Adding upstream version 1:9.18.19.upstream/1%9.18.19

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2621 files changed, 216756 insertions, 0 deletions

diff --git a/bin/tests/system/Makefile.am b/bin/tests/system/Makefile.am
new file mode 100644
index 0000000..72d464a
--- /dev/null
+++ b/bin/tests/system/Makefile.am
@@ -0,0 +1,258 @@
+include $(top_srcdir)/Makefile.top
+
+EXTRA_DIST = .
+
+# Source tarballs must not contain configure/build artifacts.
+dist-hook:
+	git clean -n -x -d | \
+	        grep -v "Makefile.in$$" | \
+	        sed -n "s|^Would remove \(.*\)|$(distdir)/\1|p" | \
+	        xargs -I{} rm -rf "{}"
+
+SUBDIRS = dyndb/driver dlzexternal/driver hooks/driver
+
+AM_CPPFLAGS +=			\
+	$(LIBISC_CFLAGS)
+
+LDADD +=			\
+	$(LIBISC_LIBS)
+
+if HAVE_PERL
+
+noinst_PROGRAMS =		\
+	feature-test		\
+	makejournal		\
+	pipelined/pipequeries	\
+	resolve			\
+	rndc/gencheck		\
+	rpz/dnsrps		\
+	tkey/keycreate		\
+	tkey/keydelete
+
+feature_test_CPPFLAGS =		\
+	$(AM_CPPFLAGS)		\
+	$(LIBDNS_CFLAGS)
+
+makejournal_CPPFLAGS =		\
+	$(AM_CPPFLAGS)		\
+	$(LIBDNS_CFLAGS)
+
+makejournal_LDADD =		\
+	$(LDADD)		\
+	$(LIBDNS_LIBS)
+
+pipelined_pipequeries_CPPFLAGS =	\
+	$(AM_CPPFLAGS)			\
+	$(LIBDNS_CFLAGS)
+
+pipelined_pipequeries_LDADD =	\
+	$(LDADD)		\
+	$(LIBDNS_LIBS)
+
+resolve_CPPFLAGS =		\
+	$(AM_CPPFLAGS)		\
+	$(LIBISC_CFLAGS)	\
+	$(LIBDNS_CFLAGS)	\
+	$(LIBIRS_CFLAGS)
+
+resolve_LDADD = $(LIBISC_LIBS) $(LIBIRS_LIBS) $(LIBDNS_LIBS)
+
+rpz_dnsrps_CPPFLAGS =		\
+	$(AM_CPPFLAGS)		\
+	$(LIBDNS_CFLAGS)
+
+rpz_dnsrps_LDADD =		\
+	$(LDADD)		\
+	$(LIBDNS_LIBS)
+
+tkey_keycreate_CPPFLAGS =	\
+	$(AM_CPPFLAGS)		\
+	$(LIBDNS_CFLAGS)
+
+tkey_keycreate_LDADD =		\
+	$(LDADD)		\
+	$(LIBDNS_LIBS)
+
+tkey_keydelete_CPPFLAGS =	\
+	$(AM_CPPFLAGS)		\
+	$(LIBDNS_CFLAGS)
+
+tkey_keydelete_LDADD =		\
+	$(LDADD)		\
+	$(LIBDNS_LIBS)
+
+TESTS =
+
+if HAVE_PERLMOD_TIME_HIRES
+TESTS += serve-stale
+endif HAVE_PERLMOD_TIME_HIRES
+
+if HAVE_PERLMOD_NET_DNS
+TESTS +=		\
+	rpzrecurse
+endif HAVE_PERLMOD_NET_DNS
+
+if HAVE_LIBNGHTTP2
+TESTS +=		\
+	doth
+endif
+
+TESTS +=			\
+	acl			\
+	additional		\
+	addzone			\
+	allow-query		\
+	auth			\
+	autosign		\
+	builtin			\
+	cacheclean		\
+	case			\
+	catz			\
+	cds			\
+	checkconf		\
+	checknames		\
+	checkzone		\
+	database		\
+	dialup			\
+	dlzexternal		\
+	dns64			\
+	dsdigest		\
+	dupsigs			\
+	dyndb			\
+	ecdsa			\
+	eddsa			\
+	ednscompliance		\
+	emptyzones		\
+	enginepkcs11		\
+	filter-aaaa		\
+	formerr			\
+	geoip2			\
+	glue			\
+	idna			\
+	include-multiplecfg	\
+	inline			\
+	integrity		\
+	hooks			\
+	host			\
+	journal			\
+	keepalive		\
+	keyfromlabel		\
+	legacy			\
+	limits			\
+	logfileconfig		\
+	masterfile		\
+	masterformat		\
+	metadata		\
+	mirror			\
+	mkeys			\
+	names			\
+	notify			\
+	nsec3			\
+	nslookup		\
+	padding			\
+	pending			\
+	redirect		\
+	rndc			\
+	rootkeysentinel		\
+	rpz			\
+	rrchecker		\
+	rrl			\
+	rrsetorder		\
+	rsabigexponent		\
+	runtime			\
+	sfcache			\
+	smartsign		\
+	sortlist		\
+	spf			\
+	staticstub		\
+	stub			\
+	synthfromdnssec		\
+	tkey			\
+	tools			\
+	transport-acl		\
+	tsig			\
+	tsiggss			\
+	ttl			\
+	unknown			\
+	verify			\
+	views			\
+	wildcard		\
+	xferquota		\
+	zonechecks
+
+if HAVE_LMDB
+TESTS += nzd2nzf
+endif # HAVE_LMDB
+
+if HAVE_PERLMOD_NET_DNS
+
+TESTS +=		\
+	fetchlimit	\
+	ixfr		\
+	nsupdate	\
+	resolver	\
+	statistics	\
+	stress		\
+	upforwd		\
+	zero
+
+if HAVE_DNSTAP
+TESTS += dnstap
+endif
+
+if HAVE_PERLMOD_FILE_FETCH
+TESTS += statschannel
+endif HAVE_PERLMOD_FILE_FETCH
+
+if HAVE_PERLMOD_DIGEST_HMAC
+TESTS += xfer
+endif HAVE_PERLMOD_DIGEST_HMAC
+
+if HAVE_PERLMOD_NET_DNS_NAMESERVER
+TESTS += reclimit
+endif HAVE_PERLMOD_NET_DNS_NAMESERVER
+
+endif HAVE_PERLMOD_NET_DNS
+
+if HAVE_PYTHON
+TESTS += kasp keymgr2kasp tcp pipelined
+
+if HAVE_PYTEST
+TESTS += checkds dispatch rpzextra shutdown timeouts
+endif
+
+if HAVE_PYMOD_DNS
+TESTS += qmin cookie
+if HAVE_PERLMOD_NET_DNS
+TESTS += digdelv dnssec forward
+if HAVE_PERLMOD_NET_DNS_NAMESERVER
+TESTS += chain
+endif HAVE_PERLMOD_NET_DNS_NAMESERVER
+endif HAVE_PERLMOD_NET_DNS
+endif HAVE_PYMOD_DNS
+
+endif HAVE_PYTHON
+
+else !HAVE_PERL
+check:
+	echo Perl is not available, no tests were ran
+	exit 1
+endif !HAVE_PERL
+
+LOG_DRIVER_V = $(LOG_DRIVER_V_@AM_V@)
+LOG_DRIVER_V_ = $(LOG_DRIVER_V_@AM_DEFAULT_V@)
+LOG_DRIVER_V_0 = --verbose no
+LOG_DRIVER_V_1 = --verbose yes
+
+LOG_DRIVER = $(srcdir)/custom-test-driver
+AM_LOG_DRIVER_FLAGS = $(LOG_DRIVER_V)
+
+LOG_COMPILER = $(builddir)/legacy.run.sh
+AM_LOG_FLAGS = -r
+
+$(TESTS): legacy.run.sh
+
+test-local: check
+
+clean-local::
+	-find $(builddir) -maxdepth 1 -type d -name "*_*" | xargs rm -rf
diff --git a/bin/tests/system/Makefile.in b/bin/tests/system/Makefile.in
new file mode 100644
index 0000000..eb62072
--- /dev/null
+++ b/bin/tests/system/Makefile.in
@@ -0,0 +1,2416 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# Hey Emacs, this is -*- makefile-automake -*- file!
+# vim: filetype=automake
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
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+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
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+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
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+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
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+@HOST_MACOS_TRUE@am__append_1 = \
+@HOST_MACOS_TRUE@	-Wl,-flat_namespace
+
+@HAVE_PERL_TRUE@noinst_PROGRAMS = feature-test$(EXEEXT) \
+@HAVE_PERL_TRUE@	makejournal$(EXEEXT) \
+@HAVE_PERL_TRUE@	pipelined/pipequeries$(EXEEXT) \
+@HAVE_PERL_TRUE@	resolve$(EXEEXT) rndc/gencheck$(EXEEXT) \
+@HAVE_PERL_TRUE@	rpz/dnsrps$(EXEEXT) tkey/keycreate$(EXEEXT) \
+@HAVE_PERL_TRUE@	tkey/keydelete$(EXEEXT)
+@HAVE_PERLMOD_TIME_HIRES_TRUE@@HAVE_PERL_TRUE@am__append_2 = serve-stale
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@am__append_3 = \
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@	rpzrecurse
+
+@HAVE_LIBNGHTTP2_TRUE@@HAVE_PERL_TRUE@am__append_4 = \
+@HAVE_LIBNGHTTP2_TRUE@@HAVE_PERL_TRUE@	doth
+
+@HAVE_LMDB_TRUE@@HAVE_PERL_TRUE@am__append_5 = nzd2nzf
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@am__append_6 = \
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@	fetchlimit	\
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@	ixfr		\
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@	nsupdate	\
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@	resolver	\
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@	statistics	\
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@	stress		\
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@	upforwd		\
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@	zero
+
+@HAVE_DNSTAP_TRUE@@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@am__append_7 = dnstap
+@HAVE_PERLMOD_FILE_FETCH_TRUE@@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@am__append_8 = statschannel
+@HAVE_PERLMOD_DIGEST_HMAC_TRUE@@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@am__append_9 = xfer
+@HAVE_PERLMOD_NET_DNS_NAMESERVER_TRUE@@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@am__append_10 = reclimit
+@HAVE_PERL_TRUE@@HAVE_PYTHON_TRUE@am__append_11 = kasp keymgr2kasp tcp pipelined
+@HAVE_PERL_TRUE@@HAVE_PYTEST_TRUE@@HAVE_PYTHON_TRUE@am__append_12 = checkds dispatch rpzextra shutdown timeouts
+@HAVE_PERL_TRUE@@HAVE_PYMOD_DNS_TRUE@@HAVE_PYTHON_TRUE@am__append_13 = qmin cookie
+@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@@HAVE_PYMOD_DNS_TRUE@@HAVE_PYTHON_TRUE@am__append_14 = digdelv dnssec forward
+@HAVE_PERLMOD_NET_DNS_NAMESERVER_TRUE@@HAVE_PERLMOD_NET_DNS_TRUE@@HAVE_PERL_TRUE@@HAVE_PYMOD_DNS_TRUE@@HAVE_PYTHON_TRUE@am__append_15 = chain
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+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/config.h
+CONFIG_CLEAN_FILES = conf.sh ifconfig.sh legacy.run.sh start.sh \
+	stop.sh
+CONFIG_CLEAN_VPATH_FILES =
+PROGRAMS = $(noinst_PROGRAMS)
+feature_test_SOURCES = feature-test.c
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+makejournal_OBJECTS = makejournal-makejournal.$(OBJEXT)
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+pipelined_pipequeries_SOURCES = pipelined/pipequeries.c
+am__dirstamp = $(am__leading_dot)dirstamp
+pipelined_pipequeries_OBJECTS =  \
+	pipelined/pipequeries-pipequeries.$(OBJEXT)
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+@HAVE_PERL_TRUE@	$(LIBDNS_LIBS)
+resolve_SOURCES = resolve.c
+resolve_OBJECTS = resolve-resolve.$(OBJEXT)
+@HAVE_PERL_TRUE@resolve_DEPENDENCIES = $(LIBISC_LIBS) $(LIBIRS_LIBS) \
+@HAVE_PERL_TRUE@	$(LIBDNS_LIBS)
+rndc_gencheck_SOURCES = rndc/gencheck.c
+rndc_gencheck_OBJECTS = rndc/gencheck.$(OBJEXT)
+rndc_gencheck_LDADD = $(LDADD)
+rndc_gencheck_DEPENDENCIES = $(LIBISC_LIBS)
+rpz_dnsrps_SOURCES = rpz/dnsrps.c
+rpz_dnsrps_OBJECTS = rpz/dnsrps-dnsrps.$(OBJEXT)
+@HAVE_PERL_TRUE@rpz_dnsrps_DEPENDENCIES = $(LDADD) $(LIBDNS_LIBS)
+tkey_keycreate_SOURCES = tkey/keycreate.c
+tkey_keycreate_OBJECTS = tkey/keycreate-keycreate.$(OBJEXT)
+@HAVE_PERL_TRUE@tkey_keycreate_DEPENDENCIES = $(LDADD) $(LIBDNS_LIBS)
+tkey_keydelete_SOURCES = tkey/keydelete.c
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+@HAVE_PERL_TRUE@tkey_keydelete_DEPENDENCIES = $(LDADD) $(LIBDNS_LIBS)
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+	rndc/$(DEPDIR)/gencheck.Po rpz/$(DEPDIR)/dnsrps-dnsrps.Po \
+	tkey/$(DEPDIR)/keycreate-keycreate.Po \
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+	resolve.c rndc/gencheck.c rpz/dnsrps.c tkey/keycreate.c \
+	tkey/keydelete.c
+DIST_SOURCES = feature-test.c makejournal.c pipelined/pipequeries.c \
+	resolve.c rndc/gencheck.c rpz/dnsrps.c tkey/keycreate.c \
+	tkey/keydelete.c
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+  $(am__tty_colors_dummy); \
+  if test "X$(AM_COLOR_TESTS)" = Xno; then \
+    am__color_tests=no; \
+  elif test "X$(AM_COLOR_TESTS)" = Xalways; then \
+    am__color_tests=yes; \
+  elif test "X$$TERM" != Xdumb && { test -t 1; } 2>/dev/null; then \
+    am__color_tests=yes; \
+  fi; \
+  if test $$am__color_tests = yes; then \
+    red=''; \
+    grn=''; \
+    lgn=''; \
+    blu=''; \
+    mgn=''; \
+    brg=''; \
+    std=''; \
+  fi; \
+}
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
+am__nobase_strip_setup = \
+  srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
+am__nobase_strip = \
+  for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||"
+am__nobase_list = $(am__nobase_strip_setup); \
+  for p in $$list; do echo "$$p $$p"; done | \
+  sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
+    if (++n[$$2] == $(am__install_max)) \
+      { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
+    END { for (dir in files) print dir, files[dir] }'
+am__base_list = \
+  sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
+  sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
+am__uninstall_files_from_dir = { \
+  test -z "$$files" \
+    || { test ! -d "$$dir" && test ! -f "$$dir" && test ! -r "$$dir"; } \
+    || { echo " ( cd '$$dir' && rm -f" $$files ")"; \
+         $(am__cd) "$$dir" && rm -f $$files; }; \
+  }
+am__recheck_rx = ^[ 	]*:recheck:[ 	]*
+am__global_test_result_rx = ^[ 	]*:global-test-result:[ 	]*
+am__copy_in_global_log_rx = ^[ 	]*:copy-in-global-log:[ 	]*
+# A command that, given a newline-separated list of test names on the
+# standard input, print the name of the tests that are to be re-run
+# upon "make recheck".
+am__list_recheck_tests = $(AWK) '{ \
+  recheck = 1; \
+  while ((rc = (getline line < ($$0 ".trs"))) != 0) \
+    { \
+      if (rc < 0) \
+        { \
+          if ((getline line2 < ($$0 ".log")) < 0) \
+	    recheck = 0; \
+          break; \
+        } \
+      else if (line ~ /$(am__recheck_rx)[nN][Oo]/) \
+        { \
+          recheck = 0; \
+          break; \
+        } \
+      else if (line ~ /$(am__recheck_rx)[yY][eE][sS]/) \
+        { \
+          break; \
+        } \
+    }; \
+  if (recheck) \
+    print $$0; \
+  close ($$0 ".trs"); \
+  close ($$0 ".log"); \
+}'
+# A command that, given a newline-separated list of test names on the
+# standard input, create the global log from their .trs and .log files.
+am__create_global_log = $(AWK) ' \
+function fatal(msg) \
+{ \
+  print "fatal: making $@: " msg | "cat >&2"; \
+  exit 1; \
+} \
+function rst_section(header) \
+{ \
+  print header; \
+  len = length(header); \
+  for (i = 1; i <= len; i = i + 1) \
+    printf "="; \
+  printf "\n\n"; \
+} \
+{ \
+  copy_in_global_log = 1; \
+  global_test_result = "RUN"; \
+  while ((rc = (getline line < ($$0 ".trs"))) != 0) \
+    { \
+      if (rc < 0) \
+         fatal("failed to read from " $$0 ".trs"); \
+      if (line ~ /$(am__global_test_result_rx)/) \
+        { \
+          sub("$(am__global_test_result_rx)", "", line); \
+          sub("[ 	]*$$", "", line); \
+          global_test_result = line; \
+        } \
+      else if (line ~ /$(am__copy_in_global_log_rx)[nN][oO]/) \
+        copy_in_global_log = 0; \
+    }; \
+  if (copy_in_global_log) \
+    { \
+      rst_section(global_test_result ": " $$0); \
+      while ((rc = (getline line < ($$0 ".log"))) != 0) \
+      { \
+        if (rc < 0) \
+          fatal("failed to read from " $$0 ".log"); \
+        print line; \
+      }; \
+      printf "\n"; \
+    }; \
+  close ($$0 ".trs"); \
+  close ($$0 ".log"); \
+}'
+# Restructured Text title.
+am__rst_title = { sed 's/.*/   &   /;h;s/./=/g;p;x;s/ *$$//;p;g' && echo; }
+# Solaris 10 'make', and several other traditional 'make' implementations,
+# pass "-e" to $(SHELL), and POSIX 2008 even requires this.  Work around it
+# by disabling -e (using the XSI extension "set +e") if it's set.
+am__sh_e_setup = case $$- in *e*) set +e;; esac
+# Default flags passed to test drivers.
+am__common_driver_flags = \
+  --color-tests "$$am__color_tests" \
+  --enable-hard-errors "$$am__enable_hard_errors" \
+  --expect-failure "$$am__expect_failure"
+# To be inserted before the command running the test.  Creates the
+# directory for the log if needed.  Stores in $dir the directory
+# containing $f, in $tst the test, in $log the log.  Executes the
+# developer- defined test setup AM_TESTS_ENVIRONMENT (if any), and
+# passes TESTS_ENVIRONMENT.  Set up options for the wrapper that
+# will run the test scripts (or their associated LOG_COMPILER, if
+# thy have one).
+am__check_pre = \
+$(am__sh_e_setup);					\
+$(am__vpath_adj_setup) $(am__vpath_adj)			\
+$(am__tty_colors);					\
+srcdir=$(srcdir); export srcdir;			\
+case "$@" in						\
+  */*) am__odir=`echo "./$@" | sed 's|/[^/]*$$||'`;;	\
+    *) am__odir=.;; 					\
+esac;							\
+test "x$$am__odir" = x"." || test -d "$$am__odir" 	\
+  || $(MKDIR_P) "$$am__odir" || exit $$?;		\
+if test -f "./$$f"; then dir=./;			\
+elif test -f "$$f"; then dir=;				\
+else dir="$(srcdir)/"; fi;				\
+tst=$$dir$$f; log='$@'; 				\
+if test -n '$(DISABLE_HARD_ERRORS)'; then		\
+  am__enable_hard_errors=no; 				\
+else							\
+  am__enable_hard_errors=yes; 				\
+fi; 							\
+case " $(XFAIL_TESTS) " in				\
+  *[\ \	]$$f[\ \	]* | *[\ \	]$$dir$$f[\ \	]*) \
+    am__expect_failure=yes;;				\
+  *)							\
+    am__expect_failure=no;;				\
+esac; 							\
+$(AM_TESTS_ENVIRONMENT) $(TESTS_ENVIRONMENT)
+# A shell command to get the names of the tests scripts with any registered
+# extension removed (i.e., equivalently, the names of the test logs, with
+# the '.log' extension removed).  The result is saved in the shell variable
+# '$bases'.  This honors runtime overriding of TESTS and TEST_LOGS.  Sadly,
+# we cannot use something simpler, involving e.g., "$(TEST_LOGS:.log=)",
+# since that might cause problem with VPATH rewrites for suffix-less tests.
+# See also 'test-harness-vpath-rewrite.sh' and 'test-trs-basic.sh'.
+am__set_TESTS_bases = \
+  bases='$(TEST_LOGS)'; \
+  bases=`for i in $$bases; do echo $$i; done | sed 's/\.log$$//'`; \
+  bases=`echo $$bases`
+AM_TESTSUITE_SUMMARY_HEADER = ' for $(PACKAGE_STRING)'
+RECHECK_LOGS = $(TEST_LOGS)
+TEST_SUITE_LOG = test-suite.log
+TEST_EXTENSIONS = @EXEEXT@ .test
+LOG_COMPILE = $(LOG_COMPILER) $(AM_LOG_FLAGS) $(LOG_FLAGS)
+am__set_b = \
+  case '$@' in \
+    */*) \
+      case '$*' in \
+        */*) b='$*';; \
+          *) b=`echo '$@' | sed 's/\.log$$//'`; \
+       esac;; \
+    *) \
+      b='$*';; \
+  esac
+am__test_logs1 = $(TESTS:=.log)
+am__test_logs2 = $(am__test_logs1:@EXEEXT@.log=.log)
+TEST_LOGS = $(am__test_logs2:.test.log=.log)
+TEST_LOG_DRIVER = $(SHELL) $(top_srcdir)/test-driver
+TEST_LOG_COMPILE = $(TEST_LOG_COMPILER) $(AM_TEST_LOG_FLAGS) \
+	$(TEST_LOG_FLAGS)
+DIST_SUBDIRS = $(SUBDIRS)
+am__DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/conf.sh.in \
+	$(srcdir)/ifconfig.sh.in $(srcdir)/legacy.run.sh.in \
+	$(srcdir)/start.sh.in $(srcdir)/stop.sh.in \
+	$(top_srcdir)/Makefile.top $(top_srcdir)/depcomp \
+	$(top_srcdir)/test-driver README
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+am__relativize = \
+  dir0=`pwd`; \
+  sed_first='s,^\([^/]*\)/.*$$,\1,'; \
+  sed_rest='s,^[^/]*/*,,'; \
+  sed_last='s,^.*/\([^/]*\)$$,\1,'; \
+  sed_butlast='s,/*[^/]*$$,,'; \
+  while test -n "$$dir1"; do \
+    first=`echo "$$dir1" | sed -e "$$sed_first"`; \
+    if test "$$first" != "."; then \
+      if test "$$first" = ".."; then \
+        dir2=`echo "$$dir0" | sed -e "$$sed_last"`/"$$dir2"; \
+        dir0=`echo "$$dir0" | sed -e "$$sed_butlast"`; \
+      else \
+        first2=`echo "$$dir2" | sed -e "$$sed_first"`; \
+        if test "$$first2" = "$$first"; then \
+          dir2=`echo "$$dir2" | sed -e "$$sed_rest"`; \
+        else \
+          dir2="../$$dir2"; \
+        fi; \
+        dir0="$$dir0"/"$$first"; \
+      fi; \
+    fi; \
+    dir1=`echo "$$dir1" | sed -e "$$sed_rest"`; \
+  done; \
+  reldir="$$dir2"
+ACLOCAL = @ACLOCAL@
+AMTAR = @AMTAR@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
+AR = @AR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+BUILD_EXEEXT = @BUILD_EXEEXT@
+BUILD_OBJEXT = @BUILD_OBJEXT@
+CC = @CC@
+CCDEPMODE = @CCDEPMODE@
+CC_FOR_BUILD = @CC_FOR_BUILD@
+CFLAGS = @CFLAGS@
+CFLAGS_FOR_BUILD = @CFLAGS_FOR_BUILD@
+CMOCKA_CFLAGS = @CMOCKA_CFLAGS@
+CMOCKA_LIBS = @CMOCKA_LIBS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CPPFLAGS_FOR_BUILD = @CPPFLAGS_FOR_BUILD@
+CPP_FOR_BUILD = @CPP_FOR_BUILD@
+CSCOPE = @CSCOPE@
+CTAGS = @CTAGS@
+CURL = @CURL@
+CYGPATH_W = @CYGPATH_W@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+DEVELOPER_MODE = @DEVELOPER_MODE@
+DLLTOOL = @DLLTOOL@
+DNSTAP_CFLAGS = @DNSTAP_CFLAGS@
+DNSTAP_LIBS = @DNSTAP_LIBS@
+DOXYGEN = @DOXYGEN@
+DSYMUTIL = @DSYMUTIL@
+DUMPBIN = @DUMPBIN@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+ETAGS = @ETAGS@
+EXEEXT = @EXEEXT@
+FGREP = @FGREP@
+FILECMD = @FILECMD@
+FSTRM_CAPTURE = @FSTRM_CAPTURE@
+FUZZ_LDFLAGS = @FUZZ_LDFLAGS@
+FUZZ_LOG_COMPILER = @FUZZ_LOG_COMPILER@
+GREP = @GREP@
+GSSAPI_CFLAGS = @GSSAPI_CFLAGS@
+GSSAPI_LIBS = @GSSAPI_LIBS@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+JEMALLOC_CFLAGS = @JEMALLOC_CFLAGS@
+JEMALLOC_LIBS = @JEMALLOC_LIBS@
+JSON_C_CFLAGS = @JSON_C_CFLAGS@
+JSON_C_LIBS = @JSON_C_LIBS@
+KRB5_CFLAGS = @KRB5_CFLAGS@
+KRB5_CONFIG = @KRB5_CONFIG@
+KRB5_LIBS = @KRB5_LIBS@
+LATEXMK = @LATEXMK@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LDFLAGS_FOR_BUILD = @LDFLAGS_FOR_BUILD@
+LIBCAP_LIBS = @LIBCAP_LIBS@
+LIBIDN2_CFLAGS = @LIBIDN2_CFLAGS@
+LIBIDN2_LIBS = @LIBIDN2_LIBS@
+LIBNGHTTP2_CFLAGS = @LIBNGHTTP2_CFLAGS@
+LIBNGHTTP2_LIBS = @LIBNGHTTP2_LIBS@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIBUV_CFLAGS = @LIBUV_CFLAGS@
+LIBUV_LIBS = @LIBUV_LIBS@
+LIBXML2_CFLAGS = @LIBXML2_CFLAGS@
+LIBXML2_LIBS = @LIBXML2_LIBS@
+LIPO = @LIPO@
+LMDB_CFLAGS = @LMDB_CFLAGS@
+LMDB_LIBS = @LMDB_LIBS@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+MANIFEST_TOOL = @MANIFEST_TOOL@
+MAXMINDDB_CFLAGS = @MAXMINDDB_CFLAGS@
+MAXMINDDB_LIBS = @MAXMINDDB_LIBS@
+MAXMINDDB_PREFIX = @MAXMINDDB_PREFIX@
+MKDIR_P = @MKDIR_P@
+NC = @NC@
+NM = @NM@
+NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OPENSSL_CFLAGS = @OPENSSL_CFLAGS@
+OPENSSL_LDFLAGS = @OPENSSL_LDFLAGS@
+OPENSSL_LIBS = @OPENSSL_LIBS@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PERL = @PERL@
+PKG_CONFIG = @PKG_CONFIG@
+PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
+PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
+PROTOC_C = @PROTOC_C@
+PTHREAD_CC = @PTHREAD_CC@
+PTHREAD_CFLAGS = @PTHREAD_CFLAGS@
+PTHREAD_CXX = @PTHREAD_CXX@
+PTHREAD_LIBS = @PTHREAD_LIBS@
+PYTEST = @PYTEST@
+PYTHON = @PYTHON@
+PYTHON_EXEC_PREFIX = @PYTHON_EXEC_PREFIX@
+PYTHON_PLATFORM = @PYTHON_PLATFORM@
+PYTHON_PREFIX = @PYTHON_PREFIX@
+PYTHON_VERSION = @PYTHON_VERSION@
+RANLIB = @RANLIB@
+READLINE_CFLAGS = @READLINE_CFLAGS@
+READLINE_LIBS = @READLINE_LIBS@
+RELEASE_DATE = @RELEASE_DATE@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+SPHINX_BUILD = @SPHINX_BUILD@
+STD_CFLAGS = @STD_CFLAGS@
+STD_CPPFLAGS = @STD_CPPFLAGS@
+STD_LDFLAGS = @STD_LDFLAGS@
+STRIP = @STRIP@
+TEST_CFLAGS = @TEST_CFLAGS@
+VERSION = @VERSION@
+XELATEX = @XELATEX@
+XSLTPROC = @XSLTPROC@
+ZLIB_CFLAGS = @ZLIB_CFLAGS@
+ZLIB_LIBS = @ZLIB_LIBS@
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+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
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+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
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+build_vendor = @build_vendor@
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+host_vendor = @host_vendor@
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+install_sh = @install_sh@
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+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+pkgpyexecdir = @pkgpyexecdir@
+pkgpythondir = @pkgpythondir@
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+target_os = @target_os@
+target_vendor = @target_vendor@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+ACLOCAL_AMFLAGS = -I $(top_srcdir)/m4
+AM_CFLAGS = \
+	$(STD_CFLAGS)
+
+AM_CPPFLAGS = $(STD_CPPFLAGS) -include $(top_builddir)/config.h \
+	-I$(srcdir)/include $(LIBISC_CFLAGS)
+AM_LDFLAGS = $(STD_LDFLAGS) $(am__append_1)
+LDADD = $(LIBISC_LIBS)
+LIBISC_CFLAGS = \
+	-I$(top_srcdir)/include				\
+	-I$(top_srcdir)/lib/isc/include			\
+	-I$(top_builddir)/lib/isc/include
+
+LIBISC_LIBS = $(top_builddir)/lib/isc/libisc.la
+LIBDNS_CFLAGS = \
+	-I$(top_srcdir)/lib/dns/include			\
+	-I$(top_builddir)/lib/dns/include
+
+LIBDNS_LIBS = \
+	$(top_builddir)/lib/dns/libdns.la
+
+LIBNS_CFLAGS = \
+	-I$(top_srcdir)/lib/ns/include
+
+LIBNS_LIBS = \
+	$(top_builddir)/lib/ns/libns.la
+
+LIBIRS_CFLAGS = \
+	-I$(top_srcdir)/lib/irs/include
+
+LIBIRS_LIBS = \
+	$(top_builddir)/lib/irs/libirs.la
+
+LIBISCCFG_CFLAGS = \
+	-I$(top_srcdir)/lib/isccfg/include
+
+LIBISCCFG_LIBS = \
+	$(top_builddir)/lib/isccfg/libisccfg.la
+
+LIBISCCC_CFLAGS = \
+	-I$(top_srcdir)/lib/isccc/include/
+
+LIBISCCC_LIBS = \
+	$(top_builddir)/lib/isccc/libisccc.la
+
+LIBBIND9_CFLAGS = \
+	-I$(top_srcdir)/lib/bind9/include
+
+LIBBIND9_LIBS = \
+	$(top_builddir)/lib/bind9/libbind9.la
+
+EXTRA_DIST = .
+SUBDIRS = dyndb/driver dlzexternal/driver hooks/driver
+@HAVE_PERL_TRUE@feature_test_CPPFLAGS = \
+@HAVE_PERL_TRUE@	$(AM_CPPFLAGS)		\
+@HAVE_PERL_TRUE@	$(LIBDNS_CFLAGS)
+
+@HAVE_PERL_TRUE@makejournal_CPPFLAGS = \
+@HAVE_PERL_TRUE@	$(AM_CPPFLAGS)		\
+@HAVE_PERL_TRUE@	$(LIBDNS_CFLAGS)
+
+@HAVE_PERL_TRUE@makejournal_LDADD = \
+@HAVE_PERL_TRUE@	$(LDADD)		\
+@HAVE_PERL_TRUE@	$(LIBDNS_LIBS)
+
+@HAVE_PERL_TRUE@pipelined_pipequeries_CPPFLAGS = \
+@HAVE_PERL_TRUE@	$(AM_CPPFLAGS)			\
+@HAVE_PERL_TRUE@	$(LIBDNS_CFLAGS)
+
+@HAVE_PERL_TRUE@pipelined_pipequeries_LDADD = \
+@HAVE_PERL_TRUE@	$(LDADD)		\
+@HAVE_PERL_TRUE@	$(LIBDNS_LIBS)
+
+@HAVE_PERL_TRUE@resolve_CPPFLAGS = \
+@HAVE_PERL_TRUE@	$(AM_CPPFLAGS)		\
+@HAVE_PERL_TRUE@	$(LIBISC_CFLAGS)	\
+@HAVE_PERL_TRUE@	$(LIBDNS_CFLAGS)	\
+@HAVE_PERL_TRUE@	$(LIBIRS_CFLAGS)
+
+@HAVE_PERL_TRUE@resolve_LDADD = $(LIBISC_LIBS) $(LIBIRS_LIBS) $(LIBDNS_LIBS)
+@HAVE_PERL_TRUE@rpz_dnsrps_CPPFLAGS = \
+@HAVE_PERL_TRUE@	$(AM_CPPFLAGS)		\
+@HAVE_PERL_TRUE@	$(LIBDNS_CFLAGS)
+
+@HAVE_PERL_TRUE@rpz_dnsrps_LDADD = \
+@HAVE_PERL_TRUE@	$(LDADD)		\
+@HAVE_PERL_TRUE@	$(LIBDNS_LIBS)
+
+@HAVE_PERL_TRUE@tkey_keycreate_CPPFLAGS = \
+@HAVE_PERL_TRUE@	$(AM_CPPFLAGS)		\
+@HAVE_PERL_TRUE@	$(LIBDNS_CFLAGS)
+
+@HAVE_PERL_TRUE@tkey_keycreate_LDADD = \
+@HAVE_PERL_TRUE@	$(LDADD)		\
+@HAVE_PERL_TRUE@	$(LIBDNS_LIBS)
+
+@HAVE_PERL_TRUE@tkey_keydelete_CPPFLAGS = \
+@HAVE_PERL_TRUE@	$(AM_CPPFLAGS)		\
+@HAVE_PERL_TRUE@	$(LIBDNS_CFLAGS)
+
+@HAVE_PERL_TRUE@tkey_keydelete_LDADD = \
+@HAVE_PERL_TRUE@	$(LDADD)		\
+@HAVE_PERL_TRUE@	$(LIBDNS_LIBS)
+
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+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+auth.log: auth
+	@p='auth'; \
+	b='auth'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+autosign.log: autosign
+	@p='autosign'; \
+	b='autosign'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+builtin.log: builtin
+	@p='builtin'; \
+	b='builtin'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+cacheclean.log: cacheclean
+	@p='cacheclean'; \
+	b='cacheclean'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+case.log: case
+	@p='case'; \
+	b='case'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+catz.log: catz
+	@p='catz'; \
+	b='catz'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+cds.log: cds
+	@p='cds'; \
+	b='cds'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+checkconf.log: checkconf
+	@p='checkconf'; \
+	b='checkconf'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+checknames.log: checknames
+	@p='checknames'; \
+	b='checknames'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+checkzone.log: checkzone
+	@p='checkzone'; \
+	b='checkzone'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+database.log: database
+	@p='database'; \
+	b='database'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+dialup.log: dialup
+	@p='dialup'; \
+	b='dialup'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+dlzexternal.log: dlzexternal
+	@p='dlzexternal'; \
+	b='dlzexternal'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+dns64.log: dns64
+	@p='dns64'; \
+	b='dns64'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+dsdigest.log: dsdigest
+	@p='dsdigest'; \
+	b='dsdigest'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+dupsigs.log: dupsigs
+	@p='dupsigs'; \
+	b='dupsigs'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+dyndb.log: dyndb
+	@p='dyndb'; \
+	b='dyndb'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+ecdsa.log: ecdsa
+	@p='ecdsa'; \
+	b='ecdsa'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+eddsa.log: eddsa
+	@p='eddsa'; \
+	b='eddsa'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+ednscompliance.log: ednscompliance
+	@p='ednscompliance'; \
+	b='ednscompliance'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+emptyzones.log: emptyzones
+	@p='emptyzones'; \
+	b='emptyzones'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+enginepkcs11.log: enginepkcs11
+	@p='enginepkcs11'; \
+	b='enginepkcs11'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+filter-aaaa.log: filter-aaaa
+	@p='filter-aaaa'; \
+	b='filter-aaaa'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+formerr.log: formerr
+	@p='formerr'; \
+	b='formerr'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+geoip2.log: geoip2
+	@p='geoip2'; \
+	b='geoip2'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+glue.log: glue
+	@p='glue'; \
+	b='glue'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+idna.log: idna
+	@p='idna'; \
+	b='idna'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+include-multiplecfg.log: include-multiplecfg
+	@p='include-multiplecfg'; \
+	b='include-multiplecfg'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+inline.log: inline
+	@p='inline'; \
+	b='inline'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+integrity.log: integrity
+	@p='integrity'; \
+	b='integrity'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+hooks.log: hooks
+	@p='hooks'; \
+	b='hooks'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+host.log: host
+	@p='host'; \
+	b='host'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+journal.log: journal
+	@p='journal'; \
+	b='journal'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+keepalive.log: keepalive
+	@p='keepalive'; \
+	b='keepalive'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+keyfromlabel.log: keyfromlabel
+	@p='keyfromlabel'; \
+	b='keyfromlabel'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+legacy.log: legacy
+	@p='legacy'; \
+	b='legacy'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+limits.log: limits
+	@p='limits'; \
+	b='limits'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+logfileconfig.log: logfileconfig
+	@p='logfileconfig'; \
+	b='logfileconfig'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+masterfile.log: masterfile
+	@p='masterfile'; \
+	b='masterfile'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+masterformat.log: masterformat
+	@p='masterformat'; \
+	b='masterformat'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+metadata.log: metadata
+	@p='metadata'; \
+	b='metadata'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mirror.log: mirror
+	@p='mirror'; \
+	b='mirror'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+mkeys.log: mkeys
+	@p='mkeys'; \
+	b='mkeys'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+names.log: names
+	@p='names'; \
+	b='names'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+notify.log: notify
+	@p='notify'; \
+	b='notify'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+nsec3.log: nsec3
+	@p='nsec3'; \
+	b='nsec3'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+nslookup.log: nslookup
+	@p='nslookup'; \
+	b='nslookup'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+padding.log: padding
+	@p='padding'; \
+	b='padding'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+pending.log: pending
+	@p='pending'; \
+	b='pending'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+redirect.log: redirect
+	@p='redirect'; \
+	b='redirect'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+rndc.log: rndc
+	@p='rndc'; \
+	b='rndc'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+rootkeysentinel.log: rootkeysentinel
+	@p='rootkeysentinel'; \
+	b='rootkeysentinel'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+rpz.log: rpz
+	@p='rpz'; \
+	b='rpz'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+rrchecker.log: rrchecker
+	@p='rrchecker'; \
+	b='rrchecker'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+rrl.log: rrl
+	@p='rrl'; \
+	b='rrl'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+rrsetorder.log: rrsetorder
+	@p='rrsetorder'; \
+	b='rrsetorder'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
+	"$$tst" $(AM_TESTS_FD_REDIRECT)
+rsabigexponent.log: rsabigexponent
+	@p='rsabigexponent'; \
+	b='rsabigexponent'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
+	$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
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+	@p='runtime'; \
+	b='runtime'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	b='smartsign'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
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+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
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+	b='spf'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
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+	b='synthfromdnssec'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
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+	b='tsiggss'; \
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+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	b='upforwd'; \
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+	--log-file $$b.log --trs-file $$b.trs \
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+	b='dnstap'; \
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+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	b='reclimit'; \
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+	--log-file $$b.log --trs-file $$b.trs \
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+	b='kasp'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	@p='keymgr2kasp'; \
+	b='keymgr2kasp'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	b='tcp'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	b='pipelined'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	@p='dispatch'; \
+	b='dispatch'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	b='rpzextra'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
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+	b='qmin'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
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+	b='cookie'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
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+	b='digdelv'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
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+	b='dnssec'; \
+	$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
+	--log-file $$b.log --trs-file $$b.trs \
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+	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
+	    ($(am__cd) $$subdir && \
+	      $(MAKE) $(AM_MAKEFLAGS) \
+	        top_distdir="$$new_top_distdir" \
+	        distdir="$$new_distdir" \
+		am__remove_distdir=: \
+		am__skip_length_check=: \
+		am__skip_mode_fix=: \
+	        distdir) \
+	      || exit 1; \
+	  fi; \
+	done
+	$(MAKE) $(AM_MAKEFLAGS) \
+	  top_distdir="$(top_distdir)" distdir="$(distdir)" \
+	  dist-hook
+check-am: all-am
+	$(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-recursive
+all-am: Makefile $(PROGRAMS)
+installdirs: installdirs-recursive
+installdirs-am:
+install: install-recursive
+install-exec: install-exec-recursive
+install-data: install-data-recursive
+uninstall: uninstall-recursive
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+	-test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
+	-test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
+	-test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+	-rm -f pipelined/$(DEPDIR)/$(am__dirstamp)
+	-rm -f pipelined/$(am__dirstamp)
+	-rm -f rndc/$(DEPDIR)/$(am__dirstamp)
+	-rm -f rndc/$(am__dirstamp)
+	-rm -f rpz/$(DEPDIR)/$(am__dirstamp)
+	-rm -f rpz/$(am__dirstamp)
+	-rm -f tkey/$(DEPDIR)/$(am__dirstamp)
+	-rm -f tkey/$(am__dirstamp)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-recursive
+
+clean-am: clean-generic clean-libtool clean-local clean-noinstPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-recursive
+		-rm -f ./$(DEPDIR)/feature_test-feature-test.Po
+	-rm -f ./$(DEPDIR)/makejournal-makejournal.Po
+	-rm -f ./$(DEPDIR)/resolve-resolve.Po
+	-rm -f pipelined/$(DEPDIR)/pipequeries-pipequeries.Po
+	-rm -f rndc/$(DEPDIR)/gencheck.Po
+	-rm -f rpz/$(DEPDIR)/dnsrps-dnsrps.Po
+	-rm -f tkey/$(DEPDIR)/keycreate-keycreate.Po
+	-rm -f tkey/$(DEPDIR)/keydelete-keydelete.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+doc: doc-recursive
+
+doc-am: doc-local
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+html-am:
+
+info: info-recursive
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-recursive
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-recursive
+
+install-html-am:
+
+install-info: install-info-recursive
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-pdf-am:
+
+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+		-rm -f ./$(DEPDIR)/feature_test-feature-test.Po
+	-rm -f ./$(DEPDIR)/makejournal-makejournal.Po
+	-rm -f ./$(DEPDIR)/resolve-resolve.Po
+	-rm -f pipelined/$(DEPDIR)/pipequeries-pipequeries.Po
+	-rm -f rndc/$(DEPDIR)/gencheck.Po
+	-rm -f rpz/$(DEPDIR)/dnsrps-dnsrps.Po
+	-rm -f tkey/$(DEPDIR)/keycreate-keycreate.Po
+	-rm -f tkey/$(DEPDIR)/keydelete-keydelete.Po
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+test: test-recursive
+
+test-am: test-local
+
+uninstall-am:
+
+unit: unit-recursive
+
+unit-am: unit-local
+
+.MAKE: $(am__recursive_targets) check-am install-am install-strip
+
+.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am \
+	am--depfiles check check-TESTS check-am clean clean-generic \
+	clean-libtool clean-local clean-noinstPROGRAMS cscopelist-am \
+	ctags ctags-am dist-hook distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir \
+	doc-am doc-local dvi dvi-am html html-am info info-am install \
+	install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	installdirs-am maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am recheck tags tags-am \
+	test-am test-local uninstall uninstall-am unit-am unit-local
+
+.PRECIOUS: Makefile
+
+
+# Source tarballs must not contain configure/build artifacts.
+dist-hook:
+	git clean -n -x -d | \
+	        grep -v "Makefile.in$$" | \
+	        sed -n "s|^Would remove \(.*\)|$(distdir)/\1|p" | \
+	        xargs -I{} rm -rf "{}"
+
+@HAVE_PERL_FALSE@check:
+@HAVE_PERL_FALSE@	echo Perl is not available, no tests were ran
+@HAVE_PERL_FALSE@	exit 1
+
+$(TESTS): legacy.run.sh
+
+test-local: check
+
+clean-local::
+	-find $(builddir) -maxdepth 1 -type d -name "*_*" | xargs rm -rf
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/bin/tests/system/README b/bin/tests/system/README
new file mode 100644
index 0000000..265a9ef
--- /dev/null
+++ b/bin/tests/system/README
@@ -0,0 +1,843 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+Introduction
+===
+This directory holds a simple test environment for running bind9 system tests
+involving multiple name servers.
+
+With the exception of "common" (which holds configuration information common to
+multiple tests), each directory holds a set of scripts and configuration
+files to test different parts of BIND.  The directories are named for the
+aspect of BIND they test, for example:
+
+  dnssec/       DNSSEC tests
+  forward/      Forwarding tests
+  glue/         Glue handling tests
+
+etc.
+
+Typically each set of tests sets up 2-5 name servers and then performs one or
+more tests against them.  Within the test subdirectory, each name server has a
+separate subdirectory containing its configuration data.  These subdirectories
+are named "nsN" or "ansN" (where N is a number between 1 and 8, e.g. ns1, ans2
+etc.)
+
+The tests are completely self-contained and do not require access to the real
+DNS.  Generally, one of the test servers (usually ns1) is set up as a root
+nameserver and is listed in the hints file of the others.
+
+
+Preparing to Run the Tests
+===
+To enable all servers to run on the same machine, they bind to separate virtual
+IP addresses on the loopback interface.  ns1 runs on 10.53.0.1, ns2 on
+10.53.0.2, etc.  Before running any tests, you must set up these addresses by
+running the command
+
+    sh ifconfig.sh up
+
+as root.  The interfaces can be removed by executing the command:
+
+    sh ifconfig.sh down
+
+... also as root.
+
+The servers use unprivileged ports (above 1024) instead of the usual port 53,
+so they can be run without root privileges once the interfaces have been set
+up.
+
+
+Note for MacOS Users
+---
+If you wish to make the interfaces survive across reboots, copy
+org.isc.bind.system and org.isc.bind.system.plist to /Library/LaunchDaemons
+then run
+
+    launchctl load /Library/LaunchDaemons/org.isc.bind.system.plist
+
+... as root.
+
+
+Running the System Tests with pytest
+===
+
+The pytest system test runner is currently in development, but it is the
+recommended way to run tests. Please report issues to QA.
+
+Running an Individual Test
+---
+
+pytest -k <test-name>
+
+Note that in comparison to the legacy test runner, some additional tests might
+be picked up when specifying just the system test directory name. To check
+which tests will be executed, you can use the `--collect-only` option. You
+might also be able to find a more specific test name to provide to ensure only
+your desired test is executed. See help for `-k` option in `pytest --help` for
+more info.
+
+It is also possible to run a single individual pytest test case. For example,
+you can use the name test_sslyze_dot to execute just the test_sslyze_dot()
+function from doth/tests_sslyze.py. The entire needed setup and teardown will
+be handled by the framework.
+
+Running All the System Tests
+---
+
+Issuing plain `pytest` command without any argument will execute all tests
+sequenatially. To execute them in parallel, ensure you have pytest-xdist
+installed and run:
+
+pytest -n <number-of-workers>
+
+
+Running the System Tests Using the Legacy Runner
+===
+
+!!! WARNING !!!
+---
+The legacy way to run system tests is currently being reworked into a pytest
+system test runner described in the previous section. The contents of this
+section might be out of date and no longer applicable. Please try and use the
+pytest runner if possible and report issues and missing features.
+
+Running an Individual Test
+---
+The tests can be run individually using the following command:
+
+    sh legacy.run.sh [flags] <test-name> [<test-arguments>]
+
+e.g.
+
+    sh legacy.run.sh [flags] notify
+
+Optional flags are:
+
+    -k              Keep servers running after the test completes.  Each test
+                    usually starts a number of nameservers, either instances
+                    of the "named" being tested, or custom servers (written in
+                    Python or Perl) that feature test-specific behavior.  The
+                    servers are automatically started before the test is run
+                    and stopped after it ends.  This flag leaves them running
+                    at the end of the test, so that additional queries can be
+                    sent by hand.  To stop the servers afterwards, use the
+                    command "sh stop.sh <test-name>".
+
+    -n              Noclean - do not remove the output files if the test
+                    completes successfully.  By default, files created by the
+                    test are deleted if it passes;  they are not deleted if the
+                    test fails.
+
+    -p <number>     Sets the range of ports used by the test.  A block of 100
+                    ports is available for each test, the number given to the
+                    "-p" switch being the number of the start of that block
+                    (e.g. "-p 7900" will mean that the test is able to use
+                    ports 7900 through 7999).  If not specified, the test will
+                    have ports 5000 to 5099 available to it.
+
+Arguments are:
+
+    test-name       Mandatory.  The name of the test, which is the name of the
+                    subdirectory in bin/tests/system holding the test files.
+
+    test-arguments  Optional arguments that are passed to each of the test's
+                    scripts.
+
+
+Running All The System Tests
+---
+To run all the system tests, enter the command:
+
+    sh runall.sh [-c] [-n] [numproc]
+
+The optional flag "-c" forces colored output (by default system test output is
+not printed in color due to legacy.run.sh being piped through "tee").
+
+The optional flag "-n" has the same effect as it does for "legacy.run.sh" - it
+causes the retention of all output files from all tests.
+
+The optional "numproc" argument specifies the maximum number of tests that can
+run in parallel.  The default is 1, which means that all of the tests run
+sequentially.  If greater than 1, up to "numproc" tests will run simultaneously,
+new tests being started as tests finish.  Each test will get a unique set of
+ports, so there is no danger of tests interfering with one another.  Parallel
+running will reduce the total time taken to run the BIND system tests, but will
+mean that the output from all the tests sent to the screen will be mixed up
+with one another.  However, the systests.output file produced at the end of the
+run (in the bin/tests/system directory) will contain the output from each test
+in sequential order.
+
+Note that it is not possible to pass arguments to tests though the "runall.sh"
+script.
+
+A run of all the system tests can also be initiated via make:
+
+    make [-j numproc] test
+
+In this case, retention of the output files after a test completes successfully
+is specified by setting the environment variable SYSTEMTEST_NO_CLEAN to 1 prior
+to running make, e.g.
+
+    SYSTEMTEST_NO_CLEAN=1 make [-j numproc] test
+
+while setting environment variable SYSTEMTEST_FORCE_COLOR to 1 forces system
+test output to be printed in color.
+
+
+Running Multiple System Test Suites Simultaneously
+---
+In some cases it may be desirable to have multiple instances of the system test
+suite running simultaneously (e.g. from different terminal windows).  To do
+this:
+
+1. Each installation must have its own directory tree.  The system tests create
+files in the test directories, so separate directory trees are required to
+avoid interference between the same test running in the different
+installations.
+
+2. For one of the test suites, the starting port number must be specified by
+setting the environment variable STARTPORT before starting the test suite.
+Each test suite comprises about 100 tests, each being allocated a set of 100
+ports.  The port ranges for each test are allocated sequentially, so each test
+suite requires about 10,000 ports to itself.  By default, the port allocation
+starts at 5,000.  So the following set of commands:
+
+    Terminal Window 1:
+        cd <installation-1>/bin/tests/system
+        sh runall.sh 4
+
+    Terminal Window 2:
+        cd <installation-2>/bin/tests/system
+        STARTPORT=20000 sh runall.sh 4
+
+... will start the test suite for installation-1 using the default base port
+of 5,000, so the test suite will use ports 5,000 through 15,000 (or there
+abouts).  The use of "STARTPORT=20000" to prefix the run of the test suite for
+installation-2 will mean the test suite uses ports 20,000 through 30,000 or so.
+
+
+Format of Test Output
+---
+All output from the system tests is in the form of lines with the following
+structure:
+
+    <letter>:<test-name>:<message> [(<number>)]
+
+e.g.
+
+    I:catz:checking that dom1.example is not served by primary (1)
+
+The meanings of the fields are as follows:
+
+<letter>
+This indicates the type of message.  This is one of:
+
+    S   Start of the test
+    A   Start of test (retained for backwards compatibility)
+    T   Start of test (retained for backwards compatibility)
+    E   End of the test
+    I   Information.  A test will typically output many of these messages
+        during its run, indicating test progress.  Note that such a message may
+        be of the form "I:testname:failed", indicating that a sub-test has
+        failed.
+    R   Result.  Each test will result in one such message, which is of the
+        form:
+
+                R:<test-name>:<result>
+
+        where <result> is one of:
+
+            PASS        The test passed
+            FAIL        The test failed
+            SKIPPED     The test was not run, usually because some
+                        prerequisites required to run the test are missing.
+
+<test-name>
+This is the name of the test from which the message emanated, which is also the
+name of the subdirectory holding the test files.
+
+<message>
+This is text output by the test during its execution.
+
+(<number>)
+If present, this will correlate with a file created by the test.  The tests
+execute commands and route the output of each command to a file.  The name of
+this file depends on the command and the test, but will usually be of the form:
+
+    <command>.out.<suffix><number>
+
+e.g. nsupdate.out.test28, dig.out.q3.  This aids diagnosis of problems by
+allowing the output that caused the problem message to be identified.
+
+
+Re-Running the Tests
+---
+If there is a requirement to re-run a test (or the entire test suite), the
+files produced by the tests should be deleted first.  Normally, these files are
+deleted if the test succeeds but are retained on error.  The legacy.run.sh
+script automatically calls a given test's clean.sh script before invoking its
+setup.sh script.
+
+Deletion of the files produced by the set of tests (e.g. after the execution
+of "runall.sh") can be carried out using the command:
+
+    sh cleanall.sh
+
+or
+
+    make testclean
+
+(Note that the Makefile has two other targets for cleaning up files: "clean"
+will delete all the files produced by the tests, as well as the object and
+executable files used by the tests.  "distclean" does all the work of "clean"
+as well as deleting configuration files produced by "configure".)
+
+
+Developer Notes
+===
+This section is intended for developers writing new tests.
+
+
+Overview
+---
+As noted above, each test is in a separate directory.  To interact with the
+test framework, the directories contain the following standard files:
+
+prereq.sh   Run at the beginning to determine whether the test can be run at
+            all; if not, we see a R:SKIPPED result.  This file is optional:
+            if not present, the test is assumed to have all its prerequisites
+            met.
+
+setup.sh    Run after prereq.sh, this sets up the preconditions for the tests.
+            Although optional, virtually all tests will require such a file to
+            set up the ports they should use for the test.
+
+tests.sh    Runs the actual tests.  This file is mandatory.
+
+clean.sh    Run at the end to clean up temporary files, but only if the test
+            was completed successfully and its running was not inhibited by the
+            "-n" switch being passed to "legacy.run.sh".  Otherwise the
+            temporary files are left in place for inspection.
+
+ns<N>       These subdirectories contain test name servers that can be queried
+	    or can interact with each other.  The value of N indicates the
+	    address the server listens on: for example, ns2 listens on
+	    10.53.0.2, and ns4 on 10.53.0.4.  All test servers use an
+	    unprivileged port, so they don't need to run as root.  These
+	    servers log at the highest debug level and the log is captured in
+	    the file "named.run".
+
+ans<N>      Like ns[X], but these are simple mock name servers implemented in
+            Perl or Python.  They are generally programmed to misbehave in ways
+            named would not so as to exercise named's ability to interoperate
+            with badly behaved name servers.
+
+
+Port Usage
+---
+In order for the tests to run in parallel, each test requires a unique set of
+ports.  These are specified by the "-p" option passed to "legacy.run.sh", which
+sets environment variables that the scripts listed above can reference.
+
+The convention used in the system tests is that the number passed is the start
+of a range of 100 ports.  The test is free to use the ports as required,
+although the first ten ports in the block are named and generally tests use the
+named ports for their intended purpose.  The names of the environment variables
+are:
+
+    PORT                     Number to be used for the query port.
+    CONTROLPORT              Number to be used as the RNDC control port.
+    EXTRAPORT1 - EXTRAPORT8  Eight port numbers that can be used as needed.
+
+Two other environment variables are defined:
+
+    LOWPORT                  The lowest port number in the range.
+    HIGHPORT                 The highest port number in the range.
+
+Since port ranges usually start on a boundary of 10, the variables are set such
+that the last digit of the port number corresponds to the number of the
+EXTRAPORTn variable.  For example, if the port range were to start at 5200, the
+port assignments would be:
+
+    PORT = 5200
+    EXTRAPORT1 = 5201
+        :
+    EXTRAPORT8 = 5208
+    CONTROLPORT = 5209
+    LOWPORT = 5200
+    HIGHPORT = 5299
+
+When running tests in parallel (i.e. giving a value of "numproc" greater than 1
+in the "make" or "runall.sh" commands listed above), it is guaranteed that each
+test will get a set of unique port numbers.
+
+
+Writing a Test
+---
+The test framework requires up to four shell scripts (listed above) as well as
+a number of nameserver instances to run.  Certain expectations are put on each
+script:
+
+
+General
+---
+1. Each of the four scripts will be invoked with the command
+
+    (cd <test-directory> ; sh <script> [<arguments>] )
+
+... so that working directory when the script starts executing is the test
+directory.
+
+2. Arguments can be only passed to the script if the test is being run as a
+one-off with "legacy.run.sh".  In this case, everything on the command line
+after the name of the test is passed to each script.  For example, the command:
+
+    sh legacy.run.sh -p 12300 mytest -D xyz
+
+... will run "mytest" with a port range of 12300 to 12399.  Each of the
+framework scripts provided by the test will be invoked using the remaining
+arguments, e.g.:
+
+   (cd mytest ; sh prereq.sh -D xyz)
+   (cd mytest ; sh setup.sh -D xyz)
+   (cd mytest ; sh tests.sh -D xyz)
+   (cd mytest ; sh clean.sh -D xyz)
+
+No arguments will be passed to the test scripts if the test is run as part of
+a run of the full test suite (e.g. the tests are started with "runall.sh").
+
+3.  Each script should start with the following lines:
+
+    . ../conf.sh
+
+"conf.sh" defines a series of environment variables together with functions
+useful for the test scripts.
+
+
+prereq.sh
+---
+As noted above, this is optional.  If present, it should check whether specific
+software needed to run the test is available and/or whether BIND has been
+configured with the appropriate options required.
+
+    * If the software required to run the test is present and the BIND
+      configure options are correct, prereq.sh should return with a status code
+      of 0.
+
+    * If the software required to run the test is not available and/or BIND
+      has not been configured with the appropriate options, prereq.sh should
+      return with a status code of 1.
+
+    * If there is some other problem (e.g. prerequisite software is available
+      but is not properly configured), a status code of 255 should be returned.
+
+
+setup.sh
+---
+This is responsible for setting up the configuration files used in the test.
+
+To cope with the varying port number, ports are not hard-coded into
+configuration files (or, for that matter, scripts that emulate nameservers).
+Instead, setup.sh is responsible for editing the configuration files to set the
+port numbers.
+
+To do this, configuration files should be supplied in the form of templates
+containing tokens identifying ports.  The tokens have the same name as the
+environment variables listed above, but are prefixed and suffixed by the "@"
+symbol.  For example, a fragment of a configuration file template might look
+like:
+
+    controls {
+        inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+    };
+
+    options {
+        query-source address 10.53.0.1;
+        notify-source 10.53.0.1;
+        transfer-source 10.53.0.1;
+        port @PORT@;
+        allow-new-zones yes;
+    };
+
+setup.sh should copy the template to the desired filename using the
+"copy_setports" shell function defined in "conf.sh", i.e.
+
+    copy_setports ns1/named.conf.in ns1/named.conf
+
+This replaces the tokens @PORT@, @CONTROLPORT@, @EXTRAPORT1@ through
+@EXTRAPORT8@ with the contents of the environment variables listed above.
+setup.sh should do this for all configuration files required when the test
+starts.
+
+("setup.sh" should also use this method for replacing the tokens in any Perl or
+Python name servers used in the test.)
+
+
+tests.sh
+---
+This is the main test file and the contents depend on the test.  The contents
+are completely up to the developer, although most test scripts have a form
+similar to the following for each sub-test:
+
+    1. n=$((n + 1))
+    2. echo_i "prime cache nodata.example ($n)"
+    3. ret=0
+    4. $DIG -p ${PORT} @10.53.0.1 nodata.example TXT > dig.out.test$n
+    5. grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+    6. grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+    7. if [ $ret != 0 ]; then echo_i "failed"; fi
+    8. status=$((status + ret))
+
+1.  Increment the test number "n" (initialized to zero at the start of the
+    script).
+
+2.  Indicate that the sub-test is about to begin.  Note that "echo_i" instead
+    of "echo" is used.  echo_i is a function defined in "conf.sh" which will
+    prefix the message with "I:<testname>:", so allowing the output from each
+    test to be identified within the output.  The test number is included in
+    the message in order to tie the sub-test with its output.
+
+3. Initialize return status.
+
+4 - 6. Carry out the sub-test.  In this case, a nameserver is queried (note
+    that the port used is given by the PORT environment variable, which was set
+    by the inclusion of the file "conf.sh" at the start of the script).  The
+    output is routed to a file whose suffix includes the test number.  The
+    response from the server is examined and, in this case, if the required
+    string is not found, an error is indicated by setting "ret" to 1.
+
+7.  If the sub-test failed, a message is printed. "echo_i" is used to print
+    the message to add the prefix "I:<test-name>:" before it is output.
+
+8.  "status", used to track how many of the sub-tests have failed, is
+    incremented accordingly.  The value of "status" determines the status
+    returned by "tests.sh", which in turn determines whether the framework
+    prints the PASS or FAIL message.
+
+Regardless of this, rules that should be followed are:
+
+a.  Use the environment variables set by conf.sh to determine the ports to use
+    for sending and receiving queries.
+
+b.  Use a counter to tag messages and to associate the messages with the output
+    files.
+
+c.  Store all output produced by queries/commands into files.  These files
+    should be named according to the command that produced them, e.g. "dig"
+    output should be stored in a file "dig.out.<suffix>", the suffix being
+    related to the value of the counter.
+
+d.  Use "echo_i" to output informational messages.
+
+e.  Retain a count of test failures and return this as the exit status from
+    the script.
+
+
+clean.sh
+---
+The inverse of "setup.sh", this is invoked by the framework to clean up the
+test directory.  It should delete all files that have been created by the test
+during its run.
+
+
+Starting Nameservers
+---
+As noted earlier, a system test will involve a number of nameservers.  These
+will be either instances of named, or special servers written in a language
+such as Perl or Python.
+
+For the former, the version of "named" being run is that in the "bin/named"
+directory in the tree holding the tests (i.e. if "make test" is being run
+immediately after "make", the version of "named" used is that just built).  The
+configuration files, zone files etc. for these servers are located in
+subdirectories of the test directory named "nsN", where N is a small integer.
+The latter are special nameservers, mostly used for generating deliberately bad
+responses, located in subdirectories named "ansN" (again, N is an integer).
+In addition to configuration files, these directories should hold the
+appropriate script files as well.
+
+Note that the "N" for a particular test forms a single number space, e.g. if
+there is an "ns2" directory, there cannot be an "ans2" directory as well.
+Ideally, the directory numbers should start at 1 and work upwards.
+
+When running a test, the servers are started using "start.sh" (which is nothing
+more than a wrapper for start.pl).  The options for "start.pl" are documented
+in the header for that file, so will not be repeated here.  In summary, when
+invoked by "legacy.run.sh", start.pl looks for directories named "nsN" or
+"ansN" in the test directory and starts the servers it finds there.
+
+
+"named" Command-Line Options
+---
+By default, start.pl starts a "named" server with the following options:
+
+    -c named.conf   Specifies the configuration file to use (so by implication,
+                    each "nsN" nameserver's configuration file must be called
+                    named.conf).
+
+    -d 99           Sets the maximum debugging level.
+
+    -D <name>       The "-D" option sets a string used to identify the
+                    nameserver in a process listing.  In this case, the string
+                    is the name of the subdirectory.
+
+    -g              Runs the server in the foreground and logs everything to
+                    stderr.
+
+    -m record
+                    Turns on these memory usage debugging flags.
+
+    -U 4            Uses four listeners.
+
+    -X named.lock   Acquires a lock on this file in the "nsN" directory, so
+                    preventing multiple instances of this named running in this
+                    directory (which could possibly interfere with the test).
+
+All output is sent to a file called "named.run" in the nameserver directory.
+
+The options used to start named can be altered.  There are three ways of doing
+this.  "start.pl" checks the methods in a specific order: if a check succeeds,
+the options are set and any other specification is ignored.  In order, these
+are:
+
+1. Specifying options to "start.sh"/"start.pl" after the name of the test
+directory, e.g.
+
+    sh start.sh reclimit ns1 -- "-c n.conf -d 43"
+
+(This is only really useful when running tests interactively.)
+
+2. Including a file called "named.args" in the "nsN" directory.  If present,
+the contents of the first non-commented, non-blank line of the file are used as
+the named command-line arguments.  The rest of the file is ignored.
+
+3. Tweaking the default command line arguments with "-T" options.  This flag is
+used to alter the behavior of BIND for testing and is not documented in the
+ARM.  The presence of certain files in the "nsN" directory adds flags to
+the default command line (the content of the files is irrelevant - it
+is only the presence that counts):
+
+    named.noaa       Appends "-T noaa" to the command line, which causes
+                     "named" to never set the AA bit in an answer.
+
+    named.dropedns   Adds "-T dropedns" to the command line, which causes
+                     "named" to recognise EDNS options in messages, but drop
+                     messages containing them.
+
+    named.maxudp1460 Adds "-T maxudp1460" to the command line, setting the
+                     maximum UDP size handled by named to 1460.
+
+    named.maxudp512  Adds "-T maxudp512" to the command line, setting the
+                     maximum UDP size handled by named to 512.
+
+    named.noedns     Appends "-T noedns" to the command line, which disables
+                     recognition of EDNS options in messages.
+
+    named.notcp      Adds "-T notcp", which disables TCP in "named".
+
+    named.soa        Appends "-T nosoa" to the command line, which disables
+                     the addition of SOA records to negative responses (or to
+                     the additional section if the response is triggered by RPZ
+                     rewriting).
+
+Starting Other Nameservers
+---
+In contrast to "named", nameservers written in Perl or Python (whose script
+file should have the name "ans.pl" or "ans.py" respectively) are started with a
+fixed command line.  In essence, the server is given the address and nothing
+else.
+
+(This is not strictly true: Python servers are provided with the number of the
+query port to use.  Altering the port used by Perl servers currently requires
+creating a template file containing the "@PORT@" token, and having "setup.sh"
+substitute the actual port being used before the test starts.)
+
+
+Stopping Nameservers
+---
+As might be expected, the test system stops nameservers with the script
+"stop.sh", which is little more than a wrapper for "stop.pl".  Like "start.pl",
+the options available are listed in the file's header and will not be repeated
+here.
+
+In summary though, the nameservers for a given test, if left running by
+specifying the "-k" flag to "legacy.run.sh" when the test is started, can be
+stopped by the command:
+
+    sh stop.sh <test-name> [server]
+
+... where if the server (e.g. "ns1", "ans3") is not specified, all servers
+associated with the test are stopped.
+
+
+Adding a Test to the System Test Suite
+---
+Once a test has been created, the following files should be edited:
+
+* conf.sh.in  The name of the test should be added to the PARALLELDIRS or
+SEQUENTIALDIRS variables as appropriate.  The former is used for tests that
+can run in parallel with other tests, the latter for tests that are unable to
+do so.
+
+* Makefile.in The name of the test should be added to one of the the PARALLEL
+or SEQUENTIAL variables.
+
+(It is likely that a future iteration of the system test suite will remove the
+need to edit multiple files to add a test.)
+
+
+Valgrind
+---
+When running system tests, named can be run under Valgrind.  The output from
+Valgrind are sent to per-process files that can be reviewed after the test has
+completed.  To enable this, set the USE_VALGRIND environment variable to
+"helgrind" to run the Helgrind tool, or any other value to run the Memcheck
+tool.  To use "helgrind" effectively, build BIND with --disable-atomic.
+
+Developer Notes for pytest runner
+===
+
+Test discovery and collection
+---
+There are two distinct types of system tests. The first is a shell script
+tests.sh containing individual test cases executed sequentially and the
+success/failure is determined by return code. The second type is a regular
+pytest file which contains test functions.
+
+Dealing with the regular pytest files doesn't require any special consideration
+as long as the naming conventions are met. Discovering the tests.sh tests is
+more complicated.
+
+The chosen solution is to add a bit of glue for each system test. For every
+tests.sh, there is an accompanying tests_sh_*.py file that contains a test
+function which utilizes a custom run_tests_sh fixture to call the tests.sh
+script. Other solutions were tried and eventually rejected. While this
+introduces a bit of extra glue, it is the most portable, compatible and least
+complex solution.
+
+Module scope
+---
+Pytest fixtures can have a scope. The "module" scope is the most important for
+our use. A module is a python file which contains test functions. Every system
+test directory may contain multiple modules (i.e. tests_*.py files)!
+
+The server setup/teardown is done for a module. Bundling test cases together
+inside a single module may save some resources. However, test cases inside a
+single module can't be executed in parallel.
+
+It is possible to execute different modules defined within a single system test
+directory in parallel. This is possible thanks to executing the tests inside a
+temporary directory and proper port assignment to ensure there won't be any
+conflicts.
+
+Test logging
+---
+Each module has a separate log which will be saved as pytest.log.txt in the
+temporary directory in which the test is executed. This log includes messages
+for this module setup/teardown as well as any logging from the tests using the
+`logger` fixture. Logging level DEBUG and above will be present in this log.
+
+In general, any log messages using INFO or above will also be printed out
+during pytest execution. In CI, the pytest output is also saved to
+pytest.out.txt in the bin/tests/system directory.
+
+Parallel execution
+---
+As mentioned in the previous section, test cases inside a single module can't
+be executed in parallel. To put it differently, all tests cases inside the same
+module must be performed by the same worker/thread. Otherwise, server
+setup/teardown fixtures won't be shared and runtime issues due to port
+collisions are likely to occur.
+
+Pytest-xdist is used for executing pytest test cases in parallel using the `-n
+N_WORKERS` option. By default, xdist will distribute any test case to any
+worker, which would lead to the issue described above. Therefore, conftest.py
+enforces equivalent of `--dist loadscope` option which ensures that test cases
+within the same (module) scope will be handled by the same worker. Parallelism
+is automatically disabled when xdist.scheduler.loadscope library is not
+available.
+
+$ pytest -n auto
+
+Test selection
+---
+It is possible to run just a single pytest test case from any module. Use
+standard pytest facility to select the desired test case(s), i.e. pass a
+sufficiently unique identifier for `-k` parameter. You can also check which
+tests will be executed by using the `--collect-only` flag to debug your `-k`
+expression.
+
+Compatibility with older pytest version
+---
+Keep in mind that the pytest runner must work with ancient versions of pytest.
+When implementing new features, it is advisable to check feature support in
+pytest and pytest-xdist in older distributions first.
+
+As a general rule, any changes to the pytest runner need to keep working on all
+platforms in CI that use the pytest runner. As of 2023-01-13, the oldest
+supported version is whatever is available in EL8.
+
+We may need to add more compat code eventually to handle breaking upstream
+changes. For example, using request.fspath attribute is already deprecatred in
+latest pytest.
+
+Maintenance Notes for legacy runner
+===
+This section is aimed at developers maintaining BIND's system test framework.
+
+Notes on Parallel Execution
+---
+Although execution of an individual test is controlled by "legacy.run.sh",
+which executes the above shell scripts (and starts the relevant servers) for
+each test, the running of all tests in the test suite is controlled by the
+Makefile. ("runall.sh" does little more than invoke "make" on the Makefile.)
+
+All system tests are capable of being run in parallel.  For this to work, each
+test needs to use a unique set of ports.  To avoid the need to define which
+tests use which ports (and so risk port clashes as further tests are added),
+the ports are assigned when the tests are run.  This is achieved by having the
+"test" target in the Makefile depend on "parallel.mk".  That file is created
+when "make check" is run, and contains a target for each test of the form:
+
+    <test-name>:
+        @$(SHELL) legacy.run.sh -p <baseport> <test-name>
+
+The <baseport> is unique and the values of <baseport> for each test are
+separated by at least 100 ports.
+
+
+Cleaning Up From Tests
+---
+When a test is run, up to three different types of files are created:
+
+1. Files generated by the test itself, e.g. output from "dig" and "rndc", are
+stored in the test directory.
+
+2. Files produced by named which may not be cleaned up if named exits
+abnormally, e.g. core files, PID files etc., are stored in the test directory.
+
+3. A file "test.output.<test-name>" containing the text written to stdout by the
+test is written to bin/tests/system/.  This file is only produced when the test
+is run as part of the entire test suite (e.g. via "runall.sh").
+
+If the test fails, all these files are retained.  But if the test succeeds,
+they are cleaned up at different times:
+
+1. Files generated by the test itself are cleaned up by the test's own
+"clean.sh", which is called from "legacy.run.sh".
+
+2. Files that may not be cleaned up if named exits abnormally can be removed
+using the "cleanall.sh" script.
+
+3. "test.output.*" files are deleted when the test suite ends.  At this point,
+the file "testsummary.sh" is called which concatenates all the "test.output.*"
+files into a single "systests.output" file before deleting them.
diff --git a/bin/tests/system/acl/clean.sh b/bin/tests/system/acl/clean.sh
new file mode 100644
index 0000000..c8d26cc
--- /dev/null
+++ b/bin/tests/system/acl/clean.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after zone transfer tests.
+#
+
+rm -f dig.out.*
+rm -f ns2/example.db ns2/tsigzone.db ns2/example.db.jnl
+rm -f */named.conf
+rm -f */named.memstats
+rm -f */named.run
+rm -f ns*/named.lock
+rm -f ns*/_default.nzf
+rm -f ns*/_default.nzd*
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
diff --git a/bin/tests/system/acl/ns2/named1.conf.in b/bin/tests/system/acl/ns2/named1.conf.in
new file mode 100644
index 0000000..c3343a3
--- /dev/null
+++ b/bin/tests/system/acl/ns2/named1.conf.in
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	ixfr-from-differences yes;
+	check-integrity no;
+	dnssec-validation no;
+};
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+key two {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "tsigzone" {
+	type primary;
+	file "tsigzone.db";
+	allow-transfer { !key one; any; };
+};
diff --git a/bin/tests/system/acl/ns2/named2.conf.in b/bin/tests/system/acl/ns2/named2.conf.in
new file mode 100644
index 0000000..ac9ac84
--- /dev/null
+++ b/bin/tests/system/acl/ns2/named2.conf.in
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	ixfr-from-differences yes;
+	check-integrity no;
+	dnssec-validation no;
+};
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+key two {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "tsigzone" {
+	type primary;
+	file "tsigzone.db";
+	/*
+	 * 0a00::/8 and 10/8 are the same bits, but different address
+	 * families.  This should *not* match IPv4 queries from 10.*.
+	 */
+	allow-transfer { 0a00::/8; !10/8; key one; };
+};
diff --git a/bin/tests/system/acl/ns2/named3.conf.in b/bin/tests/system/acl/ns2/named3.conf.in
new file mode 100644
index 0000000..efa73fa
--- /dev/null
+++ b/bin/tests/system/acl/ns2/named3.conf.in
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	ixfr-from-differences yes;
+	check-integrity no;
+	dnssec-validation no;
+};
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+key two {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+key three {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+acl reject {
+	!key one; !key two; any;
+};
+
+acl accept {
+	10.53.0.1; 10.53.0.2;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "tsigzone" {
+	type primary;
+	file "tsigzone.db";
+	allow-transfer { !reject; accept; };
+};
diff --git a/bin/tests/system/acl/ns2/named4.conf.in b/bin/tests/system/acl/ns2/named4.conf.in
new file mode 100644
index 0000000..54c0da3
--- /dev/null
+++ b/bin/tests/system/acl/ns2/named4.conf.in
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	ixfr-from-differences yes;
+	check-integrity no;
+	dnssec-validation no;
+};
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+key two {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+acl rejectkeys {
+	!key one; !key two; any;
+};
+
+acl rejectaddrs {
+	!10.53.0.1; !10.53.0.2; any;
+};
+
+acl check1 { !key one; 10.53.0.1; };
+
+acl check2 { !key two; 10.53.0.2; };
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "tsigzone" {
+	type primary;
+	file "tsigzone.db";
+	allow-transfer { !rejectkeys; !rejectaddrs; !check1; !check2; any; };
+};
diff --git a/bin/tests/system/acl/ns2/named5.conf.in b/bin/tests/system/acl/ns2/named5.conf.in
new file mode 100644
index 0000000..e5b57f0
--- /dev/null
+++ b/bin/tests/system/acl/ns2/named5.conf.in
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	ixfr-from-differences yes;
+	check-integrity no;
+	dnssec-validation no;
+	allow-query-on { 10.53.0.2; };
+	blackhole { 10.53.0.8; };
+};
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+key two {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "tsigzone" {
+	type primary;
+	file "tsigzone.db";
+	allow-transfer { !key one; any; };
+};
diff --git a/bin/tests/system/acl/ns3/example.db b/bin/tests/system/acl/ns3/example.db
new file mode 100644
index 0000000..34fe9e5
--- /dev/null
+++ b/bin/tests/system/acl/ns3/example.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
diff --git a/bin/tests/system/acl/ns3/named.conf.in b/bin/tests/system/acl/ns3/named.conf.in
new file mode 100644
index 0000000..31d3526
--- /dev/null
+++ b/bin/tests/system/acl/ns3/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	allow-new-zones yes;
+	allow-transfer { none; };
+	dnssec-validation no;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/acl/ns4/example.db b/bin/tests/system/acl/ns4/example.db
new file mode 100644
index 0000000..91c8702
--- /dev/null
+++ b/bin/tests/system/acl/ns4/example.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.4
diff --git a/bin/tests/system/acl/ns4/existing.db b/bin/tests/system/acl/ns4/existing.db
new file mode 100644
index 0000000..91c8702
--- /dev/null
+++ b/bin/tests/system/acl/ns4/existing.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.4
diff --git a/bin/tests/system/acl/ns4/named.conf.in b/bin/tests/system/acl/ns4/named.conf.in
new file mode 100644
index 0000000..9b769d1
--- /dev/null
+++ b/bin/tests/system/acl/ns4/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	allow-new-zones yes;
+	allow-transfer { none; };
+	dnssec-validation no;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+zone "existing" {
+	type primary;
+	file "existing.db";
+};
diff --git a/bin/tests/system/acl/setup.sh b/bin/tests/system/acl/setup.sh
new file mode 100644
index 0000000..7dcd872
--- /dev/null
+++ b/bin/tests/system/acl/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 2 3 >ns2/example.db
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 2 3 >ns2/tsigzone.db
+copy_setports ns2/named1.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
diff --git a/bin/tests/system/acl/tests.sh b/bin/tests/system/acl/tests.sh
new file mode 100644
index 0000000..48536da
--- /dev/null
+++ b/bin/tests/system/acl/tests.sh
@@ -0,0 +1,230 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +noadd +nosea +nostat +noquest +nocomm +nocmd -p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+status=0
+t=0
+
+echo_i "testing basic ACL processing"
+# key "one" should fail
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.1 axfr -y one:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 || { echo_i "test $t failed" ; status=1; }
+
+
+# any other key should be fine
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.1 axfr -y two:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 && { echo_i "test $t failed" ; status=1; }
+
+copy_setports ns2/named2.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+sleep 5
+
+# prefix 10/8 should fail
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.1 axfr -y one:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 || { echo_i "test $t failed" ; status=1; }
+
+# any other address should work, as long as it sends key "one"
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 127.0.0.1 axfr -y two:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 || { echo_i "test $t failed" ; status=1; }
+
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 127.0.0.1 axfr -y one:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 && { echo_i "test $t failed" ; status=1; }
+
+echo_i "testing nested ACL processing"
+# all combinations of 10.53.0.{1|2} with key {one|two}, should succeed
+copy_setports ns2/named3.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+sleep 5
+
+# should succeed
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.2 axfr -y two:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 && { echo_i "test $t failed" ; status=1; }
+
+# should succeed
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.2 axfr -y one:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 && { echo_i "test $t failed" ; status=1; }
+
+# should succeed
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.1 axfr -y two:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 && { echo_i "test $t failed" ; status=1; }
+
+# should succeed
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.1 axfr -y two:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 && { echo_i "test $t failed" ; status=1; }
+
+# but only one or the other should fail
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 127.0.0.1 axfr -y one:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 || { echo_i "test $t failed" ; status=1; }
+
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.2 axfr > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 || { echo_i "test $tt failed" ; status=1; }
+
+# and other values? right out
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 127.0.0.1 axfr -y "${DEFAULT_HMAC}:three:1234abcd8765" > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 || { echo_i "test $t failed" ; status=1; }
+
+# now we only allow 10.53.0.1 *and* key one, or 10.53.0.2 *and* key two
+copy_setports ns2/named4.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+sleep 5
+
+# should succeed
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.2 axfr -y two:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 && { echo_i "test $t failed" ; status=1; }
+
+# should succeed
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.1 axfr -y one:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 && { echo_i "test $t failed" ; status=1; }
+
+# should fail
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.2 axfr -y one:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 || { echo_i "test $t failed" ; status=1; }
+
+# should fail
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.1 axfr -y two:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 || { echo_i "test $t failed" ; status=1; }
+
+# should fail
+t=$((t + 1))
+$DIG $DIGOPTS tsigzone. \
+	@10.53.0.2 -b 10.53.0.3 axfr -y one:1234abcd8765 > dig.out.${t}
+grep "^;" dig.out.${t} > /dev/null 2>&1 || { echo_i "test $t failed" ; status=1; }
+
+echo_i "testing allow-query-on ACL processing"
+copy_setports ns2/named5.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+sleep 5
+t=$((t + 1))
+$DIG -p ${PORT} +tcp soa example. \
+	@10.53.0.2 -b 10.53.0.3 > dig.out.${t}
+grep "status: NOERROR" dig.out.${t} > /dev/null 2>&1 || { echo_i "test $t failed" ; status=1; }
+
+echo_i "testing blackhole ACL processing"
+t=$((t + 1))
+ret=0
+$DIG -p ${PORT} +tcp soa example. \
+	@10.53.0.2 -b 10.53.0.3 > dig.out.1.${t}
+grep "status: NOERROR" dig.out.1.${t} > /dev/null 2>&1 || ret=1
+$DIG -p ${PORT} +tcp soa example. \
+	@10.53.0.2 -b 10.53.0.8 > dig.out.2.${t} && ret=1
+grep "status: NOERROR" dig.out.2.${t} > /dev/null 2>&1 && ret=1
+grep "communications error" dig.out.2.${t} > /dev/null 2>&1 || ret=1
+$DIG -p ${PORT} soa example. \
+	@10.53.0.2 -b 10.53.0.3 > dig.out.3.${t}
+grep "status: NOERROR" dig.out.3.${t} > /dev/null 2>&1 || ret=1
+$DIG -p ${PORT} soa example. \
+	@10.53.0.2 -b 10.53.0.8 > dig.out.4.${t} && ret=1
+grep "status: NOERROR" dig.out.4.${t} > /dev/null 2>&1 && ret=1
+grep "timed out" dig.out.4.${t} > /dev/null 2>&1 || ret=1
+grep ";; no servers could be reached" dig.out.4.${t} > /dev/null 2>&1 || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+# AXFR tests against ns3
+
+echo_i "testing allow-transfer ACLs against ns3 (no existing zones)"
+
+echo_i "calling addzone example.com on ns3"
+$RNDCCMD 10.53.0.3 addzone 'example.com {type primary; file "example.db"; }; '
+sleep 1
+
+t=$((t + 1))
+ret=0
+echo_i "checking AXFR of example.com from ns3 with ACL allow-transfer { none; }; (${t})"
+$DIG -p ${PORT} @10.53.0.3 example.com axfr > dig.out.${t} 2>&1
+grep "Transfer failed." dig.out.${t} >/dev/null 2>&1 || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+echo_i "calling rndc reconfig"
+rndc_reconfig ns3 10.53.0.3
+
+sleep 1
+
+t=$((t + 1))
+ret=0
+echo_i "re-checking AXFR of example.com from ns3 with ACL allow-transfer { none; }; (${t})"
+$DIG -p ${PORT} @10.53.0.3 example.com axfr > dig.out.${t} 2>&1
+grep "Transfer failed." dig.out.${t} >/dev/null 2>&1 || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+# AXFR tests against ns4
+
+echo_i "testing allow-transfer ACLs against ns4 (1 pre-existing zone)"
+
+echo_i "calling addzone example.com on ns4"
+$RNDCCMD 10.53.0.4 addzone 'example.com {type primary; file "example.db"; }; '
+sleep 1
+
+t=$((t + 1))
+ret=0
+echo_i "checking AXFR of example.com from ns4 with ACL allow-transfer { none; }; (${t})"
+$DIG -p ${PORT} @10.53.0.4 example.com axfr > dig.out.${t} 2>&1
+grep "Transfer failed." dig.out.${t} >/dev/null 2>&1 || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+echo_i "calling rndc reconfig"
+rndc_reconfig ns4 10.53.0.4
+
+sleep 1
+
+t=$((t + 1))
+ret=0
+echo_i "re-checking AXFR of example.com from ns4 with ACL allow-transfer { none; }; (${t})"
+$DIG -p ${PORT} @10.53.0.4 example.com axfr > dig.out.${t} 2>&1
+grep "Transfer failed." dig.out.${t} >/dev/null 2>&1 || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/acl/tests_sh_acl.py b/bin/tests/system/acl/tests_sh_acl.py
new file mode 100644
index 0000000..2c98644
--- /dev/null
+++ b/bin/tests/system/acl/tests_sh_acl.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_acl(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/additional/clean.sh b/bin/tests/system/additional/clean.sh
new file mode 100644
index 0000000..c43c36e
--- /dev/null
+++ b/bin/tests/system/additional/clean.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after tests.
+#
+
+rm -f dig.out.*
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/additional/ns1/mx.db b/bin/tests/system/additional/ns1/mx.db
new file mode 100644
index 0000000..6305e8b
--- /dev/null
+++ b/bin/tests/system/additional/ns1/mx.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@	IN	SOA	ns1 hostmaster ( 2 8H 2H 4W 1D );
+		NS	ns1
+		MX	0 mail
+ns1		A	10.53.0.1
+mail		A	1.2.3.4
+_25._tcp.mail	TLSA	3 0 1 5B30F9602297D558EB719162C225088184FAA32CA45E1ED15DE58A21 D9FCE383
diff --git a/bin/tests/system/additional/ns1/named.args b/bin/tests/system/additional/ns1/named.args
new file mode 100644
index 0000000..45ac93a
--- /dev/null
+++ b/bin/tests/system/additional/ns1/named.args
@@ -0,0 +1,2 @@
+# this server runs named with only one worker thread
+-m record -c named.conf -d 99 -D additional-ns1 -X named.lock -g -n 1 -T maxcachesize=2097152
diff --git a/bin/tests/system/additional/ns1/named1.conf.in b/bin/tests/system/additional/ns1/named1.conf.in
new file mode 100644
index 0000000..d058d1e
--- /dev/null
+++ b/bin/tests/system/additional/ns1/named1.conf.in
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	recursion no;
+	dnssec-validation no;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	notify no;
+	minimal-responses yes;
+};
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+        type primary;
+        file "root.db";
+};
+
+zone "rt.example" {
+	type primary;
+	file "rt.db";
+};
+
+zone "naptr.example" {
+	type primary;
+	file "naptr.db";
+};
+
+zone "rt2.example" {
+	type primary;
+	file "rt2.db";
+};
+
+zone "naptr2.example" {
+	type primary;
+	file "naptr2.db";
+};
+
+zone "nid.example" {
+	type primary;
+	file "nid.db";
+};
diff --git a/bin/tests/system/additional/ns1/named2.conf.in b/bin/tests/system/additional/ns1/named2.conf.in
new file mode 100644
index 0000000..56c6d4b
--- /dev/null
+++ b/bin/tests/system/additional/ns1/named2.conf.in
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	recursion no;
+	dnssec-validation no;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	notify no;
+	minimal-responses no;
+};
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+        type primary;
+        file "root.db";
+};
+
+zone "rt.example" {
+	type primary;
+	file "rt.db";
+};
+
+zone "naptr.example" {
+	type primary;
+	file "naptr.db";
+};
+
+zone "rt2.example" {
+	type primary;
+	file "rt2.db";
+};
+
+zone "naptr2.example" {
+	type primary;
+	file "naptr2.db";
+};
+
+zone "nid.example" {
+	type primary;
+	file "nid.db";
+};
diff --git a/bin/tests/system/additional/ns1/named3.conf.in b/bin/tests/system/additional/ns1/named3.conf.in
new file mode 100644
index 0000000..ad453a3
--- /dev/null
+++ b/bin/tests/system/additional/ns1/named3.conf.in
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	recursion no;
+	dnssec-validation no;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	notify no;
+	minimal-any yes;
+	minimal-responses no-auth;
+};
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+        type primary;
+        file "root.db";
+};
+
+zone "rt.example" {
+	type primary;
+	file "rt.db";
+};
+
+zone "naptr.example" {
+	type primary;
+	file "naptr.db";
+};
+
+zone "rt2.example" {
+	type primary;
+	file "rt2.db";
+};
+
+zone "naptr2.example" {
+	type primary;
+	file "naptr2.db";
+};
+
+zone "nid.example" {
+	type primary;
+	file "nid.db";
+};
diff --git a/bin/tests/system/additional/ns1/named4.conf.in b/bin/tests/system/additional/ns1/named4.conf.in
new file mode 100644
index 0000000..69479b9
--- /dev/null
+++ b/bin/tests/system/additional/ns1/named4.conf.in
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	recursion no;
+	dnssec-validation no;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	notify no;
+	minimal-responses no-auth-recursive;
+};
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+        type primary;
+        file "root.db";
+};
+
+zone "mx.example" {
+	type primary;
+	file "mx.db";
+};
+
+zone "srv.example" {
+	type primary;
+	file "srv.db";
+};
+
+zone "rt.example" {
+	type primary;
+	file "rt.db";
+};
+
+zone "naptr.example" {
+	type primary;
+	file "naptr.db";
+};
+
+zone "rt2.example" {
+	type primary;
+	file "rt2.db";
+};
+
+zone "naptr2.example" {
+	type primary;
+	file "naptr2.db";
+};
+
+zone "nid.example" {
+	type primary;
+	file "nid.db";
+};
diff --git a/bin/tests/system/additional/ns1/naptr.db b/bin/tests/system/additional/ns1/naptr.db
new file mode 100644
index 0000000..51d3c85
--- /dev/null
+++ b/bin/tests/system/additional/ns1/naptr.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@ IN SOA ns1 hostmaster ( 2 8H 2H 4W 1D );
+    NS ns1
+ns1 A 10.53.0.1
+
+nap IN NAPTR 50 50 "S" "SIPS+D2T" "" server
+server SRV 0 0 5061 server
+server A 192.168.2.9
+server AAAA 192::9
diff --git a/bin/tests/system/additional/ns1/naptr2.db b/bin/tests/system/additional/ns1/naptr2.db
new file mode 100644
index 0000000..78ca4ad
--- /dev/null
+++ b/bin/tests/system/additional/ns1/naptr2.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@ IN SOA ns1 hostmaster ( 2 8H 2H 4W 1D );
+    NS ns1
+ns1 A 10.53.0.1
+
+nap IN NAPTR 50 50 "S" "SIPS+D2T" "" server.hang3a.zone.
+www AAAA 192::99
+www A 192.168.2.99
+www X25 100099
diff --git a/bin/tests/system/additional/ns1/nid.db b/bin/tests/system/additional/ns1/nid.db
new file mode 100644
index 0000000..f76b52e
--- /dev/null
+++ b/bin/tests/system/additional/ns1/nid.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@ IN SOA ns1 hostmaster ( 2 8H 2H 4W 1D );
+    NS ns1
+ns1 A 10.53.0.1
+
+ns1 NID 2 0:0:0:0
+ns1 L64 2 0:0:0:0
+ns1 L32 2 0.0.0.0
+nid2 NID 2 0:0:0:1
+nid2 LP 2 ns1
diff --git a/bin/tests/system/additional/ns1/root.db b/bin/tests/system/additional/ns1/root.db
new file mode 100644
index 0000000..94cfdda
--- /dev/null
+++ b/bin/tests/system/additional/ns1/root.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+. IN SOA ns2. hostmaster ( 2 8H 2H 4W 1D);
+. NS ns1.rt.example.
+. NS ns2.rt.example.
+ns1.rt.example. A 10.53.0.1
+ns2.rt.example. A 10.53.0.2
+rt.example. NS ns1.
+naptr.example. NS ns1.
+rt2.example. NS ns1.
+naptr2.example. NS ns1.
+nid.example. NS ns1.
diff --git a/bin/tests/system/additional/ns1/rt.db b/bin/tests/system/additional/ns1/rt.db
new file mode 100644
index 0000000..c858f0d
--- /dev/null
+++ b/bin/tests/system/additional/ns1/rt.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@ IN SOA ns1 hostmaster ( 2 8H 2H 4W 1D );
+    NS ns1
+    NS ns1.rt2.example.
+ns1 A 10.53.0.1
+
+rt RT 2 www
+www AAAA 192::99
+www A 192.168.2.99
+www X25 100099
diff --git a/bin/tests/system/additional/ns1/rt2.db b/bin/tests/system/additional/ns1/rt2.db
new file mode 100644
index 0000000..b61a198
--- /dev/null
+++ b/bin/tests/system/additional/ns1/rt2.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@ IN SOA ns1 hostmaster ( 2 8H 2H 4W 1D );
+    NS ns1
+ns1 A 10.53.0.1
+
+rt RT 2 www.hang3b.zone.
+server SRV 0 0 5061 server
+server A 192.168.2.9
+server AAAA 192::9
diff --git a/bin/tests/system/additional/ns1/srv.db b/bin/tests/system/additional/ns1/srv.db
new file mode 100644
index 0000000..0aee21a
--- /dev/null
+++ b/bin/tests/system/additional/ns1/srv.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@	IN	SOA	ns1 hostmaster ( 2 8H 2H 4W 1D );
+		NS	ns1
+ns1		A	10.53.0.1
+_xmpp-client._tcp SRV     1 0 5222 server
+server		A	1.2.3.4
+_5222._tcp.server	TLSA	3 0 1 5B30F9602297D558EB719162C225088184FAA32CA45E1ED15DE58A21 D9FCE383
diff --git a/bin/tests/system/additional/ns2/named.conf.in b/bin/tests/system/additional/ns2/named.conf.in
new file mode 100644
index 0000000..ed43ca6
--- /dev/null
+++ b/bin/tests/system/additional/ns2/named.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	recursion no;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	notify no;
+	minimal-responses yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/additional/ns2/root.db b/bin/tests/system/additional/ns2/root.db
new file mode 100644
index 0000000..728bdde
--- /dev/null
+++ b/bin/tests/system/additional/ns2/root.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+. IN SOA ns2. hostmaster ( 2 8H 2H 4W 1D);
+. NS ns2.
+ns1. A 10.53.0.1
+ns2. A 10.53.0.2
+rt.example. NS ns1.
+naptr.example. NS ns1.
+rt2.example. NS ns1.
+naptr2.example. NS ns1.
+nid.example. NS ns1.
+
diff --git a/bin/tests/system/additional/ns3/ex.db b/bin/tests/system/additional/ns3/ex.db
new file mode 100644
index 0000000..c893a84
--- /dev/null
+++ b/bin/tests/system/additional/ns3/ex.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@ IN SOA ns1 hostmaster ( 2 8H 2H 4W 1D );
+    NS ns1
+    NS ns1.ex2.
+ns1 A 10.53.0.1
diff --git a/bin/tests/system/additional/ns3/ex2.db b/bin/tests/system/additional/ns3/ex2.db
new file mode 100644
index 0000000..f9039cf
--- /dev/null
+++ b/bin/tests/system/additional/ns3/ex2.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@ IN SOA ns1 hostmaster ( 2 8H 2H 4W 1D );
+    NS ns1
+ns1 A 10.53.0.1
diff --git a/bin/tests/system/additional/ns3/named.conf.in b/bin/tests/system/additional/ns3/named.conf.in
new file mode 100644
index 0000000..2bd01c9
--- /dev/null
+++ b/bin/tests/system/additional/ns3/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	minimal-responses no;
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
+
+zone "ex" {
+	type primary;
+	file "ex.db";
+};
+
+zone "ex2" {
+	type primary;
+	file "ex2.db";
+};
diff --git a/bin/tests/system/additional/ns3/root.hint b/bin/tests/system/additional/ns3/root.hint
new file mode 100644
index 0000000..ef6ee6f
--- /dev/null
+++ b/bin/tests/system/additional/ns3/root.hint
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+. NS ns2.
+ns2. A 10.53.0.2
diff --git a/bin/tests/system/additional/setup.sh b/bin/tests/system/additional/setup.sh
new file mode 100644
index 0000000..2cbc08d
--- /dev/null
+++ b/bin/tests/system/additional/setup.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+copy_setports ns1/named1.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
diff --git a/bin/tests/system/additional/tests.sh b/bin/tests/system/additional/tests.sh
new file mode 100644
index 0000000..a50004c
--- /dev/null
+++ b/bin/tests/system/additional/tests.sh
@@ -0,0 +1,379 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+status=0
+n=0
+
+dotests() {
+    n=$((n + 1))
+    echo_i "test with RT, single zone (+rec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +rec -t RT rt.rt.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with RT, two zones (+rec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +rec -t RT rt.rt2.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with NAPTR, single zone (+rec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +rec -t NAPTR nap.naptr.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with NAPTR, two zones (+rec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +rec -t NAPTR nap.hang3b.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with LP (+rec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +rec -t LP nid2.nid.example @10.53.0.1 > dig.out.$n || ret=1
+    case $minimal in
+    no)
+      grep -w "NS" dig.out.$n > /dev/null || ret=1
+      grep -w "L64" dig.out.$n > /dev/null || ret=1
+      grep -w "L32" dig.out.$n > /dev/null || ret=1
+      ;;
+    yes)
+      grep -w "NS" dig.out.$n > /dev/null && ret=1
+      grep -w "L64" dig.out.$n > /dev/null && ret=1
+      grep -w "L32" dig.out.$n > /dev/null && ret=1
+      ;;
+    no-auth)
+      grep -w "NS" dig.out.$n > /dev/null && ret=1
+      grep -w "L64" dig.out.$n > /dev/null || ret=1
+      grep -w "L32" dig.out.$n > /dev/null || ret=1
+      ;;
+    no-auth-recursive)
+      grep -w "NS" dig.out.$n > /dev/null && ret=1
+      grep -w "L64" dig.out.$n > /dev/null || ret=1
+      grep -w "L32" dig.out.$n > /dev/null || ret=1
+      ;;
+    esac
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with NID (+rec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +rec -t NID ns1.nid.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $minimal = no ] ; then
+      # change && to || when we support NID additional processing
+      grep -w "L64" dig.out.$n > /dev/null && ret=1
+      grep -w "L32" dig.out.$n > /dev/null && ret=1
+    else
+      grep -w "L64" dig.out.$n > /dev/null && ret=1
+      grep -w "L32" dig.out.$n > /dev/null && ret=1
+    fi
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with NID + LP (+rec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +rec -t NID nid2.nid.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $minimal = no ] ; then
+      # change && to || when we support NID additional processing
+      grep -w "LP" dig.out.$n > /dev/null && ret=1
+      grep -w "L64" dig.out.$n > /dev/null && ret=1
+      grep -w "L32" dig.out.$n > /dev/null && ret=1
+    else
+      grep -w "LP" dig.out.$n > /dev/null && ret=1
+      grep -w "L64" dig.out.$n > /dev/null && ret=1
+      grep -w "L32" dig.out.$n > /dev/null && ret=1
+    fi
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with RT, single zone (+norec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +norec -t RT rt.rt.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with RT, two zones (+norec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +norec -t RT rt.rt2.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with NAPTR, single zone (+norec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +norec -t NAPTR nap.naptr.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with NAPTR, two zones (+norec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +norec -t NAPTR nap.hang3b.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with LP (+norec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +norec -t LP nid2.nid.example @10.53.0.1 > dig.out.$n || ret=1
+    case $minimal in
+    no)
+      grep -w "NS" dig.out.$n > /dev/null || ret=1
+      grep -w "L64" dig.out.$n > /dev/null || ret=1
+      grep -w "L32" dig.out.$n > /dev/null || ret=1
+      ;;
+    yes)
+      grep -w "NS" dig.out.$n > /dev/null && ret=1
+      grep -w "L64" dig.out.$n > /dev/null && ret=1
+      grep -w "L32" dig.out.$n > /dev/null && ret=1
+      ;;
+    no-auth)
+      grep -w "NS" dig.out.$n > /dev/null && ret=1
+      grep -w "L64" dig.out.$n > /dev/null || ret=1
+      grep -w "L32" dig.out.$n > /dev/null || ret=1
+      ;;
+    no-auth-recursive)
+      grep -w "NS" dig.out.$n > /dev/null || ret=1
+      grep -w "L64" dig.out.$n > /dev/null || ret=1
+      grep -w "L32" dig.out.$n > /dev/null || ret=1
+      ;;
+    esac
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with NID (+norec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +norec -t NID ns1.nid.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $minimal = no ] ; then
+      # change && to || when we support NID additional processing
+      grep -w "L64" dig.out.$n > /dev/null && ret=1
+      grep -w "L32" dig.out.$n > /dev/null && ret=1
+    else
+      grep -w "L64" dig.out.$n > /dev/null && ret=1
+      grep -w "L32" dig.out.$n > /dev/null && ret=1
+    fi
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with NID + LP (+norec) ($n)"
+    ret=0
+    $DIG $DIGOPTS +norec -t NID nid2.nid.example @10.53.0.1 > dig.out.$n || ret=1
+    if [ $minimal = no ] ; then
+      # change && to || when we support NID additional processing
+      grep -w "LP" dig.out.$n > /dev/null && ret=1
+      grep -w "L64" dig.out.$n > /dev/null && ret=1
+      grep -w "L32" dig.out.$n > /dev/null && ret=1
+    else
+      grep -w "LP" dig.out.$n > /dev/null && ret=1
+      grep -w "L64" dig.out.$n > /dev/null && ret=1
+      grep -w "L32" dig.out.$n > /dev/null && ret=1
+    fi
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with NS, root zone ($n)"
+    ret=0
+    $DIG $DIGOPTS -t NS . @10.53.0.1 > dig.out.$n || ret=1
+    # Always expect glue for root priming queries, regardless $minimal
+    grep 'ADDITIONAL: 3' dig.out.$n > /dev/null || ret=1
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+
+    n=$((n + 1))
+    echo_i "test with NS, non-root zone ($n)"
+    ret=0
+    $DIG $DIGOPTS -t NS rt.example @10.53.0.1 > dig.out.$n || ret=1
+    case $minimal in
+    yes)
+      grep 'ADDITIONAL: 2' dig.out.$n > /dev/null || ret=1
+      ;;
+    no)
+      grep 'ADDITIONAL: 2' dig.out.$n > /dev/null || ret=1
+      ;;
+    no-auth)
+      grep 'ADDITIONAL: 2' dig.out.$n > /dev/null || ret=1
+      ;;
+    no-auth-recursive)
+      grep 'ADDITIONAL: 2' dig.out.$n > /dev/null || ret=1
+      ;;
+    esac
+    if [ $ret -eq 1 ] ; then
+            echo_i "failed"; status=$((status+1))
+    fi
+}
+
+echo_i "testing with 'minimal-responses yes;'"
+minimal=yes
+dotests
+
+echo_i "reconfiguring server: minimal-responses no"
+copy_setports ns1/named2.conf.in ns1/named.conf
+rndc_reconfig ns1 10.53.0.1
+
+echo_i "testing with 'minimal-responses no;'"
+minimal=no
+dotests
+
+n=$((n + 1))
+echo_i "testing with 'minimal-any no;' ($n)"
+ret=0
+$DIG $DIGOPTS -t ANY www.rt.example @10.53.0.1 > dig.out.$n || ret=1
+grep "ANSWER: 3, AUTHORITY: 2, ADDITIONAL: 2" dig.out.$n > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=$((status+1))
+fi
+
+echo_i "reconfiguring server: minimal-any yes"
+copy_setports ns1/named3.conf.in ns1/named.conf
+rndc_reconfig ns1 10.53.0.1
+
+n=$((n + 1))
+echo_i "testing with 'minimal-any yes;' over UDP ($n)"
+ret=0
+$DIG $DIGOPTS -t ANY +notcp www.rt.example @10.53.0.1 > dig.out.$n || ret=1
+grep "ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1" dig.out.$n > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=$((status+1))
+fi
+n=$((n + 1))
+
+echo_i "testing with 'minimal-any yes;' over TCP ($n)"
+ret=0
+$DIG $DIGOPTS -t ANY +tcp www.rt.example @10.53.0.1 > dig.out.$n || ret=1
+grep "ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1" dig.out.$n > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=$((status+1))
+fi
+
+n=$((n + 1))
+echo_i "testing with 'minimal-any yes;' over UDP ($n)"
+ret=0
+$DIG $DIGOPTS -t ANY +notcp www.rt.example @10.53.0.1 > dig.out.$n || ret=1
+grep "ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1" dig.out.$n > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=$((status+1))
+fi
+
+echo_i "testing with 'minimal-responses no-auth;'"
+minimal=no-auth
+dotests
+
+echo_i "reconfiguring server: minimal-responses no-auth-recursive"
+copy_setports ns1/named4.conf.in ns1/named.conf
+rndc_reconfig ns1 10.53.0.1
+
+echo_i "testing with 'minimal-responses no-auth-recursive;'"
+minimal=no-auth-recursive
+dotests
+
+n=$((n + 1))
+echo_i "testing returning TLSA records with MX query ($n)"
+ret=0
+$DIG $DIGOPTS -t mx mx.example @10.53.0.1 > dig.out.$n || ret=1
+grep "mx\.example\..*MX.0 mail\.mx\.example" dig.out.$n > /dev/null || ret=1
+grep "mail\.mx\.example\..*A.1\.2\.3\.4" dig.out.$n > /dev/null || ret=1
+grep "_25\._tcp\.mail\.mx\.example\..*TLSA.3 0 1 5B30F9602297D558EB719162C225088184FAA32CA45E1ED15DE58A21 D9FCE383" dig.out.$n > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=$((status+1))
+fi
+
+n=$((n + 1))
+echo_i "testing returning TLSA records with SRV query ($n)"
+ret=0
+$DIG $DIGOPTS -t srv _xmpp-client._tcp.srv.example @10.53.0.1 > dig.out.$n || ret=1
+grep "_xmpp-client\._tcp\.srv\.example\..*SRV.1 0 5222 server\.srv\.example" dig.out.$n > /dev/null || ret=1
+grep "server\.srv\.example\..*A.1\.2\.3\.4" dig.out.$n > /dev/null || ret=1
+grep "_5222\._tcp\.server\.srv\.example\..*TLSA.3 0 1 5B30F9602297D558EB719162C225088184FAA32CA45E1ED15DE58A21 D9FCE383" dig.out.$n > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=$((status+1))
+fi
+
+echo_i "reconfiguring server: minimal-responses no"
+copy_setports ns1/named2.conf.in ns1/named.conf
+rndc_reconfig ns1 10.53.0.1
+
+n=$((n + 1))
+echo_i "testing NS handling in ANY responses (authoritative) ($n)"
+ret=0
+$DIG $DIGOPTS -t ANY rt.example @10.53.0.1 > dig.out.$n || ret=1
+grep "AUTHORITY: 0" dig.out.$n  > /dev/null || ret=1
+grep "NS[ 	]*ns" dig.out.$n  > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=$((status+1))
+fi
+
+n=$((n + 1))
+echo_i "testing NS handling in ANY responses (recursive) ($n)"
+ret=0
+$DIG $DIGOPTS -t ANY rt.example @10.53.0.3 > dig.out.$n || ret=1
+grep "AUTHORITY: 0" dig.out.$n  > /dev/null || ret=1
+grep "NS[ 	]*ns" dig.out.$n  > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=$((status+1))
+fi
+
+n=$((n + 1))
+echo_i "testing out-of-zone additional data from auth zones (authoritative) ($n)"
+ret=0
+$DIG $DIGOPTS -t NS rt.example @10.53.0.1 > dig.out.$n || ret=1
+grep "ADDITIONAL: 2" dig.out.$n  > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=$((status+1))
+fi
+
+n=$((n + 1))
+echo_i "testing out-of-zone additional data from auth zones (recursive) ($n)"
+ret=0
+$DIG $DIGOPTS -t NS ex @10.53.0.3 > dig.out.$n || ret=1
+grep "ADDITIONAL: 3" dig.out.$n  > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=$((status+1))
+fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/additional/tests_sh_additional.py b/bin/tests/system/additional/tests_sh_additional.py
new file mode 100644
index 0000000..cdc38f4
--- /dev/null
+++ b/bin/tests/system/additional/tests_sh_additional.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_additional(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/addzone/clean.sh b/bin/tests/system/addzone/clean.sh
new file mode 100644
index 0000000..5e94b5c
--- /dev/null
+++ b/bin/tests/system/addzone/clean.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ./dig.out.*
+rm -f ./rndc.out*
+rm -f ./showzone.out*
+rm -f ./zonestatus.out*
+rm -f ./*/named.conf
+rm -f ./*/named.memstats
+rm -f ./ns1/*.nzf ./ns1/*.nzf~
+rm -f ./ns1/*.nzd ./ns1/*.nzd-lock
+rm -f ./ns2/*.nzf ./ns2/*.nzf~
+rm -f ./ns2/*.nzd ./ns2/*.nzd-lock
+rm -f ./ns3/*.nzf ./ns3/*.nzf~
+rm -f ./ns3/*.nzd ./ns3/*.nzd-lock
+rm -f ./ns2/core*
+rm -f ./ns2/inline.db.jbk
+rm -f ./ns2/inline.db.signed
+rm -f ./ns2/inlinesec.bk*
+rm -rf ./ns2/new-zones
+rm -f ./ns*/named.lock
+rm -f ./ns*/named.run ./ns*/named.run.prev
+rm -f ./ns2/nzf-*
+rm -f ./ns3/named.conf
+rm -f ./ns3/*.nzf ./ns3/*.nzf~
+rm -f ./ns3/*.nzd ns3/*.nzd-lock
+rm -f ./ns3/inlinesec.db
+rm -f ./ns1/redirect.db
+rm -f ./ns2/redirect.db
+rm -f ./ns2/redirect.bk
+rm -f ./ns3/redirect.db
+rm -f ./ns*/managed-keys.bind* ns*/*.mkeys*
+rm -f ./nzd2nzf.out.*
+rm -f ./wait_for_message.*
diff --git a/bin/tests/system/addzone/ns1/inlinesec.db b/bin/tests/system/addzone/ns1/inlinesec.db
new file mode 100644
index 0000000..eb9d042
--- /dev/null
+++ b/bin/tests/system/addzone/ns1/inlinesec.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN inlinesec.example.
+$TTL 300	; 5 minutes
+@                       IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+			MX	10 mail
+
+a			A	10.0.0.1
+mail			A	10.0.0.2
diff --git a/bin/tests/system/addzone/ns1/named.conf.in b/bin/tests/system/addzone/ns1/named.conf.in
new file mode 100644
index 0000000..9015e1b
--- /dev/null
+++ b/bin/tests/system/addzone/ns1/named.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	allow-query { any; };
+	allow-new-zones yes;
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "inlinesec.example" {
+	type primary;
+	file "inlinesec.db";
+};
+
+zone "." {
+	type redirect;
+	file "redirect.db";
+};
diff --git a/bin/tests/system/addzone/ns1/redirect.db.1 b/bin/tests/system/addzone/ns1/redirect.db.1
new file mode 100644
index 0000000..5dcdd1b
--- /dev/null
+++ b/bin/tests/system/addzone/ns1/redirect.db.1
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	0	SOA	. . 0 0 0 0 0
+@	0	NS	.
diff --git a/bin/tests/system/addzone/ns1/redirect.db.2 b/bin/tests/system/addzone/ns1/redirect.db.2
new file mode 100644
index 0000000..4dcbdbc
--- /dev/null
+++ b/bin/tests/system/addzone/ns1/redirect.db.2
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	0	SOA	. . 1 0 0 0 0
+@	0	NS	.
diff --git a/bin/tests/system/addzone/ns2/added.db b/bin/tests/system/addzone/ns2/added.db
new file mode 100644
index 0000000..286e717
--- /dev/null
+++ b/bin/tests/system/addzone/ns2/added.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;$ORIGIN added.example.
+$TTL 300	; 5 minutes
+@                       IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+			MX	10 mail
+
+a			A	10.0.0.1
+mail			A	10.0.0.2
diff --git a/bin/tests/system/addzone/ns2/default.nzf.in b/bin/tests/system/addzone/ns2/default.nzf.in
new file mode 100644
index 0000000..d9740f5
--- /dev/null
+++ b/bin/tests/system/addzone/ns2/default.nzf.in
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone previous.example { type primary; file "previous.db"; };
diff --git a/bin/tests/system/addzone/ns2/hints.db b/bin/tests/system/addzone/ns2/hints.db
new file mode 100644
index 0000000..e0f186c
--- /dev/null
+++ b/bin/tests/system/addzone/ns2/hints.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.1
diff --git a/bin/tests/system/addzone/ns2/inline.db b/bin/tests/system/addzone/ns2/inline.db
new file mode 100644
index 0000000..c968104
--- /dev/null
+++ b/bin/tests/system/addzone/ns2/inline.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN inline.example.
+$TTL 300	; 5 minutes
+@                       IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+			MX	10 mail
+
+a			A	10.0.0.1
+mail			A	10.0.0.2
diff --git a/bin/tests/system/addzone/ns2/named1.conf.in b/bin/tests/system/addzone/ns2/named1.conf.in
new file mode 100644
index 0000000..23be60e
--- /dev/null
+++ b/bin/tests/system/addzone/ns2/named1.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	allow-query { any; };
+	recursion no;
+	allow-new-zones yes;
+	dnssec-validation no;
+};
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "normal.db";
+};
+
+zone "finaldot.example." {
+	type primary;
+	file "normal.db";
+};
diff --git a/bin/tests/system/addzone/ns2/named2.conf.in b/bin/tests/system/addzone/ns2/named2.conf.in
new file mode 100644
index 0000000..8b0f23d
--- /dev/null
+++ b/bin/tests/system/addzone/ns2/named2.conf.in
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+view internal {
+	match-clients { 10.53.0.2; };
+	allow-new-zones no;
+	recursion yes;
+
+	response-policy { zone "policy"; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "policy" {
+		type primary;
+		file "normal.db";
+	};
+};
+
+view external {
+	match-clients { any; };
+	allow-new-zones yes;
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+};
+
+# This view is only here to test that configuration context is cleaned
+# up correctly when using multiple named ACLs (regression test for RT #22739)
+acl match { none; };
+acl nobody { none; };
+view extra {
+	match-clients { match; };
+	allow-new-zones yes;
+	allow-transfer { nobody; };
+	allow-query { nobody; };
+	allow-recursion { nobody; };
+};
diff --git a/bin/tests/system/addzone/ns2/named3.conf.in b/bin/tests/system/addzone/ns2/named3.conf.in
new file mode 100644
index 0000000..7078ce9
--- /dev/null
+++ b/bin/tests/system/addzone/ns2/named3.conf.in
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; 10.53.0.4; 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion no;
+	new-zones-directory "new-zones";
+	dnssec-validation no;
+};
+
+view internal {
+	match-clients { 10.53.0.2; };
+	allow-new-zones no;
+	recursion yes;
+
+	response-policy { zone "policy"; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "policy" {
+		type primary;
+		file "normal.db";
+	};
+};
+
+view directory {
+	match-clients { 10.53.0.5; };
+	allow-new-zones yes;
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+};
+
+view external {
+	match-clients { any; };
+	allow-new-zones yes;
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+};
+
+# This view is only here to test that configuration context is cleaned
+# up correctly when using multiple named ACLs (regression test for RT #22739)
+acl match { none; };
+acl nobody { none; };
+view extra {
+	match-clients { match; };
+	allow-new-zones yes;
+	allow-transfer { nobody; };
+	allow-query { nobody; };
+	allow-recursion { nobody; };
+};
diff --git a/bin/tests/system/addzone/ns2/normal.db b/bin/tests/system/addzone/ns2/normal.db
new file mode 100644
index 0000000..fa05638
--- /dev/null
+++ b/bin/tests/system/addzone/ns2/normal.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN normal.example.
+$TTL 300	; 5 minutes
+@                       IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+			MX	10 mail
+
+a			A	10.0.0.1
+mail			A	10.0.0.2
diff --git a/bin/tests/system/addzone/ns2/previous.db b/bin/tests/system/addzone/ns2/previous.db
new file mode 100644
index 0000000..6d2e495
--- /dev/null
+++ b/bin/tests/system/addzone/ns2/previous.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN previous.example.
+$TTL 300	; 5 minutes
+@                       IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+			MX	10 mail
+
+a			A	10.0.0.1
+mail			A	10.0.0.2
diff --git a/bin/tests/system/addzone/ns2/redirect.db.1 b/bin/tests/system/addzone/ns2/redirect.db.1
new file mode 100644
index 0000000..5dcdd1b
--- /dev/null
+++ b/bin/tests/system/addzone/ns2/redirect.db.1
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	0	SOA	. . 0 0 0 0 0
+@	0	NS	.
diff --git a/bin/tests/system/addzone/ns2/redirect.db.2 b/bin/tests/system/addzone/ns2/redirect.db.2
new file mode 100644
index 0000000..4dcbdbc
--- /dev/null
+++ b/bin/tests/system/addzone/ns2/redirect.db.2
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	0	SOA	. . 1 0 0 0 0
+@	0	NS	.
diff --git a/bin/tests/system/addzone/ns3/e.db b/bin/tests/system/addzone/ns3/e.db
new file mode 100644
index 0000000..7f74f0a
--- /dev/null
+++ b/bin/tests/system/addzone/ns3/e.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	SOA	ns3 hostmaster 0 0 0 0 0
+@	NS	ns3
+ns3	A	10.53.0.3
diff --git a/bin/tests/system/addzone/ns3/example.db b/bin/tests/system/addzone/ns3/example.db
new file mode 100644
index 0000000..2bf4f8d
--- /dev/null
+++ b/bin/tests/system/addzone/ns3/example.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ IN SOA localhost. localhost.localhost. 1 10800 3600 605800 86400
+@ IN NS localhost.
diff --git a/bin/tests/system/addzone/ns3/named1.conf.in b/bin/tests/system/addzone/ns3/named1.conf.in
new file mode 100644
index 0000000..6c512a6
--- /dev/null
+++ b/bin/tests/system/addzone/ns3/named1.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	allow-query { any; };
+	recursion no;
+	allow-new-zones yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "redirect.db";
+};
+
+primaries "test" {
+	192.5.5.241;
+};
diff --git a/bin/tests/system/addzone/ns3/named2.conf.in b/bin/tests/system/addzone/ns3/named2.conf.in
new file mode 100644
index 0000000..6ca25f1
--- /dev/null
+++ b/bin/tests/system/addzone/ns3/named2.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	allow-query { any; };
+	recursion no;
+	allow-new-zones yes;
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/addzone/ns3/redirect.db.1 b/bin/tests/system/addzone/ns3/redirect.db.1
new file mode 100644
index 0000000..60a2622
--- /dev/null
+++ b/bin/tests/system/addzone/ns3/redirect.db.1
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	0	SOA	. . 0 0 0 0 0
+@	0	NS	.
+@	0	A	127.0.0.1
diff --git a/bin/tests/system/addzone/ns3/redirect.db.2 b/bin/tests/system/addzone/ns3/redirect.db.2
new file mode 100644
index 0000000..3804fef
--- /dev/null
+++ b/bin/tests/system/addzone/ns3/redirect.db.2
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	0	SOA	. . 1 0 0 0 0
+@	0	NS	.
+@	0	A	127.0.0.1
diff --git a/bin/tests/system/addzone/setup.sh b/bin/tests/system/addzone/setup.sh
new file mode 100644
index 0000000..b2227c1
--- /dev/null
+++ b/bin/tests/system/addzone/setup.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+cp -f ns1/redirect.db.1 ns1/redirect.db
+cp -f ns2/redirect.db.1 ns2/redirect.db
+cp -f ns3/redirect.db.1 ns3/redirect.db
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named1.conf.in ns2/named.conf
+copy_setports ns3/named1.conf.in ns3/named.conf
+
+cp -f ns2/default.nzf.in ns2/3bf305731dd26307.nzf
+mkdir ns2/new-zones
diff --git a/bin/tests/system/addzone/tests.sh b/bin/tests/system/addzone/tests.sh
new file mode 100755
index 0000000..2937e79
--- /dev/null
+++ b/bin/tests/system/addzone/tests.sh
@@ -0,0 +1,756 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +nosea +nostat +nocmd +norec +noques +noauth +noadd +nostats +dnssec -p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+check_zonestatus() (
+    $RNDCCMD "10.53.0.$1" zonestatus -redirect > "zonestatus.out.ns$1.$n" &&
+    grep "type: redirect" "zonestatus.out.ns$1.$n" > /dev/null &&
+    grep "serial: 1" "zonestatus.out.ns$1.$n" > /dev/null
+)
+
+status=0
+n=0
+
+echo_i "checking normally loaded zone ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# When LMDB support is compiled in, this tests that migration from
+# NZF to NZD occurs during named startup
+echo_i "checking previously added zone ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 a.previous.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.previous.example' dig.out.ns2.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if $FEATURETEST --with-lmdb; then
+    echo_i "checking that existing NZF file was renamed after migration ($n)"
+    [ -e ns2/3bf305731dd26307.nzf~ ] || ret=1
+    n=$((n + 1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+echo_i "adding new zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone 'added.example { type primary; file "added.db"; };' 2>&1 | sed 's/^/I:ns2 /'
+_check_adding_new_zone () (
+	$DIG $DIGOPTS @10.53.0.2 a.added.example a > dig.out.ns2.$n &&
+	grep 'status: NOERROR' dig.out.ns2.$n > /dev/null &&
+	grep '^a.added.example' dig.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_adding_new_zone || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+nextpart ns2/named.run >/dev/null
+echo_i "checking addzone errors are logged correctly"
+ret=0
+$RNDCCMD 10.53.0.2 addzone bad.example '{ type mister; };' 2>&1 | grep 'unexpected token' > /dev/null 2>&1 || ret=1
+wait_for_log_peek 20 "addzone: 'mister' unexpected" ns2/named.run || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+nextpart ns2/named.run >/dev/null
+echo_i "checking modzone errors are logged correctly"
+ret=0
+$RNDCCMD 10.53.0.2 modzone added.example '{ type mister; };' 2>&1 | grep 'unexpected token' > /dev/null 2>&1 || ret=1
+wait_for_log_peek 20 "modzone: 'mister' unexpected" ns2/named.run || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "adding a zone that requires quotes ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone '"32/1.0.0.127-in-addr.added.example" {
+check-names ignore; type primary; file "added.db"; };' 2>&1 | sed 's/^/I:ns2 /'
+_check_zone_that_requires_quotes() (
+	$DIG $DIGOPTS @10.53.0.2 "a.32/1.0.0.127-in-addr.added.example" a > dig.out.ns2.$n &&
+	grep 'status: NOERROR' dig.out.ns2.$n > /dev/null &&
+	grep '^a.32/1.0.0.127-in-addr.added.example' dig.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_zone_that_requires_quotes || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "adding a zone with a quote in the name ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone '"foo\"bar.example" { check-names ignore; type primary; file "added.db"; };' 2>&1 | sed 's/^/I:ns2 /'
+_check_zone_with_a_quote() (
+	$DIG $DIGOPTS @10.53.0.2 "a.foo\"bar.example" a > dig.out.ns2.$n &&
+	grep 'status: NOERROR' dig.out.ns2.$n > /dev/null &&
+	grep '^a.foo\\"bar.example' dig.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_zone_with_a_quote || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "adding new zone with missing file ($n)"
+ret=0
+$DIG $DIGOPTS +all @10.53.0.2 a.missing.example a > dig.out.ns2.pre.$n || ret=1
+grep "status: REFUSED" dig.out.ns2.pre.$n > /dev/null || ret=1
+$RNDCCMD 10.53.0.2 addzone 'missing.example { type primary; file "missing.db"; };' 2> rndc.out.ns2.$n && ret=1
+grep "file not found" rndc.out.ns2.$n > /dev/null || ret=1
+$DIG $DIGOPTS +all @10.53.0.2 a.missing.example a > dig.out.ns2.post.$n || ret=1
+grep "status: REFUSED" dig.out.ns2.post.$n > /dev/null || ret=1
+digcomp dig.out.ns2.pre.$n dig.out.ns2.post.$n || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if ! $FEATURETEST --with-lmdb; then
+    echo_i "verifying no comments in NZF file ($n)"
+    ret=0
+    hcount=$(grep "^# New zone file for view: _default" ns2/3bf305731dd26307.nzf | wc -l)
+    [ $hcount -eq 0 ] || ret=1
+    n=$((n + 1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+echo_i "checking rndc showzone with previously added zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 showzone previous.example > rndc.out.ns2.$n
+expected='zone "previous.example" { type primary; file "previous.db"; };'
+[ "$(cat rndc.out.ns2.$n)" = "$expected" ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if $FEATURETEST --with-lmdb; then
+    echo_i "checking zone is present in NZD ($n)"
+    ret=0
+    $NZD2NZF ns2/_default.nzd | grep previous.example > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+echo_i "deleting previously added zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 delzone previous.example 2>&1 | sed 's/^/I:ns2 /'
+_check_deleting_previously_added_zone() (
+	$DIG $DIGOPTS @10.53.0.2 a.previous.example a > dig.out.ns2.$n &&
+	grep 'status: REFUSED' dig.out.ns2.$n > /dev/null &&
+	! grep '^a.previous.example' dig.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_deleting_previously_added_zone || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+check_nzd2nzf() (
+	$NZD2NZF ns2/_default.nzd > nzd2nzf.out.$n &&
+	! grep previous.example nzd2nzf.out.$n > /dev/null
+)
+
+if $FEATURETEST --with-lmdb; then
+    echo_i "checking zone was deleted from NZD ($n)"
+    retry_quiet 10 check_nzd2nzf || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+if ! $FEATURETEST --with-lmdb; then
+    echo_i "checking NZF file now has comment ($n)"
+    ret=0
+    hcount=$(grep "^# New zone file for view: _default" ns2/3bf305731dd26307.nzf | wc -l)
+    [ $hcount -eq 1 ] || ret=1
+    n=$((n + 1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+echo_i "deleting newly added zone added.example ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 delzone added.example 2>&1 | sed 's/^/I:ns2 /'
+_check_deleting_newly_added_zone() (
+	$DIG $DIGOPTS @10.53.0.2 a.added.example a > dig.out.ns2.$n &&
+	grep 'status: REFUSED' dig.out.ns2.$n > /dev/null &&
+	! grep '^a.added.example' dig.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_deleting_newly_added_zone || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "deleting newly added zone with escaped quote ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 delzone "foo\\\"bar.example" 2>&1 | sed 's/^/I:ns2 /'
+_check_deleting_newly_added_zone_quote() (
+	$DIG $DIGOPTS @10.53.0.2 "a.foo\"bar.example" a > dig.out.ns2.$n &&
+	grep 'status: REFUSED' dig.out.ns2.$n > /dev/null &&
+	! grep "^a.foo\"bar.example" dig.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_deleting_newly_added_zone_quote || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking rndc showzone with a normally-loaded zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 showzone normal.example > rndc.out.ns2.$n
+expected='zone "normal.example" { type primary; file "normal.db"; };'
+[ "$(cat rndc.out.ns2.$n)" = "$expected" ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking rndc showzone with a normally-loaded zone with trailing dot ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 showzone finaldot.example > rndc.out.ns2.$n
+expected='zone "finaldot.example." { type primary; file "normal.db"; };'
+[ "$(cat rndc.out.ns2.$n)" = "$expected" ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking rndc showzone with a normally-loaded redirect zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 showzone -redirect > rndc.out.ns1.$n
+expected='zone "." { type redirect; file "redirect.db"; };'
+[ "$(cat rndc.out.ns1.$n)" = "$expected" ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking rndc zonestatus with a normally-loaded redirect zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 zonestatus -redirect > rndc.out.ns1.$n
+grep "type: redirect" rndc.out.ns1.$n > /dev/null || ret=1
+grep "serial: 0" rndc.out.ns1.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking rndc reload with a normally-loaded redirect zone ($n)"
+ret=0
+sleep 1
+cp -f ns1/redirect.db.2 ns1/redirect.db
+$RNDCCMD 10.53.0.1 reload -redirect > rndc.out.ns1.$n
+retry_quiet 5 check_zonestatus 1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "delete a normally-loaded zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 delzone normal.example > rndc.out.ns2.$n 2>&1
+grep "is no longer active and will be deleted" rndc.out.ns2.$n > /dev/null || ret=11
+grep "To keep it from returning when the server is restarted" rndc.out.ns2.$n > /dev/null || ret=1
+grep "must also be removed from named.conf." rndc.out.ns2.$n > /dev/null || ret=1
+_check_delete_normally_loaded_zone() (
+	$DIG $DIGOPTS @10.53.0.2 a.normal.example a > dig.out.ns2.$n &&
+	grep 'status: REFUSED' dig.out.ns2.$n > /dev/null
+)
+retry_quiet 5 _check_delete_normally_loaded_zone || ret=1
+
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "attempting to add primary zone with inline signing ($n)"
+$RNDCCMD 10.53.0.2 addzone 'inline.example { type primary; file "inline.db"; inline-signing yes; };' 2>&1 | sed 's/^/I:ns2 /'
+_check_add_primary_zone_with_inline() (
+	$DIG $DIGOPTS @10.53.0.2 a.inline.example a > dig.out.ns2.$n &&
+	grep 'status: NOERROR' dig.out.ns2.$n > /dev/null &&
+	grep '^a.inline.example' dig.out.ns2.$n > /dev/null
+)
+retry_quiet 5 _check_add_primary_zone_with_inline || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "attempting to add primary zone with inline signing and missing file ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone 'inlinemissing.example { type primary; file "missing.db"; inline-signing yes; };' 2> rndc.out.ns2.$n && ret=1
+grep "file not found" rndc.out.ns2.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "attempting to add secondary zone with inline signing ($n)"
+$RNDCCMD 10.53.0.2 addzone 'inlinesec.example { type secondary; primaries { 10.53.0.1; }; file "inlinesec.bk"; inline-signing yes; };' 2>&1 | sed 's/^/I:ns2 /'
+_check_add_secondary_with_inline() (
+	$DIG $DIGOPTS @10.53.0.2 a.inlinesec.example a > dig.out.ns2.$n &&
+	grep 'status: NOERROR' dig.out.ns2.$n > /dev/null &&
+	grep '^a.inlinesec.example' dig.out.ns2.$n > /dev/null
+)
+retry_quiet 5 _check_add_secondary_with_inline || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "attempting to delete secondary zone with inline signing ($n)"
+ret=0
+retry_quiet 10 test -f ns2/inlinesec.bk.signed -a -f ns2/inlinesec.bk || ret=1
+$RNDCCMD 10.53.0.2 delzone inlinesec.example > rndc.out2.test$n 2>&1 || ret=1
+test -f inlinesec.bk ||
+grep '^inlinesec.bk$' rndc.out2.test$n > /dev/null || {
+	echo_i "failed to report inlinesec.bk"; ret=1;
+}
+test ! -f inlinesec.bk.signed ||
+grep '^inlinesec.bk.signed$' rndc.out2.test$n > /dev/null || {
+	echo_i "failed to report inlinesec.bk.signed"; ret=1;
+}
+n=$((n + 1))
+status=$((status + ret))
+
+echo_i "restoring secondary zone with inline signing ($n)"
+$RNDCCMD 10.53.0.2 addzone 'inlinesec.example { type secondary; primaries { 10.53.0.1; }; file "inlinesec.bk"; inline-signing yes; };' 2>&1 | sed 's/^/I:ns2 /'
+_check_restoring_secondary_with_inline() (
+	$DIG $DIGOPTS @10.53.0.2 a.inlinesec.example a > dig.out.ns2.$n &&
+	grep 'status: NOERROR' dig.out.ns2.$n > /dev/null &&
+	grep '^a.inlinesec.example' dig.out.ns2.$n > /dev/null
+)
+retry_quiet 5 _check_restoring_secondary_with_inline || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "deleting secondary zone with automatic zone file removal ($n)"
+ret=0
+retry_quiet 10 test -f ns2/inlinesec.bk.signed -a -f ns2/inlinesec.bk || ret=1
+$RNDCCMD 10.53.0.2 delzone -clean inlinesec.example > /dev/null 2>&1
+retry_quiet 10 test ! -f ns2/inlinesec.bk.signed -a ! -f ns2/inlinesec.bk
+n=$((n + 1))
+status=$((status + ret))
+
+echo_i "modifying zone configuration ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone 'mod.example { type primary; file "added.db"; };' 2>&1 | sed 's/^/ns2 /' | cat_i
+$DIG +norec $DIGOPTS @10.53.0.2 mod.example ns > dig.out.ns2.1.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.1.$n > /dev/null || ret=1
+$RNDCCMD 10.53.0.2 modzone 'mod.example { type primary; file "added.db"; allow-query { none; }; };' 2>&1 | sed 's/^/ns2 /' | cat_i
+$DIG +norec $DIGOPTS @10.53.0.2 mod.example ns > dig.out.ns2.2.$n || ret=1
+$RNDCCMD 10.53.0.2 showzone mod.example | grep 'allow-query { "none"; };' > /dev/null 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that adding a 'stub' zone works ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone 'stub.example { type stub; primaries { 1.2.3.4; }; file "stub.example.bk"; };' > rndc.out.ns2.$n 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that adding a 'static-stub' zone works ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone 'static-stub.example { type static-stub; server-addresses { 1.2.3.4; }; };' > rndc.out.ns2.$n 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that adding a 'primary redirect' zone works ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone '"." { type redirect; file "redirect.db"; };' > rndc.out.ns2.$n 2>&1 || ret=1
+_check_add_primary_redirect() (
+	$RNDCCMD 10.53.0.2 showzone -redirect > showzone.out.ns2.$n 2>&1 &&
+	grep "type redirect;" showzone.out.ns2.$n > /dev/null &&
+	$RNDCCMD 10.53.0.2 zonestatus -redirect > zonestatus.out.ns2.$n 2>&1 &&
+	grep "type: redirect" zonestatus.out.ns2.$n > /dev/null &&
+	grep "serial: 0" zonestatus.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_add_primary_redirect || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that reloading a added 'primary redirect' zone works ($n)"
+ret=0
+sleep 1
+cp -f ns2/redirect.db.2 ns2/redirect.db
+$RNDCCMD 10.53.0.2 reload -redirect > rndc.out.ns2.$n
+retry_quiet 10 check_zonestatus 2 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that retransfer of a added 'primary redirect' zone fails ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 retransfer -redirect > rndc.out.ns2.$n 2>&1 && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that deleting a 'primary redirect' zone works ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 delzone -redirect > rndc.out.ns2.$n 2>&1 || ret=1
+_check_deleting_primary_redirect() (
+	$RNDCCMD 10.53.0.2 showzone -redirect > showzone.out.ns2.$n 2>&1 || true
+	grep 'not found' showzone.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_deleting_primary_redirect || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that adding a 'secondary redirect' zone works ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone '"." { type redirect; primaries { 10.53.0.3;}; file "redirect.bk"; };' > rndc.out.ns2.$n 2>&1 || ret=1
+_check_adding_secondary_redirect() (
+	$RNDCCMD 10.53.0.2 showzone -redirect > showzone.out.ns2.$n 2>&1 &&
+	grep "type redirect;" showzone.out.ns2.$n > /dev/null &&
+	$RNDCCMD 10.53.0.2 zonestatus -redirect > zonestatus.out.ns2.$n 2>&1 &&
+	grep "type: redirect" zonestatus.out.ns2.$n > /dev/null &&
+	grep "serial: 0" zonestatus.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_adding_secondary_redirect || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that retransfering a added 'secondary redirect' zone works ($n)"
+ret=0
+cp -f ns3/redirect.db.2 ns3/redirect.db
+$RNDCCMD 10.53.0.3 reload . > showzone.out.ns3.$n 2>&1 || ret=1
+_check_retransfering_secondary_redirect() (
+	$RNDCCMD 10.53.0.2 retransfer -redirect > rndc.out.ns2.$n 2>&1 &&
+	$RNDCCMD 10.53.0.2 zonestatus -redirect > zonestatus.out.ns2.$n 2>&1 &&
+	grep "type: redirect" zonestatus.out.ns2.$n > /dev/null &&
+	grep "serial: 1" zonestatus.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_retransfering_secondary_redirect || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that deleting a 'secondary redirect' zone works ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 delzone -redirect > rndc.out.ns2.$n 2>&1 || ret=1
+_check_deleting_secondary_redirect() (
+	$RNDCCMD 10.53.0.2 showzone -redirect > showzone.out.ns2.$n 2>&1 || true
+	grep 'not found' showzone.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_deleting_secondary_redirect || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that zone type 'hint' is properly rejected ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone '"." { type hint; file "hints.db"; };' > rndc.out.ns2.$n 2>&1 && ret=1
+grep "zones not supported by addzone" rndc.out.ns2.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that zone type 'forward' is properly rejected ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone 'forward.example { type forward; forwarders { 1.2.3.4; }; forward only; };' > rndc.out.ns2.$n 2>&1 && ret=1
+grep "zones not supported by addzone" rndc.out.ns2.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that zone type 'delegation-only' is properly rejected ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone 'delegation-only.example { type delegation-only; };' > rndc.out.ns2.$n 2>&1 && ret=1
+grep "zones not supported by addzone" rndc.out.ns2.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'in-view' zones are properly rejected ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone 'in-view.example { in-view "_default"; };' > rndc.out.ns2.$n 2>&1 && ret=1
+grep "zones not supported by addzone" rndc.out.ns2.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "reconfiguring server with multiple views"
+rm -f ns2/named.conf
+copy_setports ns2/named2.conf.in ns2/named.conf
+rndc_reconfig ns2 10.53.0.2
+
+echo_i "adding new zone to external view ($n)"
+# NOTE: The internal view has "recursion yes" set, and so queries for
+# nonexistent zones should return NOERROR.  The external view is
+# "recursion no", so queries for nonexistent zones should return
+# REFUSED.  This behavior should be the same regardless of whether
+# the zone does not exist because a) it has not yet been loaded, b)
+# it failed to load, or c) it has been deleted.
+ret=0
+$DIG +norec $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.added.example a > dig.out.ns2.intpre.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.intpre.$n > /dev/null || ret=1
+$DIG +norec $DIGOPTS @10.53.0.4 -b 10.53.0.4 a.added.example a > dig.out.ns2.extpre.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.extpre.$n > /dev/null || ret=1
+$RNDCCMD 10.53.0.2 addzone 'added.example in external { type primary; file "added.db"; };' 2>&1 | sed 's/^/I:ns2 /'
+$DIG +norec $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.added.example a > dig.out.ns2.int.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.int.$n > /dev/null || ret=1
+$DIG +norec $DIGOPTS @10.53.0.4 -b 10.53.0.4 a.added.example a > dig.out.ns2.ext.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.ext.$n > /dev/null || ret=1
+grep '^a.added.example' dig.out.ns2.ext.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if ! $FEATURETEST --with-lmdb; then
+    echo_i "checking new NZF file has comment ($n)"
+    ret=0
+    hcount=$(grep "^# New zone file for view: external" ns2/external.nzf | wc -l)
+    [ $hcount -eq 1 ] || ret=1
+    n=$((n + 1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+if $FEATURETEST --with-lmdb; then
+    echo_i "verifying added.example in external view created an external.nzd DB ($n)"
+    ret=0
+    [ -e ns2/external.nzd ] || ret=1
+    n=$((n + 1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+echo_i "checking rndc reload causes named to reload the external view's new zone config ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 reload 2>&1 | sed 's/^/ns2 /' | cat_i
+_check_rndc_reload_external_view_config() (
+	$DIG +norec $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.added.example a > dig.out.ns2.int.$n &&
+	grep 'status: NOERROR' dig.out.ns2.int.$n > /dev/null &&
+	$DIG +norec $DIGOPTS @10.53.0.4 -b 10.53.0.4 a.added.example a > dig.out.ns2.ext.$n &&
+	grep 'status: NOERROR' dig.out.ns2.ext.$n > /dev/null &&
+	grep '^a.added.example' dig.out.ns2.ext.$n > /dev/null
+)
+retry_quiet 10 _check_rndc_reload_external_view_config || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking rndc showzone with newly added zone ($n)"
+_check_rndc_showzone_newly_added() (
+	if ! $FEATURETEST --with-lmdb; then
+		expected='zone "added.example" in external { type primary; file "added.db"; };'
+	else
+		expected='zone "added.example" { type primary; file "added.db"; };'
+	fi
+	$RNDCCMD 10.53.0.2 showzone added.example in external > rndc.out.ns2.$n 2>/dev/null &&
+	[ "$(cat rndc.out.ns2.$n)" = "$expected" ]
+)
+retry_quiet 10  _check_rndc_showzone_newly_added || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "deleting newly added zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 delzone 'added.example in external' 2>&1 | sed 's/^/I:ns2 /'
+_check_deleting_newly_added_zone() (
+	$DIG $DIGOPTS @10.53.0.4 -b 10.53.0.4 a.added.example a > dig.out.ns2.$n &&
+	grep 'status: REFUSED' dig.out.ns2.$n > /dev/null &&
+	! grep '^a.added.example' dig.out.ns2.$n > /dev/null
+)
+retry_quiet 10 _check_deleting_newly_added_zone || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "attempting to add zone to internal view ($n)"
+ret=0
+$DIG +norec $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.added.example a > dig.out.ns2.pre.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.pre.$n > /dev/null || ret=1
+$RNDCCMD 10.53.0.2 addzone 'added.example in internal { type primary; file "added.db"; };' 2> rndc.out.ns2.$n && ret=1
+grep "permission denied" rndc.out.ns2.$n > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.added.example a > dig.out.ns2.int.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.int.$n > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.4 -b 10.53.0.4 a.added.example a > dig.out.ns2.ext.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.ext.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "attempting to delete a policy zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 delzone 'policy in internal' 2> rndc.out.ns2.$n >&1 && ret=1
+grep 'cannot be deleted' rndc.out.ns2.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "adding new zone again to external view ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 addzone 'added.example in external { type primary; file "added.db"; };' 2>&1 | sed 's/^/I:ns2 /'
+_check_adding_new_zone_again_external() (
+	$DIG +norec $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.added.example a > dig.out.ns2.int.$n &&
+	grep 'status: NOERROR' dig.out.ns2.int.$n > /dev/null &&
+	$DIG +norec $DIGOPTS @10.53.0.4 -b 10.53.0.4 a.added.example a > dig.out.ns2.ext.$n &&
+	grep 'status: NOERROR' dig.out.ns2.ext.$n > /dev/null &&
+	grep '^a.added.example' dig.out.ns2.ext.$n > /dev/null
+)
+retry_quiet 10 _check_adding_new_zone_again_external || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "reconfiguring server with multiple views and new-zones-directory"
+rm -f ns2/named.conf
+copy_setports ns2/named3.conf.in ns2/named.conf
+rndc_reconfig ns2 10.53.0.2
+
+echo_i "checking new zone is still loaded after dir change ($n)"
+ret=0
+$DIG +norec $DIGOPTS @10.53.0.4 -b 10.53.0.4 a.added.example a > dig.out.ns2.ext.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.ext.$n > /dev/null || ret=1
+grep '^a.added.example' dig.out.ns2.ext.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "deleting newly added zone from external ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 delzone 'added.example in external' 2>&1 | sed 's/^/I:ns2 /'
+$DIG $DIGOPTS @10.53.0.4 -b 10.53.0.4 a.added.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.added.example' dig.out.ns2.$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "adding new zone to directory view ($n)"
+ret=0
+$DIG +norec $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.added.example a > dig.out.ns2.intpre.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.intpre.$n > /dev/null || ret=1
+$DIG +norec $DIGOPTS @10.53.0.4 -b 10.53.0.4 a.added.example a > dig.out.ns2.extpre.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.extpre.$n > /dev/null || ret=1
+$DIG +norec $DIGOPTS @10.53.0.5 -b 10.53.0.5 a.added.example a > dig.out.ns2.dirpre.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.dirpre.$n > /dev/null || ret=1
+$RNDCCMD 10.53.0.2 addzone 'added.example in directory { type primary; file "added.db"; };' 2>&1 | sed 's/^/I:ns2 /'
+$DIG +norec $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.added.example a > dig.out.ns2.int.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.int.$n > /dev/null || ret=1
+$DIG +norec $DIGOPTS @10.53.0.4 -b 10.53.0.4 a.added.example a > dig.out.ns2.ext.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.ext.$n > /dev/null || ret=1
+$DIG +norec $DIGOPTS @10.53.0.5 -b 10.53.0.5 a.added.example a > dig.out.ns2.dir.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.dir.$n > /dev/null || ret=1
+grep '^a.added.example' dig.out.ns2.dir.$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if $FEATURETEST --with-lmdb; then
+    echo_i "checking NZD file was created in new-zones-directory ($n)"
+    expect=ns2/new-zones/directory.nzd
+else
+    echo_i "checking NZF file was created in new-zones-directory ($n)"
+    expect=ns2/new-zones/directory.nzf
+fi
+$RNDCCMD 10.53.0.2 sync 'added.example IN directory' 2>&1 | sed 's/^/I:ns2 /'
+sleep 2
+[ -e "$expect" ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "deleting newly added zone from directory ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 delzone 'added.example in directory' 2>&1 | sed 's/^/I:ns2 /'
+$DIG $DIGOPTS @10.53.0.5 -b 10.53.0.5 a.added.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.added.example' dig.out.ns2.$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "ensure the configuration context is cleaned up correctly ($n)"
+ret=0
+rndc_reconfig ns2 10.53.0.2
+$RNDCCMD 10.53.0.2 status > /dev/null 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check delzone after reconfig failure ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 addzone 'inlinesec.example. IN { type secondary; file "inlinesec.db"; masterfile-format text; primaries { test; }; };' > /dev/null 2>&1 || ret=1
+copy_setports ns3/named2.conf.in ns3/named.conf
+rndc_reconfig ns3 10.53.0.3
+$RNDCCMD 10.53.0.3 delzone inlinesec.example > /dev/null 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if ! $FEATURETEST --with-lmdb
+then
+    echo_i "check that addzone is fully reversed on failure (--with-lmdb=no) ($n)"
+    ret=0
+    $RNDCCMD 10.53.0.3 addzone "test1.baz" '{ type primary; file "e.db"; };' > /dev/null 2>&1 || ret=1
+    $RNDCCMD 10.53.0.3 addzone "test2.baz" '{ type primary; file "dne.db"; };' > /dev/null 2>&1 && ret=1
+    $RNDCCMD 10.53.0.3 addzone "test3.baz" '{ type primary; file "e.db"; };' > /dev/null 2>&1 || ret=1
+    $RNDCCMD 10.53.0.3 delzone "test3.baz" > /dev/null 2>&1 || ret=1
+    grep test2.baz ns3/_default.nzf > /dev/null && ret=1
+    n=$((n + 1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+_check_version_bind() (
+	$DIG $DIGOPTS @10.53.0.3 version.bind txt ch > dig.out.test$n &&
+	grep "status: NOERROR" dig.out.test$n > /dev/null
+)
+
+echo_i "check that named restarts with multiple added zones ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 addzone "test4.baz" '{ type primary; file "e.db"; };' > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.3 addzone "test5.baz" '{ type primary; file "e.db"; };' > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.3 addzone '"test/.baz"' '{ type primary; check-names ignore; file "e.db"; };' > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.3 addzone '"test\".baz"' '{ type primary; check-names ignore; file "e.db"; };' > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.3 addzone '"test\\.baz"' '{ type primary; check-names ignore; file "e.db"; };' > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.3 addzone '"test\032.baz"' '{ type primary; check-names ignore; file "e.db"; };' > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.3 addzone '"test\010.baz"' '{ type primary; check-names ignore; file "e.db"; };' > /dev/null 2>&1 || ret=1
+stop_server ns3
+start_server --noclean --restart --port ${PORT} ns3 || ret=1
+retry_quiet 10 _check_version_bind || ret=1
+$DIG $DIGOPTS @10.53.0.3 SOA  "test4.baz" > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 SOA  "test5.baz" > dig.out.2.test$n || ret=1
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.2.test$n > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 SOA  'test/.baz' > dig.out.3.test$n || ret=1
+grep "status: NOERROR" dig.out.3.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.3.test$n > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 SOA  'test\\.baz' > dig.out.4.test$n || ret=1
+grep "status: NOERROR" dig.out.4.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.4.test$n > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 SOA  'test\032.baz' > dig.out.5.test$n || ret=1
+grep "status: NOERROR" dig.out.5.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.5.test$n > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 SOA  'test\010.baz' > dig.out.6.test$n || ret=1
+grep "status: NOERROR" dig.out.6.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.6.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/addzone/tests_rndc_deadlock.py b/bin/tests/system/addzone/tests_rndc_deadlock.py
new file mode 100755
index 0000000..bd21d62
--- /dev/null
+++ b/bin/tests/system/addzone/tests_rndc_deadlock.py
@@ -0,0 +1,92 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import concurrent.futures
+import os
+import subprocess
+import time
+
+
+def run_rndc(server, rndc_command):
+    """
+    Send the specified 'rndc_command' to 'server' with a timeout of 10 seconds
+    """
+    rndc = os.getenv("RNDC")
+    port = os.getenv("CONTROLPORT")
+
+    cmdline = [rndc, "-c", "../common/rndc.conf", "-p", port, "-s", server]
+    cmdline.extend(rndc_command)
+
+    subprocess.check_output(cmdline, stderr=subprocess.STDOUT, timeout=10)
+
+
+def rndc_loop(test_state, domain):
+    """
+    Run "rndc addzone", "rndc modzone", and "rndc delzone" in a tight loop
+    until the test is considered finished, ignoring errors
+    """
+    rndc_commands = [
+        ["addzone", domain, '{ type primary; file "example.db"; };'],
+        [
+            "modzone",
+            domain,
+            '{ type primary; file "example.db"; allow-transfer { any; }; };',
+        ],
+        ["delzone", domain],
+    ]
+
+    while not test_state["finished"]:
+        for command in rndc_commands:
+            try:
+                run_rndc("10.53.0.3", command)
+            except subprocess.SubprocessError:
+                pass
+
+
+def check_if_server_is_responsive():
+    """
+    Check if server status can be successfully retrieved using "rndc status"
+    """
+    try:
+        run_rndc("10.53.0.3", ["status"])
+        return True
+    except subprocess.SubprocessError:
+        return False
+
+
+def test_rndc_deadlock():
+    """
+    Test whether running "rndc addzone", "rndc modzone", and "rndc delzone"
+    commands concurrently does not trigger a deadlock
+    """
+    test_state = {"finished": False}
+
+    # Create 4 worker threads running "rndc" commands in a loop.
+    with concurrent.futures.ThreadPoolExecutor() as executor:
+        for i in range(1, 5):
+            domain = "example%d" % i
+            executor.submit(rndc_loop, test_state, domain)
+
+        # Run "rndc status" 10 times, with 1-second pauses between attempts.
+        # Each "rndc status" invocation has a timeout of 10 seconds.  If any of
+        # them fails, the loop will be interrupted.
+        server_is_responsive = True
+        attempts = 10
+        while server_is_responsive and attempts > 0:
+            server_is_responsive = check_if_server_is_responsive()
+            attempts -= 1
+            time.sleep(1)
+
+        # Signal worker threads that the test is finished.
+        test_state["finished"] = True
+
+    # Check whether all "rndc status" commands succeeded.
+    assert server_is_responsive
diff --git a/bin/tests/system/addzone/tests_sh_addzone.py b/bin/tests/system/addzone/tests_sh_addzone.py
new file mode 100644
index 0000000..dca8e74
--- /dev/null
+++ b/bin/tests/system/addzone/tests_sh_addzone.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_addzone(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/allow-query/clean.sh b/bin/tests/system/allow-query/clean.sh
new file mode 100644
index 0000000..9914de7
--- /dev/null
+++ b/bin/tests/system/allow-query/clean.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after allow query tests.
+#
+
+rm -f dig.out.*
+rm -f ns*/named.conf
+rm -f ns2/controls.conf
+rm -f */named.memstats
+rm -f ns*/named.lock
+rm -f ns*/named.run ns*/named.run.prev
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
diff --git a/bin/tests/system/allow-query/ns1/named.conf.in b/bin/tests/system/allow-query/ns1/named.conf.in
new file mode 100644
index 0000000..dd786e2
--- /dev/null
+++ b/bin/tests/system/allow-query/ns1/named.conf.in
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/allow-query/ns1/root.db b/bin/tests/system/allow-query/ns1/root.db
new file mode 100644
index 0000000..456198e
--- /dev/null
+++ b/bin/tests/system/allow-query/ns1/root.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@			SOA	a.root-servers.nil. hostmaster.localhost. 1 3600 1200 604800 3600
+			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+normal.example.		NS	ns2.normal.example.
+ns2.normal.example.	A	10.53.0.2
diff --git a/bin/tests/system/allow-query/ns2/generic.db b/bin/tests/system/allow-query/ns2/generic.db
new file mode 100644
index 0000000..83e66f9
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/generic.db
@@ -0,0 +1,33 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN @
+$TTL 300	; 5 minutes
+@                       IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+			MX	10 mail
+
+a			A	10.0.7.1
+mail			A	10.0.7.2
+b			A	10.0.7.3
+c			A	10.0.7.4
+d			A	10.0.7.5
+e			A	10.0.7.6
+f			A	10.0.7.7
+g			A	10.0.7.8
+h			A	10.0.7.9
diff --git a/bin/tests/system/allow-query/ns2/named01.conf.in b/bin/tests/system/allow-query/ns2/named01.conf.in
new file mode 100644
index 0000000..3069010
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named01.conf.in
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named02.conf.in b/bin/tests/system/allow-query/ns2/named02.conf.in
new file mode 100644
index 0000000..678c417
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named02.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { any; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named03.conf.in b/bin/tests/system/allow-query/ns2/named03.conf.in
new file mode 100644
index 0000000..cdc64ff
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named03.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { none; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named04.conf.in b/bin/tests/system/allow-query/ns2/named04.conf.in
new file mode 100644
index 0000000..0544662
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named04.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { 10.53.0.2; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named05.conf.in b/bin/tests/system/allow-query/ns2/named05.conf.in
new file mode 100644
index 0000000..6f92049
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named05.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { 10.53.0.1; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named06.conf.in b/bin/tests/system/allow-query/ns2/named06.conf.in
new file mode 100644
index 0000000..261c75b
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named06.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query {! 10.53.0.2; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named07.conf.in b/bin/tests/system/allow-query/ns2/named07.conf.in
new file mode 100644
index 0000000..8050fa2
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named07.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl accept { 10.53.0.2; };
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { accept; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named08.conf.in b/bin/tests/system/allow-query/ns2/named08.conf.in
new file mode 100644
index 0000000..ffa4cdc
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named08.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl accept { 10.53.0.1; };
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { accept; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named09.conf.in b/bin/tests/system/allow-query/ns2/named09.conf.in
new file mode 100644
index 0000000..49166e6
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named09.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl accept { 10.53.0.2; };
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query {! accept; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named10.conf.in b/bin/tests/system/allow-query/ns2/named10.conf.in
new file mode 100644
index 0000000..d684c2d
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named10.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { key one; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named11.conf.in b/bin/tests/system/allow-query/ns2/named11.conf.in
new file mode 100644
index 0000000..59b9e0e
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named11.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+key two {
+	algorithm hmac-md5;
+	secret "1234efgh8765";
+};
+
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { key one; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named12.conf.in b/bin/tests/system/allow-query/ns2/named12.conf.in
new file mode 100644
index 0000000..a8e9107
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named12.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query {! key one; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
diff --git a/bin/tests/system/allow-query/ns2/named21.conf.in b/bin/tests/system/allow-query/ns2/named21.conf.in
new file mode 100644
index 0000000..c6204a3
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named21.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named22.conf.in b/bin/tests/system/allow-query/ns2/named22.conf.in
new file mode 100644
index 0000000..454f24a
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named22.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { any; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+
+};
diff --git a/bin/tests/system/allow-query/ns2/named23.conf.in b/bin/tests/system/allow-query/ns2/named23.conf.in
new file mode 100644
index 0000000..f62337b
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named23.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { none; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named24.conf.in b/bin/tests/system/allow-query/ns2/named24.conf.in
new file mode 100644
index 0000000..1e277a9
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named24.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { 10.53.0.2; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named25.conf.in b/bin/tests/system/allow-query/ns2/named25.conf.in
new file mode 100644
index 0000000..0548af2
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named25.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { 10.53.0.1; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named26.conf.in b/bin/tests/system/allow-query/ns2/named26.conf.in
new file mode 100644
index 0000000..40e5dfd
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named26.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query {! 10.53.0.2; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named27.conf.in b/bin/tests/system/allow-query/ns2/named27.conf.in
new file mode 100644
index 0000000..92fa1f8
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named27.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl accept { 10.53.0.2; };
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { accept; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+
+};
diff --git a/bin/tests/system/allow-query/ns2/named28.conf.in b/bin/tests/system/allow-query/ns2/named28.conf.in
new file mode 100644
index 0000000..2ecac7c
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named28.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl accept { 10.53.0.1; };
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { accept; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named29.conf.in b/bin/tests/system/allow-query/ns2/named29.conf.in
new file mode 100644
index 0000000..9a6c9e5
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named29.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl accept { 10.53.0.2; };
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query {! accept; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named30.conf.in b/bin/tests/system/allow-query/ns2/named30.conf.in
new file mode 100644
index 0000000..f7084c8
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named30.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { key one; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named31.conf.in b/bin/tests/system/allow-query/ns2/named31.conf.in
new file mode 100644
index 0000000..d6a7af5
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named31.conf.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+key two {
+	algorithm hmac-md5;
+	secret "1234efgh8765";
+};
+
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { key one; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { key one; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named32.conf.in b/bin/tests/system/allow-query/ns2/named32.conf.in
new file mode 100644
index 0000000..b7d7ee4
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named32.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query {! key one; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named33.conf.in b/bin/tests/system/allow-query/ns2/named33.conf.in
new file mode 100644
index 0000000..be31b72
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named33.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { none; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { any; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+
+};
diff --git a/bin/tests/system/allow-query/ns2/named34.conf.in b/bin/tests/system/allow-query/ns2/named34.conf.in
new file mode 100644
index 0000000..165ff06
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named34.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { any; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { none; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named40.conf.in b/bin/tests/system/allow-query/ns2/named40.conf.in
new file mode 100644
index 0000000..b7a8746
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named40.conf.in
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl accept { 10.53.0.2; };
+
+acl badaccept { 10.53.0.1; };
+
+key one {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+key two {
+	algorithm hmac-md5;
+	secret "1234efgh8765";
+};
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+};
+
+zone "any.example" {
+	type primary;
+	file "generic.db";
+	allow-query { any; };
+};
+
+zone "none.example" {
+	type primary;
+	file "generic.db";
+	allow-query { none; };
+};
+
+zone "addrallow.example" {
+	type primary;
+	file "generic.db";
+	allow-query { 10.53.0.2; };
+};
+
+zone "addrnotallow.example" {
+	type primary;
+	file "generic.db";
+	allow-query { 10.53.0.1; };
+};
+
+zone "addrdisallow.example" {
+	type primary;
+	file "generic.db";
+	allow-query { ! 10.53.0.2; };
+};
+
+zone "aclallow.example" {
+	type primary;
+	file "generic.db";
+	allow-query { accept; };
+};
+
+zone "aclnotallow.example" {
+	type primary;
+	file "generic.db";
+	allow-query { badaccept; };
+};
+
+zone "acldisallow.example" {
+	type primary;
+	file "generic.db";
+	allow-query { ! accept; };
+};
+
+/* Also usable for testing key not allowed */
+zone "keyallow.example" {
+	type primary;
+	file "generic.db";
+	allow-query { key one; };
+};
+
+zone "keydisallow.example" {
+	type primary;
+	file "generic.db";
+	allow-query { ! key one; };
+};
diff --git a/bin/tests/system/allow-query/ns2/named53.conf.in b/bin/tests/system/allow-query/ns2/named53.conf.in
new file mode 100644
index 0000000..bd0af28
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named53.conf.in
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { none; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+	allow-query { any; };
+};
diff --git a/bin/tests/system/allow-query/ns2/named54.conf.in b/bin/tests/system/allow-query/ns2/named54.conf.in
new file mode 100644
index 0000000..a6ca424
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named54.conf.in
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	allow-query { any; };
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "normal.example" {
+	type primary;
+	file "generic.db";
+	allow-query { none; };
+};
diff --git a/bin/tests/system/allow-query/ns2/named55.conf.in b/bin/tests/system/allow-query/ns2/named55.conf.in
new file mode 100644
index 0000000..6bcba07
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named55.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { none; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+		allow-query { any; };
+	};
+
+};
diff --git a/bin/tests/system/allow-query/ns2/named56.conf.in b/bin/tests/system/allow-query/ns2/named56.conf.in
new file mode 100644
index 0000000..d89a5fb
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named56.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+
+	allow-query { any; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+		allow-query { none; };
+	};
+};
diff --git a/bin/tests/system/allow-query/ns2/named57.conf.in b/bin/tests/system/allow-query/ns2/named57.conf.in
new file mode 100644
index 0000000..bcc3a85
--- /dev/null
+++ b/bin/tests/system/allow-query/ns2/named57.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+include "controls.conf";
+
+view "internal" {
+	allow-query-on { any; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "normal.example" {
+		type primary;
+		file "generic.db";
+	};
+
+	zone "aclnotallow.example" {
+		type primary;
+		file "generic.db";
+		allow-query-on { none; };
+	};
+};
diff --git a/bin/tests/system/allow-query/ns3/named.args b/bin/tests/system/allow-query/ns3/named.args
new file mode 100644
index 0000000..e875a57
--- /dev/null
+++ b/bin/tests/system/allow-query/ns3/named.args
@@ -0,0 +1,2 @@
+# this server only has 127.0.0.1 in its localhost/localnets ACLs
+-m record -c named.conf -d 99 -D allow-query-ns3 -X named.lock -g -T maxcachesize=2097152 -T fixedlocal
diff --git a/bin/tests/system/allow-query/ns3/named1.conf.in b/bin/tests/system/allow-query/ns3/named1.conf.in
new file mode 100644
index 0000000..74b9885
--- /dev/null
+++ b/bin/tests/system/allow-query/ns3/named1.conf.in
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/allow-query/ns3/named2.conf.in b/bin/tests/system/allow-query/ns3/named2.conf.in
new file mode 100644
index 0000000..c4a4e8f
--- /dev/null
+++ b/bin/tests/system/allow-query/ns3/named2.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	allow-recursion { any; };
+	allow-recursion-on { none; };
+	allow-query-cache-on { 10.53.0.3; };
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/allow-query/ns3/named3.conf.in b/bin/tests/system/allow-query/ns3/named3.conf.in
new file mode 100644
index 0000000..0e1f7b0
--- /dev/null
+++ b/bin/tests/system/allow-query/ns3/named3.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; 10.53.1.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	allow-recursion { any; };
+	allow-query-cache { any; };
+	allow-query-cache-on { 10.53.0.3; }; # allow-recursion-on inherits
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/allow-query/ns3/named4.conf.in b/bin/tests/system/allow-query/ns3/named4.conf.in
new file mode 100644
index 0000000..36ff911
--- /dev/null
+++ b/bin/tests/system/allow-query/ns3/named4.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; 10.53.1.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	allow-recursion { any; };
+	allow-query-cache { any; };
+	allow-recursion-on { 10.53.0.3; }; # allow-query-cache-on inherits
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/allow-query/setup.sh b/bin/tests/system/allow-query/setup.sh
new file mode 100644
index 0000000..c85676e
--- /dev/null
+++ b/bin/tests/system/allow-query/setup.sh
@@ -0,0 +1,19 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ../common/controls.conf.in ns2/controls.conf
+copy_setports  ns1/named.conf.in ns1/named.conf
+copy_setports  ns2/named01.conf.in ns2/named.conf
+copy_setports  ns3/named1.conf.in ns3/named.conf
diff --git a/bin/tests/system/allow-query/tests.sh b/bin/tests/system/allow-query/tests.sh
new file mode 100644
index 0000000..3a1b8b4
--- /dev/null
+++ b/bin/tests/system/allow-query/tests.sh
@@ -0,0 +1,739 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Test of allow-query statement.
+# allow-query takes an address match list and can be included in either the
+# options statement or in the zone statement.  This test assumes that the
+# acl tests cover the details of the address match list and uses a limited
+# number of address match test cases to ensure that allow-query finds the
+# expected match.
+# Test list:
+# In options:
+# default (any), any, none, [localhost, localnets],
+# allowed address, not allowed address, denied address,
+# allowed key, not allowed key, denied key
+# allowed acl, not allowed acl, denied acl (acls pointing to addresses)
+#
+# Each of these tests requires changing to a new configuration
+# file and using rndc to update the server
+#
+# In view, with nothing in options (default to any)
+# default (any), any, none, [localhost, localnets],
+# allowed address, not allowed address, denied address,
+# allowed key, not allowed key, denied key
+# allowed acl, not allowed acl, denied acl (acls pointing to addresses)
+#
+# In view, with options set to none, view set to any
+# In view, with options set to any, view set to none
+#
+# In zone, with nothing in options (default to any)
+# any, none, [localhost, localnets],
+# allowed address, denied address,
+# allowed key, not allowed key, denied key
+# allowed acl, not allowed acl, denied acl (acls pointing to addresses),
+#
+# In zone, with options set to none, zone set to any
+# In zone, with options set to any, zone set to none
+# In zone, with view set to none, zone set to any
+# In zone, with view set to any, zone set to none
+#
+# zone types of primary, secondary and stub can be tested in parallel by
+# using multiple instances (ns2 as primary, ns3 as secondary, ns4 as stub)
+# and querying as necessary.
+#
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +nosea +nostat +nocmd +norec +noques +noauth +noadd +nostats +dnssec -p ${PORT}"
+
+status=0
+n=0
+
+nextpart ns2/named.run > /dev/null
+
+# Test 1 - default, query allowed
+n=$((n + 1))
+echo_i "test $n: default - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 2 - explicit any, query allowed
+n=$((n + 1))
+copy_setports ns2/named02.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: explicit any - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 3 - none, query refused
+n=$((n + 1))
+copy_setports ns2/named03.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: none - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+nextpart ns2/named.run | grep 'recursion not enabled for view' > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+DIGNOEDNS="+tcp +nosea +nostat +nocmd +norec +noques +noauth +noadd +nostats +noedns -p ${PORT}"
+
+echo_i "test $n: none - query refused (no edns)"
+ret=0
+$DIG $DIGNOEDNS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null && ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 4 - address allowed, query allowed
+n=$((n + 1))
+copy_setports ns2/named04.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: address allowed - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 5 - address not allowed, query refused
+n=$((n + 1))
+copy_setports ns2/named05.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: address not allowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 6 - address disallowed, query refused
+n=$((n + 1))
+copy_setports ns2/named06.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: address disallowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 7 - acl allowed, query allowed
+n=$((n + 1))
+copy_setports ns2/named07.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: acl allowed - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 8 - acl not allowed, query refused
+n=$((n + 1))
+copy_setports ns2/named08.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: acl not allowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+
+# Test 9 - acl disallowed, query refused
+n=$((n + 1))
+copy_setports ns2/named09.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: acl disallowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 10 - key allowed, query allowed
+n=$((n + 1))
+copy_setports ns2/named10.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: key allowed - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 -y one:1234abcd8765 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 11 - key not allowed, query refused
+n=$((n + 1))
+copy_setports ns2/named11.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: key not allowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 -y two:1234efgh8765 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 12 - key disallowed, query refused
+n=$((n + 1))
+copy_setports ns2/named12.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: key disallowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 -y one:1234abcd8765 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# The next set of tests check if allow-query works in a view
+
+n=20
+# Test 21 - views default, query allowed
+n=$((n + 1))
+copy_setports ns2/named21.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views default - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 22 - views explicit any, query allowed
+n=$((n + 1))
+copy_setports ns2/named22.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views explicit any - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 23 - views none, query refused
+n=$((n + 1))
+copy_setports ns2/named23.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views none - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 24 - views address allowed, query allowed
+n=$((n + 1))
+copy_setports ns2/named24.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views address allowed - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 25 - views address not allowed, query refused
+n=$((n + 1))
+copy_setports ns2/named25.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views address not allowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 26 - views address disallowed, query refused
+n=$((n + 1))
+copy_setports ns2/named26.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views address disallowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 27 - views acl allowed, query allowed
+n=$((n + 1))
+copy_setports ns2/named27.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views acl allowed - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 28 - views acl not allowed, query refused
+n=$((n + 1))
+copy_setports ns2/named28.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views acl not allowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 29 - views acl disallowed, query refused
+n=$((n + 1))
+copy_setports ns2/named29.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views acl disallowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 30 - views key allowed, query allowed
+n=$((n + 1))
+copy_setports ns2/named30.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views key allowed - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 -y one:1234abcd8765 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 31 - views key not allowed, query refused
+n=$((n + 1))
+copy_setports ns2/named31.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views key not allowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 -y two:1234efgh8765 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 32 - views key disallowed, query refused
+n=$((n + 1))
+copy_setports ns2/named32.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views key disallowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 -y one:1234abcd8765 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 33 - views over options, views allow, query allowed
+n=$((n + 1))
+copy_setports ns2/named33.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views over options, views allow - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 34 - views over options, views disallow, query refused
+n=$((n + 1))
+copy_setports ns2/named34.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views over options, views disallow - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Tests for allow-query in the zone statements
+
+n=40
+
+# Test 41 - zone default, query allowed
+n=$((n + 1))
+copy_setports ns2/named40.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: zone default - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 42 - zone explicit any, query allowed
+n=$((n + 1))
+echo_i "test $n: zone explicit any - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.any.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.any.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 43 - zone none, query refused
+n=$((n + 1))
+echo_i "test $n: zone none - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.none.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.none.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 44 - zone address allowed, query allowed
+n=$((n + 1))
+echo_i "test $n: zone address allowed - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.addrallow.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.addrallow.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 45 - zone address not allowed, query refused
+n=$((n + 1))
+echo_i "test $n: zone address not allowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.addrnotallow.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.addrnotallow.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 46 - zone address disallowed, query refused
+n=$((n + 1))
+echo_i "test $n: zone address disallowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.addrdisallow.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.addrdisallow.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 47 - zone acl allowed, query allowed
+n=$((n + 1))
+echo_i "test $n: zone acl allowed - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.aclallow.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.aclallow.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 48 - zone acl not allowed, query refused
+n=$((n + 1))
+echo_i "test $n: zone acl not allowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.aclnotallow.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.aclnotallow.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 49 - zone acl disallowed, query refused
+n=$((n + 1))
+echo_i "test $n: zone acl disallowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.acldisallow.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.acldisallow.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 50 - zone key allowed, query allowed
+n=$((n + 1))
+echo_i "test $n: zone key allowed - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 -y one:1234abcd8765 a.keyallow.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.keyallow.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 51 - zone key not allowed, query refused
+n=$((n + 1))
+echo_i "test $n: zone key not allowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 -y two:1234efgh8765 a.keyallow.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.keyallow.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 52 - zone key disallowed, query refused
+n=$((n + 1))
+echo_i "test $n: zone key disallowed - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 -y one:1234abcd8765 a.keydisallow.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.keydisallow.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 53 - zones over options, zones allow, query allowed
+n=$((n + 1))
+copy_setports ns2/named53.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views over options, views allow - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 54 - zones over options, zones disallow, query refused
+n=$((n + 1))
+copy_setports ns2/named54.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: views over options, views disallow - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 55 - zones over views, zones allow, query allowed
+n=$((n + 1))
+copy_setports ns2/named55.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: zones over views, views allow - query allowed"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 56 - zones over views, zones disallow, query refused
+n=$((n + 1))
+copy_setports ns2/named56.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: zones over views, views disallow - query refused"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 57 - zones over views, zones disallow, query refused (allow-query-on)
+n=$((n + 1))
+copy_setports ns2/named57.conf.in ns2/named.conf
+rndc_reload ns2 10.53.0.2
+
+echo_i "test $n: zones over views, allow-query-on"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.normal.example a > dig.out.ns2.1.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.1.$n > /dev/null || ret=1
+grep '^a.normal.example' dig.out.ns2.1.$n > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 a.aclnotallow.example a > dig.out.ns2.2.$n || ret=1
+grep 'status: REFUSED' dig.out.ns2.2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns2.2.$n > /dev/null || ret=1
+grep '^a.aclnotallow.example' dig.out.ns2.2.$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 58 - allow-recursion default
+n=$((n + 1))
+echo_i "test $n: default allow-recursion configuration"
+ret=0
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 -b 127.0.0.1 a.normal.example a > dig.out.ns3.1.$n
+grep 'status: NOERROR' dig.out.ns3.1.$n > /dev/null || ret=1
+$DIG -p ${PORT} @10.53.0.3 -b 10.53.0.1 a.normal.example a > dig.out.ns3.2.$n
+grep 'status: REFUSED' dig.out.ns3.2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns3.2.$n > /dev/null || ret=1
+nextpart ns3/named.run | grep 'allow-recursion did not match' > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 59 - allow-query-cache default
+n=$((n + 1))
+echo_i "test $n: default allow-query-cache configuration"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 -b 127.0.0.1 ns . > dig.out.ns3.1.$n
+grep 'status: NOERROR' dig.out.ns3.1.$n > /dev/null || ret=1
+$DIG -p ${PORT} @10.53.0.3 -b 10.53.0.1 ns . > dig.out.ns3.2.$n
+grep 'status: REFUSED' dig.out.ns3.2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns3.2.$n > /dev/null || ret=1
+nextpart ns3/named.run | grep 'allow-recursion did not match' > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 60 - block recursion-on, allow query-cache-on
+n=$((n + 1))
+copy_setports ns3/named2.conf.in ns3/named.conf
+rndc_reload ns3 10.53.0.3
+
+echo_i "test $n: block recursion-on, allow query-cache-on"
+ret=0
+# this should query the cache, and an answer should already be there
+$DIG -p ${PORT} @10.53.0.3 a.normal.example a > dig.out.ns3.1.$n
+grep 'recursion requested but not available' dig.out.ns3.1.$n > /dev/null || ret=1
+grep 'ANSWER: 1' dig.out.ns3.1.$n > /dev/null || ret=1
+# this should require recursion and therefore can't get an answer
+$DIG -p ${PORT} @10.53.0.3 b.normal.example a > dig.out.ns3.2.$n
+grep 'recursion requested but not available' dig.out.ns3.2.$n > /dev/null || ret=1
+grep 'ANSWER: 0' dig.out.ns3.2.$n > /dev/null || ret=1
+nextpart ns3/named.run | grep 'allow-recursion-on did not match' > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 61 - inheritance of allow-query-cache-on from allow-recursion-on
+n=$((n + 1))
+copy_setports ns3/named3.conf.in ns3/named.conf
+rndc_reload ns3 10.53.0.3
+
+echo_i "test $n: inheritance of allow-query-cache-on"
+ret=0
+# this should query the cache, an answer should already be there
+$DIG -p ${PORT} @10.53.0.3 a.normal.example a > dig.out.ns3.1.$n
+grep 'ANSWER: 1' dig.out.ns3.1.$n > /dev/null || ret=1
+# this should be refused due to allow-recursion-on/allow-query-cache-on
+$DIG -p ${PORT} @10.53.1.2 a.normal.example a > dig.out.ns3.2.$n
+grep 'recursion requested but not available' dig.out.ns3.2.$n > /dev/null || ret=1
+grep 'status: REFUSED' dig.out.ns3.2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns3.2.$n > /dev/null || ret=1
+# this should require recursion and should be allowed
+$DIG -p ${PORT} @10.53.0.3 c.normal.example a > dig.out.ns3.3.$n
+grep 'ANSWER: 1' dig.out.ns3.3.$n > /dev/null || ret=1
+# this should require recursion and be refused
+$DIG -p ${PORT} @10.53.1.2 d.normal.example a > dig.out.ns3.4.$n
+grep 'recursion requested but not available' dig.out.ns3.4.$n > /dev/null || ret=1
+grep 'status: REFUSED' dig.out.ns3.4.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns3.4.$n > /dev/null || ret=1
+nextpart ns3/named.run | grep 'allow-recursion-on did not match' > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 62 - inheritance of allow-recursion-on from allow-query-cache-on
+n=$((n + 1))
+copy_setports ns3/named4.conf.in ns3/named.conf
+rndc_reload ns3 10.53.0.3
+
+echo_i "test $n: inheritance of allow-recursion-on"
+ret=0
+# this should query the cache, an answer should already be there
+$DIG -p ${PORT} @10.53.0.3 a.normal.example a > dig.out.ns3.1.$n
+grep 'ANSWER: 1' dig.out.ns3.1.$n > /dev/null || ret=1
+# this should be refused due to allow-recursion-on/allow-query-cache-on
+$DIG -p ${PORT} @10.53.1.2 a.normal.example a > dig.out.ns3.2.$n
+grep 'recursion requested but not available' dig.out.ns3.2.$n > /dev/null || ret=1
+grep 'status: REFUSED' dig.out.ns3.2.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns3.2.$n > /dev/null || ret=1
+# this should require recursion and should be allowed
+$DIG -p ${PORT} @10.53.0.3 e.normal.example a > dig.out.ns3.3.$n
+grep 'ANSWER: 1' dig.out.ns3.3.$n > /dev/null || ret=1
+# this should require recursion and be refused
+$DIG -p ${PORT} @10.53.1.2 f.normal.example a > dig.out.ns3.4.$n
+grep 'recursion requested but not available' dig.out.ns3.4.$n > /dev/null || ret=1
+grep 'status: REFUSED' dig.out.ns3.4.$n > /dev/null || ret=1
+grep 'EDE: 18 (Prohibited)' dig.out.ns3.4.$n > /dev/null || ret=1
+nextpart ns3/named.run | grep 'allow-recursion-on did not match' > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/allow-query/tests_sh_allowquery.py b/bin/tests/system/allow-query/tests_sh_allowquery.py
new file mode 100644
index 0000000..ce20d79
--- /dev/null
+++ b/bin/tests/system/allow-query/tests_sh_allowquery.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_allowquery(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/ans.pl b/bin/tests/system/ans.pl
new file mode 100644
index 0000000..d42372d
--- /dev/null
+++ b/bin/tests/system/ans.pl
@@ -0,0 +1,534 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# This is the name server from hell.  It provides canned
+# responses based on pattern matching the queries, and
+# can be reprogrammed on-the-fly over a TCP connection.
+#
+# The server listens for queries on port 5300 (or PORT).
+#
+# The server listens for control connections on port 5301 (or EXTRAPORT1).
+#
+# A control connection is a TCP stream of lines like
+#
+#  /pattern/
+#  name ttl type rdata
+#  name ttl type rdata
+#  ...
+#  /pattern/
+#  name ttl type rdata
+#  name ttl type rdata
+#  ...
+#
+# There can be any number of patterns, each associated
+# with any number of response RRs.  Each pattern is a
+# Perl regular expression.  If an empty pattern ("//") is
+# received, the server will ignore all incoming queries (TCP
+# connections will still be accepted, but both UDP queries
+# and TCP queries will not be responded to).  If a non-empty
+# pattern is then received over the same control connection,
+# default behavior is restored.
+#
+# Each incoming query is converted into a string of the form
+# "qname qtype" (the printable query domain name, space,
+# printable query type) and matched against each pattern.
+#
+# The first pattern matching the query is selected, and
+# the RR following the pattern line are sent in the
+# answer section of the response.
+#
+# Each new control connection causes the current set of
+# patterns and responses to be cleared before adding new
+# ones.
+#
+# The server handles UDP and TCP queries.  Zone transfer
+# responses work, but must fit in a single 64 k message.
+#
+# Now you can add TSIG, just specify key/key data with:
+#
+#  /pattern <key> <key_data>/
+#  name ttl type rdata
+#  name ttl type rdata
+#
+#  Note that this data will still be sent with any request for
+#  pattern, only this data will be signed. Currently, this is only
+#  done for TCP.
+#
+# /pattern bad-id <key> <key_data>/
+# /pattern bad-id/
+#
+# will add 50 to the message id of the response.
+
+
+use IO::File;
+use IO::Socket;
+use Data::Dumper;
+use Net::DNS;
+use Net::DNS::Packet;
+use strict;
+
+# Ignore SIGPIPE so we won't fail if peer closes a TCP socket early
+local $SIG{PIPE} = 'IGNORE';
+
+# Flush logged output after every line
+local $| = 1;
+
+# We default to listening on 10.53.0.2 for historical reasons
+# XXX: we should also be able to specify IPv6
+my $server_addr = "10.53.0.2";
+if (@ARGV > 0) {
+	$server_addr = @ARGV[0];
+}
+
+my $mainport = int($ENV{'PORT'});
+if (!$mainport) { $mainport = 5300; }
+my $ctrlport = int($ENV{'EXTRAPORT1'});
+if (!$ctrlport) { $ctrlport = 5301; }
+
+# XXX: we should also be able to set the port numbers to listen on.
+my $ctlsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $ctrlport, Proto => "tcp", Listen => 5, Reuse => 1) or die "$!";
+
+my $udpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $mainport, Proto => "udp", Reuse => 1) or die "$!";
+
+my $tcpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $mainport, Proto => "tcp", Listen => 5, Reuse => 1) or die "$!";
+
+print "listening on $server_addr:$mainport,$ctrlport.\n";
+print "Using Net::DNS $Net::DNS::VERSION\n";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";;
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+#my @answers = ();
+my @rules;
+my $udphandler;
+my $tcphandler;
+
+sub handleUDP {
+	my ($buf) = @_;
+	my $request;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$request = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($request, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	my @questions = $request->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+	my $qclass = $questions[0]->qclass;
+	my $id = $request->header->id;
+
+	my $packet = new Net::DNS::Packet($qname, $qtype, $qclass);
+	$packet->header->qr(1);
+	$packet->header->aa(1);
+	$packet->header->id($id);
+
+	# get the existing signature if any, and clear the additional section
+	my $prev_tsig;
+	while (my $rr = $request->pop("additional")) {
+		$prev_tsig = $rr if ($rr->type eq "TSIG");
+	}
+
+	my $r;
+	foreach $r (@rules) {
+		my $pattern = $r->{pattern};
+		my($dbtype, $key_name, $key_data) = split(/ /,$pattern);
+		print "[handleUDP] $dbtype, $key_name, $key_data\n";
+		if ("$qname $qtype" =~ /$dbtype/) {
+			my $a;
+			foreach $a (@{$r->{answer}}) {
+				$packet->push("answer", $a);
+			}
+			if (defined($key_name) && defined($key_data)) {
+				my $tsig;
+				# Sign the packet
+				print "  Signing the response with " .
+				      "$key_name/$key_data\n";
+
+				if ($Net::DNS::VERSION < 0.69) {
+					$tsig = Net::DNS::RR->new(
+						   "$key_name TSIG $key_data");
+				} else {
+					$tsig = Net::DNS::RR->new(
+							name => $key_name,
+							type => 'TSIG',
+							key  => $key_data);
+				}
+
+				# These kluges are necessary because Net::DNS
+				# doesn't know how to sign responses.  We
+				# clear compnames so that the TSIG key and
+				# algorithm name won't be compressed, and
+				# add one to arcount because the signing
+				# function will attempt to decrement it,
+				# which is incorrect in a response. Finally
+				# we set request_mac to the previous digest.
+				$packet->{"compnames"} = {}
+					if ($Net::DNS::VERSION < 0.70);
+				$packet->{"header"}{"arcount"} += 1
+					if ($Net::DNS::VERSION < 0.70);
+				if (defined($prev_tsig)) {
+					if ($Net::DNS::VERSION < 0.73) {
+						my $rmac = pack('n H*',
+							length($prev_tsig->mac)/2,
+							$prev_tsig->mac);
+						$tsig->{"request_mac"} =
+							unpack("H*", $rmac);
+					} else {
+						$tsig->request_mac(
+							 $prev_tsig->mac);
+					}
+				}
+
+				$packet->sign_tsig($tsig);
+			}
+			last;
+		}
+	}
+	#$packet->print;
+
+	return $packet->data;
+}
+
+# namelen:
+# given a stream of data, reads a DNS-formatted name and returns its
+# total length, thus making it possible to skip past it.
+sub namelen {
+	my ($data) = @_;
+	my $len = 0;
+	my $label_len = 0;
+	do {
+		$label_len = unpack("c", $data);
+		$data = substr($data, $label_len + 1);
+		$len += $label_len + 1;
+	} while ($label_len != 0);
+	return ($len);
+}
+
+# packetlen:
+# given a stream of data, reads a DNS wire-format packet and returns
+# its total length, making it possible to skip past it.
+sub packetlen {
+	my ($data) = @_;
+	my $q;
+	my $rr;
+	my $header;
+	my $offset;
+
+	#
+	# decode/encode were introduced in Net::DNS 0.68
+	# parse is no longer a method and calling it here makes perl croak.
+	#
+	my $decode = 0;
+	$decode = 1 if ($Net::DNS::VERSION >= 0.68);
+
+	if ($decode) {
+		($header, $offset) = Net::DNS::Header->decode(\$data);
+	} else {
+		($header, $offset) = Net::DNS::Header->parse(\$data);
+	}
+
+	for (1 .. $header->qdcount) {
+		if ($decode) {
+			($q, $offset) =
+				 Net::DNS::Question->decode(\$data, $offset);
+		} else {
+			($q, $offset) =
+				 Net::DNS::Question->parse(\$data, $offset);
+		}
+	}
+	for (1 .. $header->ancount) {
+		if ($decode) {
+			($q, $offset) = Net::DNS::RR->decode(\$data, $offset);
+		} else {
+			($q, $offset) = Net::DNS::RR->parse(\$data, $offset);
+		}
+	}
+	for (1 .. $header->nscount) {
+		if ($decode) {
+			($q, $offset) = Net::DNS::RR->decode(\$data, $offset);
+		} else {
+			($q, $offset) = Net::DNS::RR->parse(\$data, $offset);
+		}
+	}
+	for (1 .. $header->arcount) {
+		if ($decode) {
+			($q, $offset) = Net::DNS::RR->decode(\$data, $offset);
+		} else {
+			($q, $offset) = Net::DNS::RR->parse(\$data, $offset);
+		}
+	}
+	return $offset;
+}
+
+# sign_tcp_continuation:
+# This is a hack to correct the problem that Net::DNS has no idea how
+# to sign multiple-message TCP responses.  Several data that are included
+# in the digest when signing a query or the first message of a response are
+# omitted when signing subsequent messages in a TCP stream.
+#
+# Net::DNS::Packet->sign_tsig() has the ability to use a custom signing
+# function (specified by calling Packet->sign_func()).  We use this
+# function as the signing function for TCP continuations, and it removes
+# the unwanted data from the digest before calling the default sign_hmac
+# function.
+sub sign_tcp_continuation {
+	my ($key, $data) = @_;
+
+	# copy out first two bytes: size of the previous MAC
+	my $rmacsize = unpack("n", $data);
+	$data = substr($data, 2);
+
+	# copy out previous MAC
+	my $rmac = substr($data, 0, $rmacsize);
+	$data = substr($data, $rmacsize);
+
+	# try parsing out the packet information
+	my $plen = packetlen($data);
+	my $pdata = substr($data, 0, $plen);
+	$data = substr($data, $plen);
+
+	# remove the keyname, ttl, class, and algorithm name
+	$data = substr($data, namelen($data));
+	$data = substr($data, 6);
+	$data = substr($data, namelen($data));
+
+	# preserve the TSIG data
+	my $tdata = substr($data, 0, 8);
+
+	# prepare a new digest and sign with it
+	$data = pack("n", $rmacsize) . $rmac . $pdata . $tdata;
+	return Net::DNS::RR::TSIG::sign_hmac($key, $data);
+}
+
+sub handleTCP {
+	my ($buf) = @_;
+	my $request;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$request = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($request, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	my @questions = $request->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+	my $qclass = $questions[0]->qclass;
+	my $id = $request->header->id;
+
+	my $opaque;
+
+	my $packet = new Net::DNS::Packet($qname, $qtype, $qclass);
+	$packet->header->qr(1);
+	$packet->header->aa(1);
+	$packet->header->id($id);
+
+	# get the existing signature if any, and clear the additional section
+	my $prev_tsig;
+	my $signer;
+	my $continuation = 0;
+	if ($Net::DNS::VERSION < 0.81) {
+		while (my $rr = $request->pop("additional")) {
+			if ($rr->type eq "TSIG") {
+				$prev_tsig = $rr;
+			}
+		}
+	}
+
+	my @results = ();
+	my $count_these = 0;
+
+	my $r;
+	foreach $r (@rules) {
+		my $pattern = $r->{pattern};
+		my($dbtype, $key_name, $key_data, $tname) = split(/ /,$pattern);
+		print "[handleTCP] $dbtype, $key_name, $key_data, $tname \n";
+		if ("$qname $qtype" =~ /$dbtype/) {
+			$count_these++;
+			my $a;
+			foreach $a (@{$r->{answer}}) {
+				$packet->push("answer", $a);
+			}
+			if (defined($key_name) && $key_name eq "bad-id") {
+				$packet->header->id(($id+50)%0xffff);
+				$key_name = $key_data;
+				($key_data, $tname) = split(/ /,$tname)
+			}
+			if (defined($key_name) && defined($key_data)) {
+				my $tsig;
+				# sign the packet
+				print "  Signing the data with " .
+				      "$key_name/$key_data\n";
+
+				if ($Net::DNS::VERSION < 0.69) {
+					$tsig = Net::DNS::RR->new(
+						   "$key_name TSIG $key_data");
+				} elsif ($Net::DNS::VERSION >= 0.81 &&
+					 $continuation) {
+				} elsif ($Net::DNS::VERSION >= 0.75 &&
+					 $continuation) {
+					$tsig = $prev_tsig;
+				} else {
+					$tsig = Net::DNS::RR->new(
+							name => $key_name,
+							type => 'TSIG',
+							key  => $key_data);
+				}
+
+				# These kluges are necessary because Net::DNS
+				# doesn't know how to sign responses.  We
+				# clear compnames so that the TSIG key and
+				# algorithm name won't be compressed, and
+				# add one to arcount because the signing
+				# function will attempt to decrement it,
+				# which is incorrect in a response. Finally
+				# we set request_mac to the previous digest.
+				$packet->{"compnames"} = {}
+					if ($Net::DNS::VERSION < 0.70);
+				$packet->{"header"}{"arcount"} += 1
+					if ($Net::DNS::VERSION < 0.70);
+				if (defined($prev_tsig)) {
+					if ($Net::DNS::VERSION < 0.73) {
+						my $rmac = pack('n H*',
+							length($prev_tsig->mac)/2,
+							$prev_tsig->mac);
+						$tsig->{"request_mac"} =
+							unpack("H*", $rmac);
+					} elsif ($Net::DNS::VERSION < 0.81) {
+						$tsig->request_mac(
+							 $prev_tsig->mac);
+					}
+				}
+
+				$tsig->sign_func($signer) if defined($signer);
+				$tsig->continuation($continuation) if
+					 ($Net::DNS::VERSION >= 0.71 &&
+					  $Net::DNS::VERSION <= 0.74 );
+				if ($Net::DNS::VERSION < 0.81) {
+					$packet->sign_tsig($tsig);
+				} elsif ($continuation) {
+					$opaque = $packet->sign_tsig($opaque);
+				} else {
+					$opaque = $packet->sign_tsig($request);
+				}
+				$signer = \&sign_tcp_continuation
+					if ($Net::DNS::VERSION < 0.70);
+				$continuation = 1;
+
+				my $copy =
+					Net::DNS::Packet->new(\($packet->data));
+				$prev_tsig = $copy->pop("additional");
+			}
+			#$packet->print;
+			push(@results,$packet->data);
+			if ($tname eq "") {
+				$tname = $qname;
+			}
+			$packet = new Net::DNS::Packet($tname, $qtype, $qclass);
+			$packet->header->qr(1);
+			$packet->header->aa(1);
+			$packet->header->id($id);
+		}
+	}
+	print " A total of $count_these patterns matched\n";
+	return \@results;
+}
+
+# Main
+my $rin;
+my $rout;
+for (;;) {
+	$rin = '';
+	vec($rin, fileno($ctlsock), 1) = 1;
+	vec($rin, fileno($tcpsock), 1) = 1;
+	vec($rin, fileno($udpsock), 1) = 1;
+
+	select($rout = $rin, undef, undef, undef);
+
+	if (vec($rout, fileno($ctlsock), 1)) {
+		warn "ctl conn";
+		my $conn = $ctlsock->accept;
+		my $rule = ();
+		@rules = ();
+		while (my $line = $conn->getline) {
+			chomp $line;
+			if ($line =~ m!^/(.*)/$!) {
+				if (length($1) == 0) {
+					$udphandler = sub { return; };
+					$tcphandler = sub { return; };
+				} else {
+					$udphandler = \&handleUDP;
+					$tcphandler = \&handleTCP;
+					$rule = { pattern => $1, answer => [] };
+					push(@rules, $rule);
+				}
+			} else {
+				push(@{$rule->{answer}},
+				     new Net::DNS::RR($line));
+			}
+		}
+		$conn->close;
+		#print Dumper(@rules);
+		#print "+=+=+ $rules[0]->{'pattern'}\n";
+		#print "+=+=+ $rules[0]->{'answer'}->[0]->{'rname'}\n";
+		#print "+=+=+ $rules[0]->{'answer'}->[0]\n";
+	} elsif (vec($rout, fileno($udpsock), 1)) {
+		printf "UDP request\n";
+		my $buf;
+		$udpsock->recv($buf, 512);
+		my $result = &$udphandler($buf);
+		if (defined($result)) {
+			my $num_chars = $udpsock->send($result);
+			print "  Sent $num_chars bytes via UDP\n";
+		}
+	} elsif (vec($rout, fileno($tcpsock), 1)) {
+		my $conn = $tcpsock->accept;
+		my $buf;
+		for (;;) {
+			my $lenbuf;
+			my $n = $conn->sysread($lenbuf, 2);
+			last unless $n == 2;
+			my $len = unpack("n", $lenbuf);
+			$n = $conn->sysread($buf, $len);
+			last unless $n == $len;
+			print "TCP request\n";
+			my $result = &$tcphandler($buf);
+			if (defined($result)) {
+				foreach my $response (@$result) {
+					$len = length($response);
+					$n = $conn->syswrite(pack("n", $len), 2);
+					$n = $conn->syswrite($response, $len);
+					print "    Sent: $n chars via TCP\n";
+				}
+			}
+		}
+		$conn->close;
+	}
+}
diff --git a/bin/tests/system/auth/clean.sh b/bin/tests/system/auth/clean.sh
new file mode 100644
index 0000000..5fb37ac
--- /dev/null
+++ b/bin/tests/system/auth/clean.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */named.memstats
+rm -f */named.run
+rm -f */named.conf
+rm -f dig.out.test*
+rm -f ns2/example.com.bk
+rm -f ns2/example.net.bk
+rm -f ns*/managed-keys.bind* ns*/*mkeys*
diff --git a/bin/tests/system/auth/ns1/chaos.db b/bin/tests/system/auth/ns1/chaos.db
new file mode 100644
index 0000000..bbd489a
--- /dev/null
+++ b/bin/tests/system/auth/ns1/chaos.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			CH SOA  ns root (
+				2018010100 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	ch-addr.example. 1001
+test 			A	ch-addr.example. 1002
+			A	ch-addr.example. 1003
diff --git a/bin/tests/system/auth/ns1/example.com.db b/bin/tests/system/auth/ns1/example.com.db
new file mode 100644
index 0000000..6768895
--- /dev/null
+++ b/bin/tests/system/auth/ns1/example.com.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300        ; 5 minutes
+@                       IN SOA  ns root (
+				2018010100 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS      ns
+ns                      A       10.53.0.1
+www			CNAME	server.example.net.
+inzone			CNAME	a.example.com.
+a			A	10.53.0.1
+dname			DNAME	@
diff --git a/bin/tests/system/auth/ns1/example.net.db b/bin/tests/system/auth/ns1/example.net.db
new file mode 100644
index 0000000..29885ca
--- /dev/null
+++ b/bin/tests/system/auth/ns1/example.net.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300        ; 5 minutes
+@                       IN SOA  ns root (
+				2018010100 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS      ns
+ns                      A       10.53.0.1
+server			A	10.53.0.100
diff --git a/bin/tests/system/auth/ns1/named.conf.in b/bin/tests/system/auth/ns1/named.conf.in
new file mode 100644
index 0000000..9d0a517
--- /dev/null
+++ b/bin/tests/system/auth/ns1/named.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+view main in {
+	zone example.net {
+		type primary;
+		file "example.net.db";
+	};
+
+	zone example.com {
+		type primary;
+		file "example.com.db";
+	};
+};
+
+view alt chaos {
+	zone example.chaos chaos {
+		type primary;
+		file "chaos.db";
+	};
+};
diff --git a/bin/tests/system/auth/ns2/named.conf.in b/bin/tests/system/auth/ns2/named.conf.in
new file mode 100644
index 0000000..9b82c50
--- /dev/null
+++ b/bin/tests/system/auth/ns2/named.conf.in
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation no;
+};
+
+zone example.net {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "example.net.bk";
+};
+
+zone example.com {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "example.com.bk";
+};
diff --git a/bin/tests/system/auth/setup.sh b/bin/tests/system/auth/setup.sh
new file mode 100644
index 0000000..6929ec5
--- /dev/null
+++ b/bin/tests/system/auth/setup.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
diff --git a/bin/tests/system/auth/tests.sh b/bin/tests/system/auth/tests.sh
new file mode 100644
index 0000000..6cd4a27
--- /dev/null
+++ b/bin/tests/system/auth/tests.sh
@@ -0,0 +1,192 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp -p ${PORT}"
+
+status=0
+n=0
+
+n=$((n + 1))
+echo_i "wait for zones to finish transferring to ns2 ($n)"
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+  ret=0
+  for zone in example.com example.net
+  do
+    $DIG $DIGOPTS @10.53.0.2 soa $zone > dig.out.test$n || ret=1
+    grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+  done
+  [ $ret -eq 0 ] && break
+  sleep 1
+done
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+#
+# If recursion is unrequested or unavailable, then cross-zone CNAME records
+# should not be followed. If both requested and available, they should be.
+#
+n=$((n + 1))
+echo_i "check that cross-zone CNAME record does not return target data (rd=0/ra=0) ($n)"
+ret=0
+$DIG $DIGOPTS +norec @10.53.0.1 www.example.com > dig.out.test$n || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "flags: qr aa;" dig.out.test$n > /dev/null || ret=1
+grep "www.example.com.*CNAME.*server.example.net" dig.out.test$n > /dev/null || ret=1
+grep "server.example.net.*A.*10.53.0.100" dig.out.test$n > /dev/null && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that cross-zone CNAME record does not return target data (rd=1/ra=0) ($n)"
+ret=0
+$DIG $DIGOPTS +rec @10.53.0.1 www.example.com > dig.out.test$n || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "flags: qr aa rd;" dig.out.test$n > /dev/null || ret=1
+grep "www.example.com.*CNAME.*server.example.net" dig.out.test$n > /dev/null || ret=1
+grep "server.example.net.*A.*10.53.0.100" dig.out.test$n > /dev/null && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that cross-zone CNAME record does not return target data (rd=0/ra=1) ($n)"
+ret=0
+$DIG $DIGOPTS +norec @10.53.0.2 www.example.com > dig.out.test$n || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "flags: qr aa ra;" dig.out.test$n > /dev/null || ret=1
+grep "www.example.com.*CNAME.*server.example.net" dig.out.test$n > /dev/null || ret=1
+grep "server.example.net.*A.*10.53.0.100" dig.out.test$n > /dev/null && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that cross-zone CNAME records return target data (rd=1/ra=1) ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 www.example.com > dig.out.test$n || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "flags: qr aa rd ra;" dig.out.test$n > /dev/null || ret=1
+grep "www.example.com.*CNAME.*server.example.net" dig.out.test$n > /dev/null || ret=1
+grep "server.example.net.*A.*10.53.0.100" dig.out.test$n > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+#
+# In-zone CNAME records should always be followed regardless of RD and RA.
+#
+n=$((n + 1))
+echo_i "check that in-zone CNAME records return target data (rd=0/ra=0) ($n)"
+ret=0
+$DIG $DIGOPTS +norec @10.53.0.1 inzone.example.com > dig.out.test$n || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "flags: qr aa;" dig.out.test$n > /dev/null || ret=1
+grep "inzone.example.com.*CNAME.*a.example.com" dig.out.test$n > /dev/null || ret=1
+grep "a.example.com.*A.*10.53.0.1" dig.out.test$n > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that in-zone CNAME records returns target data (rd=1/ra=0) ($n)"
+ret=0
+$DIG $DIGOPTS +rec @10.53.0.1 inzone.example.com > dig.out.test$n || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "flags: qr aa rd;" dig.out.test$n > /dev/null || ret=1
+grep "inzone.example.com.*CNAME.*a.example.com" dig.out.test$n > /dev/null || ret=1
+grep "a.example.com.*A.*10.53.0.1" dig.out.test$n > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that in-zone CNAME records return target data (rd=0/ra=1) ($n)"
+ret=0
+$DIG $DIGOPTS +norec @10.53.0.2 inzone.example.com > dig.out.test$n || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "flags: qr aa ra;" dig.out.test$n > /dev/null || ret=1
+grep "inzone.example.com.*CNAME.*a.example.com" dig.out.test$n > /dev/null || ret=1
+grep "a.example.com.*A.*10.53.0.1" dig.out.test$n > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that in-zone CNAME records return target data (rd=1/ra=1) ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 inzone.example.com > dig.out.test$n || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "flags: qr aa rd ra;" dig.out.test$n > /dev/null || ret=1
+grep "inzone.example.com.*CNAME.*a.example.com" dig.out.test$n > /dev/null || ret=1
+grep "a.example.com.*A.*10.53.0.1" dig.out.test$n > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that in-zone CNAME records does not return target data when QTYPE is CNAME (rd=1/ra=1) ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -t cname inzone.example.com > dig.out.test$n || ret=1
+grep 'ANSWER: 1,' dig.out.test$n > /dev/null || ret=1
+grep 'flags: qr aa rd ra;' dig.out.test$n > /dev/null || ret=1
+grep 'inzone\.example\.com\..*CNAME.a\.example\.com\.' dig.out.test$n > /dev/null || ret=1
+grep 'a\.example\.com\..*A.10\.53\.0\.1' dig.out.test$n > /dev/null && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that in-zone CNAME records does not return target data when QTYPE is ANY (rd=1/ra=1) ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -t any inzone.example.com > dig.out.test$n || ret=1
+grep 'ANSWER: 1,' dig.out.test$n > /dev/null || ret=1
+grep 'flags: qr aa rd ra;' dig.out.test$n > /dev/null || ret=1
+grep 'inzone\.example\.com\..*CNAME.a\.example\.com\.' dig.out.test$n > /dev/null || ret=1
+grep 'a\.example\.com\..*A.10\.53\.0\.1' dig.out.test$n > /dev/null && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that in-zone DNAME records does not return target data when QTYPE is CNAME (rd=1/ra=1) ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -t cname inzone.dname.example.com > dig.out.test$n || ret=1
+grep 'ANSWER: 2,' dig.out.test$n > /dev/null || ret=1
+grep 'flags: qr aa rd ra;' dig.out.test$n > /dev/null || ret=1
+grep 'dname\.example\.com\..*DNAME.example\.com\.' dig.out.test$n > /dev/null || ret=1
+grep 'inzone\.dname\.example\.com\..*CNAME.inzone\.example\.com\.' dig.out.test$n > /dev/null || ret=1
+grep 'inzone\.example\.com\..*CNAME.a\.example\.com\.' dig.out.test$n > /dev/null && ret=1
+grep 'a\.example\.com\..*A.10\.53\.0\.1' dig.out.test$n > /dev/null && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that in-zone DNAME records does not return target data when QTYPE is ANY (rd=1/ra=1) ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -t any inzone.dname.example.com > dig.out.test$n || ret=1
+grep 'ANSWER: 2,' dig.out.test$n > /dev/null || ret=1
+grep 'flags: qr aa rd ra;' dig.out.test$n > /dev/null || ret=1
+grep 'dname\.example\.com\..*DNAME.example\.com\.' dig.out.test$n > /dev/null || ret=1
+grep 'inzone\.dname\.example\.com\..*CNAME.inzone\.example\.com\.' dig.out.test$n > /dev/null || ret=1
+grep 'inzone\.example\.com.*CNAME.a\.example\.com\.' dig.out.test$n > /dev/null && ret=1
+grep 'a\.example\.com.*A.10\.53\.0\.1' dig.out.test$n > /dev/null && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that CHAOS addresses are compared correctly ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 +noall +answer ch test.example.chaos > dig.out.test$n
+lines=$(wc -l < dig.out.test$n)
+[ ${lines:-0} -eq 2 ] || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/auth/tests_sh_auth.py b/bin/tests/system/auth/tests_sh_auth.py
new file mode 100644
index 0000000..97233fa
--- /dev/null
+++ b/bin/tests/system/auth/tests_sh_auth.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_auth(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/autosign/clean.sh b/bin/tests/system/autosign/clean.sh
new file mode 100644
index 0000000..ef67677
--- /dev/null
+++ b/bin/tests/system/autosign/clean.sh
@@ -0,0 +1,75 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */K* */dsset-* */*.signed */tmp* */*.jnl */*.bk
+rm -f */core
+rm -f */example.bk
+rm -f */named.conf
+rm -f */named.memstats
+rm -f */named.run*
+rm -f */trusted.conf */private.conf
+rm -f activate-now-publish-1day.key
+rm -f active.key inact.key del.key delzsk.key unpub.key standby.key rev.key
+rm -f delayksk.key delayzsk.key autoksk.key autozsk.key
+rm -f dig.out.*
+rm -f digcomp.out.test*
+rm -f noksk-ksk.key nozsk-ksk.key nozsk-zsk.key inaczsk-zsk.key inaczsk-ksk.key
+rm -f nopriv.key vanishing.key del1.key del2.key
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.lock
+rm -f ns1/root.db
+rm -f ns2/example.db
+rm -f ns2/optout-with-ent.db
+rm -f ns2/private.secure.example.db ns2/bar.db
+rm -f ns3/*.nzd ns3/*.nzd-lock ns3/*.nzf
+rm -f ns3/*.nzf
+rm -f ns3/autonsec3.example.db
+rm -f ns3/cdnskey-delete.example.db
+rm -f ns3/cds-delete.example.db
+rm -f ns3/delzsk.example.db
+rm -f ns3/dname-at-apex-nsec3.example.db
+rm -f ns3/inacksk2.example.db
+rm -f ns3/inacksk3.example.db
+rm -f ns3/inaczsk2.example.db
+rm -f ns3/inaczsk3.example.db
+rm -f ns3/jitter.nsec3.example.db
+rm -f ns3/kg.out ns3/s.out ns3/st.out
+rm -f ns3/kskonly.example.db
+rm -f ns3/named.ns3.prev
+rm -f ns3/noksk.example.db
+rm -f ns3/nozsk.example.db ns3/inaczsk.example.db
+rm -f ns3/nsec-only.example.db
+rm -f ns3/nsec3-to-nsec.example.db
+rm -f ns3/nsec3.example.db
+rm -f ns3/nsec3.nsec3.example.db
+rm -f ns3/nsec3.optout.example.db
+rm -f ns3/oldsigs.example.db
+rm -f ns3/optout.example.db
+rm -f ns3/optout.nsec3.example.db
+rm -f ns3/optout.optout.example.db
+rm -f ns3/prepub.example.db
+rm -f ns3/prepub.example.db.in
+rm -f ns3/reconf.example.db
+rm -f ns3/rsasha256.example.db ns3/rsasha512.example.db
+rm -f ns3/secure-to-insecure.example.db
+rm -f ns3/secure-to-insecure2.example.db
+rm -f ns3/secure.example.db
+rm -f ns3/secure.nsec3.example.db
+rm -f ns3/secure.optout.example.db
+rm -f ns3/settime.out.*
+rm -f ns3/sync.example.db
+rm -f ns3/ttl*.db
+rm -f nsupdate.out
+rm -f settime.out.*
+rm -f signing.out.*
+rm -f sync.key
diff --git a/bin/tests/system/autosign/ns1/keygen.sh b/bin/tests/system/autosign/ns1/keygen.sh
new file mode 100644
index 0000000..6b969c3
--- /dev/null
+++ b/bin/tests/system/autosign/ns1/keygen.sh
@@ -0,0 +1,53 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=.
+zonefile=root.db
+infile=root.db.in
+
+(cd ../ns2 && $SHELL keygen.sh )
+
+cat $infile ../ns2/dsset-example. ../ns2/dsset-bar. > $zonefile
+
+zskact=$($KEYGEN -3 -a ${DEFAULT_ALGORITHM} -q $zone)
+zskvanish=$($KEYGEN -3 -a ${DEFAULT_ALGORITHM} -q $zone)
+zskdel=$($KEYGEN -3 -a ${DEFAULT_ALGORITHM} -q -D now $zone)
+zskinact=$($KEYGEN -3 -a ${DEFAULT_ALGORITHM} -q -I now $zone)
+zskunpub=$($KEYGEN -3 -a ${DEFAULT_ALGORITHM} -q -G $zone)
+zsksby=$($KEYGEN -3 -a ${DEFAULT_ALGORITHM} -q -A none $zone)
+zskactnowpub1d=$($KEYGEN -3 -a ${DEFAULT_ALGORITHM} -q -A now -P +1d $zone)
+zsknopriv=$($KEYGEN -3 -a ${DEFAULT_ALGORITHM} -q $zone)
+rm $zsknopriv.private
+
+ksksby=$($KEYGEN -3 -a ${DEFAULT_ALGORITHM} -q -P now -A now+15s -fk $zone)
+kskrev=$($KEYGEN -3 -a ${DEFAULT_ALGORITHM} -q -R now+15s -fk $zone)
+
+keyfile_to_static_ds $ksksby > trusted.conf
+cp trusted.conf ../ns2/trusted.conf
+cp trusted.conf ../ns3/trusted.conf
+cp trusted.conf ../ns4/trusted.conf
+
+keyfile_to_static_ds $kskrev > trusted.conf
+cp trusted.conf ../ns5/trusted.conf
+
+echo $zskact > ../active.key
+echo $zskvanish > ../vanishing.key
+echo $zskdel > ../del.key
+echo $zskinact > ../inact.key
+echo $zskunpub > ../unpub.key
+echo $zsknopriv > ../nopriv.key
+echo $zsksby > ../standby.key
+echo $zskactnowpub1d > ../activate-now-publish-1day.key
+$REVOKE -R $kskrev > ../rev.key
diff --git a/bin/tests/system/autosign/ns1/named.conf.in b/bin/tests/system/autosign/ns1/named.conf.in
new file mode 100644
index 0000000..2a55483
--- /dev/null
+++ b/bin/tests/system/autosign/ns1/named.conf.in
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+	allow-transfer { any; };
+	allow-query { any; };
+	allow-update { any; };
+	auto-dnssec maintain;
+	dnssec-dnskey-kskonly no;
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/autosign/ns1/root.db.in b/bin/tests/system/autosign/ns1/root.db.in
new file mode 100644
index 0000000..6715a02
--- /dev/null
+++ b/bin/tests/system/autosign/ns1/root.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 30
+. 			IN SOA	a.root.servers.nil. each.isc.org. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+.                       TXT     "root zone"
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+bar.			NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/autosign/ns2/Xbar.+013+59973.key b/bin/tests/system/autosign/ns2/Xbar.+013+59973.key
new file mode 100644
index 0000000..1f4d1f4
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/Xbar.+013+59973.key
@@ -0,0 +1,5 @@
+; This is a key-signing key, keyid 59973, for bar.
+; Created: 20220623022335 (Thu Jun 23 12:23:35 2022)
+; Publish: 20220623022335 (Thu Jun 23 12:23:35 2022)
+; Activate: 20220623022335 (Thu Jun 23 12:23:35 2022)
+bar. IN DNSKEY 257 3 13 QT6CpMaV4BT072+NaKLY5H01Mj2r1MOgsxgoiTAq1Fbf6rrkEWpnbktu Dh9Ol9kuzcUrefxDuxNwsXJu3iDPxw==
diff --git a/bin/tests/system/autosign/ns2/Xbar.+013+59973.private b/bin/tests/system/autosign/ns2/Xbar.+013+59973.private
new file mode 100644
index 0000000..708d242
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/Xbar.+013+59973.private
@@ -0,0 +1,6 @@
+Private-key-format: v1.3
+Algorithm: 13 (ECDSAP256SHA256)
+PrivateKey: joFZ8vCdyqkgMb6rZ0zanrdrzOSCg1GyEJV6tp5F+Bw=
+Created: 20220623022335
+Publish: 20220623022335
+Activate: 20220623022335
diff --git a/bin/tests/system/autosign/ns2/Xbar.+013+60101.key b/bin/tests/system/autosign/ns2/Xbar.+013+60101.key
new file mode 100644
index 0000000..0c47840
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/Xbar.+013+60101.key
@@ -0,0 +1,5 @@
+; This is a key-signing key, keyid 60101, for bar.
+; Created: 20220623022331 (Thu Jun 23 12:23:31 2022)
+; Publish: 20220623022331 (Thu Jun 23 12:23:31 2022)
+; Activate: 20220623022331 (Thu Jun 23 12:23:31 2022)
+bar. IN DNSKEY 257 3 13 dLGGOAE5uJd53Gci9MdymaRTMwsXVn13j05IfGJoVt9ucpeXpoIKVViX JNVE/uO4eJvkHycdEAvdVUWcslEmMQ==
diff --git a/bin/tests/system/autosign/ns2/Xbar.+013+60101.private b/bin/tests/system/autosign/ns2/Xbar.+013+60101.private
new file mode 100644
index 0000000..6ca8370
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/Xbar.+013+60101.private
@@ -0,0 +1,6 @@
+Private-key-format: v1.3
+Algorithm: 13 (ECDSAP256SHA256)
+PrivateKey: pTTXxZUTzeVBXHMUJxTMxjh9yU4oxDtEhEvpkj+olf0=
+Created: 20220623022331
+Publish: 20220623022331
+Activate: 20220623022331
diff --git a/bin/tests/system/autosign/ns2/bar.db.in b/bin/tests/system/autosign/ns2/bar.db.in
new file mode 100644
index 0000000..8a9fa98
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/bar.db.in
@@ -0,0 +1,80 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			NS	ns3
+ns2			A	10.53.0.2
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+
+; Used for testing ANY queries
+foo			TXT	"testing"
+foo			A	10.0.1.0
+
+; Used for testing CNAME queries
+cname1			CNAME	cname1-target
+cname1-target		TXT	"testing cname"
+
+cname2			CNAME	cname2-target
+cname2-target		TXT	"testing cname"
+
+; Used for testing DNAME queries
+dname1			DNAME	dname1-target
+foo.dname1-target	TXT	"testing dname"
+
+dname2			DNAME	dname2-target
+foo.dname2-target	TXT	"testing dname"
+
+; A secure subdomain
+secure			NS	ns.secure
+ns.secure		A	10.53.0.3
+
+; An insecure subdomain
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.3
+
+; A insecure subdomain
+mustbesecure		NS	ns.mustbesecure
+ns.mustbesecure		A	10.53.0.3
+
+z			A	10.0.0.26
+
+nsec3			NS	ns.nsec3
+ns.nsec3		A	10.53.0.3
+
+optout			NS	ns.optout
+ns.optout		A	10.53.0.3
+
+nsec3-unknown		NS	ns.nsec3-unknown
+ns.nsec3-unknown	A	10.53.0.3
+
+optout-unknown		NS	ns.optout-unknown
+ns.optout-unknown	A	10.53.0.3
+
+multiple		NS	ns.multiple
+ns.multiple		A	10.53.0.3
+
+rsasha256		NS	ns.rsasha256
+ns.rsasha256		A	10.53.0.3
+
+rsasha512		NS	ns.rsasha512
+ns.rsasha512		A	10.53.0.3
diff --git a/bin/tests/system/autosign/ns2/child.nsec3.example.db b/bin/tests/system/autosign/ns2/child.nsec3.example.db
new file mode 100644
index 0000000..8fc3bc8
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/child.nsec3.example.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2006081400 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@			IN NS	ns2.example.
diff --git a/bin/tests/system/autosign/ns2/child.optout.example.db b/bin/tests/system/autosign/ns2/child.optout.example.db
new file mode 100644
index 0000000..8fc3bc8
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/child.optout.example.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2006081400 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@			IN NS	ns2.example.
diff --git a/bin/tests/system/autosign/ns2/dst.example.db.in b/bin/tests/system/autosign/ns2/dst.example.db.in
new file mode 100644
index 0000000..0039484
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/dst.example.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2.example.
+a			A	10.0.0.1
diff --git a/bin/tests/system/autosign/ns2/example.db.in b/bin/tests/system/autosign/ns2/example.db.in
new file mode 100644
index 0000000..a970074
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/example.db.in
@@ -0,0 +1,88 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			NS	ns3
+ns2			A	10.53.0.2
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+
+; Used for testing ANY queries
+foo			TXT	"testing"
+foo			A	10.0.1.0
+
+; Used for testing CNAME queries
+cname1			CNAME	cname1-target
+cname1-target		TXT	"testing cname"
+
+cname2			CNAME	cname2-target
+cname2-target		TXT	"testing cname"
+
+; Used for testing DNAME queries
+dname1			DNAME	dname1-target
+foo.dname1-target	TXT	"testing dname"
+
+dname2			DNAME	dname2-target
+foo.dname2-target	TXT	"testing dname"
+
+; A secure subdomain
+secure			NS	ns.secure
+ns.secure		A	10.53.0.3
+
+; An insecure subdomain
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.3
+
+; A insecure subdomain
+mustbesecure		NS	ns.mustbesecure
+ns.mustbesecure		A	10.53.0.3
+
+z			A	10.0.0.26
+
+nsec3			NS	ns.nsec3
+ns.nsec3		A	10.53.0.3
+
+optout			NS	ns.optout
+ns.optout		A	10.53.0.3
+
+nsec3-unknown		NS	ns.nsec3-unknown
+ns.nsec3-unknown	A	10.53.0.3
+
+optout-unknown		NS	ns.optout-unknown
+ns.optout-unknown	A	10.53.0.3
+
+multiple		NS	ns.multiple
+ns.multiple		A	10.53.0.3
+
+rsasha256		NS	ns.rsasha256
+ns.rsasha256		A	10.53.0.3
+
+rsasha512		NS	ns.rsasha512
+ns.rsasha512		A	10.53.0.3
+
+nsec3-to-nsec		NS	ns.nsec3-to-nsec
+ns.nsec3-to-nsec	A	10.53.0.3
+
+oldsigs			NS	ns.oldsigs
+ns.oldsigs		A	10.53.0.3
+
+dname-at-apex-nsec3	NS	ns3
diff --git a/bin/tests/system/autosign/ns2/insecure.secure.example.db b/bin/tests/system/autosign/ns2/insecure.secure.example.db
new file mode 100644
index 0000000..14971bd
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/insecure.secure.example.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/autosign/ns2/keygen.sh b/bin/tests/system/autosign/ns2/keygen.sh
new file mode 100644
index 0000000..9b7c31d
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/keygen.sh
@@ -0,0 +1,65 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+# Have the child generate subdomain keys and pass DS sets to us.
+( cd ../ns3 && $SHELL keygen.sh )
+
+for subdomain in secure nsec3 autonsec3 optout rsasha256 rsasha512 \
+		 nsec3-to-nsec oldsigs sync dname-at-apex-nsec3 cds-delete \
+		 cdnskey-delete
+do
+	cp ../ns3/dsset-$subdomain.example. .
+done
+
+# Create keys and pass the DS to the parent.
+zone=example
+zonefile="${zone}.db"
+infile="${zonefile}.in"
+cat $infile dsset-*.example. > $zonefile
+
+kskname=$($KEYGEN -a ${DEFAULT_ALGORITHM} -3 -q -fk $zone)
+$KEYGEN -a ${DEFAULT_ALGORITHM} -3 -q $zone > /dev/null
+$DSFROMKEY $kskname.key > dsset-${zone}.
+
+# Create keys for a private secure zone.
+zone=private.secure.example
+zonefile="${zone}.db"
+infile="${zonefile}.in"
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -3 -q -fk $zone)
+$KEYGEN -a ${DEFAULT_ALGORITHM} -3 -q $zone > /dev/null
+keyfile_to_static_ds $ksk > private.conf
+cp private.conf ../ns4/private.conf
+$SIGNER -S -3 beef -A -o $zone -f $zonefile $infile > /dev/null
+
+# Extract saved keys for the revoke-to-duplicate-key test
+zone=bar
+zonefile="${zone}.db"
+infile="${zonefile}.in"
+cat $infile > $zonefile
+for i in Xbar.+013+59973.key Xbar.+013+59973.private \
+	 Xbar.+013+60101.key Xbar.+013+60101.private
+do
+    cp $i $(echo $i | sed s/X/K/)
+done
+$KEYGEN -a ECDSAP256SHA256 -q $zone > /dev/null
+$DSFROMKEY Kbar.+013+60101.key > dsset-bar.
+
+# a zone with empty non-terminals.
+zone=optout-with-ent
+zonefile=optout-with-ent.db
+infile=optout-with-ent.db.in
+cat $infile > $zonefile
+kskname=$($KEYGEN -a ${DEFAULT_ALGORITHM} -3 -q -fk $zone)
+$KEYGEN -a ${DEFAULT_ALGORITHM} -3 -q $zone > /dev/null
diff --git a/bin/tests/system/autosign/ns2/named.conf.in b/bin/tests/system/autosign/ns2/named.conf.in
new file mode 100644
index 0000000..c155a3b
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/named.conf.in
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+	dnssec-loadkeys-interval 30;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-query { any; };
+	allow-transfer { any; };
+	allow-update { any; };
+	auto-dnssec maintain;
+	sig-signing-type 65280;
+};
+
+zone "bar" {
+	type primary;
+	file "bar.db";
+	allow-query { any; };
+	allow-transfer { any; };
+	allow-update { any; };
+	auto-dnssec maintain;
+	dnssec-dnskey-kskonly yes;
+};
+
+zone "private.secure.example" {
+	type primary;
+	file "private.secure.example.db";
+	allow-query { any; };
+	allow-transfer { any; };
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "insecure.secure.example" {
+	type primary;
+	file "insecure.secure.example.db";
+	allow-query { any; };
+	allow-transfer { any; };
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "child.nsec3.example" {
+	type primary;
+	file "child.nsec3.example.db";
+	allow-query { any; };
+	allow-transfer { any; };
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "child.optout.example" {
+	type primary;
+	file "child.optout.example.db";
+	allow-query { any; };
+	allow-transfer { any; };
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "optout-with-ent" {
+	type primary;
+	file "optout-with-ent.db";
+	allow-query { any; };
+	allow-transfer { any; };
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/autosign/ns2/optout-with-ent.db.in b/bin/tests/system/autosign/ns2/optout-with-ent.db.in
new file mode 100644
index 0000000..5a3e207
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/optout-with-ent.db.in
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA  ns2.example. . (
+			2010042407	; serial
+			20		; refresh (20 seconds)
+			20		; retry (20 seconds)
+			1814400		; expire (3 weeks)
+			3600		; minimum (1 hour)
+			)
+			NS	ns2.example.
+sub1.ent		NS	.
+sub2.ent		NS	.
diff --git a/bin/tests/system/autosign/ns2/private.secure.example.db.in b/bin/tests/system/autosign/ns2/private.secure.example.db.in
new file mode 100644
index 0000000..29fcddf
--- /dev/null
+++ b/bin/tests/system/autosign/ns2/private.secure.example.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.2
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+private2secure-nxdomain	CNAME	r.example.
diff --git a/bin/tests/system/autosign/ns3/autonsec3.example.db.in b/bin/tests/system/autosign/ns3/autonsec3.example.db.in
new file mode 100644
index 0000000..17964e8
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/autonsec3.example.db.in
@@ -0,0 +1,37 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+child			NS	ns2.example.
+insecure		NS	ns.insecure
+ns.insecure 		A	10.53.0.3
+secure			NS	ns.secure
+ns.secure 		A	10.53.0.3
+nsec3			NS	ns.nsec3
+ns.nsec3 		A	10.53.0.3
+optout			NS	ns.optout
+ns.optout 		A	10.53.0.3
+02HC3EM7BDD011A0GMS3HKKJT2IF5VP8 A 10.0.0.17
diff --git a/bin/tests/system/autosign/ns3/cdnskey-delete.example.db.in b/bin/tests/system/autosign/ns3/cdnskey-delete.example.db.in
new file mode 100644
index 0000000..3083a79
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/cdnskey-delete.example.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0. If a copy of the MPL was not distributed with this
+; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/cds-delete.example.db.in b/bin/tests/system/autosign/ns3/cds-delete.example.db.in
new file mode 100644
index 0000000..3083a79
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/cds-delete.example.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0. If a copy of the MPL was not distributed with this
+; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/delay.example.db b/bin/tests/system/autosign/ns3/delay.example.db
new file mode 100644
index 0000000..0b11a00
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/delay.example.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/delzsk.example.db.in b/bin/tests/system/autosign/ns3/delzsk.example.db.in
new file mode 100644
index 0000000..14fef54
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/delzsk.example.db.in
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000010101 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+sub			NS	ns.sub
+			DS	12345 8 1 0000000000000000000000000000000000000000
+ns.sub			A	10.53.0.3
diff --git a/bin/tests/system/autosign/ns3/dname-at-apex-nsec3.example.db.in b/bin/tests/system/autosign/ns3/dname-at-apex-nsec3.example.db.in
new file mode 100644
index 0000000..080d111
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/dname-at-apex-nsec3.example.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	600
+@	SOA	ns3.example. . 1 1200 1200 1814400 3600
+@	NS	ns3.example.
+@	DNAME	example.
+@	NSEC3PARAM 1 0 0 -
diff --git a/bin/tests/system/autosign/ns3/inacksk2.example.db.in b/bin/tests/system/autosign/ns3/inacksk2.example.db.in
new file mode 100644
index 0000000..1376922
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/inacksk2.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/inacksk3.example.db.in b/bin/tests/system/autosign/ns3/inacksk3.example.db.in
new file mode 100644
index 0000000..1376922
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/inacksk3.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/inaczsk.example.db.in b/bin/tests/system/autosign/ns3/inaczsk.example.db.in
new file mode 100644
index 0000000..1376922
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/inaczsk.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/inaczsk2.example.db.in b/bin/tests/system/autosign/ns3/inaczsk2.example.db.in
new file mode 100644
index 0000000..1376922
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/inaczsk2.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/inaczsk3.example.db.in b/bin/tests/system/autosign/ns3/inaczsk3.example.db.in
new file mode 100644
index 0000000..1376922
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/inaczsk3.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/insecure.example.db b/bin/tests/system/autosign/ns3/insecure.example.db
new file mode 100644
index 0000000..14971bd
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/insecure.example.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/autosign/ns3/jitter.nsec3.example.db.in b/bin/tests/system/autosign/ns3/jitter.nsec3.example.db.in
new file mode 100644
index 0000000..8a96023
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/jitter.nsec3.example.db.in
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
diff --git a/bin/tests/system/autosign/ns3/keygen.sh b/bin/tests/system/autosign/ns3/keygen.sh
new file mode 100644
index 0000000..96158b3
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/keygen.sh
@@ -0,0 +1,398 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+SYSTESTDIR=autosign
+
+dumpit () {
+	echo_d "${debug}: dumping ${1}"
+	cat "${1}" | cat_d
+}
+
+setup () {
+	echo_i "setting up zone: $1"
+	debug="$1"
+	zone="$1"
+	zonefile="${zone}.db"
+	infile="${zonefile}.in"
+	n=$((${n:-0} + 1))
+}
+
+setup secure.example
+cp $infile $zonefile
+ksk=$($KEYGEN -a $DEFAULT_ALGORITHM -3 -q -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+#  NSEC3/NSEC test zone
+#
+setup secure.nsec3.example
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+#  NSEC3/NSEC3 test zone
+#
+setup nsec3.nsec3.example
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+#  Jitter/NSEC3 test zone
+#
+setup jitter.nsec3.example
+cp $infile $zonefile
+count=1
+while [ $count -le 1000 ]
+do
+    echo "label${count} IN TXT label${count}" >> $zonefile
+    count=$((count + 1))
+done
+# Don't create keys just yet, because the scenario we want to test
+# is an unsigned zone that has a NSEC3PARAM record added with
+# dynamic update before the keys are generated.
+
+#
+#  OPTOUT/NSEC3 test zone
+#
+setup optout.nsec3.example
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# A nsec3 zone (non-optout).
+#
+setup nsec3.example
+cat $infile dsset-*.${zone}. > $zonefile
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# An NSEC3 zone, with NSEC3 parameters set prior to signing
+#
+setup autonsec3.example
+cat $infile > $zonefile
+ksk=$($KEYGEN -G -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+echo $ksk > ../autoksk.key
+zsk=$($KEYGEN -G -q -a $DEFAULT_ALGORITHM -3 $zone 2> kg.out) || dumpit kg.out
+echo $zsk > ../autozsk.key
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+#  OPTOUT/NSEC test zone
+#
+setup secure.optout.example
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+#  OPTOUT/NSEC3 test zone
+#
+setup nsec3.optout.example
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+#  OPTOUT/OPTOUT test zone
+#
+setup optout.optout.example
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# A optout nsec3 zone.
+#
+setup optout.example
+cat $infile dsset-*.${zone}. > $zonefile
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# A RSASHA256 zone.
+#
+setup rsasha256.example
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a RSASHA256 -b 2048 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a RSASHA256 -b 2048 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# A RSASHA512 zone.
+#
+setup rsasha512.example
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a RSASHA512 -b 2048 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a RSASHA512 -b 2048 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# NSEC-only zone. A zone using NSEC-only DNSSEC algorithms.
+# None of these algorithms are supported for signing in FIPS mode
+# as they are MD5 and SHA1 based.
+#
+if (cd ..; $SHELL ../testcrypto.sh -q RSASHA1)
+then
+    setup nsec-only.example
+    cp $infile $zonefile
+    ksk=$($KEYGEN -q -a RSASHA1 -fk $zone 2> kg.out) || dumpit kg.out
+    $KEYGEN -q -a RSASHA1 $zone > kg.out 2>&1 || dumpit kg.out
+    $DSFROMKEY $ksk.key > dsset-${zone}.
+else
+    echo_i "skip: nsec-only.example - signing with RSASHA1 not supported"
+fi
+
+#
+# Signature refresh test zone.  Signatures are set to expire long
+# in the past; they should be updated by autosign.
+#
+setup oldsigs.example
+cp $infile $zonefile
+count=1
+while [ $count -le 1000 ]
+do
+    echo "label${count} IN TXT label${count}" >> $zonefile
+    count=$((count + 1))
+done
+$KEYGEN -q -a $DEFAULT_ALGORITHM -fk $zone > kg.out 2>&1 || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM $zone > kg.out 2>&1 || dumpit kg.out
+$SIGNER -PS -s now-1y -e now-6mo -o $zone -f $zonefile.signed $zonefile > s.out || dumpit s.out
+mv $zonefile.signed $zonefile
+
+#
+# NSEC3->NSEC transition test zone.
+#
+setup nsec3-to-nsec.example
+$KEYGEN -q -a $DEFAULT_ALGORITHM -fk $zone > kg.out 2>&1 || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM $zone > kg.out 2>&1 || dumpit kg.out
+$SIGNER -S -3 beef -A -o $zone -f $zonefile $infile > s.out || dumpit s.out
+
+#
+# secure-to-insecure transition test zone; used to test removal of
+# keys via nsupdate
+#
+setup secure-to-insecure.example
+$KEYGEN -a $DEFAULT_ALGORITHM -q -fk $zone > kg.out 2>&1 || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -q $zone > kg.out 2>&1 || dumpit kg.out
+$SIGNER -S -o $zone -f $zonefile $infile > s.out || dumpit s.out
+
+#
+# another secure-to-insecure transition test zone; used to test
+# removal of keys on schedule.
+#
+setup secure-to-insecure2.example
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+echo $ksk > ../del1.key
+zsk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone 2> kg.out) || dumpit kg.out
+echo $zsk > ../del2.key
+$SIGNER -S -3 beef -o $zone -f $zonefile $infile > s.out || dumpit s.out
+
+#
+# Introducing a pre-published key test.
+#
+setup prepub.example
+infile="secure-to-insecure2.example.db.in"
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -fk $zone > kg.out 2>&1 || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q $zone > kg.out 2>&1 || dumpit kg.out
+$SIGNER -S -3 beef -o $zone -f $zonefile $infile > s.out || dumpit s.out
+
+#
+# Key TTL tests.
+#
+
+# no default key TTL; DNSKEY should get SOA TTL
+setup ttl1.example
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -fk $zone > kg.out 2>&1 || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q $zone > kg.out 2>&1 || dumpit kg.out
+cp $infile $zonefile
+
+# default key TTL should be used
+setup ttl2.example
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -fk -L 60 $zone > kg.out 2>&1 || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -L 60 $zone > kg.out 2>&1 || dumpit kg.out
+cp $infile $zonefile
+
+# mismatched key TTLs, should use shortest
+setup ttl3.example
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -fk -L 30 $zone > kg.out 2>&1 || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -L 60 $zone > kg.out 2>&1 || dumpit kg.out
+cp $infile $zonefile
+
+# existing DNSKEY RRset, should retain TTL
+setup ttl4.example
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -L 30 -fk $zone > kg.out 2>&1 || dumpit kg.out
+cat ${infile} K${zone}.+*.key > $zonefile
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -L 180 $zone > kg.out 2>&1 || dumpit kg.out
+
+#
+# A zone with a DNSKEY RRset that is published before it's activated
+#
+setup delay.example
+ksk=$($KEYGEN -G -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+echo $ksk > ../delayksk.key
+zsk=$($KEYGEN -G -q -a $DEFAULT_ALGORITHM -3 $zone 2> kg.out) || dumpit kg.out
+echo $zsk > ../delayzsk.key
+
+#
+# A zone with signatures that are already expired, and the private KSK
+# is missing.
+#
+setup noksk.example
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+zsk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone 2> kg.out) || dumpit kg.out
+$SIGNER -S -P -s now-1mo -e now-1mi -o $zone -f $zonefile ${zonefile}.in > s.out || dumpit s.out
+echo $ksk > ../noksk-ksk.key
+rm -f ${ksk}.private
+
+#
+# A zone with signatures that are already expired, and the private ZSK
+# is missing.
+#
+setup nozsk.example
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+zsk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone 2> kg.out) || dumpit kg.out
+$SIGNER -S -P -s now-1mo -e now-1mi -o $zone -f $zonefile ${zonefile}.in > s.out || dumpit s.out
+echo $ksk > ../nozsk-ksk.key
+echo $zsk > ../nozsk-zsk.key
+rm -f ${zsk}.private
+
+#
+# A zone with signatures that are already expired, and the private ZSK
+# is inactive.
+#
+setup inaczsk.example
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+zsk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone 2> kg.out) || dumpit kg.out
+$SIGNER -S -P -s now-1mo -e now-1mi -o $zone -f $zonefile ${zonefile}.in > s.out || dumpit s.out
+echo $ksk > ../inaczsk-ksk.key
+echo $zsk > ../inaczsk-zsk.key
+$SETTIME -I now $zsk > st.out 2>&1 || dumpit st.out
+
+#
+# A zone that is set to 'auto-dnssec maintain' during a reconfig
+#
+setup reconf.example
+cp secure.example.db.in $zonefile
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone > kg.out 2>&1 || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+
+#
+# A zone which generates CDS and CDNSEY RRsets automatically
+#
+setup sync.example
+cp $infile $zonefile
+ksk=$($KEYGEN -a $DEFAULT_ALGORITHM -3 -q -fk -P sync now $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+echo ns3/$ksk > ../sync.key
+
+#
+# A zone that generates CDS and CDNSKEY and uses dnssec-dnskey-kskonly
+#
+setup kskonly.example
+cp $infile $zonefile
+ksk=$($KEYGEN -a $DEFAULT_ALGORITHM -3 -q -fk -P sync now $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# A zone that has a published inactive key that is autosigned.
+#
+setup inacksk2.example
+cp $infile $zonefile
+ksk=$($KEYGEN -a $DEFAULT_ALGORITHM -3 -q -Pnow -A now+3600 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# A zone that has a published inactive key that is autosigned.
+#
+setup inaczsk2.example
+cp $infile $zonefile
+ksk=$($KEYGEN -a $DEFAULT_ALGORITHM -3 -q -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -P now -A now+3600 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# A zone that starts with a active KSK + ZSK and a inactive ZSK.
+#
+setup inacksk3.example
+cp $infile $zonefile
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -P now -A now+3600 -fk $zone > kg.out 2>&1 || dumpit kg.out
+ksk=$($KEYGEN -a $DEFAULT_ALGORITHM -3 -q -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# A zone that starts with a active KSK + ZSK and a inactive ZSK.
+#
+setup inaczsk3.example
+cp $infile $zonefile
+ksk=$($KEYGEN -a $DEFAULT_ALGORITHM -3 -q -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q $zone > kg.out 2>&1 || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -P now -A now+3600 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# A zone that starts with an active KSK + ZSK and an inactive ZSK, with the
+# latter getting deleted during the test.
+#
+setup delzsk.example
+cp $infile $zonefile
+ksk=$($KEYGEN -a $DEFAULT_ALGORITHM -3 -q -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q $zone > kg.out 2>&1 || dumpit kg.out
+zsk=$($KEYGEN -a $DEFAULT_ALGORITHM -3 -q -I now-1w $zone 2>kg.out) || dumpit kg.out
+echo $zsk > ../delzsk.key
+
+#
+# Check that NSEC3 are correctly signed and returned from below a DNAME
+#
+setup dname-at-apex-nsec3.example
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# Check that dynamically added CDS (DELETE) is kept in the zone after signing.
+#
+setup cds-delete.example
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
+
+#
+# Check that dynamically added CDNSKEY (DELETE) is kept in the zone after
+# signing.
+#
+setup cdnskey-delete.example
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fk $zone 2> kg.out) || dumpit kg.out
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 $zone > kg.out 2>&1 || dumpit kg.out
+$DSFROMKEY $ksk.key > dsset-${zone}.
diff --git a/bin/tests/system/autosign/ns3/kskonly.example.db.in b/bin/tests/system/autosign/ns3/kskonly.example.db.in
new file mode 100644
index 0000000..c6c7f88
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/kskonly.example.db.in
@@ -0,0 +1,34 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
diff --git a/bin/tests/system/autosign/ns3/named.conf.in b/bin/tests/system/autosign/ns3/named.conf.in
new file mode 100644
index 0000000..64196a1
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/named.conf.in
@@ -0,0 +1,335 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+	dnssec-loadkeys-interval 10;
+	allow-new-zones yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "example.bk";
+};
+
+zone "bar" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "bar.bk";
+};
+
+zone "secure.example" {
+	type primary;
+	file "secure.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "insecure.example" {
+	type primary;
+	file "insecure.example.db";
+};
+
+zone "nsec3.example" {
+	type primary;
+	file "nsec3.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "autonsec3.example" {
+	type primary;
+	file "autonsec3.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "optout.nsec3.example" {
+	type primary;
+	file "optout.nsec3.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "nsec3.nsec3.example" {
+	type primary;
+	file "nsec3.nsec3.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "jitter.nsec3.example" {
+	type primary;
+	file "jitter.nsec3.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+	sig-validity-interval 10 2;
+	sig-signing-nodes 1000;
+	sig-signing-signatures 100;
+};
+
+zone "secure.nsec3.example" {
+	type primary;
+	file "secure.nsec3.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "optout.example" {
+	type primary;
+	file "optout.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "secure.optout.example" {
+	type primary;
+	file "secure.optout.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "nsec3.optout.example" {
+	type primary;
+	file "nsec3.optout.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "optout.optout.example" {
+	type primary;
+	file "optout.optout.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "rsasha256.example" {
+	type primary;
+	file "rsasha256.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "rsasha512.example" {
+	type primary;
+	file "rsasha512.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "nsec-only.example" {
+	type primary;
+	file "nsec-only.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "nsec3-to-nsec.example" {
+	type primary;
+	file "nsec3-to-nsec.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "secure-to-insecure.example" {
+	type primary;
+	file "secure-to-insecure.example.db";
+	allow-update { any; };
+	dnssec-secure-to-insecure yes;
+};
+
+zone "secure-to-insecure2.example" {
+	type primary;
+	file "secure-to-insecure2.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+	dnssec-secure-to-insecure yes;
+};
+
+zone "oldsigs.example" {
+	type primary;
+	file "oldsigs.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+	sig-validity-interval 10 2;
+	sig-signing-nodes 1000;
+	sig-signing-signatures 100;
+};
+
+zone "prepub.example" {
+	type primary;
+	file "prepub.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "ttl1.example" {
+	type primary;
+	file "ttl1.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "ttl2.example" {
+	type primary;
+	file "ttl2.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "ttl3.example" {
+	type primary;
+	file "ttl3.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "ttl4.example" {
+	type primary;
+	file "ttl4.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "delay.example" {
+	type primary;
+	file "delay.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "nozsk.example" {
+	type primary;
+	file "nozsk.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "inaczsk.example" {
+	type primary;
+	file "inaczsk.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "noksk.example" {
+	type primary;
+	file "noksk.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "sync.example" {
+	type primary;
+	file "sync.example.db";
+	allow-update { any; };
+	dnssec-dnskey-kskonly no;
+	auto-dnssec maintain;
+};
+
+zone "kskonly.example" {
+	type primary;
+	file "kskonly.example.db";
+	allow-update { any; };
+	dnssec-dnskey-kskonly yes;
+	auto-dnssec maintain;
+};
+
+zone "inacksk2.example" {
+	type primary;
+	file "inacksk2.example.db";
+	allow-update { any; };
+	dnssec-dnskey-kskonly yes;
+	auto-dnssec maintain;
+};
+
+zone "inacksk3.example" {
+	type primary;
+	file "inacksk3.example.db";
+	allow-update { any; };
+	dnssec-dnskey-kskonly yes;
+	auto-dnssec maintain;
+};
+
+zone "inaczsk2.example" {
+	type primary;
+	file "inaczsk2.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "inaczsk3.example" {
+	type primary;
+	file "inaczsk3.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "delzsk.example." {
+	type primary;
+	file "delzsk.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "dname-at-apex-nsec3.example" {
+	type primary;
+	file "dname-at-apex-nsec3.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "cds-delete.example" {
+	type primary;
+	file "cds-delete.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "cdnskey-delete.example" {
+	type primary;
+	file "cdnskey-delete.example.db";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/autosign/ns3/noksk.example.db.in b/bin/tests/system/autosign/ns3/noksk.example.db.in
new file mode 100644
index 0000000..1376922
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/noksk.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/nozsk.example.db.in b/bin/tests/system/autosign/ns3/nozsk.example.db.in
new file mode 100644
index 0000000..1376922
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/nozsk.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/nsec-only.example.db.in b/bin/tests/system/autosign/ns3/nsec-only.example.db.in
new file mode 100644
index 0000000..0b11a00
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/nsec-only.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/nsec3-to-nsec.example.db.in b/bin/tests/system/autosign/ns3/nsec3-to-nsec.example.db.in
new file mode 100644
index 0000000..0b11a00
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/nsec3-to-nsec.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/nsec3.example.db.in b/bin/tests/system/autosign/ns3/nsec3.example.db.in
new file mode 100644
index 0000000..17964e8
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/nsec3.example.db.in
@@ -0,0 +1,37 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+child			NS	ns2.example.
+insecure		NS	ns.insecure
+ns.insecure 		A	10.53.0.3
+secure			NS	ns.secure
+ns.secure 		A	10.53.0.3
+nsec3			NS	ns.nsec3
+ns.nsec3 		A	10.53.0.3
+optout			NS	ns.optout
+ns.optout 		A	10.53.0.3
+02HC3EM7BDD011A0GMS3HKKJT2IF5VP8 A 10.0.0.17
diff --git a/bin/tests/system/autosign/ns3/nsec3.nsec3.example.db.in b/bin/tests/system/autosign/ns3/nsec3.nsec3.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/nsec3.nsec3.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/autosign/ns3/nsec3.optout.example.db.in b/bin/tests/system/autosign/ns3/nsec3.optout.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/nsec3.optout.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/autosign/ns3/oldsigs.example.db.in b/bin/tests/system/autosign/ns3/oldsigs.example.db.in
new file mode 100644
index 0000000..0b11a00
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/oldsigs.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/optout.example.db.in b/bin/tests/system/autosign/ns3/optout.example.db.in
new file mode 100644
index 0000000..fbb05af
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/optout.example.db.in
@@ -0,0 +1,38 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20	 ; refresh (20 seconds)
+				20	 ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.3
+secure			NS	ns.secure
+ns.secure		A	10.53.0.3
+nsec3			NS	ns.nsec3
+ns.nsec3		A	10.53.0.3
+optout			NS	ns.optout
+ns.optout		A	10.53.0.3
+child			NS	ns2.example.
+insecure.empty		NS	ns.insecure.empty
+ns.insecure.empty	A	10.53.0.3
diff --git a/bin/tests/system/autosign/ns3/optout.nsec3.example.db.in b/bin/tests/system/autosign/ns3/optout.nsec3.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/optout.nsec3.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/autosign/ns3/optout.optout.example.db.in b/bin/tests/system/autosign/ns3/optout.optout.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/optout.optout.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/autosign/ns3/rsasha256.example.db.in b/bin/tests/system/autosign/ns3/rsasha256.example.db.in
new file mode 100644
index 0000000..f6c4fab
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/rsasha256.example.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/rsasha512.example.db.in b/bin/tests/system/autosign/ns3/rsasha512.example.db.in
new file mode 100644
index 0000000..f6c4fab
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/rsasha512.example.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/secure-to-insecure.example.db.in b/bin/tests/system/autosign/ns3/secure-to-insecure.example.db.in
new file mode 100644
index 0000000..14971bd
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/secure-to-insecure.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/autosign/ns3/secure-to-insecure2.example.db.in b/bin/tests/system/autosign/ns3/secure-to-insecure2.example.db.in
new file mode 100644
index 0000000..14971bd
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/secure-to-insecure2.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/autosign/ns3/secure.example.db.in b/bin/tests/system/autosign/ns3/secure.example.db.in
new file mode 100644
index 0000000..9855ec0
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/secure.example.db.in
@@ -0,0 +1,37 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
+dname-and-txt		DNAME	@
+			TXT	"DNAME and TXT"
diff --git a/bin/tests/system/autosign/ns3/secure.nsec3.example.db.in b/bin/tests/system/autosign/ns3/secure.nsec3.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/secure.nsec3.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/autosign/ns3/secure.optout.example.db.in b/bin/tests/system/autosign/ns3/secure.optout.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/secure.optout.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/autosign/ns3/sync.example.db.in b/bin/tests/system/autosign/ns3/sync.example.db.in
new file mode 100644
index 0000000..c6c7f88
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/sync.example.db.in
@@ -0,0 +1,34 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
diff --git a/bin/tests/system/autosign/ns3/ttl1.example.db.in b/bin/tests/system/autosign/ns3/ttl1.example.db.in
new file mode 100644
index 0000000..0b11a00
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/ttl1.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/ttl2.example.db.in b/bin/tests/system/autosign/ns3/ttl2.example.db.in
new file mode 100644
index 0000000..0b11a00
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/ttl2.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/ttl3.example.db.in b/bin/tests/system/autosign/ns3/ttl3.example.db.in
new file mode 100644
index 0000000..0b11a00
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/ttl3.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns3/ttl4.example.db.in b/bin/tests/system/autosign/ns3/ttl4.example.db.in
new file mode 100644
index 0000000..0b11a00
--- /dev/null
+++ b/bin/tests/system/autosign/ns3/ttl4.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/autosign/ns4/named.conf.in b/bin/tests/system/autosign/ns4/named.conf.in
new file mode 100644
index 0000000..b46ce91
--- /dev/null
+++ b/bin/tests/system/autosign/ns4/named.conf.in
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	dnssec-must-be-secure mustbesecure.example yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
+include "private.conf";
diff --git a/bin/tests/system/autosign/ns5/named.conf.in b/bin/tests/system/autosign/ns5/named.conf.in
new file mode 100644
index 0000000..710dfa8
--- /dev/null
+++ b/bin/tests/system/autosign/ns5/named.conf.in
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/autosign/setup.sh b/bin/tests/system/autosign/setup.sh
new file mode 100644
index 0000000..e029fdf
--- /dev/null
+++ b/bin/tests/system/autosign/setup.sh
@@ -0,0 +1,23 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+
+echo_i "generating keys and preparing zones"
+cd ns1 && $SHELL keygen.sh
diff --git a/bin/tests/system/autosign/tests.sh b/bin/tests/system/autosign/tests.sh
new file mode 100755
index 0000000..ad23c22
--- /dev/null
+++ b/bin/tests/system/autosign/tests.sh
@@ -0,0 +1,1800 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+DIGOPTS="+tcp +noadd +nosea +nostat +nocmd +dnssec -p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+# convert private-type records to readable form
+# $1 is the zone
+# $2 is the server
+# $3 is ignored
+# $4 is the alternate type
+showprivate () {
+    echo "-- $@ --"
+    $DIG $DIGOPTS +nodnssec +short @$2 -t ${4:-type65534} $1 | cut -f3 -d' ' |
+        while read record; do
+            $PERL -e 'my $rdata = pack("H*", @ARGV[0]);
+                die "invalid record" unless length($rdata) == 5;
+                my ($alg, $key, $remove, $complete) = unpack("CnCC", $rdata);
+                my $action = "signing";
+                $action = "removing" if $remove;
+                my $state = " (incomplete)";
+                $state = " (complete)" if $complete;
+                print ("$action: alg: $alg, key: $key$state\n");' $record
+        done
+}
+
+# check that signing records are marked as complete
+# if $3 is 1 then we are expecting "(incomplete)"
+# if $3 is 2 then we are not expecting either "(complete)" or "(incomplete)"
+# if $4 is present then that specifies any alternate type to check
+checkprivate () {
+    _ret=0
+    expected="${3:-0}"
+    x=$(showprivate "$@")
+    echo $x | grep "(complete)" > /dev/null || _ret=2
+    echo $x | grep "(incomplete)" > /dev/null && _ret=1
+
+    if [ $_ret = $expected ]; then
+        return 0
+    fi
+
+    echo "$x"
+    echo_i "failed"
+    return 1
+}
+
+# wait until notifies for zone $1 are sent by server $2. This is an indication
+# that the zone is signed with the active keys, and the changes have been
+# committed.
+wait_for_notifies () {
+	wait_for_log 10 "zone ${1}/IN: sending notifies" "${2}/named.run" || return 1
+}
+
+freq() {
+	_file=$1
+	# remove first and last line that has incomplete set and skews the distribution
+	awk '$4 == "RRSIG" {print substr($9,1,8)}' < "$_file" | sort | uniq -c | sed '1d;$d'
+}
+# Check the signatures expiration times.  First check how many signatures
+# there are in total ($rrsigs).  Then see what the distribution of signature
+# expiration times is ($expiretimes).  Ignore the time part for a better
+# modelled distribution.
+checkjitter () {
+	_file=$1
+	_ret=0
+
+	if ! command -v bc >/dev/null 2>&1; then
+		echo_i "skip: bc not available"
+		return 0
+	fi
+
+	freq "$_file" | cat_i
+	_expiretimes=$(freq "$_file" | awk '{print $1}')
+
+	_count=0
+	# Check if we have at least 4 days
+	# This number has been tuned for `sig-validity-interval 10 2`, as
+	# 1 signature expiration dates should be spread out across at most 8 (10-2) days
+	# 2. we remove first and last day to remove frequency outlier, we are left with 6 (8-2) days
+	# 3. we subtract two more days to allow test pass on day boundaries, etc. leaving us with 4 (6-2)
+	for _num in $_expiretimes
+	do
+		_count=$((_count+1))
+	done
+	if [ "$_count" -lt 4 ]; then
+		echo_i "error: not enough categories"
+		return 1
+	fi
+
+	# Calculate mean
+	_total=0
+	for _num in $_expiretimes
+	do
+		_total=$((_total+_num))
+	done
+	_mean=$(($_total / $_count))
+
+	# Calculate stddev
+	_stddev=0
+	for _num in $_expiretimes
+	do
+		_stddev=$(echo "$_stddev + (($_num - $_mean) * ($_num - $_mean))" | bc)
+	done
+	_stddev=$(echo "sqrt($_stddev/$_count)" | bc)
+
+	# We expect the number of signatures not to exceed the mean +- 3 * stddev.
+	_limit=$((_stddev*3))
+	_low=$((_mean-_limit))
+	_high=$((_mean+_limit))
+	# Find outliers.
+	echo_i "checking whether all frequencies fall into <$_low;$_high> range"
+	for _num in $_expiretimes
+	do
+		if [ $_num -gt $_high ]; then
+			echo_i "error: too many RRSIG records ($_num) in expiration bucket"
+			_ret=1
+		fi
+		if [ $_num -lt $_low ]; then
+			echo_i "error: too few RRSIG records ($_num) in expiration bucket"
+			_ret=1
+		fi
+	done
+
+	return $_ret
+}
+
+#
+#  The NSEC record at the apex of the zone and its RRSIG records are
+#  added as part of the last step in signing a zone.  We wait for the
+#  NSEC records to appear before proceeding with a counter to prevent
+#  infinite loops if there is a error.
+#
+echo_i "waiting for autosign changes to take effect"
+i=0
+while [ $i -lt 30 ]
+do
+	ret=0
+	#
+	# Wait for the root DNSKEY RRset to be fully signed.
+	#
+	$DIG $DIGOPTS . @10.53.0.1 dnskey > dig.out.ns1.test$n || ret=1
+	grep "ANSWER: 10," dig.out.ns1.test$n > /dev/null || ret=1
+	for z in .
+	do
+		$DIG $DIGOPTS $z @10.53.0.1 nsec > dig.out.ns1.test$n || ret=1
+		grep "NS SOA" dig.out.ns1.test$n > /dev/null || ret=1
+	done
+	for z in bar. example. private.secure.example. optout-with-ent.
+	do
+		$DIG $DIGOPTS $z @10.53.0.2 nsec > dig.out.ns2.test$n || ret=1
+		grep "NS SOA" dig.out.ns2.test$n > /dev/null || ret=1
+	done
+	for z in bar. example. inacksk2.example. inacksk3.example \
+		 inaczsk2.example. inaczsk3.example noksk.example nozsk.example
+	do
+		$DIG $DIGOPTS $z @10.53.0.3 nsec > dig.out.ns3.test$n || ret=1
+		grep "NS SOA" dig.out.ns3.test$n > /dev/null || ret=1
+	done
+	i=$((i + 1))
+	if [ $ret = 0 ]; then break; fi
+	echo_i "waiting ... ($i)"
+	sleep 2
+done
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "done"; fi
+status=$((status + ret))
+
+echo_i "Convert optout-with-ent from nsec to nsec3"
+($RNDCCMD 10.53.0.2 signing -nsec3param 1 1 1 - optout-with-ent 2>&1 | sed 's/^/ns2 /' | cat_i) || ret=1
+
+echo_i "Initial counts of RRSIG expiry fields values for auto signed zones"
+for z in .
+do
+	echo_i zone $z
+	$DIG $DIGOPTS $z @10.53.0.1 axfr | awk '$4 == "RRSIG" {print $9}' | sort | uniq -c | cat_i
+done
+for z in bar. example. private.secure.example.
+do
+	echo_i zone $z
+	$DIG $DIGOPTS $z @10.53.0.2 axfr | awk '$4 == "RRSIG" {print $9}' | sort | uniq -c | cat_i
+done
+for z in inacksk2.example. inacksk3.example inaczsk2.example. inaczsk3.example
+do
+	echo_i zone $z
+	$DIG $DIGOPTS $z @10.53.0.3 axfr | awk '$4 == "RRSIG" {print $9}' | sort | uniq -c | cat_i
+done
+
+# Set logfile offset for wait_for_log usage.
+nextpartreset ns3/named.run
+
+#
+# Check that DNSKEY is initially signed with a KSK and not a ZSK.
+#
+echo_i "check that zone with active and inactive KSK and active ZSK is properly"
+echo_ic "resigned after the active KSK is deleted - stage 1: Verify that DNSKEY"
+echo_ic "is initially signed with a KSK and not a ZSK. ($n)"
+ret=0
+
+$DIG $DIGOPTS @10.53.0.3 axfr inacksk3.example > dig.out.ns3.test$n
+
+zskid=$(awk '$4 == "DNSKEY" && $5 == 256 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -A -2 -f - inacksk3.example | awk '{ print $4}')
+grep "DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 2 " dig.out.ns3.test$n > /dev/null || ret=1
+
+pattern="DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 2 [0-9]* [0-9]* [0-9]* ${zskid} "
+grep "${pattern}" dig.out.ns3.test$n > /dev/null && ret=1
+
+count=$(awk 'BEGIN { count = 0 }
+	    $4 == "RRSIG" && $5 == "DNSKEY" { count++ }
+	    END {print count}' dig.out.ns3.test$n)
+test $count -eq 1 || ret=1
+
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "DNSKEY" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 3 || ret=1
+
+awk='$4 == "RRSIG" && $5 == "DNSKEY" { printf "%05u\n", $11 }'
+id=$(awk "${awk}" dig.out.ns3.test$n)
+
+keyfile=$(printf "ns3/Kinacksk3.example.+%03u+%s" "${DEFAULT_ALGORITHM_NUMBER}" "${id}")
+$SETTIME -D now+5 "${keyfile}" > settime.out.test$n || ret=1
+($RNDCCMD 10.53.0.3 loadkeys inacksk3.example 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+# Check that zone is initially signed with a ZSK and not a KSK.
+#
+echo_i "check that zone with active and inactive ZSK and active KSK is properly"
+echo_ic "resigned after the active ZSK is deleted - stage 1: Verify that zone"
+echo_ic "is initially signed with a ZSK and not a KSK. ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 axfr inaczsk3.example > dig.out.ns3.test$n
+kskid=$(awk '$4 == "DNSKEY" && $5 == 257 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -2 -f - inaczsk3.example | awk '{ print $4}' )
+grep "CNAME ${DEFAULT_ALGORITHM_NUMBER} 3 " dig.out.ns3.test$n > /dev/null || ret=1
+grep "CNAME ${DEFAULT_ALGORITHM_NUMBER} 3 [0-9]* [0-9]* [0-9]* ${kskid} " dig.out.ns3.test$n > /dev/null && ret=1
+count=$(awk 'BEGIN { count = 0 }
+	    $4 == "RRSIG" && $5 == "CNAME" { count++ }
+	    END {print count}' dig.out.ns3.test$n)
+test $count -eq 1 || ret=1
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "DNSKEY" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 3 || ret=1
+id=$(awk '$4 == "RRSIG" && $5 == "CNAME" { printf "%05u\n", $11 }' dig.out.ns3.test$n)
+
+keyfile=$(printf "ns3/Kinaczsk3.example.+%03u+%s" "${DEFAULT_ALGORITHM_NUMBER}" "${id}")
+$SETTIME -D now+5 "${keyfile}" > settime.out.test$n || ret=1
+($RNDCCMD 10.53.0.3 loadkeys inaczsk3.example 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC->NSEC3 conversion prerequisites ($n)"
+ret=0
+# these commands should result in an empty file:
+$DIG $DIGOPTS +noall +answer nsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.1.test$n || ret=1
+grep "NSEC3PARAM" dig.out.ns3.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noall +answer autonsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.2.test$n || ret=1
+grep "NSEC3PARAM" dig.out.ns3.2.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC3->NSEC conversion prerequisites ($n)"
+ret=0
+$DIG $DIGOPTS +noall +answer nsec3-to-nsec.example. nsec3param @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "NSEC3PARAM" dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "converting zones from nsec to nsec3"
+$NSUPDATE > /dev/null 2>&1 <<END	|| status=1
+server 10.53.0.3 ${PORT}
+zone nsec3.nsec3.example.
+update add nsec3.nsec3.example. 3600 NSEC3PARAM 1 0 10 BEEF
+send
+zone optout.nsec3.example.
+update add optout.nsec3.example. 3600 NSEC3PARAM 1 1 10 BEEF
+send
+zone nsec3.example.
+update add nsec3.example. 3600 NSEC3PARAM 1 0 10 BEEF
+send
+zone autonsec3.example.
+update add autonsec3.example. 3600 NSEC3PARAM 1 0 20 DEAF
+send
+zone nsec3.optout.example.
+update add nsec3.optout.example. 3600 NSEC3PARAM 1 0 10 BEEF
+send
+zone optout.optout.example.
+update add optout.optout.example. 3600 NSEC3PARAM 1 1 10 BEEF
+send
+zone optout.example.
+update add optout.example. 3600 NSEC3PARAM 1 1 10 BEEF
+send
+END
+
+if $SHELL ../testcrypto.sh -q RSASHA1
+then
+    # try to convert nsec-only.example; this should fail due to
+    # non-NSEC3 compatible keys
+    echo_i "preset nsec3param in unsigned zone via nsupdate ($n)"
+    ret=0
+    $NSUPDATE > nsupdate.out 2>&1 <<END && ret=1
+server 10.53.0.3 ${PORT}
+zone nsec-only.example.
+update add nsec-only.example. 3600 NSEC3PARAM 1 0 10 BEEF
+send
+END
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+echo_i "checking for nsec3param in unsigned zone ($n)"
+ret=0
+$DIG $DIGOPTS +noall +answer autonsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "NSEC3PARAM" dig.out.ns3.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking for nsec3param signing record ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 signing -list autonsec3.example. > signing.out.test$n 2>&1
+grep "Pending NSEC3 chain 1 0 20 DEAF" signing.out.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "resetting nsec3param via rndc signing ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 signing -clear all autonsec3.example. > /dev/null 2>&1
+$RNDCCMD 10.53.0.3 signing -nsec3param 1 1 10 beef autonsec3.example. > /dev/null 2>&1
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	ret=0
+	$RNDCCMD 10.53.0.3 signing -list autonsec3.example. > signing.out.test$n 2>&1
+	grep "Pending NSEC3 chain 1 1 10 BEEF" signing.out.test$n > /dev/null || ret=1
+	num=$(grep "Pending " signing.out.test$n | wc -l)
+	[ $num -eq 1 ] || ret=1
+	[ $ret -eq 0 ] && break
+	echo_i "waiting ... ($i)"
+	sleep 2
+done
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "signing preset nsec3 zone"
+zsk=$(cat autozsk.key)
+ksk=$(cat autoksk.key)
+$SETTIME -K ns3 -P now -A now $zsk > settime.out.test$n.zsk || ret=1
+$SETTIME -K ns3 -P now -A now $ksk > settime.out.test$n.ksk || ret=1
+($RNDCCMD 10.53.0.3 loadkeys autonsec3.example. 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+
+echo_i "waiting for changes to take effect"
+sleep 3
+
+echo_i "converting zone from nsec3 to nsec"
+$NSUPDATE > /dev/null 2>&1 << END	|| status=1
+server 10.53.0.3 ${PORT}
+zone nsec3-to-nsec.example.
+update delete nsec3-to-nsec.example. NSEC3PARAM
+send
+END
+
+echo_i "waiting for change to take effect"
+sleep 3
+
+missing=$(keyfile_to_key_id "$(cat noksk-ksk.key)")
+echo_i "checking that expired RRSIGs from missing KSK $missing are not deleted ($n)"
+ret=0
+$JOURNALPRINT ns3/noksk.example.db.jnl | \
+   awk '{if ($1 == "del" && $5 == "RRSIG" && $12 == id) {error=1}} END {exit error}' id=$missing || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+missing=$(keyfile_to_key_id "$(cat nozsk-zsk.key)")
+ksk=$(keyfile_to_key_id "$(cat nozsk-ksk.key)")
+echo_i "checking that expired RRSIGs from missing ZSK $missing are replaced ($n)"
+ret=0
+$JOURNALPRINT ns3/nozsk.example.db.jnl | \
+   awk '{if ($1 == "del" && $5 == "RRSIG" && $12 == id) {ok=1}} END {exit ok?0:1}' id=$missing || ret=1
+$JOURNALPRINT ns3/nozsk.example.db.jnl | \
+   awk '{if ($1 == "add" && $5 == "RRSIG" && $12 == id) {ok=1}} END {exit ok?0:1}' id=$ksk || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+inactive=$(keyfile_to_key_id "$(cat inaczsk-zsk.key)")
+ksk=$(keyfile_to_key_id "$(cat inaczsk-ksk.key)")
+echo_i "checking that expired RRSIGs from inactive ZSK $inactive are replaced ($n)"
+ret=0
+$JOURNALPRINT ns3/inaczsk.example.db.jnl | \
+   awk '{if ($1 == "del" && $5 == "RRSIG" && $12 == id) {ok=1}} END {exit ok?0:1}' id=$inactive || ret=1
+$JOURNALPRINT ns3/inaczsk.example.db.jnl | \
+   awk '{if ($1 == "add" && $5 == "RRSIG" && $12 == id) {ok=1}} END {exit ok?0:1}' id=$ksk || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that replaced RRSIGs are not logged (missing ZSK private key) ($n)"
+ret=0
+loglines=$(grep "Key nozsk.example/$DEFAULT_ALGORITHM/$missing .* retaining signatures" ns3/named.run | wc -l)
+[ "$loglines" -eq 0 ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that replaced RRSIGs are not logged (inactive ZSK private key) ($n)"
+ret=0
+loglines=$(grep "Key inaczsk.example/$DEFAULT_ALGORITHM/$inactive .* retaining signatures" ns3/named.run | wc -l)
+[ "$loglines" -eq 0 ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Send rndc sync command to ns1, ns2 and ns3, to force the dynamically
+# signed zones to be dumped to their zone files
+echo_i "dumping zone files"
+($RNDCCMD 10.53.0.1 sync 2>&1 | sed 's/^/ns1 /' | cat_i) || ret=1
+($RNDCCMD 10.53.0.2 sync 2>&1 | sed 's/^/ns2 /' | cat_i) || ret=1
+($RNDCCMD 10.53.0.3 sync 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+
+now="$(TZ=UTC date +%Y%m%d%H%M%S)"
+check_expiry() (
+	$DIG $DIGOPTS AXFR oldsigs.example @10.53.0.3 > dig.out.test$n
+	nearest_expiration="$(awk '$4 == "RRSIG" { print $9 }' < dig.out.test$n | sort -n | head -1)"
+	if [ "$nearest_expiration" -le "$now" ]; then
+		echo_i "failed: $nearest_expiration <= $now"
+		return 1
+	fi
+)
+
+echo_i "checking expired signatures were updated ($n)"
+retry 10 check_expiry || ret=1
+$DIG $DIGOPTS +noauth a.oldsigs.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.oldsigs.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check jitter distribution.
+echo_i "checking expired signatures were jittered correctly ($n)"
+ret=0
+$DIG $DIGOPTS axfr oldsigs.example @10.53.0.3 > dig.out.ns3.test$n || ret=1
+checkjitter dig.out.ns3.test$n || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC->NSEC3 conversion succeeded ($n)"
+ret=0
+$DIG $DIGOPTS nsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.ok.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.ok.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +noauth q.nsec3.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.nsec3.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking direct NSEC3 autosigning succeeded ($n)"
+ret=0
+$DIG $DIGOPTS +noall +answer autonsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.ok.test$n || ret=1
+[ -s  dig.out.ns3.ok.test$n ] || ret=1
+grep "NSEC3PARAM" dig.out.ns3.ok.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +noauth q.autonsec3.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.autonsec3.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC->NSEC3 conversion failed with NSEC-only key ($n)"
+ret=0
+if $SHELL ../testcrypto.sh -q RSASHA1
+then
+    grep "failed: REFUSED" nsupdate.out > /dev/null || ret=1
+else
+    echo_i "skip: RSASHA1 not supported"
+fi
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC3->NSEC conversion succeeded ($n)"
+ret=0
+# this command should result in an empty file:
+$DIG $DIGOPTS +noall +answer nsec3-to-nsec.example. nsec3param @10.53.0.3 > dig.out.ns3.nx.test$n || ret=1
+grep "NSEC3PARAM" dig.out.ns3.nx.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noauth q.nsec3-to-nsec.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.nsec3-to-nsec.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NSEC3->NSEC conversion with 'rndc signing -nsec3param none' ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 signing -nsec3param none autonsec3.example. > /dev/null 2>&1
+# this command should result in an empty file:
+no_nsec3param() (
+ $DIG $DIGOPTS +noall +answer autonsec3.example. nsec3param @10.53.0.3 > dig.out.ns3.nx.test$n || return 1
+ grep "NSEC3PARAM" dig.out.ns3.nx.test$n > /dev/null && return 1
+ return 0
+)
+retry_quiet 10 no_nsec3param || ret=1
+$DIG $DIGOPTS +noauth q.autonsec3.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.autonsec3.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTLs of imported DNSKEYs (no default) ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +noall +answer dnskey ttl1.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+[ -s dig.out.ns3.test$n ] || ret=1
+(awk 'BEGIN {r=0} $2 != 300 {r=1; print "found TTL " $2} END {exit r}' dig.out.ns3.test$n | cat_i) || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTLs of imported DNSKEYs (with default) ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +noall +answer dnskey ttl2.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+[ -s dig.out.ns3.test$n ] || ret=1
+(awk 'BEGIN {r=0} $2 != 60 {r=1; print "found TTL " $2} END {exit r}' dig.out.ns3.test$n | cat_i) || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTLs of imported DNSKEYs (mismatched) ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +noall +answer dnskey ttl3.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+[ -s dig.out.ns3.test$n ] || ret=1
+(awk 'BEGIN {r=0} $2 != 30 {r=1; print "found TTL " $2} END {exit r}' dig.out.ns3.test$n | cat_i) || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTLs of imported DNSKEYs (existing RRset) ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +noall +answer dnskey ttl4.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+[ -s dig.out.ns3.test$n ] || ret=1
+(awk 'BEGIN {r=0} $2 != 30 {r=1; print "found TTL " $2} END {exit r}' dig.out.ns3.test$n | cat_i) || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking positive validation NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth a.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking positive validation NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking positive validation OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NXDOMAIN NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth q.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth q.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NXDOMAIN NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth q.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NXDOMAIN OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth q.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth q.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NODATA NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth a.example. @10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NODATA NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.3 txt > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking negative validation NODATA OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.3 txt > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the insecure.example domain
+
+echo_i "checking 1-server insecurity proof NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.insecure.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.insecure.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking 1-server negative insecurity proof NSEC ($n)"
+ret=0
+$DIG $DIGOPTS q.insecure.example. a @10.53.0.3 \
+	> dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS q.insecure.example. a @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the secure.example domain
+
+echo_i "checking multi-stage positive validation NSEC/NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.secure.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.secure.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation NSEC/NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation NSEC/OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation NSEC3/NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.secure.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.secure.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation NSEC3/NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.nsec3.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.nsec3.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation NSEC3/OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.optout.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.optout.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation OPTOUT/NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.secure.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.secure.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation OPTOUT/NSEC3 ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.nsec3.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.nsec3.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking multi-stage positive validation OPTOUT/OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.optout.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.optout.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking empty NODATA OPTOUT ($n)"
+ret=0
+$DIG $DIGOPTS +noauth empty.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth empty.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+#grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the insecure.secure.example domain (insecurity proof)
+
+echo_i "checking 2-server insecurity proof ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.insecure.secure.example. @10.53.0.2 a \
+	> dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth a.insecure.secure.example. @10.53.0.4 a \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check a negative response in insecure.secure.example
+
+echo_i "checking 2-server insecurity proof with a negative answer ($n)"
+ret=0
+$DIG $DIGOPTS q.insecure.secure.example. @10.53.0.2 a > dig.out.ns2.test$n \
+	|| ret=1
+$DIG $DIGOPTS q.insecure.secure.example. @10.53.0.4 a > dig.out.ns4.test$n \
+	|| ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking security root query ($n)"
+ret=0
+$DIG $DIGOPTS . @10.53.0.4 key > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking positive validation RSASHA256 NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.rsasha256.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.rsasha256.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking positive validation RSASHA512 NSEC ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.rsasha512.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+$DIG $DIGOPTS +noauth a.rsasha512.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that positive validation in a privately secure zone works ($n)"
+ret=0
+$DIG $DIGOPTS +noauth a.private.secure.example. a @10.53.0.2 \
+	> dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth a.private.secure.example. a @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that negative validation in a privately secure zone works ($n)"
+ret=0
+$DIG $DIGOPTS +noauth q.private.secure.example. a @10.53.0.2 \
+	> dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS +noauth q.private.secure.example. a @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking privately secure to nxdomain works ($n)"
+ret=0
+$DIG $DIGOPTS +noauth private2secure-nxdomain.private.secure.example. SOA @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Try validating with a revoked trusted key.
+# This should fail.
+
+echo_i "checking that validation returns insecure due to revoked trusted key ($n)"
+ret=0
+$DIG $DIGOPTS example. soa @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep "flags:.*; QUERY" dig.out.ns5.test$n > /dev/null || ret=1
+grep "flags:.* ad.*; QUERY" dig.out.ns5.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that revoked key is present ($n)"
+ret=0
+id=$(cat rev.key)
+$DIG $DIGOPTS +multi dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '; key id = '"$id"'$' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that revoked key self-signs ($n)"
+ret=0
+id=$(cat rev.key)
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $id "'\. ' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking for unpublished key ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat unpub.key)")
+$DIG $DIGOPTS +multi dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '; key id = '"$id"'$' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking for activated but unpublished key ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat activate-now-publish-1day.key)")
+$DIG $DIGOPTS +multi dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '; key id = '"$id"'$' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that standby key does not sign records ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat standby.key)")
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $id "'\. ' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that deactivated key does not sign records  ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat inact.key)")
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $id "'\. ' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking insertion of public-only key ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat nopriv.key)")
+file="ns1/$(cat nopriv.key).key"
+keydata=$(grep DNSKEY $file)
+$NSUPDATE > /dev/null 2>&1 <<END	|| status=1
+server 10.53.0.1 ${PORT}
+zone .
+ttl 3600
+update add $keydata
+send
+END
+sleep 1
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $id "'\. ' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking key deletion ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat del.key)")
+$DIG $DIGOPTS +multi dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '; key id = '"$id"'$' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking secure-to-insecure transition, nsupdate ($n)"
+ret=0
+$NSUPDATE > /dev/null 2>&1 <<END	|| status=1
+server 10.53.0.3 ${PORT}
+zone secure-to-insecure.example
+update delete secure-to-insecure.example dnskey
+send
+END
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	ret=0
+	$DIG $DIGOPTS axfr secure-to-insecure.example @10.53.0.3 > dig.out.ns3.test$n || ret=1
+	grep -E '(RRSIG|DNSKEY|NSEC)' dig.out.ns3.test$n > /dev/null && ret=1
+	[ $ret -eq 0 ] && break
+	echo_i "waiting ... ($i)"
+	sleep 2
+done
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking secure-to-insecure transition, scheduled ($n)"
+ret=0
+file="ns3/$(cat del1.key).key"
+$SETTIME -I now -D now $file > settime.out.test$n.1 || ret=1
+file="ns3/$(cat del2.key).key"
+$SETTIME -I now -D now $file > settime.out.test$n.2 || ret=1
+($RNDCCMD 10.53.0.3 sign secure-to-insecure2.example. 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	ret=0
+	$DIG $DIGOPTS axfr secure-to-insecure2.example @10.53.0.3 > dig.out.ns3.test$n || ret=1
+	grep -E '(RRSIG|DNSKEY|NSEC3)' dig.out.ns3.test$n > /dev/null && ret=1
+	[ $ret -eq 0 ] && break
+	echo_i "waiting ... ($i)"
+	sleep 2
+done
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking jitter in a newly signed NSEC3 zone ($n)"
+ret=0
+# Use DNS UPDATE to add an NSEC3PARAM record into the zone.
+$NSUPDATE > nsupdate.out.test$n 2>&1 <<END || ret=1
+server 10.53.0.3 ${PORT}
+zone jitter.nsec3.example.
+update add jitter.nsec3.example. 3600 NSEC3PARAM 1 0 10 BEEF
+send
+END
+[ $ret != 0 ] && echo_i "error: dynamic update add NSEC3PARAM failed"
+# Create DNSSEC keys in the zone directory.
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -K ns3 jitter.nsec3.example > /dev/null
+# Trigger zone signing.
+($RNDCCMD 10.53.0.3 sign jitter.nsec3.example. 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+# Wait until zone has been signed.
+check_if_nsec3param_exists() {
+	$DIG $DIGOPTS NSEC3PARAM jitter.nsec3.example @10.53.0.3 > dig.out.ns3.1.test$n || return 1
+	grep -q "^jitter\.nsec3\.example\..*NSEC3PARAM" dig.out.ns3.1.test$n || return 1
+}
+retry_quiet 40 check_if_nsec3param_exists || {
+	echo_i "error: NSEC3PARAM not present yet"
+	ret=1
+}
+$DIG $DIGOPTS AXFR jitter.nsec3.example @10.53.0.3 > dig.out.ns3.2.test$n || ret=1
+# Check jitter distribution.
+checkjitter dig.out.ns3.2.test$n || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that serial number and RRSIGs are both updated (rt21045) ($n)"
+ret=0
+oldserial=$($DIG $DIGOPTS +short soa prepub.example @10.53.0.3 | awk '$0 !~ /SOA/ {print $3}')
+oldinception=$($DIG $DIGOPTS +short soa prepub.example @10.53.0.3 | awk '/SOA/ {print $6}' | sort -u)
+
+$KEYGEN -a $DEFAULT_ALGORITHM -3 -q -K ns3 -P 0 -A +6d -I +38d -D +45d prepub.example > /dev/null
+
+($RNDCCMD 10.53.0.3 sign prepub.example 2>&1 | sed 's/^/ns1 /' | cat_i) || ret=1
+newserial=$oldserial
+try=0
+while [ $oldserial -eq $newserial -a $try -lt 42 ]
+do
+	newserial=$($DIG $DIGOPTS +short soa prepub.example @10.53.0.3 |
+		 awk '$0 !~ /SOA/ {print $3}')
+	sleep 1
+	try=$((try + 1))
+done
+newinception=$($DIG $DIGOPTS +short soa prepub.example @10.53.0.3 | awk '/SOA/ {print $6}' | sort -u)
+#echo "$oldserial : $newserial"
+#echo "$oldinception : $newinception"
+
+[ "$oldserial" = "$newserial" ] && ret=1
+[ "$oldinception" = "$newinception" ] && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "preparing to test key change corner cases"
+echo_i "removing a private key file"
+file="ns1/$(cat vanishing.key).private"
+rm -f $file
+
+echo_i "preparing ZSK roll"
+starttime=$($PERL -e 'print time(), "\n";')
+oldfile=$(cat active.key)
+oldid=$(keyfile_to_key_id "$(cat active.key)")
+newfile=$(cat standby.key)
+newid=$(keyfile_to_key_id "$(cat standby.key)")
+$SETTIME -K ns1 -I now+2s -D now+25 $oldfile > settime.out.test$n.1 || ret=1
+$SETTIME -K ns1 -i 0 -S $oldfile $newfile > settime.out.test$n.2 || ret=1
+
+# note previous zone serial number
+oldserial=$($DIG $DIGOPTS +short soa . @10.53.0.1 | awk '{print $3}')
+
+($RNDCCMD 10.53.0.1 loadkeys . 2>&1 | sed 's/^/ns1 /' | cat_i) || ret=1
+sleep 4
+
+echo_i "revoking key to duplicated key ID"
+$SETTIME -R now -K ns2 Kbar.+013+59973.key > settime.out.test$n.3 || ret=1
+
+($RNDCCMD 10.53.0.2 loadkeys bar. 2>&1 | sed 's/^/ns2 /' | cat_i) || ret=1
+
+echo_i "waiting for changes to take effect"
+sleep 5
+
+echo_i "checking former standby key $newid is now active ($n)"
+ret=0
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $newid "'\. ' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking former standby key has only signed incrementally ($n)"
+ret=0
+$DIG $DIGOPTS txt . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $newid "'\. ' dig.out.ns1.test$n > /dev/null && ret=1
+grep 'RRSIG.*'" $oldid "'\. ' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that signing records have been marked as complete ($n)"
+ret=0
+checkprivate . 10.53.0.1 || ret=1
+checkprivate bar 10.53.0.2 || ret=1
+checkprivate example 10.53.0.2 0 type65280 || ret=1 # sig-signing-type 65280
+checkprivate private.secure.example 10.53.0.3 2 || ret=1 # pre-signed
+checkprivate nsec3.example 10.53.0.3 || ret=1
+checkprivate nsec3.nsec3.example 10.53.0.3 || ret=1
+checkprivate nsec3.optout.example 10.53.0.3 || ret=1
+checkprivate nsec3-to-nsec.example 10.53.0.3 2 || ret=1 # automatically removed
+if $SHELL ../testcrypto.sh -q RSASHA1
+then
+    checkprivate nsec-only.example 10.53.0.3 || ret=1
+fi
+checkprivate oldsigs.example 10.53.0.3 2 || ret=1 # pre-signed
+checkprivate optout.example 10.53.0.3 || ret=1
+checkprivate optout.nsec3.example 10.53.0.3 || ret=1
+checkprivate optout.optout.example 10.53.0.3 || ret=1
+checkprivate prepub.example 10.53.0.3 1 || ret=1 # expecting incomplete
+checkprivate rsasha256.example 10.53.0.3 || ret=1
+checkprivate rsasha512.example 10.53.0.3 || ret=1
+checkprivate secure.example 10.53.0.3 || ret=1
+checkprivate secure.nsec3.example 10.53.0.3 || ret=1
+checkprivate secure.optout.example 10.53.0.3 || ret=1
+checkprivate secure-to-insecure2.example 10.53.0.3 2|| ret=1 # automatically removed
+checkprivate secure-to-insecure.example 10.53.0.3 2 || ret=1 # automatically removed
+checkprivate ttl1.example 10.53.0.3 || ret=1
+checkprivate ttl2.example 10.53.0.3 || ret=1
+checkprivate ttl3.example 10.53.0.3 || ret=1
+checkprivate ttl4.example 10.53.0.3 || ret=1
+n=$((n + 1))
+status=$((status + ret))
+
+echo_i "forcing full sign"
+($RNDCCMD 10.53.0.1 sign . 2>&1 | sed 's/^/ns1 /' | cat_i) || ret=1
+
+echo_i "waiting for change to take effect"
+sleep 5
+
+echo_i "checking former standby key has now signed fully ($n)"
+ret=0
+$DIG $DIGOPTS txt . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $newid "'\. ' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking SOA serial number has been incremented ($n)"
+ret=0
+newserial=$($DIG $DIGOPTS +short soa . @10.53.0.1 | awk '{print $3}')
+[ "$newserial" != "$oldserial" ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking delayed key publication/activation ($n)"
+ret=0
+zsk=$(cat delayzsk.key)
+ksk=$(cat delayksk.key)
+# publication and activation times should be unset
+$SETTIME -K ns3 -pA -pP $zsk > settime.out.test$n.zsk || ret=1
+grep -v UNSET settime.out.test$n.zsk >/dev/null && ret=1
+$SETTIME -K ns3 -pA -pP $ksk > settime.out.test$n.ksk || ret=1
+grep -v UNSET settime.out.test$n.ksk >/dev/null && ret=1
+$DIG $DIGOPTS +noall +answer dnskey delay.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+# DNSKEY not expected:
+awk 'BEGIN {r=1} $4=="DNSKEY" {r=0} END {exit r}' dig.out.ns3.test$n && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking scheduled key publication, not activation ($n)"
+ret=0
+# Ensure initial zone is loaded.
+wait_for_notifies "delay.example" "ns3" || ret=1
+$SETTIME -K ns3 -P now+3s -A none $zsk > settime.out.test$n.zsk || ret=1
+$SETTIME -K ns3 -P now+3s -A none $ksk > settime.out.test$n.ksk || ret=1
+($RNDCCMD 10.53.0.3 loadkeys delay.example. 2>&1 | sed 's/^/ns2 /' | cat_i) || ret=1
+echo_i "waiting for changes to take effect"
+sleep 3
+wait_for_notifies "delay.example" "ns3" || ret=1
+
+$DIG $DIGOPTS +noall +answer dnskey delay.example. @10.53.0.3 > dig.out.ns3.test$n || ret=1
+# DNSKEY expected:
+awk 'BEGIN {r=1} $4=="DNSKEY" {r=0} END {exit r}' dig.out.ns3.test$n || ret=1
+# RRSIG not expected:
+awk 'BEGIN {r=1} $4=="RRSIG" {r=0} END {exit r}' dig.out.ns3.test$n && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking scheduled key activation ($n)"
+ret=0
+$SETTIME -K ns3 -A now+3s $zsk > settime.out.test$n.zsk || ret=1
+$SETTIME -K ns3 -A now+3s $ksk > settime.out.test$n.ksk || ret=1
+($RNDCCMD 10.53.0.3 loadkeys delay.example. 2>&1 | sed 's/^/ns2 /' | cat_i) || ret=1
+echo_i "waiting for changes to take effect"
+sleep 3
+wait_for_log_re 10 "add delay\.example\..*NSEC.a\.delay\.example\. NS SOA RRSIG NSEC DNSKEY" ns3/named.run
+check_is_signed() {
+  $DIG $DIGOPTS +noall +answer dnskey delay.example. @10.53.0.3 > dig.out.ns3.1.test$n || return 1
+  # DNSKEY expected:
+  awk 'BEGIN {r=1} $4=="DNSKEY" {r=0} END {exit r}' dig.out.ns3.1.test$n || return 1
+  # RRSIG expected:
+  awk 'BEGIN {r=1} $4=="RRSIG" {r=0} END {exit r}' dig.out.ns3.1.test$n || return 1
+  $DIG $DIGOPTS +noall +answer a a.delay.example. @10.53.0.3 > dig.out.ns3.2.test$n || return 1
+  # A expected:
+  awk 'BEGIN {r=1} $4=="A" {r=0} END {exit r}' dig.out.ns3.2.test$n || return 1
+  # RRSIG expected:
+  awk 'BEGIN {r=1} $4=="RRSIG" {r=0} END {exit r}' dig.out.ns3.2.test$n || return 1
+  return 0
+}
+retry_quiet 5 check_is_signed || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking former active key was removed ($n)"
+#
+# Work out how long we need to sleep. Allow 4 seconds for the records
+# to be removed.
+#
+now=$($PERL -e 'print time(), "\n";')
+sleep=$((starttime + 29 - now))
+case $sleep in
+-*|0);;
+*) echo_i "waiting for timer to have activated"; sleep $sleep;;
+esac
+ret=0
+$DIG $DIGOPTS +multi dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '; key id = '"$oldid"'$' dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking private key file removal caused no immediate harm ($n)"
+ret=0
+id=$(keyfile_to_key_id "$(cat vanishing.key)")
+$DIG $DIGOPTS dnskey . @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 'RRSIG.*'" $id "'\. ' dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking revoked key with duplicate key ID ($n)"
+ret=0
+id=59973
+rid=60101
+$DIG $DIGOPTS +multi dnskey bar @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep '; key id = '"$id"'$' dig.out.ns2.test$n > /dev/null && ret=1
+keys=$(grep '; key id = '"$rid"'$' dig.out.ns2.test$n | wc -l)
+test $keys -eq 2 || ret=1
+$DIG $DIGOPTS dnskey bar @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking key event timers are always set ($n)"
+ret=0
+# this is a regression test for a bug in which the next key event could
+# be scheduled for the present moment, and then never fire.  check for
+# visible evidence of this error in the logs:
+awk '/next key event/ {if ($1 == $8 && $2 == $9) exit 1}' */named.run || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# this confirms that key events are never scheduled more than
+# 'dnssec-loadkeys-interval' minutes in the future, and that the
+# event scheduled is within 10 seconds of expected interval.
+check_interval () {
+        awk '/next key event/ {print $2 ":" $9}' $1/named.run |
+	sed -e 's/\.//g' -e 's/:0\{1,4\}/:/g' |
+            awk -F: '
+                     {
+                       x = ($6+ $5*60000 + $4*3600000) - ($3+ $2*60000 + $1*3600000);
+		       # abs(x) < 1000 ms treat as 'now'
+		       if (x < 1000 && x > -1000)
+                         x = 0;
+		       # convert to seconds
+		       x = x/1000;
+		       # handle end of day roll over
+		       if (x < 0)
+			 x = x + 24*3600;
+		       # handle log timestamp being a few milliseconds later
+                       if (x != int(x))
+                         x = int(x + 1);
+                       if (int(x) > int(interval))
+                         exit (1);
+                     }
+                     END { if (int(x) > int(interval) || int(x) < int(interval-10)) exit(1) }' interval=$2 || return $?
+        return 0
+}
+
+echo_i "checking automatic key reloading interval ($n)"
+ret=0
+check_interval ns1 3600 || ret=1
+check_interval ns2 1800 || ret=1
+check_interval ns3 600 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking for key reloading loops ($n)"
+ret=0
+# every key event should schedule a successor, so these should be equal
+rekey_calls=$(grep "reconfiguring zone keys" ns*/named.run | wc -l)
+rekey_events=$(grep "next key event" ns*/named.run | wc -l)
+[ "$rekey_calls" = "$rekey_events" ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "forcing full sign with unreadable keys ($n)"
+ret=0
+chmod 0 ns1/K.+*+*.key ns1/K.+*+*.private || ret=1
+($RNDCCMD 10.53.0.1 sign . 2>&1 | sed 's/^/ns1 /' | cat_i) || ret=1
+$DIG $DIGOPTS . @10.53.0.1 dnskey > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "test turning on auto-dnssec during reconfig ($n)"
+ret=0
+# first create a zone that doesn't have auto-dnssec
+($RNDCCMD 10.53.0.3 addzone reconf.example '{ type primary; file "reconf.example.db"; };' 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+rekey_calls=$(grep "zone reconf.example.*next key event" ns3/named.run | wc -l)
+[ "$rekey_calls" -eq 0 ] || ret=1
+# ...then we add auto-dnssec and reconfigure
+($RNDCCMD 10.53.0.3 modzone reconf.example '{ type primary; file "reconf.example.db"; allow-update { any; }; auto-dnssec maintain; };' 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+rndc_reconfig ns3 10.53.0.3
+for i in 0 1 2 3 4 5 6 7 8 9; do
+    lret=0
+    rekey_calls=$(grep "zone reconf.example.*next key event" ns3/named.run | wc -l)
+    [ "$rekey_calls" -gt 0 ] || lret=1
+    if [ "$lret" -eq 0 ]; then break; fi
+    echo_i "waiting ... ($i)"
+    sleep 1
+done
+n=$((n + 1))
+if [ "$lret" != 0 ]; then ret=$lret; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "test CDS and CDNSKEY auto generation ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 sync.example cds > dig.out.ns3.cdstest$n
+$DIG $DIGOPTS @10.53.0.3 sync.example cdnskey > dig.out.ns3.cdnskeytest$n
+grep -i "sync.example.*in.cds.*[1-9][0-9]* " dig.out.ns3.cdstest$n > /dev/null || ret=1
+grep -i "sync.example.*in.cdnskey.*257 " dig.out.ns3.cdnskeytest$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "test 'dnssec-dnskey-kskonly no' affects DNSKEY/CDS/CDNSKEY ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 sync.example dnskey > dig.out.ns3.dnskeytest$n
+$DIG $DIGOPTS @10.53.0.3 sync.example cdnskey > dig.out.ns3.cdnskeytest$n
+$DIG $DIGOPTS @10.53.0.3 sync.example cds > dig.out.ns3.cdstest$n
+lines=$(awk '$4 == "RRSIG" && $5 == "DNSKEY" {print}' dig.out.ns3.dnskeytest$n | wc -l)
+test ${lines:-0} -eq 2 || ret=1
+lines=$(awk '$4 == "RRSIG" && $5 == "CDNSKEY" {print}' dig.out.ns3.cdnskeytest$n | wc -l)
+test ${lines:-0} -eq 2 || ret=1
+lines=$(awk '$4 == "RRSIG" && $5 == "CDS" {print}' dig.out.ns3.cdstest$n | wc -l)
+test ${lines:-0} -eq 2 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "test 'dnssec-dnskey-kskonly yes' affects DNSKEY/CDS/CDNSKEY ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 kskonly.example dnskey > dig.out.ns3.dnskeytest$n
+$DIG $DIGOPTS @10.53.0.3 kskonly.example cdnskey > dig.out.ns3.cdnskeytest$n
+$DIG $DIGOPTS @10.53.0.3 kskonly.example cds > dig.out.ns3.cdstest$n
+lines=$(awk '$4 == "RRSIG" && $5 == "DNSKEY" {print}' dig.out.ns3.dnskeytest$n | wc -l)
+test ${lines:-0} -eq 1 || ret=1
+lines=$(awk '$4 == "RRSIG" && $5 == "CDNSKEY" {print}' dig.out.ns3.cdnskeytest$n | wc -l)
+test ${lines:-0} -eq 1 || ret=1
+lines=$(awk '$4 == "RRSIG" && $5 == "CDS" {print}' dig.out.ns3.cdstest$n | wc -l)
+test ${lines:-0} -eq 1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "setting CDS and CDNSKEY deletion times and calling 'rndc loadkeys'"
+$SETTIME -D sync now $(cat sync.key) > settime.out.test$n || ret=1
+($RNDCCMD 10.53.0.3 loadkeys sync.example | sed 's/^/ns3 /' | cat_i) || ret=1
+
+echo_i "checking that the CDS and CDNSKEY are deleted ($n)"
+ret=0
+ensure_cds_and_cdnskey_are_deleted() {
+	$DIG $DIGOPTS @10.53.0.3 sync.example. CDS > dig.out.ns3.cdstest$n || return 1
+	awk '$1 == "sync.example." && $4 == "CDS" { exit 1; }' dig.out.ns3.cdstest$n || return 1
+	$DIG $DIGOPTS @10.53.0.3 sync.example. CDNSKEY > dig.out.ns3.cdnskeytest$n || return 1
+	awk '$1 == "sync.example." && $4 == "CDNSKEY" { exit 1; }' dig.out.ns3.cdnskeytest$n || return 1
+}
+retry 10 ensure_cds_and_cdnskey_are_deleted || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that dnssec-settime -p Dsync works ($n)"
+ret=0
+$SETTIME -p Dsync $(cat sync.key) > settime.out.test$n || ret=1
+grep "SYNC Delete:" settime.out.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that dnssec-settime -p Psync works ($n)"
+ret=0
+$SETTIME -p Psync $(cat sync.key) > settime.out.test$n || ret=1
+grep "SYNC Publish:" settime.out.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that zone with inactive KSK and active ZSK is properly autosigned ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 axfr inacksk2.example > dig.out.ns3.test$n
+
+zskid=$(awk '$4 == "DNSKEY" && $5 == 256 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -A -2 -f - inacksk2.example | awk '{ print $4}' )
+pattern="DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 2 [0-9]* [0-9]* [0-9]* ${zskid} "
+grep "${pattern}" dig.out.ns3.test$n > /dev/null || ret=1
+
+kskid=$(awk '$4 == "DNSKEY" && $5 == 257 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -2 -f - inacksk2.example | awk '{ print $4}' )
+pattern="DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 2 [0-9]* [0-9]* [0-9]* ${kskid} "
+grep "${pattern}" dig.out.ns3.test$n > /dev/null && ret=1
+
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that zone with inactive ZSK and active KSK is properly autosigned ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 axfr inaczsk2.example > dig.out.ns3.test$n
+grep "SOA ${DEFAULT_ALGORITHM_NUMBER} 2" dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+# Check that DNSKEY is now signed with the ZSK.
+#
+echo_i "check that zone with active and inactive KSK and active ZSK is properly"
+echo_ic "resigned after the active KSK is deleted - stage 2: Verify that DNSKEY"
+echo_ic "is now signed with the ZSK. ($n)"
+ret=0
+
+$DIG $DIGOPTS @10.53.0.3 axfr inacksk3.example > dig.out.ns3.test$n
+
+zskid=$(awk '$4 == "DNSKEY" && $5 == 256 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -A -2 -f - inacksk3.example | awk '{ print $4}' )
+pattern="DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 2 [0-9]* [0-9]* [0-9]* ${zskid} "
+grep "${pattern}" dig.out.ns3.test$n > /dev/null || ret=1
+
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "RRSIG" && $5 == "DNSKEY" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 1 || ret=1
+
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "DNSKEY" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 2 || ret=1
+
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+# Check that zone is now signed with the KSK.
+#
+echo_i "check that zone with active and inactive ZSK and active KSK is properly"
+echo_ic "resigned after the active ZSK is deleted - stage 2: Verify that zone"
+echo_ic "is now signed with the KSK. ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 axfr inaczsk3.example > dig.out.ns3.test$n
+kskid=$(awk '$4 == "DNSKEY" && $5 == 257 { print }' dig.out.ns3.test$n |
+       $DSFROMKEY -2 -f - inaczsk3.example | awk '{ print $4}' )
+grep "CNAME ${DEFAULT_ALGORITHM_NUMBER} 3 [0-9]* [0-9]* [0-9]* ${kskid} " dig.out.ns3.test$n > /dev/null || ret=1
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "RRSIG" && $5 == "CNAME" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 1 || ret=1
+count=$(awk 'BEGIN { count = 0 }
+       $4 == "DNSKEY" { count++ }
+       END {print count}' dig.out.ns3.test$n)
+test $count -eq 2 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking for out-of-zone NSEC3 records after ZSK removal ($n)"
+ret=0
+# Switch the zone over to NSEC3 and wait until the transition is complete.
+$RNDCCMD 10.53.0.3 signing -nsec3param 1 1 10 12345678 delzsk.example. > signing.out.1.test$n 2>&1 || ret=1
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	_ret=1
+	$DIG $DIGOPTS delzsk.example NSEC3PARAM @10.53.0.3 > dig.out.ns3.1.test$n 2>&1 || ret=1
+	{ grep "NSEC3PARAM.*12345678" dig.out.ns3.1.test$n > /dev/null 2>&1; rc=$?; } || true
+	if [ $rc -eq 0 ]; then
+		$RNDCCMD 10.53.0.3 signing -list delzsk.example > signing.out.2.test$n 2>&1
+		{ grep "Creating NSEC3 chain " signing.out.2.test$n > /dev/null 2>&1; rc=$?; } || true
+		if [ $rc -ne 0 ]; then
+			_ret=0
+			break
+		fi
+	fi
+	sleep 1
+done
+if [ $_ret -ne 0 ]; then
+	echo_i "timed out waiting for NSEC3 chain creation"
+	ret=1
+fi
+# Mark the inactive ZSK as pending removal.
+file="ns3/$(cat delzsk.key).key"
+$SETTIME -D now-1h $file > settime.out.test$n || ret=1
+# Trigger removal of the inactive ZSK and wait until its completion.
+($RNDCCMD 10.53.0.3 loadkeys delzsk.example 2>&1 | sed 's/^/ns3 /' | cat_i) || ret=1
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	_ret=1
+	$RNDCCMD 10.53.0.3 signing -list delzsk.example > signing.out.3.test$n 2>&1
+	{ grep "Signing " signing.out.3.test$n > /dev/null 2>&1; rc=$?; } || true
+	if [ $rc -ne 0 ]; then
+		if [ $(grep "Done signing " signing.out.3.test$n | wc -l) -eq 2 ]; then
+			_ret=0
+			break
+		fi
+	fi
+	sleep 1
+done
+if [ $_ret -ne 0 ]; then
+	echo_i "timed out waiting for key removal"
+	ret=1
+fi
+# Check whether key removal caused NSEC3 records to be erroneously created for
+# glue records due to a secure delegation already being signed by the active key
+# (i.e. a key other than the one being removed but using the same algorithm).
+#
+# For reference:
+#
+#     $ nsec3hash 12345678 1 10 ns.sub.delzsk.example.
+#     589R358VSPJUFVAJU949JPVF74D9PTGH (salt=12345678, hash=1, iterations=10)
+#
+$DIG $DIGOPTS delzsk.example AXFR @10.53.0.3 > dig.out.ns3.3.test$n || ret=1
+grep "589R358VSPJUFVAJU949JPVF74D9PTGH" dig.out.ns3.3.test$n > /dev/null 2>&1 && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that DNAME at apex with NSEC3 is correctly signed (auto-dnssec maintain) ($n)"
+ret=0
+$DIG $DIGOPTS txt dname-at-apex-nsec3.example @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "RRSIG NSEC3 ${DEFAULT_ALGORITHM_NUMBER} 3 600" dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that DNAME is not treated as a delegation when signing ($n)"
+ret=0
+$DIG $DIGOPTS dname-and-txt.secure.example. DNAME @10.53.0.3 > dig.out.ns3.1.test$n || ret=1
+grep "dname-and-txt.secure.example.*RRSIG.*DNAME" dig.out.ns3.1.test$n > /dev/null 2>&1 || ret=1
+$DIG $DIGOPTS dname-and-txt.secure.example. TXT @10.53.0.3 > dig.out.ns3.2.test$n || ret=1
+grep "dname-and-txt.secure.example.*RRSIG.*TXT" dig.out.ns3.2.test$n > /dev/null 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking key maintenance events were logged correctly ($n)"
+ret=0
+pub=$(grep "DNSKEY .* is now published" ns1/named.run | wc -l)
+[ "$pub" -eq 6 ] || ret=1
+act=$(grep "DNSKEY .* is now active" ns1/named.run | wc -l)
+[ "$act" -eq 5 ] || ret=1
+rev=$(grep "DNSKEY .* is now revoked" ns1/named.run | wc -l)
+[ "$rev" -eq 1 ] || ret=1
+inac=$(grep "DNSKEY .* is now inactive" ns1/named.run | wc -l)
+[ "$inac" -eq 1 ] || ret=1
+del=$(grep "DNSKEY .* is now deleted" ns1/named.run | wc -l)
+[ "$del" -eq 1 ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that CDS (DELETE) persists after zone sign ($n)"
+echo_i "update add cds-delete.example. CDS 0 0 00"
+ret=0
+$NSUPDATE > nsupdate.out 2>&1 <<END
+server 10.53.0.3 ${PORT}
+zone cds-delete.example.
+update add cds-delete.example. 3600 CDS 0 0 0 00
+send
+END
+
+_cds_delete() (
+	$DIG $DIGOPTS +noall +answer $1 cds @10.53.0.3 > dig.out.ns3.test$n || return 1
+	grep "CDS.*0.*0.*0.*00" dig.out.ns3.test$n > /dev/null 2>&1 || return 1
+	return 0
+)
+_cdnskey_delete_nx() {
+	$DIG $DIGOPTS +noall +answer $1 cdnskey @10.53.0.3 > dig.out.ns3.test$n || return 1
+	grep "CDNSKEY.*0.*3.*0.*AA==" dig.out.ns3.test$n > /dev/null 2>&1 && return 1
+	return 0
+}
+
+echo_i "query cds-delete.example. CDS"
+retry_quiet 10 _cds_delete cds-delete.example. || ret=1
+echo_i "query cds-delete.example. CDNSKEY"
+retry_quiet 1 _cdnskey_delete_nx cds-delete.example. || ret=1
+
+echo_i "sign cds-delete.example."
+nextpart ns3/named.run >/dev/null
+$RNDCCMD 10.53.0.3 sign cds-delete.example > /dev/null 2>&1 || ret=1
+wait_for_log 10 "zone cds-delete.example/IN: next key event" ns3/named.run
+# The CDS (DELETE) record should still be here.
+echo_i "query cds-delete.example. CDS"
+retry_quiet 1 _cds_delete cds-delete.example. || ret=1
+# The CDNSKEY (DELETE) record should still not be added.
+echo_i "query cds-delete.example. CDNSKEY"
+retry_quiet 1 _cdnskey_delete_nx cds-delete.example. || ret=1
+
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that CDNSKEY (DELETE) persists after zone sign ($n)"
+echo_i "update add cdnskey-delete.example. CDNSKEY 0 3 0 AA=="
+ret=0
+$NSUPDATE > nsupdate.out 2>&1 <<END
+server 10.53.0.3 ${PORT}
+zone cdnskey-delete.example.
+update add cdnskey-delete.example. 3600 CDNSKEY 0 3 0 AA==
+send
+END
+
+_cds_delete_nx() (
+	$DIG $DIGOPTS +noall +answer $1 cds @10.53.0.3 > dig.out.ns3.test$n || return 1
+	grep "CDS.*0.*0.*0.*00" dig.out.ns3.test$n > /dev/null 2>&1 && return 1
+	return 0
+)
+_cdnskey_delete() {
+	$DIG $DIGOPTS +noall +answer $1 cdnskey @10.53.0.3 > dig.out.ns3.test$n || return 1
+	grep "CDNSKEY.*0.*3.*0.*AA==" dig.out.ns3.test$n > /dev/null 2>&1 || return 1
+	return 0
+}
+
+echo_i "query cdnskey-delete.example. CDNSKEY"
+retry_quiet 10 _cdnskey_delete cdnskey-delete.example. || ret=1
+echo_i "query cdnskey-delete.example. CDS"
+retry_quiet 1 _cds_delete_nx cdnskey-delete.example. || ret=1
+
+echo_i "sign cdsnskey-delete.example."
+nextpart ns3/named.run >/dev/null
+$RNDCCMD 10.53.0.3 sign cdnskey-delete.example > /dev/null 2>&1 || ret=1
+wait_for_log 10 "zone cdnskey-delete.example/IN: next key event" ns3/named.run
+# The CDNSKEY (DELETE) record should still be here.
+echo_i "query cdnskey-delete.example. CDNSKEY"
+retry_quiet 1 _cdnskey_delete cdnskey-delete.example. || ret=1
+# The CDS (DELETE) record should still not be added.
+echo_i "query cdnskey-delete.example. CDS"
+retry_quiet 1 _cds_delete_nx cdnskey-delete.example. || ret=1
+
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check removal of ENT NSEC3 records when opt out delegations are removed ($n)"
+ret=0
+zone=optout-with-ent
+hash=JTR8R6AVFULU0DQH9I6HNN2KUK5956EL
+# check that NSEC3 for ENT is present
+$DIG $DIGOPTS @10.53.0.2 a "ent.${zone}" > dig.out.pre.ns2.test$n
+grep "status: NOERROR" dig.out.pre.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0, AUTHORITY: 4, " dig.out.pre.ns2.test$n > /dev/null || ret=1
+grep "^${hash}.${zone}." dig.out.pre.ns2.test$n > /dev/null || ret=1
+# remove first delegation of two delegations, NSEC3 for ENT should remain.
+(
+echo zone $zone
+echo server 10.53.0.2 "$PORT"
+echo update del sub1.ent.$zone NS
+echo send
+) | $NSUPDATE
+# check that NSEC3 for ENT is still present
+$DIG $DIGOPTS @10.53.0.2 a "ent.${zone}" > dig.out.pre.ns2.test$n
+$DIG $DIGOPTS @10.53.0.2 a "ent.${zone}" > dig.out.mid.ns2.test$n
+grep "status: NOERROR" dig.out.mid.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0, AUTHORITY: 4, " dig.out.mid.ns2.test$n > /dev/null || ret=1
+grep "^${hash}.${zone}." dig.out.mid.ns2.test$n > /dev/null || ret=1
+# remove second delegation of two delegations, NSEC3 for ENT should be deleted.
+(
+echo zone $zone
+echo server 10.53.0.2 "$PORT"
+echo update del sub2.ent.$zone NS
+echo send
+) | $NSUPDATE
+# check that NSEC3 for ENT is gone present
+$DIG $DIGOPTS @10.53.0.2 a "ent.${zone}" > dig.out.post.ns2.test$n
+grep "status: NXDOMAIN" dig.out.post.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0, AUTHORITY: 4, " dig.out.post.ns2.test$n > /dev/null || ret=1
+grep "^${hash}.${zone}." dig.out.post.ns2.test$n > /dev/null && ret=1
+$DIG $DIGOPTS @10.53.0.2 axfr "${zone}" > dig.out.axfr.ns2.test$n
+grep "^${hash}.${zone}." dig.out.axfr.ns2.test$n > /dev/null && ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/autosign/tests_sh_autosign.py b/bin/tests/system/autosign/tests_sh_autosign.py
new file mode 100644
index 0000000..16dfc29
--- /dev/null
+++ b/bin/tests/system/autosign/tests_sh_autosign.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_autosign(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/builtin/clean.sh b/bin/tests/system/builtin/clean.sh
new file mode 100644
index 0000000..1ad33dc
--- /dev/null
+++ b/bin/tests/system/builtin/clean.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns?/named.run
+rm -f ns?/named.memstats
+rm -f ns?/named.conf
+rm -f rndc.status.ns*
+rm -f dig.out.ns*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/builtin/ns1/named.conf.in b/bin/tests/system/builtin/ns1/named.conf.in
new file mode 100644
index 0000000..723e6b2
--- /dev/null
+++ b/bin/tests/system/builtin/ns1/named.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/builtin/ns2/named.conf.in b/bin/tests/system/builtin/ns2/named.conf.in
new file mode 100644
index 0000000..38b95f0
--- /dev/null
+++ b/bin/tests/system/builtin/ns2/named.conf.in
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	server-id hostname;
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/builtin/ns3/named.conf.in b/bin/tests/system/builtin/ns3/named.conf.in
new file mode 100644
index 0000000..df538db
--- /dev/null
+++ b/bin/tests/system/builtin/ns3/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	hostname "this.is.a.test.of.hostname";
+	server-id "this.is.a.test.of.server-id";
+	version "this is a test of version";
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/builtin/setup.sh b/bin/tests/system/builtin/setup.sh
new file mode 100644
index 0000000..7ffda55
--- /dev/null
+++ b/bin/tests/system/builtin/setup.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
diff --git a/bin/tests/system/builtin/tests.sh b/bin/tests/system/builtin/tests.sh
new file mode 100644
index 0000000..9151fc3
--- /dev/null
+++ b/bin/tests/system/builtin/tests.sh
@@ -0,0 +1,248 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+status=0
+n=0
+
+emptyzones="
+10.IN-ADDR.ARPA
+16.172.IN-ADDR.ARPA
+17.172.IN-ADDR.ARPA
+18.172.IN-ADDR.ARPA
+19.172.IN-ADDR.ARPA
+20.172.IN-ADDR.ARPA
+21.172.IN-ADDR.ARPA
+22.172.IN-ADDR.ARPA
+23.172.IN-ADDR.ARPA
+24.172.IN-ADDR.ARPA
+25.172.IN-ADDR.ARPA
+26.172.IN-ADDR.ARPA
+27.172.IN-ADDR.ARPA
+28.172.IN-ADDR.ARPA
+29.172.IN-ADDR.ARPA
+30.172.IN-ADDR.ARPA
+31.172.IN-ADDR.ARPA
+168.192.IN-ADDR.ARPA
+64.100.IN-ADDR.ARPA
+65.100.IN-ADDR.ARPA
+66.100.IN-ADDR.ARPA
+67.100.IN-ADDR.ARPA
+68.100.IN-ADDR.ARPA
+69.100.IN-ADDR.ARPA
+70.100.IN-ADDR.ARPA
+71.100.IN-ADDR.ARPA
+72.100.IN-ADDR.ARPA
+73.100.IN-ADDR.ARPA
+74.100.IN-ADDR.ARPA
+75.100.IN-ADDR.ARPA
+76.100.IN-ADDR.ARPA
+77.100.IN-ADDR.ARPA
+78.100.IN-ADDR.ARPA
+79.100.IN-ADDR.ARPA
+80.100.IN-ADDR.ARPA
+81.100.IN-ADDR.ARPA
+82.100.IN-ADDR.ARPA
+83.100.IN-ADDR.ARPA
+84.100.IN-ADDR.ARPA
+85.100.IN-ADDR.ARPA
+86.100.IN-ADDR.ARPA
+87.100.IN-ADDR.ARPA
+88.100.IN-ADDR.ARPA
+89.100.IN-ADDR.ARPA
+90.100.IN-ADDR.ARPA
+91.100.IN-ADDR.ARPA
+92.100.IN-ADDR.ARPA
+93.100.IN-ADDR.ARPA
+94.100.IN-ADDR.ARPA
+95.100.IN-ADDR.ARPA
+96.100.IN-ADDR.ARPA
+97.100.IN-ADDR.ARPA
+98.100.IN-ADDR.ARPA
+99.100.IN-ADDR.ARPA
+100.100.IN-ADDR.ARPA
+101.100.IN-ADDR.ARPA
+102.100.IN-ADDR.ARPA
+103.100.IN-ADDR.ARPA
+104.100.IN-ADDR.ARPA
+105.100.IN-ADDR.ARPA
+106.100.IN-ADDR.ARPA
+107.100.IN-ADDR.ARPA
+108.100.IN-ADDR.ARPA
+109.100.IN-ADDR.ARPA
+110.100.IN-ADDR.ARPA
+111.100.IN-ADDR.ARPA
+112.100.IN-ADDR.ARPA
+113.100.IN-ADDR.ARPA
+114.100.IN-ADDR.ARPA
+115.100.IN-ADDR.ARPA
+116.100.IN-ADDR.ARPA
+117.100.IN-ADDR.ARPA
+118.100.IN-ADDR.ARPA
+119.100.IN-ADDR.ARPA
+120.100.IN-ADDR.ARPA
+121.100.IN-ADDR.ARPA
+122.100.IN-ADDR.ARPA
+123.100.IN-ADDR.ARPA
+124.100.IN-ADDR.ARPA
+125.100.IN-ADDR.ARPA
+126.100.IN-ADDR.ARPA
+127.100.IN-ADDR.ARPA
+0.IN-ADDR.ARPA
+127.IN-ADDR.ARPA
+254.169.IN-ADDR.ARPA
+2.0.192.IN-ADDR.ARPA
+100.51.198.IN-ADDR.ARPA
+113.0.203.IN-ADDR.ARPA
+255.255.255.255.IN-ADDR.ARPA
+0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.ARPA
+1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.ARPA
+D.F.IP6.ARPA
+8.E.F.IP6.ARPA
+9.E.F.IP6.ARPA
+A.E.F.IP6.ARPA
+B.E.F.IP6.ARPA
+8.B.D.0.1.0.0.2.IP6.ARPA
+EMPTY.AS112.ARPA
+HOME.ARPA"
+
+n=$((n + 1))
+ret=0
+count=0
+echo_i "Checking expected empty zones were configured ($n)"
+for zone in ${emptyzones}
+do
+	grep "automatic empty zone: $zone" ns1/named.run > /dev/null || {
+		echo_i "failed (empty zone $zone missing)"
+		ret=1
+	}
+	count=$((count + 1))
+done
+lines=$(grep "automatic empty zone: " ns1/named.run | wc -l)
+test $count -eq $lines -a $count -eq 99 || {
+	ret=1; echo_i "failed (count mismatch)";
+}
+if [ $ret != 0 ] ; then status=$((status + ret)); fi
+
+n=$((n + 1))
+echo_i "Checking that reconfiguring empty zones is silent ($n)"
+$RNDCCMD 10.53.0.1 reconfig
+ret=0
+grep "automatic empty zone" ns1/named.run > /dev/null || ret=1
+grep "received control channel command 'reconfig'" ns1/named.run > /dev/null || ret=1
+grep "reloading configuration succeeded" ns1/named.run > /dev/null || ret=1
+sleep 1
+grep "zone serial (0) unchanged." ns1/named.run > /dev/null && ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+n=$((n + 1))
+echo_i "Checking that reloading empty zones is silent ($n)"
+rndc_reload ns1 10.53.0.1
+ret=0
+grep "automatic empty zone" ns1/named.run > /dev/null || ret=1
+grep "received control channel command 'reload'" ns1/named.run > /dev/null || ret=1
+grep "reloading configuration succeeded" ns1/named.run > /dev/null || ret=1
+sleep 1
+grep "zone serial (0) unchanged." ns1/named.run > /dev/null && ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+HOST_NAME=$($FEATURETEST --gethostname)
+BIND_VERSION_STRING=$($NAMED -V | head -1)
+BIND_VERSION=$($NAMED -V | sed -ne 's/^BIND \([^ ]*\).*/\1/p')
+
+n=$((n + 1))
+ret=0
+echo_i "Checking that default version works for rndc ($n)"
+$RNDCCMD 10.53.0.1 status > rndc.status.ns1.$n 2>&1
+grep -F "version: $BIND_VERSION_STRING" rndc.status.ns1.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+n=$((n + 1))
+ret=0
+echo_i "Checking that custom version works for rndc ($n)"
+$RNDCCMD 10.53.0.3 status > rndc.status.ns3.$n 2>&1
+grep -F "version: $BIND_VERSION_STRING (this is a test of version)" rndc.status.ns3.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+n=$((n + 1))
+ret=0
+echo_i "Checking that default version works for query ($n)"
+$DIG $DIGOPTS +short version.bind txt ch @10.53.0.1 > dig.out.ns1.$n || ret=1
+grep "^\"$BIND_VERSION\"$" dig.out.ns1.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+n=$((n + 1))
+ret=0
+echo_i "Checking that custom version works for query ($n)"
+$DIG $DIGOPTS +short version.bind txt ch @10.53.0.3 > dig.out.ns3.$n || ret=1
+grep "^\"this is a test of version\"$" dig.out.ns3.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+n=$((n + 1))
+ret=0
+echo_i "Checking that default hostname works for query ($n)"
+$DIG $DIGOPTS +short hostname.bind txt ch @10.53.0.1 > dig.out.ns1.$n || ret=1
+grep "^\"$HOST_NAME\"$" dig.out.ns1.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+n=$((n + 1))
+ret=0
+echo_i "Checking that custom hostname works for query ($n)"
+$DIG $DIGOPTS +short hostname.bind txt ch @10.53.0.3 > dig.out.ns3.$n || ret=1
+grep "^\"this.is.a.test.of.hostname\"$" dig.out.ns3.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+n=$((n + 1))
+ret=0
+echo_i "Checking that default server-id is none for query ($n)"
+$DIG $DIGOPTS id.server txt ch @10.53.0.1 > dig.out.ns1.$n || ret=1
+grep "status: NOERROR" dig.out.ns1.$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns1.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+n=$((n + 1))
+ret=0
+echo_i "Checking that server-id hostname works for query ($n)"
+$DIG $DIGOPTS +short id.server txt ch @10.53.0.2 > dig.out.ns2.$n || ret=1
+grep "^\"$HOST_NAME\"$" dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+n=$((n + 1))
+ret=0
+echo_i "Checking that server-id hostname works for EDNS name server ID request ($n)"
+$DIG $DIGOPTS +norec +nsid foo @10.53.0.2 > dig.out.ns2.$n || ret=1
+grep "^; NSID: .* (\"$HOST_NAME\")$" dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+n=$((n + 1))
+ret=0
+echo_i "Checking that custom server-id works for query ($n)"
+$DIG $DIGOPTS +short id.server txt ch @10.53.0.3 > dig.out.ns3.$n || ret=1
+grep "^\"this.is.a.test.of.server-id\"$" dig.out.ns3.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+n=$((n + 1))
+ret=0
+echo_i "Checking that custom server-id works for EDNS name server ID request ($n)"
+$DIG $DIGOPTS +norec +nsid foo @10.53.0.3 > dig.out.ns3.$n || ret=1
+grep "^; NSID: .* (\"this.is.a.test.of.server-id\")$" dig.out.ns3.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/builtin/tests_sh_builtin.py b/bin/tests/system/builtin/tests_sh_builtin.py
new file mode 100644
index 0000000..2246cb4
--- /dev/null
+++ b/bin/tests/system/builtin/tests_sh_builtin.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_builtin(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/cacheclean/clean.sh b/bin/tests/system/cacheclean/clean.sh
new file mode 100644
index 0000000..b346e65
--- /dev/null
+++ b/bin/tests/system/cacheclean/clean.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after cache cleaner tests.
+#
+
+rm -f dig.out.ns2
+rm -f dig.out.expire
+rm -f rndc.out.*
+rm -f sed.out.*
+rm -f */named.memstats
+rm -f */named.run
+rm -f */named.conf
+rm -f ns2/named_dump.db.*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/cacheclean/dig.batch b/bin/tests/system/cacheclean/dig.batch
new file mode 100644
index 0000000..d185204
--- /dev/null
+++ b/bin/tests/system/cacheclean/dig.batch
@@ -0,0 +1,924 @@
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+DNS.NIC.CD. IN A
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+35.32/27.110.16.12.IN-ADDR.ARPA. IN PTR
+CCC.champcable.com. IN A
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+KIM.CAMNET.CM. IN A
+DOGON.SOTELMA.net. IN A
+DNS02.FLAME.org. IN A
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+mail.ok.RU. IN A
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+SHIKHAR.MOS.COM.NP. IN A
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+smtp.ELISTX.com. IN A
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+from.PL. IN A
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+netnews.HINET.net. IN A
+INS2.TOSA.TWTELECOM.net. IN A
+proxy6.cisco.com. IN A
+NS2.HOST4U.net. IN A
+POIPARAU.OYSTER.NET.CK. IN A
+NS-EXT.VIX.com. IN A
+NS2.NURSAT.net. IN A
+mail2.kw.com.CN. IN A
+NS-02B.ANS.net. IN A
+DNS.RCCN.net. IN A
+B.ROOT-SERVERS.ORSC. IN A
+FIREHOUSE.net. IN A
diff --git a/bin/tests/system/cacheclean/knowngood.dig.out b/bin/tests/system/cacheclean/knowngood.dig.out
new file mode 100644
index 0000000..a0f087e
--- /dev/null
+++ b/bin/tests/system/cacheclean/knowngood.dig.out
@@ -0,0 +1,953 @@
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+UPR1.UPR.CLU.EDU.	604800	IN	A	136.145.1.4
+integra.s-integra.co.JP. 604800	IN	A	210.162.202.34
+avalon.iks-jena.de.	604800	IN	A	194.221.90.34
+NS1.GLOBALDNS.com.	604800	IN	A	206.253.214.11
+NS.RDU.BELLSOUTH.net.	604800	IN	A	205.152.32.20
+ns.space.net.		604800	IN	A	195.30.0.1
+SUN.MHS-RELAY.AC.UK.	604800	IN	A	128.86.8.25
+AYAX.UNIANDES.EDU.CO.	604800	IN	A	157.253.50.30
+DNS.NIC.CD.		604800	IN	A	194.38.74.11
+NS.DNS.PT.		604800	IN	A	193.136.0.1
+NS1.INTERNETSHARE.com.	604800	IN	A	63.207.108.53
+MASTER.DNS.BE.		604800	IN	A	194.7.171.243
+CATAMOUNT.middlebury.EDU. 604800 IN	A	140.233.2.204
+FM03.FM.		604800	IN	A	206.49.89.4
+NAAMAK.NCST.ERNET.IN.	604800	IN	A	202.41.110.66
+gateway2.BFG.com.	604800	IN	A	166.102.214.66
+NS3.NS.ESAT.net.	604800	IN	A	192.111.39.100
+DNS1.INTUIT.com.	604800	IN	A	208.157.255.4
+DEN-NS2.FWIDCSERVICES.net. 604800 IN	A	216.7.160.32
+SOL.UNDPBI.TELEPAC.net.	604800	IN	A	194.65.87.2
+NS2.tridog.com.		604800	IN	A	206.168.112.51
+DNS2.KW.		604800	IN	A	161.252.48.150
+NS2.MAIL.com.		604800	IN	A	165.251.1.3
+NS.FIRSTCOM.CL.		604800	IN	A	200.27.2.2
+DNS4.QUICKEN.com.	604800	IN	A	198.3.99.252
+bofh.cid.net.		604800	IN	A	212.172.21.254
+NS1.KRNIC.net.		604800	IN	A	202.30.50.51
+NS2.SR.net.		604800	IN	A	200.1.156.11
+NS1.TELSTRA.net.	604800	IN	A	139.130.4.5
+ns.cafax.SE.		604800	IN	A	192.71.228.17
+NS1.DNS.NET.NZ.		604800	IN	A	202.46.161.3
+NS.CONCOURSE.com.	604800	IN	A	199.218.113.2
+35.32/27.110.16.12.IN-ADDR.ARPA. 604800	IN PTR	mail.nova-data.com.
+CCC.champcable.com.	604800	IN	A	207.41.53.11
+NS.RIPE.net.		604800	IN	A	193.0.0.193
+NS.NIC.NU.		604800	IN	A	128.11.47.50
+KIM.CAMNET.CM.		604800	IN	A	195.24.192.35
+DOGON.SOTELMA.net.	604800	IN	A	208.144.230.1
+DNS02.FLAME.org.	604800	IN	A	204.152.184.97
+NS.MIA.BELLSOUTH.net.	604800	IN	A	205.152.16.20
+mail.ok.RU.		604800	IN	A	195.2.83.162
+NS.NIC.MX.		604800	IN	A	200.23.1.1
+NS2.BERKELEY.EDU.	604800	IN	A	128.32.136.12
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+NS.KORNET.net.		604800	IN	A	168.126.63.1
+keith.gazpacho.org.	604800	IN	A	209.67.235.37
+NS2.appliedtheory.com.	604800	IN	A	168.75.17.11
+NS.CERNET.net.		604800	IN	A	202.112.0.44
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+NS-AIT.THNIC.net.	604800	IN	A	192.41.170.219
+from.PL.		604800	IN	A	212.160.132.114
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+SEC1.DNS.UK.PSI.net.	604800	IN	A	154.32.105.34
+isrv3-i.isc.org.	604800	IN	A	204.152.184.87
+PHLOEM.UOREGON.EDU.	604800	IN	A	128.223.32.35
+CTINA.AR.		604800	IN	A	200.16.97.17
+DNS2.IAM.NET.MA.	604800	IN	A	212.217.0.12
+10.126.39.137.IN-ADDR.ARPA. 604800 IN	PTR	Fddi0-0.New-York4.NY.ALTER.NET.
+DNS.PRINCETON.EDU.	604800	IN	A	128.112.129.15
+NS.BELLSOUTH.net.	604800	IN	A	205.152.0.5
+NS1.SNS-FELB.DEBIS.com.	604800	IN	A	53.122.1.10
+localhost.		604800	IN	A	127.0.0.1
+hm6.vt.highmeadow.com.	604800	IN	A	207.136.209.6
+SYRUP.hill.com.		604800	IN	A	208.162.106.3
+NS99.WAIKATO.AC.NZ.	604800	IN	A	130.217.76.27
+NS4.CW.net.		604800	IN	A	204.70.49.234
+NS2.SLOWMOE.com.	604800	IN	A	137.118.8.50
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+NS2.MERCHANTWARE.com.	604800	IN	A	209.170.142.35
+uunymdgds1.DOUBLECLICK.net. 604800 IN	A	206.65.183.21
+e34.co.us.IBM.com.	604800	IN	A	32.97.110.132
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+ZEBRA.UEM.MZ.		604800	IN	A	196.3.96.67
+NET2.GENDYN.com.	604800	IN	A	204.60.171.9
+NS0.UTK.EDU.		604800	IN	A	160.36.0.66
+NS.RELCOM.EU.net.	604800	IN	A	193.124.23.3
+DNS0.AXION.BT.CO.UK.	604800	IN	A	132.146.5.1
+mail.vhv.com.		604800	IN	A	208.5.161.11
+DNS4.UK.MSFT.net.	604800	IN	A	213.199.144.152
+NS2.ADNS.net.		604800	IN	A	199.5.157.3
+NS1.SEATTLE.US.NETDNS.com. 604800 IN	A	206.253.214.13
+NS2.UNIVIE.AC.at.	604800	IN	A	193.171.255.66
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+www.BAYAREA.com.	604800	IN	CNAME	vh80040.vh8.infi.net.
+ns4.onemain.com.	604800	IN	A	63.208.210.11
+NS2.EDIGITALS.com.	604800	IN	A	211.39.139.36
+MICHAEL.VATICAN.VA.	604800	IN	A	212.77.0.2
+AUSTIN.GH.com.		604800	IN	A	196.3.64.1
+sld-ns2.CNNIC.NET.CN.	604800	IN	A	202.97.16.197
+NS2.CDC.GOV.		604800	IN	A	198.246.96.92
+NS.WATSON.IBM.com.	604800	IN	A	198.81.209.2
+NS.NIC.SH.		604800	IN	A	194.205.62.60
+NS2.BAHNHOF.net.	604800	IN	A	212.85.64.4
+NS-AUTH2.cmates.com.	604800	IN	A	208.23.213.3
+ISDMNL.WR.USGS.GOV.	604800	IN	A	130.118.4.2
+NS2.COBEX.net.		604800	IN	A	207.102.129.72
+MERLE.CIRA.CA.		604800	IN	A	64.26.149.98
+NS.UVG.EDU.GT.		604800	IN	A	168.234.68.2
+NS1.CWVA.DOUBLECLICK.net. 604800 IN	A	205.138.3.20
+eliot.diebold.com.	604800	IN	A	204.151.249.21
+NS.ALMADEN.IBM.com.	604800	IN	A	198.4.83.35
+NS2.INTERNETSQUARE.com.	604800	IN	A	205.227.232.9
+mail.QUEST-NET.com.	604800	IN	A	207.140.30.11
+Z1.NS.LHR1.GLOBIX.net.	604800	IN	A	212.111.32.38
+DNS1.AVANTEL.NET.MX.	604800	IN	A	200.33.213.66
+vh80040.vh8.INFI.net.	604800	IN	A	209.97.59.245
+NS.LEB.net.		604800	IN	A	206.127.55.2
+NS.DCC.UCHILE.CL.	604800	IN	A	146.83.5.204
+CLOUSO.RISQ.QC.CA.	604800	IN	A	192.26.210.1
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+us.a1.YIMG.com.		604800	IN	CNAME	a32.g.a.YIMG.com.
+NS.DEMOS.SU.		604800	IN	A	194.87.0.8
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+south.NAVPOINT.com.	604800	IN	A	207.106.42.12
+netconsult.netconx.de.	604800	IN	A	193.141.75.1
+DNS2.btinternet.com.	604800	IN	A	194.73.73.94
+NS2.CINE.net.		604800	IN	A	207.168.250.12
+castor.cmc.ec.gc.CA.	604800	IN	A	142.135.4.14
+EX2-DNS0.AVENUEA.com.	604800	IN	A	216.34.88.20
+firewall3.glaxowellcome.com. 604800 IN	A	192.58.204.207
+MACU.MA.MT.NP.ELS-GMS.att.net. 604800 IN A	199.191.145.136
+NS.PA.			604800	IN	A	168.77.8.2
+TGSERV.TELE.GL.		604800	IN	A	194.177.224.7
+KYNSE02.MESSAGESECURE.com. 604800 IN	A	216.142.252.201
+GORGON.XTRA.CO.NZ.	604800	IN	A	202.27.158.34
+DNS.NIC.IT.		604800	IN	A	193.205.245.5
+pop.VERMONTEL.net.	604800	IN	CNAME	loomis.VERMONTEL.net.
+NS2.REGISTRY.HM.	604800	IN	A	209.54.168.55
+NAMESERVER1.CONCENTRIC.net. 604800 IN	A	207.155.183.73
+47.131.127.204.IN-ADDR.ARPA. 604800 IN	PTR	mtiwmhc22.worldnet.att.net.
+mailhost.tfm.com.	604800	IN	A	192.231.224.11
+NS1.MRC.GM.		604800	IN	A	212.60.69.1
+NS.WIDE.AD.JP.		604800	IN	A	203.178.136.63
+NS.BTA.NET.CN.		604800	IN	A	202.96.0.133
+NS2.ISPC.org.		604800	IN	A	209.124.64.11
+BOW.RAIN.FR.		604800	IN	A	194.51.3.49
+srs.srs.state.vt.us.	604800	IN	A	159.105.101.150
+NS4.WEB2010.com.	604800	IN	A	216.157.55.6
+NS.TELECOM.NET.ET.	604800	IN	A	196.27.22.43
+NS1.DNS.NET.KH.		604800	IN	A	203.127.100.21
+GATEN.JARING.MY.	604800	IN	A	161.142.227.17
+shell.nominum.com.	604800	IN	A	204.152.187.59
+CHEOPS.ANU.EDU.AU.	604800	IN	A	150.203.224.24
+VANGOGH.CS.BERKELEY.EDU. 604800	IN	A	128.32.33.5
+NS2.NOC.NULLUS.net.	604800	IN	A	63.119.253.254
+NIC.LTH.SE.		604800	IN	A	130.235.20.3
+ns.farm.net.		604800	IN	A	216.112.179.160
+NS.USEC.SUN.com.	604800	IN	A	192.9.48.3
+NS2.YOUR-DOMAIN.com.	604800	IN	A	216.167.31.177
+DNS-EAST.PREP.net.	604800	IN	A	129.250.252.10
+ns.hcr.net.		604800	IN	A	208.240.246.4
+NS-RCH.nortelnetworks.com. 604800 IN	A	192.135.215.2
+crl.DEC.com.		604800	IN	A	192.58.206.2
+NS.PIXAR.ES.		604800	IN	A	194.143.196.3
+MEX1-M-213.UNINET.NET.MX. 604800 IN	A	200.33.146.213
+NS.ITU.CH.		604800	IN	A	156.106.192.121
+matrix.uwm.EDU.PL.	604800	IN	A	213.184.3.136
+gateway1.gmcr.com.	604800	IN	A	12.34.108.130
+NS2.DNS.BR.		604800	IN	A	200.19.119.99
+foxharp.boston.MA.us.	604800	IN	MX	10 bparker.connactivity.com.
+Quest-7.symquest.com.	604800	IN	A	64.69.102.131
+NS2.VERIO.net.		604800	IN	A	129.250.31.190
+NAME.IAD.GBLX.net.	604800	IN	A	204.152.166.155
+NS2.EMIRATES.NET.AE.	604800	IN	A	194.170.1.7
+supai.oit.UMASS.EDU.	604800	IN	A	128.119.175.6
+QUERN.EPILOGUE.com.	604800	IN	A	128.224.1.136
+NS3.TOPICA.com.		604800	IN	A	206.111.131.72
+NS1.JERKY.net.		604800	IN	A	204.57.55.100
+JTB.BRUNET.BN.		604800	IN	A	202.160.8.2
+AUTH100.NS.UU.net.	604800	IN	A	198.6.1.202
+BOW.INTNET.DJ.		604800	IN	A	193.251.143.253
+OSI2.GUA.net.		604800	IN	A	205.161.188.3
+AZMODAN.ULA.VE.		604800	IN	A	150.185.130.16
+THUMPER.RPSLMC.EDU.	604800	IN	A	144.74.22.8
+ICHU.RCP.NET.PE.	604800	IN	A	161.132.5.14
+NS.NIC.AC.		604800	IN	A	194.205.62.120
+DNS.NETFLIGHT.com.	604800	IN	A	207.88.32.2
+ns2.UTORONTO.CA.	604800	IN	A	128.100.102.202
+mail.giffordmed.org.	604800	IN	A	130.189.100.51
+RATA.VUW.AC.NZ.		604800	IN	A	130.195.2.11
+NS-2.ADMONITOR.net.	604800	IN	A	216.35.185.40
+NCC.MOC.KW.		604800	IN	A	196.1.69.98
+NS.EUNET.ES.		604800	IN	A	193.127.1.11
+NS3.best.com.		604800	IN	A	209.24.149.42
+zip.MAIL-LIST.com.	604800	IN	MX	5 zip.MAIL-LIST.com.
+zip.MAIL-LIST.com.	604800	IN	MX	20 sluice.MAIL-LIST.com.
+zip.MAIL-LIST.com.	604800	IN	MX	20 pipeline.MAIL-LIST.com.
+zip.MAIL-LIST.com.	604800	IN	MX	20 transport.MAIL-LIST.com.
+zip.MAIL-LIST.com.	604800	IN	MX	50 brisk.MAIL-LIST.com.
+zip.MAIL-LIST.com.	604800	IN	MX	50 swifty.MAIL-LIST.com.
+zip.MAIL-LIST.com.	604800	IN	MX	50 velocity.MAIL-LIST.com.
+JATZ.AARNET.EDU.AU.	604800	IN	A	139.130.204.4
+DNS2.MAN.LODZ.PL.	604800	IN	A	212.51.192.5
+NS.VERITAS.com.		604800	IN	A	204.177.156.38
+218.241.103.199.IN-ADDR.ARPA. 604800 IN	PTR	abyssinian.sleepycat.com.
+BOW.SNPT.KM.		604800	IN	A	195.101.19.253
+Z1.NS.SJC1.GLOBIX.net.	604800	IN	A	209.10.34.55
+DNS.NIC.TT.		604800	IN	A	24.3.198.194
+MAKISIG.IPHIL.net.	604800	IN	A	203.176.28.135
+NS.DK.net.		604800	IN	A	193.88.44.42
+NS.NI.			604800	IN	A	200.30.36.8
+NS.NI.			604800	IN	A	165.98.1.2
+CIUP1.NCC.UP.PT.	604800	IN	A	193.136.51.52
+ns2.verisign-grs.com.	604800	IN	A	198.41.3.108
+NS1.UMASS.EDU.		604800	IN	A	128.119.166.14
+NS.NEWACCOUNT.net.	604800	IN	A	216.121.96.26
+UDNS2.ULTRADNS.net.	604800	IN	A	204.74.101.1
+NS2.LATNET.LV.		604800	IN	A	159.148.108.1
+info-server.surrey.AC.UK. 604800 IN	A	131.227.102.6
+NS2.SQUONK.net.		604800	IN	A	63.84.12.135
+NS2.DSO.net.		604800	IN	A	206.16.77.11
+www.energyenhancement.org. 604800 IN	A	216.121.175.228
+DNS1.BD.		604800	IN	A	209.58.24.5
+nl.COMPUWARE.com.	604800	IN	MX	150 uucp.nl.net.
+nl.COMPUWARE.com.	604800	IN	MX	50 bitbucket.extern.uniface.nl.
+nl.COMPUWARE.com.	604800	IN	MX	100 smtp.nl.net.
+NS.DHIRAAGU.MV.		604800	IN	A	202.1.192.196
+TRANTOR.UMD.EDU.	604800	IN	A	128.8.10.14
+NS.ALCANET.NO.		604800	IN	A	193.213.238.10
+Z6.MSFT.AKADNS.com.	604800	IN	A	207.229.152.20
+NS4.ync.net.		604800	IN	A	206.185.20.9
+CMTU.MT.NS.ELS-GMS.att.net. 604800 IN	A	12.127.16.69
+vh40099.vh4.INFI.net.	604800	IN	A	209.97.59.121
+ns2.secondary.nl.	604800	IN	A	194.229.138.6
+abyssinian.sleepycat.com. 604800 IN	A	199.103.241.218
+APHEX.MENTOR.BE.	604800	IN	A	193.121.64.5
+webmail.fiberia.com.	604800	IN	A	216.55.147.2
+localhost.moonmothers.com. 604800 IN	A	127.0.0.1
+NS2.DNS.LU.		604800	IN	A	158.64.229.3
+NS.VISUALCOM.ES.	604800	IN	A	194.143.202.202
+TONIC.TO.		604800	IN	A	206.184.59.10
+NS1.CRSNIC.net.		604800	IN	A	198.41.3.39
+trurl.ispid.com.PL.	604800	IN	A	195.150.99.3
+datingagentur.de.	604800	IN	A	212.227.216.57
+NS2.NSIREGISTRY.net.	604800	IN	A	198.41.3.108
+ICE.VIA-NET-WORKS.IE.	604800	IN	A	212.17.32.2
+sgi1.map.com.		604800	IN	A	204.71.19.20
+NS0.HS0.U-NET.net.	604800	IN	A	194.119.128.70
+candle.pha.pa.us.	604800	IN	A	162.33.245.46
+NS1.PACIFIC.NET.SG.	604800	IN	A	192.169.33.3
+NS.CENIAI.NET.CU.	604800	IN	A	169.158.128.136
+NS2.UUCP.NE.JP.		604800	IN	A	210.141.111.69
+za.akamaitech.net.	604800	IN	A	204.178.107.226
+NS.UCR.AC.CR.		604800	IN	A	163.178.88.2
+DNS-02.NS.cs.com.	604800	IN	A	205.188.157.235
+dns2.primary.net.	604800	IN	A	205.242.187.235
+PAPPSRV.PAPP.UNDP.org.	604800	IN	A	192.115.229.1
+NS1.REGME.com.		604800	IN	A	207.153.57.14
+DNS.CS.KULEUVEN.AC.BE.	604800	IN	A	134.58.40.4
+NS1.VERMONTLAW.net.	604800	IN	A	63.89.26.15
+mail.garmontusa.com.	604800	IN	A	64.30.8.178
+NS2.SAIPAN.com.		604800	IN	A	202.128.28.2
+NS.ARICATRA.com.	604800	IN	A	206.64.112.114
+ns2.reedmedia.net.	604800	IN	A	209.241.86.6
+NS.NETLAB.SK.		604800	IN	A	195.168.1.4
+RELAY.GW.tislabs.com.	604800	IN	A	192.94.214.100
+b.ns.tmcs.net.		604800	IN	A	209.104.33.252
+NS1.IBL.BM.		604800	IN	A	199.172.192.1
+ok.RU.			604800	IN	A	195.2.83.162
+NS.RICC.ALMA-ATA.SU.	604800	IN	A	194.87.112.4
+KITKA.MARNET.MK.	604800	IN	A	194.149.131.2
+dasher.dartmouth.EDU.	604800	IN	A	129.170.208.6
+NS0.PLANET-THREE.com.	604800	IN	A	212.49.219.164
+KNOCK.SER.BBNPLANET.net. 604800	IN	A	192.239.16.129
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+BOW.INTNET.TD.		604800	IN	A	193.251.147.253
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+NS2.SPEEDHOST.com.	604800	IN	A	216.42.31.169
+NS1.COMMIT.GM.		604800	IN	A	63.77.152.177
+NAME.ROC.GBLX.net.	604800	IN	A	209.130.187.10
+90.198.245.204.IN-ADDR.ARPA. 604800 IN	PTR	maus.spack.org.
+BOLOGNA.NETTUNO.IT.	604800	IN	A	193.43.2.5
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+time.SOVER.net.		604800	IN	CNAME	garnet.SOVER.net.
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+DNSAUTH2.SYS.GTEI.net.	604800	IN	A	4.2.49.3
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+NS.NYC.juno.com.	604800	IN	A	205.231.108.1
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+DNS.SRCE.HR.		604800	IN	A	161.53.3.7
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+NS.XBILL.org.		604800	IN	A	204.152.186.163
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+ns1.pr.SUN.com.		604800	IN	A	192.18.16.2
+NS.SPIN.OMNES.net.	604800	IN	A	192.23.90.196
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+NS2.QUANTIFIED.net.	604800	IN	A	63.212.171.3
+INTERNET-SERVER.ZURICH.IBM.com.	604800 IN A	195.212.119.252
+seaipsvcs.idx.com.	604800	IN	A	172.22.64.42
+lebanon.valley.net.	604800	IN	A	198.115.160.16
+SERVER.NORDU.net.	604800	IN	A	193.10.252.19
+NS.NIC.DO.		604800	IN	A	207.176.16.50
+isc-01.iscvt.org.	604800	IN	A	207.136.209.131
+NAC.NO.			604800	IN	A	129.240.2.40
+SAVA.UTIC.NET.BA.	604800	IN	A	195.130.35.3
+NS1.TOKYO.JP.NETDNS.com. 604800	IN	A	64.56.164.118
+NETSERV2.ITS.rpi.EDU.	604800	IN	A	128.113.1.3
+IFI.UIO.NO.		604800	IN	A	129.240.64.2
+www.TOAPLAN.com.	604800	IN	A	216.42.31.169
+ns2.the-frontier.org.	604800	IN	A	216.86.199.115
+NS.UNAM.MX.		604800	IN	A	132.248.253.1
+ARISTO.TAU.AC.IL.	604800	IN	A	132.66.32.10
+DNS.CS.WISC.EDU.	604800	IN	A	128.105.2.10
+NS1.NIC.IR.		604800	IN	A	194.225.70.83
+NS1.RETINA.AR.		604800	IN	A	200.10.202.3
+mailer.connriver.net.	604800	IN	A	63.93.137.13
+NS.ATI.TN.		604800	IN	A	193.95.66.10
+NS2.CLEAR.NET.NZ.	604800	IN	A	203.97.37.14
+NS4.EARTHLINK.net.	604800	IN	A	209.179.179.19
+mejac.palo-alto.ca.us.	604800	IN	A	192.147.236.1
+New-York4.NY.ALTER.net.	604800	IN	A	137.39.2.3
+New-York4.NY.ALTER.net.	604800	IN	A	137.39.126.10
+falcon.tallship.net.	604800	IN	A	208.179.112.2
+ZEUS.CC.UCY.AC.CY.	604800	IN	A	194.42.1.1
+NS2.SECURE.net.		604800	IN	A	161.58.9.10
+NS0.FLIRBLE.org.	604800	IN	A	195.40.6.20
+dns.zenon.net.		604800	IN	A	195.2.83.107
+SERVIDOR.MICROASTUR.ES.	604800	IN	A	195.76.178.5
+DOWNSTAGE.MCS.VUW.AC.NZ. 604800	IN	A	130.195.6.10
+ns2.GNAC.com.		604800	IN	A	209.182.195.77
+PRIFI.EUNET.FI.		604800	IN	A	193.66.1.146
+ns2.k12.vt.us.		604800	IN	A	170.222.64.130
+ns2.nic.mnet.		604800	IN	A	208.109.83.110
+NS0.PIPEX.net.		604800	IN	A	158.43.128.8
+NS1.SANFRANCISCO.US.NETDNS.com.	604800 IN A	207.82.50.166
+AMRA.NIC.GOV.JO.	604800	IN	A	193.188.66.103
+kw.com.CN.		604800	IN	MX	15 mail2.kw.com.CN.
+SHNS.163.net.		604800	IN	A	61.129.65.108
+NS.ER.USGS.GOV.		604800	IN	A	130.11.48.2
+FAITH.MYNET.net.	604800	IN	A	207.13.11.2
+mail.smuggs.com.	604800	IN	A	209.67.230.71
+MIMOS.MY.		604800	IN	A	192.228.128.18
+NS.GU.			604800	IN	A	168.123.4.10
+mx00.schlund.de.	604800	IN	A	195.20.224.67
+mx00.schlund.de.	604800	IN	A	195.20.224.68
+mx00.schlund.de.	604800	IN	A	195.20.224.130
+mx00.schlund.de.	604800	IN	A	195.20.224.152
+mx00.schlund.de.	604800	IN	A	195.20.224.198
+CADDSYS.IPTEK.net.	604800	IN	A	202.46.1.2
+NS0.TELIA.NIC.NU.	604800	IN	A	212.181.91.4
+NS2.GRANITECANYON.com.	604800	IN	A	204.1.217.148
+GATEKEEPER.corning.com.	604800	IN	A	149.42.1.2
+NS2.2DAY.com.		604800	IN	A	202.89.128.74
+1.0.0.127.IN-ADDR.ARPA.	604800	IN	PTR	localhost.
+RAIN.PSG.com.		604800	IN	A	147.28.0.34
+STRAWB.MIT.EDU.		604800	IN	A	18.71.0.151
+NS2.DIGISERVE.com.	604800	IN	A	204.91.84.216
+UMACSN2.UMAC.MO.	604800	IN	A	161.64.3.2
+NS.JM.			604800	IN	A	196.2.1.6
+12.153.66.206.IN-ADDR.ARPA. 604800 IN	PTR	d.dd.org.
+EAST.ISI.EDU.		604800	IN	A	38.245.76.2
+NS2.UUNET.CA.		604800	IN	A	142.77.1.5
+SUNNY.STAT-USA.GOV.	604800	IN	A	192.239.70.8
+BOW.INTNET.CF.		604800	IN	A	194.206.73.253
+NS4.TELE.DK.		604800	IN	A	194.239.134.84
+NS2.sodak.net.		604800	IN	A	63.65.239.225
+NS1.NEWYORK.US.NETDNS.com. 604800 IN	A	216.32.212.86
+NS2.PSI.net.		604800	IN	A	38.8.50.2
+NS.KREONET.RE.KR.	604800	IN	A	134.75.30.1
+GIANT.MINDLINK.net.	604800	IN	A	204.174.18.2
+NS0.SECTOR001.org.	604800	IN	A	24.4.49.117
+DNS.SEABONE.net.	604800	IN	A	195.22.205.163
+NS2.MANA.PF.		604800	IN	A	202.3.225.20
+NRWEB.CENPAC.NET.NR.	604800	IN	A	203.98.224.66
+www.TRAVELPHOTOCONTESTS.com. 604800 IN	A	64.85.86.156
+NS1.REGEX.com.		604800	IN	A	202.152.12.227
+BIGBIRD.ITD.nps.GOV.	604800	IN	A	165.83.208.5
+CUNIXD.CC.COLUMBIA.EDU.	604800	IN	A	128.59.35.142
+NS1.CLASSIFIEDMONSTER.com. 604800 IN	A	216.254.54.22
+SERVER1.SANS.org.	604800	IN	A	167.216.133.33
+BRONZE.COIL.com.	604800	IN	A	198.4.94.1
+SCSNMS.SWITCH.CH.	604800	IN	A	130.59.1.30
+SCSNMS.SWITCH.CH.	604800	IN	A	130.59.10.30
+SCE.CNC.UNA.PY.		604800	IN	A	200.10.228.133
+RELAY.LA.TIS.com.	604800	IN	A	198.51.22.11
+NS.AUSTIN.IBM.com.	604800	IN	A	192.35.232.34
+SERVICE.robert-morris.EDU. 604800 IN	A	205.146.48.22
+MERCURY.ML.org.		604800	IN	A	209.68.0.85
+proxy.pccf.net.		604800	IN	A	205.189.73.123
+DUB-NAME-SVC-1.compuserve.com. 604800 IN A	149.174.213.5
+NS.CNRI.reston.va.us.	604800	IN	A	132.151.1.1
+NS.UCAD.SN.		604800	IN	A	196.1.95.1
+ns01.ny.us.ibm.net.	604800	IN	A	165.87.194.244
+NS4-AUTH.ALASKA.net.	604800	IN	A	209.112.130.4
+BOW.INTNET.NE.		604800	IN	A	194.51.164.253
+NS-JP.SINET.AD.JP.	604800	IN	A	150.100.2.3
+ns.musin.de.		604800	IN	A	194.113.40.45
+ip1.romkey.SEG.net.	604800	IN	A	207.121.69.234
+DNS2.ITD.UMICH.EDU.	604800	IN	A	141.211.125.15
+mail.rpi.EDU.		604800	IN	A	128.113.100.7
+INECO.NIC.ES.		604800	IN	A	194.69.254.2
+DNS2.FIREHOUSE.net.	604800	IN	A	63.160.175.18
+BOW.INTNET.BJ.		604800	IN	A	194.51.163.253
+sundown.vtc.VSC.EDU.	604800	IN	A	155.42.12.12
+NIC.AIX.GR.		604800	IN	A	195.130.89.210
+NIC.AD.JP.		604800	IN	A	202.12.30.33
+NS.DC.IGC.org.		604800	IN	A	199.75.208.10
+LHR.NS.GDNS.net.	604800	IN	A	212.250.25.101
+NS2.WEBMAGIC.net.	604800	IN	A	64.168.49.66
+MUNNARI.OZ.AU.		604800	IN	A	128.250.1.21
+HIPPO.RU.AC.ZA.		604800	IN	A	146.231.128.1
+PEBBLES.IOM.com.	604800	IN	A	194.72.124.1
+penpal.dmz.RPSLMC.EDU.	604800	IN	A	144.74.60.151
+netnews.HINET.net.	604800	IN	A	168.95.195.16
+INS2.TOSA.TWTELECOM.net. 604800	IN	A	204.95.160.4
+proxy6.cisco.com.	604800	IN	A	203.41.198.245
+NS2.HOST4U.net.		604800	IN	A	209.150.129.3
+POIPARAU.OYSTER.NET.CK.	604800	IN	A	202.65.32.127
+NS-EXT.VIX.com.		604800	IN	A	204.152.184.64
+NS2.NURSAT.net.		604800	IN	A	212.13.167.1
+mail2.kw.com.CN.	604800	IN	A	159.226.25.8
+NS-02B.ANS.net.		604800	IN	A	207.24.245.178
+DNS.RCCN.net.		604800	IN	A	193.136.7.17
+B.ROOT-SERVERS.ORSC.	604800	IN	A	216.13.126.116
+FIREHOUSE.net.		604800	IN	A	63.160.175.19
diff --git a/bin/tests/system/cacheclean/ns1/example.db b/bin/tests/system/cacheclean/ns1/example.db
new file mode 100644
index 0000000..7262109
--- /dev/null
+++ b/bin/tests/system/cacheclean/ns1/example.db
@@ -0,0 +1,2942 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+$ORIGIN .
+.                       IN SOA  hostmaster.nominum.com. a.root-servers.nil. (
+                                2000042100
+                                600
+                                600
+                                1200
+                                600
+                                )
+.                       NS      a.root-servers.nil.
+a.root-servers.nil	IN	A	10.53.0.1
+localhost		IN	A	127.0.0.1
+$ORIGIN NIC.AC.
+NS			IN	A	194.205.62.120
+$ORIGIN AD.
+DNS2			IN	A	194.158.64.8
+DINIS			IN	A	194.158.64.7
+$ORIGIN NIC.AD.
+DNS			IN	A	194.158.67.251
+$ORIGIN STA.AD.
+CORREU			IN	A	194.158.67.1
+$ORIGIN EMIRATES.NET.AE.
+NS2			IN	A	194.170.1.7
+NS1			IN	A	194.170.1.6
+$ORIGIN BA.
+NS			IN	A	195.130.35.5
+$ORIGIN UTIC.NET.BA.
+SAVA			IN	A	195.130.35.3
+$ORIGIN OFFSHORE.AI.
+NS1			IN	A	209.88.68.34
+$ORIGIN BD.
+DNS1			IN	A	209.58.24.5
+DNS			IN	A	209.58.24.3
+$ORIGIN MENTOR.BE.
+APHEX			IN	A	193.121.64.5
+$ORIGIN EUNET.BE.
+SECDNS			IN	A	193.74.208.139
+$ORIGIN BELNET.BE.
+NS			IN	A	193.190.198.10
+			IN	A	193.190.198.2
+$ORIGIN DNS.BE.
+MASTER			IN	A	194.7.171.243
+$ORIGIN CS.KULEUVEN.AC.BE.
+DNS			IN	A	134.58.40.4
+$ORIGIN CURINFO.AN.
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+KADUSHI			IN	A	200.44.117.130
+$ORIGIN ONATEL.BF.
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+$ORIGIN DIGSYS.BG.
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+$ORIGIN BATELCO.COM.BH.
+SV10			IN	A	193.188.124.227
+NS2			IN	A	193.188.97.212
+NS			IN	A	193.188.97.197
+$ORIGIN UTORONTO.CA.
+ns2			IN	A	128.100.102.202
+ns1			IN	A	128.100.100.129
+chime			IN	A	128.100.102.201
+$ORIGIN cs.UTORONTO.CA.
+bay			IN	A	128.100.1.1
+$ORIGIN UTCC.UTORONTO.CA.
+DNS2			IN	A	128.100.102.201
+$ORIGIN UUNET.CA.
+NS2			IN	A	142.77.1.5
+NS			IN	A	142.77.1.1
+$ORIGIN CIRA.CA.
+MERLE			IN	A	64.26.149.98
+$ORIGIN cmc.ec.gc.CA.
+castor			IN	A	142.135.4.14
+$ORIGIN RISQ.QC.CA.
+CLOUSO			IN	A	192.26.210.1
+$ORIGIN MBNET.MB.CA.
+ACCESS			IN	A	130.179.16.143
+$ORIGIN CDNNET.CA.
+RELAY			IN	A	192.73.5.1
+$ORIGIN uwaterloo.CA.
+ns2			IN	A	129.97.128.100
+math			IN	A	129.97.140.144
+			IN	A	129.97.216.42
+			IN	MX	0 math.uwaterloo.ca.
+ns1			IN	A	129.97.128.10
+$ORIGIN AR.
+CTINA			IN	A	200.16.97.17
+ATHEA			IN	A	200.16.98.2
+$ORIGIN NIC.AR.
+TULKU			IN	A	200.16.97.77
+$ORIGIN RETINA.AR.
+NS1			IN	A	200.10.202.3
+$ORIGIN INTNET.BJ.
+BOW			IN	A	194.51.163.253
+$ORIGIN NIC.CD.
+DNS			IN	A	194.38.74.11
+$ORIGIN tahina.priv.at.
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+$ORIGIN UNIVIE.AC.at.
+NS2			IN	A	193.171.255.66
+NS7			IN	A	194.246.96.192
+NS1			IN	A	193.171.255.2
+$ORIGIN OZ.AU.
+MUNNARI			IN	A	128.250.1.21
+$ORIGIN CS.MU.OZ.AU.
+MULGA			IN	A	128.250.1.22
+			IN	A	128.250.37.150
+$ORIGIN AARNET.EDU.AU.
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+$ORIGIN ANU.EDU.AU.
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+$ORIGIN CS.UOW.EDU.AU.
+WRAITH			IN	A	130.130.64.1
+$ORIGIN ALCANET.COM.AU.
+NS			IN	A	203.62.196.10
+$ORIGIN CONNECT.COM.AU.
+YARRINA			IN	A	192.189.54.17
+$ORIGIN IBL.BM.
+NS1			IN	A	199.172.192.1
+$ORIGIN BRUNET.BN.
+JTB			IN	A	202.160.8.2
+$ORIGIN INTNET.CF.
+BOW			IN	A	194.206.73.253
+$ORIGIN SETARNET.AW.
+NS2			IN	A	206.48.100.11
+NS1			IN	A	206.48.100.5
+$ORIGIN BOLNET.BO.
+UTAMA			IN	A	166.114.1.40
+$ORIGIN SWITCH.CH.
+SCSNMS			IN	A	130.59.1.30
+			IN	A	130.59.10.30
+MERAPI			IN	A	130.59.211.10
+$ORIGIN ITU.CH.
+NS			IN	A	156.106.192.121
+$ORIGIN NIC.CH.
+DOMREG			IN	A	130.59.1.80
+$ORIGIN ip6.INT.
+z			IN	A	198.32.2.66
+			IN	AAAA	3ffe:0:1::c60:242
+$ORIGIN DNS.BR.
+NS2			IN	A	200.19.119.99
+NS1			IN	A	200.255.253.234
+NS			IN	A	143.108.23.2
+$ORIGIN OYSTER.NET.CK.
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+$ORIGIN DRUKNET.NET.BT.
+NS			IN	A	202.144.128.200
+$ORIGIN DCC.UCHILE.CL.
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+$ORIGIN NIC.CL.
+NS			IN	A	146.83.4.11
+$ORIGIN FIRSTCOM.CL.
+NS			IN	A	200.27.2.2
+$ORIGIN EDU.
+ISI			IN	A	128.9.176.32
+UMASS			IN	MX	20 vcmr-54.server.rpi.edu.
+			IN	MX	1 mail.rpi.edu.
+dartmouth		IN	A	129.170.16.6
+			IN	MX	10 donner.dartmouth.edu.
+			IN	MX	10 prancer.dartmouth.edu.
+			IN	MX	10 vixen.dartmouth.edu.
+			IN	MX	10 blitzen.dartmouth.edu.
+			IN	MX	0 mailhub.dartmouth.edu.
+			IN	MX	10 dasher.dartmouth.edu.
+rush			IN	MX	30 penpal.dmz.rpslmc.edu.
+			IN	MX	10 detox.cc1.rpslmc.edu.
+			IN	MX	20 rush.cc1.rpslmc.edu.
+NYU			IN	A	128.122.253.92
+GATECH			IN	A	130.207.244.244
+ARIZONA			IN	A	128.196.128.233
+stanford		IN	A	171.64.14.120
+			IN	MX	20 Leland.stanford.edu.
+			IN	MX	20 Leland2.stanford.edu.
+			IN	MX	20 Leland3.stanford.edu.
+$ORIGIN jhuapl.EDU.
+ECSEL			IN	A	128.244.65.29
+APLDNS2			IN	A	128.244.194.100
+ABACUS			IN	A	128.244.197.32
+$ORIGIN MIT.EDU.
+STRAWB			IN	A	18.71.0.151
+W20NS			IN	A	18.70.0.160
+BITSY			IN	A	18.72.0.3
+$ORIGIN ITD.UMICH.EDU.
+DNS2			IN	A	141.211.125.15
+$ORIGIN ISI.EDU.
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+VENERA			IN	A	128.9.176.32
+NS			IN	A	128.9.128.127
+$ORIGIN CS.PURDUE.EDU.
+PENDRAGON		IN	A	128.10.2.5
+$ORIGIN CS.WISC.EDU.
+DNS			IN	A	128.105.2.10
+$ORIGIN UMD.EDU.
+TRANTOR			IN	A	128.8.10.14
+$ORIGIN RPSLMC.EDU.
+THUMPER			IN	A	144.74.22.8
+$ORIGIN dmz.RPSLMC.EDU.
+penpal			IN	A	144.74.60.151
+$ORIGIN cc1.RPSLMC.EDU.
+rush			IN	A	144.74.150.23
+detox			IN	A	144.74.150.44
+$ORIGIN IS.RPSLMC.EDU.
+SUNSTROKE		IN	A	144.74.21.8
+$ORIGIN VSC.EDU.
+vtc			IN	MX	0 eve.vtc.vsc.edu.
+MAZE			IN	A	155.42.1.89
+ENIGMA			IN	A	155.42.1.7
+$ORIGIN vtc.VSC.EDU.
+sundown			IN	A	155.42.12.12
+eve			IN	A	155.42.12.102
+$ORIGIN UMASS.EDU.
+NS1			IN	A	128.119.166.14
+NIC			IN	A	128.119.175.14
+$ORIGIN oit.UMASS.EDU.
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+ponzi			IN	A	128.119.166.18
+$ORIGIN ECS.UMASS.EDU.
+KIRA			IN	A	128.119.91.10
+$ORIGIN CS.UMASS.EDU.
+UNIX1			IN	A	128.119.40.12
+$ORIGIN UPR.CLU.EDU.
+UPR1			IN	A	136.145.1.4
+$ORIGIN PRINCETON.EDU.
+DNS			IN	A	128.112.129.15
+$ORIGIN rpi.EDU.
+mail			IN	A	128.113.100.7
+$ORIGIN server.rpi.EDU.
+vcmr-54			IN	A	128.113.113.44
+$ORIGIN acs.rpi.EDU.
+freefour		IN	A	128.113.24.91
+$ORIGIN ITS.rpi.EDU.
+NETSERV2		IN	A	128.113.1.3
+NETSERV1		IN	A	128.113.1.5
+$ORIGIN uvm.EDU.
+NS1			IN	A	132.198.201.10
+NS2			IN	A	132.198.202.10
+$ORIGIN dartmouth.EDU.
+dasher			IN	A	129.170.208.6
+mailhub			IN	A	129.170.16.6
+donner			IN	A	129.170.208.3
+prancer			IN	A	129.170.208.2
+vixen			IN	A	129.170.208.15
+NS1			IN	A	129.170.17.4
+blitzen			IN	A	129.170.208.4
+NS2			IN	A	129.170.16.4
+$ORIGIN middlebury.EDU.
+CATAMOUNT		IN	A	140.233.2.204
+LION			IN	A	140.233.1.4
+$ORIGIN CIT.CORNELL.EDU.
+DNS			IN	A	192.35.82.50
+$ORIGIN CS.CORNELL.EDU.
+SIMON			IN	A	128.84.154.10
+$ORIGIN BERKELEY.EDU.
+NS2			IN	A	128.32.136.12
+			IN	A	128.32.206.12
+NS1			IN	A	128.32.136.9
+			IN	A	128.32.206.9
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+$ORIGIN DEC.com.
+crl			IN	A	192.58.206.2
+ns			IN	A	204.123.2.42
+$ORIGIN PA.DEC.com.
+UUCP-GW-2		IN	A	16.1.0.19
+UUCP-GW-1		IN	A	16.1.0.18
+			IN	A	204.123.2.18
+$ORIGIN LANDLORDS.com.
+NS			IN	A	63.64.164.68
+$ORIGIN hometownbands.com.
+www			IN	A	209.67.235.38
+$ORIGIN MSFT.AKADNS.com.
+Z6			IN	A	207.229.152.20
+Z2			IN	A	32.96.80.17
+Z4			IN	A	208.148.96.220
+Z7			IN	A	213.161.66.158
+Z3			IN	A	63.215.198.67
+Z1			IN	A	216.32.118.104
+$ORIGIN smuggs.com.
+mail			IN	A	209.67.230.71
+$ORIGIN OUTREMER.com.
+MANTA			IN	A	213.16.1.106
+$ORIGIN hns.com.
+HNS3			IN	A	208.236.67.3
+$ORIGIN TRIVALLEY.com.
+NS3			IN	A	206.25.132.30
+$ORIGIN AI-R.com.
+NS2			IN	A	66.33.4.51
+NS1			IN	A	66.33.0.143
+$ORIGIN ALCATEL.com.
+NS			IN	A	192.160.6.91
+PRIMARY			IN	A	192.160.6.90
+$ORIGIN GENDYN.com.
+NET2			IN	A	204.60.171.9
+NET1			IN	A	204.60.171.8
+$ORIGIN ONLINEPHOTOCONTEST.com.
+www			IN	A	64.85.86.152
+$ORIGIN performancediver.com.
+listserv		IN	A	216.34.185.155
+$ORIGIN rge.com.
+gw			IN	A	157.225.178.11
+$ORIGIN NS.AOL.com.
+DNS-02			IN	A	205.188.157.232
+DNS-01			IN	A	152.163.159.232
+$ORIGIN MANY-PATHS-ENERGY-ENHANCEMENT.com.
+www			IN	A	66.33.4.50
+$ORIGIN IS.CHRYSLER.com.
+FXCLPR02		IN	A	204.189.94.37
+FXIOD01			IN	A	204.189.94.70
+$ORIGIN TO.GD-ES.com.
+NS			IN	A	199.107.240.66
+$ORIGIN GNAC.com.
+ns2			IN	A	209.182.195.77
+NS1			IN	A	209.182.195.77
+$ORIGIN AKAMAI.com.
+YA			IN	A	204.178.118.68
+ACCESS			IN	A	4.17.143.9
+YB			IN	A	204.212.232.16
+YC			IN	A	209.246.46.48
+YD			IN	A	209.189.112.39
+YE			IN	A	192.215.168.18
+YF			IN	A	216.32.118.14
+YG			IN	A	204.178.110.35
+YH			IN	A	128.11.61.225
+$ORIGIN QUICKEN.com.
+DNS4			IN	A	198.3.99.252
+DNS2			IN	A	206.154.105.67
+news			IN	MX	10 mail1.emailpub.com.
+			IN	MX	10 mail2.emailpub.com.
+			IN	MX	10 mail3.emailpub.com.
+			IN	MX	10 mail4.emailpub.com.
+			IN	MX	10 mail5.emailpub.com.
+			IN	MX	10 mail6.emailpub.com.
+			IN	A	207.211.106.100
+DNS3			IN	A	198.3.96.252
+DNS1			IN	A	206.154.105.66
+$ORIGIN LUXNOC.com.
+NS4			IN	A	195.206.104.201
+NS2			IN	A	195.206.105.102
+NS0			IN	A	195.206.105.1
+NS5			IN	A	195.206.104.211
+NS3			IN	A	195.206.104.1
+NS1			IN	A	195.206.105.101
+$ORIGIN MAGIC-MOMENTS.com.
+NS1			IN	A	195.224.53.80
+$ORIGIN ABAC.com.
+NS2			IN	A	216.55.144.4
+NS1			IN	A	216.55.128.4
+$ORIGIN GOTO.com.
+NS2			IN	A	204.71.128.137
+NS1			IN	A	206.132.152.241
+$ORIGIN WEBTRENDS.com.
+NS2			IN	A	63.88.212.11
+NS1			IN	A	63.88.212.10
+$ORIGIN hotmail.com.
+NS3			IN	A	209.185.130.68
+NS1			IN	A	216.200.206.140
+$ORIGIN MERCHANTWARE.com.
+NS2			IN	A	209.170.142.35
+$ORIGIN MERCURYCENTER.com.
+cgi			IN	CNAME	vh80167.vh8.infi.net.
+$ORIGIN CARIBSURF.com.
+COL2			IN	A	205.214.192.202
+COL1			IN	A	205.214.192.201
+$ORIGIN MAIL-LIST.com.
+zip			IN	MX	20 sluice.mail-list.com.
+			IN	MX	20 pipeline.mail-list.com.
+			IN	MX	20 transport.mail-list.com.
+			IN	MX	50 swifty.mail-list.com.
+			IN	MX	50 velocity.mail-list.com.
+			IN	MX	50 brisk.mail-list.com.
+			IN	MX	5 zip.mail-list.com.
+$ORIGIN NAVPOINT.com.
+south			IN	A	207.106.42.12
+north			IN	A	207.106.42.10
+NS2			IN	A	207.106.42.12
+NS			IN	A	207.106.42.10
+$ORIGIN verisign-grs.com.
+ns2			IN	A	198.41.3.108
+ns1			IN	A	198.41.3.39
+$ORIGIN gdarm.com.
+bvt-ext			IN	A	166.19.32.42
+$ORIGIN REDHAT.com.
+NS1			IN	A	216.148.218.250
+$ORIGIN SKYNETWEB.com.
+NS2			IN	A	208.231.1.35
+NS1			IN	A	208.231.1.34
+$ORIGIN COIL.com.
+BRONZE			IN	A	198.4.94.1
+$ORIGIN ZTX.COMPAQ.com.
+NS1-PUBLIC		IN	A	161.114.1.204
+$ORIGIN ZMA.COMPAQ.com.
+NS1-PUBLIC		IN	A	161.114.64.24
+$ORIGIN FOOL.com.
+NS2			IN	A	208.51.76.222
+NS1			IN	A	208.241.66.222
+$ORIGIN retro.com.
+www			IN	A	205.179.181.195
+gw			IN	A	205.179.181.194
+$ORIGIN NRSITE.com.
+NS5			IN	A	208.178.169.4
+NS7			IN	A	206.41.20.3
+NS3			IN	A	199.172.144.20
+$ORIGIN jerusalem-mail.com.
+mail			IN	A	216.251.232.93
+$ORIGIN PAIR.com.
+ns3			IN	A	209.68.1.15
+NS1			IN	A	209.68.1.11
+$ORIGIN GLOBALDNS.com.
+NS1			IN	A	206.253.214.11
+$ORIGIN tfm.com.
+mailhost		IN	A	192.231.224.11
+mtbaker			IN	A	192.231.224.2
+NS2			IN	A	208.236.160.42
+NS1			IN	A	209.83.142.82
+NS			IN	A	192.231.224.1
+$ORIGIN bock.com.
+NS2			IN	A	64.30.29.4
+NS1			IN	A	64.30.29.3
+$ORIGIN TARSUS.com.
+MAIL			IN	A	208.130.9.252
+BEAR			IN	A	208.130.9.248
+$ORIGIN NETANET.com.
+NS0			IN	A	194.6.96.218
+			IN	A	195.172.127.72
+NS1			IN	A	194.6.96.218
+$ORIGIN SEANET.com.
+DNS2			IN	A	199.181.164.2
+DNS3			IN	A	199.181.164.3
+DNS1			IN	A	199.181.164.1
+$ORIGIN INTERNETSHARE.com.
+NS1			IN	A	63.207.108.53
+$ORIGIN ALTAVISTA.com.
+NS2			IN	A	209.73.164.7
+NS3			IN	A	209.73.176.204
+NS1			IN	A	209.73.164.76
+$ORIGIN NOVELL.com.
+NS			IN	A	137.65.1.1
+$ORIGIN SAIPAN.com.
+NS2			IN	A	202.128.28.2
+NS			IN	A	202.128.27.2
+$ORIGIN diebold.com.
+eliot			IN	A	204.151.249.21
+ness			IN	A	208.228.181.21
+$ORIGIN WonderWorks.com.
+mail			IN	A	192.203.206.67
+ice			IN	A	192.203.206.9
+$ORIGIN SIGNALZ.com.
+NS			IN	A	209.67.230.71
+$ORIGIN GW.tislabs.com.
+RELAY			IN	A	192.94.214.100
+$ORIGIN CAIS.com.
+NS			IN	A	205.177.10.10
+$ORIGIN tesserae.com.
+ns2			IN	A	209.157.194.3
+NS			IN	A	209.157.194.2
+$ORIGIN NETPOLICY.com.
+MINION			IN	A	207.87.121.66
+$ORIGIN wirbel.com.
+enterprise		IN	A	194.231.54.2
+$ORIGIN fiberia.com.
+webmail			IN	A	216.55.147.2
+$ORIGIN BAYAREA.com.
+www			IN	CNAME	vh80040.vh8.infi.net.
+$ORIGIN CONNACTIVITY.com.
+bparker			IN	A	206.34.200.200
+NS2			IN	A	206.34.200.3
+CONNACTIVITY		IN	A	206.34.200.2
+$ORIGIN tifosi.com.
+BK			IN	A	208.58.189.13
+daytona			IN	A	192.104.156.3
+$ORIGIN bucksnet.com.
+gutenberg		IN	A	207.113.15.5
+$ORIGIN ivillage.com.
+NS2			IN	A	209.185.162.16
+NS1			IN	A	209.185.162.15
+$ORIGIN codelocal.com.
+ns1			IN	A	216.15.192.130
+$ORIGIN NETFLIGHT.com.
+DNS			IN	A	207.88.32.2
+$ORIGIN MERCHANTWARE.CON.
+NS1			IN	A	209.170.142.34
diff --git a/bin/tests/system/cacheclean/ns1/expire-test.db b/bin/tests/system/cacheclean/ns1/expire-test.db
new file mode 100644
index 0000000..8085543
--- /dev/null
+++ b/bin/tests/system/cacheclean/ns1/expire-test.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@			IN SOA	hostmaster.ns ns (
+				2011072900
+				600
+				600
+				1200
+				3600
+				)
+			NS	ns
+ns			IN	A	10.53.0.1
diff --git a/bin/tests/system/cacheclean/ns1/flushtest.db b/bin/tests/system/cacheclean/ns1/flushtest.db
new file mode 100644
index 0000000..ac6b408
--- /dev/null
+++ b/bin/tests/system/cacheclean/ns1/flushtest.db
@@ -0,0 +1,44 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+$ORIGIN flushtest.example.
+@			IN SOA	flushtest.example. ns.flushtest.example. (
+				2011072900
+				600
+				600
+				1200
+				3600
+				)
+			NS	ns
+ns			IN	A	10.53.0.1
+
+top1			IN	TXT	"text"
+second1.top1		IN	TXT	"text"
+third1.second1.top1	IN	TXT	"text"
+third2.second1.top1	IN	TXT	"text"
+second2.top1		IN	TXT	"text"
+second3.top1		IN	TXT	"text"
+
+; top2 node is omitted for testing with an empty nonterminal
+second1.top2		IN	TXT	"text"
+second2.top2		IN	TXT	"text"
+second3.top2		IN	TXT	"text"
+
+top3			IN	TXT	"text"
+second1.top3		IN	TXT	"text"
+third1.second1.top3	IN	TXT	"text"
+third2.second1.top3	IN	TXT	"text"
+; second2.top3 is omitted for testing with an empty nontermianl
+third1.second2.top3	IN	TXT	"text"
+third2.second2.top3	IN	TXT	"text"
+second3.top3		IN	TXT	"text"
+
diff --git a/bin/tests/system/cacheclean/ns1/named.args b/bin/tests/system/cacheclean/ns1/named.args
new file mode 100644
index 0000000..b7ce00d
--- /dev/null
+++ b/bin/tests/system/cacheclean/ns1/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 1 -D cacheclean-ns1 -X named.lock -g -T maxcachesize=2097152
diff --git a/bin/tests/system/cacheclean/ns1/named.conf.in b/bin/tests/system/cacheclean/ns1/named.conf.in
new file mode 100644
index 0000000..98d2b28
--- /dev/null
+++ b/bin/tests/system/cacheclean/ns1/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	check-integrity no;
+	minimal-responses no;
+};
+
+zone "." {
+	type primary;
+	file "example.db";
+};
+
+zone "flushtest.example" {
+	type primary;
+	file "flushtest.db";
+};
+
+zone "expire-test" {
+	type primary;
+	file "expire-test.db";
+};
diff --git a/bin/tests/system/cacheclean/ns2/named.args b/bin/tests/system/cacheclean/ns2/named.args
new file mode 100644
index 0000000..071016c
--- /dev/null
+++ b/bin/tests/system/cacheclean/ns2/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 3 -D cacheclean-ns2 -X named.lock -g -T maxcachesize=2097152
diff --git a/bin/tests/system/cacheclean/ns2/named.conf.in b/bin/tests/system/cacheclean/ns2/named.conf.in
new file mode 100644
index 0000000..0b5cd29
--- /dev/null
+++ b/bin/tests/system/cacheclean/ns2/named.conf.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	notify yes;
+	disable-empty-zone 127.IN-ADDR.ARPA;
+	recursion yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "flushtest.example" {
+	type forward;
+	forwarders { 10.53.0.1; };
+};
+
+zone "expire-test" {
+	type secondary;
+	primaries { 10.53.0.1; };
+};
diff --git a/bin/tests/system/cacheclean/setup.sh b/bin/tests/system/cacheclean/setup.sh
new file mode 100644
index 0000000..6929ec5
--- /dev/null
+++ b/bin/tests/system/cacheclean/setup.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
diff --git a/bin/tests/system/cacheclean/tests.sh b/bin/tests/system/cacheclean/tests.sh
new file mode 100755
index 0000000..387ce86
--- /dev/null
+++ b/bin/tests/system/cacheclean/tests.sh
@@ -0,0 +1,269 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+RNDCOPTS="-c ../common/rndc.conf -s 10.53.0.2 -p ${CONTROLPORT}"
+DIGOPTS="+nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm \
+         +nostat @10.53.0.2 -p ${PORT}"
+
+# fill the cache with nodes from flushtest.example zone
+load_cache () {
+        # empty all existing cache data
+        $RNDC $RNDCOPTS flush
+
+	# load the positive cache entries
+	$DIG $DIGOPTS -f - << EOF > /dev/null 2>&1
+txt top1.flushtest.example
+txt second1.top1.flushtest.example
+txt third1.second1.top1.flushtest.example
+txt third2.second1.top1.flushtest.example
+txt second2.top1.flushtest.example
+txt second3.top1.flushtest.example
+txt second1.top2.flushtest.example
+txt second2.top2.flushtest.example
+txt second3.top2.flushtest.example
+txt top3.flushtest.example
+txt second1.top3.flushtest.example
+txt third1.second1.top3.flushtest.example
+txt third2.second1.top3.flushtest.example
+txt third1.second2.top3.flushtest.example
+txt third2.second2.top3.flushtest.example
+txt second3.top3.flushtest.example
+EOF
+
+	# load the negative cache entries
+        # nxrrset:
+	$DIG $DIGOPTS a third1.second1.top1.flushtest.example > /dev/null
+        # nxdomain:
+	$DIG $DIGOPTS txt top4.flushtest.example > /dev/null
+        # empty nonterminal:
+	$DIG $DIGOPTS txt second2.top3.flushtest.example > /dev/null
+
+	# sleep 2 seconds ensure the TTLs will be lower on cached data
+	sleep 2
+}
+
+dump_cache () {
+        rndc_dumpdb ns2 -cache _default
+}
+
+clear_cache () {
+        $RNDC $RNDCOPTS flush
+}
+
+in_cache () {
+        ttl=$($DIG $DIGOPTS "$@" | awk '{print $2}')
+        [ -z "$ttl" ] && {
+                ttl=$($DIG $DIGOPTS +noanswer +auth "$@" | awk '{print $2}')
+                [ "$ttl" -ge 3599 ] && return 1
+                return 0
+        }
+        [ "$ttl" -ge 3599 ] && return 1
+        return 0
+}
+
+# Extract records at and below name "$1" from the cache dump in file "$2".
+filter_tree () {
+	tree="$1"
+	file="$2"
+	perl -n -e '
+		next if /^;/;
+		if (/'"$tree"'/ || (/^\t/ && $print)) {
+			$print = 1;
+		} else {
+			$print = 0;
+		}
+		print if $print;
+	' "$file"
+}
+
+n=$((n + 1))
+echo_i "check correctness of routine cache cleaning ($n)"
+$DIG $DIGOPTS +tcp +keepopen -b 10.53.0.7 -f dig.batch > dig.out.ns2 || status=1
+
+digcomp --lc dig.out.ns2 knowngood.dig.out || status=1
+
+n=$((n + 1))
+echo_i "only one tcp socket was used ($n)"
+tcpclients=$(awk '$3 == "client" && $5 ~ /10.53.0.7#[0-9]*:/ {print $5}' ns2/named.run | sort | uniq -c | wc -l)
+
+test $tcpclients -eq 1 || { status=1; echo_i "failed"; }
+
+n=$((n + 1))
+echo_i "reset and check that records are correctly cached initially ($n)"
+ret=0
+load_cache
+dump_cache
+nrecords=$(filter_tree flushtest.example ns2/named_dump.db.test$n | grep -E '(TXT|ANY)' | wc -l)
+[ $nrecords -eq 18 ] || { ret=1; echo_i "found $nrecords records expected 18"; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check flushing of the full cache ($n)"
+ret=0
+clear_cache
+dump_cache
+nrecords=$(filter_tree flushtest.example ns2/named_dump.db.test$n | wc -l)
+[ $nrecords -eq 0 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check flushing of individual nodes (interior node) ($n)"
+ret=0
+clear_cache
+load_cache
+# interior node
+in_cache txt top1.flushtest.example || ret=1
+$RNDC $RNDCOPTS flushname top1.flushtest.example
+in_cache txt top1.flushtest.example && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check flushing of individual nodes (leaf node, under the interior node) ($n)"
+ret=0
+# leaf node, under the interior node (should still exist)
+in_cache txt third2.second1.top1.flushtest.example || ret=1
+$RNDC $RNDCOPTS flushname third2.second1.top1.flushtest.example
+in_cache txt third2.second1.top1.flushtest.example && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check flushing of individual nodes (another leaf node, with both positive and negative cache entries) ($n)"
+ret=0
+# another leaf node, with both positive and negative cache entries
+in_cache a third1.second1.top1.flushtest.example || ret=1
+in_cache txt third1.second1.top1.flushtest.example || ret=1
+$RNDC $RNDCOPTS flushname third1.second1.top1.flushtest.example
+in_cache a third1.second1.top1.flushtest.example && ret=1
+in_cache txt third1.second1.top1.flushtest.example && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check flushing a nonexistent name ($n)"
+ret=0
+$RNDC $RNDCOPTS flushname fake.flushtest.example || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check flushing of namespaces ($n)"
+ret=0
+clear_cache
+load_cache
+# flushing leaf node should leave the interior node:
+in_cache txt third1.second1.top1.flushtest.example || ret=1
+in_cache txt top1.flushtest.example || ret=1
+$RNDC $RNDCOPTS flushtree third1.second1.top1.flushtest.example
+in_cache txt third1.second1.top1.flushtest.example && ret=1
+in_cache txt top1.flushtest.example || ret=1
+in_cache txt second1.top1.flushtest.example || ret=1
+in_cache txt third2.second1.top1.flushtest.example || ret=1
+$RNDC $RNDCOPTS flushtree second1.top1.flushtest.example
+in_cache txt top1.flushtest.example || ret=1
+in_cache txt second1.top1.flushtest.example && ret=1
+in_cache txt third2.second1.top1.flushtest.example && ret=1
+
+# flushing from an empty node should still remove all its children
+in_cache txt second1.top2.flushtest.example || ret=1
+$RNDC $RNDCOPTS flushtree top2.flushtest.example
+in_cache txt second1.top2.flushtest.example && ret=1
+in_cache txt second2.top2.flushtest.example && ret=1
+in_cache txt second3.top2.flushtest.example && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check flushing a nonexistent namespace ($n)"
+ret=0
+$RNDC $RNDCOPTS flushtree fake.flushtest.example || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check the number of cached records remaining ($n)"
+ret=0
+dump_cache
+nrecords=$(filter_tree flushtest.example ns2/named_dump.db.test$n | grep -v '^;' | grep -E '(TXT|ANY)' | wc -l)
+[ $nrecords -eq 17 ] || { ret=1; echo_i "found $nrecords records expected 17"; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check the check that flushname of a partial match works ($n)"
+ret=0
+in_cache txt second2.top1.flushtest.example || ret=1
+$RNDC $RNDCOPTS flushtree example
+in_cache txt second2.top1.flushtest.example && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check the number of cached records remaining ($n)"
+ret=0
+dump_cache
+nrecords=$(filter_tree flushtest.example ns2/named_dump.db.test$n | grep -E '(TXT|ANY)' | wc -l)
+[ $nrecords -eq 1 ] || { ret=1; echo_i "found $nrecords records expected 1"; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check flushtree clears adb correctly ($n)"
+ret=0
+load_cache
+dump_cache
+mv ns2/named_dump.db.test$n ns2/named_dump.db.test$n.a
+sed -n '/plain success\/timeout/,/Unassociated entries/p' \
+	ns2/named_dump.db.test$n.a > sed.out.$n.a
+grep 'plain success/timeout' sed.out.$n.a > /dev/null 2>&1 || ret=1
+grep 'Unassociated entries' sed.out.$n.a > /dev/null 2>&1 || ret=1
+grep 'ns.flushtest.example' sed.out.$n.a > /dev/null 2>&1 || ret=1
+$RNDC $RNDCOPTS flushtree flushtest.example || ret=1
+dump_cache
+mv ns2/named_dump.db.test$n ns2/named_dump.db.test$n.b
+sed -n '/plain success\/timeout/,/Unassociated entries/p' \
+	ns2/named_dump.db.test$n.b > sed.out.$n.b
+grep 'plain success/timeout' sed.out.$n.b > /dev/null 2>&1 || ret=1
+grep 'Unassociated entries' sed.out.$n.b > /dev/null 2>&1 || ret=1
+grep 'ns.flushtest.example' sed.out.$n.b > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check expire option returned from primary zone ($n)"
+ret=0
+$DIG @10.53.0.1 -p ${PORT} +expire soa expire-test > dig.out.expire || ret=1
+grep EXPIRE: dig.out.expire > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check expire option returned from secondary zone ($n)"
+ret=0
+$DIG @10.53.0.2 -p ${PORT} +expire soa expire-test > dig.out.expire || ret=1
+grep EXPIRE: dig.out.expire > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/cacheclean/tests_sh_cacheclean.py b/bin/tests/system/cacheclean/tests_sh_cacheclean.py
new file mode 100644
index 0000000..e47157e
--- /dev/null
+++ b/bin/tests/system/cacheclean/tests_sh_cacheclean.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_cacheclean(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/case/clean.sh b/bin/tests/system/case/clean.sh
new file mode 100644
index 0000000..2c7bf97
--- /dev/null
+++ b/bin/tests/system/case/clean.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.ns*.test*
+rm -f ns*/named.conf
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns1/dynamic.db
+rm -f ns1/dynamic.db.jnl
+rm -f ns2/dynamic.bk
+rm -f ns2/dynamic.bk.jnl
+rm -f ns2/example.bk
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/case/dynamic.good b/bin/tests/system/case/dynamic.good
new file mode 100644
index 0000000..66f8afd
--- /dev/null
+++ b/bin/tests/system/case/dynamic.good
@@ -0,0 +1,6 @@
+DyNaMiC.		300	IN	SOA	mname1. . 2000042407 20 20 1814400 3600
+DyNaMiC.		300	IN	NS	ns1.DYNAMIC.
+DynamiC.		300	IN	MX	0 mail.eXaMpLe.
+mAiL.DynamiC.		300	IN	A	10.53.0.1
+ns1.DYNAMIC.		300	IN	A	10.53.0.1
+DyNaMiC.		300	IN	SOA	mname1. . 2000042407 20 20 1814400 3600
diff --git a/bin/tests/system/case/ns1/dynamic.db.in b/bin/tests/system/case/ns1/dynamic.db.in
new file mode 100644
index 0000000..b39b519
--- /dev/null
+++ b/bin/tests/system/case/ns1/dynamic.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+$ORIGIN DyNaMiC.
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+$ORIGIN DYNAMIC.
+			NS	ns1
+ns1			A	10.53.0.1
+$ORIGIN DynamiC.
+@			MX	0 mail.eXaMpLe.
+mAiL			A	10.53.0.1
diff --git a/bin/tests/system/case/ns1/example.db b/bin/tests/system/case/ns1/example.db
new file mode 100644
index 0000000..b58414c
--- /dev/null
+++ b/bin/tests/system/case/ns1/example.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns1
+ns1			A	10.53.0.1
+@			MX	0 mail.eXaMpLe.
+mAiL			A	10.53.0.1
diff --git a/bin/tests/system/case/ns1/named.conf.in b/bin/tests/system/case/ns1/named.conf.in
new file mode 100644
index 0000000..fa0d808
--- /dev/null
+++ b/bin/tests/system/case/ns1/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	ixfr-from-differences yes;
+	check-integrity no;
+	minimal-responses no;
+	dnssec-validation no;
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	also-notify { 10.53.0.2; };
+};
+
+zone "dynamic" {
+	type primary;
+	file "dynamic.db";
+	allow-update { any; };
+	also-notify { 10.53.0.2; };
+};
diff --git a/bin/tests/system/case/ns2/named.conf.in b/bin/tests/system/case/ns2/named.conf.in
new file mode 100644
index 0000000..fe0b52c
--- /dev/null
+++ b/bin/tests/system/case/ns2/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	ixfr-from-differences yes;
+	check-integrity no;
+	no-case-compress { 10.53.0.2; };
+	minimal-responses no;
+	dnssec-validation no;
+};
+
+zone "example" {
+	type secondary;
+	file "example.bk";
+	primaries { 10.53.0.1; };
+};
+
+zone "dynamic" {
+	type secondary;
+	file "dynamic.bk";
+	primaries { 10.53.0.1; };
+};
diff --git a/bin/tests/system/case/postns1.good b/bin/tests/system/case/postns1.good
new file mode 100644
index 0000000..fcb3f9c
--- /dev/null
+++ b/bin/tests/system/case/postns1.good
@@ -0,0 +1,6 @@
+dYNAMIc.		300	IN	SOA	mname1. . 2000042409 20 20 1814400 3600
+DyNaMiC.		300	IN	NS	ns1.DYNAMIC.
+DynamiC.		300	IN	MX	0 mail.eXaMpLe.
+mAiL.DynamiC.		300	IN	A	10.53.0.1
+Ns1.DyNaMIC.		300	IN	A	10.53.0.1
+dYNAMIc.		300	IN	SOA	mname1. . 2000042409 20 20 1814400 3600
diff --git a/bin/tests/system/case/postupdate.good b/bin/tests/system/case/postupdate.good
new file mode 100644
index 0000000..7755928
--- /dev/null
+++ b/bin/tests/system/case/postupdate.good
@@ -0,0 +1,6 @@
+dYNAMIc.		300	IN	SOA	mname1. . 2000042408 20 20 1814400 3600
+DyNaMiC.		300	IN	NS	ns1.DYNAMIC.
+DynamiC.		300	IN	MX	0 mail.eXaMpLe.
+mAiL.DynamiC.		300	IN	A	10.53.0.1
+ns1.DYNAMIC.		300	IN	A	10.53.0.1
+dYNAMIc.		300	IN	SOA	mname1. . 2000042408 20 20 1814400 3600
diff --git a/bin/tests/system/case/setup.sh b/bin/tests/system/case/setup.sh
new file mode 100644
index 0000000..c9de4ee
--- /dev/null
+++ b/bin/tests/system/case/setup.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+cp -f ns1/dynamic.db.in ns1/dynamic.db
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
diff --git a/bin/tests/system/case/tests.sh b/bin/tests/system/case/tests.sh
new file mode 100644
index 0000000..6b40574
--- /dev/null
+++ b/bin/tests/system/case/tests.sh
@@ -0,0 +1,151 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +nosea +nostat +noquest +nocomm +nocmd -p ${PORT}"
+
+wait_for_serial() (
+    $DIG $DIGOPTS "@$1" "$2" SOA > "$4"
+    serial=$(awk '$4 == "SOA" { print $7 }' "$4")
+    [ "$3" -eq "${serial:--1}" ]
+)
+
+status=0
+n=0
+
+n=$((n + 1))
+echo_i "waiting for zone transfer to complete ($n)"
+ret=0
+for i in 1 2 3 4 5 6 7 8 9
+do
+	$DIG $DIGOPTS soa example. @10.53.0.2 > dig.ns2.test$n || true
+	grep SOA dig.ns2.test$n > /dev/null && break
+	sleep 1
+done
+for i in 1 2 3 4 5 6 7 8 9
+do
+	$DIG $DIGOPTS soa dynamic. @10.53.0.2 > dig.ns2.test$n || true
+	grep SOA dig.ns2.test$n > /dev/null && break
+	sleep 1
+done
+
+n=$((n + 1))
+echo_i "testing case preserving responses - no acl ($n)"
+ret=0
+$DIG $DIGOPTS mx example. @10.53.0.1 > dig.ns1.test$n || ret=1
+grep "0.mail.eXaMpLe" dig.ns1.test$n > /dev/null || ret=1
+grep "mAiL.example" dig.ns1.test$n > /dev/null || ret=1
+test $ret -eq 0 || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing no-case-compress acl '{ 10.53.0.2; }' ($n)"
+ret=0
+
+# check that we preserve zone case for non-matching query (10.53.0.1)
+$DIG $DIGOPTS mx example. -b 10.53.0.1 @10.53.0.1 > dig.ns1.test$n || ret=1
+grep "0.mail.eXaMpLe" dig.ns1.test$n > /dev/null || ret=1
+grep "mAiL.example" dig.ns1.test$n > /dev/null || ret=1
+
+# check that we don't preserve zone case for match (10.53.0.2)
+$DIG $DIGOPTS mx example. -b 10.53.0.2 @10.53.0.2 > dig.ns2.test$n || ret=1
+grep "0.mail.example" dig.ns2.test$n > /dev/null || ret=1
+grep "mail.example" dig.ns2.test$n > /dev/null || ret=1
+
+test $ret -eq 0 || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing load of dynamic zone with various \$ORIGIN values ($n)"
+ret=0
+$DIG $DIGOPTS axfr dynamic @10.53.0.1 > dig.ns1.test$n || ret=1
+digcomp dig.ns1.test$n dynamic.good || ret=1
+
+test $ret -eq 0 || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "transfer of dynamic zone with various \$ORIGIN values ($n)"
+ret=0
+$DIG $DIGOPTS axfr dynamic @10.53.0.2 > dig.ns2.test$n || ret=1
+digcomp dig.ns2.test$n dynamic.good || ret=1
+
+test $ret -eq 0 || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "change SOA owner case via update ($n)"
+$NSUPDATE << EOF
+server 10.53.0.1 ${PORT}
+zone dynamic
+update add dYNAMIc 0 SOA mname1. . 2000042408 20 20 1814400 3600
+send
+EOF
+$DIG $DIGOPTS axfr dynamic @10.53.0.1 > dig.ns1.test$n || ret=1
+digcomp dig.ns1.test$n postupdate.good || ret=1
+
+test $ret -eq 0 || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+ret=0
+echo_i "wait for zone to transfer ($n)"
+retry_quiet 20 wait_for_serial 10.53.0.2 dynamic 2000042408 dig.ns2.test$n || ret=1
+
+test $ret -eq 0 || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check SOA owner case is transferred to secondary ($n)"
+ret=0
+$DIG $DIGOPTS axfr dynamic @10.53.0.2 > dig.ns2.test$n || ret=1
+digcomp dig.ns2.test$n postupdate.good || ret=1
+
+test $ret -eq 0 || echo_i "failed"
+status=$((status + ret))
+
+#update delete Ns1.DyNaMIC. 300 IN A 10.53.0.1
+n=$((n + 1))
+echo_i "change A record owner case via update ($n)"
+$NSUPDATE << EOF
+server 10.53.0.1 ${PORT}
+zone dynamic
+update add Ns1.DyNaMIC. 300 IN A 10.53.0.1
+send
+EOF
+$DIG $DIGOPTS axfr dynamic @10.53.0.1 > dig.ns1.test$n || ret=1
+digcomp dig.ns1.test$n postns1.good || ret=1
+
+test $ret -eq 0 || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+ret=0
+echo_i "wait for zone to transfer ($n)"
+retry_quiet 20 wait_for_serial 10.53.0.2 dynamic 2000042409 dig.ns2.test$n || ret=1
+
+test $ret -eq 0 || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check A owner case is transferred to secondary ($n)"
+ret=0
+$DIG $DIGOPTS axfr dynamic @10.53.0.2 > dig.ns2.test$n || ret=1
+digcomp dig.ns2.test$n postns1.good || ret=1
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/case/tests_sh_case.py b/bin/tests/system/case/tests_sh_case.py
new file mode 100644
index 0000000..bbe94d3
--- /dev/null
+++ b/bin/tests/system/case/tests_sh_case.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_case(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/catz/clean.sh b/bin/tests/system/catz/clean.sh
new file mode 100644
index 0000000..21dbc75
--- /dev/null
+++ b/bin/tests/system/catz/clean.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out.*
+rm -f ns*/*.jnl
+rm -f ns*/*.mkeys
+rm -f ns*/*.nzd ns*/*.nzd-lock
+rm -f ns*/*.nzf
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.conf
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/named.run.prev
+rm -f ns1/*dom*example.db
+rm -f ns1/tls1.example.db
+rm -f ns2/__catz__*db
+rm -f ns2/catalog-bad*.db
+rm -f ns2/named.conf.tmp
+rm -f ns3/dom2.example.db ns3/dom13.example.db ns3/dom14.example.db ns3/dom17.example.db ns3/dom18.example.db
+rm -f ns4/__catz__*db
+rm -f ns4/catalog-self.example.db
+rm -f ns[123]/catalog[1234].example.db
+rm -f ns[14]/catalog-tls.example.db
+rm -f nsupdate.out.*
+rm -f wait_for_message.*
+rm -rf ns2/zonedir
diff --git a/bin/tests/system/catz/ns1/catalog-bad1.example.db b/bin/tests/system/catz/ns1/catalog-bad1.example.db
new file mode 100644
index 0000000..b8402de
--- /dev/null
+++ b/bin/tests/system/catz/ns1/catalog-bad1.example.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 3600 SOA . . 1 86400 3600 86400 3600
+@ 3600 IN NS invalid.
diff --git a/bin/tests/system/catz/ns1/catalog-bad2.example.db b/bin/tests/system/catz/ns1/catalog-bad2.example.db
new file mode 100644
index 0000000..06b9121
--- /dev/null
+++ b/bin/tests/system/catz/ns1/catalog-bad2.example.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 3600 SOA . . 1 86400 3600 86400 3600
+@ 3600 IN NS invalid.
+version IN TXT "99"
diff --git a/bin/tests/system/catz/ns1/catalog-bad3.example.db b/bin/tests/system/catz/ns1/catalog-bad3.example.db
new file mode 100644
index 0000000..0116697
--- /dev/null
+++ b/bin/tests/system/catz/ns1/catalog-bad3.example.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 3600 SOA . . 1 86400 3600 86400 3600
+@ 3600 IN NS invalid.
+version IN TXT "1"
+version IN TXT "2"
diff --git a/bin/tests/system/catz/ns1/catalog-bad4.example.db b/bin/tests/system/catz/ns1/catalog-bad4.example.db
new file mode 100644
index 0000000..d04bab3
--- /dev/null
+++ b/bin/tests/system/catz/ns1/catalog-bad4.example.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 3600 SOA . . 1 86400 3600 86400 3600
+@ 3600 IN NS invalid.
+version IN A 10.53.0.1
diff --git a/bin/tests/system/catz/ns1/catalog-bad5.example.db b/bin/tests/system/catz/ns1/catalog-bad5.example.db
new file mode 100644
index 0000000..b014d0a
--- /dev/null
+++ b/bin/tests/system/catz/ns1/catalog-bad5.example.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 3600 SOA . . 1 86400 3600 86400 3600
+@ 3600 CH NS invalid.
+version CH TXT "2"
diff --git a/bin/tests/system/catz/ns1/catalog.example.db.in b/bin/tests/system/catz/ns1/catalog.example.db.in
new file mode 100644
index 0000000..6b52947
--- /dev/null
+++ b/bin/tests/system/catz/ns1/catalog.example.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 3600 SOA . . 1 86400 3600 86400 3600
+@ 3600 IN NS invalid.
+version IN TXT "2"
diff --git a/bin/tests/system/catz/ns1/named.conf.in b/bin/tests/system/catz/ns1/named.conf.in
new file mode 100644
index 0000000..bcfc68a
--- /dev/null
+++ b/bin/tests/system/catz/ns1/named.conf.in
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	tls-port @TLSPORT@;
+	allow-new-zones yes;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on port @EXTRAPORT1@ { 10.53.0.1; };
+	listen-on tls ephemeral { 10.53.0.1; };
+	listen-on-v6 { none; };
+	notify no;
+	recursion no;
+	allow-transfer { any; };
+	dnssec-validation no;
+};
+
+view "default" {
+
+	zone "catalog1.example" {
+		type primary;
+		file "catalog1.example.db";
+		allow-transfer { any; };
+		allow-update { any; };
+		also-notify { 10.53.0.2; };
+		notify explicit;
+	};
+
+	/* catalog2 is provided by the ns3 primary */
+
+	zone "catalog3.example" {
+		type primary;
+		file "catalog3.example.db";
+		allow-transfer { any; };
+		allow-update { any; };
+		also-notify { 10.53.0.2; };
+		notify explicit;
+	};
+
+	zone "catalog4.example" {
+		type primary;
+		file "catalog4.example.db";
+		allow-transfer { any; };
+		allow-update { any; };
+		also-notify { 10.53.0.2; };
+		notify explicit;
+	};
+
+	/* catalog5 is missing on purpose */
+
+	# No "version" property
+	zone "catalog-bad1.example" {
+		type primary;
+		file "catalog-bad1.example.db";
+		allow-transfer { any; };
+		allow-update { any; };
+		also-notify { 10.53.0.2; };
+		notify explicit;
+	};
+
+	# Unsupported "version" property
+	zone "catalog-bad2.example" {
+		type primary;
+		file "catalog-bad2.example.db";
+		allow-transfer { any; };
+		allow-update { any; };
+		also-notify { 10.53.0.2; };
+		notify explicit;
+	};
+
+	# Two RRs in TXT RRset for the "version" property
+	zone "catalog-bad3.example" {
+		type primary;
+		file "catalog-bad3.example.db";
+		allow-transfer { any; };
+		allow-update { any; };
+		also-notify { 10.53.0.2; };
+		notify explicit;
+	};
+
+	# Type A "version" property
+	zone "catalog-bad4.example" {
+		type primary;
+		file "catalog-bad4.example.db";
+		allow-transfer { any; };
+		allow-update { any; };
+		also-notify { 10.53.0.2; };
+		notify explicit;
+	};
+
+	# A catalog zone that requires TLS to be used
+	zone "catalog-tls.example" {
+		type primary;
+		file "catalog-tls.example.db";
+		allow-transfer transport tls { key tsig_key; };
+		allow-update { any; };
+		also-notify { 10.53.0.4; };
+		notify explicit;
+	};
+};
+
+view "ch" ch {
+
+	# Non-IN class catalog zone
+	zone "catalog-bad5.example" ch {
+		type primary;
+		file "catalog-bad5.example.db";
+		allow-transfer { any; };
+		allow-update { any; };
+		also-notify { 10.53.0.2; };
+		notify explicit;
+	};
+
+};
+
+key tsig_key. {
+	secret "LSAnCU+Z";
+	algorithm @DEFAULT_HMAC@;
+};
+
+key next_key. {
+	secret "LaAnCU+Z";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/catz/ns2/dom-existing.example.db b/bin/tests/system/catz/ns2/dom-existing.example.db
new file mode 100644
index 0000000..b8402de
--- /dev/null
+++ b/bin/tests/system/catz/ns2/dom-existing.example.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 3600 SOA . . 1 86400 3600 86400 3600
+@ 3600 IN NS invalid.
diff --git a/bin/tests/system/catz/ns2/named1.conf.in b/bin/tests/system/catz/ns2/named1.conf.in
new file mode 100644
index 0000000..3169abb
--- /dev/null
+++ b/bin/tests/system/catz/ns2/named1.conf.in
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	notify no;
+	recursion no;
+	serial-query-rate 100;
+	dnssec-validation no;
+};
+
+/*
+ * The comment lines starting with "#Tn" markers below are designed to be
+ * uncommented by "tests.sh" when running the tests to perform some of required
+ * tests which need ns2 reconfgiuration.
+ */
+
+view "default" {
+
+	catalog-zones {
+		zone "catalog1.example"
+			default-masters { 10.53.0.1; }
+			in-memory no
+			zone-directory "zonedir";
+		zone "catalog2.example"
+			default-primaries { 10.53.0.1 port @EXTRAPORT1@; }
+			in-memory yes;
+		zone "catalog3.example"
+			default-masters { 10.53.0.1; }
+			zone-directory "nonexistent";
+#T1		zone "catalog4.example"
+#T1			default-masters { 10.53.0.1; };
+#T2		zone "catalog5.example"
+#T2			default-primaries { 10.53.0.1; };
+		zone "catalog-bad1.example"
+			default-masters { 10.53.0.1; }
+			in-memory yes;
+		zone "catalog-bad2.example"
+			default-masters { 10.53.0.1; }
+			in-memory yes;
+		zone "catalog-bad3.example"
+			default-masters { 10.53.0.1; }
+			in-memory yes;
+		zone "catalog-bad4.example"
+			default-masters { 10.53.0.1; }
+			in-memory yes;
+	};
+
+	# A faulty dlz configuration to check if named and catz survive a certain class
+	# of failed configuration attempts (see GL #3060).
+	# We use "dlz" because the dlz processing code is located in an ideal place in
+	# the view configuration function for the test to cover the view reverting code.
+#T3	dlz "bad-dlz" {
+#T3		database "dlopen bad-dlz.so example.org";
+#T3	};
+
+	zone "dom-existing.example" {
+	    type primary;
+	    file "dom-existing.example.db";
+	};
+
+	zone "dom-existing-forward.example" {
+	    type forward;
+	    forward only;
+	    forwarders { 10.53.0.1; };
+	};
+
+	zone "dom-existing-forward-off.example" {
+	    type forward;
+	    forward only;
+	    forwarders { };
+	};
+
+	zone "catalog1.example" {
+		type secondary;
+		file "catalog1.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	zone "catalog2.example" {
+		type secondary;
+		file "catalog2.example.db";
+		primaries { 10.53.0.3; };
+	};
+
+	zone "catalog3.example" {
+		type secondary;
+		file "catalog3.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	zone "catalog4.example" {
+		type secondary;
+		file "catalog4.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	# When the following zone configuration is enabled, "dom3.example" should
+	# already exist as a member of "catalog1.example", and named should be able
+	# to deal with that situation (see GL #3911). Make sure that this duplicate
+	# zone comes after the the "catalog1.example" zone in the configuration file.
+#T4	zone "dom3.example" {
+#T4	    type secondary;
+#T4	    file "dom2.example.db";
+#T4	};
+
+	# No "version" property
+	zone "catalog-bad1.example" {
+		type secondary;
+		file "catalog-bad1.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	# Unsupported "version" property
+	zone "catalog-bad2.example" {
+		type secondary;
+		file "catalog-bad2.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	# Two RRs in TXT RRset for the "version" property
+	zone "catalog-bad3.example" {
+		type secondary;
+		file "catalog-bad3.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	# Type A "version" property
+	zone "catalog-bad4.example" {
+		type secondary;
+		file "catalog-bad4.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+};
+
+view "ch" ch {
+
+	catalog-zones {
+		zone "catalog-bad5.example"
+			default-masters { 10.53.0.1; }
+			in-memory yes;
+	};
+
+	# Non-IN class catalog zone
+	zone "catalog-bad5.example" ch {
+		type secondary;
+		file "catalog-bad5.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+};
+
+key tsig_key. {
+	secret "LSAnCU+Z";
+	algorithm @DEFAULT_HMAC@;
+};
+
+key next_key. {
+	secret "LaAnCU+Z";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/catz/ns2/named2.conf.in b/bin/tests/system/catz/ns2/named2.conf.in
new file mode 100644
index 0000000..b5be974
--- /dev/null
+++ b/bin/tests/system/catz/ns2/named2.conf.in
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	notify no;
+	recursion no;
+	serial-query-rate 100;
+	dnssec-validation no;
+};
+
+view "default" {
+
+	# Removed catalog-zone option, otherwise this is
+	# identical to named1.conf.in
+
+	zone "dom-existing.example" {
+	    type primary;
+	    file "dom-existing.example.db";
+	};
+
+	zone "dom-existing-forward.example" {
+	    type forward;
+	    forward only;
+	    forwarders { 10.53.0.1; };
+	};
+
+	zone "dom-existing-forward-off.example" {
+	    type forward;
+	    forward only;
+	    forwarders { };
+	};
+
+	zone "catalog1.example" {
+		type secondary;
+		file "catalog1.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	zone "catalog2.example" {
+		type secondary;
+		file "catalog2.example.db";
+		primaries { 10.53.0.3; };
+	};
+
+	zone "catalog3.example" {
+		type secondary;
+		file "catalog3.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	zone "catalog4.example" {
+		type secondary;
+		file "catalog4.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	# No "version" property
+	zone "catalog-bad1.example" {
+		type secondary;
+		file "catalog-bad1.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	# Unsupported "version" property
+	zone "catalog-bad2.example" {
+		type secondary;
+		file "catalog-bad2.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	# Two RRs in TXT RRset for the "version" property
+	zone "catalog-bad3.example" {
+		type secondary;
+		file "catalog-bad3.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+	# Type A "version" property
+	zone "catalog-bad4.example" {
+		type secondary;
+		file "catalog-bad4.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+};
+
+view "ch" ch {
+
+	# Removed catalog-zone option, otherwise this is
+	# identical to named1.conf.in
+
+	# Non-IN class catalog zone
+	zone "catalog-bad5.example" ch {
+		type secondary;
+		file "catalog-bad5.example.db";
+		primaries { 10.53.0.1; };
+	};
+
+};
+
+key tsig_key. {
+	secret "LSAnCU+Z";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/catz/ns3/catalog.example.db.in b/bin/tests/system/catz/ns3/catalog.example.db.in
new file mode 100644
index 0000000..eccb4f1
--- /dev/null
+++ b/bin/tests/system/catz/ns3/catalog.example.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 3600 SOA . . 2670950424 86400 3600 86400 3600
+@ 3600 IN NS invalid.
+version IN TXT "1"
diff --git a/bin/tests/system/catz/ns3/dom5.example.db b/bin/tests/system/catz/ns3/dom5.example.db
new file mode 100644
index 0000000..5779aaf
--- /dev/null
+++ b/bin/tests/system/catz/ns3/dom5.example.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 3600 IN SOA . . 1 3600 3600 3600 3600
+@ IN NS invalid.
diff --git a/bin/tests/system/catz/ns3/dom6.example.db b/bin/tests/system/catz/ns3/dom6.example.db
new file mode 100644
index 0000000..5779aaf
--- /dev/null
+++ b/bin/tests/system/catz/ns3/dom6.example.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 3600 IN SOA . . 1 3600 3600 3600 3600
+@ IN NS invalid.
diff --git a/bin/tests/system/catz/ns3/named.conf.in b/bin/tests/system/catz/ns3/named.conf.in
new file mode 100644
index 0000000..fb82379
--- /dev/null
+++ b/bin/tests/system/catz/ns3/named.conf.in
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	allow-new-zones yes;
+	pid-file "named.pid";
+	provide-ixfr no;
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { fd92:7065:b8e:ffff::3; };
+	notify no;
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "catalog2.example" {
+	type primary;
+	file "catalog2.example.db";
+	allow-transfer { any; };
+	allow-update { any; };
+	also-notify { 10.53.0.2; };
+	notify explicit;
+};
+
+zone "dom5.example" {
+	type primary;
+	file "dom5.example.db";
+	allow-transfer { any; };
+	allow-update { any; };
+	notify explicit;
+};
+
+zone "dom6.example" {
+	type primary;
+	file "dom6.example.db";
+	allow-transfer { any; };
+	allow-update { any; };
+	notify explicit;
+};
diff --git a/bin/tests/system/catz/ns4/catalog.example.db.in b/bin/tests/system/catz/ns4/catalog.example.db.in
new file mode 100644
index 0000000..a0bab0d
--- /dev/null
+++ b/bin/tests/system/catz/ns4/catalog.example.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 3600 SOA . . 1 86400 3600 86400 3600
+@ 3600 IN NS invalid.
+version IN TXT "1"
diff --git a/bin/tests/system/catz/ns4/named.conf.in b/bin/tests/system/catz/ns4/named.conf.in
new file mode 100644
index 0000000..2f43c25
--- /dev/null
+++ b/bin/tests/system/catz/ns4/named.conf.in
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	tls-port @TLSPORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { fd92:7065:b8e:ffff::4; };
+	notify no;
+	notify-delay 0;
+	recursion no;
+	serial-query-rate 100;
+	ixfr-from-differences yes; // GL #3777
+	dnssec-validation no;
+
+	catalog-zones {
+		zone "catalog-tls.example"
+			min-update-interval 1s
+			default-primaries { 10.53.0.1 key tsig_key tls ephemeral; };
+		zone "catalog-self.example"
+			min-update-interval 1s
+			default-primaries { 10.53.0.4; };
+	};
+};
+
+zone "catalog-tls.example" {
+	type secondary;
+	file "catalog-tls.example.db";
+	primaries { 10.53.0.1 key tsig_key tls ephemeral; };
+};
+
+zone "catalog-self.example" {
+	type primary;
+	file "catalog-self.example.db";
+	notify explicit;
+};
+
+key tsig_key. {
+	secret "LSAnCU+Z";
+	algorithm @DEFAULT_HMAC@;
+};
+
+key next_key. {
+	secret "LaAnCU+Z";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/catz/setup.sh b/bin/tests/system/catz/setup.sh
new file mode 100644
index 0000000..eb2e53b
--- /dev/null
+++ b/bin/tests/system/catz/setup.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named1.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+
+cp -f ns1/catalog.example.db.in ns1/catalog1.example.db
+cp -f ns3/catalog.example.db.in ns3/catalog2.example.db
+cp -f ns1/catalog.example.db.in ns1/catalog3.example.db
+cp -f ns1/catalog.example.db.in ns1/catalog4.example.db
+cp -f ns1/catalog.example.db.in ns1/catalog-tls.example.db
+cp -f ns4/catalog.example.db.in ns4/catalog-self.example.db
+
+mkdir -p ns2/zonedir
diff --git a/bin/tests/system/catz/tests.sh b/bin/tests/system/catz/tests.sh
new file mode 100644
index 0000000..4965e20
--- /dev/null
+++ b/bin/tests/system/catz/tests.sh
@@ -0,0 +1,2658 @@
+#!/bin/sh -x
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+dig_with_opts() {
+	"$DIG" -p "${PORT}" "$@"
+}
+
+rndccmd() (
+	"$RNDC" -c ../common/rndc.conf -p "${CONTROLPORT}" -s "$@"
+)
+
+_wait_for_message() (
+	nextpartpeek "$1" > wait_for_message.$n
+	grep -F "$2" wait_for_message.$n >/dev/null
+)
+
+wait_for_message() (
+	retry_quiet 20 _wait_for_message "$@"
+)
+
+_wait_for_rcode() (
+	rcode="$1"
+	qtype="$2"
+	ns="$3"
+	qname="$4"
+	file="$5"
+	shift 5
+	dig_with_opts "$ns" "$qtype" "$qname" "$@" >"$file" || return 1
+	grep "status: $rcode" "$file" >/dev/null
+)
+
+wait_for_rcode() (
+	retry_quiet 10 _wait_for_rcode "$@"
+)
+
+wait_for_soa() (
+	wait_for_rcode NOERROR SOA "$@"
+)
+
+wait_for_a() (
+	wait_for_rcode NOERROR A "$@"
+)
+
+wait_for_no_soa() {
+	wait_for_rcode REFUSED SOA "$@"
+}
+
+_wait_for_zonefile() (
+	# shellcheck disable=SC2234
+	[ -f "$1" ]
+)
+
+wait_for_zonefile() (
+	retry_quiet 10 _wait_for_zonefile "$@"
+)
+
+_wait_for_no_zonefile() (
+	# shellcheck disable=SC2234
+	[ ! -f "$1" ]
+)
+
+wait_for_no_zonefile() (
+	retry_quiet 10 _wait_for_no_zonefile "$@"
+)
+
+status=0
+n=0
+
+##########################################################################
+n=$((n+1))
+echo_i "checking that catalog-bad1.example (with no version) has failed to load ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: zone 'catalog-bad1.example' has no 'version' record" &&
+wait_for_message ns2/named.run "catz: new catalog zone 'catalog-bad1.example' is broken and will not be processed" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that catalog-bad2.example (with unsupported version) has failed to load ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: zone 'catalog-bad2.example' unsupported version '99'" &&
+wait_for_message ns2/named.run "catz: new catalog zone 'catalog-bad2.example' is broken and will not be processed" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that catalog-bad3.example (with two supported version records) has failed to load ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: 'version' property TXT RRset contains more than one record, which is invalid" &&
+wait_for_message ns2/named.run "catz: invalid record in catalog zone - version.catalog-bad3.example IN TXT (failure) - ignoring" &&
+wait_for_message ns2/named.run "catz: zone 'catalog-bad3.example' version is not set" &&
+wait_for_message ns2/named.run "catz: new catalog zone 'catalog-bad3.example' is broken and will not be processed" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that catalog-bad4.example (with only spurious type A version record) has failed to load ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: invalid record in catalog zone - version.catalog-bad4.example IN A (failure) - ignoring" &&
+wait_for_message ns2/named.run "catz: zone 'catalog-bad4.example' version is not set" &&
+wait_for_message ns2/named.run "catz: new catalog zone 'catalog-bad4.example' is broken and will not be processed" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that catalog-bad5.example (non-IN class) has failed to load ($n)"
+ret=0
+wait_for_message ns2/named.run "'catalog-zones' option is only supported for views with class IN" &&
+wait_for_message ns2/named.run "all zones loaded" || ret=1
+grep -F "catz: dns_catz_add_zone catalog-bad5.example" ns2/named.run && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+##########################################################################
+echo_i "Testing adding/removing of domain in catalog zone"
+n=$((n+1))
+echo_i "checking that dom1.example. is not served by primary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.1 dom1.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding a domain dom1.example. to primary via RNDC ($n)"
+ret=0
+# enough initial content for IXFR response when TXT record is added below
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom1.example.db
+echo "@ 3600 IN NS invalid." >> ns1/dom1.example.db
+echo "foo 3600 IN TXT some content here" >> ns1/dom1.example.db
+echo "bar 3600 IN TXT some content here" >> ns1/dom1.example.db
+echo "xxx 3600 IN TXT some content here" >> ns1/dom1.example.db
+echo "yyy 3600 IN TXT some content here" >> ns1/dom1.example.db
+rndccmd 10.53.0.1 addzone dom1.example. in default '{ type primary; file "dom1.example.db"; allow-update { any; }; notify explicit; also-notify { 10.53.0.2; }; };' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom1.example. is now served by primary ($n)"
+ret=0
+wait_for_soa @10.53.0.1 dom1.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Adding domain dom1.example. to catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add e721433b6160b450260d4f54b3ec8bab30cb3b83.zones.catalog1.example. 3600 IN PTR dom1.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: adding zone 'dom1.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run "transfer of 'dom1.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom1.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom1.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that zone-directory is populated ($n)"
+ret=0
+wait_for_zonefile "ns2/zonedir/__catz__default_catalog1.example_dom1.example.db" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "update dom1.example. ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+   server 10.53.0.1 ${PORT}
+   update add dom1.example 0 IN TXT added record
+   send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "wait for secondary to be updated ($n)"
+ret=0
+wait_for_txt() {
+	dig_with_opts @10.53.0.2 TXT dom1.example. > dig.out.test$n || return 1
+	grep "ANSWER: 1," dig.out.test$n > /dev/null || return 1
+	grep "status: NOERROR" dig.out.test$n > /dev/null || return 1
+	grep "IN.TXT." dig.out.test$n > /dev/null || return 1
+}
+retry_quiet 10 wait_for_txt || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check that journal was created for cleanup test ($n)"
+ret=0
+test -f ns2/zonedir/__catz__default_catalog1.example_dom1.example.db.jnl || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "update catalog zone serial ($n)"
+ret=0
+# default minimum update rate is once / 5 seconds
+sleep 5
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add catalog1.example 3600 SOA . . 20 86400 3600 86400 3600
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "wait for catalog zone to transfer ($n)"
+ret=0
+wait_for_soa_equal_20() {
+	dig_with_opts @10.53.0.2 SOA catalog1.example. > dig.out.test$n || return 1
+	grep "ANSWER: 1," dig.out.test$n > /dev/null || return 1
+	grep "status: NOERROR" dig.out.test$n > /dev/null || return 1
+	grep 'IN.SOA.\. \. 20 ' dig.out.test$n > /dev/null || return 1
+}
+retry_quiet 10 wait_for_soa_equal_20 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "update dom1.example. again ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+   server 10.53.0.1 ${PORT}
+   update add foo.dom1.example 0 IN TXT added record
+   send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "wait for secondary to be updated again ($n)"
+ret=0
+wait_for_txt() {
+	dig_with_opts @10.53.0.2 TXT foo.dom1.example. > dig.out.test$n || return 1
+	grep "ANSWER: 2," dig.out.test$n > /dev/null || return 1
+	grep "status: NOERROR" dig.out.test$n > /dev/null || return 1
+	grep "IN.TXT." dig.out.test$n > /dev/null || return 1
+}
+retry_quiet 10 wait_for_txt || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "removing domain dom1.example. from catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+   server 10.53.0.1 ${PORT}
+   update delete e721433b6160b450260d4f54b3ec8bab30cb3b83.zones.catalog1.example
+   send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "zone_shutdown: zone dom1.example/IN/default: shutting down" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom1.example. is not served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom1.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that zone-directory is emptied ($n)"
+ret=0
+wait_for_no_zonefile "ns2/zonedir/__catz__default_catalog1.example_dom1.example.db" || ret=1
+wait_for_no_zonefile "ns2/zonedir/__catz__default_catalog1.example_dom1.example.db.jnl" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+##########################################################################
+echo_i "Testing various simple operations on domains, including using multiple catalog zones and garbage in zone"
+n=$((n+1))
+echo_i "adding domain dom2.example. to primary via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom2.example.db
+echo "@ IN NS invalid." >> ns1/dom2.example.db
+echo "@ IN A 192.0.2.1" >> ns1/dom2.example.db
+rndccmd 10.53.0.1 addzone dom2.example. in default '{type primary; file "dom2.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "adding domain dom2.example. to primary ns3 via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns3/dom2.example.db
+echo "@ IN NS invalid." >> ns3/dom2.example.db
+echo "@ IN A 192.0.2.2" >> ns3/dom2.example.db
+rndccmd 10.53.0.3 addzone dom2.example. '{type primary; file "dom2.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "adding domain dom4.example. to primary via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom4.example.db
+echo "@ IN NS invalid." >> ns1/dom4.example.db
+rndccmd 10.53.0.1 addzone dom4.example. in default '{type primary; file "dom4.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "adding domains dom2.example, dom3.example. and some garbage to catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add 636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN PTR dom2.example.
+    update add coo.636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN TXT "catalog2.example."
+    update add b901f492f3ebf6c1e5b597e51766f02f0479eb03.zones.catalog1.example. 3600 IN PTR dom3.example.
+    update add e721433b6160b450260d4f54b3ec8bab30cb3b83.zones.catalog1.example. 3600 IN NS foo.bar.
+    update add trash.catalog1.example. 3600 IN A 1.2.3.4
+    update add trash2.foo.catalog1.example. 3600 IN A 1.2.3.4
+    update add trash3.zones.catalog1.example. 3600 IN NS a.dom2.example.
+    update add foobarbaz.b901f492f3ebf6c1e5b597e51766f02f0479eb03.zones.catalog1.example. 3600 IN PTR dom3.example.
+    update add blahblah.636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN PTR dom2.example.
+    update add foobarbaz.b901f492f3ebf6c1e5b597e51766f02f0479eb03.zones.catalog1.example. 3600 IN APL 1:1.2.3.4/30
+    update add blahblah.636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN TXT "blah blah"
+    update add version.catalog1.example. 3600 IN A 1.2.3.4
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "adding domain dom4.example. to catalog2 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update add de26b88d855397a03f77ff1162fd055d8b419584.zones.catalog2.example. 3600 IN PTR dom4.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: updating catalog zone 'catalog2.example' with serial 2670950425" &&
+wait_for_message ns2/named.run "catz: adding zone 'dom2.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run "catz: adding zone 'dom3.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run "catz: adding zone 'dom4.example' from catalog 'catalog2.example'" &&
+wait_for_message ns2/named.run "transfer of 'dom4.example/IN/default' from 10.53.0.1#${EXTRAPORT1}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom4.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom4.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom3.example. is not served by primary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.1 dom3.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "adding a domain dom3.example. to primary via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom3.example.db
+echo "@ IN NS invalid." >> ns1/dom3.example.db
+rndccmd 10.53.0.1 addzone dom3.example. in default '{type primary; file "dom3.example.db"; also-notify { 10.53.0.2; }; notify explicit; };' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom3.example. is served by primary ($n)"
+ret=0
+wait_for_soa  @10.53.0.1 dom3.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "transfer of 'dom2.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" &&
+wait_for_message ns2/named.run  "transfer of 'dom3.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom3.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom3.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+# The member zone's PTR RRset must have only one record in it.
+# Check that adding a second record to the RRset is caught and such a
+# catalog zone is not processed.
+n=$((n+1))
+echo_i "adding domain dom4-reused-label.example. to catalog2 zone, reusing a label ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update add de26b88d855397a03f77ff1162fd055d8b419584.zones.catalog2.example. 3600 IN PTR dom4-reused-label.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up, and checking that the reused label has been caught ($n)"
+ret=0
+wait_for_message ns2/named.run "de26b88d855397a03f77ff1162fd055d8b419584.zones.catalog2.example IN PTR (failure)" &&
+wait_for_message ns2/named.run "catz: new catalog zone 'catalog2.example' is broken and will not be processed" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "deleting domain dom4-reused-label.example. from catalog2 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update delete de26b88d855397a03f77ff1162fd055d8b419584.zones.catalog2.example. 3600 IN PTR dom4-reused-label.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+# Test zone associated state reset.
+n=$((n+1))
+echo_i "renaming the label of domain dom4.example. in catalog2 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update delete de26b88d855397a03f77ff1162fd055d8b419584.zones.catalog2.example. 3600 IN PTR dom4.example.
+    update add dom4-renamed-label.zones.catalog2.example. 3600 IN PTR dom4.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up, and checking that the zone has been reset ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: zone 'dom4.example' unique label has changed, reset state" &&
+wait_for_message ns2/named.run "catz: deleting zone 'dom4.example' from catalog 'catalog2.example' - success" &&
+wait_for_message ns2/named.run "catz: adding zone 'dom4.example' from catalog 'catalog2.example' - success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding domain dom2.example. to catalog2 zone to test change of ownership ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update add dom2-without-coo.zones.catalog2.example. 3600 IN PTR dom2.example.
+    update add primaries.dom2-without-coo.zones.catalog2.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: adding zone 'dom2.example' from catalog 'catalog2.example'" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that unpermitted change of ownership did not happen ($n)"
+ret=0
+wait_for_message ns2/named.run "catz_addmodzone_taskaction: zone 'dom2.example' will not be added because another catalog zone already contains an entry with that zone" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom2.example. is served by secondary and that it's the one from ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom2.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding change of ownership permission record for dom2.example. into catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add coo.636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN PTR catalog2.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: updating catalog zone 'catalog1.example'" &&
+wait_for_message ns2/named.run "catz: update_from_db: new zone merged" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "updating catalog2 zone to initiate a zone transfer ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update delete dom2-without-coo.zones.catalog2.example. 3600 IN PTR dom2.example.
+    update delete primaries.dom2-without-coo.zones.catalog2.example. 3600 IN A 10.53.0.3
+    update add dom2-with-coo.zones.catalog2.example. 3600 IN PTR dom2.example.
+    update add primaries.dom2-with-coo.zones.catalog2.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up and checking that the change of ownership was successful ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: zone 'dom2.example' change of ownership from 'catalog1.example' to 'catalog2.example'" &&
+wait_for_message ns2/named.run "catz: deleting zone 'dom2.example' from catalog 'catalog1.example' - success" &&
+wait_for_message ns2/named.run "catz: adding zone 'dom2.example' from catalog 'catalog2.example'" &&
+wait_for_message ns2/named.run "transfer of 'dom2.example/IN/default' from 10.53.0.3#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom2.example. is served by secondary and that it's now the one from ns3 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom2.example. dig.out.test$n || ret=1
+grep "192.0.2.2" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "removing dom2.example. and its change of ownership permission record from catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete 636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN PTR dom2.example.
+    update delete coo.636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN PTR catalog2.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: update_from_db: iteration finished" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding change of ownership permission record for dom2.example. into catalog2 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update add coo.dom2-with-coo.zones.catalog2.example. 3600 IN PTR catalog1.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: update_from_db: iteration finished" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding back dom2.example. into catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add 636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN PTR dom2.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that the change of ownership did not happen because version '1' catalog2 zone does not support the 'coo' property ($n)"
+ret=0
+wait_for_message ns2/named.run "catz_addmodzone_taskaction: zone 'dom2.example' will not be added because another catalog zone already contains an entry with that zone" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom2.example. is still served by secondary and that it's still the one from ns3 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom2.example. dig.out.test$n || ret=1
+grep "192.0.2.2" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+# GL #3060
+n=$((n+1))
+echo_i "reconfiguring secondary - checking if catz survives a certain class of failed reconfiguration attempts ($n)"
+ret=0
+sed -e "s/^#T3//" < ns2/named1.conf.in > ns2/named.conf.tmp
+copy_setports ns2/named.conf.tmp ns2/named.conf
+$RNDC -c ../common/rndc.conf -s 10.53.0.2 -p "${CONTROLPORT}" reconfig > /dev/null 2>&1 && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking again that dom3.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom3.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "reconfiguring secondary - reverting the bad configuration ($n)"
+ret=0
+copy_setports ns2/named1.conf.in ns2/named.conf
+rndccmd 10.53.0.2 reconfig || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+# GL #3911
+n=$((n+1))
+echo_i "reconfiguring secondary - checking if catz survives another type of failed reconfiguration attempts ($n)"
+ret=0
+sed -e "s/^#T4//" < ns2/named1.conf.in > ns2/named.conf.tmp
+copy_setports ns2/named.conf.tmp ns2/named.conf
+$RNDC -c ../common/rndc.conf -s 10.53.0.2 -p "${CONTROLPORT}" reconfig > /dev/null 2>&1 && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# catalog zone update can be deferred
+sleep 2
+
+n=$((n+1))
+echo_i "checking again that dom3.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom3.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "reconfiguring secondary - reverting the bad configuration ($n)"
+ret=0
+copy_setports ns2/named1.conf.in ns2/named.conf
+rndccmd 10.53.0.2 reconfig || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding a domain dom-existing.example. to primary via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom-existing.example.db
+echo "@ IN NS invalid." >> ns1/dom-existing.example.db
+echo "@ IN A 192.0.2.1" >> ns1/dom-existing.example.db
+rndccmd 10.53.0.1 addzone dom-existing.example. in default '{type primary; file "dom-existing.example.db"; also-notify { 10.53.0.2; }; notify explicit; };' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom-existing.example. is served by primary ($n)"
+ret=0
+wait_for_a @10.53.0.1 dom-existing.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "adding domain dom-existing.example. to catalog1 zone to test that existing zones don't get overwritten ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add dom-existing.zones.catalog1.example. 3600 IN PTR dom-existing.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: adding zone 'dom-existing.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run "catz_addmodzone_taskaction: zone 'dom-existing.example' will not be added because it is an explicitly configured zone" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom-existing.example. is served by secondary and that it's not the one from the primary ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom-existing.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding a domain dom-existing-forward.example. to primary via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom-existing-forward.example.db
+echo "@ IN NS invalid." >> ns1/dom-existing-forward.example.db
+echo "@ IN A 192.0.2.1" >> ns1/dom-existing-forward.example.db
+rndccmd 10.53.0.1 addzone dom-existing-forward.example. in default '{type primary; file "dom-existing-forward.example.db"; also-notify { 10.53.0.2; }; notify explicit; };' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom-existing-forward.example. is served by primary ($n)"
+ret=0
+wait_for_a @10.53.0.1 dom-existing-forward.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "adding domain dom-existing-forward.example. to catalog1 zone to test that existing forward zones don't get overwritten ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add dom-existing-forward.zones.catalog1.example. 3600 IN PTR dom-existing-forward.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: adding zone 'dom-existing-forward.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run "catz_addmodzone_taskaction: zone 'dom-existing-forward.example' will not be processed because of the explicitly configured forwarding for that zone" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom-existing-forward.example. is not served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom-existing-forward.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding a domain dom-existing-forward-off.example. to primary via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom-existing-forward-off.example.db
+echo "@ IN NS invalid." >> ns1/dom-existing-forward-off.example.db
+echo "@ IN A 192.0.2.1" >> ns1/dom-existing-forward-off.example.db
+rndccmd 10.53.0.1 addzone dom-existing-forward-off.example. in default '{type primary; file "dom-existing-forward-off.example.db"; also-notify { 10.53.0.2; }; notify explicit; };' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom-existing-forward-off.example. is served by primary ($n)"
+ret=0
+wait_for_a @10.53.0.1 dom-existing-forward-off.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "adding domain dom-existing-forward-off.example. to catalog1 zone to test that a zone with turned off forwarding can be used in a catalog zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add dom-existing-forward-off.zones.catalog1.example. 3600 IN PTR dom-existing-forward-off.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: adding zone 'dom-existing-forward-off.example' from catalog 'catalog1.example'" &&
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom-existing-forward-off.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom-existing-forward-off.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "removing all records from catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete 636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN PTR dom2.example.
+    update delete coo.636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN TXT "catalog2.example."
+    update delete b901f492f3ebf6c1e5b597e51766f02f0479eb03.zones.catalog1.example. 3600 IN PTR dom3.example.
+    update delete e721433b6160b450260d4f54b3ec8bab30cb3b83.zones.catalog1.example. 3600 IN NS foo.bar.
+    update delete trash.catalog1.example. 3600 IN A 1.2.3.4
+    update delete trash2.foo.catalog1.example. 3600 IN A 1.2.3.4
+    update delete trash3.zones.catalog1.example. 3600 IN NS a.dom2.example.
+    update delete foobarbaz.b901f492f3ebf6c1e5b597e51766f02f0479eb03.zones.catalog1.example. 3600 IN PTR dom3.example.
+    update delete blahblah.636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN PTR dom2.example.
+    update delete foobarbaz.b901f492f3ebf6c1e5b597e51766f02f0479eb03.zones.catalog1.example. 3600 IN APL 1:1.2.3.4/30
+    update delete blahblah.636722929740e507aaf27c502812fc395d30fb17.zones.catalog1.example. 3600 IN TXT "blah blah"
+    update delete version.catalog1.example. 3600 IN A 1.2.3.4
+    update delete dom-existing.zones.catalog1.example. 3600 IN PTR dom-existing.example.
+    update delete dom-existing-forward.zones.catalog1.example. 3600 IN PTR dom-existing-forward.example.
+    update delete dom-existing-forward-off.zones.catalog1.example. 3600 IN PTR dom-existing-forward.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "removing all records from catalog2 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update delete dom2-with-coo.zones.catalog2.example. 3600 IN PTR dom2.example.
+    update delete primaries.dom2-with-coo.zones.catalog2.example. 3600 IN A 10.53.0.3
+    update delete coo.dom2-with-coo.zones.catalog2.example. 3600 IN PTR catalog1.example.
+    update delete dom4-renamed-label.zones.catalog2.example. 3600 IN PTR dom4.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+echo_i "Testing primaries suboption and random labels"
+n=$((n+1))
+echo_i "adding dom5.example. with a valid primaries suboption (IP without TSIG) and a random label ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add somerandomlabel.zones.catalog1.example. 3600 IN PTR dom5.example.
+    update add primaries.ext.somerandomlabel.zones.catalog1.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: adding zone 'dom5.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run  "transfer of 'dom5.example/IN/default' from 10.53.0.3#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom5.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom5.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "removing dom5.example. ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete somerandomlabel.zones.catalog1.example. 3600 IN PTR dom5.example.
+    update delete primaries.somerandomlabel.zones.catalog1.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "zone_shutdown: zone dom5.example/IN/default: shutting down" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom5.example. is no longer served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom5.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+
+##########################################################################
+echo_i "Testing primaries global option"
+n=$((n+1))
+echo_i "adding dom6.example. and a valid global primaries option (IP without TSIG) ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add primaries.ext.catalog1.example. 3600 IN A 10.53.0.3
+    update add primaries.ext.catalog1.example. 3600 IN AAAA fd92:7065:b8e:ffff::3
+    update add 4346f565b4d63ddb99e5d2497ff22d04e878e8f8.zones.catalog1.example. 3600 IN PTR dom6.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: adding zone 'dom6.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run  "transfer of 'dom6.example/IN/default' from " > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom6.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom6.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "removing dom6.example. ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete primaries.ext.catalog1.example. 3600 IN A 10.53.0.3
+    update delete primaries.ext.catalog1.example. 3600 IN AAAA  fd92:7065:b8e:ffff::3
+    update delete 4346f565b4d63ddb99e5d2497ff22d04e878e8f8.zones.catalog1.example. 3600 IN PTR dom6.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "zone_shutdown: zone dom6.example/IN/default: shutting down" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom6.example. is no longer served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom6.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding dom6.example. and an invalid global primaries option (TSIG without IP) ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add label1.primaries.ext.catalog1.example. 3600 IN TXT "tsig_key"
+    update add 4346f565b4d63ddb99e5d2497ff22d04e878e8f8.zones.catalog1.example. 3600 IN PTR dom6.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: adding zone 'dom6.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run  "error \"failure\" while trying to generate config for zone 'dom6.example'" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "removing dom6.example. ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete label1.primaries.ext.catalog1.example. 3600 IN TXT "tsig_key"
+    update delete 4346f565b4d63ddb99e5d2497ff22d04e878e8f8.zones.catalog1.example. 3600 IN PTR dom6.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: deleting zone 'dom6.example' from catalog 'catalog1.example' - success" > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+n=$((n+1))
+echo_i "Checking that a missing zone directory forces in-memory ($n)"
+ret=0
+grep "'nonexistent' not found; zone files will not be saved" ns2/named.run > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+echo_i "Testing allow-query and allow-transfer ACLs"
+n=$((n+1))
+echo_i "adding domains dom7.example. and dom8.example. to primary via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom7.example.db
+echo "@ IN NS invalid." >> ns1/dom7.example.db
+rndccmd 10.53.0.1 addzone dom7.example. in default '{type primary; file "dom7.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom8.example.db
+echo "@ IN NS invalid." >> ns1/dom8.example.db
+rndccmd 10.53.0.1 addzone dom8.example. in default '{type primary; file "dom8.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom7.example. is now served by primary ($n)"
+ret=0
+wait_for_soa @10.53.0.1 dom7.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding domain dom7.example. to catalog1 zone with an allow-query statement ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add 78833ec3c0059fd4540fee81c7eaddce088e7cd7.zones.catalog1.example. 3600 IN PTR dom7.example.
+    update add allow-query.ext.78833ec3c0059fd4540fee81c7eaddce088e7cd7.zones.catalog1.example. 3600 IN APL 1:10.53.0.1/32 !1:10.53.0.0/30 1:0.0.0.0/0
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: adding zone 'dom7.example' from catalog 'catalog1.example'" > /dev/null &&
+wait_for_message ns2/named.run  "transfer of 'dom7.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom7.example. is accessible from 10.53.0.1 ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom7.example. dig.out.test$n -b 10.53.0.1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom7.example. is not accessible from 10.53.0.2 ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom7.example. dig.out.test$n -b 10.53.0.2 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom7.example. is accessible from 10.53.0.5 ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom7.example. dig.out.test$n -b 10.53.0.5 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+n=$((n+1))
+echo_i "adding dom8.example. domain and global allow-query and allow-transfer ACLs ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add cba95222e308baba42417be6021026fdf20827b6.zones.catalog1.example. 3600 IN PTR dom8.example
+    update add allow-query.ext.catalog1.example. 3600 IN APL 1:10.53.0.1/32
+    update add allow-transfer.ext.catalog1.example. 3600 IN APL 1:10.53.0.2/32
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: update_from_db: new zone merged" &&
+wait_for_message ns2/named.run  "transfer of 'dom8.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom8.example. is accessible from 10.53.0.1 ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom8.example. dig.out.test$n -b 10.53.0.1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom8.example. is not accessible from 10.53.0.2 ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom8.example. dig.out.test$n -b 10.53.0.2 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom8.example. is not AXFR accessible from 10.53.0.1 ($n)"
+ret=0
+dig_with_opts @10.53.0.2 axfr dom8.example. -b 10.53.0.1 > dig.out.test$n || ret=1
+grep "Transfer failed." dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom8.example. is AXFR accessible from 10.53.0.2 ($n)"
+ret=0
+dig_with_opts @10.53.0.2 axfr dom8.example. -b 10.53.0.2 > dig.out.test$n || ret=1
+grep -v "Transfer failed." dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+n=$((n+1))
+echo_i "deleting global allow-query and allow-domain ACLs ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete allow-query.ext.catalog1.example. 3600 IN APL 1:10.53.0.1/32
+    update delete allow-transfer.ext.catalog1.example. 3600 IN APL 1:10.53.0.2/32
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+ret=0
+wait_for_message ns2/named.run  "catz: update_from_db: new zone merged" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom8.example. is accessible from 10.53.0.1 ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom8.example. dig.out.test$n -b 10.53.0.1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom8.example. is accessible from 10.53.0.2 ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom8.example. dig.out.test$n -b 10.53.0.2 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom8.example. is AXFR accessible from 10.53.0.1 ($n)"
+ret=0
+dig_with_opts @10.53.0.2 axfr dom8.example. -b 10.53.0.1 > dig.out.test$n || ret=1
+grep -v "Transfer failed." dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom8.example. is AXFR accessible from 10.53.0.2 ($n)"
+ret=0
+dig_with_opts @10.53.0.2 axfr dom8.example. -b 10.53.0.2 > dig.out.test$n || ret=1
+grep -v "Transfer failed." dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+
+##########################################################################
+echo_i "Testing TSIG keys for primaries set per-domain"
+n=$((n+1))
+echo_i "adding a domain dom9.example. to primary via RNDC, with transfers allowed only with TSIG key ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom9.example.db
+echo "@ IN NS invalid." >> ns1/dom9.example.db
+rndccmd 10.53.0.1 addzone dom9.example. in default '{type primary; file "dom9.example.db"; allow-transfer { key tsig_key; }; };' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom9.example. is now served by primary ($n)"
+ret=0
+wait_for_soa @10.53.0.1 dom9.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding domain dom9.example. to catalog1 zone with a valid primaries suboption (IP with TSIG) ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN PTR dom9.example.
+    update add label1.primaries.ext.f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN A 10.53.0.1
+    update add label1.primaries.ext.f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN TXT "tsig_key"
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: adding zone 'dom9.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run  "transfer of 'dom9.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom9.example. is accessible on secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom9.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "change TSIG key name on primary ($n)"
+ret=0
+rndccmd 10.53.0.1 modzone dom9.example. in default '{type primary; notify yes; file "dom9.example.db"; allow-transfer { key next_key; }; };' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "update TSIG key name in catalog zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update del label1.primaries.ext.f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN TXT "tsig_key"
+    update add label1.primaries.ext.f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN TXT "next_key"
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: modifying zone 'dom9.example' from catalog 'catalog1.example'" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "update zone contents and reload ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 2 3600 3600 3600 3600" > ns1/dom9.example.db
+echo "@ IN NS ns2" >> ns1/dom9.example.db
+echo "ns2 IN A 10.53.0.2" >> ns1/dom9.example.db
+rndccmd 10.53.0.1 reload dom9.example. || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "wait for primary to update zone ($n)"
+ret=0
+wait_for_a @10.53.0.1 ns2.dom9.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "wait for secondary to update zone ($n)"
+ret=0
+wait_for_a @10.53.0.2 ns2.dom9.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "deleting domain dom9.example. from catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN PTR dom9.example.
+    update delete label1.primaries.ext.f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN A 10.53.0.1
+    update delete label1.primaries.ext.f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN TXT "next_key"
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: deleting zone 'dom9.example' from catalog 'catalog1.example' - success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom9.example. is no longer accessible on secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom9.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding domain dom9.example. to catalog1 zone with an invalid primaries suboption (TSIG without IP) ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN PTR dom9.example.
+    update add label1.primaries.ext.f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN TXT "tsig_key"
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: adding zone 'dom9.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run  "error \"failure\" while trying to generate config for zone 'dom9.example'" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "deleting domain dom9.example. from catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN PTR dom9.example.
+    update delete label1.primaries.ext.f0f989bc71c5c8ca3a1eb9c9ab5246521907e3af.zones.catalog1.example. 3600 IN TXT "tsig_key"
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: deleting zone 'dom9.example' from catalog 'catalog1.example'" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+echo_i "Testing catalog entries that can't be represented as filenames"
+# note: we need 4 backslashes in the shell to get 2 backslashes in DNS
+# presentation format, which is 1 backslash on the wire.
+for special in \
+       this.is.a.very.very.long.long.long.domain.that.will.cause.catalog.zones.to.generate.hash.instead.of.using.regular.filename.dom10.example \
+       this.zone/domain.has.a.slash.dom10.example \
+       this.zone\\\\domain.has.backslash.dom10.example \
+       this.zone:domain.has.a.colon.dom.10.example
+do
+    # hashes below are generated by:
+    # python ${TOP}/contrib/scripts/catzhash.py "${special}"
+
+    case "$special" in
+    this.is.a.very.very.long.long.long.domain.that.will.cause.catalog.zones.to.generate.hash.instead.of.using.regular.filename.dom10.example)
+        hash=825f48b1ce1b4cf5a041d20255a0c8e98d114858
+        db=__catz__a35e0a044ff9f37436068e1e83e9b99fb9da51b0fe7b699bdb404f7755d68276.db
+        ;;
+    this.zone/domain.has.a.slash.dom10.example)
+        hash=e64cc64c99bf52d0a77fb16dd7ed57cf925a36aa
+        db=__catz__765197c8050c794f4ec5bbf5dbdf64d0551459c08a91a4217768fcd16cd3b7ce.db
+        ;;
+    this.zone\\\\domain.has.backslash.dom10.example)
+        hash=91e27e02153d38cf656a9b376d7747fbcd19f985
+        db=__catz__0f2f3beaf2ef70e0086063ae28a69444cdf3847cb85e668bfe52c89f7f756b29.db
+        ;;
+    this.zone:domain.has.a.colon.dom.10.example)
+        hash=8b7238bf4c34045834c573ba4116557ebb24d33c
+        db=__catz__ba75ab860533508a62b0937c5c6b8537e4186e4d5e7685161287260d07418251.db
+        ;;
+    esac
+
+    n=$((n+1))
+    echo_i "checking that ${special}. is not served by primary ($n)"
+    ret=0
+    wait_for_no_soa @10.53.0.1 "${special}" dig.out.test$n || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "Adding a domain ${special}. to primary via RNDC ($n)"
+    ret=0
+    echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom10.example.db
+    echo "@ IN NS invalid." >> ns1/dom10.example.db
+    rndccmd 10.53.0.1 addzone '"'"${special}"'"' in default '{type primary; file "dom10.example.db";};' || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "checking that ${special}. is now served by primary ($n)"
+    ret=0
+    wait_for_soa @10.53.0.1 "${special}." dig.out.test$n || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    nextpart ns2/named.run >/dev/null
+
+    n=$((n+1))
+    echo_i "Adding domain ${special}. to catalog1 zone ($n)"
+    ret=0
+    $NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+      server 10.53.0.1 ${PORT}
+      update add ${hash}.zones.catalog1.example 3600 IN PTR ${special}.
+      send
+END
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "waiting for secondary to sync up ($n)"
+    ret=0
+    wait_for_message ns2/named.run  "catz: adding zone '$special' from catalog 'catalog1.example'" &&
+    wait_for_message ns2/named.run  "transfer of '$special/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "checking that ${special}. is served by secondary ($n)"
+    ret=0
+    wait_for_soa @10.53.0.2 "${special}." dig.out.test$n || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "checking that zone-directory is populated with a hashed filename ($n)"
+    ret=0
+    wait_for_zonefile "ns2/zonedir/$db" || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "removing domain ${special}. from catalog1 zone ($n)"
+    ret=0
+    $NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+      server 10.53.0.1 ${PORT}
+      update delete ${hash}.zones.catalog1.example
+      send
+END
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "waiting for secondary to sync up ($n)"
+    ret=0
+    wait_for_message ns2/named.run  "zone_shutdown: zone ${special}/IN/default: shutting down" || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "checking that ${special}. is not served by secondary ($n)"
+    ret=0
+    wait_for_no_soa @10.53.0.2 "${special}." dig.out.test$n || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "checking that zone-directory is emptied ($n)"
+    ret=0
+    wait_for_no_zonefile "ns2/zonedir/$db" || ret=1
+    wait_for_no_zonefile "ns2/zonedir/$db.jnl" || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+done
+
+##########################################################################
+echo_i "Testing adding a domain and a subdomain of it"
+n=$((n+1))
+echo_i "checking that dom11.example. is not served by primary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.1 dom11.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding a domain dom11.example. to primary via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom11.example.db
+echo "@ IN NS invalid." >> ns1/dom11.example.db
+rndccmd 10.53.0.1 addzone dom11.example. in default '{type primary; file "dom11.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom11.example. is now served by primary ($n)"
+ret=0
+wait_for_soa @10.53.0.1 dom11.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Adding domain dom11.example. to catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add 0580d70e769c86c8b951a488d8b776627f427d7a.zones.catalog1.example. 3600 IN PTR dom11.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: adding zone 'dom11.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run  "transfer of 'dom11.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom11.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom11.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that subdomain.of.dom11.example. is not served by primary ($n)"
+ret=0
+wait_for_rcode NXDOMAIN SOA @10.53.0.1 subdomain.of.dom11.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding a domain subdomain.of.dom11.example. to primary via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/subdomain.of.dom11.example.db
+echo "@ IN NS invalid." >> ns1/subdomain.of.dom11.example.db
+rndccmd 10.53.0.1 addzone subdomain.of.dom11.example. in default '{type primary; file "subdomain.of.dom11.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that subdomain.of.dom11.example. is now served by primary ($n)"
+ret=0
+wait_for_soa @10.53.0.1 subdomain.of.dom11.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Adding domain subdomain.of.dom11.example. to catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add 25557e0bdd10cb3710199bb421b776df160f241e.zones.catalog1.example. 3600 IN PTR subdomain.of.dom11.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: adding zone 'subdomain.of.dom11.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run  "transfer of 'subdomain.of.dom11.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that subdomain.of.dom11.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 subdomain.of.dom11.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "removing domain dom11.example. from catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+   server 10.53.0.1 ${PORT}
+   update delete 0580d70e769c86c8b951a488d8b776627f427d7a.zones.catalog1.example
+   send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "zone_shutdown: zone dom11.example/IN/default: shutting down" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom11.example. is not served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom11.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that subdomain.of.dom11.example. is still served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 subdomain.of.dom11.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "removing domain subdomain.of.dom11.example. from catalog1 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+   server 10.53.0.1 ${PORT}
+   update delete 25557e0bdd10cb3710199bb421b776df160f241e.zones.catalog1.example
+   send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "zone_shutdown: zone subdomain.of.dom11.example/IN/default: shutting down" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that subdomain.of.dom11.example. is not served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 subdomain.of.d11.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+echo_i "Testing adding a catalog zone at runtime with rndc reconfig"
+n=$((n+1))
+echo_i "checking that dom12.example. is not served by primary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.1 dom12.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding a domain dom12.example. to primary via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom12.example.db
+echo "@ IN NS invalid." >> ns1/dom12.example.db
+rndccmd 10.53.0.1 addzone dom12.example. in default '{type primary; file "dom12.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom12.example. is now served by primary ($n)"
+ret=0
+wait_for_soa @10.53.0.1 dom12.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Adding domain dom12.example. to catalog4 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add 871d51e5433543c0f6fb263c40f359fbc152c8ae.zones.catalog4.example. 3600 IN PTR dom12.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom12.example. is not served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom12.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+
+n=$((n+1))
+echo_i "reconfiguring secondary - adding catalog4 catalog zone ($n)"
+ret=0
+sed -e "s/^#T1//g" <  ns2/named1.conf.in > ns2/named.conf.tmp
+copy_setports ns2/named.conf.tmp ns2/named.conf
+rndccmd 10.53.0.2 reconfig || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: adding zone 'dom12.example' from catalog 'catalog4.example'" &&
+wait_for_message ns2/named.run  "transfer of 'dom12.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom7.example. is still served by secondary after reconfiguration ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom7.example. dig.out.test$n -b 10.53.0.1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+n=$((n+1))
+
+echo_i "checking that dom12.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom12.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "reconfiguring secondary - removing catalog4 catalog zone, adding non-existent catalog5 catalog zone ($n)"
+ret=0
+sed -e "s/^#T2//" < ns2/named1.conf.in > ns2/named.conf.tmp
+copy_setports ns2/named.conf.tmp ns2/named.conf
+$RNDC -c ../common/rndc.conf -s 10.53.0.2 -p "${CONTROLPORT}" reconfig > /dev/null 2>&1 && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "reconfiguring secondary - removing non-existent catalog5 catalog zone ($n)"
+ret=0
+copy_setports ns2/named1.conf.in ns2/named.conf
+rndccmd 10.53.0.2 reconfig || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom12.example. is not served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom12.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "removing domain dom12.example. from catalog4 zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete 871d51e5433543c0f6fb263c40f359fbc152c8ae.zones.catalog4.example. 3600 IN PTR dom12.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+echo_i "Testing having a zone in two different catalogs"
+n=$((n+1))
+echo_i "checking that dom13.example. is not served by primary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.1 dom13.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding a domain dom13.example. to primary ns1 via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom13.example.db
+echo "@ IN NS invalid." >> ns1/dom13.example.db
+echo "@ IN A 192.0.2.1" >> ns1/dom13.example.db
+rndccmd 10.53.0.1 addzone dom13.example. in default '{type primary; file "dom13.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom13.example. is now served by primary ns1 ($n)"
+ret=0
+wait_for_soa @10.53.0.1 dom13.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding a domain dom13.example. to primary ns3 via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns3/dom13.example.db
+echo "@ IN NS invalid." >> ns3/dom13.example.db
+echo "@ IN A 192.0.2.2" >> ns3/dom13.example.db
+rndccmd 10.53.0.3 addzone dom13.example. '{type primary; file "dom13.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom13.example. is now served by primary ns3 ($n)"
+ret=0
+wait_for_soa @10.53.0.3 dom13.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Adding domain dom13.example. to catalog1 zone with ns1 as primary ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add 8d7989c746b3f92b3bba2479e72afd977198363f.zones.catalog1.example. 3600 IN PTR dom13.example.
+    update add primaries.ext.8d7989c746b3f92b3bba2479e72afd977198363f.zones.catalog1.example. 3600 IN A 10.53.0.1
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: adding zone 'dom13.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run  "transfer of 'dom13.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "checking that dom13.example. is served by secondary and that it's the one from ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom13.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding domain dom13.example. to catalog2 zone with ns3 as primary ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update add 8d7989c746b3f92b3bba2479e72afd977198363f.zones.catalog2.example. 3600 IN PTR dom13.example.
+    update add primaries.8d7989c746b3f92b3bba2479e72afd977198363f.zones.catalog2.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: update_from_db: new zone merged" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom13.example. is served by secondary and that it's still the one from ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom13.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Deleting domain dom13.example. from catalog2 ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update delete 8d7989c746b3f92b3bba2479e72afd977198363f.zones.catalog2.example. 3600 IN PTR dom13.example.
+    update delete primaries.8d7989c746b3f92b3bba2479e72afd977198363f.zones.catalog2.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: update_from_db: new zone merged" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom13.example. is served by secondary and that it's still the one from ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom13.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Deleting domain dom13.example. from catalog1 ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete 8d7989c746b3f92b3bba2479e72afd977198363f.zones.catalog1.example. 3600 IN PTR dom13.example.
+    update delete primaries.ext.8d7989c746b3f92b3bba2479e72afd977198363f.zones.catalog1.example. 3600 IN A 10.53.0.2
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: update_from_db: new zone merged" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom13.example. is no longer served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom13.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+echo_i "Testing recreation of a manually deleted zone after a reload"
+n=$((n+1))
+echo_i "checking that dom16.example. is not served by primary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.1 dom16.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding a domain dom16.example. to primary ns1 via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom16.example.db
+echo "@ IN NS invalid." >> ns1/dom16.example.db
+echo "@ IN A 192.0.2.1" >> ns1/dom16.example.db
+rndccmd 10.53.0.1 addzone dom16.example. in default '{type primary; file "dom16.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom16.example. is now served by primary ns1 ($n)"
+ret=0
+wait_for_soa @10.53.0.1 dom16.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Adding domain dom16.example. to catalog1 zone with ns1 as primary ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add efe725d0cf430ffb113b9bcf59266f066a21216b.zones.catalog1.example. 3600 IN PTR dom16.example.
+    update add masters.efe725d0cf430ffb113b9bcf59266f066a21216b.zones.catalog1.example. 3600 IN A 10.53.0.1
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: adding zone 'dom16.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run  "transfer of 'dom16.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "checking that dom16.example. is served by secondary and that it's the one from ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom16.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+echo_i "Deleting dom16.example. from secondary ns2 via RNDC ($n)"
+ret=0
+rndccmd 10.53.0.2 delzone dom16.example. in default >/dev/null 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom16.example. is no longer served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom16.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+echo_i "Reloading secondary ns2 via RNDC ($n)"
+ret=0
+rndccmd 10.53.0.2 reload >/dev/null 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: update_from_db: new zone merged" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom16.example. is served by secondary and that it's the one from ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom16.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Deleting domain dom16.example. from catalog1 ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete efe725d0cf430ffb113b9bcf59266f066a21216b.zones.catalog1.example. 3600 IN PTR dom16.example.
+    update delete masters.efe725d0cf430ffb113b9bcf59266f066a21216b.zones.catalog1.example. 3600 IN A 10.53.0.1
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: update_from_db: new zone merged" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom16.example. is no longer served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom16.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+echo_i "Testing having a regular zone and a zone in catalog zone of the same name"
+n=$((n+1))
+echo_i "checking that dom14.example. is not served by primary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.1 dom14.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding a domain dom14.example. to primary ns1 via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom14.example.db
+echo "@ IN NS invalid." >> ns1/dom14.example.db
+echo "@ IN A 192.0.2.1" >> ns1/dom14.example.db
+rndccmd 10.53.0.1 addzone dom14.example. in default '{type primary; file "dom14.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom14.example. is now served by primary ns1 ($n)"
+ret=0
+wait_for_soa @10.53.0.1 dom14.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding a domain dom14.example. to primary ns3 via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns3/dom14.example.db
+echo "@ IN NS invalid." >> ns3/dom14.example.db
+echo "@ IN A 192.0.2.2" >> ns3/dom14.example.db
+rndccmd 10.53.0.3 addzone dom14.example. '{type primary; file "dom14.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom14.example. is now served by primary ns3 ($n)"
+ret=0
+wait_for_soa @10.53.0.3 dom14.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Adding domain dom14.example. with rndc with ns1 as primary ($n)"
+ret=0
+rndccmd 10.53.0.2 addzone dom14.example. in default '{type secondary; primaries {10.53.0.1;};};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "transfer of 'dom14.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "checking that dom14.example. is served by secondary and that it's the one from ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom14.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding domain dom14.example. to catalog2 zone with ns3 as primary ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update add 45e3d45ea5f7bd01c395ccbde6ae2e750a3ee8ab.zones.catalog2.example. 3600 IN PTR dom14.example.
+    update add primaries.45e3d45ea5f7bd01c395ccbde6ae2e750a3ee8ab.zones.catalog2.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: update_from_db: new zone merged" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom14.example. is served by secondary and that it's still the one from ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom14.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Deleting domain dom14.example. from catalog2 ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update delete 45e3d45ea5f7bd01c395ccbde6ae2e750a3ee8ab.zones.catalog2.example. 3600 IN PTR dom14.example.
+    update delete primaries.45e3d45ea5f7bd01c395ccbde6ae2e750a3ee8ab.zones.catalog2.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: update_from_db: new zone merged" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom14.example. is served by secondary and that it's still the one from ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom14.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+echo_i "Testing changing label for a member zone"
+n=$((n+1))
+echo_i "checking that dom15.example. is not served by primary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.1 dom15.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Adding a domain dom15.example. to primary ns1 via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom15.example.db
+echo "@ IN NS invalid." >> ns1/dom15.example.db
+rndccmd 10.53.0.1 addzone dom15.example. in default '{type primary; file "dom15.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom15.example. is now served by primary ns1 ($n)"
+ret=0
+wait_for_soa @10.53.0.1 dom15.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+echo_i "Adding domain dom15.example. to catalog1 zone with 'dom15label1' label ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add dom15label1.zones.catalog1.example. 3600 IN PTR dom15.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: update_from_db: new zone merged" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+sleep 3
+
+n=$((n+1))
+echo_i "checking that dom15.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom15.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Changing label of domain dom15.example. from 'dom15label1' to 'dom15label2' ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete dom15label1.zones.catalog1.example. 3600 IN PTR dom15.example.
+    update add dom15label2.zones.catalog1.example. 3600 IN PTR dom15.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: update_from_db: new zone merged" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom15.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.2 dom15.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+echo_i "Testing custom properties version '1' and version '2' syntaxes"
+n=$((n+1))
+echo_i "checking that dom17.example. is not served by primary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.1 dom17.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom18.example. is not served by primary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.1 dom18.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "adding domains dom17.example. and dom18.example. to primary ns1 via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom17.example.db
+echo "@ IN NS invalid." >> ns1/dom17.example.db
+echo "@ IN A 192.0.2.1" >> ns1/dom17.example.db
+rndccmd 10.53.0.1 addzone dom17.example. in default '{type primary; file "dom17.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom18.example.db
+echo "@ IN NS invalid." >> ns1/dom18.example.db
+echo "@ IN A 192.0.2.1" >> ns1/dom18.example.db
+rndccmd 10.53.0.1 addzone dom18.example. in default '{type primary; file "dom18.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom17.example. is now served by primary ns1 ($n)"
+ret=0
+wait_for_soa @10.53.0.1 dom17.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom18.example. is now served by primary ns1 ($n)"
+ret=0
+wait_for_soa @10.53.0.1 dom18.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom17.example. is not served by primary ns3 ($n)"
+ret=0
+wait_for_no_soa @10.53.0.3 dom17.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom18.example. is not served by primary ns3 ($n)"
+ret=0
+wait_for_no_soa @10.53.0.3 dom18.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "adding domains dom17.example. and dom18.example. to primary ns3 via RNDC ($n)"
+ret=0
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns3/dom17.example.db
+echo "@ IN NS invalid." >> ns3/dom17.example.db
+echo "@ IN A 192.0.2.2" >> ns3/dom17.example.db
+rndccmd 10.53.0.3 addzone dom17.example. '{type primary; file "dom17.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns3/dom18.example.db
+echo "@ IN NS invalid." >> ns3/dom18.example.db
+echo "@ IN A 192.0.2.2" >> ns3/dom18.example.db
+rndccmd 10.53.0.3 addzone dom18.example. '{type primary; file "dom18.example.db";};' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom17.example. is now served by primary ns3 ($n)"
+ret=0
+wait_for_soa @10.53.0.3 dom17.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom18.example. is now served by primary ns3 ($n)"
+ret=0
+wait_for_soa @10.53.0.3 dom17.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding domains dom17.example. and dom18.example. to catalog1 zone with ns3 as custom primary using different custom properties syntax ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add dom17.zones.catalog1.example. 3600 IN PTR dom17.example.
+    update add dom18.zones.catalog1.example. 3600 IN PTR dom18.example.
+    update add primaries.dom17.zones.catalog1.example. 3600 IN A 10.53.0.3
+    update add primaries.ext.dom18.zones.catalog1.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: invalid record in catalog zone - primaries.dom17.zones.catalog1.example IN A (failure) - ignoring" &&
+wait_for_message ns2/named.run "catz: adding zone 'dom17.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run "catz: adding zone 'dom18.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run "transfer of 'dom17.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" &&
+wait_for_message ns2/named.run "transfer of 'dom18.example/IN/default' from 10.53.0.3#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# The "primaries" custom property for dom17.example. was added using the legacy
+# syntax into a version 2 catalog1 zone, so we expect that it was ignored, no
+# override of the default setting happened, and dom17.example. was transferred
+# from the ns1 primary (the default).
+n=$((n+1))
+echo_i "checking that dom17.example. is served by secondary and that it's the one from ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom17.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# The "primaries" custom property for dom18.example. was added using a supported
+# syntax into a version 2 catalog1 zone, so we expect that it was processed,
+# will override the default setting, and dom18.example. was transferred
+# from the ns3 primary.
+n=$((n+1))
+echo_i "checking that dom18.example. is served by secondary and that it's the one from ns3 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom18.example. dig.out.test$n || ret=1
+grep "192.0.2.2" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "deleting domain dom17.example. and dom18.example. from catalog1 ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update delete dom17.zones.catalog1.example. 3600 IN PTR dom17.example.
+    update delete dom18.zones.catalog1.example. 3600 IN PTR dom18.example.
+    update delete primaries.dom17.zones.catalog1.example. 3600 IN A 10.53.0.3
+    update delete primaries.ext.dom18.zones.catalog1.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: deleting zone 'dom17.example' from catalog 'catalog1.example' - success" &&
+wait_for_message ns2/named.run  "catz: deleting zone 'dom18.example' from catalog 'catalog1.example' - success" &&
+wait_for_message ns2/named.run  "zone_shutdown: zone dom17.example/IN/default: shutting down" &&
+wait_for_message ns2/named.run  "zone_shutdown: zone dom18.example/IN/default: shutting down" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom17.example. is not served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom17.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom18.example. is not served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom18.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "adding domains dom17.example. and dom18.example. to catalog2 zone with ns3 as custom primary using different custom properties syntax ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update add dom17.zones.catalog2.example. 3600 IN PTR dom17.example.
+    update add dom18.zones.catalog2.example. 3600 IN PTR dom18.example.
+    update add primaries.dom17.zones.catalog2.example. 3600 IN A 10.53.0.3
+    update add primaries.ext.dom18.zones.catalog2.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: invalid record in catalog zone - primaries.ext.dom18.zones.catalog2.example IN A (failure) - ignoring" &&
+wait_for_message ns2/named.run "catz: adding zone 'dom17.example' from catalog 'catalog2.example'" &&
+wait_for_message ns2/named.run "catz: adding zone 'dom18.example' from catalog 'catalog2.example'" &&
+wait_for_message ns2/named.run "transfer of 'dom17.example/IN/default' from 10.53.0.3#${PORT}: Transfer status: success" &&
+wait_for_message ns2/named.run "transfer of 'dom18.example/IN/default' from 10.53.0.1#${EXTRAPORT1}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# The "primaries" custom property for dom17.example. was added using a supported
+# syntax into a version 1 catalog1 zone, so we expect that it was processed,
+# will override the default setting, and dom17.example. was transferred
+# from the ns3 primary.
+n=$((n+1))
+echo_i "checking that dom17.example. is served by secondary and that it's the one from ns3 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom17.example. dig.out.test$n || ret=1
+grep "192.0.2.2" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# The "primaries" custom property for dom18.example. was added using the new
+# syntax into a version 1 catalog1 zone, so we expect that it was ignored, no
+# override of the default setting happened, and dom18.example. was transferred
+# from the ns1 primary (the default).
+n=$((n+1))
+echo_i "checking that dom18.example. is served by secondary and that it's the one from ns1 ($n)"
+ret=0
+wait_for_a @10.53.0.2 dom18.example. dig.out.test$n || ret=1
+grep "192.0.2.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "deleting domain dom17.example. and dom18.example. from catalog2 ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.3 ${PORT}
+    update delete dom17.zones.catalog2.example. 3600 IN PTR dom17.example.
+    update delete dom18.zones.catalog2.example. 3600 IN PTR dom18.example.
+    update delete primaries.dom17.zones.catalog2.example. 3600 IN A 10.53.0.3
+    update delete primaries.ext.dom18.zones.catalog2.example. 3600 IN A 10.53.0.3
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run  "catz: deleting zone 'dom17.example' from catalog 'catalog2.example' - success" &&
+wait_for_message ns2/named.run  "catz: deleting zone 'dom18.example' from catalog 'catalog2.example' - success" &&
+wait_for_message ns2/named.run  "zone_shutdown: zone dom17.example/IN/default: shutting down" &&
+wait_for_message ns2/named.run  "zone_shutdown: zone dom18.example/IN/default: shutting down" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom17.example. is not served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom17.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that dom18.example. is not served by secondary ($n)"
+ret=0
+wait_for_no_soa @10.53.0.2 dom18.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+n=$((n+1))
+echo_i "checking that reconfig can delete and restore catalog zone configuration ($n)"
+ret=0
+copy_setports ns2/named2.conf.in ns2/named.conf
+rndccmd 10.53.0.2 reconfig || ret=1
+copy_setports ns2/named1.conf.in ns2/named.conf
+rndccmd 10.53.0.2 reconfig || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+#########################################################################
+
+nextpart ns2/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Adding a dom19.example. to primary via RNDC ($n)"
+ret=0
+# enough initial content for IXFR response when TXT record is added below
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/dom19.example.db
+echo "@ 3600 IN NS invalid." >> ns1/dom19.example.db
+echo "foo 3600 IN TXT some content here" >> ns1/dom19.example.db
+echo "bar 3600 IN TXT some content here" >> ns1/dom19.example.db
+echo "xxx 3600 IN TXT some content here" >> ns1/dom19.example.db
+echo "yyy 3600 IN TXT some content here" >> ns1/dom19.example.db
+rndccmd 10.53.0.1 addzone dom19.example. in default '{ type primary; file "dom19.example.db"; allow-transfer { key tsig_key; }; allow-update { any; }; notify explicit; also-notify { 10.53.0.2; }; };' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "add an entry to the restored catalog zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add 09da0a318e5333a9a7f6c14c385d69f6933e8b72.zones.catalog1.example. 3600 IN PTR dom19.example.
+    update add label1.primaries.ext.09da0a318e5333a9a7f6c14c385d69f6933e8b72.zones.catalog1.example. 3600 IN A 10.53.0.1
+    update add label1.primaries.ext.09da0a318e5333a9a7f6c14c385d69f6933e8b72.zones.catalog1.example. 3600 IN TXT "tsig_key"
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns2/named.run "catz: adding zone 'dom19.example' from catalog 'catalog1.example'" &&
+wait_for_message ns2/named.run "transfer of 'dom19.example/IN/default' from 10.53.0.1#${PORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+n=$((n+1))
+echo_i "Adding a domain tls1.example. to primary via RNDC ($n)"
+ret=0
+# enough initial content for IXFR response when TXT record is added below
+echo "@ 3600 IN SOA . . 1 3600 3600 3600 3600" > ns1/tls1.example.db
+echo "@ 3600 IN NS invalid." >> ns1/tls1.example.db
+echo "foo 3600 IN TXT some content here" >> ns1/tls1.example.db
+echo "bar 3600 IN TXT some content here" >> ns1/tls1.example.db
+echo "xxx 3600 IN TXT some content here" >> ns1/tls1.example.db
+echo "yyy 3600 IN TXT some content here" >> ns1/tls1.example.db
+rndccmd 10.53.0.1 addzone tls1.example. in default '{ type primary; file "tls1.example.db"; allow-transfer transport tls { key tsig_key; }; allow-update { any; }; notify explicit; also-notify { 10.53.0.4; }; };' || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that tls1.example. is now served by primary ($n)"
+ret=0
+wait_for_soa @10.53.0.1 tls1.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns4/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Adding domain tls1.example. to catalog-tls zone ($n)"
+ret=0
+$NSUPDATE -d <<END >> nsupdate.out.test$n 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    update add 1ba056ba375209a66a2c9a0617b1df714b998112.zones.catalog-tls.example. 3600 IN PTR tls1.example.
+    send
+END
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "waiting for secondary to sync up ($n)"
+ret=0
+wait_for_message ns4/named.run "catz: adding zone 'tls1.example' from catalog 'catalog-tls.example'" &&
+wait_for_message ns4/named.run "transfer of 'tls1.example/IN' from 10.53.0.1#${TLSPORT}: Transfer status: success" || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that tls1.example. is served by secondary ($n)"
+ret=0
+wait_for_soa @10.53.0.4 tls1.example. dig.out.test$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+# GL #3777
+nextpart ns4/named.run >/dev/null
+
+n=$((n+1))
+echo_i "Adding domain self.example. to catalog-self zone without updating the serial ($n)"
+ret=0
+echo "self.zones.catalog-self.example. 3600 IN PTR self.example." >> ns4/catalog-self.example.db
+rndccmd 10.53.0.4 reload || ret=1
+
+n=$((n+1))
+echo_i "Issuing another rndc reload command after 1 second ($n)"
+sleep 1
+rndccmd 10.53.0.4 reload || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##########################################################################
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/catz/tests_sh_catz.py b/bin/tests/system/catz/tests_sh_catz.py
new file mode 100644
index 0000000..eae546f
--- /dev/null
+++ b/bin/tests/system/catz/tests_sh_catz.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_catz(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/cds/checkmtime.pl b/bin/tests/system/cds/checkmtime.pl
new file mode 100644
index 0000000..be53584
--- /dev/null
+++ b/bin/tests/system/cds/checkmtime.pl
@@ -0,0 +1,18 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+my $target = shift;
+my $file = shift;
+my $mtime = time - (stat $file)[9];
+die "bad mtime $mtime"
+	unless ($mtime - $target >= 0 && $mtime - $target < 60);
diff --git a/bin/tests/system/cds/checktime.pl b/bin/tests/system/cds/checktime.pl
new file mode 100644
index 0000000..d85fd91
--- /dev/null
+++ b/bin/tests/system/cds/checktime.pl
@@ -0,0 +1,27 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use strict;
+use warnings;
+
+my $target = shift;
+my $notbefore;
+my $inception;
+while (<>) {
+	$notbefore = $1 if m{^.* must not be signed before \d+ [(](\d+)[)]};
+	$inception = $1 if m{^.* inception time \d+ [(](\d+)[)]};
+}
+die "missing notbefore time" unless $notbefore;
+die "missing inception time" unless $inception;
+my $delta = $inception - $notbefore;
+die "bad inception time $delta" unless abs($delta - $target) <= 10;
diff --git a/bin/tests/system/cds/clean.sh b/bin/tests/system/cds/clean.sh
new file mode 100644
index 0000000..b9743a5
--- /dev/null
+++ b/bin/tests/system/cds/clean.sh
@@ -0,0 +1,23 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f CDNSKEY* CDS* DS*
+rm -f K*
+rm -f UP*
+rm -f brk.*
+rm -f db.*
+rm -f dsset-*
+rm -f empty
+rm -f sig.*
+rm -f vars.sh
+rm -f err* out* xerr xout
diff --git a/bin/tests/system/cds/mangle.pl b/bin/tests/system/cds/mangle.pl
new file mode 100644
index 0000000..9268cc0
--- /dev/null
+++ b/bin/tests/system/cds/mangle.pl
@@ -0,0 +1,19 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+my $re = $ARGV[0];
+shift;
+while (<>) {
+	s{($re)........}{${1}00000000};
+	print;
+}
diff --git a/bin/tests/system/cds/setup.sh b/bin/tests/system/cds/setup.sh
new file mode 100644
index 0000000..6de5de5
--- /dev/null
+++ b/bin/tests/system/cds/setup.sh
@@ -0,0 +1,138 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+set -u
+
+touch empty
+
+Z=cds.test
+
+keyz=$($KEYGEN -q -a $DEFAULT_ALGORITHM $Z)
+key1=$($KEYGEN -q -a $DEFAULT_ALGORITHM -f KSK $Z)
+key2=$($KEYGEN -q -a $DEFAULT_ALGORITHM -f KSK $Z)
+
+idz=$(keyfile_to_key_id $keyz)
+id1=$(keyfile_to_key_id $key1)
+id2=$(keyfile_to_key_id $key2)
+
+cat <<EOF >vars.sh
+Z=$Z
+key1=$key1
+key2=$key2
+idz=$idz
+id1=$id1
+id2=$id2
+EOF
+
+tac() {
+	$PERL -e 'print reverse <>'
+}
+
+convert() {
+	key=$1
+	n=$2
+	$DSFROMKEY -12 $key >DS.$n
+	grep " ${DEFAULT_ALGORITHM_NUMBER} 1 " DS.$n >DS.$n-1
+	grep " ${DEFAULT_ALGORITHM_NUMBER} 2 " DS.$n >DS.$n-2
+	sed 's/ IN DS / IN CDS /' <DS.$n >>CDS.$n
+	sed 's/ IN DS / IN CDS /' <DS.$n-1 >>CDS.$n-1
+	sed 's/ IN DS / IN CDS /' <DS.$n-2 >>CDS.$n-2
+	sed 's/ IN DNSKEY / IN CDNSKEY /' <$key.key >CDNSKEY.$n
+	sed 's/ IN DS / 3600 IN DS /' <DS.$n >DS.ttl$n
+	sed 's/ IN DS / 7200 IN DS /' <DS.$n >DS.ttlong$n
+	tac <DS.$n >DS.rev$n
+}
+convert $key1 1
+convert $key2 2
+
+# consistent order wrt IDs
+sort DS.1 DS.2 >DS.both
+
+cp DS.1 DS.inplace
+$PERL -we 'utime time, time - 7200, "DS.inplace" or die'
+
+mangle="$PERL mangle.pl"
+
+$mangle " IN DS $id1 ${DEFAULT_ALGORITHM_NUMBER} 1 " <DS.1 >DS.broke1
+$mangle " IN DS $id1 ${DEFAULT_ALGORITHM_NUMBER} 2 " <DS.1 >DS.broke2
+$mangle " IN DS $id1 ${DEFAULT_ALGORITHM_NUMBER} [12] " <DS.1 >DS.broke12
+
+sed 's/^/update add /
+$a\
+send
+' <DS.2 >UP.add2
+
+sed 's/^/update del /
+$a\
+send
+' <DS.1 >UP.del1
+
+cat UP.add2 UP.del1 | sed 3d >UP.swap
+
+sed 's/ add \(.*\) IN DS / add \1 3600 IN DS /' <UP.swap >UP.swapttl
+
+sign() {
+	cat >db.$1
+	$SIGNER >/dev/null \
+		 -S -O full -o $Z -f sig.$1 db.$1
+}
+
+sign null <<EOF
+\$TTL 1h
+@	SOA	localhost.	root.localhost. (
+		1	; serial
+		1h	; refresh
+		1h	; retry
+		1w	; expiry
+		1h	; minimum
+		)
+;
+	NS	localhost.
+;
+EOF
+
+cat sig.null CDS.1 >brk.unsigned-cds
+
+cat db.null CDS.1 | sign cds.1
+cat db.null CDS.2 | sign cds.2
+cat db.null CDS.1 CDS.2 | sign cds.both
+
+tac <sig.cds.1 >sig.cds.rev1
+
+cat db.null CDNSKEY.2 | sign cdnskey.2
+cat db.null CDS.2 CDNSKEY.2 | sign cds.cdnskey.2
+cat db.null CDS.1 CDNSKEY.2 | sign cds1.cdnskey2
+
+cat db.null CDS.2-1 | sign cds.2.sha1
+cat db.null CDS.2-1 CDNSKEY.2 | sign cds.cdnskey.2.sha1
+
+$mangle '\s+IN\s+RRSIG\s+CDS .* '$idz' '$Z'\. ' \
+	<sig.cds.1 >brk.rrsig.cds.zsk
+$mangle '\s+IN\s+RRSIG\s+CDS .* '$id1' '$Z'\. ' \
+	<sig.cds.1 >brk.rrsig.cds.ksk
+
+$mangle " IN CDS $id1 ${DEFAULT_ALGORITHM_NUMBER} 1 " <db.cds.1 |
+sign cds-mangled
+
+bad=$($PERL -le "print ($id1 ^ 255);")
+sed "s/IN CDS $id1 ${DEFAULT_ALGORITHM_NUMBER} 1 /IN CDS $bad ${DEFAULT_ALGORITHM_NUMBER} 1 /" <db.cds.1 |
+sign bad-digests
+
+sed "/IN CDS $id1 ${DEFAULT_ALGORITHM_NUMBER} /p;s//IN CDS $bad $ALTERNATIVE_ALGORITHM_NUMBER /" <db.cds.1 |
+sign bad-algos
+
+rm -f dsset-*
diff --git a/bin/tests/system/cds/tests.sh b/bin/tests/system/cds/tests.sh
new file mode 100644
index 0000000..2eb092f
--- /dev/null
+++ b/bin/tests/system/cds/tests.sh
@@ -0,0 +1,260 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+fail() {
+	echo_i "failed"
+	status=$((status + 1))
+}
+
+runcmd() {
+        ("$@" 1> out.$n 2> err.$n; echo $?) || true
+}
+
+testcase() {
+	n=$((n + 1))
+	echo_i "$name ($n)"
+	expect=$1
+	shift
+	result=$(runcmd "$@")
+	check_stdout
+	check_stderr
+	if [ "$expect" -ne "$result" ]; then
+                echo_d "exit status does not match $expect"
+		fail
+	fi
+        unset name err out
+}
+
+check_stderr() {
+	if [ -n "${err:=}" ]; then
+		grep -E "$err" err.$n >/dev/null && return 0
+		echo_d "stderr did not match '$err'"
+	else
+		[ -s err.$n ] || return 0
+	fi
+	cat err.$n | cat_d
+	fail
+}
+
+check_stdout() {
+	diff out.$n "${out:-empty}" >/dev/null && return
+	echo_d "stdout did not match '$out'"
+	(	echo "wanted"
+		cat "$out"
+		echo "got"
+		cat out.$n
+	) | cat_d
+	fail
+}
+
+Z=cds.test
+
+name='usage'
+err='Usage'
+testcase 1 $CDS
+
+name='need a DS file'
+err='DS pathname'
+testcase 1 $CDS $Z
+
+name='name of dsset in directory'
+err="./dsset-$Z.: file not found"
+testcase 1 $CDS -d . $Z
+
+name='load a file'
+err='could not find DS records'
+testcase 1 $CDS -d empty $Z
+
+name='load DS records'
+err='path to file containing child data must be specified'
+testcase 1 $CDS -d DS.1 $Z
+
+name='missing DNSKEY'
+err='could not find signed DNSKEY RRset'
+testcase 1 $CDS -f db.null -d DS.1 $Z
+
+name='sigs too old'
+err='could not validate child DNSKEY RRset'
+testcase 1 $CDS -f sig.null -d DS.1 $Z
+
+name='sigs too old, verbosely'
+err='skip RRSIG by key [0-9]+: too old'
+testcase 1 $CDS -v1 -f sig.null -d DS.1 $Z
+
+name='old sigs are allowed'
+err='found RRSIG by key'
+out=DS.1
+testcase 0 $CDS -v1 -s -7200 -f sig.null -d DS.1 $Z
+
+name='no CDS/CDNSKEY records'
+out=DS.1
+testcase 0 $CDS -s -7200 -f sig.null -d DS.1 $Z
+
+name='no child records, verbosely'
+err='has neither CDS nor CDNSKEY records'
+out=DS.1
+testcase 0 $CDS -v1 -s -7200 -f sig.null -d DS.1 $Z
+
+name='unsigned CDS'
+err='missing RRSIG CDS records'
+testcase 1 $CDS -f brk.unsigned-cds -d DS.1 $Z
+
+name='correct signature inception time'
+$CDS -v3 -s -7200 -f sig.cds.1 -d DS.1 $Z 1>xout 2>xerr
+testcase 0 $PERL checktime.pl 3600 xerr
+
+name='in-place reads modification time'
+testcase 0 $CDS -a1 -a2 -f sig.cds.1 -i.bak -d DS.inplace $Z
+
+name='in-place output correct modification time'
+testcase 0 $PERL checkmtime.pl 3600 DS.inplace
+
+name='in-place backup correct modification time'
+testcase 0 $PERL checkmtime.pl 7200 DS.inplace.bak
+
+name='in-place correct output'
+testcase 0 diff DS.1 DS.inplace
+
+name='in-place backup unmodified'
+testcase 0 diff DS.1 DS.inplace.bak
+
+name='one mangled DS'
+err='found RRSIG by key'
+out=DS.1
+testcase 0 $CDS -v1 -a1 -a2 -s -7200 -f sig.cds.1 -d DS.broke1 $Z
+
+name='other mangled DS'
+err='found RRSIG by key'
+out=DS.1
+testcase 0 $CDS -v1 -a1 -a2 -s -7200 -f sig.cds.1 -d DS.broke2 $Z
+
+name='both mangled DS'
+err='could not validate child DNSKEY RRset'
+testcase 1 $CDS -v1 -a1 -a2 -s -7200 -f sig.cds.1 -d DS.broke12 $Z
+
+name='mangle RRSIG CDS by ZSK'
+err='found RRSIG by key'
+out=DS.1
+testcase 0 $CDS -v1 -a1 -a2 -s -7200 -f brk.rrsig.cds.zsk -d DS.1 $Z
+
+name='mangle RRSIG CDS by KSK'
+err='could not validate child CDS RRset'
+testcase 1 $CDS -v1 -s -7200 -f brk.rrsig.cds.ksk -d DS.1 $Z
+
+name='mangle CDS 1'
+err='could not validate child DNSKEY RRset with new DS records'
+testcase 1 $CDS -a1 -a2 -s -7200 -f sig.cds-mangled -d DS.1 $Z
+
+name='inconsistent digests'
+err='do not cover each key with the same set of digest types'
+testcase 1 $CDS -a1 -a2 -s -7200 -f sig.bad-digests -d DS.1 $Z
+
+name='inconsistent algorithms'
+err='missing signature for algorithm'
+testcase 1 $CDS -s -7200 -f sig.bad-algos -d DS.1 $Z
+
+name='add DS records'
+out=DS.both
+$CDS -a1 -a2 -s -7200 -f sig.cds.both -d DS.1 $Z >DS.out
+# sort to allow for numerical vs lexical order of key tags
+testcase 0 sort DS.out
+
+name='update add'
+out=UP.add2
+testcase 0 $CDS -a1 -a2 -u -s -7200 -f sig.cds.both -d DS.1 $Z
+
+name='remove DS records'
+out=DS.2
+testcase 0 $CDS -a1 -a2 -s -7200 -f sig.cds.2 -d DS.both $Z
+
+name='update del'
+out=UP.del1
+testcase 0 $CDS -a1 -a2 -u -s -7200 -f sig.cds.2 -d DS.both $Z
+
+name='swap DS records'
+out=DS.2
+testcase 0 $CDS -a1 -a2 -s -7200 -f sig.cds.2 -d DS.1 $Z
+
+name='update swap'
+out=UP.swap
+testcase 0 $CDS -a1 -a2 -u -s -7200 -f sig.cds.2 -d DS.1 $Z
+
+name='TTL from -T'
+out=DS.ttl2
+testcase 0 $CDS -a1 -a2 -T 3600 -s -7200 -f sig.cds.2 -d DS.1 $Z
+
+name='update TTL from -T'
+out=UP.swapttl
+testcase 0 $CDS -a1 -a2 -u -T 3600 -s -7200 -f sig.cds.2 -d DS.1 $Z
+
+name='update TTL from dsset'
+out=UP.swapttl
+testcase 0 $CDS -a1 -a2 -u -s -7200 -f sig.cds.2 -d DS.ttl1 $Z
+
+name='TTL from -T overrides dsset'
+out=DS.ttlong2
+testcase 0 $CDS -a1 -a2 -T 7200 -s -7200 -f sig.cds.2 -d DS.ttl1 $Z
+
+name='stable DS record order (changes)'
+out=DS.1
+testcase 0 $CDS -a1 -a2 -s -7200 -f sig.cds.rev1 -d DS.2 $Z
+
+name='CDNSKEY default algorithm'
+out=DS.2-2
+testcase 0 $CDS -s -7200 -f sig.cdnskey.2 -d DS.1 $Z
+
+name='CDNSKEY SHA1'
+out=DS.2-1
+testcase 0 $CDS -a SHA1 -s -7200 -f sig.cdnskey.2 -d DS.1 $Z
+
+name='CDNSKEY two algorithms'
+out=DS.2
+testcase 0 $CDS -a SHA1 -a SHA256 -s -7200 -f sig.cdnskey.2 -d DS.1 $Z
+
+name='CDNSKEY two algorithms, reversed'
+out=DS.2
+testcase 0 $CDS -a SHA256 -a SHA1 -s -7200 -f sig.cdnskey.2 -d DS.1 $Z
+
+name='CDNSKEY and CDS'
+out=DS.2
+testcase 0 $CDS -a1 -a2 -s -7200 -f sig.cds.cdnskey.2 -d DS.1 $Z
+
+name='prefer CDNSKEY'
+out=DS.2-2
+testcase 0 $CDS -D -s -7200 -f sig.cds1.cdnskey2 -d DS.1 $Z
+
+name='CDS subset default (SHA-256)'
+out=DS.2-2
+testcase 0 $CDS -s -7200 -f sig.cds.2 -d DS.1 $Z
+
+name='CDS subset replace SHA1 with SHA2'
+out=DS.2-2
+testcase 0 $CDS -s -7200 -f sig.cds.cdnskey.2.sha1 -d DS.1 $Z
+
+name='CDS subset mismatch'
+err='do not match any -a digest types'
+testcase 1 $CDS -s -7200 -f sig.cds.2.sha1 -d DS.1 $Z
+
+name='CDS algorithm unavailable, use CDNSKEY'
+err='using CDNSKEY instead'
+out=DS.2-2
+testcase 0 $CDS -v1 -a SHA256 -s -7200 -f sig.cds.cdnskey.2.sha1 -d DS.1 $Z
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/cds/tests_sh_cds.py b/bin/tests/system/cds/tests_sh_cds.py
new file mode 100644
index 0000000..d00a8ae
--- /dev/null
+++ b/bin/tests/system/cds/tests_sh_cds.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_cds(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/chain/README b/bin/tests/system/chain/README
new file mode 100644
index 0000000..649142e
--- /dev/null
+++ b/bin/tests/system/chain/README
@@ -0,0 +1,22 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+ns1 is the root server.
+
+ns2 and ns5 are both authoritative servers.
+
+ans3 is a mock authoritative server that can return various broken
+responses.
+
+ans4 is a mock authoritative server that can return CNAME or DNAME
+responses of arbitrary size in arbitrary order.
+
+ns7 is the resolver under test.
diff --git a/bin/tests/system/chain/ans3/ans.pl b/bin/tests/system/chain/ans3/ans.pl
new file mode 100644
index 0000000..271b2a4
--- /dev/null
+++ b/bin/tests/system/chain/ans3/ans.pl
@@ -0,0 +1,131 @@
+#!/usr/bin/env perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use strict;
+use warnings;
+
+use IO::File;
+use Getopt::Long;
+use Net::DNS::Nameserver;
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+my $localaddr = "10.53.0.3";
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $verbose = 0;
+my $ttl = 60;
+my $zone = "example.broken";
+my $nsname = "ns3.$zone";
+my $synth = "synth-then-dname.$zone";
+my $synth2 = "synth2-then-dname.$zone";
+
+sub reply_handler {
+    my ($qname, $qclass, $qtype, $peerhost, $query, $conn) = @_;
+    my ($rcode, @ans, @auth, @add);
+
+    print ("request: $qname/$qtype\n");
+    STDOUT->flush();
+
+    if ($qname eq "example.broken") {
+        if ($qtype eq "SOA") {
+	    my $rr = new Net::DNS::RR("$qname $ttl $qclass SOA . . 0 0 0 0 0");
+	    push @ans, $rr;
+        } elsif ($qtype eq "NS") {
+	    my $rr = new Net::DNS::RR("$qname $ttl $qclass NS $nsname");
+	    push @ans, $rr;
+	    $rr = new Net::DNS::RR("$nsname $ttl $qclass A $localaddr");
+	    push @add, $rr;
+        }
+        $rcode = "NOERROR";
+    } elsif ($qname eq "cname-to-$synth2") {
+        my $rr = new Net::DNS::RR("$qname $ttl $qclass CNAME name.$synth2");
+	push @ans, $rr;
+        $rr = new Net::DNS::RR("name.$synth2 $ttl $qclass CNAME name");
+	push @ans, $rr;
+        $rr = new Net::DNS::RR("$synth2 $ttl $qclass DNAME .");
+	push @ans, $rr;
+	$rcode = "NOERROR";
+    } elsif ($qname eq "$synth" || $qname eq "$synth2") {
+	if ($qtype eq "DNAME") {
+	    my $rr = new Net::DNS::RR("$qname $ttl $qclass DNAME .");
+	    push @ans, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "name.$synth") {
+	my $rr = new Net::DNS::RR("$qname $ttl $qclass CNAME name.");
+	push @ans, $rr;
+	$rr = new Net::DNS::RR("$synth $ttl $qclass DNAME .");
+	push @ans, $rr;
+	$rcode = "NOERROR";
+    } elsif ($qname eq "name.$synth2") {
+	my $rr = new Net::DNS::RR("$qname $ttl $qclass CNAME name.");
+	push @ans, $rr;
+	$rr = new Net::DNS::RR("$synth2 $ttl $qclass DNAME .");
+	push @ans, $rr;
+	$rcode = "NOERROR";
+    # The following three code branches referring to the "example.dname"
+    # zone are necessary for the resolver variant of the CVE-2021-25215
+    # regression test to work.  A named instance cannot be used for
+    # serving the DNAME records below as a version of BIND vulnerable to
+    # CVE-2021-25215 would crash while answering the queries asked by
+    # the tested resolver.
+    } elsif ($qname eq "ns3.example.dname") {
+	if ($qtype eq "A") {
+		my $rr = new Net::DNS::RR("$qname $ttl $qclass A 10.53.0.3");
+		push @ans, $rr;
+	}
+	if ($qtype eq "AAAA") {
+		my $rr = new Net::DNS::RR("example.dname. $ttl $qclass SOA . . 0 0 0 0 $ttl");
+		push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "self.example.self.example.dname") {
+	my $rr = new Net::DNS::RR("self.example.dname. $ttl $qclass DNAME dname.");
+	push @ans, $rr;
+	$rr = new Net::DNS::RR("$qname $ttl $qclass CNAME self.example.dname.");
+	push @ans, $rr;
+	$rcode = "NOERROR";
+    } elsif ($qname eq "self.example.dname") {
+	if ($qtype eq "DNAME") {
+		my $rr = new Net::DNS::RR("$qname $ttl $qclass DNAME dname.");
+		push @ans, $rr;
+	}
+	$rcode = "NOERROR";
+    } else {
+	$rcode = "REFUSED";
+    }
+    return ($rcode, \@ans, \@auth, \@add, { aa => 1 });
+}
+
+GetOptions(
+    'port=i' => \$localport,
+    'verbose!' => \$verbose,
+);
+
+my $ns = Net::DNS::Nameserver->new(
+    LocalAddr => $localaddr,
+    LocalPort => $localport,
+    ReplyHandler => \&reply_handler,
+    Verbose => $verbose,
+);
+
+$ns->main_loop;
diff --git a/bin/tests/system/chain/ans4/README.anspy b/bin/tests/system/chain/ans4/README.anspy
new file mode 100644
index 0000000..7cb0bf0
--- /dev/null
+++ b/bin/tests/system/chain/ans4/README.anspy
@@ -0,0 +1,24 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+REQUIREMENTS
+ans.py requires at least dnspython 1.12.0.
+
+"ans.py" is a fairly simple Python script that will respond as an
+authoritative server to DNS queries. It opens a UDP socket on 10.53.0.4
+and fd92:7065:b8e:ffff::8, port 5300 (or PORT) (these are for DNS queries)
+and a TCP socket addresses on 10.53.0.4 at port 5301 (or EXTRAPORT1)
+(this is the control channel).
+
+Please note that all functionality and formatting are subject to change as
+we determine what features the tool will need.
+
+"ans.py" will respond to queries as follows: TBD
diff --git a/bin/tests/system/chain/ans4/ans.py b/bin/tests/system/chain/ans4/ans.py
new file mode 100755
index 0000000..839067f
--- /dev/null
+++ b/bin/tests/system/chain/ans4/ans.py
@@ -0,0 +1,386 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+############################################################################
+# ans.py: See README.anspy for details.
+############################################################################
+
+from __future__ import print_function
+import os
+import sys
+import signal
+import socket
+import select
+from datetime import datetime, timedelta
+import functools
+
+import dns, dns.message, dns.query
+from dns.rdatatype import *
+from dns.rdataclass import *
+from dns.rcode import *
+from dns.name import *
+
+############################################################################
+# set up the RRs to be returned in the next answer
+#
+# the message contains up to two pipe-separated ('|') fields.
+#
+# the first field of the message is a comma-separated list
+# of actions indicating what to put into the answer set
+# (e.g., a dname, a cname, another cname, etc)
+#
+# supported actions:
+# - cname (cname from the current name to a new one in the same domain)
+# - dname (dname to a new domain, plus a synthesized cname)
+# - xname ("external" cname, to a new name in a new domain)
+#
+# example: xname, dname, cname represents a CNAME to an external
+# domain which is then answered by a DNAME and synthesized
+# CNAME pointing to yet another domain, which is then answered
+# by a CNAME within the same domain, and finally an answer
+# to the query. each RR in the answer set has a corresponding
+# RRSIG. these signatures are not valid, but will exercise the
+# response parser.
+#
+# the second field is a comma-separated list of which RRs in the
+# answer set to include in the answer, in which order. if prepended
+# with 's', the number indicates which signature to include.
+#
+# examples: for the answer set "cname, cname, cname", an rr set
+# '1, s1, 2, s2, 3, s3, 4, s4' indicates that all four RRs should
+# be included in the answer, with siagntures, in the original
+# order, while 4, s4, 3, s3, 2, s2, 1, s1' indicates the order
+# should be reversed, 's3, s3, s3, s3' indicates that the third
+# RRSIG should be repeated four times and everything else should
+# be omitted, and so on.
+#
+# if there is no second field (i.e., no pipe symbol appears in
+# the line) , the default is to send all answers and signatures.
+# if a pipe symbol exists but the second field is empty, then
+# nothing is sent at all.
+############################################################################
+actions = []
+rrs = []
+
+
+def ctl_channel(msg):
+    global actions, rrs
+
+    msg = msg.splitlines().pop(0)
+    print("received control message: %s" % msg)
+
+    msg = msg.split(b"|")
+    if len(msg) == 0:
+        return
+
+    actions = [x.strip() for x in msg[0].split(b",")]
+    n = functools.reduce(
+        lambda n, act: (n + (2 if act == b"dname" else 1)), [0] + actions
+    )
+
+    if len(msg) == 1:
+        rrs = []
+        for i in range(n):
+            for b in [False, True]:
+                rrs.append((i, b))
+        return
+
+    rlist = [x.strip() for x in msg[1].split(b",")]
+    rrs = []
+    for item in rlist:
+        if item[0] == b"s"[0]:
+            i = int(item[1:].strip()) - 1
+            if i > n:
+                print("invalid index %d" + (i + 1))
+                continue
+            rrs.append((int(item[1:]) - 1, True))
+        else:
+            i = int(item) - 1
+            if i > n:
+                print("invalid index %d" % (i + 1))
+                continue
+            rrs.append((i, False))
+
+
+############################################################################
+# Respond to a DNS query.
+############################################################################
+def create_response(msg):
+    m = dns.message.from_wire(msg)
+    qname = m.question[0].name.to_text()
+    labels = qname.lower().split(".")
+    wantsigs = True if m.ednsflags & dns.flags.DO else False
+
+    # get qtype
+    rrtype = m.question[0].rdtype
+    typename = dns.rdatatype.to_text(rrtype)
+
+    # for 'www.example.com.'...
+    # - name is 'www'
+    # - domain is 'example.com.'
+    # - sld is 'example'
+    # - tld is 'com.'
+    name = labels.pop(0)
+    domain = ".".join(labels)
+    sld = labels.pop(0)
+    tld = ".".join(labels)
+
+    print("query: " + qname + "/" + typename)
+    print("domain: " + domain)
+
+    # default answers, depending on QTYPE.
+    # currently only A, AAAA, TXT and NS are supported.
+    ttl = 86400
+    additionalA = "10.53.0.4"
+    additionalAAAA = "fd92:7065:b8e:ffff::4"
+    if typename == "A":
+        final = "10.53.0.4"
+    elif typename == "AAAA":
+        final = "fd92:7065:b8e:ffff::4"
+    elif typename == "TXT":
+        final = "Some\ text\ here"
+    elif typename == "NS":
+        domain = qname
+        final = "ns1.%s" % domain
+    else:
+        final = None
+
+    # RRSIG rdata - won't validate but will exercise response parsing
+    t = datetime.now()
+    delta = timedelta(30)
+    t1 = t - delta
+    t2 = t + delta
+    inception = t1.strftime("%Y%m%d000000")
+    expiry = t2.strftime("%Y%m%d000000")
+    sigdata = "OCXH2De0yE4NMTl9UykvOsJ4IBGs/ZIpff2rpaVJrVG7jQfmj50otBAp A0Zo7dpBU4ofv0N/F2Ar6LznCncIojkWptEJIAKA5tHegf/jY39arEpO cevbGp6DKxFhlkLXNcw7k9o7DSw14OaRmgAjXdTFbrl4AiAa0zAttFko Tso="
+
+    # construct answer set.
+    answers = []
+    sigs = []
+    curdom = domain
+    curname = name
+    i = 0
+
+    for action in actions:
+        if name != "test":
+            continue
+        if action == b"xname":
+            owner = curname + "." + curdom
+            newname = "cname%d" % i
+            i += 1
+            newdom = "domain%d.%s" % (i, tld)
+            i += 1
+            target = newname + "." + newdom
+            print("add external CNAME %s to %s" % (owner, target))
+            answers.append(dns.rrset.from_text(owner, ttl, IN, CNAME, target))
+            rrsig = "CNAME 5 3 %d %s %s 12345 %s %s" % (
+                ttl,
+                expiry,
+                inception,
+                domain,
+                sigdata,
+            )
+            print("add external RRISG(CNAME) %s to %s" % (owner, target))
+            sigs.append(dns.rrset.from_text(owner, ttl, IN, RRSIG, rrsig))
+            curname = newname
+            curdom = newdom
+            continue
+
+        if action == b"cname":
+            owner = curname + "." + curdom
+            newname = "cname%d" % i
+            target = newname + "." + curdom
+            i += 1
+            print("add CNAME %s to %s" % (owner, target))
+            answers.append(dns.rrset.from_text(owner, ttl, IN, CNAME, target))
+            rrsig = "CNAME 5 3 %d %s %s 12345 %s %s" % (
+                ttl,
+                expiry,
+                inception,
+                domain,
+                sigdata,
+            )
+            print("add RRSIG(CNAME) %s to %s" % (owner, target))
+            sigs.append(dns.rrset.from_text(owner, ttl, IN, RRSIG, rrsig))
+            curname = newname
+            continue
+
+        if action == b"dname":
+            owner = curdom
+            newdom = "domain%d.%s" % (i, tld)
+            i += 1
+            print("add DNAME %s to %s" % (owner, newdom))
+            answers.append(dns.rrset.from_text(owner, ttl, IN, DNAME, newdom))
+            rrsig = "DNAME 5 3 %d %s %s 12345 %s %s" % (
+                ttl,
+                expiry,
+                inception,
+                domain,
+                sigdata,
+            )
+            print("add RRSIG(DNAME) %s to %s" % (owner, newdom))
+            sigs.append(dns.rrset.from_text(owner, ttl, IN, RRSIG, rrsig))
+            owner = curname + "." + curdom
+            target = curname + "." + newdom
+            print("add synthesized CNAME %s to %s" % (owner, target))
+            answers.append(dns.rrset.from_text(owner, ttl, IN, CNAME, target))
+            rrsig = "CNAME 5 3 %d %s %s 12345 %s %s" % (
+                ttl,
+                expiry,
+                inception,
+                domain,
+                sigdata,
+            )
+            print("add synthesized RRSIG(CNAME) %s to %s" % (owner, target))
+            sigs.append(dns.rrset.from_text(owner, ttl, IN, RRSIG, rrsig))
+            curdom = newdom
+            continue
+
+    # now add the final answer
+    owner = curname + "." + curdom
+    answers.append(dns.rrset.from_text(owner, ttl, IN, rrtype, final))
+    rrsig = "%s 5 3 %d %s %s 12345 %s %s" % (
+        typename,
+        ttl,
+        expiry,
+        inception,
+        domain,
+        sigdata,
+    )
+    sigs.append(dns.rrset.from_text(owner, ttl, IN, RRSIG, rrsig))
+
+    # prepare the response and convert to wire format
+    r = dns.message.make_response(m)
+
+    if name != "test":
+        r.answer.append(answers[-1])
+        if wantsigs:
+            r.answer.append(sigs[-1])
+    else:
+        for i, sig in rrs:
+            if sig and not wantsigs:
+                continue
+            elif sig:
+                r.answer.append(sigs[i])
+            else:
+                r.answer.append(answers[i])
+
+    if typename != "NS":
+        r.authority.append(
+            dns.rrset.from_text(domain, ttl, IN, "NS", ("ns1.%s" % domain))
+        )
+    r.additional.append(
+        dns.rrset.from_text(("ns1.%s" % domain), 86400, IN, A, additionalA)
+    )
+    r.additional.append(
+        dns.rrset.from_text(("ns1.%s" % domain), 86400, IN, AAAA, additionalAAAA)
+    )
+
+    r.flags |= dns.flags.AA
+    r.use_edns()
+    return r.to_wire()
+
+
+def sigterm(signum, frame):
+    print("Shutting down now...")
+    os.remove("ans.pid")
+    running = False
+    sys.exit(0)
+
+
+############################################################################
+# Main
+#
+# Set up responder and control channel, open the pid file, and start
+# the main loop, listening for queries on the query channel or commands
+# on the control channel and acting on them.
+############################################################################
+ip4 = "10.53.0.4"
+ip6 = "fd92:7065:b8e:ffff::4"
+
+try:
+    port = int(os.environ["PORT"])
+except:
+    port = 5300
+
+try:
+    ctrlport = int(os.environ["EXTRAPORT1"])
+except:
+    ctrlport = 5300
+
+query4_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+query4_socket.bind((ip4, port))
+
+havev6 = True
+try:
+    query6_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+    try:
+        query6_socket.bind((ip6, port))
+    except:
+        query6_socket.close()
+        havev6 = False
+except:
+    havev6 = False
+
+ctrl_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ctrl_socket.bind((ip4, ctrlport))
+ctrl_socket.listen(5)
+
+signal.signal(signal.SIGTERM, sigterm)
+
+f = open("ans.pid", "w")
+pid = os.getpid()
+print(pid, file=f)
+f.close()
+
+running = True
+
+print("Listening on %s port %d" % (ip4, port))
+if havev6:
+    print("Listening on %s port %d" % (ip6, port))
+print("Control channel on %s port %d" % (ip4, ctrlport))
+print("Ctrl-c to quit")
+
+if havev6:
+    input = [query4_socket, query6_socket, ctrl_socket]
+else:
+    input = [query4_socket, ctrl_socket]
+
+while running:
+    try:
+        inputready, outputready, exceptready = select.select(input, [], [])
+    except select.error as e:
+        break
+    except socket.error as e:
+        break
+    except KeyboardInterrupt:
+        break
+
+    for s in inputready:
+        if s == ctrl_socket:
+            # Handle control channel input
+            conn, addr = s.accept()
+            print("Control channel connected")
+            while True:
+                msg = conn.recv(65535)
+                if not msg:
+                    break
+                ctl_channel(msg)
+            conn.close()
+        if s == query4_socket or s == query6_socket:
+            print("Query received on %s" % (ip4 if s == query4_socket else ip6))
+            # Handle incoming queries
+            msg = s.recvfrom(65535)
+            rsp = create_response(msg[0])
+            if rsp:
+                s.sendto(rsp, msg[1])
+    if not running:
+        break
diff --git a/bin/tests/system/chain/clean.sh b/bin/tests/system/chain/clean.sh
new file mode 100755
index 0000000..57b05a7
--- /dev/null
+++ b/bin/tests/system/chain/clean.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out.* named*.pid
+rm -f ns*/named.conf
+rm -f */named.memstats */named.recursing */named.lock */named.run */ans.run
+rm -f ns2/K* ns2/dsset-* ns2/*.db.signed
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/chain/ns1/named.conf.in b/bin/tests/system/chain/ns1/named.conf.in
new file mode 100644
index 0000000..5504261
--- /dev/null
+++ b/bin/tests/system/chain/ns1/named.conf.in
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation yes;
+	notify yes;
+};
+
+zone "." { type primary; file "root.db"; };
diff --git a/bin/tests/system/chain/ns1/root.db b/bin/tests/system/chain/ns1/root.db
new file mode 100644
index 0000000..3469fb5
--- /dev/null
+++ b/bin/tests/system/chain/ns1/root.db
@@ -0,0 +1,51 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	root.domain.nil a.root.servers.nil. (
+				2016012800   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+
+example.broken.		NS	ns3.example.broken.
+ns3.example.broken.	A	10.53.0.3
+
+; for the resolver variant of the CVE-2021-25215 regression test
+example.dname.		NS	ns3.example.dname.
+ns3.example.dname.	A	10.53.0.3
+
+domain0.nil.		NS	ns2.domain0.nil
+domain1.nil.		NS	ns2.domain0.nil
+domain2.nil.		NS	ns2.domain0.nil
+domain3.nil.		NS	ns2.domain0.nil
+domain4.nil.		NS	ns2.domain0.nil
+domain5.nil.		NS	ns2.domain0.nil
+domain6.nil.		NS	ns2.domain0.nil
+domain7.nil.		NS	ns2.domain0.nil
+domain8.nil.		NS	ns2.domain0.nil
+domain9.nil.		NS	ns2.domain0.nil
+ns2.domain0.nil.		A	10.53.0.2
+ns2.domain0.nil.		AAAA	fd92:7065:b8e:ffff::2
+
+domain.nil.		NS	ns4.domain.nil
+ns4.domain.nil.		A	10.53.0.4
+ns4.domain.nil.		AAAA	fd92:7065:b8e:ffff::4
+
+domain.		NS	ns4.domain.
+ns4.domain.		A	10.53.0.4
diff --git a/bin/tests/system/chain/ns2/example.db b/bin/tests/system/chain/ns2/example.db
new file mode 100644
index 0000000..c13f2d2
--- /dev/null
+++ b/bin/tests/system/chain/ns2/example.db
@@ -0,0 +1,69 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+
+a.short			A	10.0.0.1
+short-dname		DNAME	short
+a.longlonglonglonglonglonglonglonglonglonglonglonglong	A 10.0.0.2
+long-dname		DNAME	longlonglonglonglonglonglonglonglonglonglonglonglong
+toolong-dname		DNAME	longlonglonglonglonglonglonglonglonglonglonglonglong
+cname			CNAME	a.cnamedname
+cnamedname		DNAME	target
+a.target		A	10.0.0.3
+
+; CNAME to delegation
+; (unsigned delegations, external and internal)
+sub5			NS	ns5.sub5
+ns5.sub5		A	10.53.0.5
+a			CNAME	a.sub5
+sub2			NS	ns2.sub2
+ns2.sub2		A	10.53.0.2
+b			CNAME	b.sub2
+
+; (signed delegation, external and internal)
+; note: these DS records are fake and will not validate; we're only
+; testing that the resolver handles their presence in a reply correctly
+signed-sub5		NS	ns5.sub5
+signed-sub5		DS	44137 8 2 1CB4F54E0B4F4F85109143113A3C679716A2377D86EB0907846A03FB 0C0A3927
+c			CNAME	c.signed-sub5
+signed-sub2		NS	ns2.sub2
+signed-sub2		DS	44137 8 2 1CB4F54E0B4F4F85109143113A3C679716A2377D86EB0907846A03FB 0C0A3927
+d			CNAME	d.signed-sub2
+
+; long CNAME loop
+loop			CNAME	goop
+goop			CNAME	boop
+boop			CNAME	soup
+soup			CNAME	gump
+gump			CNAME	bump
+bump			CNAME	lump
+lump			CNAME	rump
+rump			CNAME	romp
+romp			CNAME	bomp
+bomp			CNAME	stomp
+stomp			CNAME	clomp
+clomp			CNAME	clump
+clump			CNAME	hunk
+hunk			CNAME	hank
+hank			CNAME	bank
+bank			CNAME	wank
+wank			CNAME	woop
+woop			CNAME	loop
diff --git a/bin/tests/system/chain/ns2/generic.db b/bin/tests/system/chain/ns2/generic.db
new file mode 100644
index 0000000..9d59378
--- /dev/null
+++ b/bin/tests/system/chain/ns2/generic.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	86400	SOA	ns2.domain0.nil. hostmaster.ns2.nil. 0 1 1 1 1
+@	86400	NS 	ns2.domain0.nil.
+ns2	86400	A 	10.53.0.2
+ns2	86400	AAAA    fd92:7065:b8e:ffff::2
+
+@       86400	A 	1.2.3.4
+@       86400	AAAA 	1:2:3::4
+*       86400	A 	1.2.3.4
+*       86400	AAAA 	1:2:3::4
+; CVE-2021-25215 regression test data
+self	86400	DNAME	nil.
diff --git a/bin/tests/system/chain/ns2/named.conf.in b/bin/tests/system/chain/ns2/named.conf.in
new file mode 100644
index 0000000..922d2fa
--- /dev/null
+++ b/bin/tests/system/chain/ns2/named.conf.in
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "example" {
+	type primary;
+	file "example.db.signed";
+	allow-update { any; };
+};
+
+zone "sub2.example" {
+	type primary;
+	file "sub.db";
+};
+
+zone "signed-sub2.example" {
+	type primary;
+	file "sub.db";
+};
+
+zone "wildcard-secure.example" {
+	type primary;
+	file "wildcard-secure.example.db.signed";
+};
+
+zone "wildcard-nsec.example" {
+	type primary;
+	file "wildcard-nsec.example.db.signed";
+};
+
+zone "wildcard-nsec3.example" {
+	type primary;
+	file "wildcard-nsec3.example.db.signed";
+};
+
+zone "wildcard-nsec3-optout.example" {
+	type primary;
+	file "wildcard-nsec3-optout.example.db.signed";
+};
+
+zone "domain0.nil" { type primary; file "generic.db"; };
+zone "domain1.nil" { type primary; file "generic.db"; };
+zone "domain2.nil" { type primary; file "generic.db"; };
+zone "domain3.nil" { type primary; file "generic.db"; };
+zone "domain4.nil" { type primary; file "generic.db"; };
+zone "domain5.nil" { type primary; file "generic.db"; };
+zone "domain6.nil" { type primary; file "generic.db"; };
+zone "domain7.nil" { type primary; file "generic.db"; };
+zone "domain8.nil" { type primary; file "generic.db"; };
+zone "domain9.nil" { type primary; file "generic.db"; };
diff --git a/bin/tests/system/chain/ns2/sign.sh b/bin/tests/system/chain/ns2/sign.sh
new file mode 100644
index 0000000..90d1912
--- /dev/null
+++ b/bin/tests/system/chain/ns2/sign.sh
@@ -0,0 +1,54 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=example.
+zonefile=example.db
+signedfile=example.db.signed
+
+ksk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -b ${DEFAULT_BITS} -fk $zone)
+zsk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -b ${DEFAULT_BITS} $zone)
+$SIGNER -S -o $zone -f $signedfile $zonefile > /dev/null
+
+zone=wildcard-secure.example.
+zonefile=wildcard-secure.db
+signedfile=wildcard-secure.example.db.signed
+
+ksk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -b ${DEFAULT_BITS} -fk $zone)
+zsk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -b ${DEFAULT_BITS} $zone)
+$SIGNER -S -o $zone -f $signedfile $zonefile > /dev/null
+
+zone=wildcard-nsec.example.
+zonefile=wildcard.db
+signedfile=wildcard-nsec.example.db.signed
+
+ksk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -b ${DEFAULT_BITS} -fk $zone)
+zsk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -b ${DEFAULT_BITS} $zone)
+$SIGNER -S -o $zone -f $signedfile $zonefile > /dev/null
+
+zone=wildcard-nsec3.example.
+zonefile=wildcard.db
+signedfile=wildcard-nsec3.example.db.signed
+
+ksk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -b ${DEFAULT_BITS} -fk $zone)
+zsk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -b ${DEFAULT_BITS} $zone)
+$SIGNER -S -3 - -H 0 -o $zone -f $signedfile $zonefile > /dev/null
+
+zone=wildcard-nsec3-optout.example.
+zonefile=wildcard.db
+signedfile=wildcard-nsec3-optout.example.db.signed
+
+ksk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -b ${DEFAULT_BITS} -fk $zone)
+zsk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -b ${DEFAULT_BITS} $zone)
+$SIGNER -S -3 - -H 0 -A -o $zone -f $signedfile $zonefile > /dev/null
diff --git a/bin/tests/system/chain/ns2/sub.db b/bin/tests/system/chain/ns2/sub.db
new file mode 100644
index 0000000..ad03165
--- /dev/null
+++ b/bin/tests/system/chain/ns2/sub.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2017031001 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+d			A	10.0.0.4
diff --git a/bin/tests/system/chain/ns2/wildcard-secure.db b/bin/tests/system/chain/ns2/wildcard-secure.db
new file mode 100644
index 0000000..e39237a
--- /dev/null
+++ b/bin/tests/system/chain/ns2/wildcard-secure.db
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2021051901 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	localhost.
+
+delegation		NS	localhost.
+			DS	12345 13 2 0000000000000000000000000000000000000000000000000000000000000000
+
+; CNAME pointing into a child zone
+cname			CNAME	delegation
+
+; wildcard CNAME pointing at a CNAME pointing into a child zone
+*			CNAME	cname
diff --git a/bin/tests/system/chain/ns2/wildcard.db b/bin/tests/system/chain/ns2/wildcard.db
new file mode 100644
index 0000000..cc39e9c
--- /dev/null
+++ b/bin/tests/system/chain/ns2/wildcard.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2021051901 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	localhost.
+
+delegation		NS	localhost.
+
+; CNAME pointing into a child zone
+cname			CNAME	delegation
+
+; wildcard CNAME pointing at a CNAME pointing into a child zone
+*			CNAME	cname
diff --git a/bin/tests/system/chain/ns5/named.conf.in b/bin/tests/system/chain/ns5/named.conf.in
new file mode 100644
index 0000000..86bbf26
--- /dev/null
+++ b/bin/tests/system/chain/ns5/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "sub5.example" {
+	type primary;
+	file "sub.db";
+};
+
+zone "signed-sub5.example" {
+	type primary;
+	file "sub.db";
+};
diff --git a/bin/tests/system/chain/ns5/sub.db b/bin/tests/system/chain/ns5/sub.db
new file mode 100644
index 0000000..df571fb
--- /dev/null
+++ b/bin/tests/system/chain/ns5/sub.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2017031001 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns5
+ns5			A	10.53.0.5
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+d			A	10.0.0.4
diff --git a/bin/tests/system/chain/ns7/named.conf.in b/bin/tests/system/chain/ns7/named.conf.in
new file mode 100644
index 0000000..32c9b5f
--- /dev/null
+++ b/bin/tests/system/chain/ns7/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	directory ".";
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { fd92:7065:b8e:ffff::7; };
+	recursion yes;
+	allow-recursion { any; };
+	dnssec-validation yes;
+	deny-answer-aliases {
+		"example";
+	} except-from {
+		"example";
+	};
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
diff --git a/bin/tests/system/chain/ns7/root.hint b/bin/tests/system/chain/ns7/root.hint
new file mode 100644
index 0000000..4f3f48b
--- /dev/null
+++ b/bin/tests/system/chain/ns7/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.                        IN NS  a.root-servers.nil.
+a.root-servers.nil.      IN A   10.53.0.1
diff --git a/bin/tests/system/chain/setup.sh b/bin/tests/system/chain/setup.sh
new file mode 100644
index 0000000..6f52e65
--- /dev/null
+++ b/bin/tests/system/chain/setup.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+
+cd ns2
+$SHELL sign.sh
diff --git a/bin/tests/system/chain/tests.sh b/bin/tests/system/chain/tests.sh
new file mode 100644
index 0000000..3ad8e31
--- /dev/null
+++ b/bin/tests/system/chain/tests.sh
@@ -0,0 +1,630 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+sendcmd() {
+    send 10.53.0.4 "${EXTRAPORT1}"
+}
+
+status=0
+n=0
+
+n=$((n + 1))
+echo_i "checking short DNAME from authoritative ($n)"
+ret=0
+$DIG $DIGOPTS a.short-dname.example @10.53.0.2 a > dig.out.ns2.short || ret=1
+grep "status: NOERROR" dig.out.ns2.short > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking short DNAME from recursive ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS a.short-dname.example @10.53.0.7 a > dig.out.ns4.short || ret=1
+grep "status: NOERROR" dig.out.ns4.short > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking long DNAME from authoritative ($n)"
+ret=0
+$DIG $DIGOPTS a.long-dname.example @10.53.0.2 a > dig.out.ns2.long || ret=1
+grep "status: NOERROR" dig.out.ns2.long > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking long DNAME from recursive ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS a.long-dname.example @10.53.0.7 a > dig.out.ns4.long || ret=1
+grep "status: NOERROR" dig.out.ns4.long > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking (too) long DNAME from authoritative ($n)"
+ret=0
+$DIG $DIGOPTS 01234567890123456789012345678901234567890123456789.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.long-dname.example @10.53.0.2 a > dig.out.ns2.toolong || ret=1
+grep "status: YXDOMAIN" dig.out.ns2.toolong > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking (too) long DNAME from recursive with cached DNAME ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS 01234567890123456789012345678901234567890123456789.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.long-dname.example @10.53.0.7 a > dig.out.ns4.cachedtoolong || ret=1
+grep "status: YXDOMAIN" dig.out.ns4.cachedtoolong > /dev/null || ret=1
+grep '^long-dname\.example\..*DNAME.*long' dig.out.ns4.cachedtoolong > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking (too) long DNAME from recursive without cached DNAME ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS 01234567890123456789012345678901234567890123456789.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglonglong.longlonglonglonglonglonglonglonglonglonglonglonglonglong.toolong-dname.example @10.53.0.7 a > dig.out.ns4.uncachedtoolong || ret=1
+grep "status: YXDOMAIN" dig.out.ns4.uncachedtoolong > /dev/null || ret=1
+grep '^toolong-dname\.example\..*DNAME.*long' dig.out.ns4.uncachedtoolong > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+find_records() {
+	owner_name="$1"
+	rr_type="$2"
+	file="$3"
+	awk '$1 == "'"$owner_name"'" && $4 == "'"$rr_type"'" { print }' < "$file"
+}
+
+count_records() {
+	owner_name="$1"
+	rr_type="$2"
+	file="$3"
+	find_records "$owner_name" "$rr_type" "$file" | wc -l
+}
+
+exactly_one_record_exists_for() {
+	owner_name="$1"
+	rr_type="$2"
+	file="$3"
+	test "$(count_records "$owner_name" "$rr_type" "$file")" -eq 1
+}
+
+no_records_exist_for() {
+	owner_name="$1"
+	rr_type="$2"
+	file="$3"
+	test "$(count_records "$owner_name" "$rr_type" "$file")" -eq 0
+}
+
+ensure_no_ds_in_bitmap() {
+	owner_name="$1"
+	rr_type="$2"
+	file="$3"
+	case "$rr_type" in
+		NSEC) start_index=6 ;;
+		NSEC3) start_index=10 ;;
+		*) exit 1 ;;
+	esac
+	find_records "$owner_name" "$rr_type" "$file" | awk '{ for (i='"$start_index"'; i<=NF; i++) if ($i == "DS") exit 1 }'
+}
+
+n=$((n + 1))
+echo_i "checking secure delegation prepared using CNAME chaining ($n)"
+ret=0
+# QNAME exists, so the AUTHORITY section should only contain an NS RRset and a
+# DS RRset.
+$DIG $DIGOPTS @10.53.0.2 cname.wildcard-secure.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1
+# Ensure that the AUTHORITY section contains the expected NS and DS RRsets.
+exactly_one_record_exists_for "delegation.wildcard-secure.example." NS dig.out.2.$n || ret=1
+exactly_one_record_exists_for "delegation.wildcard-secure.example." DS dig.out.2.$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking secure delegation prepared using wildcard expansion + CNAME chaining ($n)"
+ret=0
+# QNAME does not exist, so the AUTHORITY section should contain an NS RRset, an
+# NSEC record proving nonexistence of QNAME, and a DS RRset at the zone cut.
+$DIG $DIGOPTS @10.53.0.2 a-nonexistent-name.wildcard-secure.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1
+# Ensure that the AUTHORITY section contains the expected NS and DS RRsets.
+exactly_one_record_exists_for "delegation.wildcard-secure.example." NS dig.out.2.$n || ret=1
+exactly_one_record_exists_for "delegation.wildcard-secure.example." DS dig.out.2.$n || ret=1
+# Check NSEC records in the AUTHORITY section.
+no_records_exist_for "wildcard-secure.example." NSEC dig.out.2.$n || ret=1
+exactly_one_record_exists_for "*.wildcard-secure.example." NSEC dig.out.2.$n || ret=1
+no_records_exist_for "cname.wildcard-secure.example." NSEC dig.out.2.$n || ret=1
+no_records_exist_for "delegation.wildcard-secure.example." NSEC dig.out.2.$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking insecure delegation prepared using CNAME chaining, NSEC ($n)"
+ret=0
+# QNAME exists, so the AUTHORITY section should only contain an NS RRset and a
+# single NSEC record proving nonexistence of a DS RRset at the zone cut.
+$DIG $DIGOPTS @10.53.0.2 cname.wildcard-nsec.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1
+# Ensure that the AUTHORITY section contains an NS RRset without an associated
+# DS RRset.
+exactly_one_record_exists_for "delegation.wildcard-nsec.example." NS dig.out.2.$n || ret=1
+no_records_exist_for "delegation.wildcard-nsec.example." DS dig.out.2.$n || ret=1
+# Check NSEC records in the AUTHORITY section.
+no_records_exist_for "wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+no_records_exist_for "*.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+no_records_exist_for "cname.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+exactly_one_record_exists_for "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+# Ensure the NSEC record for the zone cut does not have the DS bit set in the
+# type bit map.
+ensure_no_ds_in_bitmap "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC, QNAME #1 ($n)"
+ret=0
+# QNAME does not exist, so the AUTHORITY section should contain an NS RRset and
+# NSEC records proving nonexistence of both QNAME and a DS RRset at the zone
+# cut.  In this test case, these two NSEC records are different.
+$DIG $DIGOPTS @10.53.0.2 a-nonexistent-name.wildcard-nsec.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1
+# Ensure that the AUTHORITY section contains an NS RRset without an associated
+# DS RRset.
+exactly_one_record_exists_for "delegation.wildcard-nsec.example." NS dig.out.2.$n || ret=1
+no_records_exist_for "delegation.wildcard-nsec.example." DS dig.out.2.$n || ret=1
+# Check NSEC records in the AUTHORITY section.
+no_records_exist_for "wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+exactly_one_record_exists_for "*.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+no_records_exist_for "cname.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+exactly_one_record_exists_for "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+# Ensure the NSEC record for the zone cut does not have the DS bit set in the
+# type bit map.
+ensure_no_ds_in_bitmap "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC, QNAME #2 ($n)"
+ret=0
+# QNAME does not exist, so the AUTHORITY section should contain an NS RRset and
+# NSEC records proving nonexistence of both QNAME and a DS RRset at the zone
+# cut.  In this test case, the same NSEC record proves nonexistence of both the
+# QNAME and the DS RRset at the zone cut.
+$DIG $DIGOPTS @10.53.0.2 z-nonexistent-name.wildcard-nsec.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1
+# Ensure that the AUTHORITY section contains an NS RRset without an associated
+# DS RRset.
+exactly_one_record_exists_for "delegation.wildcard-nsec.example." NS dig.out.2.$n || ret=1
+no_records_exist_for "delegation.wildcard-nsec.example." DS dig.out.2.$n || ret=1
+# Check NSEC records in the AUTHORITY section.
+no_records_exist_for "wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+no_records_exist_for "*.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+no_records_exist_for "cname.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+exactly_one_record_exists_for "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+# Ensure the NSEC record for the zone cut does not have the DS bit set in the
+# type bit map.
+ensure_no_ds_in_bitmap "delegation.wildcard-nsec.example." NSEC dig.out.2.$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Relevant NSEC3 hashes:
+#
+# - existing names:
+#
+#       $ nsec3hash - 1 0 wildcard-nsec3.example.
+#       38IVP9CN0LBISO6H3V5REQCKMTHLI5AN (salt=-, hash=1, iterations=0)
+#       $ nsec3hash - 1 0 cname.wildcard-nsec3.example.
+#       3DV6GNNVR0O8LA4DC4CHL2JTVNHT8Q1D (salt=-, hash=1, iterations=0)
+#       $ nsec3hash - 1 0 delegation.wildcard-nsec3.example.
+#       AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC (salt=-, hash=1, iterations=0)
+#       $ nsec3hash - 1 0 *.wildcard-nsec3.example.
+#       Q64D8L8HLSB3L98S59PM8OSSMI7SMQA2 (salt=-, hash=1, iterations=0)
+#
+# - nonexistent names:
+#
+#       $ nsec3hash - 1 0 a-nonexistent-name.wildcard-nsec3.example.
+#       PST9IH6M0DG3M139CO3G12NUP4ER88SH (salt=-, hash=1, iterations=0)
+#       $ nsec3hash - 1 0 z-nonexistent-name.wildcard-nsec3.example.
+#       SG2DEHEAOGCKP7FTNQAUVC3I3TIPJH0J (salt=-, hash=1, iterations=0)
+
+n=$((n + 1))
+echo_i "checking insecure delegation prepared using CNAME chaining, NSEC3 ($n)"
+ret=0
+# QNAME exists, so the AUTHORITY section should only contain an NS RRset and a
+# single NSEC3 record proving nonexistence of a DS RRset at the zone cut.
+$DIG $DIGOPTS @10.53.0.2 cname.wildcard-nsec3.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1
+# Ensure that the AUTHORITY section contains an NS RRset without an associated
+# DS RRset.
+exactly_one_record_exists_for "delegation.wildcard-nsec3.example." NS dig.out.2.$n || ret=1
+no_records_exist_for "delegation.wildcard-nsec3.example." DS dig.out.2.$n || ret=1
+# Check NSEC3 records in the AUTHORITY section.
+no_records_exist_for "38IVP9CN0LBISO6H3V5REQCKMTHLI5AN.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+no_records_exist_for "3DV6GNNVR0O8LA4DC4CHL2JTVNHT8Q1D.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+exactly_one_record_exists_for "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+no_records_exist_for "Q64D8L8HLSB3L98S59PM8OSSMI7SMQA2.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+# Ensure the NSEC3 record matching the zone cut does not have the DS bit set in
+# the type bit map.
+ensure_no_ds_in_bitmap "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC3, QNAME #1 ($n)"
+ret=0
+# QNAME does not exist, so the AUTHORITY section should contain an NS RRset and
+# NSEC3 records proving nonexistence of both QNAME and a DS RRset at the zone
+# cut.  In this test case, these two NSEC3 records are different.
+$DIG $DIGOPTS @10.53.0.2 z-nonexistent-name.wildcard-nsec3.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1
+# Ensure that the AUTHORITY section contains an NS RRset without an associated
+# DS RRset.
+exactly_one_record_exists_for "delegation.wildcard-nsec3.example." NS dig.out.2.$n || ret=1
+no_records_exist_for "delegation.wildcard-nsec3.example." DS dig.out.2.$n || ret=1
+# Check NSEC3 records in the AUTHORITY section.
+no_records_exist_for "38IVP9CN0LBISO6H3V5REQCKMTHLI5AN.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+no_records_exist_for "3DV6GNNVR0O8LA4DC4CHL2JTVNHT8Q1D.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+exactly_one_record_exists_for "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+exactly_one_record_exists_for "Q64D8L8HLSB3L98S59PM8OSSMI7SMQA2.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+# Ensure the NSEC3 record matching the zone cut does not have the DS bit set in
+# the type bit map.
+ensure_no_ds_in_bitmap "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC3, QNAME #2 ($n)"
+ret=0
+# QNAME does not exist, so the AUTHORITY section should contain an NS RRset and
+# NSEC3 records proving nonexistence of both QNAME and a DS RRset at the zone
+# cut.  In this test case, the same NSEC3 record proves nonexistence of both the
+# QNAME and the DS RRset at the zone cut.
+$DIG $DIGOPTS @10.53.0.2 a-nonexistent-name.wildcard-nsec3.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1
+# Ensure that the AUTHORITY section contains an NS RRset without an associated
+# DS RRset.
+exactly_one_record_exists_for "delegation.wildcard-nsec3.example." NS dig.out.2.$n || ret=1
+no_records_exist_for "delegation.wildcard-nsec3.example." DS dig.out.2.$n || ret=1
+# Check NSEC3 records in the AUTHORITY section.
+no_records_exist_for "38IVP9CN0LBISO6H3V5REQCKMTHLI5AN.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+no_records_exist_for "3DV6GNNVR0O8LA4DC4CHL2JTVNHT8Q1D.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+exactly_one_record_exists_for "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+no_records_exist_for "Q64D8L8HLSB3L98S59PM8OSSMI7SMQA2.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+# Ensure the NSEC3 record matching the zone cut does not have the DS bit set in
+# the type bit map.
+ensure_no_ds_in_bitmap "AVKOGGGVJHFSLQA68TILKFKJ94AV4MNC.wildcard-nsec3.example." NSEC3 dig.out.2.$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Relevant NSEC3 hashes:
+#
+# - existing names with corresponding NSEC3 records:
+#
+#       $ nsec3hash - 1 0 *.wildcard-nsec3-optout.example.
+#       2JGSPT59VJ7R9SQB5B9P6HPM5JBATOOO (salt=-, hash=1, iterations=0)
+#       $ nsec3hash - 1 0 cname.wildcard-nsec3-optout.example.
+#       OKRFKC9SS1O60E8U2980UD62MUSMKGUG (salt=-, hash=1, iterations=0)
+#       $ nsec3hash - 1 0 wildcard-nsec3-optout.example.
+#       SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI (salt=-, hash=1, iterations=0)
+#
+# - existing name with no corresponding NSEC3 record due to opt-out:
+#
+#       $ nsec3hash - 1 0 delegation.wildcard-nsec3-optout.example.
+#       UFP8PVECFTD57HU5PUD2HE0ES37QEOAP (salt=-, hash=1, iterations=0)
+#
+# - nonexistent names:
+#
+#       $ nsec3hash - 1 0 b-nonexistent-name.wildcard-nsec3-optout.example.
+#       3J38JE2OU0O7B4CE2ADMBBKJ5HT994S5 (salt=-, hash=1, iterations=0)
+#       $ nsec3hash - 1 0 z-nonexistent-name.wildcard-nsec3-optout.example.
+#       V7OTS4791T9SU0HKVL93EVNAJ9JH2CH3 (salt=-, hash=1, iterations=0)
+
+n=$((n + 1))
+echo_i "checking insecure delegation prepared using CNAME chaining, NSEC3 with opt-out ($n)"
+ret=0
+# QNAME exists, so the AUTHORITY section should only contain an NS RRset and a
+# single NSEC3 record proving nonexistence of a DS RRset at the zone cut.
+$DIG $DIGOPTS @10.53.0.2 cname.wildcard-nsec3-optout.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1
+# Ensure that the AUTHORITY section contains an NS RRset without an associated
+# DS RRset.
+exactly_one_record_exists_for "delegation.wildcard-nsec3-optout.example." NS dig.out.2.$n || ret=1
+no_records_exist_for "delegation.wildcard-nsec3-optout.example." DS dig.out.2.$n || ret=1
+# Check NSEC3 records in the AUTHORITY section.
+no_records_exist_for "2JGSPT59VJ7R9SQB5B9P6HPM5JBATOOO.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+no_records_exist_for "OKRFKC9SS1O60E8U2980UD62MUSMKGUG.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+exactly_one_record_exists_for "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+# Ensure the NSEC3 record covering the zone cut does not have the DS bit set in
+# the type bit map.
+ensure_no_ds_in_bitmap "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC3 with opt-out, QNAME #1 ($n)"
+ret=0
+# QNAME does not exist, so the AUTHORITY section should contain an NS RRset and
+# NSEC3 records proving nonexistence of both QNAME and a DS RRset at the zone
+# cut.  In this test case, these two NSEC3 records are different.
+$DIG $DIGOPTS @10.53.0.2 b-nonexistent-name.wildcard-nsec3-optout.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1
+# Ensure that the AUTHORITY section contains an NS RRset without an associated
+# DS RRset.
+exactly_one_record_exists_for "delegation.wildcard-nsec3-optout.example." NS dig.out.2.$n || ret=1
+no_records_exist_for "delegation.wildcard-nsec3-optout.example." DS dig.out.2.$n || ret=1
+# Check NSEC3 records in the AUTHORITY section.
+exactly_one_record_exists_for "2JGSPT59VJ7R9SQB5B9P6HPM5JBATOOO.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+no_records_exist_for "OKRFKC9SS1O60E8U2980UD62MUSMKGUG.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+exactly_one_record_exists_for "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+# Ensure the NSEC3 record covering the zone cut does not have the DS bit set in
+# the type bit map.
+ensure_no_ds_in_bitmap "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking insecure delegation prepared using wildcard expansion + CNAME chaining, NSEC3 with opt-out, QNAME #2 ($n)"
+ret=0
+# QNAME does not exist, so the AUTHORITY section should contain an NS RRset and
+# NSEC3 records proving nonexistence of both QNAME and a DS RRset at the zone
+# cut.  In this test case, the same NSEC3 record proves nonexistence of both the
+# QNAME and the DS RRset at the zone cut.
+$DIG $DIGOPTS @10.53.0.2 z-nonexistent-name.wildcard-nsec3-optout.example A +norec +dnssec > dig.out.2.$n 2>&1 || ret=1
+# Ensure that the AUTHORITY section contains an NS RRset without an associated
+# DS RRset.
+exactly_one_record_exists_for "delegation.wildcard-nsec3-optout.example." NS dig.out.2.$n || ret=1
+no_records_exist_for "delegation.wildcard-nsec3-optout.example." DS dig.out.2.$n || ret=1
+# Check NSEC3 records in the AUTHORITY section.
+no_records_exist_for "2JGSPT59VJ7R9SQB5B9P6HPM5JBATOOO.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+no_records_exist_for "OKRFKC9SS1O60E8U2980UD62MUSMKGUG.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+exactly_one_record_exists_for "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+# Ensure the NSEC3 record covering the zone cut does not have the DS bit set in
+# the type bit map.
+ensure_no_ds_in_bitmap "SS5M1RUBSGMANEQ1VLRDDEC6SOAT7HNI.wildcard-nsec3-optout.example." NSEC3 dig.out.2.$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking CNAME to DNAME from authoritative ($n)"
+ret=0
+$DIG $DIGOPTS cname.example @10.53.0.2 a > dig.out.ns2.cname
+grep "status: NOERROR" dig.out.ns2.cname > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking CNAME to DNAME from recursive"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS cname.example @10.53.0.7 a > dig.out.ns4.cname
+grep "status: NOERROR" dig.out.ns4.cname > /dev/null || ret=1
+grep '^cname.example.' dig.out.ns4.cname > /dev/null || ret=1
+grep '^cnamedname.example.' dig.out.ns4.cname > /dev/null || ret=1
+grep '^a.cnamedname.example.' dig.out.ns4.cname > /dev/null || ret=1
+grep '^a.target.example.' dig.out.ns4.cname > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DNAME is returned with synthesized CNAME before DNAME ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS @10.53.0.7 name.synth-then-dname.example.broken A > dig.out.test$n
+grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
+grep '^name.synth-then-dname\.example\.broken\..*CNAME.*name.$' dig.out.test$n > /dev/null || ret=1
+grep '^synth-then-dname\.example\.broken\..*DNAME.*\.$' dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DNAME is returned with CNAME to synthesized CNAME before DNAME ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS @10.53.0.7 cname-to-synth2-then-dname.example.broken A > dig.out.test$n
+grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
+grep '^cname-to-synth2-then-dname\.example\.broken\..*CNAME.*name\.synth2-then-dname\.example\.broken.$' dig.out.test$n > /dev/null || ret=1
+grep '^name\.synth2-then-dname\.example\.broken\..*CNAME.*name.$' dig.out.test$n > /dev/null || ret=1
+grep '^synth2-then-dname\.example\.broken\..*DNAME.*\.$' dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking CNAME loops are detected ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS @10.53.0.7 loop.example > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 17" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking CNAME to external delegated zones is handled ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS @10.53.0.7 a.example > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking CNAME to internal delegated zones is handled ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS @10.53.0.7 b.example > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking CNAME to signed external delegation is handled ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS @10.53.0.7 c.example > dig.out.$n
+grep "status: NOERROR" dig.out.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking CNAME to signed internal delegation is handled ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS @10.53.0.7 d.example > dig.out.$n
+grep "status: NOERROR" dig.out.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking CNAME chains in various orders ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n - step 1 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "cname,cname,cname|1,2,3,4,s1,s2,s3,s4" | sendcmd
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.1.$n 2>&1
+grep 'status: NOERROR' dig.out.1.$n > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 2' dig.out.1.$n > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.7 null --- start test$n - step 2 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "cname,cname,cname|1,1,2,2,3,4,s4,s3,s1" | sendcmd
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.2.$n 2>&1
+grep 'status: NOERROR' dig.out.2.$n > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 2' dig.out.2.$n > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.7 null --- start test$n - step 3 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "cname,cname,cname|2,1,3,4,s3,s1,s2,s4" | sendcmd
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.3.$n 2>&1
+grep 'status: NOERROR' dig.out.3.$n > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 2' dig.out.3.$n > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.7 null --- start test$n - step 4 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "cname,cname,cname|4,3,2,1,s4,s3,s2,s1" | sendcmd
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.4.$n 2>&1
+grep 'status: NOERROR' dig.out.4.$n > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 2' dig.out.4.$n > /dev/null 2>&1 || ret=1
+echo "cname,cname,cname|4,3,2,1,s4,s3,s2,s1" | sendcmd
+$RNDCCMD 10.53.0.7 null --- start test$n - step 5 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.5.$n 2>&1
+grep 'status: NOERROR' dig.out.5.$n > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 2' dig.out.5.$n > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.7 null --- start test$n - step 6 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "cname,cname,cname|4,3,3,3,s1,s1,1,3,4" | sendcmd
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.6.$n 2>&1
+grep 'status: NOERROR' dig.out.6.$n > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 2' dig.out.6.$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that only the initial CNAME is cached ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "cname,cname,cname|1,2,3,4,s1,s2,s3,s4" | sendcmd
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.1.$n 2>&1
+sleep 1
+$DIG $DIGOPTS +noall +answer @10.53.0.7 cname1.domain.nil > dig.out.2.$n 2>&1
+ttl=$(awk '{print $2}' dig.out.2.$n)
+[ "$ttl" -eq 86400 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DNAME chains in various orders ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n - step 1 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "dname,dname|5,4,3,2,1,s5,s4,s3,s2,s1" | sendcmd
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.1.$n 2>&1
+grep 'status: NOERROR' dig.out.1.$n > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 3' dig.out.1.$n > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.7 null --- start test$n - step 2 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "dname,dname|5,4,3,2,1,s5,s4,s3,s2,s1" | sendcmd
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.2.$n 2>&1
+grep 'status: NOERROR' dig.out.2.$n > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 3' dig.out.2.$n > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.7 null --- start test$n - step 3 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "dname,dname|2,3,s1,s2,s3,s4,1" | sendcmd
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.3.$n 2>&1
+grep 'status: NOERROR' dig.out.3.$n > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 3' dig.out.3.$n > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking external CNAME/DNAME chains in various orders ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n - step 1 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "xname,dname|1,2,3,4,s1,s2,s3,s4" | sendcmd
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.1.$n 2>&1
+grep 'status: NOERROR' dig.out.1.$n > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 2' dig.out.1.$n > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.7 null --- start test$n - step 2 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "xname,dname|s2,2,s1,1,4,s4,3" | sendcmd
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.2.$n 2>&1
+grep 'status: NOERROR' dig.out.2.$n > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 2' dig.out.2.$n > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.7 null --- start test$n - step 3 --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+echo "xname,dname|s2,2,2,2" | sendcmd
+$DIG $DIGOPTS @10.53.0.7 test.domain.nil > dig.out.3.$n 2>&1
+grep 'status: SERVFAIL' dig.out.3.$n > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking explicit DNAME query ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS @10.53.0.7 dname short-dname.example > dig.out.7.$n 2>&1
+grep 'status: NOERROR' dig.out.7.$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DNAME via ANY query ($n)"
+ret=0
+$RNDCCMD 10.53.0.7 null --- start test$n --- 2>&1 | sed 's/^/ns7 /' | cat_i
+$RNDCCMD 10.53.0.7 flush 2>&1 | sed 's/^/ns7 /' | cat_i
+$DIG $DIGOPTS @10.53.0.7 any short-dname.example > dig.out.7.$n 2>&1
+grep 'status: NOERROR' dig.out.7.$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Regression test for CVE-2021-25215 (authoritative server).
+n=$((n + 1))
+echo_i "checking DNAME resolution via itself (authoritative) ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 DNAME self.domain0.self.domain0.nil. > dig.out.2.$n 2>&1
+grep 'status: NOERROR' dig.out.2.$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Regression test for CVE-2021-25215 (recursive resolver).
+n=$((n + 1))
+echo_i "checking DNAME resolution via itself (recursive) ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.7 DNAME self.example.self.example.dname. > dig.out.7.$n 2>&1
+grep 'status: NOERROR' dig.out.7.$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/chain/tests_sh_chain.py b/bin/tests/system/chain/tests_sh_chain.py
new file mode 100644
index 0000000..ca3c057
--- /dev/null
+++ b/bin/tests/system/chain/tests_sh_chain.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_chain(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/checkconf/altdb.conf b/bin/tests/system/checkconf/altdb.conf
new file mode 100644
index 0000000..1d8aded
--- /dev/null
+++ b/bin/tests/system/checkconf/altdb.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view override_bind chaos {
+	zone "version.bind" chaos {
+		type primary;
+		database "_builtin version";
+	};
+};
diff --git a/bin/tests/system/checkconf/altdlz.conf b/bin/tests/system/checkconf/altdlz.conf
new file mode 100644
index 0000000..db8eecc
--- /dev/null
+++ b/bin/tests/system/checkconf/altdlz.conf
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dlz external {
+	database "dlopen driver.so";
+	search no;
+};
+
+zone "example.com" {
+	type primary;
+	dlz external;
+};
+
+zone "." {
+	type redirect;
+	dlz external;
+};
diff --git a/bin/tests/system/checkconf/ancient.conf b/bin/tests/system/checkconf/ancient.conf
new file mode 100644
index 0000000..98189cc
--- /dev/null
+++ b/bin/tests/system/checkconf/ancient.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Ancient options are fatal.
+ */
+options {
+	fake-iquery yes;
+};
diff --git a/bin/tests/system/checkconf/bad-acl.conf b/bin/tests/system/checkconf/bad-acl.conf
new file mode 100644
index 0000000..5095059
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-acl.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl a {
+	{ "none"; };
+	{ !19.0.0.0/7; };
+};
+
+options {
+	allow-query { a; };
+};
diff --git a/bin/tests/system/checkconf/bad-also-notify.conf b/bin/tests/system/checkconf/bad-also-notify.conf
new file mode 100644
index 0000000..2ab8896
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-also-notify.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Missing primary in also-notify clause.
+ */
+
+zone dummy {
+	type primary;
+	file "xxxx";
+	also-notify { xxxx; };
+};
diff --git a/bin/tests/system/checkconf/bad-catz-zone-dup.conf b/bin/tests/system/checkconf/bad-catz-zone-dup.conf
new file mode 100644
index 0000000..08fae42
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-catz-zone-dup.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	catalog-zones { zone example.com; zone example.com; };
+};
+
+zone example.com {
+	type primary;
+	file "example.com";
+};
diff --git a/bin/tests/system/checkconf/bad-catz-zone-primary-dup.conf b/bin/tests/system/checkconf/bad-catz-zone-primary-dup.conf
new file mode 100644
index 0000000..55a2d78
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-catz-zone-primary-dup.conf
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	catalog-zones {
+		zone "catalog.example"
+			default-masters { 10.53.0.1; }
+			default-primaries { 10.53.0.1 port 5304; }
+			in-memory yes;
+	};
+};
+
+zone "catalog.example" {
+    type secondary;
+    file "catalog.example.db";
+    primaries { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-catz-zone.conf b/bin/tests/system/checkconf/bad-catz-zone.conf
new file mode 100644
index 0000000..6f0677a
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-catz-zone.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	catalog-zones {
+		zone "nonexistent";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-checknames-primary-dup-2.conf b/bin/tests/system/checkconf/bad-checknames-primary-dup-2.conf
new file mode 100644
index 0000000..24e6ef9
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-checknames-primary-dup-2.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	check-names primary warn;
+	check-names primary fail;
+};
diff --git a/bin/tests/system/checkconf/bad-checknames-primary-dup.conf b/bin/tests/system/checkconf/bad-checknames-primary-dup.conf
new file mode 100644
index 0000000..e746e84
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-checknames-primary-dup.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	check-names master warn;
+	check-names primary fail;
+};
diff --git a/bin/tests/system/checkconf/bad-checknames-secondary-dup.conf b/bin/tests/system/checkconf/bad-checknames-secondary-dup.conf
new file mode 100644
index 0000000..ea83d7e
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-checknames-secondary-dup.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	check-names slave ignore;
+	check-names secondary warn;
+};
diff --git a/bin/tests/system/checkconf/bad-dnskey-validity.conf b/bin/tests/system/checkconf/bad-dnskey-validity.conf
new file mode 100644
index 0000000..8c28ac5
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dnskey-validity.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnskey-sig-validity 5000;	/* maximum value 10 years, this is 14 */
+};
diff --git a/bin/tests/system/checkconf/bad-dnssec.conf b/bin/tests/system/checkconf/bad-dnssec.conf
new file mode 100644
index 0000000..3dbd0f3
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dnssec.conf
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone not-inline {
+	type secondary;
+	primaries { 127.0.0.1; };
+	inline-signing no;
+	dnssec-dnskey-kskonly yes;
+	update-check-ksk yes;
+	dnssec-loadkeys-interval 10;
+
+};
+
+zone inline {
+	type secondary;
+	primaries { 127.0.0.1; };
+	inline-signing yes;
+	dnssec-dnskey-kskonly yes;
+	update-check-ksk yes;
+	dnssec-loadkeys-interval 10;
+};
diff --git a/bin/tests/system/checkconf/bad-doh-1.conf b/bin/tests/system/checkconf/bad-doh-1.conf
new file mode 100644
index 0000000..a10a236
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-doh-1.conf
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	key-file "key.pem";
+	cert-file "cert.pem";
+};
+
+http local-http-server {
+	endpoints { "/dns-query"; };
+};
+
+# undefined 'tls' specification
+options {
+	listen-on port 8080 http local-http-server tls unknown { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-doh-2.conf b/bin/tests/system/checkconf/bad-doh-2.conf
new file mode 100644
index 0000000..c797eee
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-doh-2.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	key-file "key.pem";
+	cert-file "cert.pem";
+};
+
+# undefined 'http' specification
+options {
+	listen-on port 8080 http unknown tls local-tls { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-doh-3.conf b/bin/tests/system/checkconf/bad-doh-3.conf
new file mode 100644
index 0000000..7447a01
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-doh-3.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+http local-http-server {
+	endpoints { "/dns-query"; };
+};
+
+# no 'tls' specification
+options {
+	listen-on port 8080 http unknown { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-doh-badpath-1.conf b/bin/tests/system/checkconf/bad-doh-badpath-1.conf
new file mode 100644
index 0000000..9a0f449
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-doh-badpath-1.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# bad HTTP location
+http local-http-server {
+	endpoints { "dns-query"; };
+};
+
+options {
+	listen-on port 8080 tls none http local-http-server { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-doh-badpath-2.conf b/bin/tests/system/checkconf/bad-doh-badpath-2.conf
new file mode 100644
index 0000000..e8013ee
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-doh-badpath-2.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# bad HTTP location
+http local-http-server {
+	endpoints { "//"; };
+};
+
+options {
+	listen-on port 8080 tls none http local-http-server { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-doh-badpath-3.conf b/bin/tests/system/checkconf/bad-doh-badpath-3.conf
new file mode 100644
index 0000000..fc5464c
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-doh-badpath-3.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# bad HTTP location
+http local-http-server {
+	endpoints { "/dns-query?dns="; };
+};
+
+options {
+	listen-on port 8080 tls none http local-http-server { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-doh-default.conf b/bin/tests/system/checkconf/bad-doh-default.conf
new file mode 100644
index 0000000..dce7fe6
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-doh-default.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# 'default' is a built-in configuration intended to be used in
+# 'listen-on' statements
+http default {
+	endpoints { "/dns-query"; };
+	listener-clients 100;
+	streams-per-connection 100;
+};
diff --git a/bin/tests/system/checkconf/bad-doh-duplicates.conf b/bin/tests/system/checkconf/bad-doh-duplicates.conf
new file mode 100644
index 0000000..a598d07
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-doh-duplicates.conf
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	key-file "key.pem";
+	cert-file "cert.pem";
+};
+
+http local-http-server {
+	endpoints { "/dns-query"; };
+	listener-clients 100;
+	streams-per-connection 100;
+};
+
+# duplicated HTTP configuration
+http local-http-server {
+	endpoints { "/dns-query"; };
+	listener-clients 100;
+	streams-per-connection 100;
+};
+
+options {
+	listen-on { 10.53.0.1; };
+	http-port 80;
+	https-port 443;
+	http-listener-clients 100;
+	http-streams-per-connection 100;
+	listen-on port 443 tls local-tls http local-http-server { 10.53.0.1; };
+	listen-on port 8080 tls none http local-http-server { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-1.conf b/bin/tests/system/checkconf/bad-dot-1.conf
new file mode 100644
index 0000000..436a269
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-1.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# undefined 'tls' specification
+options {
+	listen-on port 853 tls local-tls { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-port.conf b/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-port.conf
new file mode 100644
index 0000000..7d807fd
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-port.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example1" {
+	type primary;
+	file "example1.db";
+	allow-transfer port 99999 { any; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-1.conf b/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-1.conf
new file mode 100644
index 0000000..cba5557
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-1.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example1" {
+	type primary;
+	file "example1.db";
+	allow-transfer port 44344 transport blah { any; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-2.conf b/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-2.conf
new file mode 100644
index 0000000..e772592
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-2.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example1" {
+	type primary;
+	file "example1.db";
+	allow-transfer port 44344 transport udp { any; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-3.conf b/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-3.conf
new file mode 100644
index 0000000..22956d2
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-3.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example1" {
+	type primary;
+	file "example1.db";
+	allow-transfer port 44344 transport http { any; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-4.conf b/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-4.conf
new file mode 100644
index 0000000..dfc7794
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-allow-transfer-bad-proto-4.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example1" {
+	type primary;
+	file "example1.db";
+	allow-transfer port 44344 transport http-plain { any; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-badciphers.conf b/bin/tests/system/checkconf/bad-dot-badciphers.conf
new file mode 100644
index 0000000..42a9f64
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-badciphers.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	key-file "key.pem";
+	cert-file "cert.pem";
+	ciphers "$bad:ciphers";
+};
+
+options {
+	listen-on port 853 tls local-tls { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-badprotocol.conf b/bin/tests/system/checkconf/bad-dot-badprotocol.conf
new file mode 100644
index 0000000..f1cc15a
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-badprotocol.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	key-file "key.pem";
+	cert-file "cert.pem";
+	protocols { unknown; TLSv1.2; }; # bad TLS protocol version name
+};
+
+options {
+	listen-on port 853 tls local-tls { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-duplicatetls.conf b/bin/tests/system/checkconf/bad-dot-duplicatetls.conf
new file mode 100644
index 0000000..508290f
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-duplicatetls.conf
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	key-file "key.pem";
+	cert-file "cert.pem";
+};
+
+tls local-tls {
+	key-file "key.pem";
+	cert-file "cert.pem";
+};
+
+options {
+	listen-on port 853 tls local-tls { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-ephemeral.conf b/bin/tests/system/checkconf/bad-dot-ephemeral.conf
new file mode 100644
index 0000000..c9581f2
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-ephemeral.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# ephemeral is reserved for internal use
+tls ephemeral {
+	key-file "key.pem";
+	cert-file "cert.pem";
+};
+
+options {
+	listen-on port 853 tls ephemeral { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-nocert.conf b/bin/tests/system/checkconf/bad-dot-nocert.conf
new file mode 100644
index 0000000..db02e9f
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-nocert.conf
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	key-file "key.pem";
+};
+
+http local-http-server {
+	endpoints { "/dns-query"; };
+	listener-clients 100;
+	streams-per-connection 100;
+};
+
+options {
+	listen-on { 10.53.0.1; };
+	http-port 80;
+	https-port 443;
+	http-listener-clients 100;
+	http-streams-per-connection 100;
+	listen-on port 443 tls local-tls http local-http-server { 10.53.0.1; };
+	listen-on port 8080 tls none http local-http-server { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-nokey.conf b/bin/tests/system/checkconf/bad-dot-nokey.conf
new file mode 100644
index 0000000..1d5c3c5
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-nokey.conf
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	cert-file "cert.pem";
+};
+
+http local-http-server {
+	endpoints { "/dns-query"; };
+	listener-clients 100;
+	streams-per-connection 100;
+};
+
+options {
+	listen-on { 10.53.0.1; };
+	http-port 80;
+	https-port 443;
+	http-listener-clients 100;
+	http-streams-per-connection 100;
+	listen-on port 443 tls local-tls http local-http-server { 10.53.0.1; };
+	listen-on port 8080 tls none http local-http-server { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-none.conf b/bin/tests/system/checkconf/bad-dot-none.conf
new file mode 100644
index 0000000..fa26ab1
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-none.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# none is reserved for internal use
+tls none {
+	key-file "key.pem";
+	cert-file "cert.pem";
+};
+
+options {
+	listen-on port 853 tls none { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-dot-primaries.conf b/bin/tests/system/checkconf/bad-dot-primaries.conf
new file mode 100644
index 0000000..8958cbe
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-dot-primaries.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.1 tls undefined; };
+	file "example.db";
+	allow-transfer { any; };
+};
diff --git a/bin/tests/system/checkconf/bad-duplicate-key.conf b/bin/tests/system/checkconf/bad-duplicate-key.conf
new file mode 100644
index 0000000..17f2237
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-duplicate-key.conf
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnssec-validation yes;
+};
+
+trust-anchors {
+	example. initial-key 257 3 8 "AwEAAawvFp8GlBx8Qt6yaIqXkDe+nMkSk2HkTAG7qlVBo++AQwZ1j3Xl
+		25IN4jsw0VTMbKUbafw9DYsVzztIwx1sNkKRLo6qP9SSkBL8RicQaafG
+		tURtsYI3oqte5qqLve1CUpRD8J06Pg1xkOxsDlz9sQAyiQrOyvMbykJY
+		kYrFYGLzYAgl/JtMyVVYlBl9pqxQuAPKYPOuO1axaad/wLN3+wTy/hcJ
+		fpvJpqzXlDF9bI5RmpoX/7geZ06vpcYJEoT0xkkmPlEl0ZjEDrm/WIaS
+		WG0/CEDpHcOXFz4OEczMVpY+lnuFfKybwF1WHFn2BwVEOS6cMM6ukIjI
+		NQyrszHhWUU=";
+};
+
+trust-anchors {
+	example. static-key 257 3 8 "AwEAAZtP9+RAA+W33A97e+HnnH8WTXzCWiEICyWj1B6rvZ9hd50ysbod
+		y0NLx7b3vZ1bzMLxLSRAr/n3Wi0TDZ1fvCKZhennfW8Wlc7ulCvHntSQ
+		YfKHUP0YWEo84sQAqIi850N1aiddj6CidwFo9JNW/HQ+8yarfrnGMFhX
+		2STtkE0hNJ/R6JYKmD2EH7k1nyqJd08ibrEt55DuV4BiUjyyERdVbsuw
+		E60jVqAwCKyVBYXb2sI+zv1yPNDBIANd6KTgnq6YWzx5ZodQP3W4K7Z/
+		Bk3EKmVCvrTKZK/ADLAKaL0/6DD07+1jXA4BiNyoZTLTapkudkGad+Rn
+		6zqCkwuMmrU=";
+};
diff --git a/bin/tests/system/checkconf/bad-duplicate-primaries-1.conf b/bin/tests/system/checkconf/bad-duplicate-primaries-1.conf
new file mode 100644
index 0000000..3bbabde
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-duplicate-primaries-1.conf
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+primaries duplicate { 1.2.3.4; };
+primaries duplicate { 4.3.2.1; };
diff --git a/bin/tests/system/checkconf/bad-duplicate-primaries-2.conf b/bin/tests/system/checkconf/bad-duplicate-primaries-2.conf
new file mode 100644
index 0000000..1d1c6f0
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-duplicate-primaries-2.conf
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+masters duplicate { 1.2.3.4; };
+primaries duplicate { 4.3.2.1; };
diff --git a/bin/tests/system/checkconf/bad-duplicate-root-key.conf b/bin/tests/system/checkconf/bad-duplicate-root-key.conf
new file mode 100644
index 0000000..1cbc7d4
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-duplicate-root-key.conf
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnssec-validation yes;
+};
+
+trust-anchors {
+	. initial-key 257 3 8 "AwEAAawvFp8GlBx8Qt6yaIqXkDe+nMkSk2HkTAG7qlVBo++AQwZ1j3Xl
+		25IN4jsw0VTMbKUbafw9DYsVzztIwx1sNkKRLo6qP9SSkBL8RicQaafG
+		tURtsYI3oqte5qqLve1CUpRD8J06Pg1xkOxsDlz9sQAyiQrOyvMbykJY
+		kYrFYGLzYAgl/JtMyVVYlBl9pqxQuAPKYPOuO1axaad/wLN3+wTy/hcJ
+		fpvJpqzXlDF9bI5RmpoX/7geZ06vpcYJEoT0xkkmPlEl0ZjEDrm/WIaS
+		WG0/CEDpHcOXFz4OEczMVpY+lnuFfKybwF1WHFn2BwVEOS6cMM6ukIjI
+		NQyrszHhWUU=";
+};
+
+trusted-keys {
+	. 257 3 8 "AwEAAZtP9+RAA+W33A97e+HnnH8WTXzCWiEICyWj1B6rvZ9hd50ysbod
+		y0NLx7b3vZ1bzMLxLSRAr/n3Wi0TDZ1fvCKZhennfW8Wlc7ulCvHntSQ
+		YfKHUP0YWEo84sQAqIi850N1aiddj6CidwFo9JNW/HQ+8yarfrnGMFhX
+		2STtkE0hNJ/R6JYKmD2EH7k1nyqJd08ibrEt55DuV4BiUjyyERdVbsuw
+		E60jVqAwCKyVBYXb2sI+zv1yPNDBIANd6KTgnq6YWzx5ZodQP3W4K7Z/
+		Bk3EKmVCvrTKZK/ADLAKaL0/6DD07+1jXA4BiNyoZTLTapkudkGad+Rn
+		6zqCkwuMmrU=";
+};
diff --git a/bin/tests/system/checkconf/bad-duration.conf b/bin/tests/system/checkconf/bad-duration.conf
new file mode 100644
index 0000000..1fbecc7
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-duration.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "test" {
+	dnskey-ttl xPT1H;
+};
diff --git a/bin/tests/system/checkconf/bad-glue-cache-bogus.conf b/bin/tests/system/checkconf/bad-glue-cache-bogus.conf
new file mode 100644
index 0000000..c264b26
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-glue-cache-bogus.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	glue-cache bogusvalue;
+};
diff --git a/bin/tests/system/checkconf/bad-hint.conf b/bin/tests/system/checkconf/bad-hint.conf
new file mode 100644
index 0000000..7214a00
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-hint.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type hint;
+	masterfile-format raw;
+	file "hint";
+};
diff --git a/bin/tests/system/checkconf/bad-in-view-dup.conf b/bin/tests/system/checkconf/bad-in-view-dup.conf
new file mode 100644
index 0000000..1d8bd17
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-in-view-dup.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view a {
+	zone x { type primary; file "x"; };
+};
+
+view b {
+	zone x { type primary; file "x"; };
+	zone x { in-view a; };
+};
diff --git a/bin/tests/system/checkconf/bad-inline-options.conf b/bin/tests/system/checkconf/bad-inline-options.conf
new file mode 100644
index 0000000..f7c62dd
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-inline-options.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * inline-signing not allowed at options level.
+ */
+options {
+	inline-signing yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/checkconf/bad-inline-secondary.conf b/bin/tests/system/checkconf/bad-inline-secondary.conf
new file mode 100644
index 0000000..3646216
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-inline-secondary.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+ /*
+  * An inline-signing secondary should be forced to have a file option
+  */
+
+  zone "." {
+	  type secondary;
+	  inline-signing yes;
+	  primaries { 10.53.0.1; };
+  };
diff --git a/bin/tests/system/checkconf/bad-inline-view.conf b/bin/tests/system/checkconf/bad-inline-view.conf
new file mode 100644
index 0000000..e46bd0b
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-inline-view.conf
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * inline-signing not allowed at view level.
+ */
+view "a" {
+	inline-signing yes;
+
+	zone "." {
+		type primary;
+		file "root.db.signed";
+	};
+};
+
+view "b" {
+	zone "." {
+		type primary;
+		file "root.db";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-interface-interval.conf b/bin/tests/system/checkconf/bad-interface-interval.conf
new file mode 100644
index 0000000..ba8341a
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-interface-interval.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	interface-interval 1x;
+};
diff --git a/bin/tests/system/checkconf/bad-ipv4-prefix-dotted1.conf b/bin/tests/system/checkconf/bad-ipv4-prefix-dotted1.conf
new file mode 100644
index 0000000..d7604eb
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-ipv4-prefix-dotted1.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl myacl {
+	127.1; /* Incomplete dotted IPv4 address / prefix */
+};
diff --git a/bin/tests/system/checkconf/bad-ipv4-prefix-dotted2.conf b/bin/tests/system/checkconf/bad-ipv4-prefix-dotted2.conf
new file mode 100644
index 0000000..cb53741
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-ipv4-prefix-dotted2.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl myacl {
+	127.1/8; /* No-zero bits */
+};
diff --git a/bin/tests/system/checkconf/bad-ipv4-prefix2.conf b/bin/tests/system/checkconf/bad-ipv4-prefix2.conf
new file mode 100644
index 0000000..98e724a
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-ipv4-prefix2.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl myacl {
+	127; /* Non-dotted quad IPv4 address (0.0.0.127) / prefix without length. */
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-define-default.conf b/bin/tests/system/checkconf/bad-kasp-define-default.conf
new file mode 100644
index 0000000..73c90ef
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-define-default.conf
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// 'default' is a built-in policy, redefinition not allowed.
+dnssec-policy "default" {
+	signatures-refresh P5D;
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "default";
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-define-insecure.conf b/bin/tests/system/checkconf/bad-kasp-define-insecure.conf
new file mode 100644
index 0000000..b2d22d3
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-define-insecure.conf
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// 'insecure' is a built-in policy, redefinition not allowed.
+dnssec-policy "insecure" {
+	signatures-refresh P5D;
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "insecure";
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-define-none.conf b/bin/tests/system/checkconf/bad-kasp-define-none.conf
new file mode 100644
index 0000000..cea9988
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-define-none.conf
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// 'none' is a built-in policy, redefinition not allowed.
+dnssec-policy "none" {
+	signatures-refresh P5D;
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "none";
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-duplicate.conf b/bin/tests/system/checkconf/bad-kasp-duplicate.conf
new file mode 100644
index 0000000..7f3ade6
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-duplicate.conf
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy a { };
+dnssec-policy a { };
diff --git a/bin/tests/system/checkconf/bad-kasp-key1.conf b/bin/tests/system/checkconf/bad-kasp-key1.conf
new file mode 100644
index 0000000..0bf80de
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-key1.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "badalg" {
+	keys {
+		csk lifetime unlimited algorithm ceasarscipher;
+	};
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "badalg";
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-key2.conf b/bin/tests/system/checkconf/bad-kasp-key2.conf
new file mode 100644
index 0000000..8e97e2a
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-key2.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "badalg" {
+	keys {
+		csk lifetime unlimited algorithm 8 4097;
+	};
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "badalg";
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-key3.conf b/bin/tests/system/checkconf/bad-kasp-key3.conf
new file mode 100644
index 0000000..85e4e48
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-key3.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "badalg" {
+	keys {
+		csk lifetime unlimited algorithm rsasha512 1023;
+	};
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "badalg";
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-key4.conf b/bin/tests/system/checkconf/bad-kasp-key4.conf
new file mode 100644
index 0000000..ca142a3
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-key4.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "badalg" {
+	keys {
+		csk lifetime unlimited algorithm 5 511;
+	};
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "badalg";
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-keydir1.conf.in b/bin/tests/system/checkconf/bad-kasp-keydir1.conf.in
new file mode 100644
index 0000000..b0deaea
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-keydir1.conf.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * The same zone in different views is using different DNSSEC policies, so it
+ * may not have the same key-directory.
+ */
+
+
+key "keyforview1" {
+	algorithm @DEFAULT_HMAC@;
+	secret "YPfMoAk6h+3iN8MDRQC004iSNHY=";
+};
+
+key "keyforview2" {
+	algorithm @DEFAULT_HMAC@;
+	secret "4xILSZQnuO1UKubXHkYUsvBRPu8=";
+};
+
+view "example1" {
+	match-clients { key "keyforview1"; };
+
+	zone "example.net" {
+		type primary;
+		dnssec-policy "default";
+		key-directory ".";
+		file "example1.db";
+	};
+};
+
+view "example2" {
+	match-clients { key "keyforview2"; };
+
+	zone "example.net" {
+		type primary;
+		dnssec-policy "insecure";
+		key-directory ".";
+		file "example2.db";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-keydir2.conf.in b/bin/tests/system/checkconf/bad-kasp-keydir2.conf.in
new file mode 100644
index 0000000..699c193
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-keydir2.conf.in
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * No key-directory is set, so the default is used.
+ * Should fail because the same zone in different views is using different
+ * DNSSEC policies.
+ */
+
+key "keyforview1" {
+	algorithm @DEFAULT_HMAC@;
+	secret "YPfMoAk6h+3iN8MDRQC004iSNHY=";
+};
+
+key "keyforview2" {
+	algorithm @DEFAULT_HMAC@;
+	secret "4xILSZQnuO1UKubXHkYUsvBRPu8=";
+};
+
+view "example1" {
+	match-clients { key "keyforview1"; };
+
+	zone "example.net" {
+		type primary;
+		dnssec-policy "default";
+		file "example1.db";
+	};
+};
+
+view "example2" {
+	match-clients { key "keyforview2"; };
+
+	zone "example.net" {
+		type primary;
+		dnssec-policy "insecure";
+		file "example2.db";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-keydir3.conf.in b/bin/tests/system/checkconf/bad-kasp-keydir3.conf.in
new file mode 100644
index 0000000..0dbd7e2
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-keydir3.conf.in
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * The zone in view "example1" inherits the key directory value from "options",
+ * but in view "example2" sets the key directory to the same value. This should
+ * be detected as an error because the zone is using different DNSSEC policies
+ * and should thus use different key directories.
+ */
+
+key "keyforview1" {
+	algorithm @DEFAULT_HMAC@;
+	secret "YPfMoAk6h+3iN8MDRQC004iSNHY=";
+};
+
+key "keyforview2" {
+	algorithm @DEFAULT_HMAC@;
+	secret "4xILSZQnuO1UKubXHkYUsvBRPu8=";
+};
+
+options {
+	key-directory "keys";
+};
+
+view "example1" {
+	match-clients { key "keyforview1"; };
+
+	zone "example.net" {
+		type primary;
+		/* key-directory inherited from options. */
+		dnssec-policy "default";
+		file "example1.db";
+	};
+};
+
+view "example2" {
+	match-clients { key "keyforview2"; };
+
+	zone "example.net" {
+		type primary;
+		dnssec-policy "insecure";
+		key-directory "keys";
+		file "example2.db";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-keydir4.conf.in b/bin/tests/system/checkconf/bad-kasp-keydir4.conf.in
new file mode 100644
index 0000000..af4a8f9
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-keydir4.conf.in
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * The zone inherits the key-directory from the "view" level. Both views use the
+ * same key-directory, but the zone uses a different DNSSEC policy per view.
+ * This is a configuration error.
+ */
+
+key "keyforview1" {
+	algorithm @DEFAULT_HMAC@;
+	secret "YPfMoAk6h+3iN8MDRQC004iSNHY=";
+};
+
+key "keyforview2" {
+	algorithm @DEFAULT_HMAC@;
+	secret "4xILSZQnuO1UKubXHkYUsvBRPu8=";
+};
+
+view "example1" {
+	match-clients { key "keyforview1"; };
+
+	key-directory "keys";
+
+	zone "example.net" {
+		type primary;
+		dnssec-policy "default";
+		file "example1.db";
+	};
+};
+
+view "example2" {
+	match-clients { key "keyforview2"; };
+
+	key-directory "keys";
+
+	zone "example.net" {
+		type primary;
+		dnssec-policy "insecure";
+		file "example2.db";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-keydir5.conf.in b/bin/tests/system/checkconf/bad-kasp-keydir5.conf.in
new file mode 100644
index 0000000..1cca608
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-keydir5.conf.in
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * In one view, the zone inherits the key-directory from the "view" level, while
+ * in the other it is set explicitly at the "zone" level. In both cases, the
+ * same key-directory is used, but the zone uses a different DNSSEC policy per
+ * view. This is a configuration error.
+ */
+
+key "keyforview1" {
+	algorithm @DEFAULT_HMAC@;
+	secret "YPfMoAk6h+3iN8MDRQC004iSNHY=";
+};
+
+key "keyforview2" {
+	algorithm @DEFAULT_HMAC@;
+	secret "4xILSZQnuO1UKubXHkYUsvBRPu8=";
+};
+
+view "example1" {
+	match-clients { key "keyforview1"; };
+
+	key-directory "keys";
+
+	zone "example.net" {
+		type primary;
+		dnssec-policy "default";
+		file "example1.db";
+	};
+};
+
+view "example2" {
+	match-clients { key "keyforview2"; };
+
+	zone "example.net" {
+		type primary;
+		dnssec-policy "insecure";
+		key-directory "keys";
+		file "example2.db";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-nsec3-alg.conf b/bin/tests/system/checkconf/bad-kasp-nsec3-alg.conf
new file mode 100644
index 0000000..ff25ece
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-nsec3-alg.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "badnsec3alg" {
+	keys {
+		csk lifetime unlimited algorithm rsasha1;
+	};
+	nsec3param iterations 0 optout 0 salt-length 0;
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "badnsec3alg";
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-policy-undefined-inherited-view.conf b/bin/tests/system/checkconf/bad-kasp-policy-undefined-inherited-view.conf
new file mode 100644
index 0000000..12a26d3
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-policy-undefined-inherited-view.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * The dnssec-policy is not defined. Should also be caught if it is inherited.
+ */
+
+view "test" {
+	dnssec-policy "notdefined";
+
+	zone "example.net" {
+		type primary;
+		file "example.db";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-kasp-policy-undefined-inherited.conf b/bin/tests/system/checkconf/bad-kasp-policy-undefined-inherited.conf
new file mode 100644
index 0000000..48514ac
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp-policy-undefined-inherited.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * The dnssec-policy is not defined. Should also be caught if it is inherited.
+ */
+
+options {
+	dnssec-policy "notdefined";
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/checkconf/bad-kasp10.conf b/bin/tests/system/checkconf/bad-kasp10.conf
new file mode 100644
index 0000000..8253fae
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp10.conf
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// One zone with dnssec-policy 'none', one zone with dnssec-policy 'insecure',
+// both using the same zone file.
+
+zone "example1.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "none";
+};
+
+zone "example2.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "insecure";
+};
+
diff --git a/bin/tests/system/checkconf/bad-kasp11.conf b/bin/tests/system/checkconf/bad-kasp11.conf
new file mode 100644
index 0000000..68177c2
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp11.conf
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// One zone with a dnssec-policy, the other with allow-update,
+// with the same zone file.
+
+zone "example1.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "default";
+};
+
+zone "example2.net" {
+	type primary;
+	file "example.db";
+	allow-update { any; };
+};
+
diff --git a/bin/tests/system/checkconf/bad-kasp12.conf b/bin/tests/system/checkconf/bad-kasp12.conf
new file mode 100644
index 0000000..0ae8c1e
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp12.conf
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// One zone with a dnssec-policy, the other with update-policy,
+// with the same zone file.
+
+zone "example1.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "default";
+};
+
+zone "example2.net" {
+	type primary;
+	file "example.db";
+	update-policy {
+		grant * self * TXT;
+	};
+};
+
diff --git a/bin/tests/system/checkconf/bad-kasp13.conf b/bin/tests/system/checkconf/bad-kasp13.conf
new file mode 100644
index 0000000..c74a5d7
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp13.conf
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// One zone transitioning to insecure, the other with allow-update,
+// with the same zone file.
+
+zone "example1.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "insecure";
+};
+
+zone "example2.net" {
+	type primary;
+	file "example.db";
+	allow-update { any; };
+};
+
diff --git a/bin/tests/system/checkconf/bad-kasp2.conf b/bin/tests/system/checkconf/bad-kasp2.conf
new file mode 100644
index 0000000..2e88964
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp2.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "good-kasp.conf";
+
+// Bad zone configuration because this has dnssec-policy and other DNSSEC sign
+// configuration options (auto-dnssec).
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "test";
+	auto-dnssec maintain;
+	allow-update { any; };
+};
diff --git a/bin/tests/system/checkconf/bad-kasp3.conf b/bin/tests/system/checkconf/bad-kasp3.conf
new file mode 100644
index 0000000..8c6d7b4
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp3.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "good-kasp.conf";
+
+// Bad zone configuration because this has dnssec-policy with no matching
+// dnssec-policy configuration (good-kasp.conf has "test", zone refers to
+// "nosuchpolicy".
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "nosuchpolicy";
+};
+
diff --git a/bin/tests/system/checkconf/bad-kasp4.conf b/bin/tests/system/checkconf/bad-kasp4.conf
new file mode 100644
index 0000000..d35d12f
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp4.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// Bad kasp configuration because this has an invalid duration for
+// signatures-refresh.
+dnssec-policy "badduration" {
+	signatures-refresh PT20Sabcd;
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "badduration";
+};
+
diff --git a/bin/tests/system/checkconf/bad-kasp6.conf b/bin/tests/system/checkconf/bad-kasp6.conf
new file mode 100644
index 0000000..3304038
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp6.conf
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// Two zones with dnssec-policy with the same zone file.
+
+zone "example1.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "default";
+};
+
+zone "example2.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "default";
+};
+
diff --git a/bin/tests/system/checkconf/bad-kasp7.conf b/bin/tests/system/checkconf/bad-kasp7.conf
new file mode 100644
index 0000000..c5dfbe8
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp7.conf
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// Two zones with dnssec-policy 'insecure' (transitioning to insecure)
+// with the same zone file.
+
+zone "example1.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "insecure";
+};
+
+zone "example2.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "insecure";
+};
+
diff --git a/bin/tests/system/checkconf/bad-kasp8.conf b/bin/tests/system/checkconf/bad-kasp8.conf
new file mode 100644
index 0000000..1712fd0
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp8.conf
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// One zone with dnssec-policy, the other zone has 'dnssec-policy none',
+// both with the same zone file.
+
+zone "example1.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "default";
+};
+
+zone "example2.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "none";
+};
+
diff --git a/bin/tests/system/checkconf/bad-kasp9.conf b/bin/tests/system/checkconf/bad-kasp9.conf
new file mode 100644
index 0000000..3bb5448
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-kasp9.conf
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// One zone with dnssec-policy, the other zone has 'dnssec-policy insecure'
+// (transitioning to inseure), both with the same zone file.
+
+zone "example1.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "default";
+};
+
+zone "example2.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "insecure";
+};
+
diff --git a/bin/tests/system/checkconf/bad-keep-response-order.conf b/bin/tests/system/checkconf/bad-keep-response-order.conf
new file mode 100644
index 0000000..a3685d7
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-keep-response-order.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	keep-response-order {
+		does_not_exist;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-ksk-without-zsk.conf b/bin/tests/system/checkconf/bad-ksk-without-zsk.conf
new file mode 100644
index 0000000..66e1b7f
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-ksk-without-zsk.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy ksk-without-zsk {
+	keys {
+		ksk lifetime 30d algorithm 13;
+	};
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	dnssec-policy ksk-without-zsk;
+};
diff --git a/bin/tests/system/checkconf/bad-lifetime.conf b/bin/tests/system/checkconf/bad-lifetime.conf
new file mode 100644
index 0000000..f268076
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-lifetime.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	nta-lifetime 8d;
+};
diff --git a/bin/tests/system/checkconf/bad-lmdb-mapsize-bogus.conf b/bin/tests/system/checkconf/bad-lmdb-mapsize-bogus.conf
new file mode 100644
index 0000000..5655a16
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-lmdb-mapsize-bogus.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	lmdb-mapsize bogusvalue;
+};
diff --git a/bin/tests/system/checkconf/bad-lmdb-mapsize-toolarge.conf b/bin/tests/system/checkconf/bad-lmdb-mapsize-toolarge.conf
new file mode 100644
index 0000000..006ca7d
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-lmdb-mapsize-toolarge.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	lmdb-mapsize 2048G;
+};
diff --git a/bin/tests/system/checkconf/bad-lmdb-mapsize-toosmall.conf b/bin/tests/system/checkconf/bad-lmdb-mapsize-toosmall.conf
new file mode 100644
index 0000000..5dd1720
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-lmdb-mapsize-toosmall.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	lmdb-mapsize 1;
+};
diff --git a/bin/tests/system/checkconf/bad-lmdb-mapsize-unlimited.conf b/bin/tests/system/checkconf/bad-lmdb-mapsize-unlimited.conf
new file mode 100644
index 0000000..f1e7b88
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-lmdb-mapsize-unlimited.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	lmdb-mapsize unlimited;
+};
diff --git a/bin/tests/system/checkconf/bad-master-request-ixfr.conf b/bin/tests/system/checkconf/bad-master-request-ixfr.conf
new file mode 100644
index 0000000..770afb3
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-master-request-ixfr.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * request-ixfr clause is not allowed in zone of type primary.
+ */
+
+zone dummy {
+	type primary;
+	request-ixfr no;
+	file "xxxx";
+};
diff --git a/bin/tests/system/checkconf/bad-masterfile-format-map.conf b/bin/tests/system/checkconf/bad-masterfile-format-map.conf
new file mode 100644
index 0000000..634ca14
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-masterfile-format-map.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { ::1; };
+	masterfile-format map;
+};
diff --git a/bin/tests/system/checkconf/bad-maxcachettl.conf b/bin/tests/system/checkconf/bad-maxcachettl.conf
new file mode 100644
index 0000000..47f0643
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-maxcachettl.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view one {
+	max-cache-ttl 1x;
+};
diff --git a/bin/tests/system/checkconf/bad-maxncachettl-1.conf b/bin/tests/system/checkconf/bad-maxncachettl-1.conf
new file mode 100644
index 0000000..ad852c3
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-maxncachettl-1.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view one {
+	max-ncache-ttl 1x;
+};
diff --git a/bin/tests/system/checkconf/bad-maxncachettl-2.conf b/bin/tests/system/checkconf/bad-maxncachettl-2.conf
new file mode 100644
index 0000000..ada5c83
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-maxncachettl-2.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view two {
+	max-ncache-ttl 604801;
+};
diff --git a/bin/tests/system/checkconf/bad-maxncachettl-3.conf b/bin/tests/system/checkconf/bad-maxncachettl-3.conf
new file mode 100644
index 0000000..771a0f3
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-maxncachettl-3.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view three {
+	max-ncache-ttl 4000000000;
+};
+view four {
+	max-ncache-ttl -1;
+};
diff --git a/bin/tests/system/checkconf/bad-maxncachettl-4.conf b/bin/tests/system/checkconf/bad-maxncachettl-4.conf
new file mode 100644
index 0000000..d9cd939
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-maxncachettl-4.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view four {
+	max-ncache-ttl -1;
+};
diff --git a/bin/tests/system/checkconf/bad-maxratio1.conf b/bin/tests/system/checkconf/bad-maxratio1.conf
new file mode 100644
index 0000000..ade4de1
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-maxratio1.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone example {
+	type primary;
+	masterfile-format raw;
+	file "example.db";
+	max-ixfr-ratio 0.9;
+};
diff --git a/bin/tests/system/checkconf/bad-maxratio2.conf b/bin/tests/system/checkconf/bad-maxratio2.conf
new file mode 100644
index 0000000..adb63f3
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-maxratio2.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone example {
+	type primary;
+	masterfile-format raw;
+	file "example.db";
+	max-ixfr-ratio 0%;
+};
diff --git a/bin/tests/system/checkconf/bad-mincachettl.conf b/bin/tests/system/checkconf/bad-mincachettl.conf
new file mode 100644
index 0000000..cd02c66
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-mincachettl.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view one {
+	min-cache-ttl 1x;
+};
diff --git a/bin/tests/system/checkconf/bad-minncachettl.conf b/bin/tests/system/checkconf/bad-minncachettl.conf
new file mode 100644
index 0000000..1148bcc
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-minncachettl.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view one {
+	min-ncache-ttl 1x;
+};
diff --git a/bin/tests/system/checkconf/bad-mirror-allow-recursion-none.conf b/bin/tests/system/checkconf/bad-mirror-allow-recursion-none.conf
new file mode 100644
index 0000000..1f4c8fe
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-mirror-allow-recursion-none.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	recursion yes;
+	allow-recursion { none; };
+};
+
+zone "." {
+	type mirror;
+	primaries { 127.0.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-mirror-explicit-notify-yes.conf b/bin/tests/system/checkconf/bad-mirror-explicit-notify-yes.conf
new file mode 100644
index 0000000..27ad850
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-mirror-explicit-notify-yes.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type mirror;
+	notify yes;
+};
diff --git a/bin/tests/system/checkconf/bad-mirror-non-root-zone-without-masters.conf b/bin/tests/system/checkconf/bad-mirror-non-root-zone-without-masters.conf
new file mode 100644
index 0000000..c9c8b03
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-mirror-non-root-zone-without-masters.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "foo." {
+	type mirror;
+};
diff --git a/bin/tests/system/checkconf/bad-mirror-recursion-no.conf b/bin/tests/system/checkconf/bad-mirror-recursion-no.conf
new file mode 100644
index 0000000..f5536ac
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-mirror-recursion-no.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	recursion no;
+};
+
+zone "." {
+	type mirror;
+};
diff --git a/bin/tests/system/checkconf/bad-mirror-zonename.conf b/bin/tests/system/checkconf/bad-mirror-zonename.conf
new file mode 100644
index 0000000..6fc11c1
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-mirror-zonename.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "\0example" {
+        type mirror;
+        file "example.db";
+};
diff --git a/bin/tests/system/checkconf/bad-noddns.conf b/bin/tests/system/checkconf/bad-noddns.conf
new file mode 100644
index 0000000..f7859d1
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-noddns.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone example {
+	type primary;
+	file "example.db";
+	auto-dnssec maintain;
+	allow-update { none; };
+};
diff --git a/bin/tests/system/checkconf/bad-notify-source-v6.conf b/bin/tests/system/checkconf/bad-notify-source-v6.conf
new file mode 100644
index 0000000..ef53c96
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-notify-source-v6.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	notify-source-v6 fd92:7065:b8e:ffff::1 port 5300;
+};
diff --git a/bin/tests/system/checkconf/bad-notify-source.conf b/bin/tests/system/checkconf/bad-notify-source.conf
new file mode 100644
index 0000000..b950784
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-notify-source.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	notify-source 10.53.0.1 port 5300;
+};
diff --git a/bin/tests/system/checkconf/bad-options-also-notify.conf b/bin/tests/system/checkconf/bad-options-also-notify.conf
new file mode 100644
index 0000000..889a88f
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-options-also-notify.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	also-notify { missing; };
+};
+
+zone "example.net" {
+	type secondary;
+	primaries { 192.168.1.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-parental-agents-def-options.conf b/bin/tests/system/checkconf/bad-parental-agents-def-options.conf
new file mode 100644
index 0000000..2091155
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-agents-def-options.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	parental-agents { 192.168.1.2; };
+};
+
+zone "example.net" {
+	type primary;
+	file "example.net.db";
+};
diff --git a/bin/tests/system/checkconf/bad-parental-agents-def-view.conf b/bin/tests/system/checkconf/bad-parental-agents-def-view.conf
new file mode 100644
index 0000000..47c062a
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-agents-def-view.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view "test" {
+	parental-agents { 192.168.1.2; };
+	zone "example.net" {
+		type primary;
+		file "example.net.db";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-parental-agents-def-view2.conf b/bin/tests/system/checkconf/bad-parental-agents-def-view2.conf
new file mode 100644
index 0000000..aa65a4d
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-agents-def-view2.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view "test" {
+	parental-agents "net" {
+		192.168.1.2;
+	 };
+	zone "example.net" {
+		type primary;
+		file "example.net.db";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-parental-agents-def-zone.conf b/bin/tests/system/checkconf/bad-parental-agents-def-zone.conf
new file mode 100644
index 0000000..e2a8389
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-agents-def-zone.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.net" {
+	type primary;
+	file "example.net.db";
+	parental-agents "net" { 192.168.1.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-parental-agents-dup.conf b/bin/tests/system/checkconf/bad-parental-agents-dup.conf
new file mode 100644
index 0000000..cb5ac44
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-agents-dup.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.net" {
+	type primary;
+	file "example.net.db";
+	parental-agents { 192.168.1.1; };
+	parental-agents { 192.168.1.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-parental-agents-dupdef.conf b/bin/tests/system/checkconf/bad-parental-agents-dupdef.conf
new file mode 100644
index 0000000..7ca88f7
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-agents-dupdef.conf
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+parental-agents "net" {
+	192.168.1.1;
+};
+
+parental-agents "net" {
+	192.168.1.2;
+};
+
+zone "example.net" {
+	type primary;
+	file "example.net.db";
+	parental-agents { "net"; };
+};
diff --git a/bin/tests/system/checkconf/bad-parental-agents-empty.conf b/bin/tests/system/checkconf/bad-parental-agents-empty.conf
new file mode 100644
index 0000000..f61de06
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-agents-empty.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+parental-agents "net" { };
+
+zone "example.net" {
+	type primary;
+	file "example.net.db";
+	parental-agents { "net"; };
+};
diff --git a/bin/tests/system/checkconf/bad-parental-agents-empty2.conf b/bin/tests/system/checkconf/bad-parental-agents-empty2.conf
new file mode 100644
index 0000000..93b8f7b
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-agents-empty2.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.net" {
+	type primary;
+	file "example.net.db";
+	parental-agents { };
+};
diff --git a/bin/tests/system/checkconf/bad-parental-agents-mirror.conf b/bin/tests/system/checkconf/bad-parental-agents-mirror.conf
new file mode 100644
index 0000000..62926e2
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-agents-mirror.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type mirror;
+	file "root.mirror";
+	parental-agents { 192.168.1.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-parental-agents-notfound.conf b/bin/tests/system/checkconf/bad-parental-agents-notfound.conf
new file mode 100644
index 0000000..98075c4
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-agents-notfound.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+parental-agents "com" {
+	192.168.1.2;
+};
+
+zone "example.net" {
+	type primary;
+	file "example.net.db";
+	parental-agents { "net"; };
+};
diff --git a/bin/tests/system/checkconf/bad-parental-source-v6.conf b/bin/tests/system/checkconf/bad-parental-source-v6.conf
new file mode 100644
index 0000000..1b053d0
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-source-v6.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	parental-source-v6 fd92:7065:b8e:ffff::1 port 5300;
+};
diff --git a/bin/tests/system/checkconf/bad-parental-source.conf b/bin/tests/system/checkconf/bad-parental-source.conf
new file mode 100644
index 0000000..9587b3e
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-parental-source.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	parental-source 10.53.0.1 port 5300;
+};
diff --git a/bin/tests/system/checkconf/bad-port.conf b/bin/tests/system/checkconf/bad-port.conf
new file mode 100644
index 0000000..9650c8f
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-port.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 99999;
+};
diff --git a/bin/tests/system/checkconf/bad-primaries-dup.conf b/bin/tests/system/checkconf/bad-primaries-dup.conf
new file mode 100644
index 0000000..ed761c9
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-primaries-dup.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.net" {
+	type secondary;
+	primaries { 192.168.1.1; };
+	masters { 192.168.1.2; };
+};
diff --git a/bin/tests/system/checkconf/bad-primaries-key.conf b/bin/tests/system/checkconf/bad-primaries-key.conf
new file mode 100644
index 0000000..f592293
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-primaries-key.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone example {
+        type secondary;
+        primaries { 1.2.3.4 key a..b; };
+};
diff --git a/bin/tests/system/checkconf/bad-primaries-notfound.conf b/bin/tests/system/checkconf/bad-primaries-notfound.conf
new file mode 100644
index 0000000..4640098
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-primaries-notfound.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+primaries "net" {
+	 192.168.1.2;
+};
+
+zone "example.net" {
+	type secondary;
+	primaries { "foo"; };
+};
diff --git a/bin/tests/system/checkconf/bad-primaries-tls.conf b/bin/tests/system/checkconf/bad-primaries-tls.conf
new file mode 100644
index 0000000..7858d1d
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-primaries-tls.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone example {
+        type secondary;
+        primaries { 1.2.3.4 tls a..b; };
+};
diff --git a/bin/tests/system/checkconf/bad-printtime.conf b/bin/tests/system/checkconf/bad-printtime.conf
new file mode 100644
index 0000000..80a53cb
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-printtime.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+logging {
+	channel one {
+		file "one.out";
+		print-time bogus;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-acl.conf b/bin/tests/system/checkconf/bad-rate-limit-acl.conf
new file mode 100644
index 0000000..06543fb
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-acl.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		responses-per-second 10;
+		exempt-clients { localhost; localnets; unknownacl; };
+		log-only yes;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-all-per-second.conf b/bin/tests/system/checkconf/bad-rate-limit-all-per-second.conf
new file mode 100644
index 0000000..aae353e
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-all-per-second.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		all-per-second 1001; // greater than DNS_RRL_MAX_RATE
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-errors-per-second.conf b/bin/tests/system/checkconf/bad-rate-limit-errors-per-second.conf
new file mode 100644
index 0000000..b2c6097
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-errors-per-second.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		errors-per-second 1001; // greater than DNS_RRL_MAX_RATE
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-ipv4-prefix-length.conf b/bin/tests/system/checkconf/bad-rate-limit-ipv4-prefix-length.conf
new file mode 100644
index 0000000..b728575
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-ipv4-prefix-length.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		ipv4-prefix-length 33;	// greater than bits in address
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-ipv6-prefix-length.conf b/bin/tests/system/checkconf/bad-rate-limit-ipv6-prefix-length.conf
new file mode 100644
index 0000000..6b5fda5
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-ipv6-prefix-length.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		ipv6-prefix-length 65; // max 64
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-max-table-size.conf b/bin/tests/system/checkconf/bad-rate-limit-max-table-size.conf
new file mode 100644
index 0000000..95309db
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-max-table-size.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		max-table-size 30;	// less than min-table-size default of 500
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-nodata-per-second.conf b/bin/tests/system/checkconf/bad-rate-limit-nodata-per-second.conf
new file mode 100644
index 0000000..ecfb5f8
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-nodata-per-second.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		nodata-per-second 1001; // greater than DNS_RRL_MAX_RATE
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-nxdomains-per-second.conf b/bin/tests/system/checkconf/bad-rate-limit-nxdomains-per-second.conf
new file mode 100644
index 0000000..77c5749
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-nxdomains-per-second.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		nxdomains-per-second 1001; // greater than DNS_RRL_MAX_RATE
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-qps-scale.conf b/bin/tests/system/checkconf/bad-rate-limit-qps-scale.conf
new file mode 100644
index 0000000..0dc4532
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-qps-scale.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		qps-scale 0; // must be greater than zero
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-referrals-per-second.conf b/bin/tests/system/checkconf/bad-rate-limit-referrals-per-second.conf
new file mode 100644
index 0000000..0ea4836
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-referrals-per-second.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		referrals-per-second 1001; // greater than DNS_RRL_MAX_RATE
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-responses-per-second.conf b/bin/tests/system/checkconf/bad-rate-limit-responses-per-second.conf
new file mode 100644
index 0000000..8187244
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-responses-per-second.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		responses-per-second 1001; // greater than DNS_RRL_MAX_RATE
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-slip.conf b/bin/tests/system/checkconf/bad-rate-limit-slip.conf
new file mode 100644
index 0000000..15d270c
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-slip.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		slip 11; // greater than default of 10
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rate-limit-window.conf b/bin/tests/system/checkconf/bad-rate-limit-window.conf
new file mode 100644
index 0000000..7ded786
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rate-limit-window.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rate-limit {
+		window 3601; // greater than default of 3600
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-root-mixed-key.conf b/bin/tests/system/checkconf/bad-root-mixed-key.conf
new file mode 100644
index 0000000..7035066
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-root-mixed-key.conf
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	# This key (19036) is to be phased out starting in 2017. It will
+	# remain in the root zone for some time after its successor key
+	# has been added. It will remain this file until it is removed from
+	# the root zone.
+	. static-key 257 3 8 "AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0O8gcCjF
+		FVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0NfnfL2MTJRkxoX
+		bfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL496M/QZxkjf5/Efucp2gaD
+		X6RS6CXpoY68LsvPVjR0ZSwzz1apAzvN9dlzEheX7ICJBBtuA6G3LQpz
+		W5hOA2hzCTMjJPJ8LbqF6dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relS
+		Qageu+ipAdTTJ25AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulq
+		QxA+Uk1ihz0=";
+
+	# This key (20326) was published in the root zone in 2017.
+	# Servers which were already using the old key (19036) should
+	# roll seamlessly to this new one via RFC 5011 rollover. Servers
+	# being set up for the first time can use the contents of this
+	# file as initializing keys; thereafter, the keys in the
+	# managed key database will be trusted and maintained
+	# automatically.
+	. initial-key 257 3 8 "AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3
+		+/4RgWOq7HrxRixHlFlExOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kv
+		ArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgCmr3EgVLrjyBxWezF
+		0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+e
+		oZG+SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfd
+		RUfhHdY6+cn8HFRm+2hM8AnXGXws9555KrUB5qihylGa8subX2Nn6UwN
+		R1AkUTV74bU=";
+};
diff --git a/bin/tests/system/checkconf/bad-rpz-too-many-zones.conf b/bin/tests/system/checkconf/bad-rpz-too-many-zones.conf
new file mode 100644
index 0000000..0eb9ef3
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rpz-too-many-zones.conf
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	response-policy {
+		zone "max1";
+		zone "max2";
+		zone "max3";
+		zone "max4";
+		zone "max5";
+		zone "max6";
+		zone "max7";
+		zone "max8";
+		zone "max9";
+		zone "max10";
+		zone "max11";
+		zone "max12";
+		zone "max13";
+		zone "max14";
+		zone "max15";
+		zone "max16";
+		zone "max17";
+		zone "max18";
+		zone "max19";
+		zone "max20";
+		zone "max21";
+		zone "max22";
+		zone "max23";
+		zone "max24";
+		zone "max25";
+		zone "max26";
+		zone "max27";
+		zone "max28";
+		zone "max29";
+		zone "max30";
+		zone "max31";
+		zone "max32";
+		zone "max33";
+		zone "max34";
+		zone "max35";
+		zone "max36";
+		zone "max37";
+		zone "max38";
+		zone "max39";
+		zone "max40";
+		zone "max41";
+		zone "max42";
+		zone "max43";
+		zone "max44";
+		zone "max45";
+		zone "max46";
+		zone "max47";
+		zone "max48";
+		zone "max49";
+		zone "max50";
+		zone "max51";
+		zone "max52";
+		zone "max53";
+		zone "max54";
+		zone "max55";
+		zone "max56";
+		zone "max57";
+		zone "max58";
+		zone "max59";
+		zone "max60";
+		zone "max61";
+		zone "max62";
+		zone "max63";
+		zone "max64";
+		zone "max65";
+	};
+};
+
+zone "max1" { type primary; file "rpz.db"; };
+zone "max2" { type primary; file "rpz.db"; };
+zone "max3" { type primary; file "rpz.db"; };
+zone "max4" { type primary; file "rpz.db"; };
+zone "max5" { type primary; file "rpz.db"; };
+zone "max6" { type primary; file "rpz.db"; };
+zone "max7" { type primary; file "rpz.db"; };
+zone "max8" { type primary; file "rpz.db"; };
+zone "max9" { type primary; file "rpz.db"; };
+zone "max10" { type primary; file "rpz.db"; };
+zone "max11" { type primary; file "rpz.db"; };
+zone "max12" { type primary; file "rpz.db"; };
+zone "max13" { type primary; file "rpz.db"; };
+zone "max14" { type primary; file "rpz.db"; };
+zone "max15" { type primary; file "rpz.db"; };
+zone "max16" { type primary; file "rpz.db"; };
+zone "max17" { type primary; file "rpz.db"; };
+zone "max18" { type primary; file "rpz.db"; };
+zone "max19" { type primary; file "rpz.db"; };
+zone "max20" { type primary; file "rpz.db"; };
+zone "max21" { type primary; file "rpz.db"; };
+zone "max22" { type primary; file "rpz.db"; };
+zone "max23" { type primary; file "rpz.db"; };
+zone "max24" { type primary; file "rpz.db"; };
+zone "max25" { type primary; file "rpz.db"; };
+zone "max26" { type primary; file "rpz.db"; };
+zone "max27" { type primary; file "rpz.db"; };
+zone "max28" { type primary; file "rpz.db"; };
+zone "max29" { type primary; file "rpz.db"; };
+zone "max30" { type primary; file "rpz.db"; };
+zone "max31" { type primary; file "rpz.db"; };
+zone "max32" { type primary; file "rpz.db"; };
+zone "max33" { type primary; file "rpz.db"; };
+zone "max34" { type primary; file "rpz.db"; };
+zone "max35" { type primary; file "rpz.db"; };
+zone "max36" { type primary; file "rpz.db"; };
+zone "max37" { type primary; file "rpz.db"; };
+zone "max38" { type primary; file "rpz.db"; };
+zone "max39" { type primary; file "rpz.db"; };
+zone "max40" { type primary; file "rpz.db"; };
+zone "max41" { type primary; file "rpz.db"; };
+zone "max42" { type primary; file "rpz.db"; };
+zone "max43" { type primary; file "rpz.db"; };
+zone "max44" { type primary; file "rpz.db"; };
+zone "max45" { type primary; file "rpz.db"; };
+zone "max46" { type primary; file "rpz.db"; };
+zone "max47" { type primary; file "rpz.db"; };
+zone "max48" { type primary; file "rpz.db"; };
+zone "max49" { type primary; file "rpz.db"; };
+zone "max50" { type primary; file "rpz.db"; };
+zone "max51" { type primary; file "rpz.db"; };
+zone "max52" { type primary; file "rpz.db"; };
+zone "max53" { type primary; file "rpz.db"; };
+zone "max54" { type primary; file "rpz.db"; };
+zone "max55" { type primary; file "rpz.db"; };
+zone "max56" { type primary; file "rpz.db"; };
+zone "max57" { type primary; file "rpz.db"; };
+zone "max58" { type primary; file "rpz.db"; };
+zone "max59" { type primary; file "rpz.db"; };
+zone "max60" { type primary; file "rpz.db"; };
+zone "max61" { type primary; file "rpz.db"; };
+zone "max62" { type primary; file "rpz.db"; };
+zone "max63" { type primary; file "rpz.db"; };
+zone "max64" { type primary; file "rpz.db"; };
+zone "max65" { type primary; file "rpz.db"; };
diff --git a/bin/tests/system/checkconf/bad-rpz-ttl.conf b/bin/tests/system/checkconf/bad-rpz-ttl.conf
new file mode 100644
index 0000000..7b3a6ef
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rpz-ttl.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com." {
+	type primary;
+	file "example.com.zone";
+};
+
+options {
+	response-policy {
+		zone "example.com." policy given;
+	}
+		max-policy-ttl 1x;
+};
diff --git a/bin/tests/system/checkconf/bad-rpz-update.conf b/bin/tests/system/checkconf/bad-rpz-update.conf
new file mode 100644
index 0000000..a03f179
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rpz-update.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com." {
+	type primary;
+	file "example.com.zone";
+};
+
+options {
+	response-policy {
+		zone "example.com."
+			policy given
+			min-update-interval 5x;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-rpz-zone.conf b/bin/tests/system/checkconf/bad-rpz-zone.conf
new file mode 100644
index 0000000..4aadc61
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-rpz-zone.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	response-policy {
+		zone "nonexistent";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-sharedwritable1.conf b/bin/tests/system/checkconf/bad-sharedwritable1.conf
new file mode 100644
index 0000000..3fcb1af
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-sharedwritable1.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone a {
+	type primary;
+	file "shared.db";
+};
+zone b {
+	type secondary;
+	file "shared.db";
+	primaries { 1.2.3.4; };
+};
diff --git a/bin/tests/system/checkconf/bad-sharedwritable2.conf b/bin/tests/system/checkconf/bad-sharedwritable2.conf
new file mode 100644
index 0000000..e8c940c
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-sharedwritable2.conf
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone a {
+	type secondary;
+	file "shared.db";
+	primaries { 1.2.3.4; };
+};
+zone b {
+	type secondary;
+	file "shared.db";
+	primaries { 1.2.3.4; };
+};
diff --git a/bin/tests/system/checkconf/bad-sharedzone1.conf b/bin/tests/system/checkconf/bad-sharedzone1.conf
new file mode 100644
index 0000000..fccffe9
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-sharedzone1.conf
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view "first" {
+	match-clients {
+		"none";
+	};
+	zone "clone" {
+		type primary;
+		file "xxx";
+	};
+};
+view "second" {
+	match-clients {
+		"any";
+	};
+	zone "clone" {
+		in-view "first";
+		type secondary;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-sharedzone2.conf b/bin/tests/system/checkconf/bad-sharedzone2.conf
new file mode 100644
index 0000000..76032e3
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-sharedzone2.conf
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view "first" {
+	match-clients {
+		"none";
+	};
+	zone "clone" {
+		type primary;
+		file "xxx";
+	};
+};
+view "second" {
+	match-clients {
+		"any";
+	};
+	zone "clone" {
+		in-view "first";
+		forward only;
+		forwarders { 10.0.0.100; };
+		type secondary;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-sharedzone3.conf b/bin/tests/system/checkconf/bad-sharedzone3.conf
new file mode 100644
index 0000000..07e92bd
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-sharedzone3.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view first {
+	zone shared.example {
+		in-view second;
+	};
+};
+
+view second {
+	zone shared.example {
+		type primary;
+		file "shared.example.db";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-sig-validity.conf b/bin/tests/system/checkconf/bad-sig-validity.conf
new file mode 100644
index 0000000..1744eba
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-sig-validity.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+    sig-validity-interval 5000;
+};
diff --git a/bin/tests/system/checkconf/bad-static-initial-1.conf b/bin/tests/system/checkconf/bad-static-initial-1.conf
new file mode 100644
index 0000000..91a5c10
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-static-initial-1.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	example. initial-ds 60724 5 1 "D74CF845955A0DFE604AF215E948E67D2EA94FF3";
+	example. static-ds 60724 5 2 "29E79B9064EE1A11DF3BFF19581DDFED7952C22CC204ACE17B6007EB1437E9E6";
+};
diff --git a/bin/tests/system/checkconf/bad-static-initial-2.conf b/bin/tests/system/checkconf/bad-static-initial-2.conf
new file mode 100644
index 0000000..3b4754d
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-static-initial-2.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	example. initial-ds 60724 5 1 "D74CF845955A0DFE604AF215E948E67D2EA94FF3";
+        example. static-key 257 3 5 "AwEAAZtP9+RAA+W33A97e+HnnH8WTXzCWiEICyWj1B6rvZ9hd50ysbody0NLx7b3vZ1bzMLxLSRAr/n3Wi0TDZ1fvCKZhennfW8Wlc7ulCvHntSQYfKHUP0YWEo84sQAqIi850N1aiddj6CidwFo9JNW/HQ+8yarfrnGMFhX2STtkE0hNJ/R6JYKmD2EH7k1nyqJd08ibrEt55DuV4BiUjyyERdVbsuwE60jVqAwCKyVBYXb2sI+zv1yPNDBIANd6KTgnq6YWzx5ZodQP3W4K7Z/Bk3EKmVCvrTKZK/ADLAKaL0/6DD07+1jXA4BiNyoZTLTapkudkGad+Rn6zqCkwuMmrU=";
+};
diff --git a/bin/tests/system/checkconf/bad-static-initial-3.conf b/bin/tests/system/checkconf/bad-static-initial-3.conf
new file mode 100644
index 0000000..c396d9c
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-static-initial-3.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	example. static-ds 60724 5 1 "D74CF845955A0DFE604AF215E948E67D2EA94FF3";
+        example. initial-key 257 3 5 "AwEAAZtP9+RAA+W33A97e+HnnH8WTXzCWiEICyWj1B6rvZ9hd50ysbody0NLx7b3vZ1bzMLxLSRAr/n3Wi0TDZ1fvCKZhennfW8Wlc7ulCvHntSQYfKHUP0YWEo84sQAqIi850N1aiddj6CidwFo9JNW/HQ+8yarfrnGMFhX2STtkE0hNJ/R6JYKmD2EH7k1nyqJd08ibrEt55DuV4BiUjyyERdVbsuwE60jVqAwCKyVBYXb2sI+zv1yPNDBIANd6KTgnq6YWzx5ZodQP3W4K7Z/Bk3EKmVCvrTKZK/ADLAKaL0/6DD07+1jXA4BiNyoZTLTapkudkGad+Rn6zqCkwuMmrU=";
+};
diff --git a/bin/tests/system/checkconf/bad-static-initial-4.conf b/bin/tests/system/checkconf/bad-static-initial-4.conf
new file mode 100644
index 0000000..2170d52
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-static-initial-4.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+        example. initial-key 257 3 5 "AwEAAawvFp8GlBx8Qt6yaIqXkDe+nMkSk2HkTAG7qlVBo++AQwZ1j3Xl25IN4jsw0VTMbKUbafw9DYsVzztIwx1sNkKRLo6qP9SSkBL8RicQaafGtURtsYI3oqte5qqLve1CUpRD8J06Pg1xkOxsDlz9sQAyiQrOyvMbykJYkYrFYGLzYAgl/JtMyVVYlBl9pqxQuAPKYPOuO1axaad/wLN3+wTy/hcJfpvJpqzXlDF9bI5RmpoX/7geZ06vpcYJEoT0xkkmPlEl0ZjEDrm/WIaSWG0/CEDpHcOXFz4OEczMVpY+lnuFfKybwF1WHFn2BwVEOS6cMM6ukIjINQyrszHhWUU=";
+        example. static-key 257 3 5 "AwEAAZtP9+RAA+W33A97e+HnnH8WTXzCWiEICyWj1B6rvZ9hd50ysbody0NLx7b3vZ1bzMLxLSRAr/n3Wi0TDZ1fvCKZhennfW8Wlc7ulCvHntSQYfKHUP0YWEo84sQAqIi850N1aiddj6CidwFo9JNW/HQ+8yarfrnGMFhX2STtkE0hNJ/R6JYKmD2EH7k1nyqJd08ibrEt55DuV4BiUjyyERdVbsuwE60jVqAwCKyVBYXb2sI+zv1yPNDBIANd6KTgnq6YWzx5ZodQP3W4K7Z/Bk3EKmVCvrTKZK/ADLAKaL0/6DD07+1jXA4BiNyoZTLTapkudkGad+Rn6zqCkwuMmrU=";
+};
diff --git a/bin/tests/system/checkconf/bad-stub-masters-dialup.conf b/bin/tests/system/checkconf/bad-stub-masters-dialup.conf
new file mode 100644
index 0000000..a30236c
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-stub-masters-dialup.conf
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port 5300;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	heartbeat-interval 2;
+	recursion no;
+};
+zone "." {
+	type hint;
+	file "hint";
+};
+zone "example." {
+	type stub;
+	dialup notify;
+	notify no;
+	file "example.bk";
+	// primaries { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/bad-transfer-source-v6.conf b/bin/tests/system/checkconf/bad-transfer-source-v6.conf
new file mode 100644
index 0000000..da182ff
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-transfer-source-v6.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	transfer-source-v6 fd92:7065:b8e:ffff::1 port 5300;
+};
diff --git a/bin/tests/system/checkconf/bad-transfer-source.conf b/bin/tests/system/checkconf/bad-transfer-source.conf
new file mode 100644
index 0000000..315c410
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-transfer-source.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	transfer-source 10.53.0.1 port 5300;
+};
diff --git a/bin/tests/system/checkconf/bad-tsig.conf b/bin/tests/system/checkconf/bad-tsig.conf
new file mode 100644
index 0000000..4af25b0
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-tsig.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/* Bad secret */
+key "badtsig" {
+	algorithm hmac-md5;
+	secret "jEdD+BPKg==";
+};
+
diff --git a/bin/tests/system/checkconf/bad-unpaired-keys.conf b/bin/tests/system/checkconf/bad-unpaired-keys.conf
new file mode 100644
index 0000000..63b6dc2
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-unpaired-keys.conf
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy unpaired-keys {
+	keys {
+		/* zsk without ksk */
+		zsk lifetime 30d algorithm 13;
+		/* ksk without zsk */
+		ksk lifetime 30d algorithm 7;
+	};
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	dnssec-policy unpaired-keys;
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy1.conf b/bin/tests/system/checkconf/bad-update-policy1.conf
new file mode 100644
index 0000000..fa1330c
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy1.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * self TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy10.conf b/bin/tests/system/checkconf/bad-update-policy10.conf
new file mode 100644
index 0000000..39ac656
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy10.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * krb5-selfsub TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy11.conf b/bin/tests/system/checkconf/bad-update-policy11.conf
new file mode 100644
index 0000000..d148b58
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy11.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * ms-selfsub TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy12.conf b/bin/tests/system/checkconf/bad-update-policy12.conf
new file mode 100644
index 0000000..dc79db3
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy12.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * external TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy13.conf b/bin/tests/system/checkconf/bad-update-policy13.conf
new file mode 100644
index 0000000..694c73b
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy13.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant a-key-name name TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy14.conf b/bin/tests/system/checkconf/bad-update-policy14.conf
new file mode 100644
index 0000000..af02ef2
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy14.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant a-key-name subdomain TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy15.conf b/bin/tests/system/checkconf/bad-update-policy15.conf
new file mode 100644
index 0000000..f8f7d13
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy15.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant a-key-name wildcard TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy16.conf b/bin/tests/system/checkconf/bad-update-policy16.conf
new file mode 100644
index 0000000..747c381
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy16.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * tcp-self . "ptr(10 )";
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy17.conf b/bin/tests/system/checkconf/bad-update-policy17.conf
new file mode 100644
index 0000000..a2955f2
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy17.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant realm krb5-subdomain-self-rhs PTR;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy18.conf b/bin/tests/system/checkconf/bad-update-policy18.conf
new file mode 100644
index 0000000..090f621
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy18.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant realm krb5-subdomain-self-rhs SRV;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy19.conf b/bin/tests/system/checkconf/bad-update-policy19.conf
new file mode 100644
index 0000000..b8c636b
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy19.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant realm ms-subdomain-self-rhs PTR;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy2.conf b/bin/tests/system/checkconf/bad-update-policy2.conf
new file mode 100644
index 0000000..0d5adf6
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy2.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * selfsub TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy20.conf b/bin/tests/system/checkconf/bad-update-policy20.conf
new file mode 100644
index 0000000..9775e2c
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy20.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant realm ms-subdomain-self-rhs SRV;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy3.conf b/bin/tests/system/checkconf/bad-update-policy3.conf
new file mode 100644
index 0000000..4583ede
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy3.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * selfwild TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy4.conf b/bin/tests/system/checkconf/bad-update-policy4.conf
new file mode 100644
index 0000000..52a074d
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy4.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * ms-self TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy5.conf b/bin/tests/system/checkconf/bad-update-policy5.conf
new file mode 100644
index 0000000..38a6d4f
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy5.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * krb5-self TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy6.conf b/bin/tests/system/checkconf/bad-update-policy6.conf
new file mode 100644
index 0000000..acca627
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy6.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * ms-subdomain TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy7.conf b/bin/tests/system/checkconf/bad-update-policy7.conf
new file mode 100644
index 0000000..95541d4
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy7.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * krb5-subdomain TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy8.conf b/bin/tests/system/checkconf/bad-update-policy8.conf
new file mode 100644
index 0000000..d0534c4
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy8.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * tcp-self TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-update-policy9.conf b/bin/tests/system/checkconf/bad-update-policy9.conf
new file mode 100644
index 0000000..96d201c
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-update-policy9.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * 6to4-self TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-validation-auto-key.conf b/bin/tests/system/checkconf/bad-validation-auto-key.conf
new file mode 100644
index 0000000..bd6f547
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-validation-auto-key.conf
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnssec-validation auto;
+};
+
+trust-anchors {
+	. static-key 257 3 8 "AwEAAZtP9+RAA+W33A97e+HnnH8WTXzCWiEICyWj1B6rvZ9hd50ysbod
+		y0NLx7b3vZ1bzMLxLSRAr/n3Wi0TDZ1fvCKZhennfW8Wlc7ulCvHntSQ
+		YfKHUP0YWEo84sQAqIi850N1aiddj6CidwFo9JNW/HQ+8yarfrnGMFhX
+		2STtkE0hNJ/R6JYKmD2EH7k1nyqJd08ibrEt55DuV4BiUjyyERdVbsuw
+		E60jVqAwCKyVBYXb2sI+zv1yPNDBIANd6KTgnq6YWzx5ZodQP3W4K7Z/
+		Bk3EKmVCvrTKZK/ADLAKaL0/6DD07+1jXA4BiNyoZTLTapkudkGad+Rn
+		6zqCkwuMmrU=";
+};
diff --git a/bin/tests/system/checkconf/bad-view-also-notify.conf b/bin/tests/system/checkconf/bad-view-also-notify.conf
new file mode 100644
index 0000000..071a621
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-view-also-notify.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view example {
+	also-notify { missing; };
+	zone "example.net" {
+		type secondary;
+		primaries { 192.168.1.1; };
+	};
+};
diff --git a/bin/tests/system/checkconf/bad-zsk-without-ksk.conf b/bin/tests/system/checkconf/bad-zsk-without-ksk.conf
new file mode 100644
index 0000000..31b031c
--- /dev/null
+++ b/bin/tests/system/checkconf/bad-zsk-without-ksk.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy zsk-without-ksk {
+	keys {
+		zsk lifetime 30d algorithm 13;
+	};
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	dnssec-policy zsk-without-ksk;
+};
diff --git a/bin/tests/system/checkconf/check-dup-records-fail.conf b/bin/tests/system/checkconf/check-dup-records-fail.conf
new file mode 100644
index 0000000..04880b6
--- /dev/null
+++ b/bin/tests/system/checkconf/check-dup-records-fail.conf
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+  check-integrity yes; // default is yes
+};
+
+zone "check-dup-records" {
+  type primary;
+  file "check-dup-records.db";
+  check-dup-records fail;
+};
+
diff --git a/bin/tests/system/checkconf/check-dup-records.db b/bin/tests/system/checkconf/check-dup-records.db
new file mode 100644
index 0000000..558686c
--- /dev/null
+++ b/bin/tests/system/checkconf/check-dup-records.db
@@ -0,0 +1,33 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600	; 10 minutes
+@		IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			MX	10 mail
+
+mail			A	10.0.0.1
+ns2			A	10.53.0.2
+
+; following records are not de-duplicated
+; and will be matched by check-dup-records
+duplicate		HIP     ( 2 200100107B1A74DF365639CC39F1D578
+                                AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D
+                                rvs.example.com. )
+duplicate		HIP     ( 2 200100107B1A74DF365639CC39F1D578
+                                AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D
+                                RVS.example.com. )
diff --git a/bin/tests/system/checkconf/check-missing-zone.conf b/bin/tests/system/checkconf/check-missing-zone.conf
new file mode 100644
index 0000000..daf2cf7
--- /dev/null
+++ b/bin/tests/system/checkconf/check-missing-zone.conf
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view missing {
+	zone missing.example {
+		type primary;
+		file "missing.example.db";
+	};
+};
+
+view good {
+	zone shared.example {
+		type primary;
+		file "shared.example.db";
+	};
+};
diff --git a/bin/tests/system/checkconf/check-mixed-keys.conf b/bin/tests/system/checkconf/check-mixed-keys.conf
new file mode 100644
index 0000000..1dd018d
--- /dev/null
+++ b/bin/tests/system/checkconf/check-mixed-keys.conf
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	# This key (19036) is to be phased out starting in 2017. It will
+	# remain in the root zone for some time after its successor key
+	# has been added. It will remain this file until it is removed from
+	# the root zone.
+	. static-key 257 3 8 "AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0O8gcCjF
+		FVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0NfnfL2MTJRkxoX
+		bfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL496M/QZxkjf5/Efucp2gaD
+		X6RS6CXpoY68LsvPVjR0ZSwzz1apAzvN9dlzEheX7ICJBBtuA6G3LQpz
+		W5hOA2hzCTMjJPJ8LbqF6dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relS
+		Qageu+ipAdTTJ25AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulq
+		QxA+Uk1ihz0=";
+};
+
+managed-keys {
+	# This key (20326) was published in the root zone in 2017.
+	# Servers which were already using the old key (19036) should
+	# roll seamlessly to this new one via RFC 5011 rollover. Servers
+	# being set up for the first time can use the contents of this
+	# file as initializing keys; thereafter, the keys in the
+	# managed key database will be trusted and maintained
+	# automatically.
+	. initial-key 257 3 8 "AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3
+		+/4RgWOq7HrxRixHlFlExOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kv
+		ArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgCmr3EgVLrjyBxWezF
+		0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+e
+		oZG+SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfd
+		RUfhHdY6+cn8HFRm+2hM8AnXGXws9555KrUB5qihylGa8subX2Nn6UwN
+		R1AkUTV74bU=";
+};
diff --git a/bin/tests/system/checkconf/check-mx-cname-fail.conf b/bin/tests/system/checkconf/check-mx-cname-fail.conf
new file mode 100644
index 0000000..ac52ec0
--- /dev/null
+++ b/bin/tests/system/checkconf/check-mx-cname-fail.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+  check-integrity yes; // default is yes
+};
+
+zone "check-mx-cname" {
+  type primary;
+  file "check-mx-cname.db";
+  check-mx-cname fail;
+};
diff --git a/bin/tests/system/checkconf/check-mx-cname.db b/bin/tests/system/checkconf/check-mx-cname.db
new file mode 100644
index 0000000..dc30f08
--- /dev/null
+++ b/bin/tests/system/checkconf/check-mx-cname.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600	; 10 minutes
+@		IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			MX	10 mail
+
+; MX points to a CNAME which is detected by check-mx-cname
+mail			CNAME	ns2
+
+ns2			A	10.53.0.2
diff --git a/bin/tests/system/checkconf/check-mx-fail.conf b/bin/tests/system/checkconf/check-mx-fail.conf
new file mode 100644
index 0000000..aa7a666
--- /dev/null
+++ b/bin/tests/system/checkconf/check-mx-fail.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+  check-integrity yes; // default is yes
+};
+
+zone "check-mx" {
+  type primary;
+  file "check-mx.db";
+  check-mx fail;
+};
diff --git a/bin/tests/system/checkconf/check-mx.db b/bin/tests/system/checkconf/check-mx.db
new file mode 100644
index 0000000..dced644
--- /dev/null
+++ b/bin/tests/system/checkconf/check-mx.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600	; 10 minutes
+@		IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+; MX appears to be an address and will be detected by check-mx
+			MX	10 10.0.0.1
+
+ns2			A	10.53.0.2
diff --git a/bin/tests/system/checkconf/check-names-fail.conf b/bin/tests/system/checkconf/check-names-fail.conf
new file mode 100644
index 0000000..86be82d
--- /dev/null
+++ b/bin/tests/system/checkconf/check-names-fail.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+  check-integrity yes; // default is yes
+};
+
+zone "check-names" {
+  type primary;
+  file "check-names.db";
+  check-names fail;
+};
diff --git a/bin/tests/system/checkconf/check-names.db b/bin/tests/system/checkconf/check-names.db
new file mode 100644
index 0000000..0274ec9
--- /dev/null
+++ b/bin/tests/system/checkconf/check-names.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600	; 10 minutes
+@		IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			MX	10 mail
+
+mail			A	10.0.0.1
+ns2			A	10.53.0.2
+
+; the RDATA of this record contains a name that may be considered
+; invalid and will be detected by check-names configuration.
+check-names		SRV	1 2 3 _underscore
diff --git a/bin/tests/system/checkconf/check-root-ksk-2010.conf b/bin/tests/system/checkconf/check-root-ksk-2010.conf
new file mode 100644
index 0000000..d422635
--- /dev/null
+++ b/bin/tests/system/checkconf/check-root-ksk-2010.conf
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	# This key (19036) is to be phased out starting in 2017. It will
+	# remain in the root zone for some time after its successor key
+	# has been added. It will remain this file until it is removed from
+	# the root zone.
+	. initial-key 257 3 8 "AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0O8gcCjF
+		FVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0NfnfL2MTJRkxoX
+		bfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL496M/QZxkjf5/Efucp2gaD
+		X6RS6CXpoY68LsvPVjR0ZSwzz1apAzvN9dlzEheX7ICJBBtuA6G3LQpz
+		W5hOA2hzCTMjJPJ8LbqF6dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relS
+		Qageu+ipAdTTJ25AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulq
+		QxA+Uk1ihz0=";
+};
diff --git a/bin/tests/system/checkconf/check-root-ksk-2017.conf b/bin/tests/system/checkconf/check-root-ksk-2017.conf
new file mode 100644
index 0000000..72f6fb4
--- /dev/null
+++ b/bin/tests/system/checkconf/check-root-ksk-2017.conf
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	# This key (20326) was published in the root zone in 2017.
+	# Servers which were already using the old key (19036) should
+	# roll seamlessly to this new one via RFC 5011 rollover. Servers
+	# being set up for the first time can use the contents of this
+	# file as initializing keys; thereafter, the keys in the
+	# managed key database will be trusted and maintained
+	# automatically.
+	. initial-key 257 3 8 "AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3
+		+/4RgWOq7HrxRixHlFlExOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kv
+		ArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgCmr3EgVLrjyBxWezF
+		0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+e
+		oZG+SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfd
+		RUfhHdY6+cn8HFRm+2hM8AnXGXws9555KrUB5qihylGa8subX2Nn6UwN
+		R1AkUTV74bU=";
+};
diff --git a/bin/tests/system/checkconf/check-root-ksk-both.conf b/bin/tests/system/checkconf/check-root-ksk-both.conf
new file mode 100644
index 0000000..88c308f
--- /dev/null
+++ b/bin/tests/system/checkconf/check-root-ksk-both.conf
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	# This key (19036) is to be phased out starting in 2017. It will
+	# remain in the root zone for some time after its successor key
+	# has been added. It will remain this file until it is removed from
+	# the root zone.
+	. initial-key 257 3 8 "AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0O8gcCjF
+		FVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0NfnfL2MTJRkxoX
+		bfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL496M/QZxkjf5/Efucp2gaD
+		X6RS6CXpoY68LsvPVjR0ZSwzz1apAzvN9dlzEheX7ICJBBtuA6G3LQpz
+		W5hOA2hzCTMjJPJ8LbqF6dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relS
+		Qageu+ipAdTTJ25AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulq
+		QxA+Uk1ihz0=";
+
+	# This key (20326) was published in the root zone in 2017.
+	# Servers which were already using the old key (19036) should
+	# roll seamlessly to this new one via RFC 5011 rollover. Servers
+	# being set up for the first time can use the contents of this
+	# file as initializing keys; thereafter, the keys in the
+	# managed key database will be trusted and maintained
+	# automatically.
+	. initial-key 257 3 8 "AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3
+		+/4RgWOq7HrxRixHlFlExOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kv
+		ArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgCmr3EgVLrjyBxWezF
+		0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+e
+		oZG+SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfd
+		RUfhHdY6+cn8HFRm+2hM8AnXGXws9555KrUB5qihylGa8subX2Nn6UwN
+		R1AkUTV74bU=";
+};
diff --git a/bin/tests/system/checkconf/check-root-static-ds.conf b/bin/tests/system/checkconf/check-root-static-ds.conf
new file mode 100644
index 0000000..eb37b85
--- /dev/null
+++ b/bin/tests/system/checkconf/check-root-static-ds.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+        . static-ds 20326 8 2 "E06D44B80B8F1D39A95C0B0D7C65D08458E880409BBC683457104237C7F8EC8D";
+};
diff --git a/bin/tests/system/checkconf/check-root-static-key.conf b/bin/tests/system/checkconf/check-root-static-key.conf
new file mode 100644
index 0000000..7be5304
--- /dev/null
+++ b/bin/tests/system/checkconf/check-root-static-key.conf
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	# This key (20326) was published in the root zone in 2017.
+	# Servers which were already using the old key (19036) should
+	# roll seamlessly to this new one via RFC 5011 rollover. Servers
+	# being set up for the first time can use the contents of this
+	# file as initializing keys; thereafter, the keys in the
+	# managed key database will be trusted and maintained
+	# automatically.
+	. static-key 257 3 8 "AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3
+		+/4RgWOq7HrxRixHlFlExOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kv
+		ArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgCmr3EgVLrjyBxWezF
+		0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+e
+		oZG+SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfd
+		RUfhHdY6+cn8HFRm+2hM8AnXGXws9555KrUB5qihylGa8subX2Nn6UwN
+		R1AkUTV74bU=";
+};
diff --git a/bin/tests/system/checkconf/check-root-trusted-key.conf b/bin/tests/system/checkconf/check-root-trusted-key.conf
new file mode 100644
index 0000000..65261a8
--- /dev/null
+++ b/bin/tests/system/checkconf/check-root-trusted-key.conf
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trusted-keys {
+	# This key (20326) was published in the root zone in 2017.
+	# Servers which were already using the old key (19036) should
+	# roll seamlessly to this new one via RFC 5011 rollover. Servers
+	# being set up for the first time can use the contents of this
+	# file as initializing keys; thereafter, the keys in the
+	# managed key database will be trusted and maintained
+	# automatically.
+	. 257 3 8 "AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3
+		+/4RgWOq7HrxRixHlFlExOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kv
+		ArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgCmr3EgVLrjyBxWezF
+		0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+e
+		oZG+SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfd
+		RUfhHdY6+cn8HFRm+2hM8AnXGXws9555KrUB5qihylGa8subX2Nn6UwN
+		R1AkUTV74bU=";
+};
diff --git a/bin/tests/system/checkconf/check-srv-cname-fail.conf b/bin/tests/system/checkconf/check-srv-cname-fail.conf
new file mode 100644
index 0000000..3897bf8
--- /dev/null
+++ b/bin/tests/system/checkconf/check-srv-cname-fail.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+  check-integrity yes; // default is yes
+};
+
+zone "check-srv-cname" {
+  type primary;
+  file "check-srv-cname.db";
+  check-srv-cname fail;
+};
diff --git a/bin/tests/system/checkconf/check-srv-cname.db b/bin/tests/system/checkconf/check-srv-cname.db
new file mode 100644
index 0000000..0671ab1
--- /dev/null
+++ b/bin/tests/system/checkconf/check-srv-cname.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600	; 10 minutes
+@		IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			MX	10 mail
+
+mail			A	10.0.0.1
+ns2			A	10.53.0.2
+
+check-srv-cname		SRV	1 2 3 	target
+; SRV points to a CNAME which is detected by check-srv-cname configuration
+target			CNAME	mail
diff --git a/bin/tests/system/checkconf/check-wildcard-no.conf b/bin/tests/system/checkconf/check-wildcard-no.conf
new file mode 100644
index 0000000..beb641a
--- /dev/null
+++ b/bin/tests/system/checkconf/check-wildcard-no.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "check-wildcard" {
+  type primary;
+  file "check-wildcard.db";
+  check-wildcard no;
+};
diff --git a/bin/tests/system/checkconf/check-wildcard.conf b/bin/tests/system/checkconf/check-wildcard.conf
new file mode 100644
index 0000000..263f8b4
--- /dev/null
+++ b/bin/tests/system/checkconf/check-wildcard.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "check-wildcard" {
+  type primary;
+  file "check-wildcard.db";
+  check-wildcard yes;
+};
diff --git a/bin/tests/system/checkconf/check-wildcard.db b/bin/tests/system/checkconf/check-wildcard.db
new file mode 100644
index 0000000..1db5af0
--- /dev/null
+++ b/bin/tests/system/checkconf/check-wildcard.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600	; 10 minutes
+@		IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+; an interior wildcard name
+foo.*			TXT	The owner name contains an interior wildcard
diff --git a/bin/tests/system/checkconf/clean.sh b/bin/tests/system/checkconf/clean.sh
new file mode 100644
index 0000000..8981c45
--- /dev/null
+++ b/bin/tests/system/checkconf/clean.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f bad-kasp-keydir1.conf
+rm -f bad-kasp-keydir2.conf
+rm -f bad-kasp-keydir3.conf
+rm -f bad-kasp-keydir4.conf
+rm -f bad-kasp-keydir5.conf
+rm -f checkconf.out*
+rm -f diff.out*
+rm -f good-kasp.conf.in
+rm -f good-server-christmas-tree.conf
+rm -f good.conf.in good.conf.out badzero.conf *.out
+rm -rf keys
+rm -f ns*/named.lock
+rm -rf test.keydir
diff --git a/bin/tests/system/checkconf/deprecated.conf b/bin/tests/system/checkconf/deprecated.conf
new file mode 100644
index 0000000..bd6e0c2
--- /dev/null
+++ b/bin/tests/system/checkconf/deprecated.conf
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+server 1.2.3.4 {
+	query-source 10.10.10.10 port 5353;
+};
+
+options {
+	dnssec-validation yes;
+
+	dialup yes;
+	heartbeat-interval 60;
+
+	dnssec-must-be-secure mustbesecure.example yes;
+
+	use-v4-udp-ports { range 1024 65535; };
+	use-v6-udp-ports { range 1024 65535; };
+	avoid-v4-udp-ports { range 1 1023; };
+	avoid-v6-udp-ports { range 1 1023; };
+
+	tkey-dhkey "server" 12345;
+
+	root-delegation-only exclude { "them"; };
+};
+
+trusted-keys {
+	fake.trusted. 257 3 8
+		"AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0O8gcCjF
+		FVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0NfnfL2MTJRkxoX
+		bfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL496M/QZxkjf5/Efucp2gaD
+		X6RS6CXpoY68LsvPVjR0ZSwzz1apAzvN9dlzEheX7ICJBBtuA6G3LQpz
+		W5hOA2hzCTMjJPJ8LbqF6dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relS
+		Qageu+ipAdTTJ25AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulq
+		QxA+Uk1ihz0=";
+};
+
+managed-keys {
+	fake.managed. initial-key 257 3 8
+		"AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3
+		+/4RgWOq7HrxRixHlFlExOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kv
+		ArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgCmr3EgVLrjyBxWezF
+		0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+e
+		oZG+SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfd
+		RUfhHdY6+cn8HFRm+2hM8AnXGXws9555KrUB5qihylGa8subX2Nn6UwN
+		R1AkUTV74bU=";
+};
+
+zone "." {
+	type hint;
+	file "shared.example.db";
+	delegation-only yes;
+};
+
+zone com {
+	type delegation-only;
+};
diff --git a/bin/tests/system/checkconf/dlz-bad.conf b/bin/tests/system/checkconf/dlz-bad.conf
new file mode 100644
index 0000000..7332112
--- /dev/null
+++ b/bin/tests/system/checkconf/dlz-bad.conf
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dlz one {
+	database "one";
+};
+
+dlz two {
+	database "two";
+	search no;
+};
+
+zone primary {
+	type primary;
+	database "none";
+	dlz two;
+};
diff --git a/bin/tests/system/checkconf/dnssec.1 b/bin/tests/system/checkconf/dnssec.1
new file mode 100644
index 0000000..a466ac4
--- /dev/null
+++ b/bin/tests/system/checkconf/dnssec.1
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view view1 {
+	match-clients { any; };
+	dnssec-validation yes;
+};
+
+view view2 {
+	match-clients { none; };
+	dnssec-validation auto;
+};
+
+view view3 {
+	match-clients { none; };
+	auto-dnssec maintain;
+};
diff --git a/bin/tests/system/checkconf/dnssec.2 b/bin/tests/system/checkconf/dnssec.2
new file mode 100644
index 0000000..0f6a8af
--- /dev/null
+++ b/bin/tests/system/checkconf/dnssec.2
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view view1 {
+	match-clients { any; };
+};
+
+view view2 {
+	match-clients { none; };
+};
+
+view view3 {
+	match-clients { none; };
+	dnssec-validation auto;
+};
+
+view view4 {
+	match-clients { none; };
+};
+
+view view5 {
+	match-clients { none; };
+	auto-dnssec off;
+};
diff --git a/bin/tests/system/checkconf/dnssec.3 b/bin/tests/system/checkconf/dnssec.3
new file mode 100644
index 0000000..53e5d91
--- /dev/null
+++ b/bin/tests/system/checkconf/dnssec.3
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "test" {
+	type primary;
+	file "test.db";
+	auto-dnssec maintain;
+};
diff --git a/bin/tests/system/checkconf/good-acl.conf b/bin/tests/system/checkconf/good-acl.conf
new file mode 100644
index 0000000..be32923
--- /dev/null
+++ b/bin/tests/system/checkconf/good-acl.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl a {
+	{ "none"; };
+	{ !19.0.0.0/8; };
+};
+
+options {
+	allow-query { a; };
+};
diff --git a/bin/tests/system/checkconf/good-allow-update-forwarding-view.conf b/bin/tests/system/checkconf/good-allow-update-forwarding-view.conf
new file mode 100644
index 0000000..5bc9232
--- /dev/null
+++ b/bin/tests/system/checkconf/good-allow-update-forwarding-view.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view one {
+	allow-update-forwarding { any; };
+};
diff --git a/bin/tests/system/checkconf/good-allow-update-forwarding.conf b/bin/tests/system/checkconf/good-allow-update-forwarding.conf
new file mode 100644
index 0000000..d7e89be
--- /dev/null
+++ b/bin/tests/system/checkconf/good-allow-update-forwarding.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	allow-update-forwarding { any; };
+};
diff --git a/bin/tests/system/checkconf/good-allow-update-view.conf b/bin/tests/system/checkconf/good-allow-update-view.conf
new file mode 100644
index 0000000..da799a2
--- /dev/null
+++ b/bin/tests/system/checkconf/good-allow-update-view.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view one {
+	allow-update { any; };
+};
diff --git a/bin/tests/system/checkconf/good-allow-update.conf b/bin/tests/system/checkconf/good-allow-update.conf
new file mode 100644
index 0000000..6b7a67e
--- /dev/null
+++ b/bin/tests/system/checkconf/good-allow-update.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	allow-update { any; };
+};
diff --git a/bin/tests/system/checkconf/good-class.conf b/bin/tests/system/checkconf/good-class.conf
new file mode 100644
index 0000000..2f8c321
--- /dev/null
+++ b/bin/tests/system/checkconf/good-class.conf
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view "example" class00 { };
diff --git a/bin/tests/system/checkconf/good-dnskey-validity-3660.conf b/bin/tests/system/checkconf/good-dnskey-validity-3660.conf
new file mode 100644
index 0000000..4e0a7ee
--- /dev/null
+++ b/bin/tests/system/checkconf/good-dnskey-validity-3660.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnskey-sig-validity 3660;	/* maximum value 10 years */
+};
diff --git a/bin/tests/system/checkconf/good-dnskey-validity-zero.conf b/bin/tests/system/checkconf/good-dnskey-validity-zero.conf
new file mode 100644
index 0000000..5da41b8
--- /dev/null
+++ b/bin/tests/system/checkconf/good-dnskey-validity-zero.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnskey-sig-validity 0;	/* 0 is disabled */
+};
diff --git a/bin/tests/system/checkconf/good-doh-1.conf b/bin/tests/system/checkconf/good-doh-1.conf
new file mode 100644
index 0000000..0c642ec
--- /dev/null
+++ b/bin/tests/system/checkconf/good-doh-1.conf
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	key-file "key.pem";
+	cert-file "cert.pem";
+};
+
+http local-http-server {
+	endpoints { "/dns-query"; };
+	listener-clients 100;
+	streams-per-connection 100;
+};
+
+options {
+	listen-on { 10.53.0.1; };
+	http-port 80;
+	https-port 443;
+	http-listener-clients 100;
+	http-streams-per-connection 100;
+	listen-on port 443 tls local-tls http local-http-server { 10.53.0.1; };
+	listen-on port 8080 tls none http local-http-server { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/good-doh-2.conf b/bin/tests/system/checkconf/good-doh-2.conf
new file mode 100644
index 0000000..1bbe9e0
--- /dev/null
+++ b/bin/tests/system/checkconf/good-doh-2.conf
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	key-file "key.pem";
+	cert-file "cert.pem";
+};
+
+http local-http-server {
+	endpoints { "/dns-query"; };
+};
+
+options {
+	listen-on { 10.53.0.1; };
+	http-port 80;
+	https-port 443;
+	listen-on port 443 http local-http-server tls local-tls { 10.53.0.1; };
+	listen-on port 8080 tls none http local-http-server { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/good-doh-3.conf b/bin/tests/system/checkconf/good-doh-3.conf
new file mode 100644
index 0000000..cd410b9
--- /dev/null
+++ b/bin/tests/system/checkconf/good-doh-3.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	listen-on { 10.53.0.1; };
+	http-port 80;
+	https-port 443;
+	listen-on port 8080 tls none http default { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/good-doh-4.conf b/bin/tests/system/checkconf/good-doh-4.conf
new file mode 100644
index 0000000..d191347
--- /dev/null
+++ b/bin/tests/system/checkconf/good-doh-4.conf
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	key-file "key.pem";
+	cert-file "cert.pem";
+};
+
+# Use the default values only - just to make sure that we could
+# override only values which we need and there is no required ones.
+http empty-http-server {
+};
+
+options {
+	listen-on { 10.53.0.1; };
+	http-port 80;
+	https-port 443;
+	http-listener-clients 100;
+	listen-on port 443 tls local-tls http empty-http-server { 10.53.0.1; };
+	listen-on port 8080 tls none http empty-http-server { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/good-doh-tlsopts.conf b/bin/tests/system/checkconf/good-doh-tlsopts.conf
new file mode 100644
index 0000000..7ba4bdb
--- /dev/null
+++ b/bin/tests/system/checkconf/good-doh-tlsopts.conf
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	protocols { TLSv1.2; };
+	key-file "key.pem";
+	cert-file "cert.pem";
+	dhparam-file "dhparam.pem";
+	ciphers "HIGH:!aNULL:!MD5:!RC4";
+	prefer-server-ciphers yes;
+	session-tickets no;
+};
+
+http local-http-server {
+	endpoints { "/dns-query"; };
+	listener-clients 100;
+	streams-per-connection 100;
+};
+
+options {
+	listen-on { 10.53.0.1; };
+	http-port 80;
+	https-port 443;
+	http-listener-clients 100;
+	http-streams-per-connection 100;
+	listen-on port 443 tls local-tls http local-http-server { 10.53.0.1; };
+	listen-on port 8080 tls none http local-http-server { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/good-dot-1.conf b/bin/tests/system/checkconf/good-dot-1.conf
new file mode 100644
index 0000000..d94616a
--- /dev/null
+++ b/bin/tests/system/checkconf/good-dot-1.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	key-file "key.pem";
+	cert-file "cert.pem";
+};
+
+options {
+	listen-on port 853 tls local-tls { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/good-dot-allow-transfer-encrypted.conf b/bin/tests/system/checkconf/good-dot-allow-transfer-encrypted.conf
new file mode 100644
index 0000000..74c7969
--- /dev/null
+++ b/bin/tests/system/checkconf/good-dot-allow-transfer-encrypted.conf
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example1" {
+	type primary;
+	file "example1.db";
+	allow-transfer port 44344 transport tls { any; };
+};
+
+zone "example2" {
+	type primary;
+	file "example2.db";
+	allow-transfer port 44344 transport tcp { any; };
+};
+
+zone "example3" {
+	type primary;
+	file "example3.db";
+	allow-transfer transport tls { any; };
+};
+
+zone "example4" {
+	type primary;
+	file "example4.db";
+	allow-transfer transport tcp { any; };
+};
+
+
+zone "example5" {
+	type primary;
+	file "example5.db";
+	allow-transfer port 53 { any; };
+};
+
+zone "example6" {
+	type primary;
+	file "example6.db";
+	allow-transfer { any; };
+};
diff --git a/bin/tests/system/checkconf/good-dot-doh-tls-nokeycert.conf b/bin/tests/system/checkconf/good-dot-doh-tls-nokeycert.conf
new file mode 100644
index 0000000..d541d15
--- /dev/null
+++ b/bin/tests/system/checkconf/good-dot-doh-tls-nokeycert.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# In some cases a "tls" statement may omit key-file and cert-file.
+tls local-tls {
+    protocols {TLSv1.2;};
+    remote-hostname "fqdn.example.com";
+};
diff --git a/bin/tests/system/checkconf/good-dot-primaries-ephemeral.conf b/bin/tests/system/checkconf/good-dot-primaries-ephemeral.conf
new file mode 100644
index 0000000..2b33cf3
--- /dev/null
+++ b/bin/tests/system/checkconf/good-dot-primaries-ephemeral.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.1 tls ephemeral; };
+	file "example.db";
+	allow-transfer { any; };
+};
diff --git a/bin/tests/system/checkconf/good-dot-primaries.conf b/bin/tests/system/checkconf/good-dot-primaries.conf
new file mode 100644
index 0000000..592a94c
--- /dev/null
+++ b/bin/tests/system/checkconf/good-dot-primaries.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	protocols { TLSv1.2; };
+	ciphers "HIGH:!kRSA:!aNULL:!eNULL:!RC4:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!SHA1:!SHA256:!SHA384";
+	prefer-server-ciphers no;
+};
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.1 tls local-tls; };
+	file "example.db";
+	allow-transfer { any; };
+};
diff --git a/bin/tests/system/checkconf/good-dot-tlsopts.conf b/bin/tests/system/checkconf/good-dot-tlsopts.conf
new file mode 100644
index 0000000..fc7e248
--- /dev/null
+++ b/bin/tests/system/checkconf/good-dot-tlsopts.conf
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+tls local-tls {
+	protocols { TLSv1.2; };
+	key-file "key.pem";
+	cert-file "cert.pem";
+	dhparam-file "dhparam.pem";
+	ciphers "HIGH:!aNULL:!MD5:!RC4";
+	prefer-server-ciphers yes;
+	session-tickets no;
+};
+
+options {
+	listen-on port 853 tls local-tls { 10.53.0.1; };
+};
diff --git a/bin/tests/system/checkconf/good-ds-key-1.conf b/bin/tests/system/checkconf/good-ds-key-1.conf
new file mode 100644
index 0000000..de7de84
--- /dev/null
+++ b/bin/tests/system/checkconf/good-ds-key-1.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	example. initial-ds 60724 5 1 "D74CF845955A0DFE604AF215E948E67D2EA94FF3";
+        example. initial-key 257 3 5 "AwEAAZtP9+RAA+W33A97e+HnnH8WTXzCWiEICyWj1B6rvZ9hd50ysbody0NLx7b3vZ1bzMLxLSRAr/n3Wi0TDZ1fvCKZhennfW8Wlc7ulCvHntSQYfKHUP0YWEo84sQAqIi850N1aiddj6CidwFo9JNW/HQ+8yarfrnGMFhX2STtkE0hNJ/R6JYKmD2EH7k1nyqJd08ibrEt55DuV4BiUjyyERdVbsuwE60jVqAwCKyVBYXb2sI+zv1yPNDBIANd6KTgnq6YWzx5ZodQP3W4K7Z/Bk3EKmVCvrTKZK/ADLAKaL0/6DD07+1jXA4BiNyoZTLTapkudkGad+Rn6zqCkwuMmrU=";
+};
diff --git a/bin/tests/system/checkconf/good-ds-key-2.conf b/bin/tests/system/checkconf/good-ds-key-2.conf
new file mode 100644
index 0000000..060fb2f
--- /dev/null
+++ b/bin/tests/system/checkconf/good-ds-key-2.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	example. static-ds 60724 5 1 "D74CF845955A0DFE604AF215E948E67D2EA94FF3";
+        example. static-key 257 3 5 "AwEAAZtP9+RAA+W33A97e+HnnH8WTXzCWiEICyWj1B6rvZ9hd50ysbody0NLx7b3vZ1bzMLxLSRAr/n3Wi0TDZ1fvCKZhennfW8Wlc7ulCvHntSQYfKHUP0YWEo84sQAqIi850N1aiddj6CidwFo9JNW/HQ+8yarfrnGMFhX2STtkE0hNJ/R6JYKmD2EH7k1nyqJd08ibrEt55DuV4BiUjyyERdVbsuwE60jVqAwCKyVBYXb2sI+zv1yPNDBIANd6KTgnq6YWzx5ZodQP3W4K7Z/Bk3EKmVCvrTKZK/ADLAKaL0/6DD07+1jXA4BiNyoZTLTapkudkGad+Rn6zqCkwuMmrU=";
+};
diff --git a/bin/tests/system/checkconf/good-dup-managed-key.conf b/bin/tests/system/checkconf/good-dup-managed-key.conf
new file mode 100644
index 0000000..2f91247
--- /dev/null
+++ b/bin/tests/system/checkconf/good-dup-managed-key.conf
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnssec-validation yes;
+};
+
+trust-anchors {
+	example. initial-key 257 3 8 "AwEAAawvFp8GlBx8Qt6yaIqXkDe+nMkSk2HkTAG7qlVBo++AQwZ1j3Xl
+		25IN4jsw0VTMbKUbafw9DYsVzztIwx1sNkKRLo6qP9SSkBL8RicQaafG
+		tURtsYI3oqte5qqLve1CUpRD8J06Pg1xkOxsDlz9sQAyiQrOyvMbykJY
+		kYrFYGLzYAgl/JtMyVVYlBl9pqxQuAPKYPOuO1axaad/wLN3+wTy/hcJ
+		fpvJpqzXlDF9bI5RmpoX/7geZ06vpcYJEoT0xkkmPlEl0ZjEDrm/WIaS
+		WG0/CEDpHcOXFz4OEczMVpY+lnuFfKybwF1WHFn2BwVEOS6cMM6ukIjI
+		NQyrszHhWUU=";
+	example. initial-key 257 3 8 "AwEAAZtP9+RAA+W33A97e+HnnH8WTXzCWiEICyWj1B6rvZ9hd50ysbod
+		y0NLx7b3vZ1bzMLxLSRAr/n3Wi0TDZ1fvCKZhennfW8Wlc7ulCvHntSQ
+		YfKHUP0YWEo84sQAqIi850N1aiddj6CidwFo9JNW/HQ+8yarfrnGMFhX
+		2STtkE0hNJ/R6JYKmD2EH7k1nyqJd08ibrEt55DuV4BiUjyyERdVbsuw
+		E60jVqAwCKyVBYXb2sI+zv1yPNDBIANd6KTgnq6YWzx5ZodQP3W4K7Z/
+		Bk3EKmVCvrTKZK/ADLAKaL0/6DD07+1jXA4BiNyoZTLTapkudkGad+Rn
+		6zqCkwuMmrU=";
+};
diff --git a/bin/tests/system/checkconf/good-dup-trusted-key.conf b/bin/tests/system/checkconf/good-dup-trusted-key.conf
new file mode 100644
index 0000000..46089c4
--- /dev/null
+++ b/bin/tests/system/checkconf/good-dup-trusted-key.conf
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnssec-validation yes;
+};
+
+trusted-keys {
+	example. 257 3 8 "AwEAAawvFp8GlBx8Qt6yaIqXkDe+nMkSk2HkTAG7qlVBo++AQwZ1j3Xl
+		25IN4jsw0VTMbKUbafw9DYsVzztIwx1sNkKRLo6qP9SSkBL8RicQaafG
+		tURtsYI3oqte5qqLve1CUpRD8J06Pg1xkOxsDlz9sQAyiQrOyvMbykJY
+		kYrFYGLzYAgl/JtMyVVYlBl9pqxQuAPKYPOuO1axaad/wLN3+wTy/hcJ
+		fpvJpqzXlDF9bI5RmpoX/7geZ06vpcYJEoT0xkkmPlEl0ZjEDrm/WIaS
+		WG0/CEDpHcOXFz4OEczMVpY+lnuFfKybwF1WHFn2BwVEOS6cMM6ukIjI
+		NQyrszHhWUU=";
+	example. 257 3 8 "AwEAAZtP9+RAA+W33A97e+HnnH8WTXzCWiEICyWj1B6rvZ9hd50ysbod
+		y0NLx7b3vZ1bzMLxLSRAr/n3Wi0TDZ1fvCKZhennfW8Wlc7ulCvHntSQ
+		YfKHUP0YWEo84sQAqIi850N1aiddj6CidwFo9JNW/HQ+8yarfrnGMFhX
+		2STtkE0hNJ/R6JYKmD2EH7k1nyqJd08ibrEt55DuV4BiUjyyERdVbsuw
+		E60jVqAwCKyVBYXb2sI+zv1yPNDBIANd6KTgnq6YWzx5ZodQP3W4K7Z/
+		Bk3EKmVCvrTKZK/ADLAKaL0/6DD07+1jXA4BiNyoZTLTapkudkGad+Rn
+		6zqCkwuMmrU=";
+};
diff --git a/bin/tests/system/checkconf/good-glue-cache.conf b/bin/tests/system/checkconf/good-glue-cache.conf
new file mode 100644
index 0000000..fd5524b
--- /dev/null
+++ b/bin/tests/system/checkconf/good-glue-cache.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	glue-cache yes;
+};
diff --git a/bin/tests/system/checkconf/good-initial-ds.conf b/bin/tests/system/checkconf/good-initial-ds.conf
new file mode 100644
index 0000000..b54a2b3
--- /dev/null
+++ b/bin/tests/system/checkconf/good-initial-ds.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	example. initial-ds 60724 5 2 "29E79B9064EE1A11DF3BFF19581DDFED7952C22CC204ACE17B6007EB1437E9E6";
+};
diff --git a/bin/tests/system/checkconf/good-interface-interval.conf b/bin/tests/system/checkconf/good-interface-interval.conf
new file mode 100644
index 0000000..60c50b3
--- /dev/null
+++ b/bin/tests/system/checkconf/good-interface-interval.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	interface-interval 1h;
+};
diff --git a/bin/tests/system/checkconf/good-kasp.conf b/bin/tests/system/checkconf/good-kasp.conf
new file mode 100644
index 0000000..17309e5
--- /dev/null
+++ b/bin/tests/system/checkconf/good-kasp.conf
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * This is just a random selection of DNSSEC configuration options.
+ */
+
+/* cut here */
+dnssec-policy "test" {
+	dnskey-ttl 3600;
+	keys {
+		ksk key-directory lifetime P1Y algorithm ecdsa256;
+		zsk lifetime P30D algorithm 13;
+		csk key-directory lifetime unlimited algorithm rsasha256 2048;
+	};
+	max-zone-ttl 86400;
+	nsec3param iterations 5 optout no salt-length 8;
+	parent-ds-ttl 7200;
+	parent-propagation-delay PT1H;
+	publish-safety PT3600S;
+	retire-safety PT3600S;
+	signatures-refresh P3D;
+	signatures-validity P2W;
+	signatures-validity-dnskey P14D;
+	zone-propagation-delay PT5M;
+};
+options {
+	dnssec-policy "default";
+};
+zone "example1" {
+	type primary;
+	file "example1.db";
+	inline-signing yes;
+};
+zone "example2" {
+	type primary;
+	file "example2.db";
+	allow-update {
+		"any";
+	};
+	dnssec-policy "test";
+};
+zone "example3" {
+	type primary;
+	file "example3.db";
+	inline-signing yes;
+	dnssec-policy "default";
+};
+zone "dnssec-policy-none-shared-zonefile1" {
+	type primary;
+	file "shared.db";
+	dnssec-policy "none";
+};
+zone "dnssec-policy-none-shared-zonefile2" {
+	type primary;
+	file "shared.db";
+	dnssec-policy "none";
+};
diff --git a/bin/tests/system/checkconf/good-key-directory.conf b/bin/tests/system/checkconf/good-key-directory.conf
new file mode 100644
index 0000000..45befff
--- /dev/null
+++ b/bin/tests/system/checkconf/good-key-directory.conf
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "internet" {
+  keys {
+    ksk   key-directory   lifetime unlimited   algorithm ecdsa256;
+    zsk   key-directory   lifetime P90D        algorithm ecdsa256;
+  };
+
+  nsec3param iterations 15 optout no salt-length 8;
+};
+
+dnssec-policy "intranet" {
+  keys {
+    ksk   key-directory   lifetime unlimited   algorithm ecdsa256;
+    zsk   key-directory   lifetime P30D        algorithm ecdsa256;
+  };
+  nsec3param iterations 15 optout no salt-length 8;
+};
+
+dnssec-policy "localhost" {
+  keys {
+    ksk   key-directory   lifetime unlimited   algorithm ecdsa256;
+    zsk   key-directory   lifetime P30D        algorithm ecdsa256;
+  };
+  nsec3param iterations 15 optout no salt-length 8;
+};
+
+options {
+    key-directory "global/keys";
+};
+
+view "localhost" {
+    match-clients { 127.0.0.1; ::1; };
+    zone "example.com" IN {
+        type primary;
+        file "localhost/example.com.zone";
+        dnssec-policy "localhost";
+        inline-signing yes;
+    };
+};
+
+view "external" {
+    match-clients { 0/0; };
+    key-directory "external/keys";
+    zone "example.com" IN {
+        type primary;
+        file "external/example.com.zone";
+        dnssec-policy "internet";
+        inline-signing yes;
+    };
+};
+
+view "internal" {
+    match-clients { ::/0; };
+    key-directory "internal/keys";
+    zone "example.com" IN {
+        type primary;
+        file "internal/example.com.zone";
+        dnssec-policy "intranet";
+        inline-signing yes;
+    };
+};
diff --git a/bin/tests/system/checkconf/good-masterfile-format-raw.conf b/bin/tests/system/checkconf/good-masterfile-format-raw.conf
new file mode 100644
index 0000000..b6f3cbf
--- /dev/null
+++ b/bin/tests/system/checkconf/good-masterfile-format-raw.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { ::1; };
+	masterfile-format raw;
+};
diff --git a/bin/tests/system/checkconf/good-masterfile-format-text.conf b/bin/tests/system/checkconf/good-masterfile-format-text.conf
new file mode 100644
index 0000000..8138058
--- /dev/null
+++ b/bin/tests/system/checkconf/good-masterfile-format-text.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { ::1; };
+	masterfile-format text;
+};
diff --git a/bin/tests/system/checkconf/good-masters-and-primaries.conf b/bin/tests/system/checkconf/good-masters-and-primaries.conf
new file mode 100644
index 0000000..d84657f
--- /dev/null
+++ b/bin/tests/system/checkconf/good-masters-and-primaries.conf
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+masters a { 1.2.3.4; };
+primaries b { 1.2.3.4; };
diff --git a/bin/tests/system/checkconf/good-maxcachettl.conf b/bin/tests/system/checkconf/good-maxcachettl.conf
new file mode 100644
index 0000000..58f6901
--- /dev/null
+++ b/bin/tests/system/checkconf/good-maxcachettl.conf
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view one {
+	max-cache-ttl 0;
+};
+view two {
+	max-cache-ttl 86400;
+};
+view three {
+	max-cache-ttl 4000000000;
+};
+view four {
+	max-cache-ttl 3600s;
+};
+view five {
+	max-cache-ttl 1h;
+};
+view six {
+	max-cache-ttl 1d;
+};
+view seven {
+	max-cache-ttl 1w;
+};
diff --git a/bin/tests/system/checkconf/good-maxncachettl.conf b/bin/tests/system/checkconf/good-maxncachettl.conf
new file mode 100644
index 0000000..80dc753
--- /dev/null
+++ b/bin/tests/system/checkconf/good-maxncachettl.conf
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view one {
+	max-ncache-ttl 0;
+};
+view two {
+	max-ncache-ttl 86400;
+};
+view three {
+	max-ncache-ttl 604800;
+};
+view four {
+	max-ncache-ttl 3600s;
+};
+view five {
+	max-ncache-ttl 1h;
+};
+view six {
+	max-ncache-ttl 1d;
+};
+view seven {
+	max-ncache-ttl 1w;
+};
diff --git a/bin/tests/system/checkconf/good-maxratio1.conf b/bin/tests/system/checkconf/good-maxratio1.conf
new file mode 100644
index 0000000..4161a24
--- /dev/null
+++ b/bin/tests/system/checkconf/good-maxratio1.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone example {
+	type primary;
+	masterfile-format raw;
+	file "example.db";
+	max-ixfr-ratio 50%;
+};
diff --git a/bin/tests/system/checkconf/good-maxratio2.conf b/bin/tests/system/checkconf/good-maxratio2.conf
new file mode 100644
index 0000000..0ef2f3c
--- /dev/null
+++ b/bin/tests/system/checkconf/good-maxratio2.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone example {
+	type primary;
+	masterfile-format raw;
+	file "example.db";
+	max-ixfr-ratio unlimited;
+};
diff --git a/bin/tests/system/checkconf/good-mincachettl.conf b/bin/tests/system/checkconf/good-mincachettl.conf
new file mode 100644
index 0000000..b619a73
--- /dev/null
+++ b/bin/tests/system/checkconf/good-mincachettl.conf
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view one {
+	min-cache-ttl 0;
+};
+view two {
+	min-cache-ttl 30;
+};
+view three {
+	min-cache-ttl 60;
+};
+view four {
+	min-cache-ttl 90s;
+};
+view five {
+	min-cache-ttl 1m;
+};
diff --git a/bin/tests/system/checkconf/good-minncachettl.conf b/bin/tests/system/checkconf/good-minncachettl.conf
new file mode 100644
index 0000000..3e4101b
--- /dev/null
+++ b/bin/tests/system/checkconf/good-minncachettl.conf
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view one {
+	min-ncache-ttl 0;
+};
+view two {
+	min-ncache-ttl 30;
+};
+view three {
+	min-ncache-ttl 60;
+};
+view four {
+	min-ncache-ttl 90s;
+};
+view five {
+	min-ncache-ttl 1m;
+};
diff --git a/bin/tests/system/checkconf/good-mirror-inherited-notify-yes.conf b/bin/tests/system/checkconf/good-mirror-inherited-notify-yes.conf
new file mode 100644
index 0000000..09bbf94
--- /dev/null
+++ b/bin/tests/system/checkconf/good-mirror-inherited-notify-yes.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	notify yes;
+};
+
+zone "." {
+	type mirror;
+};
diff --git a/bin/tests/system/checkconf/good-mirror-root-zone-without-masters.conf b/bin/tests/system/checkconf/good-mirror-root-zone-without-masters.conf
new file mode 100644
index 0000000..9723b7a
--- /dev/null
+++ b/bin/tests/system/checkconf/good-mirror-root-zone-without-masters.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type mirror;
+};
diff --git a/bin/tests/system/checkconf/good-nested.conf b/bin/tests/system/checkconf/good-nested.conf
new file mode 100644
index 0000000..12a027c
--- /dev/null
+++ b/bin/tests/system/checkconf/good-nested.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl a { 127.0.0.1; ::1; };
+acl b { a; };
+acl c { !b; };
+
+options {
+	allow-query { c; };
+};
diff --git a/bin/tests/system/checkconf/good-notify-source-v6.conf b/bin/tests/system/checkconf/good-notify-source-v6.conf
new file mode 100644
index 0000000..797f966
--- /dev/null
+++ b/bin/tests/system/checkconf/good-notify-source-v6.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	notify-source-v6 fd92:7065:b8e:ffff::1;
+};
diff --git a/bin/tests/system/checkconf/good-notify-source.conf b/bin/tests/system/checkconf/good-notify-source.conf
new file mode 100644
index 0000000..6b97314
--- /dev/null
+++ b/bin/tests/system/checkconf/good-notify-source.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	notify-source 10.53.0.1;
+};
diff --git a/bin/tests/system/checkconf/good-options-also-notify.conf b/bin/tests/system/checkconf/good-options-also-notify.conf
new file mode 100644
index 0000000..e10403d
--- /dev/null
+++ b/bin/tests/system/checkconf/good-options-also-notify.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	also-notify { missing; };
+};
+
+zone "example.net" {
+	type secondary;
+	notify no;
+	primaries { 192.168.1.1; };
+};
diff --git a/bin/tests/system/checkconf/good-parental-source-v6.conf b/bin/tests/system/checkconf/good-parental-source-v6.conf
new file mode 100644
index 0000000..fe998f1
--- /dev/null
+++ b/bin/tests/system/checkconf/good-parental-source-v6.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	parental-source-v6 fd92:7065:b8e:ffff::1;
+};
diff --git a/bin/tests/system/checkconf/good-parental-source.conf b/bin/tests/system/checkconf/good-parental-source.conf
new file mode 100644
index 0000000..e45856a
--- /dev/null
+++ b/bin/tests/system/checkconf/good-parental-source.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	parental-source 10.53.0.1;
+};
diff --git a/bin/tests/system/checkconf/good-printtime.conf b/bin/tests/system/checkconf/good-printtime.conf
new file mode 100644
index 0000000..06bb7be
--- /dev/null
+++ b/bin/tests/system/checkconf/good-printtime.conf
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+logging {
+	channel one {
+		file "one.out";
+		print-time no;
+	};
+	channel two {
+		file "two.out";
+		print-time yes;
+	};
+	channel three {
+		file "three.out";
+		print-time local;
+	};
+	channel four {
+		file "four.out";
+		print-time iso8601;
+	};
+	channel five {
+		file "five.out";
+		print-time iso8601-utc;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-response-dot.conf b/bin/tests/system/checkconf/good-response-dot.conf
new file mode 100644
index 0000000..f21daeb
--- /dev/null
+++ b/bin/tests/system/checkconf/good-response-dot.conf
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com." {
+	type primary;
+	file "example.com.zone";
+};
+
+options {
+	response-policy {
+		zone "example.com." policy given;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-rpz-ttl.conf b/bin/tests/system/checkconf/good-rpz-ttl.conf
new file mode 100644
index 0000000..26d41bb
--- /dev/null
+++ b/bin/tests/system/checkconf/good-rpz-ttl.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com." {
+	type primary;
+	file "example.com.zone";
+};
+
+options {
+	response-policy {
+		zone "example.com." policy given;
+	}
+		max-policy-ttl 1h;
+};
diff --git a/bin/tests/system/checkconf/good-rpz-update.conf b/bin/tests/system/checkconf/good-rpz-update.conf
new file mode 100644
index 0000000..34b3ec5
--- /dev/null
+++ b/bin/tests/system/checkconf/good-rpz-update.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com." {
+	type primary;
+	file "example.com.zone";
+};
+
+options {
+	response-policy {
+		zone "example.com."
+			policy given
+			min-update-interval 5m;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-rrset-order-none.conf b/bin/tests/system/checkconf/good-rrset-order-none.conf
new file mode 100644
index 0000000..f0818ca
--- /dev/null
+++ b/bin/tests/system/checkconf/good-rrset-order-none.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	rrset-order {
+		order none;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-server-christmas-tree.conf.in b/bin/tests/system/checkconf/good-server-christmas-tree.conf.in
new file mode 100644
index 0000000..a786a11
--- /dev/null
+++ b/bin/tests/system/checkconf/good-server-christmas-tree.conf.in
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key example {
+	algorithm hmac-sha256;
+	secret "aaaaaaaaaaaaaaaaaaaaaaaa";
+};
+
+server 0.0.0.0 {
+	bogus no;
+	edns no;
+	edns-udp-size 512;
+	edns-version 0;
+	keys example;
+	max-udp-size 512;
+	notify-source 0.0.0.0;
+	padding 512;
+	provide-ixfr no;
+	query-source 0.0.0.0;
+	request-expire no;
+	request-ixfr no;
+	request-nsid no;
+	send-cookie no;
+	tcp-keepalive no;
+	tcp-only no;
+	transfer-format one-answer;
+	transfer-source 0.0.0.0;
+	transfers 1;
+};
+
+server :: {
+	bogus no;
+	edns no;
+	edns-udp-size 512;
+	edns-version 0;
+	keys example;
+	max-udp-size 512;
+	notify-source-v6 ::;
+	padding 512;
+	provide-ixfr no;
+	query-source-v6 ::;
+	request-expire no;
+	request-ixfr no;
+	request-nsid no;
+	send-cookie no;
+	tcp-keepalive no;
+	tcp-only no;
+	transfer-format one-answer;
+	transfer-source-v6 ::;
+	transfers 1;
+};
diff --git a/bin/tests/system/checkconf/good-sig-signing-type.conf b/bin/tests/system/checkconf/good-sig-signing-type.conf
new file mode 100644
index 0000000..dda1b73
--- /dev/null
+++ b/bin/tests/system/checkconf/good-sig-signing-type.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone example {
+	type primary;
+	file "example.db";
+	sig-signing-type 65280;
+};
diff --git a/bin/tests/system/checkconf/good-static-ds.conf b/bin/tests/system/checkconf/good-static-ds.conf
new file mode 100644
index 0000000..be7412a
--- /dev/null
+++ b/bin/tests/system/checkconf/good-static-ds.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	example. static-ds 60724 5 2 "29E79B9064EE1A11DF3BFF19581DDFED7952C22CC204ACE17B6007EB1437E9E6";
+};
diff --git a/bin/tests/system/checkconf/good-transfer-source-v6.conf b/bin/tests/system/checkconf/good-transfer-source-v6.conf
new file mode 100644
index 0000000..0527b85
--- /dev/null
+++ b/bin/tests/system/checkconf/good-transfer-source-v6.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	transfer-source-v6 fd92:7065:b8e:ffff::1;
+};
diff --git a/bin/tests/system/checkconf/good-transfer-source.conf b/bin/tests/system/checkconf/good-transfer-source.conf
new file mode 100644
index 0000000..df23d1c
--- /dev/null
+++ b/bin/tests/system/checkconf/good-transfer-source.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	transfer-source 10.53.0.1;
+};
diff --git a/bin/tests/system/checkconf/good-update-policy1.conf b/bin/tests/system/checkconf/good-update-policy1.conf
new file mode 100644
index 0000000..b312590
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy1.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * self * TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy10.conf b/bin/tests/system/checkconf/good-update-policy10.conf
new file mode 100644
index 0000000..3605834
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy10.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * krb5-subdomain . TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy11.conf b/bin/tests/system/checkconf/good-update-policy11.conf
new file mode 100644
index 0000000..92be340
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy11.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * tcp-self . TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy12.conf b/bin/tests/system/checkconf/good-update-policy12.conf
new file mode 100644
index 0000000..b76e583
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy12.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * 6to4-self . TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy13.conf b/bin/tests/system/checkconf/good-update-policy13.conf
new file mode 100644
index 0000000..e0030e8
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy13.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * tcp-self . ptr(1);
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy2.conf b/bin/tests/system/checkconf/good-update-policy2.conf
new file mode 100644
index 0000000..9af4d8a
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy2.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * self . TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy3.conf b/bin/tests/system/checkconf/good-update-policy3.conf
new file mode 100644
index 0000000..2d4f8ee
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy3.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * selfsub . TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy4.conf b/bin/tests/system/checkconf/good-update-policy4.conf
new file mode 100644
index 0000000..480ec5e
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy4.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * selfsub * TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy5.conf b/bin/tests/system/checkconf/good-update-policy5.conf
new file mode 100644
index 0000000..5619188
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy5.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * selfwild * TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy6.conf b/bin/tests/system/checkconf/good-update-policy6.conf
new file mode 100644
index 0000000..7e9d8c0
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy6.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * selfwild . TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy7.conf b/bin/tests/system/checkconf/good-update-policy7.conf
new file mode 100644
index 0000000..8b0b821
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy7.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * krb5-self . TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy8.conf b/bin/tests/system/checkconf/good-update-policy8.conf
new file mode 100644
index 0000000..b00e8c4
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy8.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * ms-self . TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-update-policy9.conf b/bin/tests/system/checkconf/good-update-policy9.conf
new file mode 100644
index 0000000..491e07c
--- /dev/null
+++ b/bin/tests/system/checkconf/good-update-policy9.conf
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant * ms-subdomain . TXT;
+	};
+};
diff --git a/bin/tests/system/checkconf/good-view-also-notify.conf b/bin/tests/system/checkconf/good-view-also-notify.conf
new file mode 100644
index 0000000..54d90ba
--- /dev/null
+++ b/bin/tests/system/checkconf/good-view-also-notify.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view example {
+	also-notify { missing; };
+	zone "example.net" {
+		type secondary;
+		notify no;
+		primaries { 192.168.1.1; };
+	};
+};
diff --git a/bin/tests/system/checkconf/good.conf b/bin/tests/system/checkconf/good.conf
new file mode 100644
index 0000000..f8d0408
--- /dev/null
+++ b/bin/tests/system/checkconf/good.conf
@@ -0,0 +1,286 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * This is just a random selection of configuration options.
+ */
+
+/* cut here */
+dnssec-policy "test" {
+	dnskey-ttl 3600;
+	keys {
+		ksk key-directory lifetime P1Y algorithm 13 256;
+		zsk key-directory lifetime P30D algorithm 13;
+		csk key-directory lifetime P30D algorithm 8 2048;
+	};
+	max-zone-ttl 86400;
+	nsec3param ;
+	parent-ds-ttl 7200;
+	parent-propagation-delay PT1H;
+	publish-safety PT3600S;
+	purge-keys P90D;
+	retire-safety PT3600S;
+	signatures-refresh P3D;
+	signatures-validity P2W;
+	signatures-validity-dnskey P14D;
+	zone-propagation-delay PT5M;
+};
+options {
+	avoid-v4-udp-ports {
+		100;
+	};
+	avoid-v6-udp-ports {
+		100;
+	};
+	blackhole {
+		10.0.0.0/8;
+	};
+	directory ".";
+	dscp 41;
+	dump-file "named_dumpdb";
+	heartbeat-interval 30;
+	hostname none;
+	interface-interval 30;
+	keep-response-order {
+		10.0.10.0/24;
+	};
+	listen-on port 90 {
+		"any";
+	};
+	listen-on port 100 dscp 33 {
+		127.0.0.1/32;
+	};
+	listen-on-v6 port 53 dscp 57 {
+		"none";
+	};
+	match-mapped-addresses yes;
+	memstatistics-file "named.memstats";
+	pid-file none;
+	port 5300;
+	querylog yes;
+	recursing-file "named.recursing";
+	recursive-clients 3000;
+	serial-query-rate 100;
+	server-id none;
+	update-quota 200;
+	check-names primary warn;
+	check-names secondary ignore;
+	max-cache-size 20000000000000;
+	nta-lifetime 604800;
+	nta-recheck 604800;
+	validate-except {
+		"corp";
+	};
+	dnssec-policy "test";
+	max-ixfr-ratio 90%;
+	transfer-source 0.0.0.0 dscp 63;
+	zone-statistics none;
+};
+parental-agents "parents" {
+	10.10.10.11;
+	10.10.10.12;
+};
+view "first" {
+	match-clients {
+		"none";
+	};
+	zone "example1" {
+		type primary;
+		file "xxx";
+		update-policy local;
+		max-ixfr-ratio 20%;
+		notify-source 10.10.10.10 port 53 dscp 55;
+	};
+	zone "clone" {
+		type primary;
+		file "yyy";
+		inline-signing yes;
+		max-ixfr-ratio unlimited;
+	};
+	dnssec-validation auto;
+	zone-statistics terse;
+};
+view "second" {
+	match-clients {
+		"any";
+	};
+	zone "example1" {
+		type primary;
+		file "zzz";
+		update-policy local;
+		zone-statistics yes;
+	};
+	zone "example2" {
+		type static-stub;
+		forward only;
+		forwarders {
+			10.53.0.4;
+		};
+		zone-statistics no;
+	};
+	zone "example3" {
+		type static-stub;
+		server-addresses {
+			1.2.3.4;
+		};
+	};
+	zone "clone" {
+		in-view "first";
+	};
+	zone "." {
+		type redirect;
+		primaries {
+			1.2.3.4;
+		};
+	};
+	dnssec-validation auto;
+	zone-statistics full;
+};
+view "third" {
+	match-clients {
+		"none";
+	};
+	zone "clone" {
+		in-view "first";
+		forward only;
+		forwarders {
+			10.0.0.100;
+		};
+	};
+	zone "dnssec" {
+		type primary;
+		file "file";
+		allow-update {
+			"any";
+		};
+		dnssec-policy "default";
+	};
+	zone "p" {
+		type primary;
+		file "pfile";
+		inline-signing yes;
+	};
+	zone "s" {
+		type secondary;
+		file "sfile";
+		inline-signing yes;
+		primaries {
+			1.2.3.4;
+		};
+		notify primary-only;
+	};
+};
+view "fourth" {
+	zone "dnssec-test" {
+		type primary;
+		file "dnssec-test.db";
+		inline-signing yes;
+		parental-agents {
+			1.2.3.4;
+			1.2.3.5;
+		};
+		dnssec-policy "test";
+		parental-source 10.10.10.10 port 53 dscp 55;
+	};
+	zone "dnssec-default" {
+		type primary;
+		file "dnssec-default.db";
+		inline-signing yes;
+		parental-agents {
+			"parents";
+		};
+		dnssec-policy "default";
+	};
+	zone "dnssec-inherit" {
+		type primary;
+		file "dnssec-inherit.db";
+		inline-signing yes;
+	};
+	zone "dnssec-none" {
+		type primary;
+		file "dnssec-none.db";
+		dnssec-policy "none";
+	};
+	zone "dnssec-view1" {
+		type primary;
+		file "dnssec-view41.db";
+		inline-signing yes;
+		dnssec-policy "test";
+	};
+	zone "dnssec-view2" {
+		type primary;
+		file "dnssec-view42.db";
+		inline-signing yes;
+	};
+	zone "dnssec-view3" {
+		type primary;
+		file "dnssec-view43.db";
+		dnssec-policy "none";
+		key-directory "keys";
+	};
+	zone "dnssec-view4" {
+		type primary;
+		file "dnssec-view44.db";
+		dnssec-policy "none";
+	};
+	dnssec-policy "default";
+	key-directory ".";
+};
+view "fifth" {
+	zone "dnssec-view1" {
+		type primary;
+		file "dnssec-view51.db";
+		inline-signing yes;
+		dnssec-policy "test";
+	};
+	zone "dnssec-view2" {
+		type primary;
+		file "dnssec-view52.db";
+		inline-signing yes;
+		dnssec-policy "test";
+		key-directory "keys";
+	};
+	zone "dnssec-view3" {
+		type primary;
+		file "dnssec-view53.db";
+		inline-signing yes;
+		dnssec-policy "default";
+		key-directory "keys";
+	};
+	zone "dnssec-view4" {
+		type primary;
+		file "dnssec-view54.db";
+		dnssec-policy "none";
+	};
+	key-directory ".";
+};
+view "chaos" chaos {
+	zone "hostname.bind" chaos {
+		type primary;
+		database "_builtin hostname";
+		inline-signing yes;
+	};
+};
+dyndb "name" "library.so" {
+	this;
+	\};
+	is a {
+		"test" { \{ of; the; };
+	} bracketed;
+	"text \"";
+	system;
+};
+key "mykey" {
+	algorithm "hmac-md5";
+	secret "qwertyuiopasdfgh";
+};
diff --git a/bin/tests/system/checkconf/good.zonelist b/bin/tests/system/checkconf/good.zonelist
new file mode 100644
index 0000000..a5fbfda
--- /dev/null
+++ b/bin/tests/system/checkconf/good.zonelist
@@ -0,0 +1,24 @@
+example1 IN first primary
+clone IN first primary
+example1 IN second primary
+example2 IN second static-stub
+example3 IN second static-stub
+clone IN second in-view first
+. IN second redirect
+clone IN third in-view first
+dnssec IN third primary
+p IN third primary
+s IN third secondary
+dnssec-test IN fourth primary
+dnssec-default IN fourth primary
+dnssec-inherit IN fourth primary
+dnssec-none IN fourth primary
+dnssec-view1 IN fourth primary
+dnssec-view2 IN fourth primary
+dnssec-view3 IN fourth primary
+dnssec-view4 IN fourth primary
+dnssec-view1 IN fifth primary
+dnssec-view2 IN fifth primary
+dnssec-view3 IN fifth primary
+dnssec-view4 IN fifth primary
+hostname.bind chaos chaos primary
diff --git a/bin/tests/system/checkconf/hint-nofile.conf b/bin/tests/system/checkconf/hint-nofile.conf
new file mode 100644
index 0000000..1d1dee2
--- /dev/null
+++ b/bin/tests/system/checkconf/hint-nofile.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type hint;
+	file "nonexistent.db";
+};
diff --git a/bin/tests/system/checkconf/in-view-good.conf b/bin/tests/system/checkconf/in-view-good.conf
new file mode 100644
index 0000000..e5e860d
--- /dev/null
+++ b/bin/tests/system/checkconf/in-view-good.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view internal {
+	zone shared.example {
+		type primary;
+		file "shared.example.db";
+	};
+};
+
+view external {
+	zone shared.example {
+		in-view internal;
+	};
+};
diff --git a/bin/tests/system/checkconf/inline-bad.conf b/bin/tests/system/checkconf/inline-bad.conf
new file mode 100644
index 0000000..17dcb6b
--- /dev/null
+++ b/bin/tests/system/checkconf/inline-bad.conf
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl "transferees" {};
+primaries "stealthPrimaries" {127.0.0.1;};
+primaries "publicSecondaries" {127.0.0.1;};
+zone "example.net" {
+	type secondary;
+	key-directory "/var/lib/bind/example.net";
+	auto-dnssec maintain;
+	inline-signing yes;
+	primaries { stealthPrimaries; };
+	notify explicit;
+	also-notify { publicSecondaries; };
+	allow-transfer { localhost; transferees; };
+};
+
diff --git a/bin/tests/system/checkconf/inline-good.conf b/bin/tests/system/checkconf/inline-good.conf
new file mode 100644
index 0000000..f588bcd
--- /dev/null
+++ b/bin/tests/system/checkconf/inline-good.conf
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl "transferees" {};
+primaries "stealthPrimaries" {127.0.0.1;};
+primaries "publicSecondaries" {127.0.0.1;};
+zone "example.net" {
+	type secondary;
+	file "/var/cache/bind/example.net.db";
+	key-directory "/var/lib/bind/example.net";
+	auto-dnssec maintain;
+	inline-signing yes;
+	primaries { stealthPrimaries; };
+	notify explicit;
+	also-notify { publicSecondaries; };
+	allow-transfer { localhost; transferees; };
+};
+
diff --git a/bin/tests/system/checkconf/inline-no.conf b/bin/tests/system/checkconf/inline-no.conf
new file mode 100644
index 0000000..f6dbc5a
--- /dev/null
+++ b/bin/tests/system/checkconf/inline-no.conf
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl "transferees" {};
+primaries "stealthPrimaries" {127.0.0.1;};
+primaries "publicSecondaries" {127.0.0.1;};
+zone "example.net" {
+	type secondary;
+	key-directory "/var/lib/bind/example.net";
+	auto-dnssec maintain;
+	inline-signing no;
+	primaries { stealthPrimaries; };
+	notify explicit;
+	also-notify { publicSecondaries; };
+	allow-transfer { localhost; transferees; };
+};
+
diff --git a/bin/tests/system/checkconf/kasp-and-other-dnssec-options.conf b/bin/tests/system/checkconf/kasp-and-other-dnssec-options.conf
new file mode 100644
index 0000000..b67a0e1
--- /dev/null
+++ b/bin/tests/system/checkconf/kasp-and-other-dnssec-options.conf
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "good-kasp.conf";
+
+zone "nsec3.net" {
+	type primary;
+	file "nsec3.db";
+	dnssec-policy "test";
+	auto-dnssec maintain;
+	dnskey-sig-validity 3600;
+	dnssec-dnskey-kskonly yes;
+	dnssec-secure-to-insecure yes;
+	dnssec-update-mode maintain;
+	inline-signing no;
+	sig-validity-interval 3600;
+	update-check-ksk yes;
+};
diff --git a/bin/tests/system/checkconf/kasp-bad-keylen.conf b/bin/tests/system/checkconf/kasp-bad-keylen.conf
new file mode 100644
index 0000000..5ca4c34
--- /dev/null
+++ b/bin/tests/system/checkconf/kasp-bad-keylen.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "bad-keylen" {
+	keys {
+		csk lifetime P10Y algorithm rsasha1 511;
+	};
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "bad-keylen";
+};
diff --git a/bin/tests/system/checkconf/kasp-bad-lifetime.conf b/bin/tests/system/checkconf/kasp-bad-lifetime.conf
new file mode 100644
index 0000000..225b386
--- /dev/null
+++ b/bin/tests/system/checkconf/kasp-bad-lifetime.conf
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "bad-lifetime-ksk" {
+	/*
+	 * The KSK lifetime is too short.
+	 * The ZSK lifetime is good enough but should trigger a warning.
+	 */
+	keys {
+		ksk lifetime PT3H algorithm 13;
+		zsk lifetime P8DT2H1S algorithm 13;
+	};
+
+	dnskey-ttl PT1H;
+	publish-safety PT1H;
+	retire-safety PT1H;
+	zone-propagation-delay PT1H;
+	max-zone-ttl P1D;
+	signatures-validity P10D;
+	signatures-refresh P3D;
+	parent-ds-ttl PT1H;
+	parent-propagation-delay PT5M;
+};
+
+dnssec-policy "bad-lifetime-zsk" {
+	/*
+	 * The ZSK lifetime is too short.
+	 * The KSK lifetime is good enough but should trigger a warning.
+	 */
+	keys {
+		ksk lifetime PT3H1S algorithm 13;
+		zsk lifetime P8DT2H algorithm 13;
+	};
+
+	dnskey-ttl PT1H;
+	publish-safety PT1H;
+	retire-safety PT1H;
+	zone-propagation-delay PT1H;
+	max-zone-ttl P1D;
+	signatures-validity P10D;
+	signatures-refresh P3D;
+	parent-ds-ttl PT1H;
+	parent-propagation-delay PT5M;
+};
+
+dnssec-policy "bad-lifetime-csk" {
+	/*
+	 * The CSK lifetime is too short.
+	 */
+	keys {
+		csk lifetime PT3H algorithm 13;
+	};
+
+	dnskey-ttl PT1H;
+	publish-safety PT1H;
+	retire-safety PT1H;
+	zone-propagation-delay PT1H;
+	max-zone-ttl P1D;
+	signatures-validity P10D;
+	signatures-refresh P3D;
+	parent-ds-ttl PT1H;
+	parent-propagation-delay PT5M;
+};
+
+zone "bad-lifetime-ksk.example.net" {
+	type primary;
+	file "bad-lifetime-ksk.example.db";
+	dnssec-policy "bad-lifetime-ksk";
+};
+
+zone "bad-lifetime-zsk.example.net" {
+	type primary;
+	file "bad-lifetime-zsk.example.db";
+	dnssec-policy "bad-lifetime-zsk";
+};
+
+zone "bad-lifetime-csk.example.net" {
+	type primary;
+	file "bad-lifetime-csk.example.db";
+	dnssec-policy "bad-lifetime-csk";
+};
diff --git a/bin/tests/system/checkconf/kasp-bad-nsec3-alg.conf b/bin/tests/system/checkconf/kasp-bad-nsec3-alg.conf
new file mode 100644
index 0000000..8691b6c
--- /dev/null
+++ b/bin/tests/system/checkconf/kasp-bad-nsec3-alg.conf
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "bad-salt" {
+	keys {
+		csk lifetime unlimited algorithm rsasha1;
+	};
+	nsec3param ;
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "bad-salt";
+};
+
diff --git a/bin/tests/system/checkconf/kasp-bad-nsec3-iter.conf b/bin/tests/system/checkconf/kasp-bad-nsec3-iter.conf
new file mode 100644
index 0000000..a5a71d3
--- /dev/null
+++ b/bin/tests/system/checkconf/kasp-bad-nsec3-iter.conf
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "rsasha1" {
+	keys {
+		csk lifetime P10Y algorithm nsec3rsasha1 1024;
+	};
+	nsec3param iterations 150;
+};
+
+dnssec-policy "rsasha1-bad" {
+	keys {
+		csk lifetime P10Y algorithm nsec3rsasha1 1024;
+	};
+	nsec3param iterations 151;
+};
+
+dnssec-policy "rsasha256" {
+	keys {
+		csk lifetime P10Y algorithm rsasha256 2048;
+	};
+	nsec3param iterations 150;
+};
+
+dnssec-policy "rsasha256-bad" {
+	keys {
+		csk lifetime P10Y algorithm rsasha256 2048;
+	};
+	nsec3param iterations 151;
+};
+
+dnssec-policy "rsasha512" {
+	keys {
+		csk lifetime P10Y algorithm rsasha512 4096;
+	};
+	nsec3param iterations 150;
+};
+
+dnssec-policy "rsasha512-bad" {
+	keys {
+		csk lifetime P10Y algorithm rsasha512 4096;
+	};
+	nsec3param iterations 151;
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "default";
+	inline-signing yes;
+};
diff --git a/bin/tests/system/checkconf/kasp-bad-nsec3-salt.conf b/bin/tests/system/checkconf/kasp-bad-nsec3-salt.conf
new file mode 100644
index 0000000..708e580
--- /dev/null
+++ b/bin/tests/system/checkconf/kasp-bad-nsec3-salt.conf
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "bad-salt" {
+	nsec3param salt "pepper";
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "bad-salt";
+};
+
diff --git a/bin/tests/system/checkconf/kasp-bad-signatures-refresh.conf b/bin/tests/system/checkconf/kasp-bad-signatures-refresh.conf
new file mode 100644
index 0000000..197ff17
--- /dev/null
+++ b/bin/tests/system/checkconf/kasp-bad-signatures-refresh.conf
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "bad-sigrefresh" {
+	keys {
+		csk lifetime unlimited algorithm 13;
+	};
+
+	signatures-validity P10D;
+	signatures-validity-dnskey P20D;
+	signatures-refresh P9DT1S;
+};
+
+dnssec-policy "bad-sigrefresh-dnskey" {
+	keys {
+		csk lifetime unlimited algorithm 13;
+	};
+
+	signatures-validity P20D;
+	signatures-validity-dnskey P10D;
+	signatures-refresh P9DT1S;
+};
+
+zone "sigrefresh.example.net" {
+	type primary;
+	file "sigrefresh.example.db";
+	inline-signing yes;
+	dnssec-policy "bad-sigrefresh";
+};
+
+zone "dnskey.example.net" {
+	type primary;
+	file "dnskey.example.db";
+	inline-signing yes;
+	dnssec-policy "bad-sigrefresh-dnskey";
+};
diff --git a/bin/tests/system/checkconf/kasp-ignore-keylen.conf b/bin/tests/system/checkconf/kasp-ignore-keylen.conf
new file mode 100644
index 0000000..c9787d4
--- /dev/null
+++ b/bin/tests/system/checkconf/kasp-ignore-keylen.conf
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "warn-length" {
+	keys {
+		// Algorithm 13 has predefined length, warn about length param.
+		csk lifetime unlimited algorithm ecdsa256 2048;
+	};
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	dnssec-policy "warn-length";
+	inline-signing yes;
+};
+
diff --git a/bin/tests/system/checkconf/kasp-warning.conf b/bin/tests/system/checkconf/kasp-warning.conf
new file mode 100644
index 0000000..41b6d6f
--- /dev/null
+++ b/bin/tests/system/checkconf/kasp-warning.conf
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "warn1" {
+	keys {
+		// This policy has keys in the same algorithm with the same
+		// role, this should trigger a warning.
+		ksk lifetime unlimited algorithm ecdsa256;
+		zsk lifetime unlimited algorithm ecdsa256;
+		zsk lifetime unlimited algorithm ecdsa256;
+		ksk lifetime unlimited algorithm ecdsa256;
+	};
+};
+
+dnssec-policy "warn2" {
+	keys {
+		// This policy has keys in the same algorithm with the same
+		// role, this should trigger a warning.
+		csk lifetime unlimited algorithm rsasha256;
+		ksk lifetime unlimited algorithm rsasha256;
+		zsk lifetime unlimited algorithm rsasha256;
+	};
+};
+
+dnssec-policy "warn3" {
+	keys {
+		// This policy has a key with a very short lifetime.
+		csk lifetime PT2591999S algorithm rsasha256;
+	};
+};
+
+zone "warn1.example.net" {
+	type primary;
+	file "warn1.example.db";
+	inline-signing yes;
+	dnssec-policy "warn1";
+};
+
+zone "warn2.example.net" {
+	type primary;
+	file "warn2.example.db";
+	inline-signing yes;
+	dnssec-policy "warn2";
+};
+
+zone "warn3.example.net" {
+	type primary;
+	file "warn3.example.db";
+	inline-signing yes;
+	dnssec-policy "warn3";
+};
+
diff --git a/bin/tests/system/checkconf/lmdb-mapsize-largest.conf b/bin/tests/system/checkconf/lmdb-mapsize-largest.conf
new file mode 100644
index 0000000..a55b835
--- /dev/null
+++ b/bin/tests/system/checkconf/lmdb-mapsize-largest.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	lmdb-mapsize 1024G;
+};
diff --git a/bin/tests/system/checkconf/lmdb-mapsize-smallest.conf b/bin/tests/system/checkconf/lmdb-mapsize-smallest.conf
new file mode 100644
index 0000000..4478706
--- /dev/null
+++ b/bin/tests/system/checkconf/lmdb-mapsize-smallest.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	lmdb-mapsize 1M;
+};
diff --git a/bin/tests/system/checkconf/max-cache-size-good.conf b/bin/tests/system/checkconf/max-cache-size-good.conf
new file mode 100644
index 0000000..bb12775
--- /dev/null
+++ b/bin/tests/system/checkconf/max-cache-size-good.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	max-cache-size 60%;
+};
diff --git a/bin/tests/system/checkconf/max-ttl.conf b/bin/tests/system/checkconf/max-ttl.conf
new file mode 100644
index 0000000..b91a5fd
--- /dev/null
+++ b/bin/tests/system/checkconf/max-ttl.conf
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	directory ".";
+	max-zone-ttl 600;
+};
+
+zone "maxttl1.example" {
+	type primary;
+	file "maxttl-bad.db";
+};
+
+zone "maxttl2.example" {
+	type primary;
+	file "maxttl-bad.db";
+	max-zone-ttl 300;
+};
+
+zone "maxttl3.example" {
+	type primary;
+	file "maxttl-bad.db";
+	max-zone-ttl 120;
+};
diff --git a/bin/tests/system/checkconf/maxttl-bad.conf b/bin/tests/system/checkconf/maxttl-bad.conf
new file mode 100644
index 0000000..66bbebd
--- /dev/null
+++ b/bin/tests/system/checkconf/maxttl-bad.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	directory ".";
+	max-zone-ttl 8000w;
+};
+
+zone "maxttl.example" {
+	type primary;
+	file "maxttl-bad.db";
+};
+
+
diff --git a/bin/tests/system/checkconf/maxttl-bad.db b/bin/tests/system/checkconf/maxttl-bad.db
new file mode 100644
index 0000000..978f0ec
--- /dev/null
+++ b/bin/tests/system/checkconf/maxttl-bad.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@                       IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+			MX	10 mail
+
+a       600		A	10.0.0.1
+mail	900		A	10.0.0.2
diff --git a/bin/tests/system/checkconf/maxttl.db b/bin/tests/system/checkconf/maxttl.db
new file mode 100644
index 0000000..3ad695e
--- /dev/null
+++ b/bin/tests/system/checkconf/maxttl.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600	; 10 minutes
+@                       IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+			MX	10 mail
+
+a			A	10.0.0.1
+mail			A	10.0.0.2
diff --git a/bin/tests/system/checkconf/notify.conf b/bin/tests/system/checkconf/notify.conf
new file mode 100644
index 0000000..2978118
--- /dev/null
+++ b/bin/tests/system/checkconf/notify.conf
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view one {
+	notify primary-only;
+
+	# also-notify inconsistent with primary-only notify option
+	zone "secondary" {
+		type secondary;
+		primaries { 1.2.3.4; };
+		also-notify { 5.6.7.8; };
+	};
+
+	# OK
+	zone "primary" {
+		type primary;
+		file "filename";
+		also-notify { 5.6.7.8; };
+	};
+};
+
+view two {
+	notify no;
+
+	# also-notify inconsistent with notify option at the view level
+	zone "secondary" {
+		type secondary;
+		primaries { 1.2.3.4; };
+		also-notify { 5.6.7.8; };
+	};
+
+	# OK
+	zone "primary" {
+		type primary;
+		file "filename";
+		notify yes;
+		also-notify { 5.6.7.8; };
+	};
+};
+
+view three {
+	# also-notify inconsistent with notify option at the zone level
+	zone "secondary" {
+		type secondary;
+		primaries { 1.2.3.4; };
+		notify no;
+		also-notify { 5.6.7.8; };
+	};
+
+	# OK
+	zone "primary" {
+		type primary;
+		file "filename";
+		also-notify { 5.6.7.8; };
+	};
+};
+
+view four {
+	also-notify { 5.6.7.8; };
+
+	# OK
+	zone "secondary" {
+		type secondary;
+		primaries { 1.2.3.4; };
+		notify primary-only;
+	};
+
+	# OK
+	zone "primary" {
+		type primary;
+		file "filename";
+		notify no;
+	};
+};
diff --git a/bin/tests/system/checkconf/portrange-good.conf b/bin/tests/system/checkconf/portrange-good.conf
new file mode 100644
index 0000000..c4eb582
--- /dev/null
+++ b/bin/tests/system/checkconf/portrange-good.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	avoid-v4-udp-ports {
+		1935;
+		2605;
+		4321;
+		6514;
+		range 8610 8614;
+	};
+};
diff --git a/bin/tests/system/checkconf/range.conf b/bin/tests/system/checkconf/range.conf
new file mode 100644
index 0000000..c254f5c
--- /dev/null
+++ b/bin/tests/system/checkconf/range.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 999999;
+};
diff --git a/bin/tests/system/checkconf/servestale.stale-refresh-time.0.conf b/bin/tests/system/checkconf/servestale.stale-refresh-time.0.conf
new file mode 100644
index 0000000..3ff6b0d
--- /dev/null
+++ b/bin/tests/system/checkconf/servestale.stale-refresh-time.0.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	stale-refresh-time 0;
+};
diff --git a/bin/tests/system/checkconf/servestale.stale-refresh-time.29.conf b/bin/tests/system/checkconf/servestale.stale-refresh-time.29.conf
new file mode 100644
index 0000000..9e0669c
--- /dev/null
+++ b/bin/tests/system/checkconf/servestale.stale-refresh-time.29.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	stale-refresh-time 29;
+};
diff --git a/bin/tests/system/checkconf/setup.sh b/bin/tests/system/checkconf/setup.sh
new file mode 100644
index 0000000..7d83eb5
--- /dev/null
+++ b/bin/tests/system/checkconf/setup.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports bad-kasp-keydir1.conf.in bad-kasp-keydir1.conf
+copy_setports bad-kasp-keydir2.conf.in bad-kasp-keydir2.conf
+copy_setports bad-kasp-keydir3.conf.in bad-kasp-keydir3.conf
+copy_setports bad-kasp-keydir4.conf.in bad-kasp-keydir4.conf
+copy_setports bad-kasp-keydir5.conf.in bad-kasp-keydir5.conf
+cp -f good-server-christmas-tree.conf.in good-server-christmas-tree.conf
diff --git a/bin/tests/system/checkconf/shared.example.db b/bin/tests/system/checkconf/shared.example.db
new file mode 100644
index 0000000..5dcdd1b
--- /dev/null
+++ b/bin/tests/system/checkconf/shared.example.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	0	SOA	. . 0 0 0 0 0
+@	0	NS	.
diff --git a/bin/tests/system/checkconf/tests.sh b/bin/tests/system/checkconf/tests.sh
new file mode 100644
index 0000000..8d82f92
--- /dev/null
+++ b/bin/tests/system/checkconf/tests.sh
@@ -0,0 +1,664 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+mkdir -p keys
+
+n=$((n + 1))
+echo_i "checking that named-checkconf handles a known good config ($n)"
+ret=0
+$CHECKCONF good.conf > checkconf.out$n 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf prints a known good config ($n)"
+ret=0
+awk 'BEGIN { ok = 0; } /cut here/ { ok = 1; getline } ok == 1 { print }' good.conf > good.conf.in
+[ -s good.conf.in ] || ret=1
+$CHECKCONF -p good.conf.in  > checkconf.out$n || ret=1
+grep -v '^good.conf.in:' < checkconf.out$n > good.conf.out 2>&1 || ret=1
+cmp good.conf.in good.conf.out || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf -x removes secrets ($n)"
+ret=0
+# ensure there is a secret and that it is not the check string.
+grep 'secret "' good.conf.in > /dev/null || ret=1
+grep 'secret "????????????????"' good.conf.in > /dev/null 2>&1 && ret=1
+$CHECKCONF -p -x good.conf.in > checkconf.out$n || ret=1
+grep -v '^good.conf.in:' < checkconf.out$n > good.conf.out 2>&1 || ret=1
+grep 'secret "????????????????"' good.conf.out > /dev/null 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+for bad in bad-*.conf
+do
+    n=$((n + 1))
+    echo_i "checking that named-checkconf detects error in $bad ($n)"
+    ret=0
+    { $CHECKCONF $bad > checkconf.out$n 2>&1; rc=$?; } || true
+    if [ $rc -ne 1 ]; then ret=1; fi
+    grep "^$bad:[0-9]*: " < checkconf.out$n > /dev/null || ret=1
+    case $bad in
+    bad-update-policy[123].conf)
+	pat="identity and name fields are not the same"
+	grep "$pat" < checkconf.out$n > /dev/null || ret=1
+	;;
+    bad-update-policy[4589].conf|bad-update-policy1[01].conf)
+	pat="name field not set to placeholder value"
+	grep "$pat" < checkconf.out$n > /dev/null || ret=1
+	;;
+    bad-update-policy[67].conf|bad-update-policy1[2345789].conf|bad-update-policy20.conf)
+	pat="missing name field type '.*' found"
+	grep "$pat" < checkconf.out$n > /dev/null || ret=1
+	;;
+    esac
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+done
+
+for good in good-*.conf
+do
+	n=$((n + 1))
+	echo_i "checking that named-checkconf detects no error in $good ($n)"
+	ret=0
+	if ! $FEATURETEST --with-libnghttp2
+	then
+		case $good in
+		good-doh-*.conf) continue;;
+		good-dot-*.conf) continue;;
+		esac
+	fi
+	{ $CHECKCONF $good > checkconf.out$n 2>&1; rc=$?; } || true
+	if [ $rc -ne 0 ]; then echo_i "failed"; ret=1; fi
+	status=$((status + ret))
+done
+
+for lmdb in lmdb-*.conf
+do
+	n=$((n + 1))
+	ret=0
+
+	if $FEATURETEST --with-lmdb; then
+		echo_i "checking that named-checkconf detects no error in $lmdb ($n)"
+		{ $CHECKCONF $lmdb > checkconf.out$n 2>&1; rc=$?; } || true
+		if [ $rc -ne 0 ]; then echo_i "failed"; ret=1; fi
+	else
+		echo_i "checking that named-checkconf detects error in $lmdb ($n)"
+		{ $CHECKCONF $lmdb > checkconf.out$n 2>&1; rc=$?; } || true
+		if [ $rc -eq 0 ]; then echo_i "failed"; ret=1; fi
+	fi
+	status=$((status + ret))
+done
+
+n=$((n + 1))
+echo_i "checking that ancient options report a fatal error ($n)"
+ret=0
+$CHECKCONF ancient.conf > ancient.out 2>&1 && ret=1
+grep "no longer exists" ancient.out > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf -z catches missing hint file ($n)"
+ret=0
+$CHECKCONF -z hint-nofile.conf > hint-nofile.out 2>&1 && ret=1
+grep "could not configure root hints from 'nonexistent.db': file not found" hint-nofile.out > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf catches range errors ($n)"
+ret=0
+$CHECKCONF range.conf > checkconf.out$n 2>&1 && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf warns of notify inconsistencies ($n)"
+ret=0
+$CHECKCONF notify.conf > checkconf.out$n 2>&1
+warnings=$(grep "'notify' is disabled" < checkconf.out$n | wc -l)
+[ $warnings -eq 3 ] || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf dnssec warnings ($n)"
+ret=0
+# dnssec.1: auto-dnssec warning
+$CHECKCONF dnssec.1 > checkconf.out$n.1 2>&1 && ret=1
+grep 'auto-dnssec may only be ' < checkconf.out$n.1 > /dev/null || ret=1
+# dnssec.2: should have no warnings (other than deprecation warning)
+$CHECKCONF dnssec.2 > checkconf.out$n.2 2>&1 || ret=1
+grep "option 'auto-dnssec' is deprecated" < checkconf.out$n.2 > /dev/null || ret=1
+lines=$(wc -l < "checkconf.out$n.2")
+if [ $lines != 1 ]; then ret=1; fi
+# dnssec.3: should have specific deprecation warning
+$CHECKCONF dnssec.3 > checkconf.out$n.3 2>&1 && ret=1
+grep "'auto-dnssec' option is deprecated and will be removed in BIND 9\.19" < checkconf.out$n.3 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf deprecate warnings ($n)"
+ret=0
+$CHECKCONF deprecated.conf > checkconf.out$n.1 2>&1
+grep "option 'managed-keys' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "option 'trusted-keys' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "option 'use-v4-udp-ports' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "option 'use-v6-udp-ports' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "option 'avoid-v4-udp-ports' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "option 'avoid-v6-udp-ports' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "option 'delegation-only' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "option 'tkey-dhkey' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "option 'root-delegation-only' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "'type delegation-only' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "option 'dialup' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "option 'heartbeat-interval' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "option 'dnssec-must-be-secure' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+grep "token 'port' is deprecated" < checkconf.out$n.1 > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+# set -i to ignore deprecate warnings
+$CHECKCONF -i deprecated.conf > checkconf.out$n.2 2>&1
+grep '.*' < checkconf.out$n.2 > /dev/null && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf servestale warnings ($n)"
+ret=0
+$CHECKCONF servestale.stale-refresh-time.0.conf > checkconf.out$n.1 2>&1
+grep "'stale-refresh-time' should either be 0 or otherwise 30 seconds or higher" < checkconf.out$n.1 > /dev/null && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+ret=0
+$CHECKCONF servestale.stale-refresh-time.29.conf > checkconf.out$n.1 2>&1
+grep "'stale-refresh-time' should either be 0 or otherwise 30 seconds or higher" < checkconf.out$n.1 > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "range checking fields that do not allow zero ($n)"
+ret=0
+for field in max-retry-time min-retry-time max-refresh-time min-refresh-time; do
+    cat > badzero.conf << EOF
+options {
+    $field 0;
+};
+EOF
+    { $CHECKCONF badzero.conf > checkconf.out$n.1 2>&1; rc=$?; } || true
+    [ $rc -eq 1 ] || { echo_i "options $field failed" ; ret=1; }
+    cat > badzero.conf << EOF
+view dummy {
+    $field 0;
+};
+EOF
+    { $CHECKCONF badzero.conf > checkconf.out$n.2 2>&1; rc=$?; } || true
+    [ $rc -eq 1 ] || { echo_i "view $field failed" ; ret=1; }
+    cat > badzero.conf << EOF
+options {
+    $field 0;
+};
+view dummy {
+};
+EOF
+    { $CHECKCONF badzero.conf > checkconf.out$n.3 2>&1; rc=$?; } || true
+    [ $rc -eq 1 ] || { echo_i "options + view $field failed" ; ret=1; }
+    cat > badzero.conf << EOF
+zone dummy {
+    type secondary;
+    primaries { 0.0.0.0; };
+    $field 0;
+};
+EOF
+    { $CHECKCONF badzero.conf > checkconf.out$n.4 2>&1; rc=$?; } || true
+    [ $rc -eq 1 ] || { echo_i "zone $field failed" ; ret=1; }
+done
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking options allowed in inline-signing secondaries ($n)"
+ret=0
+$CHECKCONF bad-dnssec.conf > checkconf.out$n.1 2>&1 && ret=1
+l=$(grep "dnssec-dnskey-kskonly.*requires inline" < checkconf.out$n.1 | wc -l)
+[ $l -eq 1 ] || ret=1
+$CHECKCONF bad-dnssec.conf > checkconf.out$n.2 2>&1 && ret=1
+l=$(grep "dnssec-loadkeys-interval.*requires inline" < checkconf.out$n.2 | wc -l)
+[ $l -eq 1 ] || ret=1
+$CHECKCONF bad-dnssec.conf > checkconf.out$n.3 2>&1 && ret=1
+l=$(grep "update-check-ksk.*requires inline" < checkconf.out$n.3 | wc -l)
+[ $l -eq 1 ] || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check file + inline-signing for secondary zones ($n)"
+$CHECKCONF inline-no.conf > checkconf.out$n.1 2>&1 && ret=1
+l=$(grep "missing 'file' entry" < checkconf.out$n.1 | wc -l)
+[ $l -eq 0 ] || ret=1
+$CHECKCONF inline-good.conf > checkconf.out$n.2 2>&1 || ret=1
+l=$(grep "missing 'file' entry" < checkconf.out$n.2 | wc -l)
+[ $l -eq 0 ] || ret=1
+$CHECKCONF inline-bad.conf > checkconf.out$n.3 2>&1 && ret=1
+l=$(grep "missing 'file' entry" < checkconf.out$n.3 | wc -l)
+[ $l -eq 1 ] || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf DLZ warnings ($n)"
+ret=0
+$CHECKCONF dlz-bad.conf > checkconf.out$n 2>&1 && ret=1
+grep "'dlz' and 'database'" < checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking for missing key directory warning ($n)"
+ret=0
+rm -rf test.keydir
+$CHECKCONF warn-keydir.conf > checkconf.out$n.1 2>&1
+l=$(grep "'test.keydir' does not exist" < checkconf.out$n.1 | wc -l)
+[ $l -eq 1 ] || ret=1
+touch test.keydir
+$CHECKCONF warn-keydir.conf > checkconf.out$n.2 2>&1
+l=$(grep "'test.keydir' is not a directory" < checkconf.out$n.2 | wc -l)
+[ $l -eq 1 ] || ret=1
+rm -f test.keydir
+mkdir test.keydir
+$CHECKCONF warn-keydir.conf > checkconf.out$n.3 2>&1
+l=$(grep "key-directory" < checkconf.out$n.3 | wc -l)
+[ $l -eq 0 ] || ret=1
+rm -rf test.keydir
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+
+n=$((n + 1))
+echo_i "checking that named-checkconf -z catches conflicting ttl with max-ttl ($n)"
+ret=0
+$CHECKCONF -z max-ttl.conf > check.out 2>&1 && ret=1
+grep 'TTL 900 exceeds configured max-zone-ttl 600' check.out > /dev/null 2>&1 || ret=1
+grep 'TTL 900 exceeds configured max-zone-ttl 600' check.out > /dev/null 2>&1 || ret=1
+grep 'TTL 900 exceeds configured max-zone-ttl 600' check.out > /dev/null 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf -z catches invalid max-ttl ($n)"
+ret=0
+$CHECKCONF -z max-ttl-bad.conf > checkconf.out$n 2>&1 && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf -z skips zone check with alternate databases ($n)"
+ret=0
+$CHECKCONF -z altdb.conf > checkconf.out$n 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf -z skips zone check with DLZ ($n)"
+ret=0
+$CHECKCONF -z altdlz.conf > checkconf.out$n 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf -z fails on view with ANY class ($n)"
+ret=0
+$CHECKCONF -z view-class-any1.conf > checkconf.out$n 2>&1 && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf -z fails on view with CLASS255 class ($n)"
+ret=0
+$CHECKCONF -z view-class-any2.conf > checkconf.out$n 2>&1 && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf -z passes on view with IN class ($n)"
+ret=0
+$CHECKCONF -z view-class-in1.conf > checkconf.out$n 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf -z passes on view with CLASS1 class ($n)"
+ret=0
+$CHECKCONF -z view-class-in2.conf > checkconf.out$n 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that check-names fails as configured ($n)"
+ret=0
+$CHECKCONF -z check-names-fail.conf > checkconf.out$n 2>&1 && ret=1
+grep "near '_underscore': bad name (check-names)" < checkconf.out$n > /dev/null || ret=1
+grep "zone check-names/IN: loaded serial" < checkconf.out$n > /dev/null && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that check-mx fails as configured ($n)"
+ret=0
+$CHECKCONF -z check-mx-fail.conf > checkconf.out$n 2>&1 && ret=1
+grep "near '10.0.0.1': MX is an address" < checkconf.out$n > /dev/null || ret=1
+grep "zone check-mx/IN: loaded serial" < checkconf.out$n > /dev/null && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that check-dup-records fails as configured ($n)"
+ret=0
+$CHECKCONF -z check-dup-records-fail.conf > checkconf.out$n 2>&1 && ret=1
+grep "has semantically identical records" < checkconf.out$n > /dev/null || ret=1
+grep "zone check-dup-records/IN: loaded serial" < checkconf.out$n > /dev/null && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that check-mx fails as configured ($n)"
+ret=0
+$CHECKCONF -z check-mx-fail.conf > checkconf.out$n 2>&1 && ret=1
+grep "failed: MX is an address" < checkconf.out$n > /dev/null || ret=1
+grep "zone check-mx/IN: loaded serial" < checkconf.out$n > /dev/null && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that check-mx-cname fails as configured ($n)"
+ret=0
+$CHECKCONF -z check-mx-cname-fail.conf > checkconf.out$n 2>&1 && ret=1
+grep "MX.* is a CNAME (illegal)" < checkconf.out$n > /dev/null || ret=1
+grep "zone check-mx-cname/IN: loaded serial" < checkconf.out$n > /dev/null && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that check-srv-cname fails as configured ($n)"
+ret=0
+$CHECKCONF -z check-srv-cname-fail.conf > checkconf.out$n 2>&1 && ret=1
+grep "SRV.* is a CNAME (illegal)" < checkconf.out$n > /dev/null || ret=1
+grep "zone check-mx-cname/IN: loaded serial" < checkconf.out$n > /dev/null && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that named-checkconf -p properly print a port range ($n)"
+ret=0
+$CHECKCONF -p portrange-good.conf > checkconf.out$n 2>&1 || ret=1
+grep "range 8610 8614;" < checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that named-checkconf -z handles in-view ($n)"
+ret=0
+$CHECKCONF -z in-view-good.conf > checkconf.out$n 2>&1 || ret=1
+grep "zone shared.example/IN: loaded serial" < checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that named-checkconf -z returns error when a later view is okay ($n)"
+ret=0
+$CHECKCONF -z check-missing-zone.conf > checkconf.out$n 2>&1 && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that named-checkconf prints max-cache-size <percentage> correctly ($n)"
+ret=0
+$CHECKCONF -p max-cache-size-good.conf > checkconf.out$n 2>&1 || ret=1
+grep "max-cache-size 60%;" < checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that named-checkconf -l prints out the zone list ($n)"
+ret=0
+$CHECKCONF -l good.conf |
+grep -v "is deprecated" |
+grep -v "is not implemented" |
+grep -v "is not recommended" |
+grep -v "no longer exists" |
+grep -v "is obsolete" > checkconf.out$n || ret=1
+diff good.zonelist checkconf.out$n > diff.out$n || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that the 2010 ICANN ROOT KSK without the 2017 ICANN ROOT KSK generates a warning ($n)"
+ret=0
+$CHECKCONF check-root-ksk-2010.conf > checkconf.out$n 2>/dev/null || ret=1
+[ -s checkconf.out$n ] || ret=1
+grep "key without the updated" < checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that the 2010 ICANN ROOT KSK with the 2017 ICANN ROOT KSK does not generate a warning ($n)"
+ret=0
+$CHECKCONF check-root-ksk-both.conf > checkconf.out$n 2>/dev/null || ret=1
+[ -s checkconf.out$n ] && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that the 2017 ICANN ROOT KSK alone does not generate a warning ($n)"
+ret=0
+$CHECKCONF check-root-ksk-2017.conf > checkconf.out$n 2>/dev/null || ret=1
+[ -s checkconf.out$n ] && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that a static root key generates a warning ($n)"
+ret=0
+$CHECKCONF check-root-static-key.conf > checkconf.out$n 2>/dev/null || ret=1
+grep "static entry for the root zone WILL FAIL" checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that a static root DS trust anchor generates a warning ($n)"
+ret=0
+$CHECKCONF check-root-static-ds.conf > checkconf.out$n 2>/dev/null || ret=1
+grep "static entry for the root zone WILL FAIL" checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that a trusted-keys entry for root generates a warning ($n)"
+ret=0
+$CHECKCONF check-root-trusted-key.conf > checkconf.out$n 2>/dev/null || ret=1
+grep "trusted-keys entry for the root zone WILL FAIL" checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that using trust-anchors and managed-keys generates an error ($n)"
+ret=0
+$CHECKCONF check-mixed-keys.conf > checkconf.out$n 2>/dev/null && ret=1
+grep "use of managed-keys is not allowed" checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf kasp errors ($n)"
+ret=0
+$CHECKCONF kasp-and-other-dnssec-options.conf > checkconf.out$n 2>&1 && ret=1
+grep "'inline-signing yes;' must also be configured explicitly for zones using dnssec-policy without a configured 'allow-update' or 'update-policy'" < checkconf.out$n > /dev/null || ret=1
+grep "'auto-dnssec maintain;' cannot be configured if dnssec-policy is also set" < checkconf.out$n > /dev/null || ret=1
+grep "dnskey-sig-validity: cannot be configured if dnssec-policy is also set" < checkconf.out$n > /dev/null || ret=1
+grep "dnssec-dnskey-kskonly: cannot be configured if dnssec-policy is also set" < checkconf.out$n > /dev/null || ret=1
+grep "dnssec-secure-to-insecure: cannot be configured if dnssec-policy is also set" < checkconf.out$n > /dev/null || ret=1
+grep "dnssec-update-mode: cannot be configured if dnssec-policy is also set" < checkconf.out$n > /dev/null || ret=1
+grep "sig-validity-interval: cannot be configured if dnssec-policy is also set" < checkconf.out$n > /dev/null || ret=1
+grep "update-check-ksk: cannot be configured if dnssec-policy is also set" < checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf kasp nsec3 iterations errors ($n)"
+ret=0
+$CHECKCONF kasp-bad-nsec3-iter.conf > checkconf.out$n 2>&1 && ret=1
+grep "dnssec-policy: nsec3 iterations value 151 out of range" < checkconf.out$n > /dev/null || ret=1
+lines=$(wc -l < "checkconf.out$n")
+if [ $lines -ne 3 ]; then ret=1; fi
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf kasp nsec3 algorithm errors ($n)"
+ret=0
+$CHECKCONF kasp-bad-nsec3-alg.conf > checkconf.out$n 2>&1 && ret=1
+grep "dnssec-policy: cannot use nsec3 with algorithm 'RSASHA1'" < checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf kasp key errors ($n)"
+ret=0
+$CHECKCONF kasp-bad-keylen.conf > checkconf.out$n 2>&1 && ret=1
+grep "dnssec-policy: key with algorithm rsasha1 has invalid key length 511" < checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf kasp signatures refresh errors ($n)"
+ret=0
+$CHECKCONF kasp-bad-signatures-refresh.conf > checkconf.out$n 2>&1 && ret=1
+grep "dnssec-policy: policy 'bad-sigrefresh' signatures-refresh must be at most 90% of the signatures-validity" < checkconf.out$n > /dev/null || ret=1
+grep "dnssec-policy: policy 'bad-sigrefresh-dnskey' signatures-refresh must be at most 90% of the signatures-validity-dnskey" < checkconf.out$n > /dev/null || ret=1
+lines=$(wc -l < "checkconf.out$n")
+if [ $lines -ne 2 ]; then ret=1; fi
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf kasp key lifetime errors ($n)"
+ret=0
+$CHECKCONF kasp-bad-lifetime.conf > checkconf.out$n 2>&1 && ret=1
+lines=$(grep "dnssec-policy: key lifetime is shorter than the time it takes to do a rollover" < checkconf.out$n | wc -l) || ret=1
+if [ $lines -ne 3 ]; then ret=1; fi
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf kasp predefined key length ($n)"
+ret=0
+$CHECKCONF kasp-ignore-keylen.conf > checkconf.out$n 2>&1 || ret=1
+grep "dnssec-policy: key algorithm ecdsa256 has predefined length; ignoring length value 2048" < checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking named-checkconf kasp warns about weird policies ($n)"
+ret=0
+$CHECKCONF kasp-warning.conf > checkconf.out$n 2>&1 || ret=1
+grep "dnssec-policy: algorithm 8 has multiple keys with ZSK role" < checkconf.out$n > /dev/null || ret=1
+grep "dnssec-policy: algorithm 8 has multiple keys with ZSK role" < checkconf.out$n > /dev/null || ret=1
+grep "dnssec-policy: algorithm 13 has multiple keys with KSK role" < checkconf.out$n > /dev/null || ret=1
+grep "dnssec-policy: algorithm 13 has multiple keys with ZSK role" < checkconf.out$n > /dev/null || ret=1
+grep "dnssec-policy: key lifetime is shorter than 30 days" < checkconf.out$n > /dev/null || ret=1
+lines=$(wc -l < "checkconf.out$n")
+if [ $lines -ne 5 ]; then ret=1; fi
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that a good 'kasp' configuration is accepted ($n)"
+ret=0
+$CHECKCONF good-kasp.conf > checkconf.out$n 2>/dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that named-checkconf prints a known good kasp config ($n)"
+ret=0
+awk 'BEGIN { ok = 0; } /cut here/ { ok = 1; getline } ok == 1 { print }' good-kasp.conf > good-kasp.conf.in
+[ -s good-kasp.conf.in ] || ret=1
+$CHECKCONF -p good-kasp.conf.in | grep -v '^good-kasp.conf.in:' > good-kasp.conf.out 2>&1 || ret=1
+cmp good-kasp.conf.in good-kasp.conf.out || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that max-ixfr-ratio 100% generates a warning ($n)"
+ret=0
+$CHECKCONF warn-maxratio1.conf > checkconf.out$n 2>/dev/null || ret=1
+grep "exceeds 100%" < checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that *-source options with specified port generate warnings ($n)"
+ret=0
+$CHECKCONF warn-transfer-source.conf > checkconf.out$n 2>/dev/null || ret=1
+grep "not recommended" < checkconf.out$n > /dev/null || ret=1
+$CHECKCONF warn-notify-source.conf > checkconf.out$n 2>/dev/null || ret=1
+grep "not recommended" < checkconf.out$n > /dev/null || ret=1
+$CHECKCONF warn-parental-source.conf > checkconf.out$n 2>/dev/null || ret=1
+grep "not recommended" < checkconf.out$n > /dev/null || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that using both max-zone-ttl and dnssec-policy generates a warning ($n)"
+ret=0
+$CHECKCONF warn-kasp-max-zone-ttl.conf > checkconf.out$n 2>/dev/null || ret=1
+grep "option 'max-zone-ttl' is ignored when used together with 'dnssec-policy'" < checkconf.out$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check obsolete options generate warnings ($n)"
+ret=0
+$CHECKCONF warn-random-device.conf > checkconf.out$n 2>/dev/null || ret=1
+grep "option 'random-device' is obsolete and should be removed" < checkconf.out$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that 'check-wildcard no;' succeeds as configured ($n)"
+ret=0
+$CHECKCONF -z check-wildcard-no.conf > checkconf.out$n 2>&1 || ret=1
+grep -F "warning: ownername 'foo.*.check-wildcard' contains an non-terminal wildcard" checkconf.out$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that 'check-wildcard yes;' warns as configured ($n)"
+ret=0
+$CHECKCONF -z check-wildcard.conf > checkconf.out$n 2>&1 || ret=1
+grep -F "warning: ownername 'foo.*.check-wildcard' contains an non-terminal wildcard" checkconf.out$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/checkconf/tests_sh_checkconf.py b/bin/tests/system/checkconf/tests_sh_checkconf.py
new file mode 100644
index 0000000..3a348ba
--- /dev/null
+++ b/bin/tests/system/checkconf/tests_sh_checkconf.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_checkconf(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/checkconf/view-class-any1.conf b/bin/tests/system/checkconf/view-class-any1.conf
new file mode 100644
index 0000000..8b39456
--- /dev/null
+++ b/bin/tests/system/checkconf/view-class-any1.conf
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view "example" any { };
diff --git a/bin/tests/system/checkconf/view-class-any2.conf b/bin/tests/system/checkconf/view-class-any2.conf
new file mode 100644
index 0000000..049ccf6
--- /dev/null
+++ b/bin/tests/system/checkconf/view-class-any2.conf
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view "example" class255 { };
diff --git a/bin/tests/system/checkconf/view-class-in1.conf b/bin/tests/system/checkconf/view-class-in1.conf
new file mode 100644
index 0000000..1d203e6
--- /dev/null
+++ b/bin/tests/system/checkconf/view-class-in1.conf
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view "example" in { };
diff --git a/bin/tests/system/checkconf/view-class-in2.conf b/bin/tests/system/checkconf/view-class-in2.conf
new file mode 100644
index 0000000..38b356e
--- /dev/null
+++ b/bin/tests/system/checkconf/view-class-in2.conf
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view "example" class1 { };
diff --git a/bin/tests/system/checkconf/warn-kasp-max-zone-ttl.conf b/bin/tests/system/checkconf/warn-kasp-max-zone-ttl.conf
new file mode 100644
index 0000000..0d3139d
--- /dev/null
+++ b/bin/tests/system/checkconf/warn-kasp-max-zone-ttl.conf
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * The dnssec-policy is not defined. Should also be caught if it is inherited.
+ */
+
+options {
+	dnssec-policy default;
+};
+
+zone "example.net" {
+	type primary;
+	file "example.db";
+	inline-signing yes;
+        max-zone-ttl 600;
+};
diff --git a/bin/tests/system/checkconf/warn-keydir.conf b/bin/tests/system/checkconf/warn-keydir.conf
new file mode 100644
index 0000000..9600071
--- /dev/null
+++ b/bin/tests/system/checkconf/warn-keydir.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * key-directory defined but doesn't exist.
+ */
+options {
+	directory ".";
+};
+
+zone dummy {
+	type primary;
+	file "xxxx";
+	key-directory "test.keydir";
+};
diff --git a/bin/tests/system/checkconf/warn-maxratio1.conf b/bin/tests/system/checkconf/warn-maxratio1.conf
new file mode 100644
index 0000000..eedf263
--- /dev/null
+++ b/bin/tests/system/checkconf/warn-maxratio1.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone example {
+	type primary;
+	masterfile-format raw;
+	file "example.db";
+	max-ixfr-ratio 101%;
+};
diff --git a/bin/tests/system/checkconf/warn-notify-source.conf b/bin/tests/system/checkconf/warn-notify-source.conf
new file mode 100644
index 0000000..4d840cc
--- /dev/null
+++ b/bin/tests/system/checkconf/warn-notify-source.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	notify-source 10.53.0.1 port 100;
+};
diff --git a/bin/tests/system/checkconf/warn-parental-source.conf b/bin/tests/system/checkconf/warn-parental-source.conf
new file mode 100644
index 0000000..2bbb34b
--- /dev/null
+++ b/bin/tests/system/checkconf/warn-parental-source.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	parental-source 10.53.0.1 port 100;
+};
diff --git a/bin/tests/system/checkconf/warn-random-device.conf b/bin/tests/system/checkconf/warn-random-device.conf
new file mode 100644
index 0000000..bc1451d
--- /dev/null
+++ b/bin/tests/system/checkconf/warn-random-device.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+        random-device "/dev/urandom";
+};
diff --git a/bin/tests/system/checkconf/warn-transfer-source.conf b/bin/tests/system/checkconf/warn-transfer-source.conf
new file mode 100644
index 0000000..eb31041
--- /dev/null
+++ b/bin/tests/system/checkconf/warn-transfer-source.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port 5300;
+};
+
+zone example {
+	type secondary;
+	primaries { 1.2.3.4; };
+	transfer-source 10.53.0.1 port 100;
+};
diff --git a/bin/tests/system/checkds/README b/bin/tests/system/checkds/README
new file mode 100644
index 0000000..759c4bd
--- /dev/null
+++ b/bin/tests/system/checkds/README
@@ -0,0 +1,26 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+The test setup for the checkds tests.
+
+These servers are parent servers:
+- ns2 is a primary authoritative server that serves the parent zone for zones
+  configured in ns9.
+- ns4 is the secondary server for ns2.
+- ns5 is a primary authoritative server that serves the parent zone for zones
+  configured in ns9, but this one does not publish DS records (to test cases
+  where the DS is missing).
+- ns6 is an authoritative server for a different zone, to test badly configured
+  parental agents.
+- ns7 is the secondary server for ns5.
+
+Finally, ns9 is the authoritative server for the various DNSSEC enabled test
+domains.
diff --git a/bin/tests/system/checkds/clean.sh b/bin/tests/system/checkds/clean.sh
new file mode 100644
index 0000000..c73067f
--- /dev/null
+++ b/bin/tests/system/checkds/clean.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+rm -f dig.out*
+rm -f ns*/named.conf ns*/named.memstats ns*/named.run*
+rm -f ns*/*.jnl ns*/*.jbk
+rm -f ns*/K*.private ns*/K*.key ns*/K*.state
+rm -f ns*/dsset-*
+rm -f ns*/*.db ns*/*.jnl ns*/*.jbk ns*/*.db.signed ns*/*.db.infile
+rm -f ns*/keygen.out.* ns*/settime.out.* ns*/signer.out.*
+rm -f ns*/managed-keys.bind*
+rm -f ns*/trusted.conf
+rm -f ns*/*.mkeys
+rm -f ns*/zones
+rm -f *.checkds.out
diff --git a/bin/tests/system/checkds/ns1/named.conf.in b/bin/tests/system/checkds/ns1/named.conf.in
new file mode 100644
index 0000000..5b1c9fe
--- /dev/null
+++ b/bin/tests/system/checkds/ns1/named.conf.in
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
diff --git a/bin/tests/system/checkds/ns1/root.db.in b/bin/tests/system/checkds/ns1/root.db.in
new file mode 100644
index 0000000..b2b9924
--- /dev/null
+++ b/bin/tests/system/checkds/ns1/root.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+.			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100	; serial
+				600		; refresh
+				600		; retry
+				1200		; expire
+				600		; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+checkds.		NS	ns2.checkds.
+ns2.checkds.		A	10.53.0.2
diff --git a/bin/tests/system/checkds/ns1/setup.sh b/bin/tests/system/checkds/ns1/setup.sh
new file mode 100644
index 0000000..537fb42
--- /dev/null
+++ b/bin/tests/system/checkds/ns1/setup.sh
@@ -0,0 +1,46 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+echo_i "ns1/setup.sh"
+
+cp "../ns2/dsset-checkds." .
+
+ksk=$("$KEYGEN" -q -fk -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+zsk=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+cp "$ksk.key" "../ns10/"
+cp "$zsk.key" "../ns10/"
+cp "$ksk.private" "../ns10/"
+cp "$zsk.private" "../ns10/"
+
+cat "$infile" "$ksk.key" "$zsk.key" > "$zonefile"
+"$SIGNER" -g -o "$zone" "$zonefile" > /dev/null 2>&1
+
+(
+	cd ../ns10
+	cat "$infile" "$ksk.key" "$zsk.key" > "$zonefile"
+	"$SIGNER" -g -o "$zone" "$zonefile" > /dev/null 2>&1
+)
+
+# Configure the resolving server with a static key.
+keyfile_to_static_ds "$ksk" > trusted.conf
+cp trusted.conf ../ns3/trusted.conf
+cp trusted.conf ../ns8/trusted.conf
diff --git a/bin/tests/system/checkds/ns10/named.conf.in b/bin/tests/system/checkds/ns10/named.conf.in
new file mode 100644
index 0000000..e7e5f0c
--- /dev/null
+++ b/bin/tests/system/checkds/ns10/named.conf.in
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS10
+
+options {
+	query-source address 10.53.0.10;
+	notify-source 10.53.0.10;
+	transfer-source 10.53.0.10;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.10; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
diff --git a/bin/tests/system/checkds/ns10/root.db.in b/bin/tests/system/checkds/ns10/root.db.in
new file mode 100644
index 0000000..988d7d1
--- /dev/null
+++ b/bin/tests/system/checkds/ns10/root.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+.			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100	; serial
+				600		; refresh
+				600		; retry
+				1200		; expire
+				600		; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.10
+
+checkds.		NS	ns5.checkds.
+ns5.checkds.		A	10.53.0.5
diff --git a/bin/tests/system/checkds/ns2/named.conf.in b/bin/tests/system/checkds/ns2/named.conf.in
new file mode 100644
index 0000000..48e675c
--- /dev/null
+++ b/bin/tests/system/checkds/ns2/named.conf.in
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "checkds" {
+	type primary;
+	file "checkds.db";
+};
diff --git a/bin/tests/system/checkds/ns2/setup.sh b/bin/tests/system/checkds/ns2/setup.sh
new file mode 100644
index 0000000..3701948
--- /dev/null
+++ b/bin/tests/system/checkds/ns2/setup.sh
@@ -0,0 +1,36 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns2/setup.sh"
+
+for subdomain in dspublished reference missing-dspublished bad-dspublished \
+		 multiple-dspublished incomplete-dspublished bad2-dspublished \
+		 resolver-dspublished \
+		 dswithdrawn missing-dswithdrawn bad-dswithdrawn \
+		 multiple-dswithdrawn incomplete-dswithdrawn bad2-dswithdrawn \
+		 resolver-dswithdrawn
+do
+	cp "../ns9/dsset-$subdomain.checkds." .
+done
+
+zone="checkds"
+infile="checkds.db.infile"
+zonefile="checkds.db"
+
+CSK=$($KEYGEN -k default $zone 2> keygen.out.$zone)
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+$SIGNER -S -g -z -x -s now-1h -e now+30d -o $zone -O full -f $zonefile $infile > signer.out.$zone 2>&1
diff --git a/bin/tests/system/checkds/ns2/template.db.in b/bin/tests/system/checkds/ns2/template.db.in
new file mode 100644
index 0000000..13d814f
--- /dev/null
+++ b/bin/tests/system/checkds/ns2/template.db.in
@@ -0,0 +1,39 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@			IN	SOA  secondary.example. hostmaster.example. (
+				1       ; serial
+				20      ; refresh (20 seconds)
+				20      ; retry (20 seconds)
+				1814400 ; expire (3 weeks)
+				3600    ; minimum (1 hour)
+				)
+
+				NS	ns2
+ns2				A	10.53.0.2
+
+dspublished			NS	ns9.dspublished
+reference			NS	ns9.reference
+missing-dspublished		NS	ns9.missing-dspublished
+bad-dspublished			NS	ns9.bad-dspublished
+multiple-dspublished		NS	ns9.multiple-dspublished
+incomplete-dspublished		NS	ns9.incomplete-dspublished
+bad2-dspublished		NS	ns9.bad2-dspublished
+resolver-dspublished		NS	ns9.resolver-dspublished
+
+dswithdrawn			NS	ns9.dswithdrawn
+missing-dswithdrawn		NS	ns9.missing-dswithdrawn
+bad-dswithdrawn			NS	ns9.bad-dswithdrawn
+multiple-dswithdrawn		NS	ns9.multiple-dswithdrawn
+incomplete-dswithdrawn		NS	ns9.incomplete-dswithdrawn
+bad2-dswithdrawn		NS	ns9.bad2-dswithdrawn
+resolver-dswithdrawn		NS	ns9.resolver-dswithdrawn
diff --git a/bin/tests/system/checkds/ns3/named.conf.in b/bin/tests/system/checkds/ns3/named.conf.in
new file mode 100644
index 0000000..54bfc99
--- /dev/null
+++ b/bin/tests/system/checkds/ns3/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+options {
+	query-source address 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	session-keyfile "session.key";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/checkds/ns4/named.conf.in b/bin/tests/system/checkds/ns4/named.conf.in
new file mode 100644
index 0000000..0ca46d4
--- /dev/null
+++ b/bin/tests/system/checkds/ns4/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "checkds" {
+	type secondary;
+	file "checkds.db";
+        primaries { 10.53.0.2 port @PORT@; };
+};
diff --git a/bin/tests/system/checkds/ns5/named.conf.in b/bin/tests/system/checkds/ns5/named.conf.in
new file mode 100644
index 0000000..b7226fe
--- /dev/null
+++ b/bin/tests/system/checkds/ns5/named.conf.in
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "checkds" {
+	type primary;
+	file "checkds.db";
+};
diff --git a/bin/tests/system/checkds/ns5/setup.sh b/bin/tests/system/checkds/ns5/setup.sh
new file mode 100644
index 0000000..79d7b71
--- /dev/null
+++ b/bin/tests/system/checkds/ns5/setup.sh
@@ -0,0 +1,26 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns5/setup.sh"
+
+zone="checkds"
+infile="checkds.db.infile"
+zonefile="checkds.db"
+
+CSK=$($KEYGEN -k default $zone 2> keygen.out.$zone)
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+$SIGNER -S -g -z -x -s now-1h -e now+30d -o $zone -O full -f $zonefile $infile > signer.out.$zone 2>&1
diff --git a/bin/tests/system/checkds/ns5/template.db.in b/bin/tests/system/checkds/ns5/template.db.in
new file mode 100644
index 0000000..54e4881
--- /dev/null
+++ b/bin/tests/system/checkds/ns5/template.db.in
@@ -0,0 +1,40 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@			IN	SOA  secondary.example. hostmaster.example. (
+				1       ; serial
+				20      ; refresh (20 seconds)
+				20      ; retry (20 seconds)
+				1814400 ; expire (3 weeks)
+				3600    ; minimum (1 hour)
+				)
+
+				NS	ns5
+ns5				A	10.53.0.5
+
+dspublished			NS	ns9.dspublished
+reference			NS	ns9.reference
+missing-dspublished		NS	ns9.missing-dspublished
+bad-dspublished			NS	ns9.bad-dspublished
+multiple-dspublished		NS	ns9.multiple-dspublished
+incomplete-dspublished		NS	ns9.incomplete-dspublished
+bad2-dspublished		NS	ns9.bad2-dspublished
+resolver-dspublished		NS	ns9.resolver-dspublished
+
+dswithdrawn			NS	ns9.dswithdrawn
+missing-dswithdrawn		NS	ns9.missing-dswithdrawn
+bad-dswithdrawn			NS	ns9.bad-dswithdrawn
+multiple-dswithdrawn		NS	ns9.multiple-dswithdrawn
+incomplete-dswithdrawn		NS	ns9.incomplete-dswithdrawn
+bad2-dswithdrawn		NS	ns9.bad2-dswithdrawn
+resolver-dswithdrawn		NS	ns9.resolver-dswithdrawn
+
diff --git a/bin/tests/system/checkds/ns6/named.conf.in b/bin/tests/system/checkds/ns6/named.conf.in
new file mode 100644
index 0000000..cc226fb
--- /dev/null
+++ b/bin/tests/system/checkds/ns6/named.conf.in
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "foo" {
+	type primary;
+	file "foo.db";
+};
diff --git a/bin/tests/system/checkds/ns7/named.conf.in b/bin/tests/system/checkds/ns7/named.conf.in
new file mode 100644
index 0000000..57460c8
--- /dev/null
+++ b/bin/tests/system/checkds/ns7/named.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS7
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+        type hint;
+        file "../../common/root.hint";
+};
+
+zone "checkds" {
+	type secondary;
+	file "checkds.db";
+        primaries { 10.53.0.5 port @PORT@; };
+};
diff --git a/bin/tests/system/checkds/ns8/named.conf.in b/bin/tests/system/checkds/ns8/named.conf.in
new file mode 100644
index 0000000..5fc52aa
--- /dev/null
+++ b/bin/tests/system/checkds/ns8/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS8
+
+options {
+	query-source address 10.53.0.8;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.8; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	session-keyfile "session.key";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.8 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/checkds/ns8/root.hint b/bin/tests/system/checkds/ns8/root.hint
new file mode 100644
index 0000000..3d54373
--- /dev/null
+++ b/bin/tests/system/checkds/ns8/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.10
diff --git a/bin/tests/system/checkds/ns9/named.conf.in b/bin/tests/system/checkds/ns9/named.conf.in
new file mode 100644
index 0000000..74a5130
--- /dev/null
+++ b/bin/tests/system/checkds/ns9/named.conf.in
@@ -0,0 +1,242 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS9
+
+options {
+	query-source address 10.53.0.9;
+	notify-source 10.53.0.9;
+	transfer-source 10.53.0.9;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.9; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.9 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+parental-agents "ns2" port @PORT@ {
+	10.53.0.2;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+/*
+ * Zone with parental agent configured, due for DS checking.
+ */
+zone "dspublished.checkds" {
+	type primary;
+	file "dspublished.checkds.db";
+	inline-signing yes;
+	dnssec-policy "default";
+	parental-agents { 10.53.0.2 port @PORT@; };
+};
+
+/*
+ * Zone with parental agent configured, due for DS checking.
+ * Same as above, but now with a reference to parental-agents.
+ */
+zone "reference.checkds" {
+	type primary;
+	file "reference.checkds.db";
+	inline-signing yes;
+	dnssec-policy "default";
+	parental-agents { "ns2"; };
+};
+
+/*
+ * Zone with parental agent configured, due for DS checking.
+ * The parental agent does not have the DS yet.
+ */
+zone "missing-dspublished.checkds" {
+	type primary;
+	file "missing-dspublished.checkds.db";
+	inline-signing yes;
+	dnssec-policy "default";
+	parental-agents {
+		10.53.0.5 port @PORT@; // missing
+	};
+};
+
+
+/*
+ * Zone with parental agent configured, due for DS checking.
+ * This case, the server is badly configured.
+ */
+zone "bad-dspublished.checkds" {
+	type primary;
+	file "bad-dspublished.checkds.db";
+	inline-signing yes;
+	dnssec-policy "default";
+	parental-agents {
+		10.53.0.6 port @PORT@; // bad
+	};
+};
+
+/*
+ * Zone with multiple parental agents configured, due for DS checking.
+ * All need to have the DS before the rollover may continue.
+ */
+zone "multiple-dspublished.checkds" {
+	type primary;
+	file "multiple-dspublished.checkds.db";
+	inline-signing yes;
+	dnssec-policy "default";
+	parental-agents {
+		10.53.0.2 port @PORT@;
+		10.53.0.4 port @PORT@;
+	};
+};
+
+/*
+ * Zone with multiple parental agents configured, due for DS checking.
+ * All need to have the DS before the rollover may continue.
+ * This case, one server is still missing the DS.
+ */
+zone "incomplete-dspublished.checkds" {
+	type primary;
+	file "incomplete-dspublished.checkds.db";
+	inline-signing yes;
+	dnssec-policy "default";
+	parental-agents {
+		10.53.0.2 port @PORT@;
+		10.53.0.4 port @PORT@;
+		10.53.0.5 port @PORT@; // missing
+	};
+};
+
+
+/*
+ * Zone with multiple parental agents configured, due for DS checking.
+ * All need to have the DS before the rollover may continue.
+ * This case, one server is badly configured.
+ */
+zone "bad2-dspublished.checkds" {
+	type primary;
+	file "bad2-dspublished.checkds.db";
+	inline-signing yes;
+	dnssec-policy "default";
+	parental-agents {
+		10.53.0.2 port @PORT@;
+		10.53.0.4 port @PORT@;
+		10.53.0.6 port @PORT@; // bad
+	};
+};
+
+/*
+ * Zone with resolver parental agent configured, due for DS checking.
+ */
+zone "resolver-dspublished.checkds" {
+	type primary;
+	file "resolver-dspublished.checkds.db";
+	inline-signing yes;
+	dnssec-policy "default";
+	parental-agents {
+		10.53.0.3 port @PORT@;
+	};
+};
+
+// TODO: Other test cases:
+// - Test with bogus response
+// - check with TSIG
+// - check with TLS
+
+
+/*
+ * Zones that are going insecure (test DS withdrawn polling).
+ */
+zone "dswithdrawn.checkds" {
+	type primary;
+	file "dswithdrawn.checkds.db";
+	inline-signing yes;
+	dnssec-policy "insecure";
+	parental-agents { 10.53.0.5 port @PORT@; };
+};
+
+zone "missing-dswithdrawn.checkds" {
+	type primary;
+	file "missing-dswithdrawn.checkds.db";
+	inline-signing yes;
+	dnssec-policy "insecure";
+	parental-agents {
+		10.53.0.2 port @PORT@; // still published
+	};
+};
+
+zone "bad-dswithdrawn.checkds" {
+	type primary;
+	file "bad-dswithdrawn.checkds.db";
+	inline-signing yes;
+	dnssec-policy "insecure";
+	parental-agents {
+		10.53.0.6 port @PORT@; // bad
+	};
+};
+
+zone "multiple-dswithdrawn.checkds" {
+	type primary;
+	file "multiple-dswithdrawn.checkds.db";
+	inline-signing yes;
+	dnssec-policy "insecure";
+	parental-agents {
+		10.53.0.5 port @PORT@;
+		10.53.0.7 port @PORT@;
+	};
+};
+
+zone "incomplete-dswithdrawn.checkds" {
+	type primary;
+	file "incomplete-dswithdrawn.checkds.db";
+	inline-signing yes;
+	dnssec-policy "insecure";
+	parental-agents {
+		10.53.0.2 port @PORT@; // still published
+		10.53.0.5 port @PORT@;
+		10.53.0.7 port @PORT@;
+	};
+};
+
+zone "bad2-dswithdrawn.checkds" {
+	type primary;
+	file "bad2-dswithdrawn.checkds.db";
+	inline-signing yes;
+	dnssec-policy "insecure";
+	parental-agents {
+		10.53.0.5 port @PORT@;
+		10.53.0.7 port @PORT@;
+		10.53.0.6 port @PORT@; // bad
+	};
+};
+
+zone "resolver-dswithdrawn.checkds" {
+	type primary;
+	file "resolver-dswithdrawn.checkds.db";
+	inline-signing yes;
+	dnssec-policy "default";
+	parental-agents {
+		10.53.0.8 port @PORT@;
+	};
+};
diff --git a/bin/tests/system/checkds/ns9/setup.sh b/bin/tests/system/checkds/ns9/setup.sh
new file mode 100644
index 0000000..e4d1586
--- /dev/null
+++ b/bin/tests/system/checkds/ns9/setup.sh
@@ -0,0 +1,63 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns9/setup.sh"
+
+setup() {
+	zone="$1"
+	echo_i "setting up zone: $zone"
+	zonefile="${zone}.db"
+	infile="${zone}.db.infile"
+	echo "$zone" >> zones
+}
+
+# Short environment variable names for key states and times.
+H="HIDDEN"
+R="RUMOURED"
+O="OMNIPRESENT"
+U="UNRETENTIVE"
+T="now-30d"
+Y="now-1y"
+
+# DS Publication.
+for zn in dspublished reference missing-dspublished bad-dspublished \
+	  multiple-dspublished incomplete-dspublished bad2-dspublished resolver-dspublished
+do
+	setup "${zn}.checkds"
+	cp template.db.in "$zonefile"
+	keytimes="-P $T -P sync $T -A $T"
+	CSK=$($KEYGEN -k default $keytimes $zone 2> keygen.out.$zone)
+	$SETTIME -s -g $O -k $O $T -r $O $T -z $O $T -d $R $T "$CSK" > settime.out.$zone 2>&1
+	cat template.db.in "${CSK}.key" > "$infile"
+	private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+	cp $infile $zonefile
+	$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+done
+
+# DS Withdrawal.
+for zn in dswithdrawn missing-dswithdrawn bad-dswithdrawn multiple-dswithdrawn \
+	  incomplete-dswithdrawn bad2-dswithdrawn resolver-dswithdrawn
+do
+	setup "${zn}.checkds"
+	cp template.db.in "$zonefile"
+	keytimes="-P $Y -P sync $Y -A $Y"
+	CSK=$($KEYGEN -k default $keytimes $zone 2> keygen.out.$zone)
+	$SETTIME -s -g $H -k $O $T -r $O $T -z $O $T -d $U $T "$CSK" > settime.out.$zone 2>&1
+	cat template.db.in "${CSK}.key" > "$infile"
+	private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+	cp $infile $zonefile
+	$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+done
diff --git a/bin/tests/system/checkds/ns9/template.db.in b/bin/tests/system/checkds/ns9/template.db.in
new file mode 100644
index 0000000..cf06015
--- /dev/null
+++ b/bin/tests/system/checkds/ns9/template.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns9
+ns9			A	10.53.0.9
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+
diff --git a/bin/tests/system/checkds/setup.sh b/bin/tests/system/checkds/setup.sh
new file mode 100644
index 0000000..828b2e6
--- /dev/null
+++ b/bin/tests/system/checkds/setup.sh
@@ -0,0 +1,48 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+copy_setports ns8/named.conf.in ns8/named.conf
+copy_setports ns9/named.conf.in ns9/named.conf
+copy_setports ns10/named.conf.in ns10/named.conf
+
+# Setup zones
+(
+	cd ns9
+	$SHELL setup.sh
+)
+(
+	cd ns5
+	$SHELL setup.sh
+)
+(
+	cd ns2
+	$SHELL setup.sh
+)
+(
+	cd ns1
+	$SHELL setup.sh
+)
diff --git a/bin/tests/system/checkds/tests_checkds.py b/bin/tests/system/checkds/tests_checkds.py
new file mode 100755
index 0000000..5f9ae73
--- /dev/null
+++ b/bin/tests/system/checkds/tests_checkds.py
@@ -0,0 +1,470 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import mmap
+import os
+import subprocess
+import sys
+import time
+
+import pytest
+
+pytest.importorskip("dns", minversion="2.0.0")
+import dns.exception
+import dns.message
+import dns.name
+import dns.query
+import dns.rcode
+import dns.rdataclass
+import dns.rdatatype
+import dns.resolver
+
+
+pytestmark = pytest.mark.skipif(
+    sys.version_info < (3, 7), reason="Python >= 3.7 required [GL #3001]"
+)
+
+
+def has_signed_apex_nsec(zone, response):
+    has_nsec = False
+    has_rrsig = False
+
+    ttl = 300
+    nextname = "a."
+    types = "NS SOA RRSIG NSEC DNSKEY"
+    match = "{0} {1} IN NSEC {2}{0} {3}".format(zone, ttl, nextname, types)
+    sig = "{0} {1} IN RRSIG NSEC 13 2 300".format(zone, ttl)
+
+    for rr in response.answer:
+        if match in rr.to_text():
+            has_nsec = True
+        if sig in rr.to_text():
+            has_rrsig = True
+
+    if not has_nsec:
+        print("error: missing apex NSEC record in response")
+    if not has_rrsig:
+        print("error: missing NSEC signature in response")
+
+    return has_nsec and has_rrsig
+
+
+def do_query(server, qname, qtype, tcp=False):
+    query = dns.message.make_query(qname, qtype, use_edns=True, want_dnssec=True)
+    try:
+        if tcp:
+            response = dns.query.tcp(
+                query, server.nameservers[0], timeout=3, port=server.port
+            )
+        else:
+            response = dns.query.udp(
+                query, server.nameservers[0], timeout=3, port=server.port
+            )
+    except dns.exception.Timeout:
+        print(
+            "error: query timeout for query {} {} to {}".format(
+                qname, qtype, server.nameservers[0]
+            )
+        )
+        return None
+
+    return response
+
+
+def verify_zone(zone, transfer):
+    verify = os.getenv("VERIFY")
+    assert verify is not None
+
+    filename = "{}out".format(zone)
+    with open(filename, "w", encoding="utf-8") as file:
+        for rr in transfer.answer:
+            file.write(rr.to_text())
+            file.write("\n")
+
+    # dnssec-verify command with default arguments.
+    verify_cmd = [verify, "-z", "-o", zone, filename]
+
+    verifier = subprocess.run(verify_cmd, capture_output=True, check=True)
+
+    if verifier.returncode != 0:
+        print("error: dnssec-verify {} failed".format(zone))
+        sys.stderr.buffer.write(verifier.stderr)
+
+    return verifier.returncode == 0
+
+
+def read_statefile(server, zone):
+    addr = server.nameservers[0]
+    count = 0
+    keyid = 0
+    state = {}
+
+    response = do_query(server, zone, "DS", tcp=True)
+    if not isinstance(response, dns.message.Message):
+        print("error: no response for {} DS from {}".format(zone, addr))
+        return {}
+
+    if response.rcode() == dns.rcode.NOERROR:
+        # fetch key id from response.
+        for rr in response.answer:
+            if rr.match(
+                dns.name.from_text(zone),
+                dns.rdataclass.IN,
+                dns.rdatatype.DS,
+                dns.rdatatype.NONE,
+            ):
+                if count == 0:
+                    keyid = list(dict(rr.items).items())[0][0].key_tag
+                count += 1
+
+        if count != 1:
+            print(
+                "error: expected a single DS in response for {} from {},"
+                "got {}".format(zone, addr, count)
+            )
+            return {}
+    else:
+        print(
+            "error: {} response for {} DNSKEY from {}".format(
+                dns.rcode.to_text(response.rcode()), zone, addr
+            )
+        )
+        return {}
+
+    filename = "ns9/K{}+013+{:05d}.state".format(zone, keyid)
+    print("read state file {}".format(filename))
+
+    try:
+        with open(filename, "r", encoding="utf-8") as file:
+            for line in file:
+                if line.startswith(";"):
+                    continue
+                key, val = line.strip().split(":", 1)
+                state[key.strip()] = val.strip()
+
+    except FileNotFoundError:
+        # file may not be written just yet.
+        return {}
+
+    return state
+
+
+def zone_check(server, zone):
+    addr = server.nameservers[0]
+
+    # wait until zone is fully signed.
+    signed = False
+    for _ in range(10):
+        response = do_query(server, zone, "NSEC")
+        if not isinstance(response, dns.message.Message):
+            print("error: no response for {} NSEC from {}".format(zone, addr))
+        elif response.rcode() == dns.rcode.NOERROR:
+            signed = has_signed_apex_nsec(zone, response)
+        else:
+            print(
+                "error: {} response for {} NSEC from {}".format(
+                    dns.rcode.to_text(response.rcode()), zone, addr
+                )
+            )
+
+        if signed:
+            break
+
+        time.sleep(1)
+
+    assert signed
+
+    # check if zone if DNSSEC valid.
+    verified = False
+    transfer = do_query(server, zone, "AXFR", tcp=True)
+    if not isinstance(transfer, dns.message.Message):
+        print("error: no response for {} AXFR from {}".format(zone, addr))
+    elif transfer.rcode() == dns.rcode.NOERROR:
+        verified = verify_zone(zone, transfer)
+    else:
+        print(
+            "error: {} response for {} AXFR from {}".format(
+                dns.rcode.to_text(transfer.rcode()), zone, addr
+            )
+        )
+
+    assert verified
+
+
+def keystate_check(server, zone, key):
+    val = 0
+    deny = False
+
+    search = key
+    if key.startswith("!"):
+        deny = True
+        search = key[1:]
+
+    for _ in range(10):
+        state = read_statefile(server, zone)
+        try:
+            val = state[search]
+        except KeyError:
+            pass
+
+        if not deny and val != 0:
+            break
+        if deny and val == 0:
+            break
+
+        time.sleep(1)
+
+    if deny:
+        assert val == 0
+    else:
+        assert val != 0
+
+
+def wait_for_log(filename, log):
+    found = False
+
+    for _ in range(10):
+        print("read log file {}".format(filename))
+
+        try:
+            with open(filename, "r", encoding="utf-8") as file:
+                s = mmap.mmap(file.fileno(), 0, access=mmap.ACCESS_READ)
+                if s.find(bytes(log, "ascii")) != -1:
+                    found = True
+        except FileNotFoundError:
+            print("file not found {}".format(filename))
+
+        if found:
+            break
+
+        print("sleep")
+        time.sleep(1)
+
+    assert found
+
+
+def test_checkds_dspublished(named_port):
+    # We create resolver instances that will be used to send queries.
+    server = dns.resolver.Resolver()
+    server.nameservers = ["10.53.0.9"]
+    server.port = named_port
+
+    parent = dns.resolver.Resolver()
+    parent.nameservers = ["10.53.0.2"]
+    parent.port = named_port
+
+    # DS correctly published in parent.
+    zone_check(server, "dspublished.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone dspublished.checkds/IN (signed): checkds: DS response from 10.53.0.2",
+    )
+    keystate_check(parent, "dspublished.checkds.", "DSPublish")
+
+    # DS correctly published in parent (reference to parental-agent).
+    zone_check(server, "reference.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone reference.checkds/IN (signed): checkds: DS response from 10.53.0.2",
+    )
+    keystate_check(parent, "reference.checkds.", "DSPublish")
+
+    # DS not published in parent.
+    zone_check(server, "missing-dspublished.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone missing-dspublished.checkds/IN (signed): checkds: "
+        "empty DS response from 10.53.0.5",
+    )
+    keystate_check(parent, "missing-dspublished.checkds.", "!DSPublish")
+
+    # Badly configured parent.
+    zone_check(server, "bad-dspublished.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone bad-dspublished.checkds/IN (signed): checkds: "
+        "bad DS response from 10.53.0.6",
+    )
+    keystate_check(parent, "bad-dspublished.checkds.", "!DSPublish")
+
+    # TBD: DS published in parent, but bogus signature.
+
+    # DS correctly published in all parents.
+    zone_check(server, "multiple-dspublished.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone multiple-dspublished.checkds/IN (signed): checkds: "
+        "DS response from 10.53.0.2",
+    )
+    wait_for_log(
+        "ns9/named.run",
+        "zone multiple-dspublished.checkds/IN (signed): checkds: "
+        "DS response from 10.53.0.4",
+    )
+    keystate_check(parent, "multiple-dspublished.checkds.", "DSPublish")
+
+    # DS published in only one of multiple parents.
+    zone_check(server, "incomplete-dspublished.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone incomplete-dspublished.checkds/IN (signed): checkds: "
+        "DS response from 10.53.0.2",
+    )
+    wait_for_log(
+        "ns9/named.run",
+        "zone incomplete-dspublished.checkds/IN (signed): checkds: "
+        "DS response from 10.53.0.4",
+    )
+    wait_for_log(
+        "ns9/named.run",
+        "zone incomplete-dspublished.checkds/IN (signed): checkds: "
+        "empty DS response from 10.53.0.5",
+    )
+    keystate_check(parent, "incomplete-dspublished.checkds.", "!DSPublish")
+
+    # One of the parents is badly configured.
+    zone_check(server, "bad2-dswithdrawn.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone bad2-dspublished.checkds/IN (signed): checkds: "
+        "DS response from 10.53.0.2",
+    )
+    wait_for_log(
+        "ns9/named.run",
+        "zone bad2-dspublished.checkds/IN (signed): checkds: "
+        "DS response from 10.53.0.4",
+    )
+    wait_for_log(
+        "ns9/named.run",
+        "zone bad2-dspublished.checkds/IN (signed): checkds: "
+        "bad DS response from 10.53.0.6",
+    )
+    keystate_check(parent, "bad2-dspublished.checkds.", "!DSPublish")
+
+    # Check with resolver parental-agent.
+    zone_check(server, "resolver-dspublished.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone resolver-dspublished.checkds/IN (signed): checkds: "
+        "DS response from 10.53.0.3",
+    )
+    keystate_check(parent, "resolver-dspublished.checkds.", "DSPublish")
+
+    # TBD: DS published in all parents, but one has bogus signature.
+
+    # TBD: Check with TSIG
+
+    # TBD: Check with TLS
+
+
+def test_checkds_dswithdrawn(named_port):
+    # We create resolver instances that will be used to send queries.
+    server = dns.resolver.Resolver()
+    server.nameservers = ["10.53.0.9"]
+    server.port = named_port
+
+    parent = dns.resolver.Resolver()
+    parent.nameservers = ["10.53.0.2"]
+    parent.port = named_port
+
+    # DS correctly published in single parent.
+    zone_check(server, "dswithdrawn.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone dswithdrawn.checkds/IN (signed): checkds: "
+        "empty DS response from 10.53.0.5",
+    )
+    keystate_check(parent, "dswithdrawn.checkds.", "DSRemoved")
+
+    # DS not withdrawn from parent.
+    zone_check(server, "missing-dswithdrawn.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone missing-dswithdrawn.checkds/IN (signed): checkds: "
+        "DS response from 10.53.0.2",
+    )
+    keystate_check(parent, "missing-dswithdrawn.checkds.", "!DSRemoved")
+
+    # Badly configured parent.
+    zone_check(server, "bad-dswithdrawn.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone bad-dswithdrawn.checkds/IN (signed): checkds: "
+        "bad DS response from 10.53.0.6",
+    )
+    keystate_check(parent, "bad-dswithdrawn.checkds.", "!DSRemoved")
+
+    # TBD: DS published in parent, but bogus signature.
+
+    # DS correctly withdrawn from all parents.
+    zone_check(server, "multiple-dswithdrawn.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone multiple-dswithdrawn.checkds/IN (signed): checkds: "
+        "empty DS response from 10.53.0.5",
+    )
+    wait_for_log(
+        "ns9/named.run",
+        "zone multiple-dswithdrawn.checkds/IN (signed): checkds: "
+        "empty DS response from 10.53.0.7",
+    )
+    keystate_check(parent, "multiple-dswithdrawn.checkds.", "DSRemoved")
+
+    # DS withdrawn from only one of multiple parents.
+    zone_check(server, "incomplete-dswithdrawn.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone incomplete-dswithdrawn.checkds/IN (signed): checkds: "
+        "DS response from 10.53.0.2",
+    )
+    wait_for_log(
+        "ns9/named.run",
+        "zone incomplete-dswithdrawn.checkds/IN (signed): checkds: "
+        "empty DS response from 10.53.0.5",
+    )
+    wait_for_log(
+        "ns9/named.run",
+        "zone incomplete-dswithdrawn.checkds/IN (signed): checkds: "
+        "empty DS response from 10.53.0.7",
+    )
+    keystate_check(parent, "incomplete-dswithdrawn.checkds.", "!DSRemoved")
+
+    # One of the parents is badly configured.
+    zone_check(server, "bad2-dswithdrawn.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone bad2-dswithdrawn.checkds/IN (signed): checkds: "
+        "empty DS response from 10.53.0.5",
+    )
+    wait_for_log(
+        "ns9/named.run",
+        "zone bad2-dswithdrawn.checkds/IN (signed): checkds: "
+        "empty DS response from 10.53.0.7",
+    )
+    wait_for_log(
+        "ns9/named.run",
+        "zone bad2-dswithdrawn.checkds/IN (signed): checkds: "
+        "bad DS response from 10.53.0.6",
+    )
+    keystate_check(parent, "bad2-dswithdrawn.checkds.", "!DSRemoved")
+
+    # Check with resolver parental-agent.
+    zone_check(server, "resolver-dswithdrawn.checkds.")
+    wait_for_log(
+        "ns9/named.run",
+        "zone resolver-dswithdrawn.checkds/IN (signed): checkds: "
+        "empty DS response from 10.53.0.8",
+    )
+    keystate_check(parent, "resolver-dswithdrawn.checkds.", "DSRemoved")
+
+    # TBD: DS withdrawn from all parents, but one has bogus signature.
diff --git a/bin/tests/system/checknames/clean.sh b/bin/tests/system/checknames/clean.sh
new file mode 100644
index 0000000..fcbd504
--- /dev/null
+++ b/bin/tests/system/checknames/clean.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns*/named.conf
+rm -f dig.out.ns?.test*
+rm -f nsupdate.out.test*
+rm -f ns1/*.example.db
+rm -f ns1/*.update.db
+rm -f ns1/*.update.db.jnl
+rm -f ns4/*.update.db
+rm -f ns4/*.update.db.jnl
+rm -f ns5/*.update.db
+rm -f ns5/*.update.db.jnl
+rm -f */named.memstats
+rm -f */named.run
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/checknames/ns1/fail.example.db.in b/bin/tests/system/checknames/ns1/fail.example.db.in
new file mode 100644
index 0000000..c4c06c3
--- /dev/null
+++ b/bin/tests/system/checknames/ns1/fail.example.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@	SOA ns1.fail.example. hostmaster.fail.example. (
+	    1 3600 1200 604800 3600 )
+	NS  ns1.fail.example.
+ns1.fail.example. A 10.53.0.1
+xx_xx.fail.example. A 127.0.0.1
diff --git a/bin/tests/system/checknames/ns1/fail.update.db.in b/bin/tests/system/checknames/ns1/fail.update.db.in
new file mode 100644
index 0000000..a360cfd
--- /dev/null
+++ b/bin/tests/system/checknames/ns1/fail.update.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@	SOA ns1.fail.update. hostmaster.fail.update. (
+	    1 3600 1200 604800 3600 )
+	NS  ns1.fail.update.
+ns1.fail.update. A 10.53.0.1
diff --git a/bin/tests/system/checknames/ns1/ignore.example.db.in b/bin/tests/system/checknames/ns1/ignore.example.db.in
new file mode 100644
index 0000000..148fa6a
--- /dev/null
+++ b/bin/tests/system/checknames/ns1/ignore.example.db.in
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@	SOA ns1.ignore.example. hostmaster.ignore.example. (
+	    1 3600 1200 604800 3600 )
+	NS  ns1.ignore.example.
+ns1.ignore.example. A 10.53.0.1
+yy_yy.ignore.example. A 10.53.0.1
+mx.ignore.example. MX 10 zz_zz.ignore.example.
diff --git a/bin/tests/system/checknames/ns1/ignore.update.db.in b/bin/tests/system/checknames/ns1/ignore.update.db.in
new file mode 100644
index 0000000..0925cef
--- /dev/null
+++ b/bin/tests/system/checknames/ns1/ignore.update.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@	SOA ns1.ignore.update. hostmaster.ignore.update. (
+	    1 3600 1200 604800 3600 )
+	NS  ns1.ignore.update.
+ns1.ignore.update. A 10.53.0.1
diff --git a/bin/tests/system/checknames/ns1/named.conf.in b/bin/tests/system/checknames/ns1/named.conf.in
new file mode 100644
index 0000000..a6a3a66
--- /dev/null
+++ b/bin/tests/system/checknames/ns1/named.conf.in
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	check-integrity no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "ignore.example" {
+	type primary;
+	file "ignore.example.db";
+	check-names ignore;
+};
+
+zone "warn.example" {
+	type primary;
+	file "warn.example.db";
+	check-names warn;
+};
+
+zone "fail.example" {
+	type primary;
+	file "fail.example.db";
+	check-names fail;
+};
+
+zone "ignore.update" {
+	type primary;
+	file "ignore.update.db";
+	allow-update { any; };
+	check-names ignore;
+};
+
+zone "warn.update" {
+	type primary;
+	file "warn.update.db";
+	allow-update { any; };
+	check-names warn;
+};
+
+zone "fail.update" {
+	type primary;
+	file "fail.update.db";
+	allow-update { any; };
+	check-names fail;
+};
diff --git a/bin/tests/system/checknames/ns1/root.db b/bin/tests/system/checknames/ns1/root.db
new file mode 100644
index 0000000..bc026a5
--- /dev/null
+++ b/bin/tests/system/checknames/ns1/root.db
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@	SOA ns1. hostmaster.warn.example. (
+	    1 3600 1200 604800 3600 )
+	NS  ns1.
+ns1. A 10.53.0.1
+;
+ignore.example. NS ns1.ignore.example.
+ns1.ignore.example. A 10.53.0.1
+warn.example. NS ns1.warn.example.
+ns1.warn.example. A 10.53.0.1
+fail.example. NS ns1.fail.example.
+ns1.fail.example. A 10.53.0.1
+;
+ignore.update. NS ns1.ignore.update.
+ns1.ignore.update. A 10.53.0.1
+warn.update. NS ns1.warn.update.
+ns1.warn.update. A 10.53.0.1
+fail.update. NS ns1.fail.update.
+ns1.fail.update. A 10.53.0.1
diff --git a/bin/tests/system/checknames/ns1/warn.example.db.in b/bin/tests/system/checknames/ns1/warn.example.db.in
new file mode 100644
index 0000000..7b636fd
--- /dev/null
+++ b/bin/tests/system/checknames/ns1/warn.example.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@	SOA ns1.warn.example. hostmaster.warn.example. (
+	    1 3600 1200 604800 3600 )
+	NS  ns1.warn.example.
+ns1.warn.example. A 10.53.0.1
+xx_xx.warn.example. A 10.53.0.1
diff --git a/bin/tests/system/checknames/ns1/warn.update.db.in b/bin/tests/system/checknames/ns1/warn.update.db.in
new file mode 100644
index 0000000..9a9af97
--- /dev/null
+++ b/bin/tests/system/checknames/ns1/warn.update.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@	SOA ns1.warn.update. hostmaster.warn.update. (
+	    1 3600 1200 604800 3600 )
+	NS  ns1.warn.update.
+ns1.warn.update. A 10.53.0.1
diff --git a/bin/tests/system/checknames/ns2/named.conf.in b/bin/tests/system/checknames/ns2/named.conf.in
new file mode 100644
index 0000000..3ba62e1
--- /dev/null
+++ b/bin/tests/system/checknames/ns2/named.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	check-names response warn;
+	notify yes;
+};
+
+zone "." {
+	type hint;
+	file "root.hints";
+};
diff --git a/bin/tests/system/checknames/ns2/root.hints b/bin/tests/system/checknames/ns2/root.hints
new file mode 100644
index 0000000..5e89d74
--- /dev/null
+++ b/bin/tests/system/checknames/ns2/root.hints
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. NS  ns1.
+ns1. A 10.53.0.1
diff --git a/bin/tests/system/checknames/ns3/named.conf.in b/bin/tests/system/checknames/ns3/named.conf.in
new file mode 100644
index 0000000..7c0cacb
--- /dev/null
+++ b/bin/tests/system/checknames/ns3/named.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	check-names response fail;
+	notify yes;
+};
+
+zone "." {
+	type hint;
+	file "root.hints";
+};
diff --git a/bin/tests/system/checknames/ns3/root.hints b/bin/tests/system/checknames/ns3/root.hints
new file mode 100644
index 0000000..5e89d74
--- /dev/null
+++ b/bin/tests/system/checknames/ns3/root.hints
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. NS  ns1.
+ns1. A 10.53.0.1
diff --git a/bin/tests/system/checknames/ns4/named.conf.in b/bin/tests/system/checknames/ns4/named.conf.in
new file mode 100644
index 0000000..f0cb870
--- /dev/null
+++ b/bin/tests/system/checknames/ns4/named.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	check-names primary ignore;
+	check-names secondary ignore;
+	notify yes;
+};
+
+zone "." {
+	type hint;
+	file "root.hints";
+};
+
+zone "primary-ignore.update" {
+	type primary;
+	file "primary-ignore.update.db";
+	allow-update { any; };
+};
+
+zone "master-ignore.update" {
+	type secondary;
+	primaries { 10.53.0.5; };
+	file "secondary-ignore.update.db";
+};
diff --git a/bin/tests/system/checknames/ns4/primary-ignore.update.db.in b/bin/tests/system/checknames/ns4/primary-ignore.update.db.in
new file mode 100644
index 0000000..b343cb1
--- /dev/null
+++ b/bin/tests/system/checknames/ns4/primary-ignore.update.db.in
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@	SOA ns4 hostmaster.ignore.update. (
+	    1 3600 1200 604800 3600 )
+	NS  ns4
+	NS  ns5
+ns4	A   10.53.0.4
+ns5	A   10.53.0.5
diff --git a/bin/tests/system/checknames/ns4/root.hints b/bin/tests/system/checknames/ns4/root.hints
new file mode 100644
index 0000000..5e89d74
--- /dev/null
+++ b/bin/tests/system/checknames/ns4/root.hints
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. NS  ns1.
+ns1. A 10.53.0.1
diff --git a/bin/tests/system/checknames/ns5/master-ignore.update.db.in b/bin/tests/system/checknames/ns5/master-ignore.update.db.in
new file mode 100644
index 0000000..1057248
--- /dev/null
+++ b/bin/tests/system/checknames/ns5/master-ignore.update.db.in
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@	SOA ns5. hostmaster.ignore.update. (
+	    1 3600 1200 604800 3600 )
+	NS  ns4
+	NS  ns5
+ns4	A   10.53.0.4
+ns5	A   10.53.0.5
diff --git a/bin/tests/system/checknames/ns5/named.conf.in b/bin/tests/system/checknames/ns5/named.conf.in
new file mode 100644
index 0000000..1797aa1
--- /dev/null
+++ b/bin/tests/system/checknames/ns5/named.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	check-names master ignore;
+	check-names slave ignore;
+	notify yes;
+};
+
+zone "." {
+	type hint;
+	file "root.hints";
+};
+
+zone "master-ignore.update" {
+	type primary;
+	file "master-ignore.update.db";
+	allow-update { any; };
+};
+
+zone "primary-ignore.update" {
+	type secondary;
+	primaries { 10.53.0.4; };
+	file "primary-ignore.update.db";
+};
diff --git a/bin/tests/system/checknames/ns5/root.hints b/bin/tests/system/checknames/ns5/root.hints
new file mode 100644
index 0000000..5e89d74
--- /dev/null
+++ b/bin/tests/system/checknames/ns5/root.hints
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. NS  ns1.
+ns1. A 10.53.0.1
diff --git a/bin/tests/system/checknames/setup.sh b/bin/tests/system/checknames/setup.sh
new file mode 100644
index 0000000..d80e746
--- /dev/null
+++ b/bin/tests/system/checknames/setup.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+
+cp ns1/ignore.example.db.in ns1/ignore.example.db
+cp ns1/warn.example.db.in ns1/warn.example.db
+cp ns1/fail.example.db.in ns1/fail.example.db
+
+cp ns1/ignore.update.db.in ns1/ignore.update.db
+cp ns1/warn.update.db.in ns1/warn.update.db
+cp ns1/fail.update.db.in ns1/fail.update.db
+
+cp ns4/primary-ignore.update.db.in ns4/primary-ignore.update.db
+
+cp ns5/master-ignore.update.db.in ns5/master-ignore.update.db
diff --git a/bin/tests/system/checknames/tests.sh b/bin/tests/system/checknames/tests.sh
new file mode 100644
index 0000000..47ba801
--- /dev/null
+++ b/bin/tests/system/checknames/tests.sh
@@ -0,0 +1,192 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=1
+
+DIGOPTS="+tcp +noadd +nosea +nostat +nocmd -p ${PORT}"
+
+wait_for_record () {
+	$DIG $DIGOPTS "$1" "$2" "$3" > "$4" || return 1
+	grep NOERROR "$4" > /dev/null || return 1
+	return 0
+}
+
+# Entry should exist.
+echo_i "check for failure from on zone load for 'check-names fail;' ($n)"
+ret=0
+$DIG $DIGOPTS fail.example. @10.53.0.1 a > dig.out.ns1.test$n || ret=1
+grep SERVFAIL dig.out.ns1.test$n > /dev/null || ret=1
+grep 'xx_xx.fail.example: bad owner name (check-names)' ns1/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# Entry should exist.
+echo_i "check for warnings from on zone load for 'check-names warn;' ($n)"
+ret=0
+grep 'xx_xx.warn.example: bad owner name (check-names)' ns1/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# Entry should not exist.
+echo_i "check for warnings from on zone load for 'check-names ignore;' ($n)"
+ret=1
+grep 'yy_yy.ignore.example: bad owner name (check-names)' ns1/named.run || ret=0
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# Entry should exist
+echo_i "check that 'check-names response warn;' works ($n)"
+ret=0
+$DIG $DIGOPTS +noauth yy_yy.ignore.example. @10.53.0.1 a > dig.out.ns1.test$n || ret=1
+$DIG $DIGOPTS +noauth yy_yy.ignore.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+digcomp dig.out.ns1.test$n dig.out.ns2.test$n || ret=1
+grep "check-names warning yy_yy.ignore.example/A/IN" ns2/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# Entry should exist
+echo_i "check that 'check-names response (owner) fails;' works ($n)"
+ret=0
+$DIG $DIGOPTS yy_yy.ignore.example. @10.53.0.1 a > dig.out.ns1.test$n || ret=1
+$DIG $DIGOPTS yy_yy.ignore.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+grep NOERROR dig.out.ns1.test$n > /dev/null || ret=1
+grep REFUSED dig.out.ns3.test$n > /dev/null || ret=1
+grep "check-names failure yy_yy.ignore.example/A/IN" ns3/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# Entry should exist
+echo_i "check that 'check-names response (rdata) fails;' works ($n)"
+ret=0
+$DIG $DIGOPTS mx.ignore.example. @10.53.0.1 MX > dig.out.ns1.test$n || ret=1
+$DIG $DIGOPTS mx.ignore.example. @10.53.0.3 MX > dig.out.ns3.test$n || ret=1
+grep NOERROR dig.out.ns1.test$n > /dev/null || ret=1
+grep SERVFAIL dig.out.ns3.test$n > /dev/null || ret=1
+grep "check-names failure mx.ignore.example/MX/IN" ns3/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "check that updates to 'check-names fail;' are rejected ($n)"
+ret=0
+not=1
+$NSUPDATE -d <<END > nsupdate.out.test$n 2>&1 || not=0
+check-names off
+server 10.53.0.1 ${PORT}
+update add xxx_xxx.fail.update. 600 A 10.10.10.1
+send
+END
+if [ $not != 0 ]; then ret=1; fi
+$DIG $DIGOPTS xxx_xxx.fail.update @10.53.0.1 A > dig.out.ns1.test$n || ret=1
+grep "xxx_xxx.fail.update/A: bad owner name (check-names)" ns1/named.run > /dev/null || ret=1
+grep NXDOMAIN dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "check that updates to 'check-names warn;' succeed and are logged ($n)"
+ret=0
+$NSUPDATE -d <<END > nsupdate.out.test$n  2>&1|| ret=1
+check-names off
+server 10.53.0.1 ${PORT}
+update add xxx_xxx.warn.update. 600 A 10.10.10.1
+send
+END
+$DIG $DIGOPTS xxx_xxx.warn.update @10.53.0.1 A > dig.out.ns1.test$n || ret=1
+grep "xxx_xxx.warn.update/A: bad owner name (check-names)" ns1/named.run > /dev/null || ret=1
+grep NOERROR dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "check that updates to 'check-names ignore;' succeed and are not logged ($n)"
+ret=0
+not=1
+$NSUPDATE -d <<END > nsupdate.out.test$n 2>&1 || ret=1
+check-names off
+server 10.53.0.1 ${PORT}
+update add xxx_xxx.ignore.update. 600 A 10.10.10.1
+send
+END
+grep "xxx_xxx.ignore.update/A.*(check-names)" ns1/named.run > /dev/null || not=0
+if [ $not != 0 ]; then ret=1; fi
+$DIG $DIGOPTS xxx_xxx.ignore.update @10.53.0.1 A > dig.out.ns1.test$n || ret=1
+grep NOERROR dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "check that updates to 'check-names primary ignore;' succeed and are not logged ($n)"
+ret=0
+not=1
+$NSUPDATE -d <<END > nsupdate.out.test$n 2>&1 || ret=1
+check-names off
+server 10.53.0.4 ${PORT}
+update add xxx_xxx.primary-ignore.update. 600 A 10.10.10.1
+send
+END
+grep "xxx_xxx.primary-ignore.update/A.*(check-names)" ns4/named.run > /dev/null || not=0
+if [ $not != 0 ]; then ret=1; fi
+$DIG $DIGOPTS xxx_xxx.primary-ignore.update @10.53.0.4 A > dig.out.ns4.test$n || ret=1
+grep NOERROR dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "check that updates to 'check-names master ignore;' succeed and are not logged ($n)"
+ret=0
+not=1
+$NSUPDATE -d <<END > nsupdate.out.test$n 2>&1 || ret=1
+check-names off
+server 10.53.0.5 ${PORT}
+update add xxx_xxx.master-ignore.update. 600 A 10.10.10.1
+send
+END
+grep "xxx_xxx.master-ignore.update/A.*(check-names)" ns5/named.run > /dev/null || not=0
+if [ $not != 0 ]; then ret=1; fi
+$DIG $DIGOPTS xxx_xxx.master-ignore.update @10.53.0.5 A > dig.out.ns5.test$n || ret=1
+grep NOERROR dig.out.ns5.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+n=$((n+1))
+
+echo_i "check that updates to 'check-names secondary ignore;' succeed and are not logged ($n)"
+ret=0
+# takes a while for the transfer to succeed as ns5 (primary) is started after ns4 (secondary)
+# and the zone is still loading when we get to this point.
+retry_quiet 35 wait_for_record xxx_xxx.master-ignore.update @10.53.0.4 A dig.out.ns4.test$n || ret=1
+grep "xxx_xxx.master-ignore.update/A.*(check-names)" ns4/named.run > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "check that updates to 'check-names master ignore;' succeed and are not logged ($n)"
+ret=0
+retry_quiet 35 wait_for_record xxx_xxx.primary-ignore.update @10.53.0.5 A dig.out.ns5.test$n || ret=1
+grep "xxx_xxx.primary-ignore.update/A.*(check-names)" ns5/named.run > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+n=$((n+1))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/checknames/tests_sh_checknames.py b/bin/tests/system/checknames/tests_sh_checknames.py
new file mode 100644
index 0000000..e0e035b
--- /dev/null
+++ b/bin/tests/system/checknames/tests_sh_checknames.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_checknames(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/checkzone/clean.sh b/bin/tests/system/checkzone/clean.sh
new file mode 100644
index 0000000..cb189a3
--- /dev/null
+++ b/bin/tests/system/checkzone/clean.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f test.* good1.db.raw named-compilezone
+rm -f ns*/named.lock
+rm -f zones/bad-tsig.db
+rm -f zones/zone1_*.txt
diff --git a/bin/tests/system/checkzone/setup.sh b/bin/tests/system/checkzone/setup.sh
new file mode 100644
index 0000000..4518c56
--- /dev/null
+++ b/bin/tests/system/checkzone/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+ln -s $CHECKZONE named-compilezone
+
+./named-compilezone -D -F raw -o good1.db.raw example \
+        zones/good1.db > /dev/null 2>&1
+
+copy_setports zones/bad-tsig.db.in zones/bad-tsig.db
diff --git a/bin/tests/system/checkzone/tests.sh b/bin/tests/system/checkzone/tests.sh
new file mode 100644
index 0000000..169e411
--- /dev/null
+++ b/bin/tests/system/checkzone/tests.sh
@@ -0,0 +1,214 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=1
+
+for db in zones/good*.db
+do
+	echo_i "checking $db ($n)"
+	ret=0
+	case $db in
+	zones/good-gc-msdcs.db|zones/good-spf-exception.db)
+		$CHECKZONE -k fail -i local example $db > test.out.$n 2>&1 || ret=1
+		;;
+	zones/good-dns-sd-reverse.db)
+		$CHECKZONE -k fail -i local 0.0.0.0.in-addr.arpa $db > test.out.$n 2>&1 || ret=1
+		;;
+	*)
+		$CHECKZONE -i local example $db > test.out.$n 2>&1 || ret=1
+		;;
+	esac
+	n=$((n+1))
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+done
+
+for db in zones/bad*.db
+do
+	echo_i "checking $db ($n)"
+	ret=0 v=0
+	case $db in
+	zones/bad-dns-sd-reverse.db|zones/bad-svcb-servername.db)
+		$CHECKZONE -k fail -i local 0.0.0.0.in-addr.arpa $db > test.out.$n 2>&1 || v=$?
+		;;
+	*)
+                $CHECKZONE -i local example $db > test.out.$n 2>&1 || v=$?
+		;;
+	esac
+	test $v = 1 || ret=1
+	n=$((n+1))
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+done
+
+echo_i "checking with journal file ($n)"
+ret=0
+$CHECKZONE -D -o test.orig.db test zones/test1.db > /dev/null 2>&1 || ret=1
+$CHECKZONE -D -o test.changed.db test zones/test2.db > /dev/null 2>&1 || ret=1
+$MAKEJOURNAL test test.orig.db test.changed.db test.orig.db.jnl 2>&1 || ret=1
+jlines=$($JOURNALPRINT test.orig.db.jnl | wc -l)
+[ $jlines = 3 ] || ret=1
+$CHECKZONE -D -j -o test.out1.db test test.orig.db > /dev/null 2>&1 || ret=1
+cmp -s test.changed.db test.out1.db || ret=1
+mv -f test.orig.db.jnl test.journal
+$CHECKZONE -D -J test.journal -o test.out2.db test test.orig.db > /dev/null 2>&1 || ret=1
+cmp -s test.changed.db test.out2.db || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking with spf warnings ($n)"
+ret=0
+$CHECKZONE example zones/spf.db > test.out1.$n 2>&1 || ret=1
+$CHECKZONE -T ignore example zones/spf.db > test.out2.$n 2>&1 || ret=1
+grep "'x.example' found type SPF" test.out1.$n > /dev/null && ret=1
+grep "'y.example' found type SPF" test.out1.$n > /dev/null || ret=1
+grep "'example' found type SPF" test.out1.$n > /dev/null && ret=1
+grep "'x.example' found type SPF" test.out2.$n > /dev/null && ret=1
+grep "'y.example' found type SPF" test.out2.$n > /dev/null && ret=1
+grep "'example' found type SPF" test.out2.$n > /dev/null && ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking with max ttl (text) ($n)"
+ret=0
+$CHECKZONE -l 300 example zones/good1.db > test.out1.$n 2>&1 && ret=1
+$CHECKZONE -l 600 example zones/good1.db > test.out2.$n 2>&1 || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking with max ttl (raw) ($n)"
+ret=0
+$CHECKZONE -f raw -l 300 example good1.db.raw > test.out1.$n 2>&1 && ret=1
+$CHECKZONE -f raw -l 600 example good1.db.raw > test.out2.$n 2>&1 || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking for no 'inherited owner' warning on '\$INCLUDE file' with no new \$ORIGIN ($n)"
+ret=0
+$CHECKZONE example zones/nowarn.inherited.owner.db > test.out1.$n 2>&1 || ret=1
+grep "inherited.owner" test.out1.$n > /dev/null && ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking for 'inherited owner' warning on '\$ORIGIN + \$INCLUDE file' ($n)"
+ret=0
+$CHECKZONE example zones/warn.inherit.origin.db > test.out1.$n 2>&1 || ret=1
+grep "inherited.owner" test.out1.$n > /dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking for 'inherited owner' warning on '\$INCLUDE file origin' ($n)"
+ret=0
+$CHECKZONE example zones/warn.inherited.owner.db > test.out1.$n 2>&1 || ret=1
+grep "inherited.owner" test.out1.$n > /dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking that raw zone with bad class is handled ($n)"
+ret=0
+$CHECKZONE -f raw example zones/bad-badclass.raw > test.out.$n 2>&1 && ret=1
+grep "failed: bad class" test.out.$n >/dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking that expirations that loop using serial arithmetic are handled ($n)"
+ret=0
+q=-q
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+test $ret -eq 1 || $CHECKZONE $q dyn.example.net zones/crashzone.db || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking that nameserver below DNAME is reported even with occulted address record present ($n)"
+ret=0
+$CHECKZONE example.com zones/ns-address-below-dname.db > test.out.$n 2>&1 && ret=1
+grep "is below a DNAME" test.out.$n >/dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking that delegating nameserver below DNAME is reported even with occulted address record present ($n)"
+ret=0
+$CHECKZONE example.com zones/delegating-ns-address-below-dname.db > test.out.$n 2>&1 || ret=1
+grep "is below a DNAME" test.out.$n >/dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that named-compilezone works when reading input from stdin ($n)"
+ret=0
+# Step 1: take raw input from stdin and convert it to text/relative format.
+# Last argument "-" is optional, but it says more explicitly that we're reading from stdin.
+cat zones/zone1.db | ./named-compilezone -f text -F text -s relative \
+        -o zones/zone1_stdin.txt zone1.com - > /dev/null || ret=1
+status=$((status+ret))
+
+ret=0
+# Step 2: take raw input from file and convert it to text format.
+./named-compilezone -f text -F text -s relative -o zones/zone1_file.txt \
+        zone1.com zones/zone1.db > /dev/null || ret=1
+status=$((status+ret))
+
+ret=0
+# Step 3: Ensure that output conversion from stdin is the same as the output conversion from a file.
+diff zones/zone1_file.txt zones/zone1_stdin.txt >/dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "checking integer overflow is prevented in \$GENERATE ($n)"
+$CHECKZONE -D example.com zones/generate-overflow.db > test.out.$n 2>&1 || ret=1
+lines=$(grep -c CNAME test.out.$n)
+echo $lines
+[ "$lines" -eq 1 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/checkzone/tests_sh_checkzone.py b/bin/tests/system/checkzone/tests_sh_checkzone.py
new file mode 100644
index 0000000..87613cb
--- /dev/null
+++ b/bin/tests/system/checkzone/tests_sh_checkzone.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_checkzone(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/checkzone/zones/.gitattributes b/bin/tests/system/checkzone/zones/.gitattributes
new file mode 100644
index 0000000..a1b3cec
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/.gitattributes
@@ -0,0 +1 @@
+*.raw -text
diff --git a/bin/tests/system/checkzone/zones/bad-badclass.raw b/bin/tests/system/checkzone/zones/bad-badclass.raw
new file mode 100644
index 0000000..d8f1bf7
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-badclass.raw
diff --git a/bin/tests/system/checkzone/zones/bad-caa-rr.db b/bin/tests/system/checkzone/zones/bad-caa-rr.db
new file mode 100644
index 0000000..fb7b861
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-caa-rr.db
diff --git a/bin/tests/system/checkzone/zones/bad-cdnskey.db b/bin/tests/system/checkzone/zones/bad-cdnskey.db
new file mode 100644
index 0000000..d109423
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-cdnskey.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+example.	0	SOA	. . 0 0 0 0 0
+example.	0 	NS	.
+example. 	0	DNSKEY	257 3 10 AwEAAbqjg7xdvnU2Q/gtLw5LOfr5cDeTRjYuEbkzGrUiVSOSoxcTxuao WS/AFPQHuD8OSLiE/CeZ087JowREXl058rRfae8KMrveY17V0wmKs9N1 F1wf/hRDpXiThlRHWlskp8eSEEIqYrrHgWTesy/xDGIEOFM1gwRo0w8j KdRRJeL2hseTMa+m3rTzrYudUsI0BHLW8PiDUCbG5xgdee8/5YR4847i AAqHIiPJ1Z/IT53OIjMmtv5BUykZ8RYjlJxxX+C+dpRKiK73SQaR3hCB XAYOL9WsDp2/fpmEZpewavkMkdC+j2CX+z27MCS3ASO0AeKK0lcNXwND kgreE+Kr7gc=
+example. 	0	CDNSKEY	257 3 14 AwEAAbqjg7xdvnU2Q/gtLw5LOfr5cDeTRjYuEbkzGrUiVSOSoxcTXXXX WS/AFPQHuD8OSLiE/CeZ087JowREXl058rRfae8KMrveY17V0wmKs9N1 F1wf/hRDpXiThlRHWlskp8eSEEIqYrrHgWTesy/xDGIEOFM1gwRo0w8j KdRRJeL2hseTMa+m3rTzrYudUsI0BHLW8PiDUCbG5xgdee8/5YR4847i AAqHIiPJ1Z/IT53OIjMmtv5BUykZ8RYjlJxxX+C+dpRKiK73SQaR3hCB XAYOL9WsDp2/fpmEZpewavkMkdC+j2CX+z27MCS3ASO0AeKK0lcNXwND kgreE+Kr7gc=
diff --git a/bin/tests/system/checkzone/zones/bad-cds.db b/bin/tests/system/checkzone/zones/bad-cds.db
new file mode 100644
index 0000000..2ce4a0d
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-cds.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+example.	0	SOA	. . 0 0 0 0 0
+example.	0 	NS	.
+example. 	0	DNSKEY	257 3 10 AwEAAbqjg7xdvnU2Q/gtLw5LOfr5cDeTRjYuEbkzGrUiVSOSoxcTxuao WS/AFPQHuD8OSLiE/CeZ087JowREXl058rRfae8KMrveY17V0wmKs9N1 F1wf/hRDpXiThlRHWlskp8eSEEIqYrrHgWTesy/xDGIEOFM1gwRo0w8j KdRRJeL2hseTMa+m3rTzrYudUsI0BHLW8PiDUCbG5xgdee8/5YR4847i AAqHIiPJ1Z/IT53OIjMmtv5BUykZ8RYjlJxxX+C+dpRKiK73SQaR3hCB XAYOL9WsDp2/fpmEZpewavkMkdC+j2CX+z27MCS3ASO0AeKK0lcNXwND kgreE+Kr7gc=
+example.	0	CDS 	14364 14 2 FD03B2312C8F0FE72C1751EFA1007D743C94EC91594FF0047C23C37CE119BA0B
diff --git a/bin/tests/system/checkzone/zones/bad-dhcid.db b/bin/tests/system/checkzone/zones/bad-dhcid.db
new file mode 100644
index 0000000..df36eb7
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-dhcid.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	DHCID
+@	3600	DHCID
diff --git a/bin/tests/system/checkzone/zones/bad-dns-sd-reverse.db b/bin/tests/system/checkzone/zones/bad-dns-sd-reverse.db
new file mode 100644
index 0000000..c766c8f
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-dns-sd-reverse.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 	60
+@	IN	SOA	. . 0 0 0 0 0
+@	IN	NS	.
+;
+; The following are *not* Service Discovery Prefixes from RFC 6763 and the
+; PTR check-names rules for IN-ADDR.ARPA and IP6.ARPA do still apply.
+;
+b._fail._udp	IN	PTR	!@#3.
+db._wrong._udp	IN	PTR	!@#3.
+lb._dns-sd._tcp	IN      PTR     !@#3.
diff --git a/bin/tests/system/checkzone/zones/bad-ds.db b/bin/tests/system/checkzone/zones/bad-ds.db
new file mode 100644
index 0000000..9363cb0
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-ds.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+example.	0	SOA	. . 0 0 0 0 0
+example.	0 	NS	.
+example. 	0	DNSKEY	257 3 10 AwEAAbqjg7xdvnU2Q/gtLw5LOfr5cDeTRjYuEbkzGrUiVSOSoxcTxuao WS/AFPQHuD8OSLiE/CeZ087JowREXl058rRfae8KMrveY17V0wmKs9N1 F1wf/hRDpXiThlRHWlskp8eSEEIqYrrHgWTesy/xDGIEOFM1gwRo0w8j KdRRJeL2hseTMa+m3rTzrYudUsI0BHLW8PiDUCbG5xgdee8/5YR4847i AAqHIiPJ1Z/IT53OIjMmtv5BUykZ8RYjlJxxX+C+dpRKiK73SQaR3hCB XAYOL9WsDp2/fpmEZpewavkMkdC+j2CX+z27MCS3ASO0AeKK0lcNXwND kgreE+Kr7gc=
+example.	0	DS 	14364 10 2 FD03B2312C8F0FE72C1751EFA1007D743C94EC91594FF0047C23C37CE119BA0C
diff --git a/bin/tests/system/checkzone/zones/bad-eid.db b/bin/tests/system/checkzone/zones/bad-eid.db
new file mode 100644
index 0000000..ba568ef
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-eid.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	EID
+@	EID
diff --git a/bin/tests/system/checkzone/zones/bad-generate-garbage.db b/bin/tests/system/checkzone/zones/bad-generate-garbage.db
new file mode 100644
index 0000000..0d66e75
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-generate-garbage.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+$GENERATE 0-7   host$	A 1.2.3.${1,0,dgarbagegarbage}
diff --git a/bin/tests/system/checkzone/zones/bad-generate-missing-brace.db b/bin/tests/system/checkzone/zones/bad-generate-missing-brace.db
new file mode 100644
index 0000000..314583e
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-generate-missing-brace.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+$GENERATE 0-7   host$	A 1.2.3.${1000
diff --git a/bin/tests/system/checkzone/zones/bad-generate-range.db b/bin/tests/system/checkzone/zones/bad-generate-range.db
new file mode 100644
index 0000000..62a9e15
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-generate-range.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+; 2147483647 + 1 overflows what can be represented in an 'int'
+$GENERATE 1-1   host$	TXT foo${2147483647}
diff --git a/bin/tests/system/checkzone/zones/bad-generate-tkey.db b/bin/tests/system/checkzone/zones/bad-generate-tkey.db
new file mode 100644
index 0000000..8c05e51
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-generate-tkey.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+$GENERATE 0-7   tkey$	TKEY "invalid.algorithm. 1516055980 1516140801 1 0 16 gRof8D2BFKvl/vrr9Lmnjw== 16 gRof8D2BFKvl/vrr9Lmnjw=="
diff --git a/bin/tests/system/checkzone/zones/bad-nimloc.db b/bin/tests/system/checkzone/zones/bad-nimloc.db
new file mode 100644
index 0000000..56d04c6
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-nimloc.db
@@ -0,0 +1,10 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
\ No newline at end of file
diff --git a/bin/tests/system/checkzone/zones/bad-nsap-empty.db b/bin/tests/system/checkzone/zones/bad-nsap-empty.db
new file mode 100644
index 0000000..fb8fdd0
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-nsap-empty.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+; NSAP with an odd number of hex digits
+example NSAP 0x47000580005a0000000001e133ffffff000161000
diff --git a/bin/tests/system/checkzone/zones/bad-nsap-odd-nibble.db b/bin/tests/system/checkzone/zones/bad-nsap-odd-nibble.db
new file mode 100644
index 0000000..d287648
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-nsap-odd-nibble.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+; empty NSAP address
+example NSAP 0x
diff --git a/bin/tests/system/checkzone/zones/bad-nsec3-padded.db b/bin/tests/system/checkzone/zones/bad-nsec3-padded.db
new file mode 100644
index 0000000..8212bc4
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-nsec3-padded.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+; The following NSEC3 RR is invalid as the Next Hashed Owner Name field
+; is padded. See RFC 5155.
+0p9mhaveqvm6t7vbl5lop2u3t2rp3tom NSEC3 1 1 12 aabbccdd (
+			CPNMU=== MX DNSKEY NS
+			SOA NSEC3PARAM RRSIG )
diff --git a/bin/tests/system/checkzone/zones/bad-nsec3owner-padded.db b/bin/tests/system/checkzone/zones/bad-nsec3owner-padded.db
new file mode 100644
index 0000000..bf3c5ab
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-nsec3owner-padded.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+; The following NSEC3 RR owner is invalid as the owner name is padded.
+CPNMU===	NSEC3 2 1 12 aabbccdd ( CPNMU MX DNSKEY NS
+			SOA NSEC3PARAM RRSIG )
diff --git a/bin/tests/system/checkzone/zones/bad-svcb-mandatory.db b/bin/tests/system/checkzone/zones/bad-svcb-mandatory.db
new file mode 100644
index 0000000..368f0ca
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-svcb-mandatory.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+svcb		SVCB	0 . mandatory=alpn
diff --git a/bin/tests/system/checkzone/zones/bad-svcb-servername.db b/bin/tests/system/checkzone/zones/bad-svcb-servername.db
new file mode 100644
index 0000000..61751a0
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-svcb-servername.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+svcb		SVCB	1 _underscore.example. port=60 alpn=h3 ech="ZWFzdGVyIGVnZyE="
diff --git a/bin/tests/system/checkzone/zones/bad-svcb.db b/bin/tests/system/checkzone/zones/bad-svcb.db
new file mode 100644
index 0000000..ad710bf
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-svcb.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+svcb		SVCB	0 . unknown=wha
diff --git a/bin/tests/system/checkzone/zones/bad-tkey.db b/bin/tests/system/checkzone/zones/bad-tkey.db
new file mode 100644
index 0000000..a030074
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-tkey.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+tkey		TKEY invalid.algorithm. 1516055980 1516140801 1 0 16 gRof8D2BFKvl/vrr9Lmnjw== 16 gRof8D2BFKvl/vrr9Lmnjw==
diff --git a/bin/tests/system/checkzone/zones/bad-tsig.db.in b/bin/tests/system/checkzone/zones/bad-tsig.db.in
new file mode 100644
index 0000000..daef06c
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-tsig.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+tsig		TSIG    @DEFAULT_HMAC@ 1516135665 300 20 thBt8DheAD7qpqSFTiGK999sxGg= 54994 NOERROR 0
diff --git a/bin/tests/system/checkzone/zones/bad-unspec.db b/bin/tests/system/checkzone/zones/bad-unspec.db
new file mode 100644
index 0000000..e5abefe
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad-unspec.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+example IN TYPE103 ^# 1 00
diff --git a/bin/tests/system/checkzone/zones/bad1.db b/bin/tests/system/checkzone/zones/bad1.db
new file mode 100644
index 0000000..05ab829
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad1.db
diff --git a/bin/tests/system/checkzone/zones/bad2.db b/bin/tests/system/checkzone/zones/bad2.db
new file mode 100644
index 0000000..38e82e6
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad2.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+; The following GENERATE directive contains two dashes in the range
+; which is a syntax error.
+$GENERATE 9--10 host$ 3600 A 192.0.2.$
diff --git a/bin/tests/system/checkzone/zones/bad3.db b/bin/tests/system/checkzone/zones/bad3.db
new file mode 100644
index 0000000..1391afe
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad3.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+;
+; A trailing '/' is not permitted.
+;
+$GENERATE 1-3/	$ A	1.2.3.$
diff --git a/bin/tests/system/checkzone/zones/bad4.db b/bin/tests/system/checkzone/zones/bad4.db
new file mode 100644
index 0000000..99def7a
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/bad4.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+;
+; A step of zero is not permitted.
+;
+$GENERATE 1-3/0	$ A	1.2.3.$
diff --git a/bin/tests/system/checkzone/zones/badttl.db b/bin/tests/system/checkzone/zones/badttl.db
new file mode 100644
index 0000000..95cd422
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/badttl.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL
+@		SOA     ns hostmaster 2011012708 3600 1200 604800 1200
+                NS      ns
+ns		A       192.0.2.1
+
+ns-and-dname	NS      ns.ns-and-dname
+		DNAME	example.com.
+ns.ns-and-dname	A       203.178.141.207
diff --git a/bin/tests/system/checkzone/zones/crashzone.db b/bin/tests/system/checkzone/zones/crashzone.db
new file mode 100644
index 0000000..2a62e2a
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/crashzone.db
@@ -0,0 +1,62 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0. If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+dyn.example.net.	7200	IN SOA	ns1.example.net. hostmaster.example.net. (
+					6  ; serial
+					43200      ; refresh (12 hours)
+					1800       ; retry (30 minutes)
+					1209600    ; expire (2 weeks)
+					7200       ; minimum (2 hours)
+					)
+			7200	RRSIG	SOA 7 3 7200 2010	20100225214229 30323 dyn.example.net. MuyI
+			7200	NS	ns1.example.net.
+			7200	NS	ns2.example.net.
+			3600	RRSIG	DNSKEY 7 3 3600 20100227180048 (
+					20100221180048 52935 dyn.example.net.
+					MuyIUCa3XlttWuSnaQegQnRgTrTsx0Mj4EGI
+					fwtZs2H3L079Y/brqMvtlIGxtlr9meLg43oo
+					jX1w48ilerzf1PwYhtVpFefZTgmClK0h2ej4
+					Ho9Qh4/6snesVj06kWsQDkhuVs58zHmhRtEy
+					P4YlqP/R1CAk166RhwSmGuSx1O8= )
+			0	NSEC3PARAM 1 0 10 76931F
+ns1.dyn.example.net.	7200	IN A	1.0.0.5
+			7200	AAAA	2001:db8::53
+			7200	RRSIG	AAAA 7 4 7200 20100227180048 (
+					20100221180048 30323 dyn.example.net.
+					dk1DfG0y9qjCi3VD4e9B1NGKWEig7q8hFdaR
+					3hElCIzGlflvgHRiE7iTJxDMB+kTA0by4BMZ
+					yssUuXP2FMlB2g== )
+ns2.dyn.example.net.	7200	IN A	1.2.0.6
+y.dyn.example.net.	7200	IN A	1.2.3.5
+z.dyn.example.net.	7200	IN A	1.2.3.6
+A54T6DKFVU4QCKFFNJ0KEU0FH0I4OJSN.dyn.example.net. 7200 IN NSEC3	1 0 10 76931F AJHVGTICN6K0VDA53GCHFMT219SRRQLM A RRSIG
+ò		7200	RRSIG	NSEC3 7 4 7200 00100227180048 (
+					20100221180048 30323 dyn.example.net.
+					9BhZcQdLwRPU/Dz38uMis/nCcddyhKEm0Zb+
+					Mhh3V3OsGI202cebTaxbwVEbQQOeowpUmf8l
+					AmK/cNX7+IS2rw== )
+AJHVGTICN6K0VDA53GCHFMT219SRRQLM.dyn.example.net. 7200 IN NSEC3	1 0 10 76931F FQ7RBG86KRMACA1NAAKP2KQRQALBA0C7 A RRSIG
+FQ7RBG86KRMACA1NAAKP2KQRQALBA0C7.dyn.example.net.  7200	RRSIG	NSEC3 7 4 7200 20100227180048 (
+					20100221180048 30323 dyn.example.net.
+					577WZnTQemStx+diON9rEGXAGnU7C0KLjrFL
+					VyhocnBnNtxJS8eRMSWvb9XuYCMNhYKOurtt
+					Ar4qh4VW1+unmA== )
+I7A7A184GGMI35K1E3IR650LKO7NOB5R.dyn.example.net. 7200 IN NSEC3	1 0 10 76931F IMQ912BREQP1POLAH3RMONG;UED541AS A RRSIG
+IMQ912BREQP1POLAH3RMONG3UED541AS.dyn.example.net. 7200 IN NSEC3	1 0 10 76931F S3USV4M1HLVJ8F88EDSG8N9PVQRQ20N7 A RRSIG
+			7200	RRSIG	NSEC3 7 4 7200 20100227180048 (
+					20100221180048 30323 dyn.example.net.
+					smsg35snQ9PpeG2r8ZGxBl44pwSReh/1rIil
+					u/n8aa5nKbBpkqtbcc7q1OpUgb1Q7+Tl/wes
+					kB6bJA== )
+S3USV4M1HLVJ8F88EDSG8N9PVQRQ20N7.dyn.example.net.  7200	RRSIG	NSEC3 7 4 7200 20100227180048 (
+					20100221180048 30323 dyn.example.net.
+					XalRIESpdeVK1aNbwu9ym2SpK981Y127rKua
+					xsoals0Zn2tTjF9wpOYVGVOto3FcWBbyKD1g
+					69BTRlv634UIOw== )
+T320G5LC07QE1BLR074KORIJTG9DPTI9.dyn.example.net. 7200 IN NSEC3	1 0 10 76931F A54T6DKFVU4QCAFFNJ0KEU0FH0I4OJSN NS SOA RRSIG DNSKEY NSEC3PARAM
diff --git a/bin/tests/system/checkzone/zones/delegating-ns-address-below-dname.db b/bin/tests/system/checkzone/zones/delegating-ns-address-below-dname.db
new file mode 100644
index 0000000..78c1029
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/delegating-ns-address-below-dname.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+example.com.		SOA	marka.isc.org. a.root.servers.nil. (
+				2026    ; serial
+				600     ; refresh
+				600     ; retry
+				1200    ; expire
+				600     ; minimum
+				)
+example.com.            NS	ns.example.com.
+ns.example.com.		A       192.168.0.2
+sub.example.com.        NS      ns.sub2.example.com.
+sub2.example.com.       DNAME   example.net.
+ns.sub2.example.com.	A       192.168.0.2
diff --git a/bin/tests/system/checkzone/zones/generate-overflow.db b/bin/tests/system/checkzone/zones/generate-overflow.db
new file mode 100644
index 0000000..c16b517
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/generate-overflow.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+$GENERATE 19-28/2147483645	$ CNAME x
diff --git a/bin/tests/system/checkzone/zones/good-cdnskey.db b/bin/tests/system/checkzone/zones/good-cdnskey.db
new file mode 100644
index 0000000..7892f13
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-cdnskey.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+example.	0	SOA	. . 0 0 0 0 0
+example.	0 	NS	.
+example. 	0	DNSKEY	257 3 10 AwEAAbqjg7xdvnU2Q/gtLw5LOfr5cDeTRjYuEbkzGrUiVSOSoxcTxuao WS/AFPQHuD8OSLiE/CeZ087JowREXl058rRfae8KMrveY17V0wmKs9N1 F1wf/hRDpXiThlRHWlskp8eSEEIqYrrHgWTesy/xDGIEOFM1gwRo0w8j KdRRJeL2hseTMa+m3rTzrYudUsI0BHLW8PiDUCbG5xgdee8/5YR4847i AAqHIiPJ1Z/IT53OIjMmtv5BUykZ8RYjlJxxX+C+dpRKiK73SQaR3hCB XAYOL9WsDp2/fpmEZpewavkMkdC+j2CX+z27MCS3ASO0AeKK0lcNXwND kgreE+Kr7gc=
+example. 	0	CDNSKEY	257 3 10 AwEAAbqjg7xdvnU2Q/gtLw5LOfr5cDeTRjYuEbkzGrUiVSOSoxcTxuao WS/AFPQHuD8OSLiE/CeZ087JowREXl058rRfae8KMrveY17V0wmKs9N1 F1wf/hRDpXiThlRHWlskp8eSEEIqYrrHgWTesy/xDGIEOFM1gwRo0w8j KdRRJeL2hseTMa+m3rTzrYudUsI0BHLW8PiDUCbG5xgdee8/5YR4847i AAqHIiPJ1Z/IT53OIjMmtv5BUykZ8RYjlJxxX+C+dpRKiK73SQaR3hCB XAYOL9WsDp2/fpmEZpewavkMkdC+j2CX+z27MCS3ASO0AeKK0lcNXwND kgreE+Kr7gc=
diff --git a/bin/tests/system/checkzone/zones/good-cds-unsigned.db b/bin/tests/system/checkzone/zones/good-cds-unsigned.db
new file mode 100644
index 0000000..9b1737d
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-cds-unsigned.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+example.	0	SOA	. . 0 0 0 0 0
+example.	0	NS	.
+example.	0	CDS	0 0 0 00
+example.	0	CDNSKEY	0 3 0 AA==
+
diff --git a/bin/tests/system/checkzone/zones/good-cds.db b/bin/tests/system/checkzone/zones/good-cds.db
new file mode 100644
index 0000000..9200657
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-cds.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+example.	0	SOA	. . 0 0 0 0 0
+example.	0 	NS	.
+example. 	0	DNSKEY	257 3 10 AwEAAbqjg7xdvnU2Q/gtLw5LOfr5cDeTRjYuEbkzGrUiVSOSoxcTxuao WS/AFPQHuD8OSLiE/CeZ087JowREXl058rRfae8KMrveY17V0wmKs9N1 F1wf/hRDpXiThlRHWlskp8eSEEIqYrrHgWTesy/xDGIEOFM1gwRo0w8j KdRRJeL2hseTMa+m3rTzrYudUsI0BHLW8PiDUCbG5xgdee8/5YR4847i AAqHIiPJ1Z/IT53OIjMmtv5BUykZ8RYjlJxxX+C+dpRKiK73SQaR3hCB XAYOL9WsDp2/fpmEZpewavkMkdC+j2CX+z27MCS3ASO0AeKK0lcNXwND kgreE+Kr7gc=
+example.	0	CDS 	14364 10 2 FD03B2312C8F0FE72C1751EFA1007D743C94EC91594FF0047C23C37CE119BA0C
diff --git a/bin/tests/system/checkzone/zones/good-dns-sd-reverse.db b/bin/tests/system/checkzone/zones/good-dns-sd-reverse.db
new file mode 100644
index 0000000..fffd27b
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-dns-sd-reverse.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 	60
+@	IN	SOA	. . 0 0 0 0 0
+@	IN	NS	.
+;
+; The following are Service Discovery Prefixes from RFC 6763 and the
+; PTR check-names rules for IN-ADDR.ARPA and IP6.ARPA do not apply.
+;
+b._dns-sd._udp	IN	PTR	!@#3.
+db._dns-sd._udp	IN	PTR	!@#3.
+r._dns-sd._udp	IN	PTR	!@#3.
+dr._dns-sd._udp	IN      PTR     !@#3.
+lb._dns-sd._udp	IN      PTR     !@#3.
diff --git a/bin/tests/system/checkzone/zones/good-gc-msdcs.db b/bin/tests/system/checkzone/zones/good-gc-msdcs.db
new file mode 100644
index 0000000..defd550
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-gc-msdcs.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+gc._msdcs	A	192.0.2.2
diff --git a/bin/tests/system/checkzone/zones/good-generate-modifier.db b/bin/tests/system/checkzone/zones/good-generate-modifier.db
new file mode 100644
index 0000000..3c811d6
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-generate-modifier.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+$GENERATE 0-7   host$	A 1.2.3.${1,0,d}
+$GENERATE 8-9   host$	A 1.2.3.${1,0}
+$GENERATE 10-11 host$	A 1.2.3.${1}
+$GENERATE 1024-1026 ${0,3,n}	AAAA 2001:db8::${0,4,x}
diff --git a/bin/tests/system/checkzone/zones/good-nsap.db b/bin/tests/system/checkzone/zones/good-nsap.db
new file mode 100644
index 0000000..8ad9ee0
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-nsap.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+; empty NSAP address
+example NSAP 0x47.0005.80.005a00.0000....0001.e133.ffffff000162.00
diff --git a/bin/tests/system/checkzone/zones/good-nsec3-nopadhash.db b/bin/tests/system/checkzone/zones/good-nsec3-nopadhash.db
new file mode 100644
index 0000000..5bd378c
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-nsec3-nopadhash.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+; a hash that isn't a multiple of 8 characters
+CPNMU		NSEC3 2 1 12 aabbccdd ( CPNMU MX DNSKEY NS
+			SOA NSEC3PARAM RRSIG )
diff --git a/bin/tests/system/checkzone/zones/good-occulted-ns-by-dname.db b/bin/tests/system/checkzone/zones/good-occulted-ns-by-dname.db
new file mode 100644
index 0000000..80fc4a6
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-occulted-ns-by-dname.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+example.	SOA	marka.isc.org. a.root.servers.nil. (
+			2026	; serial
+			600	; refresh
+			600	; retry
+			1200	; expire
+			600	; minimum
+			)
+example.	DNAME	example.net.		; only the apex record exist
+example.	NS	ns.example.net.         ; out of zone
+foo.example.	NS	exavider.example.       ; no "address" records
diff --git a/bin/tests/system/checkzone/zones/good-occulted-ns-by-ns.db b/bin/tests/system/checkzone/zones/good-occulted-ns-by-ns.db
new file mode 100644
index 0000000..38913b9
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-occulted-ns-by-ns.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+example.		SOA	marka.isc.org. a.root.servers.nil. (
+				2026	; serial
+				600	; refresh
+				600	; retry
+				1200	; expire
+				600	; minimum
+				)
+example.		NS	ns.example.net.		; out of zone
+foo.example.		NS	ns.example.net.		; out of zone
+bar.foo.example.	NS	x.foo.example.		; no address records
diff --git a/bin/tests/system/checkzone/zones/good-spf-exception.db b/bin/tests/system/checkzone/zones/good-spf-exception.db
new file mode 100644
index 0000000..212bfbc
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-spf-exception.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+a._spf		A	192.0.2.2
+a._spf_rate	A	192.0.2.2
+a._spf_verify	A	192.0.2.2
diff --git a/bin/tests/system/checkzone/zones/good-svcb.db b/bin/tests/system/checkzone/zones/good-svcb.db
new file mode 100644
index 0000000..df868f3
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good-svcb.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA	ns hostmaster 2011012708 3600 1200 604800 1200
+		NS	ns
+ns		A	192.0.2.1
+
+svcb0		SVCB	0 example.net.
+svcb1		SVCB	1 . port=60 alpn=h3 ech="ZWFzdGVyIGVnZyE="
+svcb2		SVCB	2 . no-default-alpn alpn=alpn
+svcb3		SVCB	3 . ipv4hint="10.10.10.10"
+svcb4		SVCB	4 . ipv6hint="feed:a::bee"
+svcb5		SVCB	5 . key9999="something"
+svcb6		SVCB	6 . mandatory=port,alpn port=60 alpn=h3
+svcb7		SVCB	7 . mandatory=port,alpn port=60 alpn=h1,h3
+svcb8		SVCB	8 . mandatory=port,alpn port=60 alpn="h1\\,h2,h3"
+svcb9		SVCB	0 44._svbc.example.net.
+svcb10		SVCB	7 . alpn="h2,h3" dohpath=/{?dns}
diff --git a/bin/tests/system/checkzone/zones/good1.db b/bin/tests/system/checkzone/zones/good1.db
new file mode 100644
index 0000000..59eaa54
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/good1.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA     ns hostmaster 2011012708 3600 1200 604800 1200
+                NS      ns
+ns		A       192.0.2.1
+
+ns-and-dname	NS      ns.ns-and-dname
+		DNAME	example.com.
+ns.ns-and-dname	A       203.178.141.207
diff --git a/bin/tests/system/checkzone/zones/inherit.db b/bin/tests/system/checkzone/zones/inherit.db
new file mode 100644
index 0000000..e075d41
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/inherit.db
@@ -0,0 +1,12 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+	NS .
diff --git a/bin/tests/system/checkzone/zones/nowarn.inherited.owner.db b/bin/tests/system/checkzone/zones/nowarn.inherited.owner.db
new file mode 100644
index 0000000..db26217
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/nowarn.inherited.owner.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0 IN SOA . . 0 0 0 0 0
+$INCLUDE "zones/inherit.db"
diff --git a/bin/tests/system/checkzone/zones/ns-address-below-dname.db b/bin/tests/system/checkzone/zones/ns-address-below-dname.db
new file mode 100644
index 0000000..e15ad5c
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/ns-address-below-dname.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+example.com.		SOA	marka.isc.org. a.root.servers.nil. (
+				2026    ; serial
+				600     ; refresh
+				600     ; retry
+				1200    ; expire
+				600     ; minimum
+				)
+example.com.		DNAME	example.net.
+example.com.		NS	ns.example.com
+ns.example.com.		A	192.168.0.2
diff --git a/bin/tests/system/checkzone/zones/spf.db b/bin/tests/system/checkzone/zones/spf.db
new file mode 100644
index 0000000..9527b1b
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/spf.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0 IN SOA . . 0 0 0 0 0
+@ 0 IN NS .
+@ 0 IN TXT "v=spf1 -all"
+@ 0 IN SPF "v=spf1 -all"
+x 0 IN TXT "v=spf1"
+y 0 IN SPF "v=spf1"
+y 0 IN TXT "a non spf record"
diff --git a/bin/tests/system/checkzone/zones/test1.db b/bin/tests/system/checkzone/zones/test1.db
new file mode 100644
index 0000000..55669d7
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/test1.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA     ns hostmaster 2012010901 3600 1200 604800 1200
+                NS      ns
+ns		A       192.0.2.1
+
+addr1	A      10.53.0.1
diff --git a/bin/tests/system/checkzone/zones/test2.db b/bin/tests/system/checkzone/zones/test2.db
new file mode 100644
index 0000000..0cb1184
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/test2.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA     ns hostmaster 2012010902 3600 1200 604800 1200
+                NS      ns
+ns		A       192.0.2.1
+
+addr1	A      10.53.0.1
+addr2	A      10.53.0.2
diff --git a/bin/tests/system/checkzone/zones/warn.inherit.origin.db b/bin/tests/system/checkzone/zones/warn.inherit.origin.db
new file mode 100644
index 0000000..a348a8f
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/warn.inherit.origin.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0 IN SOA . . 0 0 0 0 0
+$ORIGIN @
+$INCLUDE "zones/inherit.db"
diff --git a/bin/tests/system/checkzone/zones/warn.inherited.owner.db b/bin/tests/system/checkzone/zones/warn.inherited.owner.db
new file mode 100644
index 0000000..dbbd9d1
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/warn.inherited.owner.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0 IN SOA . . 0 0 0 0 0
+$INCLUDE "zones/inherit.db" @
diff --git a/bin/tests/system/checkzone/zones/zone1.db b/bin/tests/system/checkzone/zones/zone1.db
new file mode 100644
index 0000000..c2f395d
--- /dev/null
+++ b/bin/tests/system/checkzone/zones/zone1.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+zone1.com.				      86400 IN SOA	dns1.zone1.com. hostmaster.zone1.com. 2001062501 21600 3600 604800 86400
+zone1.com.				      86400 IN NS	dns1.zone1.com.
+zone1.com.				      86400 IN NS	dns2.zone1.com.
+zone1.com.				      86400 IN A	10.53.0.1
+zone1.com.				      86400 IN MX	10 mail1.zone1.com.
+zone1.com.				      86400 IN MX	20 mail2.zone1.com.
+dns1.zone1.com.				      86400 IN A	10.53.0.1
+dns2.zone1.com.				      86400 IN A	10.53.0.2
+mail1.zone1.com.			      86400 IN A	10.53.0.1
+mail2.zone1.com.			      86400 IN A	10.53.0.2
diff --git a/bin/tests/system/ckdnsrps.sh b/bin/tests/system/ckdnsrps.sh
new file mode 100644
index 0000000..afc405d
--- /dev/null
+++ b/bin/tests/system/ckdnsrps.sh
@@ -0,0 +1,167 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# Say on stdout whether to test DNSRPS
+#	and create dnsrps.conf and dnsrps-secondary.conf
+# Note that dnsrps.conf and dnsrps-secondary.conf are included in named.conf
+#	and differ from dnsrpz.conf which is used by dnsrpzd.
+
+
+. ../conf.sh
+
+DNSRPS_CMD=../rpz/dnsrps
+
+AS_NS=
+TEST_DNSRPS=
+MCONF=dnsrps.conf
+SCONF=dnsrps-secondary.conf
+USAGE="$0: [-xAD] [-M dnsrps.conf] [-S dnsrps-secondary.conf]"
+while getopts "xADM:S:" c; do
+    case $c in
+	x) set -x; DEBUG=-x;;
+	A) AS_NS=yes;;
+	D) TEST_DNSRPS=yes;;
+	M) MCONF="$OPTARG";;
+	S) SCONF="$OPTARG";;
+	*) echo "$USAGE" 1>&2; exit 1;;
+    esac
+done
+shift $(expr $OPTIND - 1 || true)
+if [ "$#" -ne 0 ]; then
+    echo "$USAGE" 1>&2
+    exit 1
+fi
+
+# erase any existing conf files
+cat /dev/null > $MCONF
+cat /dev/null > $SCONF
+
+add_conf () {
+    echo "$*" >>$MCONF
+    echo "$*" >>$SCONF
+}
+
+if ! $FEATURETEST --enable-dnsrps; then
+    if [ -n "$TEST_DNSRPS" ]; then
+        add_conf "## DNSRPS disabled at compile time"
+    fi
+    add_conf "#skip"
+    exit 0
+fi
+
+if [ -z "$TEST_DNSRPS" ]; then
+    add_conf "## testing with native RPZ"
+    add_conf '#skip'
+    exit 0
+else
+    add_conf "## testing with DNSRPS"
+fi
+
+if [ ! -x "$DNSRPS_CMD" ]; then
+    add_conf "## make $DNSRPS_CMD to test DNSRPS"
+    add_conf '#skip'
+    exit 0
+fi
+
+if $DNSRPS_CMD -a >/dev/null; then :
+else
+    add_conf "## DNSRPS provider library is not available"
+    add_conf '#skip'
+    exit 0
+fi
+
+CMN="	dnsrps-options { dnsrpzd-conf ../dnsrpzd.conf
+			 dnsrpzd-sock ../dnsrpzd.sock
+			 dnsrpzd-rpzf ../dnsrpzd.rpzf
+			 dnsrpzd-args '-dddd -L stdout'
+			 log-level 3"
+
+PRIMARY="$CMN"
+if [ -n "$AS_NS" ]; then
+    PRIMARY="$PRIMARY
+			qname-as-ns yes
+			ip-as-ns yes"
+fi
+
+# write dnsrps settings for primary resolver
+cat <<EOF >>$MCONF
+$PRIMARY };
+EOF
+
+# write dnsrps settings for resolvers that should not start dnsrpzd
+cat <<EOF >>$SCONF
+$CMN
+			dnsrpzd '' };	# do not start dnsrpzd
+EOF
+
+
+# DNSRPS is available.
+# The test should fail if the license is bad.
+add_conf "dnsrps-enable yes;"
+
+# Use alt-dnsrpzd-license.conf if it exists
+CUR_L=dnsrpzd-license-cur.conf
+ALT_L=alt-dnsrpzd-license.conf
+# try ../rpz/alt-dnsrpzd-license.conf if alt-dnsrpzd-license.conf does not exist
+[ -s $ALT_L ] || ALT_L=../rpz/alt-dnsrpzd-license.conf
+if [ -s $ALT_L ]; then
+    SRC_L=$ALT_L
+    USE_ALT=
+else
+    SRC_L=../rpz/dnsrpzd-license.conf
+    USE_ALT="## consider installing alt-dnsrpzd-license.conf"
+fi
+cp $SRC_L $CUR_L
+
+# parse $CUR_L for the license zone name, primary IP addresses, and optional
+#   transfer-source IP addresses
+eval `sed -n -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'\
+    -e 's/.*zone *\([-a-z0-9]*.license.fastrpz.com\).*/NAME=\1/p'	\
+    -e 's/.*farsight_fastrpz_license *\([0-9.]*\);.*/IPV4=\1/p'		\
+    -e 's/.*farsight_fastrpz_license *\([0-9a-f:]*\);.*/IPV6=\1/p'	\
+    -e 's/.*transfer-source *\([0-9.]*\);.*/TS4=-b\1/p'			\
+    -e 's/.*transfer-source *\([0-9a-f:]*\);.*/TS6=-b\1/p'		\
+    -e 's/.*transfer-source-v6 *\([0-9a-f:]*\);.*/TS6=-b\1/p'		\
+	$CUR_L`
+if [ -z "$NAME" ]; then
+    add_conf "## no DNSRPS tests; no license domain name in $SRC_L"
+    add_conf '#fail'
+    exit 0
+fi
+if [ -z "$IPV4" ]; then
+    IPV4=license1.fastrpz.com
+    TS4=
+fi
+if [ -z "$IPV6" ]; then
+    IPV6=license1.fastrpz.com
+    TS6=
+fi
+
+# This TSIG key is common and NOT a secret
+KEY='hmac-sha256:farsight_fastrpz_license:f405d02b4c8af54855fcebc1'
+
+# Try IPv4 and then IPv6 to deal with IPv6 tunnel and connectivity problems
+if `$DIG -4 -t axfr -y$KEY $TS4 $NAME @$IPV4				\
+	    | grep -i "^$NAME.*TXT" >/dev/null`; then
+    exit 0
+fi
+if `$DIG -6 -t axfr -y$KEY $TS6 $NAME @$IPV6				\
+	    | grep -i "^$NAME.*TXT" >/dev/null`; then
+    exit 0
+fi
+
+add_conf "## DNSRPS lacks a valid license via $SRC_L"
+[ -z "$USE_ALT" ] || add_conf "$USE_ALT"
+add_conf '#fail'
diff --git a/bin/tests/system/cleanall.sh b/bin/tests/system/cleanall.sh
new file mode 100644
index 0000000..79a8434
--- /dev/null
+++ b/bin/tests/system/cleanall.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after system tests.
+#
+
+. ./conf.sh
+
+
+find . -type f \( \
+    -name '*~' -o -name 'core' -o -name '*.core' \
+    -o -name '*.log' -o -name '*.pid' -o -name '*.keyset' \
+    -o -name named.run -o -name ans.run \
+    -o -name '*-valgrind-*.log' \) -print | xargs rm -f
+
+status=0
+
+rm -f ../random.data
+
+for d in $SUBDIRS
+do
+   test ! -f $d/clean.sh || ( cd $d && $SHELL clean.sh )
+   rm -f test.output.$d
+   test -d $d && find $d -type d -exec rmdir '{}' \; 2> /dev/null
+done
diff --git a/bin/tests/system/common/controls.conf.in b/bin/tests/system/common/controls.conf.in
new file mode 100644
index 0000000..1db9286
--- /dev/null
+++ b/bin/tests/system/common/controls.conf.in
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
diff --git a/bin/tests/system/common/rndc.conf b/bin/tests/system/common/rndc.conf
new file mode 100644
index 0000000..b887ec3
--- /dev/null
+++ b/bin/tests/system/common/rndc.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	default-key     "rndc_key";
+};
+
+key rndc_key {
+	algorithm       hmac-sha256;
+	secret          "1234abcd8765";
+};
diff --git a/bin/tests/system/common/rndc.key b/bin/tests/system/common/rndc.key
new file mode 100644
index 0000000..3ef41c3
--- /dev/null
+++ b/bin/tests/system/common/rndc.key
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm hmac-sha256;
+};
diff --git a/bin/tests/system/common/root.hint b/bin/tests/system/common/root.hint
new file mode 100644
index 0000000..e0f186c
--- /dev/null
+++ b/bin/tests/system/common/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.1
diff --git a/bin/tests/system/conf.sh.common b/bin/tests/system/conf.sh.common
new file mode 100644
index 0000000..90059dd
--- /dev/null
+++ b/bin/tests/system/conf.sh.common
@@ -0,0 +1,738 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+testsock6() {
+	if test -n "$PERL" && $PERL -e "use IO::Socket::INET6;" 2> /dev/null
+	then
+		$PERL "$TOP_SRCDIR/bin/tests/system/testsock6.pl" "$@"
+	else
+		false
+	fi
+}
+
+export LANG=C
+
+
+#
+# Common lists of system tests to run.
+#
+# The following tests are hard-coded to use ports 5300 and 9953. For
+# this reason, these must be run sequentially.
+#
+# Sequential tests that only run on unix/linux should be added to
+# SEQUENTIAL_UNIX in conf.sh.in
+#
+SEQUENTIAL_COMMON=""
+
+#
+# These tests can use ports assigned by the caller (other than 5300
+# and 9953). Because separate blocks of ports can be used for teach
+# test, these tests can be run in parallel.
+#
+# Parallel tests that only run on unix/linux should be added to
+# PARALLEL_UNIX in conf.sh.in;
+#
+# Note: some of the longer-running tests such as serve-stale and
+# rpzrecurse are scheduled first, in order to get more benefit from
+# parallelism.
+#
+PARALLEL_COMMON="
+rpzrecurse
+serve-stale
+dupsigs
+acl
+additional
+addzone
+allow-query
+auth
+autosign
+builtin
+cacheclean
+case
+catz
+cds
+checkconf
+checknames
+checkzone
+database
+digdelv
+dlz
+dns64
+dsdigest
+ecdsa
+eddsa
+ednscompliance
+emptyzones
+fetchlimit
+formerr
+forward
+geoip2
+glue
+idna
+include-multiplecfg
+inline
+integrity
+ixfr
+journal
+keepalive
+limits
+masterfile
+masterformat
+metadata
+mirror
+mkeys
+names
+notify
+nsec3
+nslookup
+nsupdate
+padding
+pending
+reclimit
+redirect
+resolver
+rndc
+rootkeysentinel
+rpz
+rrchecker
+rrl
+rrsetorder
+rsabigexponent
+runtime
+sfcache
+smartsign
+sortlist
+spf
+staticstub
+statistics
+statschannel
+stub
+synthfromdnssec
+tkey
+tools
+tsig
+tsiggss
+ttl
+unknown
+upforwd
+verify
+views
+wildcard
+xfer
+xferquota
+zero
+zonechecks"
+
+#
+# Set up color-coded test output
+#
+if [ ${SYSTEMTEST_FORCE_COLOR:-0} -eq 1 ] || test -t 1 && type tput > /dev/null 2>&1 && tput setaf 7 > /dev/null 2>&1 ; then
+    export COLOR_END=$(tput setaf 4)    # blue
+    export COLOR_FAIL=$(tput setaf 1)   # red
+    export COLOR_INFO=$(tput bold)      # bold
+    export COLOR_NONE=$(tput sgr0)
+    export COLOR_PASS=$(tput setaf 2)   # green
+    export COLOR_START=$(tput setaf 4)  # blue
+    export COLOR_WARN=$(tput setaf 3)   # yellow
+else
+    # set to empty strings so printf succeeds
+    export COLOR_END=''
+    export COLOR_FAIL=''
+    export COLOR_INFO=''
+    export COLOR_NONE=''
+    export COLOR_PASS=''
+    export COLOR_START=''
+    export COLOR_WARN=''
+fi
+
+export SYSTESTDIR="$(basename $PWD)"
+
+if type printf > /dev/null 2>&1
+then
+	echofail () {
+		printf "${COLOR_FAIL}%s${COLOR_NONE}\n" "$*"
+	}
+	echowarn () {
+		printf "${COLOR_WARN}%s${COLOR_NONE}\n" "$*"
+	}
+	echopass () {
+		printf "${COLOR_PASS}%s${COLOR_NONE}\n" "$*"
+	}
+	echoinfo () {
+		printf "${COLOR_INFO}%s${COLOR_NONE}\n" "$*"
+	}
+	echostart () {
+		printf "${COLOR_START}%s${COLOR_NONE}\n" "$*"
+	}
+	echoend () {
+		printf "${COLOR_END}%s${COLOR_NONE}\n" "$*"
+	}
+	echo_i() {
+	    printf '%s\n' "$*" | while IFS= read -r __LINE ; do
+	       echoinfo "I:$SYSTESTDIR:$__LINE"
+	    done
+	}
+
+	echo_ic() {
+	    printf '%s\n' "$*" | while IFS= read -r __LINE ; do
+	       echoinfo "I:$SYSTESTDIR:  $__LINE"
+	    done
+	}
+
+	echo_d() {
+	    printf '%s\n' "$*" | while IFS= read -r __LINE ; do
+	       echoinfo "D:$SYSTESTDIR:$__LINE"
+	    done
+	}
+else
+	echofail () {
+		echo "$*"
+	}
+	echowarn () {
+		echo "$*"
+	}
+	echopass () {
+		echo "$*"
+	}
+	echoinfo () {
+		echo "$*"
+	}
+	echostart () {
+		echo "$*"
+	}
+	echoend () {
+		echo "$*"
+	}
+
+	echo_i() {
+	    echo "$@" | while IFS= read -r __LINE ; do
+	       echoinfo "I:$SYSTESTDIR:$__LINE"
+	    done
+	}
+
+	echo_ic() {
+	    echo "$@" | while IFS= read -r __LINE ; do
+	       echoinfo "I:$SYSTESTDIR:  $__LINE"
+	    done
+	}
+
+	echo_d() {
+	    echo "$@" | while IFS= read -r __LINE ; do
+	       echoinfo "D:$SYSTESTDIR:$__LINE"
+	    done
+	}
+fi
+
+cat_i() {
+    while IFS= read -r __LINE ; do
+       echoinfo "I:$SYSTESTDIR:$__LINE"
+    done
+}
+
+cat_d() {
+    while IFS= read -r __LINE ; do
+       echoinfo "D:$SYSTESTDIR:$__LINE"
+    done
+}
+
+digcomp() {
+    { output=$($PERL $TOP_SRCDIR/bin/tests/system/digcomp.pl "$@"); result=$?; } || true
+    [ -n "$output" ] &&  { echo "digcomp failed:"; echo "$output"; } | cat_i
+    return $result
+}
+
+start_server() {
+    $PERL "$TOP_SRCDIR/bin/tests/system/start.pl" "$SYSTESTDIR" "$@"
+}
+
+stop_server() {
+    $PERL "$TOP_SRCDIR/bin/tests/system/stop.pl" "$SYSTESTDIR" "$@"
+}
+
+send() {
+    $PERL "$TOP_SRCDIR/bin/tests/system/send.pl" "$@"
+}
+
+#
+# Useful variables in test scripts
+#
+
+# The following script sets the following algorithm-related variables. These
+# are selected randomly at runtime from a list of supported algorithms. The
+# randomization is deterministic and remains stable for a period of time for a
+# given platform.
+#
+# Default algorithm for testing.
+# DEFAULT_ALGORITHM
+# DEFAULT_ALGORITHM_NUMBER
+# DEFAULT_BITS
+#
+# This is an alternative algorithm for test cases that require more than one
+# algorithm (for example algorithm rollover). Must be different from
+# DEFAULT_ALGORITHM.
+# ALTERNATIVE_ALGORITHM
+# ALTERNATIVE_ALGORITHM_NUMBER
+# ALTERNATIVE_BITS
+#
+# This is an algorithm that is used for tests against the "disable-algorithms"
+# configuration option. Must be different from above algorithms.
+# DISABLED_ALGORITHM
+# DISABLED_ALGORITHM_NUMBER
+# DISABLED_BITS
+#
+# There are multiple algoritms sets to choose from (see get_algorithms.py). To
+# override the default choice, set the ALGORITHM_SET env var (see mkeys system
+# test for example).
+eval "$($PYTHON "$TOP_SRCDIR/bin/tests/system/get_algorithms.py")"
+
+# Default HMAC algorithm.
+# also update common/rndc.conf and common/rndc.key when updating DEFAULT_HMAC
+export DEFAULT_HMAC=hmac-sha256
+
+#
+# Useful functions in test scripts
+#
+
+# assert_int_equal: compare two integer variables, $1 and $2
+#
+# If $1 and $2 are equal, return 0; if $1 and $2 are not equal, report
+# the error using the description of the tested variable provided in $3
+# and return 1.
+assert_int_equal() {
+	found="$1"
+	expected="$2"
+	description="$3"
+
+	if [ "${expected}" -ne "${found}" ]; then
+		echo_i "incorrect ${description}: got ${found}, expected ${expected}"
+		return 1
+	fi
+
+	return 0
+}
+
+# keyfile_to_keys_section: helper function for keyfile_to_*_keys() which
+# converts keyfile data into a key-style trust anchor configuration
+# section using the supplied parameters
+keyfile_to_keys() {
+    section_name=$1
+    key_prefix=$2
+    shift
+    shift
+    echo "$section_name {"
+    for keyname in $*; do
+	awk '!/^; /{
+	    printf "\t\""$1"\" "
+	    printf "'"$key_prefix "'"
+	    printf $4 " " $5 " " $6 " \""
+	    for (i=7; i<=NF; i++) printf $i
+	    printf "\";\n"
+	}' $keyname.key
+    done
+    echo "};"
+}
+
+# keyfile_to_dskeys_section: helper function for keyfile_to_*_dskeys()
+# converts keyfile data into a DS-style trust anchor configuration
+# section using the supplied parameters
+keyfile_to_dskeys() {
+    section_name=$1
+    key_prefix=$2
+    shift
+    shift
+    echo "$section_name {"
+    for keyname in $*; do
+        $DSFROMKEY $keyname.key | \
+	awk '!/^; /{
+	    printf "\t\""$1"\" "
+	    printf "'"$key_prefix "'"
+	    printf $4 " " $5 " " $6 " \""
+	    for (i=7; i<=NF; i++) printf $i
+	    printf "\";\n"
+	}'
+    done
+    echo "};"
+}
+
+# keyfile_to_trusted_keys: convert key data contained in the keyfile(s)
+# provided to a "trust-keys" section suitable for including in a
+# resolver's configuration file
+keyfile_to_trusted_keys() {
+    keyfile_to_keys "trusted-keys" "" $*
+}
+
+# keyfile_to_static_keys: convert key data contained in the keyfile(s)
+# provided to a *static-key* "trust-anchors" section suitable for including in
+# a resolver's configuration file
+keyfile_to_static_keys() {
+    keyfile_to_keys "trust-anchors" "static-key" $*
+}
+
+# keyfile_to_initial_keys: convert key data contained in the keyfile(s)
+# provided to an *initial-key* "trust-anchors" section suitable for including
+# in a resolver's configuration file
+keyfile_to_initial_keys() {
+    keyfile_to_keys "trust-anchors" "initial-key" $*
+}
+
+# keyfile_to_static_ds_keys: convert key data contained in the keyfile(s)
+# provided to a *static-ds* "trust-anchors" section suitable for including in a
+# resolver's configuration file
+keyfile_to_static_ds() {
+    keyfile_to_dskeys "trust-anchors" "static-ds" $*
+}
+
+# keyfile_to_initial_ds_keys: convert key data contained in the keyfile(s)
+# provided to an *initial-ds* "trust-anchors" section suitable for including
+# in a resolver's configuration file
+keyfile_to_initial_ds() {
+    keyfile_to_dskeys "trust-anchors" "initial-ds" $*
+}
+
+# keyfile_to_key_id: convert a key file name to a key ID
+#
+# For a given key file name (e.g. "Kexample.+013+06160") provided as $1,
+# print the key ID with leading zeros stripped ("6160" for the
+# aforementioned example).
+keyfile_to_key_id() {
+	echo "$1" | sed "s/.*+0\{0,4\}//"
+}
+
+# private_type_record: write a private type record recording the state of the
+# signing process
+#
+# For a given zone ($1), algorithm number ($2) and key file ($3), print the
+# private type record with default type value of 65534, indicating that the
+# signing process for this key is completed.
+private_type_record() {
+        _zone=$1
+        _algorithm=$2
+        _keyfile=$3
+
+        _id=$(keyfile_to_key_id "$_keyfile")
+
+        printf "%s. 0 IN TYPE65534 %s 5 %02x%04x0000\n" "$_zone" "\\#" "$_algorithm" "$_id"
+}
+
+# nextpart*() - functions for reading files incrementally
+#
+# These functions aim to facilitate looking for (or waiting for)
+# messages which may be logged more than once throughout the lifetime of
+# a given named instance by outputting just the part of the file which
+# has been appended since the last time we read it.
+#
+# Calling some of these functions causes temporary *.prev files to be
+# created that need to be cleaned up manually (usually by a given system
+# test's clean.sh script).
+#
+# Note that unlike other nextpart*() functions, nextpartread() is not
+# meant to be directly used in system tests; its sole purpose is to
+# reduce code duplication below.
+#
+# A quick usage example:
+#
+#     $ echo line1 > named.log
+#     $ echo line2 >> named.log
+#     $ nextpart named.log
+#     line1
+#     line2
+#     $ echo line3 >> named.log
+#     $ nextpart named.log
+#     line3
+#     $ nextpart named.log
+#     $ echo line4 >> named.log
+#     $ nextpartpeek named.log
+#     line4
+#     $ nextpartpeek named.log
+#     line4
+#     $ nextpartreset named.log
+#     $ nextpartpeek named.log
+#     line1
+#     line2
+#     line3
+#     line4
+#     $ nextpart named.log
+#     line1
+#     line2
+#     line3
+#     line4
+#     $ nextpart named.log
+#     $
+
+# nextpartreset: reset the marker used by nextpart() and nextpartpeek()
+# so that it points to the start of the given file
+nextpartreset() {
+    echo "0" > $1.prev
+}
+
+# nextpartread: read everything that's been appended to a file since the
+# last time nextpart() was called and print it to stdout, print the
+# total number of lines read from that file so far to file descriptor 3
+nextpartread() {
+    [ -f $1.prev ] || nextpartreset $1
+    prev=$(cat $1.prev)
+    awk "NR > $prev "'{ print }
+	 END          { print NR > "/dev/stderr" }' $1 2>&3
+}
+
+# nextpart: read everything that's been appended to a file since the
+# last time nextpart() was called
+nextpart() {
+	nextpartread $1 3> $1.prev.tmp
+	mv $1.prev.tmp $1.prev
+}
+
+# nextpartpeek: read everything that's been appended to a file since the
+# last time nextpart() was called
+nextpartpeek() {
+	nextpartread $1 3> /dev/null
+}
+
+# _search_log: look for message $1 in file $2 with nextpart().
+_search_log() (
+	msg="$1"
+	file="$2"
+	nextpart "$file" | grep -F -e "$msg" > /dev/null
+)
+
+# _search_log_re: same as _search_log but the message is an grep -E regex
+_search_log_re() (
+	msg="$1"
+	file="$2"
+	nextpart "$file" | grep -E -e "$msg" > /dev/null
+)
+
+# _search_log_peek: look for message $1 in file $2 with nextpartpeek().
+_search_log_peek() (
+	msg="$1"
+	file="$2"
+	nextpartpeek "$file" | grep -F -e "$msg" > /dev/null
+)
+
+# wait_for_log: wait until message $2 in file $3 appears.  Bail out after
+# $1 seconds.  This needs to be used in conjunction with a prior call to
+# nextpart() or nextpartreset() on the same file to guarantee the offset is
+# set correctly.  Tests using wait_for_log() are responsible for cleaning up
+# the created <file>.prev files.
+wait_for_log() (
+	timeout="$1"
+	msg="$2"
+	file="$3"
+	retry_quiet "$timeout" _search_log "$msg" "$file" && return 0
+	echo_i "exceeded time limit waiting for literal '$msg' in $file"
+        return 1
+)
+
+# wait_for_log_re: same as wait_for_log, but the message is an grep -E regex
+wait_for_log_re() (
+	timeout="$1"
+	msg="$2"
+	file="$3"
+	retry_quiet "$timeout" _search_log_re "$msg" "$file" && return 0
+	echo_i "exceeded time limit waiting for regex '$msg' in $file"
+        return 1
+)
+
+# wait_for_log_peek: similar to wait_for_log() but peeking, so the file offset
+# does not change.
+wait_for_log_peek() (
+	timeout="$1"
+	msg="$2"
+	file="$3"
+	retry_quiet "$timeout" _search_log_peek "$msg" "$file" && return 0
+	echo_i "exceeded time limit waiting for literal '$msg' in $file"
+        return 1
+)
+
+# _retry: keep running a command until it succeeds, up to $1 times, with
+# one-second intervals, optionally printing a message upon every attempt
+_retry() {
+	__retries="${1}"
+	shift
+
+	while :; do
+		if "$@"; then
+			return 0
+		fi
+		__retries=$((__retries-1))
+		if [ "${__retries}" -gt 0 ]; then
+			if [ "${__retry_quiet}" -ne 1 ]; then
+				echo_i "retrying"
+			fi
+			sleep 1
+		else
+			return 1
+		fi
+	done
+}
+
+# retry: call _retry() in verbose mode
+retry() {
+	__retry_quiet=0
+	_retry "$@"
+}
+
+# retry_quiet: call _retry() in silent mode
+retry_quiet() {
+	__retry_quiet=1
+	_retry "$@"
+}
+
+# _repeat: keep running command up to $1 times, unless it fails
+_repeat() (
+    __retries="${1}"
+    shift
+    while :; do
+	if ! "$@"; then
+	    return 1
+	fi
+	__retries=$((__retries-1))
+	if [ "${__retries}" -le 0 ]; then
+	    break
+	fi
+    done
+    return 0
+)
+
+_times() {
+	awk "BEGIN{ for(i = 1; i <= $1; i++) print i}";
+}
+
+rndc_reload() {
+    $RNDC -c ../common/rndc.conf -s $2 -p ${CONTROLPORT} reload $3 2>&1 | sed 's/^/'"I:$SYSTESTDIR:$1"' /'
+    # reloading single zone is synchronous, if we're reloading whole server
+    # we need to wait for reload to finish
+    if [ -z "$3" ]; then
+        for _ in $(_times 10); do
+            $RNDC -c ../common/rndc.conf -s $2 -p ${CONTROLPORT} status | grep "reload/reconfig in progress" > /dev/null || break
+            sleep 1
+        done
+    fi
+}
+
+rndc_reconfig() {
+    seconds=${3:-10}
+    $RNDC -c ../common/rndc.conf -s "$2" -p "${CONTROLPORT}" reconfig 2>&1 | sed 's/^/'"I:$SYSTESTDIR:$1"' /'
+    for _ in $(_times "$seconds"); do
+        "$RNDC" -c ../common/rndc.conf -s "$2" -p "${CONTROLPORT}" status | grep "reload/reconfig in progress" > /dev/null || break
+        sleep 1
+    done
+}
+
+# rndc_dumpdb: call "rndc dumpdb [...]" and wait until it completes
+#
+# The first argument is the name server instance to send the command to, in the
+# form of "nsX" (where "X" is the instance number), e.g. "ns5".  The remaining
+# arguments, if any, are appended to the rndc command line after "dumpdb".
+#
+# Control channel configuration for the name server instance to send the
+# command to must match the contents of bin/tests/system/common/rndc.conf.
+#
+# rndc output is stored in a file called rndc.out.test${n}; the "n" variable is
+# required to be set by the calling tests.sh script.
+#
+# Return 0 if the dump completes successfully; return 1 if rndc returns an exit
+# code other than 0 or if the "; Dump complete" string does not appear in the
+# dump within 10 seconds.
+rndc_dumpdb() {
+	__ret=0
+	__dump_complete=0
+	__server="${1}"
+	__ip="10.53.0.$(echo "${__server}" | tr -c -d "0-9")"
+
+	shift
+	${RNDC} -c ../common/rndc.conf -p "${CONTROLPORT}" -s "${__ip}" dumpdb "$@" > "rndc.out.test${n}" 2>&1 || __ret=1
+
+	for _ in 0 1 2 3 4 5 6 7 8 9
+	do
+		if grep '^; Dump complete$' "${__server}/named_dump.db" > /dev/null; then
+			mv "${__server}/named_dump.db" "${__server}/named_dump.db.test${n}"
+			__dump_complete=1
+			break
+		fi
+		sleep 1
+	done
+
+	if [ ${__dump_complete} -eq 0 ]; then
+		echo_i "timed out waiting for 'rndc dumpdb' to finish"
+		__ret=1
+	fi
+
+	return ${__ret}
+}
+
+# get_dig_xfer_stats: extract transfer statistics from dig output stored
+# in $1, converting them to a format used by some system tests.
+get_dig_xfer_stats() {
+	LOGFILE="$1"
+	sed -n "s/^;; XFR size: .*messages \([0-9][0-9]*\).*/messages=\1/p" "${LOGFILE}"
+	sed -n "s/^;; XFR size: \([0-9][0-9]*\) records.*/records=\1/p" "${LOGFILE}"
+	sed -n "s/^;; XFR size: .*bytes \([0-9][0-9]*\).*/bytes=\1/p" "${LOGFILE}"
+}
+
+# get_named_xfer_stats: from named log file $1, extract transfer
+# statistics for the last transfer for peer $2 and zone $3 (from a log
+# message which has to contain the string provided in $4), converting
+# them to a format used by some system tests.
+get_named_xfer_stats() {
+	LOGFILE="$1"
+	PEER="$(echo $2 | sed 's/\./\\./g')"
+	ZONE="$(echo $3 | sed 's/\./\\./g')"
+	MESSAGE="$4"
+	grep " ${PEER}#.*${MESSAGE}:" "${LOGFILE}" | \
+		sed -n "s/.* '${ZONE}\/.* \([0-9][0-9]*\) messages.*/messages=\1/p" | tail -1
+	grep " ${PEER}#.*${MESSAGE}:" "${LOGFILE}" | \
+		sed -n "s/.* '${ZONE}\/.* \([0-9][0-9]*\) records.*/records=\1/p" | tail -1
+	grep " ${PEER}#.*${MESSAGE}:" "${LOGFILE}" | \
+		sed -n "s/.* '${ZONE}\/.* \([0-9][0-9]*\) bytes.*/bytes=\1/p" | tail -1
+}
+
+# copy_setports - Copy Configuration File and Replace Ports
+#
+# Convenience function to copy a configuration file, replacing the tokens
+# QUERYPORT, CONTROLPORT and EXTRAPORT[1-8] with the values of the equivalent
+# environment variables. (These values are set by test runner, which calls the
+# scripts invoking this function.)
+#
+# Usage:
+#   copy_setports infile outfile
+#
+copy_setports() {
+    dir=$(echo "$TMPDIR" | sed 's/\//\\\//g')
+
+    sed -e "s/@TMPDIR@/${dir}/g" \
+        -e "s/@PORT@/${PORT}/g" \
+        -e "s/@TLSPORT@/${TLSPORT}/g" \
+        -e "s/@HTTPPORT@/${HTTPPORT}/g" \
+        -e "s/@HTTPSPORT@/${HTTPSPORT}/g" \
+        -e "s/@EXTRAPORT1@/${EXTRAPORT1}/g" \
+        -e "s/@EXTRAPORT2@/${EXTRAPORT2}/g" \
+        -e "s/@EXTRAPORT3@/${EXTRAPORT3}/g" \
+        -e "s/@EXTRAPORT4@/${EXTRAPORT4}/g" \
+        -e "s/@EXTRAPORT5@/${EXTRAPORT5}/g" \
+        -e "s/@EXTRAPORT6@/${EXTRAPORT6}/g" \
+        -e "s/@EXTRAPORT7@/${EXTRAPORT7}/g" \
+        -e "s/@EXTRAPORT8@/${EXTRAPORT8}/g" \
+        -e "s/@CONTROLPORT@/${CONTROLPORT}/g" \
+        -e "s/@DEFAULT_ALGORITHM@/${DEFAULT_ALGORITHM}/g" \
+        -e "s/@DEFAULT_ALGORITHM_NUMBER@/${DEFAULT_ALGORITHM_NUMBER}/g" \
+        -e "s/@DEFAULT_BITS@/${DEFAULT_BITS}/g" \
+        -e "s/@ALTERNATIVE_ALGORITHM@/${ALTERNATIVE_ALGORITHM}/g" \
+        -e "s/@ALTERNATIVE_ALGORITHM_NUMBER@/${ALTERNATIVE_ALGORITHM_NUMBER}/g" \
+        -e "s/@ALTERNATIVE_BITS@/${ALTERNATIVE_BITS}/g" \
+        -e "s/@DEFAULT_HMAC@/${DEFAULT_HMAC}/g" \
+        -e "s/@DISABLED_ALGORITHM@/${DISABLED_ALGORITHM}/g" \
+        -e "s/@DISABLED_ALGORITHM_NUMBER@/${DISABLED_ALGORITHM_NUMBER}/g" \
+        -e "s/@DISABLED_BITS@/${DISABLED_BITS}/g" \
+        $1 > $2
+}
diff --git a/bin/tests/system/conf.sh.in b/bin/tests/system/conf.sh.in
new file mode 100644
index 0000000..1a2fe73
--- /dev/null
+++ b/bin/tests/system/conf.sh.in
@@ -0,0 +1,130 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Common configuration data for system tests, to be sourced into
+# other shell scripts.
+#
+
+# Find the top of the BIND9 tree.
+export TOP_BUILDDIR=@abs_top_builddir@
+export TOP_SRCDIR=@abs_top_srcdir@
+
+# Provide TMPDIR variable for tests that need it.
+export TMPDIR=${TMPDIR:-/tmp}
+
+export ARPANAME=$TOP_BUILDDIR/bin/tools/arpaname
+export CDS=$TOP_BUILDDIR/bin/dnssec/dnssec-cds
+export CHECKCONF=$TOP_BUILDDIR/bin/check/named-checkconf
+export CHECKZONE=$TOP_BUILDDIR/bin/check/named-checkzone
+if [ -z "$TSAN_OPTIONS" ]; then  # workaround for GL#4119
+    export DELV=$TOP_BUILDDIR/bin/delv/delv
+    export RESOLVE=$TOP_BUILDDIR/bin/tests/system/resolve
+else
+    export DELV=:
+    export RESOLVE=:
+fi
+export DIG=$TOP_BUILDDIR/bin/dig/dig
+export DNSTAPREAD=$TOP_BUILDDIR/bin/tools/dnstap-read
+export DSFROMKEY=$TOP_BUILDDIR/bin/dnssec/dnssec-dsfromkey
+export FEATURETEST=$TOP_BUILDDIR/bin/tests/system/feature-test
+export FSTRM_CAPTURE=@FSTRM_CAPTURE@
+export HOST=$TOP_BUILDDIR/bin/dig/host
+export IMPORTKEY=$TOP_BUILDDIR/bin/dnssec/dnssec-importkey
+export JOURNALPRINT=$TOP_BUILDDIR/bin/tools/named-journalprint
+export KEYFRLAB=$TOP_BUILDDIR/bin/dnssec/dnssec-keyfromlabel
+export KEYGEN=$TOP_BUILDDIR/bin/dnssec/dnssec-keygen
+export MDIG=$TOP_BUILDDIR/bin/tools/mdig
+export NAMED=$TOP_BUILDDIR/bin/named/named
+export NSEC3HASH=$TOP_BUILDDIR/bin/tools/nsec3hash
+export NSLOOKUP=$TOP_BUILDDIR/bin/dig/nslookup
+export NSUPDATE=$TOP_BUILDDIR/bin/nsupdate/nsupdate
+export NZD2NZF=$TOP_BUILDDIR/bin/tools/named-nzd2nzf
+export REVOKE=$TOP_BUILDDIR/bin/dnssec/dnssec-revoke
+export RNDC=$TOP_BUILDDIR/bin/rndc/rndc
+export RNDCCONFGEN=$TOP_BUILDDIR/bin/confgen/rndc-confgen
+export RRCHECKER=$TOP_BUILDDIR/bin/tools/named-rrchecker
+export SETTIME=$TOP_BUILDDIR/bin/dnssec/dnssec-settime
+export SIGNER=$TOP_BUILDDIR/bin/dnssec/dnssec-signzone
+export TSIGKEYGEN=$TOP_BUILDDIR/bin/confgen/tsig-keygen
+export VERIFY=$TOP_BUILDDIR/bin/dnssec/dnssec-verify
+export WIRETEST=$TOP_BUILDDIR/bin/tests/wire_test
+
+export BIGKEY=$TOP_BUILDDIR/bin/tests/system/rsabigexponent/bigkey
+export GENCHECK=$TOP_BUILDDIR/bin/tests/system/rndc/gencheck
+export KEYCREATE=$TOP_BUILDDIR/bin/tests/system/tkey/keycreate
+export KEYDELETE=$TOP_BUILDDIR/bin/tests/system/tkey/keydelete
+export MAKEJOURNAL=$TOP_BUILDDIR/bin/tests/system/makejournal
+export PIPEQUERIES=$TOP_BUILDDIR/bin/tests/system/pipelined/pipequeries
+
+# we don't want a KRB5_CONFIG setting breaking the tests
+export KRB5_CONFIG=/dev/null
+# use local keytab instead of default /etc/krb5.keytab
+export KRB5_KTNAME=dns.keytab
+
+#
+# Programs detected by configure
+# Variables will be empty if no program was found by configure
+#
+export SHELL=@SHELL@
+export CURL=@CURL@
+export NC=@NC@
+export XMLLINT=@XMLLINT@
+export XSLTPROC=@XSLTPROC@
+export PYTEST=@PYTEST@
+
+#
+# Interpreters for system tests detected by configure
+#
+export PERL=$(command -v "@PERL@" || true)
+if ! test -x "$PERL"; then
+    echo "Perl interpreter is required for system tests."
+    exit 77
+fi
+export PYTHON=$(command -v "@PYTHON@" || true)
+if ! test -x "$PYTHON"; then
+    echo "Python interpreter is required for system tests."
+    exit 77
+fi
+
+# Load common values
+. $TOP_SRCDIR/bin/tests/system/conf.sh.common
+
+#
+# Construct the lists of tests to run
+#
+SEQUENTIAL_UNIX=""
+SEQUENTIALDIRS="$SEQUENTIAL_COMMON $SEQUENTIAL_UNIX"
+
+PARALLEL_UNIX="@DNSTAP@
+chain
+checkds
+cookie
+dlzexternal
+dnssec
+dyndb
+enginepkcs11
+filter-aaaa
+kasp
+keyfromlabel
+keymgr2kasp
+legacy
+logfileconfig
+nzd2nzf
+pipelined
+qmin
+shutdown
+tcp"
+PARALLELDIRS="$PARALLEL_COMMON $PARALLEL_UNIX"
+
+SUBDIRS="$SEQUENTIALDIRS $PARALLELDIRS"
diff --git a/bin/tests/system/conftest.py b/bin/tests/system/conftest.py
new file mode 100644
index 0000000..50510a0
--- /dev/null
+++ b/bin/tests/system/conftest.py
@@ -0,0 +1,639 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import logging
+import os
+import pytest
+
+
+# ======================= LEGACY=COMPATIBLE FIXTURES =========================
+# The following fixtures are designed to work with both pytest system test
+# runner and the legacy system test framework.
+#
+# FUTURE: Rewrite the individual port fixtures to re-use the `ports` fixture.
+
+
+@pytest.fixture(scope="module")
+def named_port():
+    return int(os.environ.get("PORT", default=5300))
+
+
+@pytest.fixture(scope="module")
+def named_tlsport():
+    return int(os.environ.get("TLSPORT", default=8853))
+
+
+@pytest.fixture(scope="module")
+def named_httpsport():
+    return int(os.environ.get("HTTPSPORT", default=4443))
+
+
+@pytest.fixture(scope="module")
+def control_port():
+    return int(os.environ.get("CONTROLPORT", default=9953))
+
+
+if os.getenv("LEGACY_TEST_RUNNER", "0") != "0":
+
+    @pytest.fixture
+    def logger(request):
+        """Logging facility specific to a particular test."""
+        return logging.getLogger(request.node.name)
+
+else:
+    # ======================= PYTEST SYSTEM TEST RUNNER ==========================
+    # From this point onward, any setting, fixtures or functions only apply to the
+    # new pytest runner. Ideally, these would be in a separate file. However, due
+    # to how pytest works and how it's used by the legacy runner, the best approach
+    # is to have everything in this file to avoid duplication and set the
+    # LEGACY_TEST_RUNNER if pytest is executed from the legacy framework.
+    #
+    # FUTURE: Once legacy runner is no longer supported, remove the env var and
+    # don't branch the code.
+
+    from functools import partial
+    from pathlib import Path
+    import re
+    import shutil
+    import subprocess
+    import tempfile
+    import time
+    from typing import Any, Dict, List, Optional
+
+    # Silence warnings caused by passing a pytest fixture to another fixture.
+    # pylint: disable=redefined-outer-name
+
+    # ----------------- Older pytest / xdist compatibility -------------------
+    # As of 2023-01-11, the minimal supported pytest / xdist versions are
+    # determined by what is available in EL8/EPEL8:
+    # - pytest 3.4.2
+    # - pytest-xdist 1.24.1
+    _pytest_ver = pytest.__version__.split(".")
+    _pytest_major_ver = int(_pytest_ver[0])
+    if _pytest_major_ver < 7:
+        # pytest.Stash/pytest.StashKey mechanism has been added in 7.0.0
+        # for older versions, use regular dictionary with string keys instead
+        FIXTURE_OK = "fixture_ok"  # type: Any
+    else:
+        FIXTURE_OK = pytest.StashKey[bool]()  # pylint: disable=no-member
+
+    # ----------------------- Globals definition -----------------------------
+
+    LOG_FORMAT = "%(asctime)s %(levelname)7s:%(name)s  %(message)s"
+    XDIST_WORKER = os.environ.get("PYTEST_XDIST_WORKER", "")
+    FILE_DIR = os.path.abspath(Path(__file__).parent)
+    ENV_RE = re.compile(b"([^=]+)=(.*)")
+    PORT_MIN = 5001
+    PORT_MAX = 32767
+    PORTS_PER_TEST = 20
+    PRIORITY_TESTS = [
+        # Tests that are scheduled first. Speeds up parallel execution.
+        "dupsigs/",
+        "rpz/",
+        "rpzrecurse/",
+        "serve-stale/",
+        "timeouts/",
+        "upforwd/",
+    ]
+    PRIORITY_TESTS_RE = re.compile("|".join(PRIORITY_TESTS))
+    CONFTEST_LOGGER = logging.getLogger("conftest")
+    SYSTEM_TEST_DIR_GIT_PATH = "bin/tests/system"
+    SYSTEM_TEST_NAME_RE = re.compile(f"{SYSTEM_TEST_DIR_GIT_PATH}" + r"/([^/]+)")
+    SYMLINK_REPLACEMENT_RE = re.compile(r"/tests(_sh(?=_))?(.*)\.py")
+
+    # ---------------------- Module initialization ---------------------------
+
+    def init_pytest_conftest_logger(conftest_logger):
+        """
+        This initializes the conftest logger which is used for pytest setup
+        and configuration before tests are executed -- aka any logging in this
+        file that is _not_ module-specific.
+        """
+        conftest_logger.setLevel(logging.DEBUG)
+        file_handler = logging.FileHandler("pytest.conftest.log.txt")
+        file_handler.setLevel(logging.DEBUG)
+        file_handler.setFormatter(logging.Formatter(LOG_FORMAT))
+        conftest_logger.addHandler(file_handler)
+
+    init_pytest_conftest_logger(CONFTEST_LOGGER)
+
+    def avoid_duplicated_logs():
+        """
+        Remove direct root logger output to file descriptors.
+        This default is causing duplicates because all our messages go through
+        regular logging as well and are thus displayed twice.
+        """
+        todel = []
+        for handler in logging.root.handlers:
+            if handler.__class__ == logging.StreamHandler:
+                # Beware: As for pytest 7.2.2, LiveLogging and LogCapture
+                # handlers inherit from logging.StreamHandler
+                todel.append(handler)
+        for handler in todel:
+            logging.root.handlers.remove(handler)
+
+    def parse_env(env_bytes):
+        """Parse the POSIX env format into Python dictionary."""
+        out = {}
+        for line in env_bytes.splitlines():
+            match = ENV_RE.match(line)
+            if match:
+                # EL8+ workaround for https://access.redhat.com/solutions/6994985
+                # FUTURE: can be removed when we no longer need to parse env vars
+                if match.groups()[0] in [b"which_declare", b"BASH_FUNC_which%%"]:
+                    continue
+                out[match.groups()[0]] = match.groups()[1]
+        return out
+
+    def get_env_bytes(cmd):
+        try:
+            proc = subprocess.run(
+                [cmd],
+                shell=True,
+                check=True,
+                cwd=FILE_DIR,
+                stdout=subprocess.PIPE,
+            )
+        except subprocess.CalledProcessError as exc:
+            CONFTEST_LOGGER.error("failed to get shell env: %s", exc)
+            raise exc
+        env_bytes = proc.stdout
+        return parse_env(env_bytes)
+
+    # Read common environment variables for running tests from conf.sh.
+    # FUTURE: Remove conf.sh entirely and define all variables in pytest only.
+    CONF_ENV = get_env_bytes(". ./conf.sh && env")
+    os.environb.update(CONF_ENV)
+    CONFTEST_LOGGER.debug(
+        "variables in env: %s", ", ".join([str(key) for key in CONF_ENV])
+    )
+
+    # --------------------------- pytest hooks -------------------------------
+
+    def pytest_addoption(parser):
+        parser.addoption(
+            "--noclean",
+            action="store_true",
+            default=False,
+            help="don't remove the temporary test directories with artifacts",
+        )
+
+    def pytest_configure(config):
+        # Ensure this hook only runs on the main pytest instance if xdist is
+        # used to spawn other workers.
+        if not XDIST_WORKER:
+            if config.pluginmanager.has_plugin("xdist") and config.option.numprocesses:
+                # system tests depend on module scope for setup & teardown
+                # enforce use "loadscope" scheduler or disable paralelism
+                try:
+                    import xdist.scheduler.loadscope  # pylint: disable=unused-import
+                except ImportError:
+                    CONFTEST_LOGGER.debug(
+                        "xdist is too old and does not have "
+                        "scheduler.loadscope, disabling parallelism"
+                    )
+                    config.option.dist = "no"
+                else:
+                    config.option.dist = "loadscope"
+
+    def pytest_ignore_collect(path):
+        # System tests are executed in temporary directories inside
+        # bin/tests/system. These temporary directories contain all files
+        # needed for the system tests - including tests_*.py files. Make sure to
+        # ignore these during test collection phase. Otherwise, test artifacts
+        # from previous runs could mess with the runner. Also ignore the
+        # convenience symlinks to those test directories. In both of those
+        # cases, the system test name (directory) contains an underscore, which
+        # is otherwise and invalid character for a system test name.
+        match = SYSTEM_TEST_NAME_RE.search(str(path))
+        if match is None:
+            CONFTEST_LOGGER.warning("unexpected test path: %s (ignored)", path)
+            return True
+        system_test_name = match.groups()[0]
+        return "_" in system_test_name
+
+    def pytest_collection_modifyitems(items):
+        """Schedule long-running tests first to get more benefit from parallelism."""
+        priority = []
+        other = []
+        for item in items:
+            if PRIORITY_TESTS_RE.search(item.nodeid):
+                priority.append(item)
+            else:
+                other.append(item)
+        items[:] = priority + other
+
+    class NodeResult:
+        def __init__(self, report=None):
+            self.outcome = None
+            self.messages = []
+            if report is not None:
+                self.update(report)
+
+        def update(self, report):
+            if self.outcome is None or report.outcome != "passed":
+                self.outcome = report.outcome
+            if report.longreprtext:
+                self.messages.append(report.longreprtext)
+
+    @pytest.hookimpl(tryfirst=True, hookwrapper=True)
+    def pytest_runtest_makereport(item):
+        """Hook that is used to expose test results to session (for use in fixtures)."""
+        # execute all other hooks to obtain the report object
+        outcome = yield
+        report = outcome.get_result()
+
+        # Set the test outcome in session, so we can access it from module-level
+        # fixture using nodeid. Note that this hook is called three times: for
+        # setup, call and teardown. We only care about the overall result so we
+        # merge the results together and preserve the information whether a test
+        # passed.
+        test_results = {}
+        try:
+            test_results = getattr(item.session, "test_results")
+        except AttributeError:
+            setattr(item.session, "test_results", test_results)
+        node_result = test_results.setdefault(item.nodeid, NodeResult())
+        node_result.update(report)
+
+    # --------------------------- Fixtures -----------------------------------
+
+    @pytest.fixture(scope="session")
+    def modules():
+        """Sorted list of all modules. Used to determine port distribution."""
+        mods = []
+        for dirpath, _dirs, files in os.walk(os.getcwd()):
+            for file in files:
+                if file.startswith("tests_") and file.endswith(".py"):
+                    mod = f"{dirpath}/{file}"
+                    mods.append(mod)
+        return sorted(mods)
+
+    @pytest.fixture(scope="session")
+    def module_base_ports(modules):
+        """
+        Dictionary containing assigned base port for every module.
+
+        Note that this is a session-wide fixture. The port numbers are
+        deterministically assigned before any testing starts. This fixture MUST
+        return the same value when called again during the same test session.
+        When running tests in parallel, this is exactly what happens - every
+        worker thread will call this fixture to determine test ports.
+        """
+        port_min = PORT_MIN
+        port_max = PORT_MAX - len(modules) * PORTS_PER_TEST
+        if port_max < port_min:
+            raise RuntimeError(
+                "not enough ports to assign unique port set to each module"
+            )
+
+        # Rotate the base port value over time to detect possible test issues
+        # with using random ports. This introduces a very slight race condition
+        # risk. If this value changes between pytest invocation and spawning
+        # worker threads, multiple tests may have same port values assigned. If
+        # these tests are then executed simultaneously, the test results will
+        # be misleading.
+        base_port = int(time.time() // 3600) % (port_max - port_min) + port_min
+
+        return {mod: base_port + i * PORTS_PER_TEST for i, mod in enumerate(modules)}
+
+    @pytest.fixture(scope="module")
+    def base_port(request, module_base_ports):
+        """Start of the port range assigned to a particular test module."""
+        port = module_base_ports[request.fspath]
+        return port
+
+    @pytest.fixture(scope="module")
+    def ports(base_port):
+        """Dictionary containing port names and their assigned values."""
+        return {
+            "PORT": str(base_port),
+            "TLSPORT": str(base_port + 1),
+            "HTTPPORT": str(base_port + 2),
+            "HTTPSPORT": str(base_port + 3),
+            "EXTRAPORT1": str(base_port + 4),
+            "EXTRAPORT2": str(base_port + 5),
+            "EXTRAPORT3": str(base_port + 6),
+            "EXTRAPORT4": str(base_port + 7),
+            "EXTRAPORT5": str(base_port + 8),
+            "EXTRAPORT6": str(base_port + 9),
+            "EXTRAPORT7": str(base_port + 10),
+            "EXTRAPORT8": str(base_port + 11),
+            "CONTROLPORT": str(base_port + 12),
+        }
+
+    @pytest.fixture(scope="module")
+    def env(ports):
+        """Dictionary containing environment variables for the test."""
+        env = os.environ.copy()
+        env.update(ports)
+        env["builddir"] = f"{env['TOP_BUILDDIR']}/{SYSTEM_TEST_DIR_GIT_PATH}"
+        env["srcdir"] = f"{env['TOP_SRCDIR']}/{SYSTEM_TEST_DIR_GIT_PATH}"
+        return env
+
+    @pytest.fixture(scope="module")
+    def system_test_name(request):
+        """Name of the system test directory."""
+        path = Path(request.fspath)
+        return path.parent.name
+
+    @pytest.fixture(scope="module")
+    def mlogger(system_test_name):
+        """Logging facility specific to this test module."""
+        avoid_duplicated_logs()
+        return logging.getLogger(system_test_name)
+
+    @pytest.fixture
+    def logger(request, system_test_name):
+        """Logging facility specific to a particular test."""
+        return logging.getLogger(f"{system_test_name}.{request.node.name}")
+
+    @pytest.fixture(scope="module")
+    def system_test_dir(
+        request, env, system_test_name, mlogger
+    ):  # pylint: disable=too-many-statements,too-many-locals
+        """
+        Temporary directory for executing the test.
+
+        This fixture is responsible for creating (and potentially removing) a
+        copy of the system test directory which is used as a temporary
+        directory for the test execution.
+
+        FUTURE: This removes the need to have clean.sh scripts.
+        """
+
+        def get_test_result():
+            """Aggregate test results from all individual tests from this module
+            into a single result: failed > skipped > passed."""
+            try:
+                all_test_results = request.session.test_results
+            except AttributeError:
+                # This may happen if pytest execution is interrupted and
+                # pytest_runtest_makereport() is never called.
+                mlogger.debug("can't obtain test results, test run was interrupted")
+                return "error"
+            test_results = {
+                node.nodeid: all_test_results[node.nodeid]
+                for node in request.node.collect()
+                if node.nodeid in all_test_results
+            }
+            assert len(test_results)
+            messages = []
+            for node, result in test_results.items():
+                mlogger.debug("%s %s", result.outcome.upper(), node)
+                messages.extend(result.messages)
+            for message in messages:
+                mlogger.debug("\n" + message)
+            failed = any(res.outcome == "failed" for res in test_results.values())
+            skipped = any(res.outcome == "skipped" for res in test_results.values())
+            if failed:
+                return "failed"
+            if skipped:
+                return "skipped"
+            assert all(res.outcome == "passed" for res in test_results.values())
+            return "passed"
+
+        def unlink(path):
+            try:
+                path.unlink()  # missing_ok=True isn't available on Python 3.6
+            except FileNotFoundError:
+                pass
+
+        # Create a temporary directory with a copy of the original system test dir contents
+        system_test_root = Path(f"{env['TOP_BUILDDIR']}/{SYSTEM_TEST_DIR_GIT_PATH}")
+        testdir = Path(
+            tempfile.mkdtemp(prefix=f"{system_test_name}_tmp_", dir=system_test_root)
+        )
+        shutil.rmtree(testdir)
+        shutil.copytree(system_test_root / system_test_name, testdir)
+
+        # Create a convenience symlink with a stable and predictable name
+        module_name = SYMLINK_REPLACEMENT_RE.sub(r"\2", request.node.name)
+        symlink_dst = system_test_root / module_name
+        unlink(symlink_dst)
+        symlink_dst.symlink_to(os.path.relpath(testdir, start=system_test_root))
+
+        # Configure logger to write to a file inside the temporary test directory
+        mlogger.handlers.clear()
+        mlogger.setLevel(logging.DEBUG)
+        handler = logging.FileHandler(testdir / "pytest.log.txt", mode="w")
+        formatter = logging.Formatter(LOG_FORMAT)
+        handler.setFormatter(formatter)
+        mlogger.addHandler(handler)
+
+        # System tests are meant to be executed from their directory - switch to it.
+        old_cwd = os.getcwd()
+        os.chdir(testdir)
+        mlogger.debug("switching to tmpdir: %s", testdir)
+        try:
+            yield testdir  # other fixtures / tests will execute here
+        finally:
+            os.chdir(old_cwd)
+            mlogger.debug("changed workdir to: %s", old_cwd)
+
+            result = get_test_result()
+
+            # Clean temporary dir unless it should be kept
+            keep = False
+            if request.config.getoption("--noclean"):
+                mlogger.debug(
+                    "--noclean requested, keeping temporary directory %s", testdir
+                )
+                keep = True
+            elif result == "failed":
+                mlogger.debug(
+                    "test failure detected, keeping temporary directory %s", testdir
+                )
+                keep = True
+            elif not request.node.stash[FIXTURE_OK]:
+                mlogger.debug(
+                    "test setup/teardown issue detected, keeping temporary directory %s",
+                    testdir,
+                )
+                keep = True
+
+            if keep:
+                mlogger.info(
+                    "test artifacts in: %s", symlink_dst.relative_to(system_test_root)
+                )
+            else:
+                mlogger.debug("deleting temporary directory")
+                handler.flush()
+                handler.close()
+                shutil.rmtree(testdir)
+                unlink(symlink_dst)
+
+    def _run_script(  # pylint: disable=too-many-arguments
+        env,
+        mlogger,
+        system_test_dir: Path,
+        interpreter: str,
+        script: str,
+        args: Optional[List[str]] = None,
+    ):
+        """Helper function for the shell / perl script invocations (through fixtures below)."""
+        if args is None:
+            args = []
+        path = Path(script)
+        if not path.is_absolute():
+            # make sure relative paths are always relative to system_dir
+            path = system_test_dir.parent / path
+        script = str(path)
+        cwd = os.getcwd()
+        if not path.exists():
+            raise FileNotFoundError(f"script {script} not found in {cwd}")
+        mlogger.debug("running script: %s %s %s", interpreter, script, " ".join(args))
+        mlogger.debug("  workdir: %s", cwd)
+        returncode = 1
+
+        cmd = [interpreter, script] + args
+        with subprocess.Popen(
+            cmd,
+            env=env,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT,
+            bufsize=1,
+            universal_newlines=True,
+            errors="backslashreplace",
+        ) as proc:
+            if proc.stdout:
+                for line in proc.stdout:
+                    mlogger.info("    %s", line.rstrip("\n"))
+            proc.communicate()
+            returncode = proc.returncode
+            if returncode:
+                raise subprocess.CalledProcessError(returncode, cmd)
+            mlogger.debug("  exited with %d", returncode)
+
+    @pytest.fixture(scope="module")
+    def shell(env, system_test_dir, mlogger):
+        """Function to call a shell script with arguments."""
+        return partial(_run_script, env, mlogger, system_test_dir, env["SHELL"])
+
+    @pytest.fixture(scope="module")
+    def perl(env, system_test_dir, mlogger):
+        """Function to call a perl script with arguments."""
+        return partial(_run_script, env, mlogger, system_test_dir, env["PERL"])
+
+    @pytest.fixture(scope="module")
+    def run_tests_sh(system_test_dir, shell):
+        """Utility function to execute tests.sh as a python test."""
+
+        def run_tests():
+            shell(f"{system_test_dir}/tests.sh")
+
+        return run_tests
+
+    @pytest.fixture(scope="module", autouse=True)
+    def system_test(  # pylint: disable=too-many-arguments,too-many-statements
+        request,
+        env: Dict[str, str],
+        mlogger,
+        system_test_dir,
+        shell,
+        perl,
+    ):
+        """
+        Driver of the test setup/teardown process. Used automatically for every test module.
+
+        This is the most important one-fixture-to-rule-them-all. Note the
+        autouse=True which causes this fixture to be loaded by every test
+        module without the need to explicitly specify it.
+
+        When this fixture is used, it utilizes other fixtures, such as
+        system_test_dir, which handles the creation of the temporary test
+        directory.
+
+        Afterwards, it checks the test environment and takes care of starting
+        the servers. When everything is ready, that's when the actual tests are
+        executed. Once that is done, this fixture stops the servers and checks
+        for any artifacts indicating an issue (e.g. coredumps).
+
+        Finally, when this fixture reaches an end (or encounters an exception,
+        which may be caused by fail/skip invocations), any fixtures which is
+        used by this one are finalized - e.g. system_test_dir performs final
+        checks and cleans up the temporary test directory.
+        """
+
+        def check_net_interfaces():
+            try:
+                perl("testsock.pl", ["-p", env["PORT"]])
+            except subprocess.CalledProcessError as exc:
+                mlogger.error("testsock.pl: exited with code %d", exc.returncode)
+                pytest.skip("Network interface aliases not set up.")
+
+        def check_prerequisites():
+            try:
+                shell(f"{system_test_dir}/prereq.sh")
+            except FileNotFoundError:
+                pass  # prereq.sh is optional
+            except subprocess.CalledProcessError:
+                pytest.skip("Prerequisites missing.")
+
+        def setup_test():
+            try:
+                shell(f"{system_test_dir}/setup.sh")
+            except FileNotFoundError:
+                pass  # setup.sh is optional
+            except subprocess.CalledProcessError as exc:
+                mlogger.error("Failed to run test setup")
+                pytest.fail(f"setup.sh exited with {exc.returncode}")
+
+        def start_servers():
+            try:
+                perl("start.pl", ["--port", env["PORT"], system_test_dir.name])
+            except subprocess.CalledProcessError as exc:
+                mlogger.error("Failed to start servers")
+                pytest.fail(f"start.pl exited with {exc.returncode}")
+
+        def stop_servers():
+            try:
+                perl("stop.pl", [system_test_dir.name])
+            except subprocess.CalledProcessError as exc:
+                mlogger.error("Failed to stop servers")
+                get_core_dumps()
+                pytest.fail(f"stop.pl exited with {exc.returncode}")
+
+        def get_core_dumps():
+            try:
+                shell("get_core_dumps.sh", [system_test_dir.name])
+            except subprocess.CalledProcessError as exc:
+                mlogger.error("Found core dumps or sanitizer reports")
+                pytest.fail(f"get_core_dumps.sh exited with {exc.returncode}")
+
+        os.environ.update(env)  # Ensure pytests have the same env vars as shell tests.
+        mlogger.info(f"test started: {request.node.name}")
+        port = int(env["PORT"])
+        mlogger.info("using port range: <%d, %d>", port, port + PORTS_PER_TEST - 1)
+
+        if not hasattr(request.node, "stash"):  # compatibility with pytest<7.0.0
+            request.node.stash = {}  # use regular dict instead of pytest.Stash
+        request.node.stash[FIXTURE_OK] = True
+
+        # Perform checks which may skip this test.
+        check_net_interfaces()
+        check_prerequisites()
+
+        # Store the fact that this fixture hasn't successfully finished yet.
+        # This is checked before temporary directory teardown to decide whether
+        # it's okay to remove the directory.
+        request.node.stash[FIXTURE_OK] = False
+
+        setup_test()
+        try:
+            start_servers()
+            mlogger.debug("executing test(s)")
+            yield
+        finally:
+            mlogger.debug("test(s) finished")
+            stop_servers()
+            get_core_dumps()
+            request.node.stash[FIXTURE_OK] = True
diff --git a/bin/tests/system/cookie/ans9/ans.py b/bin/tests/system/cookie/ans9/ans.py
new file mode 100644
index 0000000..6f90797
--- /dev/null
+++ b/bin/tests/system/cookie/ans9/ans.py
@@ -0,0 +1,308 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from __future__ import print_function
+import os
+import sys
+import signal
+import socket
+import select
+from datetime import datetime, timedelta
+import time
+import functools
+
+import dns
+import dns.edns
+import dns.flags
+import dns.message
+import dns.query
+import dns.tsig
+import dns.tsigkeyring
+import dns.version
+
+from dns.edns import *
+from dns.name import *
+from dns.rcode import *
+from dns.rdataclass import *
+from dns.rdatatype import *
+from dns.tsig import *
+
+
+# Log query to file
+def logquery(type, qname):
+    with open("qlog", "a") as f:
+        f.write("%s %s\n", type, qname)
+
+
+# DNS 2.0 keyring specifies the algorithm
+try:
+    keyring = dns.tsigkeyring.from_text(
+        {
+            "foo": {"hmac-sha256", "aaaaaaaaaaaa"},
+            "fake": {"hmac-sha256", "aaaaaaaaaaaa"},
+        }
+    )
+except:
+    keyring = dns.tsigkeyring.from_text({"foo": "aaaaaaaaaaaa", "fake": "aaaaaaaaaaaa"})
+
+dopass2 = False
+
+
+############################################################################
+#
+# This server will serve valid and spoofed answers. A spoofed answer will
+# have the address 10.53.0.10 included.
+#
+# When receiving a query over UDP:
+#
+# A query to "nocookie"/A will result in a spoofed answer with no cookie set.
+# A query to "tcponly"/A will result in a spoofed answer with no cookie set.
+# A query to "withtsig"/A will result in two responses, the first is a spoofed
+# answer that is TSIG signed, the second is a valid answer with a cookie set.
+# A query to anything else will result in a valid answer with a cookie set.
+#
+# When receiving a query over TCP:
+#
+# A query to "nocookie"/A will result in a valid answer with no cookie set.
+# A query to anything else will result in a valid answer with a cookie set.
+#
+############################################################################
+def create_response(msg, tcp, first, ns10):
+    global dopass2
+    m = dns.message.from_wire(msg, keyring=keyring)
+    qname = m.question[0].name.to_text()
+    lqname = qname.lower()
+    labels = lqname.split(".")
+    rrtype = m.question[0].rdtype
+    typename = dns.rdatatype.to_text(rrtype)
+
+    with open("query.log", "a") as f:
+        f.write("%s %s\n" % (typename, qname))
+        print("%s %s" % (typename, qname), end=" ")
+
+    r = dns.message.make_response(m)
+    r.set_rcode(NOERROR)
+    if rrtype == A:
+        # exempt potential nameserver A records.
+        if labels[0] == "ns" and ns10:
+            r.answer.append(dns.rrset.from_text(qname, 1, IN, A, "10.53.0.10"))
+        else:
+            r.answer.append(dns.rrset.from_text(qname, 1, IN, A, "10.53.0.9"))
+        if not tcp and labels[0] == "nocookie":
+            r.answer.append(dns.rrset.from_text(qname, 1, IN, A, "10.53.0.10"))
+        if not tcp and labels[0] == "tcponly":
+            r.answer.append(dns.rrset.from_text(qname, 1, IN, A, "10.53.0.10"))
+        if first and not tcp and labels[0] == "withtsig":
+            r.answer.append(dns.rrset.from_text(qname, 1, IN, A, "10.53.0.10"))
+            dopass2 = True
+    elif rrtype == NS:
+        r.answer.append(dns.rrset.from_text(qname, 1, IN, NS, "."))
+    elif rrtype == SOA:
+        r.answer.append(dns.rrset.from_text(qname, 1, IN, SOA, ". . 0 0 0 0 0"))
+    else:
+        r.authority.append(dns.rrset.from_text(qname, 1, IN, SOA, ". . 0 0 0 0 0"))
+    # Add a server cookie to the response
+    if labels[0] != "nocookie":
+        for o in m.options:
+            if o.otype == 10:  # Use 10 instead of COOKIE
+                if first and labels[0] == "withtsig" and not tcp:
+                    r.use_tsig(
+                        keyring=keyring,
+                        keyname=dns.name.from_text("fake"),
+                        algorithm=HMAC_SHA256,
+                    )
+                elif labels[0] != "tcponly" or tcp:
+                    cookie = o
+                    if len(o.data) == 8:
+                        cookie.data = o.data + o.data
+                    else:
+                        cookie.data = o.data
+                    r.use_edns(options=[cookie])
+    r.flags |= dns.flags.AA
+    return r
+
+
+def sigterm(signum, frame):
+    print("Shutting down now...")
+    os.remove("ans.pid")
+    running = False
+    sys.exit(0)
+
+
+############################################################################
+# Main
+#
+# Set up responder and control channel, open the pid file, and start
+# the main loop, listening for queries on the query channel or commands
+# on the control channel and acting on them.
+############################################################################
+ip4_addr1 = "10.53.0.9"
+ip4_addr2 = "10.53.0.10"
+ip6_addr1 = "fd92:7065:b8e:ffff::9"
+ip6_addr2 = "fd92:7065:b8e:ffff::10"
+
+try:
+    port = int(os.environ["PORT"])
+except:
+    port = 5300
+
+query4_udp1 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+query4_udp1.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+query4_udp1.bind((ip4_addr1, port))
+query4_tcp1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+query4_tcp1.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+query4_tcp1.bind((ip4_addr1, port))
+query4_tcp1.listen(1)
+query4_tcp1.settimeout(1)
+
+query4_udp2 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+query4_udp2.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+query4_udp2.bind((ip4_addr2, port))
+query4_tcp2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+query4_tcp2.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+query4_tcp2.bind((ip4_addr2, port))
+query4_tcp2.listen(1)
+query4_tcp2.settimeout(1)
+
+havev6 = True
+query6_udp1 = None
+query6_udp2 = None
+query6_tcp1 = None
+query6_tcp2 = None
+try:
+    query6_udp1 = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+    query6_udp1.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    query6_udp1.bind((ip6_addr1, port))
+    query6_tcp1 = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
+    query6_tcp1.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    query6_tcp1.bind((ip6_addr1, port))
+    query6_tcp1.listen(1)
+    query6_tcp1.settimeout(1)
+
+    query6_udp2 = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+    query6_udp2.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    query6_udp2.bind((ip6_addr2, port))
+    query6_tcp2 = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
+    query6_tcp2.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    query6_tcp2.bind((ip6_addr2, port))
+    query6_tcp2.listen(1)
+    query6_tcp2.settimeout(1)
+except:
+    if query6_udp1 != None:
+        query6_udp1.close()
+    if query6_tcp1 != None:
+        query6_tcp1.close()
+    if query6_udp2 != None:
+        query6_udp2.close()
+    if query6_tcp2 != None:
+        query6_tcp2.close()
+    havev6 = False
+
+signal.signal(signal.SIGTERM, sigterm)
+
+f = open("ans.pid", "w")
+pid = os.getpid()
+print(pid, file=f)
+f.close()
+
+running = True
+
+print("Using DNS version %s" % dns.version.version)
+print("Listening on %s port %d" % (ip4_addr1, port))
+print("Listening on %s port %d" % (ip4_addr2, port))
+if havev6:
+    print("Listening on %s port %d" % (ip6_addr1, port))
+    print("Listening on %s port %d" % (ip6_addr2, port))
+print("Ctrl-c to quit")
+
+if havev6:
+    input = [
+        query4_udp1,
+        query6_udp1,
+        query4_tcp1,
+        query6_tcp1,
+        query4_udp2,
+        query6_udp2,
+        query4_tcp2,
+        query6_tcp2,
+    ]
+else:
+    input = [query4_udp1, query4_tcp1, query4_udp2, query4_tcp2]
+
+while running:
+    try:
+        inputready, outputready, exceptready = select.select(input, [], [])
+    except select.error as e:
+        break
+    except socket.error as e:
+        break
+    except KeyboardInterrupt:
+        break
+
+    for s in inputready:
+        ns10 = False
+        if s == query4_udp1 or s == query6_udp1 or s == query4_udp2 or s == query6_udp2:
+            if s == query4_udp1 or s == query6_udp1:
+                print(
+                    "UDP Query received on %s"
+                    % (ip4_addr1 if s == query4_udp1 else ip6_addr1),
+                    end=" ",
+                )
+            if s == query4_udp2 or s == query6_udp2:
+                print(
+                    "UDP Query received on %s"
+                    % (ip4_addr2 if s == query4_udp2 else ip6_addr2),
+                    end=" ",
+                )
+                ns10 = True
+            # Handle incoming queries
+            msg = s.recvfrom(65535)
+            dopass2 = False
+            rsp = create_response(msg[0], False, True, ns10)
+            print(dns.rcode.to_text(rsp.rcode()))
+            s.sendto(rsp.to_wire(), msg[1])
+            if dopass2:
+                print("Sending second UDP response without TSIG", end=" ")
+                rsp = create_response(msg[0], False, False, ns10)
+                s.sendto(rsp.to_wire(), msg[1])
+                print(dns.rcode.to_text(rsp.rcode()))
+
+        if s == query4_tcp1 or s == query6_tcp1 or s == query4_tcp2 or s == query6_tcp2:
+            try:
+                (cs, _) = s.accept()
+                if s == query4_tcp1 or s == query6_tcp1:
+                    print(
+                        "TCP Query received on %s"
+                        % (ip4_addr1 if s == query4_tcp1 else ip6_addr1),
+                        end=" ",
+                    )
+                if s == query4_tcp2 or s == query6_tcp2:
+                    print(
+                        "TCP Query received on %s"
+                        % (ip4_addr2 if s == query4_tcp2 else ip6_addr2),
+                        end=" ",
+                    )
+                    ns10 = True
+                # get TCP message length
+                buf = cs.recv(2)
+                length = struct.unpack(">H", buf[:2])[0]
+                # grep DNS message
+                msg = cs.recv(length)
+                rsp = create_response(msg, True, True, ns10)
+                print(dns.rcode.to_text(rsp.rcode()))
+                wire = rsp.to_wire()
+                cs.send(struct.pack(">H", len(wire)))
+                cs.send(wire)
+                cs.close()
+            except s.timeout:
+                pass
+    if not running:
+        break
diff --git a/bin/tests/system/cookie/bad-cookie-badaes.conf b/bin/tests/system/cookie/bad-cookie-badaes.conf
new file mode 100644
index 0000000..7d8cfe3
--- /dev/null
+++ b/bin/tests/system/cookie/bad-cookie-badaes.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	cookie-algorithm aes;
+	cookie-secret "ebc7701beabb4a40c57d140eeb6733faaa";  // 136 bits
+};
diff --git a/bin/tests/system/cookie/bad-cookie-badhex.conf b/bin/tests/system/cookie/bad-cookie-badhex.conf
new file mode 100644
index 0000000..43c11ad
--- /dev/null
+++ b/bin/tests/system/cookie/bad-cookie-badhex.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	cookie-secret "012345678901234567890123456789012345678901234567890123456789012";
+};
diff --git a/bin/tests/system/cookie/bad-cookie-badsiphash24.conf b/bin/tests/system/cookie/bad-cookie-badsiphash24.conf
new file mode 100644
index 0000000..25ff78f
--- /dev/null
+++ b/bin/tests/system/cookie/bad-cookie-badsiphash24.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	cookie-algorithm siphash24;
+	cookie-secret "ebc7701beabb4a40c57d140eeb6733faaabbccdd";  // 160 bits
+};
diff --git a/bin/tests/system/cookie/bad-cookie-toolong.conf b/bin/tests/system/cookie/bad-cookie-toolong.conf
new file mode 100644
index 0000000..5ea67b9
--- /dev/null
+++ b/bin/tests/system/cookie/bad-cookie-toolong.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	cookie-secret "01234567890123456789012345678901234567890123456789012345678901234567890";
+};
diff --git a/bin/tests/system/cookie/clean.sh b/bin/tests/system/cookie/clean.sh
new file mode 100644
index 0000000..d0675aa
--- /dev/null
+++ b/bin/tests/system/cookie/clean.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns*/named.conf
+rm -f dig.out.*
+rm -f named.run.*
+rm -f rndc.out.*
+rm -f ns1/named_dump.db*
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.run.prev
+rm -f ans*/ans.run ans*/ans.log
diff --git a/bin/tests/system/cookie/good-cookie-aes.conf b/bin/tests/system/cookie/good-cookie-aes.conf
new file mode 100644
index 0000000..97a6f67
--- /dev/null
+++ b/bin/tests/system/cookie/good-cookie-aes.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	cookie-algorithm aes;
+	cookie-secret "ebc7701beabb4a40c57d140eeb6733fa";  // 128 bits
+};
diff --git a/bin/tests/system/cookie/good-cookie-siphash24.conf b/bin/tests/system/cookie/good-cookie-siphash24.conf
new file mode 100644
index 0000000..c937d71
--- /dev/null
+++ b/bin/tests/system/cookie/good-cookie-siphash24.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	cookie-algorithm siphash24;
+	cookie-secret "ebc7701beabb4a40c57d140eeb6733fa";  // 128 bits
+};
diff --git a/bin/tests/system/cookie/ns1/example.db b/bin/tests/system/cookie/ns1/example.db
new file mode 100644
index 0000000..75a6d3c
--- /dev/null
+++ b/bin/tests/system/cookie/ns1/example.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	SOA	ns1 hostmaster.isc.org. 1 600 600 1200 600
+@ 	NS	ns1
+ns1 	A	10.53.0.1
+large	TXT	( large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large )
diff --git a/bin/tests/system/cookie/ns1/named.conf.in b/bin/tests/system/cookie/ns1/named.conf.in
new file mode 100644
index 0000000..025f8d0
--- /dev/null
+++ b/bin/tests/system/cookie/ns1/named.conf.in
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+key foo {
+	secret "aaaaaaaaaaaa";
+	algorithm hmac-sha256;
+};
+
+server 10.53.0.10 {
+	keys foo;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	deny-answer-addresses { 192.0.2.0/24; 2001:db8:beef::/48; }
+		 except-from { "example.org"; };
+	deny-answer-aliases { "example.org"; }
+		except-from { "goodcname.example.net";
+			      "gooddname.example.net"; };
+	allow-query {!10.53.0.8; any; };
+	send-cookie yes;
+	nocookie-udp-size 512;
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/cookie/ns1/root.hint b/bin/tests/system/cookie/ns1/root.hint
new file mode 100644
index 0000000..993227d
--- /dev/null
+++ b/bin/tests/system/cookie/ns1/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.2
diff --git a/bin/tests/system/cookie/ns2/named.conf.in b/bin/tests/system/cookie/ns2/named.conf.in
new file mode 100644
index 0000000..cd74d8a
--- /dev/null
+++ b/bin/tests/system/cookie/ns2/named.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	send-cookie yes;
+	nocookie-udp-size 512;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/cookie/ns2/root.db b/bin/tests/system/cookie/ns2/root.db
new file mode 100644
index 0000000..533ab88
--- /dev/null
+++ b/bin/tests/system/cookie/ns2/root.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	SOA	a.root-servers.nil. hostmaster.isc.org. 1 600 600 1200 600
+@ 	NS	a.root-servers.nil.
+a.root-servers.nil. A	10.53.0.2
+large.xxx TXT	( large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large )
+tld.	NS	ns.tld.
+ns.tld	A	10.53.0.9
+tsig.	NS	ns.tsig.
+ns.tsig	A	10.53.0.10
diff --git a/bin/tests/system/cookie/ns3/named.conf.in b/bin/tests/system/cookie/ns3/named.conf.in
new file mode 100644
index 0000000..090d528
--- /dev/null
+++ b/bin/tests/system/cookie/ns3/named.conf.in
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	deny-answer-addresses { 192.0.2.0/24; 2001:db8:beef::/48; }
+		 except-from { "example.org"; };
+	deny-answer-aliases { "example.org"; }
+		except-from { "goodcname.example.net";
+			      "gooddname.example.net"; };
+	allow-query {!10.53.0.8; any; };
+	send-cookie yes;
+	nocookie-udp-size 512;
+	require-server-cookie yes;
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/cookie/ns3/root.hint b/bin/tests/system/cookie/ns3/root.hint
new file mode 100644
index 0000000..993227d
--- /dev/null
+++ b/bin/tests/system/cookie/ns3/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.2
diff --git a/bin/tests/system/cookie/ns4/named.conf.in b/bin/tests/system/cookie/ns4/named.conf.in
new file mode 100644
index 0000000..c49b87e
--- /dev/null
+++ b/bin/tests/system/cookie/ns4/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	cookie-algorithm siphash24;
+	cookie-secret "569d36a6cc27d6bf55502183302ba352";
+	require-server-cookie yes;
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
diff --git a/bin/tests/system/cookie/ns4/root.hint b/bin/tests/system/cookie/ns4/root.hint
new file mode 100644
index 0000000..993227d
--- /dev/null
+++ b/bin/tests/system/cookie/ns4/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.2
diff --git a/bin/tests/system/cookie/ns5/named.conf.in b/bin/tests/system/cookie/ns5/named.conf.in
new file mode 100644
index 0000000..87210ad
--- /dev/null
+++ b/bin/tests/system/cookie/ns5/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	cookie-algorithm siphash24;
+	cookie-secret "569d36a6cc27d6bf55502183302ba352";
+	cookie-secret "6b300e27a0db46d4b046e4189790fa7d";
+	require-server-cookie yes;
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
diff --git a/bin/tests/system/cookie/ns5/root.hint b/bin/tests/system/cookie/ns5/root.hint
new file mode 100644
index 0000000..993227d
--- /dev/null
+++ b/bin/tests/system/cookie/ns5/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.2
diff --git a/bin/tests/system/cookie/ns6/named.conf.in b/bin/tests/system/cookie/ns6/named.conf.in
new file mode 100644
index 0000000..158d898
--- /dev/null
+++ b/bin/tests/system/cookie/ns6/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	cookie-algorithm siphash24;
+	cookie-secret "6b300e27a0db46d4b046e4189790fa7d";
+	require-server-cookie yes;
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
diff --git a/bin/tests/system/cookie/ns6/root.hint b/bin/tests/system/cookie/ns6/root.hint
new file mode 100644
index 0000000..993227d
--- /dev/null
+++ b/bin/tests/system/cookie/ns6/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.2
diff --git a/bin/tests/system/cookie/ns7/named.conf.in b/bin/tests/system/cookie/ns7/named.conf.in
new file mode 100644
index 0000000..45f19b8
--- /dev/null
+++ b/bin/tests/system/cookie/ns7/named.conf.in
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	recursion no;
+	answer-cookie no;
+	send-cookie yes;
+	nocookie-udp-size 512;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/cookie/ns7/root.db b/bin/tests/system/cookie/ns7/root.db
new file mode 100644
index 0000000..39a63da
--- /dev/null
+++ b/bin/tests/system/cookie/ns7/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	SOA	a.root-servers.nil. hostmaster.isc.org. 1 600 600 1200 600
+@ 	NS	a.root-servers.nil.
+a.root-servers.nil. A	10.53.0.2
+large.xxx TXT	( large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large
+		  large large large large large large large large )
diff --git a/bin/tests/system/cookie/ns8/example.db b/bin/tests/system/cookie/ns8/example.db
new file mode 100644
index 0000000..7fa64d6
--- /dev/null
+++ b/bin/tests/system/cookie/ns8/example.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	SOA	. . 0 0 0 0 0
+@	3600	NS	.
diff --git a/bin/tests/system/cookie/ns8/named.conf.in b/bin/tests/system/cookie/ns8/named.conf.in
new file mode 100644
index 0000000..99ff66b
--- /dev/null
+++ b/bin/tests/system/cookie/ns8/named.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.8 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.8;
+	notify-source 10.53.0.8;
+	transfer-source 10.53.0.8;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.8; };
+	listen-on-v6 { none; };
+	dnssec-validation yes;
+	rate-limit {};
+	require-server-cookie yes;
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/cookie/setup.sh b/bin/tests/system/cookie/setup.sh
new file mode 100644
index 0000000..88c7518
--- /dev/null
+++ b/bin/tests/system/cookie/setup.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+copy_setports ns8/named.conf.in ns8/named.conf
diff --git a/bin/tests/system/cookie/tests.sh b/bin/tests/system/cookie/tests.sh
new file mode 100755
index 0000000..489a248
--- /dev/null
+++ b/bin/tests/system/cookie/tests.sh
@@ -0,0 +1,550 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+status=0
+n=0
+
+getcookie() {
+	awk '$2 == "COOKIE:" {
+		print $3;
+	}' < $1
+}
+
+fullcookie() {
+	awk 'BEGIN { n = 0 }
+	     // { v[n++] = length(); }
+	     END { print (v[1] == v[2]); }'
+}
+
+havetc() {
+	grep 'flags:.* tc[^;]*;' $1 > /dev/null
+}
+
+for bad in bad*.conf
+do
+	n=$((n + 1))
+	echo_i "checking that named-checkconf detects error in $bad ($n)"
+	ret=0
+	$CHECKCONF $bad > /dev/null 2>&1 && ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+done
+
+for good in good*.conf
+do
+	n=$((n + 1))
+	echo_i "checking that named-checkconf detects accepts $good ($n)"
+	ret=0
+	$CHECKCONF $good > /dev/null 2>&1 || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+done
+
+n=$((n + 1))
+echo_i "checking RCODE=FORMERR to query without question section and without COOKIE option ($n)"
+ret=0
+$DIG $DIGOPTS +qr +header-only +nocookie version.bind txt ch @10.53.0.1 > dig.out.test$n || ret=1
+grep COOKIE: dig.out.test$n > /dev/null && ret=1
+grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking RCODE=NOERROR to query without question section and with COOKIE option ($n)"
+ret=0
+$DIG $DIGOPTS +qr +header-only +cookie version.bind txt ch @10.53.0.1 > dig.out.test$n || ret=1
+grep COOKIE: dig.out.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking COOKIE token is returned to empty COOKIE option ($n)"
+ret=0
+$DIG $DIGOPTS +cookie version.bind txt ch @10.53.0.1 > dig.out.test$n || ret=1
+grep COOKIE: dig.out.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking COOKIE is not returned when answer-cookie is false ($n)"
+ret=0
+$DIG $DIGOPTS +cookie version.bind txt ch @10.53.0.7 > dig.out.test$n || ret=1
+grep COOKIE: dig.out.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking response size without COOKIE ($n)"
+ret=0
+$DIG $DIGOPTS large.example txt @10.53.0.1 +ignore > dig.out.test$n || ret=1
+havetc dig.out.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking response size without valid COOKIE ($n)"
+ret=0
+$DIG $DIGOPTS +cookie large.example txt @10.53.0.1 +ignore > dig.out.test$n || ret=1
+havetc dig.out.test$n || ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking response size with COOKIE ($n)"
+ret=0
+$DIG $DIGOPTS +cookie large.example txt @10.53.0.1 > dig.out.test$n.l || ret=1
+cookie=$(getcookie dig.out.test$n.l)
+$DIG $DIGOPTS +qr +cookie=$cookie large.example txt @10.53.0.1 +ignore > dig.out.test$n || ret=1
+havetc dig.out.test$n && ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking response size with COOKIE recursive ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie=$cookie large.xxx txt @10.53.0.1 +ignore > dig.out.test$n || ret=1
+havetc dig.out.test$n && ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking COOKIE is learnt for TCP retry ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie large.example txt @10.53.0.1 > dig.out.test$n || ret=1
+linecount=$(getcookie dig.out.test$n | wc -l)
+if [ $linecount != 3 ]; then ret=1; fi
+checkfull=$(getcookie dig.out.test$n | fullcookie)
+if [ $checkfull != 1 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking for COOKIE value in adb ($n)"
+ret=0
+rndc_dumpdb ns1
+grep "10.53.0.2.*\[cookie=" ns1/named_dump.db.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking require-server-cookie default (no) ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie +nobadcookie soa @10.53.0.1 > dig.out.test$n || ret=1
+grep BADCOOKIE dig.out.test$n > /dev/null && ret=1
+linecount=$(getcookie dig.out.test$n | wc -l)
+if [ $linecount != 2 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking require-server-cookie yes ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie +nobadcookie soa @10.53.0.3 > dig.out.test$n || ret=1
+grep "flags: qr[^;]* aa[ ;]" dig.out.test$n > /dev/null && ret=1
+grep "flags: qr[^;]* ad[ ;]" dig.out.test$n > /dev/null && ret=1
+grep BADCOOKIE dig.out.test$n > /dev/null || ret=1
+linecount=$(getcookie dig.out.test$n | wc -l)
+if [ $linecount != 2 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking +qr +showbadcookie ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie +showbadcookie soa @10.53.0.3 > dig.out.test$n || ret=1
+noerror=$(grep "status: NOERROR" dig.out.test$n | wc -l)
+badcookie=$(grep "status: BADCOOKIE" dig.out.test$n | wc -l)
+server=$(grep "COOKIE: ................................................" dig.out.test$n | wc -l)
+good=$(grep "COOKIE: ................................................ (good)" dig.out.test$n | wc -l)
+linecount=$(getcookie dig.out.test$n | wc -l)
+if [ $noerror != 3 ]; then ret=1; fi
+if [ $badcookie != 1 ]; then ret=1; fi
+if [ $server != 3 ]; then ret=1; fi
+if [ $good != 2 ]; then ret=1; fi
+if [ $linecount != 4 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking +showbadcookie ($n)"
+ret=0
+$DIG $DIGOPTS +cookie +showbadcookie soa @10.53.0.3 > dig.out.test$n || ret=1
+noerror=$(grep "status: NOERROR" dig.out.test$n | wc -l)
+badcookie=$(grep "status: BADCOOKIE" dig.out.test$n | wc -l)
+server=$(grep "COOKIE: ................................................" dig.out.test$n | wc -l)
+good=$(grep "COOKIE: ................................................ (good)" dig.out.test$n | wc -l)
+linecount=$(getcookie dig.out.test$n | wc -l)
+if [ $noerror != 1 ]; then ret=1; fi
+if [ $badcookie != 1 ]; then ret=1; fi
+if [ $server != 2 ]; then ret=1; fi
+if [ $good != 2 ]; then ret=1; fi
+if [ $linecount != 2 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking require-server-cookie yes with rate-limit ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie +nobadcookie soa example @10.53.0.8 > dig.out.test$n || ret=1
+grep "flags: qr[^;]* ad[ ;]" dig.out.test$n > /dev/null && ret=1
+grep BADCOOKIE dig.out.test$n > /dev/null || ret=1
+linecount=$(getcookie dig.out.test$n | wc -l)
+if [ $linecount != 2 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "send undersized cookie ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie=000000 soa @10.53.0.1 > dig.out.test$n || ret=1
+grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "send oversized for named cookie ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie=${cookie}00 soa @10.53.0.1 > dig.out.test$n || ret=1
+grep "COOKIE: [a-f0-9]* (good)" dig.out.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "send oversized for named cookie with server requiring a good cookie ($n)"
+ret=0
+$DIG $DIGOPTS +qr +cookie=${cookie}00 soa @10.53.0.3 > dig.out.test$n || ret=1
+grep "COOKIE: [a-f0-9]* (good)" dig.out.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+# Test shared cookie-secret support.
+#
+# NS4 has cookie-secret "569d36a6cc27d6bf55502183302ba352";
+#
+# NS5 has cookie-secret "569d36a6cc27d6bf55502183302ba352";
+# NS5 has cookie-secret "6b300e27a0db46d4b046e4189790fa7d"; (alternate)
+#
+# NS6 has cookie-secret "6b300e27a0db46d4b046e4189790fa7d";
+#
+# Server cookies from NS4 are accepted by NS5 and not NS6
+# Server cookies from NS5 are accepted by NS4 and not NS6
+# Server cookies from NS6 are accepted by NS5 and not NS4
+#
+# Force local address so that the client's address is the same to all servers.
+#
+
+n=$((n + 1))
+echo_i "get NS4 cookie for cross server checking ($n)"
+ret=0
+$DIG $DIGOPTS +cookie -b 10.53.0.4 soa . @10.53.0.4 > dig.out.test$n || ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+ns4cookie=$(getcookie dig.out.test$n)
+test -n "$ns4cookie" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "get NS5 cookie for cross server checking ($n)"
+ret=0
+$DIG $DIGOPTS +cookie -b 10.53.0.4 soa . @10.53.0.5 > dig.out.test$n || ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+ns5cookie=$(getcookie dig.out.test$n)
+test -n "$ns5cookie" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "get NS6 cookie for cross server checking ($n)"
+ret=0
+$DIG $DIGOPTS +cookie -b 10.53.0.4 soa . @10.53.0.6 > dig.out.test$n || ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+ns6cookie=$(getcookie dig.out.test$n)
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "test NS4 cookie on NS5 (expect success) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns4cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.5 > dig.out.test$n || ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "test NS4 cookie on NS6 (expect badcookie) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns4cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.6 > dig.out.test$n || ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: BADCOOKIE," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "test NS5 cookie on NS4 (expect success) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns5cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.4 > dig.out.test$n || ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "test NS5 cookie on NS6 (expect badcookie) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns5cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.6 > dig.out.test$n || ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: BADCOOKIE," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "test NS6 cookie on NS4 (expect badcookie) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns6cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.4 > dig.out.test$n || ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: BADCOOKIE," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "test NS6 cookie on NS5 (expect success) ($n)"
+ret=0
+$DIG $DIGOPTS +cookie=$ns6cookie -b 10.53.0.4 +nobadcookie soa . @10.53.0.5 > dig.out.test$n || ret=1
+grep "; COOKIE:.*(good)" dig.out.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that test server is correctly configured ($n)"
+ret=0
+pat="; COOKIE: ................................ (good)"
+#UDP
+$DIG $DIGOPTS @10.53.0.9 +notcp tld > dig.out.test$n.1 || ret=1
+grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+grep "$pat" dig.out.test$n.1 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.1 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.1 > /dev/null && ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +notcp tcponly.tld > dig.out.test$n.2 || ret=1
+grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+grep "; COOKIE:" dig.out.test$n.2 > /dev/null && ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null  || ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +notcp nocookie.tld > dig.out.test$n.3 || ret=1
+grep "status: NOERROR" dig.out.test$n.3 > /dev/null || ret=1
+grep "; COOKIE:" dig.out.test$n.3 > /dev/null && ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.3 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.3 > /dev/null  || ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +notcp withtsig.tld > dig.out.test$n.4 || ret=1
+grep "status: NOERROR" dig.out.test$n.4 > /dev/null || ret=1
+grep "; COOKIE:" dig.out.test$n.4 > /dev/null && ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.4 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.4 > /dev/null || ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.4 > /dev/null || ret=1
+
+#TCP
+$DIG $DIGOPTS @10.53.0.9 +tcp tld > dig.out.test$n.5 || ret=1
+grep "status: NOERROR" dig.out.test$n.5 > /dev/null || ret=1
+grep "$pat" dig.out.test$n.5 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.5 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.5 > /dev/null && ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +tcp tcponly.tld > dig.out.test$n.6
+grep "status: NOERROR" dig.out.test$n.6 > /dev/null || ret=1
+grep "$pat" dig.out.test$n.6 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.6 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.6 > /dev/null && ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +tcp nocookie.tld > dig.out.test$n.7
+grep "status: NOERROR" dig.out.test$n.7 > /dev/null || ret=1
+grep "; COOKIE:" dig.out.test$n.7 > /dev/null && ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.7 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.7 > /dev/null && ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.1 > /dev/null && ret=1
+
+$DIG $DIGOPTS @10.53.0.9 +tcp withtsig.tld > dig.out.test$n.8
+grep "status: NOERROR" dig.out.test$n.8 > /dev/null || ret=1
+grep "$pat" dig.out.test$n.8 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.8 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.8 > /dev/null && ret=1
+grep ";; TSIG PSEUDOSECTION:" dig.out.test$n.8 > /dev/null && ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that spoofed response is dropped when we have a server cookie ($n)"
+ret=0
+msg="missing expected cookie from"
+pat='10\.53\.0\.9 .*\[cookie=................................\] \[ttl'
+# prime EDNS COOKIE state
+$DIG $DIGOPTS @10.53.0.1 tld > dig.out.test$n.1 || ret=1
+grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+rndc_dumpdb ns1
+grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
+# spoofed response contains 10.53.0.10
+nextpart ns1/named.run >/dev/null
+$DIG $DIGOPTS @10.53.0.1 tcponly.tld > dig.out.test$n.2 || ret=1
+wait_for_log 5 "$msg" ns1/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that gracefully handle server disabling DNS COOKIE we have a server cookie ($n)"
+ret=0
+msg="missing expected cookie from"
+pat='10\.53\.0\.9 .*\[cookie=................................\] \[ttl'
+# prime EDNS COOKIE state
+$DIG $DIGOPTS @10.53.0.1 tld > dig.out.test$n.1 || ret=1
+grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+rndc_dumpdb ns1
+grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
+# check the disabled server response
+nextpart ns1/named.run >/dev/null
+$DIG $DIGOPTS @10.53.0.1 nocookie.tld > dig.out.test$n.2
+wait_for_log 5 "$msg" ns1/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that spoofed response with a TSIG is dropped when we have a server cookie ($n)"
+ret=0
+pat='10\.53\.0\.9 .*\[cookie=................................\] \[ttl'
+# prime EDNS COOKIE state
+$DIG $DIGOPTS @10.53.0.1 tld > dig.out.test$n.1 || ret=1
+grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+rndc_dumpdb ns1
+grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
+# spoofed response contains 10.53.0.10
+nextpart ns1/named.run >/dev/null
+$DIG $DIGOPTS @10.53.0.1 withtsig.tld > dig.out.test$n.2 || ret=1
+grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null && ret=1
+nextpart ns1/named.run > named.run.test$n
+count=$(grep -c ') [0-9][0-9]* NOERROR 0' named.run.test$n)
+test $count -eq 1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if $PYTHON -c '
+import dns.version, sys;
+if dns.version.MAJOR > 1: sys.exit(0);
+if dns.version.MAJOR == 1 and dns.version.MINOR >= 16: sys.exit(0);
+sys.exit(1)'
+then
+  n=$((n + 1))
+  echo_i "check that TSIG test server is correctly configured ($n)"
+  ret=0
+  pat="; COOKIE: ................................ (good)"
+  key=hmac-sha256:foo:aaaaaaaaaaaa
+  #UDP
+  $DIG $DIGOPTS @10.53.0.10 -y $key +notcp tsig. > dig.out.test$n.1 || ret=1
+  grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+  grep "$pat" dig.out.test$n.1 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.1 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.1 > /dev/null && ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  $DIG $DIGOPTS @10.53.0.10 -y $key +notcp tcponly.tsig > dig.out.test$n.2 || ret=1
+  grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+  grep "; COOKIE:" dig.out.test$n.2 > /dev/null && ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null  || ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  $DIG $DIGOPTS @10.53.0.10 -y $key +notcp nocookie.tsig > dig.out.test$n.3 || ret=1
+  grep "status: NOERROR" dig.out.test$n.3 > /dev/null || ret=1
+  grep "; COOKIE:" dig.out.test$n.3 > /dev/null && ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.3 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.3 > /dev/null  || ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  #TCP
+  $DIG $DIGOPTS @10.53.0.10 -y $key +tcp tsig. > dig.out.test$n.5 || ret=1
+  grep "status: NOERROR" dig.out.test$n.5 > /dev/null || ret=1
+  grep "$pat" dig.out.test$n.5 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.5 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.5 > /dev/null && ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  $DIG $DIGOPTS @10.53.0.10 -y $key +tcp tcponly.tsig > dig.out.test$n.6 || ret=1
+  grep "status: NOERROR" dig.out.test$n.6 > /dev/null || ret=1
+  grep "$pat" dig.out.test$n.6 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.6 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.6 > /dev/null && ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  $DIG $DIGOPTS @10.53.0.10 -y $key +tcp nocookie.tsig > dig.out.test$n.7 || ret=1
+  grep "status: NOERROR" dig.out.test$n.7 > /dev/null || ret=1
+  grep "; COOKIE:" dig.out.test$n.7 > /dev/null && ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.7 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.7 > /dev/null && ret=1
+  grep 'TSIG.*NOERROR' dig.out.test$n.1 > /dev/null || ret=1
+
+  if [ $ret != 0 ]; then echo_i "failed"; fi
+  status=$((status + ret))
+
+  n=$((n + 1))
+  echo_i "check that missing COOKIE with a valid TSIG signed response does not trigger TCP fallback ($n)"
+  ret=0
+  pat='10\.53\.0\.10 .*\[cookie=................................\] \[ttl'
+  # prime EDNS COOKIE state
+  $DIG $DIGOPTS @10.53.0.1 tsig. > dig.out.test$n.1
+  grep "status: NOERROR" dig.out.test$n.1 > /dev/null || ret=1
+  rndc_dumpdb ns1
+  grep "$pat" ns1/named_dump.db.test$n > /dev/null || ret=1
+  # check the disabled server response
+  nextpart ns1/named.run >/dev/null
+  $DIG $DIGOPTS @10.53.0.1 nocookie.tsig > dig.out.test$n.2
+  grep "status: NOERROR" dig.out.test$n.2 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.9' dig.out.test$n.2 > /dev/null || ret=1
+  grep 'A.10\.53\.0\.10' dig.out.test$n.2 > /dev/null || ret=1
+  nextpart ns1/named.run > named.run.test$n
+  count=$(grep -c ') [0-9][0-9]* NOERROR 0' named.run.test$n)
+  test $count -eq 2 || ret=1
+  if [ $ret != 0 ]; then echo_i "failed"; fi
+  status=$((status + ret))
+fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/cookie/tests_sh_cookie.py b/bin/tests/system/cookie/tests_sh_cookie.py
new file mode 100644
index 0000000..2f1d029
--- /dev/null
+++ b/bin/tests/system/cookie/tests_sh_cookie.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_cookie(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/custom-test-driver b/bin/tests/system/custom-test-driver
new file mode 100755
index 0000000..7499aa0
--- /dev/null
+++ b/bin/tests/system/custom-test-driver
@@ -0,0 +1,162 @@
+#!/bin/sh
+
+# test-driver - basic testsuite driver script.
+
+scriptversion=2021-09-20.08; # UTC
+
+# Copyright (C) 2011-2020 Free Software Foundation, Inc.
+#
+# SPDX-License-Identifier: GPL-2.0-or-later WITH LicenseRef-Automake-exception-2.0
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+# Make unconditional expansion of undefined variables an error.  This
+# helps a lot in preventing typo-related bugs.
+set -u
+
+usage_error ()
+{
+  echo "$0: $*" >&2
+  print_usage >&2
+  exit 2
+}
+
+print_usage ()
+{
+  cat <<END
+Usage:
+  test-driver --test-name=NAME --log-file=PATH --trs-file=PATH
+              [--expect-failure={yes|no}] [--color-tests={yes|no}]
+              [--enable-hard-errors={yes|no}] [--]
+              TEST-SCRIPT [TEST-SCRIPT-ARGUMENTS]
+The '--test-name', '--log-file' and '--trs-file' options are mandatory.
+END
+}
+
+test_name= # Used for reporting.
+log_file=  # Where to save the output of the test script.
+trs_file=  # Where to save the metadata of the test run.
+status_file= # Where to save the status of the test run.
+expect_failure=no
+color_tests=no
+enable_hard_errors=yes
+verbose=no
+while test $# -gt 0; do
+  case $1 in
+  --help) print_usage; exit $?;;
+  --version) echo "test-driver $scriptversion"; exit $?;;
+  --test-name) test_name=$2; shift;;
+  --log-file) log_file=$2; shift;;
+  --trs-file) trs_file=$2; shift;;
+  --status-file) status_file=$2; shift;;
+  --color-tests) color_tests=$2; shift;;
+  --expect-failure) expect_failure=$2; shift;;
+  --enable-hard-errors) enable_hard_errors=$2; shift;;
+  --verbose) verbose=$2; shift;;
+  --) shift; break;;
+  -*) usage_error "invalid option: '$1'";;
+   *) break;;
+  esac
+  shift
+done
+
+missing_opts=
+test x"$test_name" = x && missing_opts="$missing_opts --test-name"
+test x"$log_file"  = x && missing_opts="$missing_opts --log-file"
+test x"$trs_file"  = x && missing_opts="$missing_opts --trs-file"
+if test x"$missing_opts" != x; then
+  usage_error "the following mandatory options are missing:$missing_opts"
+fi
+
+if test $# -eq 0; then
+  usage_error "missing argument"
+fi
+
+if test $color_tests = yes; then
+  # Keep this in sync with 'lib/am/check.am:$(am__tty_colors)'.
+  red='' # Red.
+  grn='' # Green.
+  lgn='' # Light green.
+  blu='' # Blue.
+  mgn='' # Magenta.
+  std=''     # No color.
+else
+  red= grn= lgn= blu= mgn= std=
+fi
+
+do_exit='rm -f $log_file $trs_file $status_file; (exit $st); exit $st'
+trap "st=129; $do_exit" 1
+trap "st=130; $do_exit" 2
+trap "st=141; $do_exit" 13
+trap "st=143; $do_exit" 15
+
+# Set default
+test x"$status_file" = x && status_file=$(mktemp ./custom-test-runner.XXXXXX)
+# Test script is run here.
+if test $verbose = yes; then
+  ("$@" 2>&1; echo $? > "$status_file") | tee $log_file
+else
+  "$@" >$log_file 2>&1; echo $? > "$status_file"
+fi
+read -r estatus < "$status_file"
+rm "$status_file"
+
+if test $enable_hard_errors = no && test $estatus -eq 99; then
+  tweaked_estatus=1
+else
+  tweaked_estatus=$estatus
+fi
+
+case $tweaked_estatus:$expect_failure in
+  0:yes) col=$red res=XPASS recheck=yes gcopy=yes;;
+  0:*)   col=$grn res=PASS  recheck=no  gcopy=no;;
+  77:*)  col=$blu res=SKIP  recheck=no  gcopy=yes;;
+  99:*)  col=$mgn res=ERROR recheck=yes gcopy=yes;;
+  *:yes) col=$lgn res=XFAIL recheck=no  gcopy=yes;;
+  *:*)   col=$red res=FAIL  recheck=yes gcopy=yes;;
+esac
+
+# Report the test outcome and exit status in the logs, so that one can
+# know whether the test passed or failed simply by looking at the '.log'
+# file, without the need of also peaking into the corresponding '.trs'
+# file (automake bug#11814).
+echo "$res $test_name (exit status: $estatus)" >>$log_file
+
+# Report outcome to console.
+echo "${col}${res}${std}: $test_name"
+
+# Register the test result, and other relevant metadata.
+echo ":test-result: $res" > $trs_file
+echo ":global-test-result: $res" >> $trs_file
+echo ":recheck: $recheck" >> $trs_file
+echo ":copy-in-global-log: $gcopy" >> $trs_file
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'before-save-hook 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/bin/tests/system/database/clean.sh b/bin/tests/system/database/clean.sh
new file mode 100644
index 0000000..f86404c
--- /dev/null
+++ b/bin/tests/system/database/clean.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns1/named.conf ns1/named.run ns1/named.memstats
+rm -f dig.out.*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/database/ns1/named1.conf.in b/bin/tests/system/database/ns1/named1.conf.in
new file mode 100644
index 0000000..5fa7ce5
--- /dev/null
+++ b/bin/tests/system/database/ns1/named1.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "database" {
+	type primary;
+	database "_builtin empty localhost. hostmaster.isc.org.";
+};
diff --git a/bin/tests/system/database/ns1/named2.conf.in b/bin/tests/system/database/ns1/named2.conf.in
new file mode 100644
index 0000000..80cfab2
--- /dev/null
+++ b/bin/tests/system/database/ns1/named2.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "database" {
+	type primary;
+	database "_builtin empty localhost. marka.isc.org.";
+};
diff --git a/bin/tests/system/database/setup.sh b/bin/tests/system/database/setup.sh
new file mode 100644
index 0000000..f3f0088
--- /dev/null
+++ b/bin/tests/system/database/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named1.conf.in ns1/named.conf
diff --git a/bin/tests/system/database/tests.sh b/bin/tests/system/database/tests.sh
new file mode 100644
index 0000000..408b094
--- /dev/null
+++ b/bin/tests/system/database/tests.sh
@@ -0,0 +1,56 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+rm -f dig.out.*
+
+DIGOPTS="+tcp +noadd +nosea +nostat +nocmd +dnssec -p ${PORT}"
+RNDCCMD="$RNDC -s 10.53.0.1 -p ${CONTROLPORT} -c ../common/rndc.conf"
+
+# Check the example. domain
+
+echo_i "checking pre reload zone ($n)"
+ret=0
+$DIG $DIGOPTS soa database. @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "hostmaster\.isc\.org" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+copy_setports ns1/named2.conf.in ns1/named.conf
+$RNDCCMD reload 2>&1 >/dev/null
+
+echo_i "checking post reload zone ($n)"
+ret=1
+try=0
+while test $try -lt 6
+do
+	sleep 1
+	ret=0
+	$DIG $DIGOPTS soa database. @10.53.0.1 > dig.out.ns1.test$n || ret=1
+	grep "marka\.isc\.org" dig.out.ns1.test$n > /dev/null || ret=1
+	try=$((try + 1))
+	test $ret -eq 0 && break
+done
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/database/tests_sh_database.py b/bin/tests/system/database/tests_sh_database.py
new file mode 100644
index 0000000..b48469e
--- /dev/null
+++ b/bin/tests/system/database/tests_sh_database.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_database(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/dialup/clean.sh b/bin/tests/system/dialup/clean.sh
new file mode 100644
index 0000000..9318255
--- /dev/null
+++ b/bin/tests/system/dialup/clean.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns2/example.bk
+rm -f ns3/example.bk
+rm -f */named.memstats */named.run
+rm -f ns*/named.conf
+rm -f ns*/named.lock
diff --git a/bin/tests/system/dialup/ns1/example.db b/bin/tests/system/dialup/ns1/example.db
new file mode 100644
index 0000000..3ce33f9
--- /dev/null
+++ b/bin/tests/system/dialup/ns1/example.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	SOA	hostmaster.ns1 ns1 (
+			1 3600 1200 3600000 1200 )
+		NS	ns1.example.
+		NS	ns2.example.
+		NS	ns3.example.
+ns1		A	10.53.0.1
+ns2		A	10.53.0.2
+ns3		A	10.53.0.3
diff --git a/bin/tests/system/dialup/ns1/named.conf.in b/bin/tests/system/dialup/ns1/named.conf.in
new file mode 100644
index 0000000..4b8302b
--- /dev/null
+++ b/bin/tests/system/dialup/ns1/named.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	heartbeat-interval 2;
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example." {
+	type primary;
+	notify explicit;
+	also-notify { 10.53.0.2; };
+	dialup yes;
+	file "example.db";
+};
diff --git a/bin/tests/system/dialup/ns1/root.db b/bin/tests/system/dialup/ns1/root.db
new file mode 100644
index 0000000..882da96
--- /dev/null
+++ b/bin/tests/system/dialup/ns1/root.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	SOA	hostmaster.ns1.example ns1.example (
+			1 3600 1200 3600000 1200 )
+		NS	ns1.example
+example		NS	ns1.example
+		NS	ns2.example
+		NS	ns3.example
+ns1.example	A	10.53.0.1
+ns2.example	A	10.53.0.2
+ns3.example	A	10.53.0.3
diff --git a/bin/tests/system/dialup/ns2/hint.db b/bin/tests/system/dialup/ns2/hint.db
new file mode 100644
index 0000000..0198f25
--- /dev/null
+++ b/bin/tests/system/dialup/ns2/hint.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	1200	NS	ns1.example
+ns1.example	A	10.53.0.1
diff --git a/bin/tests/system/dialup/ns2/named.conf.in b/bin/tests/system/dialup/ns2/named.conf.in
new file mode 100644
index 0000000..382f5ce
--- /dev/null
+++ b/bin/tests/system/dialup/ns2/named.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	heartbeat-interval 2;
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "hint.db";
+};
+
+zone "example." {
+	type secondary;
+	dialup passive;
+	notify no;
+	file "example.bk";
+	primaries { 10.53.0.1; };
+};
diff --git a/bin/tests/system/dialup/ns3/hint.db b/bin/tests/system/dialup/ns3/hint.db
new file mode 100644
index 0000000..0198f25
--- /dev/null
+++ b/bin/tests/system/dialup/ns3/hint.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	1200	NS	ns1.example
+ns1.example	A	10.53.0.1
diff --git a/bin/tests/system/dialup/ns3/named.conf.in b/bin/tests/system/dialup/ns3/named.conf.in
new file mode 100644
index 0000000..054a658
--- /dev/null
+++ b/bin/tests/system/dialup/ns3/named.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	heartbeat-interval 2;
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "hint.db";
+};
+
+zone "example." {
+	type secondary;
+	dialup refresh;
+	notify no;
+	file "example.bk";
+	primaries { 10.53.0.2; };
+};
diff --git a/bin/tests/system/dialup/setup.sh b/bin/tests/system/dialup/setup.sh
new file mode 100644
index 0000000..dad3589
--- /dev/null
+++ b/bin/tests/system/dialup/setup.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
diff --git a/bin/tests/system/dialup/tests.sh b/bin/tests/system/dialup/tests.sh
new file mode 100644
index 0000000..b68c71e
--- /dev/null
+++ b/bin/tests/system/dialup/tests.sh
@@ -0,0 +1,66 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+
+rm -f dig.out.*
+
+DIGOPTS="+norec +tcp +noadd +nosea +nostat +noquest +nocmd -p ${PORT}"
+
+# Check the example. domain
+
+$DIG $DIGOPTS example. @10.53.0.1 soa > dig.out.ns1.test || ret=1
+echo_i "checking that first zone transfer worked"
+ret=0
+try=0
+while test $try -lt 120
+do
+	$DIG $DIGOPTS example. @10.53.0.2 soa > dig.out.ns2.test || ret=1
+	if grep SERVFAIL dig.out.ns2.test > /dev/null
+	then
+		try=$((try + 1))
+		sleep 1
+	else
+                digcomp dig.out.ns1.test dig.out.ns2.test || ret=1
+		break;
+	fi
+done
+echo_i "try $try"
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that second zone transfer worked"
+ret=0
+try=0
+while test $try -lt 120
+do
+	$DIG $DIGOPTS example. @10.53.0.3 soa > dig.out.ns3.test || ret=1
+	if grep SERVFAIL dig.out.ns3.test > /dev/null
+	then
+		try=$((try + 1))
+		sleep 1
+	else
+                digcomp dig.out.ns1.test dig.out.ns3.test || ret=1
+		break;
+	fi
+done
+echo_i "try $try"
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/dialup/tests_sh_dialup.py b/bin/tests/system/dialup/tests_sh_dialup.py
new file mode 100644
index 0000000..fa28e86
--- /dev/null
+++ b/bin/tests/system/dialup/tests_sh_dialup.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_dialup(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/digcomp.pl b/bin/tests/system/digcomp.pl
new file mode 100644
index 0000000..8024dea
--- /dev/null
+++ b/bin/tests/system/digcomp.pl
@@ -0,0 +1,164 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Compare two files, each with the output from dig, for differences.
+# Ignore "unimportant" differences, like ordering of NS lines, TTL's,
+# etc...
+
+$lc = 0;
+if ($ARGV[0] eq "--lc") {
+	$lc = 1;
+	shift;
+}
+$file1 = $ARGV[0];
+$file2 = $ARGV[1];
+
+$count = 0;
+$firstname = "";
+$status = 0;
+$rcode1 = "none";
+$rcode2 = "none";
+
+open(FILE1, $file1) || die("open: $file1: $!\n");
+while (<FILE1>) {
+	~ s/\r\n//g;
+	~ s/\n//g;
+	if (/^;.+status:\s+(\S+).+$/) {
+		$rcode1 = $1;
+	}
+	next if (/^;/);
+	if (/^(\S+)\s+\S+\s+(\S+)\s+(\S+)\s+(.+)$/) {
+		$name = $1;
+		$class = $2;
+		$type = $3;
+		$value = $4;
+		if ($lc) {
+			$name = lc($name);
+			$value = lc($value);
+		}
+		if ($type eq "SOA") {
+			$firstname = $name if ($firstname eq "");
+			if ($name eq $firstname) {
+				$name = "$name$count";
+				$count++;
+			}
+		}
+		if ($entry{"$name ; $class.$type ; $value"} ne "") {
+			$line = $entry{"$name ; $class.$type ; $value"};
+			print("Duplicate entry in $file1:\n> $_\n< $line\n");
+		} else {
+			$entry{"$name ; $class.$type ; $value"} = $_;
+		}
+	} elsif (/^(\S+)\s+\S+\s+(\S+)\s+(\S+)\s*$/) {
+		$name = $1;
+		$class = $2;
+		$type = $3;
+		$value = "";
+		if ($lc) {
+			$name = lc($name);
+			$value = lc($value);
+		}
+		if ($type eq "SOA") {
+			$firstname = $name if ($firstname eq "");
+			if ($name eq $firstname) {
+				$name = "$name$count";
+				$count++;
+			}
+		}
+		if ($entry{"$name ; $class.$type ; $value"} ne "") {
+			$line = $entry{"$name ; $class.$type ; $value"};
+			print("Duplicate entry in $file1:\n> $_\n< $line\n");
+		} else {
+			$entry{"$name ; $class.$type ; $value"} = $_;
+		}
+	}
+}
+close(FILE1);
+
+$printed = 0;
+
+open(FILE2, $file2) || die("open: $file2: $!\n");
+while (<FILE2>) {
+	~ s/\r\n//g;
+	~ s/\n//g;
+	if (/^;.+status:\s+(\S+).+$/) {
+		$rcode2 = $1;
+	}
+	next if (/^;/);
+	if (/^(\S+)\s+\S+\s+(\S+)\s+(\S+)\s+(.+)$/) {
+		$name = $1;
+		$class = $2;
+		$type = $3;
+		$value = $4;
+		if ($lc) {
+			$name = lc($name);
+			$value = lc($value);
+		}
+		if (($name eq $firstname) && ($type eq "SOA")) {
+			$count--;
+			$name = "$name$count";
+		}
+		if ($entry{"$name ; $class.$type ; $value"} ne "") {
+			$entry{"$name ; $class.$type ; $value"} = "";
+		} else {
+			print("Only in $file2 (missing from $file1):\n")
+			    if ($printed == 0);
+			print("> $_\n");
+			$printed++;
+			$status = 1;
+		}
+	} elsif (/^(\S+)\s+\S+\s+(\S+)\s+(\S+)\s*$/) {
+		$name = $1;
+		$class = $2;
+		$type = $3;
+		$value = "";
+		if ($lc) {
+			$name = lc($name);
+			$value = lc($value);
+		}
+		if (($name eq $firstname) && ($type eq "SOA")) {
+			$count--;
+			$name = "$name$count";
+		}
+		if ($entry{"$name ; $class.$type ; $value"} ne "") {
+			$entry{"$name ; $class.$type ; $value"} = "";
+		} else {
+			print("Only in $file2 (missing from $file1):\n")
+			    if ($printed == 0);
+			print("> $_\n");
+			$printed++;
+			$status = 1;
+		}
+	}
+}
+close(FILE2);
+
+$printed = 0;
+
+foreach $key (keys(%entry)) {
+	if ($entry{$key} ne "") {
+		print("Only in $file1 (missing from $file2):\n")
+		    if ($printed == 0);
+		print("< $entry{$key}\n");
+		$status = 1;
+		$printed++;
+	}
+}
+
+if ($rcode1 ne $rcode2) {
+	print("< status: $rcode1\n");
+	print("> status: $rcode2\n");
+	$status = 1;
+}
+
+exit($status);
diff --git a/bin/tests/system/digdelv/ans4/startme b/bin/tests/system/digdelv/ans4/startme
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/bin/tests/system/digdelv/ans4/startme
@@ -0,0 +1 @@
+
diff --git a/bin/tests/system/digdelv/ans5/ans.pl b/bin/tests/system/digdelv/ans5/ans.pl
new file mode 100644
index 0000000..6396406
--- /dev/null
+++ b/bin/tests/system/digdelv/ans5/ans.pl
@@ -0,0 +1,176 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# This is a TCP-only DNS server whose aim is to facilitate testing how dig
+# copes with prematurely closed TCP connections.
+#
+# This server can be configured (through a separate control socket) with a
+# series of responses to send for subsequent incoming TCP DNS queries.  Only
+# one query is handled before closing each connection.  In order to keep things
+# simple, the server is not equipped with any mechanism for handling malformed
+# queries.
+#
+# Available response types are defined in the %response_types hash in the
+# getAnswerSection() function below.  Each RR returned is generated dynamically
+# based on the QNAME found in the incoming query.
+
+use IO::File;
+use Net::DNS;
+use Net::DNS::Packet;
+
+use strict;
+
+# Ignore SIGPIPE so we won't fail if peer closes a TCP socket early
+local $SIG{PIPE} = 'IGNORE';
+
+# Flush logged output after every line
+local $| = 1;
+
+my $server_addr = "10.53.0.5";
+if (@ARGV > 0) {
+	$server_addr = @ARGV[0];
+}
+
+my $mainport = int($ENV{'PORT'});
+if (!$mainport) { $mainport = 5300; }
+my $ctrlport = int($ENV{'EXTRAPORT1'});
+if (!$ctrlport) { $ctrlport = 5301; }
+
+my $ctlsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $ctrlport, Proto => "tcp", Listen => 5, Reuse => 1) or die "$!";
+
+my $tcpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $mainport, Proto => "tcp", Listen => 5, Reuse => 1) or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";;
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+my @response_sequence = ("complete_axfr");
+my $connection_counter = 0;
+
+# Return the next answer type to send, incrementing the connection counter and
+# making sure the latter does not exceed the size of the array holding the
+# configured response sequence.
+sub getNextResponseType {
+	my $response_type = $response_sequence[$connection_counter];
+
+	$connection_counter++;
+	$connection_counter %= scalar(@response_sequence);
+
+	return $response_type;
+}
+
+# Return an array of resource records comprising the answer section of a given
+# response type.
+sub getAnswerSection {
+	my ($response_type, $qname) = @_;
+
+	my %response_types = (
+		no_response => [],
+
+		partial_axfr => [
+			Net::DNS::RR->new("$qname 300 IN SOA . . 0 0 0 0 300"),
+			Net::DNS::RR->new("$qname NS ."),
+		],
+
+		complete_axfr => [
+			Net::DNS::RR->new("$qname 300 IN SOA . . 0 0 0 0 300"),
+			Net::DNS::RR->new("$qname NS ."),
+			Net::DNS::RR->new("$qname 300 IN SOA . . 0 0 0 0 300"),
+		],
+	);
+
+	return $response_types{$response_type};
+}
+
+
+# Generate a Net::DNS::Packet containing the response to send on the current
+# TCP connection.  If the answer section of the response is determined to be
+# empty, no data will be sent on the connection at all (immediate EOF).
+sub generateResponse {
+	my ($buf) = @_;
+	my $request;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$request = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($request, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	my @questions = $request->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+	my $qclass = $questions[0]->qclass;
+	my $id = $request->header->id;
+
+	my $packet = new Net::DNS::Packet($qname, $qtype, $qclass);
+	$packet->header->qr(1);
+	$packet->header->aa(1);
+	$packet->header->id($id);
+
+	my $response_type = getNextResponseType();
+	my $answers = getAnswerSection($response_type, $qname);
+	for my $rr (@$answers) {
+		$packet->push("answer", $rr);
+	}
+
+	print "    Sending \"$response_type\" response\n";
+
+	return $packet->data if @$answers;
+}
+
+my $rin;
+my $rout;
+for (;;) {
+	$rin = '';
+	vec($rin, fileno($ctlsock), 1) = 1;
+	vec($rin, fileno($tcpsock), 1) = 1;
+
+	select($rout = $rin, undef, undef, undef);
+
+	if (vec($rout, fileno($ctlsock), 1)) {
+		my $conn = $ctlsock->accept;
+		@response_sequence = split(' ', $conn->getline);
+		$connection_counter = 0;
+		print "Response sequence set to: @response_sequence\n";
+		$conn->close;
+	} elsif (vec($rout, fileno($tcpsock), 1)) {
+		my $buf;
+		my $lenbuf;
+		my $conn = $tcpsock->accept;
+		my $n = $conn->sysread($lenbuf, 2);
+		die unless $n == 2;
+		my $len = unpack("n", $lenbuf);
+		$n = $conn->sysread($buf, $len);
+		die unless $n == $len;
+		print "TCP request\n";
+		my $response = generateResponse($buf);
+		if ($response) {
+			$len = length($response);
+			$n = $conn->syswrite(pack("n", $len), 2);
+			$n = $conn->syswrite($response, $len);
+			print "    Sent: $n chars via TCP\n";
+		} else {
+			print "    No response sent\n";
+		}
+		$conn->close;
+	}
+}
diff --git a/bin/tests/system/digdelv/ans6/ans.pl b/bin/tests/system/digdelv/ans6/ans.pl
new file mode 100755
index 0000000..39d02b2
--- /dev/null
+++ b/bin/tests/system/digdelv/ans6/ans.pl
@@ -0,0 +1,84 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use IO::File;
+use IO::Socket;
+use Net::DNS;
+use Net::DNS::Packet;
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $sock = IO::Socket::INET->new(LocalAddr => "10.53.0.6",
+   LocalPort => $localport, Proto => "udp") or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+for (;;) {
+	$sock->recv($buf, 512);
+
+	print "**** request from " , $sock->peerhost, " port ", $sock->peerport, "\n";
+
+	my $packet;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$packet = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($packet, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	print "REQUEST:\n";
+	$packet->print;
+
+	$packet->header->qr(1);
+
+	my @questions = $packet->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+
+	my $donotrespond = 0;
+
+	$packet->header->aa(1);
+	if ($qtype eq "A") {
+		$packet->push("answer",
+			      new Net::DNS::RR($qname .  " 300 A 10.53.0.5"));
+	} else {
+		$donotrespond = 1;
+	}
+
+	if ($donotrespond == 0) {
+                my $sendsock =
+                        IO::Socket::INET->new(LocalAddr => "10.53.1.2",
+                                              PeerAddr => $sock->peerhost,
+                                              PeerPort => $sock->peerport,
+                                              Proto => "udp") or die "$!";
+                print "**** response from ", $sendsock->sockhost, " to " ,
+                      $sendsock->peerhost, " port ", $sendsock->peerport, "\n";
+		$sendsock->send($packet->data);
+                $sendsock->close;
+		print "RESPONSE:\n";
+		$packet->print;
+		print "\n";
+	} else {
+		print "DROP:\n";
+	}
+}
diff --git a/bin/tests/system/digdelv/ans7/ans.pl b/bin/tests/system/digdelv/ans7/ans.pl
new file mode 100755
index 0000000..a7aa60e
--- /dev/null
+++ b/bin/tests/system/digdelv/ans7/ans.pl
@@ -0,0 +1,68 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use IO::File;
+use IO::Socket;
+use Net::DNS;
+use Net::DNS::Packet;
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $sock = IO::Socket::INET->new(LocalAddr => "10.53.0.7",
+   LocalPort => $localport, Proto => "udp") or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+STDOUT->autoflush(1);
+
+print "Net::DNS::VERSION => $Net::DNS::VERSION\n";
+
+for (;;) {
+	$sock->recv($buf, 512);
+
+	print "**** request from " , $sock->peerhost, " port ", $sock->peerport, "\n";
+
+	my $packet;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$packet = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($packet, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	print "REQUEST:\n";
+	$packet->print;
+
+	$packet->header->qr(1);
+	$packet->header->opcode(5);
+
+	my @questions = $packet->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+	$packet->push("update", rr_del("$qname SOA"));
+
+	print "RESPONSE:\n";
+	$packet->print;
+
+	$sock->send($packet->data);
+}
diff --git a/bin/tests/system/digdelv/ans8/ans.py b/bin/tests/system/digdelv/ans8/ans.py
new file mode 100644
index 0000000..3e18edc
--- /dev/null
+++ b/bin/tests/system/digdelv/ans8/ans.py
@@ -0,0 +1,202 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from __future__ import print_function
+import os
+import sys
+import signal
+import socket
+import select
+import struct
+
+import dns, dns.message
+from dns.rcode import *
+
+modes = [
+    b"silent",  # Do not respond
+    b"close",  # UDP: same as silent; TCP: also close the connection
+    b"servfail",  # Always respond with SERVFAIL
+    b"unstable",  # Constantly switch between "silent" and "servfail"
+]
+mode = modes[0]
+n = 0
+
+
+def ctrl_channel(msg):
+    global modes, mode, n
+
+    msg = msg.splitlines().pop(0)
+    print("Received control message: %s" % msg)
+
+    if msg in modes:
+        mode = msg
+        n = 0
+        print("New mode: %s" % str(mode))
+
+
+def create_servfail(msg):
+    m = dns.message.from_wire(msg)
+    qname = m.question[0].name.to_text()
+    rrtype = m.question[0].rdtype
+    typename = dns.rdatatype.to_text(rrtype)
+
+    with open("query.log", "a") as f:
+        f.write("%s %s\n" % (typename, qname))
+        print("%s %s" % (typename, qname), end=" ")
+
+    r = dns.message.make_response(m)
+    r.set_rcode(SERVFAIL)
+    return r
+
+
+def sigterm(signum, frame):
+    print("Shutting down now...")
+    os.remove("ans.pid")
+    running = False
+    sys.exit(0)
+
+
+ip4 = "10.53.0.8"
+
+try:
+    port = int(os.environ["PORT"])
+except:
+    port = 5300
+
+try:
+    ctrlport = int(os.environ["EXTRAPORT1"])
+except:
+    ctrlport = 5300
+
+query4_udp = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+query4_udp.bind((ip4, port))
+
+query4_tcp = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+query4_tcp.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+query4_tcp.bind((ip4, port))
+query4_tcp.listen(100)
+
+ctrl4_tcp = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ctrl4_tcp.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+ctrl4_tcp.bind((ip4, ctrlport))
+ctrl4_tcp.listen(100)
+
+signal.signal(signal.SIGTERM, sigterm)
+
+f = open("ans.pid", "w")
+pid = os.getpid()
+print(pid, file=f)
+f.close()
+
+running = True
+
+print("Listening on %s port %d" % (ip4, port))
+print("Listening on %s port %d" % (ip4, ctrlport))
+print("Ctrl-c to quit")
+
+input = [query4_udp, query4_tcp, ctrl4_tcp]
+
+hung_conns = []
+
+while running:
+    try:
+        inputready, outputready, exceptready = select.select(input, [], [])
+    except select.error as e:
+        break
+    except socket.error as e:
+        break
+    except KeyboardInterrupt:
+        break
+
+    for s in inputready:
+        if s == query4_udp:
+            n = n + 1
+            print("UDP query received on %s" % ip4, end=" ")
+            msg = s.recvfrom(65535)
+            if (
+                mode == b"silent"
+                or mode == b"close"
+                or (mode == b"unstable" and n % 2 == 1)
+            ):
+                # Do not respond.
+                print("NO RESPONSE (%s)" % str(mode))
+                continue
+            elif mode == b"servfail" or (mode == b"unstable" and n % 2 == 0):
+                rsp = create_servfail(msg[0])
+                if rsp:
+                    print(dns.rcode.to_text(rsp.rcode()))
+                    s.sendto(rsp.to_wire(), msg[1])
+                else:
+                    print("NO RESPONSE (can not create a response)")
+            else:
+                raise (Exception("unsupported mode: %s" % mode))
+        elif s == query4_tcp:
+            n = n + 1
+            print("TCP query received on %s" % ip4, end=" ")
+            conn = None
+            try:
+                if mode == b"silent" or (mode == b"unstable" and n % 2 == 1):
+                    conn, addr = s.accept()
+                    # Do not respond and hang the connection.
+                    print("NO RESPONSE (%s)" % str(mode))
+                    hung_conns.append(conn)
+                    continue
+                elif mode == b"close":
+                    conn, addr = s.accept()
+                    # Do not respond and close the connection.
+                    print("NO RESPONSE (%s)" % str(mode))
+                    conn.close()
+                    continue
+                elif mode == b"servfail" or (mode == b"unstable" and n % 2 == 0):
+                    conn, addr = s.accept()
+                    # get TCP message length
+                    msg = conn.recv(2)
+                    if len(msg) != 2:
+                        print("NO RESPONSE (can not read the message length)")
+                        conn.close()
+                        continue
+                    length = struct.unpack(">H", msg[:2])[0]
+                    msg = conn.recv(length)
+                    if len(msg) != length:
+                        print("NO RESPONSE (can not read the message)")
+                        conn.close()
+                        continue
+                    rsp = create_servfail(msg)
+                    if rsp:
+                        print(dns.rcode.to_text(rsp.rcode()))
+                        wire = rsp.to_wire()
+                        conn.send(struct.pack(">H", len(wire)))
+                        conn.send(wire)
+                    else:
+                        print("NO RESPONSE (can not create a response)")
+                else:
+                    raise (Exception("unsupported mode: %s" % mode))
+            except socket.error as e:
+                print("NO RESPONSE (error: %s)" % str(e))
+            if conn:
+                conn.close()
+        elif s == ctrl4_tcp:
+            print("Control channel connected")
+            conn = None
+            try:
+                # Handle control channel input
+                conn, addr = s.accept()
+                msg = conn.recv(1024)
+                if msg:
+                    ctrl_channel(msg)
+                conn.close()
+            except s.timeout:
+                pass
+            if conn:
+                conn.close()
+
+    if not running:
+        break
diff --git a/bin/tests/system/digdelv/clean.sh b/bin/tests/system/digdelv/clean.sh
new file mode 100644
index 0000000..ed9ad87
--- /dev/null
+++ b/bin/tests/system/digdelv/clean.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+rm -f ./*/anchor.*
+rm -f ./*/named.conf
+rm -f ./*/named.memstats
+rm -f ./*/named.run
+rm -f ./ans*/ans.run
+rm -f ./ans*/query.log
+rm -f ./delv.out.test*
+rm -f ./dig.out.*test*
+rm -f ./dig.out.mm.*
+rm -f ./dig.out.mn.*
+rm -f ./dig.out.nm.*
+rm -f ./dig.out.nn.*
+rm -f ./host.out.test*
+rm -f ./ns*/managed-keys.bind*
+rm -f ./ns*/named.lock
+rm -f ./ns2/dsset-example.
+rm -f ./ns2/example.db ./ns2/K* ./ns2/keyid ./ns2/keydata
+rm -f ./nslookup.out.test*
+rm -f ./yamlget.out.*
+rm -f ./nsupdate.out.test*
diff --git a/bin/tests/system/digdelv/ns1/named.conf.in b/bin/tests/system/digdelv/ns1/named.conf.in
new file mode 100644
index 0000000..df552bd
--- /dev/null
+++ b/bin/tests/system/digdelv/ns1/named.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	query-source address 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { fd92:7065:b8e:ffff::1; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/digdelv/ns1/root.db b/bin/tests/system/digdelv/ns1/root.db
new file mode 100644
index 0000000..b43cc40
--- /dev/null
+++ b/bin/tests/system/digdelv/ns1/root.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+a.root-servers.nil.	AAAA	fd92:7065:b8e:ffff::1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+ns2.example.		AAAA	fd92:7065:b8e:ffff::2
diff --git a/bin/tests/system/digdelv/ns2/example.db.in b/bin/tests/system/digdelv/ns2/example.db.in
new file mode 100644
index 0000000..c711049
--- /dev/null
+++ b/bin/tests/system/digdelv/ns2/example.db.in
@@ -0,0 +1,51 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			NS	ns3
+ns2			A	10.53.0.2
+ns2			AAAA	fd92:7065:b8e:ffff::2
+ns3			A	10.53.0.3
+ns3			AAAA	fd92:7065:b8e:ffff::3
+
+a			A	10.0.0.1
+a			AAAA	fd92:7065:b8e:ffff::1
+b			A	10.0.0.2
+b			AAAA	fd92:7065:b8e:ffff::2
+c			A	10.0.0.3
+c			AAAA	fd92:7065:b8e:ffff::3
+d			A	10.0.0.0
+d			AAAA	fd92:7065:b8e:ffff::
+
+xn--caf-dma		A	10.1.2.3
+
+foo			TXT	"testing"
+foo			A	10.0.1.0
+foo			SSHFP	2 1 123456789abcdef67890123456789abcdef67890
+
+; TTL of 3 weeks
+weeks		1814400	A	10.53.0.2
+; TTL of 3 days
+days		259200	A	10.53.0.2
+; TTL of 3 hours
+hours		10800	A	10.53.0.2
+;TTL of 45 minutes
+minutes		2700	A	10.53.0.2
+;TTL of 45 seconds
+seconds		45	A	10.53.0.2
diff --git a/bin/tests/system/digdelv/ns2/named.conf.in b/bin/tests/system/digdelv/ns2/named.conf.in
new file mode 100644
index 0000000..1391b73
--- /dev/null
+++ b/bin/tests/system/digdelv/ns2/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/digdelv/ns2/sign.sh b/bin/tests/system/digdelv/ns2/sign.sh
new file mode 100644
index 0000000..c8564b2
--- /dev/null
+++ b/bin/tests/system/digdelv/ns2/sign.sh
@@ -0,0 +1,29 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+ksk=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone example.)
+
+cp example.db.in example.db
+
+"$SIGNER" -Sz -f example.db -o example example.db.in > /dev/null 2>&1
+
+keyfile_to_key_id "$ksk" > keyid
+grep -Ev '^;' < "$ksk.key" | cut -f 7- -d ' ' > keydata
+
+keyfile_to_initial_keys "$ksk" > ../ns3/anchor.dnskey
+keyfile_to_initial_ds "$ksk" > ../ns3/anchor.ds
diff --git a/bin/tests/system/digdelv/ns3/named.conf.in b/bin/tests/system/digdelv/ns3/named.conf.in
new file mode 100644
index 0000000..66bb748
--- /dev/null
+++ b/bin/tests/system/digdelv/ns3/named.conf.in
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { fd92:7065:b8e:ffff::3; };
+	recursion yes;
+	dnssec-validation no;
+	server-id "ns3";
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/digdelv/setup.sh b/bin/tests/system/digdelv/setup.sh
new file mode 100644
index 0000000..ca63977
--- /dev/null
+++ b/bin/tests/system/digdelv/setup.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+
+cd ns2 && $SHELL sign.sh
diff --git a/bin/tests/system/digdelv/tests.sh b/bin/tests/system/digdelv/tests.sh
new file mode 100644
index 0000000..dceced6
--- /dev/null
+++ b/bin/tests/system/digdelv/tests.sh
@@ -0,0 +1,1403 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+status=0
+n=0
+
+sendcmd() {
+    send "${1}" "$EXTRAPORT1"
+}
+
+dig_with_opts() {
+    "$DIG" -p "$PORT" "$@"
+}
+
+mdig_with_opts() {
+    "$MDIG" -p "$PORT" "$@"
+}
+
+# Check if response in file $1 has the correct TTL range.
+# The response record must have RRtype $2 and class IN (CLASS1).
+# Maximum TTL is given by $3.  This works in most cases where TTL is
+# the second word on the line.  TTL position can be adjusted with
+# setting the position $4, but that requires updating this function.
+check_ttl_range() {
+    file=$1
+    pos=$4
+
+    case "$pos" in
+    "3")
+    { awk -v rrtype="$2" -v ttl="$3" '($4 == "IN" || $4 == "CLASS1" ) && $5 == rrtype { if ($3 <= ttl) { ok=1 } } END { exit(ok?0:1) }' < $file; result=$?; } || true
+    ;;
+    *)
+    { awk -v rrtype="$2" -v ttl="$3" '($3 == "IN" || $3 == "CLASS1" ) && $4 == rrtype { if ($2 <= ttl) { ok=1 } } END { exit(ok?0:1) }' < $file; result=$?; } || true
+    ;;
+    esac
+
+   [ $result -eq 0 ] || echo_i "ttl check failed"
+   return $result
+}
+
+# using delv insecure mode as not testing dnssec here
+delv_with_opts() {
+    "$DELV" +noroot -p "$PORT" "$@"
+}
+
+KEYID="$(cat ns2/keyid)"
+KEYDATA="$(< ns2/keydata sed -e 's/+/[+]/g')"
+NOSPLIT="$(< ns2/keydata sed -e 's/+/[+]/g' -e 's/ //g')"
+
+HAS_PYYAML=0
+if [ -x "$PYTHON" ] ; then
+	$PYTHON -c "import yaml" 2> /dev/null && HAS_PYYAML=1
+fi
+
+#
+# test whether ans7/ans.pl will be able to send a UPDATE response.
+# if it can't, we will log that below.
+#
+if "$PERL" -e 'use Net::DNS; use Net::DNS::Packet; my $p = new Net::DNS::Packet; $p->header->opcode(5);' > /dev/null 2>&1
+then
+	checkupdate=1
+else
+	checkupdate=0
+fi
+
+if [ -x "$NSLOOKUP" -a $checkupdate -eq 1 ] ; then
+
+  n=$((n+1))
+  echo_i "check nslookup handles UPDATE response ($n)"
+  ret=0
+  "$NSLOOKUP" -q=CNAME -timeout=1 "-port=$PORT" foo.bar 10.53.0.7 > nslookup.out.test$n 2>&1 && ret=1
+  grep "Opcode mismatch" nslookup.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+fi
+
+if [ -x "$HOST" -a $checkupdate -eq 1 ] ; then
+
+  n=$((n+1))
+  echo_i "check host handles UPDATE response ($n)"
+  ret=0
+  "$HOST" -W 1 -t CNAME -p $PORT foo.bar 10.53.0.7 > host.out.test$n 2>&1 && ret=1
+  grep "Opcode mismatch" host.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+fi
+
+if [ -x "$NSUPDATE" -a $checkupdate -eq 1 ] ; then
+
+  n=$((n+1))
+  echo_i "check nsupdate handles UPDATE response to QUERY ($n)"
+  ret=0
+  res=0
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || res=$?
+server 10.53.0.7 ${PORT}
+add x.example.com 300 in a 1.2.3.4
+send
+EOF
+  test $res -eq 1 || ret=1
+  grep "invalid OPCODE in response to SOA query" nsupdate.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+fi
+
+if [ -x "$DIG" ] ; then
+
+  if [ $checkupdate -eq 1 ] ; then
+
+    n=$((n+1))
+    echo_i "check dig handles UPDATE response ($n)"
+    ret=0
+    dig_with_opts @10.53.0.7 +tries=1 +timeout=1 cname foo.bar > dig.out.test$n 2>&1 && ret=1
+    grep "Opcode mismatch" dig.out.test$n > /dev/null || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+  else
+    echo_i "Skipped UPDATE handling test"
+  fi
+
+  n=$((n+1))
+  echo_i "checking dig short form works ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +short a a.example > dig.out.test$n || ret=1
+  test "$(wc -l < dig.out.test$n)" -eq 1 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig split width works ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +split=4 -t sshfp foo.example > dig.out.test$n || ret=1
+  grep " 9ABC DEF6 7890 " < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "SSHFP" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +unknownformat works ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +unknownformat a a.example > dig.out.test$n || ret=1
+  grep "CLASS1[ 	][ 	]*TYPE1[ 	][ 	]*\\\\# 4 0A000001" < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "TYPE1" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig with reverse lookup works ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 -x 127.0.0.1 > dig.out.test$n 2>&1 || ret=1
+  # doesn't matter if has answer
+  grep -i "127\\.in-addr\\.arpa\\." < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "SOA" 86400 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig over TCP works ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 a a.example > dig.out.test$n || ret=1
+  grep "10\\.0\\.0\\.1$" < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +multi +norrcomments works for DNSKEY (when default is rrcomments)($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +multi +norrcomments -t DNSKEY example > dig.out.test$n || ret=1
+  grep "; ZSK; alg = $DEFAULT_ALGORITHM ; key id = $KEYID" dig.out.test$n > /dev/null && ret=1
+  check_ttl_range dig.out.test$n "DNSKEY" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +multi +norrcomments works for SOA (when default is rrcomments)($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +multi +norrcomments -t SOA example > dig.out.test$n || ret=1
+  grep "; serial" dig.out.test$n > /dev/null && ret=1
+  check_ttl_range dig.out.test$n "SOA" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +rrcomments works for DNSKEY($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +rrcomments DNSKEY example > dig.out.test$n || ret=1
+  grep "; ZSK; alg = $DEFAULT_ALGORITHM ; key id = $KEYID" < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "DNSKEY" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +short +rrcomments works for DNSKEY ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +short +rrcomments DNSKEY example > dig.out.test$n || ret=1
+  grep "; ZSK; alg = $DEFAULT_ALGORITHM ; key id = $KEYID" < dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +short +nosplit works($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +short +nosplit DNSKEY example > dig.out.test$n || ret=1
+  grep "$NOSPLIT" < dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +short +rrcomments works($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +short +rrcomments DNSKEY example > dig.out.test$n || ret=1
+  grep -q "$KEYDATA  ; ZSK; alg = $DEFAULT_ALGORITHM ; key id = $KEYID\$" < dig.out.test$n || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig multi flag is local($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 -t DNSKEY example +nomulti example +nomulti > dig.out.nn.$n || ret=1
+  dig_with_opts +tcp @10.53.0.3 -t DNSKEY example +multi example +nomulti > dig.out.mn.$n || ret=1
+  dig_with_opts +tcp @10.53.0.3 -t DNSKEY example +nomulti example +multi > dig.out.nm.$n || ret=1
+  dig_with_opts +tcp @10.53.0.3 -t DNSKEY example +multi example +multi > dig.out.mm.$n || ret=1
+  lcnn=$(wc -l < dig.out.nn.$n)
+  lcmn=$(wc -l < dig.out.mn.$n)
+  lcnm=$(wc -l < dig.out.nm.$n)
+  lcmm=$(wc -l < dig.out.mm.$n)
+  test "$lcmm" -ge "$lcnm" || ret=1
+  test "$lcmm" -ge "$lcmn" || ret=1
+  test "$lcnm" -ge "$lcnn" || ret=1
+  test "$lcmn" -ge "$lcnn" || ret=1
+  check_ttl_range dig.out.nn.$n "DNSKEY" 300 || ret=1
+  check_ttl_range dig.out.mn.$n "DNSKEY" 300 || ret=1
+  check_ttl_range dig.out.nm.$n "DNSKEY" 300 || ret=1
+  check_ttl_range dig.out.mm.$n "DNSKEY" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +noheader-only works ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +noheader-only A example > dig.out.test$n || ret=1
+  grep "Got answer:" < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "SOA" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +short +rrcomments works($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +short +rrcomments DNSKEY example > dig.out.test$n || ret=1
+  grep -q "$KEYDATA  ; ZSK; alg = $DEFAULT_ALGORITHM ; key id = $KEYID\$" < dig.out.test$n || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +header-only works ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +header-only example > dig.out.test$n || ret=1
+  grep "^;; flags: qr rd; QUERY: 0, ANSWER: 0," < dig.out.test$n > /dev/null || ret=1
+  grep "^;; QUESTION SECTION:" < dig.out.test$n > /dev/null && ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +raflag works ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +raflag +qr example > dig.out.test$n || ret=1
+  grep "^;; flags: rd ra ad; QUERY: 1, ANSWER: 0," < dig.out.test$n > /dev/null || ret=1
+  grep "^;; flags: qr rd ra; QUERY: 1, ANSWER: 0," < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "SOA" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +tcflag works ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +tcflag +qr example > dig.out.test$n || ret=1
+  grep "^;; flags: tc rd ad; QUERY: 1, ANSWER: 0" < dig.out.test$n > /dev/null || ret=1
+  grep "^;; flags: qr rd ra; QUERY: 1, ANSWER: 0," < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "SOA" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +header-only works (with class and type set) ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +header-only -c IN -t A example > dig.out.test$n || ret=1
+  grep "^;; flags: qr rd; QUERY: 0, ANSWER: 0," < dig.out.test$n > /dev/null || ret=1
+  grep "^;; QUESTION SECTION:" < dig.out.test$n > /dev/null && ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +zflag works, and that BIND properly ignores it ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.3 +zflag +qr A example > dig.out.test$n || ret=1
+  sed -n '/Sending:/,/Got answer:/p' dig.out.test$n | grep "^;; flags: rd ad; MBZ: 0x4;" > /dev/null || ret=1
+  sed -n '/Got answer:/,/AUTHORITY SECTION:/p' dig.out.test$n | grep "^;; flags: qr rd ra; QUERY: 1" > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "SOA" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +qr +ednsopt=08 does not cause an INSIST failure ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=08 +qr a a.example > dig.out.test$n || ret=1
+  grep "INSIST" < dig.out.test$n > /dev/null && ret=1
+  grep "FORMERR" < dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +ttlunits works ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.2 +ttlunits A weeks.example > dig.out.test$n || ret=1
+  grep "^weeks.example.		3w" < dig.out.test$n > /dev/null || ret=1
+  dig_with_opts +tcp @10.53.0.2 +ttlunits A days.example > dig.out.test$n || ret=1
+  grep "^days.example.		3d" < dig.out.test$n > /dev/null || ret=1
+  dig_with_opts +tcp @10.53.0.2 +ttlunits A hours.example > dig.out.test$n || ret=1
+  grep "^hours.example.		3h" < dig.out.test$n > /dev/null || ret=1
+  dig_with_opts +tcp @10.53.0.2 +ttlunits A minutes.example > dig.out.test$n || ret=1
+  grep "^minutes.example.	45m" < dig.out.test$n > /dev/null || ret=1
+  dig_with_opts +tcp @10.53.0.2 +ttlunits A seconds.example > dig.out.test$n || ret=1
+  grep "^seconds.example.	45s" < dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig respects precedence of options with +ttlunits ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.2 +ttlunits +nottlid A weeks.example > dig.out.test$n || ret=1
+  grep "^weeks.example.		IN" < dig.out.test$n > /dev/null || ret=1
+  dig_with_opts +tcp @10.53.0.2 +nottlid +ttlunits A weeks.example > dig.out.test$n || ret=1
+  grep "^weeks.example.		3w" < dig.out.test$n > /dev/null || ret=1
+  dig_with_opts +tcp @10.53.0.2 +nottlid +nottlunits A weeks.example > dig.out.test$n || ret=1
+  grep "^weeks.example.		1814400" < dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig preserves origin on TCP retries ($n)"
+  ret=0
+  # Ask ans4 to still accept TCP connections, but not respond to queries
+  echo "//" | sendcmd 10.53.0.4
+  dig_with_opts -d +tcp @10.53.0.4 +retry=1 +time=1 +domain=bar foo > dig.out.test$n 2>&1 && ret=1
+  test "$(grep -c "trying origin bar" dig.out.test$n)" -eq 2 || ret=1
+  grep "using root origin" < dig.out.test$n > /dev/null && ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig -6 -4 ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.2 -4 -6 A a.example > dig.out.test$n 2>&1 && ret=1
+  grep "only one of -4 and -6 allowed" < dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig @IPv6addr -4 A a.example ($n)"
+  if testsock6 fd92:7065:b8e:ffff::2 2>/dev/null
+  then
+    ret=0
+    dig_with_opts +tcp @fd92:7065:b8e:ffff::2 -4 A a.example > dig.out.test$n 2>&1 && ret=1
+    grep "address family not supported" < dig.out.test$n > /dev/null || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+  else
+    echo_i "IPv6 unavailable; skipping"
+  fi
+
+  n=$((n+1))
+  echo_i "checking dig +tcp @IPv4addr -6 A a.example ($n)"
+  if testsock6 fd92:7065:b8e:ffff::2 2>/dev/null
+  then
+    ret=0
+    dig_with_opts +tcp @10.53.0.2 -6 A a.example > dig.out.test$n 2>&1 || ret=1
+    grep "SERVER: ::ffff:10.53.0.2#$PORT" < dig.out.test$n > /dev/null && ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+  else
+    echo_i "IPv6 unavailable; skipping"
+  fi
+  n=$((n+1))
+
+  echo_i "checking dig +notcp @IPv4addr -6 A a.example ($n)"
+  if testsock6 fd92:7065:b8e:ffff::2 2>/dev/null
+  then
+    ret=0
+    dig_with_opts +notcp @10.53.0.2 -6 A a.example > dig.out.test$n 2>&1 || ret=1
+    grep "SERVER: ::ffff:10.53.0.2#$PORT" < dig.out.test$n > /dev/null && ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+  else
+    echo_i "IPv6 unavailable; skipping"
+  fi
+
+  n=$((n+1))
+  echo_i "checking dig +subnet ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.2 +subnet=127.0.0.1 A a.example > dig.out.test$n 2>&1 || ret=1
+  grep "CLIENT-SUBNET: 127.0.0.1/32/0" < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +subnet +subnet ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.2 +subnet=127.0.0.0 +subnet=127.0.0.1 A a.example > dig.out.test$n 2>&1 || ret=1
+  grep "CLIENT-SUBNET: 127.0.0.1/32/0" < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +subnet with various prefix lengths ($n)"
+  ret=0
+  for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24; do
+      dig_with_opts +tcp @10.53.0.2 +subnet=255.255.255.255/$i A a.example > dig.out.$i.test$n 2>&1 || ret=1
+      case $i in
+      1|9|17) octet=128 ;;
+      2|10|18) octet=192 ;;
+      3|11|19) octet=224 ;;
+      4|12|20) octet=240 ;;
+      5|13|21) octet=248 ;;
+      6|14|22) octet=252 ;;
+      7|15|23) octet=254 ;;
+      8|16|24) octet=255 ;;
+      esac
+      case $i in
+      1|2|3|4|5|6|7|8) addr="${octet}.0.0.0";;
+      9|10|11|12|13|14|15|16) addr="255.${octet}.0.0";;
+      17|18|19|20|21|22|23|24) addr="255.255.${octet}.0" ;;
+      esac
+      grep "FORMERR" < dig.out.$i.test$n > /dev/null && ret=1
+      grep "CLIENT-SUBNET: $addr/$i/0" < dig.out.$i.test$n > /dev/null || ret=1
+      check_ttl_range dig.out.$i.test$n "A" 300 || ret=1
+  done
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +subnet=0/0 ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.2 +subnet=0/0 A a.example > dig.out.test$n 2>&1 || ret=1
+  grep "status: NOERROR" < dig.out.test$n > /dev/null || ret=1
+  grep "CLIENT-SUBNET: 0.0.0.0/0/0" < dig.out.test$n > /dev/null || ret=1
+  grep "10.0.0.1" < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +subnet=0 ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.2 +subnet=0 A a.example > dig.out.test$n 2>&1 || ret=1
+  grep "status: NOERROR" < dig.out.test$n > /dev/null || ret=1
+  grep "CLIENT-SUBNET: 0.0.0.0/0/0" < dig.out.test$n > /dev/null || ret=1
+  grep "10.0.0.1" < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +subnet=::/0 ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.2 +subnet=::/0 A a.example > dig.out.test$n 2>&1 || ret=1
+  grep "status: NOERROR" < dig.out.test$n > /dev/null || ret=1
+  grep "CLIENT-SUBNET: ::/0/0" < dig.out.test$n > /dev/null || ret=1
+  grep "10.0.0.1" < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +ednsopt=8:00000000 (family=0, source=0, scope=0) ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.2 +ednsopt=8:00000000 A a.example > dig.out.test$n 2>&1 || ret=1
+  grep "status: NOERROR" < dig.out.test$n > /dev/null || ret=1
+  grep "CLIENT-SUBNET: 0/0/0" < dig.out.test$n > /dev/null || ret=1
+  grep "10.0.0.1" < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +ednsopt=8:00030000 (family=3, source=0, scope=0) ($n)"
+  ret=0
+  dig_with_opts +qr +tcp @10.53.0.2 +ednsopt=8:00030000 A a.example > dig.out.test$n 2>&1 || ret=1
+  grep "status: FORMERR" < dig.out.test$n > /dev/null || ret=1
+  grep "CLIENT-SUBNET: 00 03 00 00" < dig.out.test$n > /dev/null || ret=1
+  test "$(grep -c "CLIENT-SUBNET: 00 03 00 00" dig.out.test$n)" -eq 1 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +subnet with prefix lengths between byte boundaries ($n)"
+  ret=0
+  for p in 9 10 11 12 13 14 15; do
+    dig_with_opts +tcp @10.53.0.2 +subnet=10.53/$p A a.example > dig.out.test.$p.$n 2>&1 || ret=1
+    grep "FORMERR" < dig.out.test.$p.$n > /dev/null && ret=1
+    grep "CLIENT-SUBNET.*/$p/0" < dig.out.test.$p.$n > /dev/null || ret=1
+    check_ttl_range dig.out.test.$p.$n "A" 300 || ret=1
+  done
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +sp works as an abbreviated form of split ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +sp=4 -t sshfp foo.example > dig.out.test$n || ret=1
+  grep " 9ABC DEF6 7890 " < dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "SSHFP" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig -c works ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 -c CHAOS -t txt version.bind > dig.out.test$n || ret=1
+  grep "version.bind.		0	CH	TXT" < dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +ednsopt with option number ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=3 a.example > dig.out.test$n 2>&1 || ret=1
+  grep 'NSID: .* ("ns3")' dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking dig +ednsopt with option name ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=nsid a.example > dig.out.test$n 2>&1 || ret=1
+  grep 'NSID: .* ("ns3")' dig.out.test$n > /dev/null || ret=1
+  check_ttl_range dig.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking ednsopt LLQ prints as expected ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=llq:0001000200001234567812345678fefefefe +qr a.example > dig.out.test$n 2>&1 || ret=1
+  pat='LLQ: Version: 1, Opcode: 2, Error: 0, Identifier: 1311768465173141112, Lifetime: 4278124286$'
+  grep "$pat" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking that dig warns about .local queries ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 local soa > dig.out.test$n 2>&1 || ret=1
+  grep ";; WARNING: .local is reserved for Multicast DNS" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig processes +ednsopt=key-tag and FORMERR is returned ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=key-tag a.example +qr > dig.out.test$n 2>&1 || ret=1
+  grep "; KEY-TAG: *$" dig.out.test$n > /dev/null || ret=1
+  grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig processes +ednsopt=key-tag:<value-list> ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=key-tag:00010002 a.example +qr > dig.out.test$n 2>&1 || ret=1
+  grep "; KEY-TAG: 1, 2$" dig.out.test$n > /dev/null || ret=1
+  grep "status: FORMERR" dig.out.test$n > /dev/null && ret=1
+  check_ttl_range dig.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig processes +ednsopt=key-tag:<malformed-value-list> and FORMERR is returned ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=key-tag:0001000201 a.example +qr > dig.out.test$n 2>&1 || ret=1
+  grep "; KEY-TAG: 00 01 00 02 01" dig.out.test$n > /dev/null || ret=1
+  grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig processes +ednsopt=client-tag:value ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=client-tag:0001 a.example +qr > dig.out.test$n 2>&1 || ret=1
+  grep "; CLIENT-TAG: 1$" dig.out.test$n > /dev/null || ret=1
+  grep "status: FORMERR" dig.out.test$n > /dev/null && ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that FORMERR is returned for a too short client-tag ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=client-tag:01 a.example +qr > dig.out.test$n 2>&1 || ret=1
+  grep "; CLIENT-TAG" dig.out.test$n > /dev/null || ret=1
+  grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that FORMERR is returned for a too long client-tag ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=client-tag:000001 a.example +qr > dig.out.test$n 2>&1 || ret=1
+  grep "; CLIENT-TAG" dig.out.test$n > /dev/null || ret=1
+  grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig processes +ednsopt=server-tag:value ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=server-tag:0001 a.example +qr > dig.out.test$n 2>&1 || ret=1
+  grep "; SERVER-TAG: 1$" dig.out.test$n > /dev/null || ret=1
+  grep "status: FORMERR" dig.out.test$n > /dev/null && ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that FORMERR is returned for a too short server-tag ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=server-tag:01 a.example +qr > dig.out.test$n 2>&1 || ret=1
+  grep "; SERVER-TAG" dig.out.test$n > /dev/null || ret=1
+  grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that FORMERR is returned for a too long server-tag ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=server-tag:000001 a.example +qr > dig.out.test$n 2>&1 || ret=1
+  grep "; SERVER-TAG" dig.out.test$n > /dev/null || ret=1
+  grep "status: FORMERR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that Extended DNS Error 0 is printed correctly ($n)"
+  # First defined EDE code, additional text "foo".
+  dig_with_opts @10.53.0.3 +ednsopt=ede:0000666f6f a.example +qr > dig.out.test$n 2>&1 || ret=1
+  pat='^; EDE: 0 (Other): (foo)$'
+  grep "$pat" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that Extended DNS Error 24 is printed correctly ($n)"
+  # Last defined EDE code, no additional text.
+  dig_with_opts @10.53.0.3 +ednsopt=ede:0018 a.example +qr > dig.out.test$n 2>&1 || ret=1
+  pat='^; EDE: 24 (Invalid Data)$'
+  grep "$pat" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that Extended DNS Error 25 is printed correctly ($n)"
+  # First undefined EDE code, additional text "foo".
+  dig_with_opts @10.53.0.3 +ednsopt=ede:0019666f6f a.example +qr > dig.out.test$n 2>&1 || ret=1
+  pat='^; EDE: 25: (foo)$'
+  grep "$pat" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that invalid Extended DNS Error (length 0) is printed ($n)"
+  # EDE payload is too short
+  dig_with_opts @10.53.0.3 +ednsopt=ede a.example +qr > dig.out.test$n 2>&1 || ret=1
+  pat='^; EDE:$'
+  grep "$pat" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that invalid Extended DNS Error (length 1) is printed ($n)"
+  # EDE payload is too short
+  dig_with_opts @10.53.0.3 +ednsopt=ede:00 a.example +qr > dig.out.test$n 2>&1 || ret=1
+  pat='^; EDE: 00 (".")$'
+  grep "$pat" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  if [ $HAS_PYYAML -ne 0 ] ; then
+    n=$((n+1))
+    echo_i "check that +yaml Extended DNS Error 0 is printed correctly ($n)"
+    # First defined EDE code, additional text "foo".
+    dig_with_opts @10.53.0.3 +yaml +ednsopt=ede:0000666f6f a.example +qr > dig.out.test$n 2>&1 || ret=1
+    $PYTHON yamlget.py dig.out.test$n 0 message query_message_data OPT_PSEUDOSECTION EDNS EDE INFO-CODE > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "0 (Other)" ] || ret=1
+    $PYTHON yamlget.py dig.out.test$n 0 message query_message_data OPT_PSEUDOSECTION EDNS EDE EXTRA-TEXT > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "foo" ] || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "check that +yaml Extended DNS Error 24 is printed correctly ($n)"
+    # Last defined EDE code, no additional text.
+    dig_with_opts @10.53.0.3 +yaml +ednsopt=ede:0018 a.example +qr > dig.out.test$n 2>&1 || ret=1
+    $PYTHON yamlget.py dig.out.test$n 0 message query_message_data OPT_PSEUDOSECTION EDNS EDE INFO-CODE > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "24 (Invalid Data)" ] || ret=1
+    $PYTHON yamlget.py dig.out.test$n 0 message query_message_data OPT_PSEUDOSECTION EDNS EDE EXTRA-TEXT > yamlget.out.test$n 2>&1 && ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "check that +yaml Extended DNS Error 25 is printed correctly ($n)"
+    # First undefined EDE code, additional text "foo".
+    dig_with_opts @10.53.0.3 +yaml +ednsopt=ede:0019666f6f a.example +qr > dig.out.test$n 2>&1 || ret=1
+    $PYTHON yamlget.py dig.out.test$n 0 message query_message_data OPT_PSEUDOSECTION EDNS EDE INFO-CODE > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "25" ] || ret=1
+    $PYTHON yamlget.py dig.out.test$n 0 message query_message_data OPT_PSEUDOSECTION EDNS EDE EXTRA-TEXT > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "foo" ] || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "check that invalid Extended DNS Error (length 0) is printed ($n)"
+    # EDE payload is too short
+    dig_with_opts @10.53.0.3 +yaml +ednsopt=ede a.example +qr > dig.out.test$n 2>&1 || ret=1
+    $PYTHON yamlget.py dig.out.test$n 0 message query_message_data OPT_PSEUDOSECTION EDNS EDE > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "None" ] || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "check that invalid +yaml Extended DNS Error (length 1) is printed ($n)"
+    # EDE payload is too short
+    dig_with_opts @10.53.0.3 +yaml +ednsopt=ede:00 a.example +qr > dig.out.test$n 2>&1 || ret=1
+    $PYTHON yamlget.py dig.out.test$n 0 message query_message_data OPT_PSEUDOSECTION EDNS EDE > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = '00 (".")' ] || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+  fi
+
+  n=$((n+1))
+  echo_i "check that dig handles malformed option '+ednsopt=:' gracefully ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +ednsopt=: a.example > dig.out.test$n 2>&1 && ret=1
+  grep "ednsopt no code point specified" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig gracefully handles bad escape in domain name ($n)"
+  ret=0
+  digstatus=0
+  dig_with_opts @10.53.0.3 '\0.' > dig.out.test$n 2>&1 || digstatus=$?
+  echo digstatus=$digstatus >> dig.out.test$n
+  test $digstatus -eq 10 || ret=1
+  grep REQUIRE dig.out.test$n > /dev/null && ret=1
+  grep "is not a legal name (bad escape)" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig -q -m works ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 -q -m > dig.out.test$n 2>&1
+  pat='^;-m\..*IN.*A$'
+  grep "$pat" dig.out.test$n > /dev/null || ret=1
+  grep "Dump of all outstanding memory allocations" dig.out.test$n > /dev/null && ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking exit code for a retry upon TCP EOF (immediate -> immediate) ($n)"
+  ret=0
+  echo "no_response no_response" | sendcmd 10.53.0.5
+  dig_with_opts @10.53.0.5 example AXFR +tries=2 > dig.out.test$n 2>&1 && ret=1
+  # Sanity check: ensure ans5 behaves as expected.
+  [ $(grep "communications error.*end of file" dig.out.test$n | wc -l) -eq 2 ] || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking exit code for a retry upon TCP EOF (partial AXFR -> partial AXFR) ($n)"
+  ret=0
+  echo "partial_axfr partial_axfr" | sendcmd 10.53.0.5
+  dig_with_opts @10.53.0.5 example AXFR +tries=2 > dig.out.test$n 2>&1 && ret=1
+  # Sanity check: ensure ans5 behaves as expected.
+  [ $(grep "communications error.*end of file" dig.out.test$n | wc -l) -eq 2 ] || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking exit code for a retry upon TCP EOF (immediate -> partial AXFR) ($n)"
+  ret=0
+  echo "no_response partial_axfr" | sendcmd 10.53.0.5
+  dig_with_opts @10.53.0.5 example AXFR +tries=2 > dig.out.test$n 2>&1 && ret=1
+  # Sanity check: ensure ans5 behaves as expected.
+  [ $(grep "communications error.*end of file" dig.out.test$n | wc -l) -eq 2 ] || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking exit code for a retry upon TCP EOF (partial AXFR -> immediate) ($n)"
+  ret=0
+  echo "partial_axfr no_response" | sendcmd 10.53.0.5
+  dig_with_opts @10.53.0.5 example AXFR +tries=2 > dig.out.test$n 2>&1 && ret=1
+  # Sanity check: ensure ans5 behaves as expected.
+  [ $(grep "communications error.*end of file" dig.out.test$n | wc -l) -eq 2 ] || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking exit code for a retry upon TCP EOF (immediate -> complete AXFR) ($n)"
+  ret=0
+  echo "no_response complete_axfr" | sendcmd 10.53.0.5
+  dig_with_opts @10.53.0.5 example AXFR +tries=2 > dig.out.test$n 2>&1 || ret=1
+  # Sanity check: ensure ans5 behaves as expected.
+  [ $(grep "communications error.*end of file" dig.out.test$n | wc -l) -eq 1 ] || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking exit code for a retry upon TCP EOF (partial AXFR -> complete AXFR) ($n)"
+  ret=0
+  echo "partial_axfr complete_axfr" | sendcmd 10.53.0.5
+  dig_with_opts @10.53.0.5 example AXFR +tries=2 > dig.out.test$n 2>&1 || ret=1
+  # Sanity check: ensure ans5 behaves as expected.
+  [ $(grep "communications error.*end of file" dig.out.test$n | wc -l) -eq 1 ] || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking +tries=1 won't retry twice upon TCP EOF ($n)"
+  ret=0
+  echo "no_response no_response" | sendcmd 10.53.0.5
+  dig_with_opts @10.53.0.5 example AXFR +tries=1 > dig.out.test$n 2>&1 && ret=1
+  # Sanity check: ensure ans5 behaves as expected.
+  [ $(grep "communications error.*end of file" dig.out.test$n | wc -l) -eq 1 ] || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking +retry=0 won't retry twice upon TCP EOF ($n)"
+  ret=0
+  dig_with_opts @10.53.0.5 example AXFR +retry=0 > dig.out.test$n 2>&1 && ret=1
+  # Sanity check: ensure ans5 behaves as expected.
+  [ $(grep "communications error.*end of file" dig.out.test$n | wc -l) -eq 1 ] || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig +expandaaaa works ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +expandaaaa AAAA ns2.example > dig.out.test$n 2>&1 || ret=1
+  grep "ns2.example.*fd92:7065:0b8e:ffff:0000:0000:0000:0002" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig +noexpandaaaa works ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +noexpandaaaa AAAA ns2.example > dig.out.test$n 2>&1 || ret=1
+  grep "ns2.example.*fd92:7065:b8e:ffff::2" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig default for +[no]expandaaa (+noexpandaaaa) works ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 AAAA ns2.example > dig.out.test$n 2>&1 || ret=1
+  grep "ns2.example.*fd92:7065:b8e:ffff::2" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+
+  echo_i "check that dig +short +expandaaaa works ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 +short +expandaaaa AAAA ns2.example > dig.out.test$n 2>&1 || ret=1
+  pat='^fd92:7065:0b8e:ffff:0000:0000:0000:0002$'
+  grep "$pat" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  if [ $HAS_PYYAML -ne 0 ] ; then
+    n=$((n+1))
+    echo_i "check dig +yaml output ($n)"
+    ret=0
+    dig_with_opts +qr +yaml @10.53.0.3 any ns2.example > dig.out.test$n 2>&1 || ret=1
+    $PYTHON yamlget.py dig.out.test$n 0 message query_message_data status > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "NOERROR" ] || ret=1
+    $PYTHON yamlget.py dig.out.test$n 1 message response_message_data status > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "NOERROR" ] || ret=1
+    $PYTHON yamlget.py dig.out.test$n 1 message response_message_data QUESTION_SECTION 0 > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "ns2.example. IN ANY" ] || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "check dig +yaml output of an IPv6 address ending in zeroes ($n)"
+    ret=0
+    dig_with_opts +qr +yaml @10.53.0.3 aaaa d.example > dig.out.test$n 2>&1 || ret=1
+    $PYTHON yamlget.py dig.out.test$n 1 message response_message_data ANSWER_SECTION 0 > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "d.example. 300 IN AAAA fd92:7065:b8e:ffff::0" ] || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+  fi
+
+  n=$((n+1))
+  echo_i "check that dig +bufsize=0 just sets the buffer size to 0 ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 a.example +bufsize=0 +qr > dig.out.test$n 2>&1 || ret=1
+  grep "EDNS:" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig +bufsize restores default bufsize ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 a.example +bufsize=0 +bufsize +qr > dig.out.test$n 2>&1 || ret=1
+  lines=$(grep "EDNS:.* udp:" dig.out.test$n | wc -l)
+  lines1232=$(grep "EDNS:.* udp: 1232" dig.out.test$n | wc -l)
+  test $lines -eq 2 || ret=1
+  test $lines1232 -eq 2 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig without -u displays 'Query time' in millseconds ($n)"
+  ret=0
+  dig_with_opts @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  grep ';; Query time: [0-9][0-9]* msec' dig.out.test$n >/dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig -u displays 'Query time' in microseconds ($n)"
+  ret=0
+  dig_with_opts -u @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  grep ';; Query time: [0-9][0-9]* usec' dig.out.test$n >/dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig +yaml without -u displays timestamps in milliseconds ($n)"
+  ret=0
+  dig_with_opts +yaml @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  grep 'query_time: !!timestamp ....-..-..T..:..:..\....Z' dig.out.test$n >/dev/null || ret=1
+  grep 'response_time: !!timestamp ....-..-..T..:..:..\....Z' dig.out.test$n >/dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig -u +yaml displays timestamps in microseconds ($n)"
+  ret=0
+  dig_with_opts -u +yaml @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  grep 'query_time: !!timestamp ....-..-..T..:..:..\.......Z' dig.out.test$n >/dev/null || ret=1
+  grep 'response_time: !!timestamp ....-..-..T..:..:..\.......Z' dig.out.test$n >/dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  # See [GL #3020] for more information
+  n=$((n+1))
+  echo_i "check that dig handles UDP timeout followed by a SERVFAIL correctly ($n)"
+  # Ask ans8 to be in "unstable" mode (switching between "silent" and "servfail" modes)
+  echo "unstable" | sendcmd 10.53.0.8
+  ret=0
+  dig_with_opts +timeout=1 +nofail @10.53.0.8 a.example > dig.out.test$n 2>&1 || ret=1
+  grep -F "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig handles TCP timeout followed by a SERVFAIL correctly ($n)"
+  # Ask ans8 to be in "unstable" mode (switching between "silent" and "servfail" modes)
+  echo "unstable" | sendcmd 10.53.0.8
+  ret=0
+  dig_with_opts +timeout=1 +nofail +tcp @10.53.0.8 a.example > dig.out.test$n 2>&1 || ret=1
+  grep -F "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig tries the next server after a UDP socket network unreachable error ($n)"
+  ret=0
+  dig_with_opts @192.0.2.128 @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  test $(grep -F -e "connection refused" -e "timed out" -e "network unreachable" -e "host unreachable" dig.out.test$n | wc -l) -eq 3 || ret=1
+  grep -F "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig tries the next server after a TCP socket network unreachable error ($n)"
+  ret=0
+  dig_with_opts +tcp @192.0.2.128 @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  test $(grep -F -e "connection refused" -e "timed out" -e "network unreachable" -e "host unreachable" dig.out.test$n | wc -l) -eq 3 || ret=1
+  grep -F "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig tries the next server after a UDP socket read error ($n)"
+  ret=0
+  dig_with_opts @10.53.0.99 @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  grep -F "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig tries the next server after a TCP socket read error ($n)"
+  # Ask ans8 to be in "close" mode, which closes the connection after accepting it
+  echo "close" | sendcmd 10.53.0.8
+  ret=0
+  dig_with_opts +tcp @10.53.0.8 @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  grep -F "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  # Note that we combine TCP socket "connection error" and "timeout" cases in
+  # one, because it is not trivial to simulate the timeout case in a system test
+  # in Linux without a firewall, but the code which handles error cases during
+  # the connection establishment time does not differentiate between timeout and
+  # other types of errors (unlike during reading), so this one check should be
+  # sufficient for both cases.
+  n=$((n+1))
+  echo_i "check that dig tries the next server after a TCP socket connection error/timeout ($n)"
+  ret=0
+  dig_with_opts +tcp @10.53.0.99 @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  test $(grep -F -e "connection refused" -e "timed out" -e "network unreachable" dig.out.test$n | wc -l) -eq 3 || ret=1
+  grep -F "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig tries the next server after UDP socket read timeouts ($n)"
+  # Ask ans8 to be in "silent" mode
+  echo "silent" | sendcmd 10.53.0.8
+  ret=0
+  dig_with_opts +timeout=1 @10.53.0.8 @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  grep -F "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that dig tries the next server after TCP socket read timeouts ($n)"
+  # Ask ans8 to be in "silent" mode
+  echo "silent" | sendcmd 10.53.0.8
+  ret=0
+  dig_with_opts +timeout=1 +tcp @10.53.0.8 @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  grep -F "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  # See [GL #3248] for more information
+  n=$((n+1))
+  echo_i "check that dig correctly refuses to use a server with a IPv4 mapped IPv6 address after failing with a regular IP address ($n)"
+  ret=0
+  dig_with_opts @10.53.0.8 @::ffff:10.53.0.8 a.example > dig.out.test$n 2>&1 || ret=1
+  grep -F ";; Skipping mapped address" dig.out.test$n > /dev/null || ret=1
+  grep -F ";; No acceptable nameservers" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  # See [GL #3244] for more information
+  n=$((n+1))
+  echo_i "check that dig handles printing query information with +qr and +y when multiple queries are involved (including a failed query) ($n)"
+  ret=0
+  dig_with_opts +timeout=1 +qr +y @127.0.0.1 @10.53.0.3 a.example > dig.out.test$n 2>&1 || ret=1
+  grep -F "IN A 10.0.0.1" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+else
+  echo_i "$DIG is needed, so skipping these dig tests"
+fi
+
+if [ -x "$MDIG" ] ; then
+  n=$((n+1))
+  echo_i "check that mdig handles malformed option '+ednsopt=:' gracefully ($n)"
+  ret=0
+  mdig_with_opts @10.53.0.3 +ednsopt=: a.example > dig.out.test$n 2>&1 && ret=1
+  grep "ednsopt no code point specified" dig.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking mdig +multi +norrcomments works for DNSKEY (when default is rrcomments)($n)"
+  ret=0
+  mdig_with_opts +tcp @10.53.0.3 +multi +norrcomments -t DNSKEY example > dig.out.test$n || ret=1
+  grep "; ZSK; alg = $DEFAULT_ALGORITHM ; key id = $KEYID" dig.out.test$n && ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking mdig +multi +norrcomments works for SOA (when default is rrcomments)($n)"
+  ret=0
+  mdig_with_opts +tcp @10.53.0.3 +multi +norrcomments -t SOA example > dig.out.test$n || ret=1
+  grep "; serial" < dig.out.test$n > /dev/null && ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  if [ $HAS_PYYAML -ne 0 ] ; then
+    n=$((n+1))
+    echo_i "check mdig +yaml output ($n)"
+    ret=0
+    mdig_with_opts +yaml @10.53.0.3 -t any ns2.example > dig.out.test$n 2>&1 || ret=1
+    $PYTHON yamlget.py dig.out.test$n 0 message response_message_data status > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "NOERROR" ] || ret=1
+    $PYTHON yamlget.py dig.out.test$n 0 message response_message_data QUESTION_SECTION 0 > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "ns2.example. IN ANY" ] || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+  fi
+else
+  echo_i "$MDIG is needed, so skipping these mdig tests"
+fi
+
+if [ -x "$DELV" ] ; then
+  n=$((n+1))
+  echo_i "checking delv short form works ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 +short a a.example > delv.out.test$n || ret=1
+  test "$(wc -l < delv.out.test$n)" -eq 1 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv split width works ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 +split=4 -t sshfp foo.example > delv.out.test$n || ret=1
+  grep " 9ABC DEF6 7890 " < delv.out.test$n > /dev/null || ret=1
+  check_ttl_range delv.out.test$n "SSHFP" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv +unknownformat works ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 +unknownformat a a.example > delv.out.test$n || ret=1
+  grep "CLASS1[ 	][ 	]*TYPE1[ 	][ 	]*\\\\# 4 0A000001" < delv.out.test$n > /dev/null || ret=1
+  check_ttl_range delv.out.test$n "TYPE1" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv -4 -6 ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 -4 -6 A a.example > delv.out.test$n 2>&1 && ret=1
+  grep "only one of -4 and -6 allowed" < delv.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv with IPv6 on IPv4 does not work ($n)"
+  if testsock6 fd92:7065:b8e:ffff::3 2>/dev/null
+  then
+    ret=0
+    # following should fail because @IPv4 overrides earlier @IPv6 above
+    # and -6 forces IPv6 so this should fail, with a message
+    # "Use of IPv4 disabled by -6"
+    delv_with_opts @fd92:7065:b8e:ffff::3 @10.53.0.3 -6 -t txt foo.example > delv.out.test$n 2>&1 && ret=1
+    # it should have no results but error output
+    grep "testing" < delv.out.test$n > /dev/null && ret=1
+    grep "Use of IPv4 disabled by -6" delv.out.test$n > /dev/null || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+  else
+    echo_i "IPv6 unavailable; skipping"
+  fi
+
+  n=$((n+1))
+  echo_i "checking delv with IPv4 on IPv6 does not work ($n)"
+  if testsock6 fd92:7065:b8e:ffff::3 2>/dev/null
+  then
+    ret=0
+    # following should fail because @IPv6 overrides earlier @IPv4 above
+    # and -4 forces IPv4 so this should fail, with a message
+    # "Use of IPv6 disabled by -4"
+    delv_with_opts @10.53.0.3 @fd92:7065:b8e:ffff::3 -4 -t txt foo.example > delv.out.test$n 2>&1 && ret=1
+    # it should have no results but error output
+    grep "testing" delv.out.test$n > /dev/null && ret=1
+    grep "Use of IPv6 disabled by -4" delv.out.test$n > /dev/null || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+  else
+    echo_i "IPv6 unavailable; skipping"
+  fi
+
+  n=$((n+1))
+  echo_i "checking delv with reverse lookup works ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 -x 127.0.0.1 > delv.out.test$n 2>&1 || ret=1
+  # doesn't matter if has answer
+  grep -i "127\\.in-addr\\.arpa\\." < delv.out.test$n > /dev/null || ret=1
+  check_ttl_range delv.out.test$n '\\-ANY' 10800 3 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv over TCP works ($n)"
+  ret=0
+  delv_with_opts +tcp @10.53.0.3 a a.example > delv.out.test$n || ret=1
+  grep "10\\.0\\.0\\.1$" < delv.out.test$n > /dev/null || ret=1
+  check_ttl_range delv.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv +multi +norrcomments works for DNSKEY (when default is rrcomments)($n)"
+  ret=0
+  delv_with_opts +tcp @10.53.0.3 +multi +norrcomments DNSKEY example > delv.out.test$n || ret=1
+  grep "; ZSK; alg = $DEFAULT_ALGORITHM ; key id = $KEYID" < delv.out.test$n > /dev/null && ret=1
+  check_ttl_range delv.out.test$n "DNSKEY" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv +multi +norrcomments works for SOA (when default is rrcomments)($n)"
+  ret=0
+  delv_with_opts +tcp @10.53.0.3 +multi +norrcomments SOA example > delv.out.test$n || ret=1
+  grep "; ZSK; alg = $DEFAULT_ALGORITHM ; key id = $KEYID" < delv.out.test$n > /dev/null && ret=1
+  check_ttl_range delv.out.test$n "SOA" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv +rrcomments works for DNSKEY($n)"
+  ret=0
+  delv_with_opts +tcp @10.53.0.3 +rrcomments DNSKEY example > delv.out.test$n || ret=1
+  grep "; ZSK; alg = $DEFAULT_ALGORITHM ; key id = $KEYID" < delv.out.test$n > /dev/null || ret=1
+  check_ttl_range delv.out.test$n "DNSKEY" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv +short +rrcomments works for DNSKEY ($n)"
+  ret=0
+  delv_with_opts +tcp @10.53.0.3 +short +rrcomments DNSKEY example > delv.out.test$n || ret=1
+  grep "; ZSK; alg = $DEFAULT_ALGORITHM ; key id = $KEYID" < delv.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv +short +rrcomments works ($n)"
+  ret=0
+  delv_with_opts +tcp @10.53.0.3 +short +rrcomments DNSKEY example > delv.out.test$n || ret=1
+  grep -q "$KEYDATA  ; ZSK; alg = $DEFAULT_ALGORITHM ; key id = $KEYID" < delv.out.test$n || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv +short +nosplit works ($n)"
+  ret=0
+  delv_with_opts +tcp @10.53.0.3 +short +nosplit DNSKEY example > delv.out.test$n || ret=1
+  grep -q "$NOSPLIT" < delv.out.test$n || ret=1
+  test "$(wc -l < delv.out.test$n)" -eq 1 || ret=1
+  test "$(awk '{print NF}' < delv.out.test$n)" -eq 14 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv +short +nosplit +norrcomments works ($n)"
+  ret=0
+  delv_with_opts +tcp @10.53.0.3 +short +nosplit +norrcomments DNSKEY example > delv.out.test$n || ret=1
+  grep -q "$NOSPLIT\$" < delv.out.test$n || ret=1
+  test "$(wc -l < delv.out.test$n)" -eq 1 || ret=1
+  test "$(awk '{print NF}' < delv.out.test$n)" -eq 4 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv +sp works as an abbriviated form of split ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 +sp=4 -t sshfp foo.example > delv.out.test$n || ret=1
+  grep " 9ABC DEF6 7890 " < delv.out.test$n > /dev/null || ret=1
+  check_ttl_range delv.out.test$n "SSHFP" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv +sh works as an abbriviated form of short ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 +sh a a.example > delv.out.test$n || ret=1
+  test "$(wc -l < delv.out.test$n)" -eq 1 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv -c IN works ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 -c IN -t a a.example > delv.out.test$n || ret=1
+  grep "a.example." < delv.out.test$n > /dev/null || ret=1
+  check_ttl_range delv.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv -c CH is ignored, and treated like IN ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 -c CH -t a a.example > delv.out.test$n || ret=1
+  grep "a.example." < delv.out.test$n > /dev/null || ret=1
+  check_ttl_range delv.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "checking delv H is ignored, and treated like IN ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 -c CH -t a a.example > delv.out.test$n || ret=1
+  grep "a.example." < delv.out.test$n > /dev/null || ret=1
+  check_ttl_range delv.out.test$n "A" 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that delv -q -m works ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 -q -m > delv.out.test$n 2>&1 || ret=1
+  grep '^; -m\..*[0-9]*.*IN.*ANY.*;' delv.out.test$n > /dev/null || ret=1
+  grep "^add " delv.out.test$n > /dev/null && ret=1
+  grep "^del " delv.out.test$n > /dev/null && ret=1
+  check_ttl_range delv.out.test$n '\\-ANY' 300 3 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that delv -t ANY works ($n)"
+  ret=0
+  delv_with_opts @10.53.0.3 -t ANY example > delv.out.test$n 2>&1 || ret=1
+  grep "^example." < delv.out.test$n > /dev/null || ret=1
+  check_ttl_range delv.out.test$n NS 300 || ret=1
+  check_ttl_range delv.out.test$n SOA 300 || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that delv loads key-style trust anchors ($n)"
+  ret=0
+  delv_with_opts -a ns3/anchor.dnskey +root=example @10.53.0.3 -t DNSKEY example > delv.out.test$n 2>&1 || ret=1
+  grep "fully validated" delv.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  n=$((n+1))
+  echo_i "check that delv loads DS-style trust anchors ($n)"
+  ret=0
+  delv_with_opts -a ns3/anchor.ds +root=example @10.53.0.3 -t DNSKEY example > delv.out.test$n 2>&1 || ret=1
+  grep "fully validated" delv.out.test$n > /dev/null || ret=1
+  if [ $ret -ne 0 ]; then echo_i "failed"; fi
+  status=$((status+ret))
+
+  if [ $HAS_PYYAML -ne 0 ] ; then
+    n=$((n+1))
+    echo_i "check delv +yaml output ($n)"
+    ret=0
+    delv_with_opts +yaml @10.53.0.3 any ns2.example > delv.out.test$n || ret=1
+    $PYTHON yamlget.py delv.out.test$n status > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "success" ] || ret=1
+    $PYTHON yamlget.py delv.out.test$n query_name > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    [ "$value" = "ns2.example" ] || ret=1
+    $PYTHON yamlget.py delv.out.test$n records 0 answer_not_validated 0 > yamlget.out.test$n 2>&1 || ret=1
+    read -r value < yamlget.out.test$n
+    count=$(echo $value | wc -w )
+    [ ${count:-0} -eq 5 ] || ret=1
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+  fi
+else
+  echo_i "$DELV is needed, so skipping these delv tests"
+fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/digdelv/tests_sh_digdelv.py b/bin/tests/system/digdelv/tests_sh_digdelv.py
new file mode 100644
index 0000000..2973c26
--- /dev/null
+++ b/bin/tests/system/digdelv/tests_sh_digdelv.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_digdelv(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/digdelv/yamlget.py b/bin/tests/system/digdelv/yamlget.py
new file mode 100644
index 0000000..afa582d
--- /dev/null
+++ b/bin/tests/system/digdelv/yamlget.py
@@ -0,0 +1,35 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import sys
+
+try:
+    import yaml
+# pylint: disable=bare-except
+except:
+    print("No python yaml module, skipping")
+    sys.exit(1)
+
+with open(sys.argv[1], "r", encoding="utf-8") as f:
+    for item in yaml.safe_load_all(f):
+        for key in sys.argv[2:]:
+            try:
+                key = int(key)
+            except ValueError:
+                pass
+
+            try:
+                item = item[key]
+            except KeyError:
+                print('Key "' + key + '" not found.')
+                sys.exit(1)
+
+        print(item)
diff --git a/bin/tests/system/dispatch/ans3/ans.py b/bin/tests/system/dispatch/ans3/ans.py
new file mode 100644
index 0000000..4e4ebac
--- /dev/null
+++ b/bin/tests/system/dispatch/ans3/ans.py
@@ -0,0 +1,99 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import os
+import select
+import signal
+import socket
+import sys
+import time
+
+import dns.flags
+import dns.message
+
+
+def port():
+    env_port = os.getenv("PORT")
+    if env_port is None:
+        env_port = 5300
+    else:
+        env_port = int(env_port)
+
+    return env_port
+
+
+def udp_listen(port):
+    udp = socket.socket(type=socket.SOCK_DGRAM)
+    udp.bind(("10.53.0.3", port))
+
+    return udp
+
+
+def tcp_listen(port):
+    tcp = socket.socket(type=socket.SOCK_STREAM)
+    tcp.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    tcp.bind(("10.53.0.3", port))
+    tcp.listen(100)
+
+    return tcp
+
+
+def udp_tc_once(udp):
+    qrybytes, clientaddr = udp.recvfrom(65535)
+    qry = dns.message.from_wire(qrybytes)
+    answ = dns.message.make_response(qry)
+    answ.flags |= dns.flags.TC
+    answbytes = answ.to_wire()
+    udp.sendto(answbytes, clientaddr)
+
+
+def tcp_once(tcp):
+    csock, _clientaddr = tcp.accept()
+    time.sleep(5)
+    csock.close()
+
+
+def sigterm(signum, frame):
+    os.remove("ans.pid")
+    sys.exit(0)
+
+
+def write_pid():
+    with open("ans.pid", "w") as f:
+        pid = os.getpid()
+        f.write("{}".format(pid))
+
+
+signal.signal(signal.SIGTERM, sigterm)
+write_pid()
+
+udp = udp_listen(port())
+tcp = tcp_listen(port())
+
+input = [udp, tcp]
+
+while True:
+    try:
+        inputready, outputready, exceptready = select.select(input, [], [])
+    except select.error:
+        break
+    except socket.error:
+        break
+    except KeyboardInterrupt:
+        break
+
+    for s in inputready:
+        if s == udp:
+            udp_tc_once(udp)
+        if s == tcp:
+            tcp_once(tcp)
+
+sigterm(signal.SIGTERM, 0)
diff --git a/bin/tests/system/dispatch/clean.sh b/bin/tests/system/dispatch/clean.sh
new file mode 100644
index 0000000..608ec5c
--- /dev/null
+++ b/bin/tests/system/dispatch/clean.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns*/named.run ns*/named.conf ns*/named.pid ns*/managed-keys.bind*
+rm -f ans*/ans.run ans*/ans.pid
+rm -f ns*/named.memstats
diff --git a/bin/tests/system/dispatch/ns1/named.conf.in b/bin/tests/system/dispatch/ns1/named.conf.in
new file mode 100644
index 0000000..d3337a5
--- /dev/null
+++ b/bin/tests/system/dispatch/ns1/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+
+	listen-on { 10.53.0.1; };
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+
+	listen-on-v6 { fd92:7065:b8e:ffff::1; };
+	query-source-v6 address fd92:7065:b8e:ffff::1;
+	notify-source-v6 fd92:7065:b8e:ffff::1;
+	transfer-source-v6 fd92:7065:b8e:ffff::1;
+
+	recursion no;
+	servfail-ttl 0;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/dispatch/ns1/root.db b/bin/tests/system/dispatch/ns1/root.db
new file mode 100644
index 0000000..b6b7367
--- /dev/null
+++ b/bin/tests/system/dispatch/ns1/root.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.		300	SOA	. . 0 0 0 0 0
+.		300	NS	ns.nil.
+ns.nil.		300	A	10.53.0.1
+example.	300	NS	ns.example.
+ns.example.	300	A	10.53.0.2
diff --git a/bin/tests/system/dispatch/ns2/example.db b/bin/tests/system/dispatch/ns2/example.db
new file mode 100644
index 0000000..f60a47e
--- /dev/null
+++ b/bin/tests/system/dispatch/ns2/example.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+example.		86400	IN	SOA	ns.example. root.example. 43 10800 900 604800 86400
+example.		86400	IN	NS	ns.example.
+ns.example.				A	10.53.0.2
+
+ns.sub.example.				A	10.53.0.3
+sub.example.				NS	ns.sub.example.
diff --git a/bin/tests/system/dispatch/ns2/named.conf.in b/bin/tests/system/dispatch/ns2/named.conf.in
new file mode 100644
index 0000000..50f2c34
--- /dev/null
+++ b/bin/tests/system/dispatch/ns2/named.conf.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+
+	listen-on { 10.53.0.2; };
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	query-source-v6 address fd92:7065:b8e:ffff::2;
+	notify-source-v6 fd92:7065:b8e:ffff::2;
+	transfer-source-v6 fd92:7065:b8e:ffff::2;
+
+	recursion yes;
+	servfail-ttl 0;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/dispatch/setup.sh b/bin/tests/system/dispatch/setup.sh
new file mode 100644
index 0000000..6929ec5
--- /dev/null
+++ b/bin/tests/system/dispatch/setup.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
diff --git a/bin/tests/system/dispatch/tests_connreset.py b/bin/tests/system/dispatch/tests_connreset.py
new file mode 100644
index 0000000..f74bfd7
--- /dev/null
+++ b/bin/tests/system/dispatch/tests_connreset.py
@@ -0,0 +1,27 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import pytest
+
+pytest.importorskip("dns")
+import dns.message
+import dns.query
+import dns.rcode
+
+
+def test_connreset(named_port):
+    msg = dns.message.make_query(
+        "sub.example.", "A", want_dnssec=True, use_edns=0, payload=1232
+    )
+    ans = dns.query.udp(msg, "10.53.0.2", timeout=10, port=named_port)
+    assert ans.rcode() == dns.rcode.SERVFAIL
diff --git a/bin/tests/system/ditch.pl b/bin/tests/system/ditch.pl
new file mode 100644
index 0000000..e208250
--- /dev/null
+++ b/bin/tests/system/ditch.pl
@@ -0,0 +1,87 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# This is a tool for sending queries via UDP to specified address and
+# port, then exiting without waiting for a response.
+#
+# Usage: ditch.pl [-s <address>] [-p <port>] [filename]
+#
+# Input (in filename, if specified, otherwise stdin) is a series of one
+# or more DNS names and types to send as queries, e.g.:
+#
+# www.example.com A
+# www.example.org MX
+#
+# If not specified, address defaults to 127.0.0.1, port to 53.
+
+require 5.006.001;
+
+use strict;
+use Getopt::Std;
+use Net::DNS;
+use Net::DNS::Packet;
+use IO::File;
+use IO::Socket;
+
+sub usage {
+    print ("Usage: ditch.pl [-s address] [-p port] [file]\n");
+    exit 1;
+}
+
+my %options={};
+getopts("s:p:t:", \%options);
+
+my $addr = "127.0.0.1";
+$addr = $options{s} if defined $options{s};
+
+my $port = 53;
+$port = $options{p} if defined $options{p};
+
+my $file = "STDIN";
+if (@ARGV >= 1) {
+    my $filename = shift @ARGV;
+    open FH, "<$filename" or die "$filename: $!";
+    $file = "FH";
+}
+
+my $input = "";
+while (defined(my $line = <$file>) ) {
+    chomp $line;
+    next if ($line =~ m/^ *#/);
+    my @tokens = split (' ', $line);
+
+    my $packet;
+    if ($Net::DNS::VERSION > 0.68) {
+            $packet = new Net::DNS::Packet();
+            $@ and die $@;
+    } else {
+            my $err;
+            ($packet, $err) = new Net::DNS::Packet();
+            $err and die $err;
+    }
+
+    my $q = new Net::DNS::Question($tokens[0], $tokens[1], "IN");
+    $packet->header->rd(1);
+    $packet->push(question => $q);
+
+    my $sock = IO::Socket::INET->new(PeerAddr => $addr, PeerPort => $port,
+                                     Proto => "udp",) or die "$!";
+
+    my $bytes = $sock->send($packet->data);
+    #print ("sent $bytes bytes to $addr:$port:\n");
+    #print ("  ", unpack("H* ", $packet->data), "\n");
+
+    $sock->close;
+}
+
+close $file;
diff --git a/bin/tests/system/dlzexternal/clean.sh b/bin/tests/system/dlzexternal/clean.sh
new file mode 100644
index 0000000..2bbf75b
--- /dev/null
+++ b/bin/tests/system/dlzexternal/clean.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after dlzexternal tests.
+#
+
+rm -f ns1/update.txt
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run
+rm -f ns1/ddns.key
+rm -f dig.out*
+rm -f ns*/named.lock
+rm -f ns1/session.key
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/dlzexternal/driver/Makefile.am b/bin/tests/system/dlzexternal/driver/Makefile.am
new file mode 100644
index 0000000..0028edb
--- /dev/null
+++ b/bin/tests/system/dlzexternal/driver/Makefile.am
@@ -0,0 +1,13 @@
+include $(top_srcdir)/Makefile.top
+
+AM_CPPFLAGS +=			\
+	$(LIBISC_CFLAGS)	\
+	$(LIBDNS_CFLAGS)
+
+noinst_LTLIBRARIES = dlzexternal.la
+
+dlzexternal_la_SOURCES =	\
+	driver.c		\
+	driver.h
+
+dlzexternal_la_LDFLAGS = -avoid-version -module -shared -export-dynamic -rpath $(abs_builddir)
diff --git a/bin/tests/system/dlzexternal/driver/Makefile.in b/bin/tests/system/dlzexternal/driver/Makefile.in
new file mode 100644
index 0000000..8a26cb9
--- /dev/null
+++ b/bin/tests/system/dlzexternal/driver/Makefile.in
@@ -0,0 +1,778 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+# Hey Emacs, this is -*- makefile-automake -*- file!
+# vim: filetype=automake
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
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+	$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
+	$(AM_CFLAGS) $(CFLAGS) $(dlzexternal_la_LDFLAGS) $(LDFLAGS) -o \
+	$@
+AM_V_P = $(am__v_P_@AM_V@)
+am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
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+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/driver.Plo
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_@AM_V@)
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+am__v_CC_1 = 
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_@AM_V@)
+am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
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+am__can_run_installinfo = \
+  case $$AM_UPDATE_INFO_DIR in \
+    n|no|NO) false;; \
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+AM_CFLAGS = \
+	$(STD_CFLAGS)
+
+AM_CPPFLAGS = $(STD_CPPFLAGS) -include $(top_builddir)/config.h \
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+LDADD = 
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+	-I$(top_srcdir)/lib/isc/include			\
+	-I$(top_builddir)/lib/isc/include
+
+LIBISC_LIBS = $(top_builddir)/lib/isc/libisc.la
+LIBDNS_CFLAGS = \
+	-I$(top_srcdir)/lib/dns/include			\
+	-I$(top_builddir)/lib/dns/include
+
+LIBDNS_LIBS = \
+	$(top_builddir)/lib/dns/libdns.la
+
+LIBNS_CFLAGS = \
+	-I$(top_srcdir)/lib/ns/include
+
+LIBNS_LIBS = \
+	$(top_builddir)/lib/ns/libns.la
+
+LIBIRS_CFLAGS = \
+	-I$(top_srcdir)/lib/irs/include
+
+LIBIRS_LIBS = \
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+
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+
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+
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+
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+
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+	@for dep in $?; do \
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+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+clean-noinstLTLIBRARIES:
+	-test -z "$(noinst_LTLIBRARIES)" || rm -f $(noinst_LTLIBRARIES)
+	@list='$(noinst_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+
+dlzexternal.la: $(dlzexternal_la_OBJECTS) $(dlzexternal_la_DEPENDENCIES) $(EXTRA_dlzexternal_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(dlzexternal_la_LINK)  $(dlzexternal_la_OBJECTS) $(dlzexternal_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
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+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/driver.Plo@am__quote@ # am--include-marker
+
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+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
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+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
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+
+CTAGS: ctags
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+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
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+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
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+	esac; \
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+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
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+	esac; \
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+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	mostlyclean-am
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+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/driver.Plo
+	-rm -f Makefile
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+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/bin/tests/system/dlzexternal/driver/driver.c b/bin/tests/system/dlzexternal/driver/driver.c
new file mode 100644
index 0000000..20edfd0
--- /dev/null
+++ b/bin/tests/system/dlzexternal/driver/driver.c
@@ -0,0 +1,862 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * This provides a very simple example of an external loadable DLZ
+ * driver, with update support.
+ */
+
+#include "driver.h"
+#include <inttypes.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <isc/log.h>
+#include <isc/result.h>
+#include <isc/string.h>
+#include <isc/types.h>
+#include <isc/util.h>
+
+#include <dns/dlz_dlopen.h>
+#include <dns/types.h>
+
+/* aliases for exported symbols */
+
+dlz_dlopen_version_t dlz_version;
+dlz_dlopen_create_t dlz_create;
+dlz_dlopen_destroy_t dlz_destroy;
+dlz_dlopen_findzonedb_t dlz_findzonedb;
+dlz_dlopen_lookup_t dlz_lookup;
+dlz_dlopen_allowzonexfr_t dlz_allowzonexfr;
+dlz_dlopen_allnodes_t dlz_allnodes;
+dlz_dlopen_newversion_t dlz_newversion;
+dlz_dlopen_closeversion_t dlz_closeversion;
+dlz_dlopen_configure_t dlz_configure;
+dlz_dlopen_ssumatch_t dlz_ssumatch;
+dlz_dlopen_addrdataset_t dlz_addrdataset;
+dlz_dlopen_subrdataset_t dlz_subrdataset;
+dlz_dlopen_delrdataset_t dlz_delrdataset;
+
+#define CHECK(x)                             \
+	do {                                 \
+		result = (x);                \
+		if (result != ISC_R_SUCCESS) \
+			goto failure;        \
+	} while (0)
+
+#define loginfo(...)                                           \
+	({                                                     \
+		if ((state != NULL) && (state->log != NULL))   \
+			state->log(ISC_LOG_INFO, __VA_ARGS__); \
+	})
+#define logerr(...)                                             \
+	({                                                      \
+		if ((state != NULL) && (state->log != NULL))    \
+			state->log(ISC_LOG_ERROR, __VA_ARGS__); \
+	})
+
+/* For this simple example, use fixed sized strings */
+struct record {
+	char name[100];
+	char type[10];
+	char data[200];
+	dns_ttl_t ttl;
+};
+
+#define MAX_RECORDS 100
+
+typedef void
+log_t(int level, const char *fmt, ...);
+
+struct dlz_example_data {
+	char *zone_name;
+
+	/* An example driver doesn't need good memory management :-) */
+	struct record current[MAX_RECORDS];
+	struct record adds[MAX_RECORDS];
+	struct record deletes[MAX_RECORDS];
+
+	bool transaction_started;
+
+	/* Helper functions from the dlz_dlopen driver */
+	log_t *log;
+	dns_sdlz_putrr_t *putrr;
+	dns_sdlz_putnamedrr_t *putnamedrr;
+	dns_dlz_writeablezone_t *writeable_zone;
+};
+
+static bool
+single_valued(const char *type) {
+	const char *single[] = { "soa", "cname", NULL };
+	int i;
+
+	for (i = 0; single[i]; i++) {
+		if (strcasecmp(single[i], type) == 0) {
+			return (true);
+		}
+	}
+	return (false);
+}
+
+/*
+ * Add a record to a list
+ */
+static isc_result_t
+add_name(struct dlz_example_data *state, struct record *list, const char *name,
+	 const char *type, dns_ttl_t ttl, const char *data) {
+	int i;
+	bool single = single_valued(type);
+	int first_empty = -1;
+
+	for (i = 0; i < MAX_RECORDS; i++) {
+		INSIST(list[i].name != NULL);
+		if (first_empty == -1 && strlen(list[i].name) == 0U) {
+			first_empty = i;
+		}
+		if (strcasecmp(list[i].name, name) != 0) {
+			continue;
+		}
+		if (strcasecmp(list[i].type, type) != 0) {
+			continue;
+		}
+		if (!single && strcasecmp(list[i].data, data) != 0) {
+			continue;
+		}
+		break;
+	}
+	if (i == MAX_RECORDS && first_empty != -1) {
+		i = first_empty;
+	}
+	if (i == MAX_RECORDS) {
+		logerr("dlz_example: out of record space");
+		return (ISC_R_FAILURE);
+	}
+
+	if (strlen(name) >= sizeof(list[i].name) ||
+	    strlen(type) >= sizeof(list[i].type) ||
+	    strlen(data) >= sizeof(list[i].data))
+	{
+		return (ISC_R_NOSPACE);
+	}
+
+	strncpy(list[i].name, name, sizeof(list[i].name) - 1);
+	list[i].name[sizeof(list[i].name) - 1] = '\0';
+
+	strncpy(list[i].type, type, sizeof(list[i].type) - 1);
+	list[i].type[sizeof(list[i].type) - 1] = '\0';
+
+	strncpy(list[i].data, data, sizeof(list[i].data) - 1);
+	list[i].data[sizeof(list[i].data) - 1] = '\0';
+
+	list[i].ttl = ttl;
+
+	return (ISC_R_SUCCESS);
+}
+
+/*
+ * Delete a record from a list
+ */
+static isc_result_t
+del_name(struct dlz_example_data *state, struct record *list, const char *name,
+	 const char *type, dns_ttl_t ttl, const char *data) {
+	int i;
+
+	UNUSED(state);
+
+	for (i = 0; i < MAX_RECORDS; i++) {
+		if (strcasecmp(name, list[i].name) == 0 &&
+		    strcasecmp(type, list[i].type) == 0 &&
+		    strcasecmp(data, list[i].data) == 0 && ttl == list[i].ttl)
+		{
+			break;
+		}
+	}
+	if (i == MAX_RECORDS) {
+		return (ISC_R_NOTFOUND);
+	}
+	memset(&list[i], 0, sizeof(struct record));
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+fmt_address(isc_sockaddr_t *addr, char *buffer, size_t size) {
+	char addr_buf[INET6_ADDRSTRLEN];
+	const char *ret;
+	uint16_t port = 0;
+
+	switch (addr->type.sa.sa_family) {
+	case AF_INET:
+		port = ntohs(addr->type.sin.sin_port);
+		ret = inet_ntop(AF_INET, &addr->type.sin.sin_addr, addr_buf,
+				sizeof(addr_buf));
+		break;
+	case AF_INET6:
+		port = ntohs(addr->type.sin6.sin6_port);
+		ret = inet_ntop(AF_INET6, &addr->type.sin6.sin6_addr, addr_buf,
+				sizeof(addr_buf));
+		break;
+	default:
+		return (ISC_R_FAILURE);
+	}
+
+	if (ret == NULL) {
+		return (ISC_R_FAILURE);
+	}
+
+	snprintf(buffer, size, "%s#%u", addr_buf, port);
+	return (ISC_R_SUCCESS);
+}
+
+/*
+ * Return the version of the API
+ */
+int
+dlz_version(unsigned int *flags) {
+	UNUSED(flags);
+	return (DLZ_DLOPEN_VERSION);
+}
+
+/*
+ * Remember a helper function from the bind9 dlz_dlopen driver
+ */
+static void
+b9_add_helper(struct dlz_example_data *state, const char *helper_name,
+	      void *ptr) {
+	if (strcmp(helper_name, "log") == 0) {
+		state->log = (log_t *)ptr;
+	}
+	if (strcmp(helper_name, "putrr") == 0) {
+		state->putrr = (dns_sdlz_putrr_t *)ptr;
+	}
+	if (strcmp(helper_name, "putnamedrr") == 0) {
+		state->putnamedrr = (dns_sdlz_putnamedrr_t *)ptr;
+	}
+	if (strcmp(helper_name, "writeable_zone") == 0) {
+		state->writeable_zone = (dns_dlz_writeablezone_t *)ptr;
+	}
+}
+
+/*
+ * Called to initialize the driver
+ */
+isc_result_t
+dlz_create(const char *dlzname, unsigned int argc, char *argv[], void **dbdata,
+	   ...) {
+	struct dlz_example_data *state;
+	const char *helper_name;
+	va_list ap;
+	char soa_data[sizeof("@ hostmaster.root 123 900 600 86400 3600")];
+	isc_result_t result;
+	size_t n;
+
+	UNUSED(dlzname);
+
+	state = calloc(1, sizeof(struct dlz_example_data));
+	if (state == NULL) {
+		return (ISC_R_NOMEMORY);
+	}
+
+	/* Fill in the helper functions */
+	va_start(ap, dbdata);
+	while ((helper_name = va_arg(ap, const char *)) != NULL) {
+		b9_add_helper(state, helper_name, va_arg(ap, void *));
+	}
+	va_end(ap);
+
+	if (argc < 2 || argv[1][0] == '\0') {
+		logerr("dlz_example: please specify a zone name");
+		dlz_destroy(state);
+		return (ISC_R_FAILURE);
+	}
+
+	/* Ensure zone name is absolute */
+	state->zone_name = malloc(strlen(argv[1]) + 2);
+	if (state->zone_name == NULL) {
+		free(state);
+		return (ISC_R_NOMEMORY);
+	}
+	if (argv[1][strlen(argv[1]) - 1] == '.') {
+		strcpy(state->zone_name, argv[1]);
+	} else {
+		sprintf(state->zone_name, "%s.", argv[1]);
+	}
+
+	/*
+	 * Use relative names to trigger ISC_R_NOSPACE in dns_sdlz_putrr.
+	 */
+	if (strcmp(state->zone_name, ".") == 0) {
+		n = strlcpy(soa_data,
+			    "@ hostmaster.root 123 900 600 86400 3600",
+			    sizeof(soa_data));
+	} else {
+		n = strlcpy(soa_data, "@ hostmaster 123 900 600 86400 3600",
+			    sizeof(soa_data));
+	}
+
+	if (n >= sizeof(soa_data)) {
+		CHECK(ISC_R_NOSPACE);
+	}
+
+	add_name(state, &state->current[0], state->zone_name, "soa", 3600,
+		 soa_data);
+	add_name(state, &state->current[0], state->zone_name, "ns", 3600,
+		 state->zone_name);
+	add_name(state, &state->current[0], state->zone_name, "a", 1800,
+		 "10.53.0.1");
+
+	loginfo("dlz_example: started for zone %s", state->zone_name);
+
+	*dbdata = state;
+	return (ISC_R_SUCCESS);
+
+failure:
+	free(state);
+	return (result);
+}
+
+/*
+ * Shut down the backend
+ */
+void
+dlz_destroy(void *dbdata) {
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+
+	loginfo("dlz_example: shutting down zone %s", state->zone_name);
+	free(state->zone_name);
+	free(state);
+}
+
+/*
+ * See if we handle a given zone
+ */
+isc_result_t
+dlz_findzonedb(void *dbdata, const char *name, dns_clientinfomethods_t *methods,
+	       dns_clientinfo_t *clientinfo) {
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+	isc_sockaddr_t *src;
+	char addrbuf[100];
+	char absolute[1024];
+
+	strcpy(addrbuf, "unknown");
+	if (methods != NULL && methods->sourceip != NULL &&
+	    methods->version - methods->age <= DNS_CLIENTINFOMETHODS_VERSION &&
+	    DNS_CLIENTINFOMETHODS_VERSION <= methods->version)
+	{
+		methods->sourceip(clientinfo, &src);
+		fmt_address(src, addrbuf, sizeof(addrbuf));
+	}
+
+	loginfo("dlz_example: dlz_findzonedb called with name '%s' "
+		"in zone DB '%s' from %s",
+		name, state->zone_name, addrbuf);
+
+	/*
+	 * Returning ISC_R_NOTFOUND will cause the query logic to
+	 * check the database for parent names, looking for zone cuts.
+	 *
+	 * Returning ISC_R_NOMORE prevents the query logic from doing
+	 * this; it will move onto the next database after a single query.
+	 */
+	if (strcasecmp(name, "test.example.com") == 0) {
+		return (ISC_R_NOMORE);
+	}
+
+	/*
+	 * For example.net, only return ISC_R_NOMORE when queried
+	 * from 10.53.0.1.
+	 */
+	if (strcasecmp(name, "test.example.net") == 0 &&
+	    strncmp(addrbuf, "10.53.0.1", 9) == 0)
+	{
+		return (ISC_R_NOMORE);
+	}
+
+	/*
+	 * For bigcname.domain, return success so it appears to be
+	 * the zone origin; this regression tests a bug in which
+	 * zone origin nodes could fail to return SERVFAIL to the client.
+	 */
+	if (strcasecmp(name, "bigcname.domain") == 0) {
+		return (ISC_R_SUCCESS);
+	}
+
+	/*
+	 * Return success if we have an exact match between the
+	 * zone name and the qname
+	 */
+	if (strcasecmp(state->zone_name, name) == 0) {
+		return (ISC_R_SUCCESS);
+	}
+
+	snprintf(absolute, sizeof(absolute), "%s.", name);
+	if (strcasecmp(state->zone_name, absolute) == 0) {
+		return (ISC_R_SUCCESS);
+	}
+
+	return (ISC_R_NOTFOUND);
+}
+
+/*
+ * Look up one record in the sample database.
+ *
+ * If the queryname is "source-addr", send back a TXT record containing
+ * the address of the client, to test the use of 'methods' and 'clientinfo'
+ *
+ * If the queryname is "too-long", send back a TXT record that's too long
+ * to process; this should result in a SERVFAIL when queried.
+ */
+isc_result_t
+dlz_lookup(const char *zone, const char *name, void *dbdata,
+	   dns_sdlzlookup_t *lookup, dns_clientinfomethods_t *methods,
+	   dns_clientinfo_t *clientinfo) {
+	isc_result_t result;
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+	bool found = false;
+	void *dbversion = NULL;
+	isc_sockaddr_t *src;
+	char full_name[256];
+	char buf[512];
+	static char last[256];
+	static int count = 0;
+	int i, size;
+
+	UNUSED(zone);
+
+	if (state->putrr == NULL) {
+		return (ISC_R_NOTIMPLEMENTED);
+	}
+
+	if (strcmp(name, "@") == 0) {
+		size = snprintf(full_name, sizeof(full_name), "%s",
+				state->zone_name);
+	} else if (strcmp(state->zone_name, ".") == 0) {
+		size = snprintf(full_name, sizeof(full_name), "%s.", name);
+	} else {
+		size = snprintf(full_name, sizeof(full_name), "%s.%s", name,
+				state->zone_name);
+	}
+
+	if (size < 0 || (size_t)size >= sizeof(full_name) ||
+	    (size_t)size >= sizeof(last))
+	{
+		return (ISC_R_NOSPACE);
+	}
+
+	/*
+	 * For test purposes, log all calls to dlz_lookup()
+	 */
+	if (strcasecmp(full_name, last) == 0) {
+		count++;
+	} else {
+		count = 1;
+		memcpy(last, full_name, size + 1);
+	}
+	loginfo("lookup #%d for %s", count, full_name);
+
+	/*
+	 * If we need to know the database version (as set in
+	 * the 'newversion' dlz function) we can pick it up from the
+	 * clientinfo.
+	 *
+	 * This allows a lookup to query the correct version of the DNS
+	 * data, if the DLZ can differentiate between versions.
+	 *
+	 * For example, if a new database transaction is created by
+	 * 'newversion', the lookup should query within the same
+	 * transaction scope if it can.
+	 *
+	 * If the DLZ only operates on 'live' data, then version
+	 * wouldn't necessarily be needed.
+	 */
+	if (clientinfo != NULL && clientinfo->version >= 2) {
+		dbversion = clientinfo->dbversion;
+		if (dbversion != NULL && *(bool *)dbversion) {
+			loginfo("dlz_example: lookup against live transaction");
+		}
+	}
+
+	if (strcmp(name, "source-addr") == 0) {
+		char ecsbuf[DNS_ECS_FORMATSIZE] = "not supported";
+		strncpy(buf, "unknown", sizeof(buf));
+		if (methods != NULL && methods->sourceip != NULL &&
+		    (methods->version - methods->age <=
+		     DNS_CLIENTINFOMETHODS_VERSION) &&
+		    DNS_CLIENTINFOMETHODS_VERSION <= methods->version)
+		{
+			methods->sourceip(clientinfo, &src);
+			fmt_address(src, buf, sizeof(buf));
+		}
+		if (clientinfo != NULL && clientinfo->version >= 3) {
+			if (clientinfo->ecs.addr.family != AF_UNSPEC) {
+				dns_ecs_format(&clientinfo->ecs, ecsbuf,
+					       sizeof(ecsbuf));
+			} else {
+				snprintf(ecsbuf, sizeof(ecsbuf), "%s",
+					 "not present");
+			}
+		}
+		i = strlen(buf);
+		snprintf(buf + i, sizeof(buf) - i - 1, " ECS %s", ecsbuf);
+
+		loginfo("dlz_example: lookup connection from %s", buf);
+
+		found = true;
+		result = state->putrr(lookup, "TXT", 0, buf);
+		if (result != ISC_R_SUCCESS) {
+			return (result);
+		}
+	}
+
+	if (strcmp(name, "too-long") == 0 ||
+	    strcmp(zone, "bigcname.domain") == 0)
+	{
+		for (i = 0; i < 511; i++) {
+			buf[i] = 'x';
+		}
+		buf[i] = '\0';
+		found = true;
+		result = state->putrr(lookup, "TXT", 0, buf);
+		if (result != ISC_R_SUCCESS) {
+			return (result);
+		}
+	}
+
+	/* Tests for DLZ redirection zones */
+	if (strcmp(name, "*") == 0 && strcmp(zone, ".") == 0) {
+		result = state->putrr(lookup, "A", 0, "100.100.100.2");
+		found = true;
+		if (result != ISC_R_SUCCESS) {
+			return (result);
+		}
+	}
+
+	if (strcmp(name, "long.name.is.not.there") == 0 &&
+	    strcmp(zone, ".") == 0)
+	{
+		result = state->putrr(lookup, "A", 0, "100.100.100.3");
+		found = true;
+		if (result != ISC_R_SUCCESS) {
+			return (result);
+		}
+	}
+
+	/* Answer from current records */
+	for (i = 0; i < MAX_RECORDS; i++) {
+		if (strcasecmp(state->current[i].name, full_name) == 0) {
+			found = true;
+			result = state->putrr(lookup, state->current[i].type,
+					      state->current[i].ttl,
+					      state->current[i].data);
+			if (result != ISC_R_SUCCESS) {
+				return (result);
+			}
+		}
+	}
+
+	if (!found) {
+		return (ISC_R_NOTFOUND);
+	}
+
+	return (ISC_R_SUCCESS);
+}
+
+/*
+ * See if a zone transfer is allowed
+ */
+isc_result_t
+dlz_allowzonexfr(void *dbdata, const char *name, const char *client) {
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+	isc_result_t result;
+
+	loginfo("dlz_example: dlz_allowzonexfr called for %s", name);
+
+	result = dlz_findzonedb(dbdata, name, NULL, NULL);
+	if (result != ISC_R_SUCCESS) {
+		loginfo("dlz_example: findzonedb returned %s",
+			isc_result_totext(result));
+		return (result);
+	}
+
+	/*
+	 * Exception for "example.org" so we can test the use of
+	 * the view ACL.
+	 */
+	if (strcmp(name, "example.org") == 0) {
+		loginfo("dlz_example: use view ACL for example.org");
+		return (ISC_R_DEFAULT);
+	}
+
+	/*
+	 * Exception for 10.53.0.5 so we can test that allow-transfer
+	 * is effective.
+	 */
+	if (strcmp(client, "10.53.0.5") == 0) {
+		loginfo("dlz_example: disallow transfer to 10.53.0.5");
+		return (ISC_R_NOPERM);
+	}
+
+	loginfo("dlz_example: transfer allowed for %s", name);
+
+	return (ISC_R_SUCCESS);
+}
+
+/*
+ * Perform a zone transfer
+ */
+isc_result_t
+dlz_allnodes(const char *zone, void *dbdata, dns_sdlzallnodes_t *allnodes) {
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+	int i;
+
+	UNUSED(zone);
+
+	if (state->putnamedrr == NULL) {
+		return (ISC_R_NOTIMPLEMENTED);
+	}
+
+	for (i = 0; i < MAX_RECORDS; i++) {
+		isc_result_t result;
+		if (strlen(state->current[i].name) == 0U) {
+			continue;
+		}
+		result = state->putnamedrr(allnodes, state->current[i].name,
+					   state->current[i].type,
+					   state->current[i].ttl,
+					   state->current[i].data);
+		if (result != ISC_R_SUCCESS) {
+			return (result);
+		}
+	}
+
+	return (ISC_R_SUCCESS);
+}
+
+/*
+ * Start a transaction
+ */
+isc_result_t
+dlz_newversion(const char *zone, void *dbdata, void **versionp) {
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+
+	if (state->transaction_started) {
+		loginfo("dlz_example: transaction already started for zone %s",
+			zone);
+		return (ISC_R_FAILURE);
+	}
+
+	state->transaction_started = true;
+	*versionp = (void *)&state->transaction_started;
+
+	return (ISC_R_SUCCESS);
+}
+
+/*
+ * End a transaction
+ */
+void
+dlz_closeversion(const char *zone, bool commit, void *dbdata, void **versionp) {
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+
+	if (!state->transaction_started) {
+		loginfo("dlz_example: transaction not started for zone %s",
+			zone);
+		*versionp = NULL;
+		return;
+	}
+
+	state->transaction_started = false;
+
+	*versionp = NULL;
+
+	if (commit) {
+		int i;
+		loginfo("dlz_example: committing transaction on zone %s", zone);
+		for (i = 0; i < MAX_RECORDS; i++) {
+			if (strlen(state->deletes[i].name) > 0U) {
+				(void)del_name(state, &state->current[0],
+					       state->deletes[i].name,
+					       state->deletes[i].type,
+					       state->deletes[i].ttl,
+					       state->deletes[i].data);
+			}
+		}
+		for (i = 0; i < MAX_RECORDS; i++) {
+			if (strlen(state->adds[i].name) > 0U) {
+				(void)add_name(state, &state->current[0],
+					       state->adds[i].name,
+					       state->adds[i].type,
+					       state->adds[i].ttl,
+					       state->adds[i].data);
+			}
+		}
+	} else {
+		loginfo("dlz_example: cancelling transaction on zone %s", zone);
+	}
+	memset(state->adds, 0, sizeof(state->adds));
+	memset(state->deletes, 0, sizeof(state->deletes));
+}
+
+/*
+ * Configure a writeable zone
+ */
+isc_result_t
+dlz_configure(dns_view_t *view, dns_dlzdb_t *dlzdb, void *dbdata) {
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+	isc_result_t result;
+
+	loginfo("dlz_example: starting configure");
+
+	if (state->writeable_zone == NULL) {
+		loginfo("dlz_example: no writeable_zone method available");
+		return (ISC_R_FAILURE);
+	}
+
+	result = state->writeable_zone(view, dlzdb, state->zone_name);
+	if (result != ISC_R_SUCCESS) {
+		loginfo("dlz_example: failed to configure zone %s",
+			state->zone_name);
+		return (result);
+	}
+
+	loginfo("dlz_example: configured writeable zone %s", state->zone_name);
+	return (ISC_R_SUCCESS);
+}
+
+/*
+ * Authorize a zone update
+ */
+bool
+dlz_ssumatch(const char *signer, const char *name, const char *tcpaddr,
+	     const char *type, const char *key, uint32_t keydatalen,
+	     unsigned char *keydata, void *dbdata) {
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+
+	UNUSED(tcpaddr);
+	UNUSED(type);
+	UNUSED(key);
+	UNUSED(keydatalen);
+	UNUSED(keydata);
+
+	if (strncmp(name, "deny.", 5) == 0) {
+		loginfo("dlz_example: denying update of name=%s by %s", name,
+			signer);
+		return (false);
+	}
+	loginfo("dlz_example: allowing update of name=%s by %s", name, signer);
+	return (true);
+}
+
+static isc_result_t
+modrdataset(struct dlz_example_data *state, const char *name,
+	    const char *rdatastr, struct record *list) {
+	char *full_name, *dclass, *type, *data, *ttlstr, *buf;
+	char absolute[1024];
+	isc_result_t result;
+	char *saveptr = NULL;
+
+	buf = strdup(rdatastr);
+	if (buf == NULL) {
+		return (ISC_R_FAILURE);
+	}
+
+	/*
+	 * The format is:
+	 * FULLNAME\tTTL\tDCLASS\tTYPE\tDATA
+	 *
+	 * The DATA field is space separated, and is in the data format
+	 * for the type used by dig
+	 */
+
+	full_name = strtok_r(buf, "\t", &saveptr);
+	if (full_name == NULL) {
+		goto error;
+	}
+
+	ttlstr = strtok_r(NULL, "\t", &saveptr);
+	if (ttlstr == NULL) {
+		goto error;
+	}
+
+	dclass = strtok_r(NULL, "\t", &saveptr);
+	if (dclass == NULL) {
+		goto error;
+	}
+
+	type = strtok_r(NULL, "\t", &saveptr);
+	if (type == NULL) {
+		goto error;
+	}
+
+	data = strtok_r(NULL, "\t", &saveptr);
+	if (data == NULL) {
+		goto error;
+	}
+
+	if (name[strlen(name) - 1] != '.') {
+		snprintf(absolute, sizeof(absolute), "%s.", name);
+		name = absolute;
+	}
+
+	result = add_name(state, list, name, type, strtoul(ttlstr, NULL, 10),
+			  data);
+	free(buf);
+	return (result);
+
+error:
+	free(buf);
+	return (ISC_R_FAILURE);
+}
+
+isc_result_t
+dlz_addrdataset(const char *name, const char *rdatastr, void *dbdata,
+		void *version) {
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+
+	if (version != (void *)&state->transaction_started) {
+		return (ISC_R_FAILURE);
+	}
+
+	loginfo("dlz_example: adding rdataset %s '%s'", name, rdatastr);
+
+	return (modrdataset(state, name, rdatastr, &state->adds[0]));
+}
+
+isc_result_t
+dlz_subrdataset(const char *name, const char *rdatastr, void *dbdata,
+		void *version) {
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+
+	if (version != (void *)&state->transaction_started) {
+		return (ISC_R_FAILURE);
+	}
+
+	loginfo("dlz_example: subtracting rdataset %s '%s'", name, rdatastr);
+
+	return (modrdataset(state, name, rdatastr, &state->deletes[0]));
+}
+
+isc_result_t
+dlz_delrdataset(const char *name, const char *type, void *dbdata,
+		void *version) {
+	struct dlz_example_data *state = (struct dlz_example_data *)dbdata;
+
+	if (version != (void *)&state->transaction_started) {
+		return (ISC_R_FAILURE);
+	}
+
+	loginfo("dlz_example: deleting rdataset %s of type %s", name, type);
+
+	return (ISC_R_SUCCESS);
+}
diff --git a/bin/tests/system/dlzexternal/driver/driver.h b/bin/tests/system/dlzexternal/driver/driver.h
new file mode 100644
index 0000000..2c1a594
--- /dev/null
+++ b/bin/tests/system/dlzexternal/driver/driver.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#pragma once
+
+#include <dns/dlz_dlopen.h>
+
+/*
+ * This header includes the declarations of entry points.
+ */
+
+dlz_dlopen_version_t dlz_version;
+dlz_dlopen_create_t dlz_create;
+dlz_dlopen_destroy_t dlz_destroy;
+dlz_dlopen_findzonedb_t dlz_findzonedb;
+dlz_dlopen_lookup_t dlz_lookup;
+dlz_dlopen_allowzonexfr_t dlz_allowzonexfr;
+dlz_dlopen_allnodes_t dlz_allnodes;
+dlz_dlopen_newversion_t dlz_newversion;
+dlz_dlopen_closeversion_t dlz_closeversion;
+dlz_dlopen_configure_t dlz_configure;
+dlz_dlopen_ssumatch_t dlz_ssumatch;
+dlz_dlopen_addrdataset_t dlz_addrdataset;
+dlz_dlopen_subrdataset_t dlz_subrdataset;
+dlz_dlopen_delrdataset_t dlz_delrdataset;
diff --git a/bin/tests/system/dlzexternal/ns1/named.conf.in b/bin/tests/system/dlzexternal/ns1/named.conf.in
new file mode 100644
index 0000000..f8b36e9
--- /dev/null
+++ b/bin/tests/system/dlzexternal/ns1/named.conf.in
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.1; 127.0.0.1; };
+	listen-on-v6 { none; };
+	allow-transfer { !10.53.0.1; any; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+include "ddns.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+dlz "example one" {
+	database "dlopen ../driver/.libs/dlzexternal.so example.nil";
+};
+
+dlz "example two" {
+	database "dlopen ../driver/.libs/dlzexternal.so alternate.nil";
+};
+
+dlz "example three" {
+	database "dlopen ../driver/.libs/dlzexternal.so example.org";
+};
+
+dlz "example four" {
+	// Long zone name to trigger ISC_R_NOSPACE in dns_sdlz_putrr.
+        database "dlopen ../driver/.libs/dlzexternal.so 123456789.123456789.123456789.123456789.123456789.example.foo";
+};
+
+dlz "unsearched1" {
+	database "dlopen ../driver/.libs/dlzexternal.so other.nil";
+	search no;
+};
+
+dlz "unsearched2" {
+	database "dlopen ../driver/.libs/dlzexternal.so zone.nil";
+	search no;
+};
+
+dlz redzone {
+	database "dlopen ../driver/.libs/dlzexternal.so .";
+	search no;
+};
+
+zone zone.nil {
+	type primary;
+	dlz unsearched2;
+};
+
+zone "." {
+	type redirect;
+	dlz redzone;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/dlzexternal/ns1/root.db b/bin/tests/system/dlzexternal/ns1/root.db
new file mode 100644
index 0000000..6cbe579
--- /dev/null
+++ b/bin/tests/system/dlzexternal/ns1/root.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns1.example.
+ns1.example.		A	10.53.0.1
+
+exists.                 A       10.10.10.10
diff --git a/bin/tests/system/dlzexternal/prereq.sh b/bin/tests/system/dlzexternal/prereq.sh
new file mode 100644
index 0000000..066a74e
--- /dev/null
+++ b/bin/tests/system/dlzexternal/prereq.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$FEATURETEST --tsan && {
+	echo_i "TSAN - skipping dlzexternal test"
+        exit 255
+}
+
+exit 0
diff --git a/bin/tests/system/dlzexternal/setup.sh b/bin/tests/system/dlzexternal/setup.sh
new file mode 100644
index 0000000..dda16df
--- /dev/null
+++ b/bin/tests/system/dlzexternal/setup.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$TSIGKEYGEN ddns-key.example.nil > ns1/ddns.key
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/dlzexternal/tests.sh b/bin/tests/system/dlzexternal/tests.sh
new file mode 100644
index 0000000..a86ea7e
--- /dev/null
+++ b/bin/tests/system/dlzexternal/tests.sh
@@ -0,0 +1,231 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+DIGOPTS="@10.53.0.1 -p ${PORT} +nocookie"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+newtest() {
+	n=$((n + 1))
+	echo_i "${1} (${n})"
+	ret=0
+}
+
+test_update() {
+    host="$1"
+    type="$2"
+    cmd="$3"
+    digout="$4"
+    should_fail="$5"
+
+    cat <<EOF > ns1/update.txt
+server 10.53.0.1 ${PORT}
+update add $host $cmd
+send
+EOF
+
+    newtest "testing update for $host $type $cmd${comment:+ }$comment"
+    $NSUPDATE -k ns1/ddns.key ns1/update.txt > /dev/null 2>&1 || {
+	[ "$should_fail" ] || \
+             echo_i "update failed for $host $type $cmd"
+	return 1
+    }
+
+    out=$($DIG $DIGOPTS -t $type -q $host | grep -E "^$host")
+    lines=$(echo "$out" | grep "$digout" | wc -l)
+    [ $lines -eq 1 ] || {
+	[ "$should_fail" ] || \
+            echo_i "dig output incorrect for $host $type $cmd: $out"
+	return 1
+    }
+    return 0
+}
+
+test_update testdc1.example.nil. A "86400 A 10.53.0.10" "10.53.0.10" || ret=1
+status=$((status + ret))
+
+test_update testdc2.example.nil. A "86400 A 10.53.0.11" "10.53.0.11" || ret=1
+status=$((status + ret))
+
+test_update testdc3.example.nil. A "86400 A 10.53.0.10" "10.53.0.10" || ret=1
+status=$((status + ret))
+
+test_update deny.example.nil. TXT "86400 TXT helloworld" "helloworld" should_fail && ret=1
+status=$((status + ret))
+
+newtest "testing nxrrset"
+$DIG $DIGOPTS testdc1.example.nil AAAA > dig.out.$n || ret=1
+grep "status: NOERROR" dig.out.$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.$n > /dev/null || ret=1
+status=$((status + ret))
+
+newtest "testing prerequisites are checked correctly"
+cat > ns1/update.txt << EOF
+server 10.53.0.1 ${PORT}
+prereq nxdomain testdc3.example.nil
+update add testdc3.example.nil 86500 in a 10.53.0.12
+send
+EOF
+$NSUPDATE -k ns1/ddns.key ns1/update.txt > /dev/null 2>&1 && ret=1
+out=$($DIG $DIGOPTS +short a testdc3.example.nil)
+[ "$out" = "10.53.0.12" ] && ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing passing client info into DLZ driver"
+out=$($DIG $DIGOPTS +short -t txt -q source-addr.example.nil | grep -v '^;')
+addr=$(eval echo "$out" | cut -f1 -d'#')
+[ "$addr" = "10.53.0.1" ] || ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing DLZ driver is cleaned up on reload"
+rndc_reload ns1 10.53.0.1
+for i in 0 1 2 3 4 5 6 7 8 9; do
+    ret=0
+    grep 'dlz_example: shutting down zone example.nil' ns1/named.run > /dev/null 2>&1 || ret=1
+    [ "$ret" -eq 0 ] && break
+    sleep 1
+done
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing multiple DLZ drivers"
+test_update testdc1.alternate.nil. A "86400 A 10.53.0.10" "10.53.0.10" || ret=1
+status=$((status + ret))
+
+newtest "testing AXFR from DLZ drivers"
+$DIG $DIGOPTS +noall +answer axfr example.nil > dig.out.example.ns1.test$n || ret=1
+lines=$(cat dig.out.example.ns1.test$n | wc -l)
+[ ${lines:-0} -eq 4 ] || ret=1
+$DIG $DIGOPTS +noall +answer axfr alternate.nil > dig.out.alternate.ns1.test$n || ret=1
+lines=$(cat dig.out.alternate.ns1.test$n | wc -l)
+[ ${lines:-0} -eq 5 ] || ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing AXFR denied from DLZ drivers"
+$DIG $DIGOPTS -b 10.53.0.5 +noall +answer axfr example.nil > dig.out.example.ns1.test$n || ret=1
+grep "; Transfer failed" dig.out.example.ns1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS -b 10.53.0.5 +noall +answer axfr alternate.nil > dig.out.alternate.ns1.test$n || ret=1
+grep "; Transfer failed" dig.out.alternate.ns1.test$n > /dev/null || ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing AXFR denied based on view ACL"
+# 10.53.0.1 should be disallowed
+$DIG $DIGOPTS -b 10.53.0.1 +noall +answer axfr example.org > dig.out.example.ns1.test$n.1 || ret=1
+grep "; Transfer failed" dig.out.example.ns1.test$n.1 > /dev/null || ret=1
+# 10.53.0.2 should be allowed
+$DIG $DIGOPTS -b 10.53.0.2 +noall +answer axfr example.org > dig.out.example.ns1.test$n.2 || ret=1
+grep "; Transfer failed" dig.out.example.ns1.test$n.2 > /dev/null && ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing unsearched/unregistered DLZ zone is not found"
+$DIG $DIGOPTS +noall +answer ns other.nil > dig.out.ns1.test$n || ret=1
+grep "3600.IN.NS.other.nil." dig.out.ns1.test$n > /dev/null && ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing unsearched/registered DLZ zone is found"
+$DIG $DIGOPTS +noall +answer ns zone.nil > dig.out.ns1.test$n || ret=1
+grep "3600.IN.NS.zone.nil." dig.out.ns1.test$n > /dev/null || ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing unsearched/registered DLZ zone is found"
+$DIG $DIGOPTS +noall +answer ns zone.nil > dig.out.ns1.test$n || ret=1
+grep "3600.IN.NS.zone.nil." dig.out.ns1.test$n > /dev/null || ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing correct behavior with findzone returning ISC_R_NOMORE"
+$DIG $DIGOPTS +noall a test.example.com > /dev/null 2>&1 || ret=1
+# we should only find one logged lookup per searched DLZ database
+lines=$(grep "dlz_findzonedb.*test\.example\.com.*example.nil" ns1/named.run | wc -l)
+[ $lines -eq 1 ] || ret=1
+lines=$(grep "dlz_findzonedb.*test\.example\.com.*alternate.nil" ns1/named.run | wc -l)
+[ $lines -eq 1 ] || ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing findzone can return different results per client"
+$DIG $DIGOPTS -b 10.53.0.1 +noall a test.example.net > /dev/null 2>&1 || ret=1
+# we should only find one logged lookup per searched DLZ database
+lines=$(grep "dlz_findzonedb.*example\.net.*example.nil" ns1/named.run | wc -l)
+[ $lines -eq 1 ] || ret=1
+lines=$(grep "dlz_findzonedb.*example\.net.*alternate.nil" ns1/named.run | wc -l)
+[ $lines -eq 1 ] || ret=1
+$DIG $DIGOPTS -b 10.53.0.2 +noall a test.example.net > /dev/null 2>&1 || ret=1
+# we should find several logged lookups this time
+lines=$(grep "dlz_findzonedb.*example\.net.*example.nil" ns1/named.run | wc -l)
+[ $lines -gt 2 ] || ret=1
+lines=$(grep "dlz_findzonedb.*example\.net.*alternate.nil" ns1/named.run | wc -l)
+[ $lines -gt 2 ] || ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing zone returning oversized data"
+$DIG $DIGOPTS txt too-long.example.nil > dig.out.ns1.test$n 2>&1 || ret=1
+grep "status: SERVFAIL" dig.out.ns1.test$n > /dev/null || ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "testing zone returning oversized data at zone origin"
+$DIG $DIGOPTS txt bigcname.domain > dig.out.ns1.test$n 2>&1 || ret=1
+grep "status: SERVFAIL" dig.out.ns1.test$n > /dev/null || ret=1
+[ "$ret" -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+newtest "checking redirected lookup for nonexistent name"
+$DIG $DIGOPTS @10.53.0.1 unexists a > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "^unexists.*A.*100.100.100.2" dig.out.ns1.test$n > /dev/null || ret=1
+grep "flags:[^;]* aa[ ;]" dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "checking no redirected lookup for nonexistent type"
+$DIG $DIGOPTS @10.53.0.1 exists aaaa > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "checking redirected lookup for a long nonexistent name"
+$DIG $DIGOPTS @10.53.0.1 long.name.is.not.there a > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "^long.name.*A.*100.100.100.3" dig.out.ns1.test$n > /dev/null || ret=1
+grep "flags:[^;]* aa[ ;]" dig.out.ns1.test$n > /dev/null || ret=1
+lookups=$(grep "lookup #.*\.not\.there" ns1/named.run | wc -l)
+[ "$lookups" -eq 1 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "checking ECS data is passed to driver in clientinfo"
+$DIG $DIGOPTS +short +subnet=192.0/16 source-addr.example.nil txt > dig.out.ns1.test$n.1 || ret=1
+grep "192.0.0.0/16/0" dig.out.ns1.test$n.1 > /dev/null || ret=1
+$DIG $DIGOPTS +short source-addr.example.nil txt > dig.out.ns1.test$n.2 || ret=1
+grep "not.*present" dig.out.ns1.test$n.2 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/dlzexternal/tests_sh_dlzexternal.py b/bin/tests/system/dlzexternal/tests_sh_dlzexternal.py
new file mode 100644
index 0000000..1c0f7e5
--- /dev/null
+++ b/bin/tests/system/dlzexternal/tests_sh_dlzexternal.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_dlzexternal(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/dns64/clean.sh b/bin/tests/system/dns64/clean.sh
new file mode 100644
index 0000000..b773e2d
--- /dev/null
+++ b/bin/tests/system/dns64/clean.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns*/named.conf
+rm -f ns1/K*
+rm -f ns1/signed.db*
+rm -f ns1/dsset-signed.
+rm -f */named.memstats
+rm -f */named.run
+rm -f dig.out.*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/dns64/conf/bad1.conf b/bin/tests/system/dns64/conf/bad1.conf
new file mode 100644
index 0000000..a4b7e7f
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad1.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 ::/0 { };
+};
diff --git a/bin/tests/system/dns64/conf/bad10.conf b/bin/tests/system/dns64/conf/bad10.conf
new file mode 100644
index 0000000..21855f6
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad10.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 0000:0000:0000:0000:0100:000f::/96 { };  /* bits [64..71] MBZ */
+};
diff --git a/bin/tests/system/dns64/conf/bad11.conf b/bin/tests/system/dns64/conf/bad11.conf
new file mode 100644
index 0000000..c3bdd92
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad11.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 0000:0000:0000:0000:0200:000f::/96 { }; /* bits [64..71] MBZ */
+};
diff --git a/bin/tests/system/dns64/conf/bad12.conf b/bin/tests/system/dns64/conf/bad12.conf
new file mode 100644
index 0000000..6ffe720
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad12.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 0000:0000:0000:0000:0400:000f::/96 { }; /* bits [64..71] MBZ */
+};
diff --git a/bin/tests/system/dns64/conf/bad13.conf b/bin/tests/system/dns64/conf/bad13.conf
new file mode 100644
index 0000000..dc6c064
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad13.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 0000:0000:0000:0000:0800:000f::/96 { }; /* bits [64..71] MBZ */
+};
diff --git a/bin/tests/system/dns64/conf/bad14.conf b/bin/tests/system/dns64/conf/bad14.conf
new file mode 100644
index 0000000..985101a
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad14.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 0000:0000:0000:0000:1000:000f::/96 { }; /* bits [64..71] MBZ */
+};
diff --git a/bin/tests/system/dns64/conf/bad15.conf b/bin/tests/system/dns64/conf/bad15.conf
new file mode 100644
index 0000000..0931a55
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad15.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 0000:0000:0000:0000:2000:000f::/96 { }; /* bits [64..71] MBZ */
+};
diff --git a/bin/tests/system/dns64/conf/bad16.conf b/bin/tests/system/dns64/conf/bad16.conf
new file mode 100644
index 0000000..3a8b962
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad16.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 0000:0000:0000:0000:4000:000f::/96 { }; /* bits [64..71] MBZ */
+};
diff --git a/bin/tests/system/dns64/conf/bad17.conf b/bin/tests/system/dns64/conf/bad17.conf
new file mode 100644
index 0000000..6c9079b
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad17.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 0000:0000:0000:0000:8000:000f::/96 { }; /* bits [64..71] MBZ */
+};
diff --git a/bin/tests/system/dns64/conf/bad18.conf b/bin/tests/system/dns64/conf/bad18.conf
new file mode 100644
index 0000000..566e177
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad18.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 ::/32 { suffix ::8000:0000:0000:0000; }; /* bits [64..71] MBZ */
+};
diff --git a/bin/tests/system/dns64/conf/bad19.conf b/bin/tests/system/dns64/conf/bad19.conf
new file mode 100644
index 0000000..8a9fb76
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad19.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 ::/32 { suffix ::0100:0000:0000:0000; }; /* bits [64..71] MBZ */
+};
diff --git a/bin/tests/system/dns64/conf/bad2.conf b/bin/tests/system/dns64/conf/bad2.conf
new file mode 100644
index 0000000..d275998
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad2.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 ::/96 { suffix ::1; };
+};
diff --git a/bin/tests/system/dns64/conf/bad3.conf b/bin/tests/system/dns64/conf/bad3.conf
new file mode 100644
index 0000000..24971b3
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad3.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 ::/96 { suffix 127.0.0.1; };
+};
diff --git a/bin/tests/system/dns64/conf/bad4.conf b/bin/tests/system/dns64/conf/bad4.conf
new file mode 100644
index 0000000..bc73ca5
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad4.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 ::/129 { };
+};
diff --git a/bin/tests/system/dns64/conf/bad5.conf b/bin/tests/system/dns64/conf/bad5.conf
new file mode 100644
index 0000000..bc73ca5
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad5.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 ::/129 { };
+};
diff --git a/bin/tests/system/dns64/conf/bad6.conf b/bin/tests/system/dns64/conf/bad6.conf
new file mode 100644
index 0000000..1d85ab9
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad6.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 :: { };
+};
diff --git a/bin/tests/system/dns64/conf/bad7.conf b/bin/tests/system/dns64/conf/bad7.conf
new file mode 100644
index 0000000..afbf437
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad7.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 FC36:EAFE:F993::/64 {
+		exclude { bogusacl; };
+	};
+};
diff --git a/bin/tests/system/dns64/conf/bad8.conf b/bin/tests/system/dns64/conf/bad8.conf
new file mode 100644
index 0000000..9aa423f
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad8.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 FC36:EAFE:F993::/64 {
+		clients { bogusacl; };
+	};
+};
diff --git a/bin/tests/system/dns64/conf/bad9.conf b/bin/tests/system/dns64/conf/bad9.conf
new file mode 100644
index 0000000..b74204c
--- /dev/null
+++ b/bin/tests/system/dns64/conf/bad9.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dns64 FC36:EAFE:F993::/64 {
+		mapped { bogusacl; };
+	};
+};
diff --git a/bin/tests/system/dns64/conf/good1.conf b/bin/tests/system/dns64/conf/good1.conf
new file mode 100644
index 0000000..d84733e
--- /dev/null
+++ b/bin/tests/system/dns64/conf/good1.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+options {
+	/* Well Known Prefix */
+	dns64 64:FF9B::/96 {
+		clients { any; };
+		mapped { !rfc1918; any; };
+		exclude { ::ffff:0:0/96; };
+	};
+};
diff --git a/bin/tests/system/dns64/conf/good2.conf b/bin/tests/system/dns64/conf/good2.conf
new file mode 100644
index 0000000..41b5730
--- /dev/null
+++ b/bin/tests/system/dns64/conf/good2.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+options {
+	/* Well Known Prefix */
+	dns64 64:FF9B::/96 {
+		mapped { !rfc1918; any; };
+		exclude { ::ffff:0:0/96; };
+	};
+};
diff --git a/bin/tests/system/dns64/conf/good3.conf b/bin/tests/system/dns64/conf/good3.conf
new file mode 100644
index 0000000..450b2e0
--- /dev/null
+++ b/bin/tests/system/dns64/conf/good3.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+options {
+	/* Well Known Prefix */
+	dns64 64:FF9B::/96 {
+		clients { any; };
+		exclude { ::ffff:0:0/96; };
+	};
+};
diff --git a/bin/tests/system/dns64/conf/good4.conf b/bin/tests/system/dns64/conf/good4.conf
new file mode 100644
index 0000000..2c57f23
--- /dev/null
+++ b/bin/tests/system/dns64/conf/good4.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+options {
+	/* Well Known Prefix */
+	dns64 64:FF9B::/96 {
+		clients { any; };
+		mapped { !rfc1918; any; };
+	};
+};
diff --git a/bin/tests/system/dns64/conf/good5.conf b/bin/tests/system/dns64/conf/good5.conf
new file mode 100644
index 0000000..f6027a4
--- /dev/null
+++ b/bin/tests/system/dns64/conf/good5.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+options {
+	/* Well Known Prefix */
+	dns64 64:FF9B::/96 { };
+};
diff --git a/bin/tests/system/dns64/ns1/example.db b/bin/tests/system/dns64/ns1/example.db
new file mode 100644
index 0000000..8253f1d
--- /dev/null
+++ b/bin/tests/system/dns64/ns1/example.db
@@ -0,0 +1,56 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	3600
+@	SOA ns1 marka.isc.org. 0 0 0 0 1200
+@	NS ns1
+ns1	A	10.53.0.1
+excluded-good-a	AAAA	2001:eeee::1
+		A	1.2.3.4
+excluded-bad-a	AAAA	2001:eeee::2
+		A	10.0.0.1
+excluded-only	AAAA	2001:eeee::3
+partially-excluded-good-a	AAAA	2001:eeee::1
+		AAAA	2001::1
+		A	1.2.3.4
+partially-excluded-bad-a	AAAA	2001:eeee::2
+		AAAA	2001::2
+		A	10.0.0.1
+partially-excluded-only	AAAA	2001:eeee::3
+		AAAA	2001::3
+a-only		A	1.2.3.5
+a-and-aaaa	AAAA	2001::1
+		A	1.2.3.6
+aaaa-only	AAAA	2001::2
+a-not-mapped	A	10.0.0.2
+a-and-mapped	AAAA	::ffff:1.2.3.4
+		A	1.2.3.5
+a-and-aaaa-and-mapped AAAA 2001:eeee::4
+a-and-aaaa-and-mapped AAAA ::ffff:1.2.3.4
+a-and-aaaa-and-mapped A	1.2.3.5
+mx-only		MX	10 ns.example.
+cname-excluded-good-a CNAME excluded-good-a
+cname-excluded-bad-a CNAME excluded-bad-a
+cname-excluded-only CNAME excluded-only
+cname-partial-excluded-good-a CNAME partial-excluded-good-a
+cname-partial-excluded-bad-a CNAME partial-excluded-bad-a
+cname-partial-excluded-only CNAME partial-excluded-only
+cname-a-only CNAME a-only
+cname-a-and-aaaa CNAME a-and-aaaa
+cname-aaaa-only CNAME aaaa-only
+cname-a-not-mapped CNAME a-not-mapped
+cname-mx-only CNAME mx-only
+cname-non-existent CNAME non-existent
+ttl-less-than-600 500 A 5.6.7.8
+ttl-more-than-600 700 A 5.6.7.8
+ttl-less-than-minimum 1100 A 5.6.7.8
+ttl-more-than-minimum 1300 A 5.6.7.8
+rpz 1500 A 99.99.99.99
diff --git a/bin/tests/system/dns64/ns1/ipv4only.arpa.db b/bin/tests/system/dns64/ns1/ipv4only.arpa.db
new file mode 100644
index 0000000..9e0726d
--- /dev/null
+++ b/bin/tests/system/dns64/ns1/ipv4only.arpa.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+ipv4only.arpa.		3600	IN	SOA	. . 2018112766 7200 3600 604800 3600
+ipv4only.arpa.		3600	IN	NS	.
+ipv4only.arpa.		3600	IN	A	192.0.0.170
+ipv4only.arpa.		3600	IN	A	192.0.0.171
diff --git a/bin/tests/system/dns64/ns1/named.conf1.in b/bin/tests/system/dns64/ns1/named.conf1.in
new file mode 100644
index 0000000..aaf7aab
--- /dev/null
+++ b/bin/tests/system/dns64/ns1/named.conf1.in
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+include "../../common/rndc.key";
+
+controls {
+        inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	allow-recursion { 10.53.0.1; };
+	notify yes;
+	dnssec-validation yes;
+
+	dns64 2001:bbbb::/96 {
+		clients { any; };
+		mapped { !rfc1918; any; };
+		exclude { 2001:eeee::/32; 64:FF9B::/96; ::ffff:0000:0000/96; };
+		suffix ::;
+		recursive-only yes;
+	};
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "signed" {
+	type primary;
+	file "signed.db.signed";
+};
+
+zone "ipv4only.arpa" {
+	type primary;
+	file "ipv4only.arpa.db";
+};
diff --git a/bin/tests/system/dns64/ns1/named.conf2.in b/bin/tests/system/dns64/ns1/named.conf2.in
new file mode 100644
index 0000000..f3fc40f
--- /dev/null
+++ b/bin/tests/system/dns64/ns1/named.conf2.in
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+include "../../common/rndc.key";
+
+controls {
+        inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	allow-recursion { 10.53.0.1; };
+	notify yes;
+	dnssec-validation yes;
+
+	dns64 2001:bbbb::/96 {
+		clients { any; };
+		mapped { !rfc1918; any; };
+		exclude { 2001:eeee::/32; 64:FF9B::/96; ::ffff:0000:0000/96; };
+		suffix ::;
+		recursive-only yes;
+	};
+	dns64 2001:aaaa::/64 {
+		mapped { !rfc1918; any; };
+	};
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "signed" {
+	type primary;
+	file "signed.db.signed";
+};
+
+zone "ipv4only.arpa" {
+	type primary;
+	file "ipv4only.arpa.db";
+};
diff --git a/bin/tests/system/dns64/ns1/named.conf3.in b/bin/tests/system/dns64/ns1/named.conf3.in
new file mode 100644
index 0000000..cb6237b
--- /dev/null
+++ b/bin/tests/system/dns64/ns1/named.conf3.in
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+include "../../common/rndc.key";
+
+controls {
+        inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	allow-recursion { 10.53.0.1; };
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "signed" {
+	type primary;
+	file "signed.db.signed";
+};
+
+zone "ipv4only.arpa" {
+	type primary;
+	file "ipv4only.arpa.db";
+};
diff --git a/bin/tests/system/dns64/ns1/root.db b/bin/tests/system/dns64/ns1/root.db
new file mode 100644
index 0000000..0e3bbee
--- /dev/null
+++ b/bin/tests/system/dns64/ns1/root.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	a.root-servers.nil. marka.isc.org. 0 0 0 0 0
+@		NS	a.root-servers.nil.
+a.root-servers.nil.      A   10.53.0.1
+example 	NS	ns1.example.
+ns1.example.	A	10.53.0.1
+signed		NS	ns1.example.
+ns1.signed.	A	10.53.0.1
diff --git a/bin/tests/system/dns64/ns1/sign.sh b/bin/tests/system/dns64/ns1/sign.sh
new file mode 100644
index 0000000..348ca8a
--- /dev/null
+++ b/bin/tests/system/dns64/ns1/sign.sh
@@ -0,0 +1,25 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=signed
+infile=example.db
+zonefile=signed.db
+
+key1=$($KEYGEN -q -a $DEFAULT_ALGORITHM $zone)
+key2=$($KEYGEN -q -a $DEFAULT_ALGORITHM -fk $zone)
+
+cat $infile $key1.key $key2.key > $zonefile
+
+$SIGNER -P -g -o $zone $zonefile > /dev/null
diff --git a/bin/tests/system/dns64/ns2/named.conf.in b/bin/tests/system/dns64/ns2/named.conf.in
new file mode 100644
index 0000000..be92d1a
--- /dev/null
+++ b/bin/tests/system/dns64/ns2/named.conf.in
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation yes;
+
+	dns64 2001:aaaa::/96 {
+		clients { 10.53.0.2; };
+		mapped { !rfc1918; any; };
+		exclude { 2001:eeee::/32; 64:FF9B::/96; ::ffff:0000:0000/96; };
+		suffix ::;
+	};
+
+	dns64 64:FF9B::/96 {
+		clients { 10.53.0.1; };
+		mapped { !192.228.79.201; !rfc1918; any; };
+		exclude { 64:FF9B::/96; ::ffff:0000:0000/96; };
+		suffix ::;
+	};
+
+	dns64 2001:bbbb::/96 {
+		clients { 10.53.0.4; };
+		mapped { !rfc1918; any; };
+		suffix ::;
+	};
+
+	dns64-server "dns64.example.net.";
+	dns64-contact "hostmaster.example.net.";
+	dns64 2001:32::/32 { clients { 10.53.0.6; }; };
+	dns64 2001:40::/40 { clients { 10.53.0.6; }; };
+	dns64 2001:48::/48 { clients { 10.53.0.6; }; };
+	dns64 2001:56::/56 { clients { 10.53.0.6; }; };
+	dns64 2001:64::/64 { clients { 10.53.0.6; }; };
+
+	dns64 2001:96::/96 { clients { 10.53.0.7; }; };
+
+	response-policy { zone "rpz"; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "rpz" {
+	type primary;
+	file "rpz.db";
+};
diff --git a/bin/tests/system/dns64/ns2/rpz.db b/bin/tests/system/dns64/ns2/rpz.db
new file mode 100644
index 0000000..014cbf0
--- /dev/null
+++ b/bin/tests/system/dns64/ns2/rpz.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400      ; 1 day
+@               IN SOA  rpz. noc.rpz. (
+                                1         ; serial
+                                86400      ; refresh (1 day)
+                                3600       ; retry (1 hour)
+                                2592000    ; expire (4 weeks 2 days)
+                                25200      ; minimum (7 hours)
+                                )
+                        NS      @
+                        IN A    10.53.0.2
+
+rpz.example IN A    10.10.10.10
diff --git a/bin/tests/system/dns64/setup.sh b/bin/tests/system/dns64/setup.sh
new file mode 100644
index 0000000..6771f3f
--- /dev/null
+++ b/bin/tests/system/dns64/setup.sh
@@ -0,0 +1,19 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf1.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+
+cd ns1 && $SHELL sign.sh
diff --git a/bin/tests/system/dns64/tests.sh b/bin/tests/system/dns64/tests.sh
new file mode 100644
index 0000000..4ee42dc
--- /dev/null
+++ b/bin/tests/system/dns64/tests.sh
@@ -0,0 +1,1456 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+rm -f dig.out.*
+
+DIGOPTS="+tcp +noadd +nosea +nostat +nocmd -p ${PORT}"
+
+for conf in conf/good*.conf
+do
+        echo_i "checking that $conf is accepted ($n)"
+        ret=0
+        $CHECKCONF "$conf" || ret=1
+        n=$((n + 1))
+        if [ $ret != 0 ]; then echo_i "failed"; fi
+        status=$((status + ret))
+done
+
+for conf in conf/bad*.conf
+do
+        echo_i "checking that $conf is rejected ($n)"
+        ret=0
+        $CHECKCONF "$conf" >/dev/null && ret=1
+	n=$((n + 1))
+        if [ $ret != 0 ]; then echo_i "failed"; fi
+        status=$((status + ret))
+done
+
+# Check the example. domain
+
+echo_i "checking non-excluded AAAA lookup works ($n)"
+ret=0
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA lookup works ($n)"
+ret=0
+$DIG $DIGOPTS excluded-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A lookup works ($n)"
+ret=0
+$DIG $DIGOPTS excluded-bad-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A lookup works ($n)"
+ret=0
+$DIG $DIGOPTS excluded-good-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:aaaa::1.2.3.4" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking default exclude acl ignores mapped A records (all mapped) ($n)"
+ret=0
+$DIG $DIGOPTS a-and-mapped.example. @10.53.0.2 -b 10.53.0.4 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:bbbb::1.2.3.5" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking default exclude acl ignores mapped A records (some mapped) ($n)"
+ret=0
+$DIG $DIGOPTS a-and-aaaa-and-mapped.example. @10.53.0.2 -b 10.53.0.4 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::4" dig.out.ns2.test$n > /dev/null || ret=1
+grep "::ffff:1.2.3.4" dig.out.ns2.test$n > /dev/null && ret=1
+grep "::ffff:1.2.3.5" dig.out.ns2.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking default exclude acl works with AAAA only ($n)"
+ret=0
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.4 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking default exclude acl A only lookup works ($n)"
+ret=0
+$DIG $DIGOPTS a-only.example. @10.53.0.2 -b 10.53.0.4 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:bbbb::102:305" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking partially excluded only AAAA lookup works ($n)"
+ret=0
+$DIG $DIGOPTS partially-excluded-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking partially-excluded AAAA and non-mapped A lookup works ($n)"
+ret=0
+$DIG $DIGOPTS partially-excluded-bad-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking partially-excluded only AAAA and mapped A lookup works ($n)"
+ret=0
+$DIG $DIGOPTS partially-excluded-good-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only lookup works ($n)"
+ret=0
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only lookup works ($n)"
+ret=0
+$DIG $DIGOPTS a-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:aaaa::102:305" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA lookup works ($n)"
+ret=0
+$DIG $DIGOPTS a-and-aaaa.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A lookup works ($n)"
+ret=0
+$DIG $DIGOPTS a-not-mapped.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA lookup works ($n)"
+ret=0
+$DIG $DIGOPTS mx-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA lookup works ($n)"
+ret=0
+$DIG $DIGOPTS non-existent.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-excluded AAAA via CNAME lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA via CNAME lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A via CNAME lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-bad-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A via CNAME lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-good-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:aaaa::1.2.3.4" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only via CNAME lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only via CNAME lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:aaaa::102:305" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA via CNAME lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-and-aaaa.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A via CNAME lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-not-mapped.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA via CNAME lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-mx-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	mx-only.example." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA via CNAME lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-non-existent.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the example. domain recursive only
+
+echo_i "checking non-excluded AAAA lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:bbbb::1.2.3.4" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking partially excluded only AAAA lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS partially-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking partially-excluded AAAA and non-mapped A lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS partially-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking partially-excluded only AAAA and mapped A lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS partially-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:bbbb::102:305" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-excluded AAAA via CNAME lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA via CNAME lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A via CNAME lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A via CNAME lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:bbbb::102:304" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only via CNAME lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only via CNAME lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:bbbb::102:305" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA via CNAME lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A via CNAME lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA via CNAME lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS cname-mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	mx-only.example." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA via CNAME lookup works, recursive only ($n)"
+ret=0
+$DIG $DIGOPTS cname-non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the example. domain recursive only w/o recursion
+
+echo_i "checking non-excluded AAAA lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking partially excluded only AAAA lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec partially-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee:" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking partially-excluded AAAA and non-mapped A lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec partially-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee:" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking partially-excluded only AAAA and mapped A lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec partially-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee:" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-excluded AAAA via CNAME lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA via CNAME lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec cname-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A via CNAME lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec cname-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A via CNAME lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec cname-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only via CNAME lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only via CNAME lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec cname-a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	a-only.example." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA via CNAME lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec cname-a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A via CNAME lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec cname-a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA via CNAME lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec cname-mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	mx-only.example." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA via CNAME lookup works, recursive only +norec ($n)"
+ret=0
+$DIG $DIGOPTS +norec cname-non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the example. domain from non client
+
+echo_i "checking non-excluded AAAA from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS excluded-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS excluded-bad-a.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS excluded-good-a.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS a-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS a-and-aaaa.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS a-not-mapped.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS mx-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS non-existent.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-excluded AAAA via CNAME from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA via CNAME from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A via CNAME from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-bad-a.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A via CNAME from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-good-a.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only via CNAME from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only via CNAME from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA via CNAME from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-and-aaaa.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A via CNAME from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-not-mapped.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA via CNAME from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-mx-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	mx-only.example." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA via CNAME from non-client lookup works ($n)"
+ret=0
+$DIG $DIGOPTS cname-non-existent.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the signed. domain
+
+echo_i "checking non-excluded AAAA lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:aaaa::102:304" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:aaaa::102:305" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-excluded AAAA via CNAME lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA via CNAME lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A via CNAME lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A via CNAME lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS cname-excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:aaaa::102:304" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only via CNAME lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only via CNAME lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:aaaa::102:305" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA via CNAME lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A via CNAME lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS cname-a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	a-not-mapped.signed." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA via CNAME lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS cname-mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	mx-only.signed." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA via CNAME lookup is signed zone works ($n)"
+ret=0
+$DIG $DIGOPTS cname-non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the signed. domain
+echo_i "checking non-excluded AAAA lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-excluded AAAA via CNAME lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA via CNAME lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec cname-excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded AAAA and non-mapped A via CNAME lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec cname-excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking excluded only AAAA and mapped A via CNAME lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec cname-excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA only via CNAME lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A only via CNAME lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec cname-a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:aaaa::102:305" dig.out.ns2.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A and AAAA via CNAME lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec cname-a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-mapped A via CNAME lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec cname-a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 2" dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	a-not-mapped.signed." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking NODATA AAAA via CNAME lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec cname-mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
+grep "CNAME	mx-only.signed." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking non-existent AAAA via CNAME lookup is signed zone works with +dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +dnssec cname-non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking reverse mapping ($n)"
+ret=0
+$DIG $DIGOPTS -x 2001:aaaa::10.0.0.1 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep -i "CNAME.1.0.0.10.IN-ADDR.ARPA.$" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+list=$($DIG $DIGOPTS -b 10.53.0.6 @10.53.0.2 +short aaaa a-only.example | sort)
+for a in $list
+do
+	ret=0
+	echo_i "checking reverse mapping of $a ($n)"
+	$DIG $DIGOPTS -x $a @10.53.0.2 > dig.out.ns2.test$n || ret=1
+	grep -i "CNAME.5.3.2.1.IN-ADDR.ARPA." dig.out.ns2.test$n > /dev/null || ret=1
+	n=$((n + 1))
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+done
+
+rev=$($ARPANAME 2001:aaaa::10.0.0.1)
+regex='..\(.*.IP6.ARPA\)'
+rev=$(expr "${rev}" : "${regex}")
+fin=$(expr "${rev}" : "............${regex}")
+while test "${rev}" != "${fin}"
+do
+	ret=0
+	echo_i "checking $rev ($n)"
+	$DIG $DIGOPTS $rev ptr @10.53.0.2 > dig.out.ns2.test$n || ret=1
+	grep -i "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+	grep -i "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
+	n=$((n + 1))
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+	rev=$(expr "${rev}" : "${regex}")
+done
+
+echo_i "checking dns64-server and dns64-contact ($n)"
+ret=0
+$DIG $DIGOPTS soa 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.a.a.a.a.1.0.0.2.ip6.arpa @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "SOA.dns64.example.net..hostmaster.example.net." dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTL less than 600 from zone ($n)"
+ret=0
+#expect 500
+$DIG $DIGOPTS aaaa ttl-less-than-600.example +rec @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep -i "ttl-less-than-600.example..500.IN.AAAA" dig.out.ns1.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTL more than 600 from zone ($n)"
+ret=0
+#expect 700
+$DIG $DIGOPTS aaaa ttl-more-than-600.example +rec @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep -i "ttl-more-than-600.example..700.IN.AAAA" dig.out.ns1.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTL less than minimum from zone ($n)"
+ret=0
+#expect 1100
+$DIG $DIGOPTS aaaa ttl-less-than-minimum.example +rec @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep -i "ttl-less-than-minimum.example..1100.IN.AAAA" dig.out.ns1.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTL limited to minimum from zone ($n)"
+ret=0
+#expect 1200
+$DIG $DIGOPTS aaaa ttl-more-than-minimum.example +rec @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep -i "ttl-more-than-minimum.example..1200.IN.AAAA" dig.out.ns1.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTL less than 600 via cache ($n)"
+ret=0
+#expect 500
+$DIG $DIGOPTS aaaa ttl-less-than-600.example +rec -b 10.53.0.2 @10.53.0.2 > dig.out.ns1.test$n || ret=1
+grep -i "ttl-less-than-600.example..500.IN.AAAA" dig.out.ns1.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTL more than 600 via cache ($n)"
+ret=0
+#expect 700
+$DIG $DIGOPTS aaaa ttl-more-than-600.example +rec -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep -i "ttl-more-than-600.example..700.IN.AAAA" dig.out.ns2.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTL less than minimum via cache ($n)"
+ret=0
+#expect 1100
+$DIG $DIGOPTS aaaa ttl-less-than-minimum.example +rec -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep -i "ttl-less-than-minimum.example..1100.IN.AAAA" dig.out.ns2.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TTL limited to minimum via cache ($n)"
+ret=0
+#expect 1200
+$DIG $DIGOPTS aaaa ttl-more-than-minimum.example +rec -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep -i "ttl-more-than-minimum.example..1200.IN.AAAA" dig.out.ns2.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking synthesis of AAAA from RPZ-remapped A ($n)"
+ret=0
+$DIG $DIGOPTS aaaa rpz.example +rec -b 10.53.0.7 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep -i 'rpz.example.*IN.AAAA.2001:96::a0a:a0a' dig.out.ns2.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking 'dig +dns64prefix' ($n)"
+$DIG $DIGOPTS +dns64prefix @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '^2001:bbbb::/96$' dig.out.ns1.test$n > /dev/null || ret=1
+test $(wc -l < dig.out.ns1.test$n) -eq 1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+copy_setports ns1/named.conf2.in ns1/named.conf
+rndc_reload ns1 10.53.0.1
+
+echo_i "checking 'dig +dns64prefix' with multiple prefixes ($n)"
+$DIG $DIGOPTS +dns64prefix @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep '^2001:bbbb::/96$' dig.out.ns1.test$n > /dev/null || ret=1
+grep '2001:aaaa::/64' dig.out.ns1.test$n > /dev/null || ret=1
+test $(wc -l < dig.out.ns1.test$n) -eq 2 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+copy_setports ns1/named.conf3.in ns1/named.conf
+rndc_reload ns1 10.53.0.1
+
+echo_i "checking 'dig +dns64prefix' with no prefixes ($n)"
+$DIG $DIGOPTS +dns64prefix @10.53.0.1 > dig.out.ns1.test$n || ret=1
+test $(wc -l < dig.out.ns1.test$n) -eq 0 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking synthesis of AAAA from builtin ipv4only.arpa ($n)"
+ret=0
+$DIG $DIGOPTS aaaa ipv4only.arpa -b 10.53.0.7 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep -i 'ipv4only.arpa.*IN.AAAA.2001:96::c000:aa' dig.out.ns2.test$n >/dev/null || ret=1
+grep -i 'ipv4only.arpa.*IN.AAAA.2001:96::c000:ab' dig.out.ns2.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking reverse of dns64 mapped ipv4only.arpa addresses returns ipv4only.arpa ($n)"
+ret=0
+$DIG $DIGOPTS ptr -x 2001:96::192.0.0.170 -b 10.53.0.7 @10.53.0.2 > dig.out.170.ns2.test$n || ret=1
+$DIG $DIGOPTS ptr -x 2001:96::192.0.0.171 -b 10.53.0.7 @10.53.0.2 > dig.out.171.ns2.test$n || ret=1
+grep "ip6\.arpa\..*PTR.*ipv4only\.arpa\." dig.out.170.ns2.test$n >/dev/null || ret=1
+grep "ip6\.arpa\..*PTR.*ipv4only\.arpa\." dig.out.171.ns2.test$n >/dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/dns64/tests_sh_dns64.py b/bin/tests/system/dns64/tests_sh_dns64.py
new file mode 100644
index 0000000..7eb152c
--- /dev/null
+++ b/bin/tests/system/dns64/tests_sh_dns64.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_dns64(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/dnssec/README b/bin/tests/system/dnssec/README
new file mode 100644
index 0000000..fcaa3b6
--- /dev/null
+++ b/bin/tests/system/dnssec/README
@@ -0,0 +1,32 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+The test setup for the DNSSEC tests has a secure root.
+
+ns1 is the root server.
+
+ns2 and ns3 are authoritative servers for the various test domains.
+
+ns4 is a caching-only server, configured with the correct trusted key
+for the root.
+
+ns5 is a caching-only server, configured with the an incorrect trusted
+key for the root.  It is used for testing failure cases.
+
+ns6 is an caching and authoritative server used for testing unusual
+server behaviors such as disabled DNSSEC algorithms.
+
+ns7 is used for checking non-cacheable answers.
+
+ns8 is a caching-only server, configured with unsupported and disabled
+algorithms.  It is used for testing failure cases.
+
+ns9 is a forwarding-only server.
diff --git a/bin/tests/system/dnssec/ans10/ans.py b/bin/tests/system/dnssec/ans10/ans.py
new file mode 100644
index 0000000..dbe49e5
--- /dev/null
+++ b/bin/tests/system/dnssec/ans10/ans.py
@@ -0,0 +1,158 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from __future__ import print_function
+import os
+import sys
+import signal
+import socket
+import select
+from datetime import datetime, timedelta
+import time
+import functools
+
+import dns, dns.message, dns.query, dns.flags
+from dns.rdatatype import *
+from dns.rdataclass import *
+from dns.rcode import *
+from dns.name import *
+
+
+# Log query to file
+def logquery(type, qname):
+    with open("qlog", "a") as f:
+        f.write("%s %s\n", type, qname)
+
+
+############################################################################
+# Respond to a DNS query.
+# SOA gets a unsigned response.
+# NS gets a unsigned response.
+# DNSKEY get a unsigned NODATA response.
+# A gets a signed response.
+# All other types get a unsigned NODATA response.
+############################################################################
+def create_response(msg):
+    m = dns.message.from_wire(msg)
+    qname = m.question[0].name.to_text()
+    rrtype = m.question[0].rdtype
+    typename = dns.rdatatype.to_text(rrtype)
+
+    with open("query.log", "a") as f:
+        f.write("%s %s\n" % (typename, qname))
+        print("%s %s" % (typename, qname), end=" ")
+
+    r = dns.message.make_response(m)
+    r.set_rcode(NOERROR)
+    if rrtype == A:
+        now = datetime.today()
+        expire = now + timedelta(days=30)
+        inception = now - timedelta(days=1)
+        rrsig = (
+            "A 13 2 60 "
+            + expire.strftime("%Y%m%d%H%M%S")
+            + " "
+            + inception.strftime("%Y%m%d%H%M%S")
+            + " 12345 "
+            + qname
+            + " gB+eISXAhSPZU2i/II0W9ZUhC2SCIrb94mlNvP5092WAeXxqN/vG43/1nmDl"
+            + "y2Qs7y5VCjSMOGn85bnaMoAc7w=="
+        )
+        r.answer.append(dns.rrset.from_text(qname, 1, IN, A, "10.53.0.10"))
+        r.answer.append(dns.rrset.from_text(qname, 1, IN, RRSIG, rrsig))
+    elif rrtype == NS:
+        r.answer.append(dns.rrset.from_text(qname, 1, IN, NS, "."))
+    elif rrtype == SOA:
+        r.answer.append(dns.rrset.from_text(qname, 1, IN, SOA, ". . 0 0 0 0 0"))
+    else:
+        r.authority.append(dns.rrset.from_text(qname, 1, IN, SOA, ". . 0 0 0 0 0"))
+    r.flags |= dns.flags.AA
+    return r
+
+
+def sigterm(signum, frame):
+    print("Shutting down now...")
+    os.remove("ans.pid")
+    running = False
+    sys.exit(0)
+
+
+############################################################################
+# Main
+#
+# Set up responder and control channel, open the pid file, and start
+# the main loop, listening for queries on the query channel or commands
+# on the control channel and acting on them.
+############################################################################
+ip4 = "10.53.0.10"
+ip6 = "fd92:7065:b8e:ffff::10"
+
+try:
+    port = int(os.environ["PORT"])
+except:
+    port = 5300
+
+query4_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+query4_socket.bind((ip4, port))
+havev6 = True
+try:
+    query6_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+    try:
+        query6_socket.bind((ip6, port))
+    except:
+        query6_socket.close()
+        havev6 = False
+except:
+    havev6 = False
+signal.signal(signal.SIGTERM, sigterm)
+
+f = open("ans.pid", "w")
+pid = os.getpid()
+print(pid, file=f)
+f.close()
+
+running = True
+
+print("Listening on %s port %d" % (ip4, port))
+if havev6:
+    print("Listening on %s port %d" % (ip6, port))
+print("Ctrl-c to quit")
+
+if havev6:
+    input = [query4_socket, query6_socket]
+else:
+    input = [query4_socket]
+
+while running:
+    try:
+        inputready, outputready, exceptready = select.select(input, [], [])
+    except select.error as e:
+        break
+    except socket.error as e:
+        break
+    except KeyboardInterrupt:
+        break
+
+    for s in inputready:
+        if s == query4_socket or s == query6_socket:
+            print(
+                "Query received on %s" % (ip4 if s == query4_socket else ip6), end=" "
+            )
+            # Handle incoming queries
+            msg = s.recvfrom(65535)
+            rsp = create_response(msg[0])
+            if rsp:
+                print(dns.rcode.to_text(rsp.rcode()))
+                s.sendto(rsp.to_wire(), msg[1])
+            else:
+                print("NO RESPONSE")
+    if not running:
+        break
diff --git a/bin/tests/system/dnssec/clean.sh b/bin/tests/system/dnssec/clean.sh
new file mode 100644
index 0000000..1a933ad
--- /dev/null
+++ b/bin/tests/system/dnssec/clean.sh
@@ -0,0 +1,117 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+rm -f ./*/K* ./*/keyset-* ./*/dsset-* ./*/signedkey-* ./*/*.signed
+rm -f ./*/example.bk
+rm -f ./*/named.conf
+rm -f ./*/named.memstats
+rm -f ./*/named.run ./*/named.run.prev
+rm -f ./*/named.secroots
+rm -f ./*/tmp* ./*/*.jnl ./*/*.bk ./*/*.jbk
+rm -f ./*/trusted.conf ./*/managed.conf ./*/revoked.conf
+rm -f ./Kexample.* ./Kkeygen* ./keygen*.err
+rm -f ./ans10/query.log ./ans10/ans.run
+rm -f ./canonical?.*
+rm -f ./delv.out*
+rm -f ./delve.out*
+rm -f ./dig.out.*
+rm -f ./ns2/too-many-iterations.db
+rm -f ./dnssectools.out*
+rm -f ./dsfromkey.out.*
+rm -f ./keygen.err
+rm -f ./named.secroots.test*
+rm -f ./nosign.before
+rm -f ./ns*/*.nta
+rm -f ./ns*/managed-keys.bind ./ns*/managed-keys.bind.jnl ./ns*/*.mkeys*
+rm -f ./ns*/named.lock
+rm -f ./ns1/managed.key.id
+rm -f ./ns1/root.db ./ns2/example.db ./ns2/managed.db ./ns2/trusted.db
+rm -f ./ns1/trusted.keys
+rm -f ./ns2/algroll.db
+rm -f ./ns2/badparam.db ./ns2/badparam.db.bad
+rm -f ./ns2/cdnskey-kskonly.secure.db
+rm -f ./ns2/cdnskey-kskonly.secure.id
+rm -f ./ns2/cdnskey-update.secure.db
+rm -f ./ns2/cdnskey-x.secure.db
+rm -f ./ns2/cdnskey.secure.db
+rm -f ./ns2/cds-auto.secure.db ./ns2/cds-auto.secure.db.jnl
+rm -f ./ns2/cds-kskonly.secure.db
+rm -f ./ns2/cds-kskonly.secure.id
+rm -f ./ns2/cds-update.secure.db ./ns2/cds-update.secure.db.jnl
+rm -f ./ns2/cds.secure.db ./ns2/cds-x.secure.db
+rm -f ./ns2/in-addr.arpa.db
+rm -f ./ns2/nsec3chain-test.db
+rm -f ./ns2/single-nsec3.db
+rm -f ./ns2/updatecheck-kskonly.secure.*
+rm -f ./ns3/auto-nsec.example.db ./ns3/auto-nsec3.example.db
+rm -f ./ns3/badds.example.db
+rm -f ./ns3/dname-at-apex-nsec3.example.db
+rm -f ./ns3/dnskey-nsec3-unknown.example.db
+rm -f ./ns3/dnskey-nsec3-unknown.example.db.tmp
+rm -f ./ns3/dnskey-unknown.example.db
+rm -f ./ns3/dnskey-unknown.example.db.tmp
+rm -f ./ns3/dnskey-unsupported-2.example.db
+rm -f ./ns3/dnskey-unsupported-2.example.db.tmp
+rm -f ./ns3/dnskey-unsupported.example.db
+rm -f ./ns3/dnskey-unsupported.example.db.tmp
+rm -f ./ns3/dynamic.example.db ./ns3/dynamic.example.db.signed.jnl
+rm -f ./ns3/expired.example.db ./ns3/update-nsec3.example.db
+rm -f ./ns3/expiring.example.db ./ns3/nosign.example.db
+rm -f ./ns3/future.example.db ./ns3/trusted-future.key
+rm -f ./ns3/inline.example.db.signed
+rm -f ./ns3/kskonly.example.db
+rm -f ./ns3/lower.example.db ./ns3/upper.example.db ./ns3/upper.example.db.lower
+rm -f ./ns3/managed-future.example.db
+rm -f ./ns3/multiple.example.db ./ns3/nsec3-unknown.example.db ./ns3/nsec3.example.db
+rm -f ./ns3/nsec3.nsec3.example.db
+rm -f ./ns3/nsec3.optout.example.db
+rm -f ./ns3/occluded.example.db
+rm -f ./ns3/optout-unknown.example.db ./ns3/optout.example.db
+rm -f ./ns3/optout.nsec3.example.db
+rm -f ./ns3/optout.optout.example.db
+rm -f ./ns3/publish-inactive.example.db
+rm -f ./ns3/revkey.example.db
+rm -f ./ns3/rsasha256.example.db ./ns3/rsasha512.example.db
+rm -f ./ns3/secure.below-cname.example.db
+rm -f ./ns3/secure.example.db ./ns3/*.managed.db ./ns3/*.trusted.db
+rm -f ./ns3/secure.nsec3.example.db
+rm -f ./ns3/secure.optout.example.db
+rm -f ./ns3/siginterval.conf
+rm -f ./ns3/siginterval.example.db
+rm -f ./ns3/split-dnssec.example.db
+rm -f ./ns3/split-smart.example.db
+rm -f ./ns3/ttlpatch.example.db ./ns3/ttlpatch.example.db.signed
+rm -f ./ns3/ttlpatch.example.db.patched
+rm -f ./ns3/unsecure.example.db ./ns3/bogus.example.db ./ns3/keyless.example.db
+rm -f ./ns3/unsupported.managed.db.tmp ./ns3/unsupported.trusted.db.tmp
+rm -f ./ns3/NSEC ./ns3/NSEC3
+rm -f ./ns4/named_dump.db*
+rm -f ./ns6/optout-tld.db
+rm -f ./ns7/multiple.example.bk ./ns7/nsec3.example.bk ./ns7/optout.example.bk
+rm -f ./ns7/split-rrsig.db ./ns7/split-rrsig.db.unsplit
+rm -f ./nsupdate.out*
+rm -f ./python.out.*
+rm -f ./rndc.out.*
+rm -f ./signer/*.db
+rm -f ./signer/*.signed.post*
+rm -f ./signer/*.signed.pre*
+rm -f ./signer/example.db.after ./signer/example.db.before
+rm -f ./signer/example.db.changed
+rm -f ./signer/general/dsset*
+rm -f ./signer/general/signed.zone
+rm -f ./signer/general/signer.out.*
+rm -f ./signer/nsec3param.out
+rm -f ./signer/signer.out.*
+rm -f ./signing.out*
diff --git a/bin/tests/system/dnssec/dnssec_update_test.pl b/bin/tests/system/dnssec/dnssec_update_test.pl
new file mode 100644
index 0000000..a06c563
--- /dev/null
+++ b/bin/tests/system/dnssec/dnssec_update_test.pl
@@ -0,0 +1,99 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# DNSSEC Dynamic update test suite.
+#
+# Usage:
+#
+#   perl update_test.pl [-s server] [-p port] zone
+#
+# The server defaults to 127.0.0.1.
+# The port defaults to 53.
+#
+# Installation notes:
+#
+# This program uses the Net::DNS::Resolver module.
+# You can install it by saying
+#
+#    perl -MCPAN -e "install Net::DNS"
+#
+
+use Getopt::Std;
+use Net::DNS;
+use Net::DNS::Update;
+use Net::DNS::Resolver;
+
+$opt_s = "127.0.0.1";
+$opt_p = 53;
+
+getopt('s:p:');
+
+$res = new Net::DNS::Resolver;
+$res->nameservers($opt_s);
+$res->port($opt_p);
+$res->defnames(0); # Do not append default domain.
+
+@ARGV == 1 or die
+    "usage: perl update_test.pl [-s server] [-p port] zone\n";
+
+$zone = shift @ARGV;
+
+my $failures = 0;
+
+sub assert {
+    my ($cond, $explanation) = @_;
+    if (!$cond) {
+	print "Test Failed: $explanation ***\n";
+	$failures++
+    }
+}
+
+sub test {
+    my ($expected, @records) = @_;
+
+    my $update = new Net::DNS::Update("$zone");
+
+    foreach $rec (@records) {
+	$update->push(@$rec);
+    }
+
+    $reply = $res->send($update);
+
+    # Did it work?
+    if (defined $reply) {
+	my $rcode = $reply->header->rcode;
+        assert($rcode eq $expected, "expected $expected, got $rcode");
+    } else {
+	print "Update failed: ", $res->errorstring, "\n";
+    }
+}
+
+sub section {
+    my ($msg) = @_;
+    print "$msg\n";
+}
+
+section("Add a name");
+test("NOERROR", ["update", rr_add("a.$zone 300 A 73.80.65.49")]);
+
+section("Delete the name");
+test("NOERROR", ["update", rr_del("a.$zone")]);
+
+if ($failures) {
+    print "$failures update tests failed.\n";
+} else {
+    print "All update tests successful.\n";
+}
+
+exit $failures;
diff --git a/bin/tests/system/dnssec/ns1/named.conf.in b/bin/tests/system/dnssec/ns1/named.conf.in
new file mode 100644
index 0000000..bd1ccc4
--- /dev/null
+++ b/bin/tests/system/dnssec/ns1/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+	/* test that we can turn off trust-anchor-telemetry */
+	trust-anchor-telemetry no;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/dnssec/ns1/root.db.in b/bin/tests/system/dnssec/ns1/root.db.in
new file mode 100644
index 0000000..526e36c
--- /dev/null
+++ b/bin/tests/system/dnssec/ns1/root.db.in
@@ -0,0 +1,37 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+.			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100	; serial
+				600		; refresh
+				600		; retry
+				1200		; expire
+				600		; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+algroll.		NS	ns2.algroll.
+ns2.algroll.		A	10.53.0.2
+managed.		NS	ns2.managed.
+ns2.managed.		A	10.53.0.2
+trusted.		NS	ns2.trusted.
+ns2.trusted.		A	10.53.0.2
+optout-tld		NS	ns6.optout-tld.
+ns6.optout-tld.		A	10.53.0.6
+in-addr.arpa.		NS	ns2.example.
+inprogress.		NS	ns10.inprogress.
+ns10.inprogress.	A	10.53.0.10
+too-many-iterations.	NS	ns2.too-many-iterations.
+ns2.too-many-iterations.	A	10.53.0.2
diff --git a/bin/tests/system/dnssec/ns1/sign.sh b/bin/tests/system/dnssec/ns1/sign.sh
new file mode 100644
index 0000000..21c6d71
--- /dev/null
+++ b/bin/tests/system/dnssec/ns1/sign.sh
@@ -0,0 +1,62 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+(cd ../ns2 && $SHELL sign.sh )
+(cd ../ns6 && $SHELL sign.sh )
+(cd ../ns7 && $SHELL sign.sh )
+
+echo_i "ns1/sign.sh"
+
+cp "../ns2/dsset-example." .
+cp "../ns2/dsset-in-addr.arpa." .
+cp "../ns2/dsset-too-many-iterations." .
+
+grep "$DEFAULT_ALGORITHM_NUMBER [12] " "../ns2/dsset-algroll." > "dsset-algroll."
+cp "../ns6/dsset-optout-tld." .
+
+ksk=$("$KEYGEN" -q -fk -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+zsk=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$ksk.key" "$zsk.key" > "$zonefile"
+
+"$SIGNER" -g -o "$zone" "$zonefile" > /dev/null 2>&1
+
+# Configure the resolving server with a staitc key.
+keyfile_to_static_ds "$ksk" > trusted.conf
+cp trusted.conf ../ns2/trusted.conf
+cp trusted.conf ../ns3/trusted.conf
+cp trusted.conf ../ns4/trusted.conf
+cp trusted.conf ../ns6/trusted.conf
+cp trusted.conf ../ns7/trusted.conf
+cp trusted.conf ../ns9/trusted.conf
+
+keyfile_to_trusted_keys "$ksk" > trusted.keys
+
+# ...or with an initializing key.
+keyfile_to_initial_ds "$ksk" > managed.conf
+cp managed.conf ../ns4/managed.conf
+
+#
+#  Save keyid for managed key id test.
+#
+
+keyfile_to_key_id "$ksk" > managed.key.id
diff --git a/bin/tests/system/dnssec/ns2/algroll.db.in b/bin/tests/system/dnssec/ns2/algroll.db.in
new file mode 100644
index 0000000..6f66fc9
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/algroll.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 30	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				30       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
diff --git a/bin/tests/system/dnssec/ns2/badparam.db.in b/bin/tests/system/dnssec/ns2/badparam.db.in
new file mode 100644
index 0000000..b18d186
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/badparam.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2010081000 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
diff --git a/bin/tests/system/dnssec/ns2/cdnskey-auto.secure.db.in b/bin/tests/system/dnssec/ns2/cdnskey-auto.secure.db.in
new file mode 100644
index 0000000..aa3aaab
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/cdnskey-auto.secure.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@	SOA	ns2.example. . 1 3600 1200 86400 1200
+@	NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns2/cdnskey-kskonly.secure.db.in b/bin/tests/system/dnssec/ns2/cdnskey-kskonly.secure.db.in
new file mode 100644
index 0000000..aa3aaab
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/cdnskey-kskonly.secure.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@	SOA	ns2.example. . 1 3600 1200 86400 1200
+@	NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns2/cdnskey-update.secure.db.in b/bin/tests/system/dnssec/ns2/cdnskey-update.secure.db.in
new file mode 100644
index 0000000..aa3aaab
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/cdnskey-update.secure.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@	SOA	ns2.example. . 1 3600 1200 86400 1200
+@	NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns2/cdnskey.secure.db.in b/bin/tests/system/dnssec/ns2/cdnskey.secure.db.in
new file mode 100644
index 0000000..aa3aaab
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/cdnskey.secure.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@	SOA	ns2.example. . 1 3600 1200 86400 1200
+@	NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns2/cds-auto.secure.db.in b/bin/tests/system/dnssec/ns2/cds-auto.secure.db.in
new file mode 100644
index 0000000..aa3aaab
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/cds-auto.secure.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@	SOA	ns2.example. . 1 3600 1200 86400 1200
+@	NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns2/cds-kskonly.secure.db.in b/bin/tests/system/dnssec/ns2/cds-kskonly.secure.db.in
new file mode 100644
index 0000000..aa3aaab
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/cds-kskonly.secure.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@	SOA	ns2.example. . 1 3600 1200 86400 1200
+@	NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns2/cds-update.secure.db.in b/bin/tests/system/dnssec/ns2/cds-update.secure.db.in
new file mode 100644
index 0000000..aa3aaab
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/cds-update.secure.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@	SOA	ns2.example. . 1 3600 1200 86400 1200
+@	NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns2/cds.secure.db.in b/bin/tests/system/dnssec/ns2/cds.secure.db.in
new file mode 100644
index 0000000..aa3aaab
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/cds.secure.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@	SOA	ns2.example. . 1 3600 1200 86400 1200
+@	NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns2/child.nsec3.example.db b/bin/tests/system/dnssec/ns2/child.nsec3.example.db
new file mode 100644
index 0000000..8fc3bc8
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/child.nsec3.example.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2006081400 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@			IN NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns2/child.optout.example.db b/bin/tests/system/dnssec/ns2/child.optout.example.db
new file mode 100644
index 0000000..8fc3bc8
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/child.optout.example.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2006081400 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@			IN NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns2/corp.db b/bin/tests/system/dnssec/ns2/corp.db
new file mode 100644
index 0000000..b2912bc
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/corp.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 30	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				30       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+
+www			A	10.0.0.1
diff --git a/bin/tests/system/dnssec/ns2/dst.example.db.in b/bin/tests/system/dnssec/ns2/dst.example.db.in
new file mode 100644
index 0000000..0039484
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/dst.example.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2.example.
+a			A	10.0.0.1
diff --git a/bin/tests/system/dnssec/ns2/example.db.in b/bin/tests/system/dnssec/ns2/example.db.in
new file mode 100644
index 0000000..f711f58
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/example.db.in
@@ -0,0 +1,171 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			NS	ns3
+ns2			A	10.53.0.2
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+
+; Used for testing ANY queries
+foo			TXT	"testing"
+foo			A	10.0.1.0
+
+bad-cname		CNAME   a
+bad-dname		DNAME   @
+
+; Used for testing CNAME queries
+cname1			CNAME	cname1-target
+cname1-target		TXT	"testing cname"
+
+cname2			CNAME	cname2-target
+cname2-target		TXT	"testing cname"
+
+; Used for testing DNAME queries
+dname1			DNAME	dname1-target
+foo.dname1-target	TXT	"testing dname"
+
+dname2			DNAME	dname2-target
+foo.dname2-target	TXT	"testing dname"
+
+; A secure subdomain
+secure			NS	ns3.secure
+ns3.secure		A	10.53.0.3
+
+; An insecure subdomain
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.3
+
+; A second insecure subdomain
+insecure2		NS	ns.insecure2
+ns.insecure2		A	10.53.0.3
+
+; A secure subdomain we're going to inject bogus data into
+bogus			NS	ns.bogus
+ns.bogus		A	10.53.0.3
+
+; A subdomain with a corrupt DS
+badds			NS	ns.badds
+ns.badds		A	10.53.0.3
+
+; A dynamic secure subdomain
+dynamic			NS	dynamic
+dynamic			A	10.53.0.3
+
+; A insecure subdomain
+mustbesecure		NS	ns.mustbesecure
+ns.mustbesecure		A	10.53.0.3
+
+; A subdomain with expired signatures
+expired			NS	ns.expired
+ns.expired		A	10.53.0.3
+
+; A rfc2535 signed zone w/ CNAME
+rfc2535			NS	ns.rfc2535
+ns.rfc2535		A	10.53.0.3
+
+z			A	10.0.0.26
+
+keyless			NS	ns.keyless
+ns.keyless		A	10.53.0.3
+
+nsec3			NS	ns.nsec3
+ns.nsec3		A	10.53.0.3
+
+optout			NS	ns.optout
+ns.optout		A	10.53.0.3
+
+nsec3-unknown		NS	ns.nsec3-unknown
+ns.nsec3-unknown	A	10.53.0.3
+
+optout-unknown		NS	ns.optout-unknown
+ns.optout-unknown	A	10.53.0.3
+
+dnskey-unknown		NS	ns.dnskey-unknown
+ns.dnskey-unknown	A	10.53.0.3
+
+dnskey-unsupported	NS	ns.dnskey-unsupported
+ns.dnskey-unsupported	A	10.53.0.3
+
+dnskey-nsec3-unknown	NS	ns.dnskey-nsec3-unknown
+ns.dnskey-nsec3-unknown	A	10.53.0.3
+
+multiple		NS	ns.multiple
+ns.multiple		A	10.53.0.3
+
+*.wild			A	10.0.0.27
+
+rsasha256		NS	ns.rsasha256
+ns.rsasha256		A	10.53.0.3
+
+rsasha512		NS	ns.rsasha512
+ns.rsasha512		A	10.53.0.3
+
+kskonly			NS	ns.kskonly
+ns.kskonly		A	10.53.0.3
+
+update-nsec3		NS	ns.update-nsec3
+ns.update-nsec3		A	10.53.0.3
+
+auto-nsec		NS	ns.auto-nsec
+ns.auto-nsec		A	10.53.0.3
+
+auto-nsec3		NS	ns.auto-nsec3
+ns.auto-nsec3		A	10.53.0.3
+
+
+below-cname		CNAME	some.where.else.
+
+insecure.below-cname	NS	ns.insecure.below-cname
+ns.insecure.below-cname	A	10.53.0.3
+
+secure.below-cname	NS	ns.secure.below-cname
+ns.secure.below-cname	A	10.53.0.3
+
+ttlpatch		NS	ns.ttlpatch
+ns.ttlpatch		A	10.53.0.3
+
+split-dnssec		NS	ns.split-dnssec
+ns.split-dnssec		A	10.53.0.3
+
+split-smart		NS	ns.split-smart
+ns.split-smart		A	10.53.0.3
+
+upper			NS	ns.upper
+ns.upper		A	10.53.0.3
+
+LOWER			NS	NS.LOWER
+NS.LOWER		A	10.53.0.3
+
+expiring                 NS      ns.expiring
+ns.expiring              A       10.53.0.3
+
+future			NS	ns.future
+ns.future		A	10.53.0.3
+
+managed-future		NS	ns.managed-future
+ns.managed-future	A	10.53.0.3
+
+revkey			NS	ns.revkey
+ns.revkey		A	10.53.0.3
+
+dname-at-apex-nsec3	NS	ns3
diff --git a/bin/tests/system/dnssec/ns2/hours-vs-days.db.in b/bin/tests/system/dnssec/ns2/hours-vs-days.db.in
new file mode 100644
index 0000000..5ec8801
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/hours-vs-days.db.in
@@ -0,0 +1,167 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			NS	ns3
+ns2			A	10.53.0.2
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+
+; Used for testing ANY queries
+foo			TXT	"testing"
+foo			A	10.0.1.0
+
+bad-cname		CNAME   a
+bad-dname		DNAME   @
+
+; Used for testing CNAME queries
+cname1			CNAME	cname1-target
+cname1-target		TXT	"testing cname"
+
+cname2			CNAME	cname2-target
+cname2-target		TXT	"testing cname"
+
+; Used for testing DNAME queries
+dname1			DNAME	dname1-target
+foo.dname1-target	TXT	"testing dname"
+
+dname2			DNAME	dname2-target
+foo.dname2-target	TXT	"testing dname"
+
+; A secure subdomain
+secure			NS	ns3.secure
+ns3.secure		A	10.53.0.3
+
+; An insecure subdomain
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.3
+
+; A secure subdomain we're going to inject bogus data into
+bogus			NS	ns.bogus
+ns.bogus		A	10.53.0.3
+
+; A subdomain with a corrupt DS
+badds			NS	ns.badds
+ns.badds		A	10.53.0.3
+
+; A dynamic secure subdomain
+dynamic			NS	dynamic
+dynamic			A	10.53.0.3
+
+; A insecure subdomain
+mustbesecure		NS	ns.mustbesecure
+ns.mustbesecure		A	10.53.0.3
+
+; A subdomain with expired signatures
+expired			NS	ns.expired
+ns.expired		A	10.53.0.3
+
+; A rfc2535 signed zone w/ CNAME
+rfc2535			NS	ns.rfc2535
+ns.rfc2535		A	10.53.0.3
+
+z			A	10.0.0.26
+
+keyless			NS	ns.keyless
+ns.keyless		A	10.53.0.3
+
+nsec3			NS	ns.nsec3
+ns.nsec3		A	10.53.0.3
+
+optout			NS	ns.optout
+ns.optout		A	10.53.0.3
+
+nsec3-unknown		NS	ns.nsec3-unknown
+ns.nsec3-unknown	A	10.53.0.3
+
+optout-unknown		NS	ns.optout-unknown
+ns.optout-unknown	A	10.53.0.3
+
+dnskey-unknown		NS	ns.dnskey-unknown
+ns.dnskey-unknown	A	10.53.0.3
+
+dnskey-unsupported	NS	ns.dnskey-unsupported
+ns.dnskey-unsupported	A	10.53.0.3
+
+dnskey-nsec3-unknown	NS	ns.dnskey-nsec3-unknown
+ns.dnskey-nsec3-unknown	A	10.53.0.3
+
+multiple		NS	ns.multiple
+ns.multiple		A	10.53.0.3
+
+*.wild			A	10.0.0.27
+
+rsasha256		NS	ns.rsasha256
+ns.rsasha256		A	10.53.0.3
+
+rsasha512		NS	ns.rsasha512
+ns.rsasha512		A	10.53.0.3
+
+kskonly			NS	ns.kskonly
+ns.kskonly		A	10.53.0.3
+
+update-nsec3		NS	ns.update-nsec3
+ns.update-nsec3		A	10.53.0.3
+
+auto-nsec		NS	ns.auto-nsec
+ns.auto-nsec		A	10.53.0.3
+
+auto-nsec3		NS	ns.auto-nsec3
+ns.auto-nsec3		A	10.53.0.3
+
+
+below-cname		CNAME	some.where.else.
+
+insecure.below-cname	NS	ns.insecure.below-cname
+ns.insecure.below-cname	A	10.53.0.3
+
+secure.below-cname	NS	ns.secure.below-cname
+ns.secure.below-cname	A	10.53.0.3
+
+ttlpatch		NS	ns.ttlpatch
+ns.ttlpatch		A	10.53.0.3
+
+split-dnssec		NS	ns.split-dnssec
+ns.split-dnssec		A	10.53.0.3
+
+split-smart		NS	ns.split-smart
+ns.split-smart		A	10.53.0.3
+
+upper			NS	ns.upper
+ns.upper		A	10.53.0.3
+
+LOWER			NS	NS.LOWER
+NS.LOWER		A	10.53.0.3
+
+expiring                 NS      ns.expiring
+ns.expiring              A       10.53.0.3
+
+future			NS	ns.future
+ns.future		A	10.53.0.3
+
+managed-future		NS	ns.managed-future
+ns.managed-future	A	10.53.0.3
+
+revkey			NS	ns.revkey
+ns.revkey		A	10.53.0.3
+
+dname-at-apex-nsec3	NS	ns3
diff --git a/bin/tests/system/dnssec/ns2/in-addr.arpa.db.in b/bin/tests/system/dnssec/ns2/in-addr.arpa.db.in
new file mode 100644
index 0000000..874b915
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/in-addr.arpa.db.in
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@	SOA	ns2.example. . 1 3600 1200 86400 1200
+@	NS	ns2.example.
+;
+;	As we are testing empty zone behaviour ns3 doesn't need to be
+;	configured to serve 10.in-addr.arpa.
+;
+10	NS	ns3.example.
diff --git a/bin/tests/system/dnssec/ns2/insecure.secure.example.db b/bin/tests/system/dnssec/ns2/insecure.secure.example.db
new file mode 100644
index 0000000..62862f5
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/insecure.secure.example.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/dnssec/ns2/key.db.in b/bin/tests/system/dnssec/ns2/key.db.in
new file mode 100644
index 0000000..2ff5df4
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/key.db.in
@@ -0,0 +1,45 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+
+; A secure subdomain
+secure			NS	ns3.secure
+ns3.secure		A	10.53.0.3
+
+; A subdomain that is signed with an unsupported algorithm
+unsupported		NS	ns3.unsupported
+ns3.unsupported		A	10.53.0.3
+
+; A secure subdomain with a disabled algorithm
+disabled		NS	ns3.disabled
+ns3.disabled		A	10.53.0.3
+
+; A secure subdomain with a disabled algorithm, but not in bailiwick
+enabled			NS	ns3.enabled
+ns3.enabled		A	10.53.0.3
+
+; A secure subdomain with a revoked trust anchor
+revoked			NS	ns3.revoked
+ns3.revoked		A	10.53.0.3
diff --git a/bin/tests/system/dnssec/ns2/named.conf.in b/bin/tests/system/dnssec/ns2/named.conf.in
new file mode 100644
index 0000000..94928c1
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/named.conf.in
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+	notify-delay 1;
+	minimal-responses no;
+};
+
+key rndc_key {
+        secret "1234abcd8765";
+        algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+        inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "trusted" {
+	type primary;
+	file "trusted.db.signed";
+};
+
+zone "managed" {
+	type primary;
+	file "managed.db.signed";
+};
+
+zone "example" {
+	type primary;
+	file "example.db.signed";
+	allow-update { any; };
+};
+
+zone "insecure.secure.example" {
+	type primary;
+	file "insecure.secure.example.db";
+	allow-update { any; };
+};
+
+zone "rfc2335.example" {
+	type primary;
+	file "rfc2335.example.db";
+};
+
+zone "child.nsec3.example" {
+	type primary;
+	file "child.nsec3.example.db";
+	allow-update { none; };
+};
+
+zone "child.optout.example" {
+	type primary;
+	file "child.optout.example.db";
+	allow-update { none; };
+};
+
+zone "badparam" {
+	type primary;
+	file "badparam.db.bad";
+};
+
+zone "single-nsec3" {
+	type primary;
+	file "single-nsec3.db.signed";
+};
+
+zone "algroll" {
+	type primary;
+	file "algroll.db.signed";
+};
+
+zone "nsec3chain-test" {
+	type primary;
+	file "nsec3chain-test.db.signed";
+	allow-update {any;};
+};
+
+zone "in-addr.arpa" {
+	type primary;
+	file "in-addr.arpa.db.signed";
+};
+
+zone "cds.secure" {
+	type primary;
+	file "cds.secure.db.signed";
+};
+
+zone "cds-x.secure" {
+	type primary;
+	file "cds-x.secure.db.signed";
+};
+
+zone "cds-update.secure" {
+	type primary;
+	dnssec-dnskey-kskonly no;
+	file "cds-update.secure.db.signed";
+	allow-update { any; };
+};
+
+zone "cds-kskonly.secure" {
+	type primary;
+	dnssec-dnskey-kskonly yes;
+	file "cds-kskonly.secure.db.signed";
+	allow-update { any; };
+};
+
+zone "cds-auto.secure" {
+	type primary;
+	dnssec-dnskey-kskonly no;
+	file "cds-auto.secure.db.signed";
+	auto-dnssec maintain;
+	allow-update { any; };
+};
+
+zone "cdnskey.secure" {
+	type primary;
+	file "cdnskey.secure.db.signed";
+};
+
+zone "cdnskey-x.secure" {
+	type primary;
+	file "cdnskey-x.secure.db.signed";
+};
+
+zone "cdnskey-update.secure" {
+	type primary;
+	dnssec-dnskey-kskonly no;
+	file "cdnskey-update.secure.db.signed";
+	allow-update { any; };
+};
+
+zone "cdnskey-kskonly.secure" {
+	type primary;
+	dnssec-dnskey-kskonly yes;
+	file "cdnskey-kskonly.secure.db.signed";
+	allow-update { any; };
+};
+
+zone "cdnskey-auto.secure" {
+	type primary;
+	dnssec-dnskey-kskonly no;
+	file "cdnskey-auto.secure.db.signed";
+	auto-dnssec maintain;
+	allow-update { any; };
+};
+
+zone "updatecheck-kskonly.secure" {
+	type primary;
+	auto-dnssec maintain;
+	key-directory ".";
+	dnssec-dnskey-kskonly yes;
+	update-check-ksk yes;
+	sig-validity-interval 10;
+	dnskey-sig-validity 40;
+	file "updatecheck-kskonly.secure.db.signed";
+	allow-update { any; };
+};
+
+zone "corp" {
+	type primary;
+	file "corp.db";
+};
+
+zone "hours-vs-days" {
+	type primary;
+	file "hours-vs-days.db.signed";
+	auto-dnssec maintain;
+	/* validity 500 days, resign in 499 days */
+	sig-validity-interval 500 499;
+	allow-update { any; };
+};
+
+zone "too-many-iterations" {
+	type primary;
+	file "too-many-iterations.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/dnssec/ns2/private.secure.example.db.in b/bin/tests/system/dnssec/ns2/private.secure.example.db.in
new file mode 100644
index 0000000..94042ae
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/private.secure.example.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.2
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+private2secure-nxdomain	CNAME	r.example.
+*.wild			CNAME   s.example.
diff --git a/bin/tests/system/dnssec/ns2/rfc2335.example.db b/bin/tests/system/dnssec/ns2/rfc2335.example.db
new file mode 100644
index 0000000..78e9326
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/rfc2335.example.db
@@ -0,0 +1,114 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; File written on Fri Apr 30 12:19:15 2004
+; dnssec_signzone version 9.2.4rc3
+rfc2335.example.	300	IN SOA	mname1. . (
+					2000042407 ; serial
+					20         ; refresh (20 seconds)
+					20         ; retry (20 seconds)
+					1814400    ; expire (3 weeks)
+					3600       ; minimum (1 hour)
+					)
+			300	SIG	SOA 1 2 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					nGPJKIzF7X/hMJbZURRz59UeEi/6HRxCn9Er
+					GqSnpw0Ea9Yx5Axu6sLKnF7jXlkZ6NHMCIpJ
+					+Lv+FDHXTs/dQg== )
+			300	NS	ns.rfc2335.example.
+			300	SIG	NS 1 2 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					Q234AL9dJYMvxdWG33lpww6AJ3GplKp+ace7
+					MUaj0oqDdkx4DtJF2XaP2xcqq7kTOObdQ8ES
+					vVxNThqOx7LFzg== )
+			300	KEY	256 3 1 (
+					AQPZhzXIabI8y5ihWUw7F0WxN2MabnYWkOcV
+					Fn11NgaGSdjBSYPRMMwMCasD5N2KYPRUP83W
+					y8mj+ofcoW1FurcZ
+					) ; key id = 47799
+			300	NXT	a.rfc2335.example. NS SOA SIG KEY NXT
+			300	SIG	NXT 1 2 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					Y587mqNy6pBEfbsU6+weM2XRSqLwLwRT9Sl7
+					oNuOK9kV3TR4R2M54m2S0MgJCXbRAwU+fF8Q
+					UbZkSTVe2N8Nyg== )
+a.rfc2335.example.	300	IN A	10.0.0.1
+			300	SIG	A 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					FnfWrcw5ire8ut25504zti5l///BdDMUAkJZ
+					UCLFiTW4lBGMcq1pqz64zltDZXCgJ3xUeQ2i
+					nRt19/ZxO6Z1KA== )
+			300	NXT	b.rfc2335.example. A SIG NXT
+			300	SIG	NXT 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					R6SpC3ndMVg4u/eZaaUsXSuMHV/hZXeaM/Op
+					bJLAe3KxMiOHfb6XgLy7wflAiC1xt6A9bWpy
+					kTc5T5gfic33kA== )
+b.rfc2335.example.	300	IN A	10.0.0.2
+			300	SIG	A 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					zjRsYXMGyhDI6ipDtu8YXC9XPN+3hGamzzxL
+					8uPE/LPo+x19MNdbzEgWzlajAf1/mkSGr2jN
+					BDMVBA5NMKpwAA== )
+			300	NXT	d.rfc2335.example. A SIG NXT
+			300	SIG	NXT 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					aV87iZCYsC5Tqop827Zzb18TNqopGt0QynkR
+					gIF/lIHqZasNFRfaS1/nTnXdDKD8JS5IqxKb
+					oTJr5zswDAtCEw== )
+d.rfc2335.example.	300	IN A	10.0.0.4
+			300	SIG	A 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					NsKyvhUYZxTbOTBX4YwxTxevI5iGBpULKwmt
+					+D4l00ME4XRygOVmiqVDTT9dF1EgjDxOdfMT
+					hSjtCh5M1b2f6g== )
+			300	NXT	ns.rfc2335.example. A SIG NXT
+			300	SIG	NXT 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					OGqlvSDZIZdHYigh4UAFzXfPze7vcQfgj7sN
+					+cAeoh4BL1gpa00DqANCxowNCYluDk3ZCDwt
+					UHZEJa8ZjNvv4g== )
+ns.rfc2335.example.	300	IN A	10.53.0.3
+			300	SIG	A 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					T6ZGeUWflLTku8jO23x/TeAPeUl8t0I18FCh
+					qHUZaHomLQasQ2jlZQn6cLpFd2uFJkBNxZ0G
+					I39aG7G1bObXdA== )
+			300	NXT	x.rfc2335.example. A SIG NXT
+			300	SIG	NXT 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					l46mrf3/Ii5iRm3AiDjYeMg4ZXBgitHxXA2y
+					e/NhKpkxRRpCs7UQ94wT/RiSCjjK49E5FBe6
+					5bRxtWq0GI7zlg== )
+x.rfc2335.example.	300	IN CNAME a.rfc2335.example.
+			300	SIG	CNAME 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					L3IOluq+kboBd2gR2Mu54uJKCUzfmyHRiWKl
+					kfx+vuFr0I8mEHQRmJtouxNDrBzmzGp5vybK
+					SdabLWw0n6uQEA== )
+			300	NXT	z.rfc2335.example. CNAME SIG NXT
+			300	SIG	NXT 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					CBKoJSkZzdpwiON7JS4yPFY5VVeBjfT19x/O
+					vx+5UK1JZUNKhTXWWgW1er+JlLzNf4Ot40+l
+					z9HUTyaeS0eWyw== )
+z.rfc2335.example.	300	IN A	10.0.0.26
+			300	SIG	A 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					ccqjVHnehvVwlNNd4+7n/GzGlRjj+ul0gCT3
+					X3950LTccxHsOFyjNNm8v/Ho/aurSYdqXEjY
+					jwmjC6elwkzB7A== )
+			300	NXT	rfc2335.example. A SIG NXT
+			300	SIG	NXT 1 3 300 20040530021915 (
+					20040430021915 47799 rfc2335.example.
+					W42WoFyd9erysv8HjKo+CpHIH1x6+pAKwCDO
+					/hHnkEpQI3brewxl7cWOPYeA92Ns80Ody/ui
+					m2E28A5gnmWqPw== )
diff --git a/bin/tests/system/dnssec/ns2/sign.sh b/bin/tests/system/dnssec/ns2/sign.sh
new file mode 100644
index 0000000..47248a4
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/sign.sh
@@ -0,0 +1,332 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+# Sign child zones (served by ns3).
+( cd ../ns3 && $SHELL sign.sh )
+
+echo_i "ns2/sign.sh"
+
+# Get the DS records for the "trusted." and "managed." zones.
+for subdomain in secure unsupported disabled enabled
+do
+	cp "../ns3/dsset-$subdomain.managed." .
+	cp "../ns3/dsset-$subdomain.trusted." .
+done
+
+# Sign the "trusted." and "managed." zones.
+zone=managed.
+infile=key.db.in
+zonefile=managed.db
+
+keyname1=$("$KEYGEN" -q -a "$ALTERNATIVE_ALGORITHM" -b "$ALTERNATIVE_BITS" -n zone -f KSK "$zone")
+keyname2=$("$KEYGEN" -q -a "$ALTERNATIVE_ALGORITHM" -b "$ALTERNATIVE_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname1.key" "$keyname2.key" > "$zonefile"
+
+"$SIGNER" -g -o "$zone" -k "$keyname1" "$zonefile" "$keyname2" > /dev/null 2>&1
+
+zone=trusted.
+infile=key.db.in
+zonefile=trusted.db
+
+keyname1=$("$KEYGEN" -q -a "$ALTERNATIVE_ALGORITHM" -b "$ALTERNATIVE_BITS" -n zone -f KSK "$zone")
+keyname2=$("$KEYGEN" -q -a "$ALTERNATIVE_ALGORITHM" -b "$ALTERNATIVE_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname1.key" "$keyname2.key" > "$zonefile"
+
+"$SIGNER" -g -o "$zone" -k "$keyname1" "$zonefile" "$keyname2" > /dev/null 2>&1
+
+# The "example." zone.
+zone=example.
+infile=example.db.in
+zonefile=example.db
+
+# Get the DS records for the "example." zone.
+for subdomain in secure badds bogus dynamic keyless nsec3 optout \
+	nsec3-unknown optout-unknown multiple rsasha256 rsasha512 \
+	kskonly update-nsec3 auto-nsec auto-nsec3 secure.below-cname \
+	ttlpatch split-dnssec split-smart expired expiring upper lower \
+	dnskey-unknown dnskey-unsupported dnskey-unsupported-2 \
+	dnskey-nsec3-unknown managed-future revkey \
+	dname-at-apex-nsec3 occluded
+do
+	cp "../ns3/dsset-$subdomain.example." .
+done
+
+# Sign the "example." zone.
+keyname1=$("$KEYGEN" -q -a "$ALTERNATIVE_ALGORITHM" -b "$ALTERNATIVE_BITS" -n zone -f KSK "$zone")
+keyname2=$("$KEYGEN" -q -a "$ALTERNATIVE_ALGORITHM" -b "$ALTERNATIVE_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname1.key" "$keyname2.key" > "$zonefile"
+
+"$SIGNER" -g -o "$zone" -k "$keyname1" "$zonefile" "$keyname2" > /dev/null 2>&1
+
+#
+# lower/uppercase the signature bits with the exception of the last characters
+# changing the last 4 characters will lead to a bad base64 encoding.
+#
+
+zonefiletmp=$(mktemp "$zonefile.XXXXXX") || exit 1
+"$CHECKZONE" -D -q -i local "$zone" "$zonefile.signed" |
+awk '
+tolower($1) == "bad-cname.example." && $4 == "RRSIG" && $5 == "CNAME" {
+	for (i = 1; i <= NF; i++ ) {
+		if (i <= 12) {
+			printf("%s ", $i);
+			continue;
+		}
+		prefix = substr($i, 1, length($i) - 4);
+		suffix = substr($i, length($i) - 4, 4);
+		if (i > 12 && tolower(prefix) != prefix)
+			printf("%s%s", tolower(prefix), suffix);
+		else if (i > 12 && toupper(prefix) != prefix)
+			printf("%s%s", toupper(prefix), suffix);
+		else
+			printf("%s%s ", prefix, suffix);
+	}
+	printf("\n");
+	next;
+}
+
+tolower($1) == "bad-dname.example." && $4 == "RRSIG" && $5 == "DNAME" {
+	for (i = 1; i <= NF; i++ ) {
+		if (i <= 12) {
+			printf("%s ", $i);
+			continue;
+		}
+		prefix = substr($i, 1, length($i) - 4);
+		suffix = substr($i, length($i) - 4, 4);
+		if (i > 12 && tolower(prefix) != prefix)
+			printf("%s%s", tolower(prefix), suffix);
+		else if (i > 12 && toupper(prefix) != prefix)
+			printf("%s%s", toupper(prefix), suffix);
+		else
+			printf("%s%s ", prefix, suffix);
+	}
+	printf("\n");
+	next;
+}
+
+{ print; }' > "$zonefiletmp" && mv "$zonefiletmp" "$zonefile.signed"
+
+#
+# signed in-addr.arpa w/ a delegation for 10.in-addr.arpa which is unsigned.
+#
+zone=in-addr.arpa.
+infile=in-addr.arpa.db.in
+zonefile=in-addr.arpa.db
+
+keyname1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+keyname2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname1.key" "$keyname2.key" > "$zonefile"
+"$SIGNER" -g -o "$zone" -k "$keyname1" "$zonefile" "$keyname2" > /dev/null 2>&1
+
+# Sign the badparam secure file
+
+zone=badparam.
+infile=badparam.db.in
+zonefile=badparam.db
+
+keyname1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+keyname2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname1.key" "$keyname2.key" > "$zonefile"
+
+"$SIGNER" -3 - -H 1 -g -o "$zone" -k "$keyname1" "$zonefile" "$keyname2" > /dev/null 2>&1
+
+sed -e 's/IN NSEC3 1 0 1 /IN NSEC3 1 0 10 /' "$zonefile.signed" > "$zonefile.bad"
+
+# Sign the single-nsec3 secure zone with optout
+
+zone=single-nsec3.
+infile=single-nsec3.db.in
+zonefile=single-nsec3.db
+
+keyname1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+keyname2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname1.key" "$keyname2.key" > "$zonefile"
+
+"$SIGNER" -3 - -A -H 1 -g -o "$zone" -k "$keyname1" "$zonefile" "$keyname2" > /dev/null 2>&1
+
+#
+# algroll has just has the old DNSKEY records removed and is waiting
+# for them to be flushed from caches.  We still need to generate
+# RRSIGs for the old DNSKEY.
+#
+zone=algroll.
+infile=algroll.db.in
+zonefile=algroll.db
+
+keyold1=$("$KEYGEN" -q -a "$ALTERNATIVE_ALGORITHM" -b "$ALTERNATIVE_BITS" -n zone -f KSK "$zone")
+keyold2=$("$KEYGEN" -q -a "$ALTERNATIVE_ALGORITHM" -b "$ALTERNATIVE_BITS" -n zone "$zone")
+keynew1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+keynew2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keynew1.key" "$keynew2.key" > "$zonefile"
+
+"$SIGNER" -o "$zone" -k "$keyold1" -k "$keynew1" "$zonefile" "$keyold1" "$keyold2" "$keynew1" "$keynew2" > /dev/null 2>&1
+
+#
+# Make a zone big enough that it takes several seconds to generate a new
+# nsec3 chain.
+#
+zone=nsec3chain-test
+zonefile=nsec3chain-test.db
+cat > "$zonefile" << EOF
+\$TTL 10
+@	10	SOA	ns2 hostmaster 0 3600 1200 864000 1200
+@	10	NS	ns2
+@	10	NS	ns3
+ns2	10	A	10.53.0.2
+ns3	10	A	10.53.0.3
+EOF
+i=1
+while [ $i -le 300 ]; do
+    echo "host$i 10 IN NS ns.elsewhere"
+    i=$((i+1))
+done >> "$zonefile"
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+cat "$key1.key" "$key2.key" >> "$zonefile"
+"$SIGNER" -3 - -A -H 1 -g -o "$zone" -k "$key1" "$zonefile" "$key2" > /dev/null 2>&1
+
+zone=cds.secure
+infile=cds.secure.db.in
+zonefile=cds.secure.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+"$DSFROMKEY" -C "$key1.key" > "$key1.cds"
+cat "$infile" "$key1.key" "$key2.key" "$key1.cds" >$zonefile
+"$SIGNER" -g -o "$zone" "$zonefile" > /dev/null 2>&1
+
+zone=cds-x.secure
+infile=cds.secure.db.in
+zonefile=cds-x.secure.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key3=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+"$DSFROMKEY" -C "$key2.key" > "$key2.cds"
+cat "$infile" "$key1.key" "$key2.key" "$key3.key" "$key2.cds" > "$zonefile"
+"$SIGNER" -g -x -o "$zone" "$zonefile" > /dev/null 2>&1
+
+zone=cds-update.secure
+infile=cds-update.secure.db.in
+zonefile=cds-update.secure.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+cat "$infile" "$key1.key" "$key2.key" > "$zonefile"
+"$SIGNER" -g -o "$zone" "$zonefile" > /dev/null 2>&1
+
+zone=cds-kskonly.secure
+infile=cds-kskonly.secure.db.in
+zonefile=cds-kskonly.secure.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+cat "$infile" "$key1.key" "$key2.key" > "$zonefile"
+"$SIGNER" -g -o "$zone" "$zonefile" > /dev/null 2>&1
+keyfile_to_key_id "$key1" > cds-kskonly.secure.id
+
+zone=cds-auto.secure
+infile=cds-auto.secure.db.in
+zonefile=cds-auto.secure.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+$SETTIME -P sync now "$key1" > /dev/null
+cat "$infile" > "$zonefile.signed"
+
+zone=cdnskey.secure
+infile=cdnskey.secure.db.in
+zonefile=cdnskey.secure.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+sed 's/DNSKEY/CDNSKEY/' "$key1.key" > "$key1.cds"
+cat "$infile" "$key1.key" "$key2.key" "$key1.cds" > "$zonefile"
+"$SIGNER" -g -o "$zone" "$zonefile" > /dev/null 2>&1
+
+zone=cdnskey-x.secure
+infile=cdnskey.secure.db.in
+zonefile=cdnskey-x.secure.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key3=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+sed 's/DNSKEY/CDNSKEY/' "$key1.key" > "$key1.cds"
+cat "$infile" "$key1.key" "$key2.key" "$key3.key" "$key1.cds" > "$zonefile"
+"$SIGNER" -g -x -o "$zone" "$zonefile" > /dev/null 2>&1
+
+zone=cdnskey-update.secure
+infile=cdnskey-update.secure.db.in
+zonefile=cdnskey-update.secure.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+cat "$infile" "$key1.key" "$key2.key" > "$zonefile"
+"$SIGNER" -g -o "$zone" "$zonefile" > /dev/null 2>&1
+
+zone=cdnskey-kskonly.secure
+infile=cdnskey-kskonly.secure.db.in
+zonefile=cdnskey-kskonly.secure.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+cat "$infile" "$key1.key" "$key2.key" > "$zonefile"
+"$SIGNER" -g -o "$zone" "$zonefile" > /dev/null 2>&1
+keyfile_to_key_id "$key1" > cdnskey-kskonly.secure.id
+
+zone=cdnskey-auto.secure
+infile=cdnskey-auto.secure.db.in
+zonefile=cdnskey-auto.secure.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+$SETTIME -P sync now "$key1" > /dev/null
+cat "$infile" > "$zonefile.signed"
+
+zone=updatecheck-kskonly.secure
+infile=template.secure.db.in
+zonefile=${zone}.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+# Save key id's for checking active key usage
+keyfile_to_key_id "$key1" > $zone.ksk.id
+keyfile_to_key_id "$key2" > $zone.zsk.id
+echo "${key1}" > $zone.ksk.key
+echo "${key2}" > $zone.zsk.key
+# Add CDS and CDNSKEY records
+sed 's/DNSKEY/CDNSKEY/' "$key1.key" > "$key1.cdnskey"
+"$DSFROMKEY" -C "$key1.key" > "$key1.cds"
+cat "$infile" "$key1.key" "$key2.key" "$key1.cdnskey" "$key1.cds" > "$zonefile"
+# Don't sign, let auto-dnssec maintain do it.
+mv $zonefile "$zonefile.signed"
+
+zone=hours-vs-days
+infile=hours-vs-days.db.in
+zonefile=hours-vs-days.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+$SETTIME -P sync now "$key1" > /dev/null
+cat "$infile" > "$zonefile.signed"
+
+#
+# Negative result from this zone should come back as insecure.
+#
+zone=too-many-iterations
+infile=too-many-iterations.db.in
+zonefile=too-many-iterations.db
+key1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+key2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+cat "$infile" "$key1.key" "$key2.key" > "$zonefile"
+"$SIGNER" -P -3 - -H too-many -g -o "$zone" "$zonefile" > /dev/null 2>&1
diff --git a/bin/tests/system/dnssec/ns2/single-nsec3.db.in b/bin/tests/system/dnssec/ns2/single-nsec3.db.in
new file mode 100644
index 0000000..b2e3c13
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/single-nsec3.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns2.example. . (
+				2010042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2.example.
+delegation		NS	ns3.example.
diff --git a/bin/tests/system/dnssec/ns2/template.secure.db.in b/bin/tests/system/dnssec/ns2/template.secure.db.in
new file mode 100644
index 0000000..aa3aaab
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/template.secure.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@	SOA	ns2.example. . 1 3600 1200 86400 1200
+@	NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns2/too-many-iterations.db.in b/bin/tests/system/dnssec/ns2/too-many-iterations.db.in
new file mode 100644
index 0000000..1527e07
--- /dev/null
+++ b/bin/tests/system/dnssec/ns2/too-many-iterations.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 30	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				30       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+*.a			A	10.0.0.3
+b			A	10.0.0.2
+d			A	10.0.0.4
diff --git a/bin/tests/system/dnssec/ns3/auto-nsec.example.db.in b/bin/tests/system/dnssec/ns3/auto-nsec.example.db.in
new file mode 100644
index 0000000..a7792fd
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/auto-nsec.example.db.in
@@ -0,0 +1,40 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
+nosoa 			NS	ns.nosoa
+ns.nosoa		A	10.53.0.7
+
+normalthenrrsig		A	10.0.0.28
+rrsigonly		A	10.0.0.29
diff --git a/bin/tests/system/dnssec/ns3/auto-nsec3.example.db.in b/bin/tests/system/dnssec/ns3/auto-nsec3.example.db.in
new file mode 100644
index 0000000..a7792fd
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/auto-nsec3.example.db.in
@@ -0,0 +1,40 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
+nosoa 			NS	ns.nosoa
+ns.nosoa		A	10.53.0.7
+
+normalthenrrsig		A	10.0.0.28
+rrsigonly		A	10.0.0.29
diff --git a/bin/tests/system/dnssec/ns3/bogus.example.db.in b/bin/tests/system/dnssec/ns3/bogus.example.db.in
new file mode 100644
index 0000000..0feb441
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/bogus.example.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/dnssec/ns3/dname-at-apex-nsec3.example.db.in b/bin/tests/system/dnssec/ns3/dname-at-apex-nsec3.example.db.in
new file mode 100644
index 0000000..e758cdd
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/dname-at-apex-nsec3.example.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	600
+@	SOA	ns3.example. . 1 1200 1200 1814400 3600
+@	NS	ns3.example.
+@	DNAME	example.
diff --git a/bin/tests/system/dnssec/ns3/dnskey-nsec3-unknown.example.db.in b/bin/tests/system/dnssec/ns3/dnskey-nsec3-unknown.example.db.in
new file mode 100644
index 0000000..f37dd75
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/dnskey-nsec3-unknown.example.db.in
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.e			A	10.0.0.6
+child			NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns3/dnskey-unknown.example.db.in b/bin/tests/system/dnssec/ns3/dnskey-unknown.example.db.in
new file mode 100644
index 0000000..f37dd75
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/dnskey-unknown.example.db.in
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.e			A	10.0.0.6
+child			NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns3/dnskey-unsupported-2.example.db.in b/bin/tests/system/dnssec/ns3/dnskey-unsupported-2.example.db.in
new file mode 100644
index 0000000..f37dd75
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/dnskey-unsupported-2.example.db.in
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.e			A	10.0.0.6
+child			NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns3/dnskey-unsupported.example.db.in b/bin/tests/system/dnssec/ns3/dnskey-unsupported.example.db.in
new file mode 100644
index 0000000..f37dd75
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/dnskey-unsupported.example.db.in
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.e			A	10.0.0.6
+child			NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns3/dynamic.example.db.in b/bin/tests/system/dnssec/ns3/dynamic.example.db.in
new file mode 100644
index 0000000..babf54c
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/dynamic.example.db.in
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; This has the NS and glue at the apex because testing RT #2399
+; requires we have only one name in the zone at a certain point
+; during the test.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@			NS	@
+@			A	10.53.0.3
diff --git a/bin/tests/system/dnssec/ns3/expired.example.db.in b/bin/tests/system/dnssec/ns3/expired.example.db.in
new file mode 100644
index 0000000..b7706d3
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/expired.example.db.in
@@ -0,0 +1,44 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+			MX	10 mx
+ns			A	10.53.0.3
+mx 		 	A 	10.0.0.30
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
+nosoa 			NS	ns.nosoa
+ns.nosoa		A	10.53.0.7
+
+normalthenrrsig		A	10.0.0.28
+rrsigonly		A	10.0.0.29
+
+
diff --git a/bin/tests/system/dnssec/ns3/expiring.example.db.in b/bin/tests/system/dnssec/ns3/expiring.example.db.in
new file mode 100644
index 0000000..8acf7b1
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/expiring.example.db.in
@@ -0,0 +1,40 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+			MX	10 mx
+ns			A	10.53.0.3
+mx 		 	A 	10.0.0.30
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.wild			A	10.0.0.6
+child			NS	ns2.example.
+insecure		NS	ns.insecure
+ns.insecure 		A	10.53.0.3
+secure			NS	ns.secure
+ns.secure 		A	10.53.0.3
+nsec3			NS	ns.nsec3
+ns.nsec3 		A	10.53.0.3
+optout			NS	ns.optout
+ns.optout 		A	10.53.0.3
+02HC3EM7BDD011A0GMS3HKKJT2IF5VP8 A 10.0.0.17
diff --git a/bin/tests/system/dnssec/ns3/future.example.db.in b/bin/tests/system/dnssec/ns3/future.example.db.in
new file mode 100644
index 0000000..20c19c5
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/future.example.db.in
@@ -0,0 +1,40 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20	 ; refresh (20 seconds)
+				20	 ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.wild			A	10.0.0.6
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.3
+secure			NS	ns.secure
+ns.secure		A	10.53.0.3
+nsec3			NS	ns.nsec3
+ns.nsec3		A	10.53.0.3
+optout			NS	ns.optout
+ns.optout		A	10.53.0.3
+child			NS	ns2.example.
+insecure.empty		NS	ns.insecure.empty
+ns.insecure.empty	A	10.53.0.3
+foo.*.empty-wild	NS	ns
diff --git a/bin/tests/system/dnssec/ns3/generic.example.db.in b/bin/tests/system/dnssec/ns3/generic.example.db.in
new file mode 100644
index 0000000..5cc3ecc
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/generic.example.db.in
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a.b			A	10.0.0.1
diff --git a/bin/tests/system/dnssec/ns3/inline.example.db b/bin/tests/system/dnssec/ns3/inline.example.db
new file mode 100644
index 0000000..14971bd
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/inline.example.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/dnssec/ns3/insecure.below-cname.example.db b/bin/tests/system/dnssec/ns3/insecure.below-cname.example.db
new file mode 100644
index 0000000..14971bd
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/insecure.below-cname.example.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/dnssec/ns3/insecure.example.db b/bin/tests/system/dnssec/ns3/insecure.example.db
new file mode 100644
index 0000000..76e3f47
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/insecure.example.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			DNSKEY	258 3 5 Cg==
+z			A	10.0.0.26
diff --git a/bin/tests/system/dnssec/ns3/insecure.nsec3.example.db b/bin/tests/system/dnssec/ns3/insecure.nsec3.example.db
new file mode 100644
index 0000000..14971bd
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/insecure.nsec3.example.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/dnssec/ns3/insecure.optout.example.db b/bin/tests/system/dnssec/ns3/insecure.optout.example.db
new file mode 100644
index 0000000..14971bd
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/insecure.optout.example.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/dnssec/ns3/insecure2.example.db b/bin/tests/system/dnssec/ns3/insecure2.example.db
new file mode 100644
index 0000000..76e3f47
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/insecure2.example.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			DNSKEY	258 3 5 Cg==
+z			A	10.0.0.26
diff --git a/bin/tests/system/dnssec/ns3/key.db.in b/bin/tests/system/dnssec/ns3/key.db.in
new file mode 100644
index 0000000..0165e3f
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/key.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+
diff --git a/bin/tests/system/dnssec/ns3/kskonly.example.db.in b/bin/tests/system/dnssec/ns3/kskonly.example.db.in
new file mode 100644
index 0000000..0b11a00
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/kskonly.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+x			CNAME	a
diff --git a/bin/tests/system/dnssec/ns3/lower.example.db.in b/bin/tests/system/dnssec/ns3/lower.example.db.in
new file mode 100644
index 0000000..a04793e
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/lower.example.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	MNAME1. . (
+				2012042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@			NS	NS
+NS			A	10.53.0.3
diff --git a/bin/tests/system/dnssec/ns3/managed-future.example.db.in b/bin/tests/system/dnssec/ns3/managed-future.example.db.in
new file mode 100644
index 0000000..20c19c5
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/managed-future.example.db.in
@@ -0,0 +1,40 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20	 ; refresh (20 seconds)
+				20	 ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.wild			A	10.0.0.6
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.3
+secure			NS	ns.secure
+ns.secure		A	10.53.0.3
+nsec3			NS	ns.nsec3
+ns.nsec3		A	10.53.0.3
+optout			NS	ns.optout
+ns.optout		A	10.53.0.3
+child			NS	ns2.example.
+insecure.empty		NS	ns.insecure.empty
+ns.insecure.empty	A	10.53.0.3
+foo.*.empty-wild	NS	ns
diff --git a/bin/tests/system/dnssec/ns3/multiple.example.db.in b/bin/tests/system/dnssec/ns3/multiple.example.db.in
new file mode 100644
index 0000000..f37dd75
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/multiple.example.db.in
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.e			A	10.0.0.6
+child			NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns3/named.conf.in b/bin/tests/system/dnssec/ns3/named.conf.in
new file mode 100644
index 0000000..cdc6e02
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/named.conf.in
@@ -0,0 +1,383 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+	session-keyfile "session.key";
+	minimal-responses no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "example.bk";
+};
+
+zone "secure.example" {
+	type primary;
+	file "secure.example.db.signed";
+	allow-update { any; };
+};
+
+zone "bogus.example" {
+	type primary;
+	file "bogus.example.db.signed";
+	allow-update { any; };
+};
+
+zone "badds.example" {
+	type primary;
+	file "badds.example.db.signed";
+	allow-update { any; };
+};
+
+zone "dynamic.example" {
+	type primary;
+	file "dynamic.example.db.signed";
+	allow-update { any; };
+};
+
+zone "insecure.example" {
+	type primary;
+	file "insecure.example.db";
+	allow-update { any; };
+};
+
+zone "insecure2.example" {
+	type primary;
+	file "insecure2.example.db";
+	allow-update { any; };
+};
+
+zone "insecure.nsec3.example" {
+	type primary;
+	file "insecure.nsec3.example.db";
+	allow-update { any; };
+};
+
+zone "insecure.optout.example" {
+	type primary;
+	file "insecure.optout.example.db";
+	allow-update { any; };
+};
+
+zone "keyless.example" {
+	type primary;
+	file "keyless.example.db.signed";
+};
+
+zone "nsec3.example" {
+	type primary;
+	file "nsec3.example.db.signed";
+};
+
+zone "optout.nsec3.example" {
+	type primary;
+	file "optout.nsec3.example.db.signed";
+};
+
+zone "nsec3.nsec3.example" {
+	type primary;
+	file "nsec3.nsec3.example.db.signed";
+};
+
+zone "secure.nsec3.example" {
+	type primary;
+	file "secure.nsec3.example.db.signed";
+};
+
+zone "optout.example" {
+	type primary;
+	file "optout.example.db.signed";
+};
+
+zone "secure.optout.example" {
+	type primary;
+	file "secure.optout.example.db.signed";
+};
+
+zone "nsec3.optout.example" {
+	type primary;
+	file "nsec3.optout.example.db.signed";
+};
+
+zone "optout.optout.example" {
+	type primary;
+	file "optout.optout.example.db.signed";
+};
+
+zone "nsec3-unknown.example" {
+	type primary;
+	nsec3-test-zone yes;
+	file "nsec3-unknown.example.db.signed";
+};
+
+zone "optout-unknown.example" {
+	type primary;
+	nsec3-test-zone yes;
+	file "optout-unknown.example.db.signed";
+};
+
+zone "dnskey-unknown.example" {
+	type primary;
+	file "dnskey-unknown.example.db.signed";
+};
+
+zone "dnskey-unsupported.example" {
+	type primary;
+	file "dnskey-unsupported.example.db.signed";
+};
+
+zone "dnskey-unsupported-2.example" {
+	type primary;
+	file "dnskey-unsupported-2.example.db.signed";
+};
+
+zone "dnskey-nsec3-unknown.example" {
+	type primary;
+	nsec3-test-zone yes;
+	file "dnskey-nsec3-unknown.example.db.signed";
+};
+
+zone "multiple.example" {
+	type primary;
+	file "multiple.example.db.signed";
+	allow-update { any; };
+};
+
+zone "rfc2335.example" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "rfc2335.example.bk";
+};
+
+zone "rsasha256.example" {
+	type primary;
+	file "rsasha256.example.db.signed";
+};
+
+zone "rsasha512.example" {
+	type primary;
+	file "rsasha512.example.db.signed";
+};
+
+zone "kskonly.example" {
+	type primary;
+	file "kskonly.example.db.signed";
+};
+
+zone "expired.example" {
+	type primary;
+	allow-update { none; };
+	file "expired.example.db.signed";
+};
+
+zone "update-nsec3.example" {
+	type primary;
+	allow-update { any; };
+	file "update-nsec3.example.db.signed";
+};
+
+zone "auto-nsec.example" {
+	type primary;
+	auto-dnssec maintain;
+	allow-update { !0.0.0.0; };
+	file "auto-nsec.example.db.signed";
+};
+
+zone "auto-nsec3.example" {
+	type primary;
+	auto-dnssec maintain;
+	allow-update { !0.0.0.0; };
+	file "auto-nsec3.example.db.signed";
+};
+
+zone "insecure.below-cname.example" {
+	type primary;
+	file "insecure.below-cname.example.db";
+};
+
+zone "secure.below-cname.example" {
+	type primary;
+	file "secure.below-cname.example.db.signed";
+};
+
+zone "ttlpatch.example" {
+	type primary;
+	file "ttlpatch.example.db.patched";
+};
+
+zone "split-dnssec.example" {
+	type primary;
+	file "split-dnssec.example.db";
+};
+
+zone "split-smart.example" {
+	type primary;
+	file "split-smart.example.db";
+};
+
+zone "nsec3chain-test" {
+	type secondary;
+	file "nsec3chain-test.bk";
+	primaries { 10.53.0.2; };
+};
+
+zone "expiring.example" {
+	type primary;
+	allow-update { any; };
+	file "expiring.example.db.signed";
+};
+
+zone "nosign.example" {
+	type primary;
+	allow-update { any; };
+	dnssec-update-mode no-resign;
+	file "nosign.example.db.signed";
+};
+
+zone "upper.example" {
+	type primary;
+	file "upper.example.db.signed";
+};
+
+zone "LOWER.EXAMPLE" {
+	type primary;
+	file "lower.example.db.signed";
+};
+
+zone "inline.example" {
+	type primary;
+	file "inline.example.db";
+	inline-signing yes;
+	auto-dnssec maintain;
+};
+
+zone "publish-inactive.example" {
+	type primary;
+	file "publish-inactive.example.db";
+	auto-dnssec maintain;
+	dnssec-dnskey-kskonly no;
+	update-policy local;
+};
+
+zone "future.example" {
+	type primary;
+	file "future.example.db.signed";
+};
+
+zone "managed-future.example" {
+	type primary;
+	file "managed-future.example.db.signed";
+	allow-update { any; };
+};
+
+zone "revkey.example" {
+	type primary;
+	file "revkey.example.db.signed";
+};
+
+zone "dname-at-apex-nsec3.example" {
+	type primary;
+	file "dname-at-apex-nsec3.example.db.signed";
+};
+
+zone "occluded.example" {
+	type primary;
+	file "occluded.example.db.signed";
+};
+
+zone "secure.managed" {
+	type primary;
+	file "secure.managed.db.signed";
+};
+
+zone "disabled.managed" {
+	type primary;
+	file "disabled.managed.db.signed";
+};
+
+zone "enabled.managed" {
+	type primary;
+	file "enabled.managed.db.signed";
+};
+
+zone "unsupported.managed" {
+	type primary;
+	file "unsupported.managed.db.signed";
+};
+
+zone "revoked.managed" {
+	type primary;
+	file "revoked.managed.db.signed";
+};
+
+zone "secure.trusted" {
+	type primary;
+	file "secure.trusted.db.signed";
+};
+
+zone "disabled.trusted" {
+	type primary;
+	file "disabled.trusted.db.signed";
+};
+
+zone "enabled.trusted" {
+	type primary;
+	file "enabled.trusted.db.signed";
+};
+
+zone "unsupported.trusted" {
+	type primary;
+	file "unsupported.trusted.db.signed";
+};
+
+zone "revoked.trusted" {
+	type primary;
+	file "revoked.trusted.db.signed";
+};
+
+zone "too-many-iterations" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "too-many-iterations.bk";
+};
+
+include "siginterval.conf";
+
+include "trusted.conf";
diff --git a/bin/tests/system/dnssec/ns3/nosign.example.db.in b/bin/tests/system/dnssec/ns3/nosign.example.db.in
new file mode 100644
index 0000000..2be8a28
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/nosign.example.db.in
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
diff --git a/bin/tests/system/dnssec/ns3/nsec3-unknown.example.db.in b/bin/tests/system/dnssec/ns3/nsec3-unknown.example.db.in
new file mode 100644
index 0000000..f37dd75
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/nsec3-unknown.example.db.in
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.e			A	10.0.0.6
+child			NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns3/nsec3.example.db.in b/bin/tests/system/dnssec/ns3/nsec3.example.db.in
new file mode 100644
index 0000000..55b3877
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/nsec3.example.db.in
@@ -0,0 +1,38 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.wild			A	10.0.0.6
+child			NS	ns2.example.
+insecure		NS	ns.insecure
+ns.insecure 		A	10.53.0.3
+secure			NS	ns.secure
+ns.secure 		A	10.53.0.3
+nsec3			NS	ns.nsec3
+ns.nsec3 		A	10.53.0.3
+optout			NS	ns.optout
+ns.optout 		A	10.53.0.3
+02HC3EM7BDD011A0GMS3HKKJT2IF5VP8 A 10.0.0.17
diff --git a/bin/tests/system/dnssec/ns3/nsec3.nsec3.example.db.in b/bin/tests/system/dnssec/ns3/nsec3.nsec3.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/nsec3.nsec3.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/dnssec/ns3/nsec3.optout.example.db.in b/bin/tests/system/dnssec/ns3/nsec3.optout.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/nsec3.optout.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/dnssec/ns3/occluded.example.db.in b/bin/tests/system/dnssec/ns3/occluded.example.db.in
new file mode 100644
index 0000000..ee9c900
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/occluded.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a.b			A	10.0.0.1
+delegation		NS	ns
+			A	10.53.0.3
+			AAAA	2002::
diff --git a/bin/tests/system/dnssec/ns3/optout-unknown.example.db.in b/bin/tests/system/dnssec/ns3/optout-unknown.example.db.in
new file mode 100644
index 0000000..f37dd75
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/optout-unknown.example.db.in
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.e			A	10.0.0.6
+child			NS	ns2.example.
diff --git a/bin/tests/system/dnssec/ns3/optout.example.db.in b/bin/tests/system/dnssec/ns3/optout.example.db.in
new file mode 100644
index 0000000..20c19c5
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/optout.example.db.in
@@ -0,0 +1,40 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20	 ; refresh (20 seconds)
+				20	 ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.wild			A	10.0.0.6
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.3
+secure			NS	ns.secure
+ns.secure		A	10.53.0.3
+nsec3			NS	ns.nsec3
+ns.nsec3		A	10.53.0.3
+optout			NS	ns.optout
+ns.optout		A	10.53.0.3
+child			NS	ns2.example.
+insecure.empty		NS	ns.insecure.empty
+ns.insecure.empty	A	10.53.0.3
+foo.*.empty-wild	NS	ns
diff --git a/bin/tests/system/dnssec/ns3/optout.nsec3.example.db.in b/bin/tests/system/dnssec/ns3/optout.nsec3.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/optout.nsec3.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/dnssec/ns3/optout.optout.example.db.in b/bin/tests/system/dnssec/ns3/optout.optout.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/optout.optout.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/dnssec/ns3/publish-inactive.example.db.in b/bin/tests/system/dnssec/ns3/publish-inactive.example.db.in
new file mode 100644
index 0000000..14971bd
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/publish-inactive.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/dnssec/ns3/rsasha256.example.db.in b/bin/tests/system/dnssec/ns3/rsasha256.example.db.in
new file mode 100644
index 0000000..f6c4fab
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/rsasha256.example.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
diff --git a/bin/tests/system/dnssec/ns3/rsasha512.example.db.in b/bin/tests/system/dnssec/ns3/rsasha512.example.db.in
new file mode 100644
index 0000000..f6c4fab
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/rsasha512.example.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2009102722 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
diff --git a/bin/tests/system/dnssec/ns3/secure.below-cname.example.db.in b/bin/tests/system/dnssec/ns3/secure.below-cname.example.db.in
new file mode 100644
index 0000000..14971bd
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/secure.below-cname.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/dnssec/ns3/secure.example.db.in b/bin/tests/system/dnssec/ns3/secure.example.db.in
new file mode 100644
index 0000000..ec39308
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/secure.example.db.in
@@ -0,0 +1,49 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+d			A	10.0.0.4
+e			A	10.0.0.5
+f			A	10.0.0.6
+g			A	10.0.0.7
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+zz			DNSKEY	258 3 5 Cg==
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns2.insecure
+ns2.insecure		A	10.53.0.2
+
+nosoa 			NS	ns.nosoa
+ns.nosoa		A	10.53.0.7
+
+normalthenrrsig		A	10.0.0.28
+rrsigonly		A	10.0.0.29
+
+cnameandkey		CNAME	@
+cnamenokey		CNAME	@
+dnameandkey		DNAME	@
diff --git a/bin/tests/system/dnssec/ns3/secure.nsec3.example.db.in b/bin/tests/system/dnssec/ns3/secure.nsec3.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/secure.nsec3.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/dnssec/ns3/secure.optout.example.db.in b/bin/tests/system/dnssec/ns3/secure.optout.example.db.in
new file mode 100644
index 0000000..15fe621
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/secure.optout.example.db.in
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
diff --git a/bin/tests/system/dnssec/ns3/siginterval.example.db.in b/bin/tests/system/dnssec/ns3/siginterval.example.db.in
new file mode 100644
index 0000000..ec6603a
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/siginterval.example.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2012042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@			NS	ns
+ns			A	10.53.0.3
diff --git a/bin/tests/system/dnssec/ns3/siginterval1.conf b/bin/tests/system/dnssec/ns3/siginterval1.conf
new file mode 100644
index 0000000..4674cf3
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/siginterval1.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "siginterval.example" {
+	type primary;
+	allow-update { any; };
+	sig-validity-interval 1 23;
+	dnskey-sig-validity 90;
+	auto-dnssec maintain;
+	file "siginterval.example.db";
+};
diff --git a/bin/tests/system/dnssec/ns3/siginterval2.conf b/bin/tests/system/dnssec/ns3/siginterval2.conf
new file mode 100644
index 0000000..46a2007
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/siginterval2.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "siginterval.example" {
+	type primary;
+	allow-update { any; };
+	sig-validity-interval 35 28;
+	dnskey-sig-validity 90;
+	auto-dnssec maintain;
+	file "siginterval.example.db";
+};
diff --git a/bin/tests/system/dnssec/ns3/sign.sh b/bin/tests/system/dnssec/ns3/sign.sh
new file mode 100644
index 0000000..f56edb2
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/sign.sh
@@ -0,0 +1,674 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+echo_i "ns3/sign.sh"
+
+infile=key.db.in
+for tld in managed trusted
+do
+	# A secure zone to test.
+	zone=secure.${tld}
+	zonefile=${zone}.db
+
+	keyname1=$("$KEYGEN" -f KSK -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+	cat "$infile" "$keyname1.key" > "$zonefile"
+	"$SIGNER" -z -P -3 - -o "$zone" -O full -f ${zonefile}.signed "$zonefile" > /dev/null
+
+	# Zone to test trust anchor that matches disabled algorithm.
+	zone=disabled.${tld}
+	zonefile=${zone}.db
+
+	keyname2=$("$KEYGEN" -f KSK -q -a "$DISABLED_ALGORITHM" -b "$DISABLED_BITS" -n zone "$zone")
+	cat "$infile" "$keyname2.key" > "$zonefile"
+	"$SIGNER" -z -P -3 - -o "$zone" -O full -f ${zonefile}.signed "$zonefile" > /dev/null
+
+	# Zone to test trust anchor that has disabled algorithm for other domain.
+	zone=enabled.${tld}
+	zonefile=${zone}.db
+
+	keyname3=$("$KEYGEN" -f KSK -q -a "$DISABLED_ALGORITHM" -b "$DISABLED_BITS" -n zone "$zone")
+	cat "$infile" "$keyname3.key" > "$zonefile"
+	"$SIGNER" -z -P -3 - -o "$zone" -O full -f ${zonefile}.signed "$zonefile" > /dev/null
+
+	# Zone to test trust anchor with unsupported algorithm.
+	zone=unsupported.${tld}
+	zonefile=${zone}.db
+
+	keyname4=$("$KEYGEN" -f KSK -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+	cat "$infile" "$keyname4.key" > "$zonefile"
+	"$SIGNER" -z -3 - -o "$zone" -O full -f ${zonefile}.tmp "$zonefile" > /dev/null
+	awk '$4 == "DNSKEY" { $7 = 255 } $4 == "RRSIG" { $6 = 255 } { print }' ${zonefile}.tmp > ${zonefile}.signed
+
+	# Make trusted-keys and managed keys conf sections for ns8.
+	mv ${keyname4}.key ${keyname4}.tmp
+	awk '$1 == "unsupported.'"${tld}"'." { $6 = 255 } { print }' ${keyname4}.tmp > ${keyname4}.key
+
+	# Zone to test trust anchor that is revoked.
+	zone=revoked.${tld}
+	zonefile=${zone}.db
+
+	keyname5=$("$KEYGEN" -f KSK -f REVOKE -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+	cat "$infile" "$keyname5.key" > "$zonefile"
+	"$SIGNER" -z -P -3 - -o "$zone" -O full -f ${zonefile}.signed "$zonefile" > /dev/null
+
+	case $tld in
+	"managed")
+		keyfile_to_initial_keys $keyname1 $keyname2 $keyname3 $keyname4 $keyname5 > ../ns8/managed.conf
+		;;
+	"trusted")
+		keyfile_to_static_keys $keyname1 $keyname2 $keyname3 $keyname4 $keyname5 > ../ns8/trusted.conf
+		;;
+	esac
+done
+
+echo_i "ns3/sign.sh: example zones"
+
+zone=secure.example.
+infile=secure.example.db.in
+zonefile=secure.example.db
+
+cnameandkey=$("$KEYGEN" -T KEY -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n host "cnameandkey.$zone")
+dnameandkey=$("$KEYGEN" -T KEY -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n host "dnameandkey.$zone")
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$cnameandkey.key" "$dnameandkey.key" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -o "$zone" "$zonefile" > /dev/null
+
+zone=bogus.example.
+infile=bogus.example.db.in
+zonefile=bogus.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -o "$zone" "$zonefile" > /dev/null
+
+zone=dynamic.example.
+infile=dynamic.example.db.in
+zonefile=dynamic.example.db
+
+keyname1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+keyname2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone -f KSK "$zone")
+
+cat "$infile" "$keyname1.key" "$keyname2.key" > "$zonefile"
+
+"$SIGNER" -o "$zone" "$zonefile" > /dev/null
+
+zone=keyless.example.
+infile=generic.example.db.in
+zonefile=keyless.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -o "$zone" "$zonefile" > /dev/null
+
+# Change the signer field of the a.b.keyless.example RRSIG A
+# to point to a provably nonexistent DNSKEY record.
+zonefiletmp=$(mktemp "$zonefile.XXXXXX") || exit 1
+mv "$zonefile.signed" "$zonefiletmp"
+<"$zonefiletmp" "$PERL" -p -e 's/ keyless.example/ b.keyless.example/
+    if /^a.b.keyless.example/../A RRSIG NSEC/;' > "$zonefile.signed"
+rm -f "$zonefiletmp"
+
+#
+#  NSEC3/NSEC test zone
+#
+zone=secure.nsec3.example.
+infile=secure.nsec3.example.db.in
+zonefile=secure.nsec3.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -o "$zone" "$zonefile" > /dev/null
+
+#
+#  NSEC3/NSEC3 test zone
+#
+zone=nsec3.nsec3.example.
+infile=nsec3.nsec3.example.db.in
+zonefile=nsec3.nsec3.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -3 - -o "$zone" "$zonefile" > /dev/null
+
+#
+#  OPTOUT/NSEC3 test zone
+#
+zone=optout.nsec3.example.
+infile=optout.nsec3.example.db.in
+zonefile=optout.nsec3.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -3 - -A -o "$zone" "$zonefile" > /dev/null
+
+#
+# A nsec3 zone (non-optout).
+#
+zone=nsec3.example.
+infile=nsec3.example.db.in
+zonefile=nsec3.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -g -3 - -o "$zone" "$zonefile" > /dev/null
+
+#
+#  OPTOUT/NSEC test zone
+#
+zone=secure.optout.example.
+infile=secure.optout.example.db.in
+zonefile=secure.optout.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -o "$zone" "$zonefile" > /dev/null
+
+#
+#  OPTOUT/NSEC3 test zone
+#
+zone=nsec3.optout.example.
+infile=nsec3.optout.example.db.in
+zonefile=nsec3.optout.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -3 - -o "$zone" "$zonefile" > /dev/null
+
+#
+#  OPTOUT/OPTOUT test zone
+#
+zone=optout.optout.example.
+infile=optout.optout.example.db.in
+zonefile=optout.optout.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -3 - -A -o "$zone" "$zonefile" > /dev/null
+
+#
+# A optout nsec3 zone.
+#
+zone=optout.example.
+infile=optout.example.db.in
+zonefile=optout.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -g -3 - -A -o "$zone" "$zonefile" > /dev/null
+
+#
+# A nsec3 zone (non-optout) with unknown nsec3 hash algorithm (-U).
+#
+zone=nsec3-unknown.example.
+infile=nsec3-unknown.example.db.in
+zonefile=nsec3-unknown.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -3 - -PU -o "$zone" "$zonefile" > /dev/null
+
+#
+# A optout nsec3 zone with a unknown nsec3 hash algorithm (-U).
+#
+zone=optout-unknown.example.
+infile=optout-unknown.example.db.in
+zonefile=optout-unknown.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -3 - -PU -A -o "$zone" "$zonefile" > /dev/null
+
+#
+# A zone that is signed with an unknown DNSKEY algorithm.
+# Algorithm 7 is replaced by 100 in the zone and dsset.
+#
+zone=dnskey-unknown.example
+infile=dnskey-unknown.example.db.in
+zonefile=dnskey-unknown.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -3 - -o "$zone" -O full -f ${zonefile}.tmp "$zonefile" > /dev/null
+
+awk '$4 == "DNSKEY" { $7 = 100 } $4 == "RRSIG" { $6 = 100 } { print }' ${zonefile}.tmp > ${zonefile}.signed
+
+DSFILE="dsset-${zone}."
+$DSFROMKEY -A -f ${zonefile}.signed "$zone" > "$DSFILE"
+
+#
+# A zone that is signed with an unsupported DNSKEY algorithm (3).
+# Algorithm 7 is replaced by 255 in the zone and dsset.
+#
+zone=dnskey-unsupported.example
+infile=dnskey-unsupported.example.db.in
+zonefile=dnskey-unsupported.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -3 - -o "$zone" -O full -f ${zonefile}.tmp "$zonefile" > /dev/null
+
+awk '$4 == "DNSKEY" { $7 = 255 } $4 == "RRSIG" { $6 = 255 } { print }' ${zonefile}.tmp > ${zonefile}.signed
+
+DSFILE="dsset-${zone}."
+$DSFROMKEY -A -f ${zonefile}.signed "$zone" > "$DSFILE"
+
+#
+# A zone with a published unsupported DNSKEY algorithm (Reserved).
+# Different from above because this key is not intended for signing.
+#
+zone=dnskey-unsupported-2.example
+infile=dnskey-unsupported-2.example.db.in
+zonefile=dnskey-unsupported-2.example.db
+
+ksk=$("$KEYGEN" -f KSK -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+zsk=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$ksk.key" "$zsk.key" unsupported-algorithm.key > "$zonefile"
+
+"$SIGNER" -3 - -o "$zone" -f ${zonefile}.signed "$zonefile" > /dev/null
+
+#
+# A zone with a unknown DNSKEY algorithm + unknown NSEC3 hash algorithm (-U).
+# Algorithm 7 is replaced by 100 in the zone and dsset.
+#
+zone=dnskey-nsec3-unknown.example
+infile=dnskey-nsec3-unknown.example.db.in
+zonefile=dnskey-nsec3-unknown.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -3 - -o "$zone" -PU -O full -f ${zonefile}.tmp "$zonefile" > /dev/null
+
+awk '$4 == "DNSKEY" { $7 = 100; print } $4 == "RRSIG" { $6 = 100; print } { print }' ${zonefile}.tmp > ${zonefile}.signed
+
+DSFILE="dsset-${zone}."
+$DSFROMKEY -A -f ${zonefile}.signed "$zone" > "$DSFILE"
+
+#
+# A multiple parameter nsec3 zone.
+#
+zone=multiple.example.
+infile=multiple.example.db.in
+zonefile=multiple.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -O full -o "$zone" "$zonefile" > /dev/null
+awk '$4 == "NSEC" || ( $4 == "RRSIG" && $5 == "NSEC" ) { print }' "$zonefile".signed > NSEC
+"$SIGNER" -z -O full -u3 - -o "$zone" "$zonefile" > /dev/null
+awk '$4 == "NSEC3" || ( $4 == "RRSIG" && $5 == "NSEC3" ) { print }' "$zonefile".signed > NSEC3
+"$SIGNER" -z -O full -u3 AAAA -o "$zone" "$zonefile" > /dev/null
+awk '$4 == "NSEC3" || ( $4 == "RRSIG" && $5 == "NSEC3" ) { print }' "$zonefile".signed >> NSEC3
+"$SIGNER" -z -O full -u3 BBBB -o "$zone" "$zonefile" > /dev/null
+awk '$4 == "NSEC3" || ( $4 == "RRSIG" && $5 == "NSEC3" ) { print }' "$zonefile".signed >> NSEC3
+"$SIGNER" -z -O full -u3 CCCC -o "$zone" "$zonefile" > /dev/null
+awk '$4 == "NSEC3" || ( $4 == "RRSIG" && $5 == "NSEC3" ) { print }' "$zonefile".signed >> NSEC3
+"$SIGNER" -z -O full -u3 DDDD -o "$zone" "$zonefile" > /dev/null
+cat NSEC NSEC3 >> "$zonefile".signed
+
+#
+# A RSASHA256 zone.
+#
+zone=rsasha256.example.
+infile=rsasha256.example.db.in
+zonefile=rsasha256.example.db
+
+keyname=$("$KEYGEN" -q -a RSASHA256 -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -P -o "$zone" "$zonefile" > /dev/null
+
+#
+# A RSASHA512 zone.
+#
+zone=rsasha512.example.
+infile=rsasha512.example.db.in
+zonefile=rsasha512.example.db
+
+keyname=$("$KEYGEN" -q -a RSASHA512 -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -P -o "$zone" "$zonefile" > /dev/null
+
+#
+# A zone with the DNSKEY set only signed by the KSK
+#
+zone=kskonly.example.
+infile=kskonly.example.db.in
+zonefile=kskonly.example.db
+
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+cat "$infile" "$kskname.key" "$zskname.key" > "$zonefile"
+"$SIGNER" -x -o "$zone" "$zonefile" > /dev/null
+
+#
+# A zone with the expired signatures
+#
+zone=expired.example.
+infile=expired.example.db.in
+zonefile=expired.example.db
+
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -fk "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+cat "$infile" "$kskname.key" "$zskname.key" > "$zonefile"
+"$SIGNER" -P -o "$zone" -s -1d -e +1h "$zonefile" > /dev/null
+rm -f "$kskname.*" "$zskname.*"
+
+#
+# A NSEC3 signed zone that will have a DNSKEY added to it via UPDATE.
+#
+zone=update-nsec3.example.
+infile=update-nsec3.example.db.in
+zonefile=update-nsec3.example.db
+
+kskname=$("$KEYGEN" -q -3 -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -fk "$zone")
+zskname=$("$KEYGEN" -q -3 -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+cat "$infile" "$kskname.key" "$zskname.key" > "$zonefile"
+"$SIGNER" -P -3 - -o "$zone" "$zonefile" > /dev/null
+
+#
+# A NSEC signed zone that will have auto-dnssec enabled and
+# extra keys not in the initial signed zone.
+#
+zone=auto-nsec.example.
+infile=auto-nsec.example.db.in
+zonefile=auto-nsec.example.db
+
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -fk "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -fk "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+cat "$infile" "$kskname.key" "$zskname.key" > "$zonefile"
+"$SIGNER" -P -o "$zone" "$zonefile" > /dev/null
+
+#
+# A NSEC3 signed zone that will have auto-dnssec enabled and
+# extra keys not in the initial signed zone.
+#
+zone=auto-nsec3.example.
+infile=auto-nsec3.example.db.in
+zonefile=auto-nsec3.example.db
+
+kskname=$("$KEYGEN" -q -3 -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -fk "$zone")
+zskname=$("$KEYGEN" -q -3 -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+kskname=$("$KEYGEN" -q -3 -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -fk "$zone")
+zskname=$("$KEYGEN" -q -3 -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+cat "$infile" "$kskname.key" "$zskname.key" > "$zonefile"
+"$SIGNER" -P -3 - -o "$zone" "$zonefile" > /dev/null
+
+#
+# Secure below cname test zone.
+#
+zone=secure.below-cname.example.
+infile=secure.below-cname.example.db.in
+zonefile=secure.below-cname.example.db
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+cat "$infile" "$keyname.key" > "$zonefile"
+"$SIGNER" -P -o "$zone" "$zonefile" > /dev/null
+
+#
+# Patched TTL test zone.
+#
+zone=ttlpatch.example.
+infile=ttlpatch.example.db.in
+zonefile=ttlpatch.example.db
+signedfile=ttlpatch.example.db.signed
+patchedfile=ttlpatch.example.db.patched
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -P -f $signedfile -o "$zone" "$zonefile" > /dev/null
+$CHECKZONE -D -s full "$zone" $signedfile 2> /dev/null | \
+    awk '{$2 = "3600"; print}' > $patchedfile
+
+#
+# Separate DNSSEC records.
+#
+zone=split-dnssec.example.
+infile=split-dnssec.example.db.in
+zonefile=split-dnssec.example.db
+signedfile=split-dnssec.example.db.signed
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+cat "$infile" "$keyname.key" > "$zonefile"
+echo "\$INCLUDE \"$signedfile\"" >> "$zonefile"
+: > "$signedfile"
+"$SIGNER" -P -D -o "$zone" "$zonefile" > /dev/null
+
+#
+# Separate DNSSEC records smart signing.
+#
+zone=split-smart.example.
+infile=split-smart.example.db.in
+zonefile=split-smart.example.db
+signedfile=split-smart.example.db.signed
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+cp "$infile" "$zonefile"
+# shellcheck disable=SC2016
+echo "\$INCLUDE \"$signedfile\"" >> "$zonefile"
+: > "$signedfile"
+"$SIGNER" -P -S -D -o "$zone" "$zonefile" > /dev/null
+
+#
+# Zone with signatures about to expire, but no private key to replace them
+#
+zone="expiring.example."
+infile="expiring.example.db.in"
+zonefile="expiring.example.db"
+signedfile="expiring.example.db.signed"
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+cp "$infile" "$zonefile"
+"$SIGNER" -S -e now+1mi -o "$zone" "$zonefile" > /dev/null
+mv -f "${zskname}.private" "${zskname}.private.moved"
+mv -f "${kskname}.private" "${kskname}.private.moved"
+
+#
+# A zone where the signer's name has been forced to uppercase.
+#
+zone="upper.example."
+infile="upper.example.db.in"
+zonefile="upper.example.db"
+lower="upper.example.db.lower"
+signedfile="upper.example.db.signed"
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+cp "$infile" "$zonefile"
+"$SIGNER" -P -S -o "$zone" -f $lower "$zonefile" > /dev/null
+$CHECKZONE -D upper.example $lower 2>/dev/null | \
+	sed '/RRSIG/s/ upper.example. / UPPER.EXAMPLE. /' > $signedfile
+
+#
+# Check that the signer's name is in lower case when zone name is in
+# upper case.
+#
+zone="LOWER.EXAMPLE."
+infile="lower.example.db.in"
+zonefile="lower.example.db"
+signedfile="lower.example.db.signed"
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+cp "$infile" "$zonefile"
+"$SIGNER" -P -S -o "$zone" "$zonefile" > /dev/null
+
+#
+# Zone with signatures about to expire, and dynamic, but configured
+# not to resign with 'auto-resign no;'
+#
+zone="nosign.example."
+infile="nosign.example.db.in"
+zonefile="nosign.example.db"
+signedfile="nosign.example.db.signed"
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+cp "$infile" "$zonefile"
+"$SIGNER" -S -e "now+1mi" -o "$zone" "$zonefile" > /dev/null
+# preserve a normalized copy of the NS RRSIG for comparison later
+$CHECKZONE -D nosign.example nosign.example.db.signed 2>/dev/null | \
+        awk '$4 == "RRSIG" && $5 == "NS" {$2 = ""; print}' | \
+        sed 's/[ 	][ 	]*/ /g'> ../nosign.before
+
+#
+# An inline signing zone
+#
+zone=inline.example.
+kskname=$("$KEYGEN" -q -3 -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -fk "$zone")
+zskname=$("$KEYGEN" -q -3 -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+
+#
+# publish a new key while deactivating another key at the same time.
+#
+zone=publish-inactive.example
+infile=publish-inactive.example.db.in
+zonefile=publish-inactive.example.db
+now=$(date -u +%Y%m%d%H%M%S)
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+kskname=$("$KEYGEN" -P "$now+90s" -A "$now+3600s" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+kskname=$("$KEYGEN" -I "$now+90s" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+cp "$infile" "$zonefile"
+"$SIGNER" -S -o "$zone" "$zonefile" > /dev/null
+
+#
+# A zone which will change its sig-validity-interval
+#
+zone=siginterval.example
+infile=siginterval.example.db.in
+zonefile=siginterval.example.db
+kskname=$("$KEYGEN" -q -3 -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -fk "$zone")
+zskname=$("$KEYGEN" -q -3 -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+cp "$infile" "$zonefile"
+
+#
+# A zone with a bad DS in the parent
+# (sourced from bogus.example.db.in)
+#
+zone=badds.example.
+infile=bogus.example.db.in
+zonefile=badds.example.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -P -o "$zone" "$zonefile" > /dev/null
+sed -e 's/bogus/badds/g' < dsset-bogus.example. > dsset-badds.example.
+
+#
+# A zone with future signatures.
+#
+zone=future.example
+infile=future.example.db.in
+zonefile=future.example.db
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+cat "$infile" "$kskname.key" "$zskname.key" > "$zonefile"
+"$SIGNER" -P -s +3600 -o "$zone" "$zonefile" > /dev/null
+cp -f "$kskname.key" trusted-future.key
+
+#
+# A zone with future signatures.
+#
+zone=managed-future.example
+infile=managed-future.example.db.in
+zonefile=managed-future.example.db
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+cat "$infile" "$kskname.key" "$zskname.key" > "$zonefile"
+"$SIGNER" -P -s +3600 -o "$zone" "$zonefile" > /dev/null
+
+#
+# A zone with a revoked key
+#
+zone=revkey.example.
+infile=generic.example.db.in
+zonefile=revkey.example.db
+
+ksk1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -3fk "$zone")
+ksk1=$("$REVOKE" "$ksk1")
+ksk2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -3fk "$zone")
+zsk1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -3 "$zone")
+
+cat "$infile" "${ksk1}.key" "${ksk2}.key" "${zsk1}.key" > "$zonefile"
+"$SIGNER" -P -o "$zone" "$zonefile" > /dev/null
+
+#
+# Check that NSEC3 are correctly signed and returned from below a DNAME
+#
+zone=dname-at-apex-nsec3.example
+infile=dname-at-apex-nsec3.example.db.in
+zonefile=dname-at-apex-nsec3.example.db
+
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -3fk "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -3 "$zone")
+cat "$infile" "${kskname}.key" "${zskname}.key" >"$zonefile"
+"$SIGNER" -P -3 - -o "$zone" "$zonefile" > /dev/null
+
+#
+# A NSEC zone with occuded data at the delegation
+#
+zone=occluded.example
+infile=occluded.example.db.in
+zonefile=occluded.example.db
+kskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -fk "$zone")
+zskname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" "$zone")
+dnskeyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -fk "delegation.$zone")
+keyname=$("$KEYGEN" -q -a DH -b 1024 -n HOST -T KEY "delegation.$zone")
+$DSFROMKEY "$dnskeyname.key" > "dsset-delegation.${zone}."
+cat "$infile" "${kskname}.key" "${zskname}.key" "${keyname}.key" \
+    "${dnskeyname}.key" "dsset-delegation.${zone}." >"$zonefile"
+"$SIGNER" -P -o "$zone" "$zonefile" > /dev/null
diff --git a/bin/tests/system/dnssec/ns3/split-dnssec.example.db.in b/bin/tests/system/dnssec/ns3/split-dnssec.example.db.in
new file mode 100644
index 0000000..55b3877
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/split-dnssec.example.db.in
@@ -0,0 +1,38 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.wild			A	10.0.0.6
+child			NS	ns2.example.
+insecure		NS	ns.insecure
+ns.insecure 		A	10.53.0.3
+secure			NS	ns.secure
+ns.secure 		A	10.53.0.3
+nsec3			NS	ns.nsec3
+ns.nsec3 		A	10.53.0.3
+optout			NS	ns.optout
+ns.optout 		A	10.53.0.3
+02HC3EM7BDD011A0GMS3HKKJT2IF5VP8 A 10.0.0.17
diff --git a/bin/tests/system/dnssec/ns3/split-smart.example.db.in b/bin/tests/system/dnssec/ns3/split-smart.example.db.in
new file mode 100644
index 0000000..55b3877
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/split-smart.example.db.in
@@ -0,0 +1,38 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a			A	10.0.0.3
+*.wild			A	10.0.0.6
+child			NS	ns2.example.
+insecure		NS	ns.insecure
+ns.insecure 		A	10.53.0.3
+secure			NS	ns.secure
+ns.secure 		A	10.53.0.3
+nsec3			NS	ns.nsec3
+ns.nsec3 		A	10.53.0.3
+optout			NS	ns.optout
+ns.optout 		A	10.53.0.3
+02HC3EM7BDD011A0GMS3HKKJT2IF5VP8 A 10.0.0.17
diff --git a/bin/tests/system/dnssec/ns3/ttlpatch.example.db.in b/bin/tests/system/dnssec/ns3/ttlpatch.example.db.in
new file mode 100644
index 0000000..14971bd
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/ttlpatch.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
diff --git a/bin/tests/system/dnssec/ns3/unsupported-algorithm.key b/bin/tests/system/dnssec/ns3/unsupported-algorithm.key
new file mode 100644
index 0000000..cc8bb9a
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/unsupported-algorithm.key
@@ -0,0 +1 @@
+dnskey-unsupported-2.example.	IN	DNSKEY	257 3 255 BJ0eV4dQC0pihdFXiVdlXjPDkzbv4fC+opEvK0RaDU7LLwFXPAi6DOc6tm7vcSr5Tgdnpoal3S4WqHuVw6I1pzy5mPPIZ3OpLSY/QeOyGc2QRAZtOXxiGxERHRjyAk7emlgGscM0Vty2oJVYRgTPX0lTwKX/V2H+mjEgp7u3tyG3cj5XBUQ8J0KUoqkrn1ZKrizH27aWiDaBUvqxJUcotaDhnydkNtcHoQIedm2b4qbyTQsdRkddJiSWxpveEcj3AMdt2PjU6Q4rgSWOc5ylPnW/O+GqqCEAkalGSF7ud0Nl3FVVR9iGwV/73FHzpBLawfkcHaODFmKRjzGqok8giKCih2vdNsxlx7gdJWJIPYYx/ZqNGc2ewzuAnnleJpZdXFo8uL3HYk6Pl51sSkfVUmcn/SM+ ;{id = 38688 (ksk), size = 768b}
diff --git a/bin/tests/system/dnssec/ns3/update-nsec3.example.db.in b/bin/tests/system/dnssec/ns3/update-nsec3.example.db.in
new file mode 100644
index 0000000..a7792fd
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/update-nsec3.example.db.in
@@ -0,0 +1,40 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+z			A	10.0.0.26
+a.a.a.a.a.a.a.a.a.a.e	A	10.0.0.27
+x			CNAME	a
+
+private			NS	ns.private
+ns.private		A	10.53.0.2
+
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.2
+
+nosoa 			NS	ns.nosoa
+ns.nosoa		A	10.53.0.7
+
+normalthenrrsig		A	10.0.0.28
+rrsigonly		A	10.0.0.29
diff --git a/bin/tests/system/dnssec/ns3/upper.example.db.in b/bin/tests/system/dnssec/ns3/upper.example.db.in
new file mode 100644
index 0000000..ec6603a
--- /dev/null
+++ b/bin/tests/system/dnssec/ns3/upper.example.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2012042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@			NS	ns
+ns			A	10.53.0.3
diff --git a/bin/tests/system/dnssec/ns4/managed-keys.bind.in b/bin/tests/system/dnssec/ns4/managed-keys.bind.in
new file mode 100644
index 0000000..570669d
--- /dev/null
+++ b/bin/tests/system/dnssec/ns4/managed-keys.bind.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 0	; 0 seconds
+@			IN SOA	. . (
+				2          ; serial
+				0          ; refresh (0 seconds)
+				0          ; retry (0 seconds)
+				0          ; expire (0 seconds)
+				0          ; minimum (0 seconds)
+				)
+			KEYDATA	20221028094934 19700101000000 19700101000000 0 0 0 ; placeholder
diff --git a/bin/tests/system/dnssec/ns4/named1.conf.in b/bin/tests/system/dnssec/ns4/named1.conf.in
new file mode 100644
index 0000000..280217e
--- /dev/null
+++ b/bin/tests/system/dnssec/ns4/named1.conf.in
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	dnssec-must-be-secure mustbesecure.example yes;
+	minimal-responses no;
+
+	nta-lifetime 12s;
+	nta-recheck 9s;
+
+	validate-except { corp; };
+
+	# Note: We only reference the bind.keys file here to confirm that it
+	# is *not* being used.  It contains the real root key, and we're
+	# using a local toy root zone for the tests, so it wouldn't work.
+	# But since dnssec-validation is set to "yes" not "auto", that
+	# won't matter.
+	bindkeys-file "../../../../../bind.keys";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "corp" {
+	type static-stub;
+	server-addresses { 10.53.0.2; };
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/dnssec/ns4/named2.conf.in b/bin/tests/system/dnssec/ns4/named2.conf.in
new file mode 100644
index 0000000..b01979b
--- /dev/null
+++ b/bin/tests/system/dnssec/ns4/named2.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation auto;
+	bindkeys-file "managed.conf";
+	minimal-responses no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/dnssec/ns4/named3.conf.in b/bin/tests/system/dnssec/ns4/named3.conf.in
new file mode 100644
index 0000000..3a64e9d
--- /dev/null
+++ b/bin/tests/system/dnssec/ns4/named3.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation auto;
+	bindkeys-file "managed.conf";
+	dnssec-accept-expired yes;
+	minimal-responses no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/dnssec/ns4/named4.conf.in b/bin/tests/system/dnssec/ns4/named4.conf.in
new file mode 100644
index 0000000..5d3bf3f
--- /dev/null
+++ b/bin/tests/system/dnssec/ns4/named4.conf.in
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key auth {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+include "trusted.conf";
+
+view rec {
+	match-recursive-only yes;
+	recursion yes;
+	dnssec-validation yes;
+	dnssec-accept-expired yes;
+	minimal-responses no;
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone secure.example {
+		type static-stub;
+		server-addresses { 10.53.0.4; };
+	};
+
+	zone insecure.secure.example {
+		type static-stub;
+		server-addresses { 10.53.0.4; };
+	};
+};
+
+view auth {
+	recursion no;
+	allow-recursion { none; };
+
+	zone secure.example {
+		type secondary;
+		primaries { 10.53.0.3; };
+	};
+
+	zone insecure.secure.example {
+		type secondary;
+		primaries { 10.53.0.2; };
+	};
+};
diff --git a/bin/tests/system/dnssec/ns4/named5.conf.in b/bin/tests/system/dnssec/ns4/named5.conf.in
new file mode 100644
index 0000000..88caaca
--- /dev/null
+++ b/bin/tests/system/dnssec/ns4/named5.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	bindkeys-file "managed.conf";
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key auth {
+	secret "1234abcd8765";
+	algorithm hmac-sha256;
+};
diff --git a/bin/tests/system/dnssec/ns5/named1.conf.in b/bin/tests/system/dnssec/ns5/named1.conf.in
new file mode 100644
index 0000000..ccb3de9
--- /dev/null
+++ b/bin/tests/system/dnssec/ns5/named1.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/dnssec/ns5/named2.conf.in b/bin/tests/system/dnssec/ns5/named2.conf.in
new file mode 100644
index 0000000..6d0474b
--- /dev/null
+++ b/bin/tests/system/dnssec/ns5/named2.conf.in
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; 127.0.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+};
+
+view root {
+	match-destinations { 127.0.0.1; };
+
+	zone "." {
+		type primary;
+		file "root.db.signed";
+	};
+};
+
+view other {
+include "revoked.conf";
+
+	zone "." {
+		type static-stub;
+		server-addresses { 127.0.0.1; };
+	};
+};
diff --git a/bin/tests/system/dnssec/ns5/sign.sh b/bin/tests/system/dnssec/ns5/sign.sh
new file mode 100644
index 0000000..df0b208
--- /dev/null
+++ b/bin/tests/system/dnssec/ns5/sign.sh
@@ -0,0 +1,39 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+echo_i "ns5/sign.sh"
+
+zone=.
+infile=../ns1/root.db.in
+zonefile=root.db.signed
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+
+# copy the KSK out first, then revoke it
+keyfile_to_initial_ds "$keyname" > revoked.conf
+
+"$SETTIME" -R now "${keyname}.key" > /dev/null
+
+# create a current set of keys, and sign the root zone
+"$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" $zone > /dev/null
+"$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK $zone > /dev/null
+"$SIGNER" -S -o "$zone" -f "$zonefile" "$infile" > /dev/null 2>&1
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone ".")
+
+keyfile_to_static_ds "$keyname" > trusted.conf
diff --git a/bin/tests/system/dnssec/ns6/named.args b/bin/tests/system/dnssec/ns6/named.args
new file mode 100644
index 0000000..4b96405
--- /dev/null
+++ b/bin/tests/system/dnssec/ns6/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -D dnssec-ns6 -X named.lock -g -T maxcachesize=2097152 -T nonearest -T tat=1
diff --git a/bin/tests/system/dnssec/ns6/named.conf.in b/bin/tests/system/dnssec/ns6/named.conf.in
new file mode 100644
index 0000000..4bdc79c
--- /dev/null
+++ b/bin/tests/system/dnssec/ns6/named.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS6
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	disable-algorithms . { @ALTERNATIVE_ALGORITHM@; };
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "optout-tld" {
+	type primary;
+	file "optout-tld.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/dnssec/ns6/optout-tld.db.in b/bin/tests/system/dnssec/ns6/optout-tld.db.in
new file mode 100644
index 0000000..b2aa393
--- /dev/null
+++ b/bin/tests/system/dnssec/ns6/optout-tld.db.in
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+optout-tld. 60 IN SOA example. . 0 0 0 0 0
+optout-tld. 60 IN NS ns6.optout-tld.
+ns6.optout-tld. 60 IN A 10.53.0.6
+a 60 PTR example.
+b 60 PTR example.
+a.b.c.d 60 NS example.
+e 60 PTR example.
+f 60 PTR example.
+g 60 PTR example.
+h 60 PTR example.
diff --git a/bin/tests/system/dnssec/ns6/sign.sh b/bin/tests/system/dnssec/ns6/sign.sh
new file mode 100644
index 0000000..6102e52
--- /dev/null
+++ b/bin/tests/system/dnssec/ns6/sign.sh
@@ -0,0 +1,29 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+echo_i "ns6/sign.sh"
+
+zone=optout-tld
+infile=optout-tld.db.in
+zonefile=optout-tld.db
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+"$SIGNER" -z -3 - -A -o "$zone" "$zonefile" > /dev/null 2>&1
diff --git a/bin/tests/system/dnssec/ns7/named.conf.in b/bin/tests/system/dnssec/ns7/named.conf.in
new file mode 100644
index 0000000..55cbec9
--- /dev/null
+++ b/bin/tests/system/dnssec/ns7/named.conf.in
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+	minimal-responses yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "nsec3.example" {
+	type secondary;
+	primaries { 10.53.0.3; };
+	file "nsec3.example.bk";
+};
+
+zone "optout.example" {
+	type secondary;
+	primaries { 10.53.0.3; };
+	file "optout.example.bk";
+};
+
+zone "nsec3-unknown.example" {
+	type secondary;
+	primaries { 10.53.0.3; };
+	file "nsec3-unknown.example.bk";
+};
+
+zone "optout-unknown.example" {
+	type secondary;
+	primaries { 10.53.0.3; };
+	file "optout-unknown.example.bk";
+};
+
+zone "multiple.example" {
+	type secondary;
+	primaries { 10.53.0.3; };
+	file "multiple.example.bk";
+};
+
+zone "nosoa.secure.example" {
+	type primary;
+	file "nosoa.secure.example.db";
+};
+
+zone "split-rrsig" {
+	type primary;
+	file "split-rrsig.db.signed";
+	allow-update { any; };
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/dnssec/ns7/named.nosoa b/bin/tests/system/dnssec/ns7/named.nosoa
new file mode 100644
index 0000000..caefbbb
--- /dev/null
+++ b/bin/tests/system/dnssec/ns7/named.nosoa
@@ -0,0 +1,12 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+Add -T nosoa.
diff --git a/bin/tests/system/dnssec/ns7/nosoa.secure.example.db b/bin/tests/system/dnssec/ns7/nosoa.secure.example.db
new file mode 100644
index 0000000..d3c9878
--- /dev/null
+++ b/bin/tests/system/dnssec/ns7/nosoa.secure.example.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300        ; 5 minutes
+@                       IN SOA  mname1. . (
+                                2010062400 ; serial
+                                20         ; refresh (20 seconds)
+                                20         ; retry (20 seconds)
+                                1814400    ; expire (3 weeks)
+                                3600       ; minimum (1 hour)
+                                )
+@                       IN NS   ns
+ns			IN A	10.53.0.7
+a			IN A	1.2.3.4
diff --git a/bin/tests/system/dnssec/ns7/sign.sh b/bin/tests/system/dnssec/ns7/sign.sh
new file mode 100644
index 0000000..551b217
--- /dev/null
+++ b/bin/tests/system/dnssec/ns7/sign.sh
@@ -0,0 +1,44 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+echo_i "ns7/sign.sh"
+
+zone=split-rrsig
+infile=split-rrsig.db.in
+zonefile=split-rrsig.db
+
+k1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+k2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$k1.key" "$k2.key" > "$zonefile"
+
+# The awk script below achieves two goals:
+#
+# - it puts one of the two RRSIG(SOA) records at the end of the zone file, so
+#   that these two records (forming a single RRset) are not placed immediately
+#   next to each other; the test then checks if RRSIG RRsets split this way are
+#   correctly added to resigning heaps,
+#
+# - it places a copy of one of the RRSIG(SOA) records somewhere else than at the
+#   zone apex; the test then checks whether such signatures are automatically
+#   removed from the zone after it is loaded.
+"$SIGNER" -P -3 - -A -o "$zone" -O full -f "$zonefile.unsplit" -e now-3600 -s now-7200 "$zonefile" > /dev/null 2>&1
+awk 'BEGIN { r = ""; }
+     $4 == "RRSIG" && $5 == "SOA" && r == "" { r = $0; next; }
+     { print }
+     END { print r; print "not-at-zone-apex." r; }' "$zonefile.unsplit" > "$zonefile.signed"
diff --git a/bin/tests/system/dnssec/ns7/split-rrsig.db.in b/bin/tests/system/dnssec/ns7/split-rrsig.db.in
new file mode 100644
index 0000000..48c2f87
--- /dev/null
+++ b/bin/tests/system/dnssec/ns7/split-rrsig.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+split-rrsig.		3660	IN SOA	. . (
+					1          ; serial
+					3600       ; refresh (1 hour)
+					3600       ; retry (1 hour)
+					3600       ; expire (1 hour)
+					3600       ; minimum (1 hour)
+					)
+			3660	NS	ns.example.
+a.split-rrsig.		3660	IN A	192.0.2.2
+b.split-rrsig.		3660	IN A	192.0.2.2
diff --git a/bin/tests/system/dnssec/ns8/named.conf.in b/bin/tests/system/dnssec/ns8/named.conf.in
new file mode 100644
index 0000000..d0278ca
--- /dev/null
+++ b/bin/tests/system/dnssec/ns8/named.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS8
+
+options {
+	query-source address 10.53.0.8;
+	notify-source 10.53.0.8;
+	transfer-source 10.53.0.8;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.8; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	minimal-responses no;
+	disable-algorithms "disabled.managed." { @DISABLED_ALGORITHM@; };
+	disable-algorithms "disabled.trusted." { @DISABLED_ALGORITHM@; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.8 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "managed.conf";
+include "trusted.conf";
+
diff --git a/bin/tests/system/dnssec/ns9/named.conf.in b/bin/tests/system/dnssec/ns9/named.conf.in
new file mode 100644
index 0000000..06530a0
--- /dev/null
+++ b/bin/tests/system/dnssec/ns9/named.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS9
+
+options {
+	query-source address 10.53.0.9;
+	notify-source 10.53.0.9;
+	transfer-source 10.53.0.9;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.9; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	forward only;
+	forwarders { 10.53.0.4; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.9 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/dnssec/ntadiff.pl b/bin/tests/system/dnssec/ntadiff.pl
new file mode 100755
index 0000000..ca80eac
--- /dev/null
+++ b/bin/tests/system/dnssec/ntadiff.pl
@@ -0,0 +1,24 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use strict;
+use Time::Piece;
+use Time::Seconds;
+
+exit 1 if (scalar(@ARGV) != 2);
+
+my $actual = Time::Piece->strptime($ARGV[0], '%d-%b-%Y %H:%M:%S.000 %z');
+my $expected = Time::Piece->strptime($ARGV[1], '%s') + ONE_WEEK;
+my $diff = abs($actual - $expected);
+
+print($diff . "\n");
diff --git a/bin/tests/system/dnssec/setup.sh b/bin/tests/system/dnssec/setup.sh
new file mode 100644
index 0000000..6aa0cd0
--- /dev/null
+++ b/bin/tests/system/dnssec/setup.sh
@@ -0,0 +1,52 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+
+copy_setports ns4/named1.conf.in ns4/named.conf
+copy_setports ns5/named1.conf.in ns5/named.conf
+
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+copy_setports ns8/named.conf.in ns8/named.conf
+
+copy_setports ns9/named.conf.in ns9/named.conf
+
+(
+    cd ns1
+    $SHELL sign.sh
+    {
+	echo "a.bogus.example.	A	10.0.0.22"
+	echo "b.bogus.example.	A	10.0.0.23"
+	echo "c.bogus.example.	A	10.0.0.23"
+    } >>../ns3/bogus.example.db.signed
+)
+
+(
+    cd ns3
+    cp -f siginterval1.conf siginterval.conf
+)
+
+(
+    cd ns5
+    $SHELL sign.sh
+)
diff --git a/bin/tests/system/dnssec/signer/example.db.in b/bin/tests/system/dnssec/signer/example.db.in
new file mode 100644
index 0000000..3ab6aa2
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/example.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+example. 60 IN SOA example. . 0 0 0 0 0
+example. 60 IN NS example.
+example. 60 IN A 1.2.3.4
+; out of zone record
+out-of-zone. 60 IN A 1.2.3.4
diff --git a/bin/tests/system/dnssec/signer/general/Kexample.com.+008+15002.key b/bin/tests/system/dnssec/signer/general/Kexample.com.+008+15002.key
new file mode 100644
index 0000000..d4b8efb
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/Kexample.com.+008+15002.key
@@ -0,0 +1,5 @@
+; This is a key-signing key, keyid 15002, for example.com.
+; Created: 20210423012926 (Fri Apr 23 11:29:26 2021)
+; Publish: 20210423012926 (Fri Apr 23 11:29:26 2021)
+; Activate: 20210423012926 (Fri Apr 23 11:29:26 2021)
+example.com. IN DNSKEY 257 3 8 AwEAAdp+oCXl7vpKA3Mmyndx6/iA+wLrtxeMUiWL7uWJ9ZF24EdS8Dye 63p0lGlyvjvM9T5dTiyEpTAdutEBr79H0MlDqIBqpadrCdJRI2S4kC+0 nq5+Aj2CEyiAamPGujwWeXwtfLAvVPfBqs42PBr6wPQIJOByFYDaZBU3 enUEWgHYy/7OnJDrt0QlswKphR6SvYtyuixiUR8J/WouWXglUY5qlC7Z vVDxs9E4q7B1mfKCyoqcFMKPh9lzEBH+IfUZ543xXEYf2BEztKB1SZ2R QnpYedjATGDcgPis46uA2gHMfvDYJTQ5UqTBtveGb3Wsqc0oRXVPMEoY 3WnWhaKDzkk=
diff --git a/bin/tests/system/dnssec/signer/general/Kexample.com.+008+15002.private b/bin/tests/system/dnssec/signer/general/Kexample.com.+008+15002.private
new file mode 100644
index 0000000..72b8e2e
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/Kexample.com.+008+15002.private
@@ -0,0 +1,13 @@
+Private-key-format: v1.3
+Algorithm: 8 (RSASHA256)
+Modulus: 2n6gJeXu+koDcybKd3Hr+ID7Auu3F4xSJYvu5Yn1kXbgR1LwPJ7renSUaXK+O8z1Pl1OLISlMB260QGvv0fQyUOogGqlp2sJ0lEjZLiQL7Sern4CPYITKIBqY8a6PBZ5fC18sC9U98GqzjY8GvrA9Agk4HIVgNpkFTd6dQRaAdjL/s6ckOu3RCWzAqmFHpK9i3K6LGJRHwn9ai5ZeCVRjmqULtm9UPGz0TirsHWZ8oLKipwUwo+H2XMQEf4h9RnnjfFcRh/YETO0oHVJnZFCelh52MBMYNyA+Kzjq4DaAcx+8NglNDlSpMG294ZvdaypzShFdU8wShjdadaFooPOSQ==
+PublicExponent: AQAB
+PrivateExponent: SD4X64/0DTONonRP+2Biej8DP7r6RcHyo1F6QtDzrg4VJ+AHaLPO/iUvsRHsTk99QwqMv3F4QMmDrHmXR3KSWQmS3Crm7M0aaTzErBfOLMfWs7EcQoQQm5KiGq1phFaWAnXzxTlRKb4SIK6T/wOr6sQKlV+DNqB++Pjn92rh67vLM8kZBUzWI14Vl9N0ib+xOOFH1oYFo7ynDgMfJhpnQSkuRfyQls3aD1eKQsNazRtZ7lFi2S0HR/V0AKYH2AQi7SdL5wH6hYba5cHfpKSw7PebI0lYkUJ4PAg3Xw7DPMkg8O0hkpLICpU8x7MPqQQ74eKDaEY+fjbL0KLL0Dy9UQ==
+Prime1: /IDRb7WzMY6wp14LqDORULoUnmiQOqkRjOQnCoEXT2KVpYwPmGMG+GR40hrMFgqqAZFVmi56VBoasWpYbSBEqM4aJv1JVimMPREk23v5i+TY93kxICO/ee9/v0hXgLmrKUkS1Kwu4a1PxLX5U/LAzXPR6zF+EHP9OKFjDRWHqN0=
+Prime2: 3YU9QdtsXofjNmlDETRwemKv45pa0oVNPmNvS1vtzIpQ3m/QSuhJxzyTgSP9x1XMiIsg63er3LOCtkRifXVE1IBrfIUgchp8YD5LsyesRl2ielE8Hw8PwSA1YjUVu90yRHcVfbZJ8lm2KyRKHgDWXz94t2Xnm/9M5XjUGuNW7l0=
+Exponent1: 7KIkpJYZyvW4ZAFk10sMgiUBMbs4f2D2i509YUC9ga4YJD7wVpVncN1nxS9L19RCopl7KbUo+yxDm8TX/dzhu3j7VVLFqbPiM1Cfw/mZUhszoii3ezFFPpbOl4rKRl66I0TSGvEKNoDfYrBPavby7Rf/wHRveifZRXspgpeMvRk=
+Exponent2: yvvtjuxW2CRiopg/+YL40lyd2cy2DpRRnKqW8BHzzGquAbWpwwopmOS8MSjewgqv2irK5pmJJTpku0nciiOsB6EJXVfLzGLSt4o96ZOf+/aPDNBla/xsLkaqRCxqlvPwvOX2DnS8O9PS5qNhOy7/QNYzcrJxUfPV7awTh/Pr040=
+Coefficient: PHxU1tqPKTpI/8nABvso0SRerc1m+RPWGRk7s/SVcADSBvEW7fUDcwiZeRfK9MdlwPvLiVozbYnRbgRQl8GuKSqAD1+Cnvn2yOQk81AgNKbuKPwF7UvKIdq/c/xnhj2bvZUVSavJ91ux/RlZNP50378Ks8bj5HJl1xzAMVHXB5o=
+Created: 20210423012926
+Publish: 20210423012926
+Activate: 20210423012926
diff --git a/bin/tests/system/dnssec/signer/general/Kexample.com.+008+63613.key b/bin/tests/system/dnssec/signer/general/Kexample.com.+008+63613.key
new file mode 100644
index 0000000..990b837
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/Kexample.com.+008+63613.key
@@ -0,0 +1,5 @@
+; This is a zone-signing key, keyid 63613, for example.com.
+; Created: 20210423012810 (Fri Apr 23 11:28:10 2021)
+; Publish: 20210423012810 (Fri Apr 23 11:28:10 2021)
+; Activate: 20210423012810 (Fri Apr 23 11:28:10 2021)
+example.com. IN DNSKEY 256 3 8 AwEAAZzun7bYfjmGDwUEn4pyJG34vsiawRMW6pEdoNMH87ozxriOzgG6 /4zTjEv8JyYjGQz2k2vcoWWcD+86xD5IUqfa1pdXXUU8bdhG9DBtW/K1 mc4P6g8heU+0f++mq/L4TPlWVZUG8lVH4H8mD6r8PsVK7v/QR7wMeg9b JpCYyxon2A9rZ4zS0J9kX9bfciQVh6ODGVENctwEK5FNp5u0VonPEIx3 5Kj+IVn/mHpfbz4LaC02s7C6Kgvn3ToFFSJczwbOaexl/d+/ai8FLJi7 8UgiAq5/178bcVLItMeY6aD5eQGkRtr2c3JZ/JR4Nf+TQAWFBnl9NSDa RH4Qa55ZNqs=
diff --git a/bin/tests/system/dnssec/signer/general/Kexample.com.+008+63613.private b/bin/tests/system/dnssec/signer/general/Kexample.com.+008+63613.private
new file mode 100644
index 0000000..1765d3f
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/Kexample.com.+008+63613.private
@@ -0,0 +1,13 @@
+Private-key-format: v1.3
+Algorithm: 8 (RSASHA256)
+Modulus: nO6ftth+OYYPBQSfinIkbfi+yJrBExbqkR2g0wfzujPGuI7OAbr/jNOMS/wnJiMZDPaTa9yhZZwP7zrEPkhSp9rWl1ddRTxt2Eb0MG1b8rWZzg/qDyF5T7R/76ar8vhM+VZVlQbyVUfgfyYPqvw+xUru/9BHvAx6D1smkJjLGifYD2tnjNLQn2Rf1t9yJBWHo4MZUQ1y3AQrkU2nm7RWic8QjHfkqP4hWf+Yel9vPgtoLTazsLoqC+fdOgUVIlzPBs5p7GX9379qLwUsmLvxSCICrn/XvxtxUsi0x5jpoPl5AaRG2vZzcln8lHg1/5NABYUGeX01INpEfhBrnlk2qw==
+PublicExponent: AQAB
+PrivateExponent: N4egcDzO/V/YdLgcFAsrpNY9/BH2e+DCA7NuMv4/WgX0LV4quyYGQzigDksdNzt4I8Qkiig53BCK+uXahwdkaAzhng/F6zfkzoDc6z3nKUzlLasn8U6w9Gk0VAKwGXuPETNheShKG68hWxyGssQrGfjX9SEoIPxxPHnOfZ/zTj95KAnVV5qPz90xVAb0+FUrLXAt72KuRwepOTlsETsMFDKe17uUCqCCdX98Ko0u14wrO6zGRQtNhUsfvNB/pY8fvbHD1GcCTbFSx4FxsUsZMrNtMsvMe3HN9ggC0Y9htbH9HV0hS0w9SKCUyoeOVwf/JZL4hlfoe8+jglsyJpAgoQ==
+Prime1: zeXvO3PT4iXv9GlGeebl39pF1sXs8tXY4B9VHUJGGSYlyOlyCEy4URQJIPfuL6VjFKCErSxUJSrGz0HyQuKr8l9qP/0MGxGRH7wxvUR7YTmai84yyQ4fFENRmn8bzxGwj0MVHIW7cKC59j7nWT24gseT21/NP5m8EnPsjz/K40M=
+Prime2: wx5vVFSydUfr8HtOHNS1kRrTjhnQOfjmj8SxGi72Hk+mgi9fBCTC5fRLifd80wGbgyFk1vZOXeStOC8L3IlnBGLX0O9MNip+vVX3hRzIRhLwHhL1ygN3xEd04qwVH0XJ8+4A0XCzh/FJgW59F62geN6gwedo7GmZAOSZUBAyRHk=
+Exponent1: IlkqeLuQ7Fgx2I87b5iiXp62Keco6TXdkT4I3/GvagCgKw0utc2+rd/uye4ycQZhKg7BM3aCrxScx/STaq8PykY6nmQjgdyDXkzx60YiYwzOCGakuD+/1YyJb4Gm7PthffTN780rgNV/UGIcDBoszrxmoSExR1vpMRbfruIQgas=
+Exponent2: or0Os/KUibc79W6Snv9WlLkgPAQRpViQzNaLtD/47R0Xzrs975HNsMgJ/P+bb86Ga1994MC8ahmh1BuBNCax8nmScWQ1V3QoEzjRYoe4DqIa/aposF4mFWJX/fry/wtRPo+CxSzPwJGh8j86PHaHQmjFAhVFcPE+OP1xVdK8alk=
+Coefficient: r5wPmPXUF5pVC0Y7La3jVkL4w/3wvq9LBz91tH9gA8OUNLpDDBuFZISiJdhOZ4JVw+qSSoHcEa+3Phd+BqxmXzwZDU1Fqta9mLDDGCqCWjVQOopeeJgrvkv9P0TIzEuoGmW50cQhyqHYCtuUxjOnHfiQSc53p7rfD4Vom1VQ3Ok=
+Created: 20210423012810
+Publish: 20210423012810
+Activate: 20210423012810
diff --git a/bin/tests/system/dnssec/signer/general/Kexample.com.+010+18240.key b/bin/tests/system/dnssec/signer/general/Kexample.com.+010+18240.key
new file mode 100644
index 0000000..47003a4
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/Kexample.com.+010+18240.key
@@ -0,0 +1,5 @@
+; This is a zone-signing key, keyid 18240, for example.com.
+; Created: 20211221062121 (Tue Dec 21 17:21:21 2021)
+; Publish: 20211221062121 (Tue Dec 21 17:21:21 2021)
+; Activate: 20211221062121 (Tue Dec 21 17:21:21 2021)
+example.com. IN DNSKEY 256 3 10 AwEAAe5GunnuJFyzmKiGUknSQY3aPtR5UR8vNLLyMCJswffRzoYwY14/ 60ZTsqzh7N+lJV3KAOraocFSsTnmWIM7D7DPpqtaJMQw90ypBG0cnUP1 wKX9L/gdOH/ITlluBiZpCv9Aux3FRECHBO4Gx8Rse8ST2Vag3UuOPW+q HkLsWQt22K/hYuDhEtUWWx2dTIaXUVXNSNbk2zPL+lhC9PaRV+//1Fjo UX4qXCUuUN4TiqlkK2v4UkcIyld1n2R7qTQAkoN9amGFtPu8z5Zw7CxC San03yUSNuKub3fGys11gQRFuEHRX7FxKxvJjmcngG9qCh8AyfHZ8zYb VstTy1unFoM=
diff --git a/bin/tests/system/dnssec/signer/general/Kexample.com.+010+18240.private b/bin/tests/system/dnssec/signer/general/Kexample.com.+010+18240.private
new file mode 100644
index 0000000..f16b627
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/Kexample.com.+010+18240.private
@@ -0,0 +1,13 @@
+Private-key-format: v1.3
+Algorithm: 10 (RSASHA512)
+Modulus: 7ka6ee4kXLOYqIZSSdJBjdo+1HlRHy80svIwImzB99HOhjBjXj/rRlOyrOHs36UlXcoA6tqhwVKxOeZYgzsPsM+mq1okxDD3TKkEbRydQ/XApf0v+B04f8hOWW4GJmkK/0C7HcVEQIcE7gbHxGx7xJPZVqDdS449b6oeQuxZC3bYr+Fi4OES1RZbHZ1MhpdRVc1I1uTbM8v6WEL09pFX7//UWOhRfipcJS5Q3hOKqWQra/hSRwjKV3WfZHupNACSg31qYYW0+7zPlnDsLEJJqfTfJRI24q5vd8bKzXWBBEW4QdFfsXErG8mOZyeAb2oKHwDJ8dnzNhtWy1PLW6cWgw==
+PublicExponent: AQAB
+PrivateExponent: U/ipDv9V4TWJvxpXNZzbbVpUehym8g54y/d97yPU17kgxzmWS0jLaWVluneEOuzAVmUyHZIfHzo9KuJ6nwTZar5DRm/mNR3siR+nZ6yF38VjtxubJB1oI+A7fFjB4hdywLHXP46dlv/+RMQu8pIorAZOubDHTDE8hXW2ZG9WkisJ5P7KoaL4KFHHHXi5vsXAMph4Zphd/zPxVL2tHD3l5c3QXRpQWfTNZNQcZ1f/4yVCuMRibg5LCvpia0ZwRrlygfZdAHUUd0VJDfRO45J5nlIJSAHQtjYtVTL+xNISWOHXovVlInkVyluACqfX94I7qPXTu41yg3SxrrtHE6RTwQ==
+Prime1: +/YsRxmUxgvHKUh4SxdjzqNDDEi8b2BtM5IpctjVG3oYsL6J9xJB3U5/lbrGEPgl/1ndBUSXMQ6zQ5WcDE1qBAdW8t0eyniyuiexcgQ9f04Ds7p7oUiSHGLRn8YqQOzmiASXoZmkzfJZ+42pGhT3RZ+aYKtWQGMHqXabwV3zZl0=
+Prime2: 8hhnKzPzExy6wv/MV0aYKo1g4azrRjug6743/ctTC7zjnMmDW7RMFTXmq5Tu3pFaIL4N4C4m1b7P3abfTrjm+DwHnrlRIvLWS3zJnvUEM22i4BwqqTLRiJpoT5Bfp4pVsdOPT7Iyx1q5UsJZ7Q4qMpg2TFpGiQyieRB5Xwpu4l8=
+Exponent1: ZFPx7Z3SD8pA0793pu75Xx7DY/DSl8bdtNtOhdyxfu9vRXGZnjg24diQFR76H2ewOa2exKo7Sd2ApDi+mmd4/4Gsrag+yoClKlsD3VKy6i42ayqmb+Jly8fNkMFnsdKjOSYa+s4jQZ5vFiuiWjBfBeo3nqabAahtNJ12B9lRQkE=
+Exponent2: tNz4TnVsFo4zFLVHsrghvECM7WxjBMBNc3FToT6CV1WRcjO1+A/Ve08eenc0kYBjpex2r1GrX6pC3uPpFoXav/8Q7kqiTArBf/nFIwUHU2iH8wf38xntIjHA1hgU7jTR2p0kBrUpbHfh1esuhYQ8kDnY7ufOpFqVEv70vcUsm98=
+Coefficient: 3acDCJ9jCnHAP1km7jRO388mOpiI8U6SMv0PBD8l2UoB4CYwujrFxy6PhgUa486bbm5xZEaOwhYZcbw/g1qyC6Qt5kYOb2fVWOob/lEQmyqbDvHMQWTJoIbqaDTKQN/szI4xVdb/xZ6QR4Bq7JgbJpUACgweS540Y7Lf8Dry8C0=
+Created: 20211221062121
+Publish: 20211221062121
+Activate: 20211221062121
diff --git a/bin/tests/system/dnssec/signer/general/Kexample.com.+010+28633.key b/bin/tests/system/dnssec/signer/general/Kexample.com.+010+28633.key
new file mode 100644
index 0000000..37bd259
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/Kexample.com.+010+28633.key
@@ -0,0 +1,5 @@
+; This is a key-signing key, keyid 28633, for example.com.
+; Created: 20211221062130 (Tue Dec 21 17:21:30 2021)
+; Publish: 20211221062130 (Tue Dec 21 17:21:30 2021)
+; Activate: 20211221062130 (Tue Dec 21 17:21:30 2021)
+example.com. IN DNSKEY 257 3 10 AwEAAc4lt8fDsdCzMCLHxXm8Ok/dw6XDiqx06Rf47LTeLmo6b64xm1Fs 0zloNMrcZDgwS5IxjQ3Breqc5aEc+jehueqCXa/fJXMdIt1VpUG0H7GP 4B+1IVmEiziHfmOozktdkuAyLqcsNhsf+J1+bCoHJSffgz6KbjBks/jR 12uyUnZCDrKGE/KfiR0gpT3watqGqqChO0KXq2N2PsnYfyRDea5FMUjM oPgOOyAT8LIMsM8x4f+EbU6m9Zc3Esafek9iLCS9R1333Pm1EEh5ghQT BsZ7omc5aSvrKUaIneojU3RdofceZouCliIDXmqscfY0y6bivGcmCQI/ LM4XUh7GWlM=
diff --git a/bin/tests/system/dnssec/signer/general/Kexample.com.+010+28633.private b/bin/tests/system/dnssec/signer/general/Kexample.com.+010+28633.private
new file mode 100644
index 0000000..6d7f72e
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/Kexample.com.+010+28633.private
@@ -0,0 +1,13 @@
+Private-key-format: v1.3
+Algorithm: 10 (RSASHA512)
+Modulus: ziW3x8Ox0LMwIsfFebw6T93DpcOKrHTpF/jstN4uajpvrjGbUWzTOWg0ytxkODBLkjGNDcGt6pzloRz6N6G56oJdr98lcx0i3VWlQbQfsY/gH7UhWYSLOId+Y6jOS12S4DIupyw2Gx/4nX5sKgclJ9+DPopuMGSz+NHXa7JSdkIOsoYT8p+JHSClPfBq2oaqoKE7QperY3Y+ydh/JEN5rkUxSMyg+A47IBPwsgywzzHh/4RtTqb1lzcSxp96T2IsJL1HXffc+bUQSHmCFBMGxnuiZzlpK+spRoid6iNTdF2h9x5mi4KWIgNeaqxx9jTLpuK8ZyYJAj8szhdSHsZaUw==
+PublicExponent: AQAB
+PrivateExponent: Wr3fl99cdjFqDuVA18UzJdTIOj9I24Da2eKIz1S9uaTfZB4R8FWm5K4qDuHUe6dGnKOTI2sN0ygdLD5FJhfabo/UDYZ8RZ+dqS/5/mH7UX2zekGQ3Iargcaiq9uycxpNfMKaJpwfdPEtzqXHlvhuMo8AhpcIyeSKFAzKdm2YPtUqIrum4RARHyfRLfLyWlkIotPdyiaKCVGQxiRbFsTcmIB2Bizmt7zRjlB+Hxf8MooXmaKUFRQtMCLnFGK0ecFI1CWAxmLSanvYVKQ0HxcFkFKzRiZAz1au7ZfMgYDZj0jF72WAGU3Edcmdc0QIQRTWjb/3wcBfwlr9s6lKoF3ngQ==
+Prime1: 1EIziKhz7dF41rb/hckdr2qeY8eM7tLrT5jIMPLISHCCuKm5IK2u7PY6m6NjMdhx1ilm7K2RGTt+TTFZaqDIEd8qpzRCxAGcfTVOmB9iHwmi9i9RoPSlY6o+iShft68ZnvPiGJWUF2huRYVK2F0cIWErwSqaBGsFd79mXmlkn98=
+Prime2: +KEdNtZj9JyCCR2xbLAw3tnAYxHvJ3skVMjxV3cyUupMWi12NWxGhHH1nnetXxDR2LBBuqIl4pE/4MeXe3sClMHTL3Z9XG+pzQAsHS7yvsfZERdyuWZYYy0ya/7XY2auvRVO6LxN7d47VWjYxAGfoCsbCEivgDxmt1dTZhAtRA0=
+Exponent1: d5TcZ69PsLoEtCLhDkRh/wO4PEqeMaaOf4d5sWn2QCly3Apyi+CN3l5SYoDIT7q7V4Z3v/uA9ZA49dBJqfLvBHKQGycsPjUSLtAreTSlGQtazguWl3F9BAtTs/4U/u0dKBoKVQNgLVfeWDhiFEdQo9WUyvzvTHHm4LHqQGJsGE0=
+Exponent2: EU2dK+DVygNOZXYEkAzfCdNbuUlZPIUsbR4i9bRc8zpNIAWD8YncioEn1+R6U2BnSk5R9LwuKMt1B568YyKXdmTa3rW/WbyHs7WsXEeVK0PbTn40RMTjp9tQZAWzVb6isJQYDsh0H/bUaEhItbNrOYlmczgjxqftehsAudysWc0=
+Coefficient: sl2u/8vttxpiTbspGV4SsaDmKUNdzQH7BgJ5rl3mXPp/aUpLw0Sr7FuARy8W8tq3yVNi9qCOnvGwVl6aQzZP7b8N04KiH8gewlAVdSfxG24yFKJIQNbWGKFZYZFYyjtLVlpK6NYF0f0I1KpAjn58XR0qIBvRFZYWBAkggU9C7ro=
+Created: 20211221062130
+Publish: 20211221062130
+Activate: 20211221062130
diff --git a/bin/tests/system/dnssec/signer/general/bogus-ksk.key b/bin/tests/system/dnssec/signer/general/bogus-ksk.key
new file mode 100644
index 0000000..e468574
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/bogus-ksk.key
@@ -0,0 +1,6 @@
+;
+; This is a bogus key.  It will not have a .private file.
+;
+; This will be key id 23221
+;
+example.com. IN DNSKEY 257 3 10 AwEAAbcyptpM++pVjhpYQW2fVtyOw04IBSw4X0SYi/Ke4wVkmDNW2vBm AFkgiVVKmmNbb0IHDYQiIY7seXk0fjEwjzeY2bmeOAZxDdv2KT9VQpoY Matk2y4NTi6F/V04x0lL/CBvyifTeNbZKvY+S1eKFuWHeS5Ss8tiagz9 zdYWUe/msvmin+Hbs2tlLwXVl4hOmABCL9uK9H8R6GPL5VdEXYyFOh/v 71CNhRU5ufrARti69YYkfzH6NpWhlJWyJvDjqAdt2L3H8V71C2vcXbBu S5NscEYl+8JQfwUvOTN553I5IQrG+NQEusW36UM/Rkad8mMnUVM9Vzqk GH86GHKtLMc=
diff --git a/bin/tests/system/dnssec/signer/general/bogus-zsk.key b/bin/tests/system/dnssec/signer/general/bogus-zsk.key
new file mode 100644
index 0000000..aa45938
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/bogus-zsk.key
@@ -0,0 +1,6 @@
+;
+; This is a bogus key.  It will not have a .private file.
+;
+; This will be key id 48930
+;
+example.com. IN DNSKEY 256 3 10 AwEAAa/0IcnbGutPVkrz04tw5ZIYx6rU+FprB2rlKS8cTK/wiBOqbOC6 QIDdegDpZG1fOdj04ZQGa3pIizqC2CnlIWfxpfR6W+qSLRBuQ8gmwTmS c/Jy/0vAGB3fv3oVIqKslLNqIXZb3CKNiA2kGcut3aUgfeOW970Jga6z PAGKqPpPZTelW1Qy9N5BO4cRTuYo4uvbZveJv1W/2n5RN+UaeqU0f+AE DP0+wqSWNUfZsi6HygLwk08x3eO8PzTBlqBlAMfvNAygrmXqccMREyyH KEc5dVJ1qOXfj8BAdJUPmunyJhIwC9PxzOW7mn1lW7mZO2D5U/Jaxw2k eX2KblmVk8s=
diff --git a/bin/tests/system/dnssec/signer/general/test1.zone b/bin/tests/system/dnssec/signer/general/test1.zone
new file mode 100644
index 0000000..98c9f02
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/test1.zone
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;	This is a zone which has two DNSKEY records, both of which have
+; existing private key files available.  They should be loaded automatically
+; and the zone correctly signed.
+;
+$TTL 3600
+example.com.	IN	SOA ns hostmaster 00090000 1200 3600 604800 300
+$include Kexample.com.+010+18240.key
+$include Kexample.com.+010+28633.key
diff --git a/bin/tests/system/dnssec/signer/general/test2.zone b/bin/tests/system/dnssec/signer/general/test2.zone
new file mode 100644
index 0000000..97c0d3d
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/test2.zone
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;	This is a zone which has one non-KSK DNSKEY record for which the
+; private key file exists.  It should be loaded automatically and the zone
+; correctly signed.
+;
+$TTL 3600
+example.com.	IN	SOA ns hostmaster 00090000 1200 3600 604800 300
+$include Kexample.com.+010+18240.key
diff --git a/bin/tests/system/dnssec/signer/general/test3.zone b/bin/tests/system/dnssec/signer/general/test3.zone
new file mode 100644
index 0000000..bf9bc66
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/test3.zone
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;       This is a zone which has one KSK DNSKEY record for which the
+; private key file exists.  It should be loaded automatically.  As there
+; is no non-KSK DNSKEY the resulting zone should be rejected.
+;
+$TTL 3600
+example.com.	IN	SOA ns hostmaster 00090000 1200 3600 604800 300
+$include Kexample.com.+010+28633.key
diff --git a/bin/tests/system/dnssec/signer/general/test4.zone b/bin/tests/system/dnssec/signer/general/test4.zone
new file mode 100644
index 0000000..9f05de5
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/test4.zone
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;	This is a zone which has three DNSKEY records, two (KSK + ZSK) of
+; which have existing private key files available.  The third is a
+; pre-published ZSK.
+;
+$TTL 3600
+example.com.	IN	SOA ns hostmaster 00090000 1200 3600 604800 300
+$include Kexample.com.+010+18240.key
+$include Kexample.com.+010+28633.key
+$include bogus-zsk.key
diff --git a/bin/tests/system/dnssec/signer/general/test5.zone b/bin/tests/system/dnssec/signer/general/test5.zone
new file mode 100644
index 0000000..d61504f
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/test5.zone
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;	This is a zone which has three DNSKEY records, two (KSK +ZSK) of which
+; have existing private key files available.  The third is a KSK.
+;
+$TTL 3600
+example.com.	IN	SOA ns hostmaster 00090000 1200 3600 604800 300
+$include Kexample.com.+010+18240.key
+$include Kexample.com.+010+28633.key
+$include bogus-ksk.key
diff --git a/bin/tests/system/dnssec/signer/general/test6.zone b/bin/tests/system/dnssec/signer/general/test6.zone
new file mode 100644
index 0000000..fcfb1ec
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/test6.zone
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;	This is a zone which has four DNSKEY records, two (KK + ZSK) of which
+; have existing private key files available.  There are also a KSK and ZSK
+; for which there will be no signatures.
+;
+$TTL 3600
+example.com.	IN	SOA ns hostmaster 00090000 1200 3600 604800 300
+$include Kexample.com.+010+18240.key
+$include Kexample.com.+010+28633.key
+$include bogus-ksk.key
+$include bogus-zsk.key
diff --git a/bin/tests/system/dnssec/signer/general/test7.zone b/bin/tests/system/dnssec/signer/general/test7.zone
new file mode 100644
index 0000000..e52c535
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/test7.zone
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;	This is a zone which has two DNSKEY records, none of which have
+; existing private key files available.  The resulting zone should fail
+; the consistency tests.
+;
+$TTL 3600
+example.com.	IN	SOA ns hostmaster 00090000 1200 3600 604800 300
+$include bogus-ksk.key
+$include bogus-zsk.key
diff --git a/bin/tests/system/dnssec/signer/general/test8.zone b/bin/tests/system/dnssec/signer/general/test8.zone
new file mode 100644
index 0000000..893d32d
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/test8.zone
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;	This is a zone which has two DNSKEY records, one of which,
+; the KSK, has a private key.  The resulting zone should be rejected as
+; it has no ZSK signatures.
+;
+$TTL 3600
+example.com.	IN	SOA ns hostmaster 00090000 1200 3600 604800 300
+$include Kexample.com.+010+28633.key
+$include bogus-zsk.key
diff --git a/bin/tests/system/dnssec/signer/general/test9.zone b/bin/tests/system/dnssec/signer/general/test9.zone
new file mode 100644
index 0000000..14c47d0
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/general/test9.zone
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;	This is a zone which has two DNSKEY records, both of which have
+; existing private key files available.  They should be loaded automatically
+; and the zone correctly signed.
+;
+$TTL 3600
+example.com.	IN	SOA ns hostmaster 00090000 1200 3600 604800 300
+$include Kexample.com.+008+63613.key
+$include Kexample.com.+008+15002.key
diff --git a/bin/tests/system/dnssec/signer/prepub.db.in b/bin/tests/system/dnssec/signer/prepub.db.in
new file mode 100644
index 0000000..946aac1
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/prepub.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+prepub. 60 IN SOA prepub. . 0 0 0 0 0
+prepub. 60 IN NS prepub.
+prepub. 60 IN A 1.2.3.4
+; out of zone record
+out-of-zone. 60 IN A 1.2.3.4
diff --git a/bin/tests/system/dnssec/signer/remove.db.in b/bin/tests/system/dnssec/signer/remove.db.in
new file mode 100644
index 0000000..5629a42
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/remove.db.in
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+remove. 60 IN SOA remove. . 0 0 0 0 0
+remove. 60 IN NS remove.
+remove. 60 IN A 1.2.3.4
+remove. 60 IN AAAA ::ffff:1.2.3.4
+remove. 60 IN MX 0 remove.
+$INCLUDE remove.db.signed
diff --git a/bin/tests/system/dnssec/signer/remove2.db.in b/bin/tests/system/dnssec/signer/remove2.db.in
new file mode 100644
index 0000000..b2962b9
--- /dev/null
+++ b/bin/tests/system/dnssec/signer/remove2.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+remove. 60 IN SOA remove. . 0 0 0 0 0
+remove. 60 IN NS remove.
+remove. 60 IN A 1.2.3.4
+$INCLUDE remove.db.signed
diff --git a/bin/tests/system/dnssec/tests.sh b/bin/tests/system/dnssec/tests.sh
new file mode 100644
index 0000000..97bffb5
--- /dev/null
+++ b/bin/tests/system/dnssec/tests.sh
@@ -0,0 +1,4446 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+status=0
+n=1
+
+rm -f dig.out.*
+
+dig_with_opts() {
+    "$DIG" +tcp +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" "$@"
+}
+
+dig_with_additionalopts() {
+    "$DIG" +noall +additional +dnssec -p "$PORT" "$@"
+}
+
+dig_with_answeropts() {
+    "$DIG" +noall +answer +dnssec -p "$PORT" "$@"
+}
+
+delv_with_opts() {
+    "$DELV" -a ns1/trusted.conf -p "$PORT" "$@"
+}
+
+rndccmd() {
+    "$RNDC" -c ../common/rndc.conf -p "$CONTROLPORT" -s "$@"
+}
+
+# TODO: Move loadkeys_on to conf.sh.common
+dnssec_loadkeys_on() {
+	nsidx=$1
+	zone=$2
+	nextpart ns${nsidx}/named.run > /dev/null
+	rndccmd 10.53.0.${nsidx} loadkeys ${zone} | sed "s/^/ns${nsidx} /" | cat_i
+	wait_for_log 20 "next key event" ns${nsidx}/named.run || return 1
+}
+
+# convert private-type records to readable form
+showprivate () {
+    echo "-- $* --"
+    dig_with_opts +nodnssec +short "@$2" -t type65534 "$1" | cut -f3 -d' ' |
+        while read -r record; do
+	    # shellcheck disable=SC2016
+            $PERL -e 'my $rdata = pack("H*", @ARGV[0]);
+                die "invalid record" unless length($rdata) == 5;
+                my ($alg, $key, $remove, $complete) = unpack("CnCC", $rdata);
+                my $action = "signing";
+                $action = "removing" if $remove;
+                my $state = " (incomplete)";
+                $state = " (complete)" if $complete;
+                print ("$action: alg: $alg, key: $key$state\n");' "$record"
+        done
+}
+
+# check that signing records are marked as complete
+checkprivate () {
+    for i in 1 2 3 4 5 6 7 8 9 10; do
+        showprivate "$@" | grep -q incomplete || return 0
+	sleep 1
+    done
+    echo_d "$1 signing incomplete"
+    return 1
+}
+
+# check that a zone file is raw format, version 0
+israw0 () {
+    # shellcheck disable=SC2016
+    < "$1" $PERL -e 'binmode STDIN;
+	             read(STDIN, $input, 8);
+	             ($style, $version) = unpack("NN", $input);
+	             exit 1 if ($style != 2 || $version != 0);' || return $?
+}
+
+# check that a zone file is raw format, version 1
+israw1 () {
+    # shellcheck disable=SC2016
+    < "$1" $PERL -e 'binmode STDIN;
+		     read(STDIN, $input, 8);
+                     ($style, $version) = unpack("NN", $input);
+                     exit 1 if ($style != 2 || $version != 1);' || return $?
+}
+
+# strip NS and RRSIG NS from input
+stripns () {
+    awk '($4 == "NS") || ($4 == "RRSIG" && $5 == "NS") { next} { print }' "$1"
+}
+
+#
+# Ensure there is not multiple consecutive blank lines.
+# Ensure there is a blank line before "Start view" and
+# "Negative trust anchors:".
+# Ensure there is not a blank line before "Secure roots:".
+#
+check_secroots_layout () {
+	awk '$0 == "" { if (empty) exit(1); empty=1; next }
+	     /Start view/ { if (!empty) exit(1) }
+	     /Secure roots:/ { if (empty) exit(1) }
+	     /Negative trust anchors:/ { if (!empty) exit(1) }
+	     { empty=0 }' $1 || return $?
+}
+
+# Check that for a query against a validating resolver where the
+# authoritative zone is unsigned (insecure delegation), glue is returned
+# in the additional section
+echo_i "checking that additional glue is returned for unsigned delegation ($n)"
+ret=0
+$DIG +tcp +dnssec -p "$PORT" a.insecure.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+grep "ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ns\\.insecure\\.example\\..*A.10\\.53\\.0\\.3" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Check the example. domain
+
+echo_i "checking that zone transfer worked ($n)"
+for i in 1 2 3 4 5 6 7 8 9
+do
+	ret=0
+	dig_with_opts a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+	dig_with_opts a.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+	$PERL ../digcomp.pl dig.out.ns2.test$n dig.out.ns3.test$n > /dev/null || ret=1
+	[ "$ret" -eq 0 ] && break
+	sleep 1
+done
+digcomp dig.out.ns2.test$n dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# test AD bit:
+#  - dig +adflag asks for authentication (ad in response)
+echo_i "checking AD bit asking for validation ($n)"
+ret=0
+dig_with_opts +noauth +noadd +nodnssec +adflag a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth +noadd +nodnssec +adflag a.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# test AD bit:
+#  - dig +noadflag
+echo_i "checking that AD is not set without +adflag or +dnssec ($n)"
+ret=0
+dig_with_opts +noauth +noadd +nodnssec +noadflag a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth +noadd +nodnssec +noadflag a.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking for AD in authoritative answer ($n)"
+ret=0
+dig_with_opts a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking positive validation NSEC ($n)"
+ret=0
+dig_with_opts +noauth a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth a.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that 'example/DS' from the referral was used in previous validation ($n)"
+ret=0
+grep "query 'example/DS/IN' approved" ns1/named.run > /dev/null && ret=1
+grep "fetch: example/DS" ns4/named.run > /dev/null && ret=1
+grep "validating example/DS: starting" ns4/named.run > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking positive validation NSEC using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a a.example > delv.out$n || ret=1
+   grep "a.example..*10.0.0.1" delv.out$n > /dev/null || ret=1
+   grep "a.example..*.RRSIG.A [0-9][0-9]* 2 300 .*" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+
+   ret=0
+   echo_i "checking positive validation NSEC using dns_client (trusted-keys) ($n)"
+   "$DELV" -a ns1/trusted.keys -p "$PORT" @10.53.0.4 a a.example > delv.out$n || ret=1
+   grep "a.example..*10.0.0.1" delv.out$n > /dev/null || ret=1
+   grep "a.example..*.RRSIG.A [0-9][0-9]* 2 300 .*" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking positive validation NSEC3 ($n)"
+ret=0
+dig_with_opts +noauth a.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking positive validation NSEC3 using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a a.nsec3.example > delv.out$n || ret=1
+   grep "a.nsec3.example..*10.0.0.1" delv.out$n > /dev/null || ret=1
+   grep "a.nsec3.example..*RRSIG.A [0-9][0-9]* 3 300.*" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking positive validation OPTOUT ($n)"
+ret=0
+dig_with_opts +noauth a.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+SP="[[:space:]]+"
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking positive validation OPTOUT using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a a.optout.example > delv.out$n || ret=1
+   grep -Eq "^a\\.optout\\.example\\.""$SP""[0-9]+""$SP""IN""$SP""A""$SP""10.0.0.1" delv.out$n || ret=1
+   grep -Eq "^a\\.optout\\.example\\.""$SP""[0-9]+""$SP""IN""$SP""RRSIG""$SP""A""$SP""$DEFAULT_ALGORITHM_NUMBER""$SP""3""$SP""300" delv.out$n || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking positive wildcard validation NSEC ($n)"
+ret=0
+dig_with_opts a.wild.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts a.wild.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+stripns dig.out.ns3.test$n > dig.out.ns3.stripped.test$n
+stripns dig.out.ns4.test$n > dig.out.ns4.stripped.test$n
+digcomp dig.out.ns3.stripped.test$n dig.out.ns4.stripped.test$n || ret=1
+grep "\\*\\.wild\\.example\\..*RRSIG	NSEC" dig.out.ns4.test$n > /dev/null || ret=1
+grep "\\*\\.wild\\.example\\..*NSEC	z\\.example" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking positive wildcard validation NSEC using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a a.wild.example > delv.out$n || ret=1
+   grep "a.wild.example..*10.0.0.27" delv.out$n > /dev/null || ret=1
+   grep -E "a.wild.example..*RRSIG.A [0-9]+ 2 300.*" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking positive wildcard answer NSEC3 ($n)"
+ret=0
+dig_with_opts a.wild.nsec3.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+grep "AUTHORITY: 4," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking positive wildcard answer NSEC3 ($n)"
+ret=0
+dig_with_opts a.wild.nsec3.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+grep "AUTHORITY: 4," dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking positive wildcard validation NSEC3 ($n)"
+ret=0
+dig_with_opts a.wild.nsec3.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts a.wild.nsec3.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+stripns dig.out.ns3.test$n > dig.out.ns3.stripped.test$n
+stripns dig.out.ns4.test$n > dig.out.ns4.stripped.test$n
+digcomp dig.out.ns3.stripped.test$n dig.out.ns4.stripped.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking positive wildcard validation NSEC3 using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a a.wild.nsec3.example > delv.out$n || ret=1
+   grep -E "a.wild.nsec3.example..*10.0.0.6" delv.out$n > /dev/null || ret=1
+   grep -E "a.wild.nsec3.example..*RRSIG.A [0-9][0-9]* 3 300.*" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking positive wildcard validation OPTOUT ($n)"
+ret=0
+dig_with_opts a.wild.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts a.wild.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+stripns dig.out.ns3.test$n > dig.out.ns3.stripped.test$n
+stripns dig.out.ns4.test$n > dig.out.ns4.stripped.test$n
+digcomp dig.out.ns3.stripped.test$n dig.out.ns4.stripped.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking positive wildcard validation OPTOUT using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a a.wild.optout.example > delv.out$n || ret=1
+   grep "a.wild.optout.example..*10.0.0.6" delv.out$n > /dev/null || ret=1
+   grep "a.wild.optout.example..*RRSIG.A [0-9][0-9]* 3 300.*" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking negative validation NXDOMAIN NSEC ($n)"
+ret=0
+dig_with_opts +noauth q.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth q.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking negative validation NXDOMAIN NSEC using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a q.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxdomain" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking negative validation NXDOMAIN NSEC3 ($n)"
+ret=0
+dig_with_opts +noauth q.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth q.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking negative validation NXDOMAIN NSEC3 using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a q.nsec3.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxdomain" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking negative validation NXDOMAIN OPTOUT ($n)"
+ret=0
+dig_with_opts +noauth q.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth q.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking negative validation NXDOMAIN OPTOUT using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a q.optout.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxdomain" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking negative validation NODATA NSEC ($n)"
+ret=0
+dig_with_opts +noauth a.example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth a.example. @10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking negative validation NODATA OPTOUT using dns_client ($n)"
+   delv_with_opts @10.53.0.4 txt a.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxrrset" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking negative validation NODATA NSEC3 ($n)"
+ret=0
+dig_with_opts +noauth a.nsec3.example. \
+	@10.53.0.3 txt > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.nsec3.example. \
+	@10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking negative validation NODATA NSEC3 using dns_client ($n)"
+   delv_with_opts @10.53.0.4 txt a.nsec3.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxrrset" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking negative validation NODATA OPTOUT ($n)"
+ret=0
+dig_with_opts +noauth a.optout.example. \
+	@10.53.0.3 txt > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.optout.example. \
+	@10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking negative validation NODATA OPTOUT using dns_client ($n)"
+   delv_with_opts @10.53.0.4 txt a.optout.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxrrset" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking negative wildcard validation NSEC ($n)"
+ret=0
+dig_with_opts b.wild.example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+dig_with_opts b.wild.example. @10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking negative wildcard validation NSEC using dns_client ($n)"
+   delv_with_opts @10.53.0.4 txt b.wild.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxrrset" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking negative wildcard validation NSEC3 ($n)"
+ret=0
+dig_with_opts b.wild.nsec3.example. @10.53.0.3 txt > dig.out.ns3.test$n || ret=1
+dig_with_opts b.wild.nsec3.example. @10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking negative wildcard validation NSEC3 using dns_client ($n)"
+   delv_with_opts @10.53.0.4 txt b.wild.nsec3.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxrrset" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking negative wildcard validation OPTOUT ($n)"
+ret=0
+dig_with_opts b.wild.optout.example. \
+	@10.53.0.3 txt > dig.out.ns3.test$n || ret=1
+dig_with_opts b.wild.optout.example. \
+	@10.53.0.4 txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking negative wildcard validation OPTOUT using dns_client ($n)"
+   delv_with_opts @10.53.0.4 txt b.optout.nsec3.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxrrset" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+# Check the insecure.example domain
+
+echo_i "checking 1-server insecurity proof NSEC ($n)"
+ret=0
+dig_with_opts +noauth a.insecure.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.insecure.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking 1-server insecurity proof NSEC using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a a.insecure.example > delv.out$n || ret=1
+   grep "a.insecure.example..*10.0.0.1" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking 1-server insecurity proof NSEC3 ($n)"
+ret=0
+dig_with_opts +noauth a.insecure.nsec3.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.insecure.nsec3.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking 1-server insecurity proof NSEC3 using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a a.insecure.nsec3.example > delv.out$n || ret=1
+   grep "a.insecure.nsec3.example..*10.0.0.1" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking 1-server insecurity proof OPTOUT ($n)"
+ret=0
+dig_with_opts +noauth a.insecure.optout.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.insecure.optout.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking 1-server insecurity proof OPTOUT using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a a.insecure.optout.example > delv.out$n || ret=1
+   grep "a.insecure.optout.example..*10.0.0.1" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking 1-server negative insecurity proof NSEC ($n)"
+ret=0
+dig_with_opts q.insecure.example. a @10.53.0.3 \
+	> dig.out.ns3.test$n || ret=1
+dig_with_opts q.insecure.example. a @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking 1-server negative insecurity proof NSEC using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a q.insecure.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxdomain" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking 1-server negative insecurity proof NSEC3 ($n)"
+ret=0
+dig_with_opts q.insecure.nsec3.example. a @10.53.0.3 \
+	> dig.out.ns3.test$n || ret=1
+dig_with_opts q.insecure.nsec3.example. a @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking 1-server negative insecurity proof NSEC3 using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a q.insecure.nsec3.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxdomain" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking 1-server negative insecurity proof OPTOUT ($n)"
+ret=0
+dig_with_opts q.insecure.optout.example. a @10.53.0.3 \
+	> dig.out.ns3.test$n || ret=1
+dig_with_opts q.insecure.optout.example. a @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking 1-server negative insecurity proof OPTOUT using dns_client ($n)"
+   delv_with_opts @10.53.0.4 a q.insecure.optout.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: ncache nxdomain" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking 1-server negative insecurity proof with SOA hack NSEC ($n)"
+ret=0
+dig_with_opts r.insecure.example. soa @10.53.0.3 \
+	> dig.out.ns3.test$n || ret=1
+dig_with_opts r.insecure.example. soa @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "0	IN	SOA" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking 1-server negative insecurity proof with SOA hack NSEC3 ($n)"
+ret=0
+dig_with_opts r.insecure.nsec3.example. soa @10.53.0.3 \
+	> dig.out.ns3.test$n || ret=1
+dig_with_opts r.insecure.nsec3.example. soa @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "0	IN	SOA" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking 1-server negative insecurity proof with SOA hack OPTOUT ($n)"
+ret=0
+dig_with_opts r.insecure.optout.example. soa @10.53.0.3 \
+	> dig.out.ns3.test$n || ret=1
+dig_with_opts r.insecure.optout.example. soa @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "0	IN	SOA" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Check the secure.example domain
+
+echo_i "checking multi-stage positive validation NSEC/NSEC ($n)"
+ret=0
+dig_with_opts +noauth a.secure.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.secure.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking multi-stage positive validation NSEC/NSEC3 ($n)"
+ret=0
+dig_with_opts +noauth a.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking multi-stage positive validation NSEC/OPTOUT ($n)"
+ret=0
+dig_with_opts +noauth a.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking multi-stage positive validation NSEC3/NSEC ($n)"
+ret=0
+dig_with_opts +noauth a.secure.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.secure.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking multi-stage positive validation NSEC3/NSEC3 ($n)"
+ret=0
+dig_with_opts +noauth a.nsec3.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.nsec3.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking multi-stage positive validation NSEC3/OPTOUT ($n)"
+ret=0
+dig_with_opts +noauth a.optout.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.optout.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking multi-stage positive validation OPTOUT/NSEC ($n)"
+ret=0
+dig_with_opts +noauth a.secure.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.secure.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking multi-stage positive validation OPTOUT/NSEC3 ($n)"
+ret=0
+dig_with_opts +noauth a.nsec3.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.nsec3.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking multi-stage positive validation OPTOUT/OPTOUT ($n)"
+ret=0
+dig_with_opts +noauth a.optout.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.optout.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking empty NODATA OPTOUT ($n)"
+ret=0
+dig_with_opts +noauth empty.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth empty.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+#grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Check the bogus domain
+
+echo_i "checking failed validation ($n)"
+ret=0
+dig_with_opts a.bogus.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+grep "SERVFAIL" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking failed validation using dns_client ($n)"
+   delv_with_opts +cd @10.53.0.4 a a.bogus.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: RRSIG failed to verify" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+# Try validating with a bad trusted key.
+# This should fail.
+
+echo_i "checking that validation fails with a misconfigured trusted key ($n)"
+ret=0
+dig_with_opts example. soa @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep "SERVFAIL" dig.out.ns5.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that negative validation fails with a misconfigured trusted key ($n)"
+ret=0
+dig_with_opts example. ptr @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep "SERVFAIL" dig.out.ns5.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that insecurity proofs fail with a misconfigured trusted key ($n)"
+ret=0
+dig_with_opts a.insecure.example. a @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep "SERVFAIL" dig.out.ns5.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that validation fails when key record is missing ($n)"
+ret=0
+dig_with_opts a.b.keyless.example. a @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "SERVFAIL" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking that validation fails when key record is missing using dns_client ($n)"
+   delv_with_opts +cd @10.53.0.4 a a.b.keyless.example > delv.out$n 2>&1 || ret=1
+   grep "resolution failed: insecurity proof failed" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "checking that validation succeeds when a revoked key is encountered ($n)"
+ret=0
+dig_with_opts revkey.example soa @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags: .* ad" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+if [ -x "${DELV}" ] ; then
+   ret=0
+   echo_i "checking that validation succeeds when a revoked key is encountered using dns_client ($n)"
+   delv_with_opts +cd @10.53.0.4 soa revkey.example > delv.out$n 2>&1 || ret=1
+   grep "fully validated" delv.out$n > /dev/null || ret=1
+   n=$((n+1))
+   test "$ret" -eq 0 || echo_i "failed"
+   status=$((status+ret))
+fi
+
+echo_i "Checking that a bad CNAME signature is caught after a +CD query ($n)"
+ret=0
+#prime
+dig_with_opts +cd bad-cname.example. @10.53.0.4 > dig.out.ns4.prime$n || ret=1
+#check: requery with +CD.  pending data should be returned even if it's bogus
+expect="a.example.
+10.0.0.1"
+ans=$(dig_with_opts +cd +nodnssec +short bad-cname.example. @10.53.0.4) || ret=1
+test "$ans" = "$expect" || ret=1
+test "$ret" -eq 0 || echo_i "failed, got '$ans', expected '$expect'"
+#check: requery without +CD.  bogus cached data should be rejected.
+dig_with_opts +nodnssec bad-cname.example. @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "SERVFAIL" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "Checking that a bad DNAME signature is caught after a +CD query ($n)"
+ret=0
+#prime
+dig_with_opts +cd a.bad-dname.example. @10.53.0.4 > dig.out.ns4.prime$n || ret=1
+#check: requery with +CD.  pending data should be returned even if it's bogus
+expect="example.
+a.example.
+10.0.0.1"
+ans=$(dig_with_opts +cd +nodnssec +short a.bad-dname.example. @10.53.0.4) || ret=1
+test "$ans" = "$expect" || ret=1
+test "$ret" -eq 0 || echo_i "failed, got '$ans', expected '$expect'"
+#check: requery without +CD.  bogus cached data should be rejected.
+dig_with_opts +nodnssec a.bad-dname.example. @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "SERVFAIL" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Check the insecure.secure.example domain (insecurity proof)
+
+echo_i "checking 2-server insecurity proof ($n)"
+ret=0
+dig_with_opts +noauth a.insecure.secure.example. @10.53.0.2 a \
+	> dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth a.insecure.secure.example. @10.53.0.4 a \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Check a negative response in insecure.secure.example
+
+echo_i "checking 2-server insecurity proof with a negative answer ($n)"
+ret=0
+dig_with_opts q.insecure.secure.example. @10.53.0.2 a > dig.out.ns2.test$n \
+	|| ret=1
+dig_with_opts q.insecure.secure.example. @10.53.0.4 a > dig.out.ns4.test$n \
+	|| ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking 2-server insecurity proof with a negative answer and SOA hack ($n)"
+ret=0
+dig_with_opts r.insecure.secure.example. @10.53.0.2 soa > dig.out.ns2.test$n \
+	|| ret=1
+dig_with_opts r.insecure.secure.example. @10.53.0.4 soa > dig.out.ns4.test$n \
+	|| ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Check that the query for a security root is successful and has ad set
+
+echo_i "checking security root query ($n)"
+ret=0
+dig_with_opts . @10.53.0.4 key > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Check that the setting the cd bit works
+
+echo_i "checking cd bit on a positive answer ($n)"
+ret=0
+dig_with_opts +noauth example. soa @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+dig_with_opts +noauth +cdflag example. soa @10.53.0.5 \
+	> dig.out.ns5.test$n || ret=1
+digcomp dig.out.ns4.test$n dig.out.ns5.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns5.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking cd bit on a negative answer ($n)"
+ret=0
+dig_with_opts q.example. soa @10.53.0.4 > dig.out.ns4.test$n || ret=1
+dig_with_opts +cdflag q.example. soa @10.53.0.5 > dig.out.ns5.test$n || ret=1
+digcomp dig.out.ns4.test$n dig.out.ns5.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns5.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking insecurity proof works using negative cache ($n)"
+ret=0
+rndccmd 10.53.0.4 flush 2>&1 | sed 's/^/ns4 /' | cat_i
+dig_with_opts +cd @10.53.0.4 insecure.example. ds > dig.out.ns4.test$n.1 || ret=1
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
+do
+        dig_with_opts @10.53.0.4 nonexistent.insecure.example. > dig.out.ns4.test$n.2 || ret=1
+	if grep "status: NXDOMAIN" dig.out.ns4.test$n.2 >/dev/null; then
+		break
+	fi
+	sleep 1
+done
+grep "status: NXDOMAIN" dig.out.ns4.test$n.2 >/dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking positive validation RSASHA256 NSEC ($n)"
+ret=0
+dig_with_opts +noauth a.rsasha256.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.rsasha256.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking positive validation RSASHA512 NSEC ($n)"
+ret=0
+dig_with_opts +noauth a.rsasha512.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.rsasha512.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking positive validation with KSK-only DNSKEY signature ($n)"
+ret=0
+dig_with_opts +noauth a.kskonly.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.kskonly.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking cd bit on a query that should fail ($n)"
+ret=0
+dig_with_opts a.bogus.example. soa @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+dig_with_opts +cdflag a.bogus.example. soa @10.53.0.5 \
+	> dig.out.ns5.test$n || ret=1
+digcomp dig.out.ns4.test$n dig.out.ns5.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns5.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking cd bit on an insecurity proof ($n)"
+ret=0
+dig_with_opts +noauth a.insecure.example. soa @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+dig_with_opts +noauth +cdflag a.insecure.example. soa @10.53.0.5 \
+	> dig.out.ns5.test$n || ret=1
+digcomp dig.out.ns4.test$n dig.out.ns5.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - these are looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns5.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking cd bit on a negative insecurity proof ($n)"
+ret=0
+dig_with_opts q.insecure.example. a @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+dig_with_opts +cdflag q.insecure.example. a @10.53.0.5 \
+	> dig.out.ns5.test$n || ret=1
+digcomp dig.out.ns4.test$n dig.out.ns5.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+# Note - these are looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns5.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that validation of an ANY query works ($n)"
+ret=0
+dig_with_opts +noauth foo.example. any @10.53.0.2 > dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth foo.example. any @10.53.0.4 > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# 2 records in the zone, 1 NXT, 3 SIGs
+grep "ANSWER: 6" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that validation of a query returning a CNAME works ($n)"
+ret=0
+dig_with_opts +noauth cname1.example. txt @10.53.0.2 \
+	> dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth cname1.example. txt @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# the CNAME & its sig, the TXT and its SIG
+grep "ANSWER: 4" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that validation of a query returning a DNAME works ($n)"
+ret=0
+dig_with_opts +noauth foo.dname1.example. txt @10.53.0.2 \
+	> dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth foo.dname1.example. txt @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# The DNAME & its sig, the TXT and its SIG, and the synthesized CNAME.
+# It would be nice to test that the CNAME is being synthesized by the
+# recursive server and not cached, but I don't know how.
+grep "ANSWER: 5" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that validation of an ANY query returning a CNAME works ($n)"
+ret=0
+dig_with_opts +noauth cname2.example. any @10.53.0.2 \
+	> dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth cname2.example. any @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+# The CNAME, NXT, and their SIGs
+grep "ANSWER: 4" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that validation of an ANY query returning a DNAME works ($n)"
+ret=0
+dig_with_opts +noauth foo.dname2.example. any @10.53.0.2 \
+	> dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth foo.dname2.example. any @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that lookups succeed after disabling an algorithm ($n)"
+ret=0
+dig_with_opts +noauth example. SOA @10.53.0.2 \
+	> dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth example. SOA @10.53.0.6 \
+	> dig.out.ns6.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns6.test$n || ret=1
+# Note - this is looking for failure, hence the &&
+grep "flags:.*ad.*QUERY" dig.out.ns6.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking a non-cachable NODATA works ($n)"
+ret=0
+dig_with_opts +noauth a.nosoa.secure.example. txt @10.53.0.7 \
+	> dig.out.ns7.test$n || ret=1
+grep "AUTHORITY: 0" dig.out.ns7.test$n > /dev/null || ret=1
+dig_with_opts +noauth a.nosoa.secure.example. txt @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking a non-cachable NXDOMAIN works ($n)"
+ret=0
+dig_with_opts +noauth b.nosoa.secure.example. txt @10.53.0.7 \
+	> dig.out.ns7.test$n || ret=1
+grep "AUTHORITY: 0" dig.out.ns7.test$n > /dev/null || ret=1
+dig_with_opts +noauth b.nosoa.secure.example. txt @10.53.0.4 \
+	> dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that we can load a rfc2535 signed zone ($n)"
+ret=0
+dig_with_opts rfc2535.example. SOA @10.53.0.2 \
+	> dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that we can transfer a rfc2535 signed zone ($n)"
+ret=0
+dig_with_opts rfc2535.example. SOA @10.53.0.3 \
+	> dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "basic dnssec-signzone checks:"
+echo_ic "two DNSKEYs ($n)"
+ret=0
+(
+cd signer/general || exit 1
+rm -f signed.zone
+$SIGNER -f signed.zone -o example.com. test1.zone > signer.out.$n
+test -f signed.zone
+) || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_ic "one non-KSK DNSKEY ($n)"
+ret=0
+(
+cd signer/general || exit 0
+rm -f signed.zone
+$SIGNER -f signed.zone -o example.com. test2.zone > signer.out.$n
+test -f signed.zone
+) && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_ic "one KSK DNSKEY ($n)"
+ret=0
+(
+cd signer/general || exit 0
+rm -f signed.zone
+$SIGNER -f signed.zone -o example.com. test3.zone > signer.out.$n
+test -f signed.zone
+) && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_ic "three DNSKEY ($n)"
+ret=0
+(
+cd signer/general || exit 1
+rm -f signed.zone
+$SIGNER -f signed.zone -o example.com. test4.zone > signer.out.$n
+test -f signed.zone
+) || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_ic "three DNSKEY, one private key missing ($n)"
+ret=0
+(
+cd signer/general || exit 1
+rm -f signed.zone
+$SIGNER -f signed.zone -o example.com. test5.zone > signer.out.$n
+test -f signed.zone
+) || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_ic "four DNSKEY ($n)"
+ret=0
+(
+cd signer/general || exit 1
+rm -f signed.zone
+$SIGNER -f signed.zone -o example.com. test6.zone > signer.out.$n
+test -f signed.zone
+) || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_ic "two DNSKEY, both private keys missing ($n)"
+ret=0
+(
+cd signer/general || exit 0
+rm -f signed.zone
+$SIGNER -f signed.zone -o example.com. test7.zone > signer.out.$n
+test -f signed.zone
+) && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_ic "two DNSKEY, one private key missing ($n)"
+ret=0
+(
+cd signer/general || exit 0
+rm -f signed.zone
+$SIGNER -f signed.zone -o example.com. test8.zone > signer.out.$n
+test -f signed.zone
+) && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_ic "check that dnssec-signzone rejects excessive NSEC3 iterations ($n)"
+ret=0
+(
+cd signer/general || exit 0
+rm -f signed.zone
+$SIGNER -f signed.zone -3 - -H 151 -o example.com. test9.zone > signer.out.$n
+test -f signed.zone
+) && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_ic "check that dnssec-signzone accepts maximum NSEC3 iterations ($n)"
+ret=0
+(
+cd signer/general || exit 1
+rm -f signed.zone
+$SIGNER -f signed.zone -3 - -H 150 -o example.com. test9.zone > signer.out.$n
+test -f signed.zone
+) || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+get_default_algorithm_key_ids_from_sigs() {
+	zone=$1
+
+	awk -v alg=$DEFAULT_ALGORITHM_NUMBER '
+		NF < 8 { next }
+		$(NF-5) != "RRSIG" { next }
+		$(NF-3) != alg { next }
+		$NF != "(" { next }
+		{
+			getline;
+			print $3;
+		}
+	' signer/$zone.db.signed | sort -u
+}
+
+# Test dnssec-signzone ZSK prepublish smooth rollover.
+echo_i "check dnssec-signzone doesn't sign with prepublished zsk ($n)"
+ret=0
+zone=prepub
+# Generate keys.
+ksk=$("$KEYGEN" -K signer -f KSK -q -a $DEFAULT_ALGORITHM -n zone "$zone")
+zsk1=$("$KEYGEN" -K signer -q -a $DEFAULT_ALGORITHM -n zone "$zone")
+zsk2=$("$KEYGEN" -K signer -q -a $DEFAULT_ALGORITHM -n zone "$zone")
+zskid1=$(keyfile_to_key_id "$zsk1")
+zskid2=$(keyfile_to_key_id "$zsk2")
+(
+cd signer || exit 1
+# Set times such that the current set of keys are introduced 60 days ago and
+# start signing now. The successor key is prepublished now and will be active
+# next day.
+$SETTIME -P now-60d -A now $ksk > /dev/null
+$SETTIME -P now-60d -A now -I now+1d -D now+60d $zsk1 > /dev/null
+$SETTIME -S $zsk1 -i 1h $zsk2.key > /dev/null
+$SETTIME -P now -A now+1d $zsk2.key > /dev/null
+# Sign the zone with initial keys and prepublish successor. The zone signatures
+# are valid for 30 days and the DNSKEY signature is valid for 60 days.
+cp -f $zone.db.in $zone.db
+$SIGNER -SDx -e +2592000 -X +5184000 -o $zone $zone.db > /dev/null
+echo "\$INCLUDE \"$zone.db.signed\"" >> $zone.db
+)
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$zskid1$" > /dev/null || ret=1
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$zskid2$" > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed: missing signatures from key $zskid1"
+status=$((status+ret))
+
+echo_i "check dnssec-signzone retains signatures of predecessor zsk ($n)"
+ret=0
+zone=prepub
+(
+cd signer || exit 1
+# Roll the ZSK. The predecessor is inactive from now on and the successor is
+# activated. The zone signatures are valid for 30 days and the DNSKEY
+# signature is valid for 60 days. Because of the predecessor/successor
+# relationship, the signatures of the predecessor are retained and no new
+# signatures with the successor should be generated.
+$SETTIME -A now-30d -I now -D now+30d $zsk1 > /dev/null
+$SETTIME -A now $zsk2 > /dev/null
+$SIGNER -SDx -e +2592000 -X +5184000 -o $zone $zone.db > /dev/null
+)
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$zskid1$" > /dev/null || ret=1
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$zskid2$" > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check dnssec-signzone swaps zone signatures after interval ($n)"
+ret=0
+zone=prepub
+(
+cd signer || exit 1
+# After some time the signatures should be replaced. When signing, set the
+# interval to 30 days plus one second, meaning all predecessor signatures
+# are within the refresh interval and should be replaced with successor
+# signatures.
+$SETTIME -A now-50d -I now-20d -D now+10d $zsk1 > /dev/null
+$SETTIME -A now-20d $zsk2 > /dev/null
+$SIGNER -SDx -e +2592000 -X +5184000 -i 2592001 -o $zone $zone.db > /dev/null
+)
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$zskid1$" > /dev/null && ret=1
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$zskid2$" > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that a key using an unsupported algorithm cannot be generated ($n)"
+ret=0
+zone=example
+# If dnssec-keygen fails, the test script will exit immediately.  Prevent that
+# from happening, and also trigger a test failure if dnssec-keygen unexpectedly
+# succeeds, by using "&& ret=1".
+$KEYGEN -a 255 $zone > dnssectools.out.test$n 2>&1 && ret=1
+grep -q "unsupported algorithm: 255" dnssectools.out.test$n || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that a DS record cannot be generated for a key using an unsupported algorithm ($n)"
+ret=0
+zone=example
+# Fake an unsupported algorithm key
+unsupportedkey=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+awk '$3 == "DNSKEY" { $6 = 255 } { print }' ${unsupportedkey}.key > ${unsupportedkey}.tmp
+mv ${unsupportedkey}.tmp ${unsupportedkey}.key
+# If dnssec-dsfromkey fails, the test script will exit immediately.  Prevent
+# that from happening, and also trigger a test failure if dnssec-dsfromkey
+# unexpectedly succeeds, by using "&& ret=1".
+$DSFROMKEY ${unsupportedkey} > dnssectools.out.test$n 2>&1 && ret=1
+grep -q "algorithm is unsupported" dnssectools.out.test$n || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that a zone cannot be signed with a key using an unsupported algorithm ($n)"
+ret=0
+ret=0
+cat signer/example.db.in "${unsupportedkey}.key" > signer/example.db
+# If dnssec-signzone fails, the test script will exit immediately.  Prevent that
+# from happening, and also trigger a test failure if dnssec-signzone
+# unexpectedly succeeds, by using "&& ret=1".
+$SIGNER -o example signer/example.db ${unsupportedkey} > dnssectools.out.test$n 2>&1 && ret=1
+grep -q "algorithm is unsupported" dnssectools.out.test$n || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that we can sign a zone with out-of-zone records ($n)"
+ret=0
+zone=example
+key1=$($KEYGEN -K signer -q -a $DEFAULT_ALGORITHM -n zone $zone)
+key2=$($KEYGEN -K signer -q -f KSK -a $DEFAULT_ALGORITHM -n zone $zone)
+(
+cd signer || exit 1
+cat example.db.in "$key1.key" "$key2.key" > example.db
+$SIGNER -o example -f example.db example.db > /dev/null
+) || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that we can sign a zone (NSEC3) with out-of-zone records ($n)"
+ret=0
+zone=example
+key1=$($KEYGEN -K signer -q -a $DEFAULT_ALGORITHM -n zone $zone)
+key2=$($KEYGEN -K signer -q -f KSK -a $DEFAULT_ALGORITHM -n zone $zone)
+(
+cd signer || exit 1
+cat example.db.in "$key1.key" "$key2.key" > example.db
+$SIGNER -3 - -H 10 -o example -f example.db example.db > /dev/null
+awk '/^IQF9LQTLK/ {
+		printf("%s", $0);
+		while (!index($0, ")")) {
+			if (getline <= 0)
+				break;
+			printf (" %s", $0);
+		}
+		printf("\n");
+	}' example.db | sed 's/[ 	][ 	]*/ /g' > nsec3param.out
+
+grep "IQF9LQTLKKNFK0KVIFELRAK4IC4QLTMG.example. 0 IN NSEC3 1 0 10 - ( IQF9LQTLKKNFK0KVIFELRAK4IC4QLTMG A NS SOA RRSIG DNSKEY NSEC3PARAM )" nsec3param.out > /dev/null
+) || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking NSEC3 signing with empty nonterminals above a delegation ($n)"
+ret=0
+zone=example
+key1=$($KEYGEN -K signer -q -a $DEFAULT_ALGORITHM -n zone $zone)
+key2=$($KEYGEN -K signer -q -f KSK -a $DEFAULT_ALGORITHM -n zone $zone)
+(
+cd signer || exit 1
+cat example.db.in "$key1.key" "$key2.key" > example3.db
+echo "some.empty.nonterminal.nodes.example 60 IN NS ns.example.tld" >> example3.db
+$SIGNER -3 - -A -H 10 -o example -f example3.db example3.db > /dev/null
+awk '/^IQF9LQTLK/ {
+		printf("%s", $0);
+		while (!index($0, ")")) {
+			if (getline <= 0)
+				break;
+			printf (" %s", $0);
+		}
+		printf("\n");
+	}' example.db | sed 's/[ 	][ 	]*/ /g' > nsec3param.out
+
+grep "IQF9LQTLKKNFK0KVIFELRAK4IC4QLTMG.example. 0 IN NSEC3 1 0 10 - ( IQF9LQTLKKNFK0KVIFELRAK4IC4QLTMG A NS SOA RRSIG DNSKEY NSEC3PARAM )" nsec3param.out > /dev/null
+) || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that dnssec-signzone updates originalttl on ttl changes ($n)"
+ret=0
+zone=example
+key1=$($KEYGEN -K signer -q -a $DEFAULT_ALGORITHM -n zone $zone)
+key2=$($KEYGEN -K signer -q -f KSK -a $DEFAULT_ALGORITHM -n zone $zone)
+(
+cd signer || exit 1
+cat example.db.in "$key1.key" "$key2.key" > example.db
+$SIGNER -o example -f example.db.before example.db > /dev/null
+sed 's/60.IN.SOA./50 IN SOA /' example.db.before > example.db.changed
+$SIGNER -o example -f example.db.after example.db.changed > /dev/null
+)
+grep "SOA $DEFAULT_ALGORITHM_NUMBER 1 50" signer/example.db.after > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking dnssec-signzone keeps valid signatures from removed keys ($n)"
+ret=0
+zone=example
+key1=$($KEYGEN -K signer -q -f KSK -a $DEFAULT_ALGORITHM -n zone $zone)
+key2=$($KEYGEN -K signer -q -a $DEFAULT_ALGORITHM -n zone $zone)
+keyid2=$(keyfile_to_key_id "$key2")
+key3=$($KEYGEN -K signer -q -a $DEFAULT_ALGORITHM -n zone $zone)
+keyid3=$(keyfile_to_key_id "$key3")
+(
+cd signer || exit 1
+cat example.db.in "$key1.key" "$key2.key" > example.db
+$SIGNER -D -o example example.db > /dev/null
+
+# now switch out key2 for key3 and resign the zone
+cat example.db.in "$key1.key" "$key3.key" > example.db
+echo "\$INCLUDE \"example.db.signed\"" >> example.db
+$SIGNER -D -o example example.db > /dev/null
+) || ret=1
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$keyid2$" > /dev/null || ret=1
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$keyid3$" > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking dnssec-signzone -R purges signatures from removed keys ($n)"
+ret=0
+(
+cd signer || exit 1
+$SIGNER -RD -o example example.db > /dev/null
+) || ret=1
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$keyid2$" > /dev/null && ret=1
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$keyid3$" > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking dnssec-signzone keeps valid signatures from inactive keys ($n)"
+ret=0
+zone=example
+(
+cd signer || exit 1
+cp -f example.db.in example.db
+$SIGNER -SD -o example example.db > /dev/null
+echo "\$INCLUDE \"example.db.signed\"" >> example.db
+# now retire key2 and resign the zone
+$SETTIME -I now "$key2" > /dev/null 2>&1
+$SIGNER -SD -o example example.db > /dev/null
+) || ret=1
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$keyid2$" > /dev/null || ret=1
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$keyid3$" > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking dnssec-signzone -Q purges signatures from inactive keys ($n)"
+ret=0
+(
+cd signer || exit 1
+$SIGNER -SDQ -o example example.db > /dev/null
+) || ret=1
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$keyid2$" > /dev/null && ret=1
+get_default_algorithm_key_ids_from_sigs $zone | grep "^$keyid3$" > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking dnssec-signzone retains unexpired signatures ($n)"
+ret=0
+(
+cd signer || exit 1
+$SIGNER -Sxt -o example example.db > signer.out.1
+$SIGNER -Sxt -o example -f example.db.signed example.db.signed > signer.out.2
+) || ret=1
+gen1=$(awk '/generated/ {print $3}' signer/signer.out.1)
+retain1=$(awk '/retained/ {print $3}' signer/signer.out.1)
+gen2=$(awk '/generated/ {print $3}' signer/signer.out.2)
+retain2=$(awk '/retained/ {print $3}' signer/signer.out.2)
+drop2=$(awk '/dropped/ {print $3}' signer/signer.out.2)
+[ "$retain2" -eq $((gen1+retain1)) ] || ret=1
+[ "$gen2" -eq 0 ] || ret=1
+[ "$drop2" -eq 0 ] || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking dnssec-signzone purges RRSIGs from formerly-owned glue (nsec) ($n)"
+ret=0
+(
+cd signer || exit 1
+# remove NSEC-only keys
+rm -f Kexample.+005*
+cp -f example.db.in example2.db
+cat << EOF >> example2.db
+sub1.example. IN A 10.53.0.1
+ns.sub2.example. IN A 10.53.0.2
+EOF
+echo "\$INCLUDE \"example2.db.signed\"" >> example2.db
+touch example2.db.signed
+$SIGNER -DS -O full -f example2.db.signed -o example example2.db > /dev/null
+) || ret=1
+grep "^sub1\\.example\\..*RRSIG[ 	]A[ 	]" signer/example2.db.signed > /dev/null 2>&1 || ret=1
+grep "^ns\\.sub2\\.example\\..*RRSIG[ 	]A[ 	]" signer/example2.db.signed > /dev/null 2>&1 || ret=1
+(
+cd signer || exit 1
+cp -f example.db.in example2.db
+cat << EOF >> example2.db
+sub1.example. IN NS sub1.example.
+sub1.example. IN A 10.53.0.1
+sub2.example. IN NS ns.sub2.example.
+ns.sub2.example. IN A 10.53.0.2
+EOF
+echo "\$INCLUDE \"example2.db.signed\"" >> example2.db
+$SIGNER -DS -O full -f example2.db.signed -o example example2.db > /dev/null
+) || ret=1
+grep "^sub1\\.example\\..*RRSIG[ 	]A[ 	]" signer/example2.db.signed > /dev/null 2>&1 && ret=1
+grep "^ns\\.sub2\\.example\\..*RRSIG[ 	]A[ 	]" signer/example2.db.signed > /dev/null 2>&1 && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking dnssec-signzone purges RRSIGs from formerly-owned glue (nsec3) ($n)"
+ret=0
+(
+cd signer || exit 1
+rm -f example2.db.signed
+cp -f example.db.in example2.db
+cat << EOF >> example2.db
+sub1.example. IN A 10.53.0.1
+ns.sub2.example. IN A 10.53.0.2
+EOF
+echo "\$INCLUDE \"example2.db.signed\"" >> example2.db
+touch example2.db.signed
+$SIGNER -DS -3 feedabee -O full -f example2.db.signed -o example example2.db > /dev/null
+) || ret=1
+grep "^sub1\\.example\\..*RRSIG[ 	]A[ 	]" signer/example2.db.signed > /dev/null 2>&1 || ret=1
+grep "^ns\\.sub2\\.example\\..*RRSIG[ 	]A[ 	]" signer/example2.db.signed > /dev/null 2>&1 || ret=1
+(
+cd signer || exit 1
+cp -f example.db.in example2.db
+cat << EOF >> example2.db
+sub1.example. IN NS sub1.example.
+sub1.example. IN A 10.53.0.1
+sub2.example. IN NS ns.sub2.example.
+ns.sub2.example. IN A 10.53.0.2
+EOF
+echo "\$INCLUDE \"example2.db.signed\"" >> example2.db
+$SIGNER -DS -3 feedabee -O full -f example2.db.signed -o example example2.db > /dev/null
+) || ret=1
+grep "^sub1\\.example\\..*RRSIG[ 	]A[ 	]" signer/example2.db.signed > /dev/null 2>&1 && ret=1
+grep "^ns\\.sub2\\.example\\..*RRSIG[ 	]A[ 	]" signer/example2.db.signed > /dev/null 2>&1 && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking dnssec-signzone output format ($n)"
+ret=0
+(
+cd signer || exit 1
+$SIGNER -O full -f - -Sxt -o example example.db > signer.out.3 2> /dev/null
+$SIGNER -O text -f - -Sxt -o example example.db > signer.out.4 2> /dev/null
+$SIGNER -O raw -f signer.out.5 -Sxt -o example example.db > /dev/null
+$SIGNER -O raw=0 -f signer.out.6 -Sxt -o example example.db > /dev/null
+$SIGNER -O raw -f - -Sxt -o example example.db > signer.out.7 2> /dev/null
+) || ret=1
+awk 'BEGIN { found = 0; }
+     $1 == "example." && $3 == "IN" && $4 == "SOA" { found = 1; if (NF != 11) exit(1); }
+     END { if (!found) exit(1); }' signer/signer.out.3 || ret=1
+awk 'BEGIN { found = 0; }
+     $1 == "example." && $3 == "IN" && $4 == "SOA" { found = 1; if (NF != 7) exit(1); }
+     END { if (!found) exit(1); }' signer/signer.out.4 || ret=1
+israw1 signer/signer.out.5 || ret=1
+israw0 signer/signer.out.6 || ret=1
+israw1 signer/signer.out.7 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking TTLs are capped by dnssec-signzone -M ($n)"
+ret=0
+(
+cd signer || exit 1
+$SIGNER -O full -f signer.out.8 -S -M 30 -o example example.db > /dev/null
+) || ret=1
+awk '/^;/ { next; } $2 > 30 { exit 1; }' signer/signer.out.8 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking dnssec-signzone -N date ($n)"
+ret=0
+(
+cd signer || exit 1
+TZ=UTC $SIGNER -O full -f signer.out.9 -S -N date -o example example2.db > /dev/null
+) || ret=1
+# shellcheck disable=SC2016
+now=$(TZ=UTC $PERL -e '@lt=localtime(); printf "%.4d%0.2d%0.2d00\n",$lt[5]+1900,$lt[4]+1,$lt[3];')
+serial=$(awk '/^;/ { next; } $4 == "SOA" { print $7 }' signer/signer.out.9)
+[ "$now" -eq "$serial" ] || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking validated data are not cached longer than originalttl ($n)"
+ret=0
+dig_with_opts +ttl +noauth a.ttlpatch.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +ttl +noauth a.ttlpatch.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+grep "3600.IN" dig.out.ns3.test$n > /dev/null || ret=1
+grep "300.IN" dig.out.ns3.test$n > /dev/null && ret=1
+grep "300.IN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "3600.IN" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Test that "rndc secroots" is able to dump trusted keys
+echo_i "checking rndc secroots ($n)"
+ret=0
+keyid=$(cat ns1/managed.key.id)
+rndccmd 10.53.0.4 secroots 2>&1 | sed 's/^/ns4 /' | cat_i
+cp ns4/named.secroots named.secroots.test$n
+check_secroots_layout named.secroots.test$n || ret=1
+linecount=$(grep -c "./$DEFAULT_ALGORITHM/$keyid ; static" named.secroots.test$n || true)
+[ "$linecount" -eq 1 ] || ret=1
+linecount=$(< named.secroots.test$n wc -l)
+[ "$linecount" -eq 10 ] || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Check direct query for RRSIG.  If we first ask for normal (non RRSIG)
+# record, the corresponding RRSIG should be cached and subsequent query
+# for RRSIG will be returned with the cached record.
+echo_i "checking RRSIG query from cache ($n)"
+ret=0
+dig_with_opts normalthenrrsig.secure.example. @10.53.0.4 a > /dev/null || ret=1
+ans=$(dig_with_opts +short normalthenrrsig.secure.example. @10.53.0.4 rrsig) || ret=1
+expect=$(dig_with_opts +short normalthenrrsig.secure.example. @10.53.0.3 rrsig | grep '^A' ) || ret=1
+test "$ans" = "$expect" || ret=1
+# also check that RA is set
+dig_with_opts normalthenrrsig.secure.example. @10.53.0.4 rrsig > dig.out.ns4.test$n || ret=1
+grep "flags:.*ra.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Check direct query for RRSIG: If it's not cached with other records,
+# it should result in an empty response.
+echo_i "checking RRSIG query not in cache ($n)"
+ret=0
+ans=$(dig_with_opts +short rrsigonly.secure.example. @10.53.0.4 rrsig) || ret=1
+test -z "$ans" || ret=1
+# also check that RA is cleared
+dig_with_opts rrsigonly.secure.example. @10.53.0.4 rrsig > dig.out.ns4.test$n || ret=1
+grep "flags:.*ra.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# RT21868 regression test.
+#
+echo_i "checking NSEC3 zone with mismatched NSEC3PARAM / NSEC parameters ($n)"
+ret=0
+dig_with_opts non-exist.badparam. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# RT22007 regression test.
+#
+echo_i "checking optout NSEC3 referral with only insecure delegations ($n)"
+ret=0
+dig_with_opts +norec delegation.single-nsec3. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "3KL3NK1HKQ4IUEEHBEF12VGFKUETNBAN.*NSEC3 1 1 1 - 3KL3NK1HKQ4IUEEHBEF12VGFKUETNBAN" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking optout NSEC3 NXDOMAIN with only insecure delegations ($n)"
+ret=0
+dig_with_opts +norec nonexist.single-nsec3. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "3KL3NK1HKQ4IUEEHBEF12VGFKUETNBAN.*NSEC3 1 1 1 - 3KL3NK1HKQ4IUEEHBEF12VGFKUETNBAN" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+
+status=$((status+ret))
+echo_i "checking optout NSEC3 nodata with only insecure delegations ($n)"
+ret=0
+dig_with_opts +norec single-nsec3. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "3KL3NK1HKQ4IUEEHBEF12VGFKUETNBAN.*NSEC3 1 1 1 - 3KL3NK1HKQ4IUEEHBEF12VGFKUETNBAN" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that a zone finishing the transition from $ALTERNATIVE_ALGORITHM to $DEFAULT_ALGORITHM validates secure ($n)"
+ret=0
+dig_with_opts ns algroll. @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking validate-except in an insecure local domain ($n)"
+ret=0
+dig_with_opts ns www.corp @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking positive and negative validation with negative trust anchors ($n)"
+ret=0
+
+#
+# check correct initial behavior
+#
+dig_with_opts a.bogus.example. a @10.53.0.4 > dig.out.ns4.test$n.1 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.1 > /dev/null || ret=1
+dig_with_opts badds.example. soa @10.53.0.4 > dig.out.ns4.test$n.2 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.2 > /dev/null || ret=1
+dig_with_opts a.secure.example. a @10.53.0.4 > dig.out.ns4.test$n.3 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.3 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.3 > /dev/null || ret=1
+
+if [ "$ret" -ne 0 ]; then echo_i "failed - checking initial state"; fi
+status=$((status+ret))
+ret=0
+
+#
+# add negative trust anchors
+#
+rndccmd 10.53.0.4 nta -f -l 20s bogus.example 2>&1 | sed 's/^/ns4 /' | cat_i
+rndccmd 10.53.0.4 nta badds.example 2>&1 | sed 's/^/ns4 /' | cat_i
+# reconfig should maintain NTAs
+rndccmd 10.53.0.4 reconfig 2>&1 | sed 's/^/ns4 /' | cat_i
+rndccmd 10.53.0.4 nta -d > rndc.out.ns4.test$n.1
+lines=$(wc -l < rndc.out.ns4.test$n.1)
+[ "$lines" -eq 3 ] || ret=1
+rndccmd 10.53.0.4 nta secure.example 2>&1 | sed 's/^/ns4 /' | cat_i
+rndccmd 10.53.0.4 nta fakenode.secure.example 2>&1 | sed 's/^/ns4 /' | cat_i
+# reload should maintain NTAs
+rndc_reload ns4 10.53.0.4
+rndccmd 10.53.0.4 nta -d > rndc.out.ns4.test$n.2
+lines=$(wc -l < rndc.out.ns4.test$n.2)
+[ "$lines" -eq 5 ] || ret=1
+# shellcheck disable=SC2016
+start=$($PERL -e 'print time()."\n";')
+
+if [ "$ret" -ne 0 ]; then echo_i "failed - adding NTA's failed"; fi
+status=$((status+ret))
+ret=0
+
+#
+# check behavior with NTA's in place
+#
+dig_with_opts a.bogus.example. a @10.53.0.4 > dig.out.ns4.test$n.4 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.4 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.4 > /dev/null && ret=1
+dig_with_opts badds.example. soa @10.53.0.4 > dig.out.ns4.test$n.5 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.5 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.5 > /dev/null && ret=1
+dig_with_opts a.secure.example. a @10.53.0.4 > dig.out.ns4.test$n.6 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.6 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.6 > /dev/null && ret=1
+dig_with_opts a.fakenode.secure.example. a @10.53.0.4 > dig.out.ns4.test$n.7 || ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.7 > /dev/null && ret=1
+echo_i "dumping secroots"
+rndccmd 10.53.0.4 secroots | sed 's/^/ns4 /' | cat_i
+cp ns4/named.secroots named.secroots.test$n
+check_secroots_layout named.secroots.test$n || ret=1
+grep "bogus.example: expiry" named.secroots.test$n > /dev/null || ret=1
+grep "badds.example: expiry" named.secroots.test$n > /dev/null || ret=1
+grep "secure.example: expiry" named.secroots.test$n > /dev/null || ret=1
+grep "fakenode.secure.example: expiry" named.secroots.test$n > /dev/null || ret=1
+
+if [ "$ret" -ne 0 ]; then echo_i "failed - with NTA's in place failed"; fi
+status=$((status+ret))
+ret=0
+
+echo_i "waiting for NTA rechecks/expirations"
+
+#
+# secure.example and badds.example used default nta-duration
+# (configured as 12s in ns4/named1.conf), but nta recheck interval
+# is configured to 9s, so at t=10 the NTAs for secure.example and
+# fakenode.secure.example should both be lifted, but badds.example
+# should still be going.
+#
+# shellcheck disable=SC2016
+$PERL -e 'my $delay =  '"$start"' + 10 - time(); select(undef, undef, undef, $delay) if ($delay > 0);'
+dig_with_opts b.secure.example. a @10.53.0.4 > dig.out.ns4.test$n.8 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.8 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.8 > /dev/null || ret=1
+dig_with_opts b.fakenode.secure.example. a @10.53.0.4 > dig.out.ns4.test$n.9 || ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.9 > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n.9 > /dev/null || ret=1
+dig_with_opts badds.example. soa @10.53.0.4 > dig.out.ns4.test$n.10 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.10 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.10 > /dev/null && ret=1
+
+if [ "$ret" -ne 0 ]; then echo_i "failed - checking that default nta's were lifted due to recheck"; fi
+status=$((status+ret))
+ret=0
+
+#
+# bogus.example was set to expire in 20s, so at t=13
+# it should still be NTA'd, but badds.example used the default
+# lifetime of 12s, so it should revert to SERVFAIL now.
+#
+# shellcheck disable=SC2016
+$PERL -e 'my $delay = '"$start"' + 13 - time(); select(undef, undef, undef, $delay) if ($delay > 0);'
+# check nta table
+rndccmd 10.53.0.4 nta -d > rndc.out.ns4.test$n._11
+lines=$(grep -c " expiry " rndc.out.ns4.test$n._11 || true)
+[ "$lines" -le 2 ] || ret=1
+grep "bogus.example/_default: expiry" rndc.out.ns4.test$n._11 > /dev/null || ret=1
+grep "badds.example/_default: expiry" rndc.out.ns4.test$n._11 > /dev/null && ret=1
+dig_with_opts b.bogus.example. a @10.53.0.4 > dig.out.ns4.test$n.11 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.11 > /dev/null && ret=1
+dig_with_opts a.badds.example. a @10.53.0.4 > dig.out.ns4.test$n.12 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.12 > /dev/null || ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.12 > /dev/null && ret=1
+dig_with_opts c.secure.example. a @10.53.0.4 > dig.out.ns4.test$n.13 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.13 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.13 > /dev/null || ret=1
+
+if [ "$ret" -ne 0 ]; then echo_i "failed - checking that default nta's were lifted due to lifetime"; fi
+status=$((status+ret))
+ret=0
+
+#
+# at t=21, all the NTAs should have expired.
+#
+# shellcheck disable=SC2016
+$PERL -e 'my $delay = '"$start"' + 21 - time(); select(undef, undef, undef, $delay) if ($delay > 0);'
+# check correct behavior after bogus.example expiry
+dig_with_opts d.secure.example. a @10.53.0.4 > dig.out.ns4.test$n.14 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.14 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.14 > /dev/null || ret=1
+dig_with_opts c.bogus.example. a @10.53.0.4 > dig.out.ns4.test$n.15 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.15 > /dev/null || ret=1
+# check nta table has been cleaned up now
+rndccmd 10.53.0.4 nta -d > rndc.out.ns4.test$n.3
+lines=$(grep -c " expiry " rndc.out.ns4.test$n.3 || true)
+[ "$lines" -eq 0 ] || ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed - checking that all nta's have been lifted"; fi
+status=$((status+ret))
+ret=0
+
+echo_i "testing NTA removals ($n)"
+rndccmd 10.53.0.4 nta badds.example 2>&1 | sed 's/^/ns4 /' | cat_i
+rndccmd 10.53.0.4 nta -d > rndc.out.ns4.test$n.1
+grep "badds.example/_default: expiry" rndc.out.ns4.test$n.1 > /dev/null || ret=1
+dig_with_opts a.badds.example. a @10.53.0.4 > dig.out.ns4.test$n.1 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.1 > /dev/null && ret=1
+grep "^a.badds.example." dig.out.ns4.test$n.1 > /dev/null || ret=1
+rndccmd 10.53.0.4 nta -remove badds.example > rndc.out.ns4.test$n.2
+grep "Negative trust anchor removed: badds.example/_default" rndc.out.ns4.test$n.2 > /dev/null || ret=1
+rndccmd 10.53.0.4 nta -d > rndc.out.ns4.test$n.3
+grep "badds.example/_default: expiry" rndc.out.ns4.test$n.3 > /dev/null && ret=1
+dig_with_opts a.badds.example. a @10.53.0.4 > dig.out.ns4.test$n.2 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.2 > /dev/null || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+ret=0
+
+echo_i "remove non-existent NTA three times"
+rndccmd 10.53.0.4 nta -r foo > rndc.out.ns4.test$n.4 2>&1
+rndccmd 10.53.0.4 nta -remove foo > rndc.out.ns4.test$n.5 2>&1
+rndccmd 10.53.0.4 nta -r foo > rndc.out.ns4.test$n.6 2>&1
+grep "not found" rndc.out.ns4.test$n.6 > /dev/null || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+ret=0
+
+n=$((n+1))
+echo_i "testing NTA with bogus lifetimes ($n)"
+echo_i "check with no nta lifetime specified"
+rndccmd 10.53.0.4 nta -l "" foo > rndc.out.ns4.test$n.1 2>&1 || true
+grep "'nta' failed: bad ttl" rndc.out.ns4.test$n.1 > /dev/null || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+ret=0
+
+echo_i "check with bad nta lifetime"
+rndccmd 10.53.0.4 nta -l garbage foo > rndc.out.ns4.test$n.2 2>&1 || true
+grep "'nta' failed: bad ttl" rndc.out.ns4.test$n.2 > /dev/null || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+ret=0
+
+echo_i "check with too long nta lifetime"
+rndccmd 10.53.0.4 nta -l 7d1h foo > rndc.out.ns4.test$n.3 2>&1 || true
+grep "'nta' failed: out of range" rndc.out.ns4.test$n.3 > /dev/null || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+ret=0
+
+#
+# check NTA persistence across restarts
+#
+n=$((n+1))
+echo_i "testing NTA persistence across restarts ($n)"
+rndccmd 10.53.0.4 nta -d > rndc.out.ns4.test$n.1
+lines=$(grep -c " expiry " rndc.out.ns4.test$n.1 || true)
+[ "$lines" -eq 0 ] || ret=1
+rndccmd 10.53.0.4 nta -f -l 30s bogus.example 2>&1 | sed 's/^/ns4 /' | cat_i
+rndccmd 10.53.0.4 nta -f -l 10s badds.example 2>&1 | sed 's/^/ns4 /' | cat_i
+rndccmd 10.53.0.4 nta -d > rndc.out.ns4.test$n.2
+lines=$(grep -c " expiry " rndc.out.ns4.test$n.2 || true)
+[ "$lines" -eq 2 ] || ret=1
+# shellcheck disable=SC2016
+start=$($PERL -e 'print time()."\n";')
+
+if [ "$ret" -ne 0 ]; then echo_i "failed - NTA persistence: adding NTA's failed"; fi
+status=$((status+ret))
+ret=0
+
+echo_i "killing ns4 with SIGTERM"
+kill -TERM "$(cat ns4/named.pid)"
+rm -f ns4/named.pid
+
+#
+# ns4 has now shutdown. wait until t=14 when badds.example's NTA
+# (lifetime=10s) would have expired, and then restart ns4.
+#
+echo_i "waiting till 14s have passed since NTAs were added before restarting ns4"
+# shellcheck disable=SC2016
+$PERL -e 'my $delay = '"$start"' + 14 - time(); select(undef, undef, undef, $delay) if ($delay > 0);'
+
+if
+    start_server --noclean --restart --port "$PORT" ns4
+then
+    echo_i "restarted server ns4"
+else
+    echo_i "could not restart server ns4"
+    exit 1
+fi
+
+echo_i "sleeping for an additional 4 seconds for ns4 to fully startup"
+sleep 4
+
+#
+# ns4 should be back up now. The NTA for bogus.example should still be
+# valid, whereas badds.example should not have been added during named
+# startup (as it had already expired), the fact that it's ignored should
+# be logged.
+#
+rndccmd 10.53.0.4 nta -d > rndc.out.ns4.test$n.3
+lines=$(wc -l < rndc.out.ns4.test$n.3)
+[ "$lines" -eq 2 ] || ret=1
+grep "bogus.example/_default: expiry" rndc.out.ns4.test$n.3 > /dev/null || ret=1
+dig_with_opts b.bogus.example. a @10.53.0.4 > dig.out.ns4.test$n.4 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.4 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.4 > /dev/null && ret=1
+dig_with_opts a.badds.example. a @10.53.0.4 > dig.out.ns4.test$n.5 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.5 > /dev/null || ret=1
+grep "ignoring expired NTA at badds.example" ns4/named.run > /dev/null || ret=1
+
+# cleanup
+rndccmd 10.53.0.4 nta -remove bogus.example > rndc.out.ns4.test$n.6
+
+if [ "$ret" -ne 0 ]; then echo_i "failed - NTA persistence: restoring NTA failed"; fi
+status=$((status+ret))
+ret=0
+
+#
+# check "regular" attribute in NTA file works as expected at named
+# startup.
+#
+n=$((n+1))
+echo_i "testing loading regular attribute from NTA file ($n)"
+rndccmd 10.53.0.4 nta -d > rndc.out.ns4.test$n.1 2>/dev/null
+lines=$(wc -l < rndc.out.ns4.test$n.1)
+[ "$lines" -eq 1 ] || ret=1
+# initially, secure.example. validates with AD=1
+dig_with_opts a.secure.example. a @10.53.0.4 > dig.out.ns4.test$n.2 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.2 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.2 > /dev/null || ret=1
+
+echo_i "killing ns4 with SIGTERM"
+kill -TERM "$(cat ns4/named.pid)"
+rm -f ns4/named.pid
+
+echo_i "sleeping for an additional 4 seconds for ns4 to fully shutdown"
+sleep 4
+
+#
+# ns4 has now shutdown. add NTA for secure.example. directly into the
+# _default.nta file with the regular attribute and some future timestamp.
+#
+future="$(($(date +%Y)+20))0101010000"
+echo "secure.example. regular $future" > ns4/_default.nta
+# shellcheck disable=SC2016
+start=$($PERL -e 'print time()."\n";')
+
+if
+    start_server --noclean --restart --port "$PORT" ns4
+then
+    echo_i "restarted server ns4"
+else
+    echo_i "could not restart server ns4"
+    exit 1
+fi
+
+# nta-recheck is configured as 9s, so at t=12 the NTAs for
+# secure.example. should be lifted as it is not a forced NTA.
+echo_i "waiting till 12s have passed after ns4 was restarted"
+# shellcheck disable=SC2016
+$PERL -e 'my $delay = '"$start"' + 12 - time(); select(undef, undef, undef, $delay) if ($delay > 0);'
+
+# secure.example. should now return an AD=1 answer (still validates) as
+# the NTA has been lifted.
+dig_with_opts a.secure.example. a @10.53.0.4 > dig.out.ns4.test$n.3 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.3 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.3 > /dev/null || ret=1
+
+# cleanup
+rndccmd 10.53.0.4 nta -remove secure.example > rndc.out.ns4.test$n.4 2>/dev/null
+
+if [ "$ret" -ne 0 ]; then echo_i "failed - NTA persistence: loading regular NTAs failed"; fi
+status=$((status+ret))
+ret=0
+
+#
+# check "forced" attribute in NTA file works as expected at named
+# startup.
+#
+n=$((n+1))
+echo_i "testing loading forced attribute from NTA file ($n)"
+rndccmd 10.53.0.4 nta -d > rndc.out.ns4.test$n.1 2>/dev/null
+lines=$(wc -l < rndc.out.ns4.test$n.1)
+[ "$lines" -eq 1 ] || ret=1
+# initially, secure.example. validates with AD=1
+dig_with_opts a.secure.example. a @10.53.0.4 > dig.out.ns4.test$n.2 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.2 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.2 > /dev/null || ret=1
+
+echo_i "killing ns4 with SIGTERM"
+kill -TERM "$(cat ns4/named.pid)"
+rm -f named.pid
+
+echo_i "sleeping for an additional 4 seconds for ns4 to fully shutdown"
+sleep 4
+
+#
+# ns4 has now shutdown. add NTA for secure.example. directly into the
+# _default.nta file with the forced attribute and some future timestamp.
+#
+echo "secure.example. forced $future" > ns4/_default.nta
+start=$($PERL -e 'print time()."\n";')
+
+if
+    start_server --noclean --restart --port "$PORT" ns4
+then
+    echo_i "restarted server ns4"
+else
+    echo_i "could not restart server ns4"
+    exit 1
+fi
+
+# nta-recheck is configured as 9s, but even at t=12 the NTAs for
+# secure.example. should not be lifted as it is a forced NTA.
+echo_i "waiting till 12s have passed after ns4 was restarted"
+# shellcheck disable=SC2016
+$PERL -e 'my $delay = '"$start"' + 12 - time(); select(undef, undef, undef, $delay) if ($delay > 0);'
+
+# secure.example. should now return an AD=0 answer (non-authenticated)
+# as the NTA is still there.
+dig_with_opts a.secure.example. a @10.53.0.4 > dig.out.ns4.test$n.3 || ret=1
+grep "status: SERVFAIL" dig.out.ns4.test$n.3 > /dev/null && ret=1
+grep "flags:[^;]* ad[^;]*;" dig.out.ns4.test$n.3 > /dev/null && ret=1
+
+# cleanup
+rndccmd 10.53.0.4 nta -remove secure.example > rndc.out.ns4.test$n.4 2>/dev/null
+
+if [ "$ret" -ne 0 ]; then echo_i "failed - NTA persistence: loading forced NTAs failed"; fi
+status=$((status+ret))
+ret=0
+
+#
+# check that NTA lifetime read from file is clamped to 1 week.
+#
+n=$((n+1))
+echo_i "testing loading out of bounds lifetime from NTA file ($n)"
+
+echo_i "killing ns4 with SIGTERM"
+kill -TERM "$(cat ns4/named.pid)"
+rm -f ns4/named.pid
+
+echo_i "sleeping for an additional 4 seconds for ns4 to fully shutdown"
+sleep 4
+
+#
+# ns4 has now shutdown. add NTA for secure.example. directly into the
+# _default.nta file with a lifetime well into the future.
+#
+echo "secure.example. forced $future" > ns4/_default.nta
+added=$($PERL -e 'print time()."\n";')
+
+if
+    start_server --noclean --restart --port "$PORT" ns4
+then
+    echo_i "restarted server ns4"
+else
+    echo_i "could not restart server ns4"
+    exit 1
+fi
+
+echo_i "sleeping for an additional 4 seconds for ns4 to fully startup"
+sleep 4
+
+# dump the NTA to a file (omit validate-except entries)
+echo_i "testing 'rndc nta -d' with NTA"
+rndccmd 10.53.0.4 nta -d | grep -v ": permanent" > rndc.out.ns4.test$n.1 2>/dev/null
+# "corp" is configured as a validate-except domain and thus should be
+# removed by the grep -v above. only "secure.example" should appear in
+# the dump.
+lines=$(wc -l < rndc.out.ns4.test$n.1)
+[ "$lines" -eq 1 ] || ret=1
+grep 'secure.example' rndc.out.ns4.test$n.1 > /dev/null || ret=1
+ts=$(awk '{print $3" "$4}' < rndc.out.ns4.test$n.1)
+# rndc nta outputs localtime, so append the timezone
+ts_with_zone="$ts $(date +%z)"
+echo "ts=$ts" > rndc.out.ns4.test$n.2
+echo "ts_with_zone=$ts_with_zone" >> rndc.out.ns4.test$n.2
+echo "added=$added" >> rndc.out.ns4.test$n.2
+if $PERL -e 'use Time::Piece; use Time::Seconds;' 2>/dev/null
+then
+    # ntadiff.pl computes $ts_with_zone - ($added + 1week)
+    d=$($PERL ./ntadiff.pl "$ts_with_zone" "$added")
+    echo "d=$d" >> rndc.out.ns4.test$n.2
+    # diff from $added(now) + 1week to the clamped NTA lifetime should be
+    # less than a few seconds (handle daylight saving changes by adding 3600).
+    [ "$d" -lt 3610 ] || ret=1
+else
+    echo_i "skipped ntadiff test; install PERL module Time::Piece"
+fi
+
+echo_i "testing 'rndc nta' lifetime clamping"
+rndccmd 10.53.0.4 nta -d | grep ": permanent" > rndc.out.ns4.test$n.1 2>/dev/null
+# "corp" is configured as a validate-except domain and thus should be
+# the only entry in the dump.
+lines=$(wc -l < rndc.out.ns4.test$n.1)
+[ "$lines" -eq 1 ] || ret=1
+grep 'corp/_default' rndc.out.ns4.test$n.1 > /dev/null || ret=1
+
+# cleanup
+rndccmd 10.53.0.4 nta -remove secure.example > rndc.out.ns4.test$n.3 2>/dev/null
+
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "testing 'rndc nta -d' displays validate-except entries"
+rndccmd 10.53.0.4 nta -d | grep ": permanent" > rndc.out.ns4.test$n.1 2>/dev/null
+lines=$(wc -l < rndc.out.ns4.test$n.1)
+[ "$lines" -eq 1 ] || ret=1
+grep 'corp/_default' rndc.out.ns4.test$n.1 > /dev/null || ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking that NTAs work with 'forward only;' to a validating resolver ($n)"
+ret=0
+# Sanity check behavior without an NTA in place.
+dig_with_opts @10.53.0.9 badds.example. SOA > dig.out.ns9.test$n.1 || ret=1
+grep "SERVFAIL" dig.out.ns9.test$n.1 > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns9.test$n.1 > /dev/null || ret=1
+grep "flags:[^;]* ad[ ;].*QUERY" dig.out.ns9.test$n.1 > /dev/null && ret=1
+# Add an NTA, expecting that to cause resolution to succeed.
+rndccmd 10.53.0.9 nta badds.example > rndc.out.ns9.test$n.1 2>&1 || ret=1
+dig_with_opts @10.53.0.9 badds.example. SOA > dig.out.ns9.test$n.2 || ret=1
+grep "NOERROR" dig.out.ns9.test$n.2 > /dev/null || ret=1
+grep "ANSWER: 2" dig.out.ns9.test$n.2 > /dev/null || ret=1
+grep "flags:[^;]* ad[ ;].*QUERY" dig.out.ns9.test$n.2 > /dev/null && ret=1
+# Remove the NTA, expecting that to cause resolution to fail again.
+rndccmd 10.53.0.9 nta -remove badds.example > rndc.out.ns9.test$n.2 2>&1 || ret=1
+dig_with_opts @10.53.0.9 badds.example. SOA > dig.out.ns9.test$n.3 || ret=1
+grep "SERVFAIL" dig.out.ns9.test$n.3 > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns9.test$n.3 > /dev/null || ret=1
+grep "flags:[^;]* ad[ ;].*QUERY" dig.out.ns9.test$n.3 > /dev/null && ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "completed NTA tests"
+
+# Run a minimal update test if possible.  This is really just
+# a regression test for RT #2399; more tests should be added.
+
+if $PERL -e 'use Net::DNS;' 2>/dev/null
+then
+    echo_i "running DNSSEC update test"
+    ret=0
+    { output=$($PERL dnssec_update_test.pl -s 10.53.0.3 -p "$PORT" dynamic.example.); rc=$?; } || true
+    test "$rc" -eq 0 || ret=1
+    echo "$output" | cat_i
+    [ $ret -eq 1 ] && status=1
+else
+    echo_i "The DNSSEC update test requires the Net::DNS library." >&2
+fi
+
+n=$((n+1))
+echo_i "checking managed key maintenance has not started yet ($n)"
+ret=0
+[ -f "ns4/managed-keys.bind.jnl" ] && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Reconfigure caching server to use "dnssec-validation auto", and repeat
+# some of the DNSSEC validation tests to ensure that it works correctly.
+# Also setup a placeholder managed-keys zone to check if named can process it
+# correctly.
+echo_i "switching to automatic root key configuration"
+cp ns4/managed-keys.bind.in ns4/managed-keys.bind
+copy_setports ns4/named2.conf.in ns4/named.conf
+rndccmd 10.53.0.4 reconfig 2>&1 | sed 's/^/ns4 /' | cat_i
+sleep 5
+
+echo_i "checking managed key maintenance timer has now started ($n)"
+ret=0
+[ -f "ns4/managed-keys.bind.jnl" ] || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking positive validation NSEC ($n)"
+ret=0
+dig_with_opts +noauth a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth a.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking positive validation NSEC3 ($n)"
+ret=0
+dig_with_opts +noauth a.nsec3.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.nsec3.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking positive validation OPTOUT ($n)"
+ret=0
+dig_with_opts +noauth a.optout.example. \
+	@10.53.0.3 a > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth a.optout.example. \
+	@10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking negative validation ($n)"
+ret=0
+dig_with_opts +noauth q.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth q.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that root DS queries validate ($n)"
+ret=0
+dig_with_opts +noauth . @10.53.0.1 ds > dig.out.ns1.test$n || ret=1
+dig_with_opts +noauth . @10.53.0.4 ds > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns1.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that DS at a RFC 1918 empty zone lookup succeeds ($n)"
+ret=0
+dig_with_opts +noauth 10.in-addr.arpa ds @10.53.0.2 >dig.out.ns2.test$n || ret=1
+dig_with_opts +noauth 10.in-addr.arpa ds @10.53.0.4 >dig.out.ns6.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns6.test$n || ret=1
+grep "status: NOERROR" dig.out.ns6.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking expired signatures remain with "'"allow-update { none; };"'" and no keys available ($n)"
+ret=0
+dig_with_opts +noauth expired.example. +dnssec @10.53.0.3 soa > dig.out.ns3.test$n || ret=1
+grep "RRSIG.SOA" dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+
+status=$((status+ret))
+echo_i "checking expired signatures do not validate ($n)"
+ret=0
+dig_with_opts +noauth expired.example. +dnssec @10.53.0.4 soa > dig.out.ns4.test$n || ret=1
+grep "SERVFAIL" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+grep "expired.example/.*: RRSIG has expired" ns4/named.run > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that the NSEC3 record for the apex is properly signed when a DNSKEY is added via UPDATE ($n)"
+ret=0
+(
+cd ns3 || exit 1
+kskname=$($KEYGEN -q -3 -a $DEFAULT_ALGORITHM -fk update-nsec3.example)
+(
+echo zone update-nsec3.example
+echo server 10.53.0.3 "$PORT"
+grep DNSKEY "${kskname}.key" | sed -e 's/^/update add /' -e 's/IN/300 IN/'
+echo send
+) | $NSUPDATE
+)
+dig_with_opts +dnssec a update-nsec3.example. @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.* ad[ ;]" dig.out.ns4.test$n > /dev/null || ret=1
+grep "NSEC3 .* TYPE65534" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that the NSEC record is properly generated when DNSKEY are added via auto-dnssec ($n)"
+ret=0
+dig_with_opts +dnssec a auto-nsec.example. @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.* ad[ ;]" dig.out.ns4.test$n > /dev/null || ret=1
+grep "IN.NSEC[^3].* DNSKEY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that the NSEC3 record is properly generated when DNSKEY are added via auto-dnssec ($n)"
+ret=0
+dig_with_opts +dnssec a auto-nsec3.example. @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.* ad[ ;]" dig.out.ns4.test$n > /dev/null || ret=1
+grep "IN.NSEC3 .* DNSKEY" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that signing records have been marked as complete ($n)"
+ret=0
+checkprivate dynamic.example 10.53.0.3 || ret=1
+checkprivate update-nsec3.example 10.53.0.3 || ret=1
+checkprivate auto-nsec3.example 10.53.0.3 || ret=1
+checkprivate expiring.example 10.53.0.3 || ret=1
+checkprivate auto-nsec.example 10.53.0.3 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing' without arguments is handled ($n)"
+ret=0
+rndccmd 10.53.0.3 signing > /dev/null 2>&1 && ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -list' without zone is handled ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -list > /dev/null 2>&1 && ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -clear' without additional arguments is handled ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -clear > /dev/null 2>&1 && ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -clear all' without zone is handled ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -clear all > /dev/null 2>&1 && ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -nsec3param' without additional arguments is handled ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -nsec3param > /dev/null 2>&1 && ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -nsec3param none' without zone is handled ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -nsec3param none > /dev/null 2>&1 && ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -nsec3param 1' without additional arguments is handled ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -nsec3param 1 > /dev/null 2>&1 && ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -nsec3param 1 0' without additional arguments is handled ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -nsec3param 1 0 > /dev/null 2>&1 && ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -nsec3param 1 0 0' without additional arguments is handled ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -nsec3param 1 0 0 > /dev/null 2>&1 && ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -nsec3param 1 0 0 -' without zone is handled ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -nsec3param 1 0 0 - > /dev/null 2>&1 && ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -nsec3param' works with salt ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -nsec3param 1 0 0 ffff inline.example > /dev/null 2>&1 || ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+for i in 1 2 3 4 5 6 7 8 9 10 ; do
+        salt=$(dig_with_opts +nodnssec +short nsec3param inline.example. @10.53.0.3 | awk '{print $4}')
+	if [ "$salt" = "FFFF" ]; then
+		break;
+	fi
+	echo_i "sleeping ...."
+	sleep 1
+done;
+[ "$salt" = "FFFF" ] || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -nsec3param' works without salt ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -nsec3param 1 0 0 - inline.example > /dev/null 2>&1 || ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+for i in 1 2 3 4 5 6 7 8 9 10 ; do
+	salt=$(dig_with_opts +nodnssec +short nsec3param inline.example. @10.53.0.3 | awk '{print $4}')
+	if [ "$salt" = "-" ]; then
+		break;
+	fi
+	echo_i "sleeping ...."
+	sleep 1
+done;
+[ "$salt" = "-" ] || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -nsec3param' works with 'auto' as salt ($n)"
+ret=0
+rndccmd 10.53.0.3 signing -nsec3param 1 0 0 auto inline.example > /dev/null 2>&1 || ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+for i in 1 2 3 4 5 6 7 8 9 10 ; do
+	salt=$(dig_with_opts +nodnssec +short nsec3param inline.example. @10.53.0.3 | awk '{print $4}')
+	[ -n "$salt" ] && [ "$salt" != "-" ] && break
+	echo_i "sleeping ...."
+	sleep 1
+done;
+[ "$salt" != "-" ] || ret=1
+[ "${#salt}" -eq 16 ] || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'rndc signing -nsec3param' with 'auto' as salt again generates a different salt ($n)"
+ret=0
+oldsalt=$salt
+rndccmd 10.53.0.3 signing -nsec3param 1 0 0 auto inline.example > /dev/null 2>&1 || ret=1
+rndccmd 10.53.0.3 status > /dev/null || ret=1
+for i in 1 2 3 4 5 6 7 8 9 10 ; do
+	salt=$(dig_with_opts +nodnssec +short nsec3param inline.example. @10.53.0.3 | awk '{print $4}')
+	[ -n "$salt" ] && [ "$salt" != "$oldsalt" ] && break
+	echo_i "sleeping ...."
+	sleep 1
+done;
+[ "$salt" != "$oldsalt" ] || ret=1
+[ "${#salt}" -eq 16 ] || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check rndc signing -list output ($n)"
+ret=0
+{ rndccmd 10.53.0.3 signing -list dynamic.example > signing.out; } 2>&1
+grep -q "No signing records found" signing.out || {
+        ret=1
+        sed 's/^/ns3 /' signing.out | cat_i
+}
+{ rndccmd 10.53.0.3 signing -list update-nsec3.example > signing.out; } 2>&1
+grep -q "Done signing with key .*/$DEFAULT_ALGORITHM" signing.out || {
+        ret=1
+        sed 's/^/ns3 /' signing.out | cat_i
+}
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "clear signing records ($n)"
+{ rndccmd 10.53.0.3 signing -clear all update-nsec3.example > /dev/null; } 2>&1 || ret=1
+check_no_signing_record_found() {
+  { rndccmd 10.53.0.3 signing -list update-nsec3.example > signing.out; } 2>&1
+  grep -q "No signing records found" signing.out || {
+    sed 's/^/ns3 /' signing.out | cat_i
+    return 1
+  }
+  return 0
+}
+retry_quiet 5 check_no_signing_record_found || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that a insecure zone beneath a cname resolves ($n)"
+ret=0
+dig_with_opts soa insecure.below-cname.example. @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that a secure zone beneath a cname resolves ($n)"
+ret=0
+dig_with_opts soa secure.below-cname.example. @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.* ad[ ;]" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+my_dig() {
+    "$DIG" +noadd +nosea +nostat +noquest +nocomm +nocmd -p "$PORT" @10.53.0.4 "$@"
+}
+
+echo_i "checking DNSKEY query with no data still gets put in cache ($n)"
+ret=0
+firstVal=$(my_dig insecure.example. dnskey| awk '$1 != ";;" { print $2 }')
+sleep 1
+secondVal=$(my_dig insecure.example. dnskey| awk '$1 != ";;" { print $2 }')
+if [ "${firstVal:-0}" -eq "${secondVal:-0}" ]
+then
+	sleep 1
+	thirdVal=$(my_dig insecure.example. dnskey|awk '$1 != ";;" { print $2 }')
+	if [ "${firstVal:-0}" -eq "${thirdVal:-0}" ]
+	then
+		echo_i "cannot confirm query answer still in cache"
+		ret=1
+	fi
+fi
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that a split dnssec dnssec-signzone work ($n)"
+ret=0
+dig_with_opts soa split-dnssec.example. @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.* ad[ ;]" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that a smart split dnssec dnssec-signzone work ($n)"
+ret=0
+dig_with_opts soa split-smart.example. @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.* ad[ ;]" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that NOTIFY is sent at the end of NSEC3 chain generation ($n)"
+ret=0
+(
+echo zone nsec3chain-test
+echo server 10.53.0.2 "$PORT"
+echo update add nsec3chain-test. 0 nsec3param 1 0 1 123456
+echo send
+) | $NSUPDATE
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
+do
+	dig_with_opts nsec3param nsec3chain-test @10.53.0.2 > dig.out.ns2.test$n || ret=1
+	if grep "ANSWER: 3," dig.out.ns2.test$n >/dev/null
+	then
+		break;
+	fi
+	echo_i "sleeping ...."
+	sleep 3
+done
+grep "ANSWER: 3," dig.out.ns2.test$n > /dev/null || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "nsec3 chain generation not complete"; fi
+dig_with_opts +noauth +nodnssec soa nsec3chain-test @10.53.0.2 > dig.out.ns2.test$n || ret=1
+s2=$(awk '$4 == "SOA" { print $7}' dig.out.ns2.test$n)
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	dig_with_opts +noauth +nodnssec soa nsec3chain-test @10.53.0.3 > dig.out.ns3.test$n || ret=1
+	s3=$(awk '$4 == "SOA" { print $7}' dig.out.ns3.test$n)
+	test "$s2" = "$s3" && break
+	sleep 1
+done
+digcomp dig.out.ns2.test$n dig.out.ns3.test$n || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check dnssec-dsfromkey from stdin ($n)"
+ret=0
+dig_with_opts dnskey algroll. @10.53.0.2 | \
+        $DSFROMKEY -f - algroll. > dig.out.ns2.test$n || ret=1
+NF=$(awk '{print NF}' dig.out.ns2.test$n | sort -u)
+[ "${NF}" = 7 ] || ret=1
+# make canonical
+awk '{
+	for (i=1;i<7;i++) printf("%s ", $i);
+	for (i=7;i<=NF;i++) printf("%s", $i);
+	printf("\n");
+}' < dig.out.ns2.test$n > canonical1.$n || ret=1
+awk '{
+	for (i=1;i<7;i++) printf("%s ", $i);
+	for (i=7;i<=NF;i++) printf("%s", $i);
+	printf("\n");
+}' < ns1/dsset-algroll. > canonical2.$n || ret=1
+diff -b canonical1.$n canonical2.$n > /dev/null 2>&1 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Intentionally strip ".key" from keyfile name to ensure the error message
+# includes it anyway to avoid confusion (RT #21731)
+echo_i "check dnssec-dsfromkey error message when keyfile is not found ($n)"
+ret=0
+key=$($KEYGEN -a $DEFAULT_ALGORITHM -q example.) || ret=1
+mv "$key.key" "$key"
+$DSFROMKEY "$key" > dsfromkey.out.$n 2>&1 && ret=1
+grep "$key.key: file not found" dsfromkey.out.$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check dnssec-dsfromkey with revoked key ($n)"
+ret=0
+dig_with_opts revkey.example dnskey @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "DNSKEY.256 3 13" dig.out.ns4.test$n > /dev/null || ret=1	# ZSK
+grep "DNSKEY.385 3 13" dig.out.ns4.test$n > /dev/null || ret=1	# revoked KSK
+grep "DNSKEY.257 3 13" dig.out.ns4.test$n > /dev/null || ret=1	# KSK
+test $(awk '$4 == "DNSKEY" { print }' dig.out.ns4.test$n | wc -l) -eq 3 || ret=1
+$DSFROMKEY -f dig.out.ns4.test$n revkey.example. > dsfromkey.out.test$n || ret=1
+test $(wc -l < dsfromkey.out.test$n) -eq 1 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+
+echo_i "testing soon-to-expire RRSIGs without a replacement private key ($n)"
+ret=0
+dig_with_answeropts +nottlid expiring.example ns @10.53.0.3 | grep RRSIG > dig.out.ns3.test$n 2>&1
+# there must be a signature here
+[ -s dig.out.ns3.test$n ] || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing new records are signed with 'no-resign' ($n)"
+ret=0
+(
+echo zone nosign.example
+echo server 10.53.0.3 "$PORT"
+echo update add new.nosign.example 300 in txt "hi there"
+echo send
+) | $NSUPDATE
+sleep 1
+dig_with_answeropts +nottlid txt new.nosign.example @10.53.0.3 \
+        > dig.out.ns3.test$n 2>&1
+grep RRSIG dig.out.ns3.test$n > /dev/null 2>&1 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing expiring records aren't resigned with 'no-resign' ($n)"
+ret=0
+dig_with_answeropts +nottlid nosign.example ns @10.53.0.3 | \
+        grep RRSIG | sed 's/[ 	][ 	]*/ /g' > dig.out.ns3.test$n 2>&1
+# the NS RRSIG should not be changed
+diff nosign.before dig.out.ns3.test$n > /dev/null|| ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing updates fail with no private key ($n)"
+ret=0
+rm -f ns3/Knosign.example.*.private
+(
+echo zone nosign.example
+echo server 10.53.0.3 "$PORT"
+echo update add fail.nosign.example 300 in txt "reject me"
+echo send
+) | $NSUPDATE > /dev/null 2>&1 && ret=1
+dig_with_answeropts +nottlid fail.nosign.example txt @10.53.0.3 \
+        > dig.out.ns3.test$n 2>&1
+[ -s dig.out.ns3.test$n ] && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing legacy upper case signer name validation ($n)"
+ret=0
+$DIG +tcp +noadd +noauth +dnssec -p "$PORT" soa upper.example @10.53.0.4 \
+        > dig.out.ns4.test$n 2>&1 || ret=1
+grep "flags:.* ad;" dig.out.ns4.test$n > /dev/null || ret=1
+grep "RRSIG.*SOA.* UPPER\\.EXAMPLE\\. " dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing that we lower case signer name ($n)"
+ret=0
+$DIG +tcp +noadd +noauth +dnssec -p "$PORT" soa LOWER.EXAMPLE @10.53.0.4 \
+        > dig.out.ns4.test$n 2>&1 || ret=1
+grep "flags:.* ad;" dig.out.ns4.test$n > /dev/null || ret=1
+grep "RRSIG.*SOA.* lower\\.example\\. " dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing TTL is capped at RRSIG expiry time ($n)"
+ret=0
+rndccmd 10.53.0.3 freeze expiring.example 2>&1 | sed 's/^/ns3 /' | cat_i
+(
+cd ns3 || exit 1
+for file in K*.moved; do
+  mv "$file" "$(basename "$file" .moved)"
+done
+$SIGNER -S -N increment -e now+1mi -o expiring.example expiring.example.db > /dev/null
+) || ret=1
+rndc_reload ns3 10.53.0.3 expiring.example
+
+rndccmd 10.53.0.4 flush 2>&1 | sed 's/^/ns4 /' | cat_i
+dig_with_answeropts +cd expiring.example soa @10.53.0.4 > dig.out.ns4.1.$n
+dig_with_answeropts expiring.example soa @10.53.0.4 > dig.out.ns4.2.$n
+ttls=$(awk '$1 != ";;" {print $2}' dig.out.ns4.1.$n)
+ttls2=$(awk '$1 != ";;" {print $2}' dig.out.ns4.2.$n)
+for ttl in ${ttls:-0}; do
+    [ "${ttl}" -eq 300 ] || ret=1
+done
+for ttl in ${ttls2:-0}; do
+    [ "${ttl}" -le 60 ] || ret=1
+done
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing TTL is capped at RRSIG expiry time for records in the additional section (NS) ($n)"
+ret=0
+rndccmd 10.53.0.4 flush 2>&1 | sed 's/^/ns4 /' | cat_i
+sleep 1
+dig_with_additionalopts +cd expiring.example ns @10.53.0.4 > dig.out.ns4.1.$n
+dig_with_additionalopts expiring.example ns @10.53.0.4 > dig.out.ns4.2.$n
+ttls=$(awk '$1 != ";;" {print $2}' dig.out.ns4.1.$n)
+ttls2=$(awk '$1 != ";;" {print $2}' dig.out.ns4.2.$n)
+for ttl in ${ttls:-300}; do
+    [ "$ttl" -le 300 ] && [ "$ttl" -gt 240 ] || ret=1
+done
+for ttl in ${ttls2:-0}; do
+    [ "$ttl" -le 60 ] || ret=1
+done
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing TTL is capped at RRSIG expiry time for records in the additional section (MX) ($n)"
+ret=0
+rndccmd 10.53.0.4 flush 2>&1 | sed 's/^/ns4 /' | cat_i
+sleep 1
+dig_with_additionalopts +cd expiring.example mx @10.53.0.4 > dig.out.ns4.1.$n
+dig_with_additionalopts expiring.example mx @10.53.0.4 > dig.out.ns4.2.$n
+ttls=$(awk '$1 != ";;" {print $2}' dig.out.ns4.1.$n)
+ttls2=$(awk '$1 != ";;" {print $2}' dig.out.ns4.2.$n)
+for ttl in ${ttls:-300}; do
+    [ "$ttl" -le 300 ] && [ "$ttl" -gt 240 ] || ret=1
+done
+for ttl in ${ttls2:-0}; do
+    [ "$ttl" -le 60 ] || ret=1
+done
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+copy_setports ns4/named3.conf.in ns4/named.conf
+rndccmd 10.53.0.4 reconfig 2>&1 | sed 's/^/ns4 /' | cat_i
+sleep 3
+
+echo_i "testing TTL of about to expire RRsets with dnssec-accept-expired yes; ($n)"
+ret=0
+rndccmd 10.53.0.4 flush 2>&1 | sed 's/^/ns4 /' | cat_i
+dig_with_answeropts +cd expiring.example soa @10.53.0.4 > dig.out.ns4.1.$n
+dig_with_answeropts expiring.example soa @10.53.0.4 > dig.out.ns4.2.$n
+ttls=$(awk '$1 != ";;" {print $2}' dig.out.ns4.1.$n)
+ttls2=$(awk '$1 != ";;" {print $2}' dig.out.ns4.2.$n)
+for ttl in ${ttls:-0}; do
+    [ "$ttl" -eq 300 ] || ret=1
+done
+for ttl in ${ttls2:-0}; do
+    [ "$ttl" -eq 120 ] || ret=1
+done
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing TTL of expired RRsets with dnssec-accept-expired yes; ($n)"
+ret=0
+dig_with_answeropts +cd expired.example soa @10.53.0.4 > dig.out.ns4.1.$n
+dig_with_answeropts expired.example soa @10.53.0.4 > dig.out.ns4.2.$n
+ttls=$(awk '$1 != ";;" {print $2}' dig.out.ns4.1.$n)
+ttls2=$(awk '$1 != ";;" {print $2}' dig.out.ns4.2.$n)
+for ttl in ${ttls:-0}; do
+    [ "$ttl" -eq 300 ] || ret=1
+done
+for ttl in ${ttls2:-0}; do
+    [ "$ttl" -eq 120 ] || ret=1
+done
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing TTL is capped at RRSIG expiry time for records in the additional section with dnssec-accept-expired yes; ($n)"
+ret=0
+rndccmd 10.53.0.4 flush 2>&1 | sed 's/^/ns4 /' | cat_i
+dig_with_additionalopts +cd expiring.example mx @10.53.0.4 > dig.out.ns4.1.$n
+dig_with_additionalopts expiring.example mx @10.53.0.4 > dig.out.ns4.2.$n
+ttls=$(awk '$1 != ";;" {print $2}' dig.out.ns4.1.$n)
+ttls2=$(awk '$1 != ";;" {print $2}' dig.out.ns4.2.$n)
+for ttl in ${ttls:-300}; do
+    [ "$ttl" -le 300 ] && [ "$ttl" -gt 240 ] || ret=1
+done
+for ttl in ${ttls2:-0}; do
+    [ "$ttl" -le 120 ] && [ "$ttl" -gt 60 ] || ret=1
+done
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing DNSKEY lookup via CNAME ($n)"
+ret=0
+dig_with_opts +noauth cnameandkey.secure.example. \
+	@10.53.0.3 dnskey > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth cnameandkey.secure.example. \
+	@10.53.0.4 dnskey > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "CNAME" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing KEY lookup at CNAME (present) ($n)"
+ret=0
+dig_with_opts +noauth cnameandkey.secure.example. \
+	@10.53.0.3 key > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth cnameandkey.secure.example. \
+	@10.53.0.4 key > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "CNAME" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing KEY lookup at CNAME (not present) ($n)"
+ret=0
+dig_with_opts +noauth cnamenokey.secure.example. \
+	@10.53.0.3 key > dig.out.ns3.test$n || ret=1
+dig_with_opts +noauth cnamenokey.secure.example. \
+	@10.53.0.4 key > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "CNAME" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing DNSKEY lookup via DNAME ($n)"
+ret=0
+dig_with_opts a.dnameandkey.secure.example. \
+	@10.53.0.3 dnskey > dig.out.ns3.test$n || ret=1
+dig_with_opts a.dnameandkey.secure.example. \
+	@10.53.0.4 dnskey > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "CNAME" dig.out.ns4.test$n > /dev/null || ret=1
+grep "DNAME" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "testing KEY lookup via DNAME ($n)"
+ret=0
+dig_with_opts b.dnameandkey.secure.example. \
+	@10.53.0.3 key > dig.out.ns3.test$n || ret=1
+dig_with_opts b.dnameandkey.secure.example. \
+	@10.53.0.4 key > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns3.test$n dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "DNAME" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that named doesn't loop when all private keys are not available ($n)"
+ret=0
+lines=$(grep -c "reading private key file expiring.example" ns3/named.run || true)
+test "${lines:-1000}" -lt 15 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check against against missing nearest provable proof ($n)"
+dig_with_opts +norec b.c.d.optout-tld. \
+	@10.53.0.6 ds > dig.out.ds.ns6.test$n || ret=1
+nsec3=$(grep -c "IN.NSEC3" dig.out.ds.ns6.test$n || true)
+[ "$nsec3" -eq 2 ] || ret=1
+dig_with_opts +norec b.c.d.optout-tld. \
+	@10.53.0.6 A > dig.out.ns6.test$n || ret=1
+nsec3=$(grep -c "IN.NSEC3" dig.out.ns6.test$n || true)
+[ "$nsec3" -eq 1 ] || ret=1
+dig_with_opts optout-tld. \
+	@10.53.0.4 SOA > dig.out.soa.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.soa.ns4.test$n > /dev/null || ret=1
+dig_with_opts b.c.d.optout-tld. \
+	@10.53.0.4 A > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that key id are logged when dumping the cache ($n)"
+ret=0
+rndc_dumpdb ns4
+grep "; key id = " ns4/named_dump.db.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check KEYDATA records are printed in human readable form in key zone ($n)"
+# force the managed-keys zone to be written out
+rndccmd 10.53.0.4 managed-keys sync 2>&1 | sed 's/^/ns4 /' | cat_i
+for i in 1 2 3 4 5 6 7 8 9
+do
+    ret=0
+    if test -f ns4/managed-keys.bind
+    then
+	grep KEYDATA ns4/managed-keys.bind > /dev/null &&
+	grep "next refresh:" ns4/managed-keys.bind > /dev/null &&
+	break
+    fi
+    ret=1
+    sleep 1
+done
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check dig's +nocrypto flag ($n)"
+ret=0
+dig_with_opts +norec +nocrypto DNSKEY . \
+	@10.53.0.1 > dig.out.dnskey.ns1.test$n || ret=1
+grep -E "256 [0-9]+ $DEFAULT_ALGORITHM_NUMBER \\[key id = [1-9][0-9]*]" dig.out.dnskey.ns1.test$n > /dev/null || ret=1
+grep -E "RRSIG.* \\[omitted]" dig.out.dnskey.ns1.test$n > /dev/null || ret=1
+dig_with_opts +norec +nocrypto DS example \
+	@10.53.0.1 > dig.out.ds.ns1.test$n || ret=1
+grep -E "DS.* [0-9]+ [12] \[omitted]" dig.out.ds.ns1.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check simultaneous inactivation and publishing of dnskeys removes inactive signature ($n)"
+ret=0
+cnt=0
+while :
+do
+dig_with_opts publish-inactive.example @10.53.0.3 dnskey > dig.out.ns3.test$n
+keys=$(awk '$5 == 257 { print; }' dig.out.ns3.test$n | wc -l)
+test "$keys" -gt 2 && break
+cnt=$((cnt+1))
+test "$cnt" -gt 120 && break
+sleep 1
+done
+test "$keys" -gt 2 || ret=1
+sigs=$(grep -c RRSIG dig.out.ns3.test$n || true)
+n=$((n+1))
+test "$sigs" -eq 2 || ret=1
+if test "$ret" -ne 0 ; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "check that increasing the sig-validity-interval resigning triggers re-signing ($n)"
+ret=0
+before=$($DIG axfr siginterval.example -p "$PORT" @10.53.0.3 | grep RRSIG.SOA)
+cp ns3/siginterval2.conf ns3/siginterval.conf
+rndccmd 10.53.0.3 reconfig 2>&1 | sed 's/^/ns3 /' | cat_i
+i=10
+while [ "$i" -ge 0 ]; do
+after=$($DIG axfr siginterval.example -p "$PORT" @10.53.0.3 | grep RRSIG.SOA)
+test "$before" != "$after" && break
+sleep 1
+i=$((i-1))
+done
+n=$((n+1))
+if test "$before" = "$after" ; then echo_i "failed"; ret=1; fi
+status=$((status+ret))
+
+if [ -x "$PYTHON" ]; then
+    echo_i "check dnskey-sig-validity sets longer expiry for DNSKEY ($n)"
+    ret=0
+    rndccmd 10.53.0.3 sign siginterval.example 2>&1 | sed 's/^/ns3 /' | cat_i
+    # convert expiry date to a comma-separated list of integers python can
+    # use as input to date(). strip leading 0s in months and days so
+    # python3 will recognize them as integers.
+    $DIG +dnssec +short -p "$PORT" @10.53.0.3 soa siginterval.example > dig.out.soa.test$n || ret=1
+    soaexpire=$(awk '$1 ~ /SOA/ { print $5 }' dig.out.soa.test$n |
+	       sed 's/\(....\)\(..\)\(..\).*/\1, \2, \3/' |
+	       sed 's/ 0/ /g')
+    $DIG +dnssec +short -p "$PORT" @10.53.0.3 dnskey siginterval.example > dig.out.dnskey.test$n || ret=1
+    dnskeyexpire=$(awk '$1 ~ /DNSKEY/ { print $5; exit 0 }' dig.out.dnskey.test$n |
+		  sed 's/\(....\)\(..\)\(..\).*/\1, \2, \3/' |
+		  sed 's/ 0/ /g')
+    $PYTHON > python.out.$n <<EOF
+from datetime import date;
+ke=date($dnskeyexpire)
+se=date($soaexpire)
+print((ke-se).days);
+EOF
+    diff=$(cat python.out.$n)
+    [ "$diff" -ge 55 ] || ret=1
+    n=$((n+1))
+    test "$ret" -eq 0 || echo_i "failed"
+    status=$((status+ret))
+fi
+
+copy_setports ns4/named4.conf.in ns4/named.conf
+rndccmd 10.53.0.4 reconfig 2>&1 | sed 's/^/ns4 /' | cat_i
+sleep 3
+
+echo_i "check insecure delegation between static-stub zones ($n)"
+ret=0
+dig_with_opts ns insecure.secure.example \
+	@10.53.0.4 > dig.out.ns4.1.test$n || ret=1
+grep "SERVFAIL" dig.out.ns4.1.test$n > /dev/null && ret=1
+dig_with_opts ns secure.example \
+	@10.53.0.4 > dig.out.ns4.2.test$n || ret=1
+grep "SERVFAIL" dig.out.ns4.2.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check the acceptance of seconds as inception and expiration times ($n)"
+ret=0
+in="NSEC 8 0 86400 1390003200 1389394800 33655 . NYWjZYBV1b+h4j0yu/SmPOOylR8P4IXKDzHX3NwEmU1SUp27aJ91dP+i+UBcnPmBib0hck4DrFVvpflCEpCnVQd2DexcN0GX+3PM7XobxhtDlmnU X1L47zJlbdHNwTqHuPaMM6Xy9HGMXps7O5JVyfggVhTz2C+G5OVxBdb2rOo="
+
+exp="NSEC 8 0 86400 20140118000000 20140110230000 33655 . NYWjZYBV1b+h4j0yu/SmPOOylR8P4IXKDzHX3NwEmU1SUp27aJ91dP+i +UBcnPmBib0hck4DrFVvpflCEpCnVQd2DexcN0GX+3PM7XobxhtDlmnU X1L47zJlbdHNwTqHuPaMM6Xy9HGMXps7O5JVyfggVhTz2C+G5OVxBdb2 rOo="
+
+out=$(echo "IN RRSIG $in" | $RRCHECKER -p | sed 's/^IN.RRSIG.//')
+[ "$out" = "$exp" ] || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check the correct resigning time is reported in zonestatus ($n)"
+ret=0
+rndccmd 10.53.0.3 \
+		zonestatus secure.example > rndc.out.ns3.test$n
+# next resign node: secure.example/DNSKEY
+qname=$(awk '/next resign node:/ { print $4 }' rndc.out.ns3.test$n | sed 's,/.*,,')
+qtype=$(awk '/next resign node:/ { print $4 }' rndc.out.ns3.test$n | sed 's,.*/,,')
+# next resign time: Thu, 24 Apr 2014 10:38:16 GMT
+time=$(awk 'BEGIN { m["Jan"] = "01"; m["Feb"] = "02"; m["Mar"] = "03";
+		   m["Apr"] = "04"; m["May"] = "05"; m["Jun"] = "06";
+		   m["Jul"] = "07"; m["Aug"] = "08"; m["Sep"] = "09";
+		   m["Oct"] = "10"; m["Nov"] = "11"; m["Dec"] = "12";}
+	 /next resign time:/ { printf "%d%s%02d%s\n", $7, m[$6], $5, $8 }' rndc.out.ns3.test$n | sed 's/://g')
+dig_with_opts +noall +answer "$qname" "$qtype" @10.53.0.3 > dig.out.test$n
+expire=$(awk '$4 == "RRSIG" { print $9 }' dig.out.test$n)
+inception=$(awk '$4 == "RRSIG" { print $10 }' dig.out.test$n)
+$PERL -e 'exit(0) if ("'"$time"'" lt "'"$expire"'" && "'"$time"'" gt "'"$inception"'"); exit(1);' || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that split rrsigs are handled ($n)"
+ret=0
+dig_with_opts split-rrsig soa @10.53.0.7 > dig.out.test$n || ret=1
+awk 'BEGIN { ok=0; } $4 == "SOA" { if ($7 > 1) ok=1; } END { if (!ok) exit(1); }' dig.out.test$n || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that not-at-zone-apex RRSIG(SOA) RRsets are removed from the zone after load ($n)"
+ret=0
+dig_with_opts split-rrsig AXFR @10.53.0.7 > dig.out.test$n || ret=1
+grep -q "not-at-zone-apex.*RRSIG.*SOA" dig.out.test$n && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that 'dnssec-keygen -S' works for all supported algorithms ($n)"
+ret=0
+alg=1
+until test $alg -eq 256
+do
+    zone="keygen-$alg."
+    case $alg in
+	2) # Diffie Helman
+	    alg=$((alg+1))
+	    continue;;
+	157|160|161|162|163|164|165) # private - non standard
+	    alg=$((alg+1))
+	    continue;;
+	1|5|7|8|10) # RSA algorithms
+	    key1=$($KEYGEN -a "$alg" -b "1024" -n zone "$zone" 2> "keygen-$alg.err" || true)
+	    ;;
+	15|16)
+	    key1=$($KEYGEN -a "$alg" -n zone "$zone" 2> "keygen-$alg.err" || true)
+	    ;;
+	*)
+	    key1=$($KEYGEN -a "$alg" -n zone "$zone" 2> "keygen-$alg.err" || true)
+    esac
+    if grep "unsupported algorithm" "keygen-$alg.err" > /dev/null
+    then
+	alg=$((alg+1))
+	continue
+    fi
+    if test -z "$key1"
+    then
+	echo_i "'$KEYGEN -a $alg': failed"
+	cat "keygen-$alg.err"
+	ret=1
+	alg=$((alg+1))
+	continue
+    fi
+    $SETTIME -I now+4d "$key1.private" > /dev/null
+    key2=$($KEYGEN -v 10 -i 3d -S "$key1.private" 2> /dev/null)
+    test -f "$key2.key" -a -f "$key2.private" || {
+	ret=1
+	echo_i "'dnssec-keygen -S' failed for algorithm: $alg"
+    }
+    alg=$((alg+1))
+done
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDS records are signed using KSK by dnssec-signzone ($n)"
+ret=0
+dig_with_opts +noall +answer @10.53.0.2 cds cds.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDS" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDS records are not signed using ZSK by dnssec-signzone -x ($n)"
+ret=0
+dig_with_opts +noall +answer @10.53.0.2 cds cds-x.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDS" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that positive unknown NSEC3 hash algorithm does validate ($n)"
+ret=0
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.3 nsec3-unknown.example SOA > dig.out.ns3.test$n
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.4 nsec3-unknown.example SOA > dig.out.ns4.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDS records are signed using KSK by with dnssec-auto ($n)"
+ret=0
+dig_with_opts +noall +answer @10.53.0.2 cds cds-auto.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDS" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that a CDS deletion record is accepted ($n)"
+ret=0
+(
+echo zone cds-update.secure
+echo server 10.53.0.2 "$PORT"
+echo update delete cds-update.secure CDS
+echo update add cds-update.secure 0 CDS 0 0 0 00
+echo send
+) | $NSUPDATE > nsupdate.out.test$n 2>&1
+dig_with_opts +noall +answer @10.53.0.2 cds cds-update.secure > dig.out.test$n
+lines=$(awk '$4 == "CDS" {print}' dig.out.test$n | wc -l)
+test "${lines:-10}" -eq 1 || ret=1
+lines=$(awk '$4 == "CDS" && $5 == "0" && $6 == "0" && $7 == "0" && $8 == "00" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDS records are signed using KSK when added by nsupdate ($n)"
+ret=0
+(
+echo zone cds-update.secure
+echo server 10.53.0.2 "$PORT"
+echo update delete cds-update.secure CDS
+echo send
+dig_with_opts +noall +answer @10.53.0.2 dnskey cds-update.secure |
+grep "DNSKEY.257" |
+$DSFROMKEY -12 -C -f - -T 1 cds-update.secure |
+sed "s/^/update add /"
+echo send
+) | $NSUPDATE
+dig_with_opts +noall +answer @10.53.0.2 cds cds-update.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDS" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+lines=$(awk '$4 == "CDS" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDS records are signed only using KSK when added by"
+echo_ic "nsupdate when dnssec-dnskey-kskonly is yes ($n)"
+ret=0
+keyid=$(cat ns2/cds-kskonly.secure.id)
+(
+echo zone cds-kskonly.secure
+echo server 10.53.0.2 "$PORT"
+echo update delete cds-kskonly.secure CDS
+echo send
+dig_with_opts +noall +answer @10.53.0.2 dnskey cds-kskonly.secure |
+grep "DNSKEY.257" |
+$DSFROMKEY -12 -C -f - -T 1 cds-kskonly.secure |
+sed "s/^/update add /"
+echo send
+) | $NSUPDATE
+dig_with_opts +noall +answer @10.53.0.2 cds cds-kskonly.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDS" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+lines=$(awk -v id="${keyid}" '$4 == "RRSIG" && $5 == "CDS" && $11 == id {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+lines=$(awk '$4 == "CDS" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDS deletion records are signed only using KSK when added by"
+echo_ic "nsupdate when dnssec-dnskey-kskonly is yes ($n)"
+ret=0
+keyid=$(cat ns2/cds-kskonly.secure.id)
+(
+echo zone cds-kskonly.secure
+echo server 10.53.0.2 "$PORT"
+echo update delete cds-kskonly.secure CDS
+echo update add cds-kskonly.secure 0 CDS 0 0 0 00
+echo send
+) | $NSUPDATE
+dig_with_opts +noall +answer @10.53.0.2 cds cds-kskonly.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDS" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+lines=$(awk -v id="${keyid}" '$4 == "RRSIG" && $5 == "CDS" && $11 == id {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+lines=$(awk '$4 == "CDS" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+lines=$(awk '$4 == "CDS" && $5 == "0" && $6 == "0" && $7 == "0" && $8 == "00" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that positive unknown NSEC3 hash algorithm with OPTOUT does validate ($n)"
+ret=0
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.3 optout-unknown.example SOA > dig.out.ns3.test$n
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.4 optout-unknown.example SOA > dig.out.ns4.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that a non matching CDS record is accepted with a matching CDS record ($n)"
+ret=0
+(
+echo zone cds-update.secure
+echo server 10.53.0.2 "$PORT"
+echo update delete cds-update.secure CDS
+echo send
+dig_with_opts +noall +answer @10.53.0.2 dnskey cds-update.secure |
+grep "DNSKEY.257" |
+$DSFROMKEY -12 -C -f - -T 1 cds-update.secure |
+sed "s/^/update add /"
+dig_with_opts +noall +answer @10.53.0.2 dnskey cds-update.secure |
+grep "DNSKEY.257" | sed 's/DNSKEY.257/DNSKEY 258/' |
+$DSFROMKEY -12 -C -A -f - -T 1 cds-update.secure |
+sed "s/^/update add /"
+echo send
+) | $NSUPDATE
+dig_with_opts +noall +answer @10.53.0.2 cds cds-update.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDS" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+lines=$(awk '$4 == "CDS" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 4 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that negative unknown NSEC3 hash algorithm does not validate ($n)"
+ret=0
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.3 nsec3-unknown.example A > dig.out.ns3.test$n
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.4 nsec3-unknown.example A > dig.out.ns4.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: SERVFAIL," dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDNSKEY records are signed using KSK by dnssec-signzone ($n)"
+ret=0
+dig_with_opts +noall +answer @10.53.0.2 cdnskey cdnskey.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDNSKEY records are not signed using ZSK by dnssec-signzone -x ($n)"
+ret=0
+dig_with_opts +noall +answer @10.53.0.2 cdnskey cdnskey-x.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that negative unknown NSEC3 hash algorithm with OPTOUT does not validate ($n)"
+ret=0
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.3 optout-unknown.example A > dig.out.ns3.test$n
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.4 optout-unknown.example A > dig.out.ns4.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: SERVFAIL," dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDNSKEY records are signed using KSK by with dnssec-auto ($n)"
+ret=0
+dig_with_opts +noall +answer @10.53.0.2 cdnskey cdnskey-auto.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that unknown DNSKEY algorithm validates as insecure ($n)"
+ret=0
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.3 dnskey-unknown.example A > dig.out.ns3.test$n
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.4 dnskey-unknown.example A > dig.out.ns4.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that unsupported DNSKEY algorithm validates as insecure ($n)"
+ret=0
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.3 dnskey-unsupported.example A > dig.out.ns3.test$n
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.4 dnskey-unsupported.example A > dig.out.ns4.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that unsupported DNSKEY algorithm is in DNSKEY RRset ($n)"
+ret=0
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.3 dnskey-unsupported-2.example DNSKEY > dig.out.test$n
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+grep "dnskey-unsupported-2\.example\..*IN.*DNSKEY.*257 3 255" dig.out.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# TODO: test case for GL #1689.
+# If we allow the dnssec tools to use deprecated algorithms (such as RSAMD5)
+# we could write a test that signs a zone with supported and unsupported
+# algorithm, apply a fixed rrset order such that the unsupported algorithm
+# precedes the supported one in the DNSKEY RRset, and verify the result still
+# validates succesfully.
+
+echo_i "check that a CDNSKEY deletion record is accepted ($n)"
+ret=0
+(
+echo zone cdnskey-update.secure
+echo server 10.53.0.2 "$PORT"
+echo update delete cdnskey-update.secure CDNSKEY
+echo update add cdnskey-update.secure 0 CDNSKEY 0 3 0 AA==
+echo send
+) | $NSUPDATE > nsupdate.out.test$n 2>&1
+dig_with_opts +noall +answer @10.53.0.2 cdnskey cdnskey-update.secure > dig.out.test$n
+lines=$(awk '$4 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "${lines:-10}" -eq 1 || ret=1
+lines=$(awk '$4 == "CDNSKEY" && $5 == "0" && $6 == "3" && $7 == "0" && $8 == "AA==" {print}' dig.out.test$n | wc -l)
+test "${lines:-10}" -eq 1 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that unknown DNSKEY algorithm + unknown NSEC3 has algorithm validates as insecure ($n)"
+ret=0
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.3 dnskey-nsec3-unknown.example A > dig.out.ns3.test$n
+dig_with_opts +noauth +noadd +nodnssec +adflag @10.53.0.4 dnskey-nsec3-unknown.example A > dig.out.ns4.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDNSKEY records are signed using KSK when added by nsupdate ($n)"
+ret=0
+(
+echo zone cdnskey-update.secure
+echo server 10.53.0.2 "$PORT"
+echo update delete cdnskey-update.secure CDNSKEY
+dig_with_opts +noall +answer @10.53.0.2 dnskey cdnskey-update.secure |
+sed -n -e "s/^/update add /" -e 's/DNSKEY.257/CDNSKEY 257/p'
+echo send
+) | $NSUPDATE
+dig_with_opts +noall +answer @10.53.0.2 cdnskey cdnskey-update.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+lines=$(awk '$4 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDNSKEY records are signed only using KSK when added by"
+echo_ic "nsupdate when dnssec-dnskey-kskonly is yes ($n)"
+ret=0
+keyid=$(cat ns2/cdnskey-kskonly.secure.id)
+(
+echo zone cdnskey-kskonly.secure
+echo server 10.53.0.2 "$PORT"
+echo update delete cdnskey-kskonly.secure CDNSKEY
+dig_with_opts +noall +answer @10.53.0.2 dnskey cdnskey-kskonly.secure |
+sed -n -e "s/^/update add /" -e 's/DNSKEY.257/CDNSKEY 257/p'
+echo send
+) | $NSUPDATE
+dig_with_opts +noall +answer @10.53.0.2 cdnskey cdnskey-kskonly.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+lines=$(awk -v id="${keyid}" '$4 == "RRSIG" && $5 == "CDNSKEY" && $11 == id {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+lines=$(awk '$4 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that CDNSKEY deletion records are signed only using KSK when added by"
+echo_ic "nsupdate when dnssec-dnskey-kskonly is yes ($n)"
+ret=0
+keyid=$(cat ns2/cdnskey-kskonly.secure.id)
+(
+echo zone cdnskey-kskonly.secure
+echo server 10.53.0.2 "$PORT"
+echo update delete cdnskey-kskonly.secure CDNSKEY
+echo update add cdnskey-kskonly.secure 0 CDNSKEY 0 3 0 AA==
+echo send
+) | $NSUPDATE
+dig_with_opts +noall +answer @10.53.0.2 cdnskey cdnskey-kskonly.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+lines=$(awk -v id="${keyid}" '$4 == "RRSIG" && $5 == "CDNSKEY" && $11 == id {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+lines=$(awk '$4 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+lines=$(awk '$4 == "CDNSKEY" && $5 == "0" && $6 == "3" && $7 == "0" && $8 == "AA==" {print}' dig.out.test$n | wc -l)
+test "${lines:-10}" -eq 1 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking initialization with a revoked managed key ($n)"
+ret=0
+copy_setports ns5/named2.conf.in ns5/named.conf
+rndccmd 10.53.0.5 reconfig 2>&1 | sed 's/^/ns5 /' | cat_i
+sleep 3
+dig_with_opts +dnssec @10.53.0.5 SOA . > dig.out.ns5.test$n
+grep "status: SERVFAIL" dig.out.ns5.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that a non matching CDNSKEY record is accepted with a matching CDNSKEY record ($n)"
+ret=0
+(
+echo zone cdnskey-update.secure
+echo server 10.53.0.2 "$PORT"
+echo update delete cdnskey-update.secure CDNSKEY
+dig_with_opts +noall +answer @10.53.0.2 dnskey cdnskey-update.secure |
+sed -n -e "s/^/update add /" -e 's/DNSKEY.257/CDNSKEY 257/p'
+dig_with_opts +noall +answer @10.53.0.2 dnskey cdnskey-update.secure |
+sed -n -e "s/^/update add /" -e 's/DNSKEY.257/CDNSKEY 258/p'
+echo send
+) | $NSUPDATE
+dig_with_opts +noall +answer @10.53.0.2 cdnskey cdnskey-update.secure > dig.out.test$n
+lines=$(awk '$4 == "RRSIG" && $5 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+lines=$(awk '$4 == "CDNSKEY" {print}' dig.out.test$n | wc -l)
+test "$lines" -eq 2 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that RRSIGs are correctly removed from apex when RRset is removed  NSEC ($n)"
+ret=0
+# generate signed zone with MX and AAAA records at apex.
+(
+cd signer || exit 1
+$KEYGEN -q -a $DEFAULT_ALGORITHM -3 -fK remove > /dev/null
+$KEYGEN -q -a $DEFAULT_ALGORITHM -33 remove > /dev/null
+echo > remove.db.signed
+$SIGNER -S -o remove -D -f remove.db.signed remove.db.in > signer.out.1.$n
+)
+grep "RRSIG MX" signer/remove.db.signed > /dev/null || {
+	ret=1 ; cp signer/remove.db.signed signer/remove.db.signed.pre$n;
+}
+# re-generate signed zone without MX and AAAA records at apex.
+(
+cd signer || exit 1
+$SIGNER -S -o remove -D -f remove.db.signed remove2.db.in > signer.out.2.$n
+)
+grep "RRSIG MX" signer/remove.db.signed > /dev/null &&  {
+	ret=1 ; cp signer/remove.db.signed signer/remove.db.signed.post$n;
+}
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that RRSIGs are correctly removed from apex when RRset is removed  NSEC3 ($n)"
+ret=0
+# generate signed zone with MX and AAAA records at apex.
+(
+cd signer || exit 1
+echo > remove.db.signed
+$SIGNER -3 - -S -o remove -D -f remove.db.signed remove.db.in > signer.out.1.$n
+)
+grep "RRSIG MX" signer/remove.db.signed > /dev/null || {
+	ret=1 ; cp signer/remove.db.signed signer/remove.db.signed.pre$n;
+}
+# re-generate signed zone without MX and AAAA records at apex.
+(
+cd signer || exit 1
+$SIGNER -3 - -S -o remove -D -f remove.db.signed remove2.db.in > signer.out.2.$n
+)
+grep "RRSIG MX" signer/remove.db.signed > /dev/null &&  {
+	ret=1 ; cp signer/remove.db.signed signer/remove.db.signed.post$n;
+}
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that a named managed zone that was signed 'in-the-future' is re-signed when loaded ($n)"
+ret=0
+dig_with_opts managed-future.example. @10.53.0.4 a > dig.out.ns4.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that trust-anchor-telemetry queries are logged ($n)"
+ret=0
+grep "sending trust-anchor-telemetry query '_ta-[0-9a-f]*/NULL" ns6/named.run > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that _ta-XXXX trust-anchor-telemetry queries are logged ($n)"
+ret=0
+grep "trust-anchor-telemetry '_ta-[0-9a-f]*/IN' from" ns1/named.run > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that _ta-AAAA trust-anchor-telemetry are not sent when disabled ($n)"
+ret=0
+grep "sending trust-anchor-telemetry query '_ta-[0-9a-f]*/IN" ns1/named.run > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that KEY-TAG trust-anchor-telemetry queries are logged ($n)"
+ret=0
+dig_with_opts . dnskey +ednsopt=KEY-TAG:ffff @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "trust-anchor-telemetry './IN' from .* 65535" ns1/named.run > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that multiple KEY-TAG trust-anchor-telemetry options don't leak memory ($n)"
+ret=0
+dig_with_opts . dnskey +ednsopt=KEY-TAG:fffe +ednsopt=KEY-TAG:fffd @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "trust-anchor-telemetry './IN' from .* 65534" ns1/named.run > /dev/null || ret=1
+grep "trust-anchor-telemetry './IN' from .* 65533" ns1/named.run > /dev/null && ret=1
+stop_server ns1 || ret=1
+nextpart ns1/named.run > /dev/null
+start_server --noclean --restart --port ${PORT} ns1 || ret=1
+n=$(($n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "waiting for root server to finish reloading ($n)"
+ret=0
+wait_for_log 20 "all zones loaded" ns1/named.run || ret=1
+n=$(($n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that the view is logged in messages from the validator when using views ($n)"
+ret=0
+grep "view rec: *validat" ns4/named.run > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that DNAME at apex with NSEC3 is correctly signed (dnssec-signzone) ($n)"
+ret=0
+dig_with_opts txt dname-at-apex-nsec3.example @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "RRSIG.NSEC3 $DEFAULT_ALGORITHM_NUMBER 3 600" dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "check that DNSKEY and other occluded data are excluded from the delegating bitmap ($n)"
+ret=0
+dig_with_opts axfr occluded.example @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "^delegation.occluded.example..*NSEC.*NS KEY DS RRSIG NSEC$" dig.out.ns3.test$n > /dev/null || ret=1
+grep "^delegation.occluded.example..*DNSKEY.*" dig.out.ns3.test$n > /dev/null || ret=1
+grep "^delegation.occluded.example..*AAAA.*" dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking DNSSEC records are occluded from ANY in an insecure zone ($n)"
+ret=0
+dig_with_opts any x.insecure.example. @10.53.0.3 > dig.out.ns3.1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.1.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns3.1.test$n > /dev/null || ret=1
+dig_with_opts any zz.secure.example. @10.53.0.3 > dig.out.ns3.2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.2.test$n > /dev/null || ret=1
+# DNSKEY+RRSIG, NSEC+RRSIG
+grep "ANSWER: 4," dig.out.ns3.2.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# DNSSEC tests related to unsupported, disabled and revoked trust anchors.
+#
+
+# This nameserver (ns8) is loaded with a bunch of trust anchors.  Some of
+# them are good (enabled.managed, enabled.trusted, secure.managed,
+# secure.trusted), and some of them are bad (disabled.managed,
+# revoked.managed, unsupported.managed, disabled.trusted, revoked.trusted,
+# unsupported.trusted).  Make sure that the bad trust anchors are ignored.
+# This is tested by looking for the corresponding lines in the logfile.
+echo_i "checking that keys with unsupported algorithms and disabled algorithms are ignored ($n)"
+ret=0
+grep -q "ignoring static-key for 'disabled\.trusted\.': algorithm is disabled" ns8/named.run || ret=1
+grep -q "ignoring static-key for 'unsupported\.trusted\.': algorithm is unsupported" ns8/named.run || ret=1
+grep -q "ignoring static-key for 'revoked\.trusted\.': bad key type" ns8/named.run || ret=1
+grep -q "ignoring initial-key for 'disabled\.managed\.': algorithm is disabled" ns8/named.run || ret=1
+grep -q "ignoring initial-key for 'unsupported\.managed\.': algorithm is unsupported" ns8/named.run || ret=1
+grep -q "ignoring initial-key for 'revoked\.managed\.': bad key type" ns8/named.run || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# The next two tests are fairly normal DNSSEC queries to signed zones with a
+# default algorithm.  First, a query is made against the server that is
+# authoritative for the given zone (ns3).  Second, a query is made against a
+# resolver with trust anchors for the given zone (ns8).  Both are expected to
+# return an authentic data positive response.
+echo_i "checking that a trusted key using a supported algorithm validates as secure ($n)"
+ret=0
+dig_with_opts @10.53.0.3 a.secure.trusted A > dig.out.ns3.test$n
+dig_with_opts @10.53.0.8 a.secure.trusted A > dig.out.ns8.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns8.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns8.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that a managed key using a supported algorithm validates as secure ($n)"
+ret=0
+dig_with_opts @10.53.0.3 a.secure.managed A > dig.out.ns3.test$n
+dig_with_opts @10.53.0.8 a.secure.managed A > dig.out.ns8.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns8.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns8.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# The next two queries ensure that a zone signed with a DNSKEY with an unsupported
+# algorithm will yield insecure positive responses.  These trust anchors in ns8 are
+# ignored and so this domain is treated as insecure.  The AD bit should not be set
+# in the response.
+echo_i "checking that a trusted key using an unsupported algorithm validates as insecure ($n)"
+ret=0
+dig_with_opts @10.53.0.3 a.unsupported.trusted A > dig.out.ns3.test$n
+dig_with_opts @10.53.0.8 a.unsupported.trusted A > dig.out.ns8.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns8.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns8.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that a managed key using an unsupported algorithm validates as insecure ($n)"
+ret=0
+dig_with_opts @10.53.0.3 a.unsupported.managed A > dig.out.ns3.test$n
+dig_with_opts @10.53.0.8 a.unsupported.managed A > dig.out.ns8.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns8.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns8.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# The next two queries ensure that a zone signed with a DNSKEY that the nameserver
+# has a disabled algorithm match for will yield insecure positive responses.
+# These trust anchors in ns8 are ignored and so this domain is treated as insecure.
+# The AD bit should not be set in the response.
+echo_i "checking that a trusted key using a disabled algorithm validates as insecure ($n)"
+ret=0
+dig_with_opts @10.53.0.3 a.disabled.trusted A > dig.out.ns3.test$n
+dig_with_opts @10.53.0.8 a.disabled.trusted A > dig.out.ns8.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns8.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns8.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that a managed key using a disabled algorithm validates as insecure ($n)"
+ret=0
+dig_with_opts @10.53.0.3 a.disabled.managed A > dig.out.ns3.test$n
+dig_with_opts @10.53.0.8 a.disabled.managed A > dig.out.ns8.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns8.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns8.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# The next two queries ensure that a zone signed with a DNSKEY that the
+# nameserver has a disabled algorithm for, but for a different domain, will
+# yield secure positive responses.  Since "enabled.trusted." and
+# "enabled.managed." do not match the "disable-algorithms" option, no
+# special rules apply and these zones should validate as secure, with the AD
+# bit set.
+echo_i "checking that a trusted key using an algorithm disabled for another domain validates as secure ($n)"
+ret=0
+dig_with_opts @10.53.0.3 a.enabled.trusted A > dig.out.ns3.test$n
+dig_with_opts @10.53.0.8 a.enabled.trusted A > dig.out.ns8.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns8.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns8.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that a managed key using an algorithm disabled for another domain validates as secure ($n)"
+ret=0
+dig_with_opts @10.53.0.3 a.enabled.managed A > dig.out.ns3.test$n
+dig_with_opts @10.53.0.8 a.enabled.managed A > dig.out.ns8.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns8.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns8.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# A configured revoked trust anchor is ignored and thus the two queries below
+# should result in insecure responses, since no trust points for the
+# "revoked.trusted." and "revoked.managed." zones are created.
+echo_i "checking that a trusted key that is revoked validates as insecure ($n)"
+ret=0
+dig_with_opts @10.53.0.3 a.revoked.trusted A > dig.out.ns3.test$n
+dig_with_opts @10.53.0.8 a.revoked.trusted A > dig.out.ns8.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns8.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns8.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that a managed key that is revoked validates as insecure ($n)"
+ret=0
+dig_with_opts @10.53.0.3 a.revoked.managed A > dig.out.ns3.test$n
+dig_with_opts @10.53.0.8 a.revoked.managed A > dig.out.ns8.test$n
+grep "status: NOERROR," dig.out.ns3.test$n > /dev/null || ret=1
+grep "status: NOERROR," dig.out.ns8.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns8.test$n > /dev/null && ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+###
+### Additional checks for when the KSK is offline.
+###
+
+# Save some useful information
+zone="updatecheck-kskonly.secure"
+KSK=$(cat ns2/${zone}.ksk.key)
+ZSK=$(cat ns2/${zone}.zsk.key)
+KSK_ID=$(cat ns2/${zone}.ksk.id)
+ZSK_ID=$(cat ns2/${zone}.zsk.id)
+SECTIONS="+answer +noauthority +noadditional"
+echo_i "testing zone $zone KSK=$KSK_ID ZSK=$ZSK_ID"
+
+# Print IDs of keys used for generating RRSIG records for RRsets of type $1
+# found in dig output file $2.
+get_keys_which_signed() {
+	qtype=$1
+	output=$2
+	# The key ID is the 11th column of the RRSIG record line.
+	awk -v qt="$qtype" '$4 == "RRSIG" && $5 == qt {print $11}' < "$output"
+}
+
+# Basic checks to make sure everything is fine before the KSK is made offline.
+for qtype in "DNSKEY" "CDNSKEY" "CDS"
+do
+  echo_i "checking $qtype RRset is signed with KSK only (update-check-ksk, dnssec-ksk-only) ($n)"
+  ret=0
+  dig_with_opts $SECTIONS @10.53.0.2 $qtype $zone > dig.out.test$n
+  lines=$(get_keys_which_signed $qtype dig.out.test$n | wc -l)
+  test "$lines" -eq 1 || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$KSK_ID$" > /dev/null || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID$" > /dev/null && ret=1
+  n=$((n+1))
+  test "$ret" -eq 0 || echo_i "failed"
+  status=$((status+ret))
+done
+
+echo_i "checking SOA RRset is signed with ZSK only (update-check-ksk and dnssec-ksk-only) ($n)"
+ret=0
+dig_with_opts $SECTIONS @10.53.0.2 soa $zone > dig.out.test$n
+lines=$(get_keys_which_signed "SOA" dig.out.test$n | wc -l)
+test "$lines" -eq 1 || ret=1
+get_keys_which_signed "SOA" dig.out.test$n | grep "^$KSK_ID$" > /dev/null && ret=1
+get_keys_which_signed "SOA" dig.out.test$n | grep "^$ZSK_ID$" > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Roll the ZSK.
+zsk2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -K ns2 -n zone "$zone")
+keyfile_to_key_id "$zsk2" > ns2/$zone.zsk.id2
+ZSK_ID2=$(cat ns2/$zone.zsk.id2)
+
+echo_i "load new ZSK $ZSK_ID2 for $zone ($n)"
+ret=0
+dnssec_loadkeys_on 2 $zone || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Make new ZSK active.
+echo_i "make ZSK $ZSK_ID inactive and make new ZSK $ZSK_ID2 active for zone $zone ($n)"
+ret=0
+$SETTIME -I now -K ns2 $ZSK > /dev/null
+$SETTIME -A now -K ns2 $zsk2 > /dev/null
+dnssec_loadkeys_on 2 $zone || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Remove the KSK from disk.
+echo_i "remove the KSK $KSK_ID for zone $zone from disk"
+mv ns2/$KSK.key ns2/$KSK.key.bak
+mv ns2/$KSK.private ns2/$KSK.private.bak
+
+# Update the zone that requires a resign of the SOA RRset.
+echo_i "update the zone with $zone IN TXT nsupdate added me"
+(
+echo zone $zone
+echo server 10.53.0.2 "$PORT"
+echo update add $zone. 300 in txt "nsupdate added me"
+echo send
+) | $NSUPDATE
+
+# Redo the tests now that the zone is updated and the KSK is offline.
+for qtype in "DNSKEY" "CDNSKEY" "CDS"
+do
+  echo_i "checking $qtype RRset is signed with KSK only, KSK offline (update-check-ksk, dnssec-ksk-only) ($n)"
+  ret=0
+  dig_with_opts $SECTIONS @10.53.0.2 $qtype $zone > dig.out.test$n
+  lines=$(get_keys_which_signed $qtype dig.out.test$n | wc -l)
+  test "$lines" -eq 1 || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$KSK_ID$" > /dev/null || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID2$" > /dev/null && ret=1
+  n=$((n+1))
+  test "$ret" -eq 0 || echo_i "failed"
+  status=$((status+ret))
+done
+
+for qtype in "SOA" "TXT"
+do
+  echo_i "checking $qtype RRset is signed with ZSK only, KSK offline (update-check-ksk and dnssec-ksk-only) ($n)"
+  ret=0
+  dig_with_opts $SECTIONS @10.53.0.2 $qtype $zone > dig.out.test$n
+  lines=$(get_keys_which_signed $qtype dig.out.test$n | wc -l)
+  test "$lines" -eq 1 || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$KSK_ID$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID2$" > /dev/null || ret=1
+  n=$((n+1))
+  test "$ret" -eq 0 || echo_i "failed"
+  status=$((status+ret))
+done
+
+# Put back the KSK.
+echo_i "put back the KSK $KSK_ID for zone $zone from disk"
+mv ns2/$KSK.key.bak ns2/$KSK.key
+mv ns2/$KSK.private.bak ns2/$KSK.private
+
+# Roll the ZSK again.
+zsk3=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -K ns2 -n zone "$zone")
+keyfile_to_key_id "$zsk3" > ns2/$zone.zsk.id3
+ZSK_ID3=$(cat ns2/$zone.zsk.id3)
+
+# Schedule the new ZSK (ZSK3) to become active.
+echo_i "delete old ZSK $ZSK_ID schedule ZSK $ZSK_ID2 inactive and new ZSK $ZSK_ID3 active for zone $zone ($n)"
+$SETTIME -D now -K ns2 $ZSK > /dev/null
+$SETTIME -I +3600 -K ns2 $zsk2 > /dev/null
+$SETTIME -A +3600 -K ns2 $zsk3 > /dev/null
+dnssec_loadkeys_on 2 $zone || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Remove the KSK from disk.
+echo_i "remove the KSK $KSK_ID for zone $zone from disk"
+mv ns2/$KSK.key ns2/$KSK.key.bak
+mv ns2/$KSK.private ns2/$KSK.private.bak
+
+# Update the zone that requires a resign of the SOA RRset.
+echo_i "update the zone with $zone IN TXT nsupdate added me again"
+(
+echo zone $zone
+echo server 10.53.0.2 "$PORT"
+echo update add $zone. 300 in txt "nsupdate added me again"
+echo send
+) | $NSUPDATE
+
+# Redo the tests now that the ZSK roll has deleted the old key.
+for qtype in "DNSKEY" "CDNSKEY" "CDS"
+do
+  echo_i "checking $qtype RRset is signed with KSK only, old ZSK deleted (update-check-ksk, dnssec-ksk-only) ($n)"
+  ret=0
+  dig_with_opts $SECTIONS @10.53.0.2 $qtype $zone > dig.out.test$n
+  lines=$(get_keys_which_signed $qtype dig.out.test$n | wc -l)
+  test "$lines" -eq 1 || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$KSK_ID$" > /dev/null || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID2$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID3$" > /dev/null && ret=1
+  n=$((n+1))
+  test "$ret" -eq 0 || echo_i "failed"
+  status=$((status+ret))
+done
+
+for qtype in "SOA" "TXT"
+do
+  echo_i "checking $qtype RRset is signed with ZSK only, old ZSK deleted (update-check-ksk and dnssec-ksk-only) ($n)"
+  ret=0
+  dig_with_opts $SECTIONS @10.53.0.2 $qtype $zone > dig.out.test$n
+  lines=$(get_keys_which_signed $qtype dig.out.test$n | wc -l)
+  test "$lines" -eq 1 || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$KSK_ID$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID2$" > /dev/null || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID3$" > /dev/null && ret=1
+  n=$((n+1))
+  test "$ret" -eq 0 || echo_i "failed"
+  status=$((status+ret))
+done
+
+# Make the new ZSK (ZSK3) active.
+echo_i "make new ZSK $ZSK_ID3 active for zone $zone ($n)"
+$SETTIME -I +1 -K ns2 $zsk2 > /dev/null
+$SETTIME -A +1 -K ns2 $zsk3 > /dev/null
+dnssec_loadkeys_on 2 $zone || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Wait for newest ZSK to become active.
+echo_i "wait until new ZSK $ZSK_ID3 active and ZSK $ZSK_ID2 inactive"
+for i in 1 2 3 4 5 6 7 8 9 10; do
+    ret=0
+    grep "DNSKEY $zone/$DEFAULT_ALGORITHM/$ZSK_ID3 (ZSK) is now active" ns2/named.run > /dev/null || ret=1
+    grep "DNSKEY $zone/$DEFAULT_ALGORITHM/$ZSK_ID2 (ZSK) is now inactive" ns2/named.run > /dev/null || ret=1
+    [ "$ret" -eq 0 ] && break
+    sleep 1
+done
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Update the zone that requires a resign of the SOA RRset.
+echo_i "update the zone with $zone IN TXT nsupdate added me one more time"
+(
+echo zone $zone
+echo server 10.53.0.2 "$PORT"
+echo update add $zone. 300 in txt "nsupdate added me one more time"
+echo send
+) | $NSUPDATE
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Redo the tests one more time.
+for qtype in "DNSKEY" "CDNSKEY" "CDS"
+do
+  echo_i "checking $qtype RRset is signed with KSK only, new ZSK active (update-check-ksk, dnssec-ksk-only) ($n)"
+  ret=0
+  dig_with_opts $SECTIONS @10.53.0.2 $qtype $zone > dig.out.test$n
+  lines=$(get_keys_which_signed $qtype dig.out.test$n | wc -l)
+  test "$lines" -eq 1 || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$KSK_ID$" > /dev/null || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID2$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID3$" > /dev/null && ret=1
+  n=$((n+1))
+  test "$ret" -eq 0 || echo_i "failed"
+  status=$((status+ret))
+done
+
+for qtype in "SOA" "TXT"
+do
+  echo_i "checking $qtype RRset is signed with ZSK only, new ZSK active (update-check-ksk and dnssec-ksk-only) ($n)"
+  ret=0
+  dig_with_opts $SECTIONS @10.53.0.2 $qtype $zone > dig.out.test$n
+  lines=$(get_keys_which_signed $qtype dig.out.test$n | wc -l)
+  test "$lines" -eq 1 || ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$KSK_ID$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID2$" > /dev/null && ret=1
+  get_keys_which_signed $qtype dig.out.test$n | grep "^$ZSK_ID3$" > /dev/null || ret=1
+  n=$((n+1))
+  test "$ret" -eq 0 || echo_i "failed"
+  status=$((status+ret))
+done
+
+echo_i "checking secroots output with multiple views ($n)"
+ret=0
+rndccmd 10.53.0.4 secroots 2>&1 | sed 's/^/ns4 /' | cat_i
+cp ns4/named.secroots named.secroots.test$n
+check_secroots_layout named.secroots.test$n || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking sig-validity-interval second field hours vs days ($n)"
+ret=0
+# zone configured with 'sig-validity-interval 500 499;'
+# 499 days in the future w/ a 20 minute runtime to now allowance
+min=$(TZ=UTC $PERL -e '@lt=localtime(time() + 499*3600*24 - 20*60); printf "%.4d%0.2d%0.2d%0.2d%0.2d%0.2d\n",$lt[5]+1900,$lt[4]+1,$lt[3],$lt[2],$lt[1],$lt[0];')
+dig_with_opts @10.53.0.2 hours-vs-days AXFR > dig.out.ns2.test$n
+awk -v min=$min '$4 == "RRSIG" { if ($9 < min) { exit(1); } }' dig.out.ns2.test$n || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking validation succeeds during transition to signed ($n)"
+ret=0
+dig_with_opts @10.53.0.4 inprogress A > dig.out.ns4.test$n || ret=1
+grep "flags: qr rd ra;" dig.out.ns4.test$n >/dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n >/dev/null || ret=1
+grep 'A.10\.53\.0\.10' dig.out.ns4.test$n >/dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking excessive NSEC3 iteration warnings in named.run ($n)"
+ret=0
+grep "zone too-many-iterations/IN: excessive NSEC3PARAM iterations [0-9]* > 150" ns2/named.run >/dev/null 2>&1 || ret=1
+grep "zone too-many-iterations/IN: excessive NSEC3PARAM iterations [0-9]* > 150" ns3/named.run >/dev/null 2>&1 || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Check that the validating resolver will fallback to insecure if the answer
+# contains NSEC3 records with high iteration count.
+echo_i "checking fallback to insecure when NSEC3 iterations is too high (nxdomain) ($n)"
+ret=0
+dig_with_opts @10.53.0.2 does-not-exist.too-many-iterations > dig.out.ns2.test$n || ret=1
+dig_with_opts @10.53.0.4 does-not-exist.too-many-iterations > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags: qr rd ra;" dig.out.ns4.test$n >/dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n >/dev/null || ret=1
+grep "ANSWER: 0, AUTHORITY: 6" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking fallback to insecure when NSEC3 iterations is too high (nodata) ($n)"
+ret=0
+dig_with_opts @10.53.0.2 a.too-many-iterations txt > dig.out.ns2.test$n || ret=1
+dig_with_opts @10.53.0.4 a.too-many-iterations txt > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags: qr rd ra;" dig.out.ns4.test$n >/dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n >/dev/null || ret=1
+grep "ANSWER: 0, AUTHORITY: 4" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking fallback to insecure when NSEC3 iterations is too high (wildcard) ($n)"
+ret=0
+dig_with_opts @10.53.0.2 wild.a.too-many-iterations > dig.out.ns2.test$n || ret=1
+dig_with_opts @10.53.0.4 wild.a.too-many-iterations > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags: qr rd ra;" dig.out.ns4.test$n >/dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n >/dev/null || ret=1
+grep 'wild\.a\.too-many-iterations\..*A.10\.0\.0\.3' dig.out.ns4.test$n >/dev/null || ret=1
+grep "ANSWER: 2, AUTHORITY: 4" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking fallback to insecure when NSEC3 iterations is too high (wildcard nodata) ($n)"
+ret=0
+dig_with_opts @10.53.0.2 type100 wild.a.too-many-iterations > dig.out.ns2.test$n || ret=1
+dig_with_opts @10.53.0.4 type100 wild.a.too-many-iterations > dig.out.ns4.test$n || ret=1
+digcomp dig.out.ns2.test$n dig.out.ns4.test$n || ret=1
+grep "flags: qr rd ra;" dig.out.ns4.test$n >/dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n >/dev/null || ret=1
+grep "ANSWER: 0, AUTHORITY: 8" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n+1))
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Check that a query against a validating resolver succeeds when there is
+# a negative cache entry with trust level "pending" for the DS.  Prime
+# with a +cd DS query to produce the negative cache entry, then send a
+# query that uses that entry as part of the validation process. [GL #3279]
+echo_i "check that pending negative DS cache entry validates ($n)"
+ret=0
+dig_with_opts @10.53.0.4 +cd insecure2.example. ds > dig.out.prime.ns4.test$n || ret=1
+grep "flags: qr rd ra cd;" dig.out.prime.ns4.test$n >/dev/null || ret=1
+grep "status: NOERROR" dig.out.prime.ns4.test$n >/dev/null || ret=1
+grep "ANSWER: 0, AUTHORITY: 4, " dig.out.prime.ns4.test$n > /dev/null || ret=1
+dig_with_opts @10.53.0.4 a.insecure2.example. a > dig.out.ns4.test$n || ret=1
+grep "ANSWER: 1, AUTHORITY: 1, " dig.out.ns4.test$n > /dev/null || ret=1
+grep "flags: qr rd ra;" dig.out.ns4.test$n >/dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n >/dev/null || ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/dnssec/tests_sh_dnssec.py b/bin/tests/system/dnssec/tests_sh_dnssec.py
new file mode 100644
index 0000000..65c3d43
--- /dev/null
+++ b/bin/tests/system/dnssec/tests_sh_dnssec.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_dnssec(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/dnstap/README b/bin/tests/system/dnstap/README
new file mode 100644
index 0000000..856fe48
--- /dev/null
+++ b/bin/tests/system/dnstap/README
@@ -0,0 +1,27 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+The "large-answer.fstrm" file was generated by configuring a named instance
+compiled with --enable-dnstap and --enable-fixed-rrset with the following
+directives:
+
+    minimal-responses yes;
+    rrset-order { order fixed; };
+    dnstap { auth response; };
+    dnstap-identity none;
+    dnstap-output file "large-answer.fstrm";
+
+The captured RRset from the "example." zone was created using:
+
+    $GENERATE 1-48 @ IN A 127.0.0.$
+
+A server instance set up this way was then queried non-recursively (RD=0) for
+"example/A".
diff --git a/bin/tests/system/dnstap/bad-fstrm-reopen-interval.conf b/bin/tests/system/dnstap/bad-fstrm-reopen-interval.conf
new file mode 100644
index 0000000..fd673d6
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-reopen-interval.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-reopen-interval 1x;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-buffer-hint-max.conf b/bin/tests/system/dnstap/bad-fstrm-set-buffer-hint-max.conf
new file mode 100644
index 0000000..cdab66b
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-buffer-hint-max.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-buffer-hint 65537;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-buffer-hint-min.conf b/bin/tests/system/dnstap/bad-fstrm-set-buffer-hint-min.conf
new file mode 100644
index 0000000..c5444e9
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-buffer-hint-min.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-buffer-hint 1023;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-flush-timeout-max.conf b/bin/tests/system/dnstap/bad-fstrm-set-flush-timeout-max.conf
new file mode 100644
index 0000000..05ab1d9
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-flush-timeout-max.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-flush-timeout 0;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-flush-timeout-min.conf b/bin/tests/system/dnstap/bad-fstrm-set-flush-timeout-min.conf
new file mode 100644
index 0000000..398b1ab
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-flush-timeout-min.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-flush-timeout 601;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-input-queue-size-max.conf b/bin/tests/system/dnstap/bad-fstrm-set-input-queue-size-max.conf
new file mode 100644
index 0000000..d6c4120
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-input-queue-size-max.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-input-queue-size 1;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-input-queue-size-min.conf b/bin/tests/system/dnstap/bad-fstrm-set-input-queue-size-min.conf
new file mode 100644
index 0000000..787f656
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-input-queue-size-min.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-input-queue-size 16385;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-input-queue-size-po2.conf b/bin/tests/system/dnstap/bad-fstrm-set-input-queue-size-po2.conf
new file mode 100644
index 0000000..ae713d3
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-input-queue-size-po2.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-input-queue-size 513;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-output-notify-threshold.conf b/bin/tests/system/dnstap/bad-fstrm-set-output-notify-threshold.conf
new file mode 100644
index 0000000..643e2b8
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-output-notify-threshold.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-output-notify-threshold 0;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-output-queue-size-max.conf b/bin/tests/system/dnstap/bad-fstrm-set-output-queue-size-max.conf
new file mode 100644
index 0000000..853713f
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-output-queue-size-max.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	/*
+	 * This value is system dependent and matches IOV_MAX.
+	 */
+	fstrm-set-output-queue-size 10000000;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-output-queue-size-min.conf b/bin/tests/system/dnstap/bad-fstrm-set-output-queue-size-min.conf
new file mode 100644
index 0000000..7940c89
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-output-queue-size-min.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-output-queue-size 1;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-reopen-interval-max.conf b/bin/tests/system/dnstap/bad-fstrm-set-reopen-interval-max.conf
new file mode 100644
index 0000000..9cfa9e3
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-reopen-interval-max.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-reopen-interval 601;
+};
diff --git a/bin/tests/system/dnstap/bad-fstrm-set-reopen-interval-min.conf b/bin/tests/system/dnstap/bad-fstrm-set-reopen-interval-min.conf
new file mode 100644
index 0000000..be6a640
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-fstrm-set-reopen-interval-min.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-reopen-interval 0;
+};
diff --git a/bin/tests/system/dnstap/bad-missing-dnstap-output-view.conf b/bin/tests/system/dnstap/bad-missing-dnstap-output-view.conf
new file mode 100644
index 0000000..853da36
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-missing-dnstap-output-view.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view "view" {
+	dnstap { client; auth; };
+};
diff --git a/bin/tests/system/dnstap/bad-missing-dnstap-output.conf b/bin/tests/system/dnstap/bad-missing-dnstap-output.conf
new file mode 100644
index 0000000..b5565e2
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-missing-dnstap-output.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnstap { client; auth; };
+	recursion yes;
+};
diff --git a/bin/tests/system/dnstap/bad-size-version.conf b/bin/tests/system/dnstap/bad-size-version.conf
new file mode 100644
index 0000000..8e31528
--- /dev/null
+++ b/bin/tests/system/dnstap/bad-size-version.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnstap-output unix "/tmp/dnstap.sock" size 10k versions 3;
+};
diff --git a/bin/tests/system/dnstap/clean.sh b/bin/tests/system/dnstap/clean.sh
new file mode 100644
index 0000000..b9e476f
--- /dev/null
+++ b/bin/tests/system/dnstap/clean.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */named.conf
+rm -f */named.memstats
+rm -f */named.run
+rm -f */named.run.prev
+rm -f */named.stats
+rm -f dig.out*
+rm -f dnstap.*
+rm -f fstrm_capture.out.*
+rm -f ns*/dnstap.out
+rm -f ns*/dnstap.out.save
+rm -f ns*/dnstap.out.save.?
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.lock
+rm -f ns2/dnstap.out.*
+rm -f ns2/example.db ns2/example.db.jnl
+rm -f ns3/dnstap.out.*
+rm -f ydump.out
diff --git a/bin/tests/system/dnstap/good-dnstap-in-options.conf b/bin/tests/system/dnstap/good-dnstap-in-options.conf
new file mode 100644
index 0000000..17feb5e
--- /dev/null
+++ b/bin/tests/system/dnstap/good-dnstap-in-options.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnstap-output		unix "/var/run/named/dnstap.sock";
+	dnstap-identity		hostname;
+	dnstap			{ client response; };
+};
diff --git a/bin/tests/system/dnstap/good-dnstap-in-view.conf b/bin/tests/system/dnstap/good-dnstap-in-view.conf
new file mode 100644
index 0000000..2c17f6c
--- /dev/null
+++ b/bin/tests/system/dnstap/good-dnstap-in-view.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnstap-output		unix "/var/run/named/dnstap.sock";
+	dnstap-identity		hostname;
+};
+
+view "view" {
+	dnstap			{ client response; };
+};
diff --git a/bin/tests/system/dnstap/good-fstrm-reopen-interval.conf b/bin/tests/system/dnstap/good-fstrm-reopen-interval.conf
new file mode 100644
index 0000000..d525262
--- /dev/null
+++ b/bin/tests/system/dnstap/good-fstrm-reopen-interval.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-reopen-interval 5m;
+};
diff --git a/bin/tests/system/dnstap/good-fstrm-set-buffer-hint.conf b/bin/tests/system/dnstap/good-fstrm-set-buffer-hint.conf
new file mode 100644
index 0000000..c550647
--- /dev/null
+++ b/bin/tests/system/dnstap/good-fstrm-set-buffer-hint.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-buffer-hint 8192;
+};
diff --git a/bin/tests/system/dnstap/good-fstrm-set-flush-timeout.conf b/bin/tests/system/dnstap/good-fstrm-set-flush-timeout.conf
new file mode 100644
index 0000000..dd9abf0
--- /dev/null
+++ b/bin/tests/system/dnstap/good-fstrm-set-flush-timeout.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-flush-timeout 1;
+};
diff --git a/bin/tests/system/dnstap/good-fstrm-set-input-queue-size.conf b/bin/tests/system/dnstap/good-fstrm-set-input-queue-size.conf
new file mode 100644
index 0000000..d01b8f8
--- /dev/null
+++ b/bin/tests/system/dnstap/good-fstrm-set-input-queue-size.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-input-queue-size 512;
+};
diff --git a/bin/tests/system/dnstap/good-fstrm-set-output-notify-threshold.conf b/bin/tests/system/dnstap/good-fstrm-set-output-notify-threshold.conf
new file mode 100644
index 0000000..2619dc0
--- /dev/null
+++ b/bin/tests/system/dnstap/good-fstrm-set-output-notify-threshold.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-output-notify-threshold 32;
+};
diff --git a/bin/tests/system/dnstap/good-fstrm-set-output-queue-model-mpsc.conf b/bin/tests/system/dnstap/good-fstrm-set-output-queue-model-mpsc.conf
new file mode 100644
index 0000000..a81ff7c
--- /dev/null
+++ b/bin/tests/system/dnstap/good-fstrm-set-output-queue-model-mpsc.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-output-queue-model mpsc;
+};
diff --git a/bin/tests/system/dnstap/good-fstrm-set-output-queue-model-spsc.conf b/bin/tests/system/dnstap/good-fstrm-set-output-queue-model-spsc.conf
new file mode 100644
index 0000000..7b394eb
--- /dev/null
+++ b/bin/tests/system/dnstap/good-fstrm-set-output-queue-model-spsc.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-output-queue-model spsc;
+};
diff --git a/bin/tests/system/dnstap/good-fstrm-set-output-queue-size.conf b/bin/tests/system/dnstap/good-fstrm-set-output-queue-size.conf
new file mode 100644
index 0000000..87bf028
--- /dev/null
+++ b/bin/tests/system/dnstap/good-fstrm-set-output-queue-size.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-output-queue-size 64;
+};
diff --git a/bin/tests/system/dnstap/good-fstrm-set-reopen-interval.conf b/bin/tests/system/dnstap/good-fstrm-set-reopen-interval.conf
new file mode 100644
index 0000000..116d3ae
--- /dev/null
+++ b/bin/tests/system/dnstap/good-fstrm-set-reopen-interval.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	fstrm-set-reopen-interval 5;
+};
diff --git a/bin/tests/system/dnstap/good-size-unlimited.conf b/bin/tests/system/dnstap/good-size-unlimited.conf
new file mode 100644
index 0000000..8cb9712
--- /dev/null
+++ b/bin/tests/system/dnstap/good-size-unlimited.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnstap-output file "/tmp/dnstap.log"
+		size unlimited versions unlimited suffix increment;
+};
diff --git a/bin/tests/system/dnstap/good-size-version.conf b/bin/tests/system/dnstap/good-size-version.conf
new file mode 100644
index 0000000..ca1fba3
--- /dev/null
+++ b/bin/tests/system/dnstap/good-size-version.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	dnstap-output file "/tmp/dnstap.log"
+		size 10k versions 3 suffix timestamp;
+};
diff --git a/bin/tests/system/dnstap/large-answer.fstrm b/bin/tests/system/dnstap/large-answer.fstrm
new file mode 100644
index 0000000..873b315
--- /dev/null
+++ b/bin/tests/system/dnstap/large-answer.fstrm
diff --git a/bin/tests/system/dnstap/ns1/named.conf.in b/bin/tests/system/dnstap/ns1/named.conf.in
new file mode 100644
index 0000000..7f3fb29
--- /dev/null
+++ b/bin/tests/system/dnstap/ns1/named.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	statistics-file "named.stats";
+	dnstap-identity "ns1";
+	dnstap-version "xxx";
+	dnstap-output file "dnstap.out" size 30k versions 10;
+	dnstap { all; };
+	send-cookie no;
+	require-server-cookie no;
+	dnssec-validation yes;
+	qname-minimization disabled;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/dnstap/ns1/root.db b/bin/tests/system/dnstap/ns1/root.db
new file mode 100644
index 0000000..17780d1
--- /dev/null
+++ b/bin/tests/system/dnstap/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/dnstap/ns2/example.db.in b/bin/tests/system/dnstap/ns2/example.db.in
new file mode 100644
index 0000000..7f88dec
--- /dev/null
+++ b/bin/tests/system/dnstap/ns2/example.db.in
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+
+$ORIGIN example.
+a			A	10.0.0.1
+a			A	10.0.0.3
+a			A	10.0.0.5
+			MX	10 mail.example.
+
+mail			A	10.0.0.2
diff --git a/bin/tests/system/dnstap/ns2/named.conf.in b/bin/tests/system/dnstap/ns2/named.conf.in
new file mode 100644
index 0000000..badc225
--- /dev/null
+++ b/bin/tests/system/dnstap/ns2/named.conf.in
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	statistics-file "named.stats";
+	dnstap-identity "ns2";
+	dnstap-version "xxx";
+	dnstap-output file "dnstap.out" size unlimited versions unlimited;
+	dnstap { all; };
+	send-cookie no;
+	require-server-cookie no;
+	dnssec-validation yes;
+	qname-minimization disabled;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-update { any; };
+};
diff --git a/bin/tests/system/dnstap/ns3/named.args b/bin/tests/system/dnstap/ns3/named.args
new file mode 100644
index 0000000..7937dee
--- /dev/null
+++ b/bin/tests/system/dnstap/ns3/named.args
@@ -0,0 +1,2 @@
+# Using "-n 1" allows GL #1795 to be reliably reproduced
+-D dnstap-ns3 -X named.lock -m record -c named.conf -d 99 -g -U 4 -n 1 -T maxcachesize=2097152
diff --git a/bin/tests/system/dnstap/ns3/named.conf.in b/bin/tests/system/dnstap/ns3/named.conf.in
new file mode 100644
index 0000000..a5ee2ed
--- /dev/null
+++ b/bin/tests/system/dnstap/ns3/named.conf.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnstap-identity "ns3";
+	dnstap-version "xxx";
+	dnstap-output file "dnstap.out";
+	dnstap { all; };
+	send-cookie no;
+	require-server-cookie no;
+	minimal-responses no;
+	dnssec-validation yes;
+	qname-minimization disabled;
+};
+
+server 10.53.0.1 { tcp-only yes; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/dnstap/ns4/named.conf.in b/bin/tests/system/dnstap/ns4/named.conf.in
new file mode 100644
index 0000000..e2a9207
--- /dev/null
+++ b/bin/tests/system/dnstap/ns4/named.conf.in
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnstap-identity "ns4";
+	dnstap-version "xxx";
+	dnstap-output unix "dnstap.out";
+	dnstap { all; };
+	send-cookie no;
+	require-server-cookie no;
+	dnssec-validation yes;
+	qname-minimization disabled;
+};
+
+server 10.53.0.1 { tcp-only yes; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/dnstap/prereq.sh b/bin/tests/system/dnstap/prereq.sh
new file mode 100644
index 0000000..f0748f3
--- /dev/null
+++ b/bin/tests/system/dnstap/prereq.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$FEATURETEST --enable-dnstap || {
+	echo_i "This test requires dnstap support." >&2
+	exit 255
+}
+exit 0
diff --git a/bin/tests/system/dnstap/setup.sh b/bin/tests/system/dnstap/setup.sh
new file mode 100644
index 0000000..90a257e
--- /dev/null
+++ b/bin/tests/system/dnstap/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+
+cp ns2/example.db.in ns2/example.db
diff --git a/bin/tests/system/dnstap/tests.sh b/bin/tests/system/dnstap/tests.sh
new file mode 100644
index 0000000..c5d4f0a
--- /dev/null
+++ b/bin/tests/system/dnstap/tests.sh
@@ -0,0 +1,857 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+short -p ${PORT}"
+RNDCCMD="$RNDC -p ${CONTROLPORT} -c ../common/rndc.conf"
+
+status=0
+
+# dnstap_data_ready <fstrm_capture_PID> <capture_file> <min_file_size>
+# Flushes capture_file and checks wheter its size is >= min_file_size.
+dnstap_data_ready() {
+	# Process id of running fstrm_capture.
+	fstrm_capture_pid=$1
+	# Output file provided to fstrm_capture via -w switch.
+	capture_file=$2
+	# Minimum expected file size.
+	min_size_expected=$3
+
+	kill -HUP $fstrm_capture_pid
+	file_size=$(wc -c < "$capture_file" | tr -d ' ')
+	if [ $file_size -lt $min_size_expected ]; then
+		return 1
+	fi
+}
+
+
+for bad in bad-*.conf
+do
+	ret=0
+	echo_i "checking that named-checkconf detects error in $bad"
+	{ $CHECKCONF $bad > /dev/null 2>&1; rc=$?; } || true
+	if [ $rc != 1 ]; then echo_i "failed"; ret=1; fi
+	status=$((status + ret))
+done
+
+for good in good-*.conf
+do
+	ret=0
+	echo_i "checking that named-checkconf detects no error in $good"
+	{ $CHECKCONF $good > /dev/null 2>&1; rc=$?; } || true
+	if [ $rc != 0 ]; then echo_i "failed"; ret=1; fi
+	status=$((status + ret))
+done
+
+echo_i "wait for servers to finish loading"
+ret=0
+wait_for_log 20 "all zones loaded" ns1/named.run || ret=1
+wait_for_log 20 "all zones loaded" ns2/named.run || ret=1
+wait_for_log 20 "all zones loaded" ns3/named.run || ret=1
+wait_for_log 20 "all zones loaded" ns4/named.run || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# both the 'a.example/A' lookup and the './NS' lookup to ns1
+# need to complete before reopening/rolling for the counts to
+# be correct.
+
+echo_i "prime cache"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 a.example > dig.out || true
+wait_for_log 20 "(.): reset client" ns1/named.run || true
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# check three different dnstap reopen/roll methods:
+# ns1: dnstap-reopen; ns2: dnstap -reopen; ns3: dnstap -roll
+mv ns1/dnstap.out ns1/dnstap.out.save
+mv ns2/dnstap.out ns2/dnstap.out.save
+
+if [ -n "$FSTRM_CAPTURE" ] ; then
+	ret=0
+	echo_i "starting fstrm_capture"
+	$FSTRM_CAPTURE -t protobuf:dnstap.Dnstap -u ns4/dnstap.out \
+		-w dnstap.out > fstrm_capture.out.1 2>&1 &
+	fstrm_capture_pid=$!
+	wait_for_log 10 "socket path ns4/dnstap.out" fstrm_capture.out.1 || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+fi
+
+echo_i "reopen/roll capture streams"
+ret=0
+$RNDCCMD -s 10.53.0.1 dnstap-reopen | sed 's/^/ns1 /' | cat_i
+$RNDCCMD -s 10.53.0.2 dnstap -reopen | sed 's/^/ns2 /' | cat_i
+$RNDCCMD -s 10.53.0.3 dnstap -roll | sed 's/^/ns3 /' | cat_i
+$RNDCCMD -s 10.53.0.4 dnstap -reopen | sed 's/^/ns4 /' | cat_i
+
+echo_i "send test traffic"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 a.example > dig.out || ret=1
+
+# send an UPDATE to ns2
+$NSUPDATE <<- EOF
+server 10.53.0.2 ${PORT}
+zone example
+update add b.example 3600 in a 10.10.10.10
+send
+EOF
+
+# XXX: file output should be flushed once a second according
+# to the libfstrm source, but it doesn't seem to happen until
+# enough data has accumulated. to get all the output, we stop
+# the name servers, forcing a flush on shutdown. it would be
+# nice to find a better way to do this.
+$RNDCCMD -s 10.53.0.1 stop | sed 's/^/ns1 /' | cat_i
+$RNDCCMD -s 10.53.0.2 stop | sed 's/^/ns2 /' | cat_i
+$RNDCCMD -s 10.53.0.3 stop | sed 's/^/ns3 /' | cat_i
+
+sleep 1
+
+echo_i "checking initial message counts"
+
+udp1=$($DNSTAPREAD ns1/dnstap.out.save | grep "UDP " | wc -l)
+tcp1=$($DNSTAPREAD ns1/dnstap.out.save | grep "TCP " | wc -l)
+aq1=$($DNSTAPREAD ns1/dnstap.out.save | grep "AQ " | wc -l)
+ar1=$($DNSTAPREAD ns1/dnstap.out.save | grep "AR " | wc -l)
+cq1=$($DNSTAPREAD ns1/dnstap.out.save | grep "CQ " | wc -l)
+cr1=$($DNSTAPREAD ns1/dnstap.out.save | grep "CR " | wc -l)
+rq1=$($DNSTAPREAD ns1/dnstap.out.save | grep "RQ " | wc -l)
+rr1=$($DNSTAPREAD ns1/dnstap.out.save | grep "RR " | wc -l)
+uq1=$($DNSTAPREAD ns1/dnstap.out.save | grep "UQ " | wc -l)
+ur1=$($DNSTAPREAD ns1/dnstap.out.save | grep "UR " | wc -l)
+
+udp2=$($DNSTAPREAD ns2/dnstap.out.save | grep "UDP " | wc -l)
+tcp2=$($DNSTAPREAD ns2/dnstap.out.save | grep "TCP " | wc -l)
+aq2=$($DNSTAPREAD ns2/dnstap.out.save | grep "AQ " | wc -l)
+ar2=$($DNSTAPREAD ns2/dnstap.out.save | grep "AR " | wc -l)
+cq2=$($DNSTAPREAD ns2/dnstap.out.save | grep "CQ " | wc -l)
+cr2=$($DNSTAPREAD ns2/dnstap.out.save | grep "CR " | wc -l)
+rq2=$($DNSTAPREAD ns2/dnstap.out.save | grep "RQ " | wc -l)
+rr2=$($DNSTAPREAD ns2/dnstap.out.save | grep "RR " | wc -l)
+uq2=$($DNSTAPREAD ns2/dnstap.out.save | grep "UQ " | wc -l)
+ur2=$($DNSTAPREAD ns2/dnstap.out.save | grep "UR " | wc -l)
+
+mv ns3/dnstap.out.0 ns3/dnstap.out.save
+udp3=$($DNSTAPREAD ns3/dnstap.out.save | grep "UDP " | wc -l)
+tcp3=$($DNSTAPREAD ns3/dnstap.out.save | grep "TCP " | wc -l)
+aq3=$($DNSTAPREAD ns3/dnstap.out.save | grep "AQ " | wc -l)
+ar3=$($DNSTAPREAD ns3/dnstap.out.save | grep "AR " | wc -l)
+cq3=$($DNSTAPREAD ns3/dnstap.out.save | grep "CQ " | wc -l)
+cr3=$($DNSTAPREAD ns3/dnstap.out.save | grep "CR " | wc -l)
+rq3=$($DNSTAPREAD ns3/dnstap.out.save | grep "RQ " | wc -l)
+rr3=$($DNSTAPREAD ns3/dnstap.out.save | grep "RR " | wc -l)
+uq3=$($DNSTAPREAD ns3/dnstap.out.save | grep "UQ " | wc -l)
+ur3=$($DNSTAPREAD ns3/dnstap.out.save | grep "UR " | wc -l)
+
+echo_i "checking UDP message counts"
+ret=0
+[ $udp1 -eq 0 ] || {
+	echo_i "ns1 $udp1 expected 0"
+	ret=1
+}
+[ $udp2 -eq 2 ] || {
+	echo_i "ns2 $udp2 expected 2"
+	ret=1
+}
+[ $udp3 -eq 4 ] || {
+	echo_i "ns3 $udp3 expected 4"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TCP message counts"
+ret=0
+[ $tcp1 -eq 6 ] || {
+	echo_i "ns1 $tcp1 expected 6"
+	ret=1
+}
+[ $tcp2 -eq 2 ] || {
+	echo_i "ns2 $tcp2 expected 2"
+	ret=1
+}
+[ $tcp3 -eq 6 ] || {
+	echo_i "ns3 $tcp3 expected 6"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AUTH_QUERY message counts"
+ret=0
+[ $aq1 -eq 3 ] || {
+	echo_i "ns1 $aq1 exepcted 3"
+	ret=1
+}
+[ $aq2 -eq 2 ] || {
+	echo_i "ns2 $aq2 expected 2"
+	ret=1
+}
+[ $aq3 -eq 1 ] || {
+	echo_i "ns3 $aq3 expected 1"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AUTH_RESPONSE message counts"
+ret=0
+[ $ar1 -eq 2 ] || {
+	echo_i "ns1 $ar1 expected 2"
+	ret=1
+}
+[ $ar2 -eq 1 ] || {
+	echo_i "ns2 $ar2 expected 1"
+	ret=1
+}
+[ $ar3 -eq 0 ] || {
+	echo_i "ns3 $ar3 expected 0"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking CLIENT_QUERY message counts"
+ret=0
+[ $cq1 -eq 0 ] || {
+	echo_i "ns1 $cq1 expected 0"
+	ret=1
+}
+[ $cq2 -eq 0 ] || {
+	echo_i "ns2 $cq2 expected 0"
+	ret=1
+}
+[ $cq3 -eq 1 ] || {
+	echo_i "ns3 $cq3 expected 1"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking CLIENT_RESPONSE message counts"
+ret=0
+[ $cr1 -eq 1 ] || {
+	echo_i "ns1 $cr1 expected 1"
+	ret=1
+}
+[ $cr2 -eq 1 ] || {
+	echo_i "ns2 $cr2 expected 1"
+	ret=1
+}
+[ $cr3 -eq 2 ] || {
+	echo_i "ns3 $cr3 expected 2"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking RESOLVER_QUERY message counts"
+ret=0
+[ $rq1 -eq 0 ] || {
+	echo_i "ns1 $rq1 expected 0"
+	ret=1
+}
+[ $rq2 -eq 0 ] || {
+	echo_i "ns2 $rq2 expected 0"
+	ret=1
+}
+[ $rq3 -eq 3 ] || {
+	echo_i "ns3 $rq3 expected 3"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking RESOLVER_RESPONSE message counts"
+ret=0
+[ $rr1 -eq 0 ] || {
+	echo_i "ns1 $rr1 expected 0"
+	ret=1
+}
+[ $rr2 -eq 0 ] || {
+	echo_i "ns2 $rr2 expected 0"
+	ret=1
+}
+[ $rr3 -eq 3 ] || {
+	echo_i "ns3 $rr3 expected 3"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking UPDATE_QUERY message counts"
+ret=0
+[ $uq1 -eq 0 ] || {
+	echo_i "ns1 $uq1 expected 0"
+	ret=1
+}
+[ $uq2 -eq 0 ] || {
+	echo_i "ns2 $uq2 expected 0"
+	ret=1
+}
+[ $uq3 -eq 0 ] || {
+	echo_i "ns3 $uq3 expected 0"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking UPDATE_RESPONSE message counts"
+ret=0
+[ $ur1 -eq 0 ] || {
+	echo_i "ns1 $ur1 expected 0"
+	ret=1
+}
+[ $ur2 -eq 0 ] || {
+	echo_i "ns2 $ur2 expected 0"
+	ret=1
+}
+[ $ur3 -eq 0 ] || {
+	echo_i "ns3 $ur3 expected 0"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking reopened message counts"
+
+udp1=$($DNSTAPREAD ns1/dnstap.out | grep "UDP " | wc -l)
+tcp1=$($DNSTAPREAD ns1/dnstap.out | grep "TCP " | wc -l)
+aq1=$($DNSTAPREAD ns1/dnstap.out | grep "AQ " | wc -l)
+ar1=$($DNSTAPREAD ns1/dnstap.out | grep "AR " | wc -l)
+cq1=$($DNSTAPREAD ns1/dnstap.out | grep "CQ " | wc -l)
+cr1=$($DNSTAPREAD ns1/dnstap.out | grep "CR " | wc -l)
+rq1=$($DNSTAPREAD ns1/dnstap.out | grep "RQ " | wc -l)
+rr1=$($DNSTAPREAD ns1/dnstap.out | grep "RR " | wc -l)
+uq1=$($DNSTAPREAD ns1/dnstap.out | grep "UQ " | wc -l)
+ur1=$($DNSTAPREAD ns1/dnstap.out | grep "UR " | wc -l)
+
+udp2=$($DNSTAPREAD ns2/dnstap.out | grep "UDP " | wc -l)
+tcp2=$($DNSTAPREAD ns2/dnstap.out | grep "TCP " | wc -l)
+aq2=$($DNSTAPREAD ns2/dnstap.out | grep "AQ " | wc -l)
+ar2=$($DNSTAPREAD ns2/dnstap.out | grep "AR " | wc -l)
+cq2=$($DNSTAPREAD ns2/dnstap.out | grep "CQ " | wc -l)
+cr2=$($DNSTAPREAD ns2/dnstap.out | grep "CR " | wc -l)
+rq2=$($DNSTAPREAD ns2/dnstap.out | grep "RQ " | wc -l)
+rr2=$($DNSTAPREAD ns2/dnstap.out | grep "RR " | wc -l)
+uq2=$($DNSTAPREAD ns2/dnstap.out | grep "UQ " | wc -l)
+ur2=$($DNSTAPREAD ns2/dnstap.out | grep "UR " | wc -l)
+
+udp3=$($DNSTAPREAD ns3/dnstap.out | grep "UDP " | wc -l)
+tcp3=$($DNSTAPREAD ns3/dnstap.out | grep "TCP " | wc -l)
+aq3=$($DNSTAPREAD ns3/dnstap.out | grep "AQ " | wc -l)
+ar3=$($DNSTAPREAD ns3/dnstap.out | grep "AR " | wc -l)
+cq3=$($DNSTAPREAD ns3/dnstap.out | grep "CQ " | wc -l)
+cr3=$($DNSTAPREAD ns3/dnstap.out | grep "CR " | wc -l)
+rq3=$($DNSTAPREAD ns3/dnstap.out | grep "RQ " | wc -l)
+rr3=$($DNSTAPREAD ns3/dnstap.out | grep "RR " | wc -l)
+uq3=$($DNSTAPREAD ns3/dnstap.out | grep "UQ " | wc -l)
+ur3=$($DNSTAPREAD ns3/dnstap.out | grep "UR " | wc -l)
+
+echo_i "checking UDP message counts"
+ret=0
+[ $udp1 -eq 0 ] || {
+	echo_i "ns1 $udp1 expected 0"
+	ret=1
+}
+[ $udp2 -eq 2 ] || {
+	echo_i "ns2 $udp2 expected 2"
+	ret=1
+}
+[ $udp3 -eq 2 ] || {
+	echo_i "ns3 $udp3 expected 2"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking TCP message counts"
+ret=0
+[ $tcp1 -eq 0 ] || {
+	echo_i "ns1 $tcp1 expected 0"
+	ret=1
+}
+[ $tcp2 -eq 0 ] || {
+	echo_i "ns2 $tcp2 expected 0"
+	ret=1
+}
+[ $tcp3 -eq 0 ] || {
+	echo_i "ns3 $tcp3 expected 0"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AUTH_QUERY message counts"
+ret=0
+[ $aq1 -eq 0 ] || {
+	echo_i "ns1 $aq1 exepcted 0"
+	ret=1
+}
+[ $aq2 -eq 0 ] || {
+	echo_i "ns2 $aq2 expected 0"
+	ret=1
+}
+[ $aq3 -eq 0 ] || {
+	echo_i "ns3 $aq3 expected 0"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AUTH_RESPONSE message counts"
+ret=0
+[ $ar1 -eq 0 ] || {
+	echo_i "ns1 $ar1 expected 0"
+	ret=1
+}
+[ $ar2 -eq 0 ] || {
+	echo_i "ns2 $ar2 expected 0"
+	ret=1
+}
+[ $ar3 -eq 0 ] || {
+	echo_i "ns3 $ar3 expected 0"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking CLIENT_QUERY message counts"
+ret=0
+[ $cq1 -eq 0 ] || {
+	echo_i "ns1 $cq1 expected 0"
+	ret=1
+}
+[ $cq2 -eq 0 ] || {
+	echo_i "ns2 $cq2 expected 0"
+	ret=1
+}
+[ $cq3 -eq 1 ] || {
+	echo_i "ns3 $cq3 expected 1"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking CLIENT_RESPONSE message counts"
+ret=0
+[ $cr1 -eq 0 ] || {
+	echo_i "ns1 $cr1 expected 0"
+	ret=1
+}
+[ $cr2 -eq 0 ] || {
+	echo_i "ns2 $cr2 expected 0"
+	ret=1
+}
+[ $cr3 -eq 1 ] || {
+	echo_i "ns3 $cr3 expected 1"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking RESOLVER_QUERY message counts"
+ret=0
+[ $rq1 -eq 0 ] || {
+	echo_i "ns1 $rq1 expected 0"
+	ret=1
+}
+[ $rq2 -eq 0 ] || {
+	echo_i "ns2 $rq2 expected 0"
+	ret=1
+}
+[ $rq3 -eq 0 ] || {
+	echo_i "ns3 $rq3 expected 0"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking RESOLVER_RESPONSE message counts"
+ret=0
+[ $rr1 -eq 0 ] || {
+	echo_i "ns1 $rr1 expected 0"
+	ret=1
+}
+[ $rr2 -eq 0 ] || {
+	echo_i "ns2 $rr2 expected 0"
+	ret=1
+}
+[ $rr3 -eq 0 ] || {
+	echo_i "ns3 $rr3 expected 0"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking UPDATE_QUERY message counts"
+ret=0
+[ $uq1 -eq 0 ] || {
+	echo_i "ns1 $uq1 expected 0"
+	ret=1
+}
+[ $uq2 -eq 1 ] || {
+	echo_i "ns2 $uq2 expected 1"
+	ret=1
+}
+[ $uq3 -eq 0 ] || {
+	echo_i "ns3 $uq3 expected 0"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking UPDATE_RESPONSE message counts"
+ret=0
+[ $ur1 -eq 0 ] || {
+	echo_i "ns1 $ur1 expected 0"
+	ret=1
+}
+[ $ur2 -eq 1 ] || {
+	echo_i "ns2 $ur2 expected 1"
+	ret=1
+}
+[ $ur3 -eq 0 ] || {
+	echo_i "ns3 $ur3 expected 0"
+	ret=1
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking whether destination UDP port is logged for client queries"
+ret=0
+$DNSTAPREAD ns3/dnstap.out.save | grep -Eq "CQ [0-9:.]+ -> 10.53.0.3:${PORT} UDP" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+HAS_PYYAML=0
+if [ -x "$PYTHON" ] ; then
+	$PYTHON -c "import yaml" 2> /dev/null && HAS_PYYAML=1
+fi
+
+if [ $HAS_PYYAML -ne 0 ] ; then
+	echo_i "checking dnstap-read YAML output"
+	ret=0
+        {
+	  $PYTHON ydump.py "$DNSTAPREAD" "ns3/dnstap.out.save" > ydump.out || ret=1
+        } | cat_i
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+fi
+
+echo_i "checking dnstap-read hex output"
+ret=0
+hex=$($DNSTAPREAD -x ns3/dnstap.out | tail -1)
+echo $hex | $WIRETEST > dnstap.hex
+grep 'status: NOERROR' dnstap.hex > /dev/null 2>&1 || ret=1
+grep 'ANSWER: 3, AUTHORITY: 1' dnstap.hex > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if [ -n "$FSTRM_CAPTURE" ] ; then
+	$DIG $DIGOPTS @10.53.0.4 a.example > dig.out
+
+	# send an UPDATE to ns4
+	$NSUPDATE <<- EOF > nsupdate.out 2>&1 && ret=1
+	server 10.53.0.4 ${PORT}
+	zone example
+	update add b.example 3600 in a 10.10.10.10
+	send
+EOF
+	grep "update failed: NOTAUTH" nsupdate.out > /dev/null || ret=1
+
+	echo_i "checking unix socket message counts"
+	sleep 2
+	retry_quiet 5 dnstap_data_ready $fstrm_capture_pid dnstap.out 450 || {
+		echo_i "dnstap output file smaller than expected"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+	kill $fstrm_capture_pid
+	wait
+	udp4=$($DNSTAPREAD dnstap.out | grep "UDP " | wc -l)
+	tcp4=$($DNSTAPREAD dnstap.out | grep "TCP " | wc -l)
+	aq4=$($DNSTAPREAD dnstap.out | grep "AQ " | wc -l)
+	ar4=$($DNSTAPREAD dnstap.out | grep "AR " | wc -l)
+	cq4=$($DNSTAPREAD dnstap.out | grep "CQ " | wc -l)
+	cr4=$($DNSTAPREAD dnstap.out | grep "CR " | wc -l)
+	rq4=$($DNSTAPREAD dnstap.out | grep "RQ " | wc -l)
+	rr4=$($DNSTAPREAD dnstap.out | grep "RR " | wc -l)
+	uq4=$($DNSTAPREAD dnstap.out | grep "UQ " | wc -l)
+	ur4=$($DNSTAPREAD dnstap.out | grep "UR " | wc -l)
+
+	echo_i "checking UDP message counts"
+	ret=0
+	[ $udp4 -eq 4 ] || {
+		echo_i "ns4 $udp4 expected 4"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking TCP message counts"
+	ret=0
+	[ $tcp4 -eq 0 ] || {
+		echo_i "ns4 $tcp4 expected 0"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking AUTH_QUERY message counts"
+	ret=0
+	[ $aq4 -eq 0 ] || {
+		echo_i "ns4 $aq4 expected 0"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking AUTH_RESPONSE message counts"
+	ret=0
+	[ $ar4 -eq 0 ] || {
+		echo_i "ns4 $ar4 expected 0"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking CLIENT_QUERY message counts"
+	ret=0
+	[ $cq4 -eq 1 ] || {
+		echo_i "ns4 $cq4 expected 1"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking CLIENT_RESPONSE message counts"
+	ret=0
+	[ $cr4 -eq 1 ] || {
+		echo_i "ns4 $cr4 expected 1"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking RESOLVER_QUERY message counts"
+	ret=0
+	[ $rq4 -eq 0 ] || {
+		echo_i "ns4 $rq4 expected 0"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking RESOLVER_RESPONSE message counts"
+	ret=0
+	[ $rr4 -eq 0 ] || {
+		echo_i "ns4 $rr4 expected 0"
+		ret=1
+	}
+
+	echo_i "checking UPDATE_QUERY message counts"
+	ret=0
+	[ $uq4 -eq 1 ] || {
+		echo_i "ns4 $uq4 expected 1"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking UPDATE_RESPONSE message counts"
+	ret=0
+	[ $ur4 -eq 1 ] || {
+		echo_i "ns4 $ur4 expected 1"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	mv dnstap.out dnstap.out.save
+
+	echo_i "restarting fstrm_capture"
+	$FSTRM_CAPTURE -t protobuf:dnstap.Dnstap -u ns4/dnstap.out \
+		-w dnstap.out > fstrm_capture.out.2 2>&1 &
+	fstrm_capture_pid=$!
+	wait_for_log 10 "socket path ns4/dnstap.out" fstrm_capture.out.2 || {
+		echo_i "failed"
+		ret=1
+	}
+	$RNDCCMD -s 10.53.0.4 dnstap -reopen | sed 's/^/ns4 /' | cat_i
+	$DIG $DIGOPTS @10.53.0.4 a.example > dig.out
+
+	echo_i "checking reopened unix socket message counts"
+	sleep 2
+	retry_quiet 5 dnstap_data_ready $fstrm_capture_pid dnstap.out 270 || {
+		echo_i "dnstap output file smaller than expected"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+	kill $fstrm_capture_pid
+	wait
+	udp4=$($DNSTAPREAD dnstap.out | grep "UDP " | wc -l)
+	tcp4=$($DNSTAPREAD dnstap.out | grep "TCP " | wc -l)
+	aq4=$($DNSTAPREAD dnstap.out | grep "AQ " | wc -l)
+	ar4=$($DNSTAPREAD dnstap.out | grep "AR " | wc -l)
+	cq4=$($DNSTAPREAD dnstap.out | grep "CQ " | wc -l)
+	cr4=$($DNSTAPREAD dnstap.out | grep "CR " | wc -l)
+	rq4=$($DNSTAPREAD dnstap.out | grep "RQ " | wc -l)
+	rr4=$($DNSTAPREAD dnstap.out | grep "RR " | wc -l)
+	uq4=$($DNSTAPREAD dnstap.out | grep "UQ " | wc -l)
+	ur4=$($DNSTAPREAD dnstap.out | grep "UR " | wc -l)
+
+	echo_i "checking UDP message counts"
+	ret=0
+	[ $udp4 -eq 2 ] || {
+		echo_i "ns4 $udp4 expected 2"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking TCP message counts"
+	ret=0
+	[ $tcp4 -eq 0 ] || {
+		echo_i "ns4 $tcp4 expected 0"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking AUTH_QUERY message counts"
+	ret=0
+	[ $aq4 -eq 0 ] || {
+		echo_i "ns4 $aq4 expected 0"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking AUTH_RESPONSE message counts"
+	ret=0
+	[ $ar4 -eq 0 ] || {
+		echo_i "ns4 $ar4 expected 0"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking CLIENT_QUERY message counts"
+	ret=0
+	[ $cq4 -eq 1 ] || {
+		echo_i "ns4 $cq4 expected 1"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking CLIENT_RESPONSE message counts"
+	ret=0
+	[ $cr4 -eq 1 ] || {
+		echo_i "ns4 $cr4 expected 1"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking RESOLVER_QUERY message counts"
+	ret=0
+	[ $rq4 -eq 0 ] || {
+		echo_i "ns4 $rq4 expected 0"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking RESOLVER_RESPONSE message counts"
+	ret=0
+	[ $rr4 -eq 0 ] || {
+		echo_i "ns4 $rr4 expected 0"
+		ret=1
+	}
+
+	echo_i "checking UPDATE_QUERY message counts"
+	ret=0
+	[ $uq4 -eq 0 ] || {
+		echo_i "ns4 $uq4 expected 0"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	echo_i "checking UPDATE_RESPONSE message counts"
+	ret=0
+	[ $ur4 -eq 0 ] || {
+		echo_i "ns4 $ur4 expected 0"
+		ret=1
+	}
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+fi
+
+echo_i "checking large packet printing"
+ret=0
+# Expect one occurrence of "opcode: QUERY" below "reponse_message_data" and
+# another one below "response_message".
+lines=$($DNSTAPREAD -y large-answer.fstrm | grep -c "opcode: QUERY")
+[ $lines -eq 2 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+_test_dnstap_roll() (
+    ip="$1"
+    ns="$2"
+    n="$3"
+
+    $RNDCCMD -s "${ip}" dnstap -roll "${n}" | sed "s/^/${ns} /" | cat_i &&
+    files=$(find "$ns" -name "dnstap.out.[0-9]" | wc -l) &&
+    test "$files" -eq "${n}" && test "$files" -ge "1" || return 1
+)
+
+
+test_dnstap_roll() {
+	echo_i "checking 'rndc -roll $4' ($1)"
+	ret=0
+
+	try=0
+	while test $try -lt 12
+	do
+		touch "$3/dnstap.out.$try"
+		try=$((try + 1))
+	done
+
+	_repeat 10 _test_dnstap_roll $2 $3 $4 || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+}
+
+start_server --noclean --restart --port "${PORT}" ns3
+test_dnstap_roll "no versions" 10.53.0.3 ns3 6
+test_dnstap_roll "no versions" 10.53.0.3 ns3 3
+test_dnstap_roll "no versions" 10.53.0.3 ns3 1
+
+start_server --noclean --restart --port "${PORT}" ns2
+test_dnstap_roll "versions" 10.53.0.2 ns2 6
+test_dnstap_roll "versions" 10.53.0.2 ns2 3
+test_dnstap_roll "versions" 10.53.0.2 ns2 1
+
+echo_i "exit status: $status"
+[ "$status" -eq 0 ] || exit 1
diff --git a/bin/tests/system/dnstap/tests_dnstap.py b/bin/tests/system/dnstap/tests_dnstap.py
new file mode 100644
index 0000000..ca687b0
--- /dev/null
+++ b/bin/tests/system/dnstap/tests_dnstap.py
@@ -0,0 +1,83 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import os
+import re
+import subprocess
+
+import pytest
+
+pytest.importorskip("dns", minversion="2.0.0")
+import dns.resolver
+
+
+def run_rndc(server, rndc_command):
+    """
+    Send the specified 'rndc_command' to 'server' with a timeout of 10 seconds
+    """
+    rndc = os.getenv("RNDC")
+    port = os.getenv("CONTROLPORT")
+
+    cmdline = [rndc, "-c", "../common/rndc.conf", "-p", port, "-s", server]
+    cmdline.extend(rndc_command)
+
+    subprocess.check_output(cmdline, stderr=subprocess.STDOUT, timeout=10)
+
+
+def test_dnstap_dispatch_socket_addresses(named_port):
+    # Prepare for querying ns3.
+    resolver = dns.resolver.Resolver()
+    resolver.nameservers = ["10.53.0.3"]
+    resolver.port = named_port
+
+    # Send some query to ns3 so that it records something in its dnstap file.
+    ans = resolver.resolve("mail.example.", "A")
+    assert ans[0].address == "10.0.0.2"
+
+    # Before continuing, roll dnstap file to ensure it is flushed to disk.
+    run_rndc("10.53.0.3", ["dnstap", "-roll", "1"])
+
+    # Move the dnstap file aside so that it is retained for troubleshooting.
+    os.rename(os.path.join("ns3", "dnstap.out.0"), "dnstap.out.resolver_addresses")
+
+    # Read the contents of the dnstap file using dnstap-read.
+    output = subprocess.check_output(
+        [os.getenv("DNSTAPREAD"), "dnstap.out.resolver_addresses"], encoding="utf-8"
+    )
+
+    # Check whether all frames contain the expected addresses.
+    #
+    # Expected dnstap-read output format:
+    #
+    #     22-Jun-2022 12:09:06.168 RR 10.53.0.3:0 -> 10.53.0.1:7523 TCP ...
+    #     22-Jun-2022 12:09:06.168 RR 10.53.0.3:0 <- 10.53.0.1:7523 TCP ...
+    #     22-Jun-2022 12:09:06.168 RQ 10.53.0.3:56306 -> 10.53.0.2:7523 UDP ...
+    #     22-Jun-2022 12:09:06.168 RQ 10.53.0.3:56306 <- 10.53.0.2:7523 UDP ...
+    #
+    bad_frames = []
+    inspected_frames = 0
+    addr_regex = r"^10\.53\.0\.[0-9]+:[0-9]{1,5}$"
+    for line in output.splitlines():
+        _, _, frame_type, addr1, _, addr2, _ = line.split(" ", 6)
+        # Only inspect RESOLVER_QUERY and RESOLVER_RESPONSE frames.
+        if frame_type not in ("RQ", "RR"):
+            continue
+        inspected_frames += 1
+        if not re.match(addr_regex, addr1) or not re.match(addr_regex, addr2):
+            bad_frames.append(line)
+
+    assert (
+        len(bad_frames) == 0
+    ), "{} out of {} inspected frames contain unexpected addresses:\n\n{}".format(
+        len(bad_frames), inspected_frames, "\n".join(bad_frames)
+    )
diff --git a/bin/tests/system/dnstap/tests_sh_dnstap.py b/bin/tests/system/dnstap/tests_sh_dnstap.py
new file mode 100644
index 0000000..8094f0d
--- /dev/null
+++ b/bin/tests/system/dnstap/tests_sh_dnstap.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_dnstap(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/dnstap/ydump.py b/bin/tests/system/dnstap/ydump.py
new file mode 100644
index 0000000..ab7e3c9
--- /dev/null
+++ b/bin/tests/system/dnstap/ydump.py
@@ -0,0 +1,29 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import sys
+
+try:
+    import yaml
+except (ModuleNotFoundError, ImportError):
+    print("No python yaml module, skipping")
+    sys.exit(1)
+
+import subprocess
+import pprint
+
+DNSTAP_READ = sys.argv[1]
+DATAFILE = sys.argv[2]
+ARGS = [DNSTAP_READ, "-y", DATAFILE]
+
+with subprocess.Popen(ARGS, stdout=subprocess.PIPE) as f:
+    for y in yaml.load_all(f.stdout, Loader=yaml.SafeLoader):
+        pprint.pprint(y)
diff --git a/bin/tests/system/doth/CA/CA.cfg b/bin/tests/system/doth/CA/CA.cfg
new file mode 100644
index 0000000..97ea088
--- /dev/null
+++ b/bin/tests/system/doth/CA/CA.cfg
@@ -0,0 +1,121 @@
+## How To
+# To issue a certificate:
+#
+# 1. Generate the next certificate serial (if the file does not exist):
+# xxd -l 8 -u -ps /dev/urandom > ./serial
+# 2. Create the new certificate request (e.g. for foo.example.com):
+#  openssl req -config ./CA.cfg -new -subj "/CN=foo.example.com" \
+#                  -addext "subjectAltName=DNS:foo.example.com,IP=X.X.X.X" \
+#                  -newkey rsa -keyout ./certs/foo.example.com.key \
+#                  -out ./certs/foo.example.com.csr
+#
+# The above will generate request for an RSA-based certificate. One
+# can issue an ECDSA-based certificate by replacing "-newkey rsa" with
+# "-newkey ec -pkeyopt ec_paramgen_curve:secp384r1".
+#
+# 3. Issue the certificate:
+# openssl ca -config ./CA.cfg -in ./certs/foo.example.com.csr \
+#                             -out ./certs/foo.example.com.pem
+#
+# To cleanup the internal database from expired certificates:
+#
+# 1.  openssl ca -config ./CA.cfg -updatedb
+#
+# To revoke a certificate:
+#
+# 1. Revoke the certificate via file  (e.g. for foo.example.com):
+# openssl ca -config ./CA.cfg -revoke ./certs/foo.example.com.pem
+# 2. Optionally remove the certificate file if you do not need it anymore:
+# rm ./certs/foo.example.com.pem
+# 3. Generate the certificate revocation list file: CRL (e.g. revoked.crl):
+# openssl ca -config ./CA.cfg -gencrl > ./revoked.crl
+#
+# The key for CA was generated like follows
+# openssl genrsa -out ./CA.key 3072
+# openssl req -x509 -new -key ./CA.key -days 10950 -out ./CA.pem
+#
+# See also:
+#
+# - https://jamielinux.com/docs/openssl-certificate-authority/index.html
+# - https://www.openssl.org/docs/man1.1.1/man1/ca.html
+# - https://www.openssl.org/docs/man1.1.1/man1/openssl-req.html
+# - https://security.stackexchange.com/questions/74345/provide-subjectaltname-to-openssl-directly-on-the-command-line
+# - https://security.stackexchange.com/a/190646 - for ECDSA certificates
+# - https://gist.github.com/Soarez/9688998
+# - https://habr.com/ru/post/192446/ - Beware, your screen might "go Cyrillic"!
+
+# certificate authority configuration
+[ca]
+default_ca      = CA_default               # The default ca section
+
+[CA_default]
+dir            = .
+new_certs_dir  = $dir/newcerts         # new certs dir (must be created)
+certificate    = $dir/CA.pem           # The CA cert
+private_key    = $dir/private/CA.key   # CA private key
+
+serial         = $dir/serial           # serial number file for the next certificate
+                                       # Update before issuing it:
+                                       # xxd -l 8 -u -ps /dev/urandom > ./serial
+database = $dir/index.txt                 # (must be created manually: touch ./index.txt)
+
+default_days   = 10950                 # how long to certify for
+
+#default_crl_days = 30                 # the number of days before the
+default_crl_days = 10950               # next CRL is due. That is the
+                                       # days from now to place in the
+                                       # CRL nextUpdate field.  If CRL
+                                       # is expired, certificate
+                                       # verifications will fail even
+                                       # for otherwise valid
+                                       # certificates. Clients might
+                                       # cache the CRL, so the expiry
+                                       # period should normally be
+                                       # relatively short (default:
+                                       # 30) for production CAs.
+
+default_md     = sha256                # digest to use
+
+policy         = policy_default        # default policy
+email_in_dn    = no                    # Don't add the email into cert DN
+
+name_opt       = ca_default            # Subject name display option
+cert_opt       = ca_default            # Certificate display option
+
+# We need the following in order to copy Subject Alt Name(s) from a
+# request to the certificate.
+copy_extensions = copy                 # copy extensions from request
+
+[policy_default]
+countryName            = optional
+stateOrProvinceName    = optional
+organizationalUnitName = optional
+commonName             = supplied
+emailAddress           = optional
+
+# default certificate requests settings
+[req]
+# Options for the `req` tool (`man req`).
+default_bits        = 3072 # for RSA only
+distinguished_name  = req_default
+string_mask         = utf8only
+# SHA-1 is deprecated, so use SHA-256 instead.
+default_md          = sha256
+# do not encrypt the private key file
+encrypt_key         = no
+
+[req_default]
+# See <https://en.wikipedia.org/wiki/Certificate_signing_request>.
+countryName                     = Country Name (2 letter code)
+stateOrProvinceName             = State or Province Name (full name)
+localityName                    = Locality Name (e.g., city)
+0.organizationName              = Organization Name (e.g., company)
+organizationalUnitName          = Organizational Unit Name (e.g. department)
+commonName                      = Common Name (e.g. server FQDN or YOUR name)
+emailAddress                    = Email Address
+# defaults
+countryName_default                     = UA
+stateOrProvinceName_default             = Kharkiv Oblast
+localityName_default                    = Kharkiv
+0.organizationName_default              = ISC
+organizationalUnitName_default          = Software Engeneering (BIND 9)
diff --git a/bin/tests/system/doth/CA/CA.pem b/bin/tests/system/doth/CA/CA.pem
new file mode 100644
index 0000000..1f725db
--- /dev/null
+++ b/bin/tests/system/doth/CA/CA.pem
@@ -0,0 +1,29 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/README b/bin/tests/system/doth/CA/README
new file mode 100644
index 0000000..13069ca
--- /dev/null
+++ b/bin/tests/system/doth/CA/README
@@ -0,0 +1,2 @@
+Please take a look at the contents of the CA.cfg file for further
+instructions and configurations options.
diff --git a/bin/tests/system/doth/CA/certs/srv01.client01.example.com.key b/bin/tests/system/doth/CA/certs/srv01.client01.example.com.key
new file mode 100644
index 0000000..9da02dd
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.client01.example.com.key
@@ -0,0 +1,6 @@
+-----BEGIN PRIVATE KEY-----
+MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDCq9Z95YLiCPSevj5Xm
+lB/ijFFlZb8AT2bHUyL1fmivBm8JfjSa/j3pZePAF7rltyChZANiAARek2p62nXM
+ZAjk+PkvK4U27uHf+s1MYPFEtRZ7+QPPoAhnb64no5WKaB5jq88uIGJS54w+Hu/e
+DWlkZbbk3/4aSPhodYSDEfuBWQ7Blkh/JNoR3azLCsUJeCQxOt835rM=
+-----END PRIVATE KEY-----
diff --git a/bin/tests/system/doth/CA/certs/srv01.client01.example.com.pem b/bin/tests/system/doth/CA/certs/srv01.client01.example.com.pem
new file mode 100644
index 0000000..0b4c115
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.client01.example.com.pem
@@ -0,0 +1,68 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207431 (0x6bb3183cdef52007)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb 10 17:44:20 2022 GMT
+            Not After : Feb  3 17:44:20 2052 GMT
+        Subject: CN=srv01.client01.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:5e:93:6a:7a:da:75:cc:64:08:e4:f8:f9:2f:2b:
+                    85:36:ee:e1:df:fa:cd:4c:60:f1:44:b5:16:7b:f9:
+                    03:cf:a0:08:67:6f:ae:27:a3:95:8a:68:1e:63:ab:
+                    cf:2e:20:62:52:e7:8c:3e:1e:ef:de:0d:69:64:65:
+                    b6:e4:df:fe:1a:48:f8:68:75:84:83:11:fb:81:59:
+                    0e:c1:96:48:7f:24:da:11:dd:ac:cb:0a:c5:09:78:
+                    24:31:3a:df:37:e6:b3
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv01.client01.example.com
+    Signature Algorithm: sha256WithRSAEncryption
+         82:bd:eb:8f:4e:a5:d2:46:c7:d8:70:3c:34:1d:58:43:1b:81:
+         16:5d:c2:b0:76:4b:a9:f2:10:14:23:e4:ef:dc:59:03:b6:7f:
+         b0:40:34:e5:d0:82:4b:95:a6:07:9a:45:51:94:cf:08:c2:4e:
+         c9:44:d5:f3:b6:ed:f2:a0:01:94:ad:e0:0e:0f:ab:85:6f:35:
+         4b:07:c8:97:25:fb:69:ff:a1:99:bc:ec:70:6c:51:b5:32:95:
+         e9:c9:45:cf:45:e2:c5:5e:b1:59:a2:e1:f2:83:c8:87:68:c4:
+         60:e2:db:50:6c:18:64:1b:9a:9a:cc:7c:e7:fd:d9:f2:b7:d1:
+         de:1d:ec:29:c9:58:db:7b:9a:a1:06:9a:ce:36:a0:45:10:dc:
+         7d:81:24:21:34:30:4c:71:f9:fc:96:37:d6:cf:0d:9d:11:12:
+         c7:62:bc:19:5b:79:e5:e0:37:e8:17:36:4b:13:af:fa:2c:2e:
+         36:d9:be:53:e1:c3:f9:bc:94:a6:7a:97:14:99:36:f9:14:38:
+         11:20:3a:2a:9d:fd:64:63:d0:a2:8f:f0:99:a9:02:ca:57:48:
+         d2:7d:65:44:b6:85:a0:38:ec:e8:19:7e:c2:48:e3:1d:22:53:
+         cf:3b:d4:0a:98:e1:72:62:ec:8b:01:3f:5a:ea:26:2c:8c:16:
+         c3:80:5a:c2:5d:40:c5:65:1c:e2:9a:e3:d6:65:16:ee:dc:17:
+         30:d8:26:87:92:d0:ef:c7:72:07:99:86:05:9e:49:35:41:33:
+         b9:bb:cb:1b:25:50:70:85:e3:0f:c7:b9:b2:37:00:1b:87:a2:
+         47:97:34:5b:cd:dc:66:22:e5:de:25:ec:57:fe:37:75:2c:03:
+         10:f4:d4:a7:cc:f5:4b:0b:ff:eb:d3:a6:78:2e:cd:8f:65:51:
+         a7:8c:ef:83:67:ec:94:13:c2:1f:74:74:55:7c:a3:0b:b7:2f:
+         80:5a:62:04:1d:a2:c0:c1:de:b2:7d:31:3b:a1:fa:f7:40:a7:
+         bd:12:25:95:5b:8b
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/certs/srv01.client02-ns2.example.com.key b/bin/tests/system/doth/CA/certs/srv01.client02-ns2.example.com.key
new file mode 100644
index 0000000..91cb6ca
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.client02-ns2.example.com.key
@@ -0,0 +1,6 @@
+-----BEGIN PRIVATE KEY-----
+MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDD1/sp/yNsAc9Z6TPhm
+0xT0ZhSf/9XJD6daSpdUDJ/nEJKa+sBXDWJHuXrbNRqUK2qhZANiAATmRfpXEmxZ
+ECOLelx2M+s7Qfq3HJCzLzMtRXvj5baloqKkFPRQnbDGOLrpRWWkZbkQMi+Tm9XY
+z7QpW9xOyOymn1h2JPTF0UhVUutdsIWThe4+uMSxzQhZlRL/e5vuark=
+-----END PRIVATE KEY-----
diff --git a/bin/tests/system/doth/CA/certs/srv01.client02-ns2.example.com.pem b/bin/tests/system/doth/CA/certs/srv01.client02-ns2.example.com.pem
new file mode 100644
index 0000000..1b43bbd
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.client02-ns2.example.com.pem
@@ -0,0 +1,68 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207432 (0x6bb3183cdef52008)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb 11 13:21:12 2022 GMT
+            Not After : Feb  4 13:21:12 2052 GMT
+        Subject: CN=srv01.client02-ns2.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:e6:45:fa:57:12:6c:59:10:23:8b:7a:5c:76:33:
+                    eb:3b:41:fa:b7:1c:90:b3:2f:33:2d:45:7b:e3:e5:
+                    b6:a5:a2:a2:a4:14:f4:50:9d:b0:c6:38:ba:e9:45:
+                    65:a4:65:b9:10:32:2f:93:9b:d5:d8:cf:b4:29:5b:
+                    dc:4e:c8:ec:a6:9f:58:76:24:f4:c5:d1:48:55:52:
+                    eb:5d:b0:85:93:85:ee:3e:b8:c4:b1:cd:08:59:95:
+                    12:ff:7b:9b:ee:6a:b9
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv01.client02-ns2.example.com
+    Signature Algorithm: sha256WithRSAEncryption
+         43:ec:0f:62:17:f6:f4:90:3b:7c:36:21:f2:18:94:a6:42:51:
+         1e:1d:2a:43:8f:05:b7:8d:3c:ca:f0:20:2f:65:4b:be:48:ad:
+         6a:0a:cc:2d:1f:d6:27:1d:af:4a:36:86:ed:0d:03:75:c5:71:
+         ec:58:9b:ec:f9:0f:e4:83:ef:6f:91:da:20:73:47:ac:e7:c7:
+         8b:22:b2:d1:6e:a0:b0:d6:1c:4c:70:1e:74:08:1d:7f:61:06:
+         e5:be:f3:e8:c4:15:60:e2:b0:02:9b:f0:13:af:76:5b:a8:c7:
+         91:2c:10:5f:0d:32:89:51:5a:7f:17:1b:7c:c6:46:97:ee:e7:
+         bb:8a:48:38:a2:52:d4:ff:3b:1c:ec:4a:a9:8c:a5:23:3a:04:
+         bb:d7:b8:ad:5b:69:7f:1d:be:ca:96:e0:eb:56:05:43:ee:c8:
+         ff:2c:48:03:00:c6:c2:ac:fc:4e:15:47:86:c5:33:ed:70:f6:
+         98:bc:0b:07:b9:5b:1a:ec:fd:3c:bf:26:61:68:fc:db:02:55:
+         07:ae:76:0e:be:ff:c5:b8:56:fb:52:54:a4:b1:2d:64:b4:1d:
+         55:02:4f:da:06:bd:26:e4:22:d2:94:1f:7e:29:c4:97:10:d1:
+         75:7d:41:53:be:46:52:70:b1:d9:ff:bb:9f:96:19:e3:a0:ba:
+         d0:4a:5a:8d:da:22:73:89:f0:4c:e6:18:80:53:be:bd:64:56:
+         6a:c9:58:71:40:66:9e:4a:3e:31:3b:74:9e:6e:6a:f5:65:ca:
+         93:06:52:00:74:65:a0:3a:eb:2e:56:56:d2:a5:4b:0e:85:17:
+         25:78:cb:f3:f9:53:7b:85:f9:82:15:87:bc:36:70:b5:69:64:
+         48:11:79:b9:2c:2e:cc:09:fd:0f:b0:b7:cd:97:3b:c7:0f:49:
+         1a:fc:15:49:d6:1c:a9:dc:14:ff:44:d2:be:5a:36:00:66:0c:
+         d5:b8:bf:16:9e:60:27:79:c0:f5:b4:ff:2f:af:8c:b2:49:75:
+         61:44:05:1a:e8:cd
+-----BEGIN CERTIFICATE-----
+MIIDKTCCAZGgAwIBAgIIa7MYPN71IAgwDQYJKoZIhvcNAQELBQAwfTELMAkGA1UE
+BhMCVUExGDAWBgNVBAgMD0toYXJraXYgT2JsYXN0JzEQMA4GA1UEBwwHS2hhcmtp
+djEkMCIGA1UECgwbSW50ZXJuZXQgU3lzdGVtcyBDb25zb3J0aXVtMRwwGgYDVQQD
+DBNjYS50ZXN0LmV4YW1wbGUuY29tMCAXDTIyMDIxMTEzMjExMloYDzIwNTIwMjA0
+MTMyMTEyWjApMScwJQYDVQQDDB5zcnYwMS5jbGllbnQwMi1uczIuZXhhbXBsZS5j
+b20wdjAQBgcqhkjOPQIBBgUrgQQAIgNiAATmRfpXEmxZECOLelx2M+s7Qfq3HJCz
+LzMtRXvj5baloqKkFPRQnbDGOLrpRWWkZbkQMi+Tm9XYz7QpW9xOyOymn1h2JPTF
+0UhVUutdsIWThe4+uMSxzQhZlRL/e5vuarmjLTArMCkGA1UdEQQiMCCCHnNydjAx
+LmNsaWVudDAyLW5zMi5leGFtcGxlLmNvbTANBgkqhkiG9w0BAQsFAAOCAYEAQ+wP
+Yhf29JA7fDYh8hiUpkJRHh0qQ48Ft408yvAgL2VLvkitagrMLR/WJx2vSjaG7Q0D
+dcVx7Fib7PkP5IPvb5HaIHNHrOfHiyKy0W6gsNYcTHAedAgdf2EG5b7z6MQVYOKw
+ApvwE692W6jHkSwQXw0yiVFafxcbfMZGl+7nu4pIOKJS1P87HOxKqYylIzoEu9e4
+rVtpfx2+ypbg61YFQ+7I/yxIAwDGwqz8ThVHhsUz7XD2mLwLB7lbGuz9PL8mYWj8
+2wJVB652Dr7/xbhW+1JUpLEtZLQdVQJP2ga9JuQi0pQffinElxDRdX1BU75GUnCx
+2f+7n5YZ46C60Epajdoic4nwTOYYgFO+vWRWaslYcUBmnko+MTt0nm5q9WXKkwZS
+AHRloDrrLlZW0qVLDoUXJXjL8/lTe4X5ghWHvDZwtWlkSBF5uSwuzAn9D7C3zZc7
+xw9JGvwVSdYcqdwU/0TSvlo2AGYM1bi/Fp5gJ3nA9bT/L6+Mskl1YUQFGujN
+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/certs/srv01.client03-ns2-expired.example.com.key b/bin/tests/system/doth/CA/certs/srv01.client03-ns2-expired.example.com.key
new file mode 100644
index 0000000..5d3d283
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.client03-ns2-expired.example.com.key
@@ -0,0 +1,6 @@
+-----BEGIN PRIVATE KEY-----
+MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDCQvnl9FD/mrb+KQaC8
+VMhKW2sxrYFHhZnUYBc3Luz/X3vECNVqLVc5asLu+NrkioyhZANiAAQ4mpvCaoKm
+0VCKeHrRvmG+1LbT1qICl6RIUMDFHdgtIxklbpECHWnCd9bxqE9Kmh08aVqJQQry
+4GRXGw6e359MezxC3CHILJWrs0xfVsRw7oqk5EbEnpj1yHuyc9dFk/A=
+-----END PRIVATE KEY-----
diff --git a/bin/tests/system/doth/CA/certs/srv01.client03-ns2-expired.example.com.pem b/bin/tests/system/doth/CA/certs/srv01.client03-ns2-expired.example.com.pem
new file mode 100644
index 0000000..99e4a71
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.client03-ns2-expired.example.com.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207433 (0x6bb3183cdef52009)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Aug 14 05:00:00 2012 GMT
+            Not After : Aug 14 06:00:00 2012 GMT
+        Subject: CN=srv01.client03-ns2-expired.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:38:9a:9b:c2:6a:82:a6:d1:50:8a:78:7a:d1:be:
+                    61:be:d4:b6:d3:d6:a2:02:97:a4:48:50:c0:c5:1d:
+                    d8:2d:23:19:25:6e:91:02:1d:69:c2:77:d6:f1:a8:
+                    4f:4a:9a:1d:3c:69:5a:89:41:0a:f2:e0:64:57:1b:
+                    0e:9e:df:9f:4c:7b:3c:42:dc:21:c8:2c:95:ab:b3:
+                    4c:5f:56:c4:70:ee:8a:a4:e4:46:c4:9e:98:f5:c8:
+                    7b:b2:73:d7:45:93:f0
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv01.client03-ns2-expired.example.com
+    Signature Algorithm: sha256WithRSAEncryption
+         38:12:1f:5f:26:b6:8e:9b:3f:77:89:5a:b8:e8:46:78:c3:d6:
+         f0:0c:67:5f:d5:a3:9c:f6:f2:0a:ae:9c:87:74:9f:a3:5b:8a:
+         27:58:47:e5:78:1a:e9:db:b5:cc:28:a7:f8:18:e3:e7:20:43:
+         cf:82:06:5d:a1:d0:82:ab:15:be:86:46:1e:e6:4d:ad:78:a4:
+         16:6c:99:41:3d:29:21:c8:6b:9d:3d:4a:cd:93:37:1f:1c:88:
+         c7:ae:b6:7c:73:42:57:57:32:9d:e8:c6:e2:3e:da:12:57:3e:
+         c8:56:4a:bb:d4:01:fc:8e:30:8d:19:fe:61:3d:5e:02:64:65:
+         a2:46:b3:6e:ea:f9:cb:4e:f0:b9:f6:bc:6b:38:10:19:d0:93:
+         f8:f7:d9:4c:d2:87:2c:7f:dc:f5:00:c6:29:dd:00:5e:d2:f4:
+         df:52:fb:7a:5a:ad:98:36:77:72:1f:01:ed:48:91:48:16:2d:
+         35:a5:15:21:98:ff:7e:5d:a1:45:c9:5f:9d:c2:3e:e5:98:e2:
+         ee:ce:4d:18:76:3d:8a:0a:64:9b:f1:19:9d:b6:82:af:1b:15:
+         d3:48:69:f1:9b:67:76:1b:41:8e:1d:69:d5:31:64:95:01:41:
+         73:c1:a9:29:53:6b:f3:29:ad:e0:96:52:8e:3e:8d:c1:8e:d8:
+         b5:0c:94:5f:a2:6c:3c:0f:3e:5b:10:af:21:00:74:d0:b7:30:
+         6c:44:fb:3d:09:46:8d:1d:e6:c2:e4:0a:5b:f4:eb:e1:71:c7:
+         d5:36:13:90:05:fe:65:16:61:24:b5:41:f2:10:bd:2c:c3:34:
+         69:15:25:d1:32:f2:b3:d7:da:23:1b:e9:5b:33:63:43:c8:dc:
+         68:f2:31:b5:93:0e:64:ea:9a:45:36:9f:96:44:38:1e:4e:d8:
+         45:ba:37:68:06:4d:da:d4:16:d3:3e:77:86:4e:8d:58:d6:06:
+         a8:60:11:4d:d9:81:f3:85:2b:ee:58:50:6e:ea:2b:f7:84:00:
+         9c:ec:a1:90:d4:94
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/certs/srv01.crt01.example.com.key b/bin/tests/system/doth/CA/certs/srv01.crt01.example.com.key
new file mode 100644
index 0000000..a4194bd
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.crt01.example.com.key
@@ -0,0 +1,6 @@
+-----BEGIN PRIVATE KEY-----
+MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDB/BdYjkgkVy4gTuXX3
+20DWo80uWsQkKDwMeOoaQ2cYy5Cm2AdTALDdBihGKRfACPqhZANiAAQSoXsPefIp
+9Y9qBtAogxRDjxlMKZE2MA8GplbnV5tYLJ78nKNO9uNvkEDVCf2Ulo4UaHRv6Ken
+q4w1lvLWj12XXdG5IlvvMRWh4ettb6+xL4Dlpak48m/5ZRRwp6Ws4Ro=
+-----END PRIVATE KEY-----
diff --git a/bin/tests/system/doth/CA/certs/srv01.crt01.example.com.pem b/bin/tests/system/doth/CA/certs/srv01.crt01.example.com.pem
new file mode 100644
index 0000000..8671dd3
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.crt01.example.com.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207425 (0x6bb3183cdef52001)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb  8 17:18:52 2022 GMT
+            Not After : Feb  1 17:18:52 2052 GMT
+        Subject: CN=srv01.crt01.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:12:a1:7b:0f:79:f2:29:f5:8f:6a:06:d0:28:83:
+                    14:43:8f:19:4c:29:91:36:30:0f:06:a6:56:e7:57:
+                    9b:58:2c:9e:fc:9c:a3:4e:f6:e3:6f:90:40:d5:09:
+                    fd:94:96:8e:14:68:74:6f:e8:a7:a7:ab:8c:35:96:
+                    f2:d6:8f:5d:97:5d:d1:b9:22:5b:ef:31:15:a1:e1:
+                    eb:6d:6f:af:b1:2f:80:e5:a5:a9:38:f2:6f:f9:65:
+                    14:70:a7:a5:ac:e1:1a
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv01.crt01.example.com, IP Address:10.53.0.1, IP Address:FD92:7065:B8E:FFFF:0:0:0:1
+    Signature Algorithm: sha256WithRSAEncryption
+         79:0f:08:ab:18:cc:f9:7a:bd:47:21:99:a1:a3:76:04:7f:d7:
+         08:33:91:49:3d:2d:fc:8d:ff:c5:c1:8d:b8:70:05:65:32:cd:
+         e2:26:21:49:19:66:a2:94:4f:42:7d:83:3c:4f:ed:c1:87:89:
+         5b:73:2c:64:64:67:29:f5:73:83:23:72:b7:a8:2e:d6:9a:de:
+         13:0c:ba:35:d3:38:b1:c4:51:7d:81:fc:25:ca:a6:d9:d2:fa:
+         bb:6d:1f:a4:61:90:50:2d:8a:ed:70:1a:eb:56:2f:fc:7b:f3:
+         76:df:68:8d:e8:a4:7d:82:b9:5c:c6:cb:d8:06:f7:78:dc:a7:
+         94:35:d4:83:98:28:51:36:1c:73:47:e4:5b:32:d2:cd:de:1c:
+         44:f6:de:37:8a:46:d0:14:8d:71:e5:10:22:b1:f9:73:f7:1b:
+         4f:82:e1:a1:00:73:18:17:71:a2:bf:a2:0c:59:aa:43:58:46:
+         82:f8:38:c4:5a:5a:9f:13:d7:a9:54:1f:58:9b:5d:52:16:d3:
+         a0:ba:6b:aa:cf:68:3a:d1:12:9c:94:ac:78:6b:7e:bc:69:6c:
+         75:07:5d:fb:68:cd:e8:8d:bb:8c:b0:7c:6c:9e:f6:a5:7c:32:
+         74:ef:c5:b1:1f:1d:ec:7b:2f:79:c0:3b:52:60:9b:48:89:09:
+         b4:46:34:69:d3:7b:1b:15:ef:0c:dd:64:1d:58:fe:a7:0b:b1:
+         9d:28:1f:1e:9e:3c:c0:b1:a6:38:ab:9d:54:24:0e:75:6c:9e:
+         90:13:b9:39:dc:43:fe:37:e3:14:0f:78:7e:2b:56:a2:d2:60:
+         51:57:88:3b:4c:cf:24:67:36:77:21:bb:c8:07:eb:48:f7:b0:
+         1e:e4:99:61:84:15:bb:61:3a:21:55:df:31:43:67:73:8f:6b:
+         e9:04:83:be:2d:8b:94:39:89:cf:40:d5:04:f7:6b:c9:c6:8c:
+         6e:36:0f:5d:7a:9b:57:86:36:76:2c:75:35:47:50:ed:9a:84:
+         7e:37:83:b5:21:a2
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/certs/srv01.crt02-no-san.example.com.key b/bin/tests/system/doth/CA/certs/srv01.crt02-no-san.example.com.key
new file mode 100644
index 0000000..db770c1
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.crt02-no-san.example.com.key
@@ -0,0 +1,6 @@
+-----BEGIN PRIVATE KEY-----
+MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDC3sc7RaI9GyH5Z1e0D
+WcccNjr43zpavmMqA8bcS9dBBjkiEdvGH47r3EIXTjp0f46hZANiAASjLTP9kpDc
+A+82+aSokPFHab7ojmUI2uWzgmMcr5o3tHV8zkb7GRe8kHJPdLZFOfeWs0SFHK1q
+26R2hu6OJz33YXjf4QSK65GLAWe2aTJUUBxWhtov7+Q9lLr3WwIUtRM=
+-----END PRIVATE KEY-----
diff --git a/bin/tests/system/doth/CA/certs/srv01.crt02-no-san.example.com.pem b/bin/tests/system/doth/CA/certs/srv01.crt02-no-san.example.com.pem
new file mode 100644
index 0000000..65f0f9f
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.crt02-no-san.example.com.pem
@@ -0,0 +1,64 @@
+Certificate:
+    Data:
+        Version: 1 (0x0)
+        Serial Number: 7760573232607207426 (0x6bb3183cdef52002)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb  8 17:21:43 2022 GMT
+            Not After : Feb  1 17:21:43 2052 GMT
+        Subject: CN=srv01.crt02-no-san.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:a3:2d:33:fd:92:90:dc:03:ef:36:f9:a4:a8:90:
+                    f1:47:69:be:e8:8e:65:08:da:e5:b3:82:63:1c:af:
+                    9a:37:b4:75:7c:ce:46:fb:19:17:bc:90:72:4f:74:
+                    b6:45:39:f7:96:b3:44:85:1c:ad:6a:db:a4:76:86:
+                    ee:8e:27:3d:f7:61:78:df:e1:04:8a:eb:91:8b:01:
+                    67:b6:69:32:54:50:1c:56:86:da:2f:ef:e4:3d:94:
+                    ba:f7:5b:02:14:b5:13
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+    Signature Algorithm: sha256WithRSAEncryption
+         07:20:2a:a6:7a:52:52:ba:1e:b7:79:cf:e6:11:9c:ca:3f:43:
+         2b:f3:d7:2e:74:74:57:81:a1:aa:e6:68:c9:fd:d1:a8:a6:5b:
+         a2:ff:ea:f7:f0:b7:46:dc:a0:5a:64:5f:ce:e7:0f:76:63:14:
+         6d:c2:51:4b:30:ea:51:7e:4a:1b:d3:b2:f8:c2:3d:3f:c1:bf:
+         ad:db:4d:f8:28:31:e7:75:ae:84:37:90:00:e5:0b:6b:dc:23:
+         98:69:d5:ef:ce:e2:0d:e7:19:f1:31:01:1f:2a:6c:23:a3:94:
+         62:7a:bf:b3:b0:13:d0:62:fc:a5:a6:0d:52:bb:f4:31:ff:f3:
+         ce:3a:74:66:30:7f:29:04:8d:34:90:7a:9b:8f:da:82:2e:5c:
+         81:dd:af:fa:3a:a1:4e:bb:0a:4c:62:01:40:39:67:9c:29:27:
+         6e:2f:76:81:2d:33:68:ee:ee:ed:00:7f:12:7a:af:43:00:7b:
+         2d:34:8a:26:9a:66:1c:e5:96:17:7c:f8:6d:1e:8c:17:39:ce:
+         4f:0b:9e:40:72:e1:5e:33:3f:9e:84:b5:07:f5:ab:58:d7:37:
+         ed:d0:29:ad:ce:02:0d:fa:6f:96:a9:0e:6c:6e:32:d2:dc:11:
+         23:a3:4a:60:54:b4:98:31:db:8f:4b:4c:58:64:39:4f:ff:27:
+         d0:02:e5:cc:b2:17:e8:46:dc:aa:cb:dc:3d:ed:14:52:ec:6d:
+         a6:cd:04:2f:fd:54:16:6c:7e:63:34:17:f1:1d:b8:37:dd:20:
+         6c:f6:21:19:6f:bb:62:dd:bc:6c:41:34:ad:b1:90:eb:2a:e0:
+         63:ea:70:60:6a:02:e8:fe:46:51:b1:9d:3c:54:54:73:25:b7:
+         41:d1:4c:34:aa:88:48:b8:01:21:ae:d8:d3:06:38:05:65:78:
+         e7:38:f0:f6:e6:2e:61:c0:42:5e:3b:09:59:eb:09:48:4d:55:
+         7c:af:f4:de:c1:09:a0:b4:60:f7:9e:a2:d5:46:fc:05:61:69:
+         e0:c1:2d:26:dc:42
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/certs/srv01.crt03-expired.example.com.key b/bin/tests/system/doth/CA/certs/srv01.crt03-expired.example.com.key
new file mode 100644
index 0000000..caef1f0
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.crt03-expired.example.com.key
@@ -0,0 +1,6 @@
+-----BEGIN PRIVATE KEY-----
+MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDAtAQNSdzyxR3sm6gyx
+2Ob3SNCsYvdsE6+gobSUJWYbdus0CCFBIN6Qpms9oc0hAgqhZANiAAQf1Xurc7Jw
+Ff0zJgJcdhaADHB9V4N1rDy3SgJGNcEbwXq9vvIEmn9pg39UmhsQYtdwve8mkFFQ
+EHdWtxovRF6RRjbhLqRMZy5iqH8aFRBEaIsY6s+4lgm/tTrR7xCPn7s=
+-----END PRIVATE KEY-----
diff --git a/bin/tests/system/doth/CA/certs/srv01.crt03-expired.example.com.pem b/bin/tests/system/doth/CA/certs/srv01.crt03-expired.example.com.pem
new file mode 100644
index 0000000..4befde4
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv01.crt03-expired.example.com.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207430 (0x6bb3183cdef52006)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Aug 15 08:00:00 2012 GMT
+            Not After : Aug 15 09:00:00 2012 GMT
+        Subject: CN=srv01.crt03-expired.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:1f:d5:7b:ab:73:b2:70:15:fd:33:26:02:5c:76:
+                    16:80:0c:70:7d:57:83:75:ac:3c:b7:4a:02:46:35:
+                    c1:1b:c1:7a:bd:be:f2:04:9a:7f:69:83:7f:54:9a:
+                    1b:10:62:d7:70:bd:ef:26:90:51:50:10:77:56:b7:
+                    1a:2f:44:5e:91:46:36:e1:2e:a4:4c:67:2e:62:a8:
+                    7f:1a:15:10:44:68:8b:18:ea:cf:b8:96:09:bf:b5:
+                    3a:d1:ef:10:8f:9f:bb
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv01.crt03-expired.example.com, IP Address:10.53.0.1, IP Address:FD92:7065:B8E:FFFF:0:0:0:1
+    Signature Algorithm: sha256WithRSAEncryption
+         25:35:08:f6:e7:f0:83:81:be:65:31:1b:78:a8:04:84:fe:6a:
+         2a:1a:5d:c1:73:20:88:08:11:d8:27:be:a5:8e:3c:df:e2:a6:
+         19:c5:41:40:ea:01:91:85:99:8d:17:4e:4d:9a:3c:03:f9:78:
+         4c:8a:20:41:5e:96:d6:64:83:2f:b2:fe:e7:77:09:f9:91:bd:
+         22:1a:57:8b:f6:24:bc:7b:48:2b:2e:14:b7:32:bd:46:91:99:
+         5e:21:9a:d3:15:a7:27:e1:c0:3a:c7:f5:f9:94:3f:6d:14:7e:
+         0b:02:bf:05:d9:ac:10:8a:7e:b0:37:36:cd:cb:4a:b4:e1:01:
+         c7:04:8d:83:f3:c6:79:ff:ff:6c:f0:a4:bf:3c:12:61:ea:15:
+         ac:30:62:26:e3:c3:4e:7d:5c:68:d8:88:de:35:8d:44:75:8c:
+         a8:c1:0d:07:67:b5:d0:42:43:41:1f:39:a0:47:35:46:d7:0f:
+         89:aa:e8:d3:86:45:9a:fb:33:01:06:23:64:53:24:48:5b:69:
+         fa:cf:d9:81:fb:5e:7e:7b:82:65:56:c6:46:65:5c:e1:4f:f2:
+         3c:09:3c:28:5f:c9:e3:a5:24:e3:7b:aa:b5:b1:8a:6a:b2:02:
+         32:5f:24:05:f1:67:c8:54:17:0c:cd:ca:3d:e4:44:3e:23:3a:
+         7c:63:b6:f9:61:3a:21:e7:8f:27:ad:c3:26:86:39:49:6c:41:
+         40:7f:1d:48:69:8d:db:6f:42:e4:09:fe:24:62:bd:8e:2e:54:
+         25:f0:14:c2:d8:43:95:09:2e:5f:72:4f:43:b5:9a:8b:bb:8c:
+         44:c6:77:c9:05:fb:1a:9f:d7:b6:a6:42:d9:5c:3d:a5:09:0f:
+         9e:e0:c7:06:32:f1:ff:c9:53:5e:42:d4:2a:33:ad:06:ea:ec:
+         b0:26:d3:3c:ef:65:af:15:8e:7b:20:49:ad:f1:56:ef:17:6b:
+         fc:f4:d8:7c:82:9f:30:19:d0:bc:9c:79:e2:dc:9d:a7:f9:6b:
+         6f:65:ae:21:a0:94
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/certs/srv02.crt01.example.com.key b/bin/tests/system/doth/CA/certs/srv02.crt01.example.com.key
new file mode 100644
index 0000000..cf495c1
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv02.crt01.example.com.key
@@ -0,0 +1,6 @@
+-----BEGIN PRIVATE KEY-----
+MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDC/rdGBnhOuZ8hc7fUO
+6v0LO2xd2LMjTS0TCb0pVwsccYN/f6OxWJtu0uGSt0DaN6ihZANiAARD1PvMuIhg
+lRaqKtAxlss+qFzkdqzBv807ZYW7LMv6w0g8g8gI7txZFZciuEIXjHUJ+T62nPLF
+2122impDSAqi3RPCNuRzs2RUebv41H5I9AW+DHdjAf5PMLCqYrzy7fk=
+-----END PRIVATE KEY-----
diff --git a/bin/tests/system/doth/CA/certs/srv02.crt01.example.com.pem b/bin/tests/system/doth/CA/certs/srv02.crt01.example.com.pem
new file mode 100644
index 0000000..d061c2c
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv02.crt01.example.com.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207427 (0x6bb3183cdef52003)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb  8 17:57:59 2022 GMT
+            Not After : Feb  1 17:57:59 2052 GMT
+        Subject: CN=srv02.crt01.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:43:d4:fb:cc:b8:88:60:95:16:aa:2a:d0:31:96:
+                    cb:3e:a8:5c:e4:76:ac:c1:bf:cd:3b:65:85:bb:2c:
+                    cb:fa:c3:48:3c:83:c8:08:ee:dc:59:15:97:22:b8:
+                    42:17:8c:75:09:f9:3e:b6:9c:f2:c5:db:5d:b6:8a:
+                    6a:43:48:0a:a2:dd:13:c2:36:e4:73:b3:64:54:79:
+                    bb:f8:d4:7e:48:f4:05:be:0c:77:63:01:fe:4f:30:
+                    b0:aa:62:bc:f2:ed:f9
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv02.crt01.example.com, IP Address:10.53.0.2, IP Address:FD92:7065:B8E:FFFF:0:0:0:2
+    Signature Algorithm: sha256WithRSAEncryption
+         89:ba:ae:4f:f8:3e:da:48:1f:5c:8f:ff:ee:d8:42:b0:0b:9b:
+         f1:b5:e2:90:c9:76:40:09:77:a3:31:d5:73:8f:eb:7d:69:94:
+         1c:2b:10:31:da:d4:0c:29:e7:80:4e:61:53:ba:15:9d:e1:e8:
+         0c:0d:19:77:2b:a8:74:46:e3:03:ae:ab:96:ea:af:80:c3:18:
+         e0:93:8e:e9:58:0e:79:47:98:a4:06:95:6b:8f:2c:d1:f7:29:
+         b1:98:85:e8:a4:9c:45:52:ad:c8:60:20:dc:3a:6a:40:78:15:
+         d1:b4:d0:c3:c5:f3:ac:fe:ec:d3:94:ef:66:0b:d7:8c:46:f3:
+         62:30:c4:c2:78:65:de:40:4e:d8:26:84:8e:18:a7:71:f2:b7:
+         65:d8:d0:c2:c8:e6:a0:fb:ea:01:de:2f:03:8a:50:3d:f6:6c:
+         0b:ef:ce:f5:25:1f:80:54:3e:c2:6d:2c:d3:2b:bd:23:b7:3b:
+         82:6b:91:7f:ea:ff:e6:11:37:d3:f0:d4:db:9f:32:ac:12:cc:
+         ec:25:25:81:58:16:18:90:73:c3:ad:7c:09:a7:08:99:16:ce:
+         e8:6c:4b:9a:e6:09:96:11:c2:f1:cf:19:43:a6:a6:81:f2:57:
+         21:fa:b1:91:58:39:76:17:89:32:4c:4b:df:fa:59:03:b2:32:
+         b4:b3:95:89:af:f4:5e:94:b1:df:e9:bf:21:73:14:06:5d:08:
+         1e:0f:d2:84:14:44:20:91:19:72:b9:38:0b:3c:2e:4f:ea:3a:
+         9b:ef:93:61:e7:36:82:df:49:e2:d7:45:ea:87:45:1d:74:36:
+         18:f4:aa:30:d5:65:da:1f:c7:98:61:ab:64:2a:49:98:64:a1:
+         8c:33:3a:a5:97:4a:69:a6:9d:6f:00:b9:6b:81:8d:09:0f:98:
+         63:0f:85:ae:e4:21:70:a3:da:5a:27:eb:df:6d:82:ac:bb:48:
+         6b:01:4e:36:95:5a:d3:f0:b9:30:43:72:87:af:41:7a:30:13:
+         f2:92:15:f1:69:e7
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/certs/srv03.crt01.example.com.key b/bin/tests/system/doth/CA/certs/srv03.crt01.example.com.key
new file mode 100644
index 0000000..72f8a40
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv03.crt01.example.com.key
@@ -0,0 +1,6 @@
+-----BEGIN PRIVATE KEY-----
+MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDBMJxQaJB76ywjBuhZI
+LUz05LQuwmDBAFeZFqe10HG+r0cZvVw4Cr5M7jr2RVLqKRChZANiAARF27kbN2W/
+saGKWjkAjUoVO0OauC//qH2Zg6ic3LbCqp/4UaEOLpcPkBMiTIvx/zxr65EpfUzf
+fAXdrepKTK0K1m+OUbCIWEKILBbURx24j7NODRLfTBT2JyA/lJojgUg=
+-----END PRIVATE KEY-----
diff --git a/bin/tests/system/doth/CA/certs/srv03.crt01.example.com.pem b/bin/tests/system/doth/CA/certs/srv03.crt01.example.com.pem
new file mode 100644
index 0000000..39b48ee
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv03.crt01.example.com.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207428 (0x6bb3183cdef52004)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb  8 17:58:15 2022 GMT
+            Not After : Feb  1 17:58:15 2052 GMT
+        Subject: CN=srv03.crt01.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:45:db:b9:1b:37:65:bf:b1:a1:8a:5a:39:00:8d:
+                    4a:15:3b:43:9a:b8:2f:ff:a8:7d:99:83:a8:9c:dc:
+                    b6:c2:aa:9f:f8:51:a1:0e:2e:97:0f:90:13:22:4c:
+                    8b:f1:ff:3c:6b:eb:91:29:7d:4c:df:7c:05:dd:ad:
+                    ea:4a:4c:ad:0a:d6:6f:8e:51:b0:88:58:42:88:2c:
+                    16:d4:47:1d:b8:8f:b3:4e:0d:12:df:4c:14:f6:27:
+                    20:3f:94:9a:23:81:48
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv03.crt01.example.com, IP Address:10.53.0.3, IP Address:FD92:7065:B8E:FFFF:0:0:0:3
+    Signature Algorithm: sha256WithRSAEncryption
+         8f:96:88:82:94:76:8e:97:b6:75:8b:e9:2b:4f:f3:8f:14:5c:
+         50:00:ca:67:96:9e:2e:bd:53:25:25:40:6d:c5:56:e6:1a:f6:
+         cb:fb:58:fc:b3:56:9d:fc:0b:e2:8e:99:7e:e8:e6:ad:b6:e7:
+         e6:3e:8a:59:ef:3e:76:a4:ed:7b:58:fd:a3:4b:aa:4e:11:e1:
+         57:bf:b1:23:a5:a1:00:f8:95:07:c8:7d:ee:ac:a7:c8:24:ee:
+         cf:e8:c5:a4:9f:96:27:c9:47:c1:7d:11:de:66:d0:6d:d1:8d:
+         e7:8f:a0:0f:46:d9:2e:70:f3:9f:ac:6a:b0:3f:5a:dc:70:d4:
+         b9:a5:f3:ff:5c:21:50:5d:c2:a2:46:26:25:2a:2f:8a:aa:7a:
+         fd:76:31:5f:e0:25:a3:ee:df:36:f0:ab:05:a1:5d:0d:3c:6b:
+         2c:1d:d5:c5:73:9c:a0:57:1f:c4:26:e6:dc:a1:7c:25:08:21:
+         61:28:e2:b3:f5:51:83:20:73:14:19:8f:47:79:69:bc:2b:22:
+         f2:17:62:1d:83:f7:4f:a9:c4:51:68:e0:a9:d7:9f:17:6a:d2:
+         fd:f7:04:ce:a4:f5:8e:eb:31:b4:bf:c6:2d:da:0c:70:6e:0c:
+         a5:75:21:54:3c:f6:3d:36:b8:8a:d8:b6:7b:77:7e:54:1d:9f:
+         91:8f:02:a6:d1:2c:a7:30:d1:cc:e6:d9:6b:76:80:15:4b:ba:
+         fd:55:20:cc:b2:99:85:57:60:11:97:c5:e7:28:50:a6:17:af:
+         d2:bd:1b:7e:06:48:7f:63:dc:70:f8:3f:22:9f:41:a1:66:f5:
+         a7:81:99:cb:07:0e:8a:9a:bb:12:f6:c0:fe:59:0c:00:37:15:
+         b2:9d:f0:f9:93:d1:1a:b6:f8:0a:6b:bd:9e:92:32:45:f5:a2:
+         44:f0:45:8d:1a:d0:10:b2:db:98:c4:c7:5e:c1:e8:f3:94:33:
+         6c:06:f5:1a:cc:51:23:72:ae:37:2f:57:d4:f8:ac:1f:25:b4:
+         d3:bf:99:9b:ac:fc
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/certs/srv04.crt01.example.com.key b/bin/tests/system/doth/CA/certs/srv04.crt01.example.com.key
new file mode 100644
index 0000000..5356fc1
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv04.crt01.example.com.key
@@ -0,0 +1,6 @@
+-----BEGIN PRIVATE KEY-----
+MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDDq5a0oiMxJiOdwaSmk
+U2NPPJXOWPZVWpIGxB0kczGcCS6Xq0VinNqLe5YI9M1YwXehZANiAASeQ9fMKeGO
+SzWhj7ePMA9Ws1t/wGKbIyFwsSvnc/nqOAFmS1JDMc8QaRW/awjzaQc/mbu4cNA7
+iSId8iVCWj5VkcP8tL7HLYZRFMSr/nxUNGfHXtuGhMxm61SvnX3czhg=
+-----END PRIVATE KEY-----
diff --git a/bin/tests/system/doth/CA/certs/srv04.crt01.example.com.pem b/bin/tests/system/doth/CA/certs/srv04.crt01.example.com.pem
new file mode 100644
index 0000000..b4e2d22
--- /dev/null
+++ b/bin/tests/system/doth/CA/certs/srv04.crt01.example.com.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207429 (0x6bb3183cdef52005)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb  8 17:59:14 2022 GMT
+            Not After : Feb  1 17:59:14 2052 GMT
+        Subject: CN=srv04.crt01.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:9e:43:d7:cc:29:e1:8e:4b:35:a1:8f:b7:8f:30:
+                    0f:56:b3:5b:7f:c0:62:9b:23:21:70:b1:2b:e7:73:
+                    f9:ea:38:01:66:4b:52:43:31:cf:10:69:15:bf:6b:
+                    08:f3:69:07:3f:99:bb:b8:70:d0:3b:89:22:1d:f2:
+                    25:42:5a:3e:55:91:c3:fc:b4:be:c7:2d:86:51:14:
+                    c4:ab:fe:7c:54:34:67:c7:5e:db:86:84:cc:66:eb:
+                    54:af:9d:7d:dc:ce:18
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv04.crt01.example.com, IP Address:10.53.0.4, IP Address:FD92:7065:B8E:FFFF:0:0:0:4
+    Signature Algorithm: sha256WithRSAEncryption
+         48:b5:38:59:79:e6:51:a6:ea:80:d7:d1:3c:29:03:70:31:e4:
+         43:b4:e3:09:e7:e1:37:8c:d0:0f:2a:19:7a:f2:5a:6d:76:cd:
+         17:7a:66:1c:3e:74:56:24:b8:29:06:55:b2:1c:af:9a:42:05:
+         93:a4:70:cb:a5:68:85:ab:71:53:da:d9:29:a3:f4:2a:1e:df:
+         0c:ec:7d:52:55:fa:9b:e6:a0:18:d5:4c:da:e6:d2:60:da:bc:
+         09:5b:13:53:6d:c7:d2:30:b9:a8:a5:02:7f:a3:66:28:34:93:
+         de:55:a0:de:b5:c8:dc:43:7b:b9:03:06:1f:ce:8c:5f:82:d8:
+         af:40:56:ce:f8:b9:d4:73:1c:ae:c9:cb:1d:0f:a2:52:71:9b:
+         8b:05:f4:d6:0b:1e:a8:db:0f:29:a0:43:b5:2f:56:09:d8:68:
+         58:9c:e5:6a:df:38:91:56:9d:44:e5:d2:ca:9a:b1:41:a1:01:
+         0c:68:a0:f5:0a:f7:98:4f:d5:a0:6f:99:59:a0:e0:cb:49:57:
+         26:20:09:5a:fa:c2:75:40:f6:1b:6a:ac:55:47:50:8d:38:81:
+         61:79:44:e7:d5:d1:b3:c7:3b:db:ec:44:59:ef:e1:82:31:a3:
+         38:4c:de:40:11:31:52:8b:bb:1c:af:be:ce:c5:2b:f5:0d:c0:
+         60:13:fb:7e:da:22:41:d4:85:5e:4d:ba:db:f8:f7:26:61:32:
+         26:fe:fe:9e:37:a3:cc:25:3b:3c:c8:b5:a7:a5:5c:d9:4d:8f:
+         a8:f2:86:98:79:b3:00:08:0f:f2:c9:1f:c6:3f:07:ad:e4:a7:
+         8d:86:3d:15:fa:5b:1a:0f:96:67:b6:0a:78:0a:bb:6e:05:a6:
+         54:29:48:b4:f9:48:0d:7f:f0:13:65:32:2f:c5:ee:ab:b8:e8:
+         0d:b2:f9:c9:96:d2:cf:51:a2:64:3c:58:0f:65:6f:c6:99:93:
+         76:2c:42:08:d9:f3:f3:13:cd:41:b6:67:8f:1d:9a:2f:da:93:
+         3d:26:4c:9a:11:c1
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/index.txt b/bin/tests/system/doth/CA/index.txt
new file mode 100644
index 0000000..230127d
--- /dev/null
+++ b/bin/tests/system/doth/CA/index.txt
@@ -0,0 +1,9 @@
+V	20520201171852Z		6BB3183CDEF52001	unknown	/CN=srv01.crt01.example.com
+V	20520201172143Z		6BB3183CDEF52002	unknown	/CN=srv01.crt02-no-san.example.com
+V	20520201175759Z		6BB3183CDEF52003	unknown	/CN=srv02.crt01.example.com
+V	20520201175815Z		6BB3183CDEF52004	unknown	/CN=srv03.crt01.example.com
+V	20520201175914Z		6BB3183CDEF52005	unknown	/CN=srv04.crt01.example.com
+V	120815090000Z		6BB3183CDEF52006	unknown	/CN=srv01.crt03-expired.example.com
+V	20520203174420Z		6BB3183CDEF52007	unknown	/CN=srv01.client01.example.com
+V	20520204132112Z		6BB3183CDEF52008	unknown	/CN=srv01.client02-ns2.example.com
+V	120814060000Z		6BB3183CDEF52009	unknown	/CN=srv01.client03-ns2-expired.example.com
diff --git a/bin/tests/system/doth/CA/index.txt.attr b/bin/tests/system/doth/CA/index.txt.attr
new file mode 100644
index 0000000..8f7e63a
--- /dev/null
+++ b/bin/tests/system/doth/CA/index.txt.attr
@@ -0,0 +1 @@
+unique_subject = yes
diff --git a/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52001.pem b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52001.pem
new file mode 100644
index 0000000..8671dd3
--- /dev/null
+++ b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52001.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207425 (0x6bb3183cdef52001)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb  8 17:18:52 2022 GMT
+            Not After : Feb  1 17:18:52 2052 GMT
+        Subject: CN=srv01.crt01.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:12:a1:7b:0f:79:f2:29:f5:8f:6a:06:d0:28:83:
+                    14:43:8f:19:4c:29:91:36:30:0f:06:a6:56:e7:57:
+                    9b:58:2c:9e:fc:9c:a3:4e:f6:e3:6f:90:40:d5:09:
+                    fd:94:96:8e:14:68:74:6f:e8:a7:a7:ab:8c:35:96:
+                    f2:d6:8f:5d:97:5d:d1:b9:22:5b:ef:31:15:a1:e1:
+                    eb:6d:6f:af:b1:2f:80:e5:a5:a9:38:f2:6f:f9:65:
+                    14:70:a7:a5:ac:e1:1a
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv01.crt01.example.com, IP Address:10.53.0.1, IP Address:FD92:7065:B8E:FFFF:0:0:0:1
+    Signature Algorithm: sha256WithRSAEncryption
+         79:0f:08:ab:18:cc:f9:7a:bd:47:21:99:a1:a3:76:04:7f:d7:
+         08:33:91:49:3d:2d:fc:8d:ff:c5:c1:8d:b8:70:05:65:32:cd:
+         e2:26:21:49:19:66:a2:94:4f:42:7d:83:3c:4f:ed:c1:87:89:
+         5b:73:2c:64:64:67:29:f5:73:83:23:72:b7:a8:2e:d6:9a:de:
+         13:0c:ba:35:d3:38:b1:c4:51:7d:81:fc:25:ca:a6:d9:d2:fa:
+         bb:6d:1f:a4:61:90:50:2d:8a:ed:70:1a:eb:56:2f:fc:7b:f3:
+         76:df:68:8d:e8:a4:7d:82:b9:5c:c6:cb:d8:06:f7:78:dc:a7:
+         94:35:d4:83:98:28:51:36:1c:73:47:e4:5b:32:d2:cd:de:1c:
+         44:f6:de:37:8a:46:d0:14:8d:71:e5:10:22:b1:f9:73:f7:1b:
+         4f:82:e1:a1:00:73:18:17:71:a2:bf:a2:0c:59:aa:43:58:46:
+         82:f8:38:c4:5a:5a:9f:13:d7:a9:54:1f:58:9b:5d:52:16:d3:
+         a0:ba:6b:aa:cf:68:3a:d1:12:9c:94:ac:78:6b:7e:bc:69:6c:
+         75:07:5d:fb:68:cd:e8:8d:bb:8c:b0:7c:6c:9e:f6:a5:7c:32:
+         74:ef:c5:b1:1f:1d:ec:7b:2f:79:c0:3b:52:60:9b:48:89:09:
+         b4:46:34:69:d3:7b:1b:15:ef:0c:dd:64:1d:58:fe:a7:0b:b1:
+         9d:28:1f:1e:9e:3c:c0:b1:a6:38:ab:9d:54:24:0e:75:6c:9e:
+         90:13:b9:39:dc:43:fe:37:e3:14:0f:78:7e:2b:56:a2:d2:60:
+         51:57:88:3b:4c:cf:24:67:36:77:21:bb:c8:07:eb:48:f7:b0:
+         1e:e4:99:61:84:15:bb:61:3a:21:55:df:31:43:67:73:8f:6b:
+         e9:04:83:be:2d:8b:94:39:89:cf:40:d5:04:f7:6b:c9:c6:8c:
+         6e:36:0f:5d:7a:9b:57:86:36:76:2c:75:35:47:50:ed:9a:84:
+         7e:37:83:b5:21:a2
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52002.pem b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52002.pem
new file mode 100644
index 0000000..65f0f9f
--- /dev/null
+++ b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52002.pem
@@ -0,0 +1,64 @@
+Certificate:
+    Data:
+        Version: 1 (0x0)
+        Serial Number: 7760573232607207426 (0x6bb3183cdef52002)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb  8 17:21:43 2022 GMT
+            Not After : Feb  1 17:21:43 2052 GMT
+        Subject: CN=srv01.crt02-no-san.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:a3:2d:33:fd:92:90:dc:03:ef:36:f9:a4:a8:90:
+                    f1:47:69:be:e8:8e:65:08:da:e5:b3:82:63:1c:af:
+                    9a:37:b4:75:7c:ce:46:fb:19:17:bc:90:72:4f:74:
+                    b6:45:39:f7:96:b3:44:85:1c:ad:6a:db:a4:76:86:
+                    ee:8e:27:3d:f7:61:78:df:e1:04:8a:eb:91:8b:01:
+                    67:b6:69:32:54:50:1c:56:86:da:2f:ef:e4:3d:94:
+                    ba:f7:5b:02:14:b5:13
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+    Signature Algorithm: sha256WithRSAEncryption
+         07:20:2a:a6:7a:52:52:ba:1e:b7:79:cf:e6:11:9c:ca:3f:43:
+         2b:f3:d7:2e:74:74:57:81:a1:aa:e6:68:c9:fd:d1:a8:a6:5b:
+         a2:ff:ea:f7:f0:b7:46:dc:a0:5a:64:5f:ce:e7:0f:76:63:14:
+         6d:c2:51:4b:30:ea:51:7e:4a:1b:d3:b2:f8:c2:3d:3f:c1:bf:
+         ad:db:4d:f8:28:31:e7:75:ae:84:37:90:00:e5:0b:6b:dc:23:
+         98:69:d5:ef:ce:e2:0d:e7:19:f1:31:01:1f:2a:6c:23:a3:94:
+         62:7a:bf:b3:b0:13:d0:62:fc:a5:a6:0d:52:bb:f4:31:ff:f3:
+         ce:3a:74:66:30:7f:29:04:8d:34:90:7a:9b:8f:da:82:2e:5c:
+         81:dd:af:fa:3a:a1:4e:bb:0a:4c:62:01:40:39:67:9c:29:27:
+         6e:2f:76:81:2d:33:68:ee:ee:ed:00:7f:12:7a:af:43:00:7b:
+         2d:34:8a:26:9a:66:1c:e5:96:17:7c:f8:6d:1e:8c:17:39:ce:
+         4f:0b:9e:40:72:e1:5e:33:3f:9e:84:b5:07:f5:ab:58:d7:37:
+         ed:d0:29:ad:ce:02:0d:fa:6f:96:a9:0e:6c:6e:32:d2:dc:11:
+         23:a3:4a:60:54:b4:98:31:db:8f:4b:4c:58:64:39:4f:ff:27:
+         d0:02:e5:cc:b2:17:e8:46:dc:aa:cb:dc:3d:ed:14:52:ec:6d:
+         a6:cd:04:2f:fd:54:16:6c:7e:63:34:17:f1:1d:b8:37:dd:20:
+         6c:f6:21:19:6f:bb:62:dd:bc:6c:41:34:ad:b1:90:eb:2a:e0:
+         63:ea:70:60:6a:02:e8:fe:46:51:b1:9d:3c:54:54:73:25:b7:
+         41:d1:4c:34:aa:88:48:b8:01:21:ae:d8:d3:06:38:05:65:78:
+         e7:38:f0:f6:e6:2e:61:c0:42:5e:3b:09:59:eb:09:48:4d:55:
+         7c:af:f4:de:c1:09:a0:b4:60:f7:9e:a2:d5:46:fc:05:61:69:
+         e0:c1:2d:26:dc:42
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52003.pem b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52003.pem
new file mode 100644
index 0000000..d061c2c
--- /dev/null
+++ b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52003.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207427 (0x6bb3183cdef52003)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb  8 17:57:59 2022 GMT
+            Not After : Feb  1 17:57:59 2052 GMT
+        Subject: CN=srv02.crt01.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:43:d4:fb:cc:b8:88:60:95:16:aa:2a:d0:31:96:
+                    cb:3e:a8:5c:e4:76:ac:c1:bf:cd:3b:65:85:bb:2c:
+                    cb:fa:c3:48:3c:83:c8:08:ee:dc:59:15:97:22:b8:
+                    42:17:8c:75:09:f9:3e:b6:9c:f2:c5:db:5d:b6:8a:
+                    6a:43:48:0a:a2:dd:13:c2:36:e4:73:b3:64:54:79:
+                    bb:f8:d4:7e:48:f4:05:be:0c:77:63:01:fe:4f:30:
+                    b0:aa:62:bc:f2:ed:f9
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv02.crt01.example.com, IP Address:10.53.0.2, IP Address:FD92:7065:B8E:FFFF:0:0:0:2
+    Signature Algorithm: sha256WithRSAEncryption
+         89:ba:ae:4f:f8:3e:da:48:1f:5c:8f:ff:ee:d8:42:b0:0b:9b:
+         f1:b5:e2:90:c9:76:40:09:77:a3:31:d5:73:8f:eb:7d:69:94:
+         1c:2b:10:31:da:d4:0c:29:e7:80:4e:61:53:ba:15:9d:e1:e8:
+         0c:0d:19:77:2b:a8:74:46:e3:03:ae:ab:96:ea:af:80:c3:18:
+         e0:93:8e:e9:58:0e:79:47:98:a4:06:95:6b:8f:2c:d1:f7:29:
+         b1:98:85:e8:a4:9c:45:52:ad:c8:60:20:dc:3a:6a:40:78:15:
+         d1:b4:d0:c3:c5:f3:ac:fe:ec:d3:94:ef:66:0b:d7:8c:46:f3:
+         62:30:c4:c2:78:65:de:40:4e:d8:26:84:8e:18:a7:71:f2:b7:
+         65:d8:d0:c2:c8:e6:a0:fb:ea:01:de:2f:03:8a:50:3d:f6:6c:
+         0b:ef:ce:f5:25:1f:80:54:3e:c2:6d:2c:d3:2b:bd:23:b7:3b:
+         82:6b:91:7f:ea:ff:e6:11:37:d3:f0:d4:db:9f:32:ac:12:cc:
+         ec:25:25:81:58:16:18:90:73:c3:ad:7c:09:a7:08:99:16:ce:
+         e8:6c:4b:9a:e6:09:96:11:c2:f1:cf:19:43:a6:a6:81:f2:57:
+         21:fa:b1:91:58:39:76:17:89:32:4c:4b:df:fa:59:03:b2:32:
+         b4:b3:95:89:af:f4:5e:94:b1:df:e9:bf:21:73:14:06:5d:08:
+         1e:0f:d2:84:14:44:20:91:19:72:b9:38:0b:3c:2e:4f:ea:3a:
+         9b:ef:93:61:e7:36:82:df:49:e2:d7:45:ea:87:45:1d:74:36:
+         18:f4:aa:30:d5:65:da:1f:c7:98:61:ab:64:2a:49:98:64:a1:
+         8c:33:3a:a5:97:4a:69:a6:9d:6f:00:b9:6b:81:8d:09:0f:98:
+         63:0f:85:ae:e4:21:70:a3:da:5a:27:eb:df:6d:82:ac:bb:48:
+         6b:01:4e:36:95:5a:d3:f0:b9:30:43:72:87:af:41:7a:30:13:
+         f2:92:15:f1:69:e7
+-----BEGIN CERTIFICATE-----
+MIIDMzCCAZugAwIBAgIIa7MYPN71IAMwDQYJKoZIhvcNAQELBQAwfTELMAkGA1UE
+BhMCVUExGDAWBgNVBAgMD0toYXJraXYgT2JsYXN0JzEQMA4GA1UEBwwHS2hhcmtp
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+fkj0Bb4Md2MB/k8wsKpivPLt+aM+MDwwOgYDVR0RBDMwMYIXc3J2MDIuY3J0MDEu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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52004.pem b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52004.pem
new file mode 100644
index 0000000..39b48ee
--- /dev/null
+++ b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52004.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207428 (0x6bb3183cdef52004)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb  8 17:58:15 2022 GMT
+            Not After : Feb  1 17:58:15 2052 GMT
+        Subject: CN=srv03.crt01.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:45:db:b9:1b:37:65:bf:b1:a1:8a:5a:39:00:8d:
+                    4a:15:3b:43:9a:b8:2f:ff:a8:7d:99:83:a8:9c:dc:
+                    b6:c2:aa:9f:f8:51:a1:0e:2e:97:0f:90:13:22:4c:
+                    8b:f1:ff:3c:6b:eb:91:29:7d:4c:df:7c:05:dd:ad:
+                    ea:4a:4c:ad:0a:d6:6f:8e:51:b0:88:58:42:88:2c:
+                    16:d4:47:1d:b8:8f:b3:4e:0d:12:df:4c:14:f6:27:
+                    20:3f:94:9a:23:81:48
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv03.crt01.example.com, IP Address:10.53.0.3, IP Address:FD92:7065:B8E:FFFF:0:0:0:3
+    Signature Algorithm: sha256WithRSAEncryption
+         8f:96:88:82:94:76:8e:97:b6:75:8b:e9:2b:4f:f3:8f:14:5c:
+         50:00:ca:67:96:9e:2e:bd:53:25:25:40:6d:c5:56:e6:1a:f6:
+         cb:fb:58:fc:b3:56:9d:fc:0b:e2:8e:99:7e:e8:e6:ad:b6:e7:
+         e6:3e:8a:59:ef:3e:76:a4:ed:7b:58:fd:a3:4b:aa:4e:11:e1:
+         57:bf:b1:23:a5:a1:00:f8:95:07:c8:7d:ee:ac:a7:c8:24:ee:
+         cf:e8:c5:a4:9f:96:27:c9:47:c1:7d:11:de:66:d0:6d:d1:8d:
+         e7:8f:a0:0f:46:d9:2e:70:f3:9f:ac:6a:b0:3f:5a:dc:70:d4:
+         b9:a5:f3:ff:5c:21:50:5d:c2:a2:46:26:25:2a:2f:8a:aa:7a:
+         fd:76:31:5f:e0:25:a3:ee:df:36:f0:ab:05:a1:5d:0d:3c:6b:
+         2c:1d:d5:c5:73:9c:a0:57:1f:c4:26:e6:dc:a1:7c:25:08:21:
+         61:28:e2:b3:f5:51:83:20:73:14:19:8f:47:79:69:bc:2b:22:
+         f2:17:62:1d:83:f7:4f:a9:c4:51:68:e0:a9:d7:9f:17:6a:d2:
+         fd:f7:04:ce:a4:f5:8e:eb:31:b4:bf:c6:2d:da:0c:70:6e:0c:
+         a5:75:21:54:3c:f6:3d:36:b8:8a:d8:b6:7b:77:7e:54:1d:9f:
+         91:8f:02:a6:d1:2c:a7:30:d1:cc:e6:d9:6b:76:80:15:4b:ba:
+         fd:55:20:cc:b2:99:85:57:60:11:97:c5:e7:28:50:a6:17:af:
+         d2:bd:1b:7e:06:48:7f:63:dc:70:f8:3f:22:9f:41:a1:66:f5:
+         a7:81:99:cb:07:0e:8a:9a:bb:12:f6:c0:fe:59:0c:00:37:15:
+         b2:9d:f0:f9:93:d1:1a:b6:f8:0a:6b:bd:9e:92:32:45:f5:a2:
+         44:f0:45:8d:1a:d0:10:b2:db:98:c4:c7:5e:c1:e8:f3:94:33:
+         6c:06:f5:1a:cc:51:23:72:ae:37:2f:57:d4:f8:ac:1f:25:b4:
+         d3:bf:99:9b:ac:fc
+-----BEGIN CERTIFICATE-----
+MIIDMzCCAZugAwIBAgIIa7MYPN71IAQwDQYJKoZIhvcNAQELBQAwfTELMAkGA1UE
+BhMCVUExGDAWBgNVBAgMD0toYXJraXYgT2JsYXN0JzEQMA4GA1UEBwwHS2hhcmtp
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+tsKqn/hRoQ4ulw+QEyJMi/H/PGvrkSl9TN98Bd2t6kpMrQrWb45RsIhYQogsFtRH
+HbiPs04NEt9MFPYnID+UmiOBSKM+MDwwOgYDVR0RBDMwMYIXc3J2MDMuY3J0MDEu
+ZXhhbXBsZS5jb22HBAo1AAOHEP2ScGULjv//AAAAAAAAAAMwDQYJKoZIhvcNAQEL
+BQADggGBAI+WiIKUdo6XtnWL6StP848UXFAAymeWni69UyUlQG3FVuYa9sv7WPyz
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+7s/oxaSflifJR8F9Ed5m0G3RjeePoA9G2S5w85+sarA/Wtxw1Lml8/9cIVBdwqJG
+JiUqL4qqev12MV/gJaPu3zbwqwWhXQ08aywd1cVznKBXH8Qm5tyhfCUIIWEo4rP1
+UYMgcxQZj0d5abwrIvIXYh2D90+pxFFo4KnXnxdq0v33BM6k9Y7rMbS/xi3aDHBu
+DKV1IVQ89j02uIrYtnt3flQdn5GPAqbRLKcw0czm2Wt2gBVLuv1VIMyymYVXYBGX
+xecoUKYXr9K9G34GSH9j3HD4PyKfQaFm9aeBmcsHDoqauxL2wP5ZDAA3FbKd8PmT
+0Rq2+AprvZ6SMkX1okTwRY0a0BCy25jEx17B6POUM2wG9RrMUSNyrjcvV9T4rB8l
+tNO/mZus/A==
+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52005.pem b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52005.pem
new file mode 100644
index 0000000..b4e2d22
--- /dev/null
+++ b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52005.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207429 (0x6bb3183cdef52005)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb  8 17:59:14 2022 GMT
+            Not After : Feb  1 17:59:14 2052 GMT
+        Subject: CN=srv04.crt01.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:9e:43:d7:cc:29:e1:8e:4b:35:a1:8f:b7:8f:30:
+                    0f:56:b3:5b:7f:c0:62:9b:23:21:70:b1:2b:e7:73:
+                    f9:ea:38:01:66:4b:52:43:31:cf:10:69:15:bf:6b:
+                    08:f3:69:07:3f:99:bb:b8:70:d0:3b:89:22:1d:f2:
+                    25:42:5a:3e:55:91:c3:fc:b4:be:c7:2d:86:51:14:
+                    c4:ab:fe:7c:54:34:67:c7:5e:db:86:84:cc:66:eb:
+                    54:af:9d:7d:dc:ce:18
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv04.crt01.example.com, IP Address:10.53.0.4, IP Address:FD92:7065:B8E:FFFF:0:0:0:4
+    Signature Algorithm: sha256WithRSAEncryption
+         48:b5:38:59:79:e6:51:a6:ea:80:d7:d1:3c:29:03:70:31:e4:
+         43:b4:e3:09:e7:e1:37:8c:d0:0f:2a:19:7a:f2:5a:6d:76:cd:
+         17:7a:66:1c:3e:74:56:24:b8:29:06:55:b2:1c:af:9a:42:05:
+         93:a4:70:cb:a5:68:85:ab:71:53:da:d9:29:a3:f4:2a:1e:df:
+         0c:ec:7d:52:55:fa:9b:e6:a0:18:d5:4c:da:e6:d2:60:da:bc:
+         09:5b:13:53:6d:c7:d2:30:b9:a8:a5:02:7f:a3:66:28:34:93:
+         de:55:a0:de:b5:c8:dc:43:7b:b9:03:06:1f:ce:8c:5f:82:d8:
+         af:40:56:ce:f8:b9:d4:73:1c:ae:c9:cb:1d:0f:a2:52:71:9b:
+         8b:05:f4:d6:0b:1e:a8:db:0f:29:a0:43:b5:2f:56:09:d8:68:
+         58:9c:e5:6a:df:38:91:56:9d:44:e5:d2:ca:9a:b1:41:a1:01:
+         0c:68:a0:f5:0a:f7:98:4f:d5:a0:6f:99:59:a0:e0:cb:49:57:
+         26:20:09:5a:fa:c2:75:40:f6:1b:6a:ac:55:47:50:8d:38:81:
+         61:79:44:e7:d5:d1:b3:c7:3b:db:ec:44:59:ef:e1:82:31:a3:
+         38:4c:de:40:11:31:52:8b:bb:1c:af:be:ce:c5:2b:f5:0d:c0:
+         60:13:fb:7e:da:22:41:d4:85:5e:4d:ba:db:f8:f7:26:61:32:
+         26:fe:fe:9e:37:a3:cc:25:3b:3c:c8:b5:a7:a5:5c:d9:4d:8f:
+         a8:f2:86:98:79:b3:00:08:0f:f2:c9:1f:c6:3f:07:ad:e4:a7:
+         8d:86:3d:15:fa:5b:1a:0f:96:67:b6:0a:78:0a:bb:6e:05:a6:
+         54:29:48:b4:f9:48:0d:7f:f0:13:65:32:2f:c5:ee:ab:b8:e8:
+         0d:b2:f9:c9:96:d2:cf:51:a2:64:3c:58:0f:65:6f:c6:99:93:
+         76:2c:42:08:d9:f3:f3:13:cd:41:b6:67:8f:1d:9a:2f:da:93:
+         3d:26:4c:9a:11:c1
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52006.pem b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52006.pem
new file mode 100644
index 0000000..4befde4
--- /dev/null
+++ b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52006.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207430 (0x6bb3183cdef52006)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Aug 15 08:00:00 2012 GMT
+            Not After : Aug 15 09:00:00 2012 GMT
+        Subject: CN=srv01.crt03-expired.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:1f:d5:7b:ab:73:b2:70:15:fd:33:26:02:5c:76:
+                    16:80:0c:70:7d:57:83:75:ac:3c:b7:4a:02:46:35:
+                    c1:1b:c1:7a:bd:be:f2:04:9a:7f:69:83:7f:54:9a:
+                    1b:10:62:d7:70:bd:ef:26:90:51:50:10:77:56:b7:
+                    1a:2f:44:5e:91:46:36:e1:2e:a4:4c:67:2e:62:a8:
+                    7f:1a:15:10:44:68:8b:18:ea:cf:b8:96:09:bf:b5:
+                    3a:d1:ef:10:8f:9f:bb
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv01.crt03-expired.example.com, IP Address:10.53.0.1, IP Address:FD92:7065:B8E:FFFF:0:0:0:1
+    Signature Algorithm: sha256WithRSAEncryption
+         25:35:08:f6:e7:f0:83:81:be:65:31:1b:78:a8:04:84:fe:6a:
+         2a:1a:5d:c1:73:20:88:08:11:d8:27:be:a5:8e:3c:df:e2:a6:
+         19:c5:41:40:ea:01:91:85:99:8d:17:4e:4d:9a:3c:03:f9:78:
+         4c:8a:20:41:5e:96:d6:64:83:2f:b2:fe:e7:77:09:f9:91:bd:
+         22:1a:57:8b:f6:24:bc:7b:48:2b:2e:14:b7:32:bd:46:91:99:
+         5e:21:9a:d3:15:a7:27:e1:c0:3a:c7:f5:f9:94:3f:6d:14:7e:
+         0b:02:bf:05:d9:ac:10:8a:7e:b0:37:36:cd:cb:4a:b4:e1:01:
+         c7:04:8d:83:f3:c6:79:ff:ff:6c:f0:a4:bf:3c:12:61:ea:15:
+         ac:30:62:26:e3:c3:4e:7d:5c:68:d8:88:de:35:8d:44:75:8c:
+         a8:c1:0d:07:67:b5:d0:42:43:41:1f:39:a0:47:35:46:d7:0f:
+         89:aa:e8:d3:86:45:9a:fb:33:01:06:23:64:53:24:48:5b:69:
+         fa:cf:d9:81:fb:5e:7e:7b:82:65:56:c6:46:65:5c:e1:4f:f2:
+         3c:09:3c:28:5f:c9:e3:a5:24:e3:7b:aa:b5:b1:8a:6a:b2:02:
+         32:5f:24:05:f1:67:c8:54:17:0c:cd:ca:3d:e4:44:3e:23:3a:
+         7c:63:b6:f9:61:3a:21:e7:8f:27:ad:c3:26:86:39:49:6c:41:
+         40:7f:1d:48:69:8d:db:6f:42:e4:09:fe:24:62:bd:8e:2e:54:
+         25:f0:14:c2:d8:43:95:09:2e:5f:72:4f:43:b5:9a:8b:bb:8c:
+         44:c6:77:c9:05:fb:1a:9f:d7:b6:a6:42:d9:5c:3d:a5:09:0f:
+         9e:e0:c7:06:32:f1:ff:c9:53:5e:42:d4:2a:33:ad:06:ea:ec:
+         b0:26:d3:3c:ef:65:af:15:8e:7b:20:49:ad:f1:56:ef:17:6b:
+         fc:f4:d8:7c:82:9f:30:19:d0:bc:9c:79:e2:dc:9d:a7:f9:6b:
+         6f:65:ae:21:a0:94
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52007.pem b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52007.pem
new file mode 100644
index 0000000..0b4c115
--- /dev/null
+++ b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52007.pem
@@ -0,0 +1,68 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207431 (0x6bb3183cdef52007)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb 10 17:44:20 2022 GMT
+            Not After : Feb  3 17:44:20 2052 GMT
+        Subject: CN=srv01.client01.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:5e:93:6a:7a:da:75:cc:64:08:e4:f8:f9:2f:2b:
+                    85:36:ee:e1:df:fa:cd:4c:60:f1:44:b5:16:7b:f9:
+                    03:cf:a0:08:67:6f:ae:27:a3:95:8a:68:1e:63:ab:
+                    cf:2e:20:62:52:e7:8c:3e:1e:ef:de:0d:69:64:65:
+                    b6:e4:df:fe:1a:48:f8:68:75:84:83:11:fb:81:59:
+                    0e:c1:96:48:7f:24:da:11:dd:ac:cb:0a:c5:09:78:
+                    24:31:3a:df:37:e6:b3
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv01.client01.example.com
+    Signature Algorithm: sha256WithRSAEncryption
+         82:bd:eb:8f:4e:a5:d2:46:c7:d8:70:3c:34:1d:58:43:1b:81:
+         16:5d:c2:b0:76:4b:a9:f2:10:14:23:e4:ef:dc:59:03:b6:7f:
+         b0:40:34:e5:d0:82:4b:95:a6:07:9a:45:51:94:cf:08:c2:4e:
+         c9:44:d5:f3:b6:ed:f2:a0:01:94:ad:e0:0e:0f:ab:85:6f:35:
+         4b:07:c8:97:25:fb:69:ff:a1:99:bc:ec:70:6c:51:b5:32:95:
+         e9:c9:45:cf:45:e2:c5:5e:b1:59:a2:e1:f2:83:c8:87:68:c4:
+         60:e2:db:50:6c:18:64:1b:9a:9a:cc:7c:e7:fd:d9:f2:b7:d1:
+         de:1d:ec:29:c9:58:db:7b:9a:a1:06:9a:ce:36:a0:45:10:dc:
+         7d:81:24:21:34:30:4c:71:f9:fc:96:37:d6:cf:0d:9d:11:12:
+         c7:62:bc:19:5b:79:e5:e0:37:e8:17:36:4b:13:af:fa:2c:2e:
+         36:d9:be:53:e1:c3:f9:bc:94:a6:7a:97:14:99:36:f9:14:38:
+         11:20:3a:2a:9d:fd:64:63:d0:a2:8f:f0:99:a9:02:ca:57:48:
+         d2:7d:65:44:b6:85:a0:38:ec:e8:19:7e:c2:48:e3:1d:22:53:
+         cf:3b:d4:0a:98:e1:72:62:ec:8b:01:3f:5a:ea:26:2c:8c:16:
+         c3:80:5a:c2:5d:40:c5:65:1c:e2:9a:e3:d6:65:16:ee:dc:17:
+         30:d8:26:87:92:d0:ef:c7:72:07:99:86:05:9e:49:35:41:33:
+         b9:bb:cb:1b:25:50:70:85:e3:0f:c7:b9:b2:37:00:1b:87:a2:
+         47:97:34:5b:cd:dc:66:22:e5:de:25:ec:57:fe:37:75:2c:03:
+         10:f4:d4:a7:cc:f5:4b:0b:ff:eb:d3:a6:78:2e:cd:8f:65:51:
+         a7:8c:ef:83:67:ec:94:13:c2:1f:74:74:55:7c:a3:0b:b7:2f:
+         80:5a:62:04:1d:a2:c0:c1:de:b2:7d:31:3b:a1:fa:f7:40:a7:
+         bd:12:25:95:5b:8b
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52008.pem b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52008.pem
new file mode 100644
index 0000000..1b43bbd
--- /dev/null
+++ b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52008.pem
@@ -0,0 +1,68 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207432 (0x6bb3183cdef52008)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Feb 11 13:21:12 2022 GMT
+            Not After : Feb  4 13:21:12 2052 GMT
+        Subject: CN=srv01.client02-ns2.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:e6:45:fa:57:12:6c:59:10:23:8b:7a:5c:76:33:
+                    eb:3b:41:fa:b7:1c:90:b3:2f:33:2d:45:7b:e3:e5:
+                    b6:a5:a2:a2:a4:14:f4:50:9d:b0:c6:38:ba:e9:45:
+                    65:a4:65:b9:10:32:2f:93:9b:d5:d8:cf:b4:29:5b:
+                    dc:4e:c8:ec:a6:9f:58:76:24:f4:c5:d1:48:55:52:
+                    eb:5d:b0:85:93:85:ee:3e:b8:c4:b1:cd:08:59:95:
+                    12:ff:7b:9b:ee:6a:b9
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv01.client02-ns2.example.com
+    Signature Algorithm: sha256WithRSAEncryption
+         43:ec:0f:62:17:f6:f4:90:3b:7c:36:21:f2:18:94:a6:42:51:
+         1e:1d:2a:43:8f:05:b7:8d:3c:ca:f0:20:2f:65:4b:be:48:ad:
+         6a:0a:cc:2d:1f:d6:27:1d:af:4a:36:86:ed:0d:03:75:c5:71:
+         ec:58:9b:ec:f9:0f:e4:83:ef:6f:91:da:20:73:47:ac:e7:c7:
+         8b:22:b2:d1:6e:a0:b0:d6:1c:4c:70:1e:74:08:1d:7f:61:06:
+         e5:be:f3:e8:c4:15:60:e2:b0:02:9b:f0:13:af:76:5b:a8:c7:
+         91:2c:10:5f:0d:32:89:51:5a:7f:17:1b:7c:c6:46:97:ee:e7:
+         bb:8a:48:38:a2:52:d4:ff:3b:1c:ec:4a:a9:8c:a5:23:3a:04:
+         bb:d7:b8:ad:5b:69:7f:1d:be:ca:96:e0:eb:56:05:43:ee:c8:
+         ff:2c:48:03:00:c6:c2:ac:fc:4e:15:47:86:c5:33:ed:70:f6:
+         98:bc:0b:07:b9:5b:1a:ec:fd:3c:bf:26:61:68:fc:db:02:55:
+         07:ae:76:0e:be:ff:c5:b8:56:fb:52:54:a4:b1:2d:64:b4:1d:
+         55:02:4f:da:06:bd:26:e4:22:d2:94:1f:7e:29:c4:97:10:d1:
+         75:7d:41:53:be:46:52:70:b1:d9:ff:bb:9f:96:19:e3:a0:ba:
+         d0:4a:5a:8d:da:22:73:89:f0:4c:e6:18:80:53:be:bd:64:56:
+         6a:c9:58:71:40:66:9e:4a:3e:31:3b:74:9e:6e:6a:f5:65:ca:
+         93:06:52:00:74:65:a0:3a:eb:2e:56:56:d2:a5:4b:0e:85:17:
+         25:78:cb:f3:f9:53:7b:85:f9:82:15:87:bc:36:70:b5:69:64:
+         48:11:79:b9:2c:2e:cc:09:fd:0f:b0:b7:cd:97:3b:c7:0f:49:
+         1a:fc:15:49:d6:1c:a9:dc:14:ff:44:d2:be:5a:36:00:66:0c:
+         d5:b8:bf:16:9e:60:27:79:c0:f5:b4:ff:2f:af:8c:b2:49:75:
+         61:44:05:1a:e8:cd
+-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52009.pem b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52009.pem
new file mode 100644
index 0000000..99e4a71
--- /dev/null
+++ b/bin/tests/system/doth/CA/newcerts/6BB3183CDEF52009.pem
@@ -0,0 +1,69 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 7760573232607207433 (0x6bb3183cdef52009)
+        Signature Algorithm: sha256WithRSAEncryption
+        Issuer: C=UA, ST=Kharkiv Oblast', L=Kharkiv, O=Internet Systems Consortium, CN=ca.test.example.com
+        Validity
+            Not Before: Aug 14 05:00:00 2012 GMT
+            Not After : Aug 14 06:00:00 2012 GMT
+        Subject: CN=srv01.client03-ns2-expired.example.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (384 bit)
+                pub:
+                    04:38:9a:9b:c2:6a:82:a6:d1:50:8a:78:7a:d1:be:
+                    61:be:d4:b6:d3:d6:a2:02:97:a4:48:50:c0:c5:1d:
+                    d8:2d:23:19:25:6e:91:02:1d:69:c2:77:d6:f1:a8:
+                    4f:4a:9a:1d:3c:69:5a:89:41:0a:f2:e0:64:57:1b:
+                    0e:9e:df:9f:4c:7b:3c:42:dc:21:c8:2c:95:ab:b3:
+                    4c:5f:56:c4:70:ee:8a:a4:e4:46:c4:9e:98:f5:c8:
+                    7b:b2:73:d7:45:93:f0
+                ASN1 OID: secp384r1
+                NIST CURVE: P-384
+        X509v3 extensions:
+            X509v3 Subject Alternative Name:
+                DNS:srv01.client03-ns2-expired.example.com
+    Signature Algorithm: sha256WithRSAEncryption
+         38:12:1f:5f:26:b6:8e:9b:3f:77:89:5a:b8:e8:46:78:c3:d6:
+         f0:0c:67:5f:d5:a3:9c:f6:f2:0a:ae:9c:87:74:9f:a3:5b:8a:
+         27:58:47:e5:78:1a:e9:db:b5:cc:28:a7:f8:18:e3:e7:20:43:
+         cf:82:06:5d:a1:d0:82:ab:15:be:86:46:1e:e6:4d:ad:78:a4:
+         16:6c:99:41:3d:29:21:c8:6b:9d:3d:4a:cd:93:37:1f:1c:88:
+         c7:ae:b6:7c:73:42:57:57:32:9d:e8:c6:e2:3e:da:12:57:3e:
+         c8:56:4a:bb:d4:01:fc:8e:30:8d:19:fe:61:3d:5e:02:64:65:
+         a2:46:b3:6e:ea:f9:cb:4e:f0:b9:f6:bc:6b:38:10:19:d0:93:
+         f8:f7:d9:4c:d2:87:2c:7f:dc:f5:00:c6:29:dd:00:5e:d2:f4:
+         df:52:fb:7a:5a:ad:98:36:77:72:1f:01:ed:48:91:48:16:2d:
+         35:a5:15:21:98:ff:7e:5d:a1:45:c9:5f:9d:c2:3e:e5:98:e2:
+         ee:ce:4d:18:76:3d:8a:0a:64:9b:f1:19:9d:b6:82:af:1b:15:
+         d3:48:69:f1:9b:67:76:1b:41:8e:1d:69:d5:31:64:95:01:41:
+         73:c1:a9:29:53:6b:f3:29:ad:e0:96:52:8e:3e:8d:c1:8e:d8:
+         b5:0c:94:5f:a2:6c:3c:0f:3e:5b:10:af:21:00:74:d0:b7:30:
+         6c:44:fb:3d:09:46:8d:1d:e6:c2:e4:0a:5b:f4:eb:e1:71:c7:
+         d5:36:13:90:05:fe:65:16:61:24:b5:41:f2:10:bd:2c:c3:34:
+         69:15:25:d1:32:f2:b3:d7:da:23:1b:e9:5b:33:63:43:c8:dc:
+         68:f2:31:b5:93:0e:64:ea:9a:45:36:9f:96:44:38:1e:4e:d8:
+         45:ba:37:68:06:4d:da:d4:16:d3:3e:77:86:4e:8d:58:d6:06:
+         a8:60:11:4d:d9:81:f3:85:2b:ee:58:50:6e:ea:2b:f7:84:00:
+         9c:ec:a1:90:d4:94
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/CA/private/CA.key b/bin/tests/system/doth/CA/private/CA.key
new file mode 100644
index 0000000..2d5419d
--- /dev/null
+++ b/bin/tests/system/doth/CA/private/CA.key
@@ -0,0 +1,39 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIG5AIBAAKCAYEAouoRHoAc6VCmxNTU6Ge7s+xDFGO0wXJJIsP+8nUyyjWvGCOC
+aQYLhb1kLA2NHRhSSKFcMh8jcd7Hlvy6CAec1j2dsWzryy3HgPrdjWaW3PfBO41D
+lUtdt8hA/p6pX2YwqvWbdK/3s8J0LY5xRZKNZnFOB/Sb4PGiIJ1NgMRO/M3IlPQm
+PO/faRRTU4SI26KCPKFW342826Zi88YwOd6w5mQU4fskk5TGtlNqE+Fj40ZbWVpy
+VXoEUS6RveRp020NX5CQG49SLtdF05AnnsATqmgNVCXptGuqW8uaHRONeGO3NBEy
+nJmibWBDUMjtCCcGVgyrVXuTkyAJJWpImnshUwgMNYebRwmC2iVv2LtsJS5eUTUH
+EWffnFl55XU2PkyNYgY35gA4y3SiWFJYV8+5FibU4ut0nb+lmHBF8WlqcU/kd3tp
+Gkf0exjqOIHZFqV9bIhpUbXhxx9v9+gkkGQ9nrXE1KRlvigxxUeIK5xHy9a7fVIL
+wo6WuCnLLJmbVkklAgMBAAECggGBAI5ZV3v/FUQIZK+4CBDKEwizeClotZgR9DWc
+bDgOj8KABe5hmKGL1qWVRuH3NUYm6j7sP1LMQnxM3LjhOuupOzE3xYIyWhW+eoQI
+r23OJiQNl5ohZNweblUXdTMGD5h8AipfUOY0m4tGbZ0gyXixBTxt5HCvG0UB3VgC
+GqZY4Wujo5ADhSXZsqxuRiDDvZGr/YBcuTu87Tg/ulam5ZyrKIcnC9gpSVxqsva9
+DAMy/cSoxUjd7ukhJISK3G3AF3fV4GSslQcJTlyJ2D3+LnqPuHJKYTI4hc46lN3x
+E2g24GdSCPYf6SoEPwACXtbavV8TXwQPJrHN+f+0/ePCI4jkYe5NoA3gwVgMb/WB
+wFchxzVh3V4e8tPGiG+ofKl81DSAW8VZCJLUIbTEce9oxafPT78WJxdC0wWbh5S8
+V/qN6sW/yWnK3oY9SilWhJGRwKOZ+8xtStaDeCzyCaOqEcWi8ZR0QfC33UozlhdC
+SrMKnOXmn/rUuXGrVR56IzIl0M7YAQKBwQDM3GJDdlFuHn6L0syKYdHDS8gXD9ke
+s+ochIP6jvkEPcayaEoZGl8s7RT3iztqXod7wLaZdotktxfDAZnJfeuOcVrCu+Bx
+HLytnBvV6czMfp3REGgQAJQeusSgtlBCTHHVOsDzIjdnkY3WBa7IiFYWO5wnYrGx
+r3ucnwnHaUVDMj1r4YI7mYIpCuYQl6eGyW7mhWewyhVwoQXKbifdrXxjvOigL0Cp
+tgsoU9pql3hpphOaYMX6hLOincTfaMxfnCECgcEAy5UXp3dA0OwK+4iDGKr+cUpk
+AtGTheiE+8zEVh2KYFLt921mW/QZiB1+xtnkknp3c7u07Ugk8jAEXzCkwMnN5ZCx
+LrJ72fC+cLIAbRm6/vMMP8iz83wyttao4qNMeoOBBfE9rEiP+lrugpv282V3ZHYa
+IUZWTeugJbckUHTbD3RZQExmQcRVG3m/TzonBfoZ8HoRj/n3d7V2T911cHUhi8Xn
+RQIi2m63VofOIep86LgartlKneMWnL0oOPq4RKyFAoHAZUzpDkD4nUJZAx025Yrf
+ZfoYNEcy7vq6XmWsuX5vZoiBs4DcezNOMvH9NzdTJxMdXbV61cIHxcK/7j7hZABv
+NZ2Z6sdqgaRbLGIQZaPaEJjfwxygyKDwnY1vY6UjZNVWSMFn3hJiYUVZZKakuiao
+ow/Q9KzZ/2ot7tG5zTCh/ktekfUOKBiNg2wPPc8wGPeMblMzZflXxrzpFyOHdRev
+dcZZJbSX/hO1yrhEPgculNd5xBHsdCegiF4JlwvEW9bhAoHAZQQiy5bx03j8bhkr
+q6bVQFPAUmG5iL16lxLg7TYVPnyH1bk0DDaQIKk6CeN+dmxML2IZgY/FvWK0GKOj
+bIH2J43nTRuFNvwtEvBQI9KbpfvlvRSSriOXaoATJvoObdAoylEM4BrVTk2mgapw
+HA/h8Thk+NPU6S8ctPouC7ogJIf/7Va7erC35j0//0kEqgOSsW9wnXdUItMo1LI3
+nsiQD7Hwcp5/utErKcWTM+MNfdA0dUQesT9ILhfyCGvn2TOdAoHBAKldZkDyRcu9
+r9uDF1bhUEnpV2k4hgvTuCvQ3rzyx3WrVT8ChEmePC8Ke5A54ffu/YdbpDLbdf2c
+j4n5CQhHbMIZs3P2hB3WqDCImApCfMbXaltfBbaT0j7uLJPMp+2+f/wWYpc3R+bn
+HVnaRI2PoXXmG9OjQSQdVZ5gNpkEuemAo3dJOSS6BMqQaSxUynGy7o/a/d4izBjd
+B58Fwq3sZI/Xv90Se9+b6ICST3YJ3p0vn8RKzmlCQjLg/xynpCByiw==
+-----END RSA PRIVATE KEY-----
diff --git a/bin/tests/system/doth/CA/serial b/bin/tests/system/doth/CA/serial
new file mode 100644
index 0000000..a20b068
--- /dev/null
+++ b/bin/tests/system/doth/CA/serial
@@ -0,0 +1 @@
+6BB3183CDEF5200A
diff --git a/bin/tests/system/doth/README.curl b/bin/tests/system/doth/README.curl
new file mode 100644
index 0000000..475f20f
--- /dev/null
+++ b/bin/tests/system/doth/README.curl
@@ -0,0 +1,38 @@
+<!--
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+-->
+
+DoH query values that can be passed on the command line for testing
+with curl can be obtained by encoding binary DNS messages into
+base64url, with trailing '='s removed.
+
+For example:
+
+$ perl bin/tests/system/fromhex.pl << EOF | base64url
+    # Transaction ID
+    0001
+    # Standard query
+    0000
+    # Questions: 1, Additional: 0
+    0001 0000 0000 0000
+    # QNAME: example
+    07 6578616d706c65 00
+    # Type: SOA
+    0006
+    Class: IN
+    0001
+EOF
+
+This produces the string "AAEAAAABAAAAAAAAB2V4YW1wbGUAAAbFrMonAAE=". With
+the trailing '=' removed, this can then be passed to curl:
+
+curl "https://<server>/dns-query?dns=AAEAAAABAAAAAAAAB2V4YW1wbGUAAAbFrMonAAE"
diff --git a/bin/tests/system/doth/clean.sh b/bin/tests/system/doth/clean.sh
new file mode 100644
index 0000000..c81c6a1
--- /dev/null
+++ b/bin/tests/system/doth/clean.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after zone transfer tests.
+#
+
+rm -f ./*/named.conf
+rm -f ./*/named.memstats
+rm -f ./*/named.run
+rm -f ./*/named.run.prev
+rm -f ./dig.out.*
+rm -f ./gnutls-cli.*
+rm -f ./sslyze.log.*
+rm -f ./*/example*.db
+rm -rf ./headers.*
diff --git a/bin/tests/system/doth/conftest.py b/bin/tests/system/doth/conftest.py
new file mode 100644
index 0000000..813be14
--- /dev/null
+++ b/bin/tests/system/doth/conftest.py
@@ -0,0 +1,47 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import shutil
+import subprocess
+
+import pytest
+
+
+@pytest.fixture
+def gnutls_cli_executable():
+    # Ensure gnutls-cli is available.
+    executable = shutil.which("gnutls-cli")
+    if not executable:
+        pytest.skip("gnutls-cli not found in PATH")
+
+    # Ensure gnutls-cli supports the --logfile command-line option.
+    output = subprocess.run(
+        [executable, "--logfile=/dev/null"],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT,
+        check=False,
+    ).stdout
+    if b"illegal option" in output:
+        pytest.skip("gnutls-cli does not support the --logfile option")
+
+    return executable
+
+
+@pytest.fixture
+def sslyze_executable():
+    # Check whether sslyze is available.
+    executable = shutil.which("sslyze")
+    if not executable:
+        pytest.skip("sslyze not found in PATH")
+
+    return executable
diff --git a/bin/tests/system/doth/dhparam3072.pem b/bin/tests/system/doth/dhparam3072.pem
new file mode 100644
index 0000000..9c2e0aa
--- /dev/null
+++ b/bin/tests/system/doth/dhparam3072.pem
@@ -0,0 +1,11 @@
+-----BEGIN DH PARAMETERS-----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+-----END DH PARAMETERS-----
diff --git a/bin/tests/system/doth/example.axfr.good b/bin/tests/system/doth/example.axfr.good
new file mode 100644
index 0000000..539e58b
--- /dev/null
+++ b/bin/tests/system/doth/example.axfr.good
@@ -0,0 +1,2676 @@
+example.		86400	IN	SOA	ns2.example. hostmaster.example. 1397051952 5 5 1814400 3600
+example.		3600	IN	NS	ns2.example.
+a01.example.		3600	IN	A	0.0.0.0
+a02.example.		3600	IN	A	255.255.255.255
+a601.example.		3600	IN	A6	0 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+a601.example.		3600	IN	A6	64 ::ffff:ffff:ffff:ffff foo.
+a601.example.		3600	IN	A6	127 ::1 foo.
+a601.example.		3600	IN	A6	128  .
+aaaa01.example.		3600	IN	AAAA	::1
+aaaa02.example.		3600	IN	AAAA	fd92:7065:b8e:ffff::5
+afsdb01.example.	3600	IN	AFSDB	0 hostname.example.
+afsdb02.example.	3600	IN	AFSDB	65535 .
+amtrelay01.example.	3600	IN	AMTRELAY 0 0 0
+amtrelay02.example.	3600	IN	AMTRELAY 0 1 0
+amtrelay03.example.	3600	IN	AMTRELAY 0 0 1 0.0.0.0
+amtrelay04.example.	3600	IN	AMTRELAY 0 0 2 ::
+amtrelay05.example.	3600	IN	AMTRELAY 0 0 3 example.net.
+amtrelay06.example.	3600	IN	AMTRELAY \# 2 0004
+apl01.example.		3600	IN	APL	!1:10.0.0.1/32 1:10.0.0.0/24
+apl02.example.		3600	IN	APL
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+atma02.example.		3600	IN	ATMA	+61200000000
+atma03.example.		3600	IN	ATMA	1234567890abcdef
+atma04.example.		3600	IN	ATMA	fedcba0987654321
+avc.example.		3600	IN	AVC	"foo:bar"
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+biganswer.example.	3600	IN	A	10.10.49.27
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+biganswer.example.	3600	IN	A	10.10.49.38
+biganswer.example.	3600	IN	A	10.10.49.39
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+biganswer.example.	3600	IN	A	10.10.49.41
+biganswer.example.	3600	IN	A	10.10.49.42
+biganswer.example.	3600	IN	A	10.10.49.43
+biganswer.example.	3600	IN	A	10.10.49.44
+biganswer.example.	3600	IN	A	10.10.49.45
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+biganswer.example.	3600	IN	A	10.10.49.48
+biganswer.example.	3600	IN	A	10.10.49.49
+biganswer.example.	3600	IN	A	10.10.49.50
+biganswer.example.	3600	IN	A	10.10.50.1
+biganswer.example.	3600	IN	A	10.10.50.2
+biganswer.example.	3600	IN	A	10.10.50.3
+biganswer.example.	3600	IN	A	10.10.50.4
+biganswer.example.	3600	IN	A	10.10.50.5
+biganswer.example.	3600	IN	A	10.10.50.6
+biganswer.example.	3600	IN	A	10.10.50.7
+biganswer.example.	3600	IN	A	10.10.50.8
+biganswer.example.	3600	IN	A	10.10.50.9
+biganswer.example.	3600	IN	A	10.10.50.10
+biganswer.example.	3600	IN	A	10.10.50.11
+biganswer.example.	3600	IN	A	10.10.50.12
+biganswer.example.	3600	IN	A	10.10.50.13
+biganswer.example.	3600	IN	A	10.10.50.14
+biganswer.example.	3600	IN	A	10.10.50.15
+biganswer.example.	3600	IN	A	10.10.50.16
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+biganswer.example.	3600	IN	A	10.10.50.20
+biganswer.example.	3600	IN	A	10.10.50.21
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+biganswer.example.	3600	IN	A	10.10.50.23
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+biganswer.example.	3600	IN	A	10.10.50.25
+biganswer.example.	3600	IN	A	10.10.50.26
+biganswer.example.	3600	IN	A	10.10.50.27
+biganswer.example.	3600	IN	A	10.10.50.28
+biganswer.example.	3600	IN	A	10.10.50.29
+biganswer.example.	3600	IN	A	10.10.50.30
+biganswer.example.	3600	IN	A	10.10.50.31
+biganswer.example.	3600	IN	A	10.10.50.32
+biganswer.example.	3600	IN	A	10.10.50.33
+biganswer.example.	3600	IN	A	10.10.50.34
+biganswer.example.	3600	IN	A	10.10.50.35
+biganswer.example.	3600	IN	A	10.10.50.36
+biganswer.example.	3600	IN	A	10.10.50.37
+biganswer.example.	3600	IN	A	10.10.50.38
+biganswer.example.	3600	IN	A	10.10.50.39
+biganswer.example.	3600	IN	A	10.10.50.40
+biganswer.example.	3600	IN	A	10.10.50.41
+biganswer.example.	3600	IN	A	10.10.50.42
+biganswer.example.	3600	IN	A	10.10.50.43
+biganswer.example.	3600	IN	A	10.10.50.44
+biganswer.example.	3600	IN	A	10.10.50.45
+biganswer.example.	3600	IN	A	10.10.50.46
+biganswer.example.	3600	IN	A	10.10.50.47
+biganswer.example.	3600	IN	A	10.10.50.48
+biganswer.example.	3600	IN	A	10.10.50.49
+biganswer.example.	3600	IN	A	10.10.50.50
+caa01.example.		3600	IN	CAA	0 issue "ca.example.net; policy=ev"
+caa02.example.		3600	IN	CAA	128 tbs "Unknown"
+caa03.example.		3600	IN	CAA	128 tbs ""
+cdnskey01.example.	3600	IN	CDNSKEY	512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+cds01.example.		3600	IN	CDS	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+cert01.example.		3600	IN	CERT	65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+cname01.example.	3600	IN	CNAME	cname-target.
+cname02.example.	3600	IN	CNAME	cname-target.example.
+cname03.example.	3600	IN	CNAME	.
+csync01.example.	3600	IN	CSYNC	0 0 A NS AAAA
+csync02.example.	3600	IN	CSYNC	0 0
+dhcid01.example.	3600	IN	DHCID	AAIBY2/AuCccgoJbsaxcQc9TUapptP69lOjxfNuVAA2kjEA=
+dhcid02.example.	3600	IN	DHCID	AAEBOSD+XR3Os/0LozeXVqcNc7FwCfQdWL3b/NaiUDlW2No=
+dhcid03.example.	3600	IN	DHCID	AAABxLmlskllE0MVjd57zHcWmEH3pCQ6VytcKD//7es/deY=
+dlv.example.		3600	IN	DLV	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+dname01.example.	3600	IN	DNAME	dname-target.
+dname02.example.	3600	IN	DNAME	dname-target.example.
+dname03.example.	3600	IN	DNAME	.
+dnskey01.example.	3600	IN	DNSKEY	512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+doa01.example.		3600	IN	DOA	1234567890 1234567890 1 "image/gif" R0lGODlhKAAZAOMCAGZmZgBmmf///zOZzMz//5nM/zNmmWbM/5nMzMzMzACZ/////////////////////yH5BAEKAA8ALAAAAAAoABkAAATH8IFJK5U2a4337F5ogRkpnoCJrly7PrCKyh8c3HgAhzT35MDbbtO7/IJIHbGiOiaTxVTpSVWWLqNq1UVyapNS1wd3OAxug0LhnCubcVhsxysQnOt4ATpvvzHlFzl1AwODhWeFAgRpen5/UhheAYMFdUB4SFcpGEGGdQeCAqBBLTuSk30EeXd9pEsAbKGxjHqDSE0Sp6ixN4N1BJmbc7lIhmsBich1awPAjkY1SZR8bJWrz382SGqIBQQFQd4IsUTaX+ceuudPEQA7
+doa02.example.		3600	IN	DOA	0 1 2 "" aHR0cHM6Ly93d3cuaXNjLm9yZy8=
+ds01.example.		3600	IN	DS	12892 5 2 26584835CA80C81C91999F31CFAF2A0E89D4FF1C8FAFD0DDB31A85C7 19277C13
+ds01.example.		3600	IN	NS	ns42.example.
+ds02.example.		3600	IN	DS	12892 5 1 7AA4A3F416C2F2391FB7AB0D434F762CD62D1390
+ds02.example.		3600	IN	NS	ns43.example.
+eid01.example.		3600	IN	EID	1289AB
+eui48.example.		3600	IN	EUI48	01-23-45-67-89-ab
+eui64.example.		3600	IN	EUI64	01-23-45-67-89-ab-cd-ef
+gid01.example.		3600	IN	GID	\# 1 03
+gpos01.example.		3600	IN	GPOS	"-22.6882" "116.8652" "250.0"
+gpos02.example.		3600	IN	GPOS	"" "" ""
+hinfo01.example.	3600	IN	HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02.example.	3600	IN	HINFO	"PC" "NetBSD"
+hip1.example.		3600	IN	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D
+hip2.example.		3600	IN	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs.example.com.
+https0.example.		3600	IN	HTTPS	0 example.net.
+https1.example.		3600	IN	HTTPS	1 . port=60
+ipseckey01.example.	3600	IN	IPSECKEY 10 1 2 192.0.2.38 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey02.example.	3600	IN	IPSECKEY 10 0 2 . AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey03.example.	3600	IN	IPSECKEY 10 1 2 192.0.2.3 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey04.example.	3600	IN	IPSECKEY 10 3 2 mygateway.example.com. AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey05.example.	3600	IN	IPSECKEY 10 2 2 2001:db8:0:8002::2000:1 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+isdn01.example.		3600	IN	ISDN	"isdn-address"
+isdn02.example.		3600	IN	ISDN	"isdn-address" "subaddress"
+isdn03.example.		3600	IN	ISDN	"isdn-address"
+isdn04.example.		3600	IN	ISDN	"isdn-address" "subaddress"
+keydata.example.	3600	IN	TYPE65533 \# 0
+keydata.example.	3600	IN	TYPE65533 \# 6 010203040506
+keydata.example.	3600	IN	TYPE65533 \# 18 010203040506010203040506010203040506
+kx01.example.		3600	IN	KX	10 kdc.example.
+kx02.example.		3600	IN	KX	10 .
+l32.example.		3600	IN	L32	10 1.2.3.4
+l64.example.		3600	IN	L64	10 14:4fff:ff20:ee64
+loc01.example.		3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02.example.		3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+lp.example.		3600	IN	LP	10 example.net.
+mb01.example.		3600	IN	MG	madname.example.
+mb02.example.		3600	IN	MG	.
+mg01.example.		3600	IN	MG	mgmname.example.
+mg02.example.		3600	IN	MG	.
+minfo01.example.	3600	IN	MINFO	rmailbx.example. emailbx.example.
+minfo02.example.	3600	IN	MINFO	. .
+mr01.example.		3600	IN	MR	mrname.example.
+mr02.example.		3600	IN	MR	.
+mx01.example.		3600	IN	MX	10 mail.example.
+mx02.example.		3600	IN	MX	10 .
+naptr01.example.	3600	IN	NAPTR	0 0 "" "" "" .
+naptr02.example.	3600	IN	NAPTR	65535 65535 "blurgh" "blorf" "blllbb" foo.
+nid.example.		3600	IN	NID	10 14:4fff:ff20:ee64
+nimloc01.example.	3600	IN	NIMLOC	1289AB
+ninfo01.example.	3600	IN	NINFO	"foo"
+ninfo02.example.	3600	IN	NINFO	"foo" "bar"
+ninfo03.example.	3600	IN	NINFO	"foo"
+ninfo04.example.	3600	IN	NINFO	"foo" "bar"
+ninfo05.example.	3600	IN	NINFO	"foo bar"
+ninfo06.example.	3600	IN	NINFO	"foo bar"
+ninfo07.example.	3600	IN	NINFO	"foo bar"
+ninfo08.example.	3600	IN	NINFO	"foo\010bar"
+ninfo09.example.	3600	IN	NINFO	"foo\010bar"
+ninfo10.example.	3600	IN	NINFO	"foo bar"
+ninfo11.example.	3600	IN	NINFO	"\"foo\""
+ninfo12.example.	3600	IN	NINFO	"\"foo\""
+ninfo13.example.	3600	IN	NINFO	"foo;"
+ninfo14.example.	3600	IN	NINFO	"foo;"
+ninfo15.example.	3600	IN	NINFO	"bar\\;"
+ns2.example.		3600	IN	A	10.53.0.2
+nsap-ptr01.example.	3600	IN	NSAP-PTR foo.
+nsap-ptr01.example.	3600	IN	NSAP-PTR .
+nsap01.example.		3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02.example.		3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nsec01.example.		3600	IN	NSEC	a.secure.nil. NS SOA MX LOC RRSIG NSEC DNSKEY
+nsec02.example.		3600	IN	NSEC	. NSAP-PTR NSEC
+nsec03.example.		3600	IN	NSEC	. A
+nsec04.example.		3600	IN	NSEC	. TYPE127
+openpgpkey.example.	3600	IN	OPENPGPKEY AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+ptr01.example.		3600	IN	PTR	example.
+px01.example.		3600	IN	PX	65535 foo. bar.
+px02.example.		3600	IN	PX	65535 . .
+rkey01.example.		3600	IN	RKEY	0 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+rp01.example.		3600	IN	RP	mbox-dname.example. txt-dname.example.
+rp02.example.		3600	IN	RP	. .
+rrsig01.example.	3600	IN	RRSIG	NSEC 1 3 3600 20000102030405 19961211100908 2143 foo.nil. MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+rt01.example.		3600	IN	RT	0 intermediate-host.example.
+rt02.example.		3600	IN	RT	65535 .
+sink01.example.		3600	IN	SINK	1 0 0
+sink02.example.		3600	IN	SINK	8 0 2 l4ik
+smimea.example.		3600	IN	SMIMEA	1 1 2 92003BA34942DC74152E2F2C408D29ECA5A520E7F2E06BB944F4DCA3 46BAF63C1B177615D466F6C4B71C216A50292BD58C9EBDD2F74E38FE 51FFD48C43326CBC
+spf01.example.		3600	IN	SPF	"v=spf1 -all"
+spf02.example.		3600	IN	SPF	"v=spf1" " -all"
+srv01.example.		3600	IN	SRV	0 0 0 .
+srv02.example.		3600	IN	SRV	65535 65535 65535 old-slow-box.example.
+sshfp01.example.	3600	IN	SSHFP	4 2 C76D8329954DA2835751E371544E963EFDA099080D6C58DD2BFD9A31 6E162C83
+sshfp02.example.	3600	IN	SSHFP	1 2 BF29468C83AC58CCF8C85AB7B3BEB054ECF1E38512B8353AB36471FA 88961DCC
+svcb0.example.		3600	IN	SVCB	0 example.net.
+svcb1.example.		3600	IN	SVCB	1 . port=60
+ta.example.		3600	IN	TA	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+talink0.example.	3600	IN	TALINK	. talink1.example.
+talink1.example.	3600	IN	TALINK	talink0.example. talink2.example.
+talink2.example.	3600	IN	TALINK	talink2.example. .
+tlsa.example.		3600	IN	TLSA	1 1 2 92003BA34942DC74152E2F2C408D29ECA5A520E7F2E06BB944F4DCA3 46BAF63C1B177615D466F6C4B71C216A50292BD58C9EBDD2F74E38FE 51FFD48C43326CBC
+txt01.example.		3600	IN	TXT	"foo"
+txt02.example.		3600	IN	TXT	"foo" "bar"
+txt03.example.		3600	IN	TXT	"foo"
+txt04.example.		3600	IN	TXT	"foo" "bar"
+txt05.example.		3600	IN	TXT	"foo bar"
+txt06.example.		3600	IN	TXT	"foo bar"
+txt07.example.		3600	IN	TXT	"foo bar"
+txt08.example.		3600	IN	TXT	"foo\010bar"
+txt09.example.		3600	IN	TXT	"foo\010bar"
+txt10.example.		3600	IN	TXT	"foo bar"
+txt11.example.		3600	IN	TXT	"\"foo\""
+txt12.example.		3600	IN	TXT	"\"foo\""
+txt13.example.		3600	IN	TXT	"foo;"
+txt14.example.		3600	IN	TXT	"foo;"
+txt15.example.		3600	IN	TXT	"bar\\;"
+uid01.example.		3600	IN	UID	\# 1 02
+uinfo01.example.	3600	IN	UINFO	\# 1 01
+unspec01.example.	3600	IN	UNSPEC	\# 1 04
+uri01.example.		3600	IN	URI	10 20 "https://www.isc.org/"
+uri02.example.		3600	IN	URI	30 40 "https://www.isc.org/HolyCowThisSureIsAVeryLongURIRecordIDontEvenKnowWhatSomeoneWouldEverWantWithSuchAThingButTheSpecificationRequiresThatWesupportItSoHereWeGoTestingItLaLaLaLaLaLaLaSeriouslyThoughWhyWouldYouEvenConsiderUsingAURIThisLongItSeemsLikeASillyIdeaButEnhWhatAreYouGonnaDo/"
+uri03.example.		3600	IN	URI	30 40 ""
+wks01.example.		3600	IN	WKS	10.0.0.1 6 0 1 2 21 23
+wks02.example.		3600	IN	WKS	10.0.0.1 17 0 1 2 53
+wks03.example.		3600	IN	WKS	10.0.0.2 6 65535
+x2501.example.		3600	IN	X25	"123456789"
+zonemd01.example.	3600	IN	ZONEMD	2019020700 1 1 C220B8A6ED5728A971902F7E3D4FD93ADEEA88B0453C2E8E8C863D46 5AB06CF34EB95B266398C98B59124FA239CB7EEB
+zonemd02.example.	3600	IN	ZONEMD	2019020700 1 2 08CFA1115C7B948C4163A901270395EA226A930CD2CBCF2FA9A5E6EB 85F37C8A4E114D884E66F176EAB121CB02DB7D652E0CC4827E7A3204 F166B47E5613FD27
+8f1tmio9avcom2k0frp92lgcumak0cad.example. 3600 IN NSEC3	1 0 10 D2CF0294C020CE6C 8FPNS2UCT7FBS643THP2B77PEQ77K6IU A NS SOA MX AAAA RRSIG DNSKEY NSEC3PARAM
+kcd3juae64f9c5csl1kif1htaui7un0g.example. 3600 IN NSEC3	1 0 10 D2CF0294C020CE6C KD5MN2M20340DGO0BL7NTSB8JP4BSC7E
+mr5ukvsk1l37btu4q7b1dfevft4hkqdk.example. 3600 IN NSEC3	1 0 10 D2CF0294C020CE6C MT38J6VG7S0SN5G17MCUF6IQIKFUAJ05 A AAAA RRSIG
+example.		86400	IN	SOA	ns2.example. hostmaster.example. 1397051952 5 5 1814400 3600
diff --git a/bin/tests/system/doth/example8.axfr.good b/bin/tests/system/doth/example8.axfr.good
new file mode 100644
index 0000000..3eb511c
--- /dev/null
+++ b/bin/tests/system/doth/example8.axfr.good
@@ -0,0 +1,2676 @@
+example8.		86400	IN	SOA	ns2.example8. hostmaster.example8. 1397051952 5 5 1814400 3600
+example8.		3600	IN	NS	ns2.example8.
+a01.example8.		3600	IN	A	0.0.0.0
+a02.example8.		3600	IN	A	255.255.255.255
+a601.example8.		3600	IN	A6	0 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+a601.example8.		3600	IN	A6	64 ::ffff:ffff:ffff:ffff foo.
+a601.example8.		3600	IN	A6	127 ::1 foo.
+a601.example8.		3600	IN	A6	128  .
+aaaa01.example8.	3600	IN	AAAA	::1
+aaaa02.example8.	3600	IN	AAAA	fd92:7065:b8e:ffff::5
+afsdb01.example8.	3600	IN	AFSDB	0 hostname.example8.
+afsdb02.example8.	3600	IN	AFSDB	65535 .
+amtrelay01.example8.	3600	IN	AMTRELAY 0 0 0
+amtrelay02.example8.	3600	IN	AMTRELAY 0 1 0
+amtrelay03.example8.	3600	IN	AMTRELAY 0 0 1 0.0.0.0
+amtrelay04.example8.	3600	IN	AMTRELAY 0 0 2 ::
+amtrelay05.example8.	3600	IN	AMTRELAY 0 0 3 example.net.
+amtrelay06.example8.	3600	IN	AMTRELAY \# 2 0004
+apl01.example8.		3600	IN	APL	!1:10.0.0.1/32 1:10.0.0.0/24
+apl02.example8.		3600	IN	APL
+atma01.example8.	3600	IN	ATMA	+61200000000
+atma02.example8.	3600	IN	ATMA	+61200000000
+atma03.example8.	3600	IN	ATMA	1234567890abcdef
+atma04.example8.	3600	IN	ATMA	fedcba0987654321
+avc.example8.		3600	IN	AVC	"foo:bar"
+biganswer.example8.	3600	IN	A	10.10.1.1
+biganswer.example8.	3600	IN	A	10.10.1.2
+biganswer.example8.	3600	IN	A	10.10.1.3
+biganswer.example8.	3600	IN	A	10.10.1.4
+biganswer.example8.	3600	IN	A	10.10.1.5
+biganswer.example8.	3600	IN	A	10.10.1.6
+biganswer.example8.	3600	IN	A	10.10.1.7
+biganswer.example8.	3600	IN	A	10.10.1.8
+biganswer.example8.	3600	IN	A	10.10.1.9
+biganswer.example8.	3600	IN	A	10.10.1.10
+biganswer.example8.	3600	IN	A	10.10.1.11
+biganswer.example8.	3600	IN	A	10.10.1.12
+biganswer.example8.	3600	IN	A	10.10.1.13
+biganswer.example8.	3600	IN	A	10.10.1.14
+biganswer.example8.	3600	IN	A	10.10.1.15
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+biganswer.example8.	3600	IN	A	10.10.1.50
+biganswer.example8.	3600	IN	A	10.10.2.1
+biganswer.example8.	3600	IN	A	10.10.2.2
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+biganswer.example8.	3600	IN	A	10.10.2.7
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+biganswer.example8.	3600	IN	A	10.10.4.1
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+biganswer.example8.	3600	IN	A	10.10.47.33
+biganswer.example8.	3600	IN	A	10.10.47.34
+biganswer.example8.	3600	IN	A	10.10.47.35
+biganswer.example8.	3600	IN	A	10.10.47.36
+biganswer.example8.	3600	IN	A	10.10.47.37
+biganswer.example8.	3600	IN	A	10.10.47.38
+biganswer.example8.	3600	IN	A	10.10.47.39
+biganswer.example8.	3600	IN	A	10.10.47.40
+biganswer.example8.	3600	IN	A	10.10.47.41
+biganswer.example8.	3600	IN	A	10.10.47.42
+biganswer.example8.	3600	IN	A	10.10.47.43
+biganswer.example8.	3600	IN	A	10.10.47.44
+biganswer.example8.	3600	IN	A	10.10.47.45
+biganswer.example8.	3600	IN	A	10.10.47.46
+biganswer.example8.	3600	IN	A	10.10.47.47
+biganswer.example8.	3600	IN	A	10.10.47.48
+biganswer.example8.	3600	IN	A	10.10.47.49
+biganswer.example8.	3600	IN	A	10.10.47.50
+biganswer.example8.	3600	IN	A	10.10.48.1
+biganswer.example8.	3600	IN	A	10.10.48.2
+biganswer.example8.	3600	IN	A	10.10.48.3
+biganswer.example8.	3600	IN	A	10.10.48.4
+biganswer.example8.	3600	IN	A	10.10.48.5
+biganswer.example8.	3600	IN	A	10.10.48.6
+biganswer.example8.	3600	IN	A	10.10.48.7
+biganswer.example8.	3600	IN	A	10.10.48.8
+biganswer.example8.	3600	IN	A	10.10.48.9
+biganswer.example8.	3600	IN	A	10.10.48.10
+biganswer.example8.	3600	IN	A	10.10.48.11
+biganswer.example8.	3600	IN	A	10.10.48.12
+biganswer.example8.	3600	IN	A	10.10.48.13
+biganswer.example8.	3600	IN	A	10.10.48.14
+biganswer.example8.	3600	IN	A	10.10.48.15
+biganswer.example8.	3600	IN	A	10.10.48.16
+biganswer.example8.	3600	IN	A	10.10.48.17
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+biganswer.example8.	3600	IN	A	10.10.48.21
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+biganswer.example8.	3600	IN	A	10.10.48.30
+biganswer.example8.	3600	IN	A	10.10.48.31
+biganswer.example8.	3600	IN	A	10.10.48.32
+biganswer.example8.	3600	IN	A	10.10.48.33
+biganswer.example8.	3600	IN	A	10.10.48.34
+biganswer.example8.	3600	IN	A	10.10.48.35
+biganswer.example8.	3600	IN	A	10.10.48.36
+biganswer.example8.	3600	IN	A	10.10.48.37
+biganswer.example8.	3600	IN	A	10.10.48.38
+biganswer.example8.	3600	IN	A	10.10.48.39
+biganswer.example8.	3600	IN	A	10.10.48.40
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+biganswer.example8.	3600	IN	A	10.10.48.42
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+biganswer.example8.	3600	IN	A	10.10.48.45
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+biganswer.example8.	3600	IN	A	10.10.48.50
+biganswer.example8.	3600	IN	A	10.10.49.1
+biganswer.example8.	3600	IN	A	10.10.49.2
+biganswer.example8.	3600	IN	A	10.10.49.3
+biganswer.example8.	3600	IN	A	10.10.49.4
+biganswer.example8.	3600	IN	A	10.10.49.5
+biganswer.example8.	3600	IN	A	10.10.49.6
+biganswer.example8.	3600	IN	A	10.10.49.7
+biganswer.example8.	3600	IN	A	10.10.49.8
+biganswer.example8.	3600	IN	A	10.10.49.9
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+biganswer.example8.	3600	IN	A	10.10.49.11
+biganswer.example8.	3600	IN	A	10.10.49.12
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+biganswer.example8.	3600	IN	A	10.10.49.17
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+biganswer.example8.	3600	IN	A	10.10.49.28
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+biganswer.example8.	3600	IN	A	10.10.49.30
+biganswer.example8.	3600	IN	A	10.10.49.31
+biganswer.example8.	3600	IN	A	10.10.49.32
+biganswer.example8.	3600	IN	A	10.10.49.33
+biganswer.example8.	3600	IN	A	10.10.49.34
+biganswer.example8.	3600	IN	A	10.10.49.35
+biganswer.example8.	3600	IN	A	10.10.49.36
+biganswer.example8.	3600	IN	A	10.10.49.37
+biganswer.example8.	3600	IN	A	10.10.49.38
+biganswer.example8.	3600	IN	A	10.10.49.39
+biganswer.example8.	3600	IN	A	10.10.49.40
+biganswer.example8.	3600	IN	A	10.10.49.41
+biganswer.example8.	3600	IN	A	10.10.49.42
+biganswer.example8.	3600	IN	A	10.10.49.43
+biganswer.example8.	3600	IN	A	10.10.49.44
+biganswer.example8.	3600	IN	A	10.10.49.45
+biganswer.example8.	3600	IN	A	10.10.49.46
+biganswer.example8.	3600	IN	A	10.10.49.47
+biganswer.example8.	3600	IN	A	10.10.49.48
+biganswer.example8.	3600	IN	A	10.10.49.49
+biganswer.example8.	3600	IN	A	10.10.49.50
+biganswer.example8.	3600	IN	A	10.10.50.1
+biganswer.example8.	3600	IN	A	10.10.50.2
+biganswer.example8.	3600	IN	A	10.10.50.3
+biganswer.example8.	3600	IN	A	10.10.50.4
+biganswer.example8.	3600	IN	A	10.10.50.5
+biganswer.example8.	3600	IN	A	10.10.50.6
+biganswer.example8.	3600	IN	A	10.10.50.7
+biganswer.example8.	3600	IN	A	10.10.50.8
+biganswer.example8.	3600	IN	A	10.10.50.9
+biganswer.example8.	3600	IN	A	10.10.50.10
+biganswer.example8.	3600	IN	A	10.10.50.11
+biganswer.example8.	3600	IN	A	10.10.50.12
+biganswer.example8.	3600	IN	A	10.10.50.13
+biganswer.example8.	3600	IN	A	10.10.50.14
+biganswer.example8.	3600	IN	A	10.10.50.15
+biganswer.example8.	3600	IN	A	10.10.50.16
+biganswer.example8.	3600	IN	A	10.10.50.17
+biganswer.example8.	3600	IN	A	10.10.50.18
+biganswer.example8.	3600	IN	A	10.10.50.19
+biganswer.example8.	3600	IN	A	10.10.50.20
+biganswer.example8.	3600	IN	A	10.10.50.21
+biganswer.example8.	3600	IN	A	10.10.50.22
+biganswer.example8.	3600	IN	A	10.10.50.23
+biganswer.example8.	3600	IN	A	10.10.50.24
+biganswer.example8.	3600	IN	A	10.10.50.25
+biganswer.example8.	3600	IN	A	10.10.50.26
+biganswer.example8.	3600	IN	A	10.10.50.27
+biganswer.example8.	3600	IN	A	10.10.50.28
+biganswer.example8.	3600	IN	A	10.10.50.29
+biganswer.example8.	3600	IN	A	10.10.50.30
+biganswer.example8.	3600	IN	A	10.10.50.31
+biganswer.example8.	3600	IN	A	10.10.50.32
+biganswer.example8.	3600	IN	A	10.10.50.33
+biganswer.example8.	3600	IN	A	10.10.50.34
+biganswer.example8.	3600	IN	A	10.10.50.35
+biganswer.example8.	3600	IN	A	10.10.50.36
+biganswer.example8.	3600	IN	A	10.10.50.37
+biganswer.example8.	3600	IN	A	10.10.50.38
+biganswer.example8.	3600	IN	A	10.10.50.39
+biganswer.example8.	3600	IN	A	10.10.50.40
+biganswer.example8.	3600	IN	A	10.10.50.41
+biganswer.example8.	3600	IN	A	10.10.50.42
+biganswer.example8.	3600	IN	A	10.10.50.43
+biganswer.example8.	3600	IN	A	10.10.50.44
+biganswer.example8.	3600	IN	A	10.10.50.45
+biganswer.example8.	3600	IN	A	10.10.50.46
+biganswer.example8.	3600	IN	A	10.10.50.47
+biganswer.example8.	3600	IN	A	10.10.50.48
+biganswer.example8.	3600	IN	A	10.10.50.49
+biganswer.example8.	3600	IN	A	10.10.50.50
+caa01.example8.		3600	IN	CAA	0 issue "ca.example.net; policy=ev"
+caa02.example8.		3600	IN	CAA	128 tbs "Unknown"
+caa03.example8.		3600	IN	CAA	128 tbs ""
+cdnskey01.example8.	3600	IN	CDNSKEY	512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+cds01.example8.		3600	IN	CDS	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+cert01.example8.	3600	IN	CERT	65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+cname01.example8.	3600	IN	CNAME	cname-target.
+cname02.example8.	3600	IN	CNAME	cname-target.example8.
+cname03.example8.	3600	IN	CNAME	.
+csync01.example8.	3600	IN	CSYNC	0 0 A NS AAAA
+csync02.example8.	3600	IN	CSYNC	0 0
+dhcid01.example8.	3600	IN	DHCID	AAIBY2/AuCccgoJbsaxcQc9TUapptP69lOjxfNuVAA2kjEA=
+dhcid02.example8.	3600	IN	DHCID	AAEBOSD+XR3Os/0LozeXVqcNc7FwCfQdWL3b/NaiUDlW2No=
+dhcid03.example8.	3600	IN	DHCID	AAABxLmlskllE0MVjd57zHcWmEH3pCQ6VytcKD//7es/deY=
+dlv.example8.		3600	IN	DLV	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+dname01.example8.	3600	IN	DNAME	dname-target.
+dname02.example8.	3600	IN	DNAME	dname-target.example8.
+dname03.example8.	3600	IN	DNAME	.
+dnskey01.example8.	3600	IN	DNSKEY	512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+doa01.example8.		3600	IN	DOA	1234567890 1234567890 1 "image/gif" R0lGODlhKAAZAOMCAGZmZgBmmf///zOZzMz//5nM/zNmmWbM/5nMzMzMzACZ/////////////////////yH5BAEKAA8ALAAAAAAoABkAAATH8IFJK5U2a4337F5ogRkpnoCJrly7PrCKyh8c3HgAhzT35MDbbtO7/IJIHbGiOiaTxVTpSVWWLqNq1UVyapNS1wd3OAxug0LhnCubcVhsxysQnOt4ATpvvzHlFzl1AwODhWeFAgRpen5/UhheAYMFdUB4SFcpGEGGdQeCAqBBLTuSk30EeXd9pEsAbKGxjHqDSE0Sp6ixN4N1BJmbc7lIhmsBich1awPAjkY1SZR8bJWrz382SGqIBQQFQd4IsUTaX+ceuudPEQA7
+doa02.example8.		3600	IN	DOA	0 1 2 "" aHR0cHM6Ly93d3cuaXNjLm9yZy8=
+ds01.example8.		3600	IN	DS	12892 5 2 26584835CA80C81C91999F31CFAF2A0E89D4FF1C8FAFD0DDB31A85C7 19277C13
+ds01.example8.		3600	IN	NS	ns42.example8.
+ds02.example8.		3600	IN	DS	12892 5 1 7AA4A3F416C2F2391FB7AB0D434F762CD62D1390
+ds02.example8.		3600	IN	NS	ns43.example8.
+eid01.example8.		3600	IN	EID	1289AB
+eui48.example8.		3600	IN	EUI48	01-23-45-67-89-ab
+eui64.example8.		3600	IN	EUI64	01-23-45-67-89-ab-cd-ef
+gid01.example8.		3600	IN	GID	\# 1 03
+gpos01.example8.	3600	IN	GPOS	"-22.6882" "116.8652" "250.0"
+gpos02.example8.	3600	IN	GPOS	"" "" ""
+hinfo01.example8.	3600	IN	HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02.example8.	3600	IN	HINFO	"PC" "NetBSD"
+hip1.example8.		3600	IN	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D
+hip2.example8.		3600	IN	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs.example.com.
+https0.example8.	3600	IN	HTTPS	0 example.net.
+https1.example8.	3600	IN	HTTPS	1 . port=60
+ipseckey01.example8.	3600	IN	IPSECKEY 10 1 2 192.0.2.38 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey02.example8.	3600	IN	IPSECKEY 10 0 2 . AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey03.example8.	3600	IN	IPSECKEY 10 1 2 192.0.2.3 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey04.example8.	3600	IN	IPSECKEY 10 3 2 mygateway.example.com. AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey05.example8.	3600	IN	IPSECKEY 10 2 2 2001:db8:0:8002::2000:1 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+isdn01.example8.	3600	IN	ISDN	"isdn-address"
+isdn02.example8.	3600	IN	ISDN	"isdn-address" "subaddress"
+isdn03.example8.	3600	IN	ISDN	"isdn-address"
+isdn04.example8.	3600	IN	ISDN	"isdn-address" "subaddress"
+keydata.example8.	3600	IN	TYPE65533 \# 0
+keydata.example8.	3600	IN	TYPE65533 \# 6 010203040506
+keydata.example8.	3600	IN	TYPE65533 \# 18 010203040506010203040506010203040506
+kx01.example8.		3600	IN	KX	10 kdc.example8.
+kx02.example8.		3600	IN	KX	10 .
+l32.example8.		3600	IN	L32	10 1.2.3.4
+l64.example8.		3600	IN	L64	10 14:4fff:ff20:ee64
+loc01.example8.		3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02.example8.		3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+lp.example8.		3600	IN	LP	10 example.net.
+mb01.example8.		3600	IN	MG	madname.example8.
+mb02.example8.		3600	IN	MG	.
+mg01.example8.		3600	IN	MG	mgmname.example8.
+mg02.example8.		3600	IN	MG	.
+minfo01.example8.	3600	IN	MINFO	rmailbx.example8. emailbx.example8.
+minfo02.example8.	3600	IN	MINFO	. .
+mr01.example8.		3600	IN	MR	mrname.example8.
+mr02.example8.		3600	IN	MR	.
+mx01.example8.		3600	IN	MX	10 mail.example8.
+mx02.example8.		3600	IN	MX	10 .
+naptr01.example8.	3600	IN	NAPTR	0 0 "" "" "" .
+naptr02.example8.	3600	IN	NAPTR	65535 65535 "blurgh" "blorf" "blllbb" foo.
+nid.example8.		3600	IN	NID	10 14:4fff:ff20:ee64
+nimloc01.example8.	3600	IN	NIMLOC	1289AB
+ninfo01.example8.	3600	IN	NINFO	"foo"
+ninfo02.example8.	3600	IN	NINFO	"foo" "bar"
+ninfo03.example8.	3600	IN	NINFO	"foo"
+ninfo04.example8.	3600	IN	NINFO	"foo" "bar"
+ninfo05.example8.	3600	IN	NINFO	"foo bar"
+ninfo06.example8.	3600	IN	NINFO	"foo bar"
+ninfo07.example8.	3600	IN	NINFO	"foo bar"
+ninfo08.example8.	3600	IN	NINFO	"foo\010bar"
+ninfo09.example8.	3600	IN	NINFO	"foo\010bar"
+ninfo10.example8.	3600	IN	NINFO	"foo bar"
+ninfo11.example8.	3600	IN	NINFO	"\"foo\""
+ninfo12.example8.	3600	IN	NINFO	"\"foo\""
+ninfo13.example8.	3600	IN	NINFO	"foo;"
+ninfo14.example8.	3600	IN	NINFO	"foo;"
+ninfo15.example8.	3600	IN	NINFO	"bar\\;"
+ns2.example8.		3600	IN	A	10.53.0.2
+nsap-ptr01.example8.	3600	IN	NSAP-PTR foo.
+nsap-ptr01.example8.	3600	IN	NSAP-PTR .
+nsap01.example8.	3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02.example8.	3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nsec01.example8.	3600	IN	NSEC	a.secure.nil. NS SOA MX LOC RRSIG NSEC DNSKEY
+nsec02.example8.	3600	IN	NSEC	. NSAP-PTR NSEC
+nsec03.example8.	3600	IN	NSEC	. A
+nsec04.example8.	3600	IN	NSEC	. TYPE127
+openpgpkey.example8.	3600	IN	OPENPGPKEY AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+ptr01.example8.		3600	IN	PTR	example8.
+px01.example8.		3600	IN	PX	65535 foo. bar.
+px02.example8.		3600	IN	PX	65535 . .
+rkey01.example8.	3600	IN	RKEY	0 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+rp01.example8.		3600	IN	RP	mbox-dname.example8. txt-dname.example8.
+rp02.example8.		3600	IN	RP	. .
+rrsig01.example8.	3600	IN	RRSIG	NSEC 1 3 3600 20000102030405 19961211100908 2143 foo.nil. MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+rt01.example8.		3600	IN	RT	0 intermediate-host.example8.
+rt02.example8.		3600	IN	RT	65535 .
+sink01.example8.	3600	IN	SINK	1 0 0
+sink02.example8.	3600	IN	SINK	8 0 2 l4ik
+smimea.example8.	3600	IN	SMIMEA	1 1 2 92003BA34942DC74152E2F2C408D29ECA5A520E7F2E06BB944F4DCA3 46BAF63C1B177615D466F6C4B71C216A50292BD58C9EBDD2F74E38FE 51FFD48C43326CBC
+spf01.example8.		3600	IN	SPF	"v=spf1 -all"
+spf02.example8.		3600	IN	SPF	"v=spf1" " -all"
+srv01.example8.		3600	IN	SRV	0 0 0 .
+srv02.example8.		3600	IN	SRV	65535 65535 65535 old-slow-box.example8.
+sshfp01.example8.	3600	IN	SSHFP	4 2 C76D8329954DA2835751E371544E963EFDA099080D6C58DD2BFD9A31 6E162C83
+sshfp02.example8.	3600	IN	SSHFP	1 2 BF29468C83AC58CCF8C85AB7B3BEB054ECF1E38512B8353AB36471FA 88961DCC
+svcb0.example8.		3600	IN	SVCB	0 example.net.
+svcb1.example8.		3600	IN	SVCB	1 . port=60
+ta.example8.		3600	IN	TA	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+talink0.example8.	3600	IN	TALINK	. talink1.example8.
+talink1.example8.	3600	IN	TALINK	talink0.example8. talink2.example8.
+talink2.example8.	3600	IN	TALINK	talink2.example8. .
+tlsa.example8.		3600	IN	TLSA	1 1 2 92003BA34942DC74152E2F2C408D29ECA5A520E7F2E06BB944F4DCA3 46BAF63C1B177615D466F6C4B71C216A50292BD58C9EBDD2F74E38FE 51FFD48C43326CBC
+txt01.example8.		3600	IN	TXT	"foo"
+txt02.example8.		3600	IN	TXT	"foo" "bar"
+txt03.example8.		3600	IN	TXT	"foo"
+txt04.example8.		3600	IN	TXT	"foo" "bar"
+txt05.example8.		3600	IN	TXT	"foo bar"
+txt06.example8.		3600	IN	TXT	"foo bar"
+txt07.example8.		3600	IN	TXT	"foo bar"
+txt08.example8.		3600	IN	TXT	"foo\010bar"
+txt09.example8.		3600	IN	TXT	"foo\010bar"
+txt10.example8.		3600	IN	TXT	"foo bar"
+txt11.example8.		3600	IN	TXT	"\"foo\""
+txt12.example8.		3600	IN	TXT	"\"foo\""
+txt13.example8.		3600	IN	TXT	"foo;"
+txt14.example8.		3600	IN	TXT	"foo;"
+txt15.example8.		3600	IN	TXT	"bar\\;"
+uid01.example8.		3600	IN	UID	\# 1 02
+uinfo01.example8.	3600	IN	UINFO	\# 1 01
+unspec01.example8.	3600	IN	UNSPEC	\# 1 04
+uri01.example8.		3600	IN	URI	10 20 "https://www.isc.org/"
+uri02.example8.		3600	IN	URI	30 40 "https://www.isc.org/HolyCowThisSureIsAVeryLongURIRecordIDontEvenKnowWhatSomeoneWouldEverWantWithSuchAThingButTheSpecificationRequiresThatWesupportItSoHereWeGoTestingItLaLaLaLaLaLaLaSeriouslyThoughWhyWouldYouEvenConsiderUsingAURIThisLongItSeemsLikeASillyIdeaButEnhWhatAreYouGonnaDo/"
+uri03.example8.		3600	IN	URI	30 40 ""
+wks01.example8.		3600	IN	WKS	10.0.0.1 6 0 1 2 21 23
+wks02.example8.		3600	IN	WKS	10.0.0.1 17 0 1 2 53
+wks03.example8.		3600	IN	WKS	10.0.0.2 6 65535
+x2501.example8.		3600	IN	X25	"123456789"
+zonemd01.example8.	3600	IN	ZONEMD	2019020700 1 1 C220B8A6ED5728A971902F7E3D4FD93ADEEA88B0453C2E8E8C863D46 5AB06CF34EB95B266398C98B59124FA239CB7EEB
+zonemd02.example8.	3600	IN	ZONEMD	2019020700 1 2 08CFA1115C7B948C4163A901270395EA226A930CD2CBCF2FA9A5E6EB 85F37C8A4E114D884E66F176EAB121CB02DB7D652E0CC4827E7A3204 F166B47E5613FD27
+8f1tmio9avcom2k0frp92lgcumak0cad.example8. 3600	IN NSEC3 1 0 10 D2CF0294C020CE6C 8FPNS2UCT7FBS643THP2B77PEQ77K6IU A NS SOA MX AAAA RRSIG DNSKEY NSEC3PARAM
+kcd3juae64f9c5csl1kif1htaui7un0g.example8. 3600	IN NSEC3 1 0 10 D2CF0294C020CE6C KD5MN2M20340DGO0BL7NTSB8JP4BSC7E
+mr5ukvsk1l37btu4q7b1dfevft4hkqdk.example8. 3600	IN NSEC3 1 0 10 D2CF0294C020CE6C MT38J6VG7S0SN5G17MCUF6IQIKFUAJ05 A AAAA RRSIG
+example8.		86400	IN	SOA	ns2.example8. hostmaster.example8. 1397051952 5 5 1814400 3600
diff --git a/bin/tests/system/doth/get_openssl_version.py b/bin/tests/system/doth/get_openssl_version.py
new file mode 100755
index 0000000..f1d6f4b
--- /dev/null
+++ b/bin/tests/system/doth/get_openssl_version.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import ssl
+
+version = ssl.OPENSSL_VERSION_INFO
+print(version[0], version[1], version[2])
diff --git a/bin/tests/system/doth/ns1/named.conf.in b/bin/tests/system/doth/ns1/named.conf.in
new file mode 100644
index 0000000..500675f
--- /dev/null
+++ b/bin/tests/system/doth/ns1/named.conf.in
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+http local {
+	endpoints { "/dns-query"; "/alter"; };
+	listener-clients 100;
+};
+
+tls tls-forward-secrecy {
+	protocols { TLSv1.2; };
+	ciphers "HIGH:!kRSA:!aNULL:!eNULL:!RC4:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!SHA1:!SHA256:!SHA384";
+	prefer-server-ciphers yes;
+	key-file "../CA/certs/srv01.crt01.example.com.key";
+	cert-file "../CA/certs/srv01.crt01.example.com.pem";
+	dhparam-file "../dhparam3072.pem";
+};
+
+tls tls-pfs-aes256 {
+	protocols { TLSv1.2; };
+	ciphers "AES256:!kRSA:!aNULL:!eNULL:!RC4:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!SHA1:!SHA256:!SHA384";
+	prefer-server-ciphers yes;
+	key-file "../CA/certs/srv01.crt01.example.com.key";
+	cert-file "../CA/certs/srv01.crt01.example.com.pem";
+	dhparam-file "../dhparam3072.pem";
+};
+
+tls tls-no-subject-alt-name {
+	protocols { TLSv1.2; };
+	ciphers "HIGH:!kRSA:!aNULL:!eNULL:!RC4:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!SHA1:!SHA256:!SHA384";
+	prefer-server-ciphers yes;
+	key-file "../CA/certs/srv01.crt02-no-san.example.com.key";
+	cert-file "../CA/certs/srv01.crt02-no-san.example.com.pem";
+	dhparam-file "../dhparam3072.pem";
+};
+
+tls tls-expired {
+	protocols { TLSv1.2; };
+	ciphers "HIGH:!kRSA:!aNULL:!eNULL:!RC4:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!SHA1:!SHA256:!SHA384";
+	prefer-server-ciphers yes;
+	key-file "../CA/certs/srv01.crt03-expired.example.com.key";
+	cert-file "../CA/certs/srv01.crt03-expired.example.com.pem";
+	dhparam-file "../dhparam3072.pem";
+};
+
+tls tls-forward-secrecy-mutual-tls {
+	protocols { TLSv1.2; };
+	ciphers "HIGH:!kRSA:!aNULL:!eNULL:!RC4:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!SHA1:!SHA256:!SHA384";
+	prefer-server-ciphers yes;
+	key-file "../CA/certs/srv01.crt01.example.com.key";
+	cert-file "../CA/certs/srv01.crt01.example.com.pem";
+	dhparam-file "../dhparam3072.pem";
+	ca-file "../CA/CA.pem";
+};
+
+options {
+	port @PORT@;
+	tls-port @TLSPORT@;
+	https-port @HTTPSPORT@;
+	http-port @HTTPPORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on tls tls-forward-secrecy { 10.53.0.1; };             // DoT
+	listen-on-v6 tls tls-forward-secrecy { fd92:7065:b8e:ffff::1;};
+	listen-on tls ephemeral http local { 10.53.0.1; };  // DoH
+	listen-on-v6 tls ephemeral http local { fd92:7065:b8e:ffff::1; };
+	listen-on tls none http local { 10.53.0.1; };       // unencrypted DoH
+	listen-on-v6 tls none http local { fd92:7065:b8e:ffff::1; };
+	listen-on-v6 { none; };
+	listen-on port @EXTRAPORT1@ tls tls-pfs-aes256 { 10.53.0.1; };             // DoT
+	listen-on-v6 port @EXTRAPORT1@ tls tls-pfs-aes256 { fd92:7065:b8e:ffff::1;};
+	listen-on port @EXTRAPORT2@ tls tls-no-subject-alt-name { 10.53.0.1; };             // DoT
+	listen-on port @EXTRAPORT3@ tls tls-no-subject-alt-name http local { 10.53.0.1; };  // DoH
+	listen-on port @EXTRAPORT4@ tls tls-expired { 10.53.0.1; };             // DoT
+	listen-on port @EXTRAPORT5@ tls tls-forward-secrecy-mutual-tls { 10.53.0.1; }; // DoT
+	listen-on port @EXTRAPORT6@ tls tls-forward-secrecy-mutual-tls http local { 10.53.0.1; }; // DoH
+	recursion no;
+	notify explicit;
+	also-notify { 10.53.0.2 port @PORT@; };
+	statistics-file "named.stats";
+	dnssec-validation yes;
+	tcp-initial-timeout 1200;
+	transfers-in 100;
+	transfers-out 100;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+	allow-transfer port @TLSPORT@ transport tls { any; };
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-transfer port @TLSPORT@ transport tls { any; };
+};
+
+zone "example2" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT1@ transport tls { any; };
+};
+
+zone "example3" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT3@ transport tls { any; };
+};
+
+zone "example4" {
+	type primary;
+	file "example.db";
+	allow-transfer transport tls { any; };
+};
+
+zone "example5" {
+	type primary;
+	file "example.db";
+	allow-transfer transport tls { any; };
+};
+
+zone "example6" {
+	type primary;
+	file "example.db";
+	allow-transfer transport tls { any; };
+};
+
+zone "example7" {
+	type primary;
+	file "example.db";
+	allow-transfer transport tls { any; };
+};
+
+zone "example8" {
+	type primary;
+	file "example.db";
+	allow-transfer transport tls { any; };
+};
+
+zone "example9" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT5@ transport tls { any; };
+};
+
+zone "example10" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT5@ transport tls { any; };
+};
+
+zone "example11" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT5@ transport tls { any; };
+};
diff --git a/bin/tests/system/doth/ns1/root.db b/bin/tests/system/doth/ns1/root.db
new file mode 100644
index 0000000..47a18a1
--- /dev/null
+++ b/bin/tests/system/doth/ns1/root.db
@@ -0,0 +1,10023 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+dom0001.	NS	a.root-servers.nil.
+dom0002.	NS	a.root-servers.nil.
+dom0003.	NS	a.root-servers.nil.
+dom0004.	NS	a.root-servers.nil.
+dom0005.	NS	a.root-servers.nil.
+dom0006.	NS	a.root-servers.nil.
+dom0007.	NS	a.root-servers.nil.
+dom0008.	NS	a.root-servers.nil.
+dom0009.	NS	a.root-servers.nil.
+dom0010.	NS	a.root-servers.nil.
+dom0011.	NS	a.root-servers.nil.
+dom0012.	NS	a.root-servers.nil.
+dom0013.	NS	a.root-servers.nil.
+dom0014.	NS	a.root-servers.nil.
+dom0015.	NS	a.root-servers.nil.
+dom0016.	NS	a.root-servers.nil.
+dom0017.	NS	a.root-servers.nil.
+dom0018.	NS	a.root-servers.nil.
+dom0019.	NS	a.root-servers.nil.
+dom0020.	NS	a.root-servers.nil.
+dom0021.	NS	a.root-servers.nil.
+dom0022.	NS	a.root-servers.nil.
+dom0023.	NS	a.root-servers.nil.
+dom0024.	NS	a.root-servers.nil.
+dom0025.	NS	a.root-servers.nil.
+dom0026.	NS	a.root-servers.nil.
+dom0027.	NS	a.root-servers.nil.
+dom0028.	NS	a.root-servers.nil.
+dom0029.	NS	a.root-servers.nil.
+dom0030.	NS	a.root-servers.nil.
+dom0031.	NS	a.root-servers.nil.
+dom0032.	NS	a.root-servers.nil.
+dom0033.	NS	a.root-servers.nil.
+dom0034.	NS	a.root-servers.nil.
+dom0035.	NS	a.root-servers.nil.
+dom0036.	NS	a.root-servers.nil.
+dom0037.	NS	a.root-servers.nil.
+dom0038.	NS	a.root-servers.nil.
+dom0039.	NS	a.root-servers.nil.
+dom0040.	NS	a.root-servers.nil.
+dom0041.	NS	a.root-servers.nil.
+dom0042.	NS	a.root-servers.nil.
+dom0043.	NS	a.root-servers.nil.
+dom0044.	NS	a.root-servers.nil.
+dom0045.	NS	a.root-servers.nil.
+dom0046.	NS	a.root-servers.nil.
+dom0047.	NS	a.root-servers.nil.
+dom0048.	NS	a.root-servers.nil.
+dom0049.	NS	a.root-servers.nil.
+dom0050.	NS	a.root-servers.nil.
+dom0051.	NS	a.root-servers.nil.
+dom0052.	NS	a.root-servers.nil.
+dom0053.	NS	a.root-servers.nil.
+dom0054.	NS	a.root-servers.nil.
+dom0055.	NS	a.root-servers.nil.
+dom0056.	NS	a.root-servers.nil.
+dom0057.	NS	a.root-servers.nil.
+dom0058.	NS	a.root-servers.nil.
+dom0059.	NS	a.root-servers.nil.
+dom0060.	NS	a.root-servers.nil.
+dom0061.	NS	a.root-servers.nil.
+dom0062.	NS	a.root-servers.nil.
+dom0063.	NS	a.root-servers.nil.
+dom0064.	NS	a.root-servers.nil.
+dom0065.	NS	a.root-servers.nil.
+dom0066.	NS	a.root-servers.nil.
+dom0067.	NS	a.root-servers.nil.
+dom0068.	NS	a.root-servers.nil.
+dom0069.	NS	a.root-servers.nil.
+dom0070.	NS	a.root-servers.nil.
+dom0071.	NS	a.root-servers.nil.
+dom0072.	NS	a.root-servers.nil.
+dom0073.	NS	a.root-servers.nil.
+dom0074.	NS	a.root-servers.nil.
+dom0075.	NS	a.root-servers.nil.
+dom0076.	NS	a.root-servers.nil.
+dom0077.	NS	a.root-servers.nil.
+dom0078.	NS	a.root-servers.nil.
+dom0079.	NS	a.root-servers.nil.
+dom0080.	NS	a.root-servers.nil.
+dom0081.	NS	a.root-servers.nil.
+dom0082.	NS	a.root-servers.nil.
+dom0083.	NS	a.root-servers.nil.
+dom0084.	NS	a.root-servers.nil.
+dom0085.	NS	a.root-servers.nil.
+dom0086.	NS	a.root-servers.nil.
+dom0087.	NS	a.root-servers.nil.
+dom0088.	NS	a.root-servers.nil.
+dom0089.	NS	a.root-servers.nil.
+dom0090.	NS	a.root-servers.nil.
+dom0091.	NS	a.root-servers.nil.
+dom0092.	NS	a.root-servers.nil.
+dom0093.	NS	a.root-servers.nil.
+dom0094.	NS	a.root-servers.nil.
+dom0095.	NS	a.root-servers.nil.
+dom0096.	NS	a.root-servers.nil.
+dom0097.	NS	a.root-servers.nil.
+dom0098.	NS	a.root-servers.nil.
+dom0099.	NS	a.root-servers.nil.
+dom0100.	NS	a.root-servers.nil.
+dom0101.	NS	a.root-servers.nil.
+dom0102.	NS	a.root-servers.nil.
+dom0103.	NS	a.root-servers.nil.
+dom0104.	NS	a.root-servers.nil.
+dom0105.	NS	a.root-servers.nil.
+dom0106.	NS	a.root-servers.nil.
+dom0107.	NS	a.root-servers.nil.
+dom0108.	NS	a.root-servers.nil.
+dom0109.	NS	a.root-servers.nil.
+dom0110.	NS	a.root-servers.nil.
+dom0111.	NS	a.root-servers.nil.
+dom0112.	NS	a.root-servers.nil.
+dom0113.	NS	a.root-servers.nil.
+dom0114.	NS	a.root-servers.nil.
+dom0115.	NS	a.root-servers.nil.
+dom0116.	NS	a.root-servers.nil.
+dom0117.	NS	a.root-servers.nil.
+dom0118.	NS	a.root-servers.nil.
+dom0119.	NS	a.root-servers.nil.
+dom0120.	NS	a.root-servers.nil.
+dom0121.	NS	a.root-servers.nil.
+dom0122.	NS	a.root-servers.nil.
+dom0123.	NS	a.root-servers.nil.
+dom0124.	NS	a.root-servers.nil.
+dom0125.	NS	a.root-servers.nil.
+dom0126.	NS	a.root-servers.nil.
+dom0127.	NS	a.root-servers.nil.
+dom0128.	NS	a.root-servers.nil.
+dom0129.	NS	a.root-servers.nil.
+dom0130.	NS	a.root-servers.nil.
+dom0131.	NS	a.root-servers.nil.
+dom0132.	NS	a.root-servers.nil.
+dom0133.	NS	a.root-servers.nil.
+dom0134.	NS	a.root-servers.nil.
+dom0135.	NS	a.root-servers.nil.
+dom0136.	NS	a.root-servers.nil.
+dom0137.	NS	a.root-servers.nil.
+dom0138.	NS	a.root-servers.nil.
+dom0139.	NS	a.root-servers.nil.
+dom0140.	NS	a.root-servers.nil.
+dom0141.	NS	a.root-servers.nil.
+dom0142.	NS	a.root-servers.nil.
+dom0143.	NS	a.root-servers.nil.
+dom0144.	NS	a.root-servers.nil.
+dom0145.	NS	a.root-servers.nil.
+dom0146.	NS	a.root-servers.nil.
+dom0147.	NS	a.root-servers.nil.
+dom0148.	NS	a.root-servers.nil.
+dom0149.	NS	a.root-servers.nil.
+dom0150.	NS	a.root-servers.nil.
+dom0151.	NS	a.root-servers.nil.
+dom0152.	NS	a.root-servers.nil.
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diff --git a/bin/tests/system/doth/ns2/cert.pem b/bin/tests/system/doth/ns2/cert.pem
new file mode 100644
index 0000000..f9c7e61
--- /dev/null
+++ b/bin/tests/system/doth/ns2/cert.pem
@@ -0,0 +1,14 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/doth/ns2/key.pem b/bin/tests/system/doth/ns2/key.pem
new file mode 100644
index 0000000..90716c8
--- /dev/null
+++ b/bin/tests/system/doth/ns2/key.pem
@@ -0,0 +1,8 @@
+-----BEGIN EC PARAMETERS-----
+BggqhkjOPQMBBw==
+-----END EC PARAMETERS-----
+-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEIFBLYPWvhrGBMyfi04oC53LOl00LZRZbVOVnC0K30XOCoAoGCCqGSM49
+AwEHoUQDQgAELW4K+K53tAVMnwN92svCOQGiVgcklH1z0c9uyG8oNdqGFFT34cJt
+YE0uWoVHpoyzzDITfZxcctnvRdoguQfzxA==
+-----END EC PRIVATE KEY-----
diff --git a/bin/tests/system/doth/ns2/named.conf.in b/bin/tests/system/doth/ns2/named.conf.in
new file mode 100644
index 0000000..3cb2042
--- /dev/null
+++ b/bin/tests/system/doth/ns2/named.conf.in
@@ -0,0 +1,183 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+tls local {
+	key-file "../CA/certs/srv02.crt01.example.com.key";
+	cert-file "../CA/certs/srv02.crt01.example.com.pem";
+	dhparam-file "../dhparam3072.pem";
+};
+
+http local {
+	endpoints { "/dns-query"; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	tls-port @TLSPORT@;
+	https-port @HTTPSPORT@;
+	http-port @HTTPPORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on tls local { 10.53.0.2; };             // DoT
+	listen-on-v6 tls local { fd92:7065:b8e:ffff::2; };
+	listen-on tls local http local { 10.53.0.2; };  // DoH
+	listen-on-v6 tls local http local { fd92:7065:b8e:ffff::2; };
+	listen-on tls none http local { 10.53.0.2; };   // unencrypted DoH
+	listen-on-v6 tls none http local { fd92:7065:b8e:ffff::2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	ixfr-from-differences yes;
+	check-integrity no;
+	dnssec-validation yes;
+	transfers-in 100;
+	transfers-out 100;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+tls tls-example-primary {
+	remote-hostname "srv01.crt01.example.com"; // enable Strict TLS
+	ca-file "../CA/CA.pem";
+};
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.1 tls tls-example-primary; };
+	file "example.db";
+	allow-transfer { any; };
+};
+
+# the server's certificate does not contain SubjectAltName, which is required for DoT
+tls tls-example-primary-no-san {
+	remote-hostname "srv01.crt02-no-san.example.com"; // enable Strict TLS
+	ca-file "../CA/CA.pem";
+};
+
+zone "example3" {
+	type secondary;
+	primaries { 10.53.0.1 port @EXTRAPORT2@ tls tls-example-primary-no-san; };
+	file "example3.db";
+	allow-transfer { any; };
+};
+
+# As you can see, the "remote-hostname" is missing, but "ca-file" is
+# specified. As the result, the primaries server certificate will be
+# verified using the IP address instead of hostname. That is fine,
+# because the server certificate is issued with IP address in the
+# SubjectAltName section.
+tls tls-example-primary-strict-tls-no-hostname {
+	ca-file "../CA/CA.pem"; // enable Strict TLS
+};
+
+zone "example4" {
+	type secondary;
+	primaries { 10.53.0.1 tls tls-example-primary-strict-tls-no-hostname; };
+	file "example4.db";
+	allow-transfer { any; };
+};
+
+tls tls-example-primary-strict-tls-ipv4 {
+	remote-hostname "10.53.0.1"; # the IP is in the server's cert SAN
+	ca-file "../CA/CA.pem"; # enable Strict TLS
+};
+
+zone "example5" {
+	type secondary;
+	primaries { 10.53.0.1 tls tls-example-primary-strict-tls-ipv4; };
+	file "example5.db";
+	allow-transfer { any; };
+};
+
+tls tls-example-primary-strict-tls-ipv6 {
+	remote-hostname "fd92:7065:b8e:ffff::1"; # the IP is in the server's cert SAN
+	ca-file "../CA/CA.pem"; # enable Strict TLS
+};
+
+zone "example6" {
+	type secondary;
+	primaries { 10.53.0.1 tls tls-example-primary-strict-tls-ipv6; };
+	file "example6.db";
+	allow-transfer { any; };
+};
+
+tls tls-example-primary-strict-tls-wrong-host {
+	remote-hostname "not-present.example.com"; # this is not present in the server's cert SAN
+	ca-file "../CA/CA.pem"; # enable Strict TLS
+};
+
+zone "example7" {
+	type secondary;
+	primaries { 10.53.0.1 tls tls-example-primary-strict-tls-wrong-host; };
+	file "example7.db";
+	allow-transfer { any; };
+};
+
+tls tls-example-primary-strict-tls-expired {
+	remote-hostname "srv01.crt03-expired.example.com";
+	ca-file "../CA/CA.pem";
+};
+
+zone "example8" {
+	type secondary;
+	primaries { 10.53.0.1 port @EXTRAPORT4@ tls tls-example-primary-strict-tls-expired; };
+	file "example8.db";
+	allow-transfer { any; };
+};
+
+tls tls-example-primary-mutual-tls {
+    remote-hostname "srv01.crt01.example.com";
+	ca-file "../CA/CA.pem";
+	cert-file "../CA/certs/srv01.client02-ns2.example.com.pem";
+	key-file "../CA/certs/srv01.client02-ns2.example.com.key";
+};
+
+zone "example9" {
+	type secondary;
+	primaries { 10.53.0.1 port @EXTRAPORT5@ tls tls-example-primary-mutual-tls; };
+	file "example9.db";
+	allow-transfer { any; };
+};
+
+zone "example10" {
+	type secondary;
+	primaries { 10.53.0.1 port @EXTRAPORT5@ tls tls-example-primary; };
+	file "example10.db";
+	allow-transfer { any; };
+};
+
+tls tls-example-primary-mutual-tls-expired {
+    remote-hostname "srv01.crt01.example.com";
+	ca-file "../CA/CA.pem";
+	cert-file "../CA/certs/srv01.client03-ns2-expired.example.com.pem";
+	key-file "../CA/certs/srv01.client03-ns2-expired.example.com.key";
+};
+
+zone "example11" {
+	type secondary;
+	primaries { 10.53.0.1 port @EXTRAPORT5@ tls tls-example-primary-mutual-tls-expired; };
+	file "example11.db";
+	allow-transfer { any; };
+};
diff --git a/bin/tests/system/doth/ns3/named.conf.in b/bin/tests/system/doth/ns3/named.conf.in
new file mode 100644
index 0000000..74d3957
--- /dev/null
+++ b/bin/tests/system/doth/ns3/named.conf.in
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+tls local {
+	key-file "../CA/certs/srv03.crt01.example.com.key";
+	cert-file "../CA/certs/srv03.crt01.example.com.pem";
+	dhparam-file "../dhparam3072.pem";
+};
+
+http local {
+	endpoints { "/dns-query"; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	tls-port @TLSPORT@;
+	https-port @HTTPSPORT@;
+	http-port @HTTPPORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on tls local { 10.53.0.3; };             // DoT
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	ixfr-from-differences yes;
+	check-integrity no;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+tls tls-v1.2-pfs {
+	protocols { TLSv1.2; };
+	ciphers "HIGH:!kRSA:!aNULL:!eNULL:!RC4:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!SHA1:!SHA256:!SHA384";
+	prefer-server-ciphers no;
+};
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.1 tls tls-v1.2-pfs; };
+	file "example.db";
+	allow-transfer { any; };
+};
+
+tls tls-pfs-aes-128 {
+	protocols { TLSv1.2; };
+	// AES128 does not match the setting on the server: AES256
+	ciphers "AES128:!kRSA:!aNULL:!eNULL:!RC4:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!SHA1:!SHA256:!SHA384";
+	prefer-server-ciphers no;
+};
+
+zone "example2" {
+	type secondary;
+	primaries port @EXTRAPORT1@ { 10.53.0.1 tls tls-pfs-aes-128; };
+	file "example2.db";
+	allow-transfer { any; };
+};
diff --git a/bin/tests/system/doth/ns4/named.conf.in b/bin/tests/system/doth/ns4/named.conf.in
new file mode 100644
index 0000000..077226a
--- /dev/null
+++ b/bin/tests/system/doth/ns4/named.conf.in
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# We need a separate instance for the "rndc reconfig" test in order to
+# ensure that it does not use ephemeral keys (these are costly to
+# generate) and creates a minimal amount of TLS contexts, reducing the
+# time needed for startup/reconfiguration. Long
+# startup/reconfiguration was known to cause timeout issues in the CI
+# system, where many tests run in parallel.
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+tls local {
+	key-file "../CA/certs/srv04.crt01.example.com.key";
+	cert-file "../CA/certs/srv04.crt01.example.com.pem";
+	dhparam-file "../dhparam3072.pem";
+};
+
+http local {
+	endpoints { "/dns-query"; };
+};
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	tls-port @TLSPORT@;
+	https-port @HTTPSPORT@;
+	http-port @HTTPPORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on tls local { 10.53.0.4; };             // DoT
+	listen-on tls local http local { 10.53.0.4; };  // DoH
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	ixfr-from-differences yes;
+	check-integrity no;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+tls tls-v1.2-pfs {
+	protocols { TLSv1.2; };
+	ciphers "HIGH:!kRSA:!aNULL:!eNULL:!RC4:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!SHA1:!SHA256:!SHA384";
+	prefer-server-ciphers no;
+};
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.1 tls tls-v1.2-pfs; };
+	file "example.db";
+	allow-transfer { any; };
+};
diff --git a/bin/tests/system/doth/prereq.sh b/bin/tests/system/doth/prereq.sh
new file mode 100644
index 0000000..36a8e37
--- /dev/null
+++ b/bin/tests/system/doth/prereq.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$FEATURETEST --with-libnghttp2 || {
+	echo_i "This test requires libnghttp2 support." >&2
+	exit 255
+}
+exit 0
diff --git a/bin/tests/system/doth/setup.sh b/bin/tests/system/doth/setup.sh
new file mode 100644
index 0000000..c50c31f
--- /dev/null
+++ b/bin/tests/system/doth/setup.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 2 >ns1/example.db
+
+echo '; huge answer' >> ns1/example.db
+x=1
+while [ $x -le 50 ]; do
+    y=1
+    while [ $y -le 50 ]; do
+        printf 'biganswer\t\tA\t\t10.10.%d.%d\n' $x $y >> ns1/example.db
+        y=$((y+1))
+    done
+    x=$((x+1))
+done
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
diff --git a/bin/tests/system/doth/stress_http_quota.py b/bin/tests/system/doth/stress_http_quota.py
new file mode 100755
index 0000000..12e29c8
--- /dev/null
+++ b/bin/tests/system/doth/stress_http_quota.py
@@ -0,0 +1,252 @@
+#!/usr/bin/env python
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import os
+import sys
+import socket
+import subprocess
+import random
+import time
+
+from functools import reduce
+from resource import getrlimit
+from resource import setrlimit
+from resource import RLIMIT_NOFILE
+
+MULTIDIG_INSTANCES = 10
+CONNECT_TRIES = 5
+
+random.seed()
+
+# Ensure we have enough file desriptors to work
+rlimit_nofile = getrlimit(RLIMIT_NOFILE)
+if rlimit_nofile[0] < 1024:
+    setrlimit(RLIMIT_NOFILE, (1024, rlimit_nofile[1]))
+
+
+# Introduce some random delay
+def jitter():
+    time.sleep((500 + random.randint(0, 250)) / 1000000.0)
+
+
+# A set of simple procedures to get the test's configuration options
+def get_http_port(http_secure=False):
+    http_port_env = None
+    if http_secure:
+        http_port_env = os.getenv("HTTPSPORT")
+    else:
+        http_port_env = os.getenv("HTTPPORT")
+    if http_port_env:
+        return int(http_port_env)
+    return 443
+
+
+def get_http_host():
+    bind_host = os.getenv("BINDHOST")
+    if bind_host:
+        return bind_host
+    return "localhost"
+
+
+def get_dig_path():
+    dig_path = os.getenv("DIG")
+    if dig_path:
+        return dig_path
+    return "dig"
+
+
+# A simple class which creates the given number of TCP connections to
+# the given host in order to stress the BIND's quota facility
+class TCPConnector:
+    def __init__(self, host, port):
+        self.host = host
+        self.port = port
+        self.connections = []
+
+    def connect_one(self):
+        tries = CONNECT_TRIES
+        while tries > 0:
+            try:
+                sock = socket.create_connection(
+                    address=(self.host, self.port), timeout=None
+                )
+                self.connections.append(sock)
+                break
+            except ConnectionResetError:
+                # some jitter for BSDs
+                jitter()
+                continue
+            except TimeoutError:
+                jitter()
+                continue
+            finally:
+                tries -= 1
+
+    # Close an established connection (randomly)
+    def disconnect_random(self):
+        pos = random.randint(0, len(self.connections) - 1)
+        conn = self.connections[pos]
+        try:
+            conn.shutdown(socket.SHUT_RDWR)
+            conn.close()
+        except OSError:
+            conn.close()
+        finally:
+            self.connections.remove(conn)
+
+    def disconnect_all(self):
+        while len(self.connections) != 0:
+            self.disconnect_random()
+
+
+# A simple class which allows running a dig instance under control of
+# the process
+class SubDIG:
+    def __init__(self, http_secure=None, extra_args=None):
+        self.sub_process = None
+        self.dig_path = get_dig_path()
+        self.host = get_http_host()
+        self.port = get_http_port(http_secure=http_secure)
+        if http_secure:
+            self.http_secure = True
+        else:
+            self.http_secure = False
+        self.extra_args = extra_args
+
+    # This method constructs a command string
+    def get_command(self):
+        command = self.dig_path + " -p " + str(self.port) + " "
+        command = command + "+noadd +nosea +nostat +noquest +nocmd +time=30 "
+        if self.http_secure:
+            command = command + "+https "
+        else:
+            command = command + "+http-plain "
+        command = command + "@" + self.host + " "
+        if self.extra_args:
+            command = command + self.extra_args
+        return command
+
+    def run(self):
+        # pylint: disable=consider-using-with
+        with open(os.devnull, "w", encoding="utf-8") as devnull:
+            self.sub_process = subprocess.Popen(
+                self.get_command(), shell=True, stdout=devnull
+            )
+
+    def wait(self, timeout=None):
+        res = None
+        if timeout is None:
+            return self.sub_process.wait()
+        try:
+            res = self.sub_process.wait(timeout=timeout)
+        except subprocess.TimeoutExpired:
+            return None
+        return res
+
+    def alive(self):
+        return self.sub_process.poll() is None
+
+
+# A simple wrapper class which allows running multiple dig instances
+# and examining their statuses in one logical operation.
+class MultiDIG:
+    def __init__(self, numdigs, http_secure=None, extra_args=None):
+        assert int(numdigs) > 0
+        digs = []
+        for _ in range(1, int(numdigs) + 1):
+            digs.append(SubDIG(http_secure=http_secure, extra_args=extra_args))
+        self.digs = digs
+        assert len(self.digs) == int(numdigs)
+
+    def run(self):
+        for p in self.digs:
+            p.run()
+
+    def wait(self):
+        return map(lambda p: (p.wait()), self.digs)
+
+    # Wait for the all instances to terminate with expected given
+    # status. Returns true or false.
+    def wait_for_result(self, result):
+        return reduce(
+            lambda a, b: ((a == result or a is True) and b == result), self.wait()
+        )
+
+    def alive(self):
+        return reduce(lambda a, b: (a and b), map(lambda p: (p.alive()), self.digs))
+
+    def completed(self):
+        total = 0
+        for p in self.digs:
+            if not p.alive():
+                total += 1
+        return total
+
+
+# The test's main logic
+def run_test(http_secure=True):
+    query_args = "SOA ."
+    # Let's try to make a successful query
+    subdig = SubDIG(http_secure=http_secure, extra_args=query_args)
+    subdig.run()
+    assert subdig.wait() == 0, "DIG was expected to succeed"
+    # Let's create a lot of TCP connections to the server stress the
+    # HTTP quota
+    connector = TCPConnector(get_http_host(), get_http_port(http_secure=http_secure))
+    # Let's make queries until the quota kicks in
+    subdig = SubDIG(http_secure=http_secure, extra_args=query_args)
+    subdig.run()
+    while True:
+        connector.connect_one()
+        subdig = SubDIG(http_secure=http_secure, extra_args=query_args)
+        subdig.run()
+        if subdig.wait(timeout=5) is None:
+            break
+
+    # At this point quota has kicked in.  Additionally, let's create a
+    # bunch of dig processes all trying to make a query against the
+    # server with exceeded quota
+    multidig = MultiDIG(
+        MULTIDIG_INSTANCES, http_secure=http_secure, extra_args=query_args
+    )
+    multidig.run()
+    # Wait for the dig instance to complete. Not a single instance has
+    # a chance to complete successfully because of the exceeded quota
+    assert (
+        subdig.wait(timeout=5) is None
+    ), "The single DIG instance has stopped prematurely"
+    assert subdig.alive(), "The single DIG instance is expected to be alive"
+    assert multidig.alive(), (
+        "The DIG instances from the set are all expected to "
+        "be alive, but {} of them have completed"
+    ).format(multidig.completed())
+    # Let's close opened connections (in random order) to let all dig
+    # processes to complete
+    connector.disconnect_all()
+    # Wait for all processes to complete successfully
+    assert subdig.wait() == 0, "Single DIG instance failed"
+    assert (
+        multidig.wait_for_result(0) is True
+    ), "One or more of DIG instances returned unexpected results"
+
+
+def main():
+    run_test(http_secure=True)
+    run_test(http_secure=False)
+    # If we have reached this point we could safely return 0
+    # (success). If the test fails because of an assert, the whole
+    # program will return non-zero exit code and produce the backtrace
+    return 0
+
+
+sys.exit(main())
diff --git a/bin/tests/system/doth/tests.sh b/bin/tests/system/doth/tests.sh
new file mode 100644
index 0000000..a95bd8c
--- /dev/null
+++ b/bin/tests/system/doth/tests.sh
@@ -0,0 +1,889 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck disable=SC1091
+. ../conf.sh
+
+common_dig_options="+noadd +nosea +nostat +noquest +nocmd"
+msg_xfrs_not_allowed=";; zone transfers over the established TLS connection are not allowed"
+msg_peer_verification_failed=";; TLS peer certificate verification"
+
+ca_file="./CA/CA.pem"
+
+if [ -x "$PYTHON" ]; then
+	OPENSSL_VERSION=$("$PYTHON" "$TOP_SRCDIR/bin/tests/system/doth/get_openssl_version.py")
+	OPENSSL_VERSION_MAJOR=$(echo "$OPENSSL_VERSION" | cut -d ' ' -f 1)
+	OPENSSL_VERSION_MINOR=$(echo "$OPENSSL_VERSION" | cut -d ' ' -f 2)
+fi
+
+# According to the RFC 8310, Section 8.1, Subject field MUST
+# NOT be inspected when verifying a hostname when using
+# DoT. Only SubjectAltName must be checked instead. That is
+# not the case for HTTPS, though.
+
+# Unfortunately, some quite old versions of OpenSSL (< 1.1.1)
+# might lack the functionality to implement that. It should
+# have very little real-world consequences, as most of the
+# production-ready certificates issued by real CAs will have
+# SubjectAltName set. In such a case, the Subject field is
+# ignored.
+#
+# On the platforms with too old TLS versions, e.g. RedHat 7, we should
+# ignore the tests checking the correct handling of absence of
+# SubjectAltName.
+if [ -n "$OPENSSL_VERSION" ]; then
+	if [ $OPENSSL_VERSION_MAJOR -gt 1 ]; then
+		run_san_tests=1
+	elif  [ $OPENSSL_VERSION_MAJOR -eq 1 ] && [ $OPENSSL_VERSION_MINOR -ge 1 ]; then
+		run_san_tests=1
+	fi
+fi
+
+dig_with_tls_opts() {
+	# shellcheck disable=SC2086
+	"$DIG" +tls $common_dig_options -p "${TLSPORT}" "$@"
+}
+
+dig_with_https_opts() {
+	# shellcheck disable=SC2086
+	"$DIG" +https $common_dig_options -p "${HTTPSPORT}" "$@"
+}
+
+dig_with_http_opts() {
+	# shellcheck disable=SC2086
+	"$DIG" +http-plain $common_dig_options -p "${HTTPPORT}" "$@"
+}
+
+dig_with_opts() {
+	# shellcheck disable=SC2086
+	"$DIG" $common_dig_options -p "${PORT}" "$@"
+}
+
+wait_for_tls_xfer() (
+	srv_number="$1"
+	shift
+	zone_name="$1"
+	shift
+	# Let's bind to .10 to make it possible to easily distinguish dig from NSs in packet traces
+	dig_with_tls_opts -b 10.53.0.10 "@10.53.0.$srv_number" "${zone_name}." AXFR > "dig.out.ns$srv_number.${zone_name}.test$n" || return 1
+	grep "^;" "dig.out.ns$srv_number.${zone_name}.test$n" > /dev/null && return 1
+	return 0
+)
+
+status=0
+n=0
+
+n=$((n+1))
+echo_i "testing XoT server functionality (using dig) ($n)"
+ret=0
+dig_with_tls_opts example. -b 10.53.0.10 @10.53.0.1 axfr > dig.out.ns1.test$n || ret=1
+grep "^;" dig.out.ns1.test$n | cat_i
+digcomp example.axfr.good dig.out.ns1.test$n || ret=1
+if test $ret != 0 ; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing incoming XoT functionality (from the first secondary) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 2 example; then
+	digcomp example.axfr.good "dig.out.ns2.example.test$n" || ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+	grep "^;" "dig.out.ns2.example.test$n" | cat_i
+	ret=1
+fi
+if test $ret != 0 ; then echo_i "failed"; fi
+status=$((status+ret))
+
+if [ -n "$run_san_tests" ]; then
+	n=$((n + 1))
+	echo_i "testing incoming XoT functionality (from the first secondary, no SubjectAltName, failure expected) ($n)"
+	ret=0
+	if retry_quiet 10 wait_for_tls_xfer 2 example3; then
+		ret=1
+	else
+		echo_i "timed out waiting for zone transfer"
+	fi
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+fi
+
+n=$((n + 1))
+echo_i "testing incoming XoT functionality (from the first secondary, StrictTLS via implicit IP) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 2 example4; then
+	retry_quiet 5 test -f "ns2/example4.db" || ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+	grep "^;" "dig.out.ns2.example4.test$n" | cat_i
+	ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing incoming XoT functionality (from the first secondary, StrictTLS via specified IPv4) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 2 example5; then
+	retry_quiet 5 test -f "ns2/example5.db" || ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+	grep "^;" "dig.out.ns2.example5.test$n" | cat_i
+	ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing incoming XoT functionality (from the first secondary, StrictTLS via specified IPv6) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 2 example6; then
+	retry_quiet 5 test -f "ns2/example6.db" || ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+	grep "^;" "dig.out.ns2.example6.test$n" | cat_i
+	ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing incoming XoT functionality (from the first secondary, wrong hostname, failure expected) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 2 example7; then
+	ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing incoming XoT functionality (from the first secondary, expired certificate, failure expected) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 2 example8; then
+	ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing incoming XoT functionality (from the first secondary, MutualTLS) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 2 example9; then
+	retry_quiet 5 test -f "ns2/example9.db" || ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+	grep "^;" "dig.out.ns2.example9.test$n" | cat_i
+	ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing incoming XoT functionality (from the first secondary, MutualTLS, no client cert, failure expected) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 2 example10; then
+	ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing incoming XoT functionality (from the first secondary, MutualTLS, expired client cert, failure expected) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 2 example11; then
+	ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "testing incoming XoT functionality (from the second secondary) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 3 example; then
+	digcomp example.axfr.good "dig.out.ns3.example.test$n" || ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+	grep "^;" "dig.out.ns3.example.test$n" | cat_i
+	ret=1
+fi
+if test $ret != 0 ; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing incoming XoT functionality (from the second secondary, mismatching ciphers, failure expected) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 3 example2; then
+	ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+fi
+if test $ret != 0 ; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing incoming XoT functionality (from the third secondary) ($n)"
+ret=0
+if retry_quiet 10 wait_for_tls_xfer 4 example; then
+	digcomp example.axfr.good "dig.out.ns4.example.test$n" || ret=1
+else
+	echo_i "timed out waiting for zone transfer"
+	grep "^;" "dig.out.ns4.example.test$n" | cat_i
+	ret=1
+fi
+if test $ret != 0 ; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n + 1))
+echo_i "checking DoT query (ephemeral key) ($n)"
+ret=0
+dig_with_tls_opts @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoT query via IPv6 (ephemeral key) ($n)"
+ret=0
+dig_with_tls_opts -6 @fd92:7065:b8e:ffff::1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoT query (static key) ($n)"
+ret=0
+dig_with_tls_opts @10.53.0.2 example SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoT query via IPv6 (static key) ($n)"
+ret=0
+dig_with_tls_opts -6 @fd92:7065:b8e:ffff::2 example SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoT XFR ($n)"
+ret=0
+dig_with_tls_opts +comm @10.53.0.1 . AXFR > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# zone transfers are allowed only via TLS
+n=$((n+1))
+echo_i "testing zone transfer over Do53 server functionality (using dig, failure expected) ($n)"
+ret=0
+dig_with_opts example. -b 10.53.0.10 @10.53.0.1 axfr > dig.out.ns1.test$n || ret=1
+grep "; Transfer failed." dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# querying zones is still allowed via UDP/TCP
+n=$((n + 1))
+echo_i "checking Do53 query ($n)"
+ret=0
+dig_with_opts @10.53.0.1 example SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# In this test we are trying to establish a DoT connection over the
+# DoH port. That is intentional, as dig should fail right after
+# handshake has happened and before sending any queries, as XFRs, per
+# the RFC, could happen only over a connection where "dot" ALPN token
+# was negotiated.  over DoH it cannot happen, as only "h2" token could
+# be selected for a DoH connection.
+n=$((n + 1))
+echo_i "checking DoT XFR with wrong ALPN token (h2, failure expected) ($n)"
+ret=0
+# shellcheck disable=SC2086
+"$DIG" +tls $common_dig_options -p "${HTTPSPORT}" +comm @10.53.0.1 . AXFR > dig.out.test$n
+grep "$msg_xfrs_not_allowed" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Let's try to issue an HTTP/2 query over TLS port to check if dig
+# will detect ALPN token negotiation problem.
+n=$((n + 1))
+echo_i "checking DoH query when ALPN is expected to fail (dot, failure expected) ($n)"
+ret=0
+# shellcheck disable=SC2086
+"$DIG" +https $common_dig_options -p "${TLSPORT}" "$@" @10.53.0.1 . SOA > dig.out.test$n && ret=1
+grep "ALPN for HTTP/2 failed." dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (POST) ($n)"
+ret=0
+dig_with_https_opts +stat @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep -F "(HTTPS)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query via IPv6 (POST) ($n)"
+ret=0
+dig_with_https_opts +stat -6 @fd92:7065:b8e:ffff::1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep -F "(HTTPS)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (POST, static key) ($n)"
+ret=0
+dig_with_https_opts @10.53.0.2 example SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query via IPv6 (POST, static key) ($n)"
+ret=0
+dig_with_https_opts -6 @fd92:7065:b8e:ffff::2 example SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (POST, nonstandard endpoint) ($n)"
+ret=0
+dig_with_https_opts +https=/alter @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query via IPv6 (POST, nonstandard endpoint) ($n)"
+ret=0
+dig_with_https_opts -6 +https=/alter @fd92:7065:b8e:ffff::1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (POST, undefined endpoint, failure expected) ($n)"
+ret=0
+dig_with_https_opts +tries=1 +time=1 +https=/fake @10.53.0.1 . SOA > dig.out.test$n && ret=1
+grep "communications error" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query via IPv6 (POST, undefined endpoint, failure expected) ($n)"
+ret=0
+dig_with_https_opts -6 +tries=1 +time=1 +https=/fake @fd92:7065:b8e:ffff::1 . SOA > dig.out.test$n && ret=1
+grep "communications error" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH XFR (POST) (failure expected) ($n)"
+ret=0
+dig_with_https_opts +comm @10.53.0.1 . AXFR > dig.out.test$n || ret=1
+grep "; Transfer failed." dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (GET) ($n)"
+ret=0
+dig_with_https_opts +stat +https-get @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep -F "(HTTPS-GET)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query via IPv6 (GET) ($n)"
+ret=0
+dig_with_https_opts -6 +stat +https-get @fd92:7065:b8e:ffff::1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep -F "(HTTPS-GET)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (GET, static key) ($n)"
+ret=0
+dig_with_https_opts +https-get @10.53.0.2 example SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query via IPv6 (GET, static key) ($n)"
+ret=0
+dig_with_https_opts -6 +https-get @fd92:7065:b8e:ffff::2 example SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (GET, nonstandard endpoint) ($n)"
+ret=0
+dig_with_https_opts +https-get=/alter @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query via IPv6 (GET, nonstandard endpoint) ($n)"
+ret=0
+dig_with_https_opts -6 +https-get=/alter @fd92:7065:b8e:ffff::1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (GET, undefined endpoint, failure expected) ($n)"
+ret=0
+dig_with_https_opts +tries=1 +time=1 +https-get=/fake @10.53.0.1 . SOA > dig.out.test$n && ret=1
+grep "communications error" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query via IPv6 (GET, undefined endpoint, failure expected) ($n)"
+ret=0
+dig_with_https_opts -6 +tries=1 +time=1 +https-get=/fake @fd92:7065:b8e:ffff::1 . SOA > dig.out.test$n && ret=1
+grep "communications error" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH XFR (GET) (failure expected) ($n)"
+ret=0
+dig_with_https_opts +https-get +comm @10.53.0.1 . AXFR > dig.out.test$n || ret=1
+grep "; Transfer failed." dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking unencrypted DoH query (POST) ($n)"
+ret=0
+dig_with_http_opts +stat @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep -F "(HTTP)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking unencrypted DoH query via IPv6 (POST) ($n)"
+ret=0
+dig_with_http_opts -6 +stat @fd92:7065:b8e:ffff::1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep -F "(HTTP)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking unencrypted DoH query (GET) ($n)"
+ret=0
+dig_with_http_opts +stat +http-plain-get @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep -F "(HTTP-GET)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking unencrypted DoH query via IPv6 (GET) ($n)"
+ret=0
+dig_with_http_opts -6 +stat +http-plain-get @fd92:7065:b8e:ffff::1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep -F "(HTTP-GET)" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking unencrypted DoH XFR (failure expected) ($n)"
+ret=0
+dig_with_http_opts +comm @10.53.0.1 . AXFR > dig.out.test$n || ret=1
+grep "; Transfer failed." dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query for a large answer (POST) ($n)"
+ret=0
+dig_with_https_opts @10.53.0.1 biganswer.example A > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2500" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query via IPv6 for a large answer (POST) ($n)"
+ret=0
+dig_with_https_opts -6 @fd92:7065:b8e:ffff::1 biganswer.example A > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2500" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query for a large answer (GET) ($n)"
+ret=0
+dig_with_https_opts +https-get @10.53.0.1 biganswer.example A > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2500" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query via IPv6 for a large answer (GET) ($n)"
+ret=0
+dig_with_https_opts -6 +https-get @fd92:7065:b8e:ffff::1 biganswer.example A > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2500" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking unencrypted DoH query for a large answer (POST) ($n)"
+ret=0
+dig_with_http_opts @10.53.0.1 biganswer.example A > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2500" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking unencrypted DoH query via IPv6 for a large answer (POST) ($n)"
+ret=0
+dig_with_http_opts -6 @fd92:7065:b8e:ffff::1 biganswer.example A > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2500" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking unencrypted DoH query for a large answer (GET) ($n)"
+ret=0
+dig_with_http_opts +http-plain-get @10.53.0.1 biganswer.example A > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2500" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking unencrypted DoH query via IPv6 for a large answer (GET) ($n)"
+ret=0
+dig_with_http_opts -6 +http-plain-get @fd92:7065:b8e:ffff::1 biganswer.example A > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2500" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+wait_for_tlsctx_update_ns4 () {
+	grep "updating TLS context on 10.53.0.4#${HTTPSPORT}" ns4/named.run > /dev/null || return 1
+	grep "updating TLS context on 10.53.0.4#${TLSPORT}" ns4/named.run > /dev/null || return 1
+	return 0
+}
+
+n=$((n + 1))
+echo_i "doing rndc reconfig to see that queries keep being served after that ($n)"
+ret=0
+rndc_reconfig ns4 10.53.0.4 60
+retry_quiet 15 wait_for_tlsctx_update_ns4 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoT query after a reconfiguration ($n)"
+ret=0
+dig_with_tls_opts @10.53.0.4 example SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (POST) after a reconfiguration ($n)"
+ret=0
+dig_with_https_opts @10.53.0.4 example SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "doing rndc reconfig to see if HTTP endpoints have gotten reconfigured ($n)"
+ret=0
+# 'sed -i ...' is not portable. Sigh...
+sed 's/\/dns-query/\/dns-query-test/g' "ns4/named.conf" >  "ns4/named.conf.sed"
+mv -f "ns4/named.conf.sed" "ns4/named.conf"
+rndc_reconfig ns4 10.53.0.4 60
+retry_quiet 15 wait_for_tlsctx_update_ns4 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (POST) to verify HTTP endpoint reconfiguration ($n)"
+ret=0
+dig_with_https_opts +https='/dns-query-test' @10.53.0.4 example SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoT query (with TLS verification enabled) ($n)"
+ret=0
+dig_with_tls_opts +tls-ca="$ca_file" +tls-hostname="srv01.crt01.example.com" @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (with TLS verification enabled, self-signed cert, failure expected) ($n)"
+ret=0
+dig_with_https_opts +tls-ca="$ca_file" +tls-hostname="srv01.crt01.example.com" @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "$msg_peer_verification_failed" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoT query (with TLS verification using the system's CA store, failure expected) ($n)"
+ret=0
+dig_with_tls_opts +tls-ca +tls-hostname="srv01.crt01.example.com" @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "$msg_peer_verification_failed" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (with TLS verification using the system's CA store, failure expected) ($n)"
+ret=0
+dig_with_https_opts +tls-ca +tls-hostname="srv01.crt01.example.com" @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "$msg_peer_verification_failed" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# the primary server's certificate contains the IP address in the
+# SubjectAltName section
+n=$((n + 1))
+echo_i "checking DoT query (with TLS verification, hostname is not specified, IP address is used instead) ($n)"
+ret=0
+dig_with_tls_opts +tls-ca="$ca_file" @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "$msg_peer_verification_failed" dig.out.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if [ -n "$run_san_tests" ]; then
+	# SubjectAltName is required for DoT as according to RFC 8310, Subject
+	# field MUST NOT be inspected when verifying hostname for DoT.
+	n=$((n + 1))
+	echo_i "checking DoT query (with TLS verification enabled when SubjectAltName is not set, failure expected) ($n)"
+	ret=0
+	dig_with_tls_opts +tls-ca="$ca_file" +tls-hostname="srv01.crt02-no-san.example.com" @10.53.0.1 . SOA > dig.out.test$n || ret=1
+	grep "$msg_peer_verification_failed" dig.out.test$n > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	n=$((n + 1))
+	echo_i "checking DoT XFR over a TLS port where SubjectAltName is not set (failure expected) ($n)"
+	ret=0
+	# shellcheck disable=SC2086
+	dig_with_tls_opts +tls-ca="$ca_file" +tls-hostname="srv01.crt02-no-san.example.com" -p "${EXTRAPORT2}" +comm @10.53.0.1 . AXFR > dig.out.test$n || ret=1
+	grep "$msg_peer_verification_failed" dig.out.test$n > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+fi
+
+# SubjectAltName is not required for HTTPS. Having a properly set
+# Common Name in the Subject field is enough.
+n=$((n + 1))
+echo_i "checking DoH query (when SubjectAltName is not set) ($n)"
+ret=0
+dig_with_https_opts +tls-ca="$ca_file" +tls-hostname="srv01.crt02-no-san.example.com" -p "${EXTRAPORT3}" +comm @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoT query (expired certificate, Opportunistic TLS) ($n)"
+ret=0
+dig_with_tls_opts +tls -p "${EXTRAPORT4}" +comm @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoT query (expired certificate, Strict TLS, failure expected) ($n)"
+ret=0
+dig_with_tls_opts +tls-ca="$ca_file" -p "${EXTRAPORT4}" +comm @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "$msg_peer_verification_failed" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "testing XoT server functionality (using dig, client certificate required, failure expected) ($n)"
+ret=0
+dig_with_tls_opts +tls-ca="$ca_file" -p "${EXTRAPORT5}" example8. -b 10.53.0.10 @10.53.0.1 axfr > dig.out.ns1.test$n || ret=1
+grep "; Transfer failed." dig.out.ns1.test$n > /dev/null || ret=1
+if test $ret != 0 ; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "testing XoT server functionality (using dig, client certificate used) ($n)"
+ret=0
+dig_with_tls_opts +tls-ca="$ca_file" +tls-certfile="./CA/certs/srv01.client01.example.com.pem" +tls-keyfile="./CA/certs/srv01.client01.example.com.key" -p "${EXTRAPORT5}" example8. -b 10.53.0.10 @10.53.0.1 axfr > dig.out.ns1.test$n || ret=1
+digcomp dig.out.ns1.test$n example8.axfr.good > /dev/null || ret=1
+if test $ret != 0 ; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (client certificate required, failure expected) ($n)"
+ret=0
+dig_with_https_opts +tls-ca="$ca_file" -p "${EXTRAPORT6}" +comm @10.53.0.1 . SOA > dig.out.test$n && ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking DoH query (client certificate used) ($n)"
+ret=0
+# shellcheck disable=SC2086
+dig_with_https_opts +https +tls-ca="$ca_file" +tls-certfile="./CA/certs/srv01.client01.example.com.pem" +tls-keyfile="./CA/certs/srv01.client01.example.com.key" -p "${EXTRAPORT6}" +comm @10.53.0.1 . SOA > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# send two requests one after another so that session resumption will happen
+n=$((n + 1))
+echo_i "checking DoH query (client certificate used - session resumption when using Mutual TLS) ($n)"
+ret=0
+# shellcheck disable=SC2086
+dig_with_https_opts +https +tls-ca="$ca_file" +tls-certfile="./CA/certs/srv01.client01.example.com.pem" +tls-keyfile="./CA/certs/srv01.client01.example.com.key" -p "${EXTRAPORT6}" +comm @10.53.0.1 . SOA . SOA > dig.out.test$n || ret=1
+grep "TLS error" dig.out.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+test_opcodes() {
+	EXPECT_STATUS="$1"
+	shift
+	for op in "$@";
+	do
+		n=$((n + 1))
+		echo_i "checking unexpected opcode query over DoH for opcode $op ($n)"
+		ret=0
+		dig_with_https_opts +https @10.53.0.1 +opcode="$op" > dig.out.test$n || ret=1
+		grep "status: $EXPECT_STATUS" dig.out.test$n > /dev/null || ret=1
+		if [ $ret != 0 ]; then echo_i "failed"; fi
+		status=$((status + ret))
+
+		n=$((n + 1))
+		echo_i "checking unexpected opcode query over DoH via IPv6 for opcode $op ($n)"
+		ret=0
+		dig_with_https_opts -6 +https @fd92:7065:b8e:ffff::1 +opcode="$op" > dig.out.test$n || ret=1
+		grep "status: $EXPECT_STATUS" dig.out.test$n > /dev/null || ret=1
+		if [ $ret != 0 ]; then echo_i "failed"; fi
+		status=$((status + ret))
+
+		n=$((n + 1))
+		echo_i "checking unexpected opcode query over DoH without encryption for opcode $op ($n)"
+		ret=0
+		dig_with_http_opts +http-plain @10.53.0.1 +opcode="$op" > dig.out.test$n || ret=1
+		grep "status: $EXPECT_STATUS" dig.out.test$n > /dev/null || ret=1
+		if [ $ret != 0 ]; then echo_i "failed"; fi
+		status=$((status + ret))
+
+		n=$((n + 1))
+		echo_i "checking unexpected opcode query over DoH via IPv6 without encryption for opcode $op ($n)"
+		ret=0
+		dig_with_http_opts -6 +http-plain @fd92:7065:b8e:ffff::1 +opcode="$op" > dig.out.test$n || ret=1
+		grep "status: $EXPECT_STATUS" dig.out.test$n > /dev/null || ret=1
+		if [ $ret != 0 ]; then echo_i "failed"; fi
+		status=$((status + ret))
+
+		n=$((n + 1))
+		echo_i "checking unexpected opcode query over DoT for opcode $op ($n)"
+		ret=0
+		dig_with_tls_opts +tls @10.53.0.1 +opcode="$op" > dig.out.test$n || ret=1
+		grep "status: $EXPECT_STATUS" dig.out.test$n > /dev/null || ret=1
+		if [ $ret != 0 ]; then echo_i "failed"; fi
+		status=$((status + ret))
+
+		n=$((n + 1))
+		echo_i "checking unexpected opcode query over DoT via IPv6 for opcode $op ($n)"
+		ret=0
+		dig_with_tls_opts -6 +tls @fd92:7065:b8e:ffff::1 +opcode="$op" > dig.out.test$n || ret=1
+		grep "status: $EXPECT_STATUS" dig.out.test$n > /dev/null || ret=1
+		if [ $ret != 0 ]; then echo_i "failed"; fi
+		status=$((status + ret))
+	done
+}
+
+test_opcodes NOERROR 0
+test_opcodes NOTIMP 1 2 3 6 7 8 9 10 11 12 13 14 15
+test_opcodes FORMERR 4 5
+
+n=$((n + 1))
+echo_i "checking server quotas for both encrypted and unencrypted HTTP ($n)"
+ret=0
+if [ -x "$PYTHON" ]; then
+	BINDHOST="10.53.0.1" "$PYTHON" "$TOP_SRCDIR/bin/tests/system/doth/stress_http_quota.py" || ret=$?
+else
+	echo_i "Python is not available. Skipping the test..."
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# check whether we can use curl for sending test queries.
+if [ -x "${CURL}" ] ; then
+	CURL_HTTP2="$(${CURL} --version | grep -E '^Features:.* HTTP2( |$)' || true)"
+
+	if [ -n "$CURL_HTTP2" ]; then
+		testcurl=1
+	else
+		echo_i "The available version of CURL does not have HTTP/2 support"
+	fi
+fi
+
+# Note: see README.curl for information on how to generate curl
+# queries.
+if [ -n "$testcurl" ]; then
+	n=$((n + 1))
+	echo_i "checking max-age for positive answer ($n)"
+	ret=0
+	# use curl to query for 'example/SOA'
+	$CURL -kD headers.$n "https://10.53.0.1:${HTTPSPORT}/dns-query?dns=AAEAAAABAAAAAAAAB2V4YW1wbGUAAAYAAQ" > /dev/null 2>&1 || ret=1
+	grep "cache-control: max-age=86400" headers.$n > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+
+	n=$((n + 1))
+	echo_i "checking max-age for negative answer ($n)"
+	ret=0
+	# use curl to query for 'fake.example/TXT'
+	$CURL -kD headers.$n "https://10.53.0.1:${HTTPSPORT}/dns-query?dns=AAEAAAABAAAAAAAABGZha2UHZXhhbXBsZQAAEAAB" > /dev/null 2>&1 || ret=1
+	grep "cache-control: max-age=3600" headers.$n > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/doth/tests_gnutls.py b/bin/tests/system/doth/tests_gnutls.py
new file mode 100644
index 0000000..5ddb708
--- /dev/null
+++ b/bin/tests/system/doth/tests_gnutls.py
@@ -0,0 +1,108 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import selectors
+import struct
+import subprocess
+import time
+
+import pytest
+
+pytest.importorskip("dns")
+import dns.exception
+import dns.message
+import dns.name
+import dns.rdataclass
+import dns.rdatatype
+
+
+def test_gnutls_cli_query(gnutls_cli_executable, named_tlsport):
+    # Prepare the example/SOA query which will be sent over TLS.
+    query = dns.message.make_query("example.", dns.rdatatype.SOA)
+    query_wire = query.to_wire()
+    query_with_length = struct.pack(">H", len(query_wire)) + query_wire
+
+    # Run gnutls-cli.
+    gnutls_cli_args = [
+        gnutls_cli_executable,
+        "--no-ca-verification",
+        "-V",
+        "--no-ocsp",
+        "--alpn=dot",
+        "--logfile=gnutls-cli.log",
+        "--port=%d" % named_tlsport,
+        "10.53.0.1",
+    ]
+    with open("gnutls-cli.err", "wb") as gnutls_cli_stderr, subprocess.Popen(
+        gnutls_cli_args,
+        stdin=subprocess.PIPE,
+        stdout=subprocess.PIPE,
+        stderr=gnutls_cli_stderr,
+        bufsize=0,
+    ) as gnutls_cli:
+        # Send the example/SOA query to the standard input of gnutls-cli.  Do
+        # not close standard input yet because that causes gnutls-cli to close
+        # the TLS connection immediately, preventing the response from being
+        # read.
+        gnutls_cli.stdin.write(query_with_length)
+        gnutls_cli.stdin.flush()
+
+        # Keep reading data from the standard output of gnutls-cli until a full
+        # DNS message is received or a timeout is exceeded or gnutls-cli exits.
+        # Popen.communicate() cannot be used here because: a) it closes
+        # standard input after sending data to the process (see above why this
+        # is a problem), b) gnutls-cli is not DNS-aware, so it does not exit
+        # upon receiving a DNS response.
+        selector = selectors.DefaultSelector()
+        selector.register(gnutls_cli.stdout, selectors.EVENT_READ)
+        deadline = time.time() + 10
+        gnutls_cli_output = b""
+        response = b""
+        while not response and not gnutls_cli.poll():
+            if not selector.select(timeout=deadline - time.time()):
+                break
+            gnutls_cli_output += gnutls_cli.stdout.read(512)
+            try:
+                # Ignore TCP length, just try to parse a DNS message from
+                # the rest of the data received.
+                response = dns.message.from_wire(gnutls_cli_output[2:])
+            except dns.exception.FormError:
+                continue
+
+        # At this point either a DNS response was received or a timeout fired
+        # or gnutls-cli exited prematurely.  Close the standard input of
+        # gnutls-cli.  Terminate it if that does not cause it to shut down
+        # gracefully.
+        gnutls_cli.stdin.close()
+        try:
+            gnutls_cli.wait(5)
+        except subprocess.TimeoutExpired:
+            gnutls_cli.kill()
+
+    # Store the response received for diagnostic purposes.
+    with open("gnutls-cli.out.bin", "wb") as response_bin:
+        response_bin.write(gnutls_cli_output)
+    if response:
+        with open("gnutls-cli.out.txt", "w", encoding="utf-8") as response_txt:
+            response_txt.write(response.to_text())
+
+    # Check whether a response was received and whether it is sane.
+    assert response
+    assert query.id == response.id
+    assert len(response.answer) == 1
+    assert response.answer[0].match(
+        dns.name.from_text("example."),
+        dns.rdataclass.IN,
+        dns.rdatatype.SOA,
+        dns.rdatatype.NONE,
+    )
diff --git a/bin/tests/system/doth/tests_sh_doth.py b/bin/tests/system/doth/tests_sh_doth.py
new file mode 100644
index 0000000..ef87a06
--- /dev/null
+++ b/bin/tests/system/doth/tests_sh_doth.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_doth(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/doth/tests_sslyze.py b/bin/tests/system/doth/tests_sslyze.py
new file mode 100644
index 0000000..2562fe4
--- /dev/null
+++ b/bin/tests/system/doth/tests_sslyze.py
@@ -0,0 +1,65 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import os
+import pathlib
+import subprocess
+
+import pytest
+
+
+def is_pid_alive(pid):
+    try:
+        os.kill(pid, 0)
+        return True
+    except OSError:
+        return False
+
+
+def run_sslyze_in_a_loop(executable, port, log_file_prefix):
+    # Determine the PID of ns1.
+    with open(pathlib.Path("ns1", "named.pid"), encoding="utf-8") as pidfile:
+        pid = int(pidfile.read())
+
+    # Ensure ns1 is alive before starting the loop below to avoid reporting
+    # false positives.
+    if not is_pid_alive(pid):
+        pytest.skip(f"ns1 (PID: {pid}) is not running")
+
+    # Run sslyze on ns1 in a loop with a limit of 30 iterations.  Interrupt the
+    # test as soon as ns1 is determined to not be running any more.  Log sslyze
+    # output.
+    sslyze_args = [executable, f"10.53.0.1:{port}"]
+    for i in range(0, 30):
+        log_file = f"{log_file_prefix}.ns1.{port}.{i + 1}"
+        with open(log_file, "wb") as sslyze_log:
+            # Run sslyze, logging stdout+stderr.  Ignore the exit code since
+            # sslyze is only used for triggering crashes here rather than
+            # actual TLS analysis.
+            subprocess.run(
+                sslyze_args,
+                stdout=sslyze_log,
+                stderr=subprocess.STDOUT,
+                timeout=30,
+                check=False,
+            )
+            # Ensure ns1 is still alive after each sslyze run.
+            assert is_pid_alive(pid), f"ns1 (PID: {pid}) exited prematurely"
+
+
+def test_sslyze_doh(sslyze_executable, named_httpsport):
+    run_sslyze_in_a_loop(sslyze_executable, named_httpsport, "sslyze.log.doh")
+
+
+def test_sslyze_dot(sslyze_executable, named_tlsport):
+    run_sslyze_in_a_loop(sslyze_executable, named_tlsport, "sslyze.log.dot")
diff --git a/bin/tests/system/dsdigest/clean.sh b/bin/tests/system/dsdigest/clean.sh
new file mode 100644
index 0000000..172cf1e
--- /dev/null
+++ b/bin/tests/system/dsdigest/clean.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f supported
+rm -f */K* */dsset-* */*.signed */trusted.conf
+rm -f ns1/root.db
+rm -f ns1/signer.err
+rm -f ns2/good.db ns2/bad.db
+rm -f dig.out*
+rm -f */named.conf
+rm -f */named.run
+rm -f */named.memstats
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/dsdigest/ns1/named.conf.in b/bin/tests/system/dsdigest/ns1/named.conf.in
new file mode 100644
index 0000000..da27c58
--- /dev/null
+++ b/bin/tests/system/dsdigest/ns1/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/dsdigest/ns1/root.db.in b/bin/tests/system/dsdigest/ns1/root.db.in
new file mode 100644
index 0000000..30c61e9
--- /dev/null
+++ b/bin/tests/system/dsdigest/ns1/root.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	marka.isc.org. a.root.servers.nil. (
+				2012062000   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+good.			NS	ns2.good.
+ns2.good.		A	10.53.0.2
+bad.			NS	ns2.bad.
+ns2.bad.		A	10.53.0.2
diff --git a/bin/tests/system/dsdigest/ns1/sign.sh b/bin/tests/system/dsdigest/ns1/sign.sh
new file mode 100644
index 0000000..d7efd9a
--- /dev/null
+++ b/bin/tests/system/dsdigest/ns1/sign.sh
@@ -0,0 +1,36 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+(cd ../ns2 && $SHELL sign.sh)
+
+cp ../ns2/dsset-good. .
+cp ../ns2/dsset-bad. .
+
+key1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+key2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+
+cat $infile $key1.key $key2.key > $zonefile
+
+$SIGNER -P -g -o $zone $zonefile > /dev/null
+
+# Configure the resolving server with a static key.
+keyfile_to_static_ds $key2 > trusted.conf
+cp trusted.conf ../ns2/trusted.conf
+cp trusted.conf ../ns3/trusted.conf
+cp trusted.conf ../ns4/trusted.conf
diff --git a/bin/tests/system/dsdigest/ns2/bad.db.in b/bin/tests/system/dsdigest/ns2/bad.db.in
new file mode 100644
index 0000000..c5e8c83
--- /dev/null
+++ b/bin/tests/system/dsdigest/ns2/bad.db.in
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+
+a			A	10.0.0.1
diff --git a/bin/tests/system/dsdigest/ns2/good.db.in b/bin/tests/system/dsdigest/ns2/good.db.in
new file mode 100644
index 0000000..c5e8c83
--- /dev/null
+++ b/bin/tests/system/dsdigest/ns2/good.db.in
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+
+a			A	10.0.0.1
diff --git a/bin/tests/system/dsdigest/ns2/named.conf.in b/bin/tests/system/dsdigest/ns2/named.conf.in
new file mode 100644
index 0000000..d3fd750
--- /dev/null
+++ b/bin/tests/system/dsdigest/ns2/named.conf.in
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "good" {
+	type primary;
+	file "good.db.signed";
+};
+
+zone "bad" {
+	type primary;
+	file "bad.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/dsdigest/ns2/sign.sh b/bin/tests/system/dsdigest/ns2/sign.sh
new file mode 100644
index 0000000..5bb4fce
--- /dev/null
+++ b/bin/tests/system/dsdigest/ns2/sign.sh
@@ -0,0 +1,43 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone1=good
+infile1=good.db.in
+zonefile1=good.db
+zone2=bad
+infile2=bad.db.in
+zonefile2=bad.db
+
+keyname11=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone1)
+keyname12=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone1)
+keyname21=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone2)
+keyname22=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone2)
+
+cat $infile1 $keyname11.key $keyname12.key >$zonefile1
+cat $infile2 $keyname21.key $keyname22.key >$zonefile2
+
+$SIGNER -P -g -o $zone1 $zonefile1 > /dev/null
+$SIGNER -P -g -o $zone2 $zonefile2 > /dev/null
+
+DSFILENAME1=dsset-${zone1}.
+DSFILENAME2=dsset-${zone2}.
+$DSFROMKEY -a SHA-256 $keyname12 > $DSFILENAME1
+$DSFROMKEY -a SHA-256 $keyname22 > $DSFILENAME2
+
+algo=SHA-384
+
+$DSFROMKEY -a $algo $keyname12 >> $DSFILENAME1
+$DSFROMKEY -a $algo $keyname22 > $DSFILENAME2
+
diff --git a/bin/tests/system/dsdigest/ns3/named.conf.in b/bin/tests/system/dsdigest/ns3/named.conf.in
new file mode 100644
index 0000000..a2b105c
--- /dev/null
+++ b/bin/tests/system/dsdigest/ns3/named.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	dnssec-must-be-secure . yes;
+	/* only SHA-256 is enabled */
+	disable-ds-digests . { SHA-1; SHA-384; 5; 6; 7; 8; 9; };
+
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/dsdigest/ns4/named.conf.in b/bin/tests/system/dsdigest/ns4/named.conf.in
new file mode 100644
index 0000000..e43763b
--- /dev/null
+++ b/bin/tests/system/dsdigest/ns4/named.conf.in
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	/* only SHA-256 is enabled */
+	disable-ds-digests . { SHA-1; SHA-384; 5; 6; 7; 8; 9; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/dsdigest/setup.sh b/bin/tests/system/dsdigest/setup.sh
new file mode 100644
index 0000000..44bcc9d
--- /dev/null
+++ b/bin/tests/system/dsdigest/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+
+cd ns1 && $SHELL sign.sh
diff --git a/bin/tests/system/dsdigest/tests.sh b/bin/tests/system/dsdigest/tests.sh
new file mode 100644
index 0000000..3650f4a
--- /dev/null
+++ b/bin/tests/system/dsdigest/tests.sh
@@ -0,0 +1,55 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+
+rm -f dig.out.*
+
+DIGOPTS="+tcp +noadd +nosea +nostat +nocmd +dnssec -p ${PORT}"
+
+# Check the good. domain
+
+echo_i "checking that validation with enabled digest types works"
+ret=0
+$DIG $DIGOPTS a.good. @10.53.0.3 a > dig.out.good || ret=1
+grep "status: NOERROR" dig.out.good > /dev/null || ret=1
+grep "flags:[^;]* ad[ ;]" dig.out.good > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check the bad. domain
+
+echo_i "checking that validation with no supported digest types and must-be-secure results in SERVFAIL"
+ret=0
+$DIG $DIGOPTS a.bad. @10.53.0.3 a > dig.out.bad || ret=1
+grep "SERVFAIL" dig.out.bad > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that validation with no supported digest algorithms results in insecure"
+ret=0
+$DIG $DIGOPTS bad. @10.53.0.4 ds > dig.out.ds || ret=1
+grep "NOERROR" dig.out.ds > /dev/null || ret=1
+grep "flags:[^;]* ad[ ;]" dig.out.ds > /dev/null || ret=1
+$DIG $DIGOPTS a.bad. @10.53.0.4 a > dig.out.insecure || ret=1
+grep "NOERROR" dig.out.insecure > /dev/null || ret=1
+grep "flags:[^;]* ad[ ;]" dig.out.insecure > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+echo_i "exit status: $status"
+
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/dsdigest/tests_sh_dsdigest.py b/bin/tests/system/dsdigest/tests_sh_dsdigest.py
new file mode 100644
index 0000000..348d704
--- /dev/null
+++ b/bin/tests/system/dsdigest/tests_sh_dsdigest.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_dsdigest(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/dupsigs/check_journal.pl b/bin/tests/system/dupsigs/check_journal.pl
new file mode 100644
index 0000000..0747432
--- /dev/null
+++ b/bin/tests/system/dupsigs/check_journal.pl
@@ -0,0 +1,206 @@
+#!/usr/bin/env perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use strict;
+use warnings;
+
+sub process_changeset;
+
+my @changeset;
+
+while( my $line = <> ) {
+    chomp $line;
+
+    if( $line =~ /^(?<op>add|del) (?<label>\S+)\s+(?<ttl>\d+)\s+IN\s+(?<rrtype>\S+)\s+(?<rdata>.*)/ ) {
+        my $change = {
+            op     => $+{op},
+            label  => $+{label},
+            ttl    => $+{ttl},
+            rrtype => $+{rrtype},
+            rdata  => $+{rdata},
+        };
+
+        if( $change->{op} eq 'del' and $change->{rrtype} eq 'SOA' ) {
+            if( @changeset ) {
+                process_changeset( @changeset );
+                @changeset = ();
+            }
+        }
+
+        push @changeset, $change;
+    }
+    else {
+        die "error parsing journal data";
+    }
+}
+
+if( @changeset ) {
+    process_changeset( @changeset );
+}
+
+{
+    my %rrsig_db;
+    my %keys;
+    my $apex;
+
+    sub process_changeset {
+        my @changeset = @_;
+
+        if( not $apex ) {
+            # the first record of the first changeset is guaranteed to be the apex
+            $apex = $changeset[0]{label};
+        }
+
+        my $newserial;
+        my %touched_rrsigs;
+        my %touched_keys;
+
+        foreach my $change( @changeset ) {
+            if( $change->{rrtype} eq 'SOA' ) {
+                if( $change->{op} eq 'add' ) {
+                    if( $change->{rdata} !~ /^\S+ \S+ (?<serial>\d+)/ ) {
+                        die "unable to parse SOA";
+                    }
+
+                    $newserial = $+{serial};
+                }
+            }
+            elsif( $change->{rrtype} eq 'NSEC' ) {
+                ; # do nothing
+            }
+            elsif( $change->{rrtype} eq 'DNSKEY' ) {
+                ; # ignore for now
+            }
+            elsif( $change->{rrtype} eq 'TYPE65534' and $change->{label} eq $apex ) {
+                # key status
+                if( $change->{rdata} !~ /^\\# (?<datasize>\d+) (?<data>[0-9A-F]+)$/ ) {
+                    die "unable to parse key status record";
+                }
+
+                my $datasize = $+{datasize};
+                my $data = $+{data};
+
+                if( $datasize == 5 ) {
+                    my( $alg, $id, $flag_del, $flag_done ) = unpack 'CnCC', pack( 'H10', $data );
+
+                    if( $change->{op} eq 'add' ) {
+                        if( not exists $keys{$id} ) {
+                            $touched_keys{$id} //= 1;
+
+                            $keys{$id} = {
+                                $data        => 1,
+                                rrs          => 1,
+                                done_signing => $flag_done,
+                                deleting     => $flag_del,
+                            };
+                        }
+                        else {
+                            if( not exists $keys{$id}{$data} ) {
+                                my $keydata = $keys{$id};
+                                $touched_keys{$id} = { %$keydata };
+
+                                $keydata->{rrs}++;
+                                $keydata->{$data} = 1;
+                                $keydata->{done_signing} += $flag_done;
+                                $keydata->{deleting} += $flag_del;
+                            }
+                        }
+                    }
+                    else {
+                        # this logic relies upon the convention that there won't
+                        # ever be multiple records with the same flag set
+                        if( exists $keys{$id} ) {
+                            my $keydata = $keys{$id};
+
+                            if( exists $keydata->{$data} ) {
+                                $touched_keys{$id} = { %$keydata };
+
+                                $keydata->{rrs}--;
+                                delete $keydata->{$data};
+                                $keydata->{done_signing} -= $flag_done;
+                                $keydata->{deleting} -= $flag_del;
+
+                                if( $keydata->{rrs} == 0 ) {
+                                    delete $keys{$id};
+                                }
+                            }
+                        }
+                    }
+                }
+                else {
+                    die "unexpected key status record content";
+                }
+            }
+            elsif( $change->{rrtype} eq 'RRSIG' ) {
+                if( $change->{rdata} !~ /^(?<covers>\S+) \d+ \d+ \d+ (?<validity_end>\d+) (?<validity_start>\d+) (?<signing_key>\d+)/ ) {
+                    die "unable to parse RRSIG rdata";
+                }
+
+                $change->{covers} = $+{covers};
+                $change->{validity_end} = $+{validity_end};
+                $change->{validity_start} = $+{validity_start};
+                $change->{signing_key} = $+{signing_key};
+
+                my $db_key = $change->{label} . ':' . $change->{covers};
+
+                $rrsig_db{$db_key} //= {};
+                $touched_rrsigs{$db_key} = 1;
+
+                if( $change->{op} eq 'add' ) {
+                    $rrsig_db{$db_key}{ $change->{signing_key} } = 1;
+                }
+                else {
+                    # del
+                    delete $rrsig_db{$db_key}{ $change->{signing_key} };
+                }
+            }
+        }
+
+        foreach my $key_id( sort keys %touched_keys ) {
+            my $old_data;
+            my $new_data;
+
+            if( ref $touched_keys{$key_id} ) {
+                $old_data = $touched_keys{$key_id};
+            }
+
+            if( exists $keys{$key_id} ) {
+                $new_data = $keys{$key_id};
+            }
+
+            if( $old_data ) {
+                if( $new_data ) {
+                    print "at serial $newserial key $key_id status changed from ($old_data->{deleting},$old_data->{done_signing}) to ($new_data->{deleting},$new_data->{done_signing})\n";
+                }
+                else {
+                    print "at serial $newserial key $key_id status removed from zone\n";
+                }
+            }
+            else {
+                print "at serial $newserial key $key_id status added with flags ($new_data->{deleting},$new_data->{done_signing})\n";
+            }
+        }
+
+        foreach my $rrsig_id( sort keys %touched_rrsigs ) {
+            my $n_signing_keys = keys %{ $rrsig_db{$rrsig_id} };
+
+            if( $n_signing_keys == 0 ) {
+                print "at serial $newserial $rrsig_id went unsigned\n";
+            }
+            elsif( $n_signing_keys > 1 ) {
+                my @signing_keys = sort { $a <=> $b } keys %{ $rrsig_db{$rrsig_id} };
+                print "at serial $newserial $rrsig_id was signed too many times, keys (@signing_keys)\n";
+            }
+        }
+    }
+}
diff --git a/bin/tests/system/dupsigs/clean.sh b/bin/tests/system/dupsigs/clean.sh
new file mode 100644
index 0000000..2af75a0
--- /dev/null
+++ b/bin/tests/system/dupsigs/clean.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out*
+rm -f ns1/named.conf
+rm -f ns1/named.lock
+rm -f ns1/named.memstats
+rm -f ns1/named.run
+rm -f ns1/signing.test.db
+rm -f ns1/signing.test.db.jbk
+rm -f ns1/signing.test.db.signed
+rm -f ns1/signing.test.db.signed.jnl
+rm -f ns1/keys/signing.test/K*
+rm -f ns1/managed-keys.bind*
diff --git a/bin/tests/system/dupsigs/ns1/named.args b/bin/tests/system/dupsigs/ns1/named.args
new file mode 100644
index 0000000..adf6968
--- /dev/null
+++ b/bin/tests/system/dupsigs/ns1/named.args
@@ -0,0 +1 @@
+-D dupsigs-ns1 -X named.lock -m record -c named.conf -d 99 -g -U 4 -T maxcachesize=2097152 -T sigvalinsecs
diff --git a/bin/tests/system/dupsigs/ns1/named.conf.in b/bin/tests/system/dupsigs/ns1/named.conf.in
new file mode 100644
index 0000000..d35eb79
--- /dev/null
+++ b/bin/tests/system/dupsigs/ns1/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	recursion no;
+	max-journal-size unlimited;
+	port @PORT@;
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	pid-file "named.pid";
+	dnssec-validation no;
+};
+
+zone "signing.test" {
+	type primary;
+	masterfile-format text;
+	allow-update { any; };
+	file "signing.test.db";
+	update-check-ksk yes;
+	key-directory "keys/signing.test";
+	inline-signing yes;
+	auto-dnssec maintain;
+	sig-validity-interval 20 5;
+};
diff --git a/bin/tests/system/dupsigs/ns1/reset_keys.sh b/bin/tests/system/dupsigs/ns1/reset_keys.sh
new file mode 100644
index 0000000..6f96c6a
--- /dev/null
+++ b/bin/tests/system/dupsigs/ns1/reset_keys.sh
@@ -0,0 +1,99 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=signing.test
+rm -rf keys/signing.test
+mkdir -p keys/signing.test
+
+timetodnssec() {
+    $PERL -e 'my ($S,$M,$H,$d,$m,$y,$x) = gmtime(@ARGV[0]);
+	      printf("%04u%02u%02u%02u%02u%02u\n", $y+1900,$m+1,$d,$H,$M,$S);' ${1}
+}
+
+KEYDIR=keys/signing.test
+KSK=$($KEYGEN -a RSASHA256 -K $KEYDIR -q -f KSK $zone)
+
+ZSK0=$($KEYGEN -a RSASHA256 -K $KEYDIR -q $zone)
+ZSK1=$($KEYGEN -a RSASHA256 -K $KEYDIR -q $zone)
+ZSK2=$($KEYGEN -a RSASHA256 -K $KEYDIR -q $zone)
+ZSK3=$($KEYGEN -a RSASHA256 -K $KEYDIR -q $zone)
+ZSK4=$($KEYGEN -a RSASHA256 -K $KEYDIR -q $zone)
+ZSK5=$($KEYGEN -a RSASHA256 -K $KEYDIR -q $zone)
+ZSK6=$($KEYGEN -a RSASHA256 -K $KEYDIR -q $zone)
+ZSK7=$($KEYGEN -a RSASHA256 -K $KEYDIR -q $zone)
+ZSK8=$($KEYGEN -a RSASHA256 -K $KEYDIR -q $zone)
+ZSK9=$($KEYGEN -a RSASHA256 -K $KEYDIR -q $zone)
+
+# clear all times on all keys
+for FILEN in keys/signing.test/*.key
+do
+    $SETTIME -P none -A none -R none -I none -D none $FILEN
+done
+
+BASE=$(date +%s)
+BASET=$(timetodnssec $BASE)
+
+# reset the publish and activation time on the KSK
+$SETTIME -P $BASET -A $BASET $KEYDIR/$KSK
+
+# reset the publish and activation time on the first ZSK
+$SETTIME -P $BASET -A $BASET $KEYDIR/$ZSK0
+
+# schedule the first roll
+R1=$((BASE + 50))
+R1T=$(timetodnssec $R1)
+
+$SETTIME -I $R1T $KEYDIR/$ZSK0
+$SETTIME -P $BASET -A $R1T $KEYDIR/$ZSK1
+
+# schedule the second roll (which includes the delete of the first key)
+R2=$((R1 + 50))
+R2T=$(timetodnssec $R2)
+DT=$R2
+DTT=$(timetodnssec $DT)
+
+$SETTIME -D $DTT $KEYDIR/$ZSK0
+$SETTIME -I $R2T $KEYDIR/$ZSK1
+$SETTIME -P $R1T -A $R2T $KEYDIR/$ZSK2
+
+# schedule the third roll
+R3=$((R2 + 25))
+R3T=$(timetodnssec $R3)
+
+$SETTIME -D $R3T $KEYDIR/$ZSK1
+$SETTIME -I $R3T $KEYDIR/$ZSK2
+$SETTIME -P $R2T -A $R3T $KEYDIR/$ZSK3
+
+$SETTIME -P $R3T $KEYDIR/$ZSK4
+
+echo KSK=$KSK
+echo ZSK0=$ZSK0
+echo ZSK1=$ZSK1
+echo ZSK2=$ZSK2
+echo ZSK3=$ZSK3
+echo ZSK4=$ZSK4
+
+exit
+
+# schedule the fourth roll
+# this isn't long enough for the signing to complete and would result in
+# duplicate signatures, see
+# https://gitlab.isc.org/isc-projects/bind9/-/merge_requests/231#note_9597
+R4=$((R3 + 10))
+R4T=$(timetodnssec $R4)
+
+$SETTIME -D $R4T $KEYDIR/$ZSK2
+$SETTIME -I $R4T $KEYDIR/$ZSK3
+$SETTIME -P $R3T -A $R4T $KEYDIR/$ZSK4
diff --git a/bin/tests/system/dupsigs/ns1/signing.test.db.in b/bin/tests/system/dupsigs/ns1/signing.test.db.in
new file mode 100644
index 0000000..b522b6f
--- /dev/null
+++ b/bin/tests/system/dupsigs/ns1/signing.test.db.in
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@ IN SOA  ns root.ns 1996072700 3600 1800 86400 60
+@    NS   ns
+ns   A    127.0.0.1
+ns   AAAA ::1
+
+$GENERATE 0-499 a${0,4,d} AAAA ::$
diff --git a/bin/tests/system/dupsigs/setup.sh b/bin/tests/system/dupsigs/setup.sh
new file mode 100644
index 0000000..4ac8a8d
--- /dev/null
+++ b/bin/tests/system/dupsigs/setup.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+test -r $RANDFILE || $GENRANDOM 800 $RANDFILE
+
+copy_setports ns1/named.conf.in ns1/named.conf
+
+cp -f ns1/signing.test.db.in ns1/signing.test.db
+(cd ns1; $SHELL ./reset_keys.sh)
diff --git a/bin/tests/system/dupsigs/tests.sh b/bin/tests/system/dupsigs/tests.sh
new file mode 100644
index 0000000..4ab3a73
--- /dev/null
+++ b/bin/tests/system/dupsigs/tests.sh
@@ -0,0 +1,71 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+
+# Wait for the zone to be fully signed before beginning test
+#
+# We expect the zone to have the following:
+#
+# - 5 signatures for signing.test.
+# - 3 signatures for ns.signing.test.
+# - 2 x 500 signatures for a{0000-0499}.signing.test.
+#
+# for a total of 1008.
+fully_signed () {
+        $DIG axfr signing.test -p ${PORT} @10.53.0.1 > "dig.out.ns1.axfr"
+        awk 'BEGIN { lines = 0 }
+             $4 == "RRSIG" {lines++}
+             END { if (lines != 1008) exit(1) }' < "dig.out.ns1.axfr"
+}
+
+# Wait for the last NSEC record in the zone to be signed. This is a lightweight
+# alternative to avoid many AXFR requests while waiting for the zone to be
+# fully signed.
+_wait_for_last_nsec_signed() {
+        $DIG +dnssec a0499.signing.test -p ${PORT} @10.53.0.1 nsec > "dig.out.ns1.wait" || return 1
+        grep "signing.test\..*IN.*RRSIG.*signing.test" "dig.out.ns1.wait" > /dev/null || return 1
+        return 0
+}
+
+echo_i "wait for the zone to be fully signed"
+retry_quiet 60 _wait_for_last_nsec_signed
+retry_quiet 10 fully_signed || status=1
+if [ $status != 0 ]; then echo_i "failed"; fi
+
+start=$(date +%s)
+now=$start
+end=$((start + 140))
+
+while [ $now -lt $end ] && [ $status -eq 0 ]; do
+        et=$((now - start))
+	echo_i "............... $et ............"
+	$JOURNALPRINT ns1/signing.test.db.signed.jnl | $PERL check_journal.pl | cat_i
+	$DIG axfr signing.test -p ${PORT} @10.53.0.1 > dig.out.at$et
+	awk '$4 == "RRSIG" { print $11 }' dig.out.at$et | sort | uniq -c | cat_i
+	lines=$(awk '$4 == "RRSIG" { print}' dig.out.at$et | wc -l)
+	if [ ${et} -ne 0 -a ${lines} -ne 1008 ]
+	then
+		echo_i "failed"
+                status=$((status + 1))
+	fi
+	sleep 5
+	now=$(date +%s)
+done
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/dupsigs/tests_sh_dupsigs.py b/bin/tests/system/dupsigs/tests_sh_dupsigs.py
new file mode 100644
index 0000000..1e065db
--- /dev/null
+++ b/bin/tests/system/dupsigs/tests_sh_dupsigs.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_dupsigs(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/dyndb/clean.sh b/bin/tests/system/dyndb/clean.sh
new file mode 100644
index 0000000..cb8ae94
--- /dev/null
+++ b/bin/tests/system/dyndb/clean.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after dyndb tests.
+#
+rm -f */named.conf
+rm -f */named.run
+rm -f ns1/named.memstats
+rm -f ns1/update.txt
+rm -f added.a.out.*
+rm -f added.ptr.out.*
+rm -f deleted.a.out.*
+rm -f deleted.ptr.out.*
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/dyndb/driver/AUTHORS b/bin/tests/system/dyndb/driver/AUTHORS
new file mode 100644
index 0000000..5b37853
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/AUTHORS
@@ -0,0 +1,33 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0 AND ISC
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0. If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+Copyright (C) 2009-2015 Red Hat
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+This sample driver is based on bind-dyndb-ldap project and small portions
+of code from ISC BIND 9.10.
+
+Authors listed in alphabetical order:
+Adam Tkac   <atkac@redhat.com>
+Jiri Kuncar <jkuncar@redhat.com>
+Martin Nagy <mnagy@redhat.com>
+Petr Spacek <pspacek@redhat.com>
diff --git a/bin/tests/system/dyndb/driver/Makefile.am b/bin/tests/system/dyndb/driver/Makefile.am
new file mode 100644
index 0000000..86dddb6
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/Makefile.am
@@ -0,0 +1,25 @@
+include $(top_srcdir)/Makefile.top
+
+AM_CPPFLAGS +=			\
+	$(LIBISC_CFLAGS)	\
+	$(LIBDNS_CFLAGS)
+
+noinst_LTLIBRARIES = sample.la
+
+sample_la_SOURCES =	\
+	db.c		\
+	driver.c	\
+	instance.c	\
+	lock.c		\
+	log.c		\
+	syncptr.c	\
+	zone.c		\
+	db.h		\
+	instance.h	\
+	lock.h		\
+	log.h		\
+	syncptr.h	\
+	util.h		\
+	zone.h
+
+sample_la_LDFLAGS = -avoid-version -module -shared -export-dynamic -rpath $(abs_builddir)
diff --git a/bin/tests/system/dyndb/driver/Makefile.in b/bin/tests/system/dyndb/driver/Makefile.in
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+GTAGS:
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+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
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+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
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+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
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+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
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+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+	-rm -f ./$(DEPDIR)/log.Plo
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+# Otherwise a system limit (for SysV at least) may be exceeded.
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diff --git a/bin/tests/system/dyndb/driver/README b/bin/tests/system/dyndb/driver/README
new file mode 100644
index 0000000..db73396
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/README
@@ -0,0 +1,92 @@
+<!--
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0 and ISC
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+Copyright (C) Red Hat
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+-->
+
+To use the Dynamic DB sample driver, run named and check the log.
+
+    $ cd testing
+    $ named -gc named.conf
+
+You should be able to see something like:
+
+zone test/IN: loaded serial 0
+zone arpa/IN: loaded serial 0
+
+This means that the sample driver created empty zones "test." and
+"arpa." as defined by "arg" parameters in named.conf.
+
+$ dig @localhost test.
+
+should work as usual and you should be able to see the dummy zone with
+NS record pointing to the zone apex and A record with 127.0.0.1:
+
+;; ANSWER SECTION:
+test.			86400	IN	A	127.0.0.1
+test.			86400	IN	NS	test.
+test.			86400	IN	SOA	test. test. 0 28800 7200 604800 86400
+
+This driver creates two empty zones and allows query/transfer/update to
+all IP addresses for demonstration purposes.
+
+The driver wraps the RBT database implementation used natively by BIND,
+and modifies the addrdataset() and substractrdataset() functions to do
+additional work during dynamic updates.
+
+A dynamic update modifies the target zone as usual. After that, the
+driver detects whether the modified RR was of type A or AAAA, and if so,
+attempts to appropriately generate or delete a matching PTR record in
+one of the two zones managed by the driver.
+
+E.g.:
+
+$ nsupdate
+> update add a.test. 300 IN A 192.0.2.1
+> send
+
+will add the A record
+a.test.			300	IN	A	192.0.2.1
+
+and also automatically generate the PTR record
+1.2.0.192.in-addr.arpa.	300	IN	PTR	a.test.
+
+AXFR and RR deletion via dynamic updates should work as usual. Deletion
+of a type A or AAAA record should delete the corresponding PTR record
+too.
+
+The zone is stored only in memory, and all changes will be lost on
+reload/reconfig.
+
+Hints for code readers:
+- Driver initialization starts in driver.c: dyndb_init() function.
+- New database implementation is registered by calling dns_db_register()
+  and passing a function pointer to it. This sample uses the function
+  create_db() to initialize the database.
+- Zones are created later in instance.c: load_sample_instance_zones().
+- Database entry points are in structure db.c: dns_dbmethods_t
+  sampledb_methods
+- sampledb_methods points to an implementation of the database interface.
+  See the db.c: addrdataset() implementation and look at how the RBT
+  database instance is wrapped into an additional layer of logic.
diff --git a/bin/tests/system/dyndb/driver/db.c b/bin/tests/system/dyndb/driver/db.c
new file mode 100644
index 0000000..334fd54
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/db.c
@@ -0,0 +1,776 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) 2009-2015 Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Database API implementation. The interface is defined in lib/dns/db.h.
+ *
+ * dns_db_*() calls on database instances backed by this driver use
+ * struct sampledb_methods to find appropriate function implementation.
+ *
+ * This example re-uses RBT DB implementation from original BIND and blindly
+ * proxies most of dns_db_*() calls to this underlying RBT DB.
+ * See struct sampledb below.
+ */
+
+#include "db.h"
+#include <inttypes.h>
+#include <stdbool.h>
+
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/db.h>
+#include <dns/diff.h>
+#include <dns/enumclass.h>
+#include <dns/rbt.h>
+#include <dns/rdatalist.h>
+#include <dns/rdatastruct.h>
+#include <dns/soa.h>
+#include <dns/types.h>
+
+#include "instance.h"
+#include "syncptr.h"
+#include "util.h"
+
+#define SAMPLEDB_MAGIC ISC_MAGIC('S', 'M', 'D', 'B')
+#define VALID_SAMPLEDB(sampledb) \
+	((sampledb) != NULL && (sampledb)->common.impmagic == SAMPLEDB_MAGIC)
+
+struct sampledb {
+	dns_db_t common;
+	isc_refcount_t refs;
+	sample_instance_t *inst;
+
+	/*
+	 * Internal RBT database implementation provided by BIND.
+	 * Most dns_db_* calls (find(), createiterator(), etc.)
+	 * are blindly forwarded to this RBT DB.
+	 */
+	dns_db_t *rbtdb;
+};
+
+typedef struct sampledb sampledb_t;
+
+/*
+ * Get full DNS name from the node.
+ *
+ * @warning
+ * The code silently expects that "node" came from RBTDB and thus
+ * assumption dns_dbnode_t (from RBTDB) == dns_rbtnode_t is correct.
+ *
+ * This should work as long as we use only RBTDB and nothing else.
+ */
+static isc_result_t
+sample_name_fromnode(dns_dbnode_t *node, dns_name_t *name) {
+	dns_rbtnode_t *rbtnode = (dns_rbtnode_t *)node;
+	return (dns_rbt_fullnamefromnode(rbtnode, name));
+}
+
+static void
+attach(dns_db_t *source, dns_db_t **targetp) {
+	sampledb_t *sampledb = (sampledb_t *)source;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	isc_refcount_increment(&sampledb->refs);
+	*targetp = source;
+}
+
+static void
+free_sampledb(sampledb_t *sampledb) {
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_db_detach(&sampledb->rbtdb);
+	dns_name_free(&sampledb->common.origin, sampledb->common.mctx);
+	isc_mem_putanddetach(&sampledb->common.mctx, sampledb,
+			     sizeof(*sampledb));
+}
+
+static void
+detach(dns_db_t **dbp) {
+	REQUIRE(dbp != NULL && VALID_SAMPLEDB((sampledb_t *)(*dbp)));
+	sampledb_t *sampledb = (sampledb_t *)(*dbp);
+	*dbp = NULL;
+
+	if (isc_refcount_decrement(&sampledb->refs) == 1) {
+		free_sampledb(sampledb);
+	}
+}
+
+/*
+ * This method should never be called, because DB is "persistent".
+ * See ispersistent() function. It means that database do not need to be
+ * loaded in the usual sense.
+ */
+static isc_result_t
+beginload(dns_db_t *db, dns_rdatacallbacks_t *callbacks) {
+	UNUSED(db);
+	UNUSED(callbacks);
+
+	FATAL_ERROR("current implementation should never call beginload()");
+
+	/* Not reached */
+	return (ISC_R_SUCCESS);
+}
+
+/*
+ * This method should never be called, because DB is "persistent".
+ * See ispersistent() function. It means that database do not need to be
+ * loaded in the usual sense.
+ */
+static isc_result_t
+endload(dns_db_t *db, dns_rdatacallbacks_t *callbacks) {
+	UNUSED(db);
+	UNUSED(callbacks);
+
+	FATAL_ERROR("current implementation should never call endload()");
+
+	/* Not reached */
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+dump(dns_db_t *db, dns_dbversion_t *version, const char *filename,
+     dns_masterformat_t masterformat) {
+	UNUSED(db);
+	UNUSED(version);
+	UNUSED(filename);
+	UNUSED(masterformat);
+
+	FATAL_ERROR("current implementation should never call dump()");
+
+	/* Not reached */
+	return (ISC_R_SUCCESS);
+}
+
+static void
+currentversion(dns_db_t *db, dns_dbversion_t **versionp) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_db_currentversion(sampledb->rbtdb, versionp);
+}
+
+static isc_result_t
+newversion(dns_db_t *db, dns_dbversion_t **versionp) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_newversion(sampledb->rbtdb, versionp));
+}
+
+static void
+attachversion(dns_db_t *db, dns_dbversion_t *source,
+	      dns_dbversion_t **targetp) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_db_attachversion(sampledb->rbtdb, source, targetp);
+}
+
+static void
+closeversion(dns_db_t *db, dns_dbversion_t **versionp, bool commit) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_db_closeversion(sampledb->rbtdb, versionp, commit);
+}
+
+static isc_result_t
+findnode(dns_db_t *db, const dns_name_t *name, bool create,
+	 dns_dbnode_t **nodep) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_findnode(sampledb->rbtdb, name, create, nodep));
+}
+
+static isc_result_t
+find(dns_db_t *db, const dns_name_t *name, dns_dbversion_t *version,
+     dns_rdatatype_t type, unsigned int options, isc_stdtime_t now,
+     dns_dbnode_t **nodep, dns_name_t *foundname, dns_rdataset_t *rdataset,
+     dns_rdataset_t *sigrdataset) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_find(sampledb->rbtdb, name, version, type, options, now,
+			    nodep, foundname, rdataset, sigrdataset));
+}
+
+static isc_result_t
+findzonecut(dns_db_t *db, const dns_name_t *name, unsigned int options,
+	    isc_stdtime_t now, dns_dbnode_t **nodep, dns_name_t *foundname,
+	    dns_name_t *dcname, dns_rdataset_t *rdataset,
+	    dns_rdataset_t *sigrdataset) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_findzonecut(sampledb->rbtdb, name, options, now, nodep,
+				   foundname, dcname, rdataset, sigrdataset));
+}
+
+static void
+attachnode(dns_db_t *db, dns_dbnode_t *source, dns_dbnode_t **targetp) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_db_attachnode(sampledb->rbtdb, source, targetp);
+}
+
+static void
+detachnode(dns_db_t *db, dns_dbnode_t **targetp) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_db_detachnode(sampledb->rbtdb, targetp);
+}
+
+static isc_result_t
+expirenode(dns_db_t *db, dns_dbnode_t *node, isc_stdtime_t now) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_expirenode(sampledb->rbtdb, node, now));
+}
+
+static void
+printnode(dns_db_t *db, dns_dbnode_t *node, FILE *out) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_db_printnode(sampledb->rbtdb, node, out);
+}
+
+static isc_result_t
+createiterator(dns_db_t *db, unsigned int options,
+	       dns_dbiterator_t **iteratorp) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_createiterator(sampledb->rbtdb, options, iteratorp));
+}
+
+static isc_result_t
+findrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+	     dns_rdatatype_t type, dns_rdatatype_t covers, isc_stdtime_t now,
+	     dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_findrdataset(sampledb->rbtdb, node, version, type,
+				    covers, now, rdataset, sigrdataset));
+}
+
+static isc_result_t
+allrdatasets(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+	     unsigned int options, isc_stdtime_t now,
+	     dns_rdatasetiter_t **iteratorp) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_allrdatasets(sampledb->rbtdb, node, version, options,
+				    now, iteratorp));
+}
+
+static isc_result_t
+addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+	    isc_stdtime_t now, dns_rdataset_t *rdataset, unsigned int options,
+	    dns_rdataset_t *addedrdataset) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+	isc_result_t result;
+	dns_fixedname_t name;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_fixedname_init(&name);
+	CHECK(dns_db_addrdataset(sampledb->rbtdb, node, version, now, rdataset,
+				 options, addedrdataset));
+	if (rdataset->type == dns_rdatatype_a ||
+	    rdataset->type == dns_rdatatype_aaaa)
+	{
+		CHECK(sample_name_fromnode(node, dns_fixedname_name(&name)));
+		CHECK(syncptrs(sampledb->inst, dns_fixedname_name(&name),
+			       rdataset, DNS_DIFFOP_ADD));
+	}
+
+cleanup:
+	return (result);
+}
+
+static isc_result_t
+subtractrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+		 dns_rdataset_t *rdataset, unsigned int options,
+		 dns_rdataset_t *newrdataset) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+	isc_result_t result;
+	dns_fixedname_t name;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_fixedname_init(&name);
+	result = dns_db_subtractrdataset(sampledb->rbtdb, node, version,
+					 rdataset, options, newrdataset);
+	if (result != ISC_R_SUCCESS && result != DNS_R_NXRRSET) {
+		goto cleanup;
+	}
+
+	if (rdataset->type == dns_rdatatype_a ||
+	    rdataset->type == dns_rdatatype_aaaa)
+	{
+		CHECK(sample_name_fromnode(node, dns_fixedname_name(&name)));
+		CHECK(syncptrs(sampledb->inst, dns_fixedname_name(&name),
+			       rdataset, DNS_DIFFOP_DEL));
+	}
+
+cleanup:
+	return (result);
+}
+
+/*
+ * deleterdataset() function is not used during DNS update processing so syncptr
+ * implementation is left as an exercise to the reader.
+ */
+static isc_result_t
+deleterdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+	       dns_rdatatype_t type, dns_rdatatype_t covers) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_deleterdataset(sampledb->rbtdb, node, version, type,
+				      covers));
+}
+
+static bool
+issecure(dns_db_t *db) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_issecure(sampledb->rbtdb));
+}
+
+static unsigned int
+nodecount(dns_db_t *db, dns_dbtree_t tree) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_nodecount(sampledb->rbtdb, tree));
+}
+
+/*
+ * The database does not need to be loaded from disk or written to disk.
+ * Always return true.
+ */
+static bool
+ispersistent(dns_db_t *db) {
+	UNUSED(db);
+
+	return (true);
+}
+
+static void
+overmem(dns_db_t *db, bool over) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_db_overmem(sampledb->rbtdb, over);
+}
+
+static void
+settask(dns_db_t *db, isc_task_t *task) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_db_settask(sampledb->rbtdb, task);
+}
+
+static isc_result_t
+getoriginnode(dns_db_t *db, dns_dbnode_t **nodep) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_getoriginnode(sampledb->rbtdb, nodep));
+}
+
+static void
+transfernode(dns_db_t *db, dns_dbnode_t **sourcep, dns_dbnode_t **targetp) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_db_transfernode(sampledb->rbtdb, sourcep, targetp);
+}
+
+static isc_result_t
+getnsec3parameters(dns_db_t *db, dns_dbversion_t *version, dns_hash_t *hash,
+		   uint8_t *flags, uint16_t *iterations, unsigned char *salt,
+		   size_t *salt_length) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_getnsec3parameters(sampledb->rbtdb, version, hash, flags,
+					  iterations, salt, salt_length));
+}
+
+static isc_result_t
+findnsec3node(dns_db_t *db, const dns_name_t *name, bool create,
+	      dns_dbnode_t **nodep) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_findnsec3node(sampledb->rbtdb, name, create, nodep));
+}
+
+static isc_result_t
+setsigningtime(dns_db_t *db, dns_rdataset_t *rdataset, isc_stdtime_t resign) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_setsigningtime(sampledb->rbtdb, rdataset, resign));
+}
+
+static isc_result_t
+getsigningtime(dns_db_t *db, dns_rdataset_t *rdataset, dns_name_t *name) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_getsigningtime(sampledb->rbtdb, rdataset, name));
+}
+
+static void
+resigned(dns_db_t *db, dns_rdataset_t *rdataset, dns_dbversion_t *version) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	dns_db_resigned(sampledb->rbtdb, rdataset, version);
+}
+
+static bool
+isdnssec(dns_db_t *db) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_isdnssec(sampledb->rbtdb));
+}
+
+static dns_stats_t *
+getrrsetstats(dns_db_t *db) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_getrrsetstats(sampledb->rbtdb));
+}
+
+static isc_result_t
+findnodeext(dns_db_t *db, const dns_name_t *name, bool create,
+	    dns_clientinfomethods_t *methods, dns_clientinfo_t *clientinfo,
+	    dns_dbnode_t **nodep) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_findnodeext(sampledb->rbtdb, name, create, methods,
+				   clientinfo, nodep));
+}
+
+static isc_result_t
+findext(dns_db_t *db, const dns_name_t *name, dns_dbversion_t *version,
+	dns_rdatatype_t type, unsigned int options, isc_stdtime_t now,
+	dns_dbnode_t **nodep, dns_name_t *foundname,
+	dns_clientinfomethods_t *methods, dns_clientinfo_t *clientinfo,
+	dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_findext(sampledb->rbtdb, name, version, type, options,
+			       now, nodep, foundname, methods, clientinfo,
+			       rdataset, sigrdataset));
+}
+
+static isc_result_t
+setcachestats(dns_db_t *db, isc_stats_t *stats) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_setcachestats(sampledb->rbtdb, stats));
+}
+
+static size_t
+hashsize(dns_db_t *db) {
+	sampledb_t *sampledb = (sampledb_t *)db;
+
+	REQUIRE(VALID_SAMPLEDB(sampledb));
+
+	return (dns_db_hashsize(sampledb->rbtdb));
+}
+
+/*
+ * DB interface definition. Database driver uses this structure to
+ * determine which implementation of dns_db_*() function to call.
+ */
+static dns_dbmethods_t sampledb_methods = {
+	attach,		detach,		beginload,
+	endload,	dump,		currentversion,
+	newversion,	attachversion,	closeversion,
+	findnode,	find,		findzonecut,
+	attachnode,	detachnode,	expirenode,
+	printnode,	createiterator, findrdataset,
+	allrdatasets,	addrdataset,	subtractrdataset,
+	deleterdataset, issecure,	nodecount,
+	ispersistent,	overmem,	settask,
+	getoriginnode,	transfernode,	getnsec3parameters,
+	findnsec3node,	setsigningtime, getsigningtime,
+	resigned,	isdnssec,	getrrsetstats,
+	NULL, /* rpz_attach */
+	NULL, /* rpz_ready */
+	findnodeext,	findext,	setcachestats,
+	hashsize,	NULL, /* nodefullname */
+	NULL,		      /* getsize */
+	NULL,		      /* setservestalettl */
+	NULL,		      /* getservestalettl */
+	NULL,		      /* setservestalerefresh */
+	NULL,		      /* getservestalerefresh */
+	NULL,		      /* setgluecachestats */
+};
+
+/* Auxiliary driver functions. */
+
+/*
+ * Auxiliary functions add_*() create minimal database which can be loaded.
+ * This is necessary because this driver create empty 'fake' zone which
+ * is not loaded from disk so there is no way for user to supply SOA, NS and A
+ * records.
+ *
+ * Following functions were copied from BIND 9.10.2rc1 named/server.c,
+ * credit goes to ISC.
+ */
+static isc_result_t
+add_soa(dns_db_t *db, dns_dbversion_t *version, const dns_name_t *name,
+	const dns_name_t *origin, const dns_name_t *contact) {
+	dns_dbnode_t *node = NULL;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdatalist_t rdatalist;
+	dns_rdataset_t rdataset;
+	isc_result_t result;
+	unsigned char buf[DNS_SOA_BUFFERSIZE];
+
+	dns_rdataset_init(&rdataset);
+	dns_rdatalist_init(&rdatalist);
+	CHECK(dns_soa_buildrdata(origin, contact, dns_db_class(db), 0, 28800,
+				 7200, 604800, 86400, buf, &rdata));
+	rdatalist.type = rdata.type;
+	rdatalist.covers = 0;
+	rdatalist.rdclass = rdata.rdclass;
+	rdatalist.ttl = 86400;
+	ISC_LIST_APPEND(rdatalist.rdata, &rdata, link);
+	CHECK(dns_rdatalist_tordataset(&rdatalist, &rdataset));
+	CHECK(dns_db_findnode(db, name, true, &node));
+	CHECK(dns_db_addrdataset(db, node, version, 0, &rdataset, 0, NULL));
+cleanup:
+	if (node != NULL) {
+		dns_db_detachnode(db, &node);
+	}
+	return (result);
+}
+
+static isc_result_t
+add_ns(dns_db_t *db, dns_dbversion_t *version, const dns_name_t *name,
+       const dns_name_t *nsname) {
+	dns_dbnode_t *node = NULL;
+	dns_rdata_ns_t ns;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdatalist_t rdatalist;
+	dns_rdataset_t rdataset;
+	isc_result_t result;
+	isc_buffer_t b;
+	unsigned char buf[DNS_NAME_MAXWIRE];
+
+	isc_buffer_init(&b, buf, sizeof(buf));
+
+	dns_rdataset_init(&rdataset);
+	dns_rdatalist_init(&rdatalist);
+	ns.common.rdtype = dns_rdatatype_ns;
+	ns.common.rdclass = dns_db_class(db);
+	ns.mctx = NULL;
+	dns_name_init(&ns.name, NULL);
+	dns_name_clone(nsname, &ns.name);
+	CHECK(dns_rdata_fromstruct(&rdata, dns_db_class(db), dns_rdatatype_ns,
+				   &ns, &b));
+	rdatalist.type = rdata.type;
+	rdatalist.covers = 0;
+	rdatalist.rdclass = rdata.rdclass;
+	rdatalist.ttl = 86400;
+	ISC_LIST_APPEND(rdatalist.rdata, &rdata, link);
+	CHECK(dns_rdatalist_tordataset(&rdatalist, &rdataset));
+	CHECK(dns_db_findnode(db, name, true, &node));
+	CHECK(dns_db_addrdataset(db, node, version, 0, &rdataset, 0, NULL));
+cleanup:
+	if (node != NULL) {
+		dns_db_detachnode(db, &node);
+	}
+	return (result);
+}
+
+static isc_result_t
+add_a(dns_db_t *db, dns_dbversion_t *version, const dns_name_t *name,
+      struct in_addr addr) {
+	dns_dbnode_t *node = NULL;
+	dns_rdata_in_a_t a;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdatalist_t rdatalist;
+	dns_rdataset_t rdataset;
+	isc_result_t result;
+	isc_buffer_t b;
+	unsigned char buf[DNS_NAME_MAXWIRE];
+
+	isc_buffer_init(&b, buf, sizeof(buf));
+
+	dns_rdataset_init(&rdataset);
+	dns_rdatalist_init(&rdatalist);
+	a.common.rdtype = dns_rdatatype_a;
+	a.common.rdclass = dns_db_class(db);
+	a.in_addr = addr;
+	CHECK(dns_rdata_fromstruct(&rdata, dns_db_class(db), dns_rdatatype_a,
+				   &a, &b));
+	rdatalist.type = rdata.type;
+	rdatalist.covers = 0;
+	rdatalist.rdclass = rdata.rdclass;
+	rdatalist.ttl = 86400;
+	ISC_LIST_APPEND(rdatalist.rdata, &rdata, link);
+	CHECK(dns_rdatalist_tordataset(&rdatalist, &rdataset));
+	CHECK(dns_db_findnode(db, name, true, &node));
+	CHECK(dns_db_addrdataset(db, node, version, 0, &rdataset, 0, NULL));
+cleanup:
+	if (node != NULL) {
+		dns_db_detachnode(db, &node);
+	}
+	return (result);
+}
+
+/*
+ * Driver-specific implementation of dns_db_create().
+ *
+ * @param[in] argv      Database-specific parameters from dns_db_create().
+ * @param[in] driverarg Driver-specific parameter from dns_db_register().
+ */
+isc_result_t
+create_db(isc_mem_t *mctx, const dns_name_t *origin, dns_dbtype_t type,
+	  dns_rdataclass_t rdclass, unsigned int argc, char *argv[],
+	  void *driverarg, dns_db_t **dbp) {
+	sampledb_t *sampledb = NULL;
+	isc_result_t result;
+	dns_dbversion_t *version = NULL;
+	struct in_addr a_addr;
+
+	REQUIRE(type == dns_dbtype_zone);
+	REQUIRE(rdclass == dns_rdataclass_in);
+	REQUIRE(argc == 0);
+	REQUIRE(argv != NULL);
+	REQUIRE(driverarg != NULL); /* pointer to driver instance */
+	REQUIRE(dbp != NULL && *dbp == NULL);
+
+	UNUSED(driverarg); /* no driver-specific configuration */
+
+	a_addr.s_addr = 0x0100007fU;
+
+	CHECKED_MEM_GET_PTR(mctx, sampledb);
+	ZERO_PTR(sampledb);
+
+	isc_mem_attach(mctx, &sampledb->common.mctx);
+	dns_name_init(&sampledb->common.origin, NULL);
+
+	sampledb->common.magic = DNS_DB_MAGIC;
+	sampledb->common.impmagic = SAMPLEDB_MAGIC;
+
+	sampledb->common.methods = &sampledb_methods;
+	sampledb->common.attributes = 0;
+	sampledb->common.rdclass = rdclass;
+
+	CHECK(dns_name_dupwithoffsets(origin, mctx, &sampledb->common.origin));
+
+	isc_refcount_init(&sampledb->refs, 1);
+
+	/* Translate instance name to instance pointer. */
+	sampledb->inst = driverarg;
+
+	/* Create internal instance of RBT DB implementation from BIND. */
+	CHECK(dns_db_create(mctx, "rbt", origin, dns_dbtype_zone,
+			    dns_rdataclass_in, 0, NULL, &sampledb->rbtdb));
+
+	/* Create fake SOA, NS, and A records to make database loadable. */
+	CHECK(dns_db_newversion(sampledb->rbtdb, &version));
+	CHECK(add_soa(sampledb->rbtdb, version, origin, origin, origin));
+	CHECK(add_ns(sampledb->rbtdb, version, origin, origin));
+	CHECK(add_a(sampledb->rbtdb, version, origin, a_addr));
+	dns_db_closeversion(sampledb->rbtdb, &version, true);
+
+	*dbp = (dns_db_t *)sampledb;
+
+	return (ISC_R_SUCCESS);
+
+cleanup:
+	if (sampledb != NULL) {
+		if (dns_name_dynamic(&sampledb->common.origin)) {
+			dns_name_free(&sampledb->common.origin, mctx);
+		}
+
+		isc_mem_putanddetach(&sampledb->common.mctx, sampledb,
+				     sizeof(*sampledb));
+	}
+
+	return (result);
+}
diff --git a/bin/tests/system/dyndb/driver/db.h b/bin/tests/system/dyndb/driver/db.h
new file mode 100644
index 0000000..c520c8b
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/db.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) 2009-2015 Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/**
+ * Database API implementation.
+ */
+
+#pragma once
+
+#include <isc/mem.h>
+#include <isc/result.h>
+
+#include <dns/db.h>
+#include <dns/name.h>
+#include <dns/rdataclass.h>
+#include <dns/rdatatype.h>
+
+isc_result_t
+create_db(isc_mem_t *mctx, const dns_name_t *origin, dns_dbtype_t type,
+	  dns_rdataclass_t rdclass, unsigned int argc, char *argv[],
+	  void *driverarg, dns_db_t **dbp);
diff --git a/bin/tests/system/dyndb/driver/driver.c b/bin/tests/system/dyndb/driver/driver.c
new file mode 100644
index 0000000..7e8a249
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/driver.c
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Driver API implementation and main entry point for BIND.
+ *
+ * BIND calls dyndb_version() before loading, dyndb_init() during startup
+ * and dyndb_destroy() during shutdown.
+ *
+ * It is completely up to implementation what to do.
+ *
+ * dyndb <name> <driver> {} sections in named.conf are independent so
+ * driver init() and destroy() functions are called independently for
+ * each section even if they reference the same driver/library. It is
+ * up to driver implementation to detect and catch this situation if
+ * it is undesirable.
+ */
+
+#include <isc/commandline.h>
+#include <isc/hash.h>
+#include <isc/mem.h>
+#include <isc/util.h>
+
+#include <dns/db.h>
+#include <dns/dyndb.h>
+#include <dns/types.h>
+
+#include "db.h"
+#include "instance.h"
+#include "log.h"
+#include "util.h"
+
+/* aliases for the exported symbols */
+
+dns_dyndb_destroy_t dyndb_destroy;
+dns_dyndb_register_t dyndb_init;
+dns_dyndb_version_t dyndb_version;
+
+/*
+ * Driver init is called for each dyndb section in named.conf
+ * once during startup and then again on every reload.
+ *
+ * @code
+ * dyndb example-name "sample.so" { param1 param2 };
+ * @endcode
+ *
+ * @param[in] name        User-defined string from dyndb "name" {}; definition
+ *                        in named.conf.
+ *                        The example above will have name = "example-name".
+ * @param[in] parameters  User-defined parameters from dyndb section as one
+ *                        string. The example above will have
+ *                        params = "param1 param2";
+ * @param[in] file	  The name of the file from which the parameters
+ *                        were read.
+ * @param[in] line	  The line number from which the parameters were read.
+ * @param[out] instp      Pointer to instance-specific data
+ *                        (for one dyndb section).
+ */
+isc_result_t
+dyndb_init(isc_mem_t *mctx, const char *name, const char *parameters,
+	   const char *file, unsigned long line, const dns_dyndbctx_t *dctx,
+	   void **instp) {
+	isc_result_t result;
+	unsigned int argc;
+	char **argv = NULL;
+	char *s = NULL;
+	sample_instance_t *sample_inst = NULL;
+
+	REQUIRE(name != NULL);
+	REQUIRE(dctx != NULL);
+
+	s = isc_mem_strdup(mctx, parameters);
+
+	result = isc_commandline_strtoargv(mctx, s, &argc, &argv, 0);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "dyndb_init: isc_commandline_strtoargv -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	log_write(ISC_LOG_DEBUG(9), "loading params for dyndb '%s' from %s:%lu",
+		  name, file, line);
+
+	/* Finally, create the instance. */
+	result = new_sample_instance(mctx, name, argc, argv, dctx,
+				     &sample_inst);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "dyndb_init: new_sample_instance -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	/*
+	 * This is an example so we create and load zones
+	 * right now.  This step can be arbitrarily postponed.
+	 */
+	result = load_sample_instance_zones(sample_inst);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "dyndb_init: load_sample_instance_zones -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	*instp = sample_inst;
+
+cleanup:
+	isc_mem_free(mctx, s);
+	if (argv != NULL) {
+		isc_mem_put(mctx, argv, argc * sizeof(*argv));
+	}
+
+	return (result);
+}
+
+/*
+ * Driver destroy is called for every instance on every reload and then once
+ * during shutdown.
+ *
+ * @param[out] instp Pointer to instance-specific data (for one dyndb section).
+ */
+void
+dyndb_destroy(void **instp) {
+	destroy_sample_instance((sample_instance_t **)instp);
+}
+
+/*
+ * Driver version is called when loading the driver to ensure there
+ * is no API mismatch between the driver and the caller.
+ */
+int
+dyndb_version(unsigned int *flags) {
+	UNUSED(flags);
+
+	return (DNS_DYNDB_VERSION);
+}
diff --git a/bin/tests/system/dyndb/driver/instance.c b/bin/tests/system/dyndb/driver/instance.c
new file mode 100644
index 0000000..9e90a2c
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/instance.c
@@ -0,0 +1,231 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) 2009-2015 Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Driver instance object.
+ *
+ * One instance is equivalent to dynamic-db section in named.conf.
+ * This module parses arguments and provide high-level operations
+ * instance init/zone load/instance destroy.
+ */
+
+#include "instance.h"
+
+#include <isc/task.h>
+#include <isc/util.h>
+
+#include <dns/db.h>
+#include <dns/dyndb.h>
+#include <dns/fixedname.h>
+#include <dns/name.h>
+#include <dns/view.h>
+#include <dns/zone.h>
+
+#include "db.h"
+#include "log.h"
+#include "util.h"
+#include "zone.h"
+
+/*
+ * Parse parameters and convert them to zone names. Caller has to deallocate
+ * resulting DNS names.
+ *
+ * @param[in]  argv NULL-terminated string array of length 2 (excluding NULL)
+ * 		    Each string has to be a valid DNS name.
+ * @param[out] z1   Zone name from argv[0]
+ * @param[out] z2   Zone name from argv[1]
+ */
+static isc_result_t
+parse_params(isc_mem_t *mctx, int argc, char **argv, dns_name_t *z1,
+	     dns_name_t *z2) {
+	isc_result_t result;
+	int i;
+
+	REQUIRE(argv != NULL);
+	REQUIRE(z1 != NULL);
+	REQUIRE(z2 != NULL);
+
+	for (i = 0; i < argc; i++) {
+		log_info("param: '%s'", argv[i]);
+	}
+	log_info("number of params: %d", i);
+
+	if (argc != 2) {
+		log_error("exactly two parameters "
+			  "(absolute zone names) are required");
+		result = ISC_R_FAILURE;
+		goto cleanup;
+	}
+	result = dns_name_fromstring2(z1, argv[0], dns_rootname, 0, mctx);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "parse_params: dns_name_fromstring2 -> %s",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+	result = dns_name_fromstring2(z2, argv[1], dns_rootname, 0, mctx);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "parse_params: dns_name_fromstring2 -> %s",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	result = ISC_R_SUCCESS;
+
+cleanup:
+	return (result);
+}
+
+/*
+ * Initialize new driver instance. It will not create zones until
+ * load_sample_instance_zones() is called.
+ */
+isc_result_t
+new_sample_instance(isc_mem_t *mctx, const char *db_name, int argc, char **argv,
+		    const dns_dyndbctx_t *dctx,
+		    sample_instance_t **sample_instp) {
+	isc_result_t result;
+	sample_instance_t *inst = NULL;
+
+	REQUIRE(sample_instp != NULL && *sample_instp == NULL);
+
+	CHECKED_MEM_GET_PTR(mctx, inst);
+	ZERO_PTR(inst);
+	isc_mem_attach(mctx, &inst->mctx);
+
+	inst->db_name = isc_mem_strdup(mctx, db_name);
+
+	inst->zone1_name = dns_fixedname_initname(&inst->zone1_fn);
+	inst->zone2_name = dns_fixedname_initname(&inst->zone2_fn);
+
+	result = parse_params(mctx, argc, argv, inst->zone1_name,
+			      inst->zone2_name);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "new_sample_instance: parse_params -> %s",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	dns_view_attach(dctx->view, &inst->view);
+	dns_zonemgr_attach(dctx->zmgr, &inst->zmgr);
+	isc_task_attach(dctx->task, &inst->task);
+
+	/* Register new DNS DB implementation. */
+	result = dns_db_register(db_name, create_db, inst, mctx, &inst->db_imp);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "new_sample_instance: dns_db_register -> %s",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	*sample_instp = inst;
+	result = ISC_R_SUCCESS;
+
+cleanup:
+	if (result != ISC_R_SUCCESS) {
+		destroy_sample_instance(&inst);
+	}
+	return (result);
+}
+
+/*
+ * Create empty zones, add fake SOA, NS, and A records, load fake zones
+ * and add them to inst->view.
+ */
+isc_result_t
+load_sample_instance_zones(sample_instance_t *inst) {
+	isc_result_t result;
+
+	result = create_zone(inst, inst->zone1_name, &inst->zone1);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "load_sample_instance_zones: create_zone -> %s",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+	result = activate_zone(inst, inst->zone1);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "load_sample_instance_zones: activate_zone -> %s",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	result = create_zone(inst, inst->zone2_name, &inst->zone2);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "load_sample_instance_zones: create_zone -> %s",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+	result = activate_zone(inst, inst->zone2);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "load_sample_instance_zones: activate_zone -> %s",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+cleanup:
+	return (result);
+}
+
+void
+destroy_sample_instance(sample_instance_t **instp) {
+	sample_instance_t *inst;
+	REQUIRE(instp != NULL);
+
+	inst = *instp;
+	*instp = NULL;
+	if (inst == NULL) {
+		return;
+	}
+
+	if (inst->db_name != NULL) {
+		isc_mem_free(inst->mctx, inst->db_name);
+	}
+	if (inst->zone1 != NULL) {
+		dns_zone_detach(&inst->zone1);
+	}
+	if (inst->zone2 != NULL) {
+		dns_zone_detach(&inst->zone2);
+	}
+	if (inst->db_imp != NULL) {
+		dns_db_unregister(&inst->db_imp);
+	}
+
+	dns_view_detach(&inst->view);
+	dns_zonemgr_detach(&inst->zmgr);
+	isc_task_detach(&inst->task);
+
+	MEM_PUT_AND_DETACH(inst);
+}
diff --git a/bin/tests/system/dyndb/driver/instance.h b/bin/tests/system/dyndb/driver/instance.h
new file mode 100644
index 0000000..67a219c
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/instance.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) 2009-2015 Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/**
+ * Driver instance object.
+ */
+
+#pragma once
+
+#include <stdbool.h>
+
+#include <dns/fixedname.h>
+#include <dns/name.h>
+#include <dns/types.h>
+
+struct sample_instance {
+	isc_mem_t *mctx;
+	char *db_name;
+	dns_dbimplementation_t *db_imp;
+
+	/* These are needed for zone creation. */
+	dns_view_t *view;
+	dns_zonemgr_t *zmgr;
+	isc_task_t *task;
+	bool exiting;
+
+	dns_zone_t *zone1;
+	dns_fixedname_t zone1_fn;
+	dns_name_t *zone1_name;
+
+	dns_zone_t *zone2;
+	dns_fixedname_t zone2_fn;
+	dns_name_t *zone2_name;
+};
+
+typedef struct sample_instance sample_instance_t;
+
+isc_result_t
+new_sample_instance(isc_mem_t *mctx, const char *db_name, int argc, char **argv,
+		    const dns_dyndbctx_t *dctx,
+		    sample_instance_t **sample_instp);
+
+isc_result_t
+load_sample_instance_zones(sample_instance_t *inst);
+
+void
+destroy_sample_instance(sample_instance_t **sample_instp);
diff --git a/bin/tests/system/dyndb/driver/lock.c b/bin/tests/system/dyndb/driver/lock.c
new file mode 100644
index 0000000..5d73871
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/lock.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "lock.h"
+
+#include <isc/task.h>
+#include <isc/util.h>
+
+/*
+ * Lock BIND dispatcher and allow only single task to run.
+ *
+ * @warning
+ * All calls to isc_task_beginexclusive() have to operate on the same task
+ * otherwise it would not be possible to distinguish recursive locking
+ * from real conflict on the dispatcher lock.
+ * For this reason this wrapper function always works with inst->task.
+ * As a result, this function have to be be called only from inst->task.
+ *
+ * Recursive locking is allowed. Auxiliary variable pointed to by "statep"
+ * stores information if last run_exclusive_enter() operation really locked
+ * something or if the lock was called recursively and was no-op.
+ *
+ * The pair (inst, state) used for run_exclusive_enter() has to be
+ * used for run_exclusive_exit().
+ *
+ * @param[in]  	  inst   The instance with the only task which is allowed to
+ * run.
+ * @param[in,out] statep Lock state: ISC_R_SUCCESS or ISC_R_LOCKBUSY
+ */
+void
+run_exclusive_enter(sample_instance_t *inst, isc_result_t *statep) {
+	REQUIRE(statep != NULL);
+	REQUIRE(*statep == ISC_R_IGNORE);
+
+	*statep = isc_task_beginexclusive(inst->task);
+	RUNTIME_CHECK(*statep == ISC_R_SUCCESS || *statep == ISC_R_LOCKBUSY);
+}
+
+/*
+ * Exit task-exclusive mode.
+ *
+ * @param[in] inst  The instance used for previous run_exclusive_enter() call.
+ * @param[in] state Lock state as returned by run_exclusive_enter().
+ */
+void
+run_exclusive_exit(sample_instance_t *inst, isc_result_t state) {
+	if (state == ISC_R_SUCCESS) {
+		isc_task_endexclusive(inst->task);
+	} else {
+		/* Unlocking recursive lock or the lock was never locked. */
+		INSIST(state == ISC_R_LOCKBUSY || state == ISC_R_IGNORE);
+	}
+
+	return;
+}
diff --git a/bin/tests/system/dyndb/driver/lock.h b/bin/tests/system/dyndb/driver/lock.h
new file mode 100644
index 0000000..9f2ed9e
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/lock.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#pragma once
+
+#include "instance.h"
+#include "util.h"
+
+void
+run_exclusive_enter(sample_instance_t *inst, isc_result_t *statep);
+
+void
+run_exclusive_exit(sample_instance_t *inst, isc_result_t state);
diff --git a/bin/tests/system/dyndb/driver/log.c b/bin/tests/system/dyndb/driver/log.c
new file mode 100644
index 0000000..ef8b1ee
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/log.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "log.h"
+
+#include <isc/util.h>
+
+#include <dns/log.h>
+
+void
+log_write(int level, const char *format, ...) {
+	va_list args;
+
+	va_start(args, format);
+	isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_DATABASE, DNS_LOGMODULE_DYNDB,
+		       level, format, args);
+	va_end(args);
+}
diff --git a/bin/tests/system/dyndb/driver/log.h b/bin/tests/system/dyndb/driver/log.h
new file mode 100644
index 0000000..375db2b
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/log.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#pragma once
+
+#include <isc/error.h>
+#include <isc/result.h>
+
+#include <dns/log.h>
+
+#define log_error_r(fmt, ...) \
+	log_error(fmt ": %s", ##__VA_ARGS__, isc_result_totext(result))
+
+#define log_error(format, ...) log_write(ISC_LOG_ERROR, format, ##__VA_ARGS__)
+
+#define log_info(format, ...) log_write(ISC_LOG_INFO, format, ##__VA_ARGS__)
+
+void
+log_write(int level, const char *format, ...) ISC_FORMAT_PRINTF(2, 3);
diff --git a/bin/tests/system/dyndb/driver/syncptr.c b/bin/tests/system/dyndb/driver/syncptr.c
new file mode 100644
index 0000000..5124df3
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/syncptr.c
@@ -0,0 +1,337 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Automatic A/AAAA/PTR record synchronization.
+ */
+
+#include "syncptr.h"
+
+#include <isc/event.h>
+#include <isc/eventclass.h>
+#include <isc/netaddr.h>
+#include <isc/task.h>
+#include <isc/util.h>
+
+#include <dns/byaddr.h>
+#include <dns/db.h>
+#include <dns/name.h>
+#include <dns/view.h>
+#include <dns/zone.h>
+
+#include "instance.h"
+#include "util.h"
+
+/* Almost random value. See eventclass.h */
+#define SYNCPTR_WRITE_EVENT (ISC_EVENTCLASS(1025) + 1)
+
+/*
+ * Event used for making changes to reverse zones.
+ */
+typedef struct syncptrevent syncptrevent_t;
+struct syncptrevent {
+	ISC_EVENT_COMMON(syncptrevent_t);
+	isc_mem_t *mctx;
+	dns_zone_t *zone;
+	dns_diff_t diff;
+	dns_fixedname_t ptr_target_name; /* referenced by owner name in
+					  * tuple */
+	isc_buffer_t b; /* referenced by target name in tuple */
+	unsigned char buf[DNS_NAME_MAXWIRE];
+};
+
+/*
+ * Write diff generated in syncptr() to reverse zone.
+ *
+ * This function will be called asynchronously and syncptr() will not get
+ * any result from it.
+ *
+ */
+static void
+syncptr_write(isc_task_t *task, isc_event_t *event) {
+	syncptrevent_t *pevent = (syncptrevent_t *)event;
+	dns_dbversion_t *version = NULL;
+	dns_db_t *db = NULL;
+	isc_result_t result;
+
+	REQUIRE(event->ev_type == SYNCPTR_WRITE_EVENT);
+
+	UNUSED(task);
+
+	log_write(ISC_LOG_INFO, "ENTER: syncptr_write");
+
+	result = dns_zone_getdb(pevent->zone, &db);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "syncptr_write: dns_zone_getdb -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	result = dns_db_newversion(db, &version);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "syncptr_write: dns_db_newversion -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+	result = dns_diff_apply(&pevent->diff, db, version);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "syncptr_write: dns_diff_apply -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+cleanup:
+	if (db != NULL) {
+		if (version != NULL) {
+			dns_db_closeversion(db, &version, true);
+		}
+		dns_db_detach(&db);
+	}
+	dns_zone_detach(&pevent->zone);
+	dns_diff_clear(&pevent->diff);
+	isc_event_free(&event);
+}
+
+/*
+ * Find a reverse zone for given IP address.
+ *
+ * @param[in]  rdata      IP address as A/AAAA record
+ * @param[out] name       Owner name for the PTR record
+ * @param[out] zone       DNS zone for reverse record matching the IP address
+ *
+ * @retval ISC_R_SUCCESS  DNS name derived from given IP address belongs to an
+ * 			  reverse zone managed by this driver instance.
+ * 			  PTR record synchronization can continue.
+ * @retval ISC_R_NOTFOUND Suitable reverse zone was not found because it
+ * 			  does not exist or is not managed by this driver.
+ */
+static isc_result_t
+syncptr_find_zone(sample_instance_t *inst, dns_rdata_t *rdata, dns_name_t *name,
+		  dns_zone_t **zone) {
+	isc_result_t result;
+	isc_netaddr_t isc_ip; /* internal net address representation */
+	dns_rdata_in_a_t ipv4;
+	dns_rdata_in_aaaa_t ipv6;
+
+	REQUIRE(inst != NULL);
+	REQUIRE(zone != NULL && *zone == NULL);
+
+	switch (rdata->type) {
+	case dns_rdatatype_a:
+		CHECK(dns_rdata_tostruct(rdata, &ipv4, inst->mctx));
+		isc_netaddr_fromin(&isc_ip, &ipv4.in_addr);
+		break;
+
+	case dns_rdatatype_aaaa:
+		CHECK(dns_rdata_tostruct(rdata, &ipv6, inst->mctx));
+		isc_netaddr_fromin6(&isc_ip, &ipv6.in6_addr);
+		break;
+
+	default:
+		FATAL_ERROR("unsupported address type 0x%x", rdata->type);
+		break;
+	}
+
+	/*
+	 * Convert IP address to PTR owner name.
+	 *
+	 * @example
+	 * 192.168.0.1 -> 1.0.168.192.in-addr.arpa
+	 */
+	result = dns_byaddr_createptrname(&isc_ip, 0, name);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "syncptr_find_zone: dns_byaddr_createptrname -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	/* Find a zone containing owner name of the PTR record. */
+	result = dns_zt_find(inst->view->zonetable, name, 0, NULL, zone);
+	if (result == DNS_R_PARTIALMATCH) {
+		result = ISC_R_SUCCESS;
+	} else if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "syncptr_find_zone: dns_zt_find -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	/* Make sure that the zone is managed by this driver. */
+	if (*zone != inst->zone1 && *zone != inst->zone2) {
+		dns_zone_detach(zone);
+		log_write(ISC_LOG_INFO, "syncptr_find_zone: zone not managed");
+		result = ISC_R_NOTFOUND;
+	}
+
+cleanup:
+	if (rdata->type == dns_rdatatype_a) {
+		dns_rdata_freestruct(&ipv4);
+	} else {
+		dns_rdata_freestruct(&ipv6);
+	}
+
+	return (result);
+}
+
+/*
+ * Generate update event for PTR record to reflect change in A/AAAA record.
+ *
+ * @pre Reverse zone is managed by this driver.
+ *
+ * @param[in]  a_name  DNS domain of modified A/AAAA record
+ * @param[in]  af      Address family
+ * @param[in]  ip_str  IP address as a string (IPv4 or IPv6)
+ * @param[in]  mod_op  LDAP_MOD_DELETE if A/AAAA record is being deleted
+ *                     or LDAP_MOD_ADD if A/AAAA record is being added.
+ *
+ * @retval ISC_R_SUCCESS Event for PTR record update was generated and send.
+ *                       Change to reverse zone will be done asynchronously.
+ * @retval other	 Synchronization failed - reverse doesn't exist,
+ * 			 is not managed by this driver instance,
+ * 			 memory allocation error, etc.
+ */
+static isc_result_t
+syncptr(sample_instance_t *inst, dns_name_t *name, dns_rdata_t *addr_rdata,
+	dns_ttl_t ttl, dns_diffop_t op) {
+	isc_result_t result;
+	isc_mem_t *mctx = inst->mctx;
+	dns_fixedname_t ptr_name;
+	dns_zone_t *ptr_zone = NULL;
+	dns_rdata_ptr_t ptr_struct;
+	dns_rdata_t ptr_rdata = DNS_RDATA_INIT;
+	dns_difftuple_t *tp = NULL;
+	isc_task_t *task = NULL;
+	syncptrevent_t *pevent = NULL;
+
+	dns_fixedname_init(&ptr_name);
+	DNS_RDATACOMMON_INIT(&ptr_struct, dns_rdatatype_ptr, dns_rdataclass_in);
+	dns_name_init(&ptr_struct.ptr, NULL);
+
+	pevent = (syncptrevent_t *)isc_event_allocate(
+		inst->mctx, inst, SYNCPTR_WRITE_EVENT, syncptr_write, NULL,
+		sizeof(syncptrevent_t));
+	isc_buffer_init(&pevent->b, pevent->buf, sizeof(pevent->buf));
+	dns_fixedname_init(&pevent->ptr_target_name);
+
+	/* Check if reverse zone is managed by this driver */
+	result = syncptr_find_zone(inst, addr_rdata,
+				   dns_fixedname_name(&ptr_name), &ptr_zone);
+	if (result != ISC_R_SUCCESS) {
+		log_error_r("PTR record synchronization skipped: reverse zone "
+			    "is not managed by driver instance '%s'",
+			    inst->db_name);
+		goto cleanup;
+	}
+
+	/* Reverse zone is managed by this driver, prepare PTR record */
+	pevent->zone = NULL;
+	dns_zone_attach(ptr_zone, &pevent->zone);
+	dns_name_copy(name, dns_fixedname_name(&pevent->ptr_target_name));
+	dns_name_clone(dns_fixedname_name(&pevent->ptr_target_name),
+		       &ptr_struct.ptr);
+	dns_diff_init(inst->mctx, &pevent->diff);
+	result = dns_rdata_fromstruct(&ptr_rdata, dns_rdataclass_in,
+				      dns_rdatatype_ptr, &ptr_struct,
+				      &pevent->b);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "syncptr: dns_rdata_fromstruct -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	/* Create diff */
+	result = dns_difftuple_create(mctx, op, dns_fixedname_name(&ptr_name),
+				      ttl, &ptr_rdata, &tp);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "syncptr: dns_difftuple_create -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+	dns_diff_append(&pevent->diff, &tp);
+
+	/*
+	 * Send update event to the reverse zone.
+	 * It will be processed asynchronously.
+	 */
+	dns_zone_gettask(ptr_zone, &task);
+	isc_task_send(task, (isc_event_t **)&pevent);
+
+cleanup:
+	if (ptr_zone != NULL) {
+		dns_zone_detach(&ptr_zone);
+	}
+	if (tp != NULL) {
+		dns_difftuple_free(&tp);
+	}
+	if (task != NULL) {
+		isc_task_detach(&task);
+	}
+	if (pevent != NULL) {
+		isc_event_free((isc_event_t **)&pevent);
+	}
+
+	return (result);
+}
+
+/*
+ * Generate update event for every rdata in rdataset.
+ *
+ * @param[in]  name      Owner name for A/AAAA records in rdataset.
+ * @param[in]  rdataset  A/AAAA records.
+ * @param[in]  op	 DNS_DIFFOP_ADD / DNS_DIFFOP_DEL for adding / deleting
+ * 			 the rdata
+ */
+isc_result_t
+syncptrs(sample_instance_t *inst, dns_name_t *name, dns_rdataset_t *rdataset,
+	 dns_diffop_t op) {
+	isc_result_t result;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+
+	for (result = dns_rdataset_first(rdataset); result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(rdataset))
+	{
+		dns_rdataset_current(rdataset, &rdata);
+		result = syncptr(inst, name, &rdata, rdataset->ttl, op);
+		if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND) {
+			goto cleanup;
+		}
+	}
+	if (result == ISC_R_NOMORE) {
+		result = ISC_R_SUCCESS;
+	}
+
+cleanup:
+	return (result);
+}
diff --git a/bin/tests/system/dyndb/driver/syncptr.h b/bin/tests/system/dyndb/driver/syncptr.h
new file mode 100644
index 0000000..91edee1
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/syncptr.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Sync PTR records
+ */
+
+#pragma once
+
+#include <isc/result.h>
+
+#include <dns/diff.h>
+#include <dns/name.h>
+#include <dns/rdataset.h>
+
+#include "instance.h"
+
+isc_result_t
+syncptrs(sample_instance_t *inst, dns_name_t *name, dns_rdataset_t *rdataset,
+	 dns_diffop_t op);
diff --git a/bin/tests/system/dyndb/driver/util.h b/bin/tests/system/dyndb/driver/util.h
new file mode 100644
index 0000000..d59a7fd
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/util.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Memory allocation and error handling utilities.
+ */
+
+#pragma once
+
+#include <isc/mem.h>
+
+#include <dns/types.h>
+
+#include "log.h"
+
+#define CLEANUP_WITH(result_code)       \
+	do {                            \
+		result = (result_code); \
+		goto cleanup;           \
+	} while (0)
+
+#define CHECK(op)                            \
+	do {                                 \
+		result = (op);               \
+		if (result != ISC_R_SUCCESS) \
+			goto cleanup;        \
+	} while (0)
+
+#define CHECKED_MEM_GET(m, target_ptr, s)                      \
+	do {                                                   \
+		(target_ptr) = isc_mem_get((m), (s));          \
+		if ((target_ptr) == NULL) {                    \
+			result = ISC_R_NOMEMORY;               \
+			log_error("Memory allocation failed"); \
+			goto cleanup;                          \
+		}                                              \
+	} while (0)
+
+#define CHECKED_MEM_GET_PTR(m, target_ptr) \
+	CHECKED_MEM_GET(m, target_ptr, sizeof(*(target_ptr)))
+
+#define CHECKED_MEM_STRDUP(m, source, target)                  \
+	do {                                                   \
+		(target) = isc_mem_strdup((m), (source));      \
+		if ((target) == NULL) {                        \
+			result = ISC_R_NOMEMORY;               \
+			log_error("Memory allocation failed"); \
+			goto cleanup;                          \
+		}                                              \
+	} while (0)
+
+#define ZERO_PTR(ptr) memset((ptr), 0, sizeof(*(ptr)))
+
+#define MEM_PUT_AND_DETACH(target_ptr)                        \
+	isc_mem_putanddetach(&(target_ptr)->mctx, target_ptr, \
+			     sizeof(*(target_ptr)))
diff --git a/bin/tests/system/dyndb/driver/zone.c b/bin/tests/system/dyndb/driver/zone.c
new file mode 100644
index 0000000..59f87a6
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/zone.c
@@ -0,0 +1,265 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) Red Hat
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND AUTHORS DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Zone management.
+ */
+
+#include "zone.h"
+#include <inttypes.h>
+#include <stdbool.h>
+
+#include <isc/util.h>
+
+#include <dns/dyndb.h>
+#include <dns/view.h>
+#include <dns/zone.h>
+
+#include "instance.h"
+#include "lock.h"
+#include "log.h"
+#include "util.h"
+
+extern const char *impname;
+
+/*
+ * Create a new zone with origin 'name'. The zone stay invisible to clients
+ * until it is explicitly added to a view.
+ */
+isc_result_t
+create_zone(sample_instance_t *const inst, dns_name_t *const name,
+	    dns_zone_t **const rawp) {
+	isc_result_t result;
+	dns_zone_t *raw = NULL;
+	const char *zone_argv[1];
+	char zone_name[DNS_NAME_FORMATSIZE];
+	dns_acl_t *acl_any = NULL;
+
+	REQUIRE(inst != NULL);
+	REQUIRE(name != NULL);
+	REQUIRE(rawp != NULL && *rawp == NULL);
+
+	zone_argv[0] = inst->db_name;
+
+	result = dns_zone_create(&raw, inst->mctx);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR, "create_zone: dns_zone_create -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+	result = dns_zone_setorigin(raw, name);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "create_zone: dns_zone_setorigin -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+	dns_zone_setclass(raw, dns_rdataclass_in);
+	dns_zone_settype(raw, dns_zone_primary);
+	dns_zone_setdbtype(raw, 1, zone_argv);
+
+	result = dns_zonemgr_managezone(inst->zmgr, raw);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "create_zone: dns_zonemgr_managezone -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+	/* This is completely insecure - use some sensible values instead! */
+	result = dns_acl_any(inst->mctx, &acl_any);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR, "create_zone: dns_acl_any -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+	dns_zone_setupdateacl(raw, acl_any);
+	dns_zone_setqueryacl(raw, acl_any);
+	dns_zone_setxfracl(raw, acl_any);
+	dns_acl_detach(&acl_any);
+
+	*rawp = raw;
+	return (ISC_R_SUCCESS);
+
+cleanup:
+	dns_name_format(name, zone_name, DNS_NAME_FORMATSIZE);
+	log_error_r("failed to create new zone '%s'", zone_name);
+
+	if (raw != NULL) {
+		if (dns_zone_getmgr(raw) != NULL) {
+			dns_zonemgr_releasezone(inst->zmgr, raw);
+		}
+		dns_zone_detach(&raw);
+	}
+	if (acl_any != NULL) {
+		dns_acl_detach(&acl_any);
+	}
+
+	return (result);
+}
+
+/*
+ * Add zone to the view defined in inst->view. This will make the zone visible
+ * to clients.
+ */
+static isc_result_t
+publish_zone(sample_instance_t *inst, dns_zone_t *zone) {
+	isc_result_t result;
+	bool freeze = false;
+	dns_zone_t *zone_in_view = NULL;
+	dns_view_t *view_in_zone = NULL;
+	isc_result_t lock_state = ISC_R_IGNORE;
+
+	REQUIRE(inst != NULL);
+	REQUIRE(zone != NULL);
+
+	/* Return success if the zone is already in the view as expected. */
+	result = dns_view_findzone(inst->view, dns_zone_getorigin(zone),
+				   &zone_in_view);
+	if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND) {
+		goto cleanup;
+	}
+
+	view_in_zone = dns_zone_getview(zone);
+	if (view_in_zone != NULL) {
+		/* Zone has a view set -> view should contain the same zone. */
+		if (zone_in_view == zone) {
+			/* Zone is already published in the right view. */
+			CLEANUP_WITH(ISC_R_SUCCESS);
+		} else if (view_in_zone != inst->view) {
+			/*
+			 * Un-published inactive zone will have
+			 * inst->view in zone but will not be present
+			 * in the view itself.
+			 */
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "zone->view doesn't "
+				     "match data in the view");
+			CLEANUP_WITH(ISC_R_UNEXPECTED);
+		}
+	}
+
+	if (zone_in_view != NULL) {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "cannot publish zone: view already "
+			     "contains another zone with this name");
+		CLEANUP_WITH(ISC_R_UNEXPECTED);
+	}
+
+	run_exclusive_enter(inst, &lock_state);
+	if (inst->view->frozen) {
+		freeze = true;
+		dns_view_thaw(inst->view);
+	}
+
+	dns_zone_setview(zone, inst->view);
+	result = dns_view_addzone(inst->view, zone);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "publish_zone: dns_view_addzone -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+cleanup:
+	if (zone_in_view != NULL) {
+		dns_zone_detach(&zone_in_view);
+	}
+	if (freeze) {
+		dns_view_freeze(inst->view);
+	}
+	run_exclusive_exit(inst, lock_state);
+
+	return (result);
+}
+
+/*
+ * @warning Never call this on raw part of in-line secure zone, call it only
+ * on the secure zone!
+ */
+static isc_result_t
+load_zone(dns_zone_t *zone) {
+	isc_result_t result;
+	bool zone_dynamic;
+	uint32_t serial;
+
+	result = dns_zone_load(zone, false);
+	if (result != ISC_R_SUCCESS && result != DNS_R_UPTODATE &&
+	    result != DNS_R_DYNAMIC && result != DNS_R_CONTINUE)
+	{
+		goto cleanup;
+	}
+	zone_dynamic = (result == DNS_R_DYNAMIC);
+
+	result = dns_zone_getserial(zone, &serial);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR,
+			  "load_zone: dns_zone_getserial -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+	dns_zone_log(zone, ISC_LOG_INFO, "loaded serial %u", serial);
+
+	if (zone_dynamic) {
+		dns_zone_notify(zone);
+	}
+
+cleanup:
+	return (result);
+}
+
+/*
+ * Add zone to view and call dns_zone_load().
+ */
+isc_result_t
+activate_zone(sample_instance_t *inst, dns_zone_t *raw) {
+	isc_result_t result;
+
+	/*
+	 * Zone has to be published *before* zone load
+	 * otherwise it will race with zone->view != NULL check
+	 * in zone_maintenance() in zone.c.
+	 */
+	result = publish_zone(inst, raw);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(raw, ISC_LOG_ERROR, "cannot add zone to view: %s",
+			     isc_result_totext(result));
+		goto cleanup;
+	}
+
+	result = load_zone(raw);
+	if (result != ISC_R_SUCCESS) {
+		log_write(ISC_LOG_ERROR, "activate_zone: load_zone -> %s\n",
+			  isc_result_totext(result));
+		goto cleanup;
+	}
+
+cleanup:
+	return (result);
+}
diff --git a/bin/tests/system/dyndb/driver/zone.h b/bin/tests/system/dyndb/driver/zone.h
new file mode 100644
index 0000000..85575a0
--- /dev/null
+++ b/bin/tests/system/dyndb/driver/zone.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0 AND ISC
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Copyright (C) Red Hat
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND STICHTING NLNET
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * STICHTING NLNET BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
+ * USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#pragma once
+
+#include <isc/result.h>
+
+#include <dns/name.h>
+
+#include "instance.h"
+
+isc_result_t
+create_zone(sample_instance_t *const inst, dns_name_t *const name,
+	    dns_zone_t **const rawp);
+
+isc_result_t
+activate_zone(sample_instance_t *inst, dns_zone_t *raw);
diff --git a/bin/tests/system/dyndb/ns1/named.conf.in b/bin/tests/system/dyndb/ns1/named.conf.in
new file mode 100644
index 0000000..d319a2a
--- /dev/null
+++ b/bin/tests/system/dyndb/ns1/named.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.1; 127.0.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+dyndb sample "../driver/.libs/sample.so" { ipv4.example.nil. in-addr.arpa. };
+dyndb sample2 "../driver/.libs/sample.so" { ipv6.example.nil. 8.b.d.0.1.0.0.2.ip6.arpa. };
diff --git a/bin/tests/system/dyndb/prereq.sh b/bin/tests/system/dyndb/prereq.sh
new file mode 100644
index 0000000..19e0467
--- /dev/null
+++ b/bin/tests/system/dyndb/prereq.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$FEATURETEST --tsan &&  {
+        echo_i "TSAN - skipping dyndb test"
+        exit 255
+}
+
+exit 0
diff --git a/bin/tests/system/dyndb/setup.sh b/bin/tests/system/dyndb/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/dyndb/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/dyndb/tests.sh b/bin/tests/system/dyndb/tests.sh
new file mode 100644
index 0000000..ef02dea
--- /dev/null
+++ b/bin/tests/system/dyndb/tests.sh
@@ -0,0 +1,166 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+DIGOPTS="@10.53.0.1 -p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+newtest() {
+	n=$((n + 1))
+	echo_i "${1} (${n})"
+	ret=0
+}
+
+test_add() {
+    host="$1"
+    type="$2"
+    ip="$3"
+
+    cat <<EOF > ns1/update.txt
+server 10.53.0.1 ${PORT}
+ttl 86400
+update add $host $type $ip
+send
+EOF
+
+    newtest "adding $host $type $ip"
+    $NSUPDATE ns1/update.txt > /dev/null 2>&1 || {
+	[ "$should_fail" ] || \
+	     echo_i "update failed for $host $type $ip"
+	return 1
+    }
+
+    out=$($DIG $DIGOPTS +noall +answer -t $type -q $host)
+    echo $out > added.a.out.$n
+    lines=$(echo "$out" | grep "$ip" | wc -l)
+    [ $lines -eq 1 ] || {
+	[ "$should_fail" ] || \
+	    echo_i "dig output incorrect for $host $type $cmd: $out"
+	return 1
+    }
+
+    for i in 1 2 3 4 5 6 7 8 9 10
+    do
+	out=$($DIG $DIGOPTS +noall +answer -x $ip)
+	echo $out > added.ptr.out.$n
+	lines=$(echo "$out" | grep "$host" | wc -l)
+	[ $lines -eq 1 ] && break;
+	$PERL -e 'select(undef, undef, undef, 0.1);'
+    done
+    [ $lines -eq 1 ] || {
+	[ "$should_fail" ] || \
+	    echo_i "dig reverse output incorrect for $host $type $cmd: $out"
+	return 1
+    }
+
+    return 0
+}
+
+test_del() {
+    host="$1"
+    type="$2"
+
+    ip=$($DIG $DIGOPTS +short $host $type)
+
+    cat <<EOF > ns1/update.txt
+server 10.53.0.1 ${PORT}
+update del $host $type
+send
+EOF
+
+    newtest "deleting $host $type (was $ip)"
+    $NSUPDATE ns1/update.txt > /dev/null 2>&1 || {
+	[ "$should_fail" ] || \
+	     echo_i "update failed deleting $host $type"
+	return 1
+    }
+
+    out=$($DIG $DIGOPTS +noall +answer -t $type -q $host)
+    echo $out > deleted.a.out.$n
+    lines=$(echo "$out" | grep "$ip" | wc -l)
+    [ $lines -eq 0 ] || {
+	[ "$should_fail" ] || \
+	    echo_i "dig output incorrect for $host $type $cmd: $out"
+	return 1
+    }
+
+    for i in 1 2 3 4 5 6 7 8 9 10
+    do
+	out=$($DIG $DIGOPTS +noall +answer -x $ip)
+	echo $out > deleted.ptr.out.$n
+	lines=$(echo "$out" | grep "$host" | wc -l)
+	[ $lines -eq 0 ] && break
+	$PERL -e 'select(undef, undef, undef, 0.1);'
+    done
+    [ $lines -eq 0 ] || {
+	[ "$should_fail" ] || \
+	    echo_i "dig reverse output incorrect for $host $type $cmd: $out"
+	return 1
+    }
+
+    return 0
+}
+
+test_add test1.ipv4.example.nil. A "10.53.0.10" || ret=1
+status=$((status + ret))
+
+test_add test2.ipv4.example.nil. A "10.53.0.11" || ret=1
+status=$((status + ret))
+
+test_add test3.ipv4.example.nil. A "10.53.0.12" || ret=1
+status=$((status + ret))
+
+test_add test4.ipv6.example.nil. AAAA "2001:db8::1" || ret=1
+status=$((status + ret))
+
+test_del test1.ipv4.example.nil. A || ret=1
+status=$((status + ret))
+
+test_del test2.ipv4.example.nil. A || ret=1
+status=$((status + ret))
+
+test_del test3.ipv4.example.nil. A || ret=1
+status=$((status + ret))
+
+test_del test4.ipv6.example.nil. AAAA || ret=1
+status=$((status + ret))
+
+newtest "checking parameter logging"
+grep "loading params for dyndb 'sample' from .*named.conf:" ns1/named.run > /dev/null || ret=1
+grep "loading params for dyndb 'sample2' from .*named.conf:" ns1/named.run > /dev/null || ret=1
+[ $ret -eq 1 ] && echo_i "failed"
+status=$((status + ret))
+
+echo_i "checking dyndb still works after reload"
+rndc_reload ns1 10.53.0.1
+
+test_add test5.ipv4.example.nil. A "10.53.0.10" || ret=1
+status=$((status + ret))
+
+test_add test6.ipv6.example.nil. AAAA "2001:db8::1" || ret=1
+status=$((status + ret))
+
+test_del test5.ipv4.example.nil. A || ret=1
+status=$((status + ret))
+
+test_del test6.ipv6.example.nil. AAAA || ret=1
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/dyndb/tests_sh_dyndb.py b/bin/tests/system/dyndb/tests_sh_dyndb.py
new file mode 100644
index 0000000..ca8f7a1
--- /dev/null
+++ b/bin/tests/system/dyndb/tests_sh_dyndb.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_dyndb(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/ecdsa/clean.sh b/bin/tests/system/ecdsa/clean.sh
new file mode 100644
index 0000000..86aded6
--- /dev/null
+++ b/bin/tests/system/ecdsa/clean.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+rm -f ./dig.out*
+rm -f ns*/*.signed
+rm -f ns*/K*
+rm -f ns*/dsset-*
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.conf
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/root.db
+rm -f ns*/signer.err
+rm -f ns*/trusted.conf
+rm -f *-supported.file
diff --git a/bin/tests/system/ecdsa/ns1/named.conf.in b/bin/tests/system/ecdsa/ns1/named.conf.in
new file mode 100644
index 0000000..da27c58
--- /dev/null
+++ b/bin/tests/system/ecdsa/ns1/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/ecdsa/ns1/root.db.in b/bin/tests/system/ecdsa/ns1/root.db.in
new file mode 100644
index 0000000..3bff1d1
--- /dev/null
+++ b/bin/tests/system/ecdsa/ns1/root.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	fdupont.isc.org. a.root.servers.nil. (
+				2012040600   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
diff --git a/bin/tests/system/ecdsa/ns1/sign.sh b/bin/tests/system/ecdsa/ns1/sign.sh
new file mode 100644
index 0000000..f922225
--- /dev/null
+++ b/bin/tests/system/ecdsa/ns1/sign.sh
@@ -0,0 +1,57 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../../conf.sh
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+echo_i "ns1/sign.sh"
+
+cp $infile $zonefile
+
+if [ -f ../ecdsa256-supported.file ]; then
+	zsk256=$($KEYGEN -q -a ECDSA256 -n zone "$zone")
+	ksk256=$($KEYGEN -q -a ECDSA256 -n zone -f KSK "$zone")
+	cat "$ksk256.key" "$zsk256.key" >> "$zonefile"
+	$DSFROMKEY -a sha-256 "$ksk256.key" >> dsset-256
+fi
+
+if [ -f ../ecdsa384-supported.file ]; then
+	zsk384=$($KEYGEN -q -a ECDSA384 -n zone "$zone")
+	ksk384=$($KEYGEN -q -a ECDSA384 -n zone -f KSK "$zone")
+	cat "$ksk384.key" "$zsk384.key" >> "$zonefile"
+	$DSFROMKEY -a sha-256 "$ksk384.key" >> dsset-256
+fi
+
+# Configure the resolving server with a static key.
+if [ -f ../ecdsa256-supported.file ]; then
+	keyfile_to_static_ds $ksk256 > trusted.conf
+	cp trusted.conf ../ns2/trusted.conf
+else
+	keyfile_to_static_ds $ksk384 > trusted.conf
+	cp trusted.conf ../ns2/trusted.conf
+fi
+
+if [ -f ../ecdsa384-supported.file ]; then
+	keyfile_to_static_ds $ksk384 > trusted.conf
+	cp trusted.conf ../ns3/trusted.conf
+else
+	keyfile_to_static_ds $ksk256 > trusted.conf
+	cp trusted.conf ../ns3/trusted.conf
+fi
+
+$SIGNER -P -g -o "$zone" "$zonefile" > /dev/null 2> signer.err || cat signer.err
diff --git a/bin/tests/system/ecdsa/ns2/named.conf.in b/bin/tests/system/ecdsa/ns2/named.conf.in
new file mode 100644
index 0000000..fd125d3
--- /dev/null
+++ b/bin/tests/system/ecdsa/ns2/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/ecdsa/ns3/named.conf.in b/bin/tests/system/ecdsa/ns3/named.conf.in
new file mode 100644
index 0000000..f1a80b6
--- /dev/null
+++ b/bin/tests/system/ecdsa/ns3/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/ecdsa/setup.sh b/bin/tests/system/ecdsa/setup.sh
new file mode 100644
index 0000000..86cd1cf
--- /dev/null
+++ b/bin/tests/system/ecdsa/setup.sh
@@ -0,0 +1,32 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+if $SHELL ../testcrypto.sh ecdsap256sha256; then
+	echo "yes" > ecdsa256-supported.file
+fi
+
+if $SHELL ../testcrypto.sh ecdsap384sha384; then
+	echo "yes" > ecdsa384-supported.file
+fi
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+(
+	cd ns1
+	$SHELL sign.sh
+)
diff --git a/bin/tests/system/ecdsa/tests.sh b/bin/tests/system/ecdsa/tests.sh
new file mode 100644
index 0000000..f1210ec
--- /dev/null
+++ b/bin/tests/system/ecdsa/tests.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+dig_with_opts() {
+    "$DIG" +tcp +noau +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" "$@"
+}
+
+if [ -f ecdsa256-supported.file ]; then
+	n=$((n+1))
+	echo_i "checking that ECDSA256 positive validation works ($n)"
+	ret=0
+	dig_with_opts . @10.53.0.1 soa > dig.out.ns1.test$n || ret=1
+	dig_with_opts . @10.53.0.2 soa > dig.out.ns2.test$n || ret=1
+	$PERL ../digcomp.pl dig.out.ns1.test$n dig.out.ns2.test$n || ret=1
+	grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+else
+	echo_i "algorithm ECDSA256 not supported, skipping test"
+fi
+
+if [ -f ecdsa384-supported.file ]; then
+	n=$((n+1))
+	echo_i "checking that ECDSA384 positive validation works ($n)"
+	ret=0
+	dig_with_opts . @10.53.0.1 soa > dig.out.ns1.test$n || ret=1
+	dig_with_opts . @10.53.0.3 soa > dig.out.ns3.test$n || ret=1
+	$PERL ../digcomp.pl dig.out.ns1.test$n dig.out.ns3.test$n || ret=1
+	grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+else
+	echo_i "algorithm ECDSA384 not supported, skipping test"
+fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/ecdsa/tests_sh_ecdsa.py b/bin/tests/system/ecdsa/tests_sh_ecdsa.py
new file mode 100644
index 0000000..98b9eee
--- /dev/null
+++ b/bin/tests/system/ecdsa/tests_sh_ecdsa.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_ecdsa(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/eddsa/clean.sh b/bin/tests/system/eddsa/clean.sh
new file mode 100644
index 0000000..42f5f75
--- /dev/null
+++ b/bin/tests/system/eddsa/clean.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+rm -f ./dig.out*
+rm -f ns*/*.signed
+rm -f ns*/K*
+rm -f ns*/dsset-*
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.conf
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/root.db
+rm -f ns*/signer.err
+rm -f ns*/trusted.conf
+rm -f ns*/example.com.db
+rm -f *-supported.file
diff --git a/bin/tests/system/eddsa/ns1/named.conf.in b/bin/tests/system/eddsa/ns1/named.conf.in
new file mode 100644
index 0000000..da27c58
--- /dev/null
+++ b/bin/tests/system/eddsa/ns1/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/eddsa/ns1/root.db.in b/bin/tests/system/eddsa/ns1/root.db.in
new file mode 100644
index 0000000..3bff1d1
--- /dev/null
+++ b/bin/tests/system/eddsa/ns1/root.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	fdupont.isc.org. a.root.servers.nil. (
+				2012040600   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
diff --git a/bin/tests/system/eddsa/ns1/sign.sh b/bin/tests/system/eddsa/ns1/sign.sh
new file mode 100644
index 0000000..9bf07f0
--- /dev/null
+++ b/bin/tests/system/eddsa/ns1/sign.sh
@@ -0,0 +1,57 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../../conf.sh
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+echo_i "ns1/sign.sh"
+
+cp $infile $zonefile
+
+if [ -f ../ed25519-supported.file ]; then
+	zsk25519=$($KEYGEN -q -a ED25519 -n zone "$zone")
+	ksk25519=$($KEYGEN -q -a ED25519 -n zone -f KSK "$zone")
+	cat "$ksk25519.key" "$zsk25519.key" >> "$zonefile"
+	$DSFROMKEY -a sha-256 "$ksk25519.key" >> dsset-256
+fi
+
+if [ -f ../ed448-supported.file ]; then
+	zsk448=$($KEYGEN -q -a ED448 -n zone "$zone")
+	ksk448=$($KEYGEN -q -a ED448 -n zone -f KSK "$zone")
+	cat "$ksk448.key" "$zsk448.key" >> "$zonefile"
+	$DSFROMKEY -a sha-256 "$ksk448.key" >> dsset-256
+fi
+
+# Configure the resolving server with a static key.
+if [ -f ../ed25519-supported.file ]; then
+	keyfile_to_static_ds $ksk25519 > trusted.conf
+	cp trusted.conf ../ns2/trusted.conf
+else
+	keyfile_to_static_ds $ksk448 > trusted.conf
+	cp trusted.conf ../ns2/trusted.conf
+fi
+
+if [ -f ../ed448-supported.file ]; then
+	keyfile_to_static_ds $ksk448 > trusted.conf
+	cp trusted.conf ../ns3/trusted.conf
+else
+	keyfile_to_static_ds $ksk25519 > trusted.conf
+	cp trusted.conf ../ns3/trusted.conf
+fi
+
+$SIGNER -P -g -o "$zone" "$zonefile" > /dev/null 2> signer.err || cat signer.err
diff --git a/bin/tests/system/eddsa/ns2/Xexample.com.+015+03613.key b/bin/tests/system/eddsa/ns2/Xexample.com.+015+03613.key
new file mode 100644
index 0000000..ff6d5bf
--- /dev/null
+++ b/bin/tests/system/eddsa/ns2/Xexample.com.+015+03613.key
@@ -0,0 +1 @@
+example.com. IN DNSKEY 257 3 15 l02Woi0iS8Aa25FQkUd9RMzZHJpBoRQwAQEX1SxZJA4=
diff --git a/bin/tests/system/eddsa/ns2/Xexample.com.+015+03613.private b/bin/tests/system/eddsa/ns2/Xexample.com.+015+03613.private
new file mode 100644
index 0000000..788b2d7
--- /dev/null
+++ b/bin/tests/system/eddsa/ns2/Xexample.com.+015+03613.private
@@ -0,0 +1,4 @@
+Private-key-format: v1.2
+Algorithm: 15 (ED25519)
+PrivateKey: ODIyNjAzODQ2MjgwODAxMjI2NDUxOTAyMDQxNDIyNjI=
+
diff --git a/bin/tests/system/eddsa/ns2/Xexample.com.+015+35217.key b/bin/tests/system/eddsa/ns2/Xexample.com.+015+35217.key
new file mode 100644
index 0000000..71e4620
--- /dev/null
+++ b/bin/tests/system/eddsa/ns2/Xexample.com.+015+35217.key
@@ -0,0 +1 @@
+example.com. IN DNSKEY 257 3 15 zPnZ/QwEe7S8C5SPz2OfS5RR40ATk2/rYnE9xHIEijs=
diff --git a/bin/tests/system/eddsa/ns2/Xexample.com.+015+35217.private b/bin/tests/system/eddsa/ns2/Xexample.com.+015+35217.private
new file mode 100644
index 0000000..78ec36d
--- /dev/null
+++ b/bin/tests/system/eddsa/ns2/Xexample.com.+015+35217.private
@@ -0,0 +1,3 @@
+Private-key-format: v1.2
+Algorithm: 15 (ED25519)
+PrivateKey: DSSF3o0s0f+ElWzj9E/Osxw8hLpk55chkmx0LYN5WiY=
diff --git a/bin/tests/system/eddsa/ns2/example.com.db.in b/bin/tests/system/eddsa/ns2/example.com.db.in
new file mode 100644
index 0000000..0ecda67
--- /dev/null
+++ b/bin/tests/system/eddsa/ns2/example.com.db.in
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@			IN SOA	fdupont.isc.org. ns.example.com. (
+				2012040600	; serial
+				600		; refresh
+				600		; retry
+				1200		; expire
+				3600		; minimum
+				)
+			MX	10 mail.example.com.
+			NS	ns.example.com.
+ns.example.com.		A	10.53.0.2
diff --git a/bin/tests/system/eddsa/ns2/named.conf.in b/bin/tests/system/eddsa/ns2/named.conf.in
new file mode 100644
index 0000000..fd125d3
--- /dev/null
+++ b/bin/tests/system/eddsa/ns2/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/eddsa/ns2/sign.sh b/bin/tests/system/eddsa/ns2/sign.sh
new file mode 100644
index 0000000..6c1c479
--- /dev/null
+++ b/bin/tests/system/eddsa/ns2/sign.sh
@@ -0,0 +1,38 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../../conf.sh
+
+zone=example.com.
+infile=example.com.db.in
+zonefile=example.com.db
+starttime=20150729220000
+endtime=20150819220000
+
+echo_i "ns2/sign.sh"
+
+cp $infile $zonefile
+
+if [ -f ../ed25519-supported.file ]; then
+
+	for i in Xexample.com.+015+03613 Xexample.com.+015+35217
+	do
+		cp "$i.key" "$(echo $i.key | sed s/X/K/)"
+		cp "$i.private" "$(echo $i.private | sed s/X/K/)"
+		cat "$(echo $i.key | sed s/X/K/)" >> "$zonefile"
+	done
+fi
+
+$SIGNER -P -z -s "$starttime" -e "$endtime" -o "$zone" "$zonefile" > /dev/null 2> signer.err || cat signer.err
diff --git a/bin/tests/system/eddsa/ns3/Xexample.com.+016+09713.key b/bin/tests/system/eddsa/ns3/Xexample.com.+016+09713.key
new file mode 100644
index 0000000..5c4628f
--- /dev/null
+++ b/bin/tests/system/eddsa/ns3/Xexample.com.+016+09713.key
@@ -0,0 +1 @@
+example.com. IN DNSKEY 257 3 16 3kgROaDjrh0H2iuixWBrc8g2EpBBLCdGzHmn+G2MpTPhpj/OiBVHHSfPodx1FYYUcJKm1MDpJtIA
diff --git a/bin/tests/system/eddsa/ns3/Xexample.com.+016+09713.private b/bin/tests/system/eddsa/ns3/Xexample.com.+016+09713.private
new file mode 100644
index 0000000..eb065f9
--- /dev/null
+++ b/bin/tests/system/eddsa/ns3/Xexample.com.+016+09713.private
@@ -0,0 +1,3 @@
+Private-key-format: v1.2
+Algorithm: 16 (ED448)
+PrivateKey: xZ+5Cgm463xugtkY5B0Jx6erFTXp13rYegst0qRtNsOYnaVpMx0Z/c5EiA9x8wWbDDct/U3FhYWA
diff --git a/bin/tests/system/eddsa/ns3/Xexample.com.+016+38353.key b/bin/tests/system/eddsa/ns3/Xexample.com.+016+38353.key
new file mode 100644
index 0000000..705856d
--- /dev/null
+++ b/bin/tests/system/eddsa/ns3/Xexample.com.+016+38353.key
@@ -0,0 +1 @@
+example.com. IN DNSKEY 257 3 16 kkreGWoccSDmUBGAe7+zsbG6ZAFQp+syPmYUurBRQc3tDjeMCJcVMRDmgcNLp5HlHAMy12VoISsA
diff --git a/bin/tests/system/eddsa/ns3/Xexample.com.+016+38353.private b/bin/tests/system/eddsa/ns3/Xexample.com.+016+38353.private
new file mode 100644
index 0000000..b512d80
--- /dev/null
+++ b/bin/tests/system/eddsa/ns3/Xexample.com.+016+38353.private
@@ -0,0 +1,3 @@
+Private-key-format: v1.2
+Algorithm: 16 (ED448)
+PrivateKey: WEykD3ht3MHkU8iH4uVOLz8JLwtRBSqiBoM6fF72+Mrp/u5gjxuB1DV6NnPO2BlZdz4hdSTkOdOA
diff --git a/bin/tests/system/eddsa/ns3/example.com.db.in b/bin/tests/system/eddsa/ns3/example.com.db.in
new file mode 100644
index 0000000..9a1aab6
--- /dev/null
+++ b/bin/tests/system/eddsa/ns3/example.com.db.in
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@			IN SOA	fdupont.isc.org. ns.example.com. (
+				2012040600	; serial
+				600		; refresh
+				600		; retry
+				1200		; expire
+				3600		; minimum
+				)
+			MX	10 mail.example.com.
+			NS	ns.example.com.
+ns.example.com.		A	10.53.0.3
diff --git a/bin/tests/system/eddsa/ns3/named.conf.in b/bin/tests/system/eddsa/ns3/named.conf.in
new file mode 100644
index 0000000..f1a80b6
--- /dev/null
+++ b/bin/tests/system/eddsa/ns3/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/eddsa/ns3/sign.sh b/bin/tests/system/eddsa/ns3/sign.sh
new file mode 100644
index 0000000..e501923
--- /dev/null
+++ b/bin/tests/system/eddsa/ns3/sign.sh
@@ -0,0 +1,37 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../../conf.sh
+
+zone=example.com.
+infile=example.com.db.in
+zonefile=example.com.db
+starttime=20150729220000
+endtime=20150819220000
+
+echo_i "ns3/sign.sh"
+
+cp $infile $zonefile
+
+if [ -f ../ed448-supported.file ]; then
+	for i in Xexample.com.+016+09713 Xexample.com.+016+38353
+	do
+		cp "$i.key" "$(echo $i.key | sed s/X/K/)"
+		cp "$i.private" "$(echo $i.private | sed s/X/K/)"
+		cat "$(echo $i.key | sed s/X/K/)" >> "$zonefile"
+	done
+fi
+
+$SIGNER -P -z -s "$starttime" -e "$endtime" -o "$zone" "$zonefile" > /dev/null 2> signer.err || cat signer.err
diff --git a/bin/tests/system/eddsa/prereq.sh b/bin/tests/system/eddsa/prereq.sh
new file mode 100644
index 0000000..5b1385b
--- /dev/null
+++ b/bin/tests/system/eddsa/prereq.sh
@@ -0,0 +1,26 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+supported=0
+if $SHELL ../testcrypto.sh ed25519; then
+	supported=1
+fi
+if $SHELL ../testcrypto.sh ed448; then
+	supported=1
+fi
+
+[ "$supported" -eq 1 ] || exit 1
diff --git a/bin/tests/system/eddsa/setup.sh b/bin/tests/system/eddsa/setup.sh
new file mode 100644
index 0000000..a0d95a9
--- /dev/null
+++ b/bin/tests/system/eddsa/setup.sh
@@ -0,0 +1,41 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+if $SHELL ../testcrypto.sh ed25519; then
+	echo "yes" > ed25519-supported.file
+fi
+
+if $SHELL ../testcrypto.sh ed448; then
+	echo "yes" > ed448-supported.file
+fi
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+
+(
+	cd ns1
+	$SHELL sign.sh
+)
+(
+	cd ns2
+	$SHELL sign.sh
+)
+(
+	cd ns3
+	$SHELL sign.sh
+)
diff --git a/bin/tests/system/eddsa/tests.sh b/bin/tests/system/eddsa/tests.sh
new file mode 100644
index 0000000..4fe0a0c
--- /dev/null
+++ b/bin/tests/system/eddsa/tests.sh
@@ -0,0 +1,87 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+dig_with_opts() {
+    "$DIG" +tcp +noau +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" "$@"
+}
+
+if [ -f ed25519-supported.file ]; then
+	# Check the example. domain
+	n=$((n+1))
+	echo_i "checking that Ed25519 positive validation works ($n)"
+	ret=0
+	dig_with_opts . @10.53.0.1 soa > dig.out.ns1.test$n || ret=1
+	dig_with_opts . @10.53.0.2 soa > dig.out.ns2.test$n || ret=1
+	$PERL ../digcomp.pl dig.out.ns1.test$n dig.out.ns2.test$n || ret=1
+	grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+
+	# Check test vectors (RFC 8080 + errata)
+	n=$((n+1))
+	echo_i "checking that Ed25519 test vectors match ($n)"
+	ret=0
+	grep 'oL9krJun7xfBOIWcGHi7mag5/hdZrKWw15jP' ns2/example.com.db.signed > /dev/null || ret=1
+	grep 'VrbpMngwcrqNAg==' ns2/example.com.db.signed > /dev/null || ret=1
+	grep 'zXQ0bkYgQTEFyfLyi9QoiY6D8ZdYo4wyUhVi' ns2/example.com.db.signed > /dev/null || ret=1
+	grep 'R0O7KuI5k2pcBg==' ns2/example.com.db.signed > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+else
+	echo_i "algorithm Ed25519 not supported, skipping vectors match test"
+fi
+
+n=$((n+1))
+ret=0
+if [ -f ed448-supported.file ]; then
+	# Check the example. domain
+	n=$((n+1))
+	echo_i "checking that Ed448 positive validation works ($n)"
+	ret=0
+	dig_with_opts . @10.53.0.1 soa > dig.out.ns1.test$n || ret=1
+	dig_with_opts . @10.53.0.3 soa > dig.out.ns3.test$n || ret=1
+	$PERL ../digcomp.pl dig.out.ns1.test$n dig.out.ns3.test$n || ret=1
+	grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+
+	# Check test vectors (RFC 8080 + errata)
+	n=$((n+1))
+	echo_i "checking that Ed448 test vectors match ($n)"
+	ret=0
+	grep '3cPAHkmlnxcDHMyg7vFC34l0blBhuG1qpwLm' ns3/example.com.db.signed > /dev/null || ret=1
+	grep 'jInI8w1CMB29FkEAIJUA0amxWndkmnBZ6SKi' ns3/example.com.db.signed > /dev/null || ret=1
+	grep 'wZSAxGILn/NBtOXft0+Gj7FSvOKxE/07+4RQ' ns3/example.com.db.signed > /dev/null || ret=1
+	grep 'vE581N3Aj/JtIyaiYVdnYtyMWbSNyGEY2213' ns3/example.com.db.signed > /dev/null || ret=1
+	grep 'WKsJlwEA' ns3/example.com.db.signed > /dev/null || ret=1
+
+	grep 'E1/oLjSGIbmLny/4fcgM1z4oL6aqo+izT3ur' ns3/example.com.db.signed > /dev/null || ret=1
+	grep 'CyHyvEp4Sp8Syg1eI+lJ57CSnZqjJP41O/9l' ns3/example.com.db.signed > /dev/null || ret=1
+	grep '4m0AsQ4f7qI1gVnML8vWWiyW2KXhT9kuAICU' ns3/example.com.db.signed > /dev/null || ret=1
+	grep 'Sxv5OWbf81Rq7Yu60npabODB0QFPb/rkW3kU' ns3/example.com.db.signed > /dev/null || ret=1
+	grep 'ZmQ0YQUA' ns3/example.com.db.signed > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+else
+	echo_i "algorithm Ed448 not supported, skipping vectors match test"
+fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/eddsa/tests_sh_eddsa.py b/bin/tests/system/eddsa/tests_sh_eddsa.py
new file mode 100644
index 0000000..6646e36
--- /dev/null
+++ b/bin/tests/system/eddsa/tests_sh_eddsa.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_eddsa(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/ednscompliance/clean.sh b/bin/tests/system/ednscompliance/clean.sh
new file mode 100644
index 0000000..ad6176a
--- /dev/null
+++ b/bin/tests/system/ednscompliance/clean.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out*
+rm -f ns*/named.lock
+rm -f ns*/named.conf
+rm -f ns*/named.run
+rm -f ns*/named.memstats
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/ednscompliance/ns1/named.conf.in b/bin/tests/system/ednscompliance/ns1/named.conf.in
new file mode 100644
index 0000000..1334c85
--- /dev/null
+++ b/bin/tests/system/ednscompliance/ns1/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/ednscompliance/ns1/root.db b/bin/tests/system/ednscompliance/ns1/root.db
new file mode 100644
index 0000000..f9bfbe9
--- /dev/null
+++ b/bin/tests/system/ednscompliance/ns1/root.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	marka.isc.org. a.root.servers.nil. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.6
diff --git a/bin/tests/system/ednscompliance/setup.sh b/bin/tests/system/ednscompliance/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/ednscompliance/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/ednscompliance/tests.sh b/bin/tests/system/ednscompliance/tests.sh
new file mode 100644
index 0000000..0c630f4
--- /dev/null
+++ b/bin/tests/system/ednscompliance/tests.sh
@@ -0,0 +1,114 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+norec -p ${PORT}"
+
+status=0
+n=0
+zone=.
+
+n=$((n + 1))
+echo_i "check +edns=100 sets version 100 ($n)"
+ret=0 reason=
+$DIG $DIGOPTS  @10.53.0.1 +qr +edns=100 soa $zone > dig.out$n || ret=1
+grep "EDNS: version: 100," dig.out$n > /dev/null || { ret=1; reason="version"; }
+if [ $ret != 0 ]; then echo_i "failed $reason"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+ret=0 reason=
+echo_i "check +ednsopt=100 adds option 100 ($n)"
+$DIG $DIGOPTS  @10.53.0.1 +qr +ednsopt=100 soa $zone > dig.out$n || ret=1
+grep "; OPT=100" dig.out$n > /dev/null || { ret=1; reason="option"; }
+if [ $ret != 0 ]; then echo_i "failed $reason"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check +ednsflags=0x80 sets flags to 0x0080 ($n)"
+ret=0 reason=
+$DIG $DIGOPTS  @10.53.0.1 +qr +ednsflags=0x80 soa $zone > dig.out$n || ret=1
+grep "MBZ: 0x0080," dig.out$n > /dev/null || { ret=1; reason="flags"; }
+if [ $ret != 0 ]; then echo_i "failed $reason"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "Unknown EDNS version ($n)"
+ret=0 reason=
+$DIG $DIGOPTS  @10.53.0.1 +edns=100 +noednsnegotiation soa $zone > dig.out$n || ret=1
+grep "status: BADVERS," dig.out$n > /dev/null || { ret=1; reason="status"; }
+grep "EDNS: version: 0," dig.out$n > /dev/null || { ret=1; reason="version"; }
+grep "IN.SOA." dig.out$n > /dev/null && { ret=1; reason="soa"; }
+if [ $ret != 0 ]; then echo_i "failed $reason"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "Unknown EDNS option ($n)"
+ret=0 reason=
+$DIG $DIGOPTS  @10.53.0.1 +ednsopt=100 soa $zone > dig.out$n || ret=1
+grep "status: NOERROR," dig.out$n > /dev/null || { ret=1; reason="status"; }
+grep "EDNS: version: 0," dig.out$n > /dev/null || { ret=1; reason="version"; }
+grep "; OPT=100" dig.out$n > /dev/null && { ret=1; reason="option"; }
+grep "IN.SOA." dig.out$n > /dev/null || { ret=1; reason="nosoa"; }
+if [ $ret != 0 ]; then echo_i "failed $reason"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "Unknown EDNS version + option ($n)"
+ret=0 reason=
+$DIG $DIGOPTS  @10.53.0.1 +edns=100 +noednsneg +ednsopt=100 soa $zone > dig.out$n || ret=1
+grep "status: BADVERS," dig.out$n > /dev/null || { ret=1; reason="status"; }
+grep "EDNS: version: 0," dig.out$n > /dev/null || { ret=1; reason="version"; }
+grep "; OPT=100" dig.out$n > /dev/null && { ret=1; reason="option"; }
+grep "IN.SOA." dig.out$n > /dev/null &&  { ret=1; reason="soa"; }
+if [ $ret != 0 ]; then echo_i "failed: $reason"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "Unknown EDNS flag ($n)"
+ret=0 reason=
+$DIG $DIGOPTS  @10.53.0.1 +ednsflags=0x80 soa $zone > dig.out$n || ret=1
+grep "status: NOERROR," dig.out$n > /dev/null || { ret=1; reason="status"; }
+grep "EDNS: version: 0," dig.out$n > /dev/null || { ret=1; reason="version"; }
+grep "EDNS:.*MBZ" dig.out$n > /dev/null > /dev/null && { ret=1; reason="mbz"; }
+grep ".IN.SOA." dig.out$n > /dev/null || { ret=1; reason="nosoa"; }
+if [ $ret != 0 ]; then echo_i "failed $reason"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "Unknown EDNS version + flag ($n)"
+ret=0 reason=
+$DIG $DIGOPTS  @10.53.0.1 +edns=100 +noednsneg +ednsflags=0x80 soa $zone > dig.out$n || ret=1
+grep "status: BADVERS," dig.out$n > /dev/null || { ret=1; reason="status"; }
+grep "EDNS: version: 0," dig.out$n > /dev/null || { ret=1; reason="version"; }
+grep "EDNS:.*MBZ" dig.out$n > /dev/null > /dev/null && { ret=1; reason="mbz"; }
+grep "IN.SOA." dig.out$n > /dev/null && { ret=1; reason="soa"; }
+if [ $ret != 0 ]; then echo_i "failed $reason"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "DiG's EDNS negotiation ($n)"
+ret=0 reason=
+$DIG $DIGOPTS  @10.53.0.1 +edns=100 soa $zone > dig.out$n || ret=1
+grep "status: NOERROR," dig.out$n > /dev/null || { ret=1; reason="status"; }
+grep "EDNS: version: 0," dig.out$n > /dev/null || { ret=1; reason="version"; }
+grep "IN.SOA." dig.out$n > /dev/null || { ret=1; reason="soa"; }
+if [ $ret != 0 ]; then echo_i "failed $reason"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/ednscompliance/tests_sh_ednscompliance.py b/bin/tests/system/ednscompliance/tests_sh_ednscompliance.py
new file mode 100644
index 0000000..8eea611
--- /dev/null
+++ b/bin/tests/system/ednscompliance/tests_sh_ednscompliance.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_ednscompliance(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/emptyzones/clean.sh b/bin/tests/system/emptyzones/clean.sh
new file mode 100644
index 0000000..c7ff161
--- /dev/null
+++ b/bin/tests/system/emptyzones/clean.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns1/named.conf
+rm -f ns*/named.lock
+rm -f ns*/named.run
+rm -f ns*/named.memstats
+rm -f dig.out.test*
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/emptyzones/ns1/empty.db b/bin/tests/system/emptyzones/ns1/empty.db
new file mode 100644
index 0000000..70dbcaf
--- /dev/null
+++ b/bin/tests/system/emptyzones/ns1/empty.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0 SOA . . 0 0 0 0 0
+@ 0 NS .
diff --git a/bin/tests/system/emptyzones/ns1/named1.conf.in b/bin/tests/system/emptyzones/ns1/named1.conf.in
new file mode 100644
index 0000000..4aad843
--- /dev/null
+++ b/bin/tests/system/emptyzones/ns1/named1.conf.in
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	algorithm       @DEFAULT_HMAC@;
+	secret          "1234abcd8765";
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	deny-answer-addresses { 192.0.2.0/24; 2001:db8:beef::/48; }
+		 except-from { "example.org"; };
+	deny-answer-aliases { "example.org"; }
+		except-from { "goodcname.example.net";
+			      "gooddname.example.net"; };
+	allow-query {!10.53.0.8; any; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
+
+include "rfc1918.zones";
diff --git a/bin/tests/system/emptyzones/ns1/named2.conf.in b/bin/tests/system/emptyzones/ns1/named2.conf.in
new file mode 100644
index 0000000..89fe2b4
--- /dev/null
+++ b/bin/tests/system/emptyzones/ns1/named2.conf.in
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	algorithm       @DEFAULT_HMAC@;
+	secret          "1234abcd8765";
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	deny-answer-addresses { 192.0.2.0/24; 2001:db8:beef::/48; }
+		 except-from { "example.org"; };
+	deny-answer-aliases { "example.org"; }
+		except-from { "goodcname.example.net";
+			      "gooddname.example.net"; };
+	allow-query {!10.53.0.8; any; };
+	allow-transfer { none; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
+
+zone "1.10.in-addr.arpa" {
+	type primary; file "empty.db";
+};
diff --git a/bin/tests/system/emptyzones/ns1/rfc1918.zones b/bin/tests/system/emptyzones/ns1/rfc1918.zones
new file mode 100644
index 0000000..07858f9
--- /dev/null
+++ b/bin/tests/system/emptyzones/ns1/rfc1918.zones
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "10.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "16.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "17.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "18.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "19.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "20.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "21.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "22.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "23.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "24.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "25.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "26.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "27.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "28.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "29.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "30.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "31.172.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+zone "168.192.IN-ADDR.ARPA" { type primary; file "empty.db"; };
+
diff --git a/bin/tests/system/emptyzones/ns1/root.hint b/bin/tests/system/emptyzones/ns1/root.hint
new file mode 100644
index 0000000..993227d
--- /dev/null
+++ b/bin/tests/system/emptyzones/ns1/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.2
diff --git a/bin/tests/system/emptyzones/setup.sh b/bin/tests/system/emptyzones/setup.sh
new file mode 100644
index 0000000..935067f
--- /dev/null
+++ b/bin/tests/system/emptyzones/setup.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+copy_setports ns1/named1.conf.in ns1/named.conf
diff --git a/bin/tests/system/emptyzones/tests.sh b/bin/tests/system/emptyzones/tests.sh
new file mode 100644
index 0000000..c968d51
--- /dev/null
+++ b/bin/tests/system/emptyzones/tests.sh
@@ -0,0 +1,46 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+status=0
+n=0
+
+n=$((n + 1))
+echo_i "check that switching to automatic empty zones works ($n)"
+ret=0
+rndc_reload ns1 10.53.0.1
+
+copy_setports ns1/named2.conf.in ns1/named.conf
+$RNDCCMD 10.53.0.1 reload > /dev/null || ret=1
+sleep 5
+
+$DIG $DIGOPTS +vc version.bind txt ch @10.53.0.1 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that allow-transfer { none; } works ($n)"
+ret=0
+$DIG $DIGOPTS axfr 10.in-addr.arpa @10.53.0.1 +all > dig.out.test$n || ret=1
+grep "status: REFUSED" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/emptyzones/tests_sh_emptyzones.py b/bin/tests/system/emptyzones/tests_sh_emptyzones.py
new file mode 100644
index 0000000..66dc9dc
--- /dev/null
+++ b/bin/tests/system/emptyzones/tests_sh_emptyzones.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_emptyzones(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/enginepkcs11/2037-pk11_numbits-crash-test.pkt b/bin/tests/system/enginepkcs11/2037-pk11_numbits-crash-test.pkt
new file mode 100644
index 0000000..b9c5a32
--- /dev/null
+++ b/bin/tests/system/enginepkcs11/2037-pk11_numbits-crash-test.pkt
@@ -0,0 +1,30 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+edda 2800 0001 0000 0001 0000 0972 7361
+7368 6132 3536 0765 7861 6d70 6c65 0000
+0600 01c0 0c00 3000 0100 0001 2c01 0801
+0003 0803 0100 0100 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 0000 0000 0000 0000 0000
+0000 0000 0000 00
diff --git a/bin/tests/system/enginepkcs11/clean.sh b/bin/tests/system/enginepkcs11/clean.sh
new file mode 100644
index 0000000..789666e
--- /dev/null
+++ b/bin/tests/system/enginepkcs11/clean.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+rm -f dig.out.*
+rm -f dsset-*
+rm -f pin
+rm -f keyfromlabel.err.* keyfromlabel.out.*
+rm -f pkcs11-tool.err.* pkcs11-tool.out.*
+rm -f signer.out.*
+rm -f ns1/*.example.db ns1/*.example.db.signed
+rm -f ns1/*.kskid1 ns1/*.kskid2 ns1/*.zskid1 ns1/*.zskid2
+rm -f ns1/dig.out.*
+rm -f ns1/K*
+rm -f ns1/named.conf ns1/named.run ns1/named.memstats
+rm -f ns1/update.cmd.*
+rm -f ns1/update.log.*
+rm -f ns1/verify.out.*
+rm -f ns1/zone.*.signed.jnl ns1/zone.*.signed.jbk
+
+softhsm2-util --delete-token --token "softhsm2-enginepkcs11" >/dev/null 2>&1 || echo_i "softhsm2-enginepkcs11 token not found for cleaning"
diff --git a/bin/tests/system/enginepkcs11/ns1/named.args b/bin/tests/system/enginepkcs11/ns1/named.args
new file mode 100644
index 0000000..0568fa9
--- /dev/null
+++ b/bin/tests/system/enginepkcs11/ns1/named.args
@@ -0,0 +1 @@
+-E pkcs11 -D enginepkcs11-ns1 -X named.lock -m record -c named.conf -d 99 -U 4 -T maxcachesize=2097152
diff --git a/bin/tests/system/enginepkcs11/ns1/named.conf.in b/bin/tests/system/enginepkcs11/ns1/named.conf.in
new file mode 100644
index 0000000..985974d
--- /dev/null
+++ b/bin/tests/system/enginepkcs11/ns1/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
diff --git a/bin/tests/system/enginepkcs11/ns1/template.db.in b/bin/tests/system/enginepkcs11/ns1/template.db.in
new file mode 100644
index 0000000..7941903
--- /dev/null
+++ b/bin/tests/system/enginepkcs11/ns1/template.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0. If a copy of the MPL was not distributed with this
+; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+
+txt			TXT	"test"
+
diff --git a/bin/tests/system/enginepkcs11/prereq.sh b/bin/tests/system/enginepkcs11/prereq.sh
new file mode 100644
index 0000000..296452b
--- /dev/null
+++ b/bin/tests/system/enginepkcs11/prereq.sh
@@ -0,0 +1,21 @@
+#!/bin/sh -e
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+if [ -n "${SOFTHSM2_MODULE}" ] && command -v softhsm2-util >/dev/null; then
+	exit 0
+fi
+
+echo_i "skip: softhsm2-util not available"
+exit 255
diff --git a/bin/tests/system/enginepkcs11/setup.sh b/bin/tests/system/enginepkcs11/setup.sh
new file mode 100644
index 0000000..49988ad
--- /dev/null
+++ b/bin/tests/system/enginepkcs11/setup.sh
@@ -0,0 +1,125 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+softhsm2-util --init-token --free --pin 1234 --so-pin 1234 --label "softhsm2-enginepkcs11" | awk '/^The token has been initialized and is reassigned to slot/ { print $NF }'
+
+printf '%s' "${HSMPIN:-1234}" > pin
+PWD=$(pwd)
+
+copy_setports ns1/named.conf.in ns1/named.conf
+
+keygen() {
+	type="$1"
+	bits="$2"
+	zone="$3"
+	id="$4"
+
+	label="${id}-${zone}"
+	p11id=$(echo "${label}" | openssl sha1 -r | awk '{print $1}')
+	pkcs11-tool --module $SOFTHSM2_MODULE --token-label "softhsm2-enginepkcs11" -l -k --key-type $type:$bits --label "${label}" --id "${p11id}" --pin $(cat $PWD/pin) > pkcs11-tool.out.$zone.$id 2> pkcs11-tool.err.$zone.$id || return 1
+}
+
+keyfromlabel() {
+        alg="$1"
+        zone="$2"
+        id="$3"
+	dir="$4"
+        shift 4
+
+	$KEYFRLAB -K $dir -E pkcs11 -a $alg -l "token=softhsm2-enginepkcs11;object=${id}-${zone};pin-source=$PWD/pin" "$@" $zone >> keyfromlabel.out.$zone.$id 2> keyfromlabel.err.$zone.$id || return 1
+	cat keyfromlabel.out.$zone.$id
+}
+
+
+# Setup ns1.
+dir="ns1"
+infile="${dir}/template.db.in"
+for algtypebits in rsasha256:rsa:2048 rsasha512:rsa:2048 \
+		   ecdsap256sha256:EC:prime256v1 ecdsap384sha384:EC:prime384v1
+		   # Edwards curves are not yet supported by OpenSC
+		   # ed25519:EC:edwards25519 ed448:EC:edwards448
+do
+	alg=$(echo "$algtypebits" | cut -f 1 -d :)
+	type=$(echo "$algtypebits" | cut -f 2 -d :)
+	bits=$(echo "$algtypebits" | cut -f 3 -d :)
+
+	if $SHELL ../testcrypto.sh $alg; then
+		zone="$alg.example"
+		zonefile="zone.$alg.example.db"
+		ret=0
+
+		echo_i "Generate keys $alg $type:$bits for zone $zone"
+		keygen $type $bits $zone enginepkcs11-zsk || ret=1
+		keygen $type $bits $zone enginepkcs11-ksk || ret=1
+		test "$ret" -eq 0 || exit 1
+
+		echo_i "Get ZSK $alg $zone $type:$bits"
+		zsk1=$(keyfromlabel $alg $zone enginepkcs11-zsk $dir)
+		test -z "$zsk1" && exit 1
+
+		echo_i "Get KSK $alg $zone $type:$bits"
+		ksk1=$(keyfromlabel $alg $zone enginepkcs11-ksk $dir -f KSK)
+		test -z "$ksk1" && exit 1
+
+		(
+			cd $dir
+			zskid1=$(keyfile_to_key_id $zsk1)
+			kskid1=$(keyfile_to_key_id $ksk1)
+			echo "$zskid1" > $zone.zskid1
+			echo "$kskid1" > $zone.kskid1
+		)
+
+		echo_i "Sign zone with $ksk1 $zsk1"
+		cat "$infile" "${dir}/${ksk1}.key" "${dir}/${zsk1}.key" > "${dir}/${zonefile}"
+		$SIGNER -K $dir -E pkcs11 -S -a -g -O full -o "$zone" "${dir}/${zonefile}" > signer.out.$zone || ret=1
+		test "$ret" -eq 0 || exit 1
+
+		echo_i "Generate successor keys $alg $type:$bits for zone $zone"
+		keygen $type $bits $zone enginepkcs11-zsk2 || ret=1
+		keygen $type $bits $zone enginepkcs11-ksk2 || ret=1
+		test "$ret" -eq 0 || exit 1
+
+		echo_i "Get ZSK $alg $id-$zone $type:$bits"
+		zsk2=$(keyfromlabel $alg $zone enginepkcs11-zsk2 $dir)
+		test -z "$zsk2" && exit 1
+
+		echo_i "Get KSK $alg $id-$zone $type:$bits"
+		ksk2=$(keyfromlabel $alg $zone enginepkcs11-ksk2 $dir -f KSK)
+		test -z "$ksk2" && exit 1
+
+		(
+			cd $dir
+			zskid2=$(keyfile_to_key_id $zsk2)
+			kskid2=$(keyfile_to_key_id $ksk2)
+			echo "$zskid2" > $zone.zskid2
+			echo "$kskid2" > $zone.kskid2
+			cp "${zsk2}.key" "${zsk2}.zsk2"
+			cp "${ksk2}.key" "${ksk2}.ksk2"
+		)
+
+		echo_i "Add zone $zone to named.conf"
+		cat >> "${dir}/named.conf" <<EOF
+zone "$zone" {
+	type primary;
+	file "${zonefile}.signed";
+	allow-update { any; };
+};
+
+EOF
+        fi
+done
diff --git a/bin/tests/system/enginepkcs11/tests.sh b/bin/tests/system/enginepkcs11/tests.sh
new file mode 100644
index 0000000..f8f0317
--- /dev/null
+++ b/bin/tests/system/enginepkcs11/tests.sh
@@ -0,0 +1,176 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+PWD=$(pwd)
+
+status=0
+ret=0
+n=0
+
+dig_with_opts() (
+	$DIG +tcp +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" "$@"
+)
+
+# Perform tests inside ns1 dir
+cd ns1
+
+for algtypebits in rsasha256:rsa:2048 rsasha512:rsa:2048 \
+		   ecdsap256sha256:EC:prime256v1 ecdsap384sha384:EC:prime384v1
+		   # Edwards curves are not yet supported by OpenSC
+		   # ed25519:EC:edwards25519 ed448:EC:edwards448
+do
+	alg=$(echo "$algtypebits" | cut -f 1 -d :)
+	type=$(echo "$algtypebits" | cut -f 2 -d :)
+	bits=$(echo "$algtypebits" | cut -f 3 -d :)
+	zone="${alg}.example"
+	zonefile="zone.${zone}.db.signed"
+
+        if [ ! -f $zonefile ]; then
+		echo_i "skipping test for ${alg}:${type}:${bits}, no signed zone file ${zonefile}"
+		continue
+	fi
+
+	# Basic checks if setup was successful.
+	n=$((n+1))
+	ret=0
+	echo_i "Test key generation was successful for $zone ($n)"
+	count=$(ls K*.key | grep "K${zone}" | wc -l)
+	test "$count" -eq 4 || ret=1
+	test "$ret" -eq 0 || echo_i "failed (expected 4 keys, got $count)"
+	status=$((status+ret))
+
+	n=$((n+1))
+	ret=0
+	echo_i "Test zone signing was successful for $zone ($n)"
+	$VERIFY -z -o $zone "${zonefile}" > verify.out.$zone.$n 2>&1 || ret=1
+	test "$ret" -eq 0 || echo_i "failed (dnssec-verify failed)"
+	status=$((status+ret))
+
+	# Test inline signing with keys stored in engine.
+	zskid1=$(cat "${zone}.zskid1")
+	zskid2=$(cat "${zone}.zskid2")
+
+	n=$((n+1))
+	ret=0
+	echo_i "Test inline signing for $zone ($n)"
+	dig_with_opts "$zone" @10.53.0.1 SOA > dig.out.soa.$zone.$n || ret=1
+	awk '$4 == "RRSIG" { print $11 }' dig.out.soa.$zone.$n > dig.out.keyids.$zone.$n || return 1
+	numsigs=$(cat dig.out.keyids.$zone.$n | wc -l)
+	test $numsigs -eq 1 || return 1
+	grep -w "$zskid1" dig.out.keyids.$zone.$n > /dev/null || return 1
+	test "$ret" -eq 0 || echo_i "failed (SOA RRset not signed with key $zskid1)"
+	status=$((status+ret))
+
+
+	n=$((n+1))
+	ret=0
+	echo_i "Dynamically update $zone, add new zsk ($n)"
+	zsk2=$(grep -v ';' K${zone}.*.zsk2)
+	cat > "update.cmd.zsk.$zone.$n" <<EOF
+server 10.53.0.1 $PORT
+ttl 300
+zone $zone
+update add $zsk2
+send
+EOF
+
+	$NSUPDATE -v > "update.log.zsk.$zone.$n" < "update.cmd.zsk.$zone.$n" || ret=1
+	test "$ret" -eq 0 || echo_i "failed (update failed)"
+	status=$((status+ret))
+
+	n=$((n+1))
+	ret=0
+	echo_i "Test DNSKEY response for $zone after inline signing ($n)"
+	_dig_dnskey() (
+		dig_with_opts "$zone" @10.53.0.1 DNSKEY > dig.out.dnskey.$zone.$n || return 1
+		count=$(awk 'BEGIN { count = 0 } $4 == "DNSKEY" { count++ } END {print count}' dig.out.dnskey.$zone.$n)
+		test $count -eq 3
+	)
+	retry_quiet 10 _dig_dnskey || ret=1
+	test "$ret" -eq 0 || echo_i "failed (expected 3 DNSKEY records)"
+	status=$((status+ret))
+
+	n=$((n+1))
+	ret=0
+	echo_i "Test SOA response for $zone after inline signing ($n)"
+	_dig_soa() (
+		dig_with_opts "$zone" @10.53.0.1 SOA > dig.out.soa.$zone.$n || return 1
+		awk '$4 == "RRSIG" { print $11 }' dig.out.soa.$zone.$n > dig.out.keyids.$zone.$n || return 1
+		numsigs=$(cat dig.out.keyids.$zone.$n | wc -l)
+		test $numsigs -eq 2 || return 1
+		grep -w "$zskid1" dig.out.keyids.$zone.$n > /dev/null || return 1
+		grep -w "$zskid2" dig.out.keyids.$zone.$n > /dev/null || return 1
+		return 0
+	)
+	retry_quiet 10 _dig_soa || ret=1
+	test "$ret" -eq 0 || echo_i "failed (expected 2 SOA RRSIG records)"
+	status=$((status+ret))
+
+	# Test inline signing with keys stored in engine (key signing).
+	kskid1=$(cat "${zone}.kskid1")
+	kskid2=$(cat "${zone}.kskid2")
+
+	n=$((n+1))
+	ret=0
+	echo_i "Dynamically update $zone, add new ksk ($n)"
+	ksk2=$(grep -v ';' K${zone}.*.ksk2)
+	cat > "update.cmd.ksk.$zone.$n" <<EOF
+server 10.53.0.1 $PORT
+ttl 300
+zone $zone
+update add $ksk2
+send
+EOF
+
+	$NSUPDATE -v > "update.log.ksk.$zone.$n" < "update.cmd.ksk.$zone.$n" || ret=1
+	test "$ret" -eq 0 || echo_i "failed (update failed)"
+	status=$((status+ret))
+
+	n=$((n+1))
+	ret=0
+	echo_i "Test DNSKEY response for $zone after inline signing (key signing) ($n)"
+	_dig_dnskey_ksk() (
+		dig_with_opts "$zone" @10.53.0.1 DNSKEY > dig.out.dnskey.$zone.$n || return 1
+		count=$(awk 'BEGIN { count = 0 } $4 == "DNSKEY" { count++ } END {print count}' dig.out.dnskey.$zone.$n)
+		test $count -eq 4 || return 1
+		awk '$4 == "RRSIG" { print $11 }' dig.out.dnskey.$zone.$n > dig.out.keyids.$zone.$n || return 1
+		numsigs=$(cat dig.out.keyids.$zone.$n | wc -l)
+		test $numsigs -eq 2 || return 1
+		grep -w "$kskid1" dig.out.keyids.$zone.$n > /dev/null || return 1
+		grep -w "$kskid2" dig.out.keyids.$zone.$n > /dev/null || return 1
+		return 0
+	)
+	retry_quiet 10 _dig_dnskey_ksk || ret=1
+	test "$ret" -eq 0 || echo_i "failed (expected 4 DNSKEY records, 2 KSK signatures)"
+	status=$((status+ret))
+
+done
+
+# Go back to main test dir.
+cd ..
+
+n=$((n+1))
+ret=0
+echo_i "Checking for assertion failure in pk11_numbits()"
+$PERL ../packet.pl -a "10.53.0.1" -p "$PORT" -t udp 2037-pk11_numbits-crash-test.pkt
+dig_with_opts @10.53.0.1 version.bind. CH TXT > dig.out.pk11_numbits || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/enginepkcs11/tests_sh_enginepkcs11.py b/bin/tests/system/enginepkcs11/tests_sh_enginepkcs11.py
new file mode 100644
index 0000000..334142d
--- /dev/null
+++ b/bin/tests/system/enginepkcs11/tests_sh_enginepkcs11.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_enginepkcs11(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/feature-test.c b/bin/tests/system/feature-test.c
new file mode 100644
index 0000000..e6b1eb1
--- /dev/null
+++ b/bin/tests/system/feature-test.c
@@ -0,0 +1,224 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <isc/md.h>
+#include <isc/net.h>
+#include <isc/print.h>
+#include <isc/util.h>
+
+#include <dns/edns.h>
+
+static void
+usage(void) {
+	fprintf(stderr, "usage: feature-test <arg>\n");
+	fprintf(stderr, "args:\n");
+	fprintf(stderr, "\t--edns-version\n");
+	fprintf(stderr, "\t--enable-dnsrps\n");
+	fprintf(stderr, "\t--enable-dnstap\n");
+	fprintf(stderr, "\t--enable-querytrace\n");
+	fprintf(stderr, "\t--gethostname\n");
+	fprintf(stderr, "\t--gssapi\n");
+	fprintf(stderr, "\t--have-geoip2\n");
+	fprintf(stderr, "\t--have-json-c\n");
+	fprintf(stderr, "\t--have-libxml2\n");
+	fprintf(stderr, "\t--ipv6only=no\n");
+	fprintf(stderr, "\t--md5\n");
+	fprintf(stderr, "\t--tsan\n");
+	fprintf(stderr, "\t--with-dlz-filesystem\n");
+	fprintf(stderr, "\t--with-libidn2\n");
+	fprintf(stderr, "\t--with-lmdb\n");
+	fprintf(stderr, "\t--with-libnghttp2\n");
+	fprintf(stderr, "\t--with-zlib\n");
+}
+
+int
+main(int argc, char **argv) {
+	if (argc != 2) {
+		usage();
+		return (1);
+	}
+
+	if (strcmp(argv[1], "--edns-version") == 0) {
+#ifdef DNS_EDNS_VERSION
+		printf("%d\n", DNS_EDNS_VERSION);
+#else  /* ifdef DNS_EDNS_VERSION */
+		printf("0\n");
+#endif /* ifdef DNS_EDNS_VERSION */
+		return (0);
+	}
+
+	if (strcmp(argv[1], "--enable-dnsrps") == 0) {
+#ifdef USE_DNSRPS
+		return (0);
+#else  /* ifdef USE_DNSRPS */
+		return (1);
+#endif /* ifdef USE_DNSRPS */
+	}
+
+	if (strcmp(argv[1], "--enable-dnstap") == 0) {
+#ifdef HAVE_DNSTAP
+		return (0);
+#else  /* ifdef HAVE_DNSTAP */
+		return (1);
+#endif /* ifdef HAVE_DNSTAP */
+	}
+
+	if (strcmp(argv[1], "--enable-querytrace") == 0) {
+#ifdef WANT_QUERYTRACE
+		return (0);
+#else  /* ifdef WANT_QUERYTRACE */
+		return (1);
+#endif /* ifdef WANT_QUERYTRACE */
+	}
+
+	if (strcmp(argv[1], "--gethostname") == 0) {
+		char hostname[_POSIX_HOST_NAME_MAX + 1];
+		int n;
+
+		n = gethostname(hostname, sizeof(hostname));
+		if (n == -1) {
+			perror("gethostname");
+			return (1);
+		}
+		fprintf(stdout, "%s\n", hostname);
+		return (0);
+	}
+
+	if (strcmp(argv[1], "--gssapi") == 0) {
+#if HAVE_GSSAPI
+		return (0);
+#else  /* HAVE_GSSAPI */
+		return (1);
+#endif /* HAVE_GSSAPI */
+	}
+
+	if (strcmp(argv[1], "--have-geoip2") == 0) {
+#ifdef HAVE_GEOIP2
+		return (0);
+#else  /* ifdef HAVE_GEOIP2 */
+		return (1);
+#endif /* ifdef HAVE_GEOIP2 */
+	}
+
+	if (strcmp(argv[1], "--have-json-c") == 0) {
+#ifdef HAVE_JSON_C
+		return (0);
+#else  /* ifdef HAVE_JSON_C */
+		return (1);
+#endif /* ifdef HAVE_JSON_C */
+	}
+
+	if (strcmp(argv[1], "--have-libxml2") == 0) {
+#ifdef HAVE_LIBXML2
+		return (0);
+#else  /* ifdef HAVE_LIBXML2 */
+		return (1);
+#endif /* ifdef HAVE_LIBXML2 */
+	}
+
+	if (strcmp(argv[1], "--tsan") == 0) {
+#if defined(__has_feature)
+#if __has_feature(thread_sanitizer)
+		return (0);
+#endif
+#endif
+#if __SANITIZE_THREAD__
+		return (0);
+#else
+		return (1);
+#endif
+	}
+
+	if (strcmp(argv[1], "--md5") == 0) {
+		unsigned char digest[ISC_MAX_MD_SIZE];
+		const unsigned char test[] = "test";
+		unsigned int size = sizeof(digest);
+
+		if (isc_md(ISC_MD_MD5, test, sizeof(test), digest, &size) ==
+		    ISC_R_SUCCESS)
+		{
+			return (0);
+		} else {
+			return (1);
+		}
+	}
+
+	if (strcmp(argv[1], "--ipv6only=no") == 0) {
+#if defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY)
+		int s;
+		int n = -1;
+		int v6only = -1;
+		socklen_t len = sizeof(v6only);
+
+		s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
+		if (s >= 0) {
+			n = getsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
+				       (void *)&v6only, &len);
+			close(s);
+		}
+		return ((n == 0 && v6only == 0) ? 0 : 1);
+#else  /* defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY) */
+		return (1);
+#endif /* defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY) */
+	}
+
+	if (strcmp(argv[1], "--with-dlz-filesystem") == 0) {
+#ifdef DLZ_FILESYSTEM
+		return (0);
+#else  /* ifdef DLZ_FILESYSTEM */
+		return (1);
+#endif /* ifdef DLZ_FILESYSTEM */
+	}
+
+	if (strcmp(argv[1], "--with-libidn2") == 0) {
+#ifdef HAVE_LIBIDN2
+		return (0);
+#else  /* ifdef HAVE_LIBIDN2 */
+		return (1);
+#endif /* ifdef HAVE_LIBIDN2 */
+	}
+
+	if (strcmp(argv[1], "--with-lmdb") == 0) {
+#ifdef HAVE_LMDB
+		return (0);
+#else  /* ifdef HAVE_LMDB */
+		return (1);
+#endif /* ifdef HAVE_LMDB */
+	}
+
+	if (strcmp(argv[1], "--with-libnghttp2") == 0) {
+#ifdef HAVE_LIBNGHTTP2
+		return (0);
+#else  /* ifdef HAVE_LIBNGHTTP2 */
+		return (1);
+#endif /* ifdef HAVE_LIBNGHTTP2 */
+	}
+
+	if (strcmp(argv[1], "--with-zlib") == 0) {
+#ifdef HAVE_ZLIB
+		return (0);
+#else  /* ifdef HAVE_ZLIB */
+		return (1);
+#endif /* ifdef HAVE_ZLIB */
+	}
+
+	fprintf(stderr, "unknown arg: %s\n", argv[1]);
+	usage();
+	return (1);
+}
diff --git a/bin/tests/system/fetchlimit/ans4/ans.pl b/bin/tests/system/fetchlimit/ans4/ans.pl
new file mode 100644
index 0000000..f44cf8b
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ans4/ans.pl
@@ -0,0 +1,90 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Don't respond if the "norespond" file exists; otherwise respond to
+# any A or AAAA query.
+#
+
+use IO::File;
+use IO::Socket;
+use Net::DNS;
+use Net::DNS::Packet;
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $sock = IO::Socket::INET->new(LocalAddr => "10.53.0.4",
+   LocalPort => $localport, Proto => "udp") or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+for (;;) {
+	$sock->recv($buf, 512);
+
+	print "**** request from " , $sock->peerhost, " port ", $sock->peerport, "\n";
+
+	my $packet;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$packet = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($packet, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	print "REQUEST:\n";
+	$packet->print;
+
+	$packet->header->qr(1);
+
+	my @questions = $packet->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+
+	my $donotrespond = 0;
+
+	if (-e 'norespond') {
+		$donotrespond = 1;
+	} else {
+		$packet->header->aa(1);
+		if ($qtype eq "A") {
+			$packet->push("answer",
+				      new Net::DNS::RR($qname .
+						       " 300 A 192.0.2.1"));
+		} elsif ($qtype eq "AAAA") {
+			$packet->push("answer",
+				      new Net::DNS::RR($qname .
+						" 300 AAAA 2001:db8:beef::1"));
+		}
+	}
+
+	if ($donotrespond == 0) {
+		if (index($qname, "latency") == 0) {
+			# 50ms latency
+			select(undef, undef, undef, 0.05);
+		}
+		$sock->send($packet->data);
+		print "RESPONSE:\n";
+		$packet->print;
+		print "\n";
+	}
+}
diff --git a/bin/tests/system/fetchlimit/clean.sh b/bin/tests/system/fetchlimit/clean.sh
new file mode 100644
index 0000000..20bbd60
--- /dev/null
+++ b/bin/tests/system/fetchlimit/clean.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */named.conf */named.memstats */ans.run */named.recursing */named.run */named.run.prev
+rm -f ans4/norespond
+rm -f burst.input.*
+rm -f dig.out*
+rm -f wait_for_message.*
+rm -f ns*/managed-keys.bind*
+rm -f ns3/named.stats ns3/named.stats.prev ns3/named_dump.db
+rm -f ns5/named.stats ns5/named.stats.prev
diff --git a/bin/tests/system/fetchlimit/ns1/named.conf.in b/bin/tests/system/fetchlimit/ns1/named.conf.in
new file mode 100644
index 0000000..9725d01
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns1/named.conf.in
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example.info." {
+	type primary;
+	file "example-info.db";
+};
diff --git a/bin/tests/system/fetchlimit/ns1/root.db b/bin/tests/system/fetchlimit/ns1/root.db
new file mode 100644
index 0000000..17780d1
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/fetchlimit/ns2/example.db b/bin/tests/system/fetchlimit/ns2/example.db
new file mode 100644
index 0000000..5bf9999
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns2/example.db
@@ -0,0 +1,37 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				1	   ; serial
+				20	   ; refresh (20 seconds)
+				20	   ; retry (20 seconds)
+				1814400	   ; expire (3 weeks)
+				3600	   ; minimum (1 hour)
+				)
+example		        NS	ns2.example.
+ns2.example.		A	10.53.0.2
+
+a.example.		A	10.0.0.1
+			MX	10 mail.example.
+
+mail.example.		A	10.0.0.2
+
+lamesub.example.        NS	ns4.example.
+ns4.example.	        A	10.53.0.4
+
+0.example.              A       10.53.1.0
+1.example.              A       10.53.1.1
+2.example.              A       10.53.1.2
+3.example.              A       10.53.1.3
+4.example.              A       10.53.1.4
+5.example.              A       10.53.1.5
diff --git a/bin/tests/system/fetchlimit/ns2/named.conf.in b/bin/tests/system/fetchlimit/ns2/named.conf.in
new file mode 100644
index 0000000..1d57632
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns2/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-update { any; };
+};
diff --git a/bin/tests/system/fetchlimit/ns3/named.args b/bin/tests/system/fetchlimit/ns3/named.args
new file mode 100644
index 0000000..d3488ce
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns3/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 1 -D fetchlimit-ns3 -X named.lock -g -T maxcachesize=2097152
diff --git a/bin/tests/system/fetchlimit/ns3/named1.conf.in b/bin/tests/system/fetchlimit/ns3/named1.conf.in
new file mode 100644
index 0000000..e493d8a
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns3/named1.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	fetches-per-server 400;
+};
+
+server 10.53.0.4 {
+	edns no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
diff --git a/bin/tests/system/fetchlimit/ns3/named2.conf.in b/bin/tests/system/fetchlimit/ns3/named2.conf.in
new file mode 100644
index 0000000..2d0dcef
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns3/named2.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	fetches-per-zone 40;
+};
+
+server 10.53.0.4 {
+	edns no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
diff --git a/bin/tests/system/fetchlimit/ns3/named3.conf.in b/bin/tests/system/fetchlimit/ns3/named3.conf.in
new file mode 100644
index 0000000..f056fbb
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns3/named3.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	recursive-clients 400;
+};
+
+server 10.53.0.4 {
+	edns no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
diff --git a/bin/tests/system/fetchlimit/ns3/root.hint b/bin/tests/system/fetchlimit/ns3/root.hint
new file mode 100644
index 0000000..e0f186c
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns3/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.1
diff --git a/bin/tests/system/fetchlimit/ns5/named1.conf.in b/bin/tests/system/fetchlimit/ns5/named1.conf.in
new file mode 100644
index 0000000..d3c62c2
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns5/named1.conf.in
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	clients-per-query 5;
+	max-clients-per-query 10;
+};
+
+server 10.53.0.4 {
+	edns no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
diff --git a/bin/tests/system/fetchlimit/ns5/named2.conf.in b/bin/tests/system/fetchlimit/ns5/named2.conf.in
new file mode 100644
index 0000000..cb33d30
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns5/named2.conf.in
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	stale-answer-enable yes;
+	stale-cache-enable yes;
+	stale-answer-client-timeout 1800;
+	clients-per-query 5;
+	max-clients-per-query 10;
+};
+
+server 10.53.0.4 {
+	edns no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
diff --git a/bin/tests/system/fetchlimit/ns5/root.hint b/bin/tests/system/fetchlimit/ns5/root.hint
new file mode 100644
index 0000000..e0f186c
--- /dev/null
+++ b/bin/tests/system/fetchlimit/ns5/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.1
diff --git a/bin/tests/system/fetchlimit/setup.sh b/bin/tests/system/fetchlimit/setup.sh
new file mode 100644
index 0000000..f98749b
--- /dev/null
+++ b/bin/tests/system/fetchlimit/setup.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named1.conf.in ns3/named.conf
+copy_setports ns5/named1.conf.in ns5/named.conf
diff --git a/bin/tests/system/fetchlimit/tests.sh b/bin/tests/system/fetchlimit/tests.sh
new file mode 100644
index 0000000..a16659d
--- /dev/null
+++ b/bin/tests/system/fetchlimit/tests.sh
@@ -0,0 +1,325 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGCMD="$DIG @10.53.0.3 -p ${PORT} +tcp +tries=1 +time=1"
+
+rndccmd() (
+    "$RNDC" -c ../common/rndc.conf -p "${CONTROLPORT}" -s "$@"
+)
+
+burst() {
+    server=${1}
+    num=${4:-20}
+    rm -f burst.input.$$
+    while [ $num -gt 0 ]; do
+        num=$((num-1))
+        if [ "${5}" = "dup" ]; then
+            # burst with duplicate queries
+            echo "${2}${3}.lamesub.example A" >> burst.input.$$
+        else
+            # burst with unique queries
+            echo "${num}${2}${3}.lamesub.example A" >> burst.input.$$
+        fi
+    done
+    $PERL ../ditch.pl -p ${PORT} -s ${server} burst.input.$$
+    rm -f burst.input.$$
+}
+
+stat() {
+    clients=$(rndccmd ${1} status | grep "recursive clients" |
+            sed 's;.*: \([^/][^/]*\)/.*;\1;')
+    echo_i "clients: $clients"
+    [ "$clients" = "" ] && return 1
+    [ "$clients" -ge $2 ] || return 1
+    [ "$clients" -le $3 ] || return 1
+    return 0
+}
+
+_wait_for_message() (
+	nextpartpeek "$1" > wait_for_message.$n
+	grep -F "$2" wait_for_message.$n >/dev/null
+)
+
+wait_for_message() (
+	retry_quiet 20 _wait_for_message "$@"
+)
+
+n=0
+status=0
+
+n=$((n + 1))
+echo_i "checking recursing clients are dropped at the per-server limit ($n)"
+ret=0
+# make the server lame and restart
+rndccmd 10.53.0.3 flush
+touch ans4/norespond
+for try in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+    burst 10.53.0.3 a $try
+    # fetches-per-server is at 400, but at 20qps against a lame server,
+    # we'll reach 200 at the tenth second, and the quota should have been
+    # tuned to less than that by then.
+    [ $try -le 5 ] && low=$((try*10))
+    stat 10.53.0.3 20 200 || ret=1
+    [ $ret -eq 1 ] && break
+    sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n + 1))
+echo_i "dumping ADB data ($n)"
+ret=0
+rndccmd 10.53.0.3 dumpdb -adb
+info=$(grep '10.53.0.4' ns3/named_dump.db | sed 's/.*\(atr [.0-9]*\).*\(quota [0-9]*\).*/\1 \2/')
+echo_i $info
+set -- $info
+quota=$4
+[ ${4:-200} -lt 200 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n + 1))
+echo_i "checking servfail statistics ($n)"
+ret=0
+rm -f ns3/named.stats
+rndccmd 10.53.0.3 stats
+for try in 1 2 3 4 5; do
+    [ -f ns3/named.stats ] && break
+    sleep 1
+done
+sspill=$(grep 'spilled due to server' ns3/named.stats | sed 's/\([0-9][0-9]*\) spilled.*/\1/')
+[ -z "$sspill" ] && sspill=0
+fails=$(grep 'queries resulted in SERVFAIL' ns3/named.stats | sed 's/\([0-9][0-9]*\) queries.*/\1/')
+[ -z "$fails" ] && fails=0
+[ "$fails" -ge "$sspill" ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n + 1))
+echo_i "checking lame server recovery ($n)"
+ret=0
+test -f ans4/norespond && rm -f ans4/norespond
+for try in 1 2 3 4 5; do
+    burst 10.53.0.3 b $try
+    stat 10.53.0.3 0 200 || ret=1
+    [ $ret -eq 1 ] && break
+    sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n + 1))
+echo_i "dumping ADB data ($n)"
+ret=0
+rndccmd 10.53.0.3 dumpdb -adb
+info=$(grep '10.53.0.4' ns3/named_dump.db | sed 's/.*\(atr [.0-9]*\).*\(quota [0-9]*\).*/\1 \2/')
+echo_i $info
+set -- $info
+[ ${4:-${quota}} -lt $quota ] || ret=1
+quota=$4
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n + 1))
+echo_i "checking lame server recovery (continued) ($n)"
+ret=0
+for try in 1 2 3 4 5 6 7 8 9 10; do
+    burst 10.53.0.3 c $try
+    stat 10.53.0.3 0 20 || ret=1
+    [ $ret -eq 1 ] && break
+    sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n + 1))
+echo_i "dumping ADB data ($n)"
+ret=0
+rndccmd 10.53.0.3 dumpdb -adb
+info=$(grep '10.53.0.4' ns3/named_dump.db | sed 's/.*\(atr [.0-9]*\).*\(quota [0-9]*\).*/\1 \2/')
+echo_i $info
+set -- $info
+[ ${4:-${quota}} -gt $quota ] || ret=1
+quota=$4
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+copy_setports ns3/named2.conf.in ns3/named.conf
+rndc_reconfig ns3 10.53.0.3
+
+n=$((n + 1))
+echo_i "checking lame server clients are dropped at the per-domain limit ($n)"
+ret=0
+fail=0
+success=0
+touch ans4/norespond
+for try in 1 2 3 4 5; do
+    burst 10.53.0.3 b $try 300
+    $DIGCMD a ${try}.example > dig.out.ns3.$n.$try
+    grep "status: NOERROR" dig.out.ns3.$n.$try > /dev/null 2>&1 && \
+            success=$((success+1))
+    grep "status: SERVFAIL" dig.out.ns3.$n.$try > /dev/null 2>&1 && \
+            fail=$(($fail+1))
+    stat 10.53.0.3 30 50 || ret=1
+    [ $ret -eq 1 ] && break
+    rndccmd 10.53.0.3 recursing 2>&1 | sed 's/^/ns3 /' | cat_i
+    sleep 1
+done
+echo_i "$success successful valid queries, $fail SERVFAIL"
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n + 1))
+echo_i "checking drop statistics ($n)"
+ret=0
+rm -f ns3/named.stats
+rndccmd 10.53.0.3 stats
+for try in 1 2 3 4 5; do
+    [ -f ns3/named.stats ] && break
+    sleep 1
+done
+zspill=$(grep 'spilled due to zone' ns3/named.stats | sed 's/\([0-9][0-9]*\) spilled.*/\1/')
+[ -z "$zspill" ] && zspill=0
+drops=$(grep 'queries dropped' ns3/named.stats | sed 's/\([0-9][0-9]*\) queries.*/\1/')
+[ -z "$drops" ] && drops=0
+[ "$drops" -ge "$zspill" ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+copy_setports ns3/named3.conf.in ns3/named.conf
+rndc_reconfig ns3 10.53.0.3
+
+n=$((n + 1))
+echo_i "checking lame server clients are dropped below the hard limit ($n)"
+ret=0
+fail=0
+exceeded=0
+success=0
+touch ans4/norespond
+for try in 1 2 3 4 5; do
+    burst 10.53.0.3 b $try 400
+    $DIGCMD +time=2 a ${try}.example > dig.out.ns3.$n.$try
+    stat 10.53.0.3 1 400 || exceeded=$((exceeded + 1))
+    grep "status: NOERROR" dig.out.ns3.$n.$try > /dev/null 2>&1 && \
+            success=$((success+1))
+    grep "status: SERVFAIL" dig.out.ns3.$n.$try > /dev/null 2>&1 && \
+            fail=$(($fail+1))
+    sleep 1
+done
+echo_i "$success successful valid queries (expected 5)"
+[ "$success" -eq 5 ] || { echo_i "failed"; ret=1; }
+echo_i "$fail SERVFAIL responses (expected 0)"
+[ "$fail" -eq 0 ] || { echo_i "failed"; ret=1; }
+echo_i "clients count exceeded 400 on $exceeded trials (expected 0)"
+[ "$exceeded" -eq 0 ] || { echo_i "failed"; ret=1; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n + 1))
+echo_i "checking drop statistics ($n)"
+ret=0
+rm -f ns3/named.stats
+touch ns3/named.stats
+rndccmd 10.53.0.3 stats
+wait_for_log 5 "queries dropped due to recursive client limit" ns3/named.stats || ret=1
+drops=$(grep 'queries dropped due to recursive client limit' ns3/named.stats | sed 's/\([0-9][0-9]*\) queries.*/\1/')
+[ "${drops:-0}" -ne 0 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns5/named.run >/dev/null
+
+n=$((n + 1))
+echo_i "checking clients are dropped at the clients-per-query limit ($n)"
+ret=0
+test -f ans4/norespond && rm -f ans4/norespond
+for try in 1 2 3 4 5; do
+    burst 10.53.0.5 latency $try 20 "dup"
+    sleep 1
+done
+wait_for_message ns5/named.run "clients-per-query increased to 10" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n + 1))
+echo_i "checking drop statistics ($n)"
+ret=0
+rm -f ns5/named.stats
+rndccmd 10.53.0.5 stats
+for try in 1 2 3 4 5; do
+    [ -f ns5/named.stats ] && break
+    sleep 1
+done
+zspill=$(grep 'spilled due to clients per query' ns5/named.stats | sed 's/ *\([0-9][0-9]*\) spilled.*/\1/')
+[ -z "$zspill" ] && zspill=0
+# ns5 configuration:
+#   clients-per-query 5
+#   max-clients-per-query 10
+# expected spills:
+#   15 (out of 20) spilled for the first burst, and 10 (out of 20) spilled for
+#   the next 4 bursts (because of auto-tuning): 15 + (4 * 10) == 55
+expected=55
+[ "$zspill" -eq "$expected" ] || ret=1
+echo_i "$zspill clients spilled (expected $expected)"
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "stop ns5"
+stop_server --use-rndc --port ${CONTROLPORT} ns5
+copy_setports ns5/named2.conf.in ns5/named.conf
+echo_i "start ns5"
+start_server --noclean --restart --port ${PORT} ns5
+
+nextpart ns5/named.run >/dev/null
+
+n=$((n + 1))
+echo_i "checking clients are dropped at the clients-per-query limit with stale-answer-client-timeout ($n)"
+ret=0
+test -f ans4/norespond && rm -f ans4/norespond
+for try in 1 2 3 4 5; do
+    burst 10.53.0.5 latency $try 20 "dup"
+    sleep 1
+done
+wait_for_message ns5/named.run "clients-per-query increased to 10" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n + 1))
+echo_i "checking drop statistics ($n)"
+ret=0
+rm -f ns5/named.stats
+rndccmd 10.53.0.5 stats
+for try in 1 2 3 4 5; do
+    [ -f ns5/named.stats ] && break
+    sleep 1
+done
+zspill=$(grep 'spilled due to clients per query' ns5/named.stats | sed 's/ *\([0-9][0-9]*\) spilled.*/\1/')
+[ -z "$zspill" ] && zspill=0
+# ns5 configuration:
+#   clients-per-query 5
+#   max-clients-per-query 10
+# expected spills:
+#   15 (out of 20) spilled for the first burst, and 10 (out of 20) spilled for
+#   the next 4 bursts (because of auto-tuning): 15 + (4 * 10) == 55
+expected=55
+[ "$zspill" -eq "$expected" ] || ret=1
+echo_i "$zspill clients spilled (expected $expected)"
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/fetchlimit/tests_sh_fetchlimit.py b/bin/tests/system/fetchlimit/tests_sh_fetchlimit.py
new file mode 100644
index 0000000..6df4441
--- /dev/null
+++ b/bin/tests/system/fetchlimit/tests_sh_fetchlimit.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_fetchlimit(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/filter-aaaa/clean.sh b/bin/tests/system/filter-aaaa/clean.sh
new file mode 100644
index 0000000..b7a2372
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/clean.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns1/K*
+rm -f ns1/*.signed
+rm -f ns1/signer.err
+rm -f ns1/dsset-*
+
+rm -f */named.run
+rm -f */named.conf
+rm -f */named.memstats
+
+rm -f ns4/K*
+rm -f ns4/*.signed
+rm -f ns4/signer.err
+rm -f ns4/dsset-*
+
+rm -f dig.out.*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
+
+rm -f ns*/trusted.conf
+rm -f ns*/keygen.out
diff --git a/bin/tests/system/filter-aaaa/conf/bad1.conf b/bin/tests/system/filter-aaaa/conf/bad1.conf
new file mode 100644
index 0000000..e498c19
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/conf/bad1.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+plugin query "../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v4 yes;
+	filter-aaaa { none; };
+};
diff --git a/bin/tests/system/filter-aaaa/conf/bad2.conf b/bin/tests/system/filter-aaaa/conf/bad2.conf
new file mode 100644
index 0000000..fcb972a
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/conf/bad2.conf
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+plugin query "../../../plugins/.libs/filter-aaaa.so" {
+	/*
+	 * While this matches the defaults, it is not a good configuration
+	 * to have in named.conf as the two options contradict each other
+	 * indicating a error on behalf of the operator.
+	 *
+	 * The default is to have filter-aaaa-on-v4 off, but if it is turned
+	 * on then it applies to all IPv4 queries.  This results in
+	 * contradictory defaults.
+	 */
+	filter-aaaa-on-v4 no;
+	filter-aaaa { any; };
+};
diff --git a/bin/tests/system/filter-aaaa/conf/bad3.conf b/bin/tests/system/filter-aaaa/conf/bad3.conf
new file mode 100644
index 0000000..5f77361
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/conf/bad3.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view myview {
+	plugin query "../../../plugins/.libs/filter-aaaa.so" {
+		filter-aaaa-on-v4 no;
+		filter-aaaa { any; };
+	};
+};
diff --git a/bin/tests/system/filter-aaaa/conf/bad4.conf b/bin/tests/system/filter-aaaa/conf/bad4.conf
new file mode 100644
index 0000000..4a37e64
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/conf/bad4.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view myview {
+	plugin query "../../../plugins/.libs/filter-aaaa.so" {
+		filter-aaaa-on-v4 yes;
+		filter-aaaa { none; };
+	};
+};
diff --git a/bin/tests/system/filter-aaaa/conf/bad5.conf b/bin/tests/system/filter-aaaa/conf/bad5.conf
new file mode 100644
index 0000000..eee2336
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/conf/bad5.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+plugin query "../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v4 yes;
+	filter-aaaa { 1.0.0.0/8; };
+};
+
+view myview {
+	match-clients { any; };
+};
diff --git a/bin/tests/system/filter-aaaa/conf/good1.conf b/bin/tests/system/filter-aaaa/conf/good1.conf
new file mode 100644
index 0000000..c330d86
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/conf/good1.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+plugin query "../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v4 yes;
+};
diff --git a/bin/tests/system/filter-aaaa/conf/good2.conf b/bin/tests/system/filter-aaaa/conf/good2.conf
new file mode 100644
index 0000000..aa3c9a5
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/conf/good2.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+plugin query "../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v4 break-dnssec;
+};
diff --git a/bin/tests/system/filter-aaaa/conf/good3.conf b/bin/tests/system/filter-aaaa/conf/good3.conf
new file mode 100644
index 0000000..26e50f5
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/conf/good3.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+plugin query "../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v4 break-dnssec;
+	filter-aaaa { 1.0.0.0/8; };
+};
diff --git a/bin/tests/system/filter-aaaa/conf/good4.conf b/bin/tests/system/filter-aaaa/conf/good4.conf
new file mode 100644
index 0000000..b646c8d
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/conf/good4.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+plugin query "../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v4 yes;
+	filter-aaaa { 1.0.0.0/8; };
+};
diff --git a/bin/tests/system/filter-aaaa/conf/good5.conf b/bin/tests/system/filter-aaaa/conf/good5.conf
new file mode 100644
index 0000000..260fdf1
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/conf/good5.conf
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+view myview {
+	plugin query "../../../plugins/.libs/filter-aaaa.so" {
+		filter-aaaa-on-v4 yes;
+		filter-aaaa { 1.0.0.0/8; };
+	};
+};
diff --git a/bin/tests/system/filter-aaaa/ns1/named1.conf.in b/bin/tests/system/filter-aaaa/ns1/named1.conf.in
new file mode 100644
index 0000000..f5f0905
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns1/named1.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { fd92:7065:b8e:ffff::1; };
+	recursion no;
+	dnssec-validation yes;
+	notify yes;
+	minimal-responses no;
+};
+
+acl filterees { 10.53.0.1; };
+
+plugin query "../../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v4 yes;
+	filter-aaaa { filterees; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+zone "." { type primary; file "root.db"; };
+zone "signed" { type primary; file "signed.db.signed"; };
+zone "unsigned" { type primary; file "unsigned.db"; };
diff --git a/bin/tests/system/filter-aaaa/ns1/named2.conf.in b/bin/tests/system/filter-aaaa/ns1/named2.conf.in
new file mode 100644
index 0000000..3152f96
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns1/named2.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { fd92:7065:b8e:ffff::1; };
+	recursion no;
+	dnssec-validation yes;
+	notify yes;
+	minimal-responses no;
+};
+
+plugin query "../../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v6 yes;
+	filter-aaaa { fd92:7065:b8e:ffff::1; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type primary; file "root.db"; };
+zone "signed" { type primary; file "signed.db.signed"; };
+zone "unsigned" { type primary; file "unsigned.db"; };
diff --git a/bin/tests/system/filter-aaaa/ns1/root.db b/bin/tests/system/filter-aaaa/ns1/root.db
new file mode 100644
index 0000000..150aa72
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns1/root.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	120
+@		SOA	ns.utld hostmaster.ns.utld ( 1 3600 1200 604800 60 )
+@		NS	ns.utld
+ns.utld		A	10.53.0.1
+ns.utld		AAAA	fd92:7065:b8e:ffff::1
+;
+
+signed		NS	ns.signed
+ns.signed	A	10.53.0.1
+ns.signed	AAAA	fd92:7065:b8e:ffff::1
+
+unsigned	NS	ns.unsigned
+ns.unsigned	A	10.53.0.1
+ns.unsigned	AAAA	fd92:7065:b8e:ffff::1
diff --git a/bin/tests/system/filter-aaaa/ns1/sign.sh b/bin/tests/system/filter-aaaa/ns1/sign.sh
new file mode 100755
index 0000000..bf6f458
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns1/sign.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+SYSTESTDIR=filter-aaaa
+
+zone=signed.
+infile=signed.db.in
+zonefile=signed.db.signed
+outfile=signed.db.signed
+
+$KEYGEN -a $DEFAULT_ALGORITHM $zone 2>&1 > /dev/null | cat_i
+$KEYGEN -f KSK -a $DEFAULT_ALGORITHM $zone 2>&1 > keygen.out | cat_i
+keyname=$(cat keygen.out)
+rm -f keygen.out
+
+keyfile_to_static_ds $keyname > trusted.conf
+cp trusted.conf ../ns2/trusted.conf
+cp trusted.conf ../ns3/trusted.conf
+cp trusted.conf ../ns5/trusted.conf
+
+$SIGNER -S -o $zone -f $outfile $infile > /dev/null 2> signer.err || cat signer.err
+echo_i "signed zone '$zone'"
diff --git a/bin/tests/system/filter-aaaa/ns1/signed.db.in b/bin/tests/system/filter-aaaa/ns1/signed.db.in
new file mode 100644
index 0000000..36a0373
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns1/signed.db.in
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	120
+@		SOA	ns.signed.  hostmaster.ns.signed. ( 1 3600 1200 604800 60 )
+@		NS	ns
+@               MX      10 mx
+
+ns		A	10.53.0.1
+		AAAA	fd92:7065:b8e:ffff::1
+
+a-only		NS	1.0.0.1
+aaaa-only	AAAA	2001:db8::2
+dual		A	1.0.0.3
+dual 		AAAA	2001:db8::3
+mx		A	1.0.0.3
+mx 		AAAA	2001:db8::3
diff --git a/bin/tests/system/filter-aaaa/ns1/unsigned.db b/bin/tests/system/filter-aaaa/ns1/unsigned.db
new file mode 100644
index 0000000..abc3947
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns1/unsigned.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	120
+@		SOA	ns.unsigned.  hostmaster.ns.unsigned. ( 1 3600 1200 604800 60 )
+@		NS	ns
+@               MX      10 mx
+
+ns		A	10.53.0.1
+		AAAA	fd92:7065:b8e:ffff::1
+
+a-only		NS	1.0.0.4
+aaaa-only	AAAA	2001:db8::5
+dual		A	1.0.0.6
+dual 		AAAA	2001:db8::6
+mx		A	1.0.0.3
+mx 		AAAA	2001:db8::3
diff --git a/bin/tests/system/filter-aaaa/ns2/hints b/bin/tests/system/filter-aaaa/ns2/hints
new file mode 100644
index 0000000..fa0d3e4
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns2/hints
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 120
+
+.		NS	ns.utld.
+ns.utld.	A	10.53.0.1
+ns.utld.	AAAA	fd92:7065:b8e:ffff::1
diff --git a/bin/tests/system/filter-aaaa/ns2/named1.conf.in b/bin/tests/system/filter-aaaa/ns2/named1.conf.in
new file mode 100644
index 0000000..2a1486d
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns2/named1.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	minimal-responses no;
+};
+
+plugin query "../../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v4 yes;
+	filter-aaaa { 10.53.0.2; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type hint; file "hints"; };
+
+include "trusted.conf";
diff --git a/bin/tests/system/filter-aaaa/ns2/named2.conf.in b/bin/tests/system/filter-aaaa/ns2/named2.conf.in
new file mode 100644
index 0000000..4e5a1ef
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns2/named2.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	minimal-responses no;
+};
+
+plugin query "../../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v6 yes;
+	filter-aaaa { fd92:7065:b8e:ffff::2; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type hint; file "hints"; };
+
+include "trusted.conf";
diff --git a/bin/tests/system/filter-aaaa/ns3/hints b/bin/tests/system/filter-aaaa/ns3/hints
new file mode 100644
index 0000000..fa0d3e4
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns3/hints
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 120
+
+.		NS	ns.utld.
+ns.utld.	A	10.53.0.1
+ns.utld.	AAAA	fd92:7065:b8e:ffff::1
diff --git a/bin/tests/system/filter-aaaa/ns3/named1.conf.in b/bin/tests/system/filter-aaaa/ns3/named1.conf.in
new file mode 100644
index 0000000..602859b
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns3/named1.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { fd92:7065:b8e:ffff::3; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	minimal-responses no;
+};
+
+plugin query "../../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v4 break-dnssec;
+	filter-aaaa { 10.53.0.3; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type hint; file "hints"; };
+
+include "trusted.conf";
diff --git a/bin/tests/system/filter-aaaa/ns3/named2.conf.in b/bin/tests/system/filter-aaaa/ns3/named2.conf.in
new file mode 100644
index 0000000..db449af
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns3/named2.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { fd92:7065:b8e:ffff::3; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	minimal-responses no;
+};
+
+plugin query "../../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v6 break-dnssec;
+	filter-aaaa { fd92:7065:b8e:ffff::3; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type hint; file "hints"; };
+
+include "trusted.conf";
diff --git a/bin/tests/system/filter-aaaa/ns4/named1.conf.in b/bin/tests/system/filter-aaaa/ns4/named1.conf.in
new file mode 100644
index 0000000..0aa3007
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns4/named1.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { fd92:7065:b8e:ffff::4; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	minimal-responses no;
+};
+
+plugin query "../../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v4 break-dnssec;
+	filter-aaaa { 10.53.0.4; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type primary; file "root.db"; };
+zone "signed" { type primary; file "signed.db.signed"; };
+zone "unsigned" { type primary; file "unsigned.db"; };
diff --git a/bin/tests/system/filter-aaaa/ns4/named2.conf.in b/bin/tests/system/filter-aaaa/ns4/named2.conf.in
new file mode 100644
index 0000000..e534e54
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns4/named2.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { fd92:7065:b8e:ffff::4; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	minimal-responses no;
+};
+
+plugin query "../../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v6 break-dnssec;
+	filter-aaaa { fd92:7065:b8e:ffff::4; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type primary; file "root.db"; };
+zone "signed" { type primary; file "signed.db.signed"; };
+zone "unsigned" { type primary; file "unsigned.db"; };
diff --git a/bin/tests/system/filter-aaaa/ns4/root.db b/bin/tests/system/filter-aaaa/ns4/root.db
new file mode 100644
index 0000000..7984c37
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns4/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@		SOA	ns.utld hostmaster.ns.utld ( 1 3600 1200 604800 60 )
+@		NS	ns.utld
+ns.utld		A	10.53.0.4
+ns.utld		AAAA	fd92:7065:b8e:ffff::4
+;
+
+signed		NS	ns.signed
+ns.signed	A	10.53.0.4
+ns.signed	AAAA	fd92:7065:b8e:ffff::4
+
+unsigned	NS	ns.unsigned
+ns.unsigned	A	10.53.0.4
+ns.unsigned	AAAA	fd92:7065:b8e:ffff::4
diff --git a/bin/tests/system/filter-aaaa/ns4/sign.sh b/bin/tests/system/filter-aaaa/ns4/sign.sh
new file mode 100755
index 0000000..b9ce09f
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns4/sign.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+SYSTESTDIR=filter-aaaa
+
+zone=signed.
+infile=signed.db.in
+zonefile=signed.db.signed
+outfile=signed.db.signed
+
+$KEYGEN -a $DEFAULT_ALGORITHM $zone 2>&1 > /dev/null | cat_i
+$KEYGEN -f KSK -a $DEFAULT_ALGORITHM $zone 2>&1 > /dev/null | cat_i
+
+$SIGNER -S -o $zone -f $outfile $infile > /dev/null 2> signer.err || cat signer.err
+echo_i "signed zone '$zone'"
diff --git a/bin/tests/system/filter-aaaa/ns4/signed.db.in b/bin/tests/system/filter-aaaa/ns4/signed.db.in
new file mode 100644
index 0000000..fa52106
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns4/signed.db.in
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	120
+@		SOA	ns.signed.  hostmaster.ns.signed. ( 1 3600 1200 604800 60 )
+@		NS	ns
+@               MX      10 mx
+
+ns		A	10.53.0.4
+		AAAA	fd92:7065:b8e:ffff::4
+
+a-only		NS	1.0.0.1
+aaaa-only	AAAA	2001:db8::2
+dual		A	1.0.0.3
+dual 		AAAA	2001:db8::3
+mx		A	1.0.0.3
+mx 		AAAA	2001:db8::3
diff --git a/bin/tests/system/filter-aaaa/ns4/unsigned.db b/bin/tests/system/filter-aaaa/ns4/unsigned.db
new file mode 100644
index 0000000..4baa462
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns4/unsigned.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	120
+@		SOA	ns.unsigned.  hostmaster.ns.unsigned. ( 1 3600 1200 604800 60 )
+@		NS	ns
+@               MX      10 mx
+
+ns		A	10.53.0.4
+		AAAA	fd92:7065:b8e:ffff::4
+
+a-only		NS	1.0.0.4
+aaaa-only	AAAA	2001:db8::5
+dual		A	1.0.0.6
+dual 		AAAA	2001:db8::6
+mx		A	1.0.0.3
+mx 		AAAA	2001:db8::3
diff --git a/bin/tests/system/filter-aaaa/ns5/hints b/bin/tests/system/filter-aaaa/ns5/hints
new file mode 100644
index 0000000..fa0d3e4
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns5/hints
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 120
+
+.		NS	ns.utld.
+ns.utld.	A	10.53.0.1
+ns.utld.	AAAA	fd92:7065:b8e:ffff::1
diff --git a/bin/tests/system/filter-aaaa/ns5/named.conf.in b/bin/tests/system/filter-aaaa/ns5/named.conf.in
new file mode 100644
index 0000000..36380cd
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/ns5/named.conf.in
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { fd92:7065:b8e:ffff::5; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+	dns64 64:ff9b::/96 {
+			    clients { any; };
+			    exclude { any; };
+			    mapped { any; };
+	};
+	minimal-responses no;
+};
+
+plugin query "../../../../plugins/.libs/filter-aaaa.so" {
+	filter-aaaa-on-v4 break-dnssec;
+	filter-aaaa { any; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type hint; file "hints"; };
+
+include "trusted.conf";
diff --git a/bin/tests/system/filter-aaaa/setup.sh b/bin/tests/system/filter-aaaa/setup.sh
new file mode 100644
index 0000000..c3901c5
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/setup.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named1.conf.in ns1/named.conf
+copy_setports ns2/named1.conf.in ns2/named.conf
+copy_setports ns3/named1.conf.in ns3/named.conf
+copy_setports ns4/named1.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+
+(cd ns1 && $SHELL -e sign.sh)
+(cd ns4 && $SHELL -e sign.sh)
diff --git a/bin/tests/system/filter-aaaa/tests.sh b/bin/tests/system/filter-aaaa/tests.sh
new file mode 100644
index 0000000..5ed97eb
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/tests.sh
@@ -0,0 +1,1420 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+rm -f dig.out.*
+
+DIGOPTS="+tcp +noadd +nosea +nostat +nocmd -p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+for conf in conf/good*.conf
+do
+	n=$((n + 1))
+	echo_i "checking that $conf is accepted ($n)"
+	ret=0
+	$CHECKCONF "$conf" || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+done
+
+for conf in conf/bad*.conf
+do
+	n=$((n + 1))
+	echo_i "checking that $conf is rejected ($n)"
+	ret=0
+	$CHECKCONF "$conf" >/dev/null && ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+done
+
+#
+# Authoritative tests against:
+#	filter-aaaa-on-v4 yes;
+#	filter-aaaa { 10.53.0.1; };
+#
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, signed ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.signed -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "AUTHORITY: 1," dig.out.ns1.test$n > /dev/null || ret=1
+grep ::2 dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, unsigned ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.unsigned -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "AUTHORITY: 1," dig.out.ns1.test$n > /dev/null || ret=1
+grep ::5 dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns1.test$n > /dev/null || ret=1
+grep "AUTHORITY: 0" dig.out.ns1.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns1.test$n > /dev/null || ret=1
+grep "AUTHORITY: 0" dig.out.ns1.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist, signed and DO set ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed +dnssec -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "AUTHORITY: 2," dig.out.ns1.test$n > /dev/null || ret=1
+grep ::3 dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned and DO set ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns1.test$n > /dev/null || ret=1
+grep "AUTHORITY: 0," dig.out.ns1.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist and query source does not match acl ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.2 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "AUTHORITY: 1," dig.out.ns1.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed and qtype=ANY ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns1.test$n > /dev/null || ret=1
+grep "::3" dig.out.ns1.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned and qtype=ANY ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns1.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns1.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, signed, qtype=ANY and DO is set ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed +dnssec -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "AUTHORITY: 2," dig.out.ns1.test$n > /dev/null || ret=1
+grep ::3 dig.out.ns1.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned, qtype=ANY and DO is set ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned +dnssec -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns1.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns1.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, qtype=ANY and query source does not match acl ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b 10.53.0.2 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "AUTHORITY: 1," dig.out.ns1.test$n > /dev/null || ret=1
+grep 1.0.0.6 dig.out.ns1.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A record exists, unsigned over IPv6 ($n)"
+if testsock6 fd92:7065:b8e:ffff::1
+then
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep 2001:db8::6 dig.out.ns1.test$n > /dev/null || ret=1
+grep "AUTHORITY: 1," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+else
+echo_i "skipped."
+fi
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=NS ($n)"
+ret=0
+$DIG $DIGOPTS +add ns unsigned -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep AAAA dig.out.ns1.test$n > /dev/null 2>&1 && ret=1
+grep "ANSWER: 1," dig.out.ns1.test$n > /dev/null || ret=1
+grep "ADDITIONAL: 2" dig.out.ns1.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, unsigned ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns1.test$n > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, signed ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx signed -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "^mx.signed.*AAAA" dig.out.ns1.test$n > /dev/null 2>&1 || ret=1
+grep "AUTHORITY: 2," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, unsigned, over IPv6 ($n)"
+if testsock6 fd92:7065:b8e:ffff::1
+then
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns1.test$n > /dev/null 2>&1 || ret=1
+grep "AUTHORITY: 1," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+else
+echo_i "skipped."
+fi
+
+#
+# Authoritative tests against:
+#	filter-aaaa-on-v4 break-dnssec;
+#	filter-aaaa { 10.53.0.4; };
+#
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, signed with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.signed -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "AUTHORITY: 1," dig.out.ns4.test$n > /dev/null || ret=1
+grep ::2 dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, unsigned with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.unsigned -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "AUTHORITY: 1," dig.out.ns4.test$n > /dev/null || ret=1
+grep ::5 dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+grep "AUTHORITY: 0," dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed and DO set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed +dnssec -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned and DO set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist and query source does not match acl with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.2 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed and qtype=ANY with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns4.test$n > /dev/null || ret=1
+grep "::3" dig.out.ns4.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned and qtype=ANY with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns4.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns4.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed, qtype=ANY and DO is set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed +dnssec -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns4.test$n > /dev/null || ret=1
+grep ::3 dig.out.ns4.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned, qtype=ANY and DO is set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned +dnssec -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns4.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns4.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, qtype=ANY and query source does not match acl with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b 10.53.0.2 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep 1.0.0.6 dig.out.ns4.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A record exists, unsigned over IPv6 with break-dnssec ($n)"
+if testsock6 fd92:7065:b8e:ffff::4
+then
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep 2001:db8::6 dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+else
+echo_i "skipped."
+fi
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=NS, with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add ns unsigned -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep AAAA dig.out.ns4.test$n > /dev/null 2>&1 && ret=1
+grep "ADDITIONAL: 2" dig.out.ns4.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, unsigned, with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns4.test$n > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, signed, with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx signed -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "^mx.signed.*AAAA" dig.out.ns4.test$n > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, unsigned, over IPv6, with break-dnssec ($n)"
+if testsock6 fd92:7065:b8e:ffff::4
+then
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns4.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+else
+echo_i "skipped."
+fi
+
+
+#
+# Recursive tests against:
+#	filter-aaaa-on-v4 yes;
+#	filter-aaaa { 10.53.0.2; };
+#
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, signed, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.signed -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep ::2 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, unsigned, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.unsigned -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep ::5 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist, signed and DO set, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed +dnssec -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep ::3 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned and DO set, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned +dnssec -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist and query source does not match acl, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.1 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed and qtype=ANY recursive ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns2.test$n > /dev/null || ret=1
+grep "::3" dig.out.ns2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned and qtype=ANY recursive ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns2.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, signed, qtype=ANY and DO is set, recursive ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed +dnssec -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep ::3 dig.out.ns2.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned, qtype=ANY and DO is set, recursive ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned +dnssec -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns2.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, qtype=ANY and query source does not match acl, recursive ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b 10.53.0.1 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep 1.0.0.6 dig.out.ns2.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A record exists, unsigned over IPv6, recursive ($n)"
+if testsock6 fd92:7065:b8e:ffff::2
+then
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep 2001:db8::6 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+else
+echo_i "skipped."
+fi
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=NS ($n)"
+ret=0
+$DIG $DIGOPTS +add ns unsigned -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep AAAA dig.out.ns2.test$n > /dev/null 2>&1 && ret=1
+grep "ADDITIONAL: 2" dig.out.ns2.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, unsigned, recursive ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns2.test$n > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, signed, recursive ($n)"
+ret=0
+# we need to prime the cache with addresses for the MX, since additional
+# section data won't be included unless it's validated, and that doesn't
+# necessarily happen otherwise.
+$DIG $DIGOPTS +dnssec mx.signed @10.53.0.2 > /dev/null
+$DIG $DIGOPTS +dnssec mx.signed aaaa @10.53.0.2 > /dev/null
+$DIG $DIGOPTS +add +dnssec mx signed -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "^mx.signed.*AAAA" dig.out.ns2.test$n > /dev/null 2>&1 || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, unsigned, recursive, over IPv6 ($n)"
+if testsock6 fd92:7065:b8e:ffff::2
+then
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns2.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+else
+echo_i "skipped."
+fi
+
+#
+# Recursive tests against:
+#	filter-aaaa-on-v4 break-dnssec;
+#	filter-aaaa { 10.53.0.3; };
+#
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, signed, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.signed -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null || ret=1
+grep ::2 dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, unsigned, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.unsigned -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep ::5 dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed and DO set, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed +dnssec -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned and DO set, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned +dnssec -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist and query source does not match acl, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.1 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed and qtype=ANY with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns3.test$n > /dev/null || ret=1
+grep "::3" dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned and qtype=ANY with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns3.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed, qtype=ANY and DO is set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed +dnssec -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns3.test$n > /dev/null || ret=1
+grep ::3 dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned, qtype=ANY and DO is set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned +dnssec -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns3.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, qtype=ANY and query source does not match acl, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b 10.53.0.1 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep 1.0.0.6 dig.out.ns3.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A record exists, unsigned over IPv6, recursive with break-dnssec ($n)"
+if testsock6 fd92:7065:b8e:ffff::3
+then
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep 2001:db8::6 dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+else
+echo_i "skipped."
+fi
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=NS, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add ns unsigned -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep AAAA dig.out.ns3.test$n > /dev/null 2>&1 && ret=1
+grep "ADDITIONAL: 2" dig.out.ns3.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, unsigned, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns3.test$n > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, signed, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx signed -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "^mx.signed.*AAAA" dig.out.ns3.test$n > /dev/null 2>&1 && ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, unsigned, over IPv6, recursive with break-dnssec ($n)"
+if testsock6 fd92:7065:b8e:ffff::3
+then
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns3.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+else
+echo_i "skipped."
+fi
+
+if ! testsock6 fd92:7065:b8e:ffff::1
+then
+	echo_i "IPv6 address not configured; skipping IPv6 query tests"
+	echo_i "exit status: $status"
+	exit $status
+fi
+
+# Reconfiguring for IPv6 tests
+echo_i "reconfiguring servers"
+copy_setports ns1/named2.conf.in ns1/named.conf
+rndc_reconfig ns1 10.53.0.1
+copy_setports ns2/named2.conf.in ns2/named.conf
+rndc_reconfig ns2 10.53.0.2
+copy_setports ns3/named2.conf.in ns3/named.conf
+rndc_reconfig ns3 10.53.0.3
+copy_setports ns4/named2.conf.in ns4/named.conf
+rndc_reconfig ns4 10.53.0.4
+
+# BEGIN IPv6 TESTS
+
+#
+# Authoritative tests against:
+#	filter-aaaa-on-v6 yes;
+#	filter-aaaa { fd92:7065:b8e:ffff::1; };
+#
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, signed ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.signed -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep ::2 dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, unsigned ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep ::5 dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns1.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns1.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist, signed and DO set ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed +dnssec -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep ::3 dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned and DO set ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns1.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist and query source does not match acl ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed and qtype=ANY ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns1.test$n > /dev/null || ret=1
+grep "::3" dig.out.ns1.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned and qtype=ANY ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns1.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns1.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, signed, qtype=ANY and DO is set ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed +dnssec -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep ::3 dig.out.ns1.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned, qtype=ANY and DO is set ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned +dnssec -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns1.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns1.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, qtype=ANY and query source does not match acl ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep 1.0.0.6 dig.out.ns1.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A record exists, unsigned over IPv4 ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep 2001:db8::6 dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=NS ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec ns unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep AAAA dig.out.ns1.test$n > /dev/null 2>&1 && ret=1
+grep "ADDITIONAL: 2" dig.out.ns1.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, unsigned ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns1.test$n > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, signed ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx signed -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::1 > dig.out.ns1.test$n || ret=1
+grep "^mx.signed.*AAAA" dig.out.ns1.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, unsigned, over IPv4 ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b 10.53.0.1 @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns1.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+
+#
+# Authoritative tests against:
+#	filter-aaaa-on-v6 break-dnssec;
+#	filter-aaaa { fd92:7065:b8e:ffff::4; };
+#
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, signed with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.signed -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep ::2 dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, unsigned with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.unsigned -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep ::5 dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed and DO set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed +dnssec -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned and DO set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns4.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist and query source does not match acl with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed and qtype=ANY with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns4.test$n > /dev/null || ret=1
+grep "::3" dig.out.ns4.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned and qtype=ANY with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns4.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns4.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed, qtype=ANY and DO is set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed +dnssec -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns4.test$n > /dev/null || ret=1
+grep ::3 dig.out.ns4.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned, qtype=ANY and DO is set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned +dnssec -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns4.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns4.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, qtype=ANY and query source does not match acl with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep 1.0.0.6 dig.out.ns4.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A record exists, unsigned over IPv4 with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep 2001:db8::6 dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=NS, with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec ns unsigned -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep AAAA dig.out.ns4.test$n > /dev/null 2>&1 && ret=1
+grep "ADDITIONAL: 2" dig.out.ns4.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, unsigned, with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns4.test$n > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, signed, with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx signed -b fd92:7065:b8e:ffff::4 @fd92:7065:b8e:ffff::4 > dig.out.ns4.test$n || ret=1
+grep "^mx.signed.*AAAA" dig.out.ns4.test$n > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, unsigned, over IPv4, with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b 10.53.0.4 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns4.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+
+#
+# Recursive tests against:
+#	filter-aaaa-on-v6 yes;
+#	filter-aaaa { fd92:7065:b8e:ffff::2; };
+#
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, signed, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.signed -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep ::2 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, unsigned, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.unsigned -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep ::5 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist, signed and DO set, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed +dnssec -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep ::3 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned and DO set, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned +dnssec -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist and query source does not match acl, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed and qtype=ANY recursive ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns2.test$n > /dev/null || ret=1
+grep "::3" dig.out.ns2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned and qtype=ANY recursive ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns2.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, signed, qtype=ANY and DO is set, recursive ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed +dnssec -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep ::3 dig.out.ns2.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned, qtype=ANY and DO is set, recursive ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned +dnssec -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns2.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, qtype=ANY and query source does not match acl, recursive ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep 1.0.0.6 dig.out.ns2.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A record exists, unsigned over IPv4, recursive ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep 2001:db8::6 dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=NS ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec ns unsigned -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep AAAA dig.out.ns2.test$n > /dev/null 2>&1 && ret=1
+grep "ADDITIONAL: 2" dig.out.ns2.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, unsigned ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns2.test$n > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, signed ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx signed -b fd92:7065:b8e:ffff::2 @fd92:7065:b8e:ffff::2 > dig.out.ns2.test$n || ret=1
+grep "^mx.signed.*AAAA" dig.out.ns2.test$n > /dev/null 2>&1 || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, unsigned, over IPv4 ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns2.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+
+#
+# Recursive tests against:
+#	filter-aaaa-on-v6 yes;
+#	filter-aaaa { fd92:7065:b8e:ffff::3; };
+#
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, signed, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.signed -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null || ret=1
+grep ::2 dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when only AAAA record exists, unsigned, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.unsigned -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep ::5 dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, signed and DO set, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.signed +dnssec -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NODATA/NOERROR is returned when both AAAA and A records exist, unsigned and DO set, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned +dnssec -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null && ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A records exist and query source does not match acl, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed and qtype=ANY with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns3.test$n > /dev/null || ret=1
+grep "::3" dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned and qtype=ANY with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns3.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, signed, qtype=ANY and DO is set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.signed +dnssec -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "1.0.0.3" dig.out.ns3.test$n > /dev/null || ret=1
+grep ::3 dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that A and not AAAA is returned when both AAAA and A records exist, unsigned, qtype=ANY and DO is set with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned +dnssec -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "1.0.0.6" dig.out.ns3.test$n > /dev/null || ret=1
+grep "::6" dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that both A and AAAA are returned when both AAAA and A records exist, qtype=ANY and query source does not match acl, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS any dual.unsigned -b fd92:7065:b8e:ffff::1 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep 1.0.0.6 dig.out.ns3.test$n > /dev/null || ret=1
+grep ::6 dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is returned when both AAAA and A record exists, unsigned over IPv4, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS aaaa dual.unsigned -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep 2001:db8::6 dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=NS, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec ns unsigned -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep AAAA dig.out.ns3.test$n > /dev/null 2>&1 && ret=1
+grep "ADDITIONAL: 2" dig.out.ns3.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, unsigned, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns3.test$n > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is omitted from additional section, qtype=MX, signed, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx signed -b fd92:7065:b8e:ffff::3 @fd92:7065:b8e:ffff::3 > dig.out.ns3.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null || ret=1
+grep "^mx.signed.*AAAA" dig.out.ns3.test$n > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that AAAA is included in additional section, qtype=MX, unsigned, over IPv4, recursive with break-dnssec ($n)"
+ret=0
+$DIG $DIGOPTS +add +dnssec mx unsigned -b 10.53.0.3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep "^mx.unsigned.*AAAA" dig.out.ns3.test$n > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# We don't check for the AAAA record here as configuration in ns5 does
+# not make sense.  The AAAA record is wanted by filter-aaaa but discarded
+# by the dns64 configuration. We just want to ensure the server stays
+# running.
+n=$((n + 1))
+echo_i "checking filter-aaaa with dns64 ($n)"
+ret=0
+$DIG $DIGOPTS aaaa aaaa-only.unsigned @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep "status: NOERROR" dig.out.ns5.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/filter-aaaa/tests_sh_filter_aaaa.py b/bin/tests/system/filter-aaaa/tests_sh_filter_aaaa.py
new file mode 100644
index 0000000..bc6a90d
--- /dev/null
+++ b/bin/tests/system/filter-aaaa/tests_sh_filter_aaaa.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_filter_aaaa(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/formerr/clean.sh b/bin/tests/system/formerr/clean.sh
new file mode 100644
index 0000000..05d08a7
--- /dev/null
+++ b/bin/tests/system/formerr/clean.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f nametoolong.out
+rm -f twoquestions.out
+rm -f noquestions.out
+rm -f ns*/named.conf
+rm -f ns*/named.lock
+rm -f ns*/named.run
+rm -f ns*/named.memstats
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/formerr/formerr.pl b/bin/tests/system/formerr/formerr.pl
new file mode 100644
index 0000000..fd7d298
--- /dev/null
+++ b/bin/tests/system/formerr/formerr.pl
@@ -0,0 +1,97 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# This is a tool for sending an arbitrary packet via UDP or TCP to an
+# arbitrary address and port.  The packet is specified in a file or on
+# the standard input, in the form of a series of bytes in hexadecimal.
+# Whitespace is ignored, as is anything following a '#' symbol.
+#
+# For example, the following input would generate normal query for
+# isc.org/NS/IN":
+#
+#     # QID:
+#     0c d8
+#     # header:
+#     01 00 00 01 00 00 00 00 00 00
+#     # qname isc.org:
+#     03 69 73 63 03 6f 72 67 00
+#     # qtype NS:
+#     00 02
+#     # qclass IN:
+#     00 01
+#
+# Note that we do not wait for a response for the server.  This is simply
+# a way of injecting arbitrary packets to test server resposnes.
+#
+# Usage: packet.pl [-a <address>] [-p <port>] [-t (udp|tcp)] [filename]
+#
+# If not specified, address defaults to 127.0.0.1, port to 53, protocol
+# to udp, and file to stdin.
+#
+# XXX: Doesn't support IPv6 yet
+
+require 5.006_001;
+
+use strict;
+use Getopt::Std;
+use IO::File;
+use IO::Socket;
+
+sub usage {
+    print ("Usage: packet.pl [-a address] [-p port] [file]\n");
+    exit 1;
+}
+
+my %options={};
+getopts("a:p:", \%options);
+
+my $addr = "127.0.0.1";
+$addr = $options{a} if defined $options{a};
+
+my $port = 53;
+$port = $options{p} if defined $options{p};
+
+my $file = "STDIN";
+if (@ARGV >= 1) {
+    my $filename = shift @ARGV;
+    open FH, "<$filename" or die "$filename: $!";
+    $file = "FH";
+}
+
+my $input = "";
+while (defined(my $line = <$file>) ) {
+    chomp $line;
+    $line =~ s/#.*$//;
+    $input .= $line;
+}
+
+$input =~ s/\s+//g;
+my $data = pack("H*", $input);
+my $len = length $data;
+
+my $output = unpack("H*", $data);
+print ("sending: $output\n");
+
+my $sock = IO::Socket::INET->new(PeerAddr => $addr, PeerPort => $port,
+				 Proto => "tcp") or die "$!";
+
+my $bytes;
+$bytes = $sock->syswrite(pack("n", $len), 2);
+$bytes = $sock->syswrite($data, $len);
+$bytes = $sock->sysread($data, 2);
+$len = unpack("n", $data);
+$bytes = $sock->sysread($data, $len);
+print "got: ", unpack("H*", $data). "\n";
+
+$sock->close;
+close $file;
diff --git a/bin/tests/system/formerr/nametoolong b/bin/tests/system/formerr/nametoolong
new file mode 100644
index 0000000..b81545f
--- /dev/null
+++ b/bin/tests/system/formerr/nametoolong
@@ -0,0 +1,19 @@
+00 00 00 00 00 01 00 00 00 00 00 00
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0f 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41
+0e 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00
+00 01
+00 01
diff --git a/bin/tests/system/formerr/noquestions b/bin/tests/system/formerr/noquestions
new file mode 100644
index 0000000..f087bcd
--- /dev/null
+++ b/bin/tests/system/formerr/noquestions
@@ -0,0 +1 @@
+00 00 00 00 00 00 00 00 00 00 00 00
diff --git a/bin/tests/system/formerr/ns1/named.conf.in b/bin/tests/system/formerr/ns1/named.conf.in
new file mode 100644
index 0000000..1334c85
--- /dev/null
+++ b/bin/tests/system/formerr/ns1/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/formerr/ns1/root.db b/bin/tests/system/formerr/ns1/root.db
new file mode 100644
index 0000000..f4d4c69
--- /dev/null
+++ b/bin/tests/system/formerr/ns1/root.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	marka.isc.org. a.root.servers.nil. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.4
diff --git a/bin/tests/system/formerr/setup.sh b/bin/tests/system/formerr/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/formerr/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/formerr/tests.sh b/bin/tests/system/formerr/tests.sh
new file mode 100644
index 0000000..75f4cc0
--- /dev/null
+++ b/bin/tests/system/formerr/tests.sh
@@ -0,0 +1,48 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+
+echo_i "test name too long"
+$PERL formerr.pl -a 10.53.0.1 -p ${PORT} nametoolong > nametoolong.out
+ans=$(grep got: nametoolong.out)
+if [ "${ans}" != "got: 000080010000000000000000" ];
+then
+	echo_i "failed"; status=$((status + 1));
+fi
+
+echo_i "two questions"
+$PERL formerr.pl -a 10.53.0.1 -p ${PORT} twoquestions > twoquestions.out
+ans=$(grep got: twoquestions.out)
+if [ "${ans}" != "got: 000080010000000000000000" ];
+then
+	echo_i "failed"; status=$((status + 1));
+fi
+
+# this would be NOERROR if it included a COOKIE option,
+# but is a FORMERR without one.
+echo_i "empty question section (and no COOKIE option)"
+$PERL formerr.pl -a 10.53.0.1 -p ${PORT} noquestions > noquestions.out
+ans=$(grep got: noquestions.out)
+if [ "${ans}" != "got: 000080010000000000000000" ];
+then
+	echo_i "failed"; status=$((status + 1));
+fi
+
+echo_i "exit status: $status"
+
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/formerr/tests_sh_formerr.py b/bin/tests/system/formerr/tests_sh_formerr.py
new file mode 100644
index 0000000..7363856
--- /dev/null
+++ b/bin/tests/system/formerr/tests_sh_formerr.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_formerr(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/formerr/twoquestions b/bin/tests/system/formerr/twoquestions
new file mode 100644
index 0000000..2192e3d
--- /dev/null
+++ b/bin/tests/system/formerr/twoquestions
@@ -0,0 +1,7 @@
+00 00 00 00 00 02 00 00 00 00 00 00
+0e 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00
+00 01
+00 02
+0e 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00
+00 01
+00 01
diff --git a/bin/tests/system/forward/ans11/ans.py b/bin/tests/system/forward/ans11/ans.py
new file mode 100644
index 0000000..00b5895
--- /dev/null
+++ b/bin/tests/system/forward/ans11/ans.py
@@ -0,0 +1,272 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from __future__ import print_function
+import os
+import sys
+import signal
+import socket
+import select
+import struct
+from datetime import datetime, timedelta
+import time
+import functools
+
+import dns, dns.message, dns.query, dns.flags
+from dns.rdatatype import *
+from dns.rdataclass import *
+from dns.rcode import *
+from dns.name import *
+
+
+# Log query to file
+def logquery(type, qname):
+    with open("qlog", "a") as f:
+        f.write("%s %s\n", type, qname)
+
+
+# Create a UDP listener
+def udp_listen(ip, port, is_ipv6=False):
+    try:
+        udp = socket.socket(
+            socket.AF_INET6 if is_ipv6 else socket.AF_INET, socket.SOCK_DGRAM
+        )
+        try:
+            udp.bind((ip, port))
+        except:
+            udp.close()
+            udp = None
+    except:
+        udp = None
+
+    if udp is None and not is_ipv6:
+        raise socket.error("Can not create an IPv4 UDP listener")
+
+    return udp
+
+
+# Create a TCP listener
+def tcp_listen(ip, port, is_ipv6=False):
+    try:
+        tcp = socket.socket(
+            socket.AF_INET6 if is_ipv6 else socket.AF_INET, socket.SOCK_STREAM
+        )
+        try:
+            tcp.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+            tcp.bind((ip, port))
+            tcp.listen(100)
+        except:
+            tcp.close()
+            tcp = None
+    except:
+        tcp = None
+
+    if tcp is None and not is_ipv6:
+        raise socket.error("Can not create an IPv4 TCP listener")
+
+    return tcp
+
+
+############################################################################
+# Control channel - send "1" or "0" to enable or disable the "silent" mode.
+############################################################################
+silent = False
+
+
+def ctrl_channel(msg):
+    global silent
+
+    msg = msg.splitlines().pop(0)
+    print("Received control message: %s" % msg)
+
+    if len(msg) != 1:
+        return
+
+    if silent:
+        if msg == b"0":
+            silent = False
+            print("Silent mode was disabled")
+    else:
+        if msg == b"1":
+            silent = True
+            print("Silent mode was enabled")
+
+
+############################################################################
+# Respond to a DNS query.
+############################################################################
+def create_response(msg):
+    m = dns.message.from_wire(msg)
+    qname = m.question[0].name.to_text()
+    rrtype = m.question[0].rdtype
+    typename = dns.rdatatype.to_text(rrtype)
+
+    with open("query.log", "a") as f:
+        f.write("%s %s\n" % (typename, qname))
+        print("%s %s" % (typename, qname), end=" ")
+
+    r = dns.message.make_response(m)
+    r.set_rcode(NOERROR)
+    if rrtype == A:
+        tld = qname.split(".")[-2] + "."
+        ns = "local." + tld
+        r.answer.append(dns.rrset.from_text(qname, 300, IN, A, "10.53.0.11"))
+        r.answer.append(dns.rrset.from_text(tld, 300, IN, NS, "local." + tld))
+        r.additional.append(dns.rrset.from_text(ns, 300, IN, A, "10.53.0.11"))
+    elif rrtype == NS:
+        r.answer.append(dns.rrset.from_text(qname, 300, IN, NS, "."))
+    elif rrtype == SOA:
+        r.answer.append(dns.rrset.from_text(qname, 300, IN, SOA, ". . 0 0 0 0 0"))
+    else:
+        r.authority.append(dns.rrset.from_text(qname, 300, IN, SOA, ". . 0 0 0 0 0"))
+    r.flags |= dns.flags.AA
+    return r
+
+
+def sigterm(signum, frame):
+    print("Shutting down now...")
+    os.remove("ans.pid")
+    running = False
+    sys.exit(0)
+
+
+############################################################################
+# Main
+#
+# Set up responder and control channel, open the pid file, and start
+# the main loop, listening for queries on the query channel or commands
+# on the control channel and acting on them.
+############################################################################
+ip4 = "10.53.0.11"
+ip6 = "fd92:7065:b8e:ffff::11"
+
+try:
+    port = int(os.environ["PORT"])
+except:
+    port = 5300
+
+try:
+    ctrlport = int(os.environ["EXTRAPORT1"])
+except:
+    ctrlport = 5300
+
+ctrl4_tcp = tcp_listen(ip4, ctrlport)
+query4_udp = udp_listen(ip4, port)
+query6_udp = udp_listen(ip6, port, is_ipv6=True)
+query4_tcp = tcp_listen(ip4, port)
+query6_tcp = tcp_listen(ip6, port, is_ipv6=True)
+
+havev6 = query6_udp is not None and query6_tcp is not None
+
+signal.signal(signal.SIGTERM, sigterm)
+
+f = open("ans.pid", "w")
+pid = os.getpid()
+print(pid, file=f)
+f.close()
+
+running = True
+
+print("Listening on %s port %d" % (ip4, ctrlport))
+print("Listening on %s port %d" % (ip4, port))
+if havev6:
+    print("Listening on %s port %d" % (ip6, port))
+
+print("Ctrl-c to quit")
+
+if havev6:
+    input = [ctrl4_tcp, query4_udp, query6_udp, query4_tcp, query6_tcp]
+else:
+    input = [ctrl4_tcp, query4_udp, query4_tcp]
+
+hung_conns = []
+
+while running:
+    try:
+        inputready, outputready, exceptready = select.select(input, [], [])
+    except select.error as e:
+        break
+    except socket.error as e:
+        break
+    except KeyboardInterrupt:
+        break
+
+    for s in inputready:
+        if s == ctrl4_tcp:
+            print("Control channel connected")
+            conn = None
+            try:
+                # Handle control channel input
+                conn, addr = s.accept()
+                msg = conn.recv(1)
+                if msg:
+                    ctrl_channel(msg)
+                conn.close()
+            except s.timeout:
+                pass
+            if conn:
+                conn.close()
+        elif s == query4_tcp or s == query6_tcp:
+            print(
+                "TCP query received on %s" % (ip4 if s == query4_tcp else ip6), end=" "
+            )
+            conn = None
+            try:
+                # Handle incoming queries
+                conn, addr = s.accept()
+                if not silent:
+                    # get TCP message length
+                    msg = conn.recv(2)
+                    if len(msg) != 2:
+                        print("NO RESPONSE (can not read the message length)")
+                        conn.close()
+                        continue
+                    length = struct.unpack(">H", msg[:2])[0]
+                    msg = conn.recv(length)
+                    if len(msg) != length:
+                        print("NO RESPONSE (can not read the message)")
+                        conn.close()
+                        continue
+                    rsp = create_response(msg)
+                    if rsp:
+                        print(dns.rcode.to_text(rsp.rcode()))
+                        wire = rsp.to_wire()
+                        conn.send(struct.pack(">H", len(wire)))
+                        conn.send(wire)
+                    else:
+                        print("NO RESPONSE (can not create a response)")
+                else:
+                    # Do not respond and hang the connection.
+                    print("NO RESPONSE (silent mode)")
+                    hung_conns.append(conn)
+                    continue
+            except socket.error as e:
+                print("NO RESPONSE (error: %s)" % str(e))
+            if conn:
+                conn.close()
+        elif s == query4_udp or s == query6_udp:
+            print(
+                "UDP query received on %s" % (ip4 if s == query4_udp else ip6), end=" "
+            )
+            # Handle incoming queries
+            msg = s.recvfrom(65535)
+            if not silent:
+                rsp = create_response(msg[0])
+                if rsp:
+                    print(dns.rcode.to_text(rsp.rcode()))
+                    s.sendto(rsp.to_wire(), msg[1])
+                else:
+                    print("NO RESPONSE (can not create a response)")
+            else:
+                # Do not respond.
+                print("NO RESPONSE (silent mode)")
+    if not running:
+        break
diff --git a/bin/tests/system/forward/ans6/ans.pl b/bin/tests/system/forward/ans6/ans.pl
new file mode 100644
index 0000000..6102e4a
--- /dev/null
+++ b/bin/tests/system/forward/ans6/ans.pl
@@ -0,0 +1,562 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# This is the name server from hell.  It provides canned
+# responses based on pattern matching the queries, and
+# can be reprogrammed on-the-fly over a TCP connection.
+#
+# The server listens for queries on port 5300 (or PORT).
+#
+# The server listens for control connections on port 5301 (or EXTRAPORT1).
+#
+# A control connection is a TCP stream of lines like
+#
+#  /pattern/
+#  name ttl type rdata
+#  name ttl type rdata
+#  ...
+#  /pattern/
+#  name ttl type rdata
+#  name ttl type rdata
+#  ...
+#
+# There can be any number of patterns, each associated
+# with any number of response RRs.  Each pattern is a
+# Perl regular expression.  If an empty pattern ("//") is
+# received, the server will ignore all incoming queries (TCP
+# connections will still be accepted, but both UDP queries
+# and TCP queries will not be responded to).  If a non-empty
+# pattern is then received over the same control connection,
+# default behavior is restored.
+#
+# Each incoming query is converted into a string of the form
+# "qname qtype" (the printable query domain name, space,
+# printable query type) and matched against each pattern.
+#
+# The first pattern matching the query is selected, and
+# the RR following the pattern line are sent in the
+# answer section of the response.
+#
+# Each new control connection causes the current set of
+# patterns and responses to be cleared before adding new
+# ones.
+#
+# The server handles UDP and TCP queries.  Zone transfer
+# responses work, but must fit in a single 64 k message.
+#
+# Now you can add TSIG, just specify key/key data with:
+#
+#  /pattern <key> <key_data>/
+#  name ttl type rdata
+#  name ttl type rdata
+#
+#  Note that this data will still be sent with any request for
+#  pattern, only this data will be signed. Currently, this is only
+#  done for TCP.
+#
+# /pattern bad-id <key> <key_data>/
+# /pattern bad-id/
+#
+# will add 50 to the message id of the response.
+
+
+use IO::File;
+use IO::Socket;
+use Data::Dumper;
+use Net::DNS;
+use Net::DNS::Packet;
+use strict;
+
+# Ignore SIGPIPE so we won't fail if peer closes a TCP socket early
+local $SIG{PIPE} = 'IGNORE';
+
+# Flush logged output after every line
+local $| = 1;
+
+# We default to listening on 10.53.0.2 for historical reasons
+# XXX: we should also be able to specify IPv6
+my $server_addr = "10.53.0.6";
+if (@ARGV > 0) {
+	$server_addr = @ARGV[0];
+}
+
+my $mainport = int($ENV{'PORT'});
+if (!$mainport) { $mainport = 5300; }
+my $ctrlport = int($ENV{'EXTRAPORT1'});
+if (!$ctrlport) { $ctrlport = 5301; }
+
+print "listening on $server_addr:$mainport,$ctrlport.\n";
+print "Using Net::DNS $Net::DNS::VERSION\n";
+
+# XXX: we should also be able to set the port numbers to listen on.
+my $ctlsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $ctrlport, Proto => "tcp", Listen => 5, Reuse => 1) or die "$!";
+
+my $udpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $mainport, Proto => "udp", Reuse => 1) or die "$!";
+
+my $tcpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $mainport, Proto => "tcp", Listen => 5, Reuse => 1) or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";;
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+#my @answers = ();
+my @rules;
+my $udphandler;
+my $tcphandler;
+
+sub handleUDP {
+	my ($buf) = @_;
+	my $request;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$request = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($request, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	my @questions = $request->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+	my $qclass = $questions[0]->qclass;
+	my $id = $request->header->id;
+
+	my $packet = new Net::DNS::Packet($qname, $qtype, $qclass);
+	$packet->header->qr(1);
+	$packet->header->aa(1);
+	$packet->header->id($id);
+
+	# get the existing signature if any, and clear the additional section
+	my $prev_tsig;
+	while (my $rr = $request->pop("additional")) {
+		$prev_tsig = $rr if ($rr->type eq "TSIG");
+	}
+
+	my $r;
+        my $answers = 0;
+        my $match;
+        my $key_name;
+        my $key_data;
+	foreach $r (@rules) {
+		my $pattern = $r->{pattern};
+		($match, $key_name, $key_data) = split(/ /,$pattern);
+		print "[handleUDP] $match, $key_name, $key_data\n";
+                $match =~ tr/\// /;
+		if ("$qname $qtype" =~ /$match/) {
+			my $a;
+			foreach $a (@{$r->{answer}}) {
+                                my $resp;
+                                $resp = new Net::DNS::RR("$qname $a");
+				$packet->push("answer", $resp);
+                                ++$answers;
+			}
+                        last;
+                }
+        }
+        if ($answers eq 0) {
+                my $soa;
+                $soa = new Net::DNS::RR("$qname 300 IN SOA . . 0 0 0 0 0");
+                $packet->push("authority", $soa)
+        }
+        if (defined($key_name) && defined($key_data)) {
+                my $tsig;
+                # Sign the packet
+                print "  Signing the response with " .
+                      "$key_name/$key_data\n";
+
+                if ($Net::DNS::VERSION < 0.69) {
+                        $tsig = Net::DNS::RR->new(
+                                   "$key_name TSIG $key_data");
+                } else {
+                        $tsig = Net::DNS::RR->new(
+                                        name => $key_name,
+                                        type => 'TSIG',
+                                        key  => $key_data);
+                }
+
+                # These kluges are necessary because Net::DNS
+                # doesn't know how to sign responses.  We
+                # clear compnames so that the TSIG key and
+                # algorithm name won't be compressed, and
+                # add one to arcount because the signing
+                # function will attempt to decrement it,
+                # which is incorrect in a response. Finally
+                # we set request_mac to the previous digest.
+                $packet->{"compnames"} = {}
+                        if ($Net::DNS::VERSION < 0.70);
+                $packet->{"header"}{"arcount"} += 1
+                        if ($Net::DNS::VERSION < 0.70);
+                if (defined($prev_tsig)) {
+                        if ($Net::DNS::VERSION < 0.73) {
+                                my $rmac = pack('n H*',
+                                        length($prev_tsig->mac)/2,
+                                        $prev_tsig->mac);
+                                $tsig->{"request_mac"} =
+                                        unpack("H*", $rmac);
+                        } else {
+                                $tsig->request_mac(
+                                         $prev_tsig->mac);
+                        }
+                }
+
+                $packet->sign_tsig($tsig);
+	}
+	#$packet->print;
+
+	return $packet->data;
+}
+
+# namelen:
+# given a stream of data, reads a DNS-formatted name and returns its
+# total length, thus making it possible to skip past it.
+sub namelen {
+	my ($data) = @_;
+	my $len = 0;
+	my $label_len = 0;
+	do {
+		$label_len = unpack("c", $data);
+		$data = substr($data, $label_len + 1);
+		$len += $label_len + 1;
+	} while ($label_len != 0);
+	return ($len);
+}
+
+# packetlen:
+# given a stream of data, reads a DNS wire-format packet and returns
+# its total length, making it possible to skip past it.
+sub packetlen {
+	my ($data) = @_;
+	my $q;
+	my $rr;
+	my $header;
+	my $offset;
+
+	#
+	# decode/encode were introduced in Net::DNS 0.68
+	# parse is no longer a method and calling it here makes perl croak.
+	#
+	my $decode = 0;
+	$decode = 1 if ($Net::DNS::VERSION >= 0.68);
+
+	if ($decode) {
+		($header, $offset) = Net::DNS::Header->decode(\$data);
+	} else {
+		($header, $offset) = Net::DNS::Header->parse(\$data);
+	}
+
+	for (1 .. $header->qdcount) {
+		if ($decode) {
+			($q, $offset) =
+				 Net::DNS::Question->decode(\$data, $offset);
+		} else {
+			($q, $offset) =
+				 Net::DNS::Question->parse(\$data, $offset);
+		}
+	}
+	for (1 .. $header->ancount) {
+		if ($decode) {
+			($q, $offset) = Net::DNS::RR->decode(\$data, $offset);
+		} else {
+			($q, $offset) = Net::DNS::RR->parse(\$data, $offset);
+		}
+	}
+	for (1 .. $header->nscount) {
+		if ($decode) {
+			($q, $offset) = Net::DNS::RR->decode(\$data, $offset);
+		} else {
+			($q, $offset) = Net::DNS::RR->parse(\$data, $offset);
+		}
+	}
+	for (1 .. $header->arcount) {
+		if ($decode) {
+			($q, $offset) = Net::DNS::RR->decode(\$data, $offset);
+		} else {
+			($q, $offset) = Net::DNS::RR->parse(\$data, $offset);
+		}
+	}
+	return $offset;
+}
+
+# sign_tcp_continuation:
+# This is a hack to correct the problem that Net::DNS has no idea how
+# to sign multiple-message TCP responses.  Several data that are included
+# in the digest when signing a query or the first message of a response are
+# omitted when signing subsequent messages in a TCP stream.
+#
+# Net::DNS::Packet->sign_tsig() has the ability to use a custom signing
+# function (specified by calling Packet->sign_func()).  We use this
+# function as the signing function for TCP continuations, and it removes
+# the unwanted data from the digest before calling the default sign_hmac
+# function.
+sub sign_tcp_continuation {
+	my ($key, $data) = @_;
+
+	# copy out first two bytes: size of the previous MAC
+	my $rmacsize = unpack("n", $data);
+	$data = substr($data, 2);
+
+	# copy out previous MAC
+	my $rmac = substr($data, 0, $rmacsize);
+	$data = substr($data, $rmacsize);
+
+	# try parsing out the packet information
+	my $plen = packetlen($data);
+	my $pdata = substr($data, 0, $plen);
+	$data = substr($data, $plen);
+
+	# remove the keyname, ttl, class, and algorithm name
+	$data = substr($data, namelen($data));
+	$data = substr($data, 6);
+	$data = substr($data, namelen($data));
+
+	# preserve the TSIG data
+	my $tdata = substr($data, 0, 8);
+
+	# prepare a new digest and sign with it
+	$data = pack("n", $rmacsize) . $rmac . $pdata . $tdata;
+	return Net::DNS::RR::TSIG::sign_hmac($key, $data);
+}
+
+sub handleTCP {
+	my ($buf) = @_;
+	my $request;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$request = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($request, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	my @questions = $request->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+	my $qclass = $questions[0]->qclass;
+	my $id = $request->header->id;
+
+	my $opaque;
+
+	my $packet = new Net::DNS::Packet($qname, $qtype, $qclass);
+	$packet->header->qr(1);
+	$packet->header->aa(1);
+	$packet->header->id($id);
+
+	# get the existing signature if any, and clear the additional section
+	my $prev_tsig;
+	my $signer;
+	my $continuation = 0;
+	if ($Net::DNS::VERSION < 0.81) {
+		while (my $rr = $request->pop("additional")) {
+			if ($rr->type eq "TSIG") {
+				$prev_tsig = $rr;
+			}
+		}
+	}
+
+	my @results = ();
+	my $count_these = 0;
+
+	my $r;
+        my $answers = 0;
+        my $match;
+        my $key_name;
+        my $key_data;
+        my $tname;
+	foreach $r (@rules) {
+		my $pattern = $r->{pattern};
+		my($match, $key_name, $key_data, $tname) = split(/ /,$pattern);
+		print "[handleTCP] $match, $key_name, $key_data, $tname \n";
+                $match =~ tr/\// /;
+		if ("$qname $qtype" =~ /$match/) {
+			$count_these++;
+			my $a;
+			foreach $a (@{$r->{answer}}) {
+                                my $resp;
+                                $resp = new Net::DNS::RR("$qname $a");
+				$packet->push("answer", $resp);
+                                ++$answers;
+			}
+                        last;
+                }
+        }
+        if ($answers eq 0) {
+                my $soa;
+                $soa = new Net::DNS::RR("$qname 300 SOA . . 0 0 0 0 0");
+                $packet->push("authority", $soa)
+        }
+        if (defined($key_name) && $key_name eq "bad-id") {
+                $packet->header->id(($id+50)%0xffff);
+                $key_name = $key_data;
+                ($key_data, $tname) = split(/ /,$tname)
+        }
+        if (defined($key_name) && defined($key_data)) {
+                my $tsig;
+                # sign the packet
+                print "  Signing the data with " .
+                      "$key_name/$key_data\n";
+
+                if ($Net::DNS::VERSION < 0.69) {
+                        $tsig = Net::DNS::RR->new(
+                                   "$key_name TSIG $key_data");
+                } elsif ($Net::DNS::VERSION >= 0.81 &&
+                         $continuation) {
+                } elsif ($Net::DNS::VERSION >= 0.75 &&
+                         $continuation) {
+                        $tsig = $prev_tsig;
+                } else {
+                        $tsig = Net::DNS::RR->new(
+                                        name => $key_name,
+                                        type => 'TSIG',
+                                        key  => $key_data);
+                }
+
+                # These kluges are necessary because Net::DNS
+                # doesn't know how to sign responses.  We
+                # clear compnames so that the TSIG key and
+                # algorithm name won't be compressed, and
+                # add one to arcount because the signing
+                # function will attempt to decrement it,
+                # which is incorrect in a response. Finally
+                # we set request_mac to the previous digest.
+                $packet->{"compnames"} = {}
+                        if ($Net::DNS::VERSION < 0.70);
+                $packet->{"header"}{"arcount"} += 1
+                        if ($Net::DNS::VERSION < 0.70);
+                if (defined($prev_tsig)) {
+                        if ($Net::DNS::VERSION < 0.73) {
+                                my $rmac = pack('n H*',
+                                        length($prev_tsig->mac)/2,
+                                        $prev_tsig->mac);
+                                $tsig->{"request_mac"} =
+                                        unpack("H*", $rmac);
+                        } elsif ($Net::DNS::VERSION < 0.81) {
+                                $tsig->request_mac(
+                                         $prev_tsig->mac);
+                        }
+                }
+
+                $tsig->sign_func($signer) if defined($signer);
+                $tsig->continuation($continuation) if
+                         ($Net::DNS::VERSION >= 0.71 &&
+                          $Net::DNS::VERSION <= 0.74 );
+                if ($Net::DNS::VERSION < 0.81) {
+                        $packet->sign_tsig($tsig);
+                } elsif ($continuation) {
+                        $opaque = $packet->sign_tsig($opaque);
+                } else {
+                        $opaque = $packet->sign_tsig($request);
+                }
+                $signer = \&sign_tcp_continuation
+                        if ($Net::DNS::VERSION < 0.70);
+                $continuation = 1;
+
+                my $copy =
+                        Net::DNS::Packet->new(\($packet->data));
+                $prev_tsig = $copy->pop("additional");
+        }
+
+        #$packet->print;
+        push(@results,$packet->data);
+        if ($tname eq "") {
+                $tname = $qname;
+        }
+        $packet = new Net::DNS::Packet($tname, $qtype, $qclass);
+        $packet->header->qr(1);
+        $packet->header->aa(1);
+        $packet->header->id($id);
+	print " A total of $count_these patterns matched\n";
+	return \@results;
+}
+
+# Main
+my $rin;
+my $rout;
+for (;;) {
+	$rin = '';
+	vec($rin, fileno($ctlsock), 1) = 1;
+	vec($rin, fileno($tcpsock), 1) = 1;
+	vec($rin, fileno($udpsock), 1) = 1;
+
+	select($rout = $rin, undef, undef, undef);
+
+	if (vec($rout, fileno($ctlsock), 1)) {
+		warn "ctl conn";
+		my $conn = $ctlsock->accept;
+		my $rule = ();
+		@rules = ();
+		while (my $line = $conn->getline) {
+			chomp $line;
+			if ($line =~ m!^/(.*)/$!) {
+				if (length($1) == 0) {
+					$udphandler = sub { return; };
+					$tcphandler = sub { return; };
+				} else {
+					$udphandler = \&handleUDP;
+					$tcphandler = \&handleTCP;
+					$rule = { pattern => $1, answer => [] };
+					push(@rules, $rule);
+				}
+			} else {
+                                push(@{$rule->{answer}}, $line);
+			}
+		}
+		$conn->close;
+		#print Dumper(@rules);
+		#print "+=+=+ $rules[0]->{'pattern'}\n";
+		#print "+=+=+ $rules[0]->{'answer'}->[0]->{'rname'}\n";
+		#print "+=+=+ $rules[0]->{'answer'}->[0]\n";
+	} elsif (vec($rout, fileno($udpsock), 1)) {
+		printf "UDP request\n";
+		my $buf;
+		$udpsock->recv($buf, 512);
+		my $result = &$udphandler($buf);
+		if (defined($result)) {
+			my $num_chars = $udpsock->send($result);
+			print "  Sent $num_chars bytes via UDP\n";
+		}
+	} elsif (vec($rout, fileno($tcpsock), 1)) {
+		my $conn = $tcpsock->accept;
+		my $buf;
+		for (;;) {
+			my $lenbuf;
+			my $n = $conn->sysread($lenbuf, 2);
+			last unless $n == 2;
+			my $len = unpack("n", $lenbuf);
+			$n = $conn->sysread($buf, $len);
+			last unless $n == $len;
+			print "TCP request\n";
+			my $result = &$tcphandler($buf);
+			if (defined($result)) {
+				foreach my $response (@$result) {
+					$len = length($response);
+					$n = $conn->syswrite(pack("n", $len), 2);
+					$n = $conn->syswrite($response, $len);
+					print "    Sent: $n chars via TCP\n";
+				}
+			}
+		}
+		$conn->close;
+	}
+}
diff --git a/bin/tests/system/forward/clean.sh b/bin/tests/system/forward/clean.sh
new file mode 100644
index 0000000..6d76bb0
--- /dev/null
+++ b/bin/tests/system/forward/clean.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after forward tests.
+#
+rm -f ./dig.out.*
+rm -f ./*/named.conf
+rm -f ./*/named.memstats
+rm -f ./*/named.run ./*/named.run.prev ./*/ans.run
+rm -f ./*/named_dump.db
+rm -f ./ns*/named.lock
+rm -f ./ns*/managed-keys.bind*
+rm -f ./ns1/root.db ./ns1/root.db.signed
+rm -f ./ns*/trusted.conf
+rm -f ./ns1/K* ./ns1/dsset-*
diff --git a/bin/tests/system/forward/ns1/diditwork.net.db b/bin/tests/system/forward/ns1/diditwork.net.db
new file mode 100644
index 0000000..fd9a46e
--- /dev/null
+++ b/bin/tests/system/forward/ns1/diditwork.net.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+			TXT	"recursed"
+ns			A	10.53.0.1
diff --git a/bin/tests/system/forward/ns1/example.db b/bin/tests/system/forward/ns1/example.db
new file mode 100644
index 0000000..aac1bef
--- /dev/null
+++ b/bin/tests/system/forward/ns1/example.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+
+txt			TXT	"recursed"
diff --git a/bin/tests/system/forward/ns1/named.conf.in b/bin/tests/system/forward/ns1/named.conf.in
new file mode 100644
index 0000000..f871fd6
--- /dev/null
+++ b/bin/tests/system/forward/ns1/named.conf.in
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	query-source-v6 address fd92:7065:b8e:ffff::1;
+	notify-source 10.53.0.1;
+	notify-source-v6 fd92:7065:b8e:ffff::1;
+	transfer-source 10.53.0.1;
+	transfer-source-v6 fd92:7065:b8e:ffff::1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { fd92:7065:b8e:ffff::1; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+zone "example1." {
+	type primary;
+	file "example.db";
+};
+
+zone "example2." {
+	type primary;
+	file "example.db";
+};
+
+zone "example3." {
+	type primary;
+	file "example.db";
+};
+
+zone "example4." {
+	type primary;
+	file "example.db";
+};
+
+zone "example5." {
+	type primary;
+	file "example.db";
+};
+
+zone "sld.tld" {
+	type primary;
+	file "sld.tld.db";
+};
+
+/* A forward zone without forwarders. */
+zone "example6" {
+	type forward;
+};
+
+zone "diditwork.net" {
+	type primary;
+	file "diditwork.net.db";
+};
+
+zone "spoofed.net" {
+	type primary;
+	file "spoofed.net.db";
+};
+
+zone "sub.local.net" {
+	type primary;
+	file "sub.local.net.db";
+};
+
+zone "net.example.lll" {
+	type master;
+	file "net.example.lll";
+};
diff --git a/bin/tests/system/forward/ns1/net.example.lll b/bin/tests/system/forward/ns1/net.example.lll
new file mode 100644
index 0000000..ba0804f
--- /dev/null
+++ b/bin/tests/system/forward/ns1/net.example.lll
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+net.example.lll.		SOA	. . 0 0 0 0 0
+net.example.lll.		NS	attackSecureDomain.net.
+didItWork.net.example.lll.	TXT	"if you can see this record the attack worked"
diff --git a/bin/tests/system/forward/ns1/root.db.in b/bin/tests/system/forward/ns1/root.db.in
new file mode 100644
index 0000000..95ffac3
--- /dev/null
+++ b/bin/tests/system/forward/ns1/root.db.in
@@ -0,0 +1,36 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example1		NS	ns.example1
+ns.example1		A	10.53.0.1
+
+example2		NS	ns.example2
+ns.example2		A	10.53.0.1
+
+example3		NS	ns.example3
+ns.example3		A	10.53.0.1
+
+example7		NS	ns.example7
+ns.example7		A	10.53.0.2
+
+tld			NS	ns.tld
+ns.tld			A	10.53.0.2
diff --git a/bin/tests/system/forward/ns1/sign.sh b/bin/tests/system/forward/ns1/sign.sh
new file mode 100644
index 0000000..0888c5f
--- /dev/null
+++ b/bin/tests/system/forward/ns1/sign.sh
@@ -0,0 +1,34 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+echo_i "ns1/sign.sh"
+
+ksk=$("$KEYGEN" -q -fk -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+zsk=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$ksk.key" "$zsk.key" > "$zonefile"
+
+"$SIGNER" -P -g -o "$zone" "$zonefile" > /dev/null 2>&1
+
+# Configure the resolving server with a static key.
+keyfile_to_static_ds "$ksk" > trusted.conf
+cp trusted.conf ../ns3/trusted.conf
diff --git a/bin/tests/system/forward/ns1/sld.tld.db b/bin/tests/system/forward/ns1/sld.tld.db
new file mode 100644
index 0000000..f0d4b05
--- /dev/null
+++ b/bin/tests/system/forward/ns1/sld.tld.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+xxx			TXT	"foo"
diff --git a/bin/tests/system/forward/ns1/spoofed.net.db b/bin/tests/system/forward/ns1/spoofed.net.db
new file mode 100644
index 0000000..eedc46f
--- /dev/null
+++ b/bin/tests/system/forward/ns1/spoofed.net.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+sub			TXT	"recursed"
diff --git a/bin/tests/system/forward/ns1/sub.local.net.db b/bin/tests/system/forward/ns1/sub.local.net.db
new file mode 100644
index 0000000..fd9a46e
--- /dev/null
+++ b/bin/tests/system/forward/ns1/sub.local.net.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+			TXT	"recursed"
+ns			A	10.53.0.1
diff --git a/bin/tests/system/forward/ns10/fakenet.zone b/bin/tests/system/forward/ns10/fakenet.zone
new file mode 100644
index 0000000..b655a32
--- /dev/null
+++ b/bin/tests/system/forward/ns10/fakenet.zone
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+net.			SOA	. . 0 0 0 0 0
+net.			NS	attackSecureDomain.net.
+attackSecureDomain.net.	A	10.53.0.10
+didItWork.net.		TXT	"if you can see this record the attack worked"
+ns.spoofed.net.		A	10.53.0.10
diff --git a/bin/tests/system/forward/ns10/fakenet2.zone b/bin/tests/system/forward/ns10/fakenet2.zone
new file mode 100644
index 0000000..cd1e6e9
--- /dev/null
+++ b/bin/tests/system/forward/ns10/fakenet2.zone
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+net2.			SOA	. . 0 0 0 0 0
+net2.			NS	attackSecureDomain.net.
+net2.			DNAME	net.example.lll.
diff --git a/bin/tests/system/forward/ns10/fakesublocalnet.zone b/bin/tests/system/forward/ns10/fakesublocalnet.zone
new file mode 100644
index 0000000..160b533
--- /dev/null
+++ b/bin/tests/system/forward/ns10/fakesublocalnet.zone
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+sub.local.net.		SOA	. . 0 0 0 0 0
+sub.local.net.		NS	ns.spoofed.net.
+sub.local.net.		TXT	"if you see this attacker overrode local delegation"
diff --git a/bin/tests/system/forward/ns10/fakesublocaltld.zone b/bin/tests/system/forward/ns10/fakesublocaltld.zone
new file mode 100644
index 0000000..f78cbc7
--- /dev/null
+++ b/bin/tests/system/forward/ns10/fakesublocaltld.zone
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+sub.local.tld.		3600	IN	SOA	. . 0 0 0 0 0
+sub.local.tld.		3600	IN	NS	ns.sub.local.tld.
+sub.local.tld.		3600	IN	TXT	bad
+ns.sub.local.tld.	3600	IN	A	10.53.0.8
diff --git a/bin/tests/system/forward/ns10/named.conf.in b/bin/tests/system/forward/ns10/named.conf.in
new file mode 100644
index 0000000..8148d9e
--- /dev/null
+++ b/bin/tests/system/forward/ns10/named.conf.in
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.10;
+	notify-source 10.53.0.10;
+	transfer-source 10.53.0.10;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.10; };
+	listen-on-v6 { none; };
+	minimal-responses no;
+	dnssec-validation no;
+};
+
+zone "net." {
+	type master;
+	file "fakenet.zone";
+};
+
+zone "spoofed.net." {
+	type master;
+	file "spoofednet.zone";
+};
+
+zone "sub.local.net." {
+	type master;
+	file "fakesublocalnet.zone";
+};
+
+zone "net2" {
+	type master;
+	file "fakenet2.zone";
+};
+
+zone "net.example.lll" {
+	type master;
+	file "net.example.lll";
+};
+
+zone "sub.local.tld." {
+	type master;
+	file "fakesublocaltld.zone";
+};
diff --git a/bin/tests/system/forward/ns10/net.example.lll b/bin/tests/system/forward/ns10/net.example.lll
new file mode 100644
index 0000000..ba0804f
--- /dev/null
+++ b/bin/tests/system/forward/ns10/net.example.lll
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+net.example.lll.		SOA	. . 0 0 0 0 0
+net.example.lll.		NS	attackSecureDomain.net.
+didItWork.net.example.lll.	TXT	"if you can see this record the attack worked"
diff --git a/bin/tests/system/forward/ns10/spoofednet.zone b/bin/tests/system/forward/ns10/spoofednet.zone
new file mode 100644
index 0000000..fb70a43
--- /dev/null
+++ b/bin/tests/system/forward/ns10/spoofednet.zone
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+spoofed.net.		SOA	. . 0 0 0 0 0
+spoofed.net.		NS	ns.spoofed.net.
+ns.spoofed.net.		A	10.53.0.10
+spoofed.net.		TXT	"this record is clearly spoofed"
diff --git a/bin/tests/system/forward/ns2/example.db b/bin/tests/system/forward/ns2/example.db
new file mode 100644
index 0000000..df3e52c
--- /dev/null
+++ b/bin/tests/system/forward/ns2/example.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+
+txt			TXT	"forwarded"
diff --git a/bin/tests/system/forward/ns2/named.conf.in b/bin/tests/system/forward/ns2/named.conf.in
new file mode 100644
index 0000000..f9a081a
--- /dev/null
+++ b/bin/tests/system/forward/ns2/named.conf.in
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	query-source-v6 address fd92:7065:b8e:ffff::2;
+	notify-source 10.53.0.2;
+	notify-source-v6 fd92:7065:b8e:ffff::2;
+	transfer-source 10.53.0.2;
+	transfer-source-v6 fd92:7065:b8e:ffff::2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
+
+zone "example1." {
+	type primary;
+	file "example.db";
+};
+
+zone "example2." {
+	type primary;
+	file "example.db";
+};
+
+zone "example3." {
+	type primary;
+	file "example.db";
+};
+
+zone "example4." {
+	type primary;
+	file "example.db";
+};
+
+zone "example7." {
+	type primary;
+	file "example.db";
+};
+
+zone "grafted." {
+	type primary;
+	file "example.db";
+};
+
+zone "1.0.10.in-addr.arpa." {
+	type primary;
+	file "example.db";
+};
+
+zone "tld" {
+	type primary;
+	file "tld.db";
+};
diff --git a/bin/tests/system/forward/ns2/root.db b/bin/tests/system/forward/ns2/root.db
new file mode 100644
index 0000000..7108723
--- /dev/null
+++ b/bin/tests/system/forward/ns2/root.db
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example1		NS	ns.example1
+ns.example1		A	10.53.0.1
+
+example2		NS	ns.example2
+ns.example2		A	10.53.0.1
+
+example3		NS	ns.example3
+ns.example3		A	10.53.0.1
diff --git a/bin/tests/system/forward/ns2/tld.db b/bin/tests/system/forward/ns2/tld.db
new file mode 100644
index 0000000..965f2a4
--- /dev/null
+++ b/bin/tests/system/forward/ns2/tld.db
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.2
+sld			NS	ns.sld
+ns.sld			A	10.53.0.1
+local			NS	ns.local
+ns.local		A	10.53.0.9
+sibling			NS	ns.sibling
+ns.sibling		A	10.53.0.4
+sibling			NS	ns.sub.local
+ns.sub.local		A	10.53.0.10
diff --git a/bin/tests/system/forward/ns3/named1.conf.in b/bin/tests/system/forward/ns3/named1.conf.in
new file mode 100644
index 0000000..ffc0718
--- /dev/null
+++ b/bin/tests/system/forward/ns3/named1.conf.in
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	query-source-v6 address fd92:7065:b8e:ffff::3;
+	notify-source 10.53.0.3;
+	notify-source-v6 fd92:7065:b8e:ffff::3;
+	transfer-source 10.53.0.3;
+	transfer-source-v6 fd92:7065:b8e:ffff::3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { fd92:7065:b8e:ffff::3; };
+	forwarders { fd92:7065:b8e:ffff::2; };
+	forward first;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
+
+zone "example1." {
+	type forward;
+	forward first;
+	forwarders { 10.53.0.2; };
+};
+
+zone "example2." {
+	type forward;
+	forward first;
+	forwarders { };
+};
+
+zone "example3." {
+	type forward;
+	forward only;
+	forwarders { };
+};
+
+zone "example7." {
+	type forward;
+	forward first;
+	forwarders { 10.53.0.6; };
+};
diff --git a/bin/tests/system/forward/ns3/named2.conf.in b/bin/tests/system/forward/ns3/named2.conf.in
new file mode 100644
index 0000000..986a60e
--- /dev/null
+++ b/bin/tests/system/forward/ns3/named2.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	query-source-v6 address fd92:7065:b8e:ffff::3;
+	notify-source 10.53.0.3;
+	notify-source-v6 fd92:7065:b8e:ffff::3;
+	transfer-source 10.53.0.3;
+	transfer-source-v6 fd92:7065:b8e:ffff::3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { fd92:7065:b8e:ffff::3; };
+	forwarders { 10.53.0.6; };
+	dnssec-validation yes;
+};
+
+include "trusted.conf";
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
diff --git a/bin/tests/system/forward/ns3/root.db b/bin/tests/system/forward/ns3/root.db
new file mode 100644
index 0000000..7108723
--- /dev/null
+++ b/bin/tests/system/forward/ns3/root.db
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example1		NS	ns.example1
+ns.example1		A	10.53.0.1
+
+example2		NS	ns.example2
+ns.example2		A	10.53.0.1
+
+example3		NS	ns.example3
+ns.example3		A	10.53.0.1
diff --git a/bin/tests/system/forward/ns3/root2.db b/bin/tests/system/forward/ns3/root2.db
new file mode 100644
index 0000000..40586f0
--- /dev/null
+++ b/bin/tests/system/forward/ns3/root2.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.11
diff --git a/bin/tests/system/forward/ns4/malicious.db b/bin/tests/system/forward/ns4/malicious.db
new file mode 100644
index 0000000..e4859c1
--- /dev/null
+++ b/bin/tests/system/forward/ns4/malicious.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL    86400
+@       IN      SOA     malicious. admin.malicious. (
+                              1         ; Serial
+                         604800         ; Refresh
+                          86400         ; Retry
+                        2419200         ; Expire
+                          86400 )       ; Negative Cache TTL
+
+@           IN    NS      ns
+
+ns          IN    A       10.53.0.4
+
+target      IN    CNAME   subdomain.rebind.
diff --git a/bin/tests/system/forward/ns4/named.conf.in b/bin/tests/system/forward/ns4/named.conf.in
new file mode 100644
index 0000000..c97823d
--- /dev/null
+++ b/bin/tests/system/forward/ns4/named.conf.in
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	minimal-responses yes;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
+
+zone "example1." {
+	type forward;
+	forward first;
+	forwarders { 10.53.0.2; };
+};
+
+zone "example3." {
+	type forward;
+	forwarders { 10.53.0.2; };
+};
+
+zone "example5." {
+	type forward;
+	forward only;
+	forwarders { 10.53.0.2; };
+};
+
+zone "1.0.10.in-addr.arpa" {
+	type forward;
+	forward only;
+	forwarders { 10.53.0.2; };
+};
+
+zone "grafted" {
+	type forward;
+	forward only;
+	forwarders { 10.53.0.2; };
+};
+
+zone "malicious." {
+	type primary;
+	file "malicious.db";
+};
+
+zone "sibling.tld" {
+	type primary;
+	file "sibling.tld.db";
+};
diff --git a/bin/tests/system/forward/ns4/root.db b/bin/tests/system/forward/ns4/root.db
new file mode 100644
index 0000000..7108723
--- /dev/null
+++ b/bin/tests/system/forward/ns4/root.db
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example1		NS	ns.example1
+ns.example1		A	10.53.0.1
+
+example2		NS	ns.example2
+ns.example2		A	10.53.0.1
+
+example3		NS	ns.example3
+ns.example3		A	10.53.0.1
diff --git a/bin/tests/system/forward/ns4/sibling.tld.db b/bin/tests/system/forward/ns4/sibling.tld.db
new file mode 100644
index 0000000..fe080ae
--- /dev/null
+++ b/bin/tests/system/forward/ns4/sibling.tld.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL    86400
+@       IN      SOA     malicious. admin.malicious. (
+                              1         ; Serial
+                         604800         ; Refresh
+                          86400         ; Retry
+                        2419200         ; Expire
+                          86400 )       ; Negative Cache TTL
+
+@           IN    NS      ns
+
+ns          IN    A       10.53.0.4
diff --git a/bin/tests/system/forward/ns5/named.conf.in b/bin/tests/system/forward/ns5/named.conf.in
new file mode 100644
index 0000000..024f49b
--- /dev/null
+++ b/bin/tests/system/forward/ns5/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	forward only;
+	forwarders { 10.53.0.4; };
+	deny-answer-aliases { "rebind"; };
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
+
+zone "rebind" {
+	type primary;
+	file "rebind.db";
+};
diff --git a/bin/tests/system/forward/ns5/rebind.db b/bin/tests/system/forward/ns5/rebind.db
new file mode 100644
index 0000000..aed6c2e
--- /dev/null
+++ b/bin/tests/system/forward/ns5/rebind.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL    86400
+@       IN      SOA     rebind. admin.rebind. (
+                              1         ; Serial
+                         604800         ; Refresh
+                          86400         ; Retry
+                        2419200         ; Expire
+                          86400 )       ; Negative Cache TTL
+
+@           IN    NS    ns
+
+ns          IN    A     10.53.0.5
+
+subdomain   IN    A     10.53.0.1
diff --git a/bin/tests/system/forward/ns5/root.db b/bin/tests/system/forward/ns5/root.db
new file mode 100644
index 0000000..7108723
--- /dev/null
+++ b/bin/tests/system/forward/ns5/root.db
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example1		NS	ns.example1
+ns.example1		A	10.53.0.1
+
+example2		NS	ns.example2
+ns.example2		A	10.53.0.1
+
+example3		NS	ns.example3
+ns.example3		A	10.53.0.1
diff --git a/bin/tests/system/forward/ns7/named.conf.in b/bin/tests/system/forward/ns7/named.conf.in
new file mode 100644
index 0000000..302bb55
--- /dev/null
+++ b/bin/tests/system/forward/ns7/named.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	forwarders { 10.53.0.4; };
+	forward first;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
diff --git a/bin/tests/system/forward/ns7/root.db b/bin/tests/system/forward/ns7/root.db
new file mode 100644
index 0000000..7108723
--- /dev/null
+++ b/bin/tests/system/forward/ns7/root.db
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example1		NS	ns.example1
+ns.example1		A	10.53.0.1
+
+example2		NS	ns.example2
+ns.example2		A	10.53.0.1
+
+example3		NS	ns.example3
+ns.example3		A	10.53.0.1
diff --git a/bin/tests/system/forward/ns8/named.conf.in b/bin/tests/system/forward/ns8/named.conf.in
new file mode 100644
index 0000000..2de656f
--- /dev/null
+++ b/bin/tests/system/forward/ns8/named.conf.in
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.8;
+	notify-source 10.53.0.8;
+	transfer-source 10.53.0.8;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.8; };
+	listen-on-v6 { none; };
+	forwarders { 10.53.0.2; };	// returns referrals
+	forward first;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
+
+zone "sub.local.tld" {
+	type primary;
+	file "sub.local.tld.db";
+};
diff --git a/bin/tests/system/forward/ns8/root.db b/bin/tests/system/forward/ns8/root.db
new file mode 100644
index 0000000..2cbdff5
--- /dev/null
+++ b/bin/tests/system/forward/ns8/root.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
diff --git a/bin/tests/system/forward/ns8/sub.local.tld.db b/bin/tests/system/forward/ns8/sub.local.tld.db
new file mode 100644
index 0000000..f2234c7
--- /dev/null
+++ b/bin/tests/system/forward/ns8/sub.local.tld.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+sub.local.tld.		3600	IN	SOA	. . 0 0 0 0 0
+sub.local.tld.		3600	IN	NS	ns.sub.local.tld.
+sub.local.tld.		3600	IN	TXT	good
+ns.sub.local.tld.	3600	IN	A	10.53.0.8
diff --git a/bin/tests/system/forward/ns9/local.net.db b/bin/tests/system/forward/ns9/local.net.db
new file mode 100644
index 0000000..af0d2a5
--- /dev/null
+++ b/bin/tests/system/forward/ns9/local.net.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+local.net.		3600	IN	SOA	. . 0 0 0 0 0
+local.net.		3600	IN	NS	localhost.
+ns.local.net.		3600	IN	A	10.53.0.9
+txt.local.net.		3600	IN	TXT	"something in the local auth zone"
+sub.local.net.		3600	IN	NS	ns.spoofed.net.  ; attacker will try to override this
diff --git a/bin/tests/system/forward/ns9/local.tld.db b/bin/tests/system/forward/ns9/local.tld.db
new file mode 100644
index 0000000..876a913
--- /dev/null
+++ b/bin/tests/system/forward/ns9/local.tld.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+local.tld.		3600	IN	SOA	. . 0 0 0 0 0
+local.tld.		3600	IN	NS	localhost.
+sub.local.tld.		3600	IN	NS	ns.sub.local.tld.
+ns.sub.local.tld.	3600	IN	A	10.53.0.8
diff --git a/bin/tests/system/forward/ns9/named1.conf.in b/bin/tests/system/forward/ns9/named1.conf.in
new file mode 100644
index 0000000..54fed8f
--- /dev/null
+++ b/bin/tests/system/forward/ns9/named1.conf.in
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.9;
+	notify-source 10.53.0.9;
+	transfer-source 10.53.0.9;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.9; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	edns-udp-size 1232;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.9 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+server 10.53.0.10 {
+	edns no;
+};
+
+server 10.53.0.11 {
+	edns no;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
+
+zone "attacksecuredomain.net." {
+	type forward;
+	forwarders { 10.53.0.10; };
+};
+
+zone "attacksecuredomain.net2." {
+	type forward;
+	forwarders { 10.53.0.10; };
+};
+
+zone "attacksecuredomain.net3." {
+	type forward;
+	forwarders { 10.53.0.11; };
+};
+
+zone "local.net." {
+	type primary;
+	file "local.net.db";
+	forwarders {};
+};
diff --git a/bin/tests/system/forward/ns9/named2.conf.in b/bin/tests/system/forward/ns9/named2.conf.in
new file mode 100644
index 0000000..34f7eea
--- /dev/null
+++ b/bin/tests/system/forward/ns9/named2.conf.in
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.9;
+	notify-source 10.53.0.9;
+	transfer-source 10.53.0.9;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.9; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	edns-udp-size 1232;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.9 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+server 10.53.0.10 {
+	edns no;
+};
+
+server 10.53.0.11 {
+	edns no;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
+
+zone "attacksecuredomain.net." {
+	type forward;
+	forward only;
+	forwarders { 10.53.0.10; };
+};
+
+zone "attacksecuredomain.net2." {
+	type forward;
+	forward only;
+	forwarders { 10.53.0.10; };
+};
+
+zone "attacksecuredomain.net3." {
+	type forward;
+	forward only;
+	forwarders { 10.53.0.11; };
+};
+
+zone "local.net." {
+	type primary;
+	file "local.net.db";
+	forwarders {};
+};
diff --git a/bin/tests/system/forward/ns9/named3.conf.in b/bin/tests/system/forward/ns9/named3.conf.in
new file mode 100644
index 0000000..c07281f
--- /dev/null
+++ b/bin/tests/system/forward/ns9/named3.conf.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.9;
+	notify-source 10.53.0.9;
+	transfer-source 10.53.0.9;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.9; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	edns-udp-size 1232;
+	forward only;
+	forwarders { 10.53.0.10; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.9 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+server 10.53.0.10 {
+	edns no;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
+
+zone "local.net." {
+	type primary;
+	file "local.net.db";
+	forwarders {};
+};
diff --git a/bin/tests/system/forward/ns9/named4.conf.in b/bin/tests/system/forward/ns9/named4.conf.in
new file mode 100644
index 0000000..c06b361
--- /dev/null
+++ b/bin/tests/system/forward/ns9/named4.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.9;
+	notify-source 10.53.0.9;
+	transfer-source 10.53.0.9;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.9; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	edns-udp-size 1232;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.9 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+server 10.53.0.10 {
+	edns no;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
+
+zone "local.tld." {
+	type primary;
+	file "local.tld.db";
+};
diff --git a/bin/tests/system/forward/ns9/root.db b/bin/tests/system/forward/ns9/root.db
new file mode 100644
index 0000000..2cbdff5
--- /dev/null
+++ b/bin/tests/system/forward/ns9/root.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
diff --git a/bin/tests/system/forward/rfc1918-inherited.conf b/bin/tests/system/forward/rfc1918-inherited.conf
new file mode 100644
index 0000000..66569dc
--- /dev/null
+++ b/bin/tests/system/forward/rfc1918-inherited.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone 10.in-addr.arpa {
+	type forward;
+	forwarders { 1.2.3.4; };
+};
diff --git a/bin/tests/system/forward/rfc1918-notinherited.conf b/bin/tests/system/forward/rfc1918-notinherited.conf
new file mode 100644
index 0000000..d6d5c2d
--- /dev/null
+++ b/bin/tests/system/forward/rfc1918-notinherited.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone 10.in-addr.arpa {
+	type forward;
+	forward first;
+	forwarders { 1.2.3.4; };
+};
diff --git a/bin/tests/system/forward/setup.sh b/bin/tests/system/forward/setup.sh
new file mode 100644
index 0000000..09624ca
--- /dev/null
+++ b/bin/tests/system/forward/setup.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named1.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+copy_setports ns8/named.conf.in ns8/named.conf
+copy_setports ns9/named1.conf.in ns9/named.conf
+copy_setports ns10/named.conf.in ns10/named.conf
+
+(
+    cd ns1
+    $SHELL sign.sh
+)
diff --git a/bin/tests/system/forward/tests.sh b/bin/tests/system/forward/tests.sh
new file mode 100644
index 0000000..4037f22
--- /dev/null
+++ b/bin/tests/system/forward/tests.sh
@@ -0,0 +1,406 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+#shellcheck source=conf.sh
+. ../conf.sh
+
+dig_with_opts() (
+	"$DIG" -p "$PORT" "$@"
+)
+
+sendcmd() (
+	send "$1" "$EXTRAPORT1"
+)
+
+rndccmd() {
+    "$RNDC" -c ../common/rndc.conf -p "$CONTROLPORT" -s "$@"
+}
+
+root=10.53.0.1
+hidden=10.53.0.2
+f1=10.53.0.3
+f2=10.53.0.4
+
+status=0
+n=0
+
+n=$((n+1))
+echo_i "checking that a forward zone overrides global forwarders ($n)"
+ret=0
+dig_with_opts +noadd +noauth txt.example1. txt @$hidden > dig.out.$n.hidden || ret=1
+dig_with_opts +noadd +noauth txt.example1. txt @$f1 > dig.out.$n.f1 || ret=1
+digcomp dig.out.$n.hidden dig.out.$n.f1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that a forward first zone no forwarders recurses ($n)"
+ret=0
+dig_with_opts +noadd +noauth txt.example2. txt @$root > dig.out.$n.root || ret=1
+dig_with_opts +noadd +noauth txt.example2. txt @$f1 > dig.out.$n.f1 || ret=1
+digcomp dig.out.$n.root dig.out.$n.f1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that a forward only zone no forwarders fails ($n)"
+ret=0
+dig_with_opts +noadd +noauth txt.example2. txt @$root > dig.out.$n.root || ret=1
+dig_with_opts +noadd +noauth txt.example2. txt @$f1 > dig.out.$n.f1 || ret=1
+digcomp dig.out.$n.root dig.out.$n.f1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that global forwarders work ($n)"
+ret=0
+dig_with_opts +noadd +noauth txt.example4. txt @$hidden > dig.out.$n.hidden || ret=1
+dig_with_opts +noadd +noauth txt.example4. txt @$f1 > dig.out.$n.f1 || ret=1
+digcomp dig.out.$n.hidden dig.out.$n.f1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that a forward zone works ($n)"
+ret=0
+dig_with_opts +noadd +noauth txt.example1. txt @$hidden > dig.out.$n.hidden || ret=1
+dig_with_opts +noadd +noauth txt.example1. txt @$f2 > dig.out.$n.f2 || ret=1
+digcomp dig.out.$n.hidden dig.out.$n.f2 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that forwarding doesn't spontaneously happen ($n)"
+ret=0
+dig_with_opts +noadd +noauth txt.example2. txt @$root > dig.out.$n.root || ret=1
+dig_with_opts +noadd +noauth txt.example2. txt @$f2 > dig.out.$n.f2 || ret=1
+digcomp dig.out.$n.root dig.out.$n.f2 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that a forward zone with no specified policy works ($n)"
+ret=0
+dig_with_opts +noadd +noauth txt.example3. txt @$hidden > dig.out.$n.hidden || ret=1
+dig_with_opts +noadd +noauth txt.example3. txt @$f2 > dig.out.$n.f2 || ret=1
+digcomp dig.out.$n.hidden dig.out.$n.f2 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that a forward only doesn't recurse ($n)"
+ret=0
+dig_with_opts txt.example5. txt @$f2 > dig.out.$n.f2 || ret=1
+grep "SERVFAIL" dig.out.$n.f2 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking for negative caching of forwarder response ($n)"
+# prime the cache, shutdown the forwarder then check that we can
+# get the answer from the cache.  restart forwarder.
+ret=0
+dig_with_opts nonexist. txt @10.53.0.5 > dig.out.$n.f2 || ret=1
+grep "status: NXDOMAIN" dig.out.$n.f2 > /dev/null || ret=1
+stop_server ns4 || ret=1
+dig_with_opts nonexist. txt @10.53.0.5 > dig.out.$n.f2 || ret=1
+grep "status: NXDOMAIN" dig.out.$n.f2 > /dev/null || ret=1
+start_server --restart --noclean --port "${PORT}" ns4 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+check_override() (
+    dig_with_opts 1.0.10.in-addr.arpa TXT @10.53.0.4 > dig.out.$n.f2 &&
+    grep "status: NOERROR" dig.out.$n.f2 > /dev/null &&
+    dig_with_opts 2.0.10.in-addr.arpa TXT @10.53.0.4 > dig.out.$n.f2 &&
+    grep "status: NXDOMAIN" dig.out.$n.f2 > /dev/null
+)
+
+n=$((n+1))
+echo_i "checking that forward only zone overrides empty zone ($n)"
+ret=0
+# retry loop in case the server restart above causes transient failure
+retry_quiet 10 check_override || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that DS lookups for grafting forward zones are isolated ($n)"
+ret=0
+dig_with_opts grafted A @10.53.0.4 > dig.out.$n.q1 || ret=1
+dig_with_opts grafted DS @10.53.0.4 > dig.out.$n.q2 || ret=1
+dig_with_opts grafted A @10.53.0.4 > dig.out.$n.q3 || ret=1
+dig_with_opts grafted AAAA @10.53.0.4 > dig.out.$n.q4 || ret=1
+grep "status: NOERROR" dig.out.$n.q1 > /dev/null || ret=1
+grep "status: NXDOMAIN" dig.out.$n.q2 > /dev/null || ret=1
+grep "status: NOERROR" dig.out.$n.q3 > /dev/null || ret=1
+grep "status: NOERROR" dig.out.$n.q4 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that rfc1918 inherited 'forward first;' zones are warned about ($n)"
+ret=0
+$CHECKCONF rfc1918-inherited.conf | grep "forward first;" >/dev/null || ret=1
+$CHECKCONF rfc1918-notinherited.conf | grep "forward first;" >/dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that ULA inherited 'forward first;' zones are warned about ($n)"
+ret=0
+$CHECKCONF ula-inherited.conf | grep "forward first;" >/dev/null || ret=1
+$CHECKCONF ula-notinherited.conf | grep "forward first;" >/dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+count_sent() (
+	logfile="$1"
+	start_pattern="$2"
+	pattern="$3"
+	nextpartpeek "$logfile" | sed -n "/$start_pattern/,/^\$/p" | grep -c "$pattern"
+)
+
+check_sent() (
+	expected="$1"
+	shift
+	count=$(count_sent "$@")
+	[ "$expected" = "$count" ]
+)
+
+wait_for_log() (
+	nextpartpeek "$1" | grep "$2" >/dev/null
+
+)
+
+n=$((n+1))
+echo_i "checking that a forwarder timeout prevents it from being reused in the same fetch context ($n)"
+ret=0
+# Make ans6 receive queries without responding to them.
+echo "//" | sendcmd 10.53.0.6
+# Query for a record in a zone which is forwarded to a non-responding forwarder
+# and is delegated from the root to check whether the forwarder will be retried
+# when a delegation is encountered after falling back to full recursive
+# resolution.
+nextpart ns3/named.run >/dev/null
+dig_with_opts txt.example7. txt @$f1 > dig.out.$n.f1 || ret=1
+# The forwarder for the "example7" zone should only be queried once.
+start_pattern="sending packet to 10\.53\.0\.6"
+retry_quiet 5 wait_for_log ns3/named.run "$start_pattern"
+check_sent 1 ns3/named.run "$start_pattern" ";txt\.example7\.[[:space:]]*IN[[:space:]]*TXT$" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that priming queries are not forwarded ($n)"
+ret=0
+nextpart ns7/named.run >/dev/null
+dig_with_opts +noadd +noauth txt.example1. txt @10.53.0.7 > dig.out.$n.f7 || ret=1
+received_pattern="received packet from 10\.53\.0\.1"
+start_pattern="sending packet to 10\.53\.0\.1"
+retry_quiet 5 wait_for_log ns7/named.run "$received_pattern" || ret=1
+check_sent 1 ns7/named.run "$start_pattern" ";\.[[:space:]]*IN[[:space:]]*NS$" || ret=1
+sent=$(grep -c "10.53.0.7#.* (.): query '\./NS/IN' approved" ns4/named.run || true)
+[ "$sent" -eq 0 ] || ret=1
+sent=$(grep -c "10.53.0.7#.* (.): query '\./NS/IN' approved" ns1/named.run || true)
+[ "$sent" -eq 1 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking recovery from forwarding to a non-recursive server ($n)"
+ret=0
+dig_with_opts xxx.sld.tld txt @10.53.0.8  > dig.out.$n.f8 || ret=1
+grep "status: NOERROR" dig.out.$n.f8 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that rebinding protection works in forward only mode ($n)"
+ret=0
+# 10.53.0.5 will forward target.malicious. query to 10.53.0.4
+# which in turn will return a CNAME for subdomain.rebind.
+# to honor the option deny-answer-aliases { "rebind"; };
+# ns5 should return a SERVFAIL to avoid potential rebinding attacks
+dig_with_opts +noadd +noauth @10.53.0.5 target.malicious. > dig.out.$n || ret=1
+grep "status: SERVFAIL" dig.out.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Prepare ans6 for the chasing DS tests.
+sendcmd 10.53.0.6 << EOF
+/ns1.sld.tld/A/
+300 A 10.53.0.2
+/sld.tld/NS/
+300 NS ns1.sld.tld.
+/sld.tld/
+EOF
+
+n=$((n+1))
+echo_i "checking switch from forwarding to normal resolution while chasing DS ($n)"
+ret=0
+copy_setports ns3/named2.conf.in ns3/named.conf
+rndccmd 10.53.0.3 reconfig 2>&1 | sed 's/^/ns3 /' | cat_i
+sleep 1
+nextpart ns3/named.run >/dev/null
+dig_with_opts @$f1 xxx.yyy.sld.tld ds > dig.out.$n.f1 || ret=1
+grep "status: SERVFAIL" dig.out.$n.f1 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# See [GL #3129].
+# Enable silent mode for ans11.
+echo "1" | sendcmd 10.53.0.11
+n=$((n+1))
+echo_i "checking the handling of hung DS fetch while chasing DS ($n)"
+ret=0
+copy_setports ns3/named2.conf.in ns3/tmp
+sed 's/root.db/root2.db/' ns3/tmp > ns3/named.conf
+rm -f ns3/tmp
+rndccmd 10.53.0.3 reconfig 2>&1 | sed 's/^/ns3 /' | cat_i
+rndccmd 10.53.0.3 flush 2>&1 | sed 's/^/ns3 /' | cat_i
+sleep 1
+nextpart ns3/named.run >/dev/null
+dig_with_opts @$f1 xxx.yyy.sld.tld ds > dig.out.$n.f1 || ret=1
+grep "status: SERVFAIL" dig.out.$n.f1 > /dev/null || ret=1
+# Disable silent mode for ans11.
+echo "0" | sendcmd 10.53.0.11
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+#
+# Check various spoofed response scenarios. The same tests will be
+# run twice, with "forward first" and "forward only" configurations.
+#
+run_spooftests () {
+    n=$((n+1))
+    echo_i "checking spoofed response scenario 1 - out of bailiwick NS ($n)"
+    ret=0
+    # prime
+    dig_with_opts @10.53.0.9 attackSecureDomain.net > dig.out.$n.prime || ret=1
+    # check 'net' is not poisoned.
+    dig_with_opts @10.53.0.9 diditwork.net. TXT > dig.out.$n.net || ret=1
+    grep '^diditwork\.net\..*TXT.*"recursed"' dig.out.$n.net > /dev/null || ret=1
+    # check 'sub.local.net' is not poisoned.
+    dig_with_opts @10.53.0.9 sub.local.net TXT > dig.out.$n.sub || ret=1
+    grep '^sub\.local\.net\..*TXT.*"recursed"' dig.out.$n.sub > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "checking spoofed response scenario 2 - inject DNAME/net2. ($n)"
+    ret=0
+    # prime
+    dig_with_opts @10.53.0.9 attackSecureDomain.net2 > dig.out.$n.prime || ret=1
+    # check that net2/DNAME is not cached
+    dig_with_opts @10.53.0.9 net2. DNAME > dig.out.$n.net2 || ret=1
+    grep "ANSWER: 0," dig.out.$n.net2 > /dev/null || ret=1
+    grep "status: NXDOMAIN" dig.out.$n.net2 > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    n=$((n+1))
+    echo_i "checking spoofed response scenario 3 - extra answer ($n)"
+    ret=0
+    # prime
+    dig_with_opts @10.53.0.9 attackSecureDomain.net3 > dig.out.$n.prime || ret=1
+    # check extra net3 records are not cached
+    rndccmd 10.53.0.9 dumpdb -cache 2>&1 | sed 's/^/ns9 /' | cat_i
+    for try in 1 2 3 4 5; do
+        lines=$(grep "net3" ns9/named_dump.db | wc -l)
+        if [ ${lines} -eq 0 ]; then
+                sleep 1
+                continue
+        fi
+        [ ${lines} -eq 1 ] || ret=1
+        grep -q '^attackSecureDomain.net3' ns9/named_dump.db || ret=1
+        grep -q '^local.net3' ns9/named_dump.db && ret=1
+    done
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+}
+
+echo_i "checking spoofed response scenarios with forward first zones"
+run_spooftests
+
+copy_setports ns9/named2.conf.in ns9/named.conf
+rndccmd 10.53.0.9 reconfig 2>&1 | sed 's/^/ns3 /' | cat_i
+rndccmd 10.53.0.9 flush 2>&1 | sed 's/^/ns3 /' | cat_i
+sleep 1
+
+echo_i "rechecking spoofed response scenarios with forward only zones"
+run_spooftests
+
+#
+# This scenario expects the spoofed response to succeed. The tests are
+# similar to the ones above, but not identical.
+#
+echo_i "rechecking spoofed response scenarios with 'forward only' set globally"
+copy_setports ns9/named3.conf.in ns9/named.conf
+rndccmd 10.53.0.9 reconfig 2>&1 | sed 's/^/ns3 /' | cat_i
+rndccmd 10.53.0.9 flush 2>&1 | sed 's/^/ns3 /' | cat_i
+sleep 1
+
+n=$((n+1))
+echo_i "checking spoofed response scenario 1 - out of bailiwick NS ($n)"
+ret=0
+# prime
+dig_with_opts @10.53.0.9 attackSecureDomain.net > dig.out.$n.prime || ret=1
+# check 'net' is poisoned.
+dig_with_opts @10.53.0.9 diditwork.net. TXT > dig.out.$n.net || ret=1
+grep '^didItWork\.net\..*TXT.*"if you can see this record the attack worked"' dig.out.$n.net > /dev/null || ret=1
+# check 'sub.local.net' is poisoned.
+dig_with_opts @10.53.0.9 sub.local.net TXT > dig.out.$n.sub || ret=1
+grep '^sub\.local\.net\..*TXT.*"if you see this attacker overrode local delegation"' dig.out.$n.sub > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking spoofed response scenario 2 - inject DNAME/net2. ($n)"
+ret=0
+# prime
+dig_with_opts @10.53.0.9 attackSecureDomain.net2 > dig.out.$n.prime || ret=1
+# check that net2/DNAME is cached
+dig_with_opts @10.53.0.9 net2. DNAME > dig.out.$n.net2 || ret=1
+grep "ANSWER: 1," dig.out.$n.net2 > /dev/null || ret=1
+grep "net2\..*IN.DNAME.net\.example\.lll\." dig.out.$n.net2 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+#
+# This test doesn't use any forwarder clauses but is here because it
+# is similar to forwarders, as the set of servers that can populate
+# the namespace is defined by the zone content.
+#
+echo_i "rechecking spoofed response scenarios glue below local zone"
+copy_setports ns9/named4.conf.in ns9/named.conf
+rndccmd 10.53.0.9 reconfig 2>&1 | sed 's/^/ns3 /' | cat_i
+rndccmd 10.53.0.9 flush 2>&1 | sed 's/^/ns3 /' | cat_i
+sleep 1
+
+n=$((n+1))
+echo_i "checking sibling glue below zone ($n)"
+ret=0
+# prime
+dig_with_opts @10.53.0.9 sibling.tld > dig.out.$n.prime || ret=1
+# check for glue A record for sub.local.tld is not used
+dig_with_opts @10.53.0.9 sub.local.tld TXT > dig.out.$n.sub || ret=1
+grep "ANSWER: 1," dig.out.$n.sub > /dev/null || ret=1
+grep 'sub\.local\.tld\..*IN.TXT."good"$' dig.out.$n.sub > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/forward/tests_sh_forward.py b/bin/tests/system/forward/tests_sh_forward.py
new file mode 100644
index 0000000..4380a49
--- /dev/null
+++ b/bin/tests/system/forward/tests_sh_forward.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_forward(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/forward/ula-inherited.conf b/bin/tests/system/forward/ula-inherited.conf
new file mode 100644
index 0000000..1fb94b1
--- /dev/null
+++ b/bin/tests/system/forward/ula-inherited.conf
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone d.f.ip6.arpa {
+	type forward;
+	forwarders { 1.2.3.4; };
+};
diff --git a/bin/tests/system/forward/ula-notinherited.conf b/bin/tests/system/forward/ula-notinherited.conf
new file mode 100644
index 0000000..300001a
--- /dev/null
+++ b/bin/tests/system/forward/ula-notinherited.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone d.f.ip6.arpa {
+	type forward;
+	forward first;
+	forwarders { 1.2.3.4; };
+};
diff --git a/bin/tests/system/fromhex.pl b/bin/tests/system/fromhex.pl
new file mode 100644
index 0000000..2a229e0
--- /dev/null
+++ b/bin/tests/system/fromhex.pl
@@ -0,0 +1,47 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Converts hex ascii into raw data.
+# (This can be used, for example, to construct input for "wire_data -d".)
+
+require 5.006.001;
+
+use strict;
+use IO::File;
+
+sub usage {
+    print ("Usage: packet.pl [file]\n");
+    exit 1;
+}
+
+my $file = "STDIN";
+if (@ARGV >= 1) {
+    my $filename = shift @ARGV;
+    open FH, "<$filename" or die "$filename: $!";
+    $file = "FH";
+}
+
+my $input = "";
+while (defined(my $line = <$file>) ) {
+    chomp $line;
+    $line =~ s/#.*$//;
+    $input .= $line;
+}
+
+$input =~ s/\s+//g;
+my $data = pack("H*", $input);
+my $len = length $data;
+
+binmode(STDOUT);
+print($data);
+exit(0);
diff --git a/bin/tests/system/genzone.sh b/bin/tests/system/genzone.sh
new file mode 100644
index 0000000..f436559
--- /dev/null
+++ b/bin/tests/system/genzone.sh
@@ -0,0 +1,511 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Set up a test zone
+#
+# Usage: genzone.sh primary-server-number secondary-server-number...
+#
+# e.g., "genzone.sh 2 3 4" means ns2 is the primary and ns3, ns4
+# are secondaries.
+#
+
+primary="$1"
+
+cat <<EOF
+\$TTL 3600
+
+@		86400	IN SOA	ns${primary} hostmaster (
+					1397051952 ; "SER0"
+					5
+					5
+					1814400
+					3600 )
+EOF
+
+for n
+do
+	cat <<EOF
+@			NS	ns${n}
+ns${n}			A	10.53.0.${n}
+EOF
+done
+
+cat <<\EOF
+
+; type 1
+a01			A	0.0.0.0
+a02			A	255.255.255.255
+
+; type 2
+; see NS records at top of file
+
+; type 3
+; md01			MD	madname
+; 			MD	.
+
+; type 4
+; mf01			MF	madname
+; mf01			MF	.
+
+; type 5
+cname01			CNAME	cname-target.
+cname02			CNAME	cname-target
+cname03			CNAME	.
+
+; type 6
+; see SOA record at top of file
+
+; type 7
+mb01			MG	madname
+mb02			MG	.
+
+; type 8
+mg01			MG	mgmname
+mg02			MG	.
+
+; type 9
+mr01			MR	mrname
+mr02			MR	.
+
+; type 10
+; NULL RRs are not allowed in master files per RFC1035.
+;null01			NULL
+
+; type 11
+wks01			WKS	10.0.0.1 tcp telnet ftp 0 1 2
+wks02			WKS	10.0.0.1 udp domain 0 1 2
+wks03			WKS	10.0.0.2 tcp 65535
+
+; type 12
+ptr01			PTR	@
+
+; type 13
+hinfo01			HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02			HINFO	PC NetBSD
+
+; type 14
+minfo01			MINFO	rmailbx emailbx
+minfo02			MINFO	. .
+
+; type 15
+mx01			MX	10 mail
+mx02			MX	10 .
+
+; type 16
+txt01			TXT	"foo"
+txt02			TXT	"foo" "bar"
+txt03			TXT	foo
+txt04			TXT	foo bar
+txt05			TXT	"foo bar"
+txt06			TXT	"foo\032bar"
+txt07			TXT	foo\032bar
+txt08			TXT	"foo\010bar"
+txt09			TXT	foo\010bar
+txt10			TXT	foo\ bar
+txt11			TXT	"\"foo\""
+txt12			TXT	\"foo\"
+txt13			TXT	"foo;"
+txt14			TXT	"foo\;"
+txt15			TXT	"bar\\;"
+
+; type 17
+rp01			RP	mbox-dname txt-dname
+rp02			RP	. .
+
+; type 18
+afsdb01			AFSDB	0 hostname
+afsdb02			AFSDB	65535 .
+
+; type 19
+x2501			X25	123456789
+;x2502			X25	"123456789"
+
+; type 20
+isdn01			ISDN	"isdn-address"
+isdn02			ISDN	"isdn-address" "subaddress"
+isdn03			ISDN	isdn-address
+isdn04			ISDN	isdn-address subaddress
+
+; type 21
+rt01			RT	0 intermediate-host
+rt02			RT	65535 .
+
+; type 22
+nsap01			NSAP	(
+	0x47.0005.80.005a00.0000.0001.e133.ffffff000161.00 )
+nsap02			NSAP	(
+	0x47.0005.80.005a00.0000.0001.e133.ffffff000161.00. )
+;nsap03			NSAP	0x
+
+; type 23
+nsap-ptr01		NSAP-PTR foo.
+nsap-ptr01		NSAP-PTR .
+
+; type 24
+;sig01			SIG	NXT 1 3 ( 3600 20000102030405
+;				19961211100908 2143 foo.nil.
+;				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45I
+;				kskceFGgiWCn/GxHhai6VAuHAoNUz4YoU1t
+;				VfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY= )
+
+; type 25
+;key01			KEY	512 ( 255 1 AQMFD5raczCJHViKtLYhWGz8hMY
+;				9UGRuniJDBzC7w0aRyzWZriO6i2odGWWQVucZqKV
+;				sENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esg
+;				a60zyGW6LFe9r8n6paHrlG5ojqf0BaqHT+8= )
+
+; type 26
+px01			PX	65535 foo. bar.
+px02			PX	65535 . .
+
+; type 27
+gpos01			GPOS    -22.6882 116.8652 250.0
+gpos02			GPOS    "" "" ""
+
+; type 28
+aaaa01			AAAA    ::1
+aaaa02			AAAA    fd92:7065:b8e:ffff::5
+
+; type 29
+loc01			LOC	60 9 N 24 39 E 10 20 2000 20
+loc02			LOC 	60 09 00.000 N 24 39 00.000 E 10.00m 20.00m (
+				  2000.00m 20.00m )
+
+; type 30
+;nxt01			NXT	a.secure.nil. ( NS SOA MX RRSIG KEY LOC NXT )
+;nxt02			NXT	. NXT NSAP-PTR
+;nxt03			NXT	. 1
+;nxt04			NXT	. 127
+
+; type 31
+eid01			EID	12 89 AB
+
+; type 32
+nimloc01		NIMLOC	12 89 AB
+
+; type 33
+srv01			SRV	0 0 0 .
+srv02			SRV	65535 65535 65535  old-slow-box
+
+; type 34
+atma01			ATMA	+61200000000
+atma02			ATMA	+61.2.0000.0000
+atma03			ATMA	1234567890abcdef
+atma04			ATMA	f.e.d.c.b.a.0.9.8.7.6.5.4.3.2.1
+
+; type 35
+naptr01			NAPTR   0 0 "" "" "" .
+naptr02			NAPTR   65535 65535 blurgh blorf blllbb foo.
+naptr02			NAPTR   65535 65535 "blurgh" "blorf" "blllbb" foo.
+
+; type 36
+kx01			KX	10 kdc
+kx02			KX	10 .
+
+; type 37
+cert01			CERT	65534 65535 254 (
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45I
+				kskceFGgiWCn/GxHhai6VAuHAoNUz4YoU1t
+				VfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY= )
+; type 38
+a601			A6	0 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+a601			A6	64 ::ffff:ffff:ffff:ffff foo.
+a601			A6	127 ::1 foo.
+a601			A6	128 .
+
+; type 39
+dname01			DNAME	dname-target.
+dname02			DNAME	dname-target
+dname03			DNAME	.
+
+; type 40
+sink01			SINK	1 0 0
+sink02			SINK	8 0 2 l4ik
+
+; type 41
+; OPT is a meta-type and should never occur in master files.
+
+; type 42
+apl01			APL	!1:10.0.0.1/32 1:10.0.0.0/24
+apl02			APL
+
+; type 43
+ds01			DS	12892 5 2 26584835CA80C81C91999F31CFAF2A0E89D4FF1C8FAFD0DDB31A85C7 19277C13
+ds01			NS	ns42
+ds02			DS	12892 5 1 7AA4A3F416C2F2391FB7AB0D434F762CD62D1390
+ds02			NS	ns43
+
+; type 44
+sshfp01			SSHFP	4 2 C76D8329954DA2835751E371544E963EFDA099080D6C58DD2BFD9A31 6E162C83
+sshfp02			SSHFP	1 2 BF29468C83AC58CCF8C85AB7B3BEB054ECF1E38512B8353AB36471FA 88961DCC
+
+; type 45
+ipseckey01		IPSECKEY	10 1 2 192.0.2.38 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey02		IPSECKEY	10 0 2 . AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey03		IPSECKEY	( 10 1 2
+					  192.0.2.3
+					  AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ== )
+ipseckey04		IPSECKEY	( 10 3 2
+					  mygateway.example.com.
+					  AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ== )
+
+ipseckey05		IPSECKEY	( 10 2 2
+					  2001:0DB8:0:8002::2000:1
+					  AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ== )
+
+; type 46
+rrsig01			RRSIG	NSEC 1 3 ( 3600 20000102030405
+				19961211100908 2143 foo.nil.
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45I
+				kskceFGgiWCn/GxHhai6VAuHAoNUz4YoU1t
+				VfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY= )
+
+; type 47
+nsec01			NSEC	a.secure.nil. ( NS SOA MX RRSIG DNSKEY LOC NSEC )
+nsec02			NSEC	. NSEC NSAP-PTR
+nsec03			NSEC	. TYPE1
+nsec04			NSEC	. TYPE127
+
+; type 48
+dnskey01		DNSKEY	512 ( 255 1 AQMFD5raczCJHViKtLYhWGz8hMY
+				9UGRuniJDBzC7w0aRyzWZriO6i2odGWWQVucZqKV
+				sENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esg
+				a60zyGW6LFe9r8n6paHrlG5ojqf0BaqHT+8= )
+
+; type 49
+dhcid01			DHCID	( AAIBY2/AuCccgoJbsaxcQc9TUapptP69l
+				  OjxfNuVAA2kjEA= )
+dhcid02			DHCID	( AAEBOSD+XR3Os/0LozeXVqcNc7FwCfQdW
+				  L3b/NaiUDlW2No= )
+dhcid03			DHCID	( AAABxLmlskllE0MVjd57zHcWmEH3pCQ6V
+				  ytcKD//7es/deY= )
+
+; type 50
+8f1tmio9avcom2k0frp92lgcumak0cad	NSEC3 1 0 10 D2CF0294C020CE6C 8FPNS2UCT7FBS643THP2B77PEQ77K6IU  A NS SOA MX AAAA RRSIG DNSKEY NSEC3PARAM
+kcd3juae64f9c5csl1kif1htaui7un0g	NSEC3 1 0 10 D2CF0294C020CE6C KD5MN2M20340DGO0BL7NTSB8JP4BSC7E
+mr5ukvsk1l37btu4q7b1dfevft4hkqdk	NSEC3 1 0 10 D2CF0294C020CE6C MT38J6VG7S0SN5G17MCUF6IQIKFUAJ05  A AAAA RRSIG
+
+; type 51
+; @			NSEC3PARAM 1 0 1 868BCF7ED4108929
+
+; type 52
+tlsa			TLSA	( 1 1 2 92003ba34942dc74152e2f2c408d29ec
+				a5a520e7f2e06bb944f4dca346baf63c
+				1b177615d466f6c4b71c216a50292bd5
+				8c9ebdd2f74e38fe51ffd48c43326cbc )
+
+; type 53
+smimea			SMIMEA	( 1 1 2 92003ba34942dc74152e2f2c408d29ec
+				a5a520e7f2e06bb944f4dca346baf63c
+				1b177615d466f6c4b71c216a50292bd5
+				8c9ebdd2f74e38fe51ffd48c43326cbc )
+
+; type 54 (unassigned)
+
+; type 55
+hip1			HIP	( 2 200100107B1A74DF365639CC39F1D578
+				AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D )
+
+hip2			HIP	( 2 200100107B1A74DF365639CC39F1D578
+                                AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D
+				rvs.example.com. )
+
+; type 56
+ninfo01			NINFO	"foo"
+ninfo02			NINFO	"foo" "bar"
+ninfo03			NINFO	foo
+ninfo04			NINFO	foo bar
+ninfo05			NINFO	"foo bar"
+ninfo06			NINFO	"foo\032bar"
+ninfo07			NINFO	foo\032bar
+ninfo08			NINFO	"foo\010bar"
+ninfo09			NINFO	foo\010bar
+ninfo10			NINFO	foo\ bar
+ninfo11			NINFO	"\"foo\""
+ninfo12			NINFO	\"foo\"
+ninfo13			NINFO	"foo;"
+ninfo14			NINFO	"foo\;"
+ninfo15			NINFO	"bar\\;"
+
+; type 57
+rkey01			RKEY	0 ( 255 1 AQMFD5raczCJHViKtLYhWGz8hMY
+				9UGRuniJDBzC7w0aRyzWZriO6i2odGWWQVucZqKV
+				sENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esg
+				a60zyGW6LFe9r8n6paHrlG5ojqf0BaqHT+8= )
+
+; type 58
+talink0			TALINK	. talink1
+talink1			TALINK	talink0 talink2
+talink2			TALINK	talink2 .
+
+; type 59
+cds01			CDS	30795 1 1 (
+					310D27F4D82C1FC2400704EA9939FE6E1CEA
+					A3B9 )
+
+; type 60
+cdnskey01		CDNSKEY	512 ( 255 1 AQMFD5raczCJHViKtLYhWGz8hMY
+				9UGRuniJDBzC7w0aRyzWZriO6i2odGWWQVucZqKV
+				sENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esg
+				a60zyGW6LFe9r8n6paHrlG5ojqf0BaqHT+8= )
+
+; type 61
+openpgpkey		OPENPGPKEY	( AQMFD5raczCJHViKtLYhWGz8hMY
+				9UGRuniJDBzC7w0aRyzWZriO6i2odGWWQVucZqKV
+				sENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esg
+				a60zyGW6LFe9r8n6paHrlG5ojqf0BaqHT+8= )
+
+;type	62
+csync01			CSYNC	0 0 A NS AAAA
+csync02			CSYNC	0 0
+
+;type	63
+zonemd01		ZONEMD	2019020700 1 1 (
+                                C220B8A6ED5728A971902F7E3D4FD93A
+                                DEEA88B0453C2E8E8C863D465AB06CF3
+                                4EB95B266398C98B59124FA239CB7EEB
+				)
+zonemd02		ZONEMD	2019020700 1 2 (
+				08CFA1115C7B948C4163A901270395EA
+			        226A930CD2CBCF2FA9A5E6EB85F37C8A
+                                4E114D884E66F176EAB121CB02DB7D65
+                                2E0CC4827E7A3204F166B47E5613FD27
+				)
+
+; type 64 -- 98 (unassigned)
+
+; type 99
+spf01			SPF	"v=spf1 -all"
+spf02			SPF	"v=spf1" " -all"
+
+; type 100 (UINFO - not implemented by BIND - unknown record format only)
+uinfo01			UINFO	\# 1 01
+
+; type 101 (UID - not implemented by BIND - unknown record format only)
+uid01			UID	\# 1 02
+
+; type 102 (GID - not implemented by BIND - unknown record format only)
+gid01			GID	\# 1 03
+
+; type 103 (UNSPEC - not implemented by BIND - unknown record format only)
+unspec01		UNSPEC	\# 1 04
+
+; type 104
+nid			NID	10 0014:4fff:ff20:ee64
+
+; type 105
+l32			L32	10 1.2.3.4
+
+; type 106
+l64			L64	10 0014:4fff:ff20:ee64
+
+; type 107
+lp			LP	10 example.net.
+
+; type 108
+eui48			EUI48	01-23-45-67-89-ab
+
+; type 109
+eui64			EUI64	01-23-45-67-89-ab-cd-ef
+
+; type 110 -- 248 (unassigned)
+
+; type 249
+; TKEY is a meta-type and should never occur in master files.
+; The text representation is not specified in the draft.
+; This example was written based on the bind9 RR parsing code.
+;tkey01			TKEY	928321914 928321915 (
+;				algorithm-name.	; algorithm
+;				65535 		; mode
+;				0		; error
+;				3 		; key size
+;				aaaa		; key data
+;				3 		; other size
+;				bbbb		; other data
+;				)
+;; A TKEY with empty "other data"
+;tkey02			TKEY	928321914 928321915 (
+;				algorithm-name.	; algorithm
+;				65535 		; mode
+;				0		; error
+;				3 		; key size
+;				aaaa		; key data
+;				0 		; other size
+;						; other data
+;				)
+
+; type 255
+; * is a meta-type and should never occur in master files.
+
+; type 256
+uri01			URI	10 20 "https://www.isc.org/"
+uri02			URI	30 40 "https://www.isc.org/HolyCowThisSureIsAVeryLongURIRecordIDontEvenKnowWhatSomeoneWouldEverWantWithSuchAThingButTheSpecificationRequiresThatWesupportItSoHereWeGoTestingItLaLaLaLaLaLaLaSeriouslyThoughWhyWouldYouEvenConsiderUsingAURIThisLongItSeemsLikeASillyIdeaButEnhWhatAreYouGonnaDo/"
+uri03			URI	30 40 ""
+
+; type 257
+caa01			CAA	0 issue "ca.example.net; policy=ev"
+caa02			CAA	128 tbs "Unknown"
+caa03			CAA	128 tbs ""
+
+; type 258
+avc			AVC	foo:bar
+
+; type 259
+doa01			DOA	( 1234567890 1234567890 1 "image/gif"
+				  R0lGODlhKAAZAOMCAGZmZgBmmf///zOZzMz//5nM/zNmmWbM/5nMzMzMzACZ////
+				  /////////////////yH5BAEKAA8ALAAAAAAoABkAAATH8IFJK5U2a4337F5ogRkp
+				  noCJrly7PrCKyh8c3HgAhzT35MDbbtO7/IJIHbGiOiaTxVTpSVWWLqNq1UVyapNS
+				  1wd3OAxug0LhnCubcVhsxysQnOt4ATpvvzHlFzl1AwODhWeFAgRpen5/UhheAYMF
+				  dUB4SFcpGEGGdQeCAqBBLTuSk30EeXd9pEsAbKGxjHqDSE0Sp6ixN4N1BJmbc7lI
+				  hmsBich1awPAjkY1SZR8bJWrz382SGqIBQQFQd4IsUTaX+ceuudPEQA7 )
+doa02			DOA	0 1 2 "" aHR0cHM6Ly93d3cuaXNjLm9yZy8=
+
+; type 260
+amtrelay01		AMTRELAY 0 0 0
+amtrelay02		AMTRELAY 0 1 0
+amtrelay03		AMTRELAY 0 0 1 0.0.0.0
+amtrelay04		AMTRELAY 0 0 2 ::
+amtrelay05		AMTRELAY 0 0 3 example.net.
+amtrelay06		AMTRELAY \# 2 0004
+
+; type 261 -- 32767 (unassigned)
+
+; type 32768
+ta			TA	30795 1 1 (
+					310D27F4D82C1FC2400704EA9939FE6E1CEA
+					A3B9 )
+
+; type 32769
+dlv			DLV	30795 1 1 (
+					310D27F4D82C1FC2400704EA9939FE6E1CEA
+					A3B9 )
+
+; type 32770 -- 65279 (unassigned)
+
+; type 65280-65534 (private use)
+
+https0			HTTPS	0 example.net.
+https1			HTTPS	1 . port=60
+
+svcb0			SVCB	0 example.net.
+svcb1			SVCB	1 . port=60
+
+; keydata (internal type used for managed keys)
+keydata			TYPE65533	\# 0
+keydata			TYPE65533	\# 6 010203040506
+keydata			TYPE65533	\# 18 010203040506010203040506010203040506
+
+; type 65535 (reserved)
+
+EOF
diff --git a/bin/tests/system/geoip2/clean.sh b/bin/tests/system/geoip2/clean.sh
new file mode 100644
index 0000000..46de65b
--- /dev/null
+++ b/bin/tests/system/geoip2/clean.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns2/named.conf
+rm -f ns2/example*.db
+rm -f dig.out.* rndc.out.*
+rm -f ns?/named.run
+rm -f ns?/named.memstats
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
diff --git a/bin/tests/system/geoip2/conf/bad-areacode.conf b/bin/tests/system/geoip2/conf/bad-areacode.conf
new file mode 100644
index 0000000..2ca9dd4
--- /dev/null
+++ b/bin/tests/system/geoip2/conf/bad-areacode.conf
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port 5300;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	geoip-directory "data";
+	allow-query {
+		geoip area 831;
+		geoip areacode 831;
+		geoip metro 828;
+		geoip metrocode 828;
+		geoip tz "America/Los_Angeles";
+		geoip timezone "America/Los_Angeles";
+		geoip postal 95060;
+		geoip postalcode 95060;
+	};
+};
diff --git a/bin/tests/system/geoip2/conf/bad-dbname.conf b/bin/tests/system/geoip2/conf/bad-dbname.conf
new file mode 100644
index 0000000..9fc5238
--- /dev/null
+++ b/bin/tests/system/geoip2/conf/bad-dbname.conf
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+};
+
+view one {
+	match-clients { geoip db unknown asnum "WX"; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
diff --git a/bin/tests/system/geoip2/conf/bad-netspeed.conf b/bin/tests/system/geoip2/conf/bad-netspeed.conf
new file mode 100644
index 0000000..133fd42
--- /dev/null
+++ b/bin/tests/system/geoip2/conf/bad-netspeed.conf
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port 5300;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	geoip-directory "data";
+	allow-query {
+		geoip netspeed 100;
+		geoip metro 828;
+		geoip metrocode 828;
+		geoip tz "America/Los_Angeles";
+		geoip timezone "America/Los_Angeles";
+		geoip postal 95060;
+		geoip postalcode 95060;
+	};
+};
diff --git a/bin/tests/system/geoip2/conf/bad-regiondb.conf b/bin/tests/system/geoip2/conf/bad-regiondb.conf
new file mode 100644
index 0000000..62a93cd
--- /dev/null
+++ b/bin/tests/system/geoip2/conf/bad-regiondb.conf
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view one {
+	match-clients { geoip db region region "California"; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
diff --git a/bin/tests/system/geoip2/conf/bad-threeletter.conf b/bin/tests/system/geoip2/conf/bad-threeletter.conf
new file mode 100644
index 0000000..ec0a9df
--- /dev/null
+++ b/bin/tests/system/geoip2/conf/bad-threeletter.conf
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+view one {
+	match-clients { geoip db country country AUS; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
diff --git a/bin/tests/system/geoip2/conf/good-options.conf b/bin/tests/system/geoip2/conf/good-options.conf
new file mode 100644
index 0000000..02c5e5d
--- /dev/null
+++ b/bin/tests/system/geoip2/conf/good-options.conf
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port 5300;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	geoip-directory "data";
+	allow-query {
+		geoip metro 828;
+		geoip metrocode 828;
+		geoip tz "America/Los_Angeles";
+		geoip timezone "America/Los_Angeles";
+		geoip postal 95060;
+		geoip postalcode 95060;
+	};
+};
diff --git a/bin/tests/system/geoip2/data/GeoIP2-City.json b/bin/tests/system/geoip2/data/GeoIP2-City.json
new file mode 100644
index 0000000..5490d42
--- /dev/null
+++ b/bin/tests/system/geoip2/data/GeoIP2-City.json
@@ -0,0 +1,506 @@
+[
+   {
+      "::10.53.0.1/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Redwood City"
+            }
+         },
+         "location" : {
+            "metro_code" : "807",
+            "time_zone" : "America/Los_Angeles"
+         },
+         "postal" : {
+            "code" : "94063"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "CA",
+               "names" : {
+                  "en" : "California"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "::10.53.0.2/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Santa Cruz"
+            }
+         },
+         "location" : {
+            "metro_code" : "828",
+            "time_zone" : "America/Los_Angeles"
+         },
+         "postal" : {
+            "code" : "95060"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "CA",
+               "names" : {
+                  "en" : "California"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "::10.53.0.3/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Oklahoma City"
+            }
+         },
+         "location" : {
+            "metro_code" : "650",
+            "time_zone" : "America/Chicago"
+         },
+         "postal" : {
+            "code" : "73120"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "OK",
+               "names" : {
+                  "en" : "Oklahoma"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "::10.53.0.4/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Ashland"
+            }
+         },
+         "location" : {
+            "metro_code" : "556",
+            "time_zone" : "America/New_York"
+         },
+         "postal" : {
+            "code" : "23005"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "VA",
+               "names" : {
+                  "en" : "Virginia"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "::10.53.0.5/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Atlanta"
+            }
+         },
+         "location" : {
+            "metro_code" : "524",
+            "time_zone" : "America/New_York"
+         },
+         "postal" : {
+            "code" : "30345"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "GA",
+               "names" : {
+                  "en" : "Georgia"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "::10.53.0.6/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Morrison"
+            }
+         },
+         "location" : {
+            "metro_code" : "751",
+            "time_zone" : "America/Denver"
+         },
+         "postal" : {
+            "code" : "80465"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "CO",
+               "names" : {
+                  "en" : "Colorado"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "::10.53.0.7/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Ketchikan"
+            }
+         },
+         "location" : {
+            "metro_code" : "747",
+            "time_zone" : "America/Anchorage"
+         },
+         "postal" : {
+            "code" : "99901"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "AK",
+               "names" : {
+                  "en" : "Alaska"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::1/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Redwood City"
+            }
+         },
+         "location" : {
+            "metro_code" : "807",
+            "time_zone" : "America/Los_Angeles"
+         },
+         "postal" : {
+            "code" : "94063"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "CA",
+               "names" : {
+                  "en" : "California"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::2/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Santa Cruz"
+            }
+         },
+         "location" : {
+            "metro_code" : "828",
+            "time_zone" : "America/Los_Angeles"
+         },
+         "postal" : {
+            "code" : "95060"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "CA",
+               "names" : {
+                  "en" : "California"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::3/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Oklahoma City"
+            }
+         },
+         "location" : {
+            "metro_code" : "650",
+            "time_zone" : "America/Chicago"
+         },
+         "postal" : {
+            "code" : "73120"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "OK",
+               "names" : {
+                  "en" : "Oklahoma"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::4/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Ashland"
+            }
+         },
+         "location" : {
+            "metro_code" : "556",
+            "time_zone" : "America/New_York"
+         },
+         "postal" : {
+            "code" : "23005"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "VA",
+               "names" : {
+                  "en" : "Virginia"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::5/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Atlanta"
+            }
+         },
+         "location" : {
+            "metro_code" : "524",
+            "time_zone" : "America/New_York"
+         },
+         "postal" : {
+            "code" : "30345"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "GA",
+               "names" : {
+                  "en" : "Georgia"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::6/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Morrison"
+            }
+         },
+         "location" : {
+            "metro_code" : "751",
+            "time_zone" : "America/Denver"
+         },
+         "postal" : {
+            "code" : "80465"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "CO",
+               "names" : {
+                  "en" : "Colorado"
+               }
+            }
+         ]
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::7/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         },
+         "city" : {
+            "names" : {
+               "en" : "Ketchikan"
+            }
+         },
+         "location" : {
+            "metro_code" : "747",
+            "time_zone" : "America/Anchorage"
+         },
+         "postal" : {
+            "code" : "99901"
+         },
+         "subdivisions" : [
+            {
+               "iso_code" : "AK",
+               "names" : {
+                  "en" : "Alaska"
+               }
+            }
+         ]
+      }
+   }
+]
diff --git a/bin/tests/system/geoip2/data/GeoIP2-City.mmdb b/bin/tests/system/geoip2/data/GeoIP2-City.mmdb
new file mode 100644
index 0000000..79c5314
--- /dev/null
+++ b/bin/tests/system/geoip2/data/GeoIP2-City.mmdb
diff --git a/bin/tests/system/geoip2/data/GeoIP2-Country.json b/bin/tests/system/geoip2/data/GeoIP2-Country.json
new file mode 100644
index 0000000..83a8ca8
--- /dev/null
+++ b/bin/tests/system/geoip2/data/GeoIP2-Country.json
@@ -0,0 +1,242 @@
+[
+   {
+      "::10.53.0.1/128" : {
+         "continent" : {
+            "code" : "OC",
+            "names" : {
+               "en" : "Oceania"
+            }
+         },
+         "country" : {
+            "iso_code" : "AU",
+            "names" : {
+               "en" : "Australia"
+            }
+         }
+      }
+   },
+   {
+      "::10.53.0.2/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         }
+      }
+   },
+   {
+      "::10.53.0.3/128" : {
+         "continent" : {
+            "code" : "EU",
+            "names" : {
+               "en" : "Europe"
+            }
+         },
+         "country" : {
+            "iso_code" : "GB",
+            "names" : {
+               "en" : "United Kingdom"
+            }
+         }
+      }
+   },
+   {
+      "::10.53.0.4/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "CA",
+            "names" : {
+               "en" : "Canada"
+            }
+         }
+      }
+   },
+   {
+      "::10.53.0.5/128" : {
+         "continent" : {
+            "code" : "SA",
+            "names" : {
+               "en" : "South America"
+            }
+         },
+         "country" : {
+            "iso_code" : "CL",
+            "names" : {
+               "en" : "Chile"
+            }
+         }
+      }
+   },
+   {
+      "::10.53.0.6/128" : {
+         "continent" : {
+            "code" : "EU",
+            "names" : {
+               "en" : "Europe"
+            }
+         },
+         "country" : {
+            "iso_code" : "DE",
+            "names" : {
+               "en" : "Germany"
+            }
+         }
+      }
+   },
+   {
+      "::10.53.0.7/128" : {
+         "continent" : {
+            "code" : "AF",
+            "names" : {
+               "en" : "Africa"
+            }
+         },
+         "country" : {
+            "iso_code" : "EH",
+            "names" : {
+               "en" : "Western Sahara"
+            }
+         }
+      }
+   },
+   {
+      "::192.0.2.0/120" : {
+         "continent" : {
+            "code" : "O1",
+            "names" : {
+               "en" : "Other"
+            }
+         },
+         "country" : {
+            "iso_code" : "O1",
+            "names" : {
+               "en" : "Other"
+            }
+         }
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::1/128" : {
+         "continent" : {
+            "code" : "OC",
+            "names" : {
+               "en" : "Oceania"
+            }
+         },
+         "country" : {
+            "iso_code" : "AU",
+            "names" : {
+               "en" : "Australia"
+            }
+         }
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::2/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "US",
+            "names" : {
+               "en" : "United States"
+            }
+         }
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::3/128" : {
+         "continent" : {
+            "code" : "EU",
+            "names" : {
+               "en" : "Europe"
+            }
+         },
+         "country" : {
+            "iso_code" : "GB",
+            "names" : {
+               "en" : "United Kingdom"
+            }
+         }
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::4/128" : {
+         "continent" : {
+            "code" : "NA",
+            "names" : {
+               "en" : "North America"
+            }
+         },
+         "country" : {
+            "iso_code" : "CA",
+            "names" : {
+               "en" : "Canada"
+            }
+         }
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::5/128" : {
+         "continent" : {
+            "code" : "SA",
+            "names" : {
+               "en" : "South America"
+            }
+         },
+         "country" : {
+            "iso_code" : "CL",
+            "names" : {
+               "en" : "Chile"
+            }
+         }
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::6/128" : {
+         "continent" : {
+            "code" : "EU",
+            "names" : {
+               "en" : "Europe"
+            }
+         },
+         "country" : {
+            "iso_code" : "DE",
+            "names" : {
+               "en" : "Germany"
+            }
+         }
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::7/128" : {
+         "continent" : {
+            "code" : "AF",
+            "names" : {
+               "en" : "Africa"
+            }
+         },
+         "country" : {
+            "iso_code" : "EH",
+            "names" : {
+               "en" : "Western Sahara"
+            }
+         }
+      }
+   }
+]
diff --git a/bin/tests/system/geoip2/data/GeoIP2-Country.mmdb b/bin/tests/system/geoip2/data/GeoIP2-Country.mmdb
new file mode 100644
index 0000000..7771dc7
--- /dev/null
+++ b/bin/tests/system/geoip2/data/GeoIP2-Country.mmdb
diff --git a/bin/tests/system/geoip2/data/GeoIP2-Domain.json b/bin/tests/system/geoip2/data/GeoIP2-Domain.json
new file mode 100644
index 0000000..fb8e914
--- /dev/null
+++ b/bin/tests/system/geoip2/data/GeoIP2-Domain.json
@@ -0,0 +1,72 @@
+[
+   {
+      "::10.53.0.1/128" : {
+         "domain" : "one.de"
+      }
+   },
+   {
+      "::10.53.0.2/128" : {
+         "domain" : "two.com"
+      }
+   },
+   {
+      "::10.53.0.3/128" : {
+         "domain" : "three.com"
+      }
+   },
+   {
+      "::10.53.0.4/128" : {
+         "domain" : "four.edu"
+      }
+   },
+   {
+      "::10.53.0.5/128" : {
+         "domain" : "five.es"
+      }
+   },
+   {
+      "::10.53.0.6/128" : {
+         "domain" : "six.it"
+      }
+   },
+   {
+      "::10.53.0.7/128" : {
+         "domain" : "seven.org"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::1/128" : {
+         "domain" : "one.de"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::2/128" : {
+         "domain" : "two.com"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::3/128" : {
+         "domain" : "three.com"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::4/128" : {
+         "domain" : "four.edu"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::5/128" : {
+         "domain" : "five.es"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::6/128" : {
+         "domain" : "six.it"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::7/128" : {
+         "domain" : "seven.org"
+      }
+   }
+]
diff --git a/bin/tests/system/geoip2/data/GeoIP2-Domain.mmdb b/bin/tests/system/geoip2/data/GeoIP2-Domain.mmdb
new file mode 100644
index 0000000..fe93dec
--- /dev/null
+++ b/bin/tests/system/geoip2/data/GeoIP2-Domain.mmdb
diff --git a/bin/tests/system/geoip2/data/GeoIP2-ISP.json b/bin/tests/system/geoip2/data/GeoIP2-ISP.json
new file mode 100644
index 0000000..c6b0a5d
--- /dev/null
+++ b/bin/tests/system/geoip2/data/GeoIP2-ISP.json
@@ -0,0 +1,86 @@
+[
+   {
+      "::10.53.0.1/128" : {
+         "isp" : "One Systems, Inc.",
+         "organization" : "One Systems, Inc."
+      }
+   },
+   {
+      "::10.53.0.2/128" : {
+         "isp" : "Two Technology Ltd.",
+         "organization" : "Two Technology Ltd."
+      }
+   },
+   {
+      "::10.53.0.3/128" : {
+         "isp" : "Three Network Labs",
+         "organization" : "Three Network Labs"
+      }
+   },
+   {
+      "::10.53.0.4/128" : {
+         "isp" : "Four University",
+         "organization" : "Four University"
+      }
+   },
+   {
+      "::10.53.0.5/128" : {
+         "isp" : "Five Telecom",
+         "organization" : "Five Telecom"
+      }
+   },
+   {
+      "::10.53.0.6/128" : {
+         "isp" : "Six Company",
+         "organization" : "Six Company"
+      }
+   },
+   {
+      "::10.53.0.7/128" : {
+         "isp" : "Seven Communications",
+         "organization" : "Seven Communications"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::1/128" : {
+         "isp" : "One Systems, Inc.",
+         "organization" : "One Systems, Inc."
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::2/128" : {
+         "isp" : "Two Technology Ltd.",
+         "organization" : "Two Technology Ltd."
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::3/128" : {
+         "isp" : "Three Network Labs",
+         "organization" : "Three Network Labs"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::4/128" : {
+         "isp" : "Four University",
+         "organization" : "Four University"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::5/128" : {
+         "isp" : "Five Telecom",
+         "organization" : "Five Telecom"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::6/128" : {
+         "isp" : "Six Company",
+         "organization" : "Six Company"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::7/128" : {
+         "isp" : "Seven Communications",
+         "organization" : "Seven Communications"
+      }
+   }
+]
diff --git a/bin/tests/system/geoip2/data/GeoIP2-ISP.mmdb b/bin/tests/system/geoip2/data/GeoIP2-ISP.mmdb
new file mode 100644
index 0000000..73f0718
--- /dev/null
+++ b/bin/tests/system/geoip2/data/GeoIP2-ISP.mmdb
diff --git a/bin/tests/system/geoip2/data/GeoLite2-ASN.json b/bin/tests/system/geoip2/data/GeoLite2-ASN.json
new file mode 100644
index 0000000..8fad0ce
--- /dev/null
+++ b/bin/tests/system/geoip2/data/GeoLite2-ASN.json
@@ -0,0 +1,86 @@
+[
+   {
+      "::10.53.0.1/128" : {
+         "autonomous_system_number" : 100001,
+         "autonomous_system_organization" : "One Systems, Inc."
+      }
+   },
+   {
+      "::10.53.0.2/128" : {
+         "autonomous_system_number" : 100002,
+         "autonomous_system_organization" : "Two Technology Ltd."
+      }
+   },
+   {
+      "::10.53.0.3/128" : {
+         "autonomous_system_number" : 100003,
+         "autonomous_system_organization" : "Three Network Labs"
+      }
+   },
+   {
+      "::10.53.0.4/128" : {
+         "autonomous_system_number" : 100004,
+         "autonomous_system_organization" : "Four University"
+      }
+   },
+   {
+      "::10.53.0.5/128" : {
+         "autonomous_system_number" : 100005,
+         "autonomous_system_organization" : "Five Telecom"
+      }
+   },
+   {
+      "::10.53.0.6/128" : {
+         "autonomous_system_number" : 100006,
+         "autonomous_system_organization" : "Six Company"
+      }
+   },
+   {
+      "::10.53.0.7/128" : {
+         "autonomous_system_number" : 100007,
+         "autonomous_system_organization" : "Seven Communications"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::1/128" : {
+         "autonomous_system_number" : 100001,
+         "autonomous_system_organization" : "One Systems, Inc."
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::2/128" : {
+         "autonomous_system_number" : 100002,
+         "autonomous_system_organization" : "Two Technology Ltd."
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::3/128" : {
+         "autonomous_system_number" : 100003,
+         "autonomous_system_organization" : "Three Network Labs"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::4/128" : {
+         "autonomous_system_number" : 100004,
+         "autonomous_system_organization" : "Four University"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::5/128" : {
+         "autonomous_system_number" : 100005,
+         "autonomous_system_organization" : "Five Telecom"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::6/128" : {
+         "autonomous_system_number" : 100006,
+         "autonomous_system_organization" : "Six Company"
+      }
+   },
+   {
+      "fd92:7065:b8e:ffff::7/128" : {
+         "autonomous_system_number" : 100007,
+         "autonomous_system_organization" : "Seven Communications"
+      }
+   }
+]
diff --git a/bin/tests/system/geoip2/data/GeoLite2-ASN.mmdb b/bin/tests/system/geoip2/data/GeoLite2-ASN.mmdb
new file mode 100644
index 0000000..05260c0
--- /dev/null
+++ b/bin/tests/system/geoip2/data/GeoLite2-ASN.mmdb
diff --git a/bin/tests/system/geoip2/data/README.md b/bin/tests/system/geoip2/data/README.md
new file mode 100644
index 0000000..e326843
--- /dev/null
+++ b/bin/tests/system/geoip2/data/README.md
@@ -0,0 +1,23 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+##### Test MMDB databases
+
+This directory contains test versions of the GeoIP2/GeoLite2 CIty,
+Country, Domain, ISP, and ASN databases. The `.mmdb` files are built
+from the corresponding `.json` source files; to regenerate them, modify
+the source files and run `perl write-test-data.pl`.
+
+This script is adapted from one in
+[https://github.com/maxmind/MaxMind-DB](https://github.com/maxmind/MaxMind-DB).
+It depends on the MaxMind:DB:Writer module, which can be found in
+CPAN or at
+[https://github.com/maxmind/MaxMind-DB-Writer-perl](https://github.com/maxmind/MaxMind-DB-Writer-perl) .
diff --git a/bin/tests/system/geoip2/data/write-test-data.pl b/bin/tests/system/geoip2/data/write-test-data.pl
new file mode 100755
index 0000000..d12a014
--- /dev/null
+++ b/bin/tests/system/geoip2/data/write-test-data.pl
@@ -0,0 +1,194 @@
+#!/usr/bin/env perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use strict;
+use warnings;
+use autodie;
+use utf8;
+
+use Carp qw( croak );
+use Cwd qw( abs_path );
+use File::Basename qw( dirname );
+use File::Slurper qw( read_binary write_binary );
+use Cpanel::JSON::XS qw( decode_json );
+use Math::Int128 qw( MAX_UINT128 string_to_uint128 uint128 );
+use MaxMind::DB::Writer::Serializer 0.100004;
+use MaxMind::DB::Writer::Tree 0.100004;
+use MaxMind::DB::Writer::Util qw( key_for_data );
+use Net::Works::Network;
+use Test::MaxMind::DB::Common::Util qw( standard_test_metadata );
+
+my $Dir = dirname( abs_path($0) );
+
+sub main {
+    write_geoip2_dbs();
+}
+
+sub write_geoip2_dbs {
+    _write_geoip2_db( @{$_}[ 0, 1 ], 'Test' )
+        for (
+        ['GeoIP2-City'],
+        ['GeoIP2-Country'],
+        ['GeoIP2-Domain'],
+        ['GeoIP2-ISP'],
+        ['GeoLite2-ASN'],
+        );
+}
+
+sub _universal_map_key_type_callback {
+    my $map = {
+
+        # languages
+        de      => 'utf8_string',
+        en      => 'utf8_string',
+        es      => 'utf8_string',
+        fr      => 'utf8_string',
+        ja      => 'utf8_string',
+        'pt-BR' => 'utf8_string',
+        ru      => 'utf8_string',
+        'zh-CN' => 'utf8_string',
+
+        # production
+        accuracy_radius                => 'uint16',
+        autonomous_system_number       => 'uint32',
+        autonomous_system_organization => 'utf8_string',
+        average_income                 => 'uint32',
+        city                           => 'map',
+        code                           => 'utf8_string',
+        confidence                     => 'uint16',
+        connection_type                => 'utf8_string',
+        continent                      => 'map',
+        country                        => 'map',
+        domain                         => 'utf8_string',
+        geoname_id                     => 'uint32',
+        ipv4_24                        => 'uint32',
+        ipv4_32                        => 'uint32',
+        ipv6_32                        => 'uint32',
+        ipv6_48                        => 'uint32',
+        ipv6_64                        => 'uint32',
+        is_anonymous                   => 'boolean',
+        is_anonymous_proxy             => 'boolean',
+        is_anonymous_vpn               => 'boolean',
+        is_hosting_provider            => 'boolean',
+        is_in_european_union           => 'boolean',
+        is_legitimate_proxy            => 'boolean',
+        is_public_proxy                => 'boolean',
+        is_satellite_provider          => 'boolean',
+        is_tor_exit_node               => 'boolean',
+        iso_code                       => 'utf8_string',
+        isp                            => 'utf8_string',
+        latitude                       => 'double',
+        location                       => 'map',
+        longitude                      => 'double',
+        metro_code                     => 'uint16',
+        names                          => 'map',
+        organization                   => 'utf8_string',
+        population_density             => 'uint32',
+        postal                         => 'map',
+        registered_country             => 'map',
+        represented_country            => 'map',
+        subdivisions                   => [ 'array', 'map' ],
+        time_zone                      => 'utf8_string',
+        traits                         => 'map',
+        traits                         => 'map',
+        type                           => 'utf8_string',
+        user_type                      => 'utf8_string',
+
+        # for testing only
+        foo       => 'utf8_string',
+        bar       => 'utf8_string',
+        buzz      => 'utf8_string',
+        our_value => 'utf8_string',
+    };
+
+    my $callback = sub {
+        my $key = shift;
+
+        return $map->{$key} || die <<"ERROR";
+Unknown tree key '$key'.
+
+The universal_map_key_type_callback doesn't know what type to use for the passed
+key.  If you are adding a new key that will be used in a frozen tree / mmdb then
+you should update the mapping in both our internal code and here.
+ERROR
+    };
+
+    return $callback;
+}
+
+sub _write_geoip2_db {
+    my $type                            = shift;
+    my $populate_all_networks_with_data = shift;
+    my $description                     = shift;
+
+    my $writer = MaxMind::DB::Writer::Tree->new(
+        ip_version    => 6,
+        record_size   => 28,
+        ip_version    => 6,
+        database_type => $type,
+        languages     => [ 'en', $type eq 'GeoIP2-City' ? ('zh') : () ],
+        description   => {
+            en => ( $type =~ s/-/ /gr )
+                . " $description Database (fake GeoIP2 data, for example purposes only)",
+            $type eq 'GeoIP2-City' ? ( zh => '�型数�库' ) : (),
+        },
+        alias_ipv6_to_ipv4    => 1,
+        map_key_type_callback => _universal_map_key_type_callback(),
+        remove_reserved_networks => 0,
+    );
+
+    _populate_all_networks( $writer, $populate_all_networks_with_data )
+        if $populate_all_networks_with_data;
+
+    my $value = shift;
+    my $nodes
+        = decode_json( read_binary("$Dir/$type.json") );
+
+    for my $node (@$nodes) {
+        for my $network ( keys %$node ) {
+            $writer->insert_network(
+                Net::Works::Network->new_from_string( string => $network ),
+                $node->{$network}
+            );
+        }
+    }
+
+    open my $output_fh, '>', "$Dir/$type.mmdb";
+    $writer->write_tree($output_fh);
+    close $output_fh;
+
+    return;
+}
+
+sub _populate_all_networks {
+    my $writer = shift;
+    my $data   = shift;
+
+    my $max_uint128 = uint128(0) - 1;
+    my @networks    = Net::Works::Network->range_as_subnets(
+        Net::Works::Address->new_from_integer(
+            integer => 0,
+            version => 6,
+        ),
+        Net::Works::Address->new_from_integer(
+            integer => $max_uint128,
+            version => 6,
+        ),
+    );
+
+    for my $network (@networks) {
+        $writer->insert_network( $network => $data );
+    }
+}
+
+main();
diff --git a/bin/tests/system/geoip2/ns2/example.db.in b/bin/tests/system/geoip2/ns2/example.db.in
new file mode 100644
index 0000000..fa3874c
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/example.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
diff --git a/bin/tests/system/geoip2/ns2/named1.conf.in b/bin/tests/system/geoip2/ns2/named1.conf.in
new file mode 100644
index 0000000..2b01a5c
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named1.conf.in
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view one {
+	match-clients { geoip db country country AU; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view two {
+	match-clients { geoip db country country US; };
+	zone "example" {
+		type primary;
+		file "example2.db";
+	};
+};
+
+view three {
+	match-clients { geoip db country country GB; };
+	zone "example" {
+		type primary;
+		file "example3.db";
+	};
+};
+
+view four {
+	match-clients { geoip db country country CA; };
+	zone "example" {
+		type primary;
+		file "example4.db";
+	};
+};
+
+view five {
+	match-clients { geoip db country country CL; };
+	zone "example" {
+		type primary;
+		file "example5.db";
+	};
+};
+
+view six {
+	match-clients { geoip db country country DE; };
+	zone "example" {
+		type primary;
+		file "example6.db";
+	};
+};
+
+view seven {
+	match-clients { geoip db country country EH; };
+	zone "example" {
+		type primary;
+		file "example7.db";
+	};
+};
+
+view other {
+	match-clients { geoip db country country O1; };
+	zone "example" {
+		type primary;
+		file "exampleother.db";
+	};
+};
+
+view none {
+	match-clients { any; };
+	zone "example" {
+		type primary;
+		file "example.db.in";
+	};
+};
diff --git a/bin/tests/system/geoip2/ns2/named10.conf.in b/bin/tests/system/geoip2/ns2/named10.conf.in
new file mode 100644
index 0000000..5cac0f7
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named10.conf.in
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view one {
+	match-clients { geoip asnum 100001; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view two {
+	match-clients { geoip asnum 100002; };
+	zone "example" {
+		type primary;
+		file "example2.db";
+	};
+};
+
+view three {
+	match-clients { geoip asnum 100003; };
+	zone "example" {
+		type primary;
+		file "example3.db";
+	};
+};
+
+view four {
+	match-clients { geoip asnum 100004; };
+	zone "example" {
+		type primary;
+		file "example4.db";
+	};
+};
+
+view five {
+	match-clients { geoip asnum 100005; };
+	zone "example" {
+		type primary;
+		file "example5.db";
+	};
+};
+
+view six {
+	match-clients { geoip asnum 100006; };
+	zone "example" {
+		type primary;
+		file "example6.db";
+	};
+};
+
+view seven {
+	match-clients { geoip asnum 100007; };
+	zone "example" {
+		type primary;
+		file "example7.db";
+	};
+};
+
+view none {
+	match-clients { any; };
+	zone "example" {
+		type primary;
+		file "example.db.in";
+	};
+};
diff --git a/bin/tests/system/geoip2/ns2/named11.conf.in b/bin/tests/system/geoip2/ns2/named11.conf.in
new file mode 100644
index 0000000..b6d2a44
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named11.conf.in
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view one {
+	match-clients { geoip domain one.de; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view two {
+	match-clients { geoip domain two.com; };
+	zone "example" {
+		type primary;
+		file "example2.db";
+	};
+};
+
+view three {
+	match-clients { geoip domain three.com; };
+	zone "example" {
+		type primary;
+		file "example3.db";
+	};
+};
+
+view four {
+	match-clients { geoip domain four.edu; };
+	zone "example" {
+		type primary;
+		file "example4.db";
+	};
+};
+
+view five {
+	match-clients { geoip domain five.es; };
+	zone "example" {
+		type primary;
+		file "example5.db";
+	};
+};
+
+view six {
+	match-clients { geoip domain six.it; };
+	zone "example" {
+		type primary;
+		file "example6.db";
+	};
+};
+
+view seven {
+	match-clients { geoip domain seven.org; };
+	zone "example" {
+		type primary;
+		file "example7.db";
+	};
+};
+
+view none {
+	match-clients { any; };
+	zone "example" {
+		type primary;
+		file "example.db.in";
+	};
+};
diff --git a/bin/tests/system/geoip2/ns2/named12.conf.in b/bin/tests/system/geoip2/ns2/named12.conf.in
new file mode 100644
index 0000000..2528164
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named12.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+acl blocking {
+	geoip db country country AU;
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+	blackhole { blocking; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
diff --git a/bin/tests/system/geoip2/ns2/named2.conf.in b/bin/tests/system/geoip2/ns2/named2.conf.in
new file mode 100644
index 0000000..c28f15b
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named2.conf.in
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 127.0.0.1; 10.53.0.2; };
+	listen-on-v6 { ::1; fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+acl gAU { geoip db country country AU; };
+acl gUS { geoip db country country US; };
+acl gGB { geoip db country country GB; };
+acl gCA { geoip db country country CA; };
+acl gCL { geoip db country country CL; };
+acl gDE { geoip db country country DE; };
+acl gEH { geoip db country country EH; };
+
+view one {
+	match-clients { gAU; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view two {
+	match-clients { gUS; };
+	zone "example" {
+		type primary;
+		file "example2.db";
+	};
+};
+
+view three {
+	match-clients { gGB; };
+	zone "example" {
+		type primary;
+		file "example3.db";
+	};
+};
+
+view four {
+	match-clients { gCA; };
+	zone "example" {
+		type primary;
+		file "example4.db";
+	};
+};
+
+view five {
+	match-clients { gCL; };
+	zone "example" {
+		type primary;
+		file "example5.db";
+	};
+};
+
+view six {
+	match-clients { gDE; };
+	zone "example" {
+		type primary;
+		file "example6.db";
+	};
+};
+
+view seven {
+	match-clients { gEH; };
+	zone "example" {
+		type primary;
+		file "example7.db";
+	};
+};
+
+view none {
+	match-clients { any; };
+	zone "example" {
+		type primary;
+		file "examplebogus.db";
+	};
+};
diff --git a/bin/tests/system/geoip2/ns2/named3.conf.in b/bin/tests/system/geoip2/ns2/named3.conf.in
new file mode 100644
index 0000000..f3b35e5
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named3.conf.in
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view one {
+	match-clients { geoip db country country Australia; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view two {
+	match-clients { geoip db country country "United States"; };
+	zone "example" {
+		type primary;
+		file "example2.db";
+	};
+};
+
+view three {
+	match-clients { geoip db country country "United Kingdom"; };
+	zone "example" {
+		type primary;
+		file "example3.db";
+	};
+};
+
+view four {
+	match-clients { geoip db country country Canada; };
+	zone "example" {
+		type primary;
+		file "example4.db";
+	};
+};
+
+view five {
+	match-clients { geoip db country country Chile; };
+	zone "example" {
+		type primary;
+		file "example5.db";
+	};
+};
+
+view six {
+	match-clients { geoip db country country Germany; };
+	zone "example" {
+		type primary;
+		file "example6.db";
+	};
+};
+
+view seven {
+	match-clients { geoip db country country "Western Sahara"; };
+	zone "example" {
+		type primary;
+		file "example7.db";
+	};
+};
+
+view none {
+	match-clients { any; };
+	zone "example" {
+		type primary;
+		file "example.db.in";
+	};
+};
diff --git a/bin/tests/system/geoip2/ns2/named4.conf.in b/bin/tests/system/geoip2/ns2/named4.conf.in
new file mode 100644
index 0000000..7ccd200
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named4.conf.in
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view one {
+	match-clients { geoip db country continent OC; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view two {
+	match-clients { geoip db country continent NA; };
+	zone "example" {
+		type primary;
+		file "example2.db";
+	};
+};
+
+view three {
+	match-clients { geoip db country continent EU; };
+	zone "example" {
+		type primary;
+		file "example3.db";
+	};
+};
+
+view five {
+	match-clients { geoip db country continent SA; };
+	zone "example" {
+		type primary;
+		file "example5.db";
+	};
+};
+
+view seven {
+	match-clients { geoip db country continent AF; };
+	zone "example" {
+		type primary;
+		file "example7.db";
+	};
+};
+
+view none {
+	match-clients { any; };
+	zone "example" {
+		type primary;
+		file "example.db.in";
+	};
+};
diff --git a/bin/tests/system/geoip2/ns2/named5.conf.in b/bin/tests/system/geoip2/ns2/named5.conf.in
new file mode 100644
index 0000000..ec0b371
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named5.conf.in
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view one {
+	match-clients { geoip region CA; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view three {
+	match-clients { geoip region OK; };
+	zone "example" {
+		type primary;
+		file "example3.db";
+	};
+};
+
+view four {
+	match-clients { geoip region VA; };
+	zone "example" {
+		type primary;
+		file "example4.db";
+	};
+};
+
+view five {
+	match-clients { geoip region GA; };
+	zone "example" {
+		type primary;
+		file "example5.db";
+	};
+};
+
+view six {
+	match-clients { geoip region CO; };
+	zone "example" {
+		type primary;
+		file "example6.db";
+	};
+};
+
+view seven {
+	match-clients { geoip region AK; };
+	zone "example" {
+		type primary;
+		file "example7.db";
+	};
+};
+
+view none {
+	match-clients { any; };
+	zone "example" {
+		type primary;
+		file "example.db.in";
+	};
+};
diff --git a/bin/tests/system/geoip2/ns2/named6.conf.in b/bin/tests/system/geoip2/ns2/named6.conf.in
new file mode 100644
index 0000000..b2bb091
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named6.conf.in
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view one {
+	match-clients { geoip city "Redwood City"; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view two {
+	match-clients { geoip city "Santa Cruz"; };
+	zone "example" {
+		type primary;
+		file "example2.db";
+	};
+};
+
+view three {
+	match-clients { geoip city "Oklahoma City"; };
+	zone "example" {
+		type primary;
+		file "example3.db";
+	};
+};
+
+view four {
+	match-clients { geoip city "Ashland"; };
+	zone "example" {
+		type primary;
+		file "example4.db";
+	};
+};
+
+view five {
+	match-clients { geoip city "Atlanta"; };
+	zone "example" {
+		type primary;
+		file "example5.db";
+	};
+};
+
+view six {
+	match-clients { geoip city "Morrison"; };
+	zone "example" {
+		type primary;
+		file "example6.db";
+	};
+};
+
+view seven {
+	match-clients { geoip city "Ketchikan"; };
+	zone "example" {
+		type primary;
+		file "example7.db";
+	};
+};
+
+view none {
+	match-clients { any; };
+	zone "example" {
+		type primary;
+		file "example.db.in";
+	};
+};
diff --git a/bin/tests/system/geoip2/ns2/named7.conf.in b/bin/tests/system/geoip2/ns2/named7.conf.in
new file mode 100644
index 0000000..99b6960
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named7.conf.in
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view one {
+	match-clients { geoip isp "One Systems, Inc."; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view two {
+	match-clients { geoip isp "Two Technology Ltd."; };
+	zone "example" {
+		type primary;
+		file "example2.db";
+	};
+};
+
+view three {
+	match-clients { geoip isp "Three Network Labs"; };
+	zone "example" {
+		type primary;
+		file "example3.db";
+	};
+};
+
+view four {
+	match-clients { geoip isp "Four University"; };
+	zone "example" {
+		type primary;
+		file "example4.db";
+	};
+};
+
+view five {
+	match-clients { geoip isp "Five Telecom"; };
+	zone "example" {
+		type primary;
+		file "example5.db";
+	};
+};
+
+view six {
+	match-clients { geoip isp "Six Company"; };
+	zone "example" {
+		type primary;
+		file "example6.db";
+	};
+};
+
+view seven {
+	match-clients { geoip isp "Seven Communications"; };
+	zone "example" {
+		type primary;
+		file "example7.db";
+	};
+};
+
+view none {
+	match-clients { any; };
+	zone "example" {
+		type primary;
+		file "example.db.in";
+	};
+};
diff --git a/bin/tests/system/geoip2/ns2/named8.conf.in b/bin/tests/system/geoip2/ns2/named8.conf.in
new file mode 100644
index 0000000..4470ad6
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named8.conf.in
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view one {
+	match-clients { geoip org "One Systems, Inc."; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view two {
+	match-clients { geoip org "Two Technology Ltd."; };
+	zone "example" {
+		type primary;
+		file "example2.db";
+	};
+};
+
+view three {
+	match-clients { geoip org "Three Network Labs"; };
+	zone "example" {
+		type primary;
+		file "example3.db";
+	};
+};
+
+view four {
+	match-clients { geoip org "Four University"; };
+	zone "example" {
+		type primary;
+		file "example4.db";
+	};
+};
+
+view five {
+	match-clients { geoip org "Five Telecom"; };
+	zone "example" {
+		type primary;
+		file "example5.db";
+	};
+};
+
+view six {
+	match-clients { geoip org "Six Company"; };
+	zone "example" {
+		type primary;
+		file "example6.db";
+	};
+};
+
+view seven {
+	match-clients { geoip org "Seven Communications"; };
+	zone "example" {
+		type primary;
+		file "example7.db";
+	};
+};
+
+view none {
+	match-clients { any; };
+	zone "example" {
+		type primary;
+		file "example.db.in";
+	};
+};
diff --git a/bin/tests/system/geoip2/ns2/named9.conf.in b/bin/tests/system/geoip2/ns2/named9.conf.in
new file mode 100644
index 0000000..5aee393
--- /dev/null
+++ b/bin/tests/system/geoip2/ns2/named9.conf.in
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	dnssec-validation no;
+	geoip-directory "../data";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view one {
+	match-clients { geoip asnum "AS100001"; };
+	zone "example" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view two {
+	match-clients { geoip asnum "AS100002"; };
+	zone "example" {
+		type primary;
+		file "example2.db";
+	};
+};
+
+view three {
+	match-clients { geoip asnum "AS100003"; };
+	zone "example" {
+		type primary;
+		file "example3.db";
+	};
+};
+
+view four {
+	match-clients { geoip asnum "AS100004"; };
+	zone "example" {
+		type primary;
+		file "example4.db";
+	};
+};
+
+view five {
+	match-clients { geoip asnum "AS100005"; };
+	zone "example" {
+		type primary;
+		file "example5.db";
+	};
+};
+
+view six {
+	match-clients { geoip asnum "AS100006"; };
+	zone "example" {
+		type primary;
+		file "example6.db";
+	};
+};
+
+view seven {
+	match-clients { geoip asnum "AS100007"; };
+	zone "example" {
+		type primary;
+		file "example7.db";
+	};
+};
+
+view none {
+	match-clients { any; };
+	zone "example" {
+		type primary;
+		file "example.db.in";
+	};
+};
diff --git a/bin/tests/system/geoip2/prereq.sh b/bin/tests/system/geoip2/prereq.sh
new file mode 100644
index 0000000..c06d752
--- /dev/null
+++ b/bin/tests/system/geoip2/prereq.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$FEATURETEST --have-geoip2 || {
+	echo_i "This test requires GeoIP support." >&2
+	exit 255
+}
+exit 0
diff --git a/bin/tests/system/geoip2/setup.sh b/bin/tests/system/geoip2/setup.sh
new file mode 100644
index 0000000..646388f
--- /dev/null
+++ b/bin/tests/system/geoip2/setup.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns2/named1.conf.in ns2/named.conf
+
+for i in 1 2 3 4 5 6 7 other bogus; do
+        cp ns2/example.db.in ns2/example${i}.db
+        echo "@ IN TXT \"$i\"" >> ns2/example$i.db
+done
diff --git a/bin/tests/system/geoip2/tests.sh b/bin/tests/system/geoip2/tests.sh
new file mode 100644
index 0000000..b72a870
--- /dev/null
+++ b/bin/tests/system/geoip2/tests.sh
@@ -0,0 +1,490 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+rm -f dig.out.*
+
+DIGOPTS="+tcp +short -p ${PORT} @10.53.0.2"
+DIGOPTS6="+tcp +short -p ${PORT} @fd92:7065:b8e:ffff::2 -6"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+for conf in conf/good*.conf
+do
+	n=$((n + 1))
+	echo_i "checking that $conf is accepted ($n)"
+	ret=0
+	$CHECKCONF "$conf" || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+done
+
+for conf in conf/bad*.conf
+do
+	n=$((n + 1))
+	echo_i "checking that $conf is rejected ($n)"
+	ret=0
+	$CHECKCONF "$conf" >/dev/null && ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+done
+
+n=$((n + 1))
+echo_i "checking Country database by code using IPv4 ($n)"
+ret=0
+lret=0
+for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS txt example -b 10.53.0.$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+done
+[ $lret -eq 1 ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+if testsock6 fd92:7065:b8e:ffff::3
+then
+  n=$((n + 1))
+  echo_i "checking Country database by code using IPv6 ($n)"
+  ret=0
+  lret=0
+  for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS6 txt example -b fd92:7065:b8e:ffff::$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+  done
+  [ $lret -eq 1 ] && ret=1
+  [ $ret -eq 0 ] || echo_i "failed"
+  status=$((status + ret))
+else
+  echo_i "IPv6 unavailable; skipping IPv6 country code test"
+fi
+
+echo_i "reloading server"
+copy_setports ns2/named2.conf.in ns2/named.conf
+$CHECKCONF ns2/named.conf | cat_i
+rndc_reload ns2 10.53.0.2
+sleep 3
+
+n=$((n + 1))
+echo_i "checking Country database with nested ACLs using IPv4 ($n)"
+ret=0
+lret=0
+for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS txt example -b 10.53.0.$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+done
+[ $lret -eq 1 ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+if testsock6 fd92:7065:b8e:ffff::3
+then
+  n=$((n + 1))
+  echo_i "checking Country database with nested ACLs using IPv6 ($n)"
+  ret=0
+  lret=0
+  for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS6 txt example -b fd92:7065:b8e:ffff::$i > dig.out.ns2.test$n.$i || lret=1
+      j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+      [ "$i" = "$j" ] || lret=1
+      [ $lret -eq 1 ] && break
+  done
+  [ $lret -eq 1 ] && ret=1
+  [ $ret -eq 0 ] || echo_i "failed"
+  status=$((status + ret))
+else
+  echo_i "IPv6 unavailable; skipping IPv6 country nested ACL test"
+fi
+
+echo_i "reloading server"
+copy_setports ns2/named3.conf.in ns2/named.conf
+$CHECKCONF ns2/named.conf | cat_i
+rndc_reload ns2 10.53.0.2
+sleep 3
+
+n=$((n + 1))
+echo_i "checking Country database by name using IPv4 ($n)"
+ret=0
+lret=0
+for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS txt example -b 10.53.0.$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+done
+[ $lret -eq 1 ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+if testsock6 fd92:7065:b8e:ffff::3
+then
+  n=$((n + 1))
+  echo_i "checking Country database by name using IPv6 ($n)"
+  ret=0
+  lret=0
+  for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS6 txt example -b fd92:7065:b8e:ffff::$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+  done
+  [ $lret -eq 1 ] && ret=1
+  [ $ret -eq 0 ] || echo_i "failed"
+  status=$((status + ret))
+else
+  echo_i "IPv6 unavailable; skipping IPv6 country name test"
+fi
+
+echo_i "reloading server"
+copy_setports ns2/named4.conf.in ns2/named.conf
+$CHECKCONF ns2/named.conf | cat_i
+rndc_reload ns2 10.53.0.2
+sleep 3
+
+n=$((n + 1))
+echo_i "checking Country database by continent code using IPv4 ($n)"
+ret=0
+lret=0
+# deliberately skipping 4 and 6 as they have duplicate continents
+for i in 1 2 3 5 7; do
+    $DIG $DIGOPTS txt example -b 10.53.0.$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+done
+[ $lret -eq 1 ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+if testsock6 fd92:7065:b8e:ffff::3
+then
+  n=$((n + 1))
+  echo_i "checking Country database by continent code using IPv6 ($n)"
+  ret=0
+  lret=0
+  # deliberately skipping 4 and 6 as they have duplicate continents
+  for i in 1 2 3 5 7; do
+    $DIG $DIGOPTS6 txt example -b fd92:7065:b8e:ffff::$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+  done
+  [ $lret -eq 1 ] && ret=1
+  [ $ret -eq 0 ] || echo_i "failed"
+  status=$((status + ret))
+else
+  echo_i "IPv6 unavailable; skipping IPv6 continent code test"
+fi
+
+echo_i "reloading server"
+copy_setports ns2/named5.conf.in ns2/named.conf
+$CHECKCONF ns2/named.conf | cat_i
+rndc_reload ns2 10.53.0.2
+sleep 3
+
+n=$((n + 1))
+echo_i "checking City database by region code using IPv4 ($n)"
+ret=0
+lret=0
+# skipping 2 on purpose here; it has the same region code as 1
+for i in 1 3 4 5 6 7; do
+    $DIG $DIGOPTS txt example -b 10.53.0.$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+done
+[ $lret -eq 1 ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+if testsock6 fd92:7065:b8e:ffff::3
+then
+  n=$((n + 1))
+  echo_i "checking City database by region code using IPv6 ($n)"
+  ret=0
+  lret=0
+# skipping 2 on purpose here; it has the same region code as 1
+  for i in 1 3 4 5 6 7; do
+    $DIG $DIGOPTS6 txt example -b fd92:7065:b8e:ffff::$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+  done
+  [ $lret -eq 1 ] && ret=1
+  [ $ret -eq 0 ] || echo_i "failed"
+  status=$((status + ret))
+else
+  echo_i "IPv6 unavailable; skipping IPv6 region code test"
+fi
+
+n=$((n + 1))
+echo_i "reloading server"
+copy_setports ns2/named6.conf.in ns2/named.conf
+$CHECKCONF ns2/named.conf | cat_i
+rndc_reload ns2 10.53.0.2
+sleep 3
+
+n=$((n + 1))
+echo_i "checking City database by city name using IPv4 ($n)"
+ret=0
+lret=0
+for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS txt example -b 10.53.0.$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+done
+[ $lret -eq 1 ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+if testsock6 fd92:7065:b8e:ffff::3
+then
+  n=$((n + 1))
+  echo_i "checking City database by city name using IPv6 ($n)"
+  ret=0
+  lret=0
+  for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS6 txt example -b fd92:7065:b8e:ffff::$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+  done
+  [ $lret -eq 1 ] && ret=1
+  [ $ret -eq 0 ] || echo_i "failed"
+  status=$((status + ret))
+else
+  echo_i "IPv6 unavailable; skipping IPv6 city test"
+fi
+
+echo_i "reloading server"
+copy_setports ns2/named7.conf.in ns2/named.conf
+$CHECKCONF ns2/named.conf | cat_i
+rndc_reload ns2 10.53.0.2
+sleep 3
+
+n=$((n + 1))
+echo_i "checking ISP database using IPv4 ($n)"
+ret=0
+lret=0
+for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS txt example -b 10.53.0.$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+done
+[ $lret -eq 1 ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+if testsock6 fd92:7065:b8e:ffff::3
+then
+  n=$((n + 1))
+  echo_i "checking ISP database using IPv6 ($n)"
+  ret=0
+  lret=0
+  for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS6 txt example -b fd92:7065:b8e:ffff::$i > dig.out.ns2.test$n.$i || lret=1
+      j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+      [ "$i" = "$j" ] || lret=1
+      [ $lret -eq 1 ] && break
+  done
+  [ $lret -eq 1 ] && ret=1
+  [ $ret -eq 0 ] || echo_i "failed"
+  status=$((status + ret))
+else
+  echo_i "IPv6 unavailable; skipping IPv6 ISP test"
+fi
+
+echo_i "reloading server"
+copy_setports ns2/named8.conf.in ns2/named.conf
+$CHECKCONF ns2/named.conf | cat_i
+rndc_reload ns2 10.53.0.2
+sleep 3
+
+n=$((n + 1))
+echo_i "checking ASN database by org name using IPv4 ($n)"
+ret=0
+lret=0
+for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS txt example -b 10.53.0.$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+done
+[ $lret -eq 1 ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+if testsock6 fd92:7065:b8e:ffff::3
+then
+  n=$((n + 1))
+  echo_i "checking ASN database by org name using IPv6 ($n)"
+  ret=0
+  lret=0
+  for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS6 txt example -b fd92:7065:b8e:ffff::$i > dig.out.ns2.test$n.$i || lret=1
+      j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+      [ "$i" = "$j" ] || lret=1
+      [ $lret -eq 1 ] && break
+  done
+  [ $lret -eq 1 ] && ret=1
+  [ $ret -eq 0 ] || echo_i "failed"
+  status=$((status + ret))
+else
+  echo_i "IPv6 unavailable; skipping IPv6 ASN test"
+fi
+
+echo_i "reloading server"
+copy_setports ns2/named9.conf.in ns2/named.conf
+$CHECKCONF ns2/named.conf | cat_i
+rndc_reload ns2 10.53.0.2
+sleep 3
+
+n=$((n + 1))
+echo_i "checking GeoIP6 ASN database, ASNNNN only, using IPv4 ($n)"
+ret=0
+lret=0
+for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS txt example -b 10.53.0.$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+done
+[ $lret -eq 1 ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+if testsock6 fd92:7065:b8e:ffff::3
+then
+  n=$((n + 1))
+  echo_i "checking ASN database, ASNNNN only, using IPv6 ($n)"
+  ret=0
+  lret=0
+  for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS6 txt example -b fd92:7065:b8e:ffff::$i > dig.out.ns2.test$n.$i || lret=1
+      j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+      [ "$i" = "$j" ] || lret=1
+      [ $lret -eq 1 ] && break
+  done
+  [ $lret -eq 1 ] && ret=1
+  [ $ret -eq 0 ] || echo_i "failed"
+  status=$((status + ret))
+else
+  echo_i "IPv6 unavailable; skipping IPv6 ASN test"
+fi
+
+echo_i "reloading server"
+copy_setports ns2/named10.conf.in ns2/named.conf
+$CHECKCONF ns2/named.conf | cat_i
+rndc_reload ns2 10.53.0.2
+sleep 3
+
+n=$((n + 1))
+echo_i "checking GeoIP6 ASN database, NNNN only, using IPv4 ($n)"
+ret=0
+lret=0
+for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS txt example -b 10.53.0.$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+done
+[ $lret -eq 1 ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+if testsock6 fd92:7065:b8e:ffff::3
+then
+  n=$((n + 1))
+  echo_i "checking ASN database, NNNN only, using IPv6 ($n)"
+  ret=0
+  lret=0
+  for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS6 txt example -b fd92:7065:b8e:ffff::$i > dig.out.ns2.test$n.$i || lret=1
+      j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+      [ "$i" = "$j" ] || lret=1
+      [ $lret -eq 1 ] && break
+  done
+  [ $lret -eq 1 ] && ret=1
+  [ $ret -eq 0 ] || echo_i "failed"
+  status=$((status + ret))
+else
+  echo_i "IPv6 unavailable; skipping IPv6 ASN test"
+fi
+
+echo_i "reloading server"
+copy_setports ns2/named11.conf.in ns2/named.conf
+$CHECKCONF ns2/named.conf | cat_i
+rndc_reload ns2 10.53.0.2
+sleep 3
+
+n=$((n + 1))
+echo_i "checking Domain database using IPv4 ($n)"
+ret=0
+lret=0
+for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS txt example -b 10.53.0.$i > dig.out.ns2.test$n.$i || lret=1
+    j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+    [ "$i" = "$j" ] || lret=1
+    [ $lret -eq 1 ] && break
+done
+[ $lret -eq 1 ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+if testsock6 fd92:7065:b8e:ffff::3
+then
+  n=$((n + 1))
+  echo_i "checking Domain database using IPv6 ($n)"
+  ret=0
+  lret=0
+  for i in 1 2 3 4 5 6 7; do
+    $DIG $DIGOPTS6 txt example -b fd92:7065:b8e:ffff::$i > dig.out.ns2.test$n.$i || lret=1
+      j=$(cat dig.out.ns2.test$n.$i | tr -d '"')
+      [ "$i" = "$j" ] || lret=1
+      [ $lret -eq 1 ] && break
+  done
+  [ $lret -eq 1 ] && ret=1
+  [ $ret -eq 0 ] || echo_i "failed"
+  status=$((status + ret))
+else
+  echo_i "IPv6 unavailable; skipping IPv6 Domain test"
+fi
+
+echo_i "reloading server"
+copy_setports ns2/named12.conf.in ns2/named.conf
+$CHECKCONF ns2/named.conf | cat_i
+rndc_reload ns2 10.53.0.2
+sleep 3
+
+n=$((n + 1))
+echo_i "checking geoip blackhole ACL ($n)"
+ret=0
+$DIG $DIGOPTS txt example -b 10.53.0.7 > dig.out.ns2.test$n || ret=1
+$RNDCCMD 10.53.0.2 status 2>&1 > rndc.out.ns2.test$n || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/geoip2/tests_sh_geoip2.py b/bin/tests/system/geoip2/tests_sh_geoip2.py
new file mode 100644
index 0000000..7cac6a8
--- /dev/null
+++ b/bin/tests/system/geoip2/tests_sh_geoip2.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_geoip2(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/get_algorithms.py b/bin/tests/system/get_algorithms.py
new file mode 100755
index 0000000..b2a060d
--- /dev/null
+++ b/bin/tests/system/get_algorithms.py
@@ -0,0 +1,241 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# This script is a 'port' broker.  It keeps track of ports given to the
+# individual system subtests, so every test is given a unique port range.
+
+import logging
+import os
+from pathlib import Path
+import platform
+import random
+import subprocess
+import time
+from typing import Dict, List, NamedTuple, Union
+
+# Uncomment to enable DEBUG logging
+# logging.basicConfig(
+#     format="get_algorithms.py %(levelname)s %(message)s", level=logging.DEBUG
+# )
+
+STABLE_PERIOD = 3600 * 3
+"""number of secs during which algorithm selection remains stable"""
+
+
+class Algorithm(NamedTuple):
+    name: str
+    number: int
+    bits: int
+
+
+class AlgorithmSet(NamedTuple):
+    """Collection of DEFAULT, ALTERNATIVE and DISABLED algorithms"""
+
+    default: Union[Algorithm, List[Algorithm]]
+    """DEFAULT is the algorithm for testing."""
+
+    alternative: Union[Algorithm, List[Algorithm]]
+    """ALTERNATIVE is an alternative algorithm for test cases that require more
+    than one algorithm (for example algorithm rollover)."""
+
+    disabled: Union[Algorithm, List[Algorithm]]
+    """DISABLED is an algorithm that is used for tests against the
+    "disable-algorithms" configuration option."""
+
+
+RSASHA1 = Algorithm("RSASHA1", 5, 1280)
+RSASHA256 = Algorithm("RSASHA256", 8, 1280)
+RSASHA512 = Algorithm("RSASHA512", 10, 1280)
+ECDSAP256SHA256 = Algorithm("ECDSAP256SHA256", 13, 256)
+ECDSAP384SHA384 = Algorithm("ECDSAP384SHA384", 14, 384)
+ED25519 = Algorithm("ED25519", 15, 256)
+ED448 = Algorithm("ED448", 16, 456)
+
+ALL_ALGORITHMS = [
+    RSASHA1,
+    RSASHA256,
+    RSASHA512,
+    ECDSAP256SHA256,
+    ECDSAP384SHA384,
+    ED25519,
+    ED448,
+]
+
+ALGORITHM_SETS = {
+    "stable": AlgorithmSet(
+        default=ECDSAP256SHA256, alternative=RSASHA256, disabled=ECDSAP384SHA384
+    ),
+    "ecc_default": AlgorithmSet(
+        default=[
+            ECDSAP256SHA256,
+            ECDSAP384SHA384,
+            ED25519,
+            ED448,
+        ],
+        alternative=RSASHA256,
+        disabled=RSASHA512,
+    ),
+    # FUTURE The system tests needs more work before they're ready for this.
+    # "random": AlgorithmSet(
+    #     default=ALL_ALGORITHMS,
+    #     alternative=ALL_ALGORITHMS,
+    #     disabled=ALL_ALGORITHMS,
+    # ),
+}
+
+TESTCRYPTO = Path(__file__).resolve().parent / "testcrypto.sh"
+
+KEYGEN = os.getenv("KEYGEN", "")
+if not KEYGEN:
+    raise RuntimeError("KEYGEN environment variable has to be set")
+
+ALGORITHM_SET = os.getenv("ALGORITHM_SET", "stable")
+assert ALGORITHM_SET in ALGORITHM_SETS, f'ALGORITHM_SET "{ALGORITHM_SET}" unknown'
+logging.debug('choosing from ALGORITHM_SET "%s"', ALGORITHM_SET)
+
+
+def is_supported(alg: Algorithm) -> bool:
+    """Test whether a given algorithm is supported on the current platform."""
+    try:
+        subprocess.run(
+            f"{TESTCRYPTO} -q {alg.name}",
+            shell=True,
+            check=True,
+            env={
+                "KEYGEN": KEYGEN,
+                "TMPDIR": os.getenv("TMPDIR", "/tmp"),
+            },
+            stdout=subprocess.DEVNULL,
+        )
+    except subprocess.CalledProcessError as exc:
+        logging.debug(exc)
+        logging.info("algorithm %s not supported", alg.name)
+        return False
+    return True
+
+
+def filter_supported(algs: AlgorithmSet) -> AlgorithmSet:
+    """Select supported algorithms from the set."""
+    filtered = {}
+    for alg_type in algs._fields:
+        candidates = getattr(algs, alg_type)
+        if isinstance(candidates, Algorithm):
+            candidates = [candidates]
+        supported = list(filter(is_supported, candidates))
+        if len(supported) == 1:
+            supported = supported.pop()
+        elif not supported:
+            raise RuntimeError(
+                f'no {alg_type.upper()} algorithm from "{ALGORITHM_SET}" set '
+                "supported on this platform"
+            )
+        filtered[alg_type] = supported
+    return AlgorithmSet(**filtered)
+
+
+def select_random(algs: AlgorithmSet, stable_period=STABLE_PERIOD) -> AlgorithmSet:
+    """Select random DEFAULT, ALTERNATIVE and DISABLED algorithms from the set.
+
+    The algorithm selection is deterministic for a given time period and
+    platform. This should make potential issues more reproducible.
+
+    To increase the likelyhood of detecting an issue with a given algorithm in
+    CI, the current platform is used as a randomness source. When testing on
+    multiple platforms at the same time, this ensures more algorithm variance
+    while keeping reproducibility for a single platform.
+
+    The function also ensures that DEFAULT, ALTERNATIVE and DISABLED algorithms
+    are all different.
+    """
+    # FUTURE Random selection of ALTERNATIVE and DISABLED algorithms needs to
+    # be implemented.
+    alternative = algs.alternative
+    disabled = algs.disabled
+    assert isinstance(
+        alternative, Algorithm
+    ), "ALTERNATIVE algorithm randomization not supported yet"
+    assert isinstance(
+        disabled, Algorithm
+    ), "DISABLED algorithm randomization not supported yet"
+
+    # initialize randomness
+    now = time.time()
+    time_seed = int(now - now % stable_period)
+    seed = f"{platform.platform()}_{time_seed}"
+    random.seed(seed)
+
+    # DEFAULT selection
+    if isinstance(algs.default, Algorithm):
+        default = algs.default
+    else:
+        candidates = algs.default
+        for taken in [alternative, disabled]:
+            try:
+                candidates.remove(taken)
+            except ValueError:
+                pass
+        assert len(candidates), "no possible choice for DEFAULT algorithm"
+        random.shuffle(candidates)
+        default = candidates[0]
+
+    # Ensure only single algorithm is present for each option
+    assert isinstance(default, Algorithm)
+    assert isinstance(alternative, Algorithm)
+    assert isinstance(disabled, Algorithm)
+
+    assert default != alternative, "DEFAULT and ALTERNATIVE algorithms are the same"
+    assert default != disabled, "DEFAULT and DISABLED algorithms are the same"
+    assert alternative != disabled, "ALTERNATIVE and DISABLED algorithms are the same"
+
+    return AlgorithmSet(default, alternative, disabled)
+
+
+def algorithms_env(algs: AlgorithmSet) -> Dict[str, str]:
+    """Return environment variables with selected algorithms as a dict."""
+    algs_env: Dict[str, str] = {}
+
+    def set_alg_env(alg: Algorithm, prefix):
+        algs_env[f"{prefix}_ALGORITHM"] = alg.name
+        algs_env[f"{prefix}_ALGORITHM_NUMBER"] = str(alg.number)
+        algs_env[f"{prefix}_BITS"] = str(alg.bits)
+
+    assert isinstance(algs.default, Algorithm)
+    assert isinstance(algs.alternative, Algorithm)
+    assert isinstance(algs.disabled, Algorithm)
+
+    set_alg_env(algs.default, "DEFAULT")
+    set_alg_env(algs.alternative, "ALTERNATIVE")
+    set_alg_env(algs.disabled, "DISABLED")
+
+    logging.info("selected algorithms: %s", algs_env)
+    return algs_env
+
+
+def main():
+    try:
+        algs = ALGORITHM_SETS[ALGORITHM_SET]
+        algs = filter_supported(algs)
+        algs = select_random(algs)
+        algs_env = algorithms_env(algs)
+    except Exception:
+        # if anything goes wrong, the conf.sh ignores error codes, so make sure
+        # we set an environment variable to an error value that can be checked
+        # later by the test runner and/or tests themselves
+        print("export ALGORITHM_SET=error")
+        raise
+    for name, value in algs_env.items():
+        print(f"export {name}={value}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/bin/tests/system/get_core_dumps.sh b/bin/tests/system/get_core_dumps.sh
new file mode 100755
index 0000000..d4f6ec7
--- /dev/null
+++ b/bin/tests/system/get_core_dumps.sh
@@ -0,0 +1,70 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+dir=$(dirname "$0")
+. "$dir/conf.sh"
+
+systest=$1
+status=0
+
+export SYSTESTDIR="${TOP_BUILDDIR}/bin/tests/system/${systest}"
+
+get_core_dumps() {
+    find "$SYSTESTDIR/" \( -name 'core' -or -name 'core.*' -or -name '*.core' \) ! -name '*.gz' ! -name '*.txt' | sort
+}
+
+core_dumps=$(get_core_dumps | tr '\n' ' ')
+if [ -n "$core_dumps" ]; then
+    status=1
+    echoinfo "I:$systest:Core dump(s) found: $core_dumps"
+    get_core_dumps | while read -r coredump; do
+        echoinfo "D:$systest:backtrace from $coredump:"
+        echoinfo "D:$systest:--------------------------------------------------------------------------------"
+        binary=$(gdb --batch --core="$coredump" 2>/dev/null | sed -ne "s|Core was generated by \`\([^' ]*\)[' ].*|\1|p")
+        if [ ! -f "${binary}" ]; then
+            binary=$(find "${TOP_BUILDDIR}" -path "*/.libs/${binary}" -type f)
+        fi
+        "${TOP_BUILDDIR}/libtool" --mode=execute gdb \
+                                  -batch \
+                                  -ex bt \
+                                  -core="$coredump" \
+                                  -- \
+                                  "$binary" 2>/dev/null | sed -n '/^Core was generated by/,$p' | cat_d
+        echoinfo "D:$systest:--------------------------------------------------------------------------------"
+        coredump_backtrace="${coredump}-backtrace.txt"
+        echoinfo "D:$systest:full backtrace from $coredump saved in $coredump_backtrace"
+        "${TOP_BUILDDIR}/libtool" --mode=execute gdb \
+                                  -batch \
+                                  -command="${TOP_SRCDIR}/bin/tests/system/run.gdb" \
+                                  -core="$coredump" \
+                                  -- \
+                                  "$binary" > "$coredump_backtrace" 2>&1
+        echoinfo "D:$systest:core dump $coredump archived as $coredump.gz"
+        gzip -1 "${coredump}"
+    done
+fi
+
+assertion_failures=$(find "$SYSTESTDIR/" -name named.run -exec grep "assertion failure" {} + | wc -l)
+if [ "$assertion_failures" -ne 0 ]; then
+    status=1
+    echoinfo "I:$systest:$assertion_failures assertion failure(s) found"
+fi
+
+tsan_failures=$(find "$SYSTESTDIR/" -name 'tsan.*' | wc -l)
+if [ "$tsan_failures" -ne 0 ]; then
+    status=1
+    echoinfo "I:$systest:$tsan_failures TSAN sanitizer report(s) found"
+    find "$SYSTESTDIR/" -name 'tsan.*' -exec grep "SUMMARY: " {} + | sort -u | cat_d
+fi
+
+exit $status
diff --git a/bin/tests/system/get_ports.sh b/bin/tests/system/get_ports.sh
new file mode 100755
index 0000000..b44e3ef
--- /dev/null
+++ b/bin/tests/system/get_ports.sh
@@ -0,0 +1,72 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# This script is a 'port' broker.  It keeps track of ports given to the
+# individual system subtests, so every test is given a unique port range.
+
+get_sorted_test_names() {
+	find . -maxdepth 2 -mindepth 2 -type f \( -name "tests.sh" -o -name "tests*.py" \) | cut -d/ -f2 | sort -u
+}
+
+total_tests=$(get_sorted_test_names | wc -l)
+ports_per_test=20
+
+port_min=5001
+port_max=$((32767 - (total_tests * ports_per_test)))
+
+baseport=0
+test_index=0
+while getopts "p:t:-:" OPT; do
+    if [ "$OPT" = "-" ] && [ -n "$OPTARG" ]; then
+	OPT="${OPTARG%%=*}"
+	OPTARG="${OPTARG#$OPT}"
+	OPTARG="${OPTARG#=}"
+    fi
+
+    # shellcheck disable=SC2214
+    case "$OPT" in
+	p | port) baseport=$OPTARG ;;
+	t | test)
+		test_index=$(get_sorted_test_names | awk "/^${OPTARG}\$/ { print NR }")
+		if [ -z "${test_index}" ]; then
+			echo "Test '${OPTARG}' not found" >&2
+			exit 1
+		fi
+		;;
+	-) break ;;
+	*) echo "invalid option" >&2; exit 1 ;;
+    esac
+done
+
+port_pool_size=$((port_max - port_min))
+if [ "${baseport}" -eq 0 ]; then
+	baseport="$((($(date +%s) / 3600 % port_pool_size) + port_min + (test_index * ports_per_test)))"
+fi
+
+echo "export PORT=$((baseport))"
+echo "export TLSPORT=$((baseport + 1))"
+echo "export HTTPPORT=$((baseport + 2))"
+echo "export HTTPSPORT=$((baseport + 3))"
+echo "export EXTRAPORT1=$((baseport + 4))"
+echo "export EXTRAPORT2=$((baseport + 5))"
+echo "export EXTRAPORT3=$((baseport + 6))"
+echo "export EXTRAPORT4=$((baseport + 7))"
+echo "export EXTRAPORT5=$((baseport + 8))"
+echo "export EXTRAPORT6=$((baseport + 9))"
+echo "export EXTRAPORT7=$((baseport + 10))"
+echo "export EXTRAPORT8=$((baseport + 11))"
+echo "export CONTROLPORT=$((baseport + 12))"
+
+# Local Variables:
+# sh-basic-offset: 4
+# End:
diff --git a/bin/tests/system/glue/clean.sh b/bin/tests/system/glue/clean.sh
new file mode 100644
index 0000000..4d84f06
--- /dev/null
+++ b/bin/tests/system/glue/clean.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after glue tests.
+#
+
+rm -f dig.out
+rm -f */named.conf
+rm -f */named.memstats
+rm -f */named.run
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/glue/fi.good b/bin/tests/system/glue/fi.good
new file mode 100644
index 0000000..a08bc7a
--- /dev/null
+++ b/bin/tests/system/glue/fi.good
@@ -0,0 +1,27 @@
+
+; <<>> DiG 9.0 <<>> +norec @10.53.0.1 -p 5300 foo.bar.fi. A
+;; global options:  printcmd
+;; Got answer:
+;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58772
+;; flags: qr ad; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7
+
+;; QUESTION SECTION:
+;foo.bar.fi.			IN	A
+
+;; AUTHORITY SECTION:
+fi.			172800	IN	NS	NS.EU.NET.
+fi.			172800	IN	NS	NS.TELE.fi.
+fi.			172800	IN	NS	PRIFI.EUNET.fi.
+fi.			172800	IN	NS	NS.UU.NET.
+fi.			172800	IN	NS	T.NS.VERIO.NET.
+fi.			172800	IN	NS	HYDRA.HELSINKI.fi.
+
+;; ADDITIONAL SECTION:
+NS.TELE.fi.		172800	IN	A	193.210.19.19
+NS.TELE.fi.		172800	IN	A	193.210.18.18
+PRIFI.EUNET.fi.		172800	IN	A	193.66.1.146
+NS.UU.NET.		172800	IN	A	137.39.1.3
+T.NS.VERIO.NET.		172800	IN	A	192.67.14.16
+HYDRA.HELSINKI.fi.	172800	IN	A	128.214.4.29
+NS.EU.NET.		172800	IN	A	192.16.202.11
+
diff --git a/bin/tests/system/glue/noglue.good b/bin/tests/system/glue/noglue.good
new file mode 100644
index 0000000..22eca7b
--- /dev/null
+++ b/bin/tests/system/glue/noglue.good
@@ -0,0 +1,14 @@
+
+; <<>> DiG 9.0 <<>> @10.53.0.1 -p 5300 example.net a
+;; global options:  printcmd
+;; Got answer:
+;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29409
+;; flags: qr rd ad; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 0
+
+;; QUESTION SECTION:
+;example.net.			IN	A
+
+;; AUTHORITY SECTION:
+example.net.		300	IN	NS	ns2.example.
+example.net.		300	IN	NS	ns1.example.
+
diff --git a/bin/tests/system/glue/ns1/named.conf.in b/bin/tests/system/glue/ns1/named.conf.in
new file mode 100644
index 0000000..9ac9bc5
--- /dev/null
+++ b/bin/tests/system/glue/ns1/named.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "root-servers.nil" {
+	type primary;
+	file "root-servers.nil.db";
+};
+zone "net" {
+	type primary;
+	file "net.db";
+};
diff --git a/bin/tests/system/glue/ns1/net.db b/bin/tests/system/glue/ns1/net.db
new file mode 100644
index 0000000..db784cc
--- /dev/null
+++ b/bin/tests/system/glue/ns1/net.db
@@ -0,0 +1,34 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN net.
+$TTL 300
+@ 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	a.root-servers.nil.
+
+; FI. authoritative servers, for the FI. glue test.
+uu.net.			NS	ns.uu.net.
+NS.UU.NET.		172800	IN	A	137.39.1.3
+eu.net.			NS	ns.eu.net.
+NS.EU.NET.		172800	IN	A	192.16.202.11
+
+; Referral outside of server authority, but with glue records present.
+; Don't hand out the glue.
+example.net.			NS	ns1.example.
+example.net.			NS	ns2.example.
+ns1.example.		172800	IN	A	1.1.1.1
+ns2.example.		172800	IN	A	2.2.2.2
diff --git a/bin/tests/system/glue/ns1/root-servers.nil.db b/bin/tests/system/glue/ns1/root-servers.nil.db
new file mode 100644
index 0000000..1475aed
--- /dev/null
+++ b/bin/tests/system/glue/ns1/root-servers.nil.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@			IN SOA	ns hostmaster (
+				1
+				3600
+				1800
+				1814400
+				3600
+				)
+			NS	a
+a			A	10.53.0.1
+b			A	10.53.0.2
+
+
+
diff --git a/bin/tests/system/glue/ns1/root.db b/bin/tests/system/glue/ns1/root.db
new file mode 100644
index 0000000..debdf01
--- /dev/null
+++ b/bin/tests/system/glue/ns1/root.db
@@ -0,0 +1,44 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+
+root-servers.nil.	NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+; Delegate some domains that contain name servers for the sample
+; ccTLDs below.
+net.			172800	IN	NS	a.root-servers.nil.
+
+;
+; A sample ccTLD
+;
+fi.			172800	IN	NS	NS.TELE.fi.
+fi.			172800	IN	NS	PRIFI.EUNET.fi.
+fi.			172800	IN	NS	NS.UU.NET.
+fi.			172800	IN	NS	T.NS.VERIO.NET.
+fi.			172800	IN	NS	HYDRA.HELSINKI.fi.
+fi.			172800	IN	NS	NS.EU.NET.
+NS.TELE.fi.		172800	IN	A	193.210.18.18
+NS.TELE.fi.		172800	IN	A	193.210.19.19
+PRIFI.EUNET.fi.		172800	IN	A	193.66.1.146
+NS.UU.NET.		172800	IN	A	137.39.1.3
+T.NS.VERIO.NET.		172800	IN	A	192.67.14.16
+HYDRA.HELSINKI.fi.	172800	IN	A	128.214.4.29
+NS.EU.NET.		172800	IN	A	192.16.202.11
diff --git a/bin/tests/system/glue/setup.sh b/bin/tests/system/glue/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/glue/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/glue/tests.sh b/bin/tests/system/glue/tests.sh
new file mode 100644
index 0000000..2dcacbf
--- /dev/null
+++ b/bin/tests/system/glue/tests.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+#
+# Do glue tests.
+#
+
+DIGOPTS="+norec -p ${PORT}"
+
+status=0
+
+echo_i "testing that a ccTLD referral gets a full glue set from the root zone"
+$DIG $DIGOPTS @10.53.0.1 foo.bar.fi. A >dig.out || status=1
+digcomp --lc fi.good dig.out || status=1
+
+echo_i "testing that we don't find out-of-zone glue"
+$DIG $DIGOPTS @10.53.0.1 example.net. a > dig.out || status=1
+digcomp noglue.good dig.out || status=1
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/glue/tests_sh_glue.py b/bin/tests/system/glue/tests_sh_glue.py
new file mode 100644
index 0000000..4f3ff04
--- /dev/null
+++ b/bin/tests/system/glue/tests_sh_glue.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_glue(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/hooks/clean.sh b/bin/tests/system/hooks/clean.sh
new file mode 100644
index 0000000..83463eb
--- /dev/null
+++ b/bin/tests/system/hooks/clean.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */named.run
+rm -f */named.conf
+rm -f */named.memstats
diff --git a/bin/tests/system/hooks/driver/Makefile.am b/bin/tests/system/hooks/driver/Makefile.am
new file mode 100644
index 0000000..b0c4b79
--- /dev/null
+++ b/bin/tests/system/hooks/driver/Makefile.am
@@ -0,0 +1,12 @@
+include $(top_srcdir)/Makefile.top
+
+AM_CPPFLAGS +=			\
+	$(LIBISC_CFLAGS)	\
+	$(LIBDNS_CFLAGS)	\
+	$(LIBNS_CFLAGS)		\
+	$(LIBISCCFG_CFLAGS)
+
+noinst_LTLIBRARIES = test-async.la
+
+test_async_la_SOURCES = test-async.c
+test_async_la_LDFLAGS = -avoid-version -module -shared -export-dynamic -rpath $(abs_builddir)
diff --git a/bin/tests/system/hooks/driver/Makefile.in b/bin/tests/system/hooks/driver/Makefile.in
new file mode 100644
index 0000000..f97a712
--- /dev/null
+++ b/bin/tests/system/hooks/driver/Makefile.in
@@ -0,0 +1,775 @@
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+	$(STD_CFLAGS)
+
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+
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+	  *config.status*) \
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+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
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+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+
+test-async.la: $(test_async_la_OBJECTS) $(test_async_la_DEPENDENCIES) $(EXTRA_test_async_la_DEPENDENCIES) 
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+	      "$$@" $$unique; \
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+	      $$unique; \
+	  fi; \
+	fi
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+GTAGS:
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+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
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+	esac; \
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+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
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+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
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+	fi
+mostlyclean-generic:
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+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/bin/tests/system/hooks/driver/test-async.c b/bin/tests/system/hooks/driver/test-async.c
new file mode 100644
index 0000000..652b671
--- /dev/null
+++ b/bin/tests/system/hooks/driver/test-async.c
@@ -0,0 +1,348 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+/* aliases for the exported symbols */
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include <isc/buffer.h>
+#include <isc/hash.h>
+#include <isc/ht.h>
+#include <isc/log.h>
+#include <isc/mem.h>
+#include <isc/netaddr.h>
+#include <isc/result.h>
+#include <isc/types.h>
+#include <isc/util.h>
+
+#include <ns/client.h>
+#include <ns/events.h>
+#include <ns/hooks.h>
+#include <ns/log.h>
+#include <ns/query.h>
+#include <ns/types.h>
+
+#define CHECK(op)                              \
+	do {                                   \
+		result = (op);                 \
+		if (result != ISC_R_SUCCESS) { \
+			goto cleanup;          \
+		}                              \
+	} while (0)
+
+/*
+ * Persistent data for use by this module. This will be associated
+ * with client object address in the hash table, and will remain
+ * accessible until the client object is detached.
+ */
+typedef struct async_instance {
+	ns_plugin_t *module;
+	isc_mem_t *mctx;
+	isc_ht_t *ht;
+	isc_mutex_t hlock;
+	isc_log_t *lctx;
+} async_instance_t;
+
+typedef struct state {
+	bool async;
+	ns_hook_resevent_t *rev;
+	ns_hookpoint_t hookpoint;
+	isc_result_t origresult;
+} state_t;
+
+/*
+ * Forward declarations of functions referenced in install_hooks().
+ */
+static ns_hookresult_t
+async_qctx_initialize(void *arg, void *cbdata, isc_result_t *resp);
+static ns_hookresult_t
+async_query_done_begin(void *arg, void *cbdata, isc_result_t *resp);
+static ns_hookresult_t
+async_qctx_destroy(void *arg, void *cbdata, isc_result_t *resp);
+
+/*%
+ * Register the functions to be called at each hook point in 'hooktable', using
+ * memory context 'mctx' for allocating copies of stack-allocated structures
+ * passed to ns_hook_add().  Make sure 'inst' will be passed as the 'cbdata'
+ * argument to every callback.
+ */
+static void
+install_hooks(ns_hooktable_t *hooktable, isc_mem_t *mctx,
+	      async_instance_t *inst) {
+	const ns_hook_t async_init = {
+		.action = async_qctx_initialize,
+		.action_data = inst,
+	};
+	const ns_hook_t async_donebegin = {
+		.action = async_query_done_begin,
+		.action_data = inst,
+	};
+	const ns_hook_t async_destroy = {
+		.action = async_qctx_destroy,
+		.action_data = inst,
+	};
+
+	ns_hook_add(hooktable, mctx, NS_QUERY_QCTX_INITIALIZED, &async_init);
+	ns_hook_add(hooktable, mctx, NS_QUERY_DONE_BEGIN, &async_donebegin);
+	ns_hook_add(hooktable, mctx, NS_QUERY_QCTX_DESTROYED, &async_destroy);
+}
+
+static void
+logmsg(const char *fmt, ...) {
+	va_list ap;
+
+	va_start(ap, fmt);
+	isc_log_write(ns_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_HOOKS,
+		      ISC_LOG_INFO, fmt, ap);
+	va_end(ap);
+}
+
+/**
+** Mandatory plugin API functions:
+**
+** - plugin_destroy
+** - plugin_register
+** - plugin_version
+** - plugin_check
+**/
+
+/*
+ * Called by ns_plugin_register() to initialize the plugin and
+ * register hook functions into the view hook table.
+ */
+isc_result_t
+plugin_register(const char *parameters, const void *cfg, const char *cfg_file,
+		unsigned long cfg_line, isc_mem_t *mctx, isc_log_t *lctx,
+		void *actx, ns_hooktable_t *hooktable, void **instp) {
+	async_instance_t *inst = NULL;
+
+	UNUSED(parameters);
+	UNUSED(cfg);
+	UNUSED(actx);
+
+	isc_log_write(lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_HOOKS,
+		      ISC_LOG_INFO,
+		      "registering 'test-async' module from %s:%lu", cfg_file,
+		      cfg_line);
+
+	inst = isc_mem_get(mctx, sizeof(*inst));
+	*inst = (async_instance_t){ .mctx = NULL };
+	isc_mem_attach(mctx, &inst->mctx);
+
+	isc_ht_init(&inst->ht, mctx, 16, ISC_HT_CASE_SENSITIVE);
+	isc_mutex_init(&inst->hlock);
+
+	/*
+	 * Set hook points in the view's hooktable.
+	 */
+	install_hooks(hooktable, mctx, inst);
+
+	*instp = inst;
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+plugin_check(const char *parameters, const void *cfg, const char *cfg_file,
+	     unsigned long cfg_line, isc_mem_t *mctx, isc_log_t *lctx,
+	     void *actx) {
+	UNUSED(parameters);
+	UNUSED(cfg);
+	UNUSED(cfg_file);
+	UNUSED(cfg_line);
+	UNUSED(mctx);
+	UNUSED(lctx);
+	UNUSED(actx);
+
+	return (ISC_R_SUCCESS);
+}
+
+/*
+ * Called by ns_plugins_free(); frees memory allocated by
+ * the module when it was registered.
+ */
+void
+plugin_destroy(void **instp) {
+	async_instance_t *inst = (async_instance_t *)*instp;
+
+	if (inst->ht != NULL) {
+		isc_ht_destroy(&inst->ht);
+		isc_mutex_destroy(&inst->hlock);
+	}
+
+	isc_mem_putanddetach(&inst->mctx, inst, sizeof(*inst));
+	*instp = NULL;
+
+	return;
+}
+
+/*
+ * Returns plugin API version for compatibility checks.
+ */
+int
+plugin_version(void) {
+	return (NS_PLUGIN_VERSION);
+}
+
+static state_t *
+client_state_get(const query_ctx_t *qctx, async_instance_t *inst) {
+	state_t *state = NULL;
+	isc_result_t result;
+
+	LOCK(&inst->hlock);
+	result = isc_ht_find(inst->ht, (const unsigned char *)&qctx->client,
+			     sizeof(qctx->client), (void **)&state);
+	UNLOCK(&inst->hlock);
+
+	return (result == ISC_R_SUCCESS ? state : NULL);
+}
+
+static void
+client_state_create(const query_ctx_t *qctx, async_instance_t *inst) {
+	state_t *state = NULL;
+	isc_result_t result;
+
+	state = isc_mem_get(inst->mctx, sizeof(*state));
+	*state = (state_t){ .async = false };
+
+	LOCK(&inst->hlock);
+	result = isc_ht_add(inst->ht, (const unsigned char *)&qctx->client,
+			    sizeof(qctx->client), state);
+	UNLOCK(&inst->hlock);
+	RUNTIME_CHECK(result == ISC_R_SUCCESS);
+}
+
+static void
+client_state_destroy(const query_ctx_t *qctx, async_instance_t *inst) {
+	state_t *state = client_state_get(qctx, inst);
+	isc_result_t result;
+
+	if (state == NULL) {
+		return;
+	}
+
+	LOCK(&inst->hlock);
+	result = isc_ht_delete(inst->ht, (const unsigned char *)&qctx->client,
+			       sizeof(qctx->client));
+	UNLOCK(&inst->hlock);
+	RUNTIME_CHECK(result == ISC_R_SUCCESS);
+
+	isc_mem_put(inst->mctx, state, sizeof(*state));
+}
+
+static ns_hookresult_t
+async_qctx_initialize(void *arg, void *cbdata, isc_result_t *resp) {
+	query_ctx_t *qctx = (query_ctx_t *)arg;
+	async_instance_t *inst = (async_instance_t *)cbdata;
+	state_t *state = NULL;
+
+	logmsg("qctx init hook");
+	*resp = ISC_R_UNSET;
+
+	state = client_state_get(qctx, inst);
+	if (state == NULL) {
+		client_state_create(qctx, inst);
+	}
+
+	return (NS_HOOK_CONTINUE);
+}
+
+static void
+cancelasync(ns_hookasync_t *hctx) {
+	UNUSED(hctx);
+	logmsg("cancelasync");
+}
+
+static void
+destroyasync(ns_hookasync_t **ctxp) {
+	ns_hookasync_t *ctx = *ctxp;
+
+	logmsg("destroyasync");
+	*ctxp = NULL;
+	isc_mem_putanddetach(&ctx->mctx, ctx, sizeof(*ctx));
+}
+
+static isc_result_t
+doasync(query_ctx_t *qctx, isc_mem_t *mctx, void *arg, isc_task_t *task,
+	isc_taskaction_t action, void *evarg, ns_hookasync_t **ctxp) {
+	ns_hook_resevent_t *rev = (ns_hook_resevent_t *)isc_event_allocate(
+		mctx, task, NS_EVENT_HOOKASYNCDONE, action, evarg,
+		sizeof(*rev));
+	ns_hookasync_t *ctx = isc_mem_get(mctx, sizeof(*ctx));
+	state_t *state = (state_t *)arg;
+
+	logmsg("doasync");
+	*ctx = (ns_hookasync_t){ .mctx = NULL };
+	isc_mem_attach(mctx, &ctx->mctx);
+	ctx->cancel = cancelasync;
+	ctx->destroy = destroyasync;
+
+	rev->hookpoint = state->hookpoint;
+	rev->origresult = state->origresult;
+	qctx->result = DNS_R_NOTIMP;
+	rev->saved_qctx = qctx;
+	rev->ctx = ctx;
+
+	state->rev = rev;
+
+	isc_task_send(task, (isc_event_t **)&rev);
+
+	*ctxp = ctx;
+	return (ISC_R_SUCCESS);
+}
+
+static ns_hookresult_t
+async_query_done_begin(void *arg, void *cbdata, isc_result_t *resp) {
+	query_ctx_t *qctx = (query_ctx_t *)arg;
+	async_instance_t *inst = (async_instance_t *)cbdata;
+	state_t *state = client_state_get(qctx, inst);
+
+	UNUSED(qctx);
+	UNUSED(cbdata);
+	UNUSED(state);
+
+	logmsg("done begin hook");
+	if (state->async) {
+		/* resuming */
+		state->async = false;
+		return (NS_HOOK_CONTINUE);
+	}
+
+	/* initial call */
+	state->async = true;
+	state->hookpoint = NS_QUERY_DONE_BEGIN;
+	state->origresult = *resp;
+	ns_query_hookasync(qctx, doasync, state);
+	return (NS_HOOK_RETURN);
+}
+
+static ns_hookresult_t
+async_qctx_destroy(void *arg, void *cbdata, isc_result_t *resp) {
+	query_ctx_t *qctx = (query_ctx_t *)arg;
+	async_instance_t *inst = (async_instance_t *)cbdata;
+
+	logmsg("qctx destroy hook");
+	*resp = ISC_R_UNSET;
+
+	if (!qctx->detach_client) {
+		return (NS_HOOK_CONTINUE);
+	}
+
+	client_state_destroy(qctx, inst);
+
+	return (NS_HOOK_CONTINUE);
+}
diff --git a/bin/tests/system/hooks/ns1/example.db b/bin/tests/system/hooks/ns1/example.db
new file mode 100644
index 0000000..1d7173f
--- /dev/null
+++ b/bin/tests/system/hooks/ns1/example.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	120
+@		SOA	ns.unsigned.  hostmaster.ns.unsigned. ( 1 3600 1200 604800 60 )
+@		NS	ns
+@               MX      10 mx
+
+ns		A	10.53.0.1
+		AAAA	fd92:7065:b8e:ffff::1
+
+a		A	1.1.1.1
+mx		A	2.2.2.2
diff --git a/bin/tests/system/hooks/ns1/named.conf.in b/bin/tests/system/hooks/ns1/named.conf.in
new file mode 100644
index 0000000..956bf41
--- /dev/null
+++ b/bin/tests/system/hooks/ns1/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	recursion no;
+	dnssec-validation yes;
+	notify yes;
+	minimal-responses no;
+};
+
+plugin query "../driver/.libs/test-async.so";
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "example.com" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/hooks/setup.sh b/bin/tests/system/hooks/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/hooks/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/hooks/tests_async_plugin.py b/bin/tests/system/hooks/tests_async_plugin.py
new file mode 100644
index 0000000..2f42e27
--- /dev/null
+++ b/bin/tests/system/hooks/tests_async_plugin.py
@@ -0,0 +1,27 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import pytest
+
+pytest.importorskip("dns")
+import dns.message
+import dns.query
+import dns.rcode
+
+
+def test_async_hook(named_port):
+    msg = dns.message.make_query(
+        "example.com.",
+        "A",
+    )
+    ans = dns.query.udp(msg, "10.53.0.1", timeout=10, port=named_port)
+    # the test-async plugin changes the status of any positive answer to NOTIMP
+    assert ans.rcode() == dns.rcode.NOTIMP
diff --git a/bin/tests/system/host/clean.sh b/bin/tests/system/host/clean.sh
new file mode 100644
index 0000000..b03c459
--- /dev/null
+++ b/bin/tests/system/host/clean.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns1/example.db
+rm -f host.out*
+rm -f host.err*
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/named.conf
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/host/ns1/example.net.db b/bin/tests/system/host/ns1/example.net.db
new file mode 100644
index 0000000..73aeeb1
--- /dev/null
+++ b/bin/tests/system/host/ns1/example.net.db
@@ -0,0 +1,31 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+
+@		86400	IN SOA	ns1 hostmaster (
+					1397051952 ; "SER0"
+					5
+					5
+					1814400
+					3600 )
+@			NS	ns1
+ns1			A	10.53.0.1
+
+a-only			A	1.2.3.4
+aaaa-only		AAAA	2001::ffff
+
+dual			A	1.2.3.4
+			AAAA	2001::ffff
+
+cname-a-only		CNAME	a-only
+cname-aaaa-only		CNAME	aaaa-only
+cname-dual		CNAME	dual
diff --git a/bin/tests/system/host/ns1/named.conf.in b/bin/tests/system/host/ns1/named.conf.in
new file mode 100644
index 0000000..8338a9c
--- /dev/null
+++ b/bin/tests/system/host/ns1/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "example.net" {
+	type primary;
+	file "example.net.db";
+};
diff --git a/bin/tests/system/host/setup.sh b/bin/tests/system/host/setup.sh
new file mode 100644
index 0000000..754d4f3
--- /dev/null
+++ b/bin/tests/system/host/setup.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 1 >ns1/example.db
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/host/tests.sh b/bin/tests/system/host/tests.sh
new file mode 100644
index 0000000..c640a40
--- /dev/null
+++ b/bin/tests/system/host/tests.sh
@@ -0,0 +1,128 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck disable=SC2086
+. ../conf.sh
+
+status=0
+n=0
+
+n=$((n+1))
+echo_i "Check A only lookup ($n)"
+ret=0
+$HOST -p ${PORT} a-only.example.net 10.53.0.1 2> host.err${n} > host.out${n} || ret=1
+lines=$(wc -l < host.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Address:" host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c a-only.example.net host.out${n})
+test $lines -eq 1 || ret=1
+grep "1.2.3.4" host.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check AAAA only lookup ($n)"
+ret=0
+$HOST -p ${PORT} aaaa-only.example.net 10.53.0.1 2> host.err${n} > host.out${n} || ret=1
+lines=$(wc -l < host.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Address:" host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c aaaa-only.example.net host.out${n})
+test $lines -eq 1 || ret=1
+grep "2001::ffff" host.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check dual A + AAAA lookup ($n)"
+ret=0
+$HOST -p ${PORT} dual.example.net 10.53.0.1 2> host.err${n} > host.out${n} || ret=1
+lines=$(wc -l < host.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Address:" host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c dual.example.net host.out${n})
+test $lines -eq 2 || ret=1
+grep "1.2.3.4" host.out${n} > /dev/null || ret=1
+grep "2001::ffff" host.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check CNAME to A only lookup ($n)"
+ret=0
+$HOST -p ${PORT} cname-a-only.example.net 10.53.0.1 2> host.err${n} > host.out${n} || ret=1
+lines=$(wc -l < host.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Address:" host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c "cname-a-only.example.net is an alias for a-only.example.net" host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep a-only.example.net host.out${n} | grep -cv "is an alias for")
+test $lines -eq 1 || ret=1
+grep "1.2.3.4" host.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check CNAME to AAAA only lookup ($n)"
+ret=0
+$HOST -p ${PORT} cname-aaaa-only.example.net 10.53.0.1 2> host.err${n} > host.out${n} || ret=1
+lines=$(wc -l < host.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Address:" host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c "cname-aaaa-only.example.net is an alias for aaaa-only.example.net" host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep aaaa-only.example.net host.out${n} | grep -cv "is an alias for")
+test $lines -eq 1 || ret=1
+grep "2001::ffff" host.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check CNAME to dual A + AAAA lookup ($n)"
+ret=0
+$HOST -p ${PORT} cname-dual.example.net 10.53.0.1 2> host.err${n} > host.out${n} || ret=1
+lines=$(wc -l < host.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Address:" host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c "cname-dual.example.net is an alias for dual.example.net." host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c "dual.example.net has address 1.2.3.4" host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c "dual.example.net has IPv6 address 2001::ffff" host.out${n})
+test $lines -eq 1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check ANY lookup ($n)"
+ret=0
+$HOST -p ${PORT} -t ANY example.net 10.53.0.1 2> host.err${n} > host.out${n} || ret=1
+lines=$(grep -c 'Address:.10\.53\.0\.1#'"${PORT}" host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c 'example.net has SOA record ns1.example.net. hostmaster.example.net. 1397051952 5 5 1814400 3600' host.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c 'example.net name server ns1.example.net.' host.out${n})
+test $lines -eq 1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/host/tests_sh_host.py b/bin/tests/system/host/tests_sh_host.py
new file mode 100644
index 0000000..56da3b1
--- /dev/null
+++ b/bin/tests/system/host/tests_sh_host.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_host(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/idna/clean.sh b/bin/tests/system/idna/clean.sh
new file mode 100644
index 0000000..f99ecb5
--- /dev/null
+++ b/bin/tests/system/idna/clean.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */named.memstats
+rm -f */named.run
+rm -f */named.conf
+rm -f dig.out.*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/idna/ns1/named.conf.in b/bin/tests/system/idna/ns1/named.conf.in
new file mode 100644
index 0000000..df552bd
--- /dev/null
+++ b/bin/tests/system/idna/ns1/named.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	query-source address 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { fd92:7065:b8e:ffff::1; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/idna/ns1/root.db b/bin/tests/system/idna/ns1/root.db
new file mode 100644
index 0000000..b43cc40
--- /dev/null
+++ b/bin/tests/system/idna/ns1/root.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+a.root-servers.nil.	AAAA	fd92:7065:b8e:ffff::1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+ns2.example.		AAAA	fd92:7065:b8e:ffff::2
diff --git a/bin/tests/system/idna/setup.sh b/bin/tests/system/idna/setup.sh
new file mode 100644
index 0000000..2ac2ce8
--- /dev/null
+++ b/bin/tests/system/idna/setup.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/idna/tests.sh b/bin/tests/system/idna/tests.sh
new file mode 100644
index 0000000..5f525d6
--- /dev/null
+++ b/bin/tests/system/idna/tests.sh
@@ -0,0 +1,393 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+# Set known locale for the tests
+
+if locale -a | grep -qE "^C\\.(UTF-8|utf8)"; then
+    LC_ALL="C.UTF-8"
+elif locale -a | grep -qE "^en_US\\.(UTF-8|utf8)"; then
+    LC_ALL="en_US.UTF-8"
+fi
+export LC_ALL
+
+# This set of tests check the behavior of the IDNA options in "dig".
+#
+# "dig" supports two IDNA-related options:
+#
+# +[no]idnin -  Translates a domain name into punycode format before sending
+#               the query to the server.
+#
+#               Should the input name be a punycode name, "dig +idnin" will also
+#               validate the punycode, rejecting it if it is invalid.
+#
+# +[no]idnout - Translates the received punycode domain names into appropriate
+#               unicode characters before displaying.
+#
+# The tests run "dig" against an authoritative server configured with a minimal
+# root zone and nothing else.  As a result, all queries will result in an
+# NXDOMAIN.  The server will return the qname sent, which "dig" will display
+# according to the options selected.  This returned string is compared with
+# the qname originally sent.
+#
+# In the comments below, the following nomenclature (taken from RFC 5890) is
+# used:
+#
+# A-label: Label comprising ASCII characters that starts xn-- and whose
+#          characters after the xn-- are a valid output of the Punycode
+#          algorithm.
+#
+# Fake A-label: An A-label whose characters after the xn-- are not valid
+#          Punycode output.
+#
+# U-label: Unicode (native character) form of a label.
+#
+# For the purpose of this test script, U-labels do not include labels that
+# comprise purely ASCII characters, which are referred to as "ASCII-labels"
+# here. Valid ASCII-labels comprise letters, digits and hyphens and do not
+# start with a hyphen.
+#
+# References:
+# 1. http://www.unicode.org/reports/tr46/#Deviations
+# 2. http://www.unicode.org/reports/tr46/#IDNAComparison
+
+# Using dig insecure mode as we are not testing DNSSEC here
+DIGCMD="$DIG -i -p ${PORT} @10.53.0.1"
+
+# Initialize test count and status return
+n=0
+status=0
+
+
+# Function for extracting the qname from the response
+#
+# This is the first field in the line after the line starting
+# ";; QUESTION SECTION:".
+#
+# The string returned includes the trailing period.
+
+qname() {
+    awk 'BEGIN { qs = 0; } \
+        /;; QUESTION SECTION:/ { qs = 1; next; } \
+        qs == 1 {sub(";", "", $1) ; print $1; exit 0; }' \
+        $1
+}
+
+# Function for performing a test where "dig" is expected to succeed.
+#
+#   $1 - Description of the test
+#   $2 - Dig command additional options
+#   $3 - Name being queried
+#   $4 - The name that is expected to be displayed by "dig".  Note that names
+#        displayed by "dig" will always have a trailing period, so this
+#        parameter should have that period as well.
+
+idna_test() {
+    n=$((n+1))
+    description=$1
+    if [ "$2" != "" ]; then
+        description="${description}: $2"
+    fi
+    echo_i "$description ($n)"
+
+    ret=0
+    { $DIGCMD $2 $3 > dig.out.$n 2>&1; rc=$?; } || true
+    if [ $rc -ne 0 ]; then
+        echo_i "failed: dig command returned non-zero status"
+        ret=1
+    else
+        actual=$(qname dig.out.$n)
+        if [ "$4" != "$actual" ]; then
+            echo_i "failed: expected answer $4, actual result $actual"
+            ret=1
+        fi
+    fi
+    status=$((status+ret))
+}
+
+# Function for performing a test where "dig" is expected to fail
+#
+#   $1 - Description of the test
+#   $2 - Dig command additional options
+#   $3 - Name being queried
+
+idna_fail() {
+    n=$((n+1))
+    description=$1
+    if [ "$2" != "" ]; then
+        description="${description}: $2"
+    fi
+    echo_i "$description ($n)"
+
+    ret=0
+    { $DIGCMD $2 $3 > dig.out.$n 2>&1; rc=$?; } || true
+    if [ $rc -eq 0 ]; then
+        echo_i "failed: dig command unexpectedly succeeded"
+        ret=1
+    fi
+    status=$((status+ret))
+}
+
+# Function to check that case is preserved for an all-ASCII label.
+#
+# Without IDNA support, case-preservation is the expected behavior.
+#
+# With IDNA support... not really.  IDNA maps uppercase ASCII characters to
+# their lower-case equivalent.  When IDNA support in "dig" was updated to
+# non-transitional IDNA 2008, the switch "+idnin" was added and made the default
+# behaviour. This meant that the command "dig LocalhosT" (no command switches)
+# sends the qname "localhost", a change in behavior from earlier versions.
+#
+# This was felt to be confusing to the significant number of users who are
+# not interested in IDNA. For this reason, after "dig" passes the input qname
+# through the IDNA conversion, is does a case-insensitive comparison with the
+# result.  If the two are the same, "dig" can conclude that the qname is
+# entirely ASCII and is uses the entered string instead of the converted string
+# as the qname.
+
+ascii_case_preservation_test() {
+    text="Checking valid ASCII label"
+    idna_test "$text" ""                   LocalhosT LocalhosT.
+    idna_test "$text" "+noidnin +noidnout" LocalhosT LocalhosT.
+    idna_test "$text" "+noidnin +idnout"   LocalhosT LocalhosT.
+    idna_test "$text" "+idnin   +noidnout" LocalhosT LocalhosT.
+    idna_test "$text" "+idnin   +idnout"   LocalhosT LocalhosT.
+}
+
+# Function to perform the tests if IDNA is enabled.
+
+idna_enabled_test() {
+    echo_i "IDNA is enabled, all IDNA tests will be performed"
+    # Check that case is preserved on an ASCII label.
+
+    ascii_case_preservation_test
+
+
+    # Test of a valid U-label
+    #
+    # +noidnin +noidnout: The label is sent as a unicode octet stream and dig
+    #                     will display the string in the \nnn format.
+    # +noidnin +idnout:   As for the previous case.
+    # +idnin   +noidnout: The label is converted to the xn-- format.  "dig"
+    #                     displays the returned xn-- text.
+    # +idnin   +idnout:   The label is converted to the xn-- format.  "dig"
+    #                     converts the returned xn-- string back to the original
+    #                     unicode text.
+    #
+    # Note that ASCII characters are converted to lower-case.
+
+    text="Checking valid non-ASCII label"
+    idna_test "$text" ""                   "München" "M\195\188nchen."
+    idna_test "$text" "+noidnin +noidnout" "München" "M\195\188nchen."
+    idna_test "$text" "+noidnin +idnout"   "München" "M\195\188nchen."
+    idna_test "$text" "+idnin   +noidnout" "München" "xn--mnchen-3ya."
+    idna_test "$text" "+idnin   +idnout"   "München" "münchen."
+
+
+    # Tests of transitional processing of a valid U-label
+    #
+    # IDNA2003 introduced national character sets but, unfortunately, didn't
+    # support several characters properly.  One of those was the German
+    # character "ß" (the "Eszett" or "sharp s"), which was interpreted as "ss".
+    # So the domain “faß.de� domain (for example) was processed as “fass.de�.
+    #
+    # This was corrected in IDNA2008, although some vendors that adopted this
+    # standard chose to keep the existing IDNA2003 translation for this
+    # character to prevent problems (e.g. people visiting www.faß.example would,
+    # under IDNA2003, go to www.fass.example but under IDNA2008 would end up at
+    # www.fa\195\159.example - a different web site).
+    #
+    # BIND has adopted a hard transition, so this test checks that these
+    # transitional mapping is not used.  The tests are essentially the same as
+    # for the valid U-label.
+
+    text="Checking that non-transitional IDNA processing is used"
+    idna_test "$text" ""                   "faß.de" "fa\195\159.de."
+    idna_test "$text" "+noidnin +noidnout" "faß.de" "fa\195\159.de."
+    idna_test "$text" "+noidnin +idnout"   "faß.de" "fa\195\159.de."
+    idna_test "$text" "+idnin   +noidnout" "faß.de" "xn--fa-hia.de."
+    idna_test "$text" "+idnin   +idnout"   "faß.de" "faß.de."
+
+    # Another problem character.  The final character in the first label mapped
+    # onto the Greek sigma character ("σ") in IDNA2003.
+
+    text="Second check that non-transitional IDNA processing is used"
+    idna_test "$text" ""                   "βόλος.com" "\206\178\207\140\206\187\206\191\207\130.com."
+    idna_test "$text" "+noidnin +noidnout" "βόλος.com" "\206\178\207\140\206\187\206\191\207\130.com."
+    idna_test "$text" "+noidnin +idnout"   "βόλος.com" "\206\178\207\140\206\187\206\191\207\130.com."
+    idna_test "$text" "+idnin   +noidnout" "βόλος.com" "xn--nxasmm1c.com."
+    idna_test "$text" "+idnin   +idnout"   "βόλος.com" "βόλος.com."
+
+
+
+    # Tests of a valid A-label (i.e. starting xn--)
+    #
+    # +noidnout: The string is sent as-is to the server and the returned qname
+    #            is displayed in the same form.
+    # +idnout:   The string is sent as-is to the server and the returned qname
+    #            is displayed as the corresponding U-label.
+    #
+    # The "+[no]idnin" flag has no effect in these cases.
+
+    text="Checking valid A-label"
+    idna_test "$text" ""                   "xn--nxasmq6b.com" "xn--nxasmq6b.com."
+    idna_test "$text" "+noidnin +noidnout" "xn--nxasmq6b.com" "xn--nxasmq6b.com."
+    idna_test "$text" "+noidnin +idnout"   "xn--nxasmq6b.com" "βόλοσ.com."
+    idna_test "$text" "+idnin +noidnout"   "xn--nxasmq6b.com" "xn--nxasmq6b.com."
+    idna_test "$text" "+idnin +idnout"     "xn--nxasmq6b.com" "βόλοσ.com."
+
+    # Test of valid A-label in locale that cannot display it
+    #
+    # +noidnout: The string is sent as-is to the server and the returned qname
+    #            is displayed in the same form.
+    # +idnout:   The string is sent as-is to the server and the returned qname
+    #            is displayed as the corresponding A-label.
+    #
+    # The "+[no]idnout" flag has no effect in these cases.
+    saved_LC_ALL="${LC_ALL}"
+    LC_ALL="C"
+    text="Checking valid A-label in C locale"
+    label="xn--nxasmq6b.com"
+    if command -v idn2 >/dev/null && ! idn2 -d "$label" >/dev/null 2>/dev/null; then
+	idna_test "$text" ""                   "$label" "$label."
+	idna_test "$text" "+noidnin +noidnout" "$label" "$label."
+	idna_test "$text" "+noidnin +idnout"   "$label" "$label."
+	idna_test "$text" "+idnin +noidnout"   "$label" "$label."
+	idna_test "$text" "+idnin +idnout"     "$label" "$label."
+	idna_test "$text" "+noidnin +idnout"   "$label" "$label."
+    fi
+    LC_ALL="${saved_LC_ALL}"
+
+
+
+    # Tests of invalid A-labels
+    #
+    # +noidnin: The label is sent as-is to the server and dig will display the
+    #           returned fake A-label in the same form.
+    # +idnin:   "dig" should report that the label is not correct.
+    #
+    # +[no]idnout: If the label makes it to the server (via +noidnin), "dig"
+    #           should report an error if +idnout is specified.
+
+    # The minimum length of a punycode A-label is 7 characters.  Check that
+    # a shorter label is detected and rejected.
+
+    text="Checking punycode label shorter than minimum valid length"
+    idna_test "$text" ""                   "xn--xx" "xn--xx."
+    idna_test "$text" "+noidnin +noidnout" "xn--xx" "xn--xx."
+    idna_fail "$text" "+noidnin   +idnout" "xn--xx"
+    idna_fail "$text" "+idnin   +noidnout" "xn--xx"
+    idna_fail "$text" "+idnin     +idnout" "xn--xx"
+
+    # Fake A-label - the string does not translate to anything.
+
+    text="Checking fake A-label"
+    idna_test "$text" ""                   "xn--ahahah" "xn--ahahah."
+    idna_test "$text" "+noidnin +noidnout" "xn--ahahah" "xn--ahahah."
+    idna_fail "$text" "+noidnin   +idnout" "xn--ahahah"
+    idna_fail "$text" "+idnin   +noidnout" "xn--ahahah"
+    idna_fail "$text" "+idnin     +idnout" "xn--ahahah"
+
+    # Too long a label. The punycode string is too long (at 64 characters).
+    # BIND rejects such labels: with +idnin
+
+    label="xn--xflod18hstflod18hstflod18hstflod18hstflod18hstflod18-1iejjjj"
+    text="Checking punycode label longer than maximum valid length"
+    idna_fail "$text" ""                   "$label"
+    idna_fail "$text" "+noidnin +noidnout" "$label"
+    idna_fail "$text" "+noidnin   +idnout" "$label"
+    idna_fail "$text" "+idnin   +noidnout" "$label"
+    idna_fail "$text" "+idnin     +idnout" "$label"
+
+    # Tests of a valid unicode string but an invalid U-label (input)
+    #
+    # Symbols are not valid IDNA2008 names.  Check whether dig rejects them
+    # when they are supplied on the command line to ensure no IDNA2003
+    # fallbacks are in place.
+    #
+    # +noidnin: "dig" should send unicode octets to the server and display the
+    #           returned qname in the same form.
+    # +idnin:   "dig" should generate an error.
+    #
+    # The +[no]idnout options should not have any effect on the test.
+
+    text="Checking invalid input U-label"
+    idna_test "$text" ""                   "√.com" "\226\136\154.com."
+    idna_test "$text" "+noidnin +noidnout" "√.com" "\226\136\154.com."
+    idna_test "$text" "+noidnin +idnout"   "√.com" "\226\136\154.com."
+    idna_test "$text" "+idnin   +noidnout" "√.com" "xn--19g.com."
+    idna_test "$text" "+idnin   +idnout"   "√.com" "√.com."
+
+    # Tests of a valid unicode string but an invalid U-label (output)
+    #
+    # Symbols are not valid IDNA2008 names.  Check whether dig rejects them
+    # when they are received in DNS responses to ensure no IDNA2003 fallbacks
+    # are in place.
+    #
+    # Note that "+idnin +noidnout" is not tested because libidn2 2.2.0+ parses
+    # Punycode more strictly than older versions and thus dig fails with that
+    # combination of options with libidn2 2.2.0+ but succeeds with older
+    # versions.
+    #
+    # +noidnout: "dig" should send the ACE string to the server and display the
+    #            returned qname.
+    # +idnout:   "dig" should generate an error.
+    #
+    # The +[no]idnin options should not have any effect on the test.
+
+    text="Checking invalid output U-label"
+    idna_test "$text" ""                   "xn--19g" "xn--19g."
+    idna_test "$text" "+noidnin +noidnout" "xn--19g" "xn--19g."
+    idna_test "$text" "+noidnin +idnout"   "xn--19g" "√."
+    idna_test "$text" "+idnin   +idnout"   "xn--19g" "√."
+
+
+    # Test that non-letter characters are preserved in the output.  When
+    # UseSTD3ASCIIRules are enabled, it would mangle non-letter characters like
+    # `_` (underscore) and `*` (wildcard.
+
+    text="Checking valid non-letter characters"
+    idna_test "$text" ""                   "*.xn--nxasmq6b.com" "*.xn--nxasmq6b.com."
+    idna_test "$text" "+noidnin +noidnout" "*.xn--nxasmq6b.com" "*.xn--nxasmq6b.com."
+    idna_test "$text" "+noidnin +idnout"   "*.xn--nxasmq6b.com" "*.βόλοσ.com."
+    idna_test "$text" "+idnin +noidnout"   "*.xn--nxasmq6b.com" "*.xn--nxasmq6b.com."
+    idna_test "$text" "+idnin +idnout"     "*.xn--nxasmq6b.com" "*.βόλοσ.com."
+
+    idna_test "$text" ""                   "_tcp.xn--nxasmq6b.com" "_tcp.xn--nxasmq6b.com."
+    idna_test "$text" "+noidnin +noidnout" "_tcp.xn--nxasmq6b.com" "_tcp.xn--nxasmq6b.com."
+    idna_test "$text" "+noidnin +idnout"   "_tcp.xn--nxasmq6b.com" "_tcp.βόλοσ.com."
+    idna_test "$text" "+idnin +noidnout"   "_tcp.xn--nxasmq6b.com" "_tcp.xn--nxasmq6b.com."
+    idna_test "$text" "+idnin +idnout"     "_tcp.xn--nxasmq6b.com" "_tcp.βόλοσ.com."
+}
+
+
+# Function to perform tests if IDNA is not enabled.
+
+idna_disabled_test() {
+    echo_i "IDNA is disabled, only case mapping tests will be performed"
+    ascii_case_preservation_test
+}
+
+
+# Main test begins here
+
+if $FEATURETEST --with-libidn2; then
+    idna_enabled_test
+else
+    idna_disabled_test
+fi
+
+exit $status
diff --git a/bin/tests/system/idna/tests_sh_idna.py b/bin/tests/system/idna/tests_sh_idna.py
new file mode 100644
index 0000000..82a640c
--- /dev/null
+++ b/bin/tests/system/idna/tests_sh_idna.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_idna(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/ifconfig.sh.in b/bin/tests/system/ifconfig.sh.in
new file mode 100755
index 0000000..ed84fd1
--- /dev/null
+++ b/bin/tests/system/ifconfig.sh.in
@@ -0,0 +1,268 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Set up interface aliases for bind9 system tests.
+#
+# IPv4: 10.53.0.{1..11}				RFC 1918
+#       10.53.1.{1..2}
+#       10.53.2.{1..2}
+# IPv6: fd92:7065:b8e:ffff::{1..11}		ULA
+#       fd92:7065:b8e:99ff::{1..2}
+#       fd92:7065:b8e:ff::{1..2}
+#
+# We also set the MTU on the 1500 bytes to match the default MTU on physical
+# interfaces, so we can properly test the cases with packets bigger than
+# interface MTU.
+#
+# See also org.isc.bind.system (a version of this script for use on macOS)
+# and testsock.pl (which checks the interfaces are configured)
+#
+
+top_srcdir=@abs_top_srcdir@
+
+sys=$(@SHELL@ "$top_srcdir/config.guess")
+
+use_ip=
+case "$sys" in
+        *-*-linux*)
+                if type ip > /dev/null; then
+                        use_ip=yes
+                elif type ifconfig > /dev/null; then
+                        :
+                else
+                        echo "$0: can't find ip or ifconfig" >&2
+                        exit 1
+                fi
+                ;;
+esac
+
+up() {
+	case "$sys" in
+	    *-pc-solaris2.5.1)
+		[ "$a" ] && ifconfig lo0:$int $a netmask 0xffffffff up
+		;;
+	    *-sun-solaris2.[6-7])
+		[ "$a" ] && ifconfig lo0:$int $a netmask 0xffffffff up
+		;;
+	    *-*-solaris2.[8-9]|*-*-solaris2.10)
+		[ "$a" ] && {
+			/sbin/ifconfig lo0:$int plumb
+			/sbin/ifconfig lo0:$int $a up
+			/sbin/ifconfig lo0:$int mtu 1500
+		}
+		[ "$aaaa" ] && {
+			/sbin/ifconfig lo0:$int inet6 plumb
+			/sbin/ifconfig lo0:$int inet6 $aaaa up
+		}
+		;;
+	    *-*-solaris2.1[1-9])
+		[ "$a" ] && {
+			/sbin/ipadm create-addr -t -T static \
+				    -a $a lo0/bind9v4$int ||
+			echo failed lo0/bind9v4$int
+		}
+		[ "$aaaa" ] && {
+			/sbin/ipadm create-addr -t -T static \
+				    -a $aaaa lo0/bind9v6$int ||
+			echo failed lo0/bind9v6$int
+		}
+	       ;;
+	    *-*-linux*)
+		if [ "$use_ip" ]; then
+			ip address add $a/24 dev lo:$int
+			ip link set dev lo:$int mtu 1500
+			[ "$aaaa" ] && ip address add $aaaa/64 dev lo
+		else
+			ifconfig lo:$int $a up netmask 255.255.255.0 mtu 1500
+			[ "$aaaa" ] && ifconfig lo inet6 add $aaaa/64
+		fi
+		;;
+	    *-unknown-freebsd*)
+		[ "$a" ] && ifconfig lo0 $a alias netmask 0xffffffff mtu 1500
+		[ "$aaaa" ] && ifconfig lo0 inet6 $aaaa alias
+		;;
+	    *-unknown-dragonfly*|*-unknown-netbsd*|*-unknown-openbsd*)
+		[ "$a" ] && ifconfig lo0 $a alias netmask 255.255.255.0 mtu 1500
+		[ "$aaaa" ] && ifconfig lo0 inet6 $aaaa alias
+		;;
+	    *-*-bsdi[3-5].*)
+		[ "$a" ] && ifconfig lo0 add $a netmask 255.255.255.0
+		;;
+	    *-dec-osf[4-5].*)
+		[ "$a" ] && ifconfig lo0 alias $a
+		;;
+	    *-sgi-irix6.*)
+		[ "$a" ] && ifconfig lo0 alias $a
+		;;
+	    *-*-sysv5uw7*|*-*-sysv*UnixWare*|*-*-sysv*OpenUNIX*)
+		[ "$a" ] && ifconfig lo0 $a alias netmask 0xffffffff
+		;;
+	    *-ibm-aix4.*|*-ibm-aix5.*)
+		[ "$a" ] && ifconfig lo0 alias $a
+		[ "$aaaa" ] && ifconfig lo0 inet6 alias -dad $aaaa/64
+		;;
+	    hpux)
+		[ "$a" ] && ifconfig lo0:$int $a netmask 255.255.255.0 up
+		[ "$aaaa" ] && ifconfig lo0:$int inet6 $aaaa up
+		;;
+	    *-sco3.2v*)
+		[ "$a" ] && ifconfig lo0 alias $a
+		;;
+	    *-darwin*)
+		[ "$a" ] && ifconfig lo0 alias $a
+		[ "$aaaa" ] && ifconfig lo0 inet6 $aaaa alias
+		;;
+	    *)
+		echo "Don't know how to set up interface.  Giving up."
+		exit 1
+		;;
+	esac
+}
+
+down() {
+	case "$sys" in
+	    *-pc-solaris2.5.1)
+		[ "$a" ] && ifconfig lo0:$int 0.0.0.0 down
+		;;
+	    *-sun-solaris2.[6-7])
+		[ "$a" ] && ifconfig lo0:$int $a down
+		;;
+	    *-*-solaris2.[8-9]|*-*-solaris2.10)
+		[ "$a" ] && {
+			ifconfig lo0:$int $a down
+			ifconfig lo0:$int $a unplumb
+		}
+		[ "$aaaa" ] && {
+			ifconfig lo0:$int inet6 down
+			ifconfig lo0:$int inet6 unplumb
+		}
+		;;
+	    *-*-solaris2.1[1-9])
+		[ "$a" ] && {
+			ipadm delete-addr lo0/bind9v4$int ||
+			echo failed lo0/bind9v4$int
+		}
+		[ "$aaaa" ] && {
+			ipadm delete-addr lo0/bind9v6$int ||
+			echo failed lo0/bind9v6$int
+		}
+		;;
+
+	    *-*-linux*)
+		if [ "$use_ip" ]; then
+			[ "$a" ] && ip address del $a/24 dev lo:$int
+			[ "$aaaa" ] && ip address del $aaaa/64 dev lo
+		else
+			[ "$a" ] && ifconfig lo:$int $a down
+			[ "$aaaa" ] && ifconfig lo inet6 del $aaaa/64
+		fi
+		;;
+	    *-unknown-freebsd*)
+		[ "$a" ] && ifconfig lo0 $a delete
+		[ "$aaaa" ] && ifconfig lo0 inet6 $aaaa delete
+		;;
+	    *-unknown-netbsd*)
+		[ "$a" ] && ifconfig lo0 $a delete
+		[ "$aaaa" ] && ifconfig lo0 inet6 $aaaa delete
+		;;
+	    *-unknown-openbsd*)
+		[ "$a" ] && ifconfig lo0 $a delete
+		[ "$aaaa" ] && ifconfig lo0 inet6 $aaaa delete
+		;;
+	    *-*-bsdi[3-5].*)
+		[ "$a" ] && ifconfig lo0 remove $a
+		;;
+	    *-dec-osf[4-5].*)
+		[ "$a" ] && ifconfig lo0 -alias $a
+		;;
+	    *-sgi-irix6.*)
+		[ "$a" ] && ifconfig lo0 -alias $a
+		;;
+	    *-*-sysv5uw7*|*-*-sysv*UnixWare*|*-*-sysv*OpenUNIX*)
+		[ "$a" ] && ifconfig lo0 -alias $a
+		;;
+	    *-ibm-aix4.*|*-ibm-aix5.*)
+		[ "$a" ] && ifconfig lo0 delete $a
+		[ "$aaaa" ] && ifconfig lo0 delete inet6 $aaaa/64
+		;;
+	    hpux)
+		[ "$a" ] && ifconfig lo0:$int 0.0.0.0
+		[ "$aaaa" ] && ifconfig lo0:$int inet6 ::
+		;;
+	    *-sco3.2v*)
+		[ "$a" ] && ifconfig lo0 -alias $a
+		;;
+	    *darwin*)
+		[ "$a" ] && ifconfig lo0 -alias $a
+		[ "$aaaa" ] && ifconfig lo0 inet6 $aaaa delete
+		;;
+	    *)
+		echo "Don't know how to destroy interface.  Giving up."
+		exit 1
+		;;
+	esac
+}
+
+sequence() (
+	awk -v s=$1 -v e=$2 '
+		BEGIN {
+			for (i = s ; i <= e; i++) { print i; }
+			exit;
+		}'
+)
+
+#
+# 'max', 'i' and 'ns' are used to compute the interface identifier for
+# systems that need it and must be unique for each interface (e.g. lo:$int).
+#
+#	int=$((i * max + ns))
+#
+# 'max' is the number of nameservers configured in the inner loop.
+# 'i' is the outer loop counter.
+# 'ns' in the namserver being configured.
+# 'int' interface identifier.
+#
+# See also `org.isc.bind.system`.
+#
+# This `max` setting is grepped out for use by testsock.pl
+#
+max=11
+case $1 in
+    start|up|stop|down)
+	for i in $(sequence 0 2)
+	do
+		case $i in
+		  0) ipv6="ff" ;;
+		  1) ipv6="99" ;;
+		  2) ipv6="00" ;;
+		  *) ipv6="" ;;
+		esac
+		for ns in $(sequence 1 $max)
+		do
+			[ $i -gt 0 -a $ns -gt 2 ] && break
+			int=$((i * max + ns))
+			a=10.53.$i.$ns
+			aaaa=fd92:7065:b8e:${ipv6}ff::$ns
+			case "$1" in
+			    start|up) up;;
+			    stop|down) down;;
+			esac
+		done
+	done
+	;;
+    *)
+	echo "Usage: $0 { up | down }"
+	exit 1
+	;;
+esac
diff --git a/bin/tests/system/include-multiplecfg/clean.sh b/bin/tests/system/include-multiplecfg/clean.sh
new file mode 100644
index 0000000..905b2dd
--- /dev/null
+++ b/bin/tests/system/include-multiplecfg/clean.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after allow query tests.
+#
+
+rm -f dig.out.*
+rm -f ns*/named.conf
+rm -f */named.memstats
+rm -f ns*/named.lock
+rm -f ns*/named.run ns*/named.run.prev
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
diff --git a/bin/tests/system/include-multiplecfg/ns2/mars.com.db b/bin/tests/system/include-multiplecfg/ns2/mars.com.db
new file mode 100644
index 0000000..cbae017
--- /dev/null
+++ b/bin/tests/system/include-multiplecfg/ns2/mars.com.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@     IN     SOA    dns1.mars.com.     hostmaster.mars.com. (
+                    2001062501 ; serial
+                    21600      ; refresh after 6 hours
+                    3600       ; retry after 1 hour
+                    604800     ; expire after 1 week
+                    86400 )    ; minimum TTL of 1 day
+
+      IN     NS     dns1.mars.com.
+
+             IN     A       10.53.0.1
+
+dns1         IN     A       10.53.0.1
diff --git a/bin/tests/system/include-multiplecfg/ns2/mars.conf b/bin/tests/system/include-multiplecfg/ns2/mars.conf
new file mode 100644
index 0000000..31f6da3
--- /dev/null
+++ b/bin/tests/system/include-multiplecfg/ns2/mars.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "mars.com" {
+        type primary;
+        file "mars.com.db";
+};
+
diff --git a/bin/tests/system/include-multiplecfg/ns2/named.conf.in b/bin/tests/system/include-multiplecfg/ns2/named.conf.in
new file mode 100644
index 0000000..b38c228
--- /dev/null
+++ b/bin/tests/system/include-multiplecfg/ns2/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+        notify no;
+	dnssec-validation no;
+};
+
+# Should include all files matching pattern.
+include "zone*.conf";
+
+# Shouldn't break standard file pattern.
+include "mars.conf";
+
diff --git a/bin/tests/system/include-multiplecfg/ns2/zone1.com.db b/bin/tests/system/include-multiplecfg/ns2/zone1.com.db
new file mode 100644
index 0000000..ef9cff4
--- /dev/null
+++ b/bin/tests/system/include-multiplecfg/ns2/zone1.com.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@     IN     SOA    dns1.zone1.com.     hostmaster.zone1.com. (
+                    2001062501 ; serial
+                    21600      ; refresh after 6 hours
+                    3600       ; retry after 1 hour
+                    604800     ; expire after 1 week
+                    86400 )    ; minimum TTL of 1 day
+
+      IN     NS     dns1.zone1.com.
+
+             IN     A       10.53.0.1
+
+dns1         IN     A       10.53.0.1
diff --git a/bin/tests/system/include-multiplecfg/ns2/zone1.conf b/bin/tests/system/include-multiplecfg/ns2/zone1.conf
new file mode 100644
index 0000000..e5c15ad
--- /dev/null
+++ b/bin/tests/system/include-multiplecfg/ns2/zone1.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "zone1.com" {
+        type primary;
+        file "zone1.com.db";
+};
+
diff --git a/bin/tests/system/include-multiplecfg/ns2/zone2.com.db b/bin/tests/system/include-multiplecfg/ns2/zone2.com.db
new file mode 100644
index 0000000..6df12b2
--- /dev/null
+++ b/bin/tests/system/include-multiplecfg/ns2/zone2.com.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 86400
+@     IN     SOA    dns1.zone2.com.     hostmaster.zone2.com. (
+                    2001062501 ; serial
+                    21600      ; refresh after 6 hours
+                    3600       ; retry after 1 hour
+                    604800     ; expire after 1 week
+                    86400 )    ; minimum TTL of 1 day
+
+      IN     NS     dns1.zone2.com.
+
+             IN     A       10.53.0.1
+
+dns1         IN     A       10.53.0.1
diff --git a/bin/tests/system/include-multiplecfg/ns2/zone2.conf b/bin/tests/system/include-multiplecfg/ns2/zone2.conf
new file mode 100644
index 0000000..b122b0f
--- /dev/null
+++ b/bin/tests/system/include-multiplecfg/ns2/zone2.conf
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "zone2.com" {
+        type primary;
+        file "zone2.com.db";
+};
+
diff --git a/bin/tests/system/include-multiplecfg/setup.sh b/bin/tests/system/include-multiplecfg/setup.sh
new file mode 100644
index 0000000..064fb01
--- /dev/null
+++ b/bin/tests/system/include-multiplecfg/setup.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports  ns2/named.conf.in ns2/named.conf
diff --git a/bin/tests/system/include-multiplecfg/tests.sh b/bin/tests/system/include-multiplecfg/tests.sh
new file mode 100644
index 0000000..65b4001
--- /dev/null
+++ b/bin/tests/system/include-multiplecfg/tests.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Test of include statement with glob expression.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +nosea +nostat +nocmd +norec +noques +noadd +nostats -p ${PORT}"
+
+status=0
+n=0
+
+# Test 1 - check if zone1 was loaded.
+n=$((n + 1))
+echo_i "checking glob include of zone1 config ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 zone1.com. a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^zone1.com.' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 2 - check if zone2 was loaded.
+n=$((n + 1))
+echo_i "checking glob include of zone2 config ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 zone2.com. a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^zone2.com.' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 3 - check if standard file path (no magic chars) works.
+n=$((n + 1))
+echo_i "checking include of standard file path config ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.2 -b 10.53.0.2 mars.com. a > dig.out.ns2.$n || ret=1
+grep 'status: NOERROR' dig.out.ns2.$n > /dev/null || ret=1
+grep '^mars.com.' dig.out.ns2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Test 4: named-checkconf correctly parses glob includes.
+n=$((n + 1))
+echo_i "checking named-checkconf with glob include ($n)"
+ret=0
+(cd ns2; $CHECKCONF named.conf) || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/include-multiplecfg/tests_sh_include_multiplecfg.py b/bin/tests/system/include-multiplecfg/tests_sh_include_multiplecfg.py
new file mode 100644
index 0000000..e767c1d
--- /dev/null
+++ b/bin/tests/system/include-multiplecfg/tests_sh_include_multiplecfg.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_include_multiplecfg(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/inline/clean.sh b/bin/tests/system/inline/clean.sh
new file mode 100644
index 0000000..79f3774
--- /dev/null
+++ b/bin/tests/system/inline/clean.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -rf ./*/*.jbk \
+   ./*/*.nzd ./*/*.nzd-lock ./*/*.nzf \
+   ./*/named.conf ./*/named.memstats ./*/named.run* ./*/named.lock \
+   ./*/trusted.conf \
+   ./K* ./*/K* \
+   ./checkecdsa \
+   ./freeze.test* thaw.test* \
+   ./import.key \
+   ././ns*/managed-keys.bind* ./ns*/*.mkeys* \
+   ./*/dsset-* ./*/nzf-* \
+   ./*/*.db ./*/*.db.signed ./*/*.db.jnl ./*/*.db.signed.jnl \
+   ./*.out ./*.out* ./*/*.out ./*/*.out* \
+   ./*/*.bk ./*/*.bk.jnl ./*/*.bk.signed ./*/*.bk.signed.jnl \
+   ns3/a-file ns3/removedkeys
diff --git a/bin/tests/system/inline/ns1/named.conf.in b/bin/tests/system/inline/ns1/named.conf.in
new file mode 100644
index 0000000..da27c58
--- /dev/null
+++ b/bin/tests/system/inline/ns1/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/inline/ns1/root.db.in b/bin/tests/system/inline/ns1/root.db.in
new file mode 100644
index 0000000..abc7370
--- /dev/null
+++ b/bin/tests/system/inline/ns1/root.db.in
@@ -0,0 +1,59 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+bits.			NS	ns3.bits.
+bits.			NS	ns4.bits.
+ns3.bits.		A	10.53.0.3
+ns4.bits.		A	10.53.0.4
+
+noixfr.			NS	ns3.noixfr.
+ns3.noixfr.		A	10.53.0.3
+
+primary.			NS	ns3.primary.
+ns3.primary.		A	10.53.0.3
+
+dynamic.			NS	ns3.dynamic.
+ns3.dynamic.		A	10.53.0.3
+
+updated.			NS	ns3.updated.
+ns3.updated.		A	10.53.0.3
+
+expired.			NS	ns3.expired.
+ns3.expired.		A	10.53.0.3
+
+retransfer.			NS	ns3.retransfer.
+ns3.retransfer.		A	10.53.0.3
+
+nsec3.			NS	ns3.nsec3.
+ns3.nsec3.		A	10.53.0.3
+
+externalkey.		NS	ns3.externalkey.
+ns3.externalkey.	A	10.53.0.3
+
+retransfer3.		NS	ns3.retransfer.
+ns3.retransfer3.	A	10.53.0.3
+
+inactiveksk.		NS	ns3.inactiveksk.
+ns3.inactiveksk.	A	10.53.0.3
+
+inactivezsk.		NS	ns3.inactivezsk.
+ns3.inactivezsk.	A	10.53.0.3
diff --git a/bin/tests/system/inline/ns1/sign.sh b/bin/tests/system/inline/ns1/sign.sh
new file mode 100644
index 0000000..c231713
--- /dev/null
+++ b/bin/tests/system/inline/ns1/sign.sh
@@ -0,0 +1,25 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=.
+rm -f K.+*+*.key
+rm -f K.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+$SIGNER -S -x -T 1200 -o ${zone} root.db > signer.out
+[ $? = 0 ] || cat signer.out
+
+keyfile_to_static_ds $keyname > trusted.conf
+cp trusted.conf ../ns6/trusted.conf
diff --git a/bin/tests/system/inline/ns2/bits.db.in b/bin/tests/system/inline/ns2/bits.db.in
new file mode 100644
index 0000000..2652047
--- /dev/null
+++ b/bin/tests/system/inline/ns2/bits.db.in
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns2 . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+ns2			A	10.53.0.2
+ns3			A	10.53.0.3
diff --git a/bin/tests/system/inline/ns2/named.conf.in b/bin/tests/system/inline/ns2/named.conf.in
new file mode 100644
index 0000000..38e6e90
--- /dev/null
+++ b/bin/tests/system/inline/ns2/named.conf.in
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	notify-delay 0;
+	allow-new-zones yes;
+	dnssec-validation no;
+};
+
+zone "bits" {
+	type primary;
+	file "bits.db";
+	allow-update { any; };
+};
+
+zone "retransfer" {
+	type primary;
+	file "retransfer.db";
+	allow-update { any; };
+	notify no;
+};
+
+zone "retransfer3" {
+	type primary;
+	file "retransfer3.db";
+	allow-update { any; };
+	allow-transfer { none; };	// changed dynamically by tests.sh
+	notify no;
+};
+
+zone "nsec3-loop" {
+	type primary;
+	file "nsec3-loop.db";
+	notify no;
+};
+
+zone "inactiveksk" {
+	type primary;
+	file "inactiveksk.db";
+	allow-update { any; };
+};
+
+zone "inactivezsk" {
+	type primary;
+	file "inactivezsk.db";
+	allow-update { any; };
+};
+
+zone "nokeys" {
+	type primary;
+	file "nokeys.db";
+	allow-update { any; };
+};
+
+zone "removedkeys-secondary" {
+	type primary;
+	file "removedkeys-secondary.db";
+	allow-update { any; };
+};
diff --git a/bin/tests/system/inline/ns2/nsec3-loop.db.in b/bin/tests/system/inline/ns2/nsec3-loop.db.in
new file mode 100644
index 0000000..d12af8d
--- /dev/null
+++ b/bin/tests/system/inline/ns2/nsec3-loop.db.in
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; NOTE: This zone's data has been crafted in order to reproduce a very specific
+; scenario (see ns7/named.conf for more details).  Please do not modify this
+; file.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns2 . (
+				1 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
diff --git a/bin/tests/system/inline/ns3/include.db.in b/bin/tests/system/inline/ns3/include.db.in
new file mode 100644
index 0000000..c46a6a8
--- /dev/null
+++ b/bin/tests/system/inline/ns3/include.db.in
@@ -0,0 +1,12 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+f		A	10.0.0.7
diff --git a/bin/tests/system/inline/ns3/named.conf.in b/bin/tests/system/inline/ns3/named.conf.in
new file mode 100644
index 0000000..6b3b3cd
--- /dev/null
+++ b/bin/tests/system/inline/ns3/named.conf.in
@@ -0,0 +1,181 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	try-tcp-refresh no;
+	notify-delay 0;
+	allow-new-zones yes;
+	dnssec-validation no;
+};
+
+zone "bits" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	inline-signing yes;
+	auto-dnssec maintain;
+	allow-update-forwarding { any; };
+	file "bits.bk";
+	sig-signing-signatures 1;	// force incremental processing
+};
+
+server 10.53.0.4 { request-ixfr no; };
+
+zone "noixfr" {
+	type secondary;
+	primaries { 10.53.0.4; };
+	inline-signing yes;
+	auto-dnssec maintain;
+	allow-update-forwarding { any; };
+	file "noixfr.bk";
+};
+
+zone "primary" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "primary.db";
+	notify explicit;
+	also-notify {
+		10.53.0.3;
+	};
+};
+
+zone "dynamic" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	allow-update { any; };
+	file "dynamic.db";
+};
+
+zone "updated" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	allow-update { none; };
+	file "updated.db";
+};
+
+zone "expired" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	allow-update { any; };
+	file "expired.db";
+};
+
+zone "retransfer" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "retransfer.bk";
+};
+
+zone "nsec3" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	allow-update { any; };
+	file "nsec3.db";
+};
+
+zone "externalkey" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	dnssec-dnskey-kskonly no;
+	allow-update { any; };
+	file "externalkey.db";
+};
+
+zone "retransfer3" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "retransfer3.bk";
+};
+
+zone "inactiveksk" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	inline-signing yes;
+	auto-dnssec maintain;
+	dnssec-dnskey-kskonly yes;
+	file "inactiveksk.bk";
+};
+
+zone "inactivezsk" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "inactivezsk.bk";
+};
+
+zone "nokeys" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "nokeys.bk";
+};
+
+zone "delayedkeys" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "delayedkeys.db";
+};
+
+zone "removedkeys-primary" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	allow-update { any; };
+	also-notify { 10.53.0.2; };
+	file "removedkeys-primary.db";
+};
+
+zone "removedkeys-secondary" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "removedkeys-secondary.bk";
+};
+
+zone "unsupported" {
+	type primary;
+	file "unsupported.db";
+	inline-signing yes;
+	auto-dnssec maintain;
+};
diff --git a/bin/tests/system/inline/ns3/primary.db.in b/bin/tests/system/inline/ns3/primary.db.in
new file mode 100644
index 0000000..4d30cf6
--- /dev/null
+++ b/bin/tests/system/inline/ns3/primary.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns3 . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+ns3			A	10.53.0.3
diff --git a/bin/tests/system/inline/ns3/primary2.db.in b/bin/tests/system/inline/ns3/primary2.db.in
new file mode 100644
index 0000000..24a0666
--- /dev/null
+++ b/bin/tests/system/inline/ns3/primary2.db.in
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns3 . (
+				2000042408 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+ns3			A	10.53.0.3
+
+e			A	10.0.0.5
diff --git a/bin/tests/system/inline/ns3/primary3.db.in b/bin/tests/system/inline/ns3/primary3.db.in
new file mode 100644
index 0000000..f3062c3
--- /dev/null
+++ b/bin/tests/system/inline/ns3/primary3.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns3 . (
+				2000042409 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+ns3			A	10.53.0.3
+
+c			A	10.0.0.3
+e			A	10.0.0.5
diff --git a/bin/tests/system/inline/ns3/primary4.db.in b/bin/tests/system/inline/ns3/primary4.db.in
new file mode 100644
index 0000000..737e2e2
--- /dev/null
+++ b/bin/tests/system/inline/ns3/primary4.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns3 hostmaster. (
+				2000042410 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+ns3			A	10.53.0.3
+
+c			A	10.0.0.3
+e			A	10.0.0.5
diff --git a/bin/tests/system/inline/ns3/primary5.db.in b/bin/tests/system/inline/ns3/primary5.db.in
new file mode 100644
index 0000000..a1e1300
--- /dev/null
+++ b/bin/tests/system/inline/ns3/primary5.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns3 . (
+				2000042411 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+ns3			A	10.53.0.3
+
+c			A	10.0.0.3
+e			A	10.0.0.5
diff --git a/bin/tests/system/inline/ns3/primary6.db.in b/bin/tests/system/inline/ns3/primary6.db.in
new file mode 100644
index 0000000..de3e651
--- /dev/null
+++ b/bin/tests/system/inline/ns3/primary6.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns3 . (
+				2000042412 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+ns3			A	10.53.0.3
+
+c			A	10.0.0.3
+e			A	10.0.0.5
+
+$INCLUDE missingfile.db
diff --git a/bin/tests/system/inline/ns3/primary7.db.in b/bin/tests/system/inline/ns3/primary7.db.in
new file mode 100644
index 0000000..a3e33e7
--- /dev/null
+++ b/bin/tests/system/inline/ns3/primary7.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns3 . (
+				2000042412 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+ns3			A	10.53.0.3
+
+c			A	10.0.0.3
+e			A	10.0.0.5
+
+$INCLUDE include.db
diff --git a/bin/tests/system/inline/ns3/sign.sh b/bin/tests/system/inline/ns3/sign.sh
new file mode 100755
index 0000000..f17a8ad
--- /dev/null
+++ b/bin/tests/system/inline/ns3/sign.sh
@@ -0,0 +1,159 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+# Fake an unsupported key
+unsupportedkey=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone unsupported)
+awk '$3 == "DNSKEY" { $6 = 255 } { print }' ${unsupportedkey}.key > ${unsupportedkey}.tmp
+mv ${unsupportedkey}.tmp ${unsupportedkey}.key
+
+zone=bits
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+$DSFROMKEY -T 1200 $keyname >> ../ns1/root.db
+
+zone=noixfr
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+$DSFROMKEY -T 1200 $keyname >> ../ns1/root.db
+
+zone=primary
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+$DSFROMKEY -T 1200 $keyname >> ../ns1/root.db
+
+zone=dynamic
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+$DSFROMKEY -T 1200 $keyname >> ../ns1/root.db
+
+zone=updated
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+$DSFROMKEY -T 1200 $keyname >> ../ns1/root.db
+$SIGNER -S -O raw -L 2000042407 -o ${zone} ${zone}.db > /dev/null
+cp primary2.db.in updated.db
+
+# signatures are expired and should be regenerated on startup
+zone=expired
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+$DSFROMKEY -T 1200 $keyname >> ../ns1/root.db
+$SIGNER -PS -s 20100101000000 -e 20110101000000 -O raw -L 2000042407 -o ${zone} ${zone}.db > /dev/null
+
+zone=retransfer
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+$DSFROMKEY -T 1200 $keyname >> ../ns1/root.db
+
+zone=nsec3
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+$DSFROMKEY -T 1200 $keyname >> ../ns1/root.db
+
+zone=retransfer3
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+$DSFROMKEY -T 1200 $keyname >> ../ns1/root.db
+
+zone=inactiveksk
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -P now -A now+3600 -f KSK $zone)
+keyname=$($KEYGEN -q -a ${ALTERNATIVE_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${ALTERNATIVE_ALGORITHM} -n zone -f KSK $zone)
+$DSFROMKEY -T 1200 $keyname >> ../ns1/root.db
+
+zone=inactivezsk
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -P now -A now+3600 $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+keyname=$($KEYGEN -q -a ${ALTERNATIVE_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${ALTERNATIVE_ALGORITHM} -n zone -f KSK $zone)
+$DSFROMKEY -T 1200 $keyname >> ../ns1/root.db
+
+zone=delayedkeys
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+# Keys for the "delayedkeys" zone should not be initially accessible.
+mv K${zone}.+*+*.* ../
+
+zone=removedkeys-primary
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+
+zone=removedkeys-secondary
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+
+for s in a c d h k l m q z
+do
+	zone=test-$s
+	keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+done
+
+for s in b f i o p t v
+do
+	zone=test-$s
+	keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+	keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+done
+
+zone=externalkey
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+
+for alg in ${DEFAULT_ALGORITHM} ${ALTERNATIVE_ALGORITHM}
+do
+    k1=$($KEYGEN -q -a $alg -n zone -f KSK $zone)
+    k2=$($KEYGEN -q -a $alg -n zone $zone)
+    k3=$($KEYGEN -q -a $alg -n zone $zone)
+    k4=$($KEYGEN -q -a $alg -n zone -f KSK $zone)
+    $DSFROMKEY -T 1200 $k4 >> ../ns1/root.db
+
+    # Convert k1 and k2 in to External Keys.
+    rm -f $k1.private
+    mv $k1.key a-file
+    $IMPORTKEY -P now -D now+3600 -f a-file $zone > /dev/null 2>&1 ||
+        ( echo_i "importkey failed: $alg" )
+    rm -f $k2.private
+    mv $k2.key a-file
+    $IMPORTKEY -f a-file $zone > /dev/null 2>&1 ||
+        ( echo_i "importkey failed: $alg" )
+done
diff --git a/bin/tests/system/inline/ns4/named.conf.in b/bin/tests/system/inline/ns4/named.conf.in
new file mode 100644
index 0000000..c0745f4
--- /dev/null
+++ b/bin/tests/system/inline/ns4/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	notify-delay 0;
+	dnssec-validation no;
+};
+
+zone "noixfr" {
+	type primary;
+	file "noixfr.db";
+	allow-update { any; };
+};
diff --git a/bin/tests/system/inline/ns4/noixfr.db.in b/bin/tests/system/inline/ns4/noixfr.db.in
new file mode 100644
index 0000000..c40f011
--- /dev/null
+++ b/bin/tests/system/inline/ns4/noixfr.db.in
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns4 . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+ns4			A	10.53.0.4
+ns3			A	10.53.0.3
diff --git a/bin/tests/system/inline/ns5/named.conf.post b/bin/tests/system/inline/ns5/named.conf.post
new file mode 100644
index 0000000..f454b35
--- /dev/null
+++ b/bin/tests/system/inline/ns5/named.conf.post
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	notify-delay 0;
+	servfail-ttl 0;
+};
+
+zone "bits" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "bits.bk";
+	auto-dnssec maintain;
+	inline-signing yes;
+};
diff --git a/bin/tests/system/inline/ns5/named.conf.pre b/bin/tests/system/inline/ns5/named.conf.pre
new file mode 100644
index 0000000..91844ac
--- /dev/null
+++ b/bin/tests/system/inline/ns5/named.conf.pre
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	notify-delay 0;
+};
+
+zone "bits" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "bits.bk";
+};
diff --git a/bin/tests/system/inline/ns6/named.conf.in b/bin/tests/system/inline/ns6/named.conf.in
new file mode 100644
index 0000000..8237f31
--- /dev/null
+++ b/bin/tests/system/inline/ns6/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS6
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	notify-delay 0;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/inline/ns7/named.conf.in b/bin/tests/system/inline/ns7/named.conf.in
new file mode 100644
index 0000000..3a0cf86
--- /dev/null
+++ b/bin/tests/system/inline/ns7/named.conf.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * NS7
+ *
+ * NOTE: This named instance is used to reproduce a scenario which involves a
+ * number of functions getting called in a very specific order which results in
+ * an infinite loop while iterating over NSEC3 red-black tree.  Ensuring this
+ * happens requires carefully setting the number of signing keys, NSEC3
+ * parameters (number of iterations and salt value), zone data and named
+ * configuration.  Changing any of these and/or influencing this instance's
+ * behavior (e.g. by sending extra queries to it) might render this test moot
+ * as it will no longer be able to reproduce the exact scenario it attempts to.
+ *
+ * Given the above, please do not use this instance for any other test than the
+ * one it was meant for.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	try-tcp-refresh no;
+	allow-new-zones yes;
+	sig-signing-nodes 100;
+	sig-signing-signatures 10;
+};
diff --git a/bin/tests/system/inline/ns7/sign.sh b/bin/tests/system/inline/ns7/sign.sh
new file mode 100755
index 0000000..8ab8288
--- /dev/null
+++ b/bin/tests/system/inline/ns7/sign.sh
@@ -0,0 +1,24 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+# NOTE: The number of signing keys generated below is not coincidental.  More
+# details can be found in the comment inside ns7/named.conf.
+
+zone=nsec3-loop
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
diff --git a/bin/tests/system/inline/ns8/example.com.db.in b/bin/tests/system/inline/ns8/example.com.db.in
new file mode 100644
index 0000000..dfc7630
--- /dev/null
+++ b/bin/tests/system/inline/ns8/example.com.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns8 . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns8
+ns8			A	10.53.0.8
diff --git a/bin/tests/system/inline/ns8/example.db.in b/bin/tests/system/inline/ns8/example.db.in
new file mode 100644
index 0000000..3ebf398
--- /dev/null
+++ b/bin/tests/system/inline/ns8/example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns8
+ns8			A	10.53.0.8
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
diff --git a/bin/tests/system/inline/ns8/example2.db.in b/bin/tests/system/inline/ns8/example2.db.in
new file mode 100644
index 0000000..1f42c3a
--- /dev/null
+++ b/bin/tests/system/inline/ns8/example2.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			2       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns8
+ns8			A	10.53.0.8
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
diff --git a/bin/tests/system/inline/ns8/example3.db.in b/bin/tests/system/inline/ns8/example3.db.in
new file mode 100644
index 0000000..a9e3daa
--- /dev/null
+++ b/bin/tests/system/inline/ns8/example3.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 400
+@		IN	SOA  mname1. . (
+			3       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns8
+ns8			A	10.53.0.8
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
diff --git a/bin/tests/system/inline/ns8/named.conf.in b/bin/tests/system/inline/ns8/named.conf.in
new file mode 100644
index 0000000..47bb991
--- /dev/null
+++ b/bin/tests/system/inline/ns8/named.conf.in
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS8
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.8 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.8;
+	notify-source 10.53.0.8;
+	transfer-source 10.53.0.8;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.8; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	try-tcp-refresh no;
+	notify-delay 0;
+	allow-new-zones yes;
+	dnssec-validation no;
+};
+
+zone "example01.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example01.com.db";
+};
+
+zone "example02.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example02.com.db";
+};
+
+zone "example03.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example03.com.db";
+};
+
+zone "example04.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example04.com.db";
+};
+
+zone "example05.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example05.com.db";
+};
+
+zone "example06.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example06.com.db";
+};
+
+zone "example07.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example07.com.db";
+};
+
+zone "example08.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example08.com.db";
+};
+
+zone "example09.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example09.com.db";
+};
+
+zone "example10.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example10.com.db";
+};
+
+zone "example11.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example11.com.db";
+};
+
+zone "example12.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example12.com.db";
+};
+
+zone "example13.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example13.com.db";
+};
+
+zone "example14.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example14.com.db";
+};
+
+zone "example15.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example15.com.db";
+};
+
+zone "example16.com" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example16.com.db";
+};
+
+zone example {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "example.db";
+};
+
+zone "unsigned-serial-test" {
+	type primary;
+	inline-signing yes;
+	auto-dnssec maintain;
+	file "unsigned-serial-test.db";
+};
diff --git a/bin/tests/system/inline/ns8/sign.sh b/bin/tests/system/inline/ns8/sign.sh
new file mode 100755
index 0000000..d9b95e4
--- /dev/null
+++ b/bin/tests/system/inline/ns8/sign.sh
@@ -0,0 +1,35 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+for zone in example01.com example02.com example03.com example04.com \
+	    example05.com example06.com example07.com example08.com \
+	    example09.com example10.com example11.com example12.com \
+	    example13.com example14.com example15.com example16.com
+do
+  rm -f K${zone}.+*+*.key
+  rm -f K${zone}.+*+*.private
+  keyname=$($KEYGEN -q -a $DEFAULT_ALGORITHM -b $DEFAULT_BITS -n zone $zone)
+  keyname=$($KEYGEN -q -a $DEFAULT_ALGORITHM -b $DEFAULT_BITS -n zone -f KSK $zone)
+  cp example.com.db.in ${zone}.db
+  $SIGNER -S -T 3600 -O raw -L 2000042407 -o ${zone} ${zone}.db > /dev/null 2>&1
+done
+
+for zone in example unsigned-serial-test; do
+  rm -f K${zone}.+*+*.key
+  rm -f K${zone}.+*+*.private
+  keyname=$($KEYGEN -q -a $DEFAULT_ALGORITHM -b $DEFAULT_BITS -n zone $zone)
+  keyname=$($KEYGEN -q -a $DEFAULT_ALGORITHM -b $DEFAULT_BITS -n zone -f KSK $zone)
+  cp example.db.in ${zone}.db
+done
diff --git a/bin/tests/system/inline/setup.sh b/bin/tests/system/inline/setup.sh
new file mode 100644
index 0000000..84233c8
--- /dev/null
+++ b/bin/tests/system/inline/setup.sh
@@ -0,0 +1,56 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+cp ns1/root.db.in ns1/root.db
+
+touch ns2/trusted.conf
+cp ns2/nsec3-loop.db.in ns2/nsec3-loop.db
+cp ns2/bits.db.in ns2/bits.db
+cp ns2/bits.db.in ns2/inactiveksk.db
+cp ns2/bits.db.in ns2/inactivezsk.db
+cp ns2/bits.db.in ns2/nokeys.db
+cp ns2/bits.db.in ns2/removedkeys-secondary.db
+cp ns2/bits.db.in ns2/retransfer.db
+cp ns2/bits.db.in ns2/retransfer3.db
+
+cp ns3/primary.db.in ns3/primary.db
+cp ns3/primary.db.in ns3/dynamic.db
+cp ns3/primary.db.in ns3/updated.db
+cp ns3/primary.db.in ns3/unsupported.db
+cp ns3/primary.db.in ns3/expired.db
+cp ns3/primary.db.in ns3/nsec3.db
+cp ns3/primary.db.in ns3/externalkey.db
+cp ns3/primary.db.in ns3/delayedkeys.db
+cp ns3/primary.db.in ns3/removedkeys-primary.db
+cp ns3/include.db.in ns3/include.db
+
+mkdir ns3/removedkeys
+
+touch ns4/trusted.conf
+cp ns4/noixfr.db.in ns4/noixfr.db
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.pre ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+copy_setports ns8/named.conf.in ns8/named.conf
+
+(cd ns3; $SHELL -e sign.sh)
+(cd ns1; $SHELL -e sign.sh)
+(cd ns7; $SHELL -e sign.sh)
+(cd ns8; $SHELL -e sign.sh)
diff --git a/bin/tests/system/inline/tests.sh b/bin/tests/system/inline/tests.sh
new file mode 100755
index 0000000..e9c4554
--- /dev/null
+++ b/bin/tests/system/inline/tests.sh
@@ -0,0 +1,1501 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +dnssec -p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+dig_with_opts() {
+	$DIG $DIGOPTS "$@"
+}
+
+rndccmd() {
+	$RNDCCMD "$@"
+}
+
+wait_for_serial() (
+    $DIG $DIGOPTS "@$1" "$2" SOA > "$4"
+    serial=$(awk '$4 == "SOA" { print $7 }' "$4")
+    [ "$3" -eq "${serial:--1}" ]
+)
+
+status=0
+n=0
+ret=0
+
+$RNDCCMD 10.53.0.3 signing -nsec3param 1 0 0 - nsec3 > /dev/null 2>&1 || ret=1
+
+for i in 1 2 3 4 5 6 7 8 9 0
+do
+	nsec3param=$($DIG $DIGOPTS +nodnssec +short @10.53.0.3 nsec3param nsec3.) || ret=1
+	test "$nsec3param" = "1 0 0 -" && break
+	sleep 1
+done
+
+if [ $ret != 0 ]; then echo_i "pre-condition failed, test aborted"; exit 1; fi
+
+n=$((n + 1))
+echo_i "checking that an unsupported algorithm is not used for signing ($n)"
+ret=0
+grep -q "algorithm is unsupported" ns3/named.run || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that rrsigs are replaced with ksk only ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 axfr nsec3. |
+	awk '/RRSIG NSEC3/ {a[$1]++} END { for (i in a) {if (a[i] != 1) exit (1)}}' || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that the zone is signed on initial transfer ($n)"
+ret=0
+for i in 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$RNDCCMD 10.53.0.3 signing -list bits > signing.out.test$n 2>&1 || ret=1
+	keys=$(grep '^Done signing' signing.out.test$n | wc -l)
+	[ $keys = 2 ] || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking expired signatures are updated on load ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 +noall +answer +dnssec expired SOA > dig.out.ns3.test$n || ret=1
+expiry=$(awk '$4 == "RRSIG" { print $9 }' dig.out.ns3.test$n)
+[ "$expiry" = "20110101000000" ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking removal of private type record via 'rndc signing -clear' ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 signing -list bits > signing.out.test$n 2>&1 || ret=1
+keys=$(sed -n -e 's/Done signing with key \(.*\)$/\1/p' signing.out.test$n)
+for key in $keys; do
+	$RNDCCMD 10.53.0.3 signing -clear ${key} bits > /dev/null || ret=1
+	break;	# We only want to remove 1 record for now.
+done 2>&1 |sed 's/^/ns3 /' | cat_i
+
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ans=0
+	$RNDCCMD 10.53.0.3 signing -list bits > signing.out.test$n 2>&1 || ret=1
+        num=$(grep "Done signing with" signing.out.test$n | wc -l)
+	[ $num = 1 ] && break
+	sleep 1
+done
+[ $ans = 0 ] || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking private type was properly signed ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.6 bits TYPE65534 > dig.out.ns6.test$n || ret=1
+grep "ANSWER: 2," dig.out.ns6.test$n > /dev/null || ret=1
+grep "flags:.* ad[ ;]" dig.out.ns6.test$n > /dev/null || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking removal of remaining private type record via 'rndc signing -clear all' ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 signing -clear all bits > /dev/null || ret=1
+
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ans=0
+	$RNDCCMD 10.53.0.3 signing -list bits > signing.out.test$n 2>&1 || ret=1
+	grep "No signing records found" signing.out.test$n > /dev/null || ans=1
+	[ $ans = 1 ] || break
+	sleep 1
+done
+[ $ans = 0 ] || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking negative private type response was properly signed ($n)"
+ret=0
+sleep 1
+$DIG $DIGOPTS @10.53.0.6 bits TYPE65534 > dig.out.ns6.test$n || ret=1
+grep "status: NOERROR" dig.out.ns6.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns6.test$n > /dev/null || ret=1
+grep "flags:.* ad[ ;]" dig.out.ns6.test$n > /dev/null || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that the record is added on the hidden primary ($n)"
+ret=0
+
+$NSUPDATE << EOF || ret=1
+zone bits
+server 10.53.0.2 ${PORT}
+update add added.bits 0 A 1.2.3.4
+send
+EOF
+
+$DIG $DIGOPTS @10.53.0.2 added.bits A > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that update has been transferred and has been signed ($n)"
+ret=0
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$DIG $DIGOPTS @10.53.0.3 added.bits A > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking YYYYMMDDVV (2011072400) serial on hidden primary ($n)"
+ret=0
+
+$NSUPDATE << EOF || ret=1
+zone bits
+server 10.53.0.2 ${PORT}
+update add bits 0 SOA ns2.bits. . 2011072400 20 20 1814400 3600
+send
+EOF
+
+$DIG $DIGOPTS @10.53.0.2 bits SOA > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2011072400" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking YYYYMMDDVV (2011072400) serial in signed zone ($n)"
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$DIG $DIGOPTS @10.53.0.3 bits SOA > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ret=1
+	grep "2011072400" dig.out.ns3.test$n > /dev/null || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that the zone is signed on initial transfer, noixfr ($n)"
+ret=0
+for i in 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$RNDCCMD 10.53.0.3 signing -list noixfr > signing.out.test$n 2>&1 || ret=1
+	keys=$(grep '^Done signing' signing.out.test$n | wc -l)
+	[ $keys = 2 ] || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that the record is added on the hidden primary, noixfr ($n)"
+ret=0
+
+$NSUPDATE << EOF || ret=1
+zone noixfr
+server 10.53.0.4 ${PORT}
+update add added.noixfr 0 A 1.2.3.4
+send
+EOF
+
+$DIG $DIGOPTS @10.53.0.4 added.noixfr A > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that update has been transferred and has been signed, noixfr ($n)"
+ret=0
+for i in 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$DIG $DIGOPTS @10.53.0.3 added.noixfr A > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking YYYYMMDDVV (2011072400) serial on hidden primary, noixfr ($n)"
+ret=0
+
+$NSUPDATE << EOF || ret=1
+zone noixfr
+server 10.53.0.4 ${PORT}
+update add noixfr 0 SOA ns4.noixfr. . 2011072400 20 20 1814400 3600
+send
+EOF
+
+$DIG $DIGOPTS @10.53.0.4 noixfr SOA > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns4.test$n > /dev/null || ret=1
+grep "2011072400" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking YYYYMMDDVV (2011072400) serial in signed zone, noixfr ($n)"
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$DIG $DIGOPTS @10.53.0.3 noixfr SOA > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ret=1
+	grep "2011072400" dig.out.ns3.test$n > /dev/null || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that the primary zone signed on initial load ($n)"
+ret=0
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$RNDCCMD 10.53.0.3 signing -list primary  > signing.out.test$n 2>&1 || ret=1
+	keys=$(grep '^Done signing' signing.out.test$n | wc -l)
+	[ $keys = 2 ] || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking removal of private type record via 'rndc signing -clear' (primary) ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 signing -list primary > signing.out.test$n 2>&1 || ret=1
+keys=$(sed -n -e 's/Done signing with key \(.*\)$/\1/p' signing.out.test$n)
+for key in $keys; do
+	$RNDCCMD 10.53.0.3 signing -clear ${key} primary > /dev/null || ret=1
+	break;	# We only want to remove 1 record for now.
+done 2>&1 |sed 's/^/ns3 /' | cat_i
+
+for i in 1 2 3 4 5 6 7 8 9
+do
+	ans=0
+	$RNDCCMD 10.53.0.3 signing -list primary > signing.out.test$n 2>&1 || ret=1
+        num=$(grep "Done signing with" signing.out.test$n | wc -l)
+	[ $num = 1 ] && break
+	sleep 1
+done
+[ $ans = 0 ] || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking private type was properly signed (primary) ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.6 primary TYPE65534 > dig.out.ns6.test$n || ret=1
+grep "ANSWER: 2," dig.out.ns6.test$n > /dev/null || ret=1
+grep "flags:.* ad[ ;]" dig.out.ns6.test$n > /dev/null || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking removal of remaining private type record via 'rndc signing -clear' (primary) ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 signing -clear all primary > /dev/null || ret=1
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ans=0
+	$RNDCCMD 10.53.0.3 signing -list primary > signing.out.test$n 2>&1 || ret=1
+	grep "No signing records found" signing.out.test$n > /dev/null || ans=1
+	[ $ans = 1 ] || break
+	sleep 1
+done
+[ $ans = 0 ] || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check adding of record to unsigned primary ($n)"
+ret=0
+cp ns3/primary2.db.in ns3/primary.db
+rndc_reload ns3 10.53.0.3 primary
+for i in 1 2 3 4 5 6 7 8 9
+do
+	ans=0
+	$DIG $DIGOPTS @10.53.0.3 e.primary A > dig.out.ns3.test$n || ret=1
+	grep "10.0.0.5" dig.out.ns3.test$n > /dev/null || ans=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ans=1
+	[ $ans = 1 ] || break
+	sleep 1
+done
+[ $ans = 0 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check adding record fails when SOA serial not changed ($n)"
+ret=0
+echo "c A 10.0.0.3" >> ns3/primary.db
+rndc_reload ns3 10.53.0.3
+sleep 1
+$DIG $DIGOPTS @10.53.0.3 c.primary A > dig.out.ns3.test$n || ret=1
+grep "NXDOMAIN" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check adding record works after updating SOA serial ($n)"
+ret=0
+cp ns3/primary3.db.in ns3/primary.db
+$RNDCCMD 10.53.0.3 reload primary 2>&1 | sed 's/^/ns3 /' | cat_i
+for i in 1 2 3 4 5 6 7 8 9
+do
+	ans=0
+	$DIG $DIGOPTS @10.53.0.3 c.primary A > dig.out.ns3.test$n || ret=1
+	grep "10.0.0.3" dig.out.ns3.test$n > /dev/null || ans=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ans=1
+	[ $ans = 1 ] || break
+	sleep 1
+done
+[ $ans = 0 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check the added record was properly signed ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 e.primary A > dig.out.ns6.test$n || ret=1
+grep "10.0.0.5" dig.out.ns6.test$n > /dev/null || ans=1
+grep "ANSWER: 2," dig.out.ns6.test$n > /dev/null || ans=1
+grep "flags:.* ad[ ;]" dig.out.ns6.test$n > /dev/null || ans=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that the dynamic primary zone signed on initial load ($n)"
+ret=0
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$RNDCCMD 10.53.0.3 signing -list dynamic > signing.out.test$n 2>&1 || ret=1
+	keys=$(grep '^Done signing' signing.out.test$n | wc -l)
+	[ $keys = 2 ] || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking primary zone that was updated while offline is correct ($n)"
+ret=0
+$DIG $DIGOPTS +nodnssec +short @10.53.0.3 updated SOA >dig.out.ns2.soa.test$n || ret=1
+serial=$(awk '{print $3}' dig.out.ns2.soa.test$n)
+# serial should have changed
+[ "$serial" = "2000042407" ] && ret=1
+# e.updated should exist and should be signed
+$DIG $DIGOPTS @10.53.0.3 e.updated A > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ret=1
+# updated.db.signed.jnl should exist, should have the source serial
+# of primary2.db, and should show a minimal diff: no more than 8 added
+# records (SOA/RRSIG, 2 x NSEC/RRSIG, A/RRSIG), and 4 removed records
+# (SOA/RRSIG, NSEC/RRSIG).
+$JOURNALPRINT ns3/updated.db.signed.jnl >journalprint.out.test$n || ret=1
+serial=$(awk '/Source serial =/ {print $4}' journalprint.out.test$n)
+[ "$serial" = "2000042408" ] || ret=1
+diffsize=$(wc -l < journalprint.out.test$n)
+[ "$diffsize" -le 13 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking adding of record to unsigned primary using UPDATE ($n)"
+ret=0
+
+[ -f ns3/dynamic.db.jnl ] && { ret=1 ; echo_i "journal exists (pretest)" ; }
+
+$NSUPDATE << EOF || ret=1
+zone dynamic
+server 10.53.0.3 ${PORT}
+update add e.dynamic 0 A 1.2.3.4
+send
+EOF
+
+[ -f ns3/dynamic.db.jnl ] || { ret=1 ; echo_i "journal does not exist (posttest)" ; }
+
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ans=0
+	$DIG $DIGOPTS @10.53.0.3 e.dynamic > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ans=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ans=1
+	grep "1.2.3.4" dig.out.ns3.test$n > /dev/null || ans=1
+	[ $ans = 0 ] && break
+	sleep 1
+done
+[ $ans = 0 ] || { ret=1; echo_i "signed record not found"; cat dig.out.ns3.test$n ; }
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "stop bump in the wire signer server ($n)"
+ret=0
+stop_server ns3 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "restart bump in the wire signer server ($n)"
+ret=0
+start_server --noclean --restart --port ${PORT} ns3 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking YYYYMMDDVV (2011072450) serial on hidden primary ($n)"
+ret=0
+
+$NSUPDATE << EOF || ret=1
+zone bits
+server 10.53.0.2 ${PORT}
+update add bits 0 SOA ns2.bits. . 2011072450 20 20 1814400 3600
+send
+EOF
+
+$DIG $DIGOPTS @10.53.0.2 bits SOA > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2011072450" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking YYYYMMDDVV (2011072450) serial in signed zone ($n)"
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$DIG $DIGOPTS @10.53.0.3 bits SOA > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ret=1
+	grep "2011072450" dig.out.ns3.test$n > /dev/null || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking YYYYMMDDVV (2011072450) serial on hidden primary, noixfr ($n)"
+ret=0
+
+$NSUPDATE << EOF || ret=1
+zone noixfr
+server 10.53.0.4 ${PORT}
+update add noixfr 0 SOA ns4.noixfr. . 2011072450 20 20 1814400 3600
+send
+EOF
+
+$DIG $DIGOPTS @10.53.0.4 noixfr SOA > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns4.test$n > /dev/null || ret=1
+grep "2011072450" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking YYYYMMDDVV (2011072450) serial in signed zone, noixfr ($n)"
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$DIG $DIGOPTS @10.53.0.3 noixfr SOA > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ret=1
+	grep "2011072450" dig.out.ns3.test$n > /dev/null || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking forwarded update on hidden primary ($n)"
+ret=0
+
+$NSUPDATE << EOF || ret=1
+zone bits
+server 10.53.0.3 ${PORT}
+update add bits 0 SOA ns2.bits. . 2011072460 20 20 1814400 3600
+send
+EOF
+
+$DIG $DIGOPTS @10.53.0.2 bits SOA > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+grep "2011072460" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking forwarded update on signed zone ($n)"
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$DIG $DIGOPTS @10.53.0.3 bits SOA > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ret=1
+	grep "2011072460" dig.out.ns3.test$n > /dev/null || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking forwarded update on hidden primary, noixfr ($n)"
+ret=0
+
+$NSUPDATE << EOF || ret=1
+zone noixfr
+server 10.53.0.3 ${PORT}
+update add noixfr 0 SOA ns4.noixfr. . 2011072460 20 20 1814400 3600
+send
+EOF
+
+$DIG $DIGOPTS @10.53.0.4 noixfr SOA > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns4.test$n > /dev/null || ret=1
+grep "2011072460" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking forwarded update on signed zone, noixfr ($n)"
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$DIG $DIGOPTS @10.53.0.3 noixfr SOA > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ret=1
+	grep "2011072460" dig.out.ns3.test$n > /dev/null || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+ret=0
+n=$((n + 1))
+echo_i "checking turning on of inline signing in a secondary zone via reload ($n)"
+$DIG $DIGOPTS @10.53.0.5 +dnssec bits SOA > dig.out.ns5.test$n || ret=1
+grep "status: NOERROR" dig.out.ns5.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns5.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "setup broken"; fi
+status=$((status + ret))
+copy_setports ns5/named.conf.post ns5/named.conf
+(cd ns5; $KEYGEN -q -a ${DEFAULT_ALGORITHM} bits) > /dev/null 2>&1
+(cd ns5; $KEYGEN -q -a ${DEFAULT_ALGORITHM} -f KSK bits) > /dev/null 2>&1
+rndc_reload ns5 10.53.0.5
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$DIG $DIGOPTS @10.53.0.5 bits SOA > dig.out.ns5.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns5.test$n > /dev/null || ret=1
+	grep "ANSWER: 2," dig.out.ns5.test$n > /dev/null || ret=1
+	if [ $ret = 0 ]; then break; fi
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking rndc freeze/thaw of dynamic inline zone no change ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 freeze dynamic > freeze.test$n 2>&1 || { echo_i "/' < freeze.test$n"; ret=1;  }
+sleep 1
+$RNDCCMD 10.53.0.3 thaw dynamic > thaw.test$n 2>&1 || { echo_i "rndc thaw dynamic failed" ; ret=1; }
+sleep 1
+grep "zone dynamic/IN (unsigned): ixfr-from-differences: unchanged" ns3/named.run > /dev/null ||  ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+
+n=$((n + 1))
+echo_i "checking rndc freeze/thaw of dynamic inline zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 freeze dynamic > freeze.test$n 2>&1 || ret=1
+sleep 1
+awk '$2 == ";" && $3 ~ /serial/ { printf("%d %s %s\n", $1 + 1, $2, $3); next; }
+     { print; }
+     END { print "freeze1.dynamic. 0 TXT freeze1"; } ' ns3/dynamic.db > ns3/dynamic.db.new
+mv ns3/dynamic.db.new ns3/dynamic.db
+$RNDCCMD 10.53.0.3 thaw dynamic > thaw.test$n 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check added record freeze1.dynamic ($n)"
+for i in 1 2 3 4 5 6 7 8 9
+do
+    ret=0
+    $DIG $DIGOPTS @10.53.0.3 freeze1.dynamic TXT > dig.out.ns3.test$n || ret=1
+    grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+    grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ret=1
+    test $ret = 0 && break
+    sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# allow 1 second so that file time stamps change
+sleep 1
+
+n=$((n + 1))
+echo_i "checking rndc freeze/thaw of server ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 freeze > freeze.test$n 2>&1 || ret=1
+sleep 1
+awk '$2 == ";" && $3 ~ /serial/ { printf("%d %s %s\n", $1 + 1, $2, $3); next; }
+     { print; }
+     END { print "freeze2.dynamic. 0 TXT freeze2"; } ' ns3/dynamic.db > ns3/dynamic.db.new
+mv ns3/dynamic.db.new ns3/dynamic.db
+$RNDCCMD 10.53.0.3 thaw > thaw.test$n 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check added record freeze2.dynamic ($n)"
+for i in 1 2 3 4 5 6 7 8 9
+do
+    ret=0
+    $DIG $DIGOPTS @10.53.0.3 freeze2.dynamic TXT > dig.out.ns3.test$n || ret=1
+    grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+    grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ret=1
+    test $ret = 0 && break
+    sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check rndc reload allows reuse of inline-signing zones ($n)"
+ret=0
+{ $RNDCCMD 10.53.0.3 reload 2>&1 || ret=1 ; } | sed 's/^/ns3 /' | cat_i
+grep "not reusable" ns3/named.run > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check rndc sync removes both signed and unsigned journals ($n)"
+ret=0
+[ -f ns3/dynamic.db.jnl ] || ret=1
+[ -f ns3/dynamic.db.signed.jnl ] || ret=1
+$RNDCCMD 10.53.0.3 sync -clean dynamic 2>&1 || ret=1
+[ -f ns3/dynamic.db.jnl ] && ret=1
+[ -f ns3/dynamic.db.signed.jnl ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that the retransfer record is added on the hidden primary ($n)"
+ret=0
+
+$NSUPDATE << EOF || ret=1
+zone retransfer
+server 10.53.0.2 ${PORT}
+update add added.retransfer 0 A 1.2.3.4
+send
+
+EOF
+
+$DIG $DIGOPTS @10.53.0.2 added.retransfer A > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that the change has not been transferred due to notify ($n)"
+ret=0
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	ans=0
+	$DIG $DIGOPTS @10.53.0.3 added.retransfer A > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ans=1
+	[ $ans = 0 ] && break
+	sleep 1
+done
+if [ $ans != 1 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check rndc retransfer of a inline secondary zone works ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 retransfer retransfer 2>&1 || ret=1
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	ans=0
+	$DIG $DIGOPTS @10.53.0.3 added.retransfer A > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ans=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ans=1
+	[ $ans = 0 ] && break
+	sleep 1
+done
+[ $ans = 1 ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check 'rndc signing -nsec3param' requests are queued for zones which are not loaded ($n)"
+ret=0
+# The "retransfer3" zone is configured with "allow-transfer { none; };" on ns2,
+# which means it should not yet be available on ns3.
+$DIG $DIGOPTS @10.53.0.3 retransfer3 SOA > dig.out.ns3.pre.test$n || ret=1
+grep "status: SERVFAIL" dig.out.ns3.pre.test$n > /dev/null || ret=1
+# Switch the zone to NSEC3.  An "NSEC3 -> NSEC -> NSEC3" sequence is used purely
+# to test that multiple queued "rndc signing -nsec3param" requests are handled
+# properly.
+$RNDCCMD 10.53.0.3 signing -nsec3param 1 0 0 - retransfer3 > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.3 signing -nsec3param none retransfer3 > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.3 signing -nsec3param 1 0 0 - retransfer3 > /dev/null 2>&1 || ret=1
+# Reconfigure ns2 to allow outgoing transfers for the "retransfer3" zone.
+sed "s|\(allow-transfer { none; };.*\)|// \1|;" ns2/named.conf > ns2/named.conf.new
+mv ns2/named.conf.new ns2/named.conf
+$RNDCCMD 10.53.0.2 reconfig || ret=1
+# Request ns3 to retransfer the "retransfer3" zone.
+$RNDCCMD 10.53.0.3 retransfer retransfer3 || ret=1
+# Check whether "retransfer3" uses NSEC3 as requested.
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	ret=0
+	$DIG $DIGOPTS @10.53.0.3 nonexist.retransfer3 A > dig.out.ns3.post.test$n.$i || ret=1
+	grep "status: NXDOMAIN" dig.out.ns3.post.test$n.$i > /dev/null || ret=1
+	grep "NSEC3" dig.out.ns3.post.test$n.$i > /dev/null || ret=1
+	test $ret -eq 0 && break
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check rndc retransfer of a inline nsec3 secondary retains nsec3 ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 signing -nsec3param 1 0 0 - retransfer3 > /dev/null 2>&1 || ret=1
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	ans=0
+	$DIG $DIGOPTS @10.53.0.3 nonexist.retransfer3 A > dig.out.ns3.pre.test$n || ret=1
+	grep "status: NXDOMAIN" dig.out.ns3.pre.test$n > /dev/null || ans=1
+	grep "NSEC3" dig.out.ns3.pre.test$n > /dev/null || ans=1
+	[ $ans = 0 ] && break
+	sleep 1
+done
+$RNDCCMD 10.53.0.3 retransfer retransfer3 2>&1 || ret=1
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	ans=0
+	$DIG $DIGOPTS @10.53.0.3 nonexist.retransfer3 A > dig.out.ns3.post.test$n || ret=1
+	grep "status: NXDOMAIN" dig.out.ns3.post.test$n > /dev/null || ans=1
+	grep "NSEC3" dig.out.ns3.post.test$n > /dev/null || ans=1
+	[ $ans = 0 ] && break
+	sleep 1
+done
+[ $ans = 1 ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# NOTE: The test below should be considered fragile.  More details can be found
+# in the comment inside ns7/named.conf.
+n=$((n + 1))
+echo_i "check rndc retransfer of a inline nsec3 secondary does not trigger an infinite loop ($n)"
+ret=0
+zone=nsec3-loop
+# Add secondary zone using rndc
+$RNDCCMD 10.53.0.7 addzone $zone \
+	'{ type secondary; primaries { 10.53.0.2; }; file "'$zone'.db"; inline-signing yes; auto-dnssec maintain; };' || ret=1
+# Wait until secondary zone is fully signed using NSEC
+for i in 1 2 3 4 5 6 7 8 9 0
+do
+	ret=1
+	$RNDCCMD 10.53.0.7 signing -list $zone > signing.out.test$n 2>&1 || ret=1
+	keys=$(grep '^Done signing' signing.out.test$n | wc -l)
+	[ $keys -eq 3 ] && ret=0 && break
+	sleep 1
+done
+# Switch secondary zone to NSEC3
+$RNDCCMD 10.53.0.7 signing -nsec3param 1 0 2 12345678 $zone > /dev/null 2>&1 || ret=1
+# Wait until secondary zone is fully signed using NSEC3
+for i in 1 2 3 4 5 6 7 8 9 0
+do
+	ret=1
+	nsec3param=$($DIG $DIGOPTS +nodnssec +short @10.53.0.7 nsec3param $zone) || ret=1
+	test "$nsec3param" = "1 0 2 12345678" && ret=0 && break
+	sleep 1
+done
+# Attempt to retransfer the secondary zone from primary
+$RNDCCMD 10.53.0.7 retransfer $zone || ret=1
+# Check whether the signer managed to fully sign the retransferred zone by
+# waiting for a specific SOA serial number to appear in the logs; if this
+# specific SOA serial number does not appear in the logs, it means the signer
+# has either ran into an infinite loop or crashed; note that we check the logs
+# instead of sending SOA queries to the signer as these may influence its
+# behavior in a way which may prevent the desired scenario from being
+# reproduced (see comment in ns7/named.conf)
+for i in 1 2 3 4 5 6 7 8 9 0
+do
+	ret=1
+	{ grep "ns2.$zone. . 10 20 20 1814400 3600" ns7/named.run > /dev/null 2>&1; rc=$?; } || true
+	[ $rc -eq 0 ] && ret=0 && break
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "stop bump in the wire signer server ($n)"
+ret=0
+stop_server ns3 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "update SOA record while stopped"
+cp ns3/primary4.db.in ns3/primary.db
+rm -f ns3/primary.db.jnl
+
+n=$((n + 1))
+echo_i "restart bump in the wire signer server ($n)"
+ret=0
+start_server --noclean --restart --port ${PORT} ns3 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "updates to SOA parameters other than serial while stopped are reflected in signed zone ($n)"
+ret=0
+for i in 1 2 3 4 5 6 7 8 9
+do
+	ans=0
+	$DIG $DIGOPTS @10.53.0.3 primary SOA > dig.out.ns3.test$n || ret=1
+	grep "hostmaster" dig.out.ns3.test$n > /dev/null || ans=1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || ans=1
+	[ $ans = 1 ] || break
+	sleep 1
+done
+[ $ans = 0 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that reloading all zones does not cause zone maintenance to cease for inline-signed zones ($n)"
+ret=1
+# Ensure "rndc reload" attempts to load ns3/primary.db by waiting 1 second so
+# that the file modification time has no possibility of being equal to
+# the one stored during server startup.
+sleep 1
+nextpart ns3/named.run > /dev/null
+cp ns3/primary5.db.in ns3/primary.db
+rndc_reload ns3 10.53.0.3
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	if nextpart ns3/named.run | grep "zone primary.*sending notifies" > /dev/null; then
+		ret=0
+		break
+	fi
+	sleep 1
+done
+# Sanity check: file updates should be reflected in the signed zone,
+# i.e. SOA RNAME should no longer be set to "hostmaster".
+$DIG $DIGOPTS @10.53.0.3 primary SOA > dig.out.ns3.test$n || ret=1
+grep "hostmaster" dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that reloading errors prevent synchronization ($n)"
+ret=1
+$DIG $DIGOPTS +short @10.53.0.3 primary SOA > dig.out.ns3.test$n.1 || ret=1
+sleep 1
+nextpart ns3/named.run > /dev/null
+cp ns3/primary6.db.in ns3/primary.db
+rndc_reload ns3 10.53.0.3
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	if nextpart ns3/named.run | grep "not loaded due to errors" > /dev/null
+        then
+		ret=0
+		break
+	fi
+	sleep 1
+done
+# Sanity check: the SOA record should be unchanged
+$DIG $DIGOPTS +short @10.53.0.3 primary SOA | grep -v '^;' > dig.out.ns3.test$n.2
+diff dig.out.ns3.test$n.1  dig.out.ns3.test$n.2 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check inline-signing with an include file ($n)"
+ret=0
+$DIG $DIGOPTS +short @10.53.0.3 primary SOA > dig.out.ns3.test$n.1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+sleep 1
+nextpart ns3/named.run > /dev/null
+cp ns3/primary7.db.in ns3/primary.db
+rndc_reload ns3 10.53.0.3
+_includefile_loaded() {
+	$DIG $DIGOPTS @10.53.0.3 f.primary A > dig.out.ns3.test$n || return 1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || return 1
+	grep "ANSWER: 2," dig.out.ns3.test$n > /dev/null || return 1
+	grep "10\.0\.0\.7" dig.out.ns3.test$n > /dev/null || return 1
+	return 0
+}
+retry_quiet 10 _includefile_loaded
+# Sanity check: the SOA record should be changed
+$DIG $DIGOPTS +short @10.53.0.3 primary SOA | grep -v '^;' > dig.out.ns3.test$n.2
+diff dig.out.ns3.test$n.1  dig.out.ns3.test$n.2 > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "test add/del zone combinations ($n)"
+ret=0
+for zone in a b c d e f g h i j k l m n o p q r s t u v w x y z
+do
+$RNDCCMD 10.53.0.2 addzone test-$zone \
+	'{ type primary; file "bits.db.in"; allow-transfer { any; }; };' || ret=1
+$DIG $DIGOPTS @10.53.0.2 test-$zone SOA > dig.out.ns2.$zone.test$n || ret=1
+grep "status: NOERROR," dig.out.ns2.$zone.test$n  > /dev/null || { ret=1; cat dig.out.ns2.$zone.test$n; }
+$RNDCCMD 10.53.0.3 addzone test-$zone \
+	'{ type secondary; primaries { 10.53.0.2; }; file "'test-$zone.bk'"; inline-signing yes; auto-dnssec maintain; allow-transfer { any; }; };' || ret=1
+$RNDCCMD 10.53.0.3 delzone test-$zone > /dev/null 2>&1 || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing adding external keys to a inline zone ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 dnskey externalkey > dig.out.ns3.test$n || ret=1
+for alg in ${DEFAULT_ALGORITHM_NUMBER} ${ALTERNATIVE_ALGORITHM_NUMBER}
+do
+   [ $alg = 13 -a ! -f checkecdsa ] && continue;
+
+   case $alg in
+   7) echo_i "checking NSEC3RSASHA1";;
+   8) echo_i "checking RSASHA256";;
+   13) echo_i "checking ECDSAP256SHA256";;
+   *) echo_i "checking $alg";;
+   esac
+
+   dnskeys=$(grep "IN.DNSKEY.25[67] [0-9]* $alg " dig.out.ns3.test$n | wc -l)
+   rrsigs=$(grep "RRSIG.DNSKEY $alg " dig.out.ns3.test$n | wc -l)
+   test ${dnskeys:-0} -eq 3 || { echo_i "failed $alg (dnskeys ${dnskeys:-0})"; ret=1; }
+   test ${rrsigs:-0} -eq 2 || { echo_i "failed $alg (rrsigs ${rrsigs:-0})"; ret=1; }
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing imported key won't overwrite a private key ($n)"
+ret=0
+key=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} import.example)
+cp ${key}.key import.key
+# import should fail
+$IMPORTKEY -f import.key import.example > /dev/null 2>&1 && ret=1
+rm -f ${key}.private
+# private key removed; import should now succeed
+$IMPORTKEY -f import.key import.example > /dev/null 2>&1 || ret=1
+# now that it's an external key, re-import should succeed
+$IMPORTKEY -f import.key import.example > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing updating inline secure serial via 'rndc signing -serial' ($n)"
+ret=0
+$DIG $DIGOPTS nsec3. SOA @10.53.0.3 > dig.out.n3.pre.test$n || ret=1
+newserial=$($PERL -e 'while (<>) { chomp; my @field = split /\s+/; printf("%u\n", $field[6] + 10) if ($field[3] eq "SOA"); }' < dig.out.n3.pre.test$n)
+$RNDCCMD 10.53.0.3 signing -serial ${newserial:-0} nsec3 > /dev/null 2>&1 || ret=1
+retry_quiet 5 wait_for_serial 10.53.0.3 nsec3. "${newserial:-0}" dig.out.ns3.post.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing updating inline secure serial via 'rndc signing -serial' with negative change ($n)"
+ret=0
+$DIG $DIGOPTS nsec3. SOA @10.53.0.3 > dig.out.n3.pre.test$n || ret=1
+oldserial=$(awk '$4 == "SOA" { print $7 }' dig.out.n3.pre.test$n)
+newserial=$($PERL -e 'while (<>) { chomp; my @field = split /\s+/; printf("%u\n", $field[6] - 10) if ($field[3] eq "SOA"); }' < dig.out.n3.pre.test$n)
+$RNDCCMD 10.53.0.3 signing -serial ${newserial:-0} nsec3 > /dev/null 2>&1 || ret=1
+sleep 1
+$DIG $DIGOPTS nsec3. SOA @10.53.0.3 > dig.out.ns3.post.test$n || ret=1
+serial=$(awk '$4 == "SOA" { print $7 }' dig.out.ns3.post.test$n)
+[ ${oldserial:-0} -eq ${serial:-1} ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+# Freezing only operates on the raw zone.
+#
+n=$((n + 1))
+echo_i "testing updating inline secure serial via 'rndc signing -serial' when frozen ($n)"
+ret=0
+$DIG $DIGOPTS nsec3. SOA @10.53.0.3 > dig.out.n3.pre.test$n || ret=1
+oldserial=$(awk '$4 == "SOA" { print $7 }' dig.out.n3.pre.test$n)
+newserial=$($PERL -e 'while (<>) { chomp; my @field = split /\s+/; printf("%u\n", $field[6] + 10) if ($field[3] eq "SOA"); }' < dig.out.n3.pre.test$n)
+$RNDCCMD 10.53.0.3 freeze nsec3 > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.3 signing -serial ${newserial:-0} nsec3 > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.3 thaw nsec3 > /dev/null 2>&1 || ret=1
+retry_quiet 5 wait_for_serial 10.53.0.3 nsec3. "${newserial:-0}" dig.out.ns3.post1.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing updating dynamic serial via 'rndc signing -serial' ($n)"
+ret=0
+$DIG $DIGOPTS bits. SOA @10.53.0.2 > dig.out.ns2.pre.test$n || ret=1
+newserial=$($PERL -e 'while (<>) { chomp; my @field = split /\s+/; printf("%u\n", $field[6] + 10) if ($field[3] eq "SOA"); }' < dig.out.ns2.pre.test$n)
+$RNDCCMD 10.53.0.2 signing -serial ${newserial:-0} bits > /dev/null 2>&1 || ret=1
+retry_quiet 5 wait_for_serial 10.53.0.2 bits. "${newserial:-0}" dig.out.ns2.post.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing updating dynamic serial via 'rndc signing -serial' with negative change ($n)"
+ret=0
+$DIG $DIGOPTS bits. SOA @10.53.0.2 > dig.out.ns2.pre.test$n || ret=1
+oldserial=$(awk '$4 == "SOA" { print $7 }' dig.out.ns2.pre.test$n)
+newserial=$($PERL -e 'while (<>) { chomp; my @field = split /\s+/; printf("%u\n", $field[6] - 10) if ($field[3] eq "SOA"); }' < dig.out.ns2.pre.test$n)
+$RNDCCMD 10.53.0.2 signing -serial ${newserial:-0} bits > /dev/null 2>&1 || ret=1
+retry_quiet 5 wait_for_serial 10.53.0.2 bits. "${newserial:-1}" dig.out.ns2.post1.test$n && ret=1
+retry_quiet 5 wait_for_serial 10.53.0.2 bits. "${oldserial:-1}" dig.out.ns2.post2.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing updating dynamic serial via 'rndc signing -serial' when frozen ($n)"
+ret=0
+$DIG $DIGOPTS bits. SOA @10.53.0.2 > dig.out.ns2.pre.test$n || ret=1
+oldserial=$(awk '$4 == "SOA" { print $7 }' dig.out.ns2.pre.test$n)
+newserial=$($PERL -e 'while (<>) { chomp; my @field = split /\s+/; printf("%u\n", $field[6] + 10) if ($field[3] eq "SOA"); }' < dig.out.ns2.pre.test$n)
+$RNDCCMD 10.53.0.2 freeze bits > /dev/null 2>&1 || ret=1
+$RNDCCMD 10.53.0.2 signing -serial ${newserial:-0} bits > /dev/null 2>&1 && ret=1
+$RNDCCMD 10.53.0.2 thaw bits > /dev/null 2>&1 || ret=1
+retry_quiet 5 wait_for_serial 10.53.0.2 bits. "${newserial:-1}" dig.out.ns2.post1.test$n && ret=1
+retry_quiet 5 wait_for_serial 10.53.0.2 bits. "${oldserial:-1}" dig.out.ns2.post2.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing that inline signing works with inactive ZSK and active KSK ($n)"
+ret=0
+
+$DIG $DIGOPTS @10.53.0.3 soa inactivezsk  > dig.out.ns3.pre.test$n || ret=1
+soa1=$(awk '$4 == "SOA" { print $7 }' dig.out.ns3.pre.test$n)
+
+$NSUPDATE << EOF || ret=1
+server 10.53.0.2 ${PORT}
+update add added.inactivezsk 0 IN TXT added record
+send
+EOF
+
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+    $DIG $DIGOPTS @10.53.0.3 soa inactivezsk  > dig.out.ns3.post.test$n || ret=1
+    soa2=$(awk '$4 == "SOA" { print $7 }' dig.out.ns3.post.test$n)
+    test ${soa1:-0} -ne ${soa2:-0} && break
+    sleep 1
+done
+test ${soa1:-0} -ne ${soa2:-0} || ret=1
+
+$DIG $DIGOPTS @10.53.0.3 txt added.inactivezsk > dig.out.ns3.test$n || ret=1
+grep "ANSWER: 3," dig.out.ns3.test$n > /dev/null || ret=1
+grep "RRSIG" dig.out.ns3.test$n > /dev/null || ret=1
+grep "TXT ${DEFAULT_ALGORITHM_NUMBER} 2" dig.out.ns3.test$n > /dev/null || ret=1
+grep "TXT ${ALTERNATIVE_ALGORITHM_NUMBER} 2" dig.out.ns3.test$n > /dev/null || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "testing that inline signing works with inactive KSK and active ZSK ($n)"
+ret=0
+
+$DIG $DIGOPTS @10.53.0.3 axfr inactiveksk > dig.out.ns3.test$n || ret=1
+
+#
+#  check that DNSKEY is signed with ZSK for default algorithm
+#
+awk='$4 == "DNSKEY" && $5 == 256 && $7 == alg { print }'
+zskid=$(awk -v alg=${DEFAULT_ALGORITHM_NUMBER} "${awk}" dig.out.ns3.test$n |
+       $DSFROMKEY -A -2 -f - inactiveksk | awk '{ print $4}' )
+grep "DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 1 [0-9]* [0-9]* [0-9]* ${zskid} " dig.out.ns3.test$n > /dev/null || ret=1
+awk='$4 == "DNSKEY" && $5 == 257 && $7 == alg { print }'
+kskid=$(awk -v alg=${DEFAULT_ALGORITHM_NUMBER} "${awk}" dig.out.ns3.test$n |
+       $DSFROMKEY -2 -f - inactiveksk | awk '{ print $4}' )
+grep "DNSKEY ${DEFAULT_ALGORITHM_NUMBER} 1 [0-9]* [0-9]* [0-9]* ${kskid} " dig.out.ns3.test$n > /dev/null && ret=1
+
+#
+#  check that DNSKEY is signed with KSK for alternative algorithm
+#
+awk='$4 == "DNSKEY" && $5 == 256 && $7 == alg { print }'
+zskid=$(awk -v alg=${ALTERNATIVE_ALGORITHM_NUMBER} "${awk}" dig.out.ns3.test$n |
+       $DSFROMKEY -A -2 -f - inactiveksk | awk '{ print $4}' )
+grep "DNSKEY ${ALTERNATIVE_ALGORITHM_NUMBER} 1 [0-9]* [0-9]* [0-9]* ${zskid} " dig.out.ns3.test$n > /dev/null && ret=1
+awk='$4 == "DNSKEY" && $5 == 257 && $7 == alg { print }'
+kskid=$(awk  -v alg=${ALTERNATIVE_ALGORITHM_NUMBER} "${awk}" dig.out.ns3.test$n |
+       $DSFROMKEY -2 -f - inactiveksk | awk '{ print $4}' )
+grep "DNSKEY ${ALTERNATIVE_ALGORITHM_NUMBER} 1 [0-9]* [0-9]* [0-9]* ${kskid} " dig.out.ns3.test$n > /dev/null || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Wait until an update to the raw part of a given inline signed zone is fully
+# processed.  As waiting for a fixed amount of time is suboptimal and there is
+# no single message that would signify both a successful modification and an
+# error in a race-free manner, instead wait until either notifies are sent
+# (which means the secure zone was modified) or a receive_secure_serial() error
+# is logged (which means the zone was not modified and will not be modified any
+# further in response to the relevant raw zone update).
+wait_until_raw_zone_update_is_processed() {
+	zone="$1"
+	for i in 1 2 3 4 5 6 7 8 9 10
+	do
+		if nextpart ns3/named.run | grep -E "zone ${zone}.*(sending notifies|receive_secure_serial)" > /dev/null; then
+			return
+		fi
+		sleep 1
+	done
+}
+
+n=$((n + 1))
+echo_i "checking that changes to raw zone are applied to a previously unsigned secure zone ($n)"
+ret=0
+# Query for bar.nokeys/A and ensure the response is negative.  As this zone
+# does not have any signing keys set up, the response must be unsigned.
+$DIG $DIGOPTS @10.53.0.3 bar.nokeys. A > dig.out.ns3.pre.test$n 2>&1 || ret=1
+grep "status: NOERROR" dig.out.ns3.pre.test$n > /dev/null && ret=1
+grep "RRSIG" dig.out.ns3.pre.test$n > /dev/null && ret=1
+# Ensure the wait_until_raw_zone_update_is_processed() call below will ignore
+# log messages generated before the raw zone is updated.
+nextpart ns3/named.run > /dev/null
+# Add a record to the raw zone on the primary.
+$NSUPDATE << EOF || ret=1
+zone nokeys.
+server 10.53.0.2 ${PORT}
+update add bar.nokeys. 0 A 127.0.0.1
+send
+EOF
+wait_until_raw_zone_update_is_processed "nokeys"
+# Query for bar.nokeys/A again and ensure the signer now returns a positive,
+# yet still unsigned response.
+$DIG $DIGOPTS @10.53.0.3 bar.nokeys. A > dig.out.ns3.post.test$n 2>&1 || ret=1
+grep "status: NOERROR" dig.out.ns3.post.test$n > /dev/null || ret=1
+grep "RRSIG" dig.out.ns3.pre.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that changes to raw zone are not applied to a previously signed secure zone with no keys available (primary) ($n)"
+ret=0
+# Query for bar.removedkeys-primary/A and ensure the response is negative.  As
+# this zone has signing keys set up, the response must be signed.
+$DIG $DIGOPTS @10.53.0.3 bar.removedkeys-primary. A > dig.out.ns3.pre.test$n 2>&1 || ret=1
+grep "status: NOERROR" dig.out.ns3.pre.test$n > /dev/null && ret=1
+grep "RRSIG" dig.out.ns3.pre.test$n > /dev/null || ret=1
+# Remove the signing keys for this zone.
+mv -f ns3/Kremovedkeys-primary* ns3/removedkeys
+# Ensure the wait_until_raw_zone_update_is_processed() call below will ignore
+# log messages generated before the raw zone is updated.
+nextpart ns3/named.run > /dev/null
+# Add a record to the raw zone on the primary.
+$NSUPDATE << EOF || ret=1
+zone removedkeys-primary.
+server 10.53.0.3 ${PORT}
+update add bar.removedkeys-primary. 0 A 127.0.0.1
+send
+EOF
+wait_until_raw_zone_update_is_processed "removedkeys-primary"
+# Query for bar.removedkeys-primary/A again and ensure the signer still returns
+# a negative, signed response.
+$DIG $DIGOPTS @10.53.0.3 bar.removedkeys-primary. A > dig.out.ns3.post.test$n 2>&1 || ret=1
+grep "status: NOERROR" dig.out.ns3.post.test$n > /dev/null && ret=1
+grep "RRSIG" dig.out.ns3.pre.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that backlogged changes to raw zone are applied after keys become available (primary) ($n)"
+ret=0
+# Restore the signing keys for this zone.
+mv ns3/removedkeys/Kremovedkeys-primary* ns3
+$RNDCCMD 10.53.0.3 loadkeys removedkeys-primary > /dev/null 2>&1 || ret=1
+# Determine what a SOA record with a bumped serial number should look like.
+BUMPED_SOA=$(sed -n 's/.*\(add removedkeys-primary.*IN.*SOA\)/\1/p;' ns3/named.run | tail -1 | awk '{$8 += 1; print $0}')
+# Ensure the wait_until_raw_zone_update_is_processed() call below will ignore
+# log messages generated before the raw zone is updated.
+nextpart ns3/named.run > /dev/null
+# Bump the SOA serial number of the raw zone.
+$NSUPDATE << EOF || ret=1
+zone removedkeys-primary.
+server 10.53.0.3 ${PORT}
+update del removedkeys-primary. SOA
+update ${BUMPED_SOA}
+send
+EOF
+wait_until_raw_zone_update_is_processed "removedkeys-primary"
+# Query for bar.removedkeys-primary/A again and ensure the signer now returns a
+# positive, signed response.
+$DIG $DIGOPTS @10.53.0.3 bar.removedkeys-primary. A > dig.out.ns3.test$n 2>&1 || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "RRSIG" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that changes to raw zone are not applied to a previously signed secure zone with no keys available (secondary) ($n)"
+ret=0
+# Query for bar.removedkeys-secondary/A and ensure the response is negative.  As this
+# zone does have signing keys set up, the response must be signed.
+$DIG $DIGOPTS @10.53.0.3 bar.removedkeys-secondary. A > dig.out.ns3.pre.test$n 2>&1 || ret=1
+grep "status: NOERROR" dig.out.ns3.pre.test$n > /dev/null && ret=1
+grep "RRSIG" dig.out.ns3.pre.test$n > /dev/null || ret=1
+# Remove the signing keys for this zone.
+mv -f ns3/Kremovedkeys-secondary* ns3/removedkeys
+# Ensure the wait_until_raw_zone_update_is_processed() call below will ignore
+# log messages generated before the raw zone is updated.
+nextpart ns3/named.run > /dev/null
+# Add a record to the raw zone on the primary.
+$NSUPDATE << EOF || ret=1
+zone removedkeys-secondary.
+server 10.53.0.2 ${PORT}
+update add bar.removedkeys-secondary. 0 A 127.0.0.1
+send
+EOF
+wait_until_raw_zone_update_is_processed "removedkeys-secondary"
+# Query for bar.removedkeys-secondary/A again and ensure the signer still returns a
+# negative, signed response.
+$DIG $DIGOPTS @10.53.0.3 bar.removedkeys-secondary. A > dig.out.ns3.post.test$n 2>&1 || ret=1
+grep "status: NOERROR" dig.out.ns3.post.test$n > /dev/null && ret=1
+grep "RRSIG" dig.out.ns3.pre.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that backlogged changes to raw zone are applied after keys become available (secondary) ($n)"
+ret=0
+# Restore the signing keys for this zone.
+mv ns3/removedkeys/Kremovedkeys-secondary* ns3
+$RNDCCMD 10.53.0.3 loadkeys removedkeys-secondary > /dev/null 2>&1 || ret=1
+# Determine what a SOA record with a bumped serial number should look like.
+BUMPED_SOA=$(sed -n 's/.*\(add removedkeys-secondary.*IN.*SOA\)/\1/p;' ns2/named.run | tail -1 | awk '{$8 += 1; print $0}')
+# Ensure the wait_until_raw_zone_update_is_processed() call below will ignore
+# log messages generated before the raw zone is updated.
+nextpart ns3/named.run > /dev/null
+# Bump the SOA serial number of the raw zone on the primary.
+$NSUPDATE << EOF || ret=1
+zone removedkeys-secondary.
+server 10.53.0.2 ${PORT}
+update del removedkeys-secondary. SOA
+update ${BUMPED_SOA}
+send
+EOF
+wait_until_raw_zone_update_is_processed "removedkeys-secondary"
+# Query for bar.removedkeys-secondary/A again and ensure the signer now returns
+# a positive, signed response.
+$DIG $DIGOPTS @10.53.0.3 bar.removedkeys-secondary. A > dig.out.ns3.test$n 2>&1 || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "RRSIG" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check that the file $2 for zone $1 does not contain RRSIG records
+# while the journal file for that zone does contain them.
+ensure_sigs_only_in_journal() {
+	origin="$1"
+	masterfile="$2"
+	$CHECKZONE -i none -f raw -D -o - "$origin" "$masterfile" 2>&1 | grep -w RRSIG > /dev/null && ret=1
+	$CHECKZONE -j -i none -f raw -D -o - "$origin" "$masterfile" 2>&1 | grep -w RRSIG > /dev/null || ret=1
+}
+
+n=$((n + 1))
+echo_i "checking that records added from a journal are scheduled to be resigned ($n)"
+ret=0
+# Signing keys for the "delayedkeys" zone are not yet accessible.  Thus, the
+# zone file for the signed version of the zone will contain no DNSSEC records.
+# Move keys into place now and load them, which will cause DNSSEC records to
+# only be present in the journal for the signed version of the zone.
+mv Kdelayedkeys* ns3/
+$RNDCCMD 10.53.0.3 loadkeys delayedkeys > rndc.out.ns3.pre.test$n 2>&1 || ret=1
+# Wait until the zone is signed.
+check_done_signing () (
+    $RNDCCMD 10.53.0.3 signing -list delayedkeys > signing.out.test$n 2>&1 || true
+    num=$(grep "Done signing with" signing.out.test$n | wc -l)
+    [ $num -eq 2 ]
+)
+retry_quiet 10 check_done_signing || ret=1
+# Halt rather than stopping the server to prevent the file from being
+# flushed upon shutdown since we specifically want to avoid it.
+stop_server --use-rndc --halt --port ${CONTROLPORT} ns3 || ret=1
+ensure_sigs_only_in_journal delayedkeys ns3/delayedkeys.db.signed
+start_server --noclean --restart --port ${PORT} ns3 || ret=1
+# At this point, the raw zone journal will not have a source serial set.  Upon
+# server startup, receive_secure_serial() will rectify that, update SOA, resign
+# it, and schedule its future resign.  This will cause "rndc zonestatus" to
+# return delayedkeys/SOA as the next node to resign, so we restart the server
+# once again; with the raw zone journal now having a source serial set,
+# receive_secure_serial() should refrain from introducing any zone changes.
+stop_server --use-rndc --halt --port ${CONTROLPORT} ns3 || ret=1
+ensure_sigs_only_in_journal delayedkeys ns3/delayedkeys.db.signed
+nextpart ns3/named.run > /dev/null
+start_server --noclean --restart --port ${PORT} ns3 || ret=1
+# We can now test whether the secure zone journal was correctly processed:
+# unless the records contained in it were scheduled for resigning, no resigning
+# event will be scheduled at all since the secure zone file contains no
+# DNSSEC records.
+wait_for_log 20 "all zones loaded" ns3/named.run || ret=1
+$RNDCCMD 10.53.0.3 zonestatus delayedkeys > rndc.out.ns3.post.test$n 2>&1 || ret=1
+grep "next resign node:" rndc.out.ns3.post.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that zonestatus reports 'type: primary' for an inline primary zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 zonestatus primary > rndc.out.ns3.test$n || ret=1
+grep "type: primary" rndc.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that zonestatus reports 'type: secondary' for an inline secondary zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 zonestatus bits > rndc.out.ns3.test$n || ret=1
+grep "type: secondary" rndc.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking reload of touched inline zones ($n)"
+ret=0
+echo_ic "pre-reload 'next key event'"
+nextpart ns8/named.run > nextpart.pre$n.out
+count=$(grep "zone example[0-9][0-9].com/IN (signed): next key event:" nextpart.pre$n.out | wc -l)
+echo_ic "found: $count/16"
+[ $count -eq 16 ] || ret=1
+echo_ic "touch and reload"
+touch ns8/example??.com.db
+$RNDCCMD 10.53.0.8 reload 2>&1 | sed 's/^/ns3 /' | cat_i
+sleep 5
+echo_ic "post-reload 'next key event'"
+nextpart ns8/named.run > nextpart.post$n.out
+count=$(grep "zone example[0-9][0-9].com/IN (signed): next key event:" nextpart.post$n.out | wc -l)
+echo_ic "found: $count/16"
+[ $count -eq 16 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking second reload of touched inline zones ($n)"
+ret=0
+nextpart ns8/named.run > nextpart.pre$n.out
+$RNDCCMD 10.53.0.8 reload 2>&1 | sed 's/^/ns3 /' | cat_i
+sleep 5
+nextpart ns8/named.run > nextpart.post$n.out
+grep "ixfr-from-differences: unchanged" nextpart.post$n.out && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "Check that 'rndc reload' of just the serial updates the signed instance ($n)"
+ret=0
+dig_with_opts @10.53.0.8 example SOA > dig.out.ns8.test$n.soa1 || ret=1
+cp ns8/example2.db.in ns8/example.db || ret=1
+nextpart ns8/named.run > /dev/null
+rndccmd 10.53.0.8 reload || ret=1
+wait_for_log 3 "all zones loaded" ns8/named.run
+sleep 1
+dig_with_opts @10.53.0.8 example SOA > dig.out.ns8.test$n.soa2 || ret=1
+soa1=$(awk '$4 == "SOA" { print $7 }' dig.out.ns8.test$n.soa1)
+soa2=$(awk '$4 == "SOA" { print $7 }' dig.out.ns8.test$n.soa2)
+ttl1=$(awk '$4 == "SOA" { print $2 }' dig.out.ns8.test$n.soa1)
+ttl2=$(awk '$4 == "SOA" { print $2 }' dig.out.ns8.test$n.soa2)
+test ${soa1:-1000} -lt ${soa2:-0} || ret=1
+test ${ttl1:-0} -eq 300 || ret=1
+test ${ttl2:-0} -eq 300 || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check that restart with zone changes and deleted journal works ($n)"
+TSIG=
+ret=0
+dig_with_opts @10.53.0.8 example SOA > dig.out.ns8.test$n.soa1 || ret=1
+stop_server --use-rndc --port ${CONTROLPORT} ns8 || ret=1
+# TTL of all records change from 300 to 400
+cp ns8/example3.db.in ns8/example.db || ret=1
+rm -f ns8/example.db.jnl
+nextpart ns8/named.run > /dev/null
+start_server --noclean --restart --port ${PORT} ns8 || ret=1
+wait_for_log 3 "all zones loaded" ns8/named.run
+sleep 1
+dig_with_opts @10.53.0.8 example SOA > dig.out.ns8.test$n.soa2 || ret=1
+soa1=$(awk '$4 == "SOA" { print $7 }' dig.out.ns8.test$n.soa1)
+soa2=$(awk '$4 == "SOA" { print $7 }' dig.out.ns8.test$n.soa2)
+ttl1=$(awk '$4 == "SOA" { print $2 }' dig.out.ns8.test$n.soa1)
+ttl2=$(awk '$4 == "SOA" { print $2 }' dig.out.ns8.test$n.soa2)
+test ${soa1:-1000} -lt ${soa2:-0} || ret=1
+test ${ttl1:-0} -eq 300 || ret=1
+test ${ttl2:-0} -eq 400 || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/inline/tests_sh_inline.py b/bin/tests/system/inline/tests_sh_inline.py
new file mode 100644
index 0000000..f7520b8
--- /dev/null
+++ b/bin/tests/system/inline/tests_sh_inline.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_inline(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/inline/tests_signed_zone_files.py b/bin/tests/system/inline/tests_signed_zone_files.py
new file mode 100755
index 0000000..596b756
--- /dev/null
+++ b/bin/tests/system/inline/tests_signed_zone_files.py
@@ -0,0 +1,67 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import glob
+import struct
+
+
+class RawFormatHeader(dict):
+    """
+    A dictionary of raw-format header fields read from a zone file.
+    """
+
+    fields = [
+        "format",
+        "version",
+        "dumptime",
+        "flags",
+        "sourceserial",
+        "lastxfrin",
+    ]
+
+    def __init__(self, file_name):
+        header = struct.Struct(">IIIIII")
+        with open(file_name, "rb") as data:
+            header_data = data.read(header.size)
+        super().__init__(zip(self.fields, header.unpack_from(header_data)))
+
+
+def test_unsigned_serial_number():
+    """
+    Check whether all signed zone files in the "ns8" subdirectory contain the
+    serial number of the unsigned version of the zone in the raw-format header.
+    The test assumes that all "*.signed" files in the "ns8" subdirectory are in
+    raw format.
+
+    Notes:
+
+      - The actual zone signing and dumping happens while the tests.sh phase of
+        the "inline" system test is set up and run.  This check only verifies
+        the outcome of those events; it does not initiate any signing or
+        dumping itself.
+
+      - example[0-9][0-9].com.db.signed files are initially signed by
+        dnssec-signzone while the others - by named.
+    """
+
+    zones_with_unsigned_serial_missing = []
+
+    for signed_zone in sorted(glob.glob("ns8/*.signed")):
+        raw_header = RawFormatHeader(signed_zone)
+        # Ensure the unsigned serial number is placed where it is expected.
+        assert raw_header["format"] == 2
+        assert raw_header["version"] == 1
+        # Check whether the header flags indicate that the unsigned serial
+        # number is set and that the latter is indeed set.
+        if raw_header["flags"] & 0x02 == 0 or raw_header["sourceserial"] == 0:
+            zones_with_unsigned_serial_missing.append(signed_zone)
+
+    assert not zones_with_unsigned_serial_missing
diff --git a/bin/tests/system/integrity/clean.sh b/bin/tests/system/integrity/clean.sh
new file mode 100644
index 0000000..941fccf
--- /dev/null
+++ b/bin/tests/system/integrity/clean.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out.test*
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/integrity/ns1/mx-cname.db b/bin/tests/system/integrity/ns1/mx-cname.db
new file mode 100644
index 0000000..a700269
--- /dev/null
+++ b/bin/tests/system/integrity/ns1/mx-cname.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	3600
+@	SOA	ns1 hostmaster 0 0 0 0 0
+@	NS	ns1
+@	MX	0 cname
+ns1	A	10.53.0.1
+cname	CNAME	ns1
diff --git a/bin/tests/system/integrity/ns1/named.conf.in b/bin/tests/system/integrity/ns1/named.conf.in
new file mode 100644
index 0000000..00d9dba
--- /dev/null
+++ b/bin/tests/system/integrity/ns1/named.conf.in
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	ixfr-from-differences yes;
+	check-integrity no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "mx-cname-fail" {
+	type primary;
+	check-integrity yes;
+	check-mx-cname fail;
+	file "mx-cname.db";
+};
+
+zone "mx-cname-warn" {
+	type primary;
+	check-integrity yes;
+	check-mx-cname warn;
+	file "mx-cname.db";
+};
+
+zone "mx-cname-ignore" {
+	type primary;
+	check-integrity yes;
+	check-mx-cname ignore;
+	file "mx-cname.db";
+};
+
+zone "no-mx-cname-fail" {
+	type primary;
+	check-integrity no;
+	check-mx-cname fail;
+	file "mx-cname.db";
+};
+
+zone "no-mx-cname-warn" {
+	type primary;
+	check-integrity no;
+	check-mx-cname warn;
+	file "mx-cname.db";
+};
+
+zone "no-mx-cname-ignore" {
+	type primary;
+	check-integrity no;
+	check-mx-cname ignore;
+	file "mx-cname.db";
+};
+
+zone "srv-cname-fail" {
+	type primary;
+	check-integrity yes;
+	check-srv-cname fail;
+	file "srv-cname.db";
+};
+
+zone "srv-cname-warn" {
+	type primary;
+	check-integrity yes;
+	check-srv-cname warn;
+	file "srv-cname.db";
+};
+
+zone "srv-cname-ignore" {
+	type primary;
+	check-integrity yes;
+	check-srv-cname ignore;
+	file "srv-cname.db";
+};
+zone "no-srv-cname-fail" {
+	type primary;
+	check-integrity no;
+	check-srv-cname fail;
+	file "srv-cname.db";
+};
+
+zone "no-srv-cname-warn" {
+	type primary;
+	check-integrity no;
+	check-srv-cname warn;
+	file "srv-cname.db";
+};
+
+zone "no-srv-cname-ignore" {
+	type primary;
+	check-integrity no;
+	check-srv-cname ignore;
+	file "srv-cname.db";
+};
diff --git a/bin/tests/system/integrity/ns1/srv-cname.db b/bin/tests/system/integrity/ns1/srv-cname.db
new file mode 100644
index 0000000..d6ae603
--- /dev/null
+++ b/bin/tests/system/integrity/ns1/srv-cname.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	3600
+@	SOA	ns1 hostmaster 0 0 0 0 0
+@	NS	ns1
+@	SRV	0 0 0 cname
+ns1	A	10.53.0.1
+cname	CNAME	ns1
diff --git a/bin/tests/system/integrity/setup.sh b/bin/tests/system/integrity/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/integrity/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/integrity/tests.sh b/bin/tests/system/integrity/tests.sh
new file mode 100644
index 0000000..65648b4
--- /dev/null
+++ b/bin/tests/system/integrity/tests.sh
@@ -0,0 +1,132 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+
+status=0
+n=1
+
+echo_i "check that 'check-integrity yes; check-mx-cname fail;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 mx mx-cname-fail > dig.out.test$n || ret=1
+grep "status: SERVFAIL," dig.out.test$n > /dev/null || ret=1
+grep "zone mx-cname-fail/IN: mx-cname-fail/MX 'cname.mx-cname-fail' is a CNAME (illegal)" ns1/named.run > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'check-integrity yes; check-mx-cname warn;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 mx mx-cname-warn > dig.out.test$n || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+grep "zone mx-cname-warn/IN: mx-cname-warn/MX 'cname.mx-cname-warn' is a CNAME (illegal)" ns1/named.run > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'check-integrity yes; check-mx-cname ignore;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 mx mx-cname-ignore > dig.out.test$n || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+grep "zone mx-cname-ignore/IN: mx-cname-ignore/MX 'cname.mx-cname-ignore' is a CNAME (illegal)" ns1/named.run > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'check-integrity no; check-mx-cname fail;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 mx no-mx-cname-fail > dig.out.test$n || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+grep "zone no-mx-cname-fail/IN: no-mx-cname-fail/MX 'cname.no-mx-cname-fail' is a CNAME (illegal)" ns1/named.run > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'check-integrity no; check-mx-cname warn;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 mx no-mx-cname-warn > dig.out.test$n || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+grep "zone no-mx-cname-warn/IN: no-mx-cname-warn/MX 'cname.no-mx-cname-warn' is a CNAME (illegal)" ns1/named.run > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'check-integrity no; check-mx-cname ignore;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 mx no-mx-cname-ignore > dig.out.test$n || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+grep "zone no-mx-cname-ignore/IN: no-mx-cname-ignore/MX 'cname.no-mx-cname-ignore' is a CNAME (illegal)" ns1/named.run > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'check-integrity yes; check-srv-cname fail;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 srv srv-cname-fail > dig.out.test$n || ret=1
+grep "status: SERVFAIL," dig.out.test$n > /dev/null || ret=1
+grep "zone srv-cname-fail/IN: srv-cname-fail/SRV 'cname.srv-cname-fail' is a CNAME (illegal)" ns1/named.run > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'check-integrity yes; check-srv-cname warn;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 srv srv-cname-warn > dig.out.test$n || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+grep "zone srv-cname-warn/IN: srv-cname-warn/SRV 'cname.srv-cname-warn' is a CNAME (illegal)" ns1/named.run > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'check-integrity yes; check-srv-cname ignore;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 srv srv-cname-ignore > dig.out.test$n || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+grep "zone srv-cname-ignore/IN: srv-cname-ignore/SRV 'cname.srv-cname-ignore' is a CNAME (illegal)" ns1/named.run > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'check-integrity no; check-srv-cname fail;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 srv no-srv-cname-fail > dig.out.test$n || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+grep "zone no-srv-cname-fail/IN: no-srv-cname-fail/SRV 'cname.no-srv-cname-fail' is a CNAME (illegal)" ns1/named.run > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'check-integrity no; check-srv-cname warn;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 srv no-srv-cname-warn > dig.out.test$n || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+grep "zone no-srv-cname-warn/IN: no-srv-cname-warn/SRV 'cname.no-srv-cname-warn' is a CNAME (illegal)" ns1/named.run > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check that 'check-integrity no; check-srv-cname ignore;' works ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 srv no-srv-cname-ignore > dig.out.test$n || ret=1
+grep "status: NOERROR," dig.out.test$n > /dev/null || ret=1
+grep "zone no-srv-cname-ignore/IN: no-srv-cname-ignore/SRV 'cname.no-srv-cname-ignore' is a CNAME (illegal)" ns1/named.run > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+test $status -eq 0 || exit 1
diff --git a/bin/tests/system/integrity/tests_sh_integrity.py b/bin/tests/system/integrity/tests_sh_integrity.py
new file mode 100644
index 0000000..7316af3
--- /dev/null
+++ b/bin/tests/system/integrity/tests_sh_integrity.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_integrity(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/ixfr/ans2/startme b/bin/tests/system/ixfr/ans2/startme
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/bin/tests/system/ixfr/ans2/startme
diff --git a/bin/tests/system/ixfr/clean.sh b/bin/tests/system/ixfr/clean.sh
new file mode 100644
index 0000000..eb78363
--- /dev/null
+++ b/bin/tests/system/ixfr/clean.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f stats.*
+rm -f ns1/*.db ns1/*.jnl
+rm -f ns3/*.jnl ns3/mytest*.db ns3/subtest*.db
+rm -f ns4/*.jnl ns4/*.db
+rm -f ns5/*.jnl ns5/*.db
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run */named.run.prev
+rm -f */ans.run
+rm -f dig.out.test* dig.out1.test* dig.out2.test* dig.out3.test*
+rm -f ns3/large.db
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind* ns*/*.mkeys
diff --git a/bin/tests/system/ixfr/ixfr-stats.good b/bin/tests/system/ixfr/ixfr-stats.good
new file mode 100644
index 0000000..3d0d2dd
--- /dev/null
+++ b/bin/tests/system/ixfr/ixfr-stats.good
@@ -0,0 +1,3 @@
+messages=1
+records=5
+bytes=204
diff --git a/bin/tests/system/ixfr/ns1/named.conf.in b/bin/tests/system/ixfr/ns1/named.conf.in
new file mode 100644
index 0000000..48fc1cd
--- /dev/null
+++ b/bin/tests/system/ixfr/ns1/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
diff --git a/bin/tests/system/ixfr/ns3/named.conf.in b/bin/tests/system/ixfr/ns3/named.conf.in
new file mode 100644
index 0000000..40af324
--- /dev/null
+++ b/bin/tests/system/ixfr/ns3/named.conf.in
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	allow-transfer { any; };
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view "primary" {
+	ixfr-from-differences yes;
+	request-ixfr yes;
+	zone "test" IN {
+		type primary;
+		file "mytest.db";
+		max-ixfr-ratio 75%;
+	};
+	zone "sub.test" IN {
+		type primary;
+		file "subtest.db";
+	};
+	zone "large" IN {
+		type primary;
+		file "large.db";
+	};
+};
diff --git a/bin/tests/system/ixfr/ns4/named.conf.in b/bin/tests/system/ixfr/ns4/named.conf.in
new file mode 100644
index 0000000..ae6657e
--- /dev/null
+++ b/bin/tests/system/ixfr/ns4/named.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view "primary" {
+	ixfr-from-differences yes;
+	request-ixfr yes;
+	zone "test" IN {
+		type secondary;
+		file "mytest.db";
+		primaries { 10.53.0.3; };
+		max-ixfr-ratio unlimited;
+	};
+	zone "sub.test" IN {
+		type secondary;
+		file "subtest.db";
+		request-ixfr no;
+		primaries { 10.53.0.3; };
+	};
+};
diff --git a/bin/tests/system/ixfr/ns5/named.conf.in b/bin/tests/system/ixfr/ns5/named.conf.in
new file mode 100644
index 0000000..e1056fc
--- /dev/null
+++ b/bin/tests/system/ixfr/ns5/named.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	provide-ixfr no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view "primary" {
+	ixfr-from-differences yes;
+	request-ixfr yes;
+	zone "test" IN {
+		type secondary;
+		file "mytest.db";
+		primaries { 10.53.0.3; };
+	};
+	zone "sub.test" IN {
+		type secondary;
+		file "subtest.db";
+		request-ixfr no;
+		primaries { 10.53.0.3; };
+	};
+};
diff --git a/bin/tests/system/ixfr/setup.sh b/bin/tests/system/ixfr/setup.sh
new file mode 100644
index 0000000..65aedf6
--- /dev/null
+++ b/bin/tests/system/ixfr/setup.sh
@@ -0,0 +1,68 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+
+# Set up db files for zone "test" - this is a series of four
+# versions of the zone, the second and third having small changes
+# and the fourth having a large one.
+
+testdb () {
+    cat << EOF
+\$ORIGIN $1
+\$TTL    15
+@  15  IN        SOA ns1.test. hostmaster.test. (
+                              $2 ; serial
+                              3H ; refresh
+                              15 ; retry
+                              1w ; expire
+                              3h ; minimum
+                             )
+       IN  NS     ns1.test.
+       IN  NS     ns2.test.
+       IN  NS     ns5.test.
+ns1    IN  A      10.53.0.3
+ns2    IN  A      10.53.0.4
+ns5    IN  A      10.53.0.5
+EOF
+
+    i=0
+    while [ $i -lt $3 ]; do
+        echo "host$i IN A 192.0.2.$i"
+        i=$((i+1))
+    done
+}
+
+testdb test. 1 60 > ns3/mytest.db
+testdb test. 2 61 > ns3/mytest1.db
+testdb test. 3 62 > ns3/mytest2.db
+testdb test. 4 0  > ns3/mytest3.db
+
+# Set up similar db files for sub.test, which will have IXFR disabled
+testdb sub.test. 1 60 > ns3/subtest.db
+testdb sub.test. 3 61 > ns3/subtest1.db
+
+# Set up a large zone
+i=0
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 3 > ns3/large.db
+while [ $i -lt 10000 ]; do
+    echo "record$i 10 IN TXT this is record %i" >> ns3/large.db
+    i=$((i+1))
+done
diff --git a/bin/tests/system/ixfr/tests.sh b/bin/tests/system/ixfr/tests.sh
new file mode 100644
index 0000000..f1e3b62
--- /dev/null
+++ b/bin/tests/system/ixfr/tests.sh
@@ -0,0 +1,443 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# WARNING: The test labelled "testing request-ixfr option in view vs zone"
+#          is fragile because it depends upon counting instances of records
+#          in the log file - need a better approach <sdm> - until then,
+#          if you add any tests above that point, you will break the test.
+
+set -e
+
+. ../conf.sh
+
+wait_for_serial() (
+    $DIG $DIGOPTS "@$1" "$2" SOA > "$4"
+    serial=$(awk '$4 == "SOA" { print $7 }' "$4")
+    [ "$3" -eq "${serial:--1}" ]
+)
+
+status=0
+n=0
+
+DIGOPTS="+tcp +noadd +nosea +nostat +noquest +nocomm +nocmd -p ${PORT}"
+RNDCCMD="$RNDC -p ${CONTROLPORT} -c ../common/rndc.conf -s"
+
+sendcmd() {
+    send 10.53.0.2 "${EXTRAPORT1}"
+}
+
+
+n=$((n+1))
+echo_i "testing initial AXFR ($n)"
+ret=0
+
+sendcmd <<EOF
+/SOA/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+/AXFR/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+/AXFR/
+nil.      	300	NS	ns.nil.
+nil.		300	TXT	"initial AXFR"
+a.nil.		60	A	10.0.0.61
+b.nil.		60	A	10.0.0.62
+/AXFR/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+EOF
+
+sleep 1
+
+# Initially, ns1 is not authoritative for anything (see setup.sh).
+# Now that ans is up and running with the right data, we make it
+# a secondary for nil.
+
+cat <<EOF >>ns1/named.conf
+zone "nil" {
+	type secondary;
+	file "myftp.db";
+	primaries { 10.53.0.2; };
+};
+EOF
+
+rndc_reload ns1 10.53.0.1
+
+retry_quiet 10 wait_for_serial 10.53.0.1 nil. 1 dig.out.test$n || ret=1
+
+$DIG $DIGOPTS @10.53.0.1 nil. TXT | grep 'initial AXFR' >/dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing successful IXFR ($n)"
+ret=0
+
+# We change the IP address of a.nil., and the TXT record at the apex.
+# Then we do a SOA-only update.
+
+sendcmd <<EOF
+/SOA/
+nil.      	300	SOA	ns.nil. root.nil. 3 300 300 604800 300
+/IXFR/
+nil.      	300	SOA	ns.nil. root.nil. 3 300 300 604800 300
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+a.nil.      	60	A	10.0.0.61
+nil.		300	TXT	"initial AXFR"
+nil.      	300	SOA	ns.nil. root.nil. 2 300 300 604800 300
+nil.		300	TXT	"successful IXFR"
+a.nil.      	60	A	10.0.1.61
+nil.      	300	SOA	ns.nil. root.nil. 2 300 300 604800 300
+nil.      	300	SOA	ns.nil. root.nil. 3 300 300 604800 300
+nil.      	300	SOA	ns.nil. root.nil. 3 300 300 604800 300
+EOF
+
+sleep 1
+
+$RNDCCMD 10.53.0.1 refresh nil | sed 's/^/ns1 /' | cat_i
+
+sleep 2
+
+$DIG $DIGOPTS @10.53.0.1 nil. TXT | grep 'successful IXFR' >/dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing AXFR fallback after IXFR failure (not exact error) ($n)"
+ret=0
+
+# Provide a broken IXFR response and a working fallback AXFR response
+
+sendcmd <<EOF
+/SOA/
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+/IXFR/
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+nil.      	300	SOA	ns.nil. root.nil. 3 300 300 604800 300
+nil.      	300	TXT	"delete-nonexistent-txt-record"
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+nil.      	300	TXT	"this-txt-record-would-be-added"
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+/AXFR/
+nil.      	300	SOA	ns.nil. root.nil. 3 300 300 604800 300
+/AXFR/
+nil.      	300	NS	ns.nil.
+nil.      	300	TXT	"fallback AXFR"
+/AXFR/
+nil.      	300	SOA	ns.nil. root.nil. 3 300 300 604800 300
+EOF
+
+sleep 1
+
+$RNDCCMD 10.53.0.1 refresh nil | sed 's/^/ns1 /' | cat_i
+
+sleep 2
+
+$DIG $DIGOPTS @10.53.0.1 nil. TXT | grep 'fallback AXFR' >/dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing AXFR fallback after IXFR failure (bad SOA owner) ($n)"
+ret=0
+
+# Prepare for checking the logs later on.
+nextpart ns1/named.run >/dev/null
+
+# Provide a broken IXFR response and a working fallback AXFR response.
+sendcmd <<EOF
+/SOA/
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+/IXFR/
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+nil.      	300	SOA	ns.nil. root.nil. 3 300 300 604800 300
+bad-owner.    	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+test.nil.	300	TXT	"serial 4, malformed IXFR"
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+/AXFR/
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+/AXFR/
+nil.      	300	NS	ns.nil.
+test.nil.      	300	TXT	"serial 4, fallback AXFR"
+/AXFR/
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+EOF
+$RNDCCMD 10.53.0.1 refresh nil | sed 's/^/ns1 /' | cat_i
+
+# A broken server would accept the malformed IXFR and apply its contents to the
+# zone.  A fixed one would reject the IXFR and fall back to AXFR.  Both IXFR and
+# AXFR above bring the nil. zone up to serial 4, but we cannot reliably query
+# for the SOA record to check whether the transfer was finished because a broken
+# server would send back SERVFAIL responses to SOA queries after accepting the
+# malformed IXFR.  Instead, check transfer progress by querying for a TXT record
+# at test.nil. which is present in both IXFR and AXFR (with different contents).
+_wait_until_transfer_is_finished() {
+	$DIG $DIGOPTS +tries=1 +time=1 @10.53.0.1 test.nil. TXT > dig.out.test$n.1 &&
+	grep -q -F "serial 4" dig.out.test$n.1
+}
+if ! retry_quiet 10 _wait_until_transfer_is_finished; then
+	echo_i "timed out waiting for version 4 of zone nil. to be transferred"
+	ret=1
+fi
+
+# At this point a broken server would be serving a zone with no SOA records.
+# Try crashing it by triggering a SOA refresh query.
+$RNDCCMD 10.53.0.1 refresh nil | sed 's/^/ns1 /' | cat_i
+
+# Do not wait until the zone refresh completes - even if a crash has not
+# happened by now, a broken server would never serve the record which is only
+# present in the fallback AXFR, so checking for that is enough to verify if a
+# server is broken or not; if it is, it is bound to crash shortly anyway.
+$DIG $DIGOPTS test.nil. TXT @10.53.0.1 > dig.out.test$n.2 || ret=1
+grep -q -F "serial 4, fallback AXFR" dig.out.test$n.2 || ret=1
+
+# Ensure the expected error is logged.
+nextpart ns1/named.run | grep -q -F "SOA name mismatch" || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing ixfr-from-differences option ($n)"
+# ns3 is primary; ns4 is secondary
+{ $CHECKZONE test. ns3/mytest.db > /dev/null 2>&1; rc=$?; } || true
+if [ $rc -ne 0 ]
+then
+    echo_i "named-checkzone returned failure on ns3/mytest.db"
+fi
+
+retry_quiet 10 wait_for_serial 10.53.0.4 test. 1 dig.out.test$n || ret=1
+
+nextpart ns4/named.run > /dev/null
+
+# modify the primary
+sleep 1
+cp ns3/mytest1.db ns3/mytest.db
+$RNDCCMD 10.53.0.3 reload | sed 's/^/ns3 /' | cat_i
+
+# wait for primary to reload
+retry_quiet 10 wait_for_serial 10.53.0.3 test. 2 dig.out.test$n || ret=1
+
+# wait for secondary to reload
+tret=0
+retry_quiet 5 wait_for_serial 10.53.0.4 test. 2 dig.out.test$n || tret=1
+if [ $tret -eq 1 ]; then
+    # re-noitfy after 5 seconds, then wait another 10
+    $RNDCCMD 10.53.0.3 notify test | set 's/^/ns3 /' | cat_i
+    retry_quiet 10 wait_for_serial 10.53.0.4 test. 2 dig.out.test$n || ret=1
+fi
+
+wait_for_log 10 'got incremental' ns4/named.run || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing 'request-ixfr no' option inheritance from view ($n)"
+ret=0
+# There's a view with 2 zones. In the view, "request-ixfr yes"
+# but in the zone "sub.test", request-ixfr no"
+# we want to make sure that a change to sub.test results in AXFR, while
+# changes to test. result in IXFR
+
+sleep 1
+cp ns3/subtest1.db ns3/subtest.db # change to sub.test zone, should be AXFR
+nextpart ns4/named.run > /dev/null
+$RNDCCMD 10.53.0.3 reload | sed 's/^/ns3 /' | cat_i
+
+# wait for primary to reload
+retry_quiet 10 wait_for_serial 10.53.0.3 sub.test. 3 dig.out.test$n || ret=1
+
+# wait for secondary to reload
+tret=0
+retry_quiet 5 wait_for_serial 10.53.0.4 sub.test. 3 dig.out.test$n || tret=1
+if [ $tret -eq 1 ]; then
+    # re-noitfy after 5 seconds, then wait another 10
+    $RNDCCMD 10.53.0.3 notify sub.test | set 's/^/ns3 /' | cat_i
+    retry_quiet 10 wait_for_serial 10.53.0.4 sub.test. 3 dig.out.test$n || ret=1
+fi
+
+wait_for_log 10 'got nonincremental response' ns4/named.run || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing 'request-ixfr yes' option inheritance from view ($n)"
+ret=0
+sleep 1
+cp ns3/mytest2.db ns3/mytest.db # change to test zone, should be IXFR
+nextpart ns4/named.run > /dev/null
+$RNDCCMD 10.53.0.3 reload | sed 's/^/ns3 /' | cat_i
+
+# wait for primary to reload
+retry_quiet 10 wait_for_serial 10.53.0.3 test. 3 dig.out.test$n || ret=1
+
+# wait for secondary to reload
+tret=0
+retry_quiet 5 wait_for_serial 10.53.0.4 test. 3 dig.out.test$n || tret=1
+if [ $tret -eq 1 ]; then
+    # re-noitfy after 5 seconds, then wait another 10
+    $RNDCCMD 10.53.0.3 notify test | set 's/^/ns3 /' | cat_i
+    retry_quiet 10 wait_for_serial 10.53.0.4 test. 3 dig.out.test$n || ret=1
+fi
+
+wait_for_log 10 'got incremental response' ns4/named.run || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "testing DiG's handling of a multi message AXFR style IXFR response ($n)"
+(
+(sleep 10 && kill $$) 2>/dev/null &
+sub=$!
+$DIG -p ${PORT} ixfr=0 large @10.53.0.3 > dig.out.test$n
+kill $sub
+)
+lines=$(grep hostmaster.large dig.out.test$n | wc -l)
+test ${lines:-0} -eq 2 || ret=1
+messages=$(sed -n 's/^;;.*messages \([0-9]*\),.*/\1/p' dig.out.test$n)
+test ${messages:-0} -gt 1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "test 'dig +notcp ixfr=<value>' vs 'dig ixfr=<value> +notcp' vs 'dig ixfr=<value>' ($n)"
+ret=0
+# Should be "switch to TCP" response
+$DIG $DIGOPTS +notcp ixfr=1 test @10.53.0.4 > dig.out1.test$n || ret=1
+$DIG $DIGOPTS ixfr=1 +notcp test @10.53.0.4 > dig.out2.test$n || ret=1
+digcomp dig.out1.test$n dig.out2.test$n || ret=1
+awk '$4 == "SOA" { soacnt++} END {if (soacnt == 1) exit(0); else exit(1);}' dig.out1.test$n || ret=1
+awk '$4 == "SOA" { if ($7 == 3) exit(0); else exit(1);}' dig.out1.test$n || ret=1
+#
+nextpart ns4/named.run > /dev/null
+# Should be incremental transfer.
+$DIG $DIGOPTS ixfr=1 test @10.53.0.4 > dig.out3.test$n || ret=1
+awk '$4 == "SOA" { soacnt++} END { if (soacnt == 6) exit(0); else exit(1);}' dig.out3.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check estimated IXFR size ($n)"
+ret=0
+# note IXFR delta size will be slightly bigger with version 1 transaction
+# headers as there is no correction for the overall record length storage.
+# Ver1 = 4 * (6 + 10 + 10 + 17 + 5 * 4) + 2 * (13 + 10 + 4) + (6 * 4) = 330
+# Ver2 = 4 * (6 + 10 + 10 + 17 + 5 * 4) + 2 * (13 + 10 + 4) = 306
+nextpart ns4/named.run | grep "IXFR delta size (306 bytes)" > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# make sure ns5 has transfered the zone
+# wait for secondary to reload
+tret=0
+retry_quiet 5 wait_for_serial 10.53.0.5 test. 4 dig.out.test$n || tret=1
+if [ $tret -eq 1 ]; then
+    # re-noitfy after 5 seconds, then wait another 10
+    $RNDCCMD 10.53.0.3 notify test | set 's/^/ns3 /' | cat_i
+    retry_quiet 10 wait_for_serial 10.53.0.5 test. 3 dig.out.test$n || ret=1
+fi
+
+n=$((n+1))
+echo_i "test 'provide-ixfr no;' (serial < current) ($n)"
+ret=0
+nextpart ns5/named.run > /dev/null
+# Should be "AXFR style" response
+$DIG $DIGOPTS ixfr=1 test @10.53.0.5 > dig.out1.test$n || ret=1
+# Should be "switch to TCP" response
+$DIG $DIGOPTS ixfr=1 +notcp test @10.53.0.5 > dig.out2.test$n || ret=1
+awk '$4 == "SOA" { soacnt++} END {if (soacnt == 2) exit(0); else exit(1);}' dig.out1.test$n || ret=1
+awk '$4 == "SOA" { soacnt++} END {if (soacnt == 1) exit(0); else exit(1);}' dig.out2.test$n || ret=1
+msg="IXFR delta response disabled due to 'provide-ixfr no;' being set"
+nextpart ns5/named.run | grep "$msg" > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "test 'provide-ixfr no;' (serial = current) ($n)"
+ret=0
+# Should be "AXFR style" response
+$DIG $DIGOPTS ixfr=3 test @10.53.0.5 > dig.out1.test$n || ret=1
+# Should be "switch to TCP" response
+$DIG $DIGOPTS ixfr=3 +notcp test @10.53.0.5 > dig.out2.test$n || ret=1
+awk '$4 == "SOA" { soacnt++} END {if (soacnt == 1) exit(0); else exit(1);}' dig.out1.test$n || ret=1
+awk '$4 == "SOA" { soacnt++} END {if (soacnt == 1) exit(0); else exit(1);}' dig.out2.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "test 'provide-ixfr no;' (serial > current) ($n)"
+ret=0
+# Should be "AXFR style" response
+$DIG $DIGOPTS ixfr=4 test @10.53.0.5 > dig.out1.test$n || ret=1
+# Should be "switch to TCP" response
+$DIG $DIGOPTS ixfr=4 +notcp test @10.53.0.5 > dig.out2.test$n || ret=1
+awk '$4 == "SOA" { soacnt++} END {if (soacnt == 1) exit(0); else exit(1);}' dig.out1.test$n || ret=1
+awk '$4 == "SOA" { soacnt++} END {if (soacnt == 1) exit(0); else exit(1);}' dig.out2.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking whether dig calculates IXFR statistics correctly ($n)"
+ret=0
+$DIG $DIGOPTS +noedns +stat -b 10.53.0.4 @10.53.0.4 test. ixfr=2 > dig.out1.test$n
+get_dig_xfer_stats dig.out1.test$n > stats.dig
+diff ixfr-stats.good stats.dig > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Note: in the next two tests, we use ns4 logs for checking both incoming and
+# outgoing transfer statistics as ns4 is both a secondary server (for ns3) and a
+# primary server (for dig queries from the previous test) for "test".
+
+_wait_for_stats () {
+    get_named_xfer_stats ns4/named.run "$1" test "$2" > "$3"
+    diff ixfr-stats.good "$3" > /dev/null || return 1
+    return 0
+}
+
+n=$((n+1))
+echo_i "checking whether named calculates incoming IXFR statistics correctly ($n)"
+ret=0
+retry_quiet 10 _wait_for_stats 10.53.0.3 "Transfer completed" stats.incoming || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking whether named calculates outgoing IXFR statistics correctly ($n)"
+retry_quiet 10 _wait_for_stats 10.53.0.4 "IXFR ended" stats.outgoing || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "testing fallback to AXFR when max-ixfr-ratio is exceeded ($n)"
+nextpart ns4/named.run > /dev/null
+
+sleep 1
+cp ns3/mytest3.db ns3/mytest.db # change to test zone, too big for IXFR
+$RNDCCMD 10.53.0.3 reload | sed 's/^/ns3 /' | cat_i
+
+# wait for secondary to reload
+tret=0
+retry_quiet 5 wait_for_serial 10.53.0.4 test. 4 dig.out.test$n || tret=1
+if [ $tret -eq 1 ]; then
+    # re-noitfy after 5 seconds, then wait another 10
+    $RNDCCMD 10.53.0.3 notify test | set 's/^/ns3 /' | cat_i
+    retry_quiet 10 wait_for_serial 10.53.0.4 test. 4 dig.out.test$n || ret=1
+fi
+
+wait_for_log 10 'got nonincremental response' ns4/named.run || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/ixfr/tests_sh_ixfr.py b/bin/tests/system/ixfr/tests_sh_ixfr.py
new file mode 100644
index 0000000..2c7fc28
--- /dev/null
+++ b/bin/tests/system/ixfr/tests_sh_ixfr.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_ixfr(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/journal/clean.sh b/bin/tests/system/journal/clean.sh
new file mode 100644
index 0000000..adab870
--- /dev/null
+++ b/bin/tests/system/journal/clean.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */*.db */*.jnl
+rm -f */named.conf
+rm -f */named.memstats
+rm -f */named.run
+rm -f dig.out*
+rm -f journalprint.out.*
+rm -f ns1/managed-keys.bind
+rm -f ns2/managed-keys.bind
+rm -f tmp.jnl
diff --git a/bin/tests/system/journal/ns1/changed.ver1.jnl.saved b/bin/tests/system/journal/ns1/changed.ver1.jnl.saved
new file mode 100644
index 0000000..b449a7d
--- /dev/null
+++ b/bin/tests/system/journal/ns1/changed.ver1.jnl.saved
diff --git a/bin/tests/system/journal/ns1/changed.ver2.jnl.saved b/bin/tests/system/journal/ns1/changed.ver2.jnl.saved
new file mode 100644
index 0000000..d2fa199
--- /dev/null
+++ b/bin/tests/system/journal/ns1/changed.ver2.jnl.saved
diff --git a/bin/tests/system/journal/ns1/d1212.jnl.saved b/bin/tests/system/journal/ns1/d1212.jnl.saved
new file mode 100644
index 0000000..57c1497
--- /dev/null
+++ b/bin/tests/system/journal/ns1/d1212.jnl.saved
diff --git a/bin/tests/system/journal/ns1/d2121.jnl.saved b/bin/tests/system/journal/ns1/d2121.jnl.saved
new file mode 100644
index 0000000..ec21372
--- /dev/null
+++ b/bin/tests/system/journal/ns1/d2121.jnl.saved
diff --git a/bin/tests/system/journal/ns1/generic.db.in b/bin/tests/system/journal/ns1/generic.db.in
new file mode 100644
index 0000000..55669d7
--- /dev/null
+++ b/bin/tests/system/journal/ns1/generic.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA     ns hostmaster 2012010901 3600 1200 604800 1200
+                NS      ns
+ns		A       192.0.2.1
+
+addr1	A      10.53.0.1
diff --git a/bin/tests/system/journal/ns1/ixfr.db.in b/bin/tests/system/journal/ns1/ixfr.db.in
new file mode 100644
index 0000000..0cb1184
--- /dev/null
+++ b/bin/tests/system/journal/ns1/ixfr.db.in
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@		SOA     ns hostmaster 2012010902 3600 1200 604800 1200
+                NS      ns
+ns		A       192.0.2.1
+
+addr1	A      10.53.0.1
+addr2	A      10.53.0.2
diff --git a/bin/tests/system/journal/ns1/ixfr.ver1.jnl.saved b/bin/tests/system/journal/ns1/ixfr.ver1.jnl.saved
new file mode 100644
index 0000000..10b5116
--- /dev/null
+++ b/bin/tests/system/journal/ns1/ixfr.ver1.jnl.saved
diff --git a/bin/tests/system/journal/ns1/managed-keys.bind.in b/bin/tests/system/journal/ns1/managed-keys.bind.in
new file mode 100644
index 0000000..923e98b
--- /dev/null
+++ b/bin/tests/system/journal/ns1/managed-keys.bind.in
@@ -0,0 +1,2 @@
+.			0	IN	SOA	. . 3297 0 0 0 0
+.			0	IN	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
diff --git a/bin/tests/system/journal/ns1/managed-keys.bind.jnl.in b/bin/tests/system/journal/ns1/managed-keys.bind.jnl.in
new file mode 100644
index 0000000..a63f91c
--- /dev/null
+++ b/bin/tests/system/journal/ns1/managed-keys.bind.jnl.in
@@ -0,0 +1,704 @@
+3b42494e44204c4f472056390a000000
+00000cd20000020000000ce200002bf8
+00000038000000000000000000000000
+00000000000000000000000000000000
+00000cd20000020000000cd30000049c
+00000cd40000073800000cd5000009d8
+00000cd600000c7800000cd700000f18
+00000cd8000011b800000cd900001458
+00000cda000016f800000cdb00001998
+00000cdc00001c3800000cdd00001ed8
+00000cde0000217800000cdf00002418
+00000ce0000026b800000ce100002958
+00000000000000000000000000000000
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+0000029000000cd200000cd300000021
+0000060001000000000016000000000c
+d2000000000000000000000000000000
+000000011f00fffd0001000000000114
+6058a4c2598e0a830000000001010308
+03010001acffb409bcc939f831f7a1e5
+ec88f7a59255ec53040be432027390a4
+ce896d6f9086f3c5e177fbfe118163aa
+ec7af1462c47945944c4e2c026be5e98
+bbcded25978272e1e3e079c5094d573f
+0e83c92f02b32d3513b1550b826929c8
+0dd0f92cac966d17769fd5867b647c3f
+38029abdc48152eb8f207159ecc5d232
+c7c1537c79f4b7ac28ff11682f21681b
+f6d6aba555032bf6f9f036beb2aaa5b3
+778d6eebfba6bf9ea191be4ab0caea75
+9e2f773a1f9029c73ecb8d5735b9321d
+b085f1b8e2d8038fe2941992548cee0d
+67dd4547e11dd63af9c9fc1c5466fb68
+4cf009d7197c2cf79e792ab501e6a8a1
+ca519af2cb9b5f6367e94c0d47502451
+357be1b5000000210000060001000000
+000016000000000cd300000000000000
+0000000000000000000000011f00fffd
+00010000000001146058e4a0598e0a83
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diff --git a/bin/tests/system/journal/ns1/maxjournal.jnl.saved b/bin/tests/system/journal/ns1/maxjournal.jnl.saved
new file mode 100644
index 0000000..7c79e5c
--- /dev/null
+++ b/bin/tests/system/journal/ns1/maxjournal.jnl.saved
diff --git a/bin/tests/system/journal/ns1/maxjournal2.jnl.saved b/bin/tests/system/journal/ns1/maxjournal2.jnl.saved
new file mode 100644
index 0000000..e200905
--- /dev/null
+++ b/bin/tests/system/journal/ns1/maxjournal2.jnl.saved
diff --git a/bin/tests/system/journal/ns1/named.conf.in b/bin/tests/system/journal/ns1/named.conf.in
new file mode 100644
index 0000000..55753f6
--- /dev/null
+++ b/bin/tests/system/journal/ns1/named.conf.in
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation yes;
+	minimal-responses no;
+	recursion no;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone changed {
+	type primary;
+	update-policy local;
+	file "changed.db";
+};
+
+zone unchanged {
+	type primary;
+	update-policy local;
+	file "unchanged.db";
+};
+
+zone changed2 {
+	type primary;
+	update-policy local;
+	file "changed2.db";
+};
+
+zone unchanged2 {
+	type primary;
+	update-policy local;
+	file "unchanged2.db";
+};
+
+zone hdr1d1d2d1d2 {
+	type primary;
+	update-policy local;
+	file "d1212.db";
+};
+
+zone hdr1d2d1d2d1 {
+	type primary;
+	update-policy local;
+	file "d2121.db";
+};
+
+zone ixfr {
+	type primary;
+	ixfr-from-differences yes;
+	file "ixfr.db";
+};
+
+zone maxjournal {
+	type primary;
+	max-journal-size 1k;
+	update-policy local;
+	file "maxjournal.db";
+};
+
+zone maxjournal2 {
+	type primary;
+	max-journal-size 1k;
+	update-policy local;
+	file "maxjournal2.db";
+};
diff --git a/bin/tests/system/journal/ns1/unchanged.ver1.jnl.saved b/bin/tests/system/journal/ns1/unchanged.ver1.jnl.saved
new file mode 100644
index 0000000..f7885d9
--- /dev/null
+++ b/bin/tests/system/journal/ns1/unchanged.ver1.jnl.saved
diff --git a/bin/tests/system/journal/ns1/unchanged.ver2.jnl.saved b/bin/tests/system/journal/ns1/unchanged.ver2.jnl.saved
new file mode 100644
index 0000000..d974be4
--- /dev/null
+++ b/bin/tests/system/journal/ns1/unchanged.ver2.jnl.saved
diff --git a/bin/tests/system/journal/ns2/managed-keys.bind.in b/bin/tests/system/journal/ns2/managed-keys.bind.in
new file mode 100644
index 0000000..2139706
--- /dev/null
+++ b/bin/tests/system/journal/ns2/managed-keys.bind.in
@@ -0,0 +1,14 @@
+$ORIGIN .
+$TTL 0	; 0 seconds
+@			IN SOA	. . (
+				29         ; serial
+				0          ; refresh (0 seconds)
+				0          ; retry (0 seconds)
+				0          ; expire (0 seconds)
+				0          ; minimum (0 seconds)
+				)
+			KEYDATA	20210611104535 19700101000000 19700101000000 0 0 0 (
+
+				) ; ZSK; alg = 0; key id = 0
+				; next refresh: Fri, 11 Jun 2021 10:45:35 GMT
+				; no trust
diff --git a/bin/tests/system/journal/ns2/managed-keys.bind.jnl.in b/bin/tests/system/journal/ns2/managed-keys.bind.jnl.in
new file mode 100644
index 0000000..01c1d47
--- /dev/null
+++ b/bin/tests/system/journal/ns2/managed-keys.bind.jnl.in
diff --git a/bin/tests/system/journal/ns2/named.conf.in b/bin/tests/system/journal/ns2/named.conf.in
new file mode 100644
index 0000000..a24774a
--- /dev/null
+++ b/bin/tests/system/journal/ns2/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	dnssec-validation yes;
+	minimal-responses no;
+	recursion no;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
diff --git a/bin/tests/system/journal/setup.sh b/bin/tests/system/journal/setup.sh
new file mode 100644
index 0000000..e9b0072
--- /dev/null
+++ b/bin/tests/system/journal/setup.sh
@@ -0,0 +1,51 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+cp ns1/generic.db.in ns1/changed.db
+cp ns1/changed.ver1.jnl.saved ns1/changed.db.jnl
+
+cp ns1/generic.db.in ns1/unchanged.db
+cp ns1/unchanged.ver1.jnl.saved ns1/unchanged.db.jnl
+
+cp ns1/generic.db.in ns1/changed2.db
+cp ns1/changed.ver2.jnl.saved ns1/changed2.db.jnl
+
+cp ns1/generic.db.in ns1/unchanged2.db
+cp ns1/unchanged.ver2.jnl.saved ns1/unchanged2.db.jnl
+
+cp ns1/ixfr.db.in ns1/ixfr.db
+cp ns1/ixfr.ver1.jnl.saved ns1/ixfr.db.jnl
+
+cp ns1/generic.db.in ns1/d1212.db
+cp ns1/d1212.jnl.saved ns1/d1212.db.jnl
+
+cp ns1/generic.db.in ns1/d2121.db
+cp ns1/d2121.jnl.saved ns1/d2121.db.jnl
+
+cp ns1/generic.db.in ns1/maxjournal.db
+cp ns1/maxjournal.jnl.saved ns1/maxjournal.db.jnl
+
+cp ns1/generic.db.in ns1/maxjournal2.db
+cp ns1/maxjournal2.jnl.saved ns1/maxjournal2.db.jnl
+
+cp ns1/managed-keys.bind.in ns1/managed-keys.bind
+$PERL ../fromhex.pl < ns1/managed-keys.bind.jnl.in > ns1/managed-keys.bind.jnl
+
+copy_setports ns2/named.conf.in ns2/named.conf
+cp ns2/managed-keys.bind.in ns2/managed-keys.bind
+cp ns2/managed-keys.bind.jnl.in ns2/managed-keys.bind.jnl
diff --git a/bin/tests/system/journal/tests.sh b/bin/tests/system/journal/tests.sh
new file mode 100644
index 0000000..5dbceb8
--- /dev/null
+++ b/bin/tests/system/journal/tests.sh
@@ -0,0 +1,257 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+dig_with_opts() {
+    "$DIG" @10.53.0.1 -p "$PORT" +tcp "$@"
+}
+
+rndc_with_opts() {
+    "$RNDC" -c ../common/rndc.conf -p "$CONTROLPORT" -s "$@"
+}
+
+status=0
+n=0
+
+n=$((n + 1))
+echo_i "check outdated journal rolled forward (dynamic) ($n)"
+ret=0
+dig_with_opts changed soa > dig.out.test$n
+grep 'status: NOERROR' dig.out.test$n > /dev/null || ret=1
+grep '2012010902' dig.out.test$n > /dev/null || ret=1
+grep 'zone changed/IN: journal rollforward completed successfully using old journal format' ns1/named.run > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check outdated empty journal did not cause an error (dynamic) ($n)"
+ret=0
+dig_with_opts unchanged soa > dig.out.test$n
+grep 'status: NOERROR' dig.out.test$n > /dev/null || ret=1
+grep '2012010901' dig.out.test$n > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check outdated journals were updated or removed (dynamic) ($n)"
+ret=0
+cat -v ns1/changed.db.jnl | grep "BIND LOG V9.2" > /dev/null || ret=1
+[ -f ns1/unchanged.db.jnl ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check updated journal has correct RR count (dynamic) ($n)"
+ret=0
+$JOURNALPRINT -x ns1/changed.db.jnl | grep "rrcount 3 " > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check new-format journal rolled forward (dynamic) ($n)"
+ret=0
+dig_with_opts changed2 soa > dig.out.test$n
+grep 'status: NOERROR' dig.out.test$n > /dev/null || ret=1
+grep '2012010902' dig.out.test$n > /dev/null || ret=1
+grep 'zone changed2/IN: journal rollforward completed successfully: success' ns1/named.run > /dev/null || ret=1
+grep 'zone changed2/IN: journal rollforward completed successfully using old journal format' ns1/named.run > /dev/null && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check new-format empty journal did not cause error (dynamic) ($n)"
+ret=0
+dig_with_opts unchanged2 soa > dig.out.test$n
+grep 'status: NOERROR' dig.out.test$n > /dev/null || ret=1
+grep '2012010901' dig.out.test$n > /dev/null || ret=1
+grep 'zone unchanged2/IN: journal rollforward completed successfully' ns1/named.run > /dev/null && ret=1
+grep 'zone unchanged2/IN: journal rollforward completed successfully using old journal format' ns1/named.run > /dev/null && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check new-format journals were updated or removed (dynamic) ($n)"
+ret=0
+cat -v ns1/changed2.db.jnl | grep "BIND LOG V9.2" > /dev/null || ret=1
+[ -f ns1/unchanged2.db.jnl ] && ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check outdated up-to-date journal succeeded (ixfr-from-differences) ($n)"
+ret=0
+dig_with_opts -t soa ixfr > dig.out.test$n
+grep 'status: NOERROR' dig.out.test$n > /dev/null || ret=1
+grep '2012010902' dig.out.test$n > /dev/null || ret=1
+grep 'zone ixfr/IN: journal rollforward completed successfully using old journal format: up to date' ns1/named.run > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check outdated journal was updated (ixfr-from-differences) ($n)"
+ret=0
+cat -v ns1/ixfr.db.jnl | grep "BIND LOG V9.2" > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check journal with mixed headers succeeded (version 1,2,1,2) ($n)"
+ret=0
+dig_with_opts -t soa hdr1d1d2d1d2 > dig.out.test$n
+grep 'status: NOERROR' dig.out.test$n > /dev/null || ret=1
+grep '2012010905' dig.out.test$n > /dev/null || ret=1
+grep 'zone hdr1d1d2d1d2/IN: journal rollforward completed successfully using old journal format: success' ns1/named.run > /dev/null || ret=1
+grep 'zone_journal_compact: zone hdr1d1d2d1d2/IN: repair full journal' ns1/named.run > /dev/null || ret=1
+grep 'hdr1d1d2d1d2/IN: dns_journal_compact: success' ns1/named.run > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check journal with mixed headers was updated (version 1,2,1,2) ($n)"
+ret=0
+[ $($JOURNALPRINT -x ns1/d1212.jnl.saved | grep -c "version 1") -eq 2 ] || ret=1
+[ $($JOURNALPRINT -x ns1/d1212.jnl.saved | grep -c "version 2") -eq 2 ] || ret=1
+[ $($JOURNALPRINT -x ns1/d1212.db.jnl | grep -c "version 1") -eq 0 ] || ret=1
+[ $($JOURNALPRINT -x ns1/d1212.db.jnl | grep -c "version 2") -eq 4 ] || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check journal with mixed headers succeeded (version 2,1,2,1) ($n)"
+ret=0
+dig_with_opts -t soa hdr1d2d1d2d1 > dig.out.test$n
+grep 'status: NOERROR' dig.out.test$n > /dev/null || ret=1
+grep '2012010905' dig.out.test$n > /dev/null || ret=1
+grep 'zone hdr1d2d1d2d1/IN: journal rollforward completed successfully using old journal format: success' ns1/named.run > /dev/null || ret=1
+grep 'zone_journal_compact: zone hdr1d2d1d2d1/IN: repair full journal' ns1/named.run > /dev/null || ret=1
+grep 'zone hdr1d2d1d2d1/IN: dns_journal_compact: success' ns1/named.run > /dev/null || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check journal with mixed headers was updated (version 2,1,2,1) ($n)"
+ret=0
+[ $($JOURNALPRINT -x ns1/d2121.jnl.saved | grep -c "version 1") -eq 2 ] || ret=1
+[ $($JOURNALPRINT -x ns1/d2121.jnl.saved | grep -c "version 2") -eq 2 ] || ret=1
+[ $($JOURNALPRINT -x ns1/d2121.db.jnl | grep -c "version 1") -eq 0 ] || ret=1
+[ $($JOURNALPRINT -x ns1/d2121.db.jnl | grep -c "version 2") -eq 4 ] || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check there are no journals left un-updated ($n)"
+ret=0
+c1=$(cat -v ns1/*.jnl | grep -c "BIND LOG V9")
+c2=$(cat -v ns1/*.jnl | grep -c "BIND LOG V9.2")
+[ ${c1} -eq ${c2} ] || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "Check that journal with mixed headers can be compacted (version 1,2,1,2) ($n)"
+ret=0
+journal=ns1/d1212.jnl.saved
+seriallist=$($JOURNALPRINT -x $journal | awk '$1 == "Transaction:" { print $11 }')
+for serial in $seriallist
+do
+        cp $journal tmp.jnl
+        $JOURNALPRINT -c $serial tmp.jnl || ret=1
+done
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "Check that journal with mixed headers can be compacted (version 2,1,2,1) ($n)"
+ret=0
+journal=ns1/d2121.jnl.saved
+seriallist=$($JOURNALPRINT -x $journal | awk '$1 == "Transaction:" { print $11 }')
+for serial in $seriallist
+do
+        cp ns1/d1212.jnl.saved tmp.jnl
+        $JOURNALPRINT -c $serial tmp.jnl || ret=1
+done
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check upgrade of managed-keys.bind.jnl succeeded($n)"
+ret=0
+$JOURNALPRINT ns1/managed-keys.bind.jnl > journalprint.out.test$n
+lines=$(awk '$1 == "add" && $5 == "SOA" && $8 == "3297" { print }' journalprint.out.test$n | wc -l)
+test $lines -eq 1 || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check journal downgrade/upgrade ($n)"
+ret=0
+cp ns1/changed.db.jnl ns1/temp.jnl
+$JOURNALPRINT -d ns1/temp.jnl
+[ $($JOURNALPRINT -x ns1/temp.jnl | grep -c "version 1") -eq 1 ] || ret=1
+$JOURNALPRINT -x ns1/temp.jnl | grep -q "Header version = 1" || ret=1
+$JOURNALPRINT -u ns1/temp.jnl
+$JOURNALPRINT -x ns1/temp.jnl | grep -q "Header version = 2" || ret=1
+[ $($JOURNALPRINT -x ns1/temp.jnl | grep -c "version 2") -eq 1 ] || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check max-journal-size works after journal update ($n)"
+ret=0
+# journal was repaired, it should still be big
+[ $(wc -c < ns1/maxjournal.db.jnl) -gt 12000 ] || ret=1
+# the zone hasn't been dumped yet, so 'rndc sync' should work without
+# needing a zone update first.
+rndc_with_opts 10.53.0.1 sync maxjournal
+check_size() (
+    [ $(wc -c < ns1/maxjournal.db.jnl) -lt 4000 ]
+)
+retry_quiet 10 check_size || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check max-journal-size works with non-updated journals ($n)"
+ret=0
+# journal was not repaired, so it should still be big
+[ $(wc -c < ns1/maxjournal2.db.jnl) -gt 12000 ] || ret=1
+# the zone hasn't been dumped yet, so 'rndc sync' should work without
+# needing a zone update first.
+rndc_with_opts 10.53.0.1 sync maxjournal2
+check_size() (
+    [ $(wc -c < ns1/maxjournal2.db.jnl) -lt 4000 ]
+)
+retry_quiet 10 check_size || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check journal index consistency ($n)"
+ret=0
+for jnl in ns1/*.jnl; do
+    $JOURNALPRINT -x $jnl 2>&1 | grep -q "Offset mismatch" && ret=1
+done
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check that journal is applied to zone with keydata placeholder record"
+ret=0
+grep 'managed-keys-zone: journal rollforward completed successfully: up to date' ns2/named.run > /dev/null 2>&1 || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/journal/tests_sh_journal.py b/bin/tests/system/journal/tests_sh_journal.py
new file mode 100644
index 0000000..e492e12
--- /dev/null
+++ b/bin/tests/system/journal/tests_sh_journal.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_journal(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/kasp.sh b/bin/tests/system/kasp.sh
new file mode 100644
index 0000000..4c44ac9
--- /dev/null
+++ b/bin/tests/system/kasp.sh
@@ -0,0 +1,1244 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Common configuration data for kasp system tests, to be sourced into
+# other shell scripts.
+#
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+###############################################################################
+# Constants                                                                   #
+###############################################################################
+DEFAULT_TTL=300
+
+###############################################################################
+# Query properties                                                            #
+###############################################################################
+TSIG=""
+SHA1="FrSt77yPTFx6hTs4i2tKLB9LmE0="
+SHA224="hXfwwwiag2QGqblopofai9NuW28q/1rH4CaTnA=="
+SHA256="R16NojROxtxH/xbDl//ehDsHm5DjWTQ2YXV+hGC2iBY="
+VIEW1="YPfMoAk6h+3iN8MDRQC004iSNHY="
+VIEW2="4xILSZQnuO1UKubXHkYUsvBRPu8="
+VIEW3="C1Azf+gGPMmxrUg/WQINP6eV9Y0="
+
+###############################################################################
+# Key properties                                                              #
+###############################################################################
+# ID
+# BASEFILE
+# EXPECT
+# ROLE
+# KSK
+# ZSK
+# FLAGS
+# LIFETIME
+# ALG_NUM
+# ALG_STR
+# ALG_LEN
+# CREATED
+# PUBLISHED
+# ACTIVE
+# RETIRED
+# REVOKED
+# REMOVED
+# GOAL
+# STATE_DNSKEY
+# STATE_ZRRSIG
+# STATE_KRRSIG
+# STATE_DS
+# EXPECT_ZRRSIG
+# EXPECT_KRRSIG
+# LEGACY
+# PRIVATE
+# PRIVKEY_STAT
+# PUBKEY_STAT
+# STATE_STAT
+
+key_key() {
+	echo "${1}__${2}"
+}
+
+key_get() {
+	eval "echo \${$(key_key "$1" "$2")}"
+}
+
+key_set() {
+	eval "$(key_key "$1" "$2")='$3'"
+}
+
+key_stat() {
+	$PERL -e 'print((stat @ARGV[0])[9] . "\n");' "$1"
+}
+
+# Save certain values in the KEY array.
+key_save()
+{
+	# Save key id.
+	key_set "$1" ID "$KEY_ID"
+	# Save base filename.
+	key_set "$1" BASEFILE "$BASE_FILE"
+	# Save creation date.
+	key_set "$1" CREATED "${KEY_CREATED}"
+	# Save key change time.
+	key_set "$1" PRIVKEY_STAT $(key_stat "${BASE_FILE}.private")
+	key_set "$1" PUBKEY_STAT $(key_stat "${BASE_FILE}.key")
+	key_set "$1" STATE_STAT $(key_stat "${BASE_FILE}.state")
+}
+
+# Clear key state.
+#
+# This will update either the KEY1, KEY2, or KEY3 array.
+key_clear() {
+	key_set "$1" "ID" 'no'
+	key_set "$1" "IDPAD" 'no'
+	key_set "$1" "EXPECT" 'no'
+	key_set "$1" "ROLE" 'none'
+	key_set "$1" "KSK" 'no'
+	key_set "$1" "ZSK" 'no'
+	key_set "$1" "FLAGS" '0'
+	key_set "$1" "LIFETIME" 'none'
+	key_set "$1" "ALG_NUM" '0'
+	key_set "$1" "ALG_STR" 'none'
+	key_set "$1" "ALG_LEN" '0'
+	key_set "$1" "CREATED" '0'
+	key_set "$1" "PUBLISHED" 'none'
+	key_set "$1" "SYNCPUBLISH" 'none'
+	key_set "$1" "ACTIVE" 'none'
+	key_set "$1" "RETIRED" 'none'
+	key_set "$1" "REVOKED" 'none'
+	key_set "$1" "REMOVED" 'none'
+	key_set "$1" "GOAL" 'none'
+	key_set "$1" "STATE_DNSKEY" 'none'
+	key_set "$1" "STATE_KRRSIG" 'none'
+	key_set "$1" "STATE_ZRRSIG" 'none'
+	key_set "$1" "STATE_DS" 'none'
+	key_set "$1" "EXPECT_ZRRSIG" 'no'
+	key_set "$1" "EXPECT_KRRSIG" 'no'
+	key_set "$1" "LEGACY" 'no'
+	key_set "$1" "PRIVATE" 'yes'
+	key_set "$1" "PRIVKEY_STAT" '0'
+	key_set "$1" "PUBKEY_STAT" '0'
+	key_set "$1" "STATE_STAT" '0'
+}
+
+# Start clear.
+# There can be at most 4 keys at the same time during a rollover:
+# 2x KSK, 2x ZSK
+key_clear "KEY1"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+###############################################################################
+# Utilities                                                                   #
+###############################################################################
+
+# Call dig with default options.
+_dig_with_opts() {
+
+	if [ -n "$TSIG" ]; then
+		"$DIG" +tcp +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" -y "$TSIG" "$@"
+	else
+		"$DIG" +tcp +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" "$@"
+	fi
+}
+
+# RNDC.
+_rndccmd() {
+	"$RNDC" -c ../common/rndc.conf -p "$CONTROLPORT" -s "$@"
+}
+
+# Print IDs of keys used for generating RRSIG records for RRsets of type $1
+# found in dig output file $2.
+get_keys_which_signed() {
+	_qtype=$1
+	_output=$2
+	# The key ID is the 11th column of the RRSIG record line.
+	awk -v qt="$_qtype" '$4 == "RRSIG" && $5 == qt {print $11}' < "$_output"
+}
+
+# Get the key ids from key files for zone $2 in directory $1.
+get_keyids() {
+	_dir=$1
+	_zone=$2
+	_regex="K${_zone}.+*+*.key"
+
+	find "${_dir}" -mindepth 1 -maxdepth 1 -name "${_regex}" | sed "s,$_dir/K${_zone}.+\([0-9]\{3\}\)+\([0-9]\{5\}\).key,\2,"
+}
+
+# By default log errors and don't quit immediately.
+_log=1
+_log_error() {
+	test $_log -eq 1 && echo_i "error: $1"
+	ret=$((ret+1))
+}
+disable_logerror() {
+	_log=0
+}
+enable_logerror() {
+	_log=1
+}
+
+# Set server key-directory ($1) and address ($2) for testing keys.
+set_server() {
+	DIR=$1
+	SERVER=$2
+}
+# Set zone name for testing keys.
+set_zone() {
+	ZONE=$1
+	DYNAMIC="no"
+}
+# By default zones are considered static.
+# When testing dynamic zones, call 'set_dynamic' after 'set_zone'.
+set_dynamic() {
+	DYNAMIC="yes"
+}
+
+# Set policy settings (name $1, number of keys $2, dnskey ttl $3) for testing keys.
+set_policy() {
+	POLICY=$1
+	NUM_KEYS=$2
+	DNSKEY_TTL=$3
+	CDS_DELETE="no"
+}
+# By default policies are considered to be secure.
+# If a zone sets its policy to "insecure", call 'set_cdsdelete' to tell the
+# system test to expect a CDS and CDNSKEY Delete record.
+set_cdsdelete() {
+	CDS_DELETE="yes"
+}
+
+# Set key properties for testing keys.
+# $1: Key to update (KEY1, KEY2, ...)
+# $2: Value
+set_keyrole() {
+	key_set "$1" "EXPECT" "yes"
+	key_set "$1" "ROLE" "$2"
+	key_set "$1" "KSK" "no"
+	key_set "$1" "ZSK" "no"
+	key_set "$1" "FLAGS" "0"
+
+	test "$2" = "ksk" && key_set "$1" "KSK" "yes"
+	test "$2" = "ksk" && key_set "$1" "FLAGS" "257"
+
+	test "$2" = "zsk" && key_set "$1" "ZSK" "yes"
+	test "$2" = "zsk" && key_set "$1" "FLAGS" "256"
+
+	test "$2" = "csk" && key_set "$1" "KSK" "yes"
+	test "$2" = "csk" && key_set "$1" "ZSK" "yes"
+	test "$2" = "csk" && key_set "$1" "FLAGS" "257"
+
+	return 0
+}
+set_keylifetime() {
+	key_set "$1" "EXPECT" "yes"
+	key_set "$1" "LIFETIME" "$2"
+}
+# The algorithm value consists of three parts:
+# $2: Algorithm (number)
+# $3: Algorithm (string-format)
+# $4: Algorithm length
+set_keyalgorithm() {
+	key_set "$1" "EXPECT" "yes"
+	key_set "$1" "ALG_NUM" "$2"
+	key_set "$1" "ALG_STR" "$3"
+	key_set "$1" "ALG_LEN" "$4"
+}
+set_keysigning() {
+	key_set "$1" "EXPECT" "yes"
+	key_set "$1" "EXPECT_KRRSIG" "$2"
+}
+set_zonesigning() {
+	key_set "$1" "EXPECT" "yes"
+	key_set "$1" "EXPECT_ZRRSIG" "$2"
+}
+
+# Set key timing metadata. Set to "none" to unset.
+# $1: Key to update (KEY1, KEY2, ...)
+# $2: Time to update (PUBLISHED, SYNCPUBLISH, ACTIVE, RETIRED, REVOKED, or REMOVED).
+# $3: Value
+set_keytime() {
+	key_set "$1" "EXPECT" "yes"
+	key_set "$1" "$2" "$3"
+}
+
+# Set key timing metadata to a value plus additional time.
+# $1: Key to update (KEY1, KEY2, ...)
+# $2: Time to update (PUBLISHED, SYNCPUBLISH, ACTIVE, RETIRED, REVOKED, or REMOVED).
+# $3: Value
+# $4: Additional time.
+set_addkeytime() {
+	if [ -x "$PYTHON" ]; then
+		# Convert "%Y%m%d%H%M%S" format to epoch seconds.
+		# Then, add the additional time (can be negative).
+		_value=$3
+		_plus=$4
+		$PYTHON > python.out.$ZONE.$1.$2 <<EOF
+from datetime import datetime
+from datetime import timedelta
+_now = datetime.strptime("$_value", "%Y%m%d%H%M%S")
+_delta = timedelta(seconds=$_plus)
+_then = _now + _delta
+print(_then.strftime("%Y%m%d%H%M%S"));
+EOF
+		# Set the expected timing metadata.
+		key_set "$1" "$2" $(cat python.out.$ZONE.$1.$2)
+	fi
+}
+
+# Set key state metadata. Set to "none" to unset.
+# $1: Key to update (KEY1, KEY2, ...)
+# $2: Key state to update (GOAL, STATE_DNSKEY, STATE_ZRRSIG, STATE_KRRSIG, or STATE_DS)
+# $3: Value
+set_keystate() {
+	key_set "$1" "EXPECT" "yes"
+	key_set "$1" "$2" "$3"
+}
+
+# Check the key $1 with id $2.
+# This requires environment variables to be set.
+#
+# This will set the following environment variables for testing:
+# BASE_FILE="${_dir}/K${_zone}.+${_alg_numpad}+${_key_idpad}"
+# KEY_FILE="${BASE_FILE}.key"
+# PRIVATE_FILE="${BASE_FILE}.private"
+# STATE_FILE="${BASE_FILE}.state"
+# KEY_ID=$(echo $1 | sed 's/^0\{0,4\}//')
+# KEY_CREATED (from the KEY_FILE)
+check_key() {
+	_dir="$DIR"
+	_zone="$ZONE"
+	_role=$(key_get "$1" ROLE)
+	_key_idpad="$2"
+	_key_id=$(echo "$_key_idpad" | sed 's/^0\{0,4\}//')
+	_alg_num=$(key_get "$1" ALG_NUM)
+	_alg_numpad=$(printf "%03d" "$_alg_num")
+	_alg_string=$(key_get "$1" ALG_STR)
+	_length=$(key_get "$1" "ALG_LEN")
+	_dnskey_ttl="$DNSKEY_TTL"
+	_lifetime=$(key_get "$1" LIFETIME)
+	_legacy=$(key_get "$1" LEGACY)
+	_private=$(key_get "$1" PRIVATE)
+	_flags=$(key_get "$1" FLAGS)
+
+	_published=$(key_get "$1" PUBLISHED)
+	_active=$(key_get "$1" ACTIVE)
+	_retired=$(key_get "$1" RETIRED)
+	_revoked=$(key_get "$1" REVOKED)
+	_removed=$(key_get "$1" REMOVED)
+
+	_goal=$(key_get "$1" GOAL)
+	_state_dnskey=$(key_get "$1" STATE_DNSKEY)
+	_state_zrrsig=$(key_get "$1" STATE_ZRRSIG)
+	_state_krrsig=$(key_get "$1" STATE_KRRSIG)
+	_state_ds=$(key_get "$1" STATE_DS)
+
+	_ksk="no"
+	_zsk="no"
+	if [ "$_role" = "ksk" ]; then
+		_ksk="yes"
+	elif [ "$_role" = "zsk" ]; then
+		_zsk="yes"
+	elif [ "$_role" = "csk" ]; then
+		_zsk="yes"
+		_ksk="yes"
+	fi
+
+	_role2="none"
+	if [ "$_flags" = "257" ]; then
+		_role2="key-signing"
+	elif [ "$_flags" = "256" ]; then
+		_role2="zone-signing"
+	fi
+
+	BASE_FILE="${_dir}/K${_zone}.+${_alg_numpad}+${_key_idpad}"
+	KEY_FILE="${BASE_FILE}.key"
+	PRIVATE_FILE="${BASE_FILE}.private"
+	STATE_FILE="${BASE_FILE}.state"
+	KEY_ID="${_key_id}"
+
+	# Check file existence.
+	[ -s "$KEY_FILE" ] || ret=1
+	if [ "$_private" = "yes" ]; then
+		[ -s "$PRIVATE_FILE" ] || ret=1
+	fi
+	if [ "$_legacy" = "no" ]; then
+		[ -s "$STATE_FILE" ] || ret=1
+	fi
+	[ "$ret" -eq 0 ] || _log_error "${BASE_FILE} files missing"
+	[ "$ret" -eq 0 ] || return 0
+
+	# Retrieve creation date.
+	grep "; Created:" "$KEY_FILE" > "${ZONE}.${KEY_ID}.${_alg_num}.created" || _log_error "mismatch created comment in $KEY_FILE"
+	KEY_CREATED=$(awk '{print $3}' < "${ZONE}.${KEY_ID}.${_alg_num}.created")
+
+	if [ "$_private" = "yes" ]; then
+		grep "Created: ${KEY_CREATED}" "$PRIVATE_FILE" > /dev/null || _log_error "mismatch created in $PRIVATE_FILE"
+	fi
+	if [ "$_legacy" = "no" ]; then
+		grep "Generated: ${KEY_CREATED}" "$STATE_FILE" > /dev/null || _log_error "mismatch generated in $STATE_FILE"
+	fi
+
+	test $_log -eq 1 && echo_i "check key file $BASE_FILE"
+
+	# Check the public key file.
+	grep "This is a ${_role2} key, keyid ${_key_id}, for ${_zone}." "$KEY_FILE" > /dev/null || _log_error "mismatch top comment in $KEY_FILE"
+	grep "${_zone}\. ${_dnskey_ttl} IN DNSKEY ${_flags} 3 ${_alg_num}" "$KEY_FILE" > /dev/null || _log_error "mismatch DNSKEY record in $KEY_FILE"
+	# Now check the private key file.
+	if [ "$_private" = "yes" ]; then
+		grep "Private-key-format: v1.3" "$PRIVATE_FILE" > /dev/null || _log_error "mismatch private key format in $PRIVATE_FILE"
+		grep "Algorithm: ${_alg_num} (${_alg_string})" "$PRIVATE_FILE" > /dev/null || _log_error "mismatch algorithm in $PRIVATE_FILE"
+	fi
+	# Now check the key state file.
+	if [ "$_legacy" = "no" ]; then
+		grep "This is the state of key ${_key_id}, for ${_zone}." "$STATE_FILE" > /dev/null || _log_error "mismatch top comment in $STATE_FILE"
+		if [ "$_lifetime" = "none" ]; then
+			grep "Lifetime: " "$STATE_FILE" > /dev/null && _log_error "unexpected lifetime in $STATE_FILE"
+		else
+			grep "Lifetime: ${_lifetime}" "$STATE_FILE" > /dev/null || _log_error "mismatch lifetime in $STATE_FILE"
+		fi
+		grep "Algorithm: ${_alg_num}" "$STATE_FILE" > /dev/null || _log_error "mismatch algorithm in $STATE_FILE"
+		grep "Length: ${_length}" "$STATE_FILE" > /dev/null || _log_error "mismatch length in $STATE_FILE"
+		grep "KSK: ${_ksk}" "$STATE_FILE" > /dev/null || _log_error "mismatch ksk in $STATE_FILE"
+		grep "ZSK: ${_zsk}" "$STATE_FILE" > /dev/null || _log_error "mismatch zsk in $STATE_FILE"
+
+		# Check key states.
+		if [ "$_goal" = "none" ]; then
+			grep "GoalState: " "$STATE_FILE" > /dev/null && _log_error "unexpected goal state in $STATE_FILE"
+		else
+			grep "GoalState: ${_goal}" "$STATE_FILE" > /dev/null || _log_error "mismatch goal state in $STATE_FILE"
+		fi
+
+		if [ "$_state_dnskey" = "none" ]; then
+			grep "DNSKEYState: " "$STATE_FILE" > /dev/null && _log_error "unexpected dnskey state in $STATE_FILE"
+			grep "DNSKEYChange: " "$STATE_FILE" > /dev/null && _log_error "unexpected dnskey change in $STATE_FILE"
+		else
+			grep "DNSKEYState: ${_state_dnskey}" "$STATE_FILE" > /dev/null || _log_error "mismatch dnskey state in $STATE_FILE"
+			grep "DNSKEYChange: " "$STATE_FILE" > /dev/null || _log_error "mismatch dnskey change in $STATE_FILE"
+		fi
+
+		if [ "$_state_zrrsig" = "none" ]; then
+			grep "ZRRSIGState: " "$STATE_FILE" > /dev/null && _log_error "unexpected zrrsig state in $STATE_FILE"
+			grep "ZRRSIGChange: " "$STATE_FILE" > /dev/null && _log_error "unexpected zrrsig change in $STATE_FILE"
+		else
+			grep "ZRRSIGState: ${_state_zrrsig}" "$STATE_FILE" > /dev/null || _log_error "mismatch zrrsig state in $STATE_FILE"
+			grep "ZRRSIGChange: " "$STATE_FILE" > /dev/null || _log_error "mismatch zrrsig change in $STATE_FILE"
+		fi
+
+		if [ "$_state_krrsig" = "none" ]; then
+			grep "KRRSIGState: " "$STATE_FILE" > /dev/null && _log_error "unexpected krrsig state in $STATE_FILE"
+			grep "KRRSIGChange: " "$STATE_FILE" > /dev/null && _log_error "unexpected krrsig change in $STATE_FILE"
+		else
+			grep "KRRSIGState: ${_state_krrsig}" "$STATE_FILE" > /dev/null || _log_error "mismatch krrsig state in $STATE_FILE"
+			grep "KRRSIGChange: " "$STATE_FILE" > /dev/null || _log_error "mismatch krrsig change in $STATE_FILE"
+		fi
+
+		if [ "$_state_ds" = "none" ]; then
+			grep "DSState: " "$STATE_FILE" > /dev/null && _log_error "unexpected ds state in $STATE_FILE"
+			grep "DSChange: " "$STATE_FILE" > /dev/null && _log_error "unexpected ds change in $STATE_FILE"
+		else
+			grep "DSState: ${_state_ds}" "$STATE_FILE" > /dev/null || _log_error "mismatch ds state in $STATE_FILE"
+			grep "DSChange: " "$STATE_FILE" > /dev/null || _log_error "mismatch ds change in $STATE_FILE"
+		fi
+	fi
+
+	return 0
+}
+
+# Check the key timing metadata for key $1.
+check_timingmetadata() {
+	_dir="$DIR"
+	_zone="$ZONE"
+	_key_idpad=$(key_get "$1" ID)
+	_key_id=$(echo "$_key_idpad" | sed 's/^0\{0,4\}//')
+	_alg_num=$(key_get "$1" ALG_NUM)
+	_alg_numpad=$(printf "%03d" "$_alg_num")
+
+	_published=$(key_get "$1" PUBLISHED)
+	_active=$(key_get "$1" ACTIVE)
+	_retired=$(key_get "$1" RETIRED)
+	_revoked=$(key_get "$1" REVOKED)
+	_removed=$(key_get "$1" REMOVED)
+
+	_goal=$(key_get "$1" GOAL)
+	_state_dnskey=$(key_get "$1" STATE_DNSKEY)
+	_state_zrrsig=$(key_get "$1" STATE_ZRRSIG)
+	_state_krrsig=$(key_get "$1" STATE_KRRSIG)
+	_state_ds=$(key_get "$1" STATE_DS)
+
+	_base_file=$(key_get "$1" BASEFILE)
+	_key_file="${_base_file}.key"
+	_private_file="${_base_file}.private"
+	_state_file="${_base_file}.state"
+	_legacy=$(key_get "$1" LEGACY)
+	_private=$(key_get "$1" PRIVATE)
+
+	_published=$(key_get "$1" PUBLISHED)
+	_syncpublish=$(key_get "$1" SYNCPUBLISH)
+	_active=$(key_get "$1" ACTIVE)
+	_retired=$(key_get "$1" RETIRED)
+	_revoked=$(key_get "$1" REVOKED)
+	_removed=$(key_get "$1" REMOVED)
+
+	# Check timing metadata.
+	n=$((n+1))
+	echo_i "check key timing metadata for key $1 id ${_key_id} zone ${ZONE} ($n)"
+	ret=0
+
+	if [ "$_published" = "none" ]; then
+		grep "; Publish:" "${_key_file}" > /dev/null && _log_error "unexpected publish comment in ${_key_file}"
+		if [ "$_private" = "yes" ]; then
+			grep "Publish:" "${_private_file}" > /dev/null && _log_error "unexpected publish in ${_private_file}"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "Published: " "${_state_file}" > /dev/null && _log_error "unexpected publish in ${_state_file}"
+		fi
+	else
+		grep "; Publish: $_published" "${_key_file}" > /dev/null || _log_error "mismatch publish comment in ${_key_file} (expected ${_published})"
+		if [ "$_private" = "yes" ]; then
+			grep "Publish: $_published" "${_private_file}" > /dev/null || _log_error "mismatch publish in ${_private_file} (expected ${_published})"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "Published: $_published" "${_state_file}" > /dev/null || _log_error "mismatch publish in ${_state_file} (expected ${_published})"
+		fi
+	fi
+
+	if [ "$_syncpublish" = "none" ]; then
+		grep "; SyncPublish:" "${_key_file}" > /dev/null && _log_error "unexpected syncpublish comment in ${_key_file}"
+		if [ "$_private" = "yes" ]; then
+			grep "SyncPublish:" "${_private_file}" > /dev/null && _log_error "unexpected syncpublish in ${_private_file}"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "PublishCDS: " "${_state_file}" > /dev/null && _log_error "unexpected syncpublish in ${_state_file}"
+		fi
+	else
+		grep "; SyncPublish: $_syncpublish" "${_key_file}" > /dev/null || _log_error "mismatch syncpublish comment in ${_key_file} (expected ${_syncpublish})"
+		if [ "$_private" = "yes" ]; then
+			grep "SyncPublish: $_syncpublish" "${_private_file}" > /dev/null || _log_error "mismatch syncpublish in ${_private_file} (expected ${_syncpublish})"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "PublishCDS: $_syncpublish" "${_state_file}" > /dev/null || _log_error "mismatch syncpublish in ${_state_file} (expected ${_syncpublish})"
+		fi
+	fi
+
+	if [ "$_active" = "none" ]; then
+		grep "; Activate:" "${_key_file}" > /dev/null && _log_error "unexpected active comment in ${_key_file}"
+		if [ "$_private" = "yes" ]; then
+			grep "Activate:" "${_private_file}" > /dev/null && _log_error "unexpected active in ${_private_file}"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "Active: " "${_state_file}" > /dev/null && _log_error "unexpected active in ${_state_file}"
+		fi
+	else
+		grep "; Activate: $_active" "${_key_file}" > /dev/null || _log_error "mismatch active comment in ${_key_file} (expected ${_active})"
+		if [ "$_private" = "yes" ]; then
+			grep "Activate: $_active" "${_private_file}" > /dev/null || _log_error "mismatch active in ${_private_file} (expected ${_active})"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "Active: $_active" "${_state_file}" > /dev/null || _log_error "mismatch active in ${_state_file} (expected ${_active})"
+		fi
+	fi
+
+	if [ "$_retired" = "none" ]; then
+		grep "; Inactive:" "${_key_file}" > /dev/null && _log_error "unexpected retired comment in ${_key_file}"
+		if [ "$_private" = "yes" ]; then
+			grep "Inactive:" "${_private_file}" > /dev/null && _log_error "unexpected retired in ${_private_file}"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "Retired: " "${_state_file}" > /dev/null && _log_error "unexpected retired in ${_state_file}"
+		fi
+	else
+		grep "; Inactive: $_retired" "${_key_file}" > /dev/null || _log_error "mismatch retired comment in ${_key_file} (expected ${_retired})"
+		if [ "$_private" = "yes" ]; then
+			grep "Inactive: $_retired" "${_private_file}" > /dev/null || _log_error "mismatch retired in ${_private_file} (expected ${_retired})"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "Retired: $_retired" "${_state_file}" > /dev/null || _log_error "mismatch retired in ${_state_file} (expected ${_retired})"
+		fi
+	fi
+
+	if [ "$_revoked" = "none" ]; then
+		grep "; Revoke:" "${_key_file}" > /dev/null && _log_error "unexpected revoked comment in ${_key_file}"
+		if [ "$_private" = "yes" ]; then
+			grep "Revoke:" "${_private_file}" > /dev/null && _log_error "unexpected revoked in ${_private_file}"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "Revoked: " "${_state_file}" > /dev/null && _log_error "unexpected revoked in ${_state_file}"
+		fi
+	else
+		grep "; Revoke: $_revoked" "${_key_file}" > /dev/null || _log_error "mismatch revoked comment in ${_key_file} (expected ${_revoked})"
+		if [ "$_private" = "yes" ]; then
+			grep "Revoke: $_revoked" "${_private_file}" > /dev/null || _log_error "mismatch revoked in ${_private_file} (expected ${_revoked})"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "Revoked: $_revoked" "${_state_file}" > /dev/null || _log_error "mismatch revoked in ${_state_file} (expected ${_revoked})"
+		fi
+	fi
+
+	if [ "$_removed" = "none" ]; then
+		grep "; Delete:" "${_key_file}" > /dev/null && _log_error "unexpected removed comment in ${_key_file}"
+		if [ "$_private" = "yes" ]; then
+			grep "Delete:" "${_private_file}" > /dev/null && _log_error "unexpected removed in ${_private_file}"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "Removed: " "${_state_file}" > /dev/null && _log_error "unexpected removed in ${_state_file}"
+		fi
+	else
+		grep "; Delete: $_removed" "${_key_file}" > /dev/null || _log_error "mismatch removed comment in ${_key_file} (expected ${_removed})"
+		if [ "$_private" = "yes" ]; then
+			grep "Delete: $_removed" "${_private_file}" > /dev/null || _log_error "mismatch removed in ${_private_file} (expected ${_removed})"
+		fi
+		if [ "$_legacy" = "no" ]; then
+			grep "Removed: $_removed" "${_state_file}" > /dev/null || _log_error "mismatch removed in ${_state_file} (expected ${_removed})"
+		fi
+	fi
+
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+check_keytimes() {
+	# The script relies on Python to set keytimes.
+	if [ -x "$PYTHON" ]; then
+
+		if [ "$(key_get KEY1 EXPECT)" = "yes" ]; then
+			check_timingmetadata "KEY1"
+		fi
+		if [ "$(key_get KEY2 EXPECT)" = "yes" ]; then
+			check_timingmetadata "KEY2"
+		fi
+		if [ "$(key_get KEY3 EXPECT)" = "yes" ]; then
+			check_timingmetadata "KEY3"
+		fi
+		if [ "$(key_get KEY4 EXPECT)" = "yes" ]; then
+			check_timingmetadata "KEY4"
+		fi
+	fi
+}
+
+# Check the key with key id $1 and see if it is unused.
+# This requires environment variables to be set.
+#
+# This will set the following environment variables for testing:
+# BASE_FILE="${_dir}/K${_zone}.+${_alg_numpad}+${_key_idpad}"
+# KEY_FILE="${BASE_FILE}.key"
+# PRIVATE_FILE="${BASE_FILE}.private"
+# STATE_FILE="${BASE_FILE}.state"
+# KEY_ID=$(echo $1 | sed 's/^0\{0,4\}//')
+key_unused() {
+	_dir=$DIR
+	_zone=$ZONE
+	_key_idpad=$1
+	_key_id=$(echo "$_key_idpad" | sed 's/^0\{0,4\}//')
+	_alg_num=$2
+        _alg_numpad=$(printf "%03d" "$_alg_num")
+
+	BASE_FILE="${_dir}/K${_zone}.+${_alg_numpad}+${_key_idpad}"
+	KEY_FILE="${BASE_FILE}.key"
+	PRIVATE_FILE="${BASE_FILE}.private"
+	STATE_FILE="${BASE_FILE}.state"
+	KEY_ID="${_key_id}"
+
+	test $_log -eq 1 && echo_i "key unused $KEY_ID?"
+
+	# Check file existence.
+	[ -s "$KEY_FILE" ] || ret=1
+	[ -s "$PRIVATE_FILE" ] || ret=1
+	[ -s "$STATE_FILE" ] || ret=1
+	[ "$ret" -eq 0 ] || return 0
+
+	# Treat keys that have been removed from the zone as unused.
+	_check_removed=1
+	grep "; Created:" "$KEY_FILE" > created.key-${KEY_ID}.test${n} || _check_removed=0
+	grep "; Delete:" "$KEY_FILE" > unused.key-${KEY_ID}.test${n} || _check_removed=0
+	if [ "$_check_removed" -eq 1 ]; then
+		_created=$(awk '{print $3}' < created.key-${KEY_ID}.test${n})
+		_removed=$(awk '{print $3}' < unused.key-${KEY_ID}.test${n})
+		[ "$_removed" -le "$_created" ] && return
+	fi
+
+	# If no timing metadata is set, this key is unused.
+	grep "; Publish:" "$KEY_FILE" > /dev/null && _log_error "unexpected publish comment in $KEY_FILE"
+	grep "; Activate:" "$KEY_FILE" > /dev/null && _log_error "unexpected active comment in $KEY_FILE"
+	grep "; Inactive:" "$KEY_FILE" > /dev/null && _log_error "unexpected retired comment in $KEY_FILE"
+	grep "; Revoke:" "$KEY_FILE" > /dev/null && _log_error "unexpected revoked comment in $KEY_FILE"
+	grep "; Delete:" "$KEY_FILE" > /dev/null && _log_error "unexpected removed comment in $KEY_FILE"
+
+	grep "Publish:" "$PRIVATE_FILE" > /dev/null && _log_error "unexpected publish in $PRIVATE_FILE"
+	grep "Activate:" "$PRIVATE_FILE" > /dev/null && _log_error "unexpected active in $PRIVATE_FILE"
+	grep "Inactive:" "$PRIVATE_FILE" > /dev/null && _log_error "unexpected retired in $PRIVATE_FILE"
+	grep "Revoke:" "$PRIVATE_FILE" > /dev/null && _log_error "unexpected revoked in $PRIVATE_FILE"
+	grep "Delete:" "$PRIVATE_FILE" > /dev/null && _log_error "unexpected removed in $PRIVATE_FILE"
+
+	grep "Published: " "$STATE_FILE" > /dev/null && _log_error "unexpected publish in $STATE_FILE"
+	grep "Active: " "$STATE_FILE" > /dev/null && _log_error "unexpected active in $STATE_FILE"
+	grep "Retired: " "$STATE_FILE" > /dev/null && _log_error "unexpected retired in $STATE_FILE"
+	grep "Revoked: " "$STATE_FILE" > /dev/null && _log_error "unexpected revoked in $STATE_FILE"
+	grep "Removed: " "$STATE_FILE" > /dev/null && _log_error "unexpected removed in $STATE_FILE"
+
+	return 0
+}
+
+# Test: dnssec-verify zone $1.
+dnssec_verify()
+{
+	n=$((n+1))
+	echo_i "dnssec-verify zone ${ZONE} ($n)"
+	ret=0
+	_dig_with_opts "$ZONE" "@${SERVER}" AXFR > dig.out.axfr.test$n || _log_error "dig ${ZONE} AXFR failed"
+	$VERIFY -z -o "$ZONE" dig.out.axfr.test$n > verify.out.$ZONE.test$n || _log_error "dnssec verify zone $ZONE failed"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+# Wait for the zone to be signed.
+# The apex NSEC record indicates that it is signed.
+_wait_for_nsec() {
+	_dig_with_opts "@${SERVER}" "$ZONE" NSEC > "dig.out.nsec.test$n" || return 1
+	grep "NS SOA" "dig.out.nsec.test$n" > /dev/null || return 1
+	grep "${ZONE}\..*IN.*RRSIG" "dig.out.nsec.test$n" > /dev/null || return 1
+	return 0
+}
+wait_for_nsec() {
+	n=$((n+1))
+	ret=0
+	echo_i "wait for ${ZONE} to be signed ($n)"
+	retry_quiet 10 _wait_for_nsec  || _log_error "wait for ${ZONE} to be signed failed"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+check_numkeys() {
+	_numkeys=$(get_keyids "$DIR" "$ZONE" | wc -l)
+	test "$_numkeys" -eq "$NUM_KEYS" || return 1
+	return 0
+}
+
+_check_keys() {
+	ret=0
+	_ret=0
+
+	# Clear key ids.
+	key_set KEY1 ID "no"
+	key_set KEY2 ID "no"
+	key_set KEY3 ID "no"
+	key_set KEY4 ID "no"
+
+	# Check key files.
+	_ids=$(get_keyids "$DIR" "$ZONE")
+	for _id in $_ids; do
+		# There are multiple key files with the same algorithm.
+		# Check them until a match is found.
+		ret=0
+		echo_i "check key id $_id"
+
+		if [ "no" = "$(key_get KEY1 ID)" ] && [ "$(key_get KEY1 EXPECT)" = "yes" ]; then
+			ret=0
+			check_key "KEY1" "$_id"
+			test "$ret" -eq 0 && key_save KEY1 && continue
+		fi
+		if [ "no" = "$(key_get KEY2 ID)" ] && [ "$(key_get KEY2 EXPECT)" = "yes" ]; then
+			ret=0
+			check_key "KEY2" "$_id"
+			test "$ret" -eq 0 && key_save KEY2 && continue
+		fi
+		if [ "no" = "$(key_get KEY3 ID)" ] && [ "$(key_get KEY3 EXPECT)" = "yes"  ]; then
+			ret=0
+			check_key "KEY3" "$_id"
+			test "$ret" -eq 0 && key_save KEY3 && continue
+		fi
+		if [ "no" = "$(key_get KEY4 ID)" ] && [ "$(key_get KEY4 EXPECT)" = "yes"  ]; then
+			ret=0
+			check_key "KEY4" "$_id"
+			test "$ret" -eq 0 && key_save KEY4 && continue
+		fi
+
+		# This may be an unused key. Assume algorithm of KEY1.
+		ret=0 && key_unused "$_id" "$(key_get KEY1 ALG_NUM)"
+		test "$ret" -eq 0 && continue
+
+		# If ret is still non-zero, none of the files matched.
+		echo_i "failed"
+		_ret=1
+	done
+
+	return $_ret
+}
+
+# Check keys for a configured zone. This verifies:
+# 1. The right number of keys exist in the key pool ($1).
+# 2. The right number of keys is active. Checks KEY1, KEY2, KEY3, and KEY4.
+#
+# It is expected that KEY1, KEY2, KEY3, and KEY4 arrays are set correctly.
+# Found key identifiers are stored in the right key array.
+check_keys() {
+	n=$((n+1))
+	echo_i "check keys are created for zone ${ZONE} ($n)"
+	ret=0
+
+	echo_i "check number of keys for zone ${ZONE} in dir ${DIR} ($n)"
+	retry_quiet 10 check_numkeys || ret=1
+	if [ $ret -ne 0 ]; then
+		_numkeys=$(get_keyids "$DIR" "$ZONE" | wc -l)
+		_log_error "bad number of key files ($_numkeys) for zone $ZONE (expected $NUM_KEYS)"
+		status=$((status+ret))
+	fi
+
+	# Temporarily don't log errors because we are searching multiple files.
+	disable_logerror
+
+	retry_quiet 3 _check_keys || ret=1
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+
+	# Turn error logs on again.
+	enable_logerror
+
+	ret=0
+	if [ "$(key_get KEY1 EXPECT)" = "yes" ]; then
+		echo_i "KEY1 ID $(key_get KEY1 ID)"
+		test "no" = "$(key_get KEY1 ID)" && _log_error "No KEY1 found for zone ${ZONE}"
+	fi
+	if [ "$(key_get KEY2 EXPECT)" = "yes" ]; then
+		echo_i "KEY2 ID $(key_get KEY2 ID)"
+		test "no" = "$(key_get KEY2 ID)" && _log_error "No KEY2 found for zone ${ZONE}"
+	fi
+	if [ "$(key_get KEY3 EXPECT)" = "yes" ]; then
+		echo_i "KEY3 ID $(key_get KEY3 ID)"
+		test "no" = "$(key_get KEY3 ID)" && _log_error "No KEY3 found for zone ${ZONE}"
+	fi
+	if [ "$(key_get KEY4 EXPECT)" = "yes" ]; then
+		echo_i "KEY4 ID $(key_get KEY4 ID)"
+		test "no" = "$(key_get KEY4 ID)" && _log_error "No KEY4 found for zone ${ZONE}"
+	fi
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+# Call rndc dnssec -status on server $1 for zone $3 in view $4 with policy $2
+# and check output. This is a loose verification, it just tests if the right
+# policy name is returned, and if all expected keys are listed.  The rndc
+# dnssec -status output also lists whether a key is published,
+# used for signing, is retired, or is removed, and if not when
+# it is scheduled to do so, and it shows the states for the various
+# DNSSEC records.
+check_dnssecstatus() {
+	_server=$1
+	_policy=$2
+	_zone=$3
+	_view=$4
+
+	n=$((n+1))
+	echo_i "check rndc dnssec -status output for ${_zone} (policy: $_policy) ($n)"
+	ret=0
+
+	_rndccmd $_server dnssec -status $_zone in $_view > rndc.dnssec.status.out.$_zone.$n || _log_error "rndc dnssec -status zone ${_zone} failed"
+
+	if [ "$_policy" = "none" ]; then
+		grep "Zone does not have dnssec-policy" rndc.dnssec.status.out.$_zone.$n > /dev/null || log_error "bad dnssec status for unsigned zone ${_zone}"
+	else
+		grep "dnssec-policy: ${_policy}" rndc.dnssec.status.out.$_zone.$n > /dev/null || _log_error "bad dnssec status for signed zone ${_zone}"
+		if [ "$(key_get KEY1 EXPECT)" = "yes" ]; then
+			grep "key: $(key_get KEY1 ID)" rndc.dnssec.status.out.$_zone.$n > /dev/null || _log_error "missing key $(key_get KEY1 ID) from dnssec status"
+		fi
+		if [ "$(key_get KEY2 EXPECT)" = "yes" ]; then
+			grep "key: $(key_get KEY2 ID)" rndc.dnssec.status.out.$_zone.$n > /dev/null || _log_error "missing key $(key_get KEY2 ID) from dnssec status"
+		fi
+		if [ "$(key_get KEY3 EXPECT)" = "yes" ]; then
+			grep "key: $(key_get KEY3 ID)" rndc.dnssec.status.out.$_zone.$n > /dev/null || _log_error "missing key $(key_get KEY3 ID) from dnssec status"
+		fi
+		if [ "$(key_get KEY4 EXPECT)" = "yes" ]; then
+			grep "key: $(key_get KEY4 ID)" rndc.dnssec.status.out.$_zone.$n > /dev/null || _log_error "missing key $(key_get KEY4 ID) from dnssec status"
+		fi
+	fi
+
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+# Call rndc zonestatus on server $1 for zone $2 in view $3 and check output if
+# inline-signing is enabled.
+check_inlinesigning() {
+	_server=$1
+	_zone=$2
+	_view=$3
+
+	_rndccmd $_server zonestatus $_zone in $_view > rndc.zonestatus.out.$_zone.$n || return 1
+	grep "inline signing: yes" rndc.zonestatus.out.$_zone.$n > /dev/null || return 1
+}
+
+# Call rndc zonestatus on server $1 for zone $2 in view $3 and check output if
+# the zone is dynamic.
+check_isdynamic() {
+	_server=$1
+	_zone=$2
+	_view=$3
+
+	_rndccmd $_server zonestatus $_zone in $_view > rndc.zonestatus.out.$_zone.$n || return 1
+	grep "dynamic: yes" rndc.zonestatus.out.$_zone.$n > /dev/null || return 1
+}
+
+# Check if RRset of type $1 in file $2 is signed with the right keys.
+# The right keys are the ones that expect a signature and matches the role $3.
+_check_signatures() {
+	_qtype=$1
+	_file=$2
+	_role=$3
+
+	numsigs=0
+
+	if [ "$_role" = "KSK" ]; then
+		_expect_type=EXPECT_KRRSIG
+	elif [ "$_role" = "ZSK" ]; then
+		_expect_type=EXPECT_ZRRSIG
+	fi
+
+	if [ "$(key_get KEY1 "$_expect_type")" = "yes" ] && [ "$(key_get KEY1 "$_role")" = "yes" ]; then
+		get_keys_which_signed "$_qtype" "$_file" | grep "^$(key_get KEY1 ID)$" > /dev/null || return 1
+		numsigs=$((numsigs+1))
+	elif [ "$(key_get KEY1 EXPECT)" = "yes" ]; then
+		get_keys_which_signed "$_qtype" "$_file" | grep "^$(key_get KEY1 ID)$" > /dev/null && return 1
+	fi
+
+	if [ "$(key_get KEY2 "$_expect_type")" = "yes" ] && [ "$(key_get KEY2 "$_role")" = "yes" ]; then
+		get_keys_which_signed "$_qtype" "$_file" | grep "^$(key_get KEY2 ID)$" > /dev/null || return 1
+		numsigs=$((numsigs+1))
+	elif [ "$(key_get KEY2 EXPECT)" = "yes" ]; then
+		get_keys_which_signed "$_qtype" "$_file" | grep "^$(key_get KEY2 ID)$" > /dev/null && return 1
+	fi
+
+	if [ "$(key_get KEY3 "$_expect_type")" = "yes" ] && [ "$(key_get KEY3 "$_role")" = "yes" ]; then
+		get_keys_which_signed "$_qtype" "$_file" | grep "^$(key_get KEY3 ID)$" > /dev/null || return 1
+		numsigs=$((numsigs+1))
+	elif [ "$(key_get KEY3 EXPECT)" = "yes" ]; then
+		get_keys_which_signed "$_qtype" "$_file" | grep "^$(key_get KEY3 ID)$" > /dev/null && return 1
+	fi
+
+	if [ "$(key_get KEY4 "$_expect_type")" = "yes" ] && [ "$(key_get KEY4 "$_role")" = "yes" ]; then
+		get_keys_which_signed "$_qtype" "$_file" | grep "^$(key_get KEY4 ID)$" > /dev/null || return 1
+		numsigs=$((numsigs+1))
+	elif [ "$(key_get KEY4 EXPECT)" = "yes" ]; then
+		get_keys_which_signed "$_qtype" "$_file" | grep "^$(key_get KEY4 ID)$" > /dev/null && return 1
+	fi
+
+	lines=$(get_keys_which_signed "${_qtype}" "${_file}" | wc -l)
+	test "$lines" -eq "$numsigs" || echo_i "bad number of signatures for $_qtype (got $lines, expected $numsigs)"
+	test "$lines" -eq "$numsigs" || return 1
+
+	return 0
+}
+check_signatures() {
+	retry_quiet 3 _check_signatures $1 $2 $3 || _log_error "RRset $1 in zone $ZONE incorrectly signed"
+}
+
+response_has_cds_for_key() (
+	awk -v zone="${ZONE%%.}." \
+	    -v ttl="${DNSKEY_TTL}" \
+	    -v qtype="CDS" \
+	    -v keyid="$(key_get "${1}" ID)" \
+	    -v keyalg="$(key_get "${1}" ALG_NUM)" \
+	    -v hashalg="2" \
+	    'BEGIN { ret=1; }
+	     $1 == zone && $2 == ttl && $4 == qtype && $5 == keyid && $6 == keyalg && $7 == hashalg { ret=0; exit; }
+	     END { exit ret; }' \
+	    "$2"
+)
+
+response_has_cdnskey_for_key() (
+
+	awk -v zone="${ZONE%%.}." \
+	    -v ttl="${DNSKEY_TTL}" \
+	    -v qtype="CDNSKEY" \
+	    -v flags="$(key_get "${1}" FLAGS)" \
+	    -v keyalg="$(key_get "${1}" ALG_NUM)" \
+	    'BEGIN { ret=1; }
+	     $1 == zone && $2 == ttl && $4 == qtype && $5 == flags && $7 == keyalg { ret=0; exit; }
+	     END { exit ret; }' \
+	    "$2"
+)
+
+# Test CDS and CDNSKEY publication.
+check_cds() {
+
+	n=$((n+1))
+	echo_i "check CDS and CDNSKEY rrset are signed correctly for zone ${ZONE} ($n)"
+	ret=0
+
+	_checksig=0
+
+	_dig_with_opts "$ZONE" "@${SERVER}" "CDS" > "dig.out.$DIR.test$n.cds" || _log_error "dig ${ZONE} CDS failed"
+	grep "status: NOERROR" "dig.out.$DIR.test$n.cds" > /dev/null || _log_error "mismatch status in DNS response"
+
+	_dig_with_opts "$ZONE" "@${SERVER}" "CDNSKEY" > "dig.out.$DIR.test$n.cdnskey" || _log_error "dig ${ZONE} CDNSKEY failed"
+	grep "status: NOERROR" "dig.out.$DIR.test$n.cdnskey" > /dev/null || _log_error "mismatch status in DNS response"
+
+	if [ "$CDS_DELETE" = "no" ]; then
+		grep "CDS.*0 0 0 00" "dig.out.$DIR.test$n.cds" > /dev/null && _log_error "unexpected CDS DELETE record in DNS response"
+		grep "CDNSKEY.*0 3 0 AA==" "dig.out.$DIR.test$n.cdnskey" > /dev/null && _log_error "unexpected CDNSKEY DELETE record in DNS response"
+	else
+		grep "CDS.*0 0 0 00" "dig.out.$DIR.test$n.cds" > /dev/null || _log_error "missing CDS DELETE record in DNS response"
+		grep "CDNSKEY.*0 3 0 AA==" "dig.out.$DIR.test$n.cdnskey" > /dev/null || _log_error "missing CDNSKEY DELETE record in DNS response"
+		_checksig=1
+	fi
+
+	if [ "$(key_get KEY1 STATE_DS)" = "rumoured" ] || [ "$(key_get KEY1 STATE_DS)" = "omnipresent" ]; then
+		response_has_cds_for_key KEY1 "dig.out.$DIR.test$n.cds" || _log_error "missing CDS record in response for key $(key_get KEY1 ID)"
+		response_has_cdnskey_for_key KEY1 "dig.out.$DIR.test$n.cdnskey" || _log_error "missing CDNSKEY record in response for key $(key_get KEY1 ID)"
+		_checksig=1
+	elif [ "$(key_get KEY1 EXPECT)" = "yes" ]; then
+		response_has_cds_for_key KEY1 "dig.out.$DIR.test$n.cds" && _log_error "unexpected CDS record in response for key $(key_get KEY1 ID)"
+		# KEY1 should not have an associated CDNSKEY, but there may be
+		# one for another key.  Since the CDNSKEY has no field for key
+		# id, it is hard to check what key the CDNSKEY may belong to
+		# so let's skip this check for now.
+	fi
+
+	if [ "$(key_get KEY2 STATE_DS)" = "rumoured" ] || [ "$(key_get KEY2 STATE_DS)" = "omnipresent" ]; then
+		response_has_cds_for_key KEY2 "dig.out.$DIR.test$n.cds" || _log_error "missing CDS record in response for key $(key_get KEY2 ID)"
+		response_has_cdnskey_for_key KEY2 "dig.out.$DIR.test$n.cdnskey" || _log_error "missing CDNSKEY record in response for key $(key_get KEY2 ID)"
+		_checksig=1
+	elif [ "$(key_get KEY2 EXPECT)" = "yes" ]; then
+		response_has_cds_for_key KEY2 "dig.out.$DIR.test$n.cds" && _log_error "unexpected CDS record in response for key $(key_get KEY2 ID)"
+		# KEY2 should not have an associated CDNSKEY, but there may be
+		# one for another key.  Since the CDNSKEY has no field for key
+		# id, it is hard to check what key the CDNSKEY may belong to
+		# so let's skip this check for now.
+	fi
+
+	if [ "$(key_get KEY3 STATE_DS)" = "rumoured" ] || [ "$(key_get KEY3 STATE_DS)" = "omnipresent" ]; then
+		response_has_cds_for_key KEY3 "dig.out.$DIR.test$n.cds" || _log_error "missing CDS record in response for key $(key_get KEY3 ID)"
+		response_has_cdnskey_for_key KEY3 "dig.out.$DIR.test$n.cdnskey" || _log_error "missing CDNSKEY record in response for key $(key_get KEY3 ID)"
+		_checksig=1
+	elif [ "$(key_get KEY3 EXPECT)" = "yes" ]; then
+		response_has_cds_for_key KEY3 "dig.out.$DIR.test$n.cds" && _log_error "unexpected CDS record in response for key $(key_get KEY3 ID)"
+		# KEY3 should not have an associated CDNSKEY, but there may be
+		# one for another key.  Since the CDNSKEY has no field for key
+		# id, it is hard to check what key the CDNSKEY may belong to
+		# so let's skip this check for now.
+	fi
+
+	if [ "$(key_get KEY4 STATE_DS)" = "rumoured" ] || [ "$(key_get KEY4 STATE_DS)" = "omnipresent" ]; then
+		response_has_cds_for_key KEY4 "dig.out.$DIR.test$n.cds" || _log_error "missing CDS record in response for key $(key_get KEY4 ID)"
+		response_has_cdnskey_for_key KEY4 "dig.out.$DIR.test$n.cdnskey" || _log_error "missing CDNSKEY record in response for key $(key_get KEY4 ID)"
+		_checksig=1
+	elif [ "$(key_get KEY4 EXPECT)" = "yes" ]; then
+		response_has_cds_for_key KEY4 "dig.out.$DIR.test$n.cds" && _log_error "unexpected CDS record in response for key $(key_get KEY4 ID)"
+		# KEY4 should not have an associated CDNSKEY, but there may be
+		# one for another key.  Since the CDNSKEY has no field for key
+		# id, it is hard to check what key the CDNSKEY may belong to
+		# so let's skip this check for now.
+	fi
+
+	test "$_checksig" -eq 0 || check_signatures "CDS" "dig.out.$DIR.test$n.cds" "KSK"
+	test "$_checksig" -eq 0 || check_signatures "CDNSKEY" "dig.out.$DIR.test$n.cdnskey" "KSK"
+
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+_find_dnskey() {
+	_owner="${ZONE}."
+	_alg="$(key_get $1 ALG_NUM)"
+	_flags="$(key_get $1 FLAGS)"
+	_key_file="$(key_get $1 BASEFILE).key"
+
+	awk '$1 == "'"$_owner"'" && $2 == "'"$DNSKEY_TTL"'" && $3 == "IN" && $4 == "DNSKEY" && $5 == "'"$_flags"'" && $6 == "3" && $7 == "'"$_alg"'" { print $8 }' < "$_key_file"
+}
+
+
+# Test DNSKEY query.
+_check_apex_dnskey() {
+	_dig_with_opts "$ZONE" "@${SERVER}" "DNSKEY" > "dig.out.$DIR.test$n" || return 1
+	grep "status: NOERROR" "dig.out.$DIR.test$n" > /dev/null || return 1
+
+	_checksig=0
+
+	if [ "$(key_get KEY1 STATE_DNSKEY)" = "rumoured" ] || [ "$(key_get KEY1 STATE_DNSKEY)" = "omnipresent" ]; then
+		_pubkey=$(_find_dnskey KEY1)
+		test -z "$_pubkey" && return 1
+		grep -F "$_pubkey" "dig.out.$DIR.test$n" > /dev/null || return 1
+		_checksig=1
+	elif [ "$(key_get KEY1 EXPECT)" = "yes" ]; then
+		_pubkey=$(_find_dnskey KEY1)
+		test -z "$_pubkey" && return 1
+		grep -F "$_pubkey" "dig.out.$DIR.test$n" > /dev/null && return 1
+	fi
+
+	if [ "$(key_get KEY2 STATE_DNSKEY)" = "rumoured" ] || [ "$(key_get KEY2 STATE_DNSKEY)" = "omnipresent" ]; then
+		_pubkey=$(_find_dnskey KEY2)
+		test -z "$_pubkey" && return 1
+		grep -F "$_pubkey" "dig.out.$DIR.test$n" > /dev/null || return 1
+		_checksig=1
+	elif [ "$(key_get KEY2 EXPECT)" = "yes" ]; then
+		_pubkey=$(_find_dnskey KEY2)
+		test -z "$_pubkey" && return 1
+		grep -F "$_pubkey" "dig.out.$DIR.test$n" > /dev/null && return 1
+	fi
+
+	if [ "$(key_get KEY3 STATE_DNSKEY)" = "rumoured" ] || [ "$(key_get KEY3 STATE_DNSKEY)" = "omnipresent" ]; then
+		_pubkey=$(_find_dnskey KEY3)
+		test -z "$_pubkey" && return 1
+		grep -F "$_pubkey" "dig.out.$DIR.test$n" > /dev/null || return 1
+		_checksig=1
+	elif [ "$(key_get KEY3 EXPECT)" = "yes" ]; then
+		_pubkey=$(_find_dnskey KEY3)
+		test -z "$_pubkey" && return 1
+		grep -F "$_pubkey" "dig.out.$DIR.test$n" > /dev/null && return 1
+	fi
+
+	if [ "$(key_get KEY4 STATE_DNSKEY)" = "rumoured" ] || [ "$(key_get KEY4 STATE_DNSKEY)" = "omnipresent" ]; then
+		_pubkey=$(_find_dnskey KEY4)
+		test -z "$_pubkey" && return 1
+		grep -F "$_pubkey" "dig.out.$DIR.test$n" > /dev/null || return 1
+		_checksig=1
+	elif [ "$(key_get KEY4 EXPECT)" = "yes" ]; then
+		_pubkey=$(_find_dnskey KEY4)
+		test -z "$_pubkey" && return 1
+		grep -F "$_pubkey" "dig.out.$DIR.test$n" > /dev/null && return 1
+	fi
+
+	test "$_checksig" -eq 0 && return 0
+
+	_check_signatures "DNSKEY" "dig.out.$DIR.test$n" "KSK" || return 1
+
+	return 0
+}
+
+# Test the apex of a configured zone. This checks that the SOA and DNSKEY
+# RRsets are signed correctly and with the appropriate keys.
+check_apex() {
+
+	# Test DNSKEY query.
+	n=$((n+1))
+	echo_i "check DNSKEY rrset is signed correctly for zone ${ZONE} ($n)"
+	ret=0
+	retry_quiet 10 _check_apex_dnskey || ret=1
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+
+	# We retry the DNSKEY query for at most ten seconds to avoid test
+	# failures due to timing issues. If the DNSKEY query check passes this
+	# means the zone is resigned and further apex checks (SOA, CDS, CDNSKEY)
+	# don't need to be retried quietly.
+
+	# Test SOA query.
+	n=$((n+1))
+	echo_i "check SOA rrset is signed correctly for zone ${ZONE} ($n)"
+	ret=0
+	_dig_with_opts "$ZONE" "@${SERVER}" "SOA" > "dig.out.$DIR.test$n" || _log_error "dig ${ZONE} SOA failed"
+	grep "status: NOERROR" "dig.out.$DIR.test$n" > /dev/null || _log_error "mismatch status in DNS response"
+	grep "${ZONE}\..*${DEFAULT_TTL}.*IN.*SOA.*" "dig.out.$DIR.test$n" > /dev/null || _log_error "missing SOA record in response"
+	check_signatures "SOA" "dig.out.$DIR.test$n" "ZSK"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+
+	# Test CDS and CDNSKEY publication.
+	check_cds
+}
+
+# Test an RRset below the apex and verify it is signed correctly.
+check_subdomain() {
+	_qtype="A"
+	n=$((n+1))
+	echo_i "check ${_qtype} a.${ZONE} rrset is signed correctly for zone ${ZONE} ($n)"
+	ret=0
+	_dig_with_opts "a.$ZONE" "@${SERVER}" $_qtype > "dig.out.$DIR.test$n" || _log_error "dig a.${ZONE} ${_qtype} failed"
+	grep "status: NOERROR" "dig.out.$DIR.test$n" > /dev/null || _log_error "mismatch status in DNS response"
+	grep "a.${ZONE}\..*${DEFAULT_TTL}.*IN.*${_qtype}.*10\.0\.0\.1" "dig.out.$DIR.test$n" > /dev/null || _log_error "missing a.${ZONE} ${_qtype} record in response"
+	lines=$(get_keys_which_signed $_qtype "dig.out.$DIR.test$n" | wc -l)
+	check_signatures $_qtype "dig.out.$DIR.test$n" "ZSK"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+# Check if "CDS/CDNSKEY Published" is logged.
+check_cdslog() {
+	_dir=$1
+	_zone=$2
+	_key=$3
+
+	_alg=$(key_get $_key ALG_STR)
+	_id=$(key_get $_key ID)
+
+	n=$((n+1))
+	echo_i "check CDS/CDNSKEY publication is logged in ${_dir}/named.run for key ${_zone}/${_alg}/${_id} ($n)"
+	ret=0
+
+	grep "CDS for key ${_zone}/${_alg}/${_id} is now published" "${_dir}/named.run" > /dev/null || ret=1
+	grep "CDNSKEY for key ${_zone}/${_alg}/${_id} is now published" "${_dir}/named.run" > /dev/null || ret=1
+
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+# Tell named that the DS for the key in given zone has been seen in the
+# parent (this does not actually has to be true, we just issue the command
+# to make named believe it can continue with the rollover).
+rndc_checkds() {
+	_server=$1
+	_dir=$2
+	_key=$3
+	_when=$4
+	_what=$5
+	_zone=$6
+	_view=$7
+
+	_keycmd=""
+	if [ "${_key}" != "-" ]; then
+		_keyid=$(key_get $_key ID)
+		_keycmd=" -key ${_keyid}"
+	fi
+
+	_whencmd=""
+	if [ "${_when}" != "now" ]; then
+		_whencmd=" -when ${_when}"
+	fi
+
+	n=$((n+1))
+	echo_i "calling rndc dnssec -checkds${_keycmd}${_whencmd} ${_what} zone ${_zone} in ${_view} ($n)"
+	ret=0
+
+	_rndccmd $_server dnssec -checkds $_keycmd $_whencmd $_what $_zone in $_view > rndc.dnssec.checkds.out.$_zone.$n || _log_error "rndc dnssec -checkds${_keycmd}${_whencmd} ${_what} zone ${_zone} failed"
+
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+# Tell named to schedule a key rollover.
+rndc_rollover() {
+	_server=$1
+	_dir=$2
+	_keyid=$3
+	_when=$4
+	_zone=$5
+	_view=$6
+
+	_whencmd=""
+	if [ "${_when}" != "now" ]; then
+		_whencmd="-when ${_when}"
+	fi
+
+	n=$((n+1))
+	echo_i "calling rndc dnssec -rollover key ${_keyid} ${_whencmd} zone ${_zone} ($n)"
+	ret=0
+
+	_rndccmd $_server dnssec -rollover -key $_keyid $_whencmd $_zone in $_view > rndc.dnssec.rollover.out.$_zone.$n || _log_error "rndc dnssec -rollover (key ${_keyid} when ${_when}) zone ${_zone} failed"
+
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
diff --git a/bin/tests/system/kasp/README b/bin/tests/system/kasp/README
new file mode 100644
index 0000000..96b0ef7
--- /dev/null
+++ b/bin/tests/system/kasp/README
@@ -0,0 +1,23 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+The test setup for the KASP tests.
+
+ns1 is reserved for the root server.
+
+ns2 is running primary service for ns3.
+
+ns3 is an authoritative server for the various test domains.
+
+ns4 and ns5 are authoritative servers for various test domains related to views.
+
+ns6 is an authoritative server that tests changes in dnssec-policy (algorithm
+rollover).
diff --git a/bin/tests/system/kasp/clean.sh b/bin/tests/system/kasp/clean.sh
new file mode 100644
index 0000000..db264c2
--- /dev/null
+++ b/bin/tests/system/kasp/clean.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+rm -f ./keygen.*
+rm -f ./K*.private ./K*.key ./K*.state ./K*.cmp
+rm -rf ./keys/
+rm -f dig.out* rrsig.out.* keyevent.out.* verify.out.* zone.out.*
+rm -f ns*/named.conf ns*/named.memstats ns*/named.run*
+rm -f ns*/named-fips.conf
+rm -f ns*/policies/*.conf
+rm -f ns*/*.jnl ns*/*.jbk
+rm -f ns*/K*.private ns*/K*.key ns*/K*.state
+rm -f ns*/dsset-* ns*/*.db ns*/*.db.signed
+rm -f ns*/keygen.out.* ns*/settime.out.* ns*/signer.out.*
+rm -f ns*/managed-keys.bind
+rm -f ns*/*.mkeys
+rm -f ns*/zones ns*/*.db.infile
+rm -f ns*/*.zsk1 ns*/*.zsk2
+rm -f ns3/legacy-keys.*
+rm -f *.created published.test* retired.test*
+rm -f rndc.dnssec.*.out.* rndc.zonestatus.out.*
+rm -f python.out.*
+rm -f *-supported.file
+rm -f created.key-* unused.key-*
diff --git a/bin/tests/system/kasp/kasp.conf b/bin/tests/system/kasp/kasp.conf
new file mode 100644
index 0000000..e7a2eab
--- /dev/null
+++ b/bin/tests/system/kasp/kasp.conf
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * This is just a random selection of configuration options.
+ */
+
+dnssec-policy "kasp" {
+	dnskey-ttl 200;
+
+	keys {
+		csk key-directory lifetime P1Y  algorithm 13;
+		ksk key-directory lifetime P1Y  algorithm 8;
+		zsk key-directory lifetime P30D algorithm 8 2048;
+		zsk key-directory lifetime P6M  algorithm 8 3072;
+	};
+};
diff --git a/bin/tests/system/kasp/ns2/named.conf.in b/bin/tests/system/kasp/ns2/named.conf.in
new file mode 100644
index 0000000..bdbacc2
--- /dev/null
+++ b/bin/tests/system/kasp/ns2/named.conf.in
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	dnssec-policy "none";
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+/* Inherit dnssec-policy (which is none) */
+
+zone "unsigned.tld" {
+	type primary;
+	file "unsigned.tld.db";
+};
+
+/* Override dnssec-policy */
+
+zone "signed.tld" {
+	type primary;
+	file "signed.tld.db";
+	dnssec-policy "default";
+	inline-signing yes;
+};
+
+/* Primary service for ns3 */
+
+zone "secondary.kasp" {
+	type primary;
+	file "secondary.kasp.db";
+	allow-transfer { 10.53.0.3; };
+	notify yes;
+};
diff --git a/bin/tests/system/kasp/ns2/secondary.kasp.db.in b/bin/tests/system/kasp/ns2/secondary.kasp.db.in
new file mode 100644
index 0000000..3c8d124
--- /dev/null
+++ b/bin/tests/system/kasp/ns2/secondary.kasp.db.in
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  secondary.kasp. hostmaster.kasp. (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns2
+			NS	ns3
+ns2			A	10.53.0.2
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+
diff --git a/bin/tests/system/kasp/ns2/secondary.kasp.db.in2 b/bin/tests/system/kasp/ns2/secondary.kasp.db.in2
new file mode 100644
index 0000000..9289831
--- /dev/null
+++ b/bin/tests/system/kasp/ns2/secondary.kasp.db.in2
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  secondary.kasp. hostmaster.kasp. (
+			2       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns2
+			NS	ns3
+ns2			A	10.53.0.2
+ns3			A	10.53.0.3
+
+a			A	10.0.0.11
+b			A	10.0.0.2
+c			A	10.0.0.3
+d			A	10.0.0.4
+
diff --git a/bin/tests/system/kasp/ns2/setup.sh b/bin/tests/system/kasp/ns2/setup.sh
new file mode 100644
index 0000000..cdf0f26
--- /dev/null
+++ b/bin/tests/system/kasp/ns2/setup.sh
@@ -0,0 +1,35 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns2/setup.sh"
+
+zone="secondary.kasp"
+echo_i "setting up zone: $zone"
+zonefile="${zone}.db"
+infile="${zonefile}.in"
+cp $infile $zonefile
+
+zone="signed.tld"
+echo_i "setting up zone: $zone"
+zonefile="${zone}.db"
+infile="template.tld.db.in"
+cp $infile $zonefile
+
+zone="unsigned.tld"
+echo_i "setting up zone: $zone"
+zonefile="${zone}.db"
+infile="template.tld.db.in"
+cp $infile $zonefile
diff --git a/bin/tests/system/kasp/ns2/template.tld.db.in b/bin/tests/system/kasp/ns2/template.tld.db.in
new file mode 100644
index 0000000..400dc34
--- /dev/null
+++ b/bin/tests/system/kasp/ns2/template.tld.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  secondary.kasp. hostmaster.kasp. (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns2
+ns2			A	10.53.0.2
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+
diff --git a/bin/tests/system/kasp/ns3/ed25519.conf b/bin/tests/system/kasp/ns3/ed25519.conf
new file mode 100644
index 0000000..999fa2f
--- /dev/null
+++ b/bin/tests/system/kasp/ns3/ed25519.conf
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "ed25519" {
+        dnskey-ttl 1234;
+
+        keys {
+                ksk key-directory lifetime P10Y algorithm 15;
+                zsk key-directory lifetime P5Y  algorithm 15;
+                zsk key-directory lifetime P1Y  algorithm 15 256;
+        };
+};
+
+zone "ed25519.kasp" {
+        type primary;
+        file "ed25519.kasp.db";
+	inline-signing yes;
+        dnssec-policy "ed25519";
+};
diff --git a/bin/tests/system/kasp/ns3/ed448.conf b/bin/tests/system/kasp/ns3/ed448.conf
new file mode 100644
index 0000000..e9c8312
--- /dev/null
+++ b/bin/tests/system/kasp/ns3/ed448.conf
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "ed448" {
+        dnskey-ttl 1234;
+
+        keys {
+                ksk key-directory lifetime P10Y algorithm 16;
+                zsk key-directory lifetime P5Y  algorithm 16;
+                zsk key-directory lifetime P1Y  algorithm 16 456;
+        };
+};
+
+zone "ed448.kasp" {
+        type primary;
+        file "ed448.kasp.db";
+	inline-signing yes;
+        dnssec-policy "ed448";
+};
diff --git a/bin/tests/system/kasp/ns3/named-fips.conf.in b/bin/tests/system/kasp/ns3/named-fips.conf.in
new file mode 100644
index 0000000..a6e8b3a
--- /dev/null
+++ b/bin/tests/system/kasp/ns3/named-fips.conf.in
@@ -0,0 +1,520 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+include "policies/kasp.conf";
+include "policies/autosign.conf";
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	dnssec-policy "rsasha256";
+	dnssec-validation no;
+};
+
+key rndc_key {
+        secret "1234abcd8765";
+        algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+        inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+/* Zones that are getting initially signed */
+
+/* The default case: No keys created, using default policy. */
+zone "default.kasp" {
+	type primary;
+	file "default.kasp.db";
+	inline-signing yes;
+	dnssec-policy "default";
+};
+
+/* checkds: Zone with one KSK. */
+zone "checkds-ksk.kasp" {
+	type primary;
+	file "checkds-ksk.kasp.db";
+	inline-signing yes;
+	dnssec-policy "checkds-ksk";
+};
+
+/* checkds: Zone with two KSKs. */
+zone "checkds-doubleksk.kasp" {
+	type primary;
+	file "checkds-doubleksk.kasp.db";
+	inline-signing yes;
+	dnssec-policy "checkds-doubleksk";
+};
+
+/* checkds: Zone with one CSK. */
+zone "checkds-csk.kasp" {
+	type primary;
+	file "checkds-csk.kasp.db";
+	inline-signing yes;
+	dnssec-policy "checkds-csk";
+};
+
+/* Key lifetime unlimited. */
+zone "unlimited.kasp" {
+	type primary;
+	file "unlimited.kasp.db";
+	inline-signing yes;
+	dnssec-policy "unlimited";
+};
+
+/* Manual rollover. */
+zone "manual-rollover.kasp" {
+	type primary;
+	file "manual-rollover.kasp.db";
+	inline-signing yes;
+	dnssec-policy "manual-rollover";
+};
+
+/* A zone that inherits dnssec-policy. */
+zone "inherit.kasp" {
+	type primary;
+	inline-signing yes;
+	file "inherit.kasp.db";
+};
+
+/* A zone that overrides dnssec-policy. */
+zone "unsigned.kasp" {
+	type primary;
+	file "unsigned.kasp.db";
+	inline-signing yes;
+	dnssec-policy "none";
+};
+
+/* A zone that is initially set to insecure. */
+zone "insecure.kasp" {
+	type primary;
+	file "insecure.kasp.db";
+	inline-signing yes;
+	dnssec-policy "insecure";
+};
+
+/* A primary zone with dnssec-policy but keys already created. */
+zone "dnssec-keygen.kasp" {
+	type primary;
+	file "dnssec-keygen.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha256";
+};
+
+/* A secondary zone with dnssec-policy. */
+zone "secondary.kasp" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "secondary.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha256";
+};
+
+/* A dynamic zone with dnssec-policy. */
+zone "dynamic.kasp" {
+	type primary;
+	file "dynamic.kasp.db";
+	dnssec-policy "default";
+	allow-update { any; };
+};
+
+/* A dynamic inline-signed zone with dnssec-policy. */
+zone "dynamic-inline-signing.kasp" {
+	type primary;
+	file "dynamic-inline-signing.kasp.db";
+	dnssec-policy "default";
+	allow-update { any; };
+	inline-signing yes;
+};
+
+/* An inline-signed zone with dnssec-policy. */
+zone "inline-signing.kasp" {
+	type primary;
+	file "inline-signing.kasp.db";
+	dnssec-policy "default";
+	inline-signing yes;
+};
+
+/*
+ * A configured dnssec-policy but some keys already created.
+ */
+zone "some-keys.kasp" {
+	type primary;
+	file "some-keys.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha256";
+};
+
+/*
+ * A configured dnssec-policy but some keys already in use.
+ */
+zone "legacy-keys.kasp" {
+	type primary;
+	file "legacy-keys.kasp.db";
+	inline-signing yes;
+	dnssec-policy "migrate-to-dnssec-policy";
+};
+
+/*
+ * A configured dnssec-policy with (too) many keys pregenerated.
+ */
+zone "pregenerated.kasp" {
+	type primary;
+	file "pregenerated.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha256";
+};
+
+/*
+ * A configured dnssec-policy with one rumoured key.
+ * Bugfix case for GL #1593.
+ */
+zone "rumoured.kasp" {
+	type primary;
+	file "rumoured.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha256";
+};
+
+/* RFC 8901 Multi-signer Model 2. */
+zone "multisigner-model2.kasp" {
+	type primary;
+	file "multisigner-model2.kasp.db";
+	dnssec-policy "multisigner-model2";
+	allow-update { any; };
+};
+
+/*
+ * Different algorithms.
+ */
+zone "rsasha256.kasp" {
+	type primary;
+	file "rsasha256.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha256";
+};
+zone "rsasha512.kasp" {
+	type primary;
+	file "rsasha512.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha512";
+};
+zone "ecdsa256.kasp" {
+	type primary;
+	file "ecdsa256.kasp.db";
+	inline-signing yes;
+	dnssec-policy "ecdsa256";
+};
+zone "ecdsa384.kasp" {
+	type primary;
+	file "ecdsa384.kasp.db";
+	inline-signing yes;
+	dnssec-policy "ecdsa384";
+};
+
+/*
+ * Zone with too high TTL.
+ */
+zone "max-zone-ttl.kasp" {
+	type primary;
+	file "max-zone-ttl.kasp.db";
+	inline-signing yes;
+	dnssec-policy "ttl";
+};
+
+/*
+ * Zone for testing GL #2375: Three is a crowd.
+ */
+zone "three-is-a-crowd.kasp" {
+	type primary;
+	file "three-is-a-crowd.kasp.db";
+	inline-signing yes;
+	/* Use same policy as KSK rollover test zones. */
+	dnssec-policy "ksk-doubleksk";
+};
+
+/*
+ * Zones in different signing states.
+ */
+
+/*
+ * Zone that has expired signatures.
+ */
+zone "expired-sigs.autosign" {
+	type primary;
+	file "expired-sigs.autosign.db";
+	inline-signing yes;
+	dnssec-policy "autosign";
+};
+
+/*
+ * Zone that has valid, fresh signatures.
+ */
+zone "fresh-sigs.autosign" {
+	type primary;
+	file "fresh-sigs.autosign.db";
+	inline-signing yes;
+	dnssec-policy "autosign";
+};
+
+/*
+ * Zone that has unfresh signatures.
+ */
+zone "unfresh-sigs.autosign" {
+	type primary;
+	file "unfresh-sigs.autosign.db";
+	inline-signing yes;
+	dnssec-policy "autosign";
+};
+
+/*
+ * Zone that has missing private KSK.
+ */
+zone "ksk-missing.autosign" {
+	type primary;
+	file "ksk-missing.autosign.db";
+	inline-signing yes;
+	dnssec-policy "autosign";
+};
+
+/*
+ * Zone that has missing private ZSK.
+ */
+zone "zsk-missing.autosign" {
+	type primary;
+	file "zsk-missing.autosign.db";
+	inline-signing yes;
+	dnssec-policy "autosign";
+};
+
+/*
+ * Zone that has inactive ZSK.
+ */
+zone "zsk-retired.autosign" {
+	type primary;
+	file "zsk-retired.autosign.db";
+	inline-signing yes;
+	dnssec-policy "autosign";
+};
+
+/*
+ * Zones for testing enabling DNSSEC.
+ */
+zone "step1.enable-dnssec.autosign" {
+	type primary;
+	file "step1.enable-dnssec.autosign.db";
+	inline-signing yes;
+	dnssec-policy "enable-dnssec";
+};
+zone "step2.enable-dnssec.autosign" {
+	type primary;
+	file "step2.enable-dnssec.autosign.db";
+	inline-signing yes;
+	dnssec-policy "enable-dnssec";
+};
+zone "step3.enable-dnssec.autosign" {
+	type primary;
+	file "step3.enable-dnssec.autosign.db";
+	inline-signing yes;
+	dnssec-policy "enable-dnssec";
+};
+zone "step4.enable-dnssec.autosign" {
+	type primary;
+	file "step4.enable-dnssec.autosign.db";
+	inline-signing yes;
+	dnssec-policy "enable-dnssec";
+};
+
+/*
+ * Zones for testing ZSK Pre-Publication steps.
+ */
+zone "step1.zsk-prepub.autosign" {
+	type primary;
+	file "step1.zsk-prepub.autosign.db";
+	inline-signing yes;
+	dnssec-policy "zsk-prepub";
+};
+zone "step2.zsk-prepub.autosign" {
+	type primary;
+	file "step2.zsk-prepub.autosign.db";
+	inline-signing yes;
+	dnssec-policy "zsk-prepub";
+};
+zone "step3.zsk-prepub.autosign" {
+	type primary;
+	file "step3.zsk-prepub.autosign.db";
+	inline-signing yes;
+	dnssec-policy "zsk-prepub";
+};
+zone "step4.zsk-prepub.autosign" {
+	type primary;
+	file "step4.zsk-prepub.autosign.db";
+	inline-signing yes;
+	dnssec-policy "zsk-prepub";
+};
+zone "step5.zsk-prepub.autosign" {
+	type primary;
+	file "step5.zsk-prepub.autosign.db";
+	inline-signing yes;
+	dnssec-policy "zsk-prepub";
+};
+zone "step6.zsk-prepub.autosign" {
+	type primary;
+	file "step6.zsk-prepub.autosign.db";
+	inline-signing yes;
+	dnssec-policy "zsk-prepub";
+};
+
+/*
+ * Zones for testing KSK Double-KSK steps.
+ */
+zone "step1.ksk-doubleksk.autosign" {
+	type primary;
+	file "step1.ksk-doubleksk.autosign.db";
+	inline-signing yes;
+	dnssec-policy "ksk-doubleksk";
+};
+zone "step2.ksk-doubleksk.autosign" {
+	type primary;
+	file "step2.ksk-doubleksk.autosign.db";
+	inline-signing yes;
+	dnssec-policy "ksk-doubleksk";
+};
+zone "step3.ksk-doubleksk.autosign" {
+	type primary;
+	file "step3.ksk-doubleksk.autosign.db";
+	inline-signing yes;
+	dnssec-policy "ksk-doubleksk";
+};
+zone "step4.ksk-doubleksk.autosign" {
+	type primary;
+	file "step4.ksk-doubleksk.autosign.db";
+	inline-signing yes;
+	dnssec-policy "ksk-doubleksk";
+};
+zone "step5.ksk-doubleksk.autosign" {
+	type primary;
+	file "step5.ksk-doubleksk.autosign.db";
+	inline-signing yes;
+	dnssec-policy "ksk-doubleksk";
+};
+zone "step6.ksk-doubleksk.autosign" {
+	type primary;
+	file "step6.ksk-doubleksk.autosign.db";
+	inline-signing yes;
+	dnssec-policy "ksk-doubleksk";
+};
+
+/*
+ * Zones for testing CSK rollover steps.
+ */
+zone "step1.csk-roll.autosign" {
+	type primary;
+	file "step1.csk-roll.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll";
+};
+zone "step2.csk-roll.autosign" {
+	type primary;
+	file "step2.csk-roll.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll";
+};
+zone "step3.csk-roll.autosign" {
+	type primary;
+	file "step3.csk-roll.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll";
+};
+zone "step4.csk-roll.autosign" {
+	type primary;
+	file "step4.csk-roll.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll";
+};
+zone "step5.csk-roll.autosign" {
+	type primary;
+	file "step5.csk-roll.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll";
+};
+zone "step6.csk-roll.autosign" {
+	type primary;
+	file "step6.csk-roll.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll";
+};
+zone "step7.csk-roll.autosign" {
+	type primary;
+	file "step7.csk-roll.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll";
+};
+zone "step8.csk-roll.autosign" {
+	type primary;
+	file "step8.csk-roll.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll";
+};
+
+zone "step1.csk-roll2.autosign" {
+	type primary;
+	file "step1.csk-roll2.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll2";
+};
+zone "step2.csk-roll2.autosign" {
+	type primary;
+	file "step2.csk-roll2.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll2";
+};
+zone "step3.csk-roll2.autosign" {
+	type primary;
+	file "step3.csk-roll2.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll2";
+};
+zone "step4.csk-roll2.autosign" {
+	type primary;
+	file "step4.csk-roll2.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll2";
+};
+zone "step5.csk-roll2.autosign" {
+	type primary;
+	file "step5.csk-roll2.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll2";
+};
+zone "step6.csk-roll2.autosign" {
+	type primary;
+	file "step6.csk-roll2.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll2";
+};
+zone "step7.csk-roll2.autosign" {
+	type primary;
+	file "step7.csk-roll2.autosign.db";
+	inline-signing yes;
+	dnssec-policy "csk-roll2";
+};
diff --git a/bin/tests/system/kasp/ns3/named.conf.in b/bin/tests/system/kasp/ns3/named.conf.in
new file mode 100644
index 0000000..92e007d
--- /dev/null
+++ b/bin/tests/system/kasp/ns3/named.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+include "named-fips.conf";
+
+zone "rsasha1.kasp" {
+	type primary;
+	file "rsasha1.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha1";
+};
+
+zone "rsasha1-nsec3.kasp" {
+	type primary;
+	file "rsasha1-nsec3.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha1-nsec3";
+};
diff --git a/bin/tests/system/kasp/ns3/policies/autosign.conf.in b/bin/tests/system/kasp/ns3/policies/autosign.conf.in
new file mode 100644
index 0000000..5564ec5
--- /dev/null
+++ b/bin/tests/system/kasp/ns3/policies/autosign.conf.in
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "autosign" {
+
+	signatures-refresh P1W;
+	signatures-validity P2W;
+	signatures-validity-dnskey P2W;
+
+	dnskey-ttl 300;
+
+	keys {
+		ksk key-directory lifetime P2Y algorithm @DEFAULT_ALGORITHM@;
+		zsk key-directory lifetime P1Y algorithm @DEFAULT_ALGORITHM@;
+	};
+};
+
+dnssec-policy "enable-dnssec" {
+
+	signatures-refresh P1W;
+	signatures-validity P2W;
+	signatures-validity-dnskey P2W;
+
+	dnskey-ttl 300;
+	max-zone-ttl PT12H;
+	zone-propagation-delay PT5M;
+	retire-safety PT20M;
+	publish-safety PT5M;
+
+	parent-propagation-delay 1h;
+	parent-ds-ttl 2h;
+
+	keys {
+		csk lifetime unlimited algorithm @DEFAULT_ALGORITHM_NUMBER@;
+	};
+};
+
+dnssec-policy "zsk-prepub" {
+
+	signatures-refresh P1W;
+	signatures-validity P2W;
+	signatures-validity-dnskey P2W;
+
+	dnskey-ttl 3600;
+	publish-safety P1D;
+	retire-safety P2D;
+	purge-keys PT1H;
+
+	keys {
+		ksk key-directory lifetime P2Y  algorithm @DEFAULT_ALGORITHM@;
+		zsk key-directory lifetime P30D algorithm @DEFAULT_ALGORITHM@;
+	};
+
+	zone-propagation-delay PT1H;
+	max-zone-ttl 1d;
+};
+
+dnssec-policy "ksk-doubleksk" {
+
+	signatures-refresh P1W;
+	signatures-validity P2W;
+	signatures-validity-dnskey P2W;
+
+	dnskey-ttl 2h;
+	publish-safety P1D;
+	retire-safety P2D;
+	purge-keys PT1H;
+
+	keys {
+		ksk key-directory lifetime P60D algorithm @DEFAULT_ALGORITHM@;
+		zsk key-directory lifetime P1Y  algorithm @DEFAULT_ALGORITHM@;
+	};
+
+	zone-propagation-delay PT1H;
+	max-zone-ttl 1d;
+
+	parent-ds-ttl 3600;
+	parent-propagation-delay PT1H;
+};
+
+dnssec-policy "csk-roll" {
+
+	signatures-refresh P5D;
+	signatures-validity 30d;
+	signatures-validity-dnskey 30d;
+
+	dnskey-ttl 1h;
+	publish-safety PT1H;
+	retire-safety 2h;
+	purge-keys PT1H;
+
+	keys {
+		csk key-directory lifetime P6M algorithm @DEFAULT_ALGORITHM@;
+	};
+
+	zone-propagation-delay 1h;
+	max-zone-ttl P1D;
+
+	parent-ds-ttl 1h;
+	parent-propagation-delay 1h;
+};
+
+dnssec-policy "csk-roll2" {
+
+	signatures-refresh 12h;
+	signatures-validity P1D;
+	signatures-validity-dnskey P1D;
+
+	dnskey-ttl 1h;
+	publish-safety PT1H;
+	retire-safety 1h;
+	purge-keys 0;
+
+	keys {
+		csk key-directory lifetime P6M algorithm @DEFAULT_ALGORITHM@;
+	};
+
+	zone-propagation-delay PT1H;
+	max-zone-ttl 1d;
+
+	parent-ds-ttl PT1H;
+	parent-propagation-delay P1W;
+};
diff --git a/bin/tests/system/kasp/ns3/policies/kasp-fips.conf.in b/bin/tests/system/kasp/ns3/policies/kasp-fips.conf.in
new file mode 100644
index 0000000..90a92a2
--- /dev/null
+++ b/bin/tests/system/kasp/ns3/policies/kasp-fips.conf.in
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "unlimited" {
+	dnskey-ttl 1234;
+
+	keys {
+		csk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+	};
+};
+
+dnssec-policy "manual-rollover" {
+	dnskey-ttl 3600;
+
+	keys {
+		ksk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+		zsk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+	};
+};
+
+dnssec-policy "multisigner-model2" {
+	dnskey-ttl 3600;
+
+	keys {
+		ksk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+		zsk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+	};
+};
+
+dnssec-policy "migrate-to-dnssec-policy" {
+	dnskey-ttl 1234;
+
+	keys {
+		ksk key-directory lifetime P6M algorithm 8;
+		zsk key-directory lifetime P6M algorithm 8;
+	};
+};
+
+dnssec-policy "rsasha256" {
+	dnskey-ttl 1234;
+
+	keys {
+		ksk key-directory lifetime P10Y algorithm 8;
+		zsk key-directory lifetime P5Y  algorithm 8;
+		zsk key-directory lifetime P1Y  algorithm 8 3072;
+	};
+};
+
+dnssec-policy "rsasha512" {
+	dnskey-ttl 1234;
+
+	keys {
+		ksk key-directory lifetime P10Y algorithm 10;
+		zsk key-directory lifetime P5Y  algorithm 10;
+		zsk key-directory lifetime P1Y  algorithm 10 3072;
+	};
+};
+
+dnssec-policy "ecdsa256" {
+	dnskey-ttl 1234;
+
+	keys {
+		ksk key-directory lifetime P10Y algorithm 13;
+		zsk key-directory lifetime P5Y  algorithm 13;
+		zsk key-directory lifetime P1Y  algorithm 13 256;
+	};
+};
+
+dnssec-policy "ecdsa384" {
+	dnskey-ttl 1234;
+
+	keys {
+		ksk key-directory lifetime P10Y algorithm 14;
+		zsk key-directory lifetime P5Y  algorithm 14;
+		zsk key-directory lifetime P1Y  algorithm 14 384;
+	};
+};
+
+dnssec-policy "checkds-ksk" {
+	dnskey-ttl 303;
+
+	keys {
+		ksk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+		zsk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+	};
+};
+
+dnssec-policy "checkds-doubleksk" {
+	dnskey-ttl 303;
+
+	keys {
+		ksk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+		ksk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+		zsk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+	};
+};
+
+dnssec-policy "checkds-csk" {
+	dnskey-ttl 303;
+
+	keys {
+		csk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+	};
+};
+
+dnssec-policy "ttl" {
+	max-zone-ttl 299;
+};
diff --git a/bin/tests/system/kasp/ns3/policies/kasp.conf.in b/bin/tests/system/kasp/ns3/policies/kasp.conf.in
new file mode 100644
index 0000000..cb045bc
--- /dev/null
+++ b/bin/tests/system/kasp/ns3/policies/kasp.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "policies/kasp-fips.conf";
+
+dnssec-policy "rsasha1" {
+	dnskey-ttl 1234;
+
+	keys {
+		ksk key-directory lifetime P10Y algorithm 5;
+		zsk key-directory lifetime P5Y  algorithm 5;
+		zsk key-directory lifetime P1Y  algorithm 5 2000;
+	};
+};
+
+dnssec-policy "rsasha1-nsec3" {
+	dnskey-ttl 1234;
+
+	keys {
+		ksk key-directory lifetime P10Y algorithm 7;
+		zsk key-directory lifetime P5Y  algorithm 7;
+		zsk key-directory lifetime P1Y  algorithm 7 2000;
+	};
+};
diff --git a/bin/tests/system/kasp/ns3/setup.sh b/bin/tests/system/kasp/ns3/setup.sh
new file mode 100644
index 0000000..8af40ed
--- /dev/null
+++ b/bin/tests/system/kasp/ns3/setup.sh
@@ -0,0 +1,1470 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns3/setup.sh"
+
+setup() {
+	zone="$1"
+	echo_i "setting up zone: $zone"
+	zonefile="${zone}.db"
+	infile="${zone}.db.infile"
+	echo "$zone" >> zones
+}
+
+# Set in the key state files the Predecessor/Successor fields.
+# Key $1 is the predecessor of key $2.
+key_successor() {
+	id1=$(keyfile_to_key_id "$1")
+	id2=$(keyfile_to_key_id "$2")
+	echo "Predecessor: ${id1}" >> "${2}.state"
+	echo "Successor: ${id2}" >> "${1}.state"
+}
+
+# Make lines shorter by storing key states in environment variables.
+H="HIDDEN"
+R="RUMOURED"
+O="OMNIPRESENT"
+U="UNRETENTIVE"
+
+#
+# Set up zones that will be initially signed.
+#
+for zn in default dnssec-keygen some-keys legacy-keys pregenerated \
+	  rumoured rsasha256 rsasha512 ecdsa256 ecdsa384 \
+	  dynamic dynamic-inline-signing inline-signing \
+	  checkds-ksk checkds-doubleksk checkds-csk inherit unlimited \
+	  manual-rollover multisigner-model2
+do
+	setup "${zn}.kasp"
+	cp template.db.in "$zonefile"
+done
+
+#
+# Set up RSASHA1 based zones
+#
+for zn in rsasha1 rsasha1-nsec3
+do
+	if (cd ..; $SHELL ../testcrypto.sh -q RSASHA1)
+	then
+		setup "${zn}.kasp"
+		cp template.db.in "$zonefile"
+	else
+		# don't add to zones.
+		echo_i "setting up zone: ${zn}.kasp"
+		cp template.db.in "${zn}.kasp.db"
+	fi
+done
+
+if [ -f ../ed25519-supported.file ]; then
+	setup "ed25519.kasp"
+	cp template.db.in "$zonefile"
+	cat ed25519.conf >> named.conf
+fi
+
+if [ -f ../ed448-supported.file ]; then
+	setup "ed448.kasp"
+	cp template.db.in "$zonefile"
+	cat ed448.conf >> named.conf
+fi
+
+# Set up zones that stay unsigned.
+for zn in unsigned insecure max-zone-ttl
+do
+	zone="${zn}.kasp"
+	echo_i "setting up zone: $zone"
+	zonefile="${zone}.db"
+	infile="${zone}.db.infile"
+	cp template.db.in $infile
+	cp template.db.in $zonefile
+done
+
+# Some of these zones already have keys.
+zone="dnssec-keygen.kasp"
+echo_i "setting up zone: $zone"
+$KEYGEN -k rsasha256 -l policies/kasp.conf $zone > keygen.out.$zone.1 2>&1
+
+zone="some-keys.kasp"
+echo_i "setting up zone: $zone"
+$KEYGEN -G -a RSASHA256 -b 2048 -L 1234 $zone > keygen.out.$zone.1 2>&1
+$KEYGEN -G -a RSASHA256 -f KSK  -L 1234 $zone > keygen.out.$zone.2 2>&1
+
+zone="legacy-keys.kasp"
+echo_i "setting up zone: $zone"
+ZSK=$($KEYGEN -a RSASHA256 -b 2048 -L 1234 $zone 2> keygen.out.$zone.1)
+KSK=$($KEYGEN -a RSASHA256 -f KSK  -L 1234 $zone 2> keygen.out.$zone.2)
+echo $ZSK > legacy-keys.kasp.zsk
+echo $KSK > legacy-keys.kasp.ksk
+# Predecessor keys:
+Tact="now-9mo"
+Tret="now-3mo"
+ZSK=$($KEYGEN -a RSASHA256 -b 2048 -L 1234 $zone 2> keygen.out.$zone.3)
+KSK=$($KEYGEN -a RSASHA256 -f KSK  -L 1234 $zone 2> keygen.out.$zone.4)
+$SETTIME -P $Tact -A $Tact -I $Tret -D $Tret "$ZSK"  > settime.out.$zone.1 2>&1
+$SETTIME -P $Tact -A $Tact -I $Tret -D $Tret "$KSK"  > settime.out.$zone.2 2>&1
+
+zone="pregenerated.kasp"
+echo_i "setting up zone: $zone"
+$KEYGEN -G -k rsasha256 -l policies/kasp.conf $zone > keygen.out.$zone.1 2>&1
+$KEYGEN -G -k rsasha256 -l policies/kasp.conf $zone > keygen.out.$zone.2 2>&1
+
+zone="multisigner-model2.kasp"
+echo_i "setting up zone: $zone"
+# Import the ZSK sets of the other providers into their DNSKEY RRset.
+ZSK1=$($KEYGEN -K ../ -a $DEFAULT_ALGORITHM -L 3600 $zone 2> keygen.out.$zone.1)
+ZSK2=$($KEYGEN -K ../ -a $DEFAULT_ALGORITHM -L 3600 $zone 2> keygen.out.$zone.2)
+# ZSK1 will be added to the unsigned zonefile.
+cat "../${ZSK1}.key" | grep -v ";.*" >> "${zone}.db"
+cat "../${ZSK1}.key" | grep -v ";.*" > "${zone}.zsk1"
+rm -f "../${ZSK1}.*"
+# ZSK2 will be used with a Dynamic Update.
+cat "../${ZSK2}.key" | grep -v ";.*" > "${zone}.zsk2"
+rm -f "../${ZSK2}.*"
+
+zone="rumoured.kasp"
+echo_i "setting up zone: $zone"
+Tpub="now"
+Tact="now+1d"
+keytimes="-P ${Tpub} -A ${Tact}"
+KSK=$($KEYGEN  -a RSASHA256 -f KSK  -L 1234 $keytimes $zone 2> keygen.out.$zone.1)
+ZSK1=$($KEYGEN -a RSASHA256 -b 3072 -L 1234 $keytimes $zone 2> keygen.out.$zone.2)
+ZSK2=$($KEYGEN -a RSASHA256         -L 1234 $keytimes $zone 2> keygen.out.$zone.3)
+$SETTIME -s -g $O -k $R $Tpub -r $R $Tpub -d $H $Tpub  "$KSK"  > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $R $Tpub -z $R $Tpub              "$ZSK1" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $R $Tpub -z $R $Tpub              "$ZSK2" > settime.out.$zone.2 2>&1
+
+#
+# Set up zones that are already signed.
+#
+
+# Zone to test manual rollover.
+setup manual-rollover.kasp
+T="now-1d"
+ksktimes="-P $T -A $T -P sync $T"
+zsktimes="-P $T -A $T"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -d $O $T -k $O $T -r $O $T "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $T -z $O $T          "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -PS -x -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# These signatures are set to expire long in the past, update immediately.
+setup expired-sigs.autosign
+T="now-6mo"
+ksktimes="-P $T -A $T -P sync $T"
+zsktimes="-P $T -A $T"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -d $O $T -k $O $T -r $O $T "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $T -z $O $T          "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -PS -x -s now-2mo -e now-1mo -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# These signatures are still good, and can be reused.
+setup fresh-sigs.autosign
+T="now-6mo"
+ksktimes="-P $T -A $T -P sync $T"
+zsktimes="-P $T -A $T"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -d $O $T -k $O $T -r $O $T "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $T -z $O $T          "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# These signatures are still good, but not fresh enough, update immediately.
+setup unfresh-sigs.autosign
+T="now-6mo"
+ksktimes="-P $T -A $T -P sync $T"
+zsktimes="-P $T -A $T"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -d $O $T -k $O $T -r $O $T "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $T -z $O $T          "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1w -e now+1w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# These signatures are still good, but the private KSK is missing.
+setup ksk-missing.autosign
+T="now-6mo"
+ksktimes="-P $T -A $T -P sync $T"
+zsktimes="-P $T -A $T"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -d $O $T -k $O $T -r $O $T "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $T -z $O $T          "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1w -e now+1w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+echo "KSK: yes" >> "${KSK}".state
+echo "ZSK: no" >> "${KSK}".state
+echo "Lifetime: 63072000" >> "${KSK}".state # PT2Y
+rm -f "${KSK}".private
+
+# These signatures are still good, but the private ZSK is missing.
+setup zsk-missing.autosign
+T="now-6mo"
+ksktimes="-P $T -A $T -P sync $T"
+zsktimes="-P $T -A $T"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -d $O $T -k $O $T -r $O $T "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $T -z $O $T          "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1w -e now+1w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+echo "KSK: no" >> "${ZSK}".state
+echo "ZSK: yes" >> "${ZSK}".state
+echo "Lifetime: 31536000" >> "${ZSK}".state # PT1Y
+rm -f "${ZSK}".private
+
+# These signatures are already expired, and the private ZSK is retired.
+setup zsk-retired.autosign
+T="now-6mo"
+ksktimes="-P $T -A $T -P sync $T"
+zsktimes="-P $T -A $T -I now"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -d $O $T -k $O $T -r $O $T "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $T -z $O $T          "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -PS -x -s now-2w -e now-1mi -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+$SETTIME -s -g HIDDEN "$ZSK" > settime.out.$zone.3 2>&1
+
+#
+# The zones at enable-dnssec.autosign represent the various steps of the
+# initial signing of a zone.
+#
+
+# Step 1:
+# This is an unsigned zone and named should perform the initial steps of
+# introducing the DNSSEC records in the right order.
+setup step1.enable-dnssec.autosign
+cp template.db.in $zonefile
+
+# Step 2:
+# The DNSKEY has been published long enough to become OMNIPRESENT.
+setup step2.enable-dnssec.autosign
+# DNSKEY TTL:             300 seconds
+# zone-propagation-delay: 5 minutes (300 seconds)
+# publish-safety:         5 minutes (300 seconds)
+# Total:                  900 seconds
+TpubN="now-900s"
+# RRSIG TTL:              12 hour (43200 seconds)
+# zone-propagation-delay: 5 minutes (300 seconds)
+# retire-safety:          20 minutes (1200 seconds)
+# Already passed time:    -900 seconds
+# Total:                  43800 seconds
+TsbmN="now+43800s"
+keytimes="-P ${TpubN} -P sync ${TsbmN} -A ${TpubN}"
+CSK=$($KEYGEN -k enable-dnssec -l policies/autosign.conf $keytimes $zone 2> keygen.out.$zone.1)
+$SETTIME -s -g $O -k $R $TpubN -r $R $TpubN -d $H $TpubN -z $R $TpubN "$CSK" > settime.out.$zone.1 2>&1
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 3:
+# The zone signatures have been published long enough to become OMNIPRESENT.
+setup step3.enable-dnssec.autosign
+# Passed time since publications: 43800 + 900 = 44700 seconds.
+TpubN="now-44700s"
+# The key is secure for using in chain of trust when the DNSKEY is OMNIPRESENT.
+TcotN="now-43800s"
+# We can submit the DS now.
+TsbmN="now"
+keytimes="-P ${TpubN} -P sync ${TsbmN} -A ${TpubN}"
+CSK=$($KEYGEN -k enable-dnssec -l policies/autosign.conf $keytimes $zone 2> keygen.out.$zone.1)
+$SETTIME -s -g $O -k $O $TcotN -r $O $TcotN -d $H $TpubN -z $R $TpubN "$CSK" > settime.out.$zone.1 2>&1
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 4:
+# The DS has been submitted long enough ago to become OMNIPRESENT.
+setup step4.enable-dnssec.autosign
+# DS TTL:                    2 hour (7200 seconds)
+# parent-propagation-delay:  1 hour (3600 seconds)
+# retire-safety:             20 minutes (1200 seconds)
+# Total aditional time:      12000 seconds
+# 44700 + 12000 = 56700
+TpubN="now-56700s"
+# 43800 + 12000 = 55800
+TcotN="now-55800s"
+TsbmN="now-12000s"
+keytimes="-P ${TpubN} -P sync ${TsbmN} -A ${TpubN}"
+CSK=$($KEYGEN -k enable-dnssec -l policies/autosign.conf $keytimes $zone 2> keygen.out.$zone.1)
+$SETTIME -s -g $O -P ds $TsbmN -k $O $TcotN -r $O $TcotN -d $R $TsbmN -z $O $TsbmN "$CSK" > settime.out.$zone.1 2>&1
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+setup step4.enable-dnssec.autosign
+
+#
+# The zones at zsk-prepub.autosign represent the various steps of a ZSK
+# Pre-Publication rollover.
+#
+
+# Step 1:
+# Introduce the first key. This will immediately be active.
+setup step1.zsk-prepub.autosign
+TactN="now"
+ksktimes="-P ${TactN} -A ${TactN} -P sync ${TactN}"
+zsktimes="-P ${TactN} -A ${TactN}"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -k $O $TactN -r $O $TactN -d $O $TactN "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TactN -z $O $TactN              "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 2:
+# It is time to pre-publish the successor ZSK.
+setup step2.zsk-prepub.autosign
+# According to RFC 7583:
+#
+# Tpub(N+1) <= Tact(N) + Lzsk - Ipub
+# Ipub = Dprp + TTLkey (+publish-safety)
+#
+#                 |3|   |4|      |5|  |6|
+#                  |     |        |    |
+#   Key N          |<-------Lzsk------>|
+#                  |     |        |    |
+#   Key N+1        |     |<-Ipub->|<-->|
+#                  |     |        |    |
+#   Key N         Tact
+#   Key N+1             Tpub     Trdy Tact
+#
+#                       Tnow
+#
+# Lzsk:           30d
+# Dprp:           1h
+# TTLkey:         1h
+# publish-safety: 1d
+# Ipub:           26h
+#
+# Tact(N) = Tnow + Ipub - Lzsk = now + 26h - 30d
+#         = now + 26h - 30d = now − 694h
+TactN="now-694h"
+ksktimes="-P ${TactN} -A ${TactN} -P sync ${TactN}"
+zsktimes="-P ${TactN} -A ${TactN}"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -k $O $TactN -r $O $TactN -d $O $TactN "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TactN -z $O $TactN              "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 3:
+# After the publication interval has passed the DNSKEY of the successor ZSK
+# is OMNIPRESENT and the zone can thus be signed with the successor ZSK.
+setup step3.zsk-prepub.autosign
+# According to RFC 7583:
+#
+# Tpub(N+1) <= Tact(N) + Lzsk - Ipub
+# Tret(N) = Tact(N+1) = Tact(N) + Lzsk
+# Trem(N) = Tret(N) + Iret
+# Iret = Dsgn + Dprp + TTLsig (+retire-safety)
+#
+#                 |3|   |4|      |5|  |6|      |7|   |8|
+#                  |     |        |    |        |     |
+#   Key N          |<-------Lzsk------>|<-Iret->|<--->|
+#                  |     |        |    |        |     |
+#   Key N+1        |     |<-Ipub->|<-->|<---Lzsk---- - -
+#                  |     |        |    |        |     |
+#   Key N         Tact                Tret     Tdea  Trem
+#   Key N+1             Tpub     Trdy Tact
+#
+#                                     Tnow
+#
+# Lzsk:          30d
+# Ipub:          26h
+# Dsgn:          1w
+# Dprp:          1h
+# TTLsig:        1d
+# retire-safety: 2d
+# Iret:          10d1h = 241h
+#
+# Tact(N)   = Tnow - Lzsk = now - 30d
+# Tret(N)   = now
+# Trem(N)   = Tnow + Iret = now + 241h
+# Tpub(N+1) = Tnow - Ipub = now - 26h
+# Tret(N+1) = Tnow + Lzsk = now + 30d
+# Trem(N+1) = Tnow + Lzsk + Iret = now + 30d + 241h
+#           = now + 961h
+TactN="now-30d"
+TretN="now"
+TremN="now+241h"
+TpubN1="now-26h"
+TactN1="now"
+TretN1="now+30d"
+TremN1="now+961h"
+ksktimes="-P ${TactN}  -A ${TactN}  -P sync ${TactN}"
+zsktimes="-P ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+KSK=$($KEYGEN  -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK1=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsktimes $zone 2> keygen.out.$zone.2)
+ZSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $newtimes $zone 2> keygen.out.$zone.3)
+$SETTIME -s -g $O -k $O $TactN  -r $O $TactN  -d $O $TactN "$KSK"  > settime.out.$zone.1 2>&1
+$SETTIME -s -g $H -k $O $TactN  -z $O $TactN               "$ZSK1" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $R $TpubN1 -z $H $TpubN1              "$ZSK2" > settime.out.$zone.3 2>&1
+# Set key rollover relationship.
+key_successor $ZSK1 $ZSK2
+# Sign zone.
+cat template.db.in "${KSK}.key" "${ZSK1}.key" "${ZSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK"  >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 4:
+# After the retire interval has passed the predecessor DNSKEY can be
+# removed from the zone.
+setup step4.zsk-prepub.autosign
+# According to RFC 7583:
+#
+# Tret(N) = Tact(N) + Lzsk
+# Tdea(N) = Tret(N) + Iret
+#
+#                 |3|   |4|      |5|  |6|      |7|   |8|
+#                  |     |        |    |        |     |
+#   Key N          |<-------Lzsk------>|<-Iret->|<--->|
+#                  |     |        |    |        |     |
+#   Key N+1        |     |<-Ipub->|<-->|<---Lzsk---- - -
+#                  |     |        |    |        |     |
+#   Key N         Tact                Tret     Tdea  Trem
+#   Key N+1             Tpub     Trdy Tact
+#
+#                                                    Tnow
+#
+# Lzsk: 30d
+# Ipub: 26h
+# Iret: 241h
+#
+# Tact(N)   = Tnow - Iret - Lzsk
+#           = now - 241h - 30d = now - 241h - 720h
+#           = now - 961h
+# Tret(N)   = Tnow - Iret = now - 241h
+# Trem(N)   = Tnow
+# Tpub(N+1) = Tnow - Iret - Ipub
+#           = now - 241h - 26h
+#           = now - 267h
+# Tact(N+1) = Tnow - Iret = Tret(N)
+# Tret(N+1) = Tnow - Iret + Lzsk
+#           = now - 241h + 30d = now - 241h + 720h
+#           = now + 479h
+# Trem(N+1) = Tnow + Lzsk = now + 30d
+TactN="now-961h"
+TretN="now-241h"
+TremN="now"
+TpubN1="now-267h"
+TactN1="${TretN}"
+TretN1="now+479h"
+TremN1="now+30d"
+ksktimes="-P ${TactN}  -A ${TactN}  -P sync ${TactN}"
+zsktimes="-P ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+KSK=$($KEYGEN  -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK1=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsktimes $zone 2> keygen.out.$zone.2)
+ZSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $newtimes $zone 2> keygen.out.$zone.3)
+$SETTIME -s -g $O -k $O $TactN  -r $O $TactN -d $O $TactN "$KSK"  > settime.out.$zone.1 2>&1
+$SETTIME -s -g $H -k $O $TactN  -z $U $TretN              "$ZSK1" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TactN1 -z $R $TactN1             "$ZSK2" > settime.out.$zone.3 2>&1
+# Set key rollover relationship.
+key_successor $ZSK1 $ZSK2
+# Sign zone.
+cat template.db.in "${KSK}.key" "${ZSK1}.key" "${ZSK2}.key" > "$infile"
+cp $infile $zonefile
+$SIGNER -PS -x -s now-2w -e now-1mi -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 5:
+# The predecessor DNSKEY is removed long enough that is has become HIDDEN.
+setup step5.zsk-prepub.autosign
+# Subtract DNSKEY TTL from all the times (1h).
+# Tact(N)   = now - 961h - 1h = now - 962h
+# Tret(N)   = now - 241h - 1h = now - 242h
+# Tdea(N)   = now - 2d - 1h = now - 49h
+# Trem(N)   = now - 1h
+# Tpub(N+1) = now - 267h - 1h = now - 268h
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = now + 479h - 1h = now + 478h
+# Trem(N+1) = now + 30d - 1h = now + 719h
+TactN="now-962h"
+TretN="now-242h"
+TremN="now-1h"
+TdeaN="now-49h"
+TpubN1="now-268h"
+TactN1="${TretN}"
+TretN1="now+478h"
+TremN1="now+719h"
+ksktimes="-P ${TactN}  -A ${TactN}  -P sync ${TactN}"
+zsktimes="-P ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+KSK=$($KEYGEN  -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK1=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsktimes $zone 2> keygen.out.$zone.2)
+ZSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $newtimes $zone 2> keygen.out.$zone.3)
+$SETTIME -s -g $O -k $O $TactN  -r $O $TactN -d $O $TactN "$KSK"  > settime.out.$zone.1 2>&1
+$SETTIME -s -g $H -k $U $TdeaN  -z $H $TdeaN              "$ZSK1" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TactN1 -z $O $TdeaN              "$ZSK2" > settime.out.$zone.3 2>&1
+# Set key rollover relationship.
+key_successor $ZSK1 $ZSK2
+# Sign zone.
+cat template.db.in "${KSK}.key" "${ZSK1}.key" "${ZSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK"  >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 6:
+# The predecessor DNSKEY can be purged.
+setup step6.zsk-prepub.autosign
+# Subtract purge-keys interval from all the times (1h).
+# Tact(N)   = now - 962h - 1h = now - 963h
+# Tret(N)   = now - 242h - 1h = now - 243h
+# Tdea(N)   = now - 49h - 1h = now - 50h
+# Trem(N)   = now - 1h - 1h = now - 2h
+# Tpub(N+1) = now - 268h - 1h = now - 269h
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = now + 478h - 1h = now + 477h
+# Trem(N+1) = now + 719h - 1h = now + 718h
+TactN="now-963h"
+TretN="now-243h"
+TremN="now-2h"
+TdeaN="now-50h"
+TpubN1="now-269h"
+TactN1="${TretN}"
+TretN1="now+477h"
+TremN1="now+718h"
+ksktimes="-P ${TactN}  -A ${TactN}  -P sync ${TactN}"
+zsktimes="-P ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+KSK=$($KEYGEN  -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK1=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsktimes $zone 2> keygen.out.$zone.2)
+ZSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $newtimes $zone 2> keygen.out.$zone.3)
+$SETTIME -s -g $O -k $O $TactN  -r $O $TactN -d $O $TactN "$KSK"  > settime.out.$zone.1 2>&1
+$SETTIME -s -g $H -k $H $TdeaN  -z $H $TdeaN              "$ZSK1" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TactN1 -z $O $TdeaN              "$ZSK2" > settime.out.$zone.3 2>&1
+# Set key rollover relationship.
+key_successor $ZSK1 $ZSK2
+# Sign zone.
+cat template.db.in "${KSK}.key" "${ZSK1}.key" "${ZSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK"  >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+#
+# The zones at ksk-doubleksk.autosign represent the various steps of a KSK
+# Double-KSK rollover.
+#
+
+# Step 1:
+# Introduce the first key. This will immediately be active.
+setup step1.ksk-doubleksk.autosign
+TactN="now"
+ksktimes="-P ${TactN} -A ${TactN} -P sync ${TactN}"
+zsktimes="-P ${TactN} -A ${TactN}"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -k $O $TactN -r $O $TactN -d $O $TactN "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O              -k $O $TactN -z $O $TactN "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 2:
+# It is time to submit the introduce the new KSK.
+setup step2.ksk-doubleksk.autosign
+# According to RFC 7583:
+#
+# Tpub(N+1) <= Tact(N) + Lksk - Dreg - IpubC
+# IpubC = DprpC + TTLkey (+publish-safety)
+#
+#                       |1|       |2|   |3|      |4|
+#                        |         |     |        |
+#       Key N            |<-IpubC->|<--->|<-Dreg->|<-----Lksk--- - -
+#                        |         |     |        |
+#       Key N+1          |         |     |        |
+#                        |         |     |        |
+#       Key N           Tpub      Trdy  Tsbm     Tact
+#       Key N+1
+#
+#               (continued ...)
+#
+#                   |5|       |6|   |7|      |8|      |9|    |10|
+#                    |         |     |        |        |       |
+#       Key N   - - --------------Lksk------->|<-Iret->|<----->|
+#                    |         |     |        |        |       |
+#       Key N+1      |<-IpubC->|<--->|<-Dreg->|<--------Lksk----- - -
+#                    |         |     |        |        |       |
+#       Key N                                Tret     Tdea    Trem
+#       Key N+1     Tpub      Trdy  Tsbm     Tact
+#
+#                   Tnow
+#
+# Lksk:           60d
+# Dreg:           1d
+# DprpC:          1h
+# TTLkey:         2h
+# publish-safety: 1d
+# IpubC:          27h
+#
+# Tact(N) = Tnow - Lksk + Dreg + IpubC = now - 60d + 27h
+#         = now - 1440h + 27h = now - 1413h
+TactN="now-1413h"
+ksktimes="-P ${TactN} -A ${TactN} -P sync ${TactN}"
+zsktimes="-P ${TactN} -A ${TactN}"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -k $O $TactN -r $O $TactN -d $O $TactN "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TactN -z $O $TactN              "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 3:
+# It is time to submit the DS.
+setup step3.ksk-doubleksk.autosign
+# According to RFC 7583:
+#
+# Tsbm(N+1) >= Trdy(N+1)
+# Tact(N+1) = Tsbm(N+1) + Dreg
+# Iret = DprpP + TTLds (+retire-safety)
+#
+#                   |5|       |6|   |7|      |8|      |9|    |10|
+#                    |         |     |        |        |       |
+#       Key N   - - --------------Lksk------->|<-Iret->|<----->|
+#                    |         |     |        |        |       |
+#       Key N+1      |<-IpubC->|<--->|<-Dreg->|<--------Lksk----- - -
+#                    |         |     |        |        |       |
+#       Key N                                Tret     Tdea    Trem
+#       Key N+1     Tpub      Trdy  Tsbm     Tact
+#
+#                                   Tnow
+#
+# Lksk:           60d
+# Dreg:           N/A
+# DprpP:          1h
+# TTLds:          1h
+# retire-safety:  2d
+# Iret:           50h
+# DprpC:          1h
+# TTLkey:         2h
+# publish-safety: 1d
+# IpubC:          27h
+#
+# Tact(N)    = Tnow + Lksk = now - 60d = now - 60d
+# Tret(N)    = now
+# Trem(N)    = Tnow + Iret = now + 50h
+# Tpub(N+1)  = Tnow - IpubC = now - 27h
+# Tsbm(N+1)  = now
+# Tact(N+1)  = Tret(N)
+# Tret(N+1)  = Tnow + Lksk = now + 60d
+# Trem(N+1)  = Tnow + Lksk + Iret = now + 60d + 50h
+#            = now + 1440h + 50h = 1490h
+TactN="now-60d"
+TretN="now"
+TremN="now+50h"
+TpubN1="now-27h"
+TsbmN1="now"
+TactN1="${TretN}"
+TretN1="now+60d"
+TremN1="now+1490h"
+ksktimes="-P ${TactN}  -A ${TactN}  -P sync ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -A ${TactN1} -P sync ${TsbmN1} -I ${TretN1} -D ${TremN1}"
+zsktimes="-P ${TactN}  -A ${TactN}"
+KSK1=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+KSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $newtimes $zone 2> keygen.out.$zone.2)
+ZSK=$($KEYGEN  -a $DEFAULT_ALGORITHM -L 7200        $zsktimes $zone 2> keygen.out.$zone.3)
+$SETTIME -s -g $H -k $O $TactN   -r $O $TactN  -d $O $TactN  "$KSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $R $TpubN1  -r $R $TpubN1 -d $H $TpubN1 "$KSK2" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TactN   -z $O $TactN                "$ZSK"  > settime.out.$zone.3 2>&1
+# Set key rollover relationship.
+key_successor $KSK1 $KSK2
+# Sign zone.
+cat template.db.in "${KSK1}.key" "${KSK2}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK2" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 4:
+# The DS should be swapped now.
+setup step4.ksk-doubleksk.autosign
+# According to RFC 7583:
+#
+# Tret(N)   = Tsbm(N+1)
+# Tdea(N)   = Tret(N) + Iret
+# Tact(N+1) = Tret(N)
+#
+#                   |5|       |6|   |7|      |8|      |9|    |10|
+#                    |         |     |        |        |       |
+#       Key N   - - --------------Lksk------->|<-Iret->|<----->|
+#                    |         |     |        |        |       |
+#       Key N+1      |<-IpubC->|<--->|<-Dreg->|<--------Lksk----- - -
+#                    |         |     |        |        |       |
+#       Key N                                Tret     Tdea    Trem
+#       Key N+1     Tpub      Trdy  Tsbm     Tact
+#
+#                                                             Tnow
+#
+# Lksk: 60d
+# Dreg: N/A
+# Iret: 50h
+#
+# Tact(N)   = Tnow - Lksk - Iret = now - 60d - 50h
+#           = now - 1440h - 50h = now - 1490h
+# Tret(N)   = Tnow - Iret = now - 50h
+# Trem(N)   = Tnow
+# Tpub(N+1) = Tnow - Iret - IpubC = now - 50h - 27h
+#           = now - 77h
+# Tsbm(N+1) = Tnow - Iret = now - 50h
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = Tnow + Lksk - Iret = now + 60d - 50h = now + 1390h
+# Trem(N+1) = Tnow + Lksk = now + 60d
+TactN="now-1490h"
+TretN="now-50h"
+TremN="now"
+TpubN1="now-77h"
+TsbmN1="now-50h"
+TactN1="${TretN}"
+TretN1="now+1390h"
+TremN1="now+60d"
+ksktimes="-P ${TactN}  -A ${TactN} -P sync ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -A ${TretN} -P sync ${TsbmN1} -I ${TretN1} -D ${TremN1}"
+zsktimes="-P ${TactN}  -A ${TactN}"
+KSK1=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+KSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $newtimes $zone 2> keygen.out.$zone.2)
+ZSK=$($KEYGEN  -a $DEFAULT_ALGORITHM -L 7200        $zsktimes $zone 2> keygen.out.$zone.3)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -d $U $TsbmN1 -D ds $TsbmN1 "$KSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TsbmN1 -r $O $TsbmN1 -d $R $TsbmN1 -P ds $TsbmN1 "$KSK2" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TactN  -z $O $TactN                              "$ZSK"  > settime.out.$zone.3 2>&1
+# Set key rollover relationship.
+key_successor $KSK1 $KSK2
+# Sign zone.
+cat template.db.in "${KSK1}.key" "${KSK2}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK2" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 5:
+# The predecessor DNSKEY is removed long enough that is has become HIDDEN.
+setup step5.ksk-doubleksk.autosign
+# Subtract DNSKEY TTL from all the times (2h).
+# Tact(N)   = now - 1490h - 2h = now - 1492h
+# Tret(N)   = now - 50h - 2h = now - 52h
+# Trem(N)   = now - 2h
+# Tpub(N+1) = now - 77h - 2h = now - 79h
+# Tsbm(N+1) = now - 50h - 2h = now - 52h
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = now + 1390h - 2h = now + 1388h
+# Trem(N+1) = now + 60d - 2h = now + 1442h
+TactN="now-1492h"
+TretN="now-52h"
+TremN="now-2h"
+TpubN1="now-79h"
+TsbmN1="now-52h"
+TactN1="${TretN}"
+TretN1="now+1388h"
+TremN1="now+1442h"
+ksktimes="-P ${TactN}  -A ${TactN} -P sync ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -A ${TretN} -P sync ${TsbmN1} -I ${TretN1} -D ${TremN1}"
+zsktimes="-P ${TactN}  -A ${TactN}"
+KSK1=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+KSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $newtimes $zone 2> keygen.out.$zone.2)
+ZSK=$($KEYGEN  -a $DEFAULT_ALGORITHM -L 7200        $zsktimes $zone 2> keygen.out.$zone.3)
+$SETTIME -s -g $H -k $U $TretN  -r $U $TretN  -d $H $TretN  "$KSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TactN1 -r $O $TactN1 -d $O $TactN1 "$KSK2" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TactN  -z $O $TactN                "$ZSK"  > settime.out.$zone.3 2>&1
+# Set key rollover relationship.
+key_successor $KSK1 $KSK2
+# Sign zone.
+cat template.db.in "${KSK1}.key" "${KSK2}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK2" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 6:
+# The predecessor DNSKEY can be purged.
+setup step6.ksk-doubleksk.autosign
+# Subtract purge-keys interval from all the times (1h).
+# Tact(N)   = now - 1492h - 1h = now - 1493h
+# Tret(N)   = now - 52h - 1h = now - 53h
+# Trem(N)   = now - 2h - 1h = now - 3h
+# Tpub(N+1) = now - 79h - 1h = now - 80h
+# Tsbm(N+1) = now - 52h - 1h = now - 53h
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = now + 1388h - 1h = now + 1387h
+# Trem(N+1) = now + 1442h - 1h = now + 1441h
+TactN="now-1493h"
+TretN="now-53h"
+TremN="now-3h"
+TpubN1="now-80h"
+TsbmN1="now-53h"
+TactN1="${TretN}"
+TretN1="now+1387h"
+TremN1="now+1441h"
+ksktimes="-P ${TactN}  -A ${TactN} -P sync ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -A ${TretN} -P sync ${TsbmN1} -I ${TretN1} -D ${TremN1}"
+zsktimes="-P ${TactN}  -A ${TactN}"
+KSK1=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+KSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $newtimes $zone 2> keygen.out.$zone.2)
+ZSK=$($KEYGEN  -a $DEFAULT_ALGORITHM -L 7200        $zsktimes $zone 2> keygen.out.$zone.3)
+$SETTIME -s -g $H -k $H $TretN  -r $H $TretN  -d $H $TretN  "$KSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TactN1 -r $O $TactN1 -d $O $TactN1 "$KSK2" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TactN  -z $O $TactN                "$ZSK"  > settime.out.$zone.3 2>&1
+# Set key rollover relationship.
+key_successor $KSK1 $KSK2
+# Sign zone.
+cat template.db.in "${KSK1}.key" "${KSK2}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK2" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+#
+# The zones at csk-roll.autosign represent the various steps of a CSK rollover
+# (which is essentially a ZSK Pre-Publication / KSK Double-KSK rollover).
+#
+
+# Step 1:
+# Introduce the first key. This will immediately be active.
+setup step1.csk-roll.autosign
+TactN="now"
+csktimes="-P ${TactN} -P sync ${TactN} -A ${TactN}"
+CSK=$($KEYGEN -k csk-roll -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+$SETTIME -s -g $O -k $O $TactN -r $O $TactN -d $O $TactN -z $O $TactN "$CSK" > settime.out.$zone.1 2>&1
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 2:
+# It is time to introduce the new CSK.
+setup step2.csk-roll.autosign
+# According to RFC 7583:
+# KSK: Tpub(N+1) <= Tact(N) + Lksk - IpubC
+# ZSK: Tpub(N+1) <= Tact(N) + Lzsk - Ipub
+# IpubC = DprpC + TTLkey (+publish-safety)
+# Ipub  = IpubC
+# Lcsk = Lksk = Lzsk
+#
+# Lcsk:           6mo (186d, 4464h)
+# Dreg:           N/A
+# DprpC:          1h
+# TTLkey:         1h
+# publish-safety: 1h
+# Ipub:           3h
+#
+# Tact(N) = Tnow - Lcsk + Ipub = now - 186d + 3h
+#         = now - 4464h + 3h = now - 4461h
+TactN="now-4461h"
+csktimes="-P ${TactN} -P sync ${TactN} -A ${TactN}"
+CSK=$($KEYGEN -k csk-roll -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+$SETTIME -s -g $O -k $O $TactN -r $O $TactN -d $O $TactN -z $O $TactN "$CSK" > settime.out.$zone.1 2>&1
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 3:
+# It is time to submit the DS and to roll signatures.
+setup step3.csk-roll.autosign
+# According to RFC 7583:
+#
+# Tsbm(N+1) >= Trdy(N+1)
+# KSK: Tact(N+1) = Tsbm(N+1)
+# ZSK: Tact(N+1) = Tpub(N+1) + Ipub = Tsbm(N+1)
+# KSK: Iret  = DprpP + TTLds (+retire-safety)
+# ZSK: IretZ = Dsgn + Dprp + TTLsig (+retire-safety)
+#
+# Lcsk:           186d
+# Dprp:           1h
+# DprpP:          1h
+# Dreg:           N/A
+# Dsgn:           25d
+# TTLds:          1h
+# TTLsig:         1d
+# retire-safety:  2h
+# Iret:           4h
+# IretZ:          26d3h
+# Ipub:           3h
+#
+# Tact(N)   = Tnow - Lcsk = now - 186d
+# Tret(N)   = now
+# Trem(N)   = Tnow + IretZ = now + 26d3h = now + 627h
+# Tpub(N+1) = Tnow - Ipub = now - 3h
+# Tsbm(N+1) = Tret(N)
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = Tnow + Lcsk = now + 186d = now + 186d
+# Trem(N+1) = Tnow + Lcsk + IretZ = now + 186d + 26d3h =
+#           = now + 5091h
+TactN="now-186d"
+TretN="now"
+TremN="now+627h"
+TpubN1="now-3h"
+TsbmN1="now"
+TactN1="${TretN}"
+TretN1="now+186d"
+TremN1="now+5091h"
+csktimes="-P ${TactN}  -P sync ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -P sync ${TsbmN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+CSK1=$($KEYGEN -k csk-roll -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-roll -l policies/autosign.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -d $O $TactN  -z $O $TactN  "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $R $TpubN1 -r $R $TpubN1 -d $H $TpubN1 -z $H $TpubN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Set key rollover relationship.
+key_successor $CSK1 $CSK2
+# Sign zone.
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 4:
+# Some time later all the ZRRSIG records should be from the new CSK, and the
+# DS should be swapped.  The ZRRSIG records are all replaced after IretZ
+# (which is 26d3h).  The DS is swapped after Iret (which is 4h).
+# In other words, the DS is swapped before all zone signatures are replaced.
+setup step4.csk-roll.autosign
+# According to RFC 7583:
+# Trem(N)    = Tret(N) - Iret + IretZ
+# Tnow       = Tsbm(N+1) + Iret
+#
+# Lcsk:   186d
+# Iret:   4h
+# IretZ:  26d3h
+#
+# Tact(N)   = Tnow - Iret - Lcsk = now - 4h - 186d = now - 4468h
+# Tret(N)   = Tnow - Iret = now - 4h = now - 4h
+# Trem(N)   = Tnow - Iret + IretZ = now - 4h + 26d3h
+#           = now + 623h
+# Tpub(N+1) = Tnow - Iret - IpubC = now - 4h - 3h = now - 7h
+# Tsbm(N+1) = Tret(N)
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = Tnow - Iret + Lcsk = now - 4h + 186d = now + 4460h
+# Trem(N+1) = Tnow - Iret + Lcsk + IretZ = now - 4h + 186d + 26d3h
+#	    = now + 5087h
+TactN="now-4468h"
+TretN="now-4h"
+TremN="now+623h"
+TpubN1="now-7h"
+TsbmN1="${TretN}"
+TactN1="${TretN}"
+TretN1="now+4460h"
+TremN1="now+5087h"
+csktimes="-P ${TactN}  -P sync ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -P sync ${TsbmN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+CSK1=$($KEYGEN -k csk-roll -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-roll -l policies/autosign.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -d $U $TsbmN1 -z $U $TsbmN1 -D ds $TsbmN1 "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TsbmN1 -r $O $TsbmN1 -d $R $TsbmN1 -z $R $TsbmN1 -P ds $TsbmN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Set key rollover relationship.
+key_successor $CSK1 $CSK2
+# Sign zone.
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 5:
+# After the DS is swapped in step 4, also the KRRSIG records can be removed.
+# At this time these have all become hidden.
+setup step5.csk-roll.autosign
+# Subtract DNSKEY TTL plus zone propagation delay from all the times (2h).
+# Tact(N)   = now - 4468h - 2h = now - 4470h
+# Tret(N)   = now - 4h - 2h = now - 6h
+# Trem(N)   = now + 623h - 2h = now + 621h
+# Tpub(N+1) = now - 7h - 2h = now - 9h
+# Tsbm(N+1) = Tret(N)
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = now + 4460h - 2h = now + 4458h
+# Trem(N+1) = now + 5087h - 2h = now + 5085h
+TactN="now-4470h"
+TretN="now-6h"
+TremN="now+621h"
+TpubN1="now-9h"
+TsbmN1="${TretN}"
+TactN1="${TretN}"
+TretN1="now+4458h"
+TremN1="now+5085h"
+csktimes="-P ${TactN}  -P sync ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -P sync ${TsbmN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+CSK1=$($KEYGEN -k csk-roll -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-roll -l policies/autosign.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $O $TactN  -r $U now-2h  -d $H now-2h -z $U $TactN1 "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TsbmN1 -r $O $TsbmN1 -d $O now-2h -z $R $TactN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Set key rollover relationship.
+key_successor $CSK1 $CSK2
+# Sign zone.
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 6:
+# After the retire interval has passed the predecessor DNSKEY can be
+# removed from the zone.
+setup step6.csk-roll.autosign
+# According to RFC 7583:
+# Trem(N) = Tret(N) + IretZ
+# Tret(N) = Tact(N) + Lcsk
+#
+# Lcsk:   186d
+# Iret:   4h
+# IretZ:  26d3h
+#
+# Tact(N)   = Tnow - IretZ - Lcsk = now - 627h - 186d
+#           = now - 627h - 4464h = now - 5091h
+# Tret(N)   = Tnow - IretZ = now - 627h
+# Trem(N)   = Tnow
+# Tpub(N+1) = Tnow - IretZ - Ipub = now - 627h - 3h = now - 630h
+# Tsbm(N+1) = Tret(N)
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = Tnow - IretZ + Lcsk = now - 627h + 186d = now + 3837h
+# Trem(N+1) = Tnow + Lcsk = now + 186d
+TactN="now-5091h"
+TretN="now-627h"
+TremN="now"
+TpubN1="now-630h"
+TsbmN1="${TretN}"
+TactN1="${TretN}"
+TretN1="now+3837h"
+TremN1="now+186d"
+csktimes="-P ${TactN}  -P sync ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -P sync ${TsbmN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+CSK1=$($KEYGEN -k csk-roll -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-roll -l policies/autosign.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $O $TactN  -r $H $TremN  -d $H $TremN  -z $U $TsbmN1 "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TsbmN1 -r $O $TsbmN1 -d $O $TremN  -z $R $TsbmN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Set key rollover relationship.
+key_successor $CSK1 $CSK2
+# Sign zone.
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 7:
+# Some time later the predecessor DNSKEY enters the HIDDEN state.
+setup step7.csk-roll.autosign
+# Subtract DNSKEY TTL plus zone propagation delay from all the times (2h).
+# Tact(N) = now - 5091h - 2h = now - 5093h
+# Tret(N) = now - 627h - 2h  = now - 629h
+# Trem(N) = now - 2h
+# Tpub(N+1) = now - 630h - 2h = now - 632h
+# Tsbm(N+1) = Tret(N)
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = now + 3837h - 2h = now + 3835h
+# Trem(N+1) = now + 186d - 2h = now + 4462h
+TactN="now-5093h"
+TretN="now-629h"
+TremN="now-2h"
+TpubN1="now-632h"
+TsbmN1="${TretN}"
+TactN1="${TretN}"
+TretN1="now+3835h"
+TremN1="now+4462h"
+csktimes="-P ${TactN}  -P sync ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -P sync ${TsbmN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+CSK1=$($KEYGEN -k csk-roll -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-roll -l policies/autosign.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $U $TremN  -r $H $TremN  -d $H $TremN  -z $H $TactN1 "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TsbmN1 -r $O $TsbmN1 -d $O $TactN1 -z $O $TactN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Set key rollover relationship.
+key_successor $CSK1 $CSK2
+# Sign zone.
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 8:
+# The predecessor DNSKEY can be purged.
+setup step8.csk-roll.autosign
+# Subtract purge-keys interval from all the times (1h).
+# Tact(N) = now - 5093h - 1h = now - 5094h
+# Tret(N) = now - 629h - 1h  = now - 630h
+# Trem(N) = now - 2h - 1h = now - 3h
+# Tpub(N+1) = now - 632h - 1h = now - 633h
+# Tsbm(N+1) = Tret(N)
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = now + 3835h - 1h = now + 3834h
+# Trem(N+1) = now + 4462h - 1h = now + 4461h
+TactN="now-5094h"
+TretN="now-630h"
+TremN="now-3h"
+TpubN1="now-633h"
+TsbmN1="${TretN}"
+TactN1="${TretN}"
+TretN1="now+3834h"
+TremN1="now+4461h"
+csktimes="-P ${TactN}  -P sync ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -P sync ${TsbmN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+CSK1=$($KEYGEN -k csk-roll -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-roll -l policies/autosign.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $H $TremN  -r $H $TremN  -d $H $TremN  -z $H $TactN1 "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TsbmN1 -r $O $TsbmN1 -d $O $TactN1 -z $O $TactN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Set key rollover relationship.
+key_successor $CSK1 $CSK2
+# Sign zone.
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+#
+# The zones at csk-roll2.autosign represent the various steps of a CSK rollover
+# (which is essentially a ZSK Pre-Publication / KSK Double-KSK rollover).
+# This scenario differs from the above one because the zone signatures (ZRRSIG)
+# are replaced with the new key sooner than the DS is swapped.
+#
+
+# Step 1:
+# Introduce the first key. This will immediately be active.
+setup step1.csk-roll2.autosign
+TactN="now"
+csktimes="-P ${TactN} -P sync ${TactN} -A ${TactN}"
+CSK=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+$SETTIME -s -g $O -k $O $TactN -r $O $TactN -d $O $TactN -z $O $TactN "$CSK" > settime.out.$zone.1 2>&1
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 2:
+# It is time to introduce the new CSK.
+setup step2.csk-roll2.autosign
+# According to RFC 7583:
+# KSK: Tpub(N+1) <= Tact(N) + Lksk - IpubC
+# ZSK: Tpub(N+1) <= Tact(N) + Lzsk - Ipub
+# IpubC = DprpC + TTLkey (+publish-safety)
+# Ipub  = IpubC
+# Lcsk = Lksk = Lzsk
+#
+# Lcsk:           6mo (186d, 4464h)
+# Dreg:           N/A
+# DprpC:          1h
+# TTLkey:         1h
+# publish-safety: 1h
+# Ipub:           3h
+#
+# Tact(N)  = Tnow - Lcsk + Ipub = now - 186d + 3h
+#          = now - 4464h + 3h = now - 4461h
+TactN="now-4461h"
+csktimes="-P ${TactN} -P sync ${TactN} -A ${TactN}"
+CSK=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+$SETTIME -s -g $O -k $O $TactN -r $O $TactN -d $O $TactN -z $O $TactN "$CSK" > settime.out.$zone.1 2>&1
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 3:
+# It is time to submit the DS and to roll signatures.
+setup step3.csk-roll2.autosign
+# According to RFC 7583:
+#
+# Tsbm(N+1) >= Trdy(N+1)
+# KSK: Tact(N+1) = Tsbm(N+1)
+# ZSK: Tact(N+1) = Tpub(N+1) + Ipub = Tsbm(N+1)
+# KSK: Iret  = DprpP + TTLds (+retire-safety)
+# ZSK: IretZ = Dsgn + Dprp + TTLsig (+retire-safety)
+#
+# Lcsk:           186d
+# Dprp:           1h
+# DprpP:          1w
+# Dreg:           N/A
+# Dsgn:           12h
+# TTLds:          1h
+# TTLsig:         1d
+# retire-safety:  1h
+# Iret:           170h
+# IretZ:          38h
+# Ipub:           3h
+#
+# Tact(N)   = Tnow - Lcsk = now - 186d
+# Tret(N)   = now
+# Trem(N)   = Tnow + Iret = now + 170h
+# Tpub(N+1) = Tnow - Ipub = now - 3h
+# Tsbm(N+1) = Tret(N)
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = Tnow + Lcsk = now + 186d
+# Trem(N+1) = Tnow + Lcsk + Iret = now + 186d + 170h =
+#           = now + 4464h + 170h = now + 4634h
+TactN="now-186d"
+TretN="now"
+TremN="now+170h"
+TpubN1="now-3h"
+TsbmN1="${TretN}"
+TactN1="${TretN}"
+TretN1="now+186d"
+TremN1="now+4634h"
+csktimes="-P ${TactN}  -P sync ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -P sync ${TsbmN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+CSK1=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -d $O $TactN  -z $O $TactN  "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $R $TpubN1 -r $R $TpubN1 -d $H $TpubN1 -z $H $TpubN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Set key rollover relationship.
+key_successor $CSK1 $CSK2
+# Sign zone.
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 4:
+# Some time later all the ZRRSIG records should be from the new CSK, and the
+# DS should be swapped.  The ZRRSIG records are all replaced after IretZ (38h).
+# The DS is swapped after Dreg + Iret (1w3h). In other words, the zone
+# signatures are replaced before the DS is swapped.
+setup step4.csk-roll2.autosign
+# According to RFC 7583:
+# Trem(N)    = Tret(N) + IretZ
+#
+# Lcsk:   186d
+# Dreg:   N/A
+# Iret:   170h
+# IretZ:  38h
+#
+# Tact(N)    = Tnow - IretZ = Lcsk = now - 38h - 186d
+#            = now - 38h - 4464h = now - 4502h
+# Tret(N)    = Tnow - IretZ = now - 38h
+# Trem(N)    = Tnow - IretZ + Iret = now - 38h + 170h = now + 132h
+# Tpub(N+1)  = Tnow - IretZ - IpubC = now - 38h - 3h = now - 41h
+# Tsbm(N+1)  = Tret(N)
+# Tact(N+1)  = Tret(N)
+# Tret(N+1)  = Tnow - IretZ + Lcsk = now - 38h + 186d
+#            = now + 4426h
+# Trem(N+1)  = Tnow - IretZ + Lcsk + Iret
+#            = now + 4426h + 3h = now + 4429h
+TactN="now-4502h"
+TretN="now-38h"
+TremN="now+132h"
+TpubN1="now-41h"
+TsbmN1="${TretN}"
+TactN1="${TretN}"
+TretN1="now+4426h"
+TremN1="now+4429h"
+csktimes="-P ${TactN}  -P sync ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -P sync ${TsbmN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+CSK1=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -z $U $TretN  -d $U $TsbmN1 -D ds $TsbmN1 "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TsbmN1 -r $O $TsbmN1 -z $R $TactN1 -d $R $TsbmN1 -P ds $TsbmN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Set key rollover relationship.
+key_successor $CSK1 $CSK2
+# Sign zone.
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 5:
+# Some time later the DS can be swapped and the old DNSKEY can be removed from
+# the zone.
+setup step5.csk-roll2.autosign
+# Subtract Iret (170h) - IretZ (38h) = 132h.
+#
+# Tact(N)   = now - 4502h - 132h = now - 4634h
+# Tret(N)   = now - 38h - 132h = now - 170h
+# Trem(N)   = now + 132h - 132h = now
+# Tpub(N+1) = now - 41h - 132h = now - 173h
+# Tsbm(N+1) = Tret(N)
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = now + 4426h - 132h = now + 4294h
+# Trem(N+1) = now + 4492h - 132h = now + 4360h
+TactN="now-4634h"
+TretN="now-170h"
+TremN="now"
+TpubN1="now-173h"
+TsbmN1="${TretN}"
+TactN1="${TretN}"
+TretN1="now+4294h"
+TremN1="now+4360h"
+csktimes="-P ${TactN}  -P sync ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -P sync ${TsbmN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+CSK1=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -z $H now-133h -d $U $TsbmN1 -D ds $TsbmN1 "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TsbmN1 -r $O $TsbmN1 -z $O now-133h -d $R $TsbmN1 -P ds $TsbmN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Set key rollover relationship.
+key_successor $CSK1 $CSK2
+# Sign zone.
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 6:
+# Some time later the predecessor DNSKEY enters the HIDDEN state.
+setup step6.csk-roll2.autosign
+# Subtract DNSKEY TTL plus zone propagation delay (2h).
+#
+# Tact(N)   = now - 4634h - 2h = now - 4636h
+# Tret(N)   = now - 170h - 2h = now - 172h
+# Trem(N)   = now - 2h
+# Tpub(N+1) = now - 173h - 2h = now - 175h
+# Tsbm(N+1) = Tret(N)
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = now + 4294h - 2h = now + 4292h
+# Trem(N+1) = now + 4360h - 2h = now + 4358h
+TactN="now-4636h"
+TretN="now-172h"
+TremN="now-2h"
+TpubN1="now-175h"
+TsbmN1="${TretN}"
+TactN1="${TretN}"
+TretN1="now+4292h"
+TremN1="now+4358h"
+csktimes="-P ${TactN}  -P sync ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -P sync ${TsbmN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+CSK1=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $U $TremN  -r $U $TremN  -d $H $TremN -z $H now-135h "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TsbmN1 -r $O $TsbmN1 -d $O $TremN -z $O now-135h "$CSK2" > settime.out.$zone.2 2>&1
+# Set key rollover relationship.
+key_successor $CSK1 $CSK2
+# Sign zone.
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 7:
+# The predecessor DNSKEY can be purged, but purge-keys is disabled.
+setup step7.csk-roll2.autosign
+# Subtract 90 days (default, 2160h) from all the times.
+# Tact(N)   = now - 4636h - 2160h = now - 6796h
+# Tret(N)   = now - 172h - 2160h = now - 2332h
+# Trem(N)   = now - 2h - 2160h = now - 2162h
+# Tpub(N+1) = now - 175h - 2160h = now - 2335h
+# Tsbm(N+1) = Tret(N)
+# Tact(N+1) = Tret(N)
+# Tret(N+1) = now + 4294h - 2160h = now + 2134h
+# Trem(N+1) = now + 4360h - 2160h = now + 2200h
+TactN="now-6796h"
+TretN="now-2332h"
+TremN="now-2162h"
+TpubN1="now-2335h"
+TsbmN1="${TretN}"
+TactN1="${TretN}"
+TretN1="now+2134h"
+TremN1="now+2200h"
+csktimes="-P ${TactN}  -P sync ${TactN}  -A ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -P sync ${TsbmN1} -A ${TactN1} -I ${TretN1} -D ${TremN1}"
+CSK1=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-roll2 -l policies/autosign.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $U $TremN  -r $U $TremN  -d $H $TremN -z $H now-135h "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TsbmN1 -r $O $TsbmN1 -d $O $TremN -z $O now-135h "$CSK2" > settime.out.$zone.2 2>&1
+# Set key rollover relationship.
+key_successor $CSK1 $CSK2
+# Sign zone.
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+30d -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Test #2375, the "three is a crowd" bug, where a new key is introduced but the
+# previous rollover has not finished yet. In other words, we have a key KEY2
+# that is the successor of key KEY1, and we introduce a new key KEY3 that is
+# the successor of key KEY2:
+#
+#     KEY1 < KEY2 < KEY3.
+#
+# The expected behavior is that all three keys remain in the zone, and not
+# the bug behavior where KEY2 is removed and immediately replaced with KEY3.
+#
+# Set up a zone that has a KSK (KEY1) and have the successor key (KEY2)
+# published as well.
+setup three-is-a-crowd.kasp
+# These times are the same as step3.ksk-doubleksk.autosign.
+TactN="now-60d"
+TretN="now"
+TremN="now+50h"
+TpubN1="now-27h"
+TsbmN1="now"
+TactN1="${TretN}"
+TretN1="now+60d"
+TremN1="now+1490h"
+ksktimes="-P ${TactN}  -A ${TactN}  -P sync ${TactN}  -I ${TretN}  -D ${TremN}"
+newtimes="-P ${TpubN1} -A ${TactN1} -P sync ${TsbmN1} -I ${TretN1} -D ${TremN1}"
+zsktimes="-P ${TactN}  -A ${TactN}"
+KSK1=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+KSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $newtimes $zone 2> keygen.out.$zone.2)
+ZSK=$($KEYGEN  -a $DEFAULT_ALGORITHM -L 7200        $zsktimes $zone 2> keygen.out.$zone.3)
+$SETTIME -s -g $H -k $O $TactN   -r $O $TactN  -d $O $TactN  "$KSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $R $TpubN1  -r $R $TpubN1 -d $H $TpubN1 "$KSK2" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TactN   -z $O $TactN                "$ZSK"  > settime.out.$zone.3 2>&1
+# Set key rollover relationship.
+key_successor $KSK1 $KSK2
+# Sign zone.
+cat template.db.in "${KSK1}.key" "${KSK2}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK2" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
diff --git a/bin/tests/system/kasp/ns3/template.db.in b/bin/tests/system/kasp/ns3/template.db.in
new file mode 100644
index 0000000..010b05b
--- /dev/null
+++ b/bin/tests/system/kasp/ns3/template.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns3
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+
diff --git a/bin/tests/system/kasp/ns3/template2.db.in b/bin/tests/system/kasp/ns3/template2.db.in
new file mode 100644
index 0000000..7b94ace
--- /dev/null
+++ b/bin/tests/system/kasp/ns3/template2.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			2       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns3
+ns3			A	10.53.0.3
+
+a			A	10.0.0.11
+b			A	10.0.0.22
+c			A	10.0.0.33
+d			A	10.0.0.44
diff --git a/bin/tests/system/kasp/ns4/example1.db.in b/bin/tests/system/kasp/ns4/example1.db.in
new file mode 100644
index 0000000..c9e537f
--- /dev/null
+++ b/bin/tests/system/kasp/ns4/example1.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns4
+ns4			A	10.53.0.4
+
+view			TXT	"view1"
diff --git a/bin/tests/system/kasp/ns4/example2.db.in b/bin/tests/system/kasp/ns4/example2.db.in
new file mode 100644
index 0000000..c1f16a2
--- /dev/null
+++ b/bin/tests/system/kasp/ns4/example2.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns4
+ns4			A	10.53.0.4
+
+view			TXT	"view2"
diff --git a/bin/tests/system/kasp/ns4/named.conf.in b/bin/tests/system/kasp/ns4/named.conf.in
new file mode 100644
index 0000000..459ea73
--- /dev/null
+++ b/bin/tests/system/kasp/ns4/named.conf.in
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key "sha1" {
+	algorithm "hmac-sha1";
+	secret "FrSt77yPTFx6hTs4i2tKLB9LmE0=";
+};
+
+key "sha224" {
+	algorithm "hmac-sha224";
+	secret "hXfwwwiag2QGqblopofai9NuW28q/1rH4CaTnA==";
+};
+
+key "sha256" {
+	algorithm "hmac-sha256";
+	secret "R16NojROxtxH/xbDl//ehDsHm5DjWTQ2YXV+hGC2iBY=";
+};
+
+key "keyforview1" {
+	algorithm @DEFAULT_HMAC@;
+	secret "YPfMoAk6h+3iN8MDRQC004iSNHY=";
+};
+
+key "keyforview2" {
+	algorithm @DEFAULT_HMAC@;
+	secret "4xILSZQnuO1UKubXHkYUsvBRPu8=";
+};
+
+key "keyforview3" {
+	algorithm @DEFAULT_HMAC@;
+	secret "C1Azf+gGPMmxrUg/WQINP6eV9Y0=";
+};
+
+dnssec-policy "test" {
+	keys {
+		csk key-directory lifetime 0 algorithm 14;
+	};
+};
+
+options {
+	query-source address 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-policy "test";
+	dnssec-validation no;
+};
+
+view "inherit" {
+	match-clients { key "sha1"; };
+
+	/* Inherit dnssec-policy 'test' */
+	zone "inherit.inherit.signed" {
+		type primary;
+		file "inherit.inherit.signed.db";
+		inline-signing yes;
+	};
+
+	/* Override dnssec-policy */
+	zone "override.inherit.signed" {
+		type primary;
+		file "override.inherit.signed.db";
+		inline-signing yes;
+		dnssec-policy "default";
+	};
+
+	/* Unset dnssec-policy */
+	zone "none.inherit.signed" {
+		type primary;
+		file "none.inherit.signed.db";
+		dnssec-policy "none";
+	};
+};
+
+view "override" {
+	match-clients { key "sha224"; };
+	dnssec-policy "default";
+
+	/* Inherit dnssec-policy 'test' */
+	zone "inherit.override.signed" {
+		type primary;
+		file "inherit.override.signed.db";
+		inline-signing yes;
+	};
+
+	/* Override dnssec-policy */
+	zone "override.override.signed" {
+		type primary;
+		file "override.override.signed.db";
+		inline-signing yes;
+		dnssec-policy "test";
+	};
+
+	/* Unset dnssec-policy */
+	zone "none.override.signed" {
+		type primary;
+		file "none.override.signed.db";
+		dnssec-policy "none";
+	};
+};
+
+view "none" {
+	match-clients { key "sha256"; };
+	dnssec-policy "none";
+
+	/* Inherit dnssec-policy 'none' */
+	zone "inherit.none.signed" {
+		type primary;
+		file "inherit.none.signed.db";
+	};
+
+	/* Override dnssec-policy */
+	zone "override.none.signed" {
+		type primary;
+		file "override.none.signed.db";
+		inline-signing yes;
+		dnssec-policy "test";
+	};
+
+	/* Unset dnssec-policy */
+	zone "none.none.signed" {
+		type primary;
+		file "none.none.signed.db";
+		dnssec-policy "none";
+	};
+};
+
+view "example1" {
+	match-clients { key "keyforview1"; };
+
+	allow-update { any; };
+
+	zone "example.net" {
+		type primary;
+		file "example1.db";
+	};
+};
+
+view "example2" {
+	match-clients { key "keyforview2"; };
+
+	zone "example.net" {
+		type primary;
+		file "example2.db";
+		inline-signing yes;
+	};
+};
+
+view "example3" {
+	match-clients { key "keyforview3"; };
+	zone "example.net" {
+		in-view example2;
+	};
+};
diff --git a/bin/tests/system/kasp/ns4/setup.sh b/bin/tests/system/kasp/ns4/setup.sh
new file mode 100644
index 0000000..61b049d
--- /dev/null
+++ b/bin/tests/system/kasp/ns4/setup.sh
@@ -0,0 +1,33 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns4/setup.sh"
+
+#
+# Set up zones that potentially will be initially signed.
+#
+for zn in inherit.inherit override.inherit none.inherit \
+	  inherit.override override.override none.override \
+	  inherit.none override.none none.none
+do
+	zone="$zn.signed"
+	echo_i "setting up zone: $zone"
+	zonefile="${zone}.db"
+	cp template.db.in $zonefile
+done
+
+cp example1.db.in example1.db
+cp example2.db.in example2.db
diff --git a/bin/tests/system/kasp/ns4/template.db.in b/bin/tests/system/kasp/ns4/template.db.in
new file mode 100644
index 0000000..0f72e9c
--- /dev/null
+++ b/bin/tests/system/kasp/ns4/template.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns4
+ns4			A	10.53.0.4
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+
diff --git a/bin/tests/system/kasp/ns5/named.conf.in b/bin/tests/system/kasp/ns5/named.conf.in
new file mode 100644
index 0000000..44855b9
--- /dev/null
+++ b/bin/tests/system/kasp/ns5/named.conf.in
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key "sha1" {
+	algorithm "hmac-sha1";
+	secret "FrSt77yPTFx6hTs4i2tKLB9LmE0=";
+};
+
+key "sha224" {
+	algorithm "hmac-sha224";
+	secret "hXfwwwiag2QGqblopofai9NuW28q/1rH4CaTnA==";
+};
+
+key "sha256" {
+	algorithm "hmac-sha256";
+	secret "R16NojROxtxH/xbDl//ehDsHm5DjWTQ2YXV+hGC2iBY=";
+};
+
+dnssec-policy "test" {
+	keys {
+		csk key-directory lifetime 0 algorithm 14;
+	};
+};
+
+options {
+	query-source address 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-policy "none";
+	dnssec-validation no;
+};
+
+view "inherit" {
+	match-clients { key "sha1"; };
+
+	/* Inherit dnssec-policy 'none' */
+	zone "inherit.inherit.unsigned" {
+		type primary;
+		file "inherit.inherit.unsigned.db";
+	};
+
+	/* Override dnssec-policy */
+	zone "override.inherit.unsigned" {
+		type primary;
+		file "override.inherit.unsigned.db";
+		inline-signing yes;
+		dnssec-policy "default";
+	};
+
+	/* Unset dnssec-policy */
+	zone "none.inherit.unsigned" {
+		type primary;
+		file "none.inherit.unsigned.db";
+		dnssec-policy "none";
+	};
+};
+
+view "override" {
+	match-clients { key "sha224"; };
+	dnssec-policy "default";
+
+	/* Inherit dnssec-policy 'default' */
+	zone "inherit.override.unsigned" {
+		type primary;
+		file "inherit.override.unsigned.db";
+		inline-signing yes;
+	};
+
+	/* Override dnssec-policy */
+	zone "override.override.unsigned" {
+		type primary;
+		file "override.override.unsigned.db";
+		inline-signing yes;
+		dnssec-policy "test";
+	};
+
+	/* Unset dnssec-policy */
+	zone "none.override.unsigned" {
+		type primary;
+		file "none.override.unsigned.db";
+		dnssec-policy "none";
+	};
+};
+
+view "none" {
+	match-clients { key "sha256"; };
+	dnssec-policy "none";
+
+	/* Inherit dnssec-policy 'none' */
+	zone "inherit.none.unsigned" {
+		type primary;
+		file "inherit.none.unsigned.db";
+	};
+
+	/* Override dnssec-policy */
+	zone "override.none.unsigned" {
+		type primary;
+		file "override.none.unsigned.db";
+		inline-signing yes;
+		dnssec-policy "test";
+	};
+
+	/* Unset dnssec-policy */
+	zone "none.none.unsigned" {
+		type primary;
+		file "none.none.unsigned.db";
+		dnssec-policy "none";
+	};
+};
diff --git a/bin/tests/system/kasp/ns5/setup.sh b/bin/tests/system/kasp/ns5/setup.sh
new file mode 100644
index 0000000..59c7a41
--- /dev/null
+++ b/bin/tests/system/kasp/ns5/setup.sh
@@ -0,0 +1,30 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns5/setup.sh"
+
+#
+# Set up zones that potentially will be initially signed.
+#
+for zn in inherit.inherit override.inherit none.inherit \
+	  inherit.override override.override none.override \
+	  inherit.none override.none none.none
+do
+	zone="$zn.unsigned"
+	echo_i "setting up zone: $zone"
+	zonefile="${zone}.db"
+	cp template.db.in $zonefile
+done
diff --git a/bin/tests/system/kasp/ns5/template.db.in b/bin/tests/system/kasp/ns5/template.db.in
new file mode 100644
index 0000000..6cb07a4
--- /dev/null
+++ b/bin/tests/system/kasp/ns5/template.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns5
+ns5			A	10.53.0.5
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+
diff --git a/bin/tests/system/kasp/ns6/example.db.in b/bin/tests/system/kasp/ns6/example.db.in
new file mode 100644
index 0000000..d6b912c
--- /dev/null
+++ b/bin/tests/system/kasp/ns6/example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns6
+ns6			A	10.53.0.6
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
diff --git a/bin/tests/system/kasp/ns6/example2.db.in b/bin/tests/system/kasp/ns6/example2.db.in
new file mode 100644
index 0000000..46aed9b
--- /dev/null
+++ b/bin/tests/system/kasp/ns6/example2.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			2       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns6
+ns6			A	10.53.0.6
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
diff --git a/bin/tests/system/kasp/ns6/example3.db.in b/bin/tests/system/kasp/ns6/example3.db.in
new file mode 100644
index 0000000..ccbd96a
--- /dev/null
+++ b/bin/tests/system/kasp/ns6/example3.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 400
+@		IN	SOA  mname1. . (
+			3       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns6
+ns6			A	10.53.0.6
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
diff --git a/bin/tests/system/kasp/ns6/named.conf.in b/bin/tests/system/kasp/ns6/named.conf.in
new file mode 100644
index 0000000..c339c44
--- /dev/null
+++ b/bin/tests/system/kasp/ns6/named.conf.in
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS6
+
+include "policies/kasp.conf";
+include "policies/csk1.conf";
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	key-directory ".";
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+/* This zone switch from dynamic to inline-signing. */
+zone "dynamic2inline.kasp" {
+	type primary;
+	file "dynamic2inline.kasp.db";
+	allow-update { any; };
+	dnssec-policy "default";
+};
+
+/* These zones are going insecure. */
+zone "step1.going-insecure.kasp" {
+	type primary;
+	file "step1.going-insecure.kasp.db";
+	inline-signing yes;
+	dnssec-policy "unsigning";
+};
+
+zone "step1.going-insecure-dynamic.kasp" {
+	type primary;
+	file "step1.going-insecure-dynamic.kasp.db";
+	dnssec-policy "unsigning";
+	allow-update { any; };
+};
+
+zone "step1.going-straight-to-none.kasp" {
+	type primary;
+	file "step1.going-straight-to-none.kasp.db";
+	inline-signing yes;
+	dnssec-policy "default";
+};
+
+/* These are alorithm rollover test zones. */
+zone "step1.algorithm-roll.kasp" {
+	type primary;
+	file "step1.algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha256";
+};
+
+zone "step1.csk-algorithm-roll.kasp" {
+	type primary;
+	file "step1.csk-algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "csk-algoroll";
+};
+
+dnssec-policy "modified" {
+	keys {
+		csk lifetime unlimited algorithm rsasha256 2048;
+	};
+};
+
+zone example {
+	type primary;
+	file "example.db";
+	inline-signing yes;
+	dnssec-policy modified;
+};
diff --git a/bin/tests/system/kasp/ns6/named2.conf.in b/bin/tests/system/kasp/ns6/named2.conf.in
new file mode 100644
index 0000000..4d48fd9
--- /dev/null
+++ b/bin/tests/system/kasp/ns6/named2.conf.in
@@ -0,0 +1,186 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS6
+
+include "policies/kasp.conf";
+include "policies/csk2.conf";
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+/* This zone switch from dynamic to inline-signing. */
+zone "dynamic2inline.kasp" {
+	type primary;
+	file "dynamic2inline.kasp.db";
+	allow-update { any; };
+	inline-signing yes;
+	dnssec-policy "default";
+};
+
+/* Zones for testing going insecure. */
+zone "step1.going-insecure.kasp" {
+        type primary;
+        file "step1.going-insecure.kasp.db";
+	inline-signing yes;
+        dnssec-policy "insecure";
+};
+
+zone "step2.going-insecure.kasp" {
+        type primary;
+        file "step2.going-insecure.kasp.db";
+	inline-signing yes;
+        dnssec-policy "insecure";
+};
+
+zone "step1.going-insecure-dynamic.kasp" {
+        type primary;
+        file "step1.going-insecure-dynamic.kasp.db";
+        dnssec-policy "insecure";
+	allow-update { any; };
+};
+
+zone "step2.going-insecure-dynamic.kasp" {
+        type primary;
+        file "step2.going-insecure-dynamic.kasp.db";
+        dnssec-policy "insecure";
+	allow-update { any; };
+};
+
+zone "step1.going-straight-to-none.kasp" {
+        type primary;
+        file "step1.going-straight-to-none.kasp.db";
+        dnssec-policy "none";
+};
+
+/*
+ * Zones for testing KSK/ZSK algorithm roll.
+ */
+zone "step1.algorithm-roll.kasp" {
+	type primary;
+	file "step1.algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "ecdsa256";
+};
+
+zone "step2.algorithm-roll.kasp" {
+	type primary;
+	file "step2.algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "ecdsa256";
+};
+
+zone "step3.algorithm-roll.kasp" {
+	type primary;
+	file "step3.algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "ecdsa256";
+};
+
+zone "step4.algorithm-roll.kasp" {
+	type primary;
+	file "step4.algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "ecdsa256";
+};
+
+zone "step5.algorithm-roll.kasp" {
+	type primary;
+	file "step5.algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "ecdsa256";
+};
+
+zone "step6.algorithm-roll.kasp" {
+	type primary;
+	file "step6.algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "ecdsa256";
+};
+
+/*
+ * Zones for testing CSK algorithm roll.
+ */
+zone "step1.csk-algorithm-roll.kasp" {
+	type primary;
+	file "step1.csk-algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "csk-algoroll";
+};
+
+zone "step2.csk-algorithm-roll.kasp" {
+	type primary;
+	file "step2.csk-algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "csk-algoroll";
+};
+
+zone "step3.csk-algorithm-roll.kasp" {
+	type primary;
+	file "step3.csk-algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "csk-algoroll";
+};
+
+zone "step4.csk-algorithm-roll.kasp" {
+	type primary;
+	file "step4.csk-algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "csk-algoroll";
+};
+
+zone "step5.csk-algorithm-roll.kasp" {
+	type primary;
+	file "step5.csk-algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "csk-algoroll";
+};
+
+zone "step6.csk-algorithm-roll.kasp" {
+	type primary;
+	file "step6.csk-algorithm-roll.kasp.db";
+	inline-signing yes;
+	dnssec-policy "csk-algoroll";
+};
+
+dnssec-policy "modified" {
+	keys {
+		csk lifetime unlimited algorithm rsasha256 2048;
+	};
+};
+
+zone example {
+	type primary;
+	file "example.db";
+	inline-signing yes;
+	dnssec-policy modified;
+};
diff --git a/bin/tests/system/kasp/ns6/policies/csk1.conf.in b/bin/tests/system/kasp/ns6/policies/csk1.conf.in
new file mode 100644
index 0000000..a5ff042
--- /dev/null
+++ b/bin/tests/system/kasp/ns6/policies/csk1.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "csk-algoroll" {
+	signatures-refresh P5D;
+	signatures-validity 30d;
+	signatures-validity-dnskey 30d;
+
+	keys {
+		csk lifetime unlimited algorithm rsasha256;
+	};
+
+	dnskey-ttl 1h;
+	publish-safety PT1H;
+	retire-safety 2h;
+	zone-propagation-delay 3600;
+	max-zone-ttl 6h;
+	parent-propagation-delay pt1h;
+	parent-ds-ttl 7200;
+};
diff --git a/bin/tests/system/kasp/ns6/policies/csk2.conf.in b/bin/tests/system/kasp/ns6/policies/csk2.conf.in
new file mode 100644
index 0000000..6d290c3
--- /dev/null
+++ b/bin/tests/system/kasp/ns6/policies/csk2.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "csk-algoroll" {
+	signatures-refresh P5D;
+	signatures-validity 30d;
+	signatures-validity-dnskey 30d;
+
+	keys {
+		csk lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+	};
+
+	dnskey-ttl 1h;
+	publish-safety PT1H;
+	retire-safety 2h;
+	zone-propagation-delay 3600;
+	max-zone-ttl 6h;
+	parent-propagation-delay pt1h;
+	parent-ds-ttl 7200;
+};
diff --git a/bin/tests/system/kasp/ns6/policies/kasp-fips.conf.in b/bin/tests/system/kasp/ns6/policies/kasp-fips.conf.in
new file mode 100644
index 0000000..810b91d
--- /dev/null
+++ b/bin/tests/system/kasp/ns6/policies/kasp-fips.conf.in
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "unsigning" {
+	dnskey-ttl 7200;
+
+	keys {
+		ksk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+		zsk key-directory lifetime P60D algorithm @DEFAULT_ALGORITHM@;
+	};
+};
+
+dnssec-policy "nsec3" {
+	nsec3param iterations 0 optout no salt-length 0;
+};
+
+dnssec-policy "rsasha256" {
+	signatures-refresh P5D;
+	signatures-validity 30d;
+	signatures-validity-dnskey 30d;
+
+	keys {
+		ksk lifetime unlimited algorithm rsasha256;
+		zsk lifetime unlimited algorithm rsasha256;
+	};
+
+	dnskey-ttl 1h;
+	publish-safety PT1H;
+	retire-safety 2h;
+	zone-propagation-delay 3600;
+	max-zone-ttl 6h;
+	parent-propagation-delay pt1h;
+	parent-ds-ttl 7200;
+};
+
+dnssec-policy "ecdsa256" {
+	signatures-refresh P5D;
+	signatures-validity 30d;
+	signatures-validity-dnskey 30d;
+
+	keys {
+		ksk lifetime unlimited algorithm ecdsa256;
+		zsk lifetime unlimited algorithm ecdsa256;
+	};
+
+	dnskey-ttl 1h;
+	publish-safety PT1H;
+	retire-safety 2h;
+	zone-propagation-delay 3600;
+	max-zone-ttl 6h;
+	parent-propagation-delay pt1h;
+	parent-ds-ttl 7200;
+};
diff --git a/bin/tests/system/kasp/ns6/policies/kasp.conf.in b/bin/tests/system/kasp/ns6/policies/kasp.conf.in
new file mode 100644
index 0000000..d634b76
--- /dev/null
+++ b/bin/tests/system/kasp/ns6/policies/kasp.conf.in
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "policies/kasp-fips.conf";
+
+dnssec-policy "rsasha1" {
+	signatures-refresh P5D;
+	signatures-validity 30d;
+	signatures-validity-dnskey 30d;
+
+	keys {
+		ksk lifetime unlimited algorithm rsasha1;
+		zsk lifetime unlimited algorithm rsasha1;
+	};
+
+	dnskey-ttl 1h;
+	publish-safety PT1H;
+	retire-safety 2h;
+	zone-propagation-delay 3600;
+	max-zone-ttl 6h;
+	parent-propagation-delay pt1h;
+	parent-ds-ttl 7200;
+};
diff --git a/bin/tests/system/kasp/ns6/setup.sh b/bin/tests/system/kasp/ns6/setup.sh
new file mode 100644
index 0000000..6764f1b
--- /dev/null
+++ b/bin/tests/system/kasp/ns6/setup.sh
@@ -0,0 +1,409 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns6/setup.sh"
+
+setup() {
+	zone="$1"
+	echo_i "setting up zone: $zone"
+	zonefile="${zone}.db"
+	infile="${zone}.db.infile"
+}
+
+# Make lines shorter by storing key states in environment variables.
+H="HIDDEN"
+R="RUMOURED"
+O="OMNIPRESENT"
+U="UNRETENTIVE"
+
+# The child zones (step1, step2) beneath these zones represent the various
+# steps of unsigning a zone.
+for zn in going-insecure.kasp going-insecure-dynamic.kasp
+do
+	# Step 1:
+	# Set up a zone with dnssec-policy that is going insecure.
+	setup step1.$zn
+	echo "$zone" >> zones
+	T="now-10d"
+	ksktimes="-P $T -A $T -P sync $T"
+	zsktimes="-P $T -A $T"
+	KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+	ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200        $zsktimes $zone 2> keygen.out.$zone.2)
+	cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+	private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+	private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+	cp $infile $zonefile
+	$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+	# Step 2:
+	# Set up a zone with dnssec-policy that is going insecure. Don't add
+	# this zone to the zones file, because this zone is no longer expected
+	# to be fully signed.
+	setup step2.$zn
+	# The DS was withdrawn from the parent zone 26 hours ago.
+	Trem="now-26h"
+	ksktimes="-P $T -A $T -P sync $T"
+	zsktimes="-P $T -A $T"
+	KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+	ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200        $zsktimes $zone 2> keygen.out.$zone.2)
+	$SETTIME -s -g $H -k $O $T -r $O $T -d $U $Trem -D ds $Trem "$KSK" > settime.out.$zone.1 2>&1
+	$SETTIME -s -g $H -k $O $T -z $O $T                         "$ZSK" > settime.out.$zone.2 2>&1
+	# Fake lifetime of old algorithm keys.
+	echo "Lifetime: 0" >> "${KSK}.state"
+	echo "Lifetime: 5184000" >> "${ZSK}.state"
+	cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+	private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+	private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+	cp $infile $zonefile
+	$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+done
+
+# This zone is going straight to "none" policy. This is undefined behavior.
+setup step1.going-straight-to-none.kasp
+echo "$zone" >> zones
+TactN="now"
+csktimes="-P ${TactN} -A ${TactN} -P sync ${TactN}"
+CSK=$($KEYGEN -k default $csktimes $zone 2> keygen.out.$zone.1)
+$SETTIME -s -g $O -k $O $TactN -z $O $TactN -r $O $TactN -d $O $TactN "$CSK" > settime.out.$zone.1 2>&1
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -z -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+#
+# The zones at algorithm-roll.kasp represent the various steps of a ZSK/KSK
+# algorithm rollover.
+#
+
+# Step 1:
+# Introduce the first key. This will immediately be active.
+setup step1.algorithm-roll.kasp
+echo "$zone" >> zones
+TactN="now"
+ksktimes="-P ${TactN} -A ${TactN} -P sync ${TactN}"
+zsktimes="-P ${TactN} -A ${TactN}"
+KSK=$($KEYGEN -a RSASHA256 -L 3600 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a RSASHA256 -L 3600        $zsktimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $O -k $O $TactN -r $O $TactN -d $O $TactN "$KSK" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TactN -z $O $TactN              "$ZSK" > settime.out.$zone.2 2>&1
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone 8 "$KSK" >> "$infile"
+private_type_record $zone 8 "$ZSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 2:
+# After the publication interval has passed the DNSKEY is OMNIPRESENT.
+setup step2.algorithm-roll.kasp
+# The time passed since the new algorithm keys have been introduced is 3 hours.
+TactN="now-3h"
+TpubN1="now-3h"
+# Tsbm(N+1) = TpubN1 + Ipub = now + TTLsig + Dprp + publish-safety =
+# now - 3h + 6h + 1h + 1h = now + 5h
+TsbmN1="now+5h"
+ksk1times="-P ${TactN}  -A ${TactN}  -P sync ${TactN}  -I now"
+zsk1times="-P ${TactN}  -A ${TactN}                    -I now"
+ksk2times="-P ${TpubN1} -A ${TpubN1} -P sync ${TsbmN1}"
+zsk2times="-P ${TpubN1} -A ${TpubN1}"
+KSK1=$($KEYGEN -a RSASHA256          -L 3600 -f KSK $ksk1times $zone 2> keygen.out.$zone.1)
+ZSK1=$($KEYGEN -a RSASHA256          -L 3600        $zsk1times $zone 2> keygen.out.$zone.2)
+KSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksk2times $zone 2> keygen.out.$zone.3)
+ZSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsk2times $zone 2> keygen.out.$zone.4)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -d $O $TactN  "$KSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $H -k $O $TactN  -z $O $TactN                "$ZSK1" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $R $TpubN1 -r $R $TpubN1 -d $H $TpubN1 "$KSK2" > settime.out.$zone.3 2>&1
+$SETTIME -s -g $O -k $R $TpubN1 -z $R $TpubN1               "$ZSK2" > settime.out.$zone.4 2>&1
+# Fake lifetime of old algorithm keys.
+echo "Lifetime: 0" >> "${KSK1}.state"
+echo "Lifetime: 0" >> "${ZSK1}.state"
+cat template.db.in "${KSK1}.key" "${ZSK1}.key" "${KSK2}.key" "${ZSK2}.key" > "$infile"
+private_type_record $zone 8  "$KSK1" >> "$infile"
+private_type_record $zone 8  "$ZSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK2" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 3:
+# The zone signatures are also OMNIPRESENT.
+setup step3.algorithm-roll.kasp
+# The time passed since the new algorithm keys have been introduced is 9 hours.
+TactN="now-9h"
+TretN="now-6h"
+TpubN1="now-9h"
+TsbmN1="now-1h"
+ksk1times="-P ${TactN}  -A ${TactN}  -P sync ${TactN}  -I ${TretN}"
+zsk1times="-P ${TactN}  -A ${TactN}                    -I ${TretN}"
+ksk2times="-P ${TpubN1} -A ${TpubN1} -P sync ${TsbmN1}"
+zsk2times="-P ${TpubN1} -A ${TpubN1}"
+KSK1=$($KEYGEN -a RSASHA256          -L 3600 -f KSK $ksk1times $zone 2> keygen.out.$zone.1)
+ZSK1=$($KEYGEN -a RSASHA256          -L 3600        $zsk1times $zone 2> keygen.out.$zone.2)
+KSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksk2times $zone 2> keygen.out.$zone.3)
+ZSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsk2times $zone 2> keygen.out.$zone.4)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -d $O $TactN  "$KSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $H -k $O $TactN  -z $O $TactN                "$ZSK1" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TpubN1 -r $O $TpubN1 -d $H $TpubN1 "$KSK2" > settime.out.$zone.3 2>&1
+$SETTIME -s -g $O -k $O $TpubN1 -z $R $TpubN1               "$ZSK2" > settime.out.$zone.4 2>&1
+# Fake lifetime of old algorithm keys.
+echo "Lifetime: 0" >> "${KSK1}.state"
+echo "Lifetime: 0" >> "${ZSK1}.state"
+cat template.db.in "${KSK1}.key" "${ZSK1}.key" "${KSK2}.key" "${ZSK2}.key" > "$infile"
+private_type_record $zone 8  "$KSK1" >> "$infile"
+private_type_record $zone 8  "$ZSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK2" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 4:
+# The DS is swapped and can become OMNIPRESENT.
+setup step4.algorithm-roll.kasp
+# The time passed since the DS has been swapped is 29 hours.
+TactN="now-38h"
+TretN="now-35h"
+TpubN1="now-38h"
+TsbmN1="now-30h"
+TactN1="now-29h"
+ksk1times="-P ${TactN}  -A ${TactN}  -P sync ${TactN}  -I ${TretN}"
+zsk1times="-P ${TactN}  -A ${TactN}                    -I ${TretN}"
+ksk2times="-P ${TpubN1} -A ${TpubN1} -P sync ${TsbmN1}"
+zsk2times="-P ${TpubN1} -A ${TpubN1}"
+KSK1=$($KEYGEN -a RSASHA256          -L 3600 -f KSK $ksk1times $zone 2> keygen.out.$zone.1)
+ZSK1=$($KEYGEN -a RSASHA256          -L 3600        $zsk1times $zone 2> keygen.out.$zone.2)
+KSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksk2times $zone 2> keygen.out.$zone.3)
+ZSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsk2times $zone 2> keygen.out.$zone.4)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -d $U $TactN1 -D ds $TactN1 "$KSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $H -k $O $TactN  -z $O $TactN                              "$ZSK1" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TpubN1 -r $O $TpubN1 -d $R $TactN1 -P ds $TactN1 "$KSK2" > settime.out.$zone.3 2>&1
+$SETTIME -s -g $O -k $O $TpubN1 -z $R $TpubN1                             "$ZSK2" > settime.out.$zone.4 2>&1
+# Fake lifetime of old algorithm keys.
+echo "Lifetime: 0" >> "${KSK1}.state"
+echo "Lifetime: 0" >> "${ZSK1}.state"
+cat template.db.in "${KSK1}.key" "${ZSK1}.key" "${KSK2}.key" "${ZSK2}.key" > "$infile"
+private_type_record $zone 8  "$KSK1" >> "$infile"
+private_type_record $zone 8  "$ZSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK2" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 5:
+# The DNSKEY is removed long enough to be HIDDEN.
+setup step5.algorithm-roll.kasp
+# The time passed since the DNSKEY has been removed is 2 hours.
+TactN="now-40h"
+TretN="now-37h"
+TremN="now-2h"
+TpubN1="now-40h"
+TsbmN1="now-32h"
+TactN1="now-31h"
+ksk1times="-P ${TactN}  -A ${TactN}  -P sync ${TactN}  -I ${TretN}"
+zsk1times="-P ${TactN}  -A ${TactN}                    -I ${TretN}"
+ksk2times="-P ${TpubN1} -A ${TpubN1} -P sync ${TsbmN1}"
+zsk2times="-P ${TpubN1} -A ${TpubN1}"
+KSK1=$($KEYGEN -a RSASHA256          -L 3600 -f KSK $ksk1times $zone 2> keygen.out.$zone.1)
+ZSK1=$($KEYGEN -a RSASHA256          -L 3600        $zsk1times $zone 2> keygen.out.$zone.2)
+KSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksk2times $zone 2> keygen.out.$zone.3)
+ZSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsk2times $zone 2> keygen.out.$zone.4)
+$SETTIME -s -g $H -k $U $TremN  -r $U $TremN  -d $H $TactN1 "$KSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $H -k $U $TremN  -z $U $TremN                "$ZSK1" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TpubN1 -r $O $TpubN1 -d $O $TactN1 "$KSK2" > settime.out.$zone.3 2>&1
+$SETTIME -s -g $O -k $O $TpubN1 -z $R $TpubN1               "$ZSK2" > settime.out.$zone.4 2>&1
+# Fake lifetime of old algorithm keys.
+echo "Lifetime: 0" >> "${KSK1}.state"
+echo "Lifetime: 0" >> "${ZSK1}.state"
+cat template.db.in "${KSK1}.key" "${ZSK1}.key" "${KSK2}.key" "${ZSK2}.key" > "$infile"
+private_type_record $zone 8  "$KSK1" >> "$infile"
+private_type_record $zone 8  "$ZSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK2" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 6:
+# The RRSIGs have been removed long enough to be HIDDEN.
+setup step6.algorithm-roll.kasp
+# Additional time passed: 7h.
+TactN="now-47h"
+TretN="now-44h"
+TremN="now-7h"
+TpubN1="now-47h"
+TsbmN1="now-39h"
+TactN1="now-38h"
+TdeaN="now-9h"
+ksk1times="-P ${TactN}  -A ${TactN}  -P sync ${TactN}  -I ${TretN}"
+zsk1times="-P ${TactN}  -A ${TactN}                    -I ${TretN}"
+ksk2times="-P ${TpubN1} -A ${TpubN1} -P sync ${TsbmN1}"
+zsk2times="-P ${TpubN1} -A ${TpubN1}"
+KSK1=$($KEYGEN -a RSASHA256          -L 3600 -f KSK $ksk1times $zone 2> keygen.out.$zone.1)
+ZSK1=$($KEYGEN -a RSASHA256          -L 3600        $zsk1times $zone 2> keygen.out.$zone.2)
+KSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600 -f KSK $ksk2times $zone 2> keygen.out.$zone.3)
+ZSK2=$($KEYGEN -a $DEFAULT_ALGORITHM -L 3600        $zsk2times $zone 2> keygen.out.$zone.4)
+$SETTIME -s -g $H -k $H $TremN  -r $U $TdeaN  -d $H $TactN1 "$KSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $H -k $H $TremN  -z $U $TdeaN                "$ZSK1" > settime.out.$zone.2 2>&1
+$SETTIME -s -g $O -k $O $TpubN1 -r $O $TpubN1 -d $O $TactN1 "$KSK2" > settime.out.$zone.3 2>&1
+$SETTIME -s -g $O -k $O $TpubN1 -z $R $TpubN1               "$ZSK2" > settime.out.$zone.4 2>&1
+# Fake lifetime of old algorithm keys.
+echo "Lifetime: 0" >> "${KSK1}.state"
+echo "Lifetime: 0" >> "${ZSK1}.state"
+cat template.db.in "${KSK1}.key" "${ZSK1}.key" "${KSK2}.key" "${ZSK2}.key" > "$infile"
+private_type_record $zone 8  "$KSK1" >> "$infile"
+private_type_record $zone 8  "$ZSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK2" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+#
+# The zones at csk-algorithm-roll.kasp represent the various steps of a CSK
+# algorithm rollover.
+#
+
+# Step 1:
+# Introduce the first key. This will immediately be active.
+setup step1.csk-algorithm-roll.kasp
+echo "$zone" >> zones
+TactN="now"
+csktimes="-P ${TactN} -P sync ${TactN} -A ${TactN}"
+CSK=$($KEYGEN -k csk-algoroll -l policies/csk1.conf $csktimes $zone 2> keygen.out.$zone.1)
+$SETTIME -s -g $O -k $O $TactN -r $O $TactN -z $O $TactN -d $O $TactN "$CSK" > settime.out.$zone.1 2>&1
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone 5 "$CSK" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -z -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 2:
+# After the publication interval has passed the DNSKEY is OMNIPRESENT.
+setup step2.csk-algorithm-roll.kasp
+# The time passed since the new algorithm keys have been introduced is 3 hours.
+TactN="now-3h"
+TpubN1="now-3h"
+csktimes="-P ${TactN}  -A ${TactN} -P sync ${TactN} -I now"
+newtimes="-P ${TpubN1} -A ${TpubN1}"
+CSK1=$($KEYGEN -k csk-algoroll -l policies/csk1.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-algoroll -l policies/csk2.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -z $O $TactN  -d $O $TactN  "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $R $TpubN1 -r $R $TpubN1 -z $R $TpubN1 -d $H $TpubN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Fake lifetime of old algorithm keys.
+echo "Lifetime: 0" >> "${CSK1}.state"
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone 5  "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -z -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 3:
+# The zone signatures are also OMNIPRESENT.
+setup step3.csk-algorithm-roll.kasp
+# The time passed since the new algorithm keys have been introduced is 9 hours.
+TactN="now-9h"
+TretN="now-6h"
+TpubN1="now-9h"
+TactN1="now-6h"
+csktimes="-P ${TactN}  -A ${TactN} -P sync ${TactN} -I ${TretN}"
+newtimes="-P ${TpubN1} -A ${TpubN1}"
+CSK1=$($KEYGEN -k csk-algoroll -l policies/csk1.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-algoroll -l policies/csk2.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -z $O $TactN  -d $O $TactN  "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TactN1 -r $O $TactN1 -z $R $TpubN1 -d $H $TpubN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Fake lifetime of old algorithm keys.
+echo "Lifetime: 0" >> "${CSK1}.state"
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone 5  "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -z -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 4:
+# The DS is swapped and can become OMNIPRESENT.
+setup step4.csk-algorithm-roll.kasp
+# The time passed since the DS has been swapped is 29 hours.
+TactN="now-38h"
+TretN="now-35h"
+TpubN1="now-38h"
+TactN1="now-35h"
+TsubN1="now-29h"
+csktimes="-P ${TactN}  -A ${TactN} -P sync ${TactN} -I ${TretN}"
+newtimes="-P ${TpubN1} -A ${TpubN1}"
+CSK1=$($KEYGEN -k csk-algoroll -l policies/csk1.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-algoroll -l policies/csk2.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $O $TactN  -r $O $TactN  -z $O $TactN  -d $U $TactN1 -D ds $TactN1 "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TactN1 -r $O $TactN1 -z $O $TsubN1 -d $R $TsubN1 -P ds $TsubN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Fake lifetime of old algorithm keys.
+echo "Lifetime: 0" >> "${CSK1}.state"
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone 5  "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -z -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 5:
+# The DNSKEY is removed long enough to be HIDDEN.
+setup step5.csk-algorithm-roll.kasp
+# The time passed since the DNSKEY has been removed is 2 hours.
+TactN="now-40h"
+TretN="now-37h"
+TremN="now-2h"
+TpubN1="now-40h"
+TactN1="now-37h"
+TsubN1="now-31h"
+csktimes="-P ${TactN}  -A ${TactN} -P sync ${TactN} -I ${TretN}"
+newtimes="-P ${TpubN1} -A ${TpubN1}"
+CSK1=$($KEYGEN -k csk-algoroll -l policies/csk1.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-algoroll -l policies/csk2.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $U $TremN  -r $U $TremN  -z $U $TremN  -d $H $TremN  "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TactN1 -r $O $TactN1 -z $O $TsubN1 -d $O $TremN  "$CSK2" > settime.out.$zone.2 2>&1
+# Fake lifetime of old algorithm keys.
+echo "Lifetime: 0" >> "${CSK1}.state"
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone 5  "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -z -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+# Step 6:
+# The RRSIGs have been removed long enough to be HIDDEN.
+setup step6.csk-algorithm-roll.kasp
+# Additional time passed: 7h.
+TactN="now-47h"
+TretN="now-44h"
+TdeaN="now-9h"
+TremN="now-7h"
+TpubN1="now-47h"
+TactN1="now-44h"
+TsubN1="now-38h"
+csktimes="-P ${TactN}  -A ${TactN} -P sync ${TactN} -I ${TretN}"
+newtimes="-P ${TpubN1} -A ${TpubN1}"
+CSK1=$($KEYGEN -k csk-algoroll -l policies/csk1.conf $csktimes $zone 2> keygen.out.$zone.1)
+CSK2=$($KEYGEN -k csk-algoroll -l policies/csk2.conf $newtimes $zone 2> keygen.out.$zone.2)
+$SETTIME -s -g $H -k $H $TremN  -r $U $TdeaN  -z $U $TdeaN  -d $H $TactN1 "$CSK1" > settime.out.$zone.1 2>&1
+$SETTIME -s -g $O -k $O $TactN1 -r $O $TactN1 -z $O $TsubN1 -d $O $TactN1 "$CSK2" > settime.out.$zone.2 2>&1
+# Fake lifetime of old algorithm keys.
+echo "Lifetime: 0" >> "${CSK1}.state"
+cat template.db.in "${CSK1}.key" "${CSK2}.key" > "$infile"
+private_type_record $zone 5  "$CSK1" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK2" >> "$infile"
+cp $infile $zonefile
+$SIGNER -S -x -z -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+#
+# Reload testing
+#
+echo "example" >> zones
+cp example.db.in example.db
+
+setup "dynamic2inline.kasp"
+cp template.db.in $zonefile
diff --git a/bin/tests/system/kasp/ns6/template.db.in b/bin/tests/system/kasp/ns6/template.db.in
new file mode 100644
index 0000000..f1d8b94
--- /dev/null
+++ b/bin/tests/system/kasp/ns6/template.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns6
+ns6			A	10.53.0.6
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+
diff --git a/bin/tests/system/kasp/setup.sh b/bin/tests/system/kasp/setup.sh
new file mode 100644
index 0000000..67cfa92
--- /dev/null
+++ b/bin/tests/system/kasp/setup.sh
@@ -0,0 +1,80 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+$SHELL clean.sh
+
+mkdir keys
+
+copy_setports ns2/named.conf.in ns2/named.conf
+if ! $SHELL ../testcrypto.sh -q RSASHA1
+then
+	copy_setports ns3/named-fips.conf.in ns3/named.conf
+else
+	copy_setports ns3/named-fips.conf.in ns3/named-fips.conf
+	copy_setports ns3/named.conf.in ns3/named.conf
+fi
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+
+if $SHELL ../testcrypto.sh ed25519; then
+	echo "yes" > ed25519-supported.file
+fi
+
+if $SHELL ../testcrypto.sh ed448; then
+	echo "yes" > ed448-supported.file
+fi
+
+copy_setports ns3/policies/autosign.conf.in ns3/policies/autosign.conf
+copy_setports ns3/policies/kasp-fips.conf.in ns3/policies/kasp-fips.conf
+copy_setports ns3/policies/kasp.conf.in ns3/policies/kasp.conf
+if ! $SHELL ../testcrypto.sh -q RSASHA1
+then
+	cp ns3/policies/kasp-fips.conf ns3/policies/kasp.conf
+fi
+
+copy_setports ns6/policies/csk1.conf.in ns6/policies/csk1.conf
+copy_setports ns6/policies/csk2.conf.in ns6/policies/csk2.conf
+copy_setports ns6/policies/kasp-fips.conf.in ns6/policies/kasp-fips.conf
+copy_setports ns6/policies/kasp.conf.in ns6/policies/kasp.conf
+if ! $SHELL ../testcrypto.sh -q RSASHA1
+then
+	cp ns6/policies/kasp-fips.conf ns6/policies/kasp.conf
+fi
+
+# Setup zones
+(
+	cd ns2
+	$SHELL setup.sh
+)
+(
+	cd ns3
+	$SHELL setup.sh
+)
+(
+	cd ns4
+	$SHELL setup.sh
+)
+(
+	cd ns5
+	$SHELL setup.sh
+)
+(
+	cd ns6
+	$SHELL setup.sh
+)
diff --git a/bin/tests/system/kasp/tests.sh b/bin/tests/system/kasp/tests.sh
new file mode 100644
index 0000000..ddbbd32
--- /dev/null
+++ b/bin/tests/system/kasp/tests.sh
@@ -0,0 +1,4883 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+# shellcheck source=kasp.sh
+. ../kasp.sh
+
+start_time="$(TZ=UTC date +%s)"
+status=0
+n=0
+
+###############################################################################
+# Utilities                                                                   #
+###############################################################################
+
+# Call dig with default options.
+dig_with_opts() {
+
+	if [ -n "$TSIG" ]; then
+		"$DIG" +tcp +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" -y "$TSIG" "$@"
+	else
+		"$DIG" +tcp +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" "$@"
+	fi
+}
+
+# RNDC.
+rndccmd() {
+	"$RNDC" -c ../common/rndc.conf -p "$CONTROLPORT" -s "$@"
+}
+
+# Log error and increment failure rate.
+log_error() {
+	echo_i "error: $1"
+	ret=$((ret+1))
+}
+
+# Default next key event threshold. May be extended by wait periods.
+next_key_event_threshold=100
+
+###############################################################################
+# Tests                                                                       #
+###############################################################################
+
+#
+# dnssec-keygen
+#
+set_zone "kasp"
+set_policy "kasp" "4" "200"
+set_server "keys" "10.53.0.1"
+
+n=$((n+1))
+echo_i "check that 'dnssec-keygen -k' (configured policy) creates valid files ($n)"
+ret=0
+$KEYGEN -K keys -k "$POLICY" -l kasp.conf "$ZONE" > "keygen.out.$POLICY.test$n" 2>/dev/null || ret=1
+lines=$(wc -l < "keygen.out.$POLICY.test$n")
+test "$lines" -eq $NUM_KEYS || log_error "wrong number of keys created for policy kasp: $lines"
+# Temporarily don't log errors because we are searching multiple files.
+disable_logerror
+
+# Key properties.
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "31536000"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+
+set_keyrole      "KEY2" "ksk"
+set_keylifetime  "KEY2" "31536000"
+set_keyalgorithm "KEY2" "8" "RSASHA256" "2048"
+set_keysigning   "KEY2" "yes"
+set_zonesigning  "KEY2" "no"
+
+set_keyrole      "KEY3" "zsk"
+set_keylifetime  "KEY3" "2592000"
+set_keyalgorithm "KEY3" "8" "RSASHA256" "2048"
+set_keysigning   "KEY3" "no"
+set_zonesigning  "KEY3" "yes"
+
+set_keyrole      "KEY4" "zsk"
+set_keylifetime  "KEY4" "16070400"
+set_keyalgorithm "KEY4" "8" "RSASHA256" "3072"
+set_keysigning   "KEY4" "no"
+set_zonesigning  "KEY4" "yes"
+
+lines=$(get_keyids "$DIR" "$ZONE" | wc -l)
+test "$lines" -eq $NUM_KEYS || log_error "bad number of key ids"
+
+ids=$(get_keyids "$DIR" "$ZONE")
+for id in $ids; do
+	# There are four key files with the same algorithm.
+	# Check them until a match is found.
+	ret=0 && check_key "KEY1" "$id"
+	test "$ret" -eq 0 && continue
+
+	ret=0 && check_key "KEY2" "$id"
+	test "$ret" -eq 0 && continue
+
+	ret=0 && check_key "KEY3" "$id"
+	test "$ret" -eq 0 && continue
+
+	ret=0 && check_key "KEY4" "$id"
+
+	# If ret is still non-zero, non of the files matched.
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+done
+# Turn error logs on again.
+enable_logerror
+
+n=$((n+1))
+echo_i "check that 'dnssec-keygen -k' (default policy) creates valid files ($n)"
+ret=0
+set_zone "kasp"
+set_policy "default" "1" "3600"
+set_server "." "10.53.0.1"
+# Key properties.
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+$KEYGEN -G -k "$POLICY" "$ZONE" > "keygen.out.$POLICY.test$n" 2>/dev/null || ret=1
+lines=$(wc -l < "keygen.out.$POLICY.test$n")
+test "$lines" -eq $NUM_KEYS || log_error "wrong number of keys created for policy default: $lines"
+ids=$(get_keyids "$DIR" "$ZONE")
+for id in $ids; do
+	check_key "KEY1" "$id"
+	test "$ret" -eq 0 && key_save KEY1
+	check_keytimes
+done
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# dnssec-settime
+#
+
+# These test builds upon the latest created key with dnssec-keygen and uses the
+# environment variables BASE_FILE, KEY_FILE, PRIVATE_FILE and STATE_FILE.
+CMP_FILE="${BASE_FILE}.cmp"
+n=$((n+1))
+echo_i "check that 'dnssec-settime' by default does not edit key state file ($n)"
+ret=0
+cp "$STATE_FILE" "$CMP_FILE"
+$SETTIME -P +3600 "$BASE_FILE" > /dev/null || log_error "settime failed"
+grep "; Publish: " "$KEY_FILE" > /dev/null || log_error "mismatch published in $KEY_FILE"
+grep "Publish: " "$PRIVATE_FILE" > /dev/null || log_error "mismatch published in $PRIVATE_FILE"
+diff "$CMP_FILE" "$STATE_FILE" || log_error "unexpected file change in $STATE_FILE"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check that 'dnssec-settime -s' also sets publish time metadata and states in key state file ($n)"
+ret=0
+cp "$STATE_FILE" "$CMP_FILE"
+now=$(date +%Y%m%d%H%M%S)
+$SETTIME -s -P "$now" -g "omnipresent" -k "rumoured" "$now" -z "omnipresent" "$now" -r "rumoured" "$now" -d "hidden" "$now" "$BASE_FILE" > /dev/null || log_error "settime failed"
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+check_key "KEY1" "$id"
+test "$ret" -eq 0 && key_save KEY1
+set_keytime  "KEY1" "PUBLISHED"    "${now}"
+check_keytimes
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check that 'dnssec-settime -s' also unsets publish time metadata and states in key state file ($n)"
+ret=0
+cp "$STATE_FILE" "$CMP_FILE"
+$SETTIME -s -P "none" -g "none" -k "none" "$now" -z "none" "$now" -r "none" "$now" -d "none" "$now" "$BASE_FILE" > /dev/null || log_error "settime failed"
+set_keystate "KEY1" "GOAL"         "none"
+set_keystate "KEY1" "STATE_DNSKEY" "none"
+set_keystate "KEY1" "STATE_KRRSIG" "none"
+set_keystate "KEY1" "STATE_ZRRSIG" "none"
+set_keystate "KEY1" "STATE_DS"     "none"
+check_key "KEY1" "$id"
+test "$ret" -eq 0 && key_save KEY1
+set_keytime  "KEY1" "PUBLISHED"    "none"
+check_keytimes
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check that 'dnssec-settime -s' also sets active time metadata and states in key state file (uppercase) ($n)"
+ret=0
+cp "$STATE_FILE" "$CMP_FILE"
+now=$(date +%Y%m%d%H%M%S)
+$SETTIME -s -A "$now" -g "HIDDEN" -k "UNRETENTIVE" "$now" -z "UNRETENTIVE" "$now" -r "OMNIPRESENT" "$now" -d "OMNIPRESENT" "$now" "$BASE_FILE" > /dev/null || log_error "settime failed"
+set_keystate "KEY1" "GOAL"         "hidden"
+set_keystate "KEY1" "STATE_DNSKEY" "unretentive"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_ZRRSIG" "unretentive"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+check_key "KEY1" "$id"
+test "$ret" -eq 0 && key_save KEY1
+set_keytime  "KEY1" "ACTIVE"       "${now}"
+check_keytimes
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# named
+#
+
+# The NSEC record at the apex of the zone and its RRSIG records are
+# added as part of the last step in signing a zone.  We wait for the
+# NSEC records to appear before proceeding with a counter to prevent
+# infinite loops if there is an error.
+n=$((n+1))
+echo_i "waiting for kasp signing changes to take effect ($n)"
+
+_wait_for_done_apexnsec() {
+	while read -r zone
+	do
+		dig_with_opts "$zone" @10.53.0.3 nsec > "dig.out.ns3.test$n.$zone" || return 1
+		grep "NS SOA" "dig.out.ns3.test$n.$zone" > /dev/null || return 1
+		grep "$zone\..*IN.*RRSIG" "dig.out.ns3.test$n.$zone" > /dev/null || return 1
+	done < ns3/zones
+
+	while read -r zone
+	do
+		dig_with_opts "$zone" @10.53.0.6 nsec > "dig.out.ns6.test$n.$zone" || return 1
+		grep "NS SOA" "dig.out.ns6.test$n.$zone" > /dev/null || return 1
+		grep "$zone\..*IN.*RRSIG" "dig.out.ns6.test$n.$zone" > /dev/null || return 1
+	done < ns6/zones
+
+	return 0
+}
+retry_quiet 30 _wait_for_done_apexnsec || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Test max-zone-ttl rejects zones with too high TTL.
+n=$((n+1))
+echo_i "check that max-zone-ttl rejects zones with too high TTL ($n)"
+ret=0
+set_zone "max-zone-ttl.kasp"
+grep "loading from master file ${ZONE}.db failed: out of range" "ns3/named.run" > /dev/null || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Zone: default.kasp.
+#
+set_keytimes_csk_policy() {
+	# The first key is immediately published and activated.
+	created=$(key_get KEY1 CREATED)
+	set_keytime     "KEY1" "PUBLISHED"   "${created}"
+	set_keytime     "KEY1" "ACTIVE"      "${created}"
+	# The DS can be published if the DNSKEY and RRSIG records are
+	# OMNIPRESENT.  This happens after max-zone-ttl (1d) plus
+	# publish-safety (1h) plus zone-propagation-delay (300s) =
+	# 86400 + 3600 + 300 = 90300.
+	set_addkeytime  "KEY1" "SYNCPUBLISH" "${created}" 90300
+	# Key lifetime is unlimited, so not setting RETIRED and REMOVED.
+}
+
+# Check the zone with default kasp policy has loaded and is signed.
+set_zone "default.kasp"
+set_policy "default" "1" "3600"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+# DNSKEY, RRSIG (ksk), RRSIG (zsk) are published. DS needs to wait.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Trigger a keymgr run. Make sure the key files are not touched if there are
+# no modifications to the key metadata.
+n=$((n+1))
+echo_i "make sure key files are untouched if metadata does not change ($n)"
+ret=0
+basefile=$(key_get KEY1 BASEFILE)
+privkey_stat=$(key_get KEY1 PRIVKEY_STAT)
+pubkey_stat=$(key_get KEY1 PUBKEY_STAT)
+state_stat=$(key_get KEY1 STATE_STAT)
+
+nextpart $DIR/named.run > /dev/null
+rndccmd 10.53.0.3 loadkeys "$ZONE" > /dev/null || log_error "rndc loadkeys zone ${ZONE} failed"
+wait_for_log 3 "keymgr: $ZONE done" $DIR/named.run
+privkey_stat2=$(key_stat "${basefile}.private")
+pubkey_stat2=$(key_stat "${basefile}.key")
+state_stat2=$(key_stat "${basefile}.state")
+test "$privkey_stat" = "$privkey_stat2" || log_error "wrong private key file stat (expected $privkey_stat got $privkey_stat2)"
+test "$pubkey_stat" = "$pubkey_stat2" || log_error "wrong public key file stat (expected $pubkey_stat got $pubkey_stat2)"
+test "$state_stat" = "$state_stat2" || log_error "wrong state file stat (expected $state_stat got $state_stat2)"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "again ($n)"
+ret=0
+
+nextpart $DIR/named.run > /dev/null
+rndccmd 10.53.0.3 loadkeys "$ZONE" > /dev/null || log_error "rndc loadkeys zone ${ZONE} failed"
+wait_for_log 3 "keymgr: $ZONE done" $DIR/named.run
+privkey_stat2=$(key_stat "${basefile}.private")
+pubkey_stat2=$(key_stat "${basefile}.key")
+state_stat2=$(key_stat "${basefile}.state")
+test "$privkey_stat" = "$privkey_stat2" || log_error "wrong private key file stat (expected $privkey_stat got $privkey_stat2)"
+test "$pubkey_stat" = "$pubkey_stat2" || log_error "wrong public key file stat (expected $pubkey_stat got $pubkey_stat2)"
+test "$state_stat" = "$state_stat2" || log_error "wrong state file stat (expected $state_stat got $state_stat2)"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Update zone.
+n=$((n+1))
+echo_i "modify unsigned zone file and check that new record is signed for zone ${ZONE} ($n)"
+ret=0
+cp "${DIR}/template2.db.in" "${DIR}/${ZONE}.db"
+rndccmd 10.53.0.3 reload "$ZONE" > /dev/null || log_error "rndc reload zone ${ZONE} failed"
+
+update_is_signed() {
+	ip_a=$1
+	ip_d=$2
+
+	if [ "$ip_a" != "-" ]; then
+		dig_with_opts "a.${ZONE}" "@${SERVER}" A > "dig.out.$DIR.test$n.a" || return 1
+		grep "status: NOERROR" "dig.out.$DIR.test$n.a" > /dev/null || return 1
+		grep "a.${ZONE}\..*${DEFAULT_TTL}.*IN.*A.*${ip_a}" "dig.out.$DIR.test$n.a" > /dev/null || return 1
+		lines=$(get_keys_which_signed A "dig.out.$DIR.test$n.a" | wc -l)
+		test "$lines" -eq 1 || return 1
+		get_keys_which_signed A "dig.out.$DIR.test$n.a" | grep "^${KEY_ID}$" > /dev/null || return 1
+	fi
+
+	if [ "$ip_d" != "-" ]; then
+		dig_with_opts "d.${ZONE}" "@${SERVER}" A > "dig.out.$DIR.test$n".d || return 1
+		grep "status: NOERROR" "dig.out.$DIR.test$n".d > /dev/null || return 1
+		grep "d.${ZONE}\..*${DEFAULT_TTL}.*IN.*A.*${ip_d}" "dig.out.$DIR.test$n".d > /dev/null || return 1
+		lines=$(get_keys_which_signed A "dig.out.$DIR.test$n".d | wc -l)
+		test "$lines" -eq 1 || return 1
+		get_keys_which_signed A "dig.out.$DIR.test$n".d | grep "^${KEY_ID}$" > /dev/null || return 1
+	fi
+}
+
+retry_quiet 10 update_is_signed "10.0.0.11" "10.0.0.44" || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Move the private key file, a rekey event should not introduce replacement
+# keys.
+ret=0
+echo_i "test that if private key files are inaccessible this doesn't trigger a rollover ($n)"
+basefile=$(key_get KEY1 BASEFILE)
+mv "${basefile}.private" "${basefile}.offline"
+rndccmd 10.53.0.3 loadkeys "$ZONE" > /dev/null || log_error "rndc loadkeys zone ${ZONE} failed"
+wait_for_log 3 "offline, policy default" $DIR/named.run || ret=1
+mv "${basefile}.offline" "${basefile}.private"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Nothing has changed.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: dynamic.kasp
+#
+set_zone "dynamic.kasp"
+set_dynamic
+set_policy "default" "1" "3600"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Update zone with nsupdate.
+n=$((n+1))
+echo_i "nsupdate zone and check that new record is signed for zone ${ZONE} ($n)"
+ret=0
+(
+echo zone ${ZONE}
+echo server 10.53.0.3 "$PORT"
+echo update del "a.${ZONE}" 300 A 10.0.0.1
+echo update add "a.${ZONE}" 300 A 10.0.0.101
+echo update add "d.${ZONE}" 300 A 10.0.0.4
+echo send
+) | $NSUPDATE
+
+retry_quiet 10 update_is_signed "10.0.0.101" "10.0.0.4" || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Update zone with nsupdate (reverting the above change).
+n=$((n+1))
+echo_i "nsupdate zone and check that new record is signed for zone ${ZONE} ($n)"
+ret=0
+(
+echo zone ${ZONE}
+echo server 10.53.0.3 "$PORT"
+echo update add "a.${ZONE}" 300 A 10.0.0.1
+echo update del "a.${ZONE}" 300 A 10.0.0.101
+echo update del "d.${ZONE}" 300 A 10.0.0.4
+echo send
+) | $NSUPDATE
+
+retry_quiet 10 update_is_signed "10.0.0.1" "-" || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Update zone with freeze/thaw.
+n=$((n+1))
+echo_i "modify zone file and check that new record is signed for zone ${ZONE} ($n)"
+ret=0
+rndccmd 10.53.0.3 freeze "$ZONE" > /dev/null || log_error "rndc freeze zone ${ZONE} failed"
+sleep 1
+echo "d.${ZONE}. 300 A 10.0.0.44" >> "${DIR}/${ZONE}.db"
+rndccmd 10.53.0.3 thaw "$ZONE" > /dev/null || log_error "rndc thaw zone ${ZONE} failed"
+
+retry_quiet 10 update_is_signed "10.0.0.1" "10.0.0.44" || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Zone: dynamic-inline-signing.kasp
+#
+set_zone "dynamic-inline-signing.kasp"
+set_dynamic
+set_policy "default" "1" "3600"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Update zone with freeze/thaw.
+n=$((n+1))
+echo_i "modify unsigned zone file and check that new record is signed for zone ${ZONE} ($n)"
+ret=0
+rndccmd 10.53.0.3 freeze "$ZONE" > /dev/null || log_error "rndc freeze zone ${ZONE} failed"
+sleep 1
+cp "${DIR}/template2.db.in" "${DIR}/${ZONE}.db"
+rndccmd 10.53.0.3 thaw "$ZONE" > /dev/null || log_error "rndc thaw zone ${ZONE} failed"
+
+retry_quiet 10 update_is_signed || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Zone: inline-signing.kasp
+#
+set_zone "inline-signing.kasp"
+set_policy "default" "1" "3600"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: checkds-ksk.kasp.
+#
+key_clear "KEY1"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+set_zone "checkds-ksk.kasp"
+set_policy "checkds-ksk" "2" "303"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "no"
+
+set_keyrole      "KEY2" "zsk"
+set_keylifetime  "KEY2" "0"
+set_keyalgorithm "KEY2" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY2" "no"
+set_zonesigning  "KEY2" "yes"
+# DNSKEY, RRSIG (ksk), RRSIG (zsk) are published. DS needs to wait.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY2" "STATE_ZRRSIG" "rumoured"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+basefile=$(key_get KEY1 BASEFILE)
+
+_wait_for_metadata() {
+	_expr=$1
+	_file=$2
+	grep "$_expr" $_file > /dev/null || return 1
+	return 0
+}
+
+n=$((n+1))
+echo_i "checkds publish correctly sets DSPublish for zone $ZONE ($n)"
+now=$(date +%Y%m%d%H%M%S)
+rndc_checkds "$SERVER" "$DIR" "-" "$now" "published" "$ZONE"
+retry_quiet 3 _wait_for_metadata "DSPublish: $now" "${basefile}.state" || log_error "bad DSPublish in ${basefile}.state"
+# DS State should be forced into RUMOURED.
+set_keystate "KEY1" "STATE_DS"     "rumoured"
+check_keys
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checkds withdraw correctly sets DSRemoved for zone $ZONE ($n)"
+now=$(date +%Y%m%d%H%M%S)
+rndc_checkds "$SERVER" "$DIR" "-" "$now" "withdrawn" "$ZONE"
+retry_quiet 3 _wait_for_metadata "DSRemoved: $now" "${basefile}.state" || log_error "bad DSRemoved in ${basefile}.state"
+# DS State should be forced into UNRETENTIVE.
+set_keystate "KEY1" "STATE_DS"     "unretentive"
+check_keys
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Zone: checkds-doubleksk.kasp.
+#
+key_clear "KEY1"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+set_zone "checkds-doubleksk.kasp"
+set_policy "checkds-doubleksk" "3" "303"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "no"
+
+set_keyrole      "KEY2" "ksk"
+set_keylifetime  "KEY2" "0"
+set_keyalgorithm "KEY2" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY2" "yes"
+set_zonesigning  "KEY2" "no"
+
+set_keyrole      "KEY3" "zsk"
+set_keylifetime  "KEY3" "0"
+set_keyalgorithm "KEY3" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY3" "no"
+set_zonesigning  "KEY3" "yes"
+# DNSKEY, RRSIG (ksk), RRSIG (zsk) are published. DS needs to wait.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY2" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY2" "STATE_DS"     "hidden"
+
+set_keystate "KEY3" "GOAL"         "omnipresent"
+set_keystate "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY3" "STATE_ZRRSIG" "rumoured"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+basefile1=$(key_get KEY1 BASEFILE)
+basefile2=$(key_get KEY2 BASEFILE)
+
+n=$((n+1))
+echo_i "checkds published does not set DSPublish for zone $ZONE (multiple KSK) ($n)"
+rndc_checkds "$SERVER" "$DIR" "-" "20200102121314" "published" "$ZONE"
+grep "DSPublish:" "${basefile1}.state" > /dev/null && log_error "DSPublish incorrectly set in ${basefile1}"
+grep "DSPublish:" "${basefile2}.state" > /dev/null && log_error "DSPublish incorrectly set in ${basefile2}"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checkds withdrawn does not set DSRemoved for zone $ZONE (multiple KSK) ($n)"
+rndc_checkds "$SERVER" "$DIR" "-" "20190102121314" "withdrawn" "$ZONE"
+grep "DSRemoved:" "${basefile1}.state" > /dev/null && log_error "DSRemoved incorrectly set in ${basefile1}"
+grep "DSRemoved:" "${basefile2}.state" > /dev/null && log_error "DSRemoved incorrectly set in ${basefile2}"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checkds published does not set DSPublish for zone $ZONE (wrong algorithm) ($n)"
+rndccmd "$SERVER" dnssec -checkds -key $(key_get KEY1 ID) -alg 8 "published" "$ZONE" > rndc.dnssec.checkds.out.$ZONE.$n
+grep "DSPublish:" "${basefile1}.state" > /dev/null && log_error "DSPublish incorrectly set in ${basefile1}"
+grep "DSPublish:" "${basefile2}.state" > /dev/null && log_error "DSPublish incorrectly set in ${basefile2}"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checkds withdrawn does not set DSRemoved for zone $ZONE (wrong algorithm) ($n)"
+rndccmd "$SERVER" dnssec -checkds -key $(key_get KEY1 ID) -alg RSASHA256 "withdrawn" "$ZONE" > rndc.dnssec.checkds.out.$ZONE.$n
+grep "DSRemoved:" "${basefile1}.state" > /dev/null && log_error "DSRemoved incorrectly set in ${basefile1}"
+grep "DSRemoved:" "${basefile2}.state" > /dev/null && log_error "DSRemoved incorrectly set in ${basefile2}"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checkds published -key correctly sets DSPublish for key $(key_get KEY1 ID) zone $ZONE (multiple KSK) ($n)"
+rndc_checkds "$SERVER" "$DIR" KEY1 "20190102121314" "published" "$ZONE"
+retry_quiet 3 _wait_for_metadata "DSPublish: 20190102121314" "${basefile1}.state" || log_error "bad DSPublish in ${basefile1}.state"
+grep "DSPublish:" "${basefile2}.state" > /dev/null && log_error "DSPublish incorrectly set in ${basefile2}"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checkds withdrawn -key correctly sets DSRemoved for key $(key_get KEY2 ID) zone $ZONE (multiple KSK) ($n)"
+rndc_checkds "$SERVER" "$DIR" KEY2 "20200102121314" "withdrawn" "$ZONE"
+grep "DSRemoved:" "${basefile1}.state" > /dev/null && log_error "DSPublish incorrectly set in ${basefile1}"
+retry_quiet 3 _wait_for_metadata "DSRemoved: 20200102121314" "${basefile2}.state" || log_error "bad DSRemoved in ${basefile2}.state"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Zone: checkds-csk.kasp.
+#
+key_clear "KEY1"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+set_zone "checkds-csk.kasp"
+set_policy "checkds-csk" "1" "303"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+# DNSKEY, RRSIG (ksk), RRSIG (zsk) are published. DS needs to wait.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+basefile=$(key_get KEY1 BASEFILE)
+
+n=$((n+1))
+echo_i "checkds publish correctly sets DSPublish for zone $ZONE ($n)"
+rndc_checkds "$SERVER" "$DIR" "-" "20190102121314" "published" "$ZONE"
+retry_quiet 3 _wait_for_metadata "DSPublish: 20190102121314" "${basefile}.state" || log_error "bad DSPublish in ${basefile}.state"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checkds withdraw correctly sets DSRemoved for zone $ZONE ($n)"
+rndc_checkds "$SERVER" "$DIR" "-" "20200102121314" "withdrawn" "$ZONE"
+retry_quiet 3 _wait_for_metadata "DSRemoved: 20200102121314" "${basefile}.state" || log_error "bad DSRemoved in ${basefile}.state"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Set keytimes for dnssec-policy with various algorithms.
+# These all use the same time values.
+set_keytimes_algorithm_policy() {
+	# The first KSK is immediately published and activated.
+	created=$(key_get KEY1 CREATED)
+	set_keytime    "KEY1" "PUBLISHED" "${created}"
+	set_keytime    "KEY1" "ACTIVE"    "${created}"
+	# Key was pregenerated.
+	if [ "$1" = "pregenerated" ]; then
+		keyfile=$(key_get KEY1 BASEFILE)
+		grep "; Publish:" "${keyfile}.key" > published.test${n}.key1
+		published=$(awk '{print $3}' < published.test${n}.key1)
+		set_keytime "KEY1" "PUBLISHED" "${published}"
+		set_keytime "KEY1" "ACTIVE"    "${published}"
+	fi
+	published=$(key_get KEY1 PUBLISHED)
+
+	# The DS can be published if the DNSKEY and RRSIG records are
+	# OMNIPRESENT.  This happens after max-zone-ttl (1d) plus
+	# publish-safety (1h) plus zone-propagation-delay (300s) =
+	# 86400 + 3600 + 300 = 90300.
+	set_addkeytime "KEY1" "SYNCPUBLISH" "${published}" 90300
+	# Key lifetime is 10 years, 315360000 seconds.
+	set_addkeytime "KEY1" "RETIRED"     "${published}" 315360000
+	# The key is removed after the retire time plus DS TTL (1d),
+	# parent propagation delay (1h), and retire safety (1h) =
+	# 86400 + 3600 + 3600 = 93600.
+	retired=$(key_get KEY1 RETIRED)
+	set_addkeytime "KEY1" "REMOVED"     "${retired}"   93600
+
+	# The first ZSKs are immediately published and activated.
+	created=$(key_get KEY2 CREATED)
+	set_keytime    "KEY2" "PUBLISHED" "${created}"
+	set_keytime    "KEY2" "ACTIVE"    "${created}"
+	# Key was pregenerated.
+	if [ "$1" = "pregenerated" ]; then
+		keyfile=$(key_get KEY2 BASEFILE)
+		grep "; Publish:" "${keyfile}.key" > published.test${n}.key2
+		published=$(awk '{print $3}' < published.test${n}.key2)
+		set_keytime "KEY2" "PUBLISHED" "${published}"
+		set_keytime "KEY2" "ACTIVE"    "${published}"
+	fi
+	published=$(key_get KEY2 PUBLISHED)
+
+	# Key lifetime for KSK2 is 5 years, 157680000 seconds.
+	set_addkeytime "KEY2" "RETIRED"   "${published}" 157680000
+	# The key is removed after the retire time plus max zone ttl (1d), zone
+	# propagation delay (300s), retire safety (1h), and sign delay
+	# (signature validity minus refresh, 9d) =
+	# 86400 + 300 + 3600 + 777600 = 867900.
+	retired=$(key_get KEY2 RETIRED)
+	set_addkeytime "KEY2" "REMOVED"   "${retired}"   867900
+
+	# Second ZSK (KEY3).
+	created=$(key_get KEY3 CREATED)
+	set_keytime    "KEY3" "PUBLISHED" "${created}"
+	set_keytime    "KEY3" "ACTIVE"    "${created}"
+	# Key was pregenerated.
+	if [ "$1" = "pregenerated" ]; then
+		keyfile=$(key_get KEY3 BASEFILE)
+		grep "; Publish:" "${keyfile}.key" > published.test${n}.key3
+		published=$(awk '{print $3}' < published.test${n}.key3)
+		set_keytime "KEY3" "PUBLISHED" "${published}"
+		set_keytime "KEY3" "ACTIVE"    "${published}"
+	fi
+	published=$(key_get KEY3 PUBLISHED)
+
+	# Key lifetime for KSK3 is 1 year, 31536000 seconds.
+	set_addkeytime "KEY3" "RETIRED"   "${published}" 31536000
+	retired=$(key_get KEY3 RETIRED)
+	set_addkeytime "KEY3" "REMOVED"   "${retired}"   867900
+}
+
+#
+# Zone: rsasha1.kasp.
+#
+if $SHELL ../testcrypto.sh -q RSASHA1
+then
+	set_zone "rsasha1.kasp"
+	set_policy "rsasha1" "3" "1234"
+	set_server "ns3" "10.53.0.3"
+	# Key properties.
+	key_clear        "KEY1"
+	set_keyrole      "KEY1" "ksk"
+	set_keylifetime  "KEY1" "315360000"
+	set_keyalgorithm "KEY1" "5" "RSASHA1" "2048"
+	set_keysigning   "KEY1" "yes"
+	set_zonesigning  "KEY1" "no"
+
+	key_clear        "KEY2"
+	set_keyrole      "KEY2" "zsk"
+	set_keylifetime  "KEY2" "157680000"
+	set_keyalgorithm "KEY2" "5" "RSASHA1" "2048"
+	set_keysigning   "KEY2" "no"
+	set_zonesigning  "KEY2" "yes"
+
+	key_clear        "KEY3"
+	set_keyrole      "KEY3" "zsk"
+	set_keylifetime  "KEY3" "31536000"
+	set_keyalgorithm "KEY3" "5" "RSASHA1" "2000"
+	set_keysigning   "KEY3" "no"
+	set_zonesigning  "KEY3" "yes"
+
+	# KSK: DNSKEY, RRSIG (ksk) published. DS needs to wait.
+	# ZSK: DNSKEY, RRSIG (zsk) published.
+	set_keystate "KEY1" "GOAL"         "omnipresent"
+	set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+	set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+	set_keystate "KEY1" "STATE_DS"     "hidden"
+
+	set_keystate "KEY2" "GOAL"         "omnipresent"
+	set_keystate "KEY2" "STATE_DNSKEY" "rumoured"
+	set_keystate "KEY2" "STATE_ZRRSIG" "rumoured"
+
+	set_keystate "KEY3" "GOAL"         "omnipresent"
+	set_keystate "KEY3" "STATE_DNSKEY" "rumoured"
+	set_keystate "KEY3" "STATE_ZRRSIG" "rumoured"
+	# Three keys only.
+	key_clear "KEY4"
+
+	check_keys
+	check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+	set_keytimes_algorithm_policy
+	check_keytimes
+	check_apex
+	check_subdomain
+	dnssec_verify
+fi
+
+#
+# Zone: unsigned.kasp.
+#
+set_zone "unsigned.kasp"
+set_policy "none" "0" "0"
+set_server "ns3" "10.53.0.3"
+
+key_clear "KEY1"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+# Make sure the zone file is untouched.
+n=$((n+1))
+echo_i "Make sure the zonefile for zone ${ZONE} is not edited ($n)"
+ret=0
+diff "${DIR}/${ZONE}.db.infile" "${DIR}/${ZONE}.db" || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Zone: insecure.kasp.
+#
+set_zone "insecure.kasp"
+set_policy "insecure" "0" "0"
+set_server "ns3" "10.53.0.3"
+
+key_clear "KEY1"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+#
+# Zone: unlimited.kasp.
+#
+set_zone "unlimited.kasp"
+set_policy "unlimited" "1" "1234"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+# DNSKEY, RRSIG (ksk), RRSIG (zsk) are published. DS needs to wait.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: inherit.kasp.
+#
+set_zone "inherit.kasp"
+set_policy "rsasha256" "3" "1234"
+set_server "ns3" "10.53.0.3"
+
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "315360000"
+set_keyalgorithm "KEY1" "8" "RSASHA256" "2048"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "no"
+
+key_clear        "KEY2"
+set_keyrole      "KEY2" "zsk"
+set_keylifetime  "KEY2" "157680000"
+set_keyalgorithm "KEY2" "8" "RSASHA256" "2048"
+set_keysigning   "KEY2" "no"
+set_zonesigning  "KEY2" "yes"
+
+key_clear        "KEY3"
+set_keyrole      "KEY3" "zsk"
+set_keylifetime  "KEY3" "31536000"
+set_keyalgorithm "KEY3" "8" "RSASHA256" "3072"
+set_keysigning   "KEY3" "no"
+set_zonesigning  "KEY3" "yes"
+# KSK: DNSKEY, RRSIG (ksk) published. DS needs to wait.
+# ZSK: DNSKEY, RRSIG (zsk) published.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY2" "STATE_ZRRSIG" "rumoured"
+
+set_keystate "KEY3" "GOAL"         "omnipresent"
+set_keystate "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY3" "STATE_ZRRSIG" "rumoured"
+# Three keys only.
+key_clear "KEY4"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_algorithm_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: dnssec-keygen.kasp.
+#
+set_zone "dnssec-keygen.kasp"
+set_policy "rsasha256" "3" "1234"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_algorithm_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: some-keys.kasp.
+#
+set_zone "some-keys.kasp"
+set_policy "rsasha256" "3" "1234"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_algorithm_policy "pregenerated"
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: pregenerated.kasp.
+#
+# There are more pregenerated keys than needed, hence the number of keys is
+# six, not three.
+set_zone "pregenerated.kasp"
+set_policy "rsasha256" "6" "1234"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_algorithm_policy "pregenerated"
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: rumoured.kasp.
+#
+# There are three keys in rumoured state.
+set_zone "rumoured.kasp"
+set_policy "rsasha256" "3" "1234"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_algorithm_policy
+# Activation date is a day later.
+set_addkeytime "KEY1" "ACTIVE"   $(key_get KEY1 ACTIVE)  86400
+set_addkeytime "KEY1" "RETIRED"  $(key_get KEY1 RETIRED) 86400
+set_addkeytime "KEY1" "REMOVED"  $(key_get KEY1 REMOVED) 86400
+set_addkeytime "KEY2" "ACTIVE"   $(key_get KEY2 ACTIVE)  86400
+set_addkeytime "KEY2" "RETIRED"  $(key_get KEY2 RETIRED) 86400
+set_addkeytime "KEY2" "REMOVED"  $(key_get KEY2 REMOVED) 86400
+set_addkeytime "KEY3" "ACTIVE"   $(key_get KEY3 ACTIVE)  86400
+set_addkeytime "KEY3" "RETIRED"  $(key_get KEY3 RETIRED) 86400
+set_addkeytime "KEY3" "REMOVED"  $(key_get KEY3 REMOVED) 86400
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: secondary.kasp.
+#
+set_zone "secondary.kasp"
+set_policy "rsasha256" "3" "1234"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_algorithm_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Update zone.
+n=$((n+1))
+echo_i "check that we correctly sign the zone after IXFR for zone ${ZONE} ($n)"
+ret=0
+cp ns2/secondary.kasp.db.in2 ns2/secondary.kasp.db
+rndccmd 10.53.0.2 reload "$ZONE" > /dev/null || log_error "rndc reload zone ${ZONE} failed"
+
+_wait_for_done_subdomains() {
+	ret=0
+	dig_with_opts "a.${ZONE}" "@${SERVER}" A > "dig.out.$DIR.test$n.a" || return 1
+	grep "status: NOERROR" "dig.out.$DIR.test$n.a" > /dev/null || return 1
+	grep "a.${ZONE}\..*${DEFAULT_TTL}.*IN.*A.*10\.0\.0\.11" "dig.out.$DIR.test$n.a" > /dev/null || return 1
+	check_signatures $_qtype "dig.out.$DIR.test$n.a" "ZSK"
+	if [ $ret -gt 0 ]; then return $ret; fi
+
+	dig_with_opts "d.${ZONE}" "@${SERVER}" A > "dig.out.$DIR.test$n.d" || return 1
+	grep "status: NOERROR" "dig.out.$DIR.test$n.d" > /dev/null || return 1
+	grep "d.${ZONE}\..*${DEFAULT_TTL}.*IN.*A.*10\.0\.0\.4" "dig.out.$DIR.test$n.d" > /dev/null || return 1
+	check_signatures $_qtype "dig.out.$DIR.test$n.d" "ZSK"
+	return $ret
+}
+retry_quiet 5 _wait_for_done_subdomains || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# TODO: we might want to test:
+# - configuring a zone with too many active keys (should trigger retire).
+# - configuring a zone with keys not matching the policy.
+
+#
+# Zone: rsasha1-nsec3.kasp.
+#
+if $SHELL ../testcrypto.sh -q RSASHA1
+then
+	set_zone "rsasha1-nsec3.kasp"
+	set_policy "rsasha1-nsec3" "3" "1234"
+	set_server "ns3" "10.53.0.3"
+	# Key properties.
+	set_keyalgorithm "KEY1" "7" "NSEC3RSASHA1" "2048"
+	set_keyalgorithm "KEY2" "7" "NSEC3RSASHA1" "2048"
+	set_keyalgorithm "KEY3" "7" "NSEC3RSASHA1" "2000"
+	# Key timings and states same as above.
+
+	check_keys
+	check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+	set_keytimes_algorithm_policy
+	check_keytimes
+	check_apex
+	check_subdomain
+	dnssec_verify
+fi
+
+#
+# Zone: rsasha256.kasp.
+#
+set_zone "rsasha256.kasp"
+set_policy "rsasha256" "3" "1234"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+set_keyalgorithm "KEY1" "8" "RSASHA256" "2048"
+set_keyalgorithm "KEY2" "8" "RSASHA256" "2048"
+set_keyalgorithm "KEY3" "8" "RSASHA256" "3072"
+# Key timings and states same as above.
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_algorithm_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: rsasha512.kasp.
+#
+set_zone "rsasha512.kasp"
+set_policy "rsasha512" "3" "1234"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+set_keyalgorithm "KEY1" "10" "RSASHA512" "2048"
+set_keyalgorithm "KEY2" "10" "RSASHA512" "2048"
+set_keyalgorithm "KEY3" "10" "RSASHA512" "3072"
+# Key timings and states same as above.
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_algorithm_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: ecdsa256.kasp.
+#
+set_zone "ecdsa256.kasp"
+set_policy "ecdsa256" "3" "1234"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keyalgorithm "KEY2" "13" "ECDSAP256SHA256" "256"
+set_keyalgorithm "KEY3" "13" "ECDSAP256SHA256" "256"
+# Key timings and states same as above.
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_algorithm_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: ecdsa512.kasp.
+#
+set_zone "ecdsa384.kasp"
+set_policy "ecdsa384" "3" "1234"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+set_keyalgorithm "KEY1" "14" "ECDSAP384SHA384" "384"
+set_keyalgorithm "KEY2" "14" "ECDSAP384SHA384" "384"
+set_keyalgorithm "KEY3" "14" "ECDSAP384SHA384" "384"
+# Key timings and states same as above.
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_algorithm_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone: ed25519.kasp.
+#
+if [ -f ed25519-supported.file ]; then
+	set_zone "ed25519.kasp"
+	set_policy "ed25519" "3" "1234"
+	set_server "ns3" "10.53.0.3"
+	# Key properties.
+	set_keyalgorithm "KEY1" "15" "ED25519" "256"
+	set_keyalgorithm "KEY2" "15" "ED25519" "256"
+	set_keyalgorithm "KEY3" "15" "ED25519" "256"
+	# Key timings and states same as above.
+
+	check_keys
+	check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+	set_keytimes_algorithm_policy
+	check_keytimes
+	check_apex
+	check_subdomain
+	dnssec_verify
+fi
+
+#
+# Zone: ed448.kasp.
+#
+if [ -f ed448-supported.file ]; then
+	set_zone "ed448.kasp"
+	set_policy "ed448" "3" "1234"
+	set_server "ns3" "10.53.0.3"
+	# Key properties.
+	set_keyalgorithm "KEY1" "16" "ED448" "456"
+	set_keyalgorithm "KEY2" "16" "ED448" "456"
+	set_keyalgorithm "KEY3" "16" "ED448" "456"
+	# Key timings and states same as above.
+
+	check_keys
+	check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+	set_keytimes_algorithm_policy
+	check_keytimes
+	check_apex
+	check_subdomain
+	dnssec_verify
+fi
+
+# Set key times for 'autosign' policy.
+set_keytimes_autosign_policy() {
+	# The KSK was published six months ago (with settime).
+	created=$(key_get KEY1 CREATED)
+	set_addkeytime "KEY1" "PUBLISHED"   "${created}" -15552000
+	set_addkeytime "KEY1" "ACTIVE"      "${created}" -15552000
+	set_addkeytime "KEY1" "SYNCPUBLISH" "${created}" -15552000
+	# Key lifetime is 2 years, 63072000 seconds.
+	active=$(key_get KEY1 ACTIVE)
+	set_addkeytime "KEY1" "RETIRED"     "${active}"  63072000
+	# The key is removed after the retire time plus DS TTL (1d),
+	# parent propagation delay (1h), retire safety (1h) =
+	# 86400 + 3600 + 3600 = 93600
+	retired=$(key_get KEY1 RETIRED)
+	set_addkeytime "KEY1" "REMOVED"     "${retired}" 93600
+
+	# The ZSK was published six months ago (with settime).
+	created=$(key_get KEY2 CREATED)
+	set_addkeytime "KEY2" "PUBLISHED"   "${created}" -15552000
+	set_addkeytime "KEY2" "ACTIVE"      "${created}" -15552000
+	# Key lifetime for KSK2 is 1 year, 31536000 seconds.
+	active=$(key_get KEY2 ACTIVE)
+	set_addkeytime "KEY2" "RETIRED"     "${active}"  31536000
+	# The key is removed after the retire time plus:
+        # TTLsig (RRSIG TTL):       1 day (86400 seconds)
+	# Dprp (propagation delay): 5 minutes (300 seconds)
+        # retire-safety:            1 hour (3600 seconds)
+        # Dsgn (sign delay):        7 days (604800 seconds)
+        # Iret:                     695100 seconds.
+	retired=$(key_get KEY2 RETIRED)
+	set_addkeytime "KEY2" "REMOVED"     "${retired}" 695100
+}
+
+#
+# Zone: expired-sigs.autosign.
+#
+set_zone "expired-sigs.autosign"
+set_policy "autosign" "2" "300"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "63072000"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "no"
+
+key_clear        "KEY2"
+set_keyrole      "KEY2" "zsk"
+set_keylifetime  "KEY2" "31536000"
+set_keyalgorithm "KEY2" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY2" "no"
+set_zonesigning  "KEY2" "yes"
+
+# Both KSK and ZSK stay OMNIPRESENT.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY2" "STATE_ZRRSIG" "omnipresent"
+# Expect only two keys.
+key_clear "KEY3"
+key_clear "KEY4"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_autosign_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Verify all signatures have been refreshed.
+check_rrsig_refresh() {
+	# Apex.
+	_qtypes="DNSKEY SOA NS NSEC"
+	for _qtype in $_qtypes
+	do
+		n=$((n+1))
+		echo_i "check ${_qtype} rrsig is refreshed correctly for zone ${ZONE} ($n)"
+		ret=0
+		dig_with_opts "$ZONE" "@${SERVER}" "$_qtype" > "dig.out.$DIR.test$n" || log_error "dig ${ZONE} ${_qtype} failed"
+		grep "status: NOERROR" "dig.out.$DIR.test$n" > /dev/null || log_error "mismatch status in DNS response"
+		grep "${ZONE}\..*IN.*RRSIG.*${_qtype}.*${ZONE}" "dig.out.$DIR.test$n" > "rrsig.out.$ZONE.$_qtype" || log_error "missing RRSIG (${_qtype}) record in response"
+		# If this exact RRSIG is also in the zone file it is not refreshed.
+		_rrsig=$(cat "rrsig.out.$ZONE.$_qtype")
+		grep "${_rrsig}" "${DIR}/${ZONE}.db" > /dev/null && log_error "RRSIG (${_qtype}) not refreshed in zone ${ZONE}"
+		test "$ret" -eq 0 || echo_i "failed"
+		status=$((status+ret))
+	done
+
+	# Below apex.
+	_labels="a b c ns3"
+	for _label in $_labels;
+	do
+		_qtypes="A NSEC"
+		for _qtype in $_qtypes
+		do
+			n=$((n+1))
+			echo_i "check ${_label} ${_qtype} rrsig is refreshed correctly for zone ${ZONE} ($n)"
+			ret=0
+			dig_with_opts "${_label}.${ZONE}" "@${SERVER}" "$_qtype" > "dig.out.$DIR.test$n" || log_error "dig ${_label}.${ZONE} ${_qtype} failed"
+			grep "status: NOERROR" "dig.out.$DIR.test$n" > /dev/null || log_error "mismatch status in DNS response"
+			grep "${ZONE}\..*IN.*RRSIG.*${_qtype}.*${ZONE}" "dig.out.$DIR.test$n" > "rrsig.out.$ZONE.$_qtype" || log_error "missing RRSIG (${_qtype}) record in response"
+			_rrsig=$(cat "rrsig.out.$ZONE.$_qtype")
+			grep "${_rrsig}" "${DIR}/${ZONE}.db" > /dev/null && log_error "RRSIG (${_qtype}) not refreshed in zone ${ZONE}"
+			test "$ret" -eq 0 || echo_i "failed"
+			status=$((status+ret))
+		done
+	done
+}
+
+check_rrsig_refresh
+
+#
+# Zone: fresh-sigs.autosign.
+#
+set_zone "fresh-sigs.autosign"
+set_policy "autosign" "2" "300"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_autosign_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Verify signature reuse.
+check_rrsig_reuse() {
+	# Apex.
+	_qtypes="NS NSEC"
+	for _qtype in $_qtypes
+	do
+		n=$((n+1))
+		echo_i "check ${_qtype} rrsig is reused correctly for zone ${ZONE} ($n)"
+		ret=0
+		dig_with_opts "$ZONE" "@${SERVER}" "$_qtype" > "dig.out.$DIR.test$n" || log_error "dig ${ZONE} ${_qtype} failed"
+		grep "status: NOERROR" "dig.out.$DIR.test$n" > /dev/null || log_error "mismatch status in DNS response"
+		grep "${ZONE}\..*IN.*RRSIG.*${_qtype}.*${ZONE}" "dig.out.$DIR.test$n" > "rrsig.out.$ZONE.$_qtype" || log_error "missing RRSIG (${_qtype}) record in response"
+		# If this exact RRSIG is also in the signed zone file it is not refreshed.
+		_rrsig=$(awk '{print $5, $6, $7, $8, $9, $10, $11, $12, $13, $14;}' < "rrsig.out.$ZONE.$_qtype")
+		$CHECKZONE -f raw -F text -s full -o zone.out.${ZONE}.test$n "${ZONE}" "${DIR}/${ZONE}.db.signed" > /dev/null
+		grep "${_rrsig}" zone.out.${ZONE}.test$n > /dev/null || log_error "RRSIG (${_qtype}) not reused in zone ${ZONE}"
+		test "$ret" -eq 0 || echo_i "failed"
+		status=$((status+ret))
+	done
+
+	# Below apex.
+	_labels="a b c ns3"
+	for _label in $_labels;
+	do
+		_qtypes="A NSEC"
+		for _qtype in $_qtypes
+		do
+			n=$((n+1))
+			echo_i "check ${_label} ${_qtype} rrsig is reused correctly for zone ${ZONE} ($n)"
+			ret=0
+			dig_with_opts "${_label}.${ZONE}" "@${SERVER}" "$_qtype" > "dig.out.$DIR.test$n" || log_error "dig ${_label}.${ZONE} ${_qtype} failed"
+			grep "status: NOERROR" "dig.out.$DIR.test$n" > /dev/null || log_error "mismatch status in DNS response"
+			grep "${ZONE}\..*IN.*RRSIG.*${_qtype}.*${ZONE}" "dig.out.$DIR.test$n" > "rrsig.out.$ZONE.$_qtype" || log_error "missing RRSIG (${_qtype}) record in response"
+			# If this exact RRSIG is also in the signed zone file it is not refreshed.
+			_rrsig=$(awk '{print $5, $6, $7, $8, $9, $10, $11, $12, $13, $14;}' < "rrsig.out.$ZONE.$_qtype")
+			$CHECKZONE -f raw -F text -s full -o zone.out.${ZONE}.test$n "${ZONE}" "${DIR}/${ZONE}.db.signed" > /dev/null
+			grep "${_rrsig}" zone.out.${ZONE}.test$n > /dev/null || log_error "RRSIG (${_qtype}) not reused in zone ${ZONE}"
+			test "$ret" -eq 0 || echo_i "failed"
+			status=$((status+ret))
+		done
+	done
+}
+
+check_rrsig_reuse
+
+#
+# Zone: unfresh-sigs.autosign.
+#
+set_zone "unfresh-sigs.autosign"
+set_policy "autosign" "2" "300"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_autosign_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+check_rrsig_refresh
+
+#
+# Zone: ksk-missing.autosign.
+#
+set_zone "ksk-missing.autosign"
+set_policy "autosign" "2" "300"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+# Skip checking the private file, because it is missing.
+key_set "KEY1" "PRIVATE" "no"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+# Restore the PRIVATE variable.
+key_set "KEY1" "PRIVATE" "yes"
+
+#
+# Zone: zsk-missing.autosign.
+#
+set_zone "zsk-missing.autosign"
+set_policy "autosign" "2" "300"
+set_server "ns3" "10.53.0.3"
+# Key properties, timings and states same as above.
+# Skip checking the private file, because it is missing.
+key_set "KEY2" "PRIVATE" "no"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# For the apex, we expect the SOA to be signed with the KSK because the ZSK is
+# offline. Temporary treat KEY1 as a zone signing key too.
+set_keyrole "KEY1" "csk"
+set_zonesigning "KEY1" "yes"
+set_zonesigning "KEY2" "no"
+check_apex
+set_keyrole "KEY1" "ksk"
+set_zonesigning "KEY1" "no"
+set_zonesigning "KEY2" "yes"
+check_subdomain
+dnssec_verify
+
+# Restore the PRIVATE variable.
+key_set "KEY2" "PRIVATE" "yes"
+
+#
+# Zone: zsk-retired.autosign.
+#
+set_zone "zsk-retired.autosign"
+set_policy "autosign" "3" "300"
+set_server "ns3" "10.53.0.3"
+# The third key is not yet expected to be signing.
+set_keyrole      "KEY3" "zsk"
+set_keylifetime  "KEY3" "31536000"
+set_keyalgorithm "KEY3" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY3" "no"
+set_zonesigning  "KEY3" "no"
+# The ZSK goal is set to HIDDEN but records stay OMNIPRESENT until the new ZSK
+# is active.
+set_keystate "KEY2" "GOAL"         "hidden"
+set_keystate "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY2" "STATE_ZRRSIG" "omnipresent"
+# A new ZSK should be introduced, so expect a key with goal OMNIPRESENT,
+# the DNSKEY introduced (RUMOURED) and the signatures HIDDEN.
+set_keystate "KEY3" "GOAL"         "omnipresent"
+set_keystate "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY3" "STATE_ZRRSIG" "hidden"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_autosign_policy
+
+# The old ZSK is retired.
+created=$(key_get KEY2 CREATED)
+set_keytime    "KEY2" "RETIRED"   "${created}"
+set_addkeytime "KEY2" "REMOVED"   "${created}"   695100
+# The new ZSK is immediately published.
+created=$(key_get KEY3 CREATED)
+set_keytime    "KEY3" "PUBLISHED" "${created}"
+# And becomes active after Ipub:
+# DNSKEY TTL:            300 seconds
+# zone-propagation-delay 5 minutes (300 seconds)
+# publish-safety:        1 hour (3600 seconds)
+# Ipub:                  4200 seconds
+published=$(key_get KEY3 PUBLISHED)
+set_addkeytime "KEY3" "ACTIVE"    "${published}" 4200
+# Lzsk:                  1 year (31536000 seconds)
+active=$(key_get KEY3 ACTIVE)
+set_addkeytime "KEY3" "RETIRED"   "${active}"    31536000
+# Iret:                  695100 seconds.
+retired=$(key_get KEY3 RETIRED)
+set_addkeytime "KEY3" "REMOVED"   "${retired}"   695100
+
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+check_rrsig_refresh
+
+#
+# Zone: legacy-keys.kasp.
+#
+set_zone "legacy-keys.kasp"
+# This zone has two active keys and two old keys left in key directory, so
+# expect 4 key files.
+set_policy "migrate-to-dnssec-policy" "4" "1234"
+set_server "ns3" "10.53.0.3"
+
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "16070400"
+set_keyalgorithm "KEY1" "8" "RSASHA256" "2048"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "no"
+
+key_clear        "KEY2"
+set_keyrole      "KEY2" "zsk"
+set_keylifetime  "KEY2" "16070400"
+set_keyalgorithm "KEY2" "8" "RSASHA256" "2048"
+set_keysigning   "KEY2" "no"
+set_zonesigning  "KEY2" "yes"
+# KSK: DNSKEY, RRSIG (ksk) published. DS needs to wait.
+# ZSK: DNSKEY, RRSIG (zsk) published.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY2" "STATE_ZRRSIG" "rumoured"
+# Two keys only.
+key_clear "KEY3"
+key_clear "KEY4"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Make sure the correct legacy keys were used (and not the removed predecessor
+# keys).
+n=$((n+1))
+echo_i "check correct keys were used when migrating zone ${ZONE} to dnssec-policy ($n)"
+ret=0
+kskfile=$(cat ns3/legacy-keys.kasp.ksk)
+basefile=$(key_get KEY1 BASEFILE)
+echo_i "filename: $basefile (expect $kskfile)"
+test "$DIR/$kskfile" = "$basefile" || ret=1
+zskfile=$(cat ns3/legacy-keys.kasp.zsk)
+basefile=$(key_get KEY2 BASEFILE)
+echo_i "filename: $basefile (expect $zskfile)"
+test "$DIR/$zskfile" = "$basefile" || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# KSK times.
+created=$(key_get KEY1 CREATED)
+keyfile=$(key_get KEY1 BASEFILE)
+grep "; Publish:" "${keyfile}.key" > published.test${n}.key1
+published=$(awk '{print $3}' < published.test${n}.key1)
+set_keytime "KEY1" "PUBLISHED" "${published}"
+set_keytime "KEY1" "ACTIVE"    "${published}"
+published=$(key_get KEY1 PUBLISHED)
+# The DS can be published if the DNSKEY and RRSIG records are OMNIPRESENT.
+#  This happens after max-zone-ttl (1d) plus publish-safety (1h) plus
+# zone-propagation-delay (300s) = 86400 + 3600 + 300 = 90300.
+set_addkeytime "KEY1" "SYNCPUBLISH" "${published}" 90300
+# Key lifetime is 6 months, 315360000 seconds.
+set_addkeytime "KEY1" "RETIRED"     "${published}" 16070400
+# The key is removed after the retire time plus DS TTL (1d), parent
+# propagation delay (1h), and retire safety (1h) = 86400 + 3600 + 3600 = 93600.
+retired=$(key_get KEY1 RETIRED)
+set_addkeytime "KEY1" "REMOVED"     "${retired}"   93600
+
+# ZSK times.
+created=$(key_get KEY2 CREATED)
+keyfile=$(key_get KEY2 BASEFILE)
+grep "; Publish:" "${keyfile}.key" > published.test${n}.key2
+published=$(awk '{print $3}' < published.test${n}.key2)
+set_keytime "KEY2" "PUBLISHED" "${published}"
+set_keytime "KEY2" "ACTIVE"    "${published}"
+published=$(key_get KEY2 PUBLISHED)
+# Key lifetime is 6 months, 315360000 seconds.
+set_addkeytime "KEY2" "RETIRED"     "${published}" 16070400
+# The key is removed after the retire time plus max zone ttl (1d), zone
+# propagation delay (300s), retire safety (1h), and sign delay (signature
+# validity minus refresh, 9d) = 86400 + 300 + 3600 + 777600 = 867900.
+retired=$(key_get KEY2 RETIRED)
+set_addkeytime "KEY2" "REMOVED"   "${retired}"   867900
+
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Test dnssec-policy inheritance.
+#
+
+# These zones should be unsigned:
+# ns2/unsigned.tld
+# ns4/none.inherit.signed
+# ns4/none.override.signed
+# ns4/inherit.none.signed
+# ns4/none.none.signed
+# ns5/inherit.inherit.unsigned
+# ns5/none.inherit.unsigned
+# ns5/none.override.unsigned
+# ns5/inherit.none.unsigned
+# ns5/none.none.unsigned
+key_clear "KEY1"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+set_zone "unsigned.tld"
+set_policy "none" "0" "0"
+set_server "ns2" "10.53.0.2"
+TSIG=""
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+set_zone "none.inherit.signed"
+set_policy "none" "0" "0"
+set_server "ns4" "10.53.0.4"
+TSIG="hmac-sha1:sha1:$SHA1"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+set_zone "none.override.signed"
+set_policy "none" "0" "0"
+set_server "ns4" "10.53.0.4"
+TSIG="hmac-sha224:sha224:$SHA224"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+set_zone "inherit.none.signed"
+set_policy "none" "0" "0"
+set_server "ns4" "10.53.0.4"
+TSIG="hmac-sha256:sha256:$SHA256"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+set_zone "none.none.signed"
+set_policy "none" "0" "0"
+set_server "ns4" "10.53.0.4"
+TSIG="hmac-sha256:sha256:$SHA256"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+set_zone "inherit.inherit.unsigned"
+set_policy "none" "0" "0"
+set_server "ns5" "10.53.0.5"
+TSIG="hmac-sha1:sha1:$SHA1"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+set_zone "none.inherit.unsigned"
+set_policy "none" "0" "0"
+set_server "ns5" "10.53.0.5"
+TSIG="hmac-sha1:sha1:$SHA1"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+set_zone "none.override.unsigned"
+set_policy "none" "0" "0"
+set_server "ns5" "10.53.0.5"
+TSIG="hmac-sha224:sha224:$SHA224"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+set_zone "inherit.none.unsigned"
+set_policy "none" "0" "0"
+set_server "ns5" "10.53.0.5"
+TSIG="hmac-sha256:sha256:$SHA256"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+set_zone "none.none.unsigned"
+set_policy "none" "0" "0"
+set_server "ns5" "10.53.0.5"
+TSIG="hmac-sha256:sha256:$SHA256"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+# These zones should be signed with the default policy:
+# ns2/signed.tld
+# ns4/override.inherit.signed
+# ns4/inherit.override.signed
+# ns5/override.inherit.signed
+# ns5/inherit.override.signed
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+
+set_zone "signed.tld"
+set_policy "default" "1" "3600"
+set_server "ns2" "10.53.0.2"
+TSIG=""
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+set_zone "override.inherit.signed"
+set_policy "default" "1" "3600"
+set_server "ns4" "10.53.0.4"
+TSIG="hmac-sha1:sha1:$SHA1"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+set_zone "inherit.override.signed"
+set_policy "default" "1" "3600"
+set_server "ns4" "10.53.0.4"
+TSIG="hmac-sha224:sha224:$SHA224"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+set_zone "override.inherit.unsigned"
+set_policy "default" "1" "3600"
+set_server "ns5" "10.53.0.5"
+TSIG="hmac-sha1:sha1:$SHA1"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+set_zone "inherit.override.unsigned"
+set_policy "default" "1" "3600"
+set_server "ns5" "10.53.0.5"
+TSIG="hmac-sha224:sha224:$SHA224"
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# These zones should be signed with the test policy:
+# ns4/inherit.inherit.signed
+# ns4/override.override.signed
+# ns4/override.none.signed
+# ns5/override.override.unsigned
+# ns5/override.none.unsigned
+# ns4/example.net (both views)
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "14" "ECDSAP384SHA384" "384"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+
+set_zone "inherit.inherit.signed"
+set_policy "test" "1" "3600"
+set_server "ns4" "10.53.0.4"
+TSIG="hmac-sha1:sha1:$SHA1"
+wait_for_nsec
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+set_zone "override.override.signed"
+set_policy "test" "1" "3600"
+set_server "ns4" "10.53.0.4"
+TSIG="hmac-sha224:sha224:$SHA224"
+wait_for_nsec
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+set_zone "override.none.signed"
+set_policy "test" "1" "3600"
+set_server "ns4" "10.53.0.4"
+TSIG="hmac-sha256:sha256:$SHA256"
+wait_for_nsec
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+set_zone "override.override.unsigned"
+set_policy "test" "1" "3600"
+set_server "ns5" "10.53.0.5"
+TSIG="hmac-sha224:sha224:$SHA224"
+wait_for_nsec
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+set_zone "override.none.unsigned"
+set_policy "test" "1" "3600"
+set_server "ns5" "10.53.0.5"
+TSIG="hmac-sha256:sha256:$SHA256"
+wait_for_nsec
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Test with views.
+set_zone "example.net"
+set_server "ns4" "10.53.0.4"
+TSIG="$DEFAULT_HMAC:keyforview1:$VIEW1"
+wait_for_nsec
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE" "example1"
+set_keytimes_csk_policy
+check_keytimes
+check_apex
+dnssec_verify
+# check zonestatus
+n=$((n+1))
+echo_i "check $ZONE (view example1) zonestatus ($n)"
+ret=0
+check_isdynamic "$SERVER" "$ZONE" "example1" || log_error "zone not dynamic"
+check_inlinesigning "$SERVER" "$ZONE" "example1" && log_error "inline-signing enabled, expected disabled"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+# check subdomain
+n=$((n+1))
+echo_i "check TXT example.net (view example1) rrset is signed correctly ($n)"
+ret=0
+dig_with_opts "view.${ZONE}" "@${SERVER}" TXT > "dig.out.$DIR.test$n.txt" || log_error "dig view.${ZONE} TXT failed"
+grep "status: NOERROR" "dig.out.$DIR.test$n.txt" > /dev/null || log_error "mismatch status in DNS response"
+grep "view.${ZONE}\..*${DEFAULT_TTL}.*IN.*TXT.*view1" "dig.out.$DIR.test$n.txt" > /dev/null || log_error "missing view.${ZONE} TXT record in response"
+check_signatures TXT "dig.out.$DIR.test$n.txt" "ZSK"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+TSIG="$DEFAULT_HMAC:keyforview2:$VIEW2"
+wait_for_nsec
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE" "example2"
+check_apex
+dnssec_verify
+# check zonestatus
+n=$((n+1))
+echo_i "check $ZONE (view example2) zonestatus ($n)"
+ret=0
+check_isdynamic "$SERVER" "$ZONE" "example2" && log_error "zone dynamic, but not expected"
+check_inlinesigning "$SERVER" "$ZONE" "example2" || log_error "inline-signing disabled, expected enabled"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+# check subdomain
+n=$((n+1))
+echo_i "check TXT example.net (view example2) rrset is signed correctly ($n)"
+ret=0
+dig_with_opts "view.${ZONE}" "@${SERVER}" TXT > "dig.out.$DIR.test$n.txt" || log_error "dig view.${ZONE} TXT failed"
+grep "status: NOERROR" "dig.out.$DIR.test$n.txt" > /dev/null || log_error "mismatch status in DNS response"
+grep "view.${ZONE}\..*${DEFAULT_TTL}.*IN.*TXT.*view2" "dig.out.$DIR.test$n.txt" > /dev/null || log_error "missing view.${ZONE} TXT record in response"
+check_signatures TXT "dig.out.$DIR.test$n.txt" "ZSK"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+TSIG="$DEFAULT_HMAC:keyforview3:$VIEW3"
+wait_for_nsec
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE" "example3"
+check_apex
+dnssec_verify
+# check zonestatus
+n=$((n+1))
+echo_i "check $ZONE (view example3) zonestatus ($n)"
+ret=0
+check_isdynamic "$SERVER" "$ZONE" "example3" && log_error "zone dynamic, but not expected"
+check_inlinesigning "$SERVER" "$ZONE" "example3" || log_error "inline-signing disabled, expected enabled"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+# check subdomain
+n=$((n+1))
+echo_i "check TXT example.net (view example3) rrset is signed correctly ($n)"
+ret=0
+dig_with_opts "view.${ZONE}" "@${SERVER}" TXT > "dig.out.$DIR.test$n.txt" || log_error "dig view.${ZONE} TXT failed"
+grep "status: NOERROR" "dig.out.$DIR.test$n.txt" > /dev/null || log_error "mismatch status in DNS response"
+grep "view.${ZONE}\..*${DEFAULT_TTL}.*IN.*TXT.*view2" "dig.out.$DIR.test$n.txt" > /dev/null || log_error "missing view.${ZONE} TXT record in response"
+check_signatures TXT "dig.out.$DIR.test$n.txt" "ZSK"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Clear TSIG.
+TSIG=""
+
+#
+# Testing RFC 8901 Multi-Signer Model 2.
+#
+set_zone "multisigner-model2.kasp"
+set_policy "multisigner-model2" "2" "3600"
+set_server "ns3" "10.53.0.3"
+key_clear "KEY1"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# Key properties.
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "no"
+
+set_keyrole      "KEY2" "zsk"
+set_keylifetime  "KEY2" "0"
+set_keyalgorithm "KEY2" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY2" "no"
+set_zonesigning  "KEY2" "yes"
+
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY2" "STATE_ZRRSIG" "rumoured"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+# Check that the ZSKs from the other provider are published.
+zsks_are_published() {
+	dig_with_opts +short "$ZONE" "@${SERVER}" DNSKEY > "dig.out.$DIR.test$n" || return 1
+	# We should have three ZSKs.
+	lines=$(grep "256 3 13" dig.out.$DIR.test$n | wc -l)
+	test "$lines" -eq 3 || return 1
+	# And one KSK.
+	lines=$(grep "257 3 13" dig.out.$DIR.test$n | wc -l)
+	test "$lines" -eq 1 || return 1
+}
+
+n=$((n+1))
+echo_i "update zone with ZSK from another provider for zone ${ZONE} ($n)"
+ret=0
+(
+echo zone ${ZONE}
+echo server 10.53.0.3 "$PORT"
+echo update add $(cat "${DIR}/${ZONE}.zsk2")
+echo send
+) | $NSUPDATE
+retry_quiet 10 zsks_are_published || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Testing manual rollover.
+#
+set_zone "manual-rollover.kasp"
+set_policy "manual-rollover" "2" "3600"
+set_server "ns3" "10.53.0.3"
+key_clear "KEY1"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+# Key properties.
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "no"
+
+set_keyrole      "KEY2" "zsk"
+set_keylifetime  "KEY2" "0"
+set_keyalgorithm "KEY2" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY2" "no"
+set_zonesigning  "KEY2" "yes"
+# During set up everything was set to OMNIPRESENT.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY2" "STATE_ZRRSIG" "omnipresent"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# The first keys were published and activated a day ago.
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "PUBLISHED"   "${created}" -86400
+set_addkeytime "KEY1" "SYNCPUBLISH" "${created}" -86400
+set_addkeytime "KEY1" "ACTIVE"      "${created}" -86400
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}" -86400
+set_addkeytime "KEY2" "ACTIVE"      "${created}" -86400
+# Key lifetimes are unlimited, so not setting RETIRED and REMOVED.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Schedule KSK rollover in six months (15552000 seconds).
+active=$(key_get KEY1 ACTIVE)
+set_addkeytime  "KEY1" "RETIRED" "${active}" 15552000
+retired=$(key_get KEY1 RETIRED)
+rndc_rollover "$SERVER" "$DIR" $(key_get KEY1 ID) "${retired}" "$ZONE"
+# Rollover starts in six months, but lifetime is set to six months plus
+# prepublication duration = 15552000 + 7500 = 15559500 seconds.
+set_keylifetime  "KEY1" "15559500"
+set_addkeytime  "KEY1" "RETIRED" "${active}" 15559500
+retired=$(key_get KEY1 RETIRED)
+# Retire interval of this policy is 26h (93600 seconds).
+set_addkeytime  "KEY1" "REMOVED" "${retired}" 93600
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Schedule KSK rollover now.
+set_policy "manual-rollover" "3" "3600"
+set_keystate "KEY1" "GOAL" "hidden"
+# This key was activated one day ago, so lifetime is set to 1d plus
+# prepublication duration (7500 seconds) = 93900 seconds.
+set_keylifetime  "KEY1" "93900"
+created=$(key_get KEY1 CREATED)
+set_keytime  "KEY1" "RETIRED" "${created}"
+rndc_rollover "$SERVER" "$DIR" $(key_get KEY1 ID) "${created}" "$ZONE"
+# New key is introduced.
+set_keyrole      "KEY3" "ksk"
+set_keylifetime  "KEY3" "0"
+set_keyalgorithm "KEY3" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY3" "yes"
+set_zonesigning  "KEY3" "no"
+
+set_keystate "KEY3" "GOAL"         "omnipresent"
+set_keystate "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY3" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY3" "STATE_DS"     "hidden"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+# Schedule ZSK rollover now.
+set_policy "manual-rollover" "4" "3600"
+set_keystate "KEY2" "GOAL" "hidden"
+# This key was activated one day ago, so lifetime is set to 1d plus
+# prepublication duration (7500 seconds) = 93900 seconds.
+set_keylifetime  "KEY2" "93900"
+created=$(key_get KEY2 CREATED)
+set_keytime  "KEY2" "RETIRED" "${created}"
+rndc_rollover "$SERVER" "$DIR" $(key_get KEY2 ID) "${created}" "$ZONE"
+# New key is introduced.
+set_keyrole      "KEY4" "zsk"
+set_keylifetime  "KEY4" "0"
+set_keyalgorithm "KEY4" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY4" "no"
+set_zonesigning  "KEY4" "no" # not yet, first prepublish DNSKEY.
+
+set_keystate "KEY4" "GOAL"         "omnipresent"
+set_keystate "KEY4" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY4" "STATE_ZRRSIG" "hidden"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+# Try to schedule a ZSK rollover for an inactive key (should fail).
+n=$((n+1))
+echo_i "check that rndc dnssec -rollover fails if key is inactive ($n)"
+ret=0
+rndccmd "$SERVER" dnssec -rollover -key $(key_get KEY4 ID) "$ZONE" > rndc.dnssec.rollover.out.$ZONE.$n || ret=1
+grep "key is not actively signing" rndc.dnssec.rollover.out.$ZONE.$n > /dev/null || log_error "bad error message"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Testing DNSSEC introduction.
+#
+
+#
+# Zone: step1.enable-dnssec.autosign.
+#
+set_zone "step1.enable-dnssec.autosign"
+set_policy "enable-dnssec" "1" "300"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+# The DNSKEY and signatures are introduced first, the DS remains hidden.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+# This policy lists only one key (CSK).
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The first key is immediately published and activated.
+created=$(key_get KEY1 CREATED)
+set_keytime     "KEY1" "PUBLISHED"   "${created}"
+set_keytime     "KEY1" "ACTIVE"      "${created}"
+# - The DS can be published if the DNSKEY and RRSIG records are
+#   OMNIPRESENT.  This happens after max-zone-ttl (12h) plus
+#   publish-safety (5m) plus zone-propagation-delay (5m) =
+#   43200 + 300 + 300 = 43800.
+set_addkeytime  "KEY1" "SYNCPUBLISH" "${created}" 43800
+# - Key lifetime is unlimited, so not setting RETIRED and REMOVED.
+
+# Various signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+_check_next_key_event() {
+	_expect=$1
+
+	grep "zone ${ZONE}.*: next key event in .* seconds" "${DIR}/named.run" > "keyevent.out.$ZONE.test$n" || return 1
+
+	# Get the latest next key event.
+	if [ "${DYNAMIC}" = "yes" ]; then
+		_time=$(awk '{print $9}' < "keyevent.out.$ZONE.test$n" | tail -1)
+	else
+		# inline-signing zone adds "(signed)"
+		_time=$(awk '{print $10}' < "keyevent.out.$ZONE.test$n" | tail -1)
+	fi
+
+	# The next key event time must within threshold of the
+	# expected time.
+	_expectmin=$((_expect-next_key_event_threshold))
+	_expectmax=$((_expect+next_key_event_threshold))
+
+	test $_expectmin -le "$_time" || return 1
+	test $_expectmax -ge "$_time" || return 1
+
+	return 0
+}
+
+check_next_key_event() {
+	n=$((n+1))
+	echo_i "check next key event for zone ${ZONE} ($n)"
+	ret=0
+
+	retry_quiet 3 _check_next_key_event $1 || log_error "bad next key event time for zone ${ZONE} (expect ${_expect})"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+
+}
+
+# Next key event is when the DNSKEY RRset becomes OMNIPRESENT: DNSKEY TTL plus
+# publish safety plus the zone propagation delay: 900 seconds.
+check_next_key_event 900
+
+#
+# Zone: step2.enable-dnssec.autosign.
+#
+set_zone "step2.enable-dnssec.autosign"
+set_policy "enable-dnssec" "1" "300"
+set_server "ns3" "10.53.0.3"
+# The DNSKEY is omnipresent, but the zone signatures not yet.
+# Thus, the DS remains hidden.
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The key was published and activated 900 seconds ago (with settime).
+created=$(key_get KEY1 CREATED)
+set_addkeytime  "KEY1" "PUBLISHED"   "${created}" -900
+set_addkeytime  "KEY1" "ACTIVE"      "${created}" -900
+set_addkeytime  "KEY1" "SYNCPUBLISH" "${created}" 43800
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the zone signatures become OMNIPRESENT: max-zone-ttl
+# plus zone propagation delay plus retire safety minus the already elapsed
+# 900 seconds: 12h + 300s + 20m - 900 = 44700 - 900 = 43800 seconds
+check_next_key_event 43800
+
+#
+# Zone: step3.enable-dnssec.autosign.
+#
+set_zone "step3.enable-dnssec.autosign"
+set_policy "enable-dnssec" "1" "300"
+set_server "ns3" "10.53.0.3"
+# All signatures should be omnipresent, so the DS can be submitted.
+set_keystate "KEY1" "STATE_ZRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "rumoured"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The key was published and activated 44700 seconds ago (with settime).
+created=$(key_get KEY1 CREATED)
+set_addkeytime  "KEY1" "PUBLISHED"   "${created}" -44700
+set_addkeytime  "KEY1" "ACTIVE"      "${created}" -44700
+set_keytime     "KEY1" "SYNCPUBLISH" "${created}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+# Check that CDS publication is logged.
+check_cdslog "$DIR" "$ZONE" KEY1
+
+# The DS can be introduced. We ignore any parent registration delay, so set
+# the DS publish time to now.
+rndc_checkds "$SERVER" "$DIR" KEY1 "now" "published" "$ZONE"
+# Next key event is when the DS can move to the OMNIPRESENT state.  This occurs
+# when the parent propagation delay have passed, plus the DS TTL and retire
+# safety delay:  1h + 2h + 20m = 3h20m = 12000 seconds
+check_next_key_event 12000
+
+#
+# Zone: step4.enable-dnssec.autosign.
+#
+set_zone "step4.enable-dnssec.autosign"
+set_policy "enable-dnssec" "1" "300"
+set_server "ns3" "10.53.0.3"
+# The DS is omnipresent.
+set_keystate "KEY1" "STATE_DS" "omnipresent"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The key was published and activated 56700 seconds ago (with settime).
+created=$(key_get KEY1 CREATED)
+set_addkeytime  "KEY1" "PUBLISHED"   "${created}" -56700
+set_addkeytime  "KEY1" "ACTIVE"      "${created}" -56700
+set_addkeytime  "KEY1" "SYNCPUBLISH" "${created}" -12000
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is never, the zone dnssec-policy has been established. So we
+# fall back to the default loadkeys interval.
+check_next_key_event 3600
+
+#
+# Testing ZSK Pre-Publication rollover.
+#
+
+# Policy parameters.
+# Lksk:      2 years (63072000 seconds)
+# Lzsk:      30 days (2592000 seconds)
+# Iret(KSK): DS TTL (1d) + DprpP (1h) + retire-safety (2d)
+# Iret(KSK): 3d1h (262800 seconds)
+# Iret(ZSK): RRSIG TTL (1d) + Dprp (1h) + Dsgn (1w) + retire-safety (2d)
+# Iret(ZSK): 10d1h (867600 seconds)
+Lksk=63072000
+Lzsk=2592000
+IretKSK=262800
+IretZSK=867600
+
+#
+# Zone: step1.zsk-prepub.autosign.
+#
+set_zone "step1.zsk-prepub.autosign"
+set_policy "zsk-prepub" "2" "3600"
+set_server "ns3" "10.53.0.3"
+
+set_retired_removed() {
+	_Lkey=$2
+	_Iret=$3
+
+	_active=$(key_get $1 ACTIVE)
+	set_addkeytime "${1}" "RETIRED" "${_active}"  "${_Lkey}"
+	_retired=$(key_get $1 RETIRED)
+	set_addkeytime "${1}" "REMOVED" "${_retired}" "${_Iret}"
+}
+
+rollover_predecessor_keytimes() {
+	_addtime=$1
+
+	_created=$(key_get KEY1 CREATED)
+	set_addkeytime  "KEY1" "PUBLISHED"   "${_created}" "${_addtime}"
+	set_addkeytime  "KEY1" "SYNCPUBLISH" "${_created}" "${_addtime}"
+	set_addkeytime  "KEY1" "ACTIVE"      "${_created}" "${_addtime}"
+	[ "$Lksk" = 0 ] || set_retired_removed "KEY1" "${Lksk}" "${IretKSK}"
+
+	_created=$(key_get KEY2 CREATED)
+	set_addkeytime  "KEY2" "PUBLISHED"   "${_created}" "${_addtime}"
+	set_addkeytime  "KEY2" "ACTIVE"      "${_created}" "${_addtime}"
+	[ "$Lzsk" = 0 ] || set_retired_removed "KEY2" "${Lzsk}" "${IretZSK}"
+}
+
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "${Lksk}"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "no"
+
+key_clear        "KEY2"
+set_keyrole      "KEY2" "zsk"
+set_keylifetime  "KEY2" "${Lzsk}"
+set_keyalgorithm "KEY2" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY2" "no"
+set_zonesigning  "KEY2" "yes"
+# Both KSK (KEY1) and ZSK (KEY2) start in OMNIPRESENT.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY2" "STATE_ZRRSIG" "omnipresent"
+# Initially only two keys.
+key_clear "KEY3"
+key_clear "KEY4"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# These keys are immediately published and activated.
+rollover_predecessor_keytimes 0
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the successor ZSK needs to be published.  That is
+# the ZSK lifetime - prepublication time.  The prepublication time is DNSKEY
+# TTL plus publish safety plus the zone propagation delay.  For the
+# zsk-prepub policy that means: 30d - 3600s + 1d + 1h = 2498400 seconds.
+check_next_key_event 2498400
+
+#
+# Zone: step2.zsk-prepub.autosign.
+#
+set_zone "step2.zsk-prepub.autosign"
+set_policy "zsk-prepub" "3" "3600"
+set_server "ns3" "10.53.0.3"
+# New ZSK (KEY3) is prepublished, but not yet signing.
+key_clear        "KEY3"
+set_keyrole      "KEY3" "zsk"
+set_keylifetime  "KEY3" "${Lzsk}"
+set_keyalgorithm "KEY3" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY3" "no"
+set_zonesigning  "KEY3" "no"
+# Key states.
+set_keystate "KEY2" "GOAL"         "hidden"
+set_keystate "KEY3" "GOAL"         "omnipresent"
+set_keystate "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY3" "STATE_ZRRSIG" "hidden"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys were activated 694 hours ago (2498400 seconds).
+rollover_predecessor_keytimes -2498400
+# - The new ZSK is published now.
+created=$(key_get KEY3 CREATED)
+set_keytime "KEY3" "PUBLISHED" "${created}"
+# - The new ZSK becomes active when the DNSKEY is OMNIPRESENT.
+#   Ipub: TTLkey (1h) + Dprp (1h) + publish-safety (1d)
+#   Ipub: 26 hour (93600 seconds).
+IpubZSK=93600
+set_addkeytime "KEY3" "ACTIVE" "${created}" "${IpubZSK}"
+set_retired_removed "KEY3" "${Lzsk}" "${IretZSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the successor ZSK becomes OMNIPRESENT.  That is the
+# DNSKEY TTL plus the zone propagation delay, plus the publish-safety. For
+# the zsk-prepub policy, this means: 3600s + 1h + 1d = 93600 seconds.
+check_next_key_event 93600
+
+#
+# Zone: step3.zsk-prepub.autosign.
+#
+set_zone "step3.zsk-prepub.autosign"
+set_policy "zsk-prepub" "3" "3600"
+set_server "ns3" "10.53.0.3"
+# ZSK (KEY2) no longer is actively signing, RRSIG state in UNRETENTIVE.
+# New ZSK (KEY3) is now actively signing, RRSIG state in RUMOURED.
+set_zonesigning  "KEY2" "no"
+set_keystate     "KEY2" "STATE_ZRRSIG" "unretentive"
+set_zonesigning  "KEY3" "yes"
+set_keystate     "KEY3" "STATE_DNSKEY" "omnipresent"
+set_keystate     "KEY3" "STATE_ZRRSIG" "rumoured"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys are activated 30 days ago (2592000 seconds).
+rollover_predecessor_keytimes -2592000
+# - The new ZSK is published 26 hours ago (93600 seconds).
+created=$(key_get KEY3 CREATED)
+set_addkeytime "KEY3" "PUBLISHED"   "${created}" -93600
+set_keytime    "KEY3" "ACTIVE"      "${created}"
+set_retired_removed "KEY3" "${Lzsk}" "${IretZSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+# Subdomain still has good signatures of ZSK (KEY2).
+# Set expected zone signing on for KEY2 and off for KEY3,
+# testing whether signatures which are still valid are being reused.
+set_zonesigning  "KEY2" "yes"
+set_zonesigning  "KEY3" "no"
+check_subdomain
+# Restore the expected zone signing properties.
+set_zonesigning  "KEY2" "no"
+set_zonesigning  "KEY3" "yes"
+dnssec_verify
+
+# Next key event is when all the RRSIG records have been replaced with
+# signatures of the new ZSK, in other words when ZRRSIG becomes OMNIPRESENT.
+# That is Dsgn plus the maximum zone TTL plus the zone propagation delay plus
+# retire-safety. For the zsk-prepub policy that means: 1w (because 2w validity
+# and refresh within a week) + 1d + 1h + 2d = 10d1h = 867600 seconds.
+check_next_key_event 867600
+
+#
+# Zone: step4.zsk-prepub.autosign.
+#
+set_zone "step4.zsk-prepub.autosign"
+set_policy "zsk-prepub" "3" "3600"
+set_server "ns3" "10.53.0.3"
+# ZSK (KEY2) DNSKEY is no longer needed.
+# ZSK (KEY3) is now actively signing, RRSIG state in RUMOURED.
+set_keystate "KEY2" "STATE_DNSKEY" "unretentive"
+set_keystate "KEY2" "STATE_ZRRSIG" "hidden"
+set_keystate "KEY3" "STATE_ZRRSIG" "omnipresent"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys are activated 961 hours ago (3459600 seconds).
+rollover_predecessor_keytimes -3459600
+# - The new ZSK is published 267 hours ago (961200 seconds).
+created=$(key_get KEY3 CREATED)
+set_addkeytime "KEY3" "PUBLISHED"   "${created}"   -961200
+published=$(key_get KEY3 PUBLISHED)
+set_addkeytime "KEY3" "ACTIVE"      "${published}" "${IpubZSK}"
+set_retired_removed "KEY3" "${Lzsk}" "${IretZSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the DNSKEY enters the HIDDEN state.  This is the
+# DNSKEY TTL plus zone propagation delay. For the zsk-prepub policy this is:
+# 3600s + 1h = 7200s
+check_next_key_event 7200
+
+#
+# Zone: step5.zsk-prepub.autosign.
+#
+set_zone "step5.zsk-prepub.autosign"
+set_policy "zsk-prepub" "3" "3600"
+set_server "ns3" "10.53.0.3"
+# ZSK (KEY2) DNSKEY is now completely HIDDEN and removed.
+set_keystate "KEY2" "STATE_DNSKEY" "hidden"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys are activated 962 hours ago (3463200 seconds).
+rollover_predecessor_keytimes -3463200
+# - The new ZSK is published 268 hours ago (964800 seconds).
+created=$(key_get KEY3 CREATED)
+set_addkeytime "KEY3" "PUBLISHED"   "${created}"   -964800
+published=$(key_get KEY3 PUBLISHED)
+set_addkeytime "KEY3" "ACTIVE"      "${published}" "${IpubZSK}"
+set_retired_removed "KEY3" "${Lzsk}" "${IretZSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the new successor needs to be published.  This is the
+# ZSK lifetime minus Iret minus Ipub minus DNSKEY TTL.  For the zsk-prepub
+# policy this is: 30d - 867600s - 93600s - 3600s = 1627200 seconds.
+check_next_key_event 1627200
+
+#
+# Zone: step6.zsk-prepub.autosign.
+#
+set_zone "step6.zsk-prepub.autosign"
+set_policy "zsk-prepub" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# ZSK (KEY2) DNSKEY is purged.
+key_clear "KEY2"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Testing KSK Double-KSK rollover.
+#
+
+# Policy parameters.
+# Lksk:      60 days (16070400 seconds)
+# Lzsk:      1 year (31536000 seconds)
+# Iret(KSK): DS TTL (1h) + DprpP (1h) + retire-safety (2d)
+# Iret(KSK): 50h (180000 seconds)
+# Iret(ZSK): RRSIG TTL (1d) + Dprp (1h) + Dsgn (1w) + retire-safety (2d)
+# Iret(ZSK): 10d1h (867600 seconds)
+Lksk=5184000
+Lzsk=31536000
+IretKSK=180000
+IretZSK=867600
+
+#
+# Zone: step1.ksk-doubleksk.autosign.
+#
+set_zone "step1.ksk-doubleksk.autosign"
+set_policy "ksk-doubleksk" "2" "7200"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "${Lksk}"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "no"
+
+key_clear        "KEY2"
+set_keyrole      "KEY2" "zsk"
+set_keylifetime  "KEY2" "${Lzsk}"
+set_keyalgorithm "KEY2" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY2" "no"
+set_zonesigning  "KEY2" "yes"
+# Both KSK (KEY1) and ZSK (KEY2) start in OMNIPRESENT.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY2" "STATE_ZRRSIG" "omnipresent"
+# Initially only two keys.
+key_clear "KEY3"
+key_clear "KEY4"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# These keys are immediately published and activated.
+rollover_predecessor_keytimes 0
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the successor KSK needs to be published.  That is
+# the KSK lifetime - prepublication time.  The prepublication time is
+# DNSKEY TTL plus publish safety plus the zone propagation delay.
+# For the ksk-doubleksk policy that means: 60d - (1d3h) = 5086800 seconds.
+check_next_key_event 5086800
+
+#
+# Zone: step2.ksk-doubleksk.autosign.
+#
+set_zone "step2.ksk-doubleksk.autosign"
+set_policy "ksk-doubleksk" "3" "7200"
+set_server "ns3" "10.53.0.3"
+# New KSK (KEY3) is prepublished (and signs DNSKEY RRset).
+key_clear        "KEY3"
+set_keyrole      "KEY3" "ksk"
+set_keylifetime  "KEY3" "${Lksk}"
+set_keyalgorithm "KEY3" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY3" "yes"
+set_zonesigning  "KEY3" "no"
+# Key states.
+set_keystate "KEY1" "GOAL"         "hidden"
+set_keystate "KEY3" "GOAL"         "omnipresent"
+set_keystate "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY3" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY3" "STATE_DS"     "hidden"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys were activated 1413 hours ago (5086800 seconds).
+rollover_predecessor_keytimes -5086800
+# - The new KSK is published now.
+created=$(key_get KEY3 CREATED)
+set_keytime    "KEY3" "PUBLISHED"   "${created}"
+# The new KSK should publish the CDS after the prepublication time.
+# TTLkey:         2h
+# DprpC:          1h
+# publish-safety: 1d
+# IpubC:          27h (97200 seconds)
+IpubC=97200
+set_addkeytime "KEY3" "SYNCPUBLISH" "${created}" "${IpubC}"
+set_addkeytime "KEY3" "ACTIVE"      "${created}" "${IpubC}"
+set_retired_removed "KEY3" "${Lksk}" "${IretKSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the successor KSK becomes OMNIPRESENT.  That is the
+# DNSKEY TTL plus the zone propagation delay, plus the publish-safety.  For
+# the ksk-doubleksk policy, this means: 7200s + 1h + 1d = 97200 seconds.
+check_next_key_event 97200
+
+#
+# Zone: step3.ksk-doubleksk.autosign.
+#
+set_zone "step3.ksk-doubleksk.autosign"
+set_policy "ksk-doubleksk" "3" "7200"
+set_server "ns3" "10.53.0.3"
+
+# The DNSKEY RRset has become omnipresent.
+# Check keys before we tell named that we saw the DS has been replaced.
+set_keystate "KEY3" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY3" "STATE_KRRSIG" "omnipresent"
+# The old DS (KEY1) can be withdrawn and the new DS (KEY3) can be introduced.
+set_keystate "KEY1" "STATE_DS"     "unretentive"
+set_keystate "KEY3" "STATE_DS"     "rumoured"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# Check that CDS publication is logged.
+check_cdslog "$DIR" "$ZONE" KEY3
+
+# Set expected key times:
+# - The old keys were activated 60 days ago (5184000 seconds).
+rollover_predecessor_keytimes -5184000
+# - The new KSK is published 27 hours ago (97200 seconds).
+created=$(key_get KEY3 CREATED)
+set_addkeytime "KEY3" "PUBLISHED"   "${created}" -97200
+# - The new KSK CDS is published now.
+set_keytime    "KEY3" "SYNCPUBLISH" "${created}"
+syncpub=$(key_get KEY3 SYNCPUBLISH)
+set_keytime "KEY3" "ACTIVE" "${syncpub}"
+set_retired_removed "KEY3" "${Lksk}" "${IretKSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# We ignore any parent registration delay, so set the DS publish time to now.
+rndc_checkds "$SERVER" "$DIR" KEY1 "now" "withdrawn" "$ZONE"
+rndc_checkds "$SERVER" "$DIR" KEY3 "now" "published"  "$ZONE"
+# Next key event is when the predecessor DS has been replaced with the
+# successor DS and enough time has passed such that the all validators that
+# have this DS RRset cached only know about the successor DS.  This is the
+# the retire interval, which is the parent propagation delay plus the DS TTL
+# plus the retire-safety.  For the ksk-double-ksk policy this means:
+# 1h + 3600s + 2d = 2d2h = 180000 seconds.
+check_next_key_event 180000
+
+#
+# Zone: step4.ksk-doubleksk.autosign.
+#
+set_zone "step4.ksk-doubleksk.autosign"
+set_policy "ksk-doubleksk" "3" "7200"
+set_server "ns3" "10.53.0.3"
+# KSK (KEY1) DNSKEY can be removed.
+set_keysigning "KEY1" "no"
+set_keystate   "KEY1" "STATE_DNSKEY" "unretentive"
+set_keystate   "KEY1" "STATE_KRRSIG" "unretentive"
+set_keystate   "KEY1" "STATE_DS"     "hidden"
+# New KSK (KEY3) DS is now OMNIPRESENT.
+set_keystate   "KEY3" "STATE_DS"     "omnipresent"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys were activated 1490 hours ago (5364000 seconds).
+rollover_predecessor_keytimes -5364000
+# - The new KSK is published 77 hours ago (277200 seconds).
+created=$(key_get KEY3 CREATED)
+set_addkeytime "KEY3" "PUBLISHED"   "${created}"   -277200
+published=$(key_get KEY3 PUBLISHED)
+set_addkeytime "KEY3" "SYNCPUBLISH" "${published}" "${IpubC}"
+syncpub=$(key_get KEY3 SYNCPUBLISH)
+set_keytime "KEY3" "ACTIVE" "${syncpub}"
+set_retired_removed "KEY3" "${Lksk}" "${IretKSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the DNSKEY enters the HIDDEN state.  This is the
+# DNSKEY TTL plus zone propagation delay. For the ksk-doubleksk policy this is:
+# 7200s + 1h = 10800s
+check_next_key_event 10800
+
+#
+# Zone: step5.ksk-doubleksk.autosign.
+#
+set_zone "step5.ksk-doubleksk.autosign"
+set_policy "ksk-doubleksk" "3" "7200"
+set_server "ns3" "10.53.0.3"
+# KSK (KEY1) DNSKEY is now HIDDEN.
+set_keystate "KEY1" "STATE_DNSKEY" "hidden"
+set_keystate "KEY1" "STATE_KRRSIG" "hidden"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old KSK is activated 1492 hours ago (5371200 seconds).
+rollover_predecessor_keytimes -5371200
+# - The new KSK is published 79 hours ago (284400 seconds).
+created=$(key_get KEY3 CREATED)
+set_addkeytime "KEY3" "PUBLISHED"   "${created}"   -284400
+published=$(key_get KEY3 PUBLISHED)
+set_addkeytime "KEY3" "SYNCPUBLISH" "${published}" "${IpubC}"
+syncpub=$(key_get KEY3 SYNCPUBLISH)
+set_keytime "KEY3" "ACTIVE" "${syncpub}"
+set_retired_removed "KEY3" "${Lksk}" "${IretKSK}"
+
+# Various signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the new successor needs to be published.  This is the
+# KSK lifetime minus Ipub minus Iret minus DNSKEY TTL.  For the
+# ksk-doubleksk this is: 60d - 1d3h - 1d - 2d2h - 2h =
+# 5184000 - 97200 - 180000 - 7200 = 4813200 seconds.
+check_next_key_event 4899600
+
+#
+# Zone: step6.ksk-doubleksk.autosign.
+#
+set_zone "step6.ksk-doubleksk.autosign"
+set_policy "ksk-doubleksk" "2" "7200"
+set_server "ns3" "10.53.0.3"
+# KSK (KEY1) DNSKEY is purged.
+key_clear "KEY1"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Testing CSK key rollover (1).
+#
+
+# Policy parameters.
+# Lcsk:      186 days (5184000 seconds)
+# Iret(KSK): DS TTL (1h) + DprpP (1h) + retire-safety (2h)
+# Iret(KSK): 4h (14400 seconds)
+# Iret(ZSK): RRSIG TTL (1d) + Dprp (1h) + Dsgn (25d) + retire-safety (2h)
+# Iret(ZSK): 26d3h (2257200 seconds)
+Lcsk=16070400
+IretKSK=14400
+IretZSK=2257200
+IretCSK=$IretZSK
+
+csk_rollover_predecessor_keytimes() {
+	_addtime=$1
+
+	_created=$(key_get KEY1 CREATED)
+	set_addkeytime      "KEY1" "PUBLISHED"   "${_created}" "${_addtime}"
+	set_addkeytime      "KEY1" "SYNCPUBLISH" "${_created}" "${_addtime}"
+	set_addkeytime      "KEY1" "ACTIVE"      "${_created}" "${_addtime}"
+	[ "$Lcsk" = 0 ] || set_retired_removed "KEY1" "${Lcsk}" "${IretCSK}"
+}
+
+#
+# Zone: step1.csk-roll.autosign.
+#
+set_zone "step1.csk-roll.autosign"
+set_policy "csk-roll" "1" "3600"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "${Lcsk}"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+# The CSK (KEY1) starts in OMNIPRESENT.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_ZRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+# Initially only one key.
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# This key is immediately published and activated.
+csk_rollover_predecessor_keytimes 0
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the successor CSK needs to be published.
+# This is Lcsk - Ipub - Dreg.
+# Lcsk: 186d (16070400 seconds)
+# Ipub: 3h   (10800 seconds)
+check_next_key_event 16059600
+
+#
+# Zone: step2.csk-roll.autosign.
+#
+set_zone "step2.csk-roll.autosign"
+set_policy "csk-roll" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# New CSK (KEY2) is prepublished (signs DNSKEY RRset, but not yet other RRsets).
+key_clear        "KEY2"
+set_keyrole      "KEY2" "csk"
+set_keylifetime  "KEY2" "16070400"
+set_keyalgorithm "KEY2" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY2" "yes"
+set_zonesigning  "KEY2" "no"
+# Key states.
+set_keystate "KEY1" "GOAL"         "hidden"
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY2" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY2" "STATE_ZRRSIG" "hidden"
+set_keystate "KEY2" "STATE_DS"     "hidden"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - This key was activated 4461 hours ago (16059600 seconds).
+csk_rollover_predecessor_keytimes -16059600
+# - The new CSK is published now.
+created=$(key_get KEY2 CREATED)
+set_keytime    "KEY2" "PUBLISHED"   "${created}"
+# - The new CSK should publish the CDS after the prepublication time.
+#   Ipub: 3 hour (10800 seconds)
+Ipub="10800"
+set_addkeytime "KEY2" "SYNCPUBLISH" "${created}" "${Ipub}"
+set_addkeytime "KEY2" "ACTIVE"      "${created}" "${Ipub}"
+set_retired_removed "KEY2" "${Lcsk}" "${IretCSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the successor CSK becomes OMNIPRESENT.  That is the
+# DNSKEY TTL plus the zone propagation delay, plus the publish-safety. For
+# the csk-roll policy, this means 3 hours = 10800 seconds.
+check_next_key_event 10800
+
+#
+# Zone: step3.csk-roll.autosign.
+#
+set_zone "step3.csk-roll.autosign"
+set_policy "csk-roll" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# Swap zone signing role.
+set_zonesigning  "KEY1" "no"
+set_zonesigning  "KEY2" "yes"
+# CSK (KEY1) will be removed, so moving to UNRETENTIVE.
+set_keystate "KEY1" "STATE_ZRRSIG" "unretentive"
+# New CSK (KEY2) DNSKEY is OMNIPRESENT, so moving ZRRSIG to RUMOURED.
+set_keystate "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY2" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY2" "STATE_ZRRSIG" "rumoured"
+# The old DS (KEY1) can be withdrawn and the new DS (KEY2) can be introduced.
+set_keystate "KEY1" "STATE_DS"     "unretentive"
+set_keystate "KEY2" "STATE_DS"     "rumoured"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# Check that CDS publication is logged.
+check_cdslog "$DIR" "$ZONE" KEY2
+
+# Set expected key times:
+# - This key was activated 186 days ago (16070400 seconds).
+csk_rollover_predecessor_keytimes -16070400
+# - The new CSK is published three hours ago, CDS must be published now.
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}" "-${Ipub}"
+set_keytime    "KEY2" "SYNCPUBLISH" "${created}"
+# - Also signatures are being introduced now.
+set_keytime    "KEY2" "ACTIVE"      "${created}"
+set_retired_removed "KEY2" "${Lcsk}" "${IretCSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+# Subdomain still has good signatures of old CSK (KEY1).
+# Set expected zone signing on for KEY1 and off for KEY2,
+# testing whether signatures which are still valid are being reused.
+set_zonesigning  "KEY1" "yes"
+set_zonesigning  "KEY2" "no"
+check_subdomain
+# Restore the expected zone signing properties.
+set_zonesigning  "KEY1" "no"
+set_zonesigning  "KEY2" "yes"
+dnssec_verify
+
+# We ignore any parent registration delay, so set the DS publish time to now.
+rndc_checkds "$SERVER" "$DIR" KEY1 "now" "withdrawn" "$ZONE"
+rndc_checkds "$SERVER" "$DIR" KEY2 "now" "published"  "$ZONE"
+# Next key event is when the predecessor DS has been replaced with the
+# successor DS and enough time has passed such that the all validators that
+# have this DS RRset cached only know about the successor DS.  This is the
+# the retire interval, which is the parent propagation delay plus the DS TTL
+# plus the retire-safety.  For the csk-roll policy this means:
+# 1h + 1h + 2h = 4h = 14400 seconds.
+check_next_key_event 14400
+
+#
+# Zone: step4.csk-roll.autosign.
+#
+set_zone "step4.csk-roll.autosign"
+set_policy "csk-roll" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# The old CSK (KEY1) is no longer signing the DNSKEY RRset.
+set_keysigning "KEY1" "no"
+# The old CSK (KEY1) DS is hidden.  We still need to keep the DNSKEY public
+# but can remove the KRRSIG records.
+set_keystate "KEY1" "STATE_KRRSIG" "unretentive"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+# The new CSK (KEY2) DS is now OMNIPRESENT.
+set_keystate "KEY2" "STATE_DS"     "omnipresent"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - This key was activated 4468 hours ago (16084800 seconds).
+csk_rollover_predecessor_keytimes -16084800
+# - The new CSK started signing 4h ago (14400 seconds).
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "ACTIVE"      "${created}" -14400
+set_addkeytime "KEY2" "SYNCPUBLISH" "${created}" -14400
+syncpub=$(key_get KEY2 SYNCPUBLISH)
+set_addkeytime "KEY2" "PUBLISHED"   "${syncpub}" "-${Ipub}"
+set_retired_removed "KEY2" "${Lcsk}" "${IretCSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the KRRSIG enters the HIDDEN state.  This is the
+# DNSKEY TTL plus zone propagation delay. For the csk-roll policy this is:
+# 1h + 1h = 7200 seconds.
+check_next_key_event 7200
+
+#
+# Zone: step5.csk-roll.autosign.
+#
+set_zone "step5.csk-roll.autosign"
+set_policy "csk-roll" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# The old CSK (KEY1) KRRSIG records are now all hidden.
+set_keystate "KEY1" "STATE_KRRSIG" "hidden"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - This key was activated 4470 hours ago (16092000 seconds).
+csk_rollover_predecessor_keytimes -16092000
+# - The new CSK started signing 6h ago (21600 seconds).
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "ACTIVE"      "${created}" -21600
+set_addkeytime "KEY2" "SYNCPUBLISH" "${created}" -21600
+syncpub=$(key_get KEY2 SYNCPUBLISH)
+set_addkeytime "KEY2" "PUBLISHED"   "${syncpub}" "-${Ipub}"
+set_retired_removed "KEY2" "${Lcsk}" "${IretCSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the DNSKEY can be removed.  This is when all ZRRSIG
+# records have been replaced with signatures of the new CSK.  We have
+# calculated the interval to be 26d3h of which 4h (Iret(KSK)) plus
+# 2h (DNSKEY TTL + Dprp) have already passed.  So next key event is in
+# 26d3h - 4h - 2h = 621h = 2235600 seconds.
+check_next_key_event 2235600
+
+#
+# Zone: step6.csk-roll.autosign.
+#
+set_zone "step6.csk-roll.autosign"
+set_policy "csk-roll" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# The old CSK (KEY1) ZRRSIG records are now all hidden (so the DNSKEY can
+# be removed).
+set_keystate "KEY1" "STATE_DNSKEY" "unretentive"
+set_keystate "KEY1" "STATE_ZRRSIG" "hidden"
+# The new CSK (KEY2) is now fully OMNIPRESENT.
+set_keystate "KEY2" "STATE_ZRRSIG" "omnipresent"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times
+# - This key was activated 5091 hours ago (18327600 seconds).
+csk_rollover_predecessor_keytimes -18327600
+# - The new CSK is activated 627 hours ago (2257200 seconds).
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "ACTIVE"      "${created}" -2257200
+set_addkeytime "KEY2" "SYNCPUBLISH" "${created}" -2257200
+syncpub=$(key_get KEY2 SYNCPUBLISH)
+set_addkeytime "KEY2" "PUBLISHED"   "${syncpub}" "-${Ipub}"
+set_retired_removed "KEY2" "${Lcsk}" "${IretCSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the DNSKEY enters the HIDDEN state.  This is the
+# DNSKEY TTL plus zone propagation delay. For the csk-roll policy this is:
+# 1h + 1h = 7200 seconds.
+check_next_key_event 7200
+
+#
+# Zone: step7.csk-roll.autosign.
+#
+set_zone "step7.csk-roll.autosign"
+set_policy "csk-roll" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# The old CSK (KEY1) is now completely HIDDEN.
+set_keystate "KEY1" "STATE_DNSKEY" "hidden"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - This key was activated 5093 hours ago (18334800 seconds).
+csk_rollover_predecessor_keytimes -18334800
+# - The new CSK is activated 629 hours ago (2264400 seconds).
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "ACTIVE"      "${created}" -2264400
+set_addkeytime "KEY2" "SYNCPUBLISH" "${created}" -2264400
+syncpub=$(key_get KEY2 SYNCPUBLISH)
+set_addkeytime "KEY2" "PUBLISHED"   "${syncpub}" "-${Ipub}"
+set_retired_removed "KEY2" "${Lcsk}" "${IretCSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the new successor needs to be published.
+# This is the Lcsk, minus time passed since the key started signing,
+# minus the prepublication time.
+# Lcsk:        186d (16070400 seconds)
+# Time passed: 629h (2264400 seconds)
+# Ipub:        3h   (10800 seconds)
+check_next_key_event 13795200
+
+#
+# Zone: step8.csk-roll.autosign.
+#
+set_zone "step8.csk-roll.autosign"
+set_policy "csk-roll" "1" "3600"
+set_server "ns3" "10.53.0.3"
+# The old CSK (KEY1) is purged.
+key_clear "KEY1"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Testing CSK key rollover (2).
+#
+
+# Policy parameters.
+# Lcsk:      186 days (16070400 seconds)
+# Dreg:      N/A
+# Iret(KSK): DS TTL (1h) + DprpP (1w) + retire-safety (1h)
+# Iret(KSK): 170h (61200 seconds)
+# Iret(ZSK): RRSIG TTL (1d) + Dprp (1h) + Dsgn (12h) + retire-safety (1h)
+# Iret(ZSK): 38h (136800 seconds)
+Lcsk=16070400
+IretKSK=612000
+IretZSK=136800
+IretCSK=$IretKSK
+
+#
+# Zone: step1.csk-roll2.autosign.
+#
+set_zone "step1.csk-roll2.autosign"
+set_policy "csk-roll2" "1" "3600"
+set_server "ns3" "10.53.0.3"
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "16070400"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+# The CSK (KEY1) starts in OMNIPRESENT.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_ZRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+# Initially only one key.
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# This key is immediately published and activated.
+csk_rollover_predecessor_keytimes 0
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the successor CSK needs to be published.
+# This is Lcsk - Ipub.
+# Lcsk:  186d   (16070400 seconds)
+# Ipub:  3h     (10800 seconds)
+# Total: 186d3h (16059600 seconds)
+check_next_key_event 16059600
+
+#
+# Zone: step2.csk-roll2.autosign.
+#
+set_zone "step2.csk-roll2.autosign"
+set_policy "csk-roll2" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# New CSK (KEY2) is prepublished (signs DNSKEY RRset, but not yet other RRsets).
+key_clear        "KEY2"
+set_keyrole      "KEY2" "csk"
+set_keylifetime  "KEY2" "16070400"
+set_keyalgorithm "KEY2" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY2" "yes"
+set_zonesigning  "KEY2" "no"
+# Key states.
+set_keystate "KEY1" "GOAL"         "hidden"
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY2" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY2" "STATE_ZRRSIG" "hidden"
+set_keystate "KEY2" "STATE_DS"     "hidden"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - This key was activated 4461 hours ago (16059600 seconds).
+csk_rollover_predecessor_keytimes -16059600
+# - The new CSK is published now.
+created=$(key_get KEY2 CREATED)
+set_keytime    "KEY2" "PUBLISHED"   "${created}"
+# - The new CSK should publish the CDS after the prepublication time.
+# - Ipub: 3 hour (10800 seconds)
+Ipub="10800"
+set_addkeytime "KEY2" "SYNCPUBLISH" "${created}" "${Ipub}"
+set_addkeytime "KEY2" "ACTIVE"      "${created}" "${Ipub}"
+set_retired_removed "KEY2" "${Lcsk}" "${IretCSK}"
+
+# Continue signing policy checks.
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the successor CSK becomes OMNIPRESENT.  That is the
+# DNSKEY TTL plus the zone propagation delay, plus the publish-safety. For
+# the csk-roll2 policy, this means 3h hours = 10800 seconds.
+check_next_key_event 10800
+
+#
+# Zone: step3.csk-roll2.autosign.
+#
+set_zone "step3.csk-roll2.autosign"
+set_policy "csk-roll2" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# CSK (KEY1) can be removed, so move to UNRETENTIVE.
+set_zonesigning  "KEY1" "no"
+set_keystate     "KEY1" "STATE_ZRRSIG" "unretentive"
+# New CSK (KEY2) DNSKEY is OMNIPRESENT, so move ZRRSIG to RUMOURED state.
+set_zonesigning  "KEY2" "yes"
+set_keystate     "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate     "KEY2" "STATE_KRRSIG" "omnipresent"
+set_keystate     "KEY2" "STATE_ZRRSIG" "rumoured"
+# The old DS (KEY1) can be withdrawn and the new DS (KEY2) can be introduced.
+set_keystate     "KEY1" "STATE_DS" "unretentive"
+set_keystate     "KEY2" "STATE_DS" "rumoured"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# Check that CDS publication is logged.
+check_cdslog "$DIR" "$ZONE" KEY2
+
+# Set expected key times:
+# - This key was activated 186 days ago (16070400 seconds).
+csk_rollover_predecessor_keytimes -16070400
+# - The new CSK is published three hours ago, CDS must be published now.
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}" "-${Ipub}"
+set_keytime    "KEY2" "SYNCPUBLISH" "${created}"
+# - Also signatures are being introduced now.
+set_keytime    "KEY2" "ACTIVE"      "${created}"
+set_retired_removed "KEY2" "${Lcsk}" "${IretCSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+# Subdomain still has good signatures of old CSK (KEY1).
+# Set expected zone signing on for KEY1 and off for KEY2,
+# testing whether signatures which are still valid are being reused.
+set_zonesigning  "KEY1" "yes"
+set_zonesigning  "KEY2" "no"
+check_subdomain
+# Restore the expected zone signing properties.
+set_zonesigning  "KEY1" "no"
+set_zonesigning  "KEY2" "yes"
+dnssec_verify
+
+# We ignore any parent registration delay, so set the DS publish time to now.
+rndc_checkds "$SERVER" "$DIR" KEY1 "now" "withdrawn" "$ZONE"
+rndc_checkds "$SERVER" "$DIR" KEY2 "now" "published" "$ZONE"
+# Next key event is when the predecessor ZRRSIG records have been replaced
+# with that of the successor and enough time has passed such that the all
+# validators that have such signed RRsets in cache only know about the
+# successor signatures.  This is the retire interval: Dsgn plus the
+# maximum zone TTL plus the zone propagation delay plus retire-safety. For the
+# csk-roll2 policy that means: 12h (because 1d validity and refresh within
+# 12 hours) + 1d + 1h + 1h = 38h = 136800 seconds.  Prevent intermittent false
+# positives on slow platforms by subtracting the number of seconds which
+# passed between key creation and invoking 'rndc dnssec -checkds'.
+now="$(TZ=UTC date +%s)"
+time_passed=$((now-start_time))
+next_time=$((136800-time_passed))
+check_next_key_event $next_time
+
+#
+# Zone: step4.csk-roll2.autosign.
+#
+set_zone "step4.csk-roll2.autosign"
+set_policy "csk-roll2" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# The old CSK (KEY1) ZRRSIG is now HIDDEN.
+set_keystate "KEY1" "STATE_ZRRSIG" "hidden"
+# The new CSK (KEY2) ZRRSIG is now OMNIPRESENT.
+set_keystate "KEY2" "STATE_ZRRSIG" "omnipresent"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - This key was activated 4502 hours ago (16207200 seconds).
+csk_rollover_predecessor_keytimes -16207200
+# - The new CSK was published 41 hours (147600 seconds) ago.
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}"   -147600
+published=$(key_get KEY2 PUBLISHED)
+set_addkeytime "KEY2" "SYNCPUBLISH" "${published}" "${Ipub}"
+set_addkeytime "KEY2" "ACTIVE"      "${published}" "${Ipub}"
+set_retired_removed "KEY2" "${Lcsk}" "${IretCSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the predecessor DS has been replaced with the
+# successor DS and enough time has passed such that the all validators that
+# have this DS RRset cached only know about the successor DS.  This is the
+# registration delay plus the retire interval, which is the parent
+# propagation delay plus the DS TTL plus the retire-safety.  For the
+# csk-roll2 policy this means: 1w + 1h + 1h = 170h = 612000 seconds.
+# However, 136800 seconds have passed already, so 478800 seconds left.
+check_next_key_event 475200
+
+#
+# Zone: step5.csk-roll2.autosign.
+#
+set_zone "step5.csk-roll2.autosign"
+set_policy "csk-roll2" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# The old CSK (KEY1) DNSKEY can be removed.
+set_keysigning   "KEY1" "no"
+set_keystate     "KEY1" "STATE_DNSKEY" "unretentive"
+set_keystate     "KEY1" "STATE_KRRSIG" "unretentive"
+set_keystate     "KEY1" "STATE_DS"     "hidden"
+# The new CSK (KEY2) is now fully OMNIPRESENT.
+set_keystate     "KEY2" "STATE_DS"     "omnipresent"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - This key was activated 4634 hours ago (16682400 seconds).
+csk_rollover_predecessor_keytimes -16682400
+# - The new CSK was published 173 hours (622800 seconds) ago.
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}"   -622800
+published=$(key_get KEY2 PUBLISHED)
+set_addkeytime "KEY2" "SYNCPUBLISH" "${published}" "${Ipub}"
+set_addkeytime "KEY2" "ACTIVE"      "${published}" "${Ipub}"
+set_retired_removed "KEY2" "${Lcsk}" "${IretCSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the DNSKEY enters the HIDDEN state.  This is the
+# DNSKEY TTL plus zone propagation delay. For the csk-roll policy this is:
+# 1h + 1h = 7200 seconds.
+check_next_key_event 7200
+
+#
+# Zone: step6.csk-roll2.autosign.
+#
+set_zone "step6.csk-roll2.autosign"
+set_policy "csk-roll2" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# The old CSK (KEY1) is now completely HIDDEN.
+set_keystate "KEY1" "STATE_DNSKEY" "hidden"
+set_keystate "KEY1" "STATE_KRRSIG" "hidden"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - This key was activated 4636 hours ago (16689600 seconds).
+csk_rollover_predecessor_keytimes -16689600
+# - The new CSK was published 175 hours (630000 seconds) ago.
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}"   -630000
+published=$(key_get KEY2 PUBLISHED)
+set_addkeytime "KEY2" "SYNCPUBLISH" "${published}" "${Ipub}"
+set_addkeytime "KEY2" "ACTIVE"      "${published}" "${Ipub}"
+set_retired_removed "KEY2" "${Lcsk}" "${IretCSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the new successor needs to be published.
+# This is the Lcsk, minus time passed since the key was published.
+# Lcsk:        186d (16070400 seconds)
+# Time passed: 175h (630000 seconds)
+check_next_key_event 15440400
+
+#
+# Zone: step7.csk-roll2.autosign.
+#
+set_zone "step7.csk-roll2.autosign"
+set_policy "csk-roll2" "2" "3600"
+set_server "ns3" "10.53.0.3"
+# The old CSK (KEY1) could have been purged, but purge-keys is disabled.
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Test #2375: Scheduled rollovers are happening faster than they can finish
+#
+set_zone "three-is-a-crowd.kasp"
+set_policy "ksk-doubleksk" "3" "7200"
+set_server "ns3" "10.53.0.3"
+CDNSKEY="no"
+# These are the same time values as calculated for ksk-doubleksk.
+Lksk=5184000
+Lzsk=31536000
+IretKSK=180000
+IretZSK=867600
+# KSK (KEY1) is outgoing.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "${Lksk}"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+set_keystate     "KEY1" "GOAL"         "hidden"
+set_keystate     "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate     "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate     "KEY1" "STATE_DS"     "unretentive"
+# KSK (KEY2) is incoming.
+key_clear        "KEY2"
+set_keyrole      "KEY2" "ksk"
+set_keylifetime  "KEY2" "${Lksk}"
+set_keyalgorithm "KEY2" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY2" "yes"
+set_zonesigning  "KEY2" "no"
+set_keystate     "KEY2" "GOAL"         "omnipresent"
+set_keystate     "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate     "KEY2" "STATE_KRRSIG" "omnipresent"
+set_keystate     "KEY2" "STATE_DS"     "rumoured"
+# We will introduce the third KSK shortly.
+key_clear        "KEY3"
+# ZSK (KEY4).
+key_clear        "KEY4"
+set_keyrole      "KEY4" "zsk"
+set_keylifetime  "KEY4" "${Lzsk}"
+set_keyalgorithm "KEY4" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY4" "no"
+set_zonesigning  "KEY4" "yes"
+set_keystate     "KEY4" "GOAL"         "omnipresent"
+set_keystate     "KEY4" "STATE_DNSKEY" "omnipresent"
+set_keystate     "KEY4" "STATE_ZRRSIG" "omnipresent"
+# Run preliminary tests.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+# Roll over KEY2.
+# Set expected key lifetime, which is DNSKEY TTL plus the zone propagation delay,
+# plus the publish-safety: 7200s + 1h + 1d = 97200 seconds.
+set_keylifetime  "KEY2" "97200"
+created=$(key_get KEY2 CREATED)
+rndc_rollover "$SERVER" "$DIR" $(key_get KEY2 ID) "${created}" "$ZONE"
+# Update expected number of keys and key states.
+set_keystate "KEY2" "GOAL" "hidden"
+set_policy "ksk-doubleksk" "4" "7200"
+CDNSKEY="no"
+# New KSK (KEY3) is introduced.
+set_keyrole      "KEY3" "ksk"
+set_keylifetime  "KEY3" "${Lksk}"
+set_keyalgorithm "KEY3" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY3" "yes"
+set_zonesigning  "KEY3" "no"
+set_keystate     "KEY3" "GOAL"         "omnipresent"
+set_keystate     "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate     "KEY3" "STATE_KRRSIG" "rumoured"
+set_keystate     "KEY3" "STATE_DS"     "hidden"
+# Run tests again. We now expect four keys (3x KSK, 1x ZSK).
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+# Test dynamic zones that switch to inline-signing.
+set_zone "dynamic2inline.kasp"
+set_policy "default" "1" "3600"
+set_server "ns6" "10.53.0.6"
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# The CSK is rumoured.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Testing algorithm rollover.
+#
+Lksk=0
+Lzsk=0
+IretKSK=0
+IretZSK=0
+
+#
+# Zone: step1.algorithm-roll.kasp
+#
+set_zone "step1.algorithm-roll.kasp"
+set_policy "rsasha256" "2" "3600"
+set_server "ns6" "10.53.0.6"
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "8" "RSASHA256" "2048"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "no"
+
+key_clear        "KEY2"
+set_keyrole      "KEY2" "zsk"
+set_keylifetime  "KEY2" "0"
+set_keyalgorithm "KEY2" "8" "RSASHA256" "2048"
+set_keysigning   "KEY2" "no"
+set_zonesigning  "KEY2" "yes"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# The KSK (KEY1) and ZSK (KEY2) start in OMNIPRESENT.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY2" "STATE_ZRRSIG" "omnipresent"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# These keys are immediately published and activated.
+rollover_predecessor_keytimes 0
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the successor keys need to be published.
+# Since the lifetime of the keys are unlimited, so default to loadkeys
+# interval.
+check_next_key_event 3600
+
+#
+# Zone: step1.csk-algorithm-roll.kasp
+#
+set_zone "step1.csk-algorithm-roll.kasp"
+set_policy "csk-algoroll" "1" "3600"
+set_server "ns6" "10.53.0.6"
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "8" "RSASHA256" "2048"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+# The CSK (KEY1) starts in OMNIPRESENT.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_ZRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# This key is immediately published and activated.
+Lcsk=0
+IretCSK=0
+csk_rollover_predecessor_keytimes 0
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the successor keys need to be published.
+# Since the lifetime of the keys are unlimited, so default to loadkeys
+# interval.
+check_next_key_event 3600
+
+#
+# Testing going insecure.
+#
+
+#
+# Zone step1.going-insecure.kasp
+#
+set_zone "step1.going-insecure.kasp"
+set_policy "unsigning" "2" "7200"
+set_server "ns6" "10.53.0.6"
+
+# Policy parameters.
+# Lksk:      0
+# Lzsk:      60 days (5184000 seconds)
+# Iret(KSK): DS TTL (1d) + DprpP (1h) + retire-safety (1h)
+# Iret(KSK): 1d2h (93600 seconds)
+# Iret(ZSK): RRSIG TTL (1d) + Dprp (5m) + Dsgn (9d) + retire-safety (1h)
+# Iret(ZSK): 10d1h5m (867900 seconds)
+Lksk=0
+Lzsk=5184000
+IretKSK=93600
+IretZSK=867900
+
+init_migration_insecure() {
+	key_clear        "KEY1"
+	set_keyrole      "KEY1" "ksk"
+	set_keylifetime  "KEY1" "${Lksk}"
+	set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+	set_keysigning   "KEY1" "yes"
+	set_zonesigning  "KEY1" "no"
+
+	set_keystate "KEY1" "GOAL"         "omnipresent"
+	set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+	set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+	set_keystate "KEY1" "STATE_DS"     "omnipresent"
+
+	key_clear        "KEY2"
+	set_keyrole      "KEY2" "zsk"
+	set_keylifetime  "KEY2" "${Lzsk}"
+	set_keyalgorithm "KEY2" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+	set_keysigning   "KEY2" "no"
+	set_zonesigning  "KEY2" "yes"
+
+	set_keystate "KEY2" "GOAL"         "omnipresent"
+	set_keystate "KEY2" "STATE_DNSKEY" "omnipresent"
+	set_keystate "KEY2" "STATE_ZRRSIG" "omnipresent"
+
+	key_clear "KEY3"
+	key_clear "KEY4"
+}
+init_migration_insecure
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# We have set the timing metadata to now - 10 days (864000 seconds).
+rollover_predecessor_keytimes -864000
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone step1.going-insecure-dynamic.kasp
+#
+
+set_zone "step1.going-insecure-dynamic.kasp"
+set_dynamic
+set_policy "unsigning" "2" "7200"
+set_server "ns6" "10.53.0.6"
+init_migration_insecure
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# We have set the timing metadata to now - 10 days (864000 seconds).
+rollover_predecessor_keytimes -864000
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Zone step1.going-straight-to-none.kasp
+#
+set_zone "step1.going-straight-to-none.kasp"
+set_policy "default" "1" "3600"
+set_server "ns6" "10.53.0.6"
+# Key properties.
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+# DNSKEY, RRSIG (ksk), RRSIG (zsk) are published. DS needs to wait.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_ZRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+# This policy only has one key.
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# The first key is immediately published and activated.
+created=$(key_get KEY1 CREATED)
+set_keytime "KEY1" "PUBLISHED"   "${created}"
+set_keytime "KEY1" "ACTIVE"      "${created}"
+set_keytime "KEY1" "SYNCPUBLISH" "${created}"
+# Key lifetime is unlimited, so not setting RETIRED and REMOVED.
+check_keytimes
+
+check_apex
+check_subdomain
+dnssec_verify
+
+# Reconfig dnssec-policy (triggering algorithm roll and other dnssec-policy
+# changes).
+echo_i "reconfig dnssec-policy to trigger algorithm rollover"
+copy_setports ns6/named2.conf.in ns6/named.conf
+rndc_reconfig ns6 10.53.0.6
+
+# Calculate time passed to correctly check for next key events.
+now="$(TZ=UTC date +%s)"
+time_passed=$((now-start_time))
+echo_i "${time_passed} seconds passed between start of tests and reconfig"
+
+# Wait until we have seen "zone_rekey done:" message for this key.
+_wait_for_done_signing() {
+	_zone=$1
+
+	_ksk=$(key_get $2 KSK)
+	_zsk=$(key_get $2 ZSK)
+	if [ "$_ksk" = "yes" ]; then
+		_role="KSK"
+		_expect_type=EXPECT_KRRSIG
+	elif [ "$_zsk" = "yes" ]; then
+		_role="ZSK"
+		_expect_type=EXPECT_ZRRSIG
+	fi
+
+	if [ "$(key_get ${2} $_expect_type)" = "yes" ] && [ "$(key_get $2 $_role)" = "yes" ]; then
+		_keyid=$(key_get $2 ID)
+		_keyalg=$(key_get $2 ALG_STR)
+		echo_i "wait for zone ${_zone} is done signing with $2 ${_zone}/${_keyalg}/${_keyid}"
+		grep "zone_rekey done: key ${_keyid}/${_keyalg}" "${DIR}/named.run" > /dev/null || return 1
+	fi
+
+	return 0
+}
+
+wait_for_done_signing() {
+	n=$((n+1))
+	echo_i "wait for zone ${ZONE} is done signing ($n)"
+	ret=0
+
+	retry_quiet 30 _wait_for_done_signing ${ZONE} KEY1 || ret=1
+	retry_quiet 30 _wait_for_done_signing ${ZONE} KEY2 || ret=1
+	retry_quiet 30 _wait_for_done_signing ${ZONE} KEY3 || ret=1
+	retry_quiet 30 _wait_for_done_signing ${ZONE} KEY4 || ret=1
+
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+# Test dynamic zones that switch to inline-signing.
+set_zone "dynamic2inline.kasp"
+set_policy "default" "1" "3600"
+set_server "ns6" "10.53.0.6"
+# Key properties.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# The CSK is rumoured.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "hidden"
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+#
+# Testing going insecure.
+#
+
+#
+# Zone: step1.going-insecure.kasp
+#
+set_zone "step1.going-insecure.kasp"
+set_policy "insecure" "2" "7200"
+set_server "ns6" "10.53.0.6"
+# Expect a CDS/CDNSKEY Delete Record.
+set_cdsdelete
+
+# Key goal states should be HIDDEN.
+init_migration_insecure
+set_keystate "KEY1" "GOAL" "hidden"
+set_keystate "KEY2" "GOAL" "hidden"
+# The DS may be removed if we are going insecure.
+set_keystate "KEY1" "STATE_DS" "unretentive"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+# Tell named that the DS has been removed.
+rndc_checkds "$SERVER" "$DIR" "KEY1" "now" "withdrawn" "$ZONE"
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the DS becomes HIDDEN. This happens after the
+# parent propagation delay, retire safety delay, and DS TTL:
+# 1h + 1h + 1d = 26h = 93600 seconds.
+check_next_key_event 93600
+
+#
+# Zone: step2.going-insecure.kasp
+#
+set_zone "step2.going-insecure.kasp"
+set_policy "insecure" "2" "7200"
+set_server "ns6" "10.53.0.6"
+
+# The DS is long enough removed from the zone to be considered HIDDEN.
+# This means the DNSKEY and the KSK signatures can be removed.
+set_keystate     "KEY1" "STATE_DS"     "hidden"
+set_keystate     "KEY1" "STATE_DNSKEY" "unretentive"
+set_keystate     "KEY1" "STATE_KRRSIG" "unretentive"
+set_keysigning   "KEY1" "no"
+
+set_keystate     "KEY2" "STATE_DNSKEY" "unretentive"
+set_keystate     "KEY2" "STATE_ZRRSIG" "unretentive"
+set_zonesigning  "KEY2" "no"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+# Next key event is when the DNSKEY becomes HIDDEN. This happens after the
+# propagation delay, plus DNSKEY TTL:
+# 5m + 2h = 125m =  7500 seconds.
+check_next_key_event 7500
+
+#
+# Zone: step1.going-insecure-dynamic.kasp
+#
+set_zone "step1.going-insecure-dynamic.kasp"
+set_dynamic
+set_policy "insecure" "2" "7200"
+set_server "ns6" "10.53.0.6"
+# Expect a CDS/CDNSKEY Delete Record.
+set_cdsdelete
+
+# Key goal states should be HIDDEN.
+init_migration_insecure
+set_keystate "KEY1" "GOAL" "hidden"
+set_keystate "KEY2" "GOAL" "hidden"
+# The DS may be removed if we are going insecure.
+set_keystate "KEY1" "STATE_DS" "unretentive"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+# Tell named that the DS has been removed.
+rndc_checkds "$SERVER" "$DIR" "KEY1" "now" "withdrawn" "$ZONE"
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the DS becomes HIDDEN. This happens after the
+# parent propagation delay, retire safety delay, and DS TTL:
+# 1h + 1h + 1d = 26h = 93600 seconds.
+check_next_key_event 93600
+
+#
+# Zone: step2.going-insecure-dynamic.kasp
+#
+set_zone "step2.going-insecure-dynamic.kasp"
+set_dynamic
+set_policy "insecure" "2" "7200"
+set_server "ns6" "10.53.0.6"
+
+# The DS is long enough removed from the zone to be considered HIDDEN.
+# This means the DNSKEY and the KSK signatures can be removed.
+set_keystate     "KEY1" "STATE_DS"     "hidden"
+set_keystate     "KEY1" "STATE_DNSKEY" "unretentive"
+set_keystate     "KEY1" "STATE_KRRSIG" "unretentive"
+set_keysigning   "KEY1" "no"
+
+set_keystate     "KEY2" "STATE_DNSKEY" "unretentive"
+set_keystate     "KEY2" "STATE_ZRRSIG" "unretentive"
+set_zonesigning  "KEY2" "no"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+
+# Next key event is when the DNSKEY becomes HIDDEN. This happens after the
+# propagation delay, plus DNSKEY TTL:
+# 5m + 2h = 125m =  7500 seconds.
+check_next_key_event 7500
+
+#
+# Zone: step1.going-straight-to-none.kasp
+#
+set_zone "step1.going-straight-to-none.kasp"
+set_policy "none" "1" "3600"
+set_server "ns6" "10.53.0.6"
+
+# The zone will go bogus after signatures expire, but remains validly signed for now.
+
+# Key properties.
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+# DNSKEY, RRSIG (ksk), RRSIG (zsk) are published. DS needs to wait.
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_ZRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+# This policy only has one key.
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# Various signing policy checks.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+dnssec_verify
+
+#
+# Testing KSK/ZSK algorithm rollover.
+#
+
+# Policy parameters.
+# Lksk: unlimited
+# Lzsk: unlimited
+Lksk=0
+Lzsk=0
+
+#
+# Zone: step1.algorithm-roll.kasp
+#
+set_zone "step1.algorithm-roll.kasp"
+set_policy "ecdsa256" "4" "3600"
+set_server "ns6" "10.53.0.6"
+# Old RSASHA1 keys.
+key_clear        "KEY1"
+set_keyrole      "KEY1" "ksk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "8" "RSASHA256" "2048"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "no"
+
+key_clear        "KEY2"
+set_keyrole      "KEY2" "zsk"
+set_keylifetime  "KEY2" "0"
+set_keyalgorithm "KEY2" "8" "RSASHA256" "2048"
+set_keysigning   "KEY2" "no"
+set_zonesigning  "KEY2" "yes"
+# New ECDSAP256SHA256 keys.
+key_clear        "KEY3"
+set_keyrole      "KEY3" "ksk"
+set_keylifetime  "KEY3" "0"
+set_keyalgorithm "KEY3" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY3" "yes"
+set_zonesigning  "KEY3" "no"
+
+key_clear        "KEY4"
+set_keyrole      "KEY4" "zsk"
+set_keylifetime  "KEY4" "0"
+set_keyalgorithm "KEY4" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY4" "no"
+set_zonesigning  "KEY4" "yes"
+# The RSAHSHA1 keys are outroducing.
+set_keystate "KEY1" "GOAL"         "hidden"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+set_keystate "KEY2" "GOAL"         "hidden"
+set_keystate "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY2" "STATE_ZRRSIG" "omnipresent"
+# The ECDSAP256SHA256 keys are introducing.
+set_keystate "KEY3" "GOAL"         "omnipresent"
+set_keystate "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY3" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY3" "STATE_DS"     "hidden"
+set_keystate "KEY4" "GOAL"         "omnipresent"
+set_keystate "KEY4" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY4" "STATE_ZRRSIG" "rumoured"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys are published and activated.
+rollover_predecessor_keytimes 0
+# - KSK must be retired since it no longer matches the policy.
+keyfile=$(key_get KEY1 BASEFILE)
+grep "; Inactive:" "${keyfile}.key" > retired.test${n}.ksk
+retired=$(awk '{print $3}' < retired.test${n}.ksk)
+set_keytime    "KEY1" "RETIRED"    "${retired}"
+# - The key is removed after the retire interval:
+#   IretKSK = TTLds + DprpP + retire-safety
+#   TTLds:         2h (7200 seconds)
+#   DprpP:         1h (3600 seconds)
+#   retire-safety: 2h (7200 seconds)
+#   IretKSK:       5h (18000 seconds)
+IretKSK=18000
+set_addkeytime "KEY1" "REMOVED"    "${retired}" "${IretKSK}"
+# - ZSK must be retired since it no longer matches the policy.
+keyfile=$(key_get KEY2 BASEFILE)
+grep "; Inactive:" "${keyfile}.key" > retired.test${n}.zsk
+retired=$(awk '{print $3}' < retired.test${n}.zsk)
+set_keytime    "KEY2" "RETIRED"    "${retired}"
+# - The key is removed after the retire interval:
+#   IretZSK = TTLsig + Dprp + Dsgn + retire-safety
+#   TTLsig:        6h (21600 seconds)
+#   Dprp:          1h (3600 seconds)
+#   Dsgn:          25d (2160000 seconds)
+#   retire-safety: 2h (7200 seconds)
+#   IretZSK:       25d9h (2192400 seconds)
+IretZSK=2192400
+set_addkeytime "KEY2" "REMOVED"    "${retired}" "${IretZSK}"
+# - The new KSK is published and activated.
+created=$(key_get KEY3 CREATED)
+set_keytime    "KEY3" "PUBLISHED"   "${created}"
+set_keytime    "KEY3" "ACTIVE"      "${created}"
+# - It takes TTLsig + Dprp + publish-safety hours to propagate the zone.
+#   TTLsig:         6h (39600 seconds)
+#   Dprp:           1h (3600 seconds)
+#   publish-safety: 1h (3600 seconds)
+#   Ipub:           8h (28800 seconds)
+Ipub=28800
+set_addkeytime "KEY3" "SYNCPUBLISH" "${created}" "${Ipub}"
+# - The new ZSK is published and activated.
+created=$(key_get KEY4 CREATED)
+set_keytime    "KEY4" "PUBLISHED"   "${created}"
+set_keytime    "KEY4" "ACTIVE"      "${created}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the ecdsa256 keys have been propagated.
+# This is the DNSKEY TTL plus publish safety plus zone propagation delay:
+# 3 times an hour: 10800 seconds.
+check_next_key_event 10800
+
+#
+# Zone: step2.algorithm-roll.kasp
+#
+set_zone "step2.algorithm-roll.kasp"
+set_policy "ecdsa256" "4" "3600"
+set_server "ns6" "10.53.0.6"
+# The RSAHSHA1 keys are outroducing, but need to stay present until the new
+# algorithm chain of trust has been established. Thus the properties, timings
+# and states of the KEY1 and KEY2 are the same as above.
+
+# The ECDSAP256SHA256 keys are introducing. The DNSKEY RRset is omnipresent,
+# but the zone signatures are not.
+set_keystate "KEY3" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY3" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY4" "STATE_DNSKEY" "omnipresent"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys were activated three hours ago (10800 seconds).
+rollover_predecessor_keytimes -10800
+# - KSK must be retired since it no longer matches the policy.
+created=$(key_get KEY1 CREATED)
+set_keytime    "KEY1" "RETIRED" "${created}"
+set_addkeytime "KEY1" "REMOVED" "${created}" "${IretKSK}"
+# - ZSK must be retired since it no longer matches the policy.
+created=$(key_get KEY2 CREATED)
+set_keytime    "KEY2" "RETIRED" "${created}"
+set_addkeytime "KEY2" "REMOVED" "${created}" "${IretZSK}"
+# - The new keys are published 3 hours ago.
+created=$(key_get KEY3 CREATED)
+set_addkeytime  "KEY3" "PUBLISHED"  "${created}"   -10800
+set_addkeytime  "KEY3" "ACTIVE"     "${created}"   -10800
+published=$(key_get KEY3 PUBLISHED)
+set_addkeytime "KEY3" "SYNCPUBLISH" "${published}" "${Ipub}"
+
+created=$(key_get KEY4 CREATED)
+set_addkeytime "KEY4" "PUBLISHED"   "${created}"   -10800
+set_addkeytime "KEY4" "ACTIVE"      "${created}"   -10800
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when all zone signatures are signed with the new
+# algorithm.  This is the max-zone-ttl plus zone propagation delay
+# plus retire safety: 6h + 1h + 2h.  But three hours have already passed
+# (the time it took to make the DNSKEY omnipresent), so the next event
+# should be scheduled in 6 hour: 21600 seconds.  Prevent intermittent
+# false positives on slow platforms by subtracting the number of seconds
+# which passed between key creation and invoking 'rndc reconfig'.
+next_time=$((21600-time_passed))
+check_next_key_event $next_time
+
+#
+# Zone: step3.algorithm-roll.kasp
+#
+set_zone "step3.algorithm-roll.kasp"
+set_policy "ecdsa256" "4" "3600"
+set_server "ns6" "10.53.0.6"
+# The ECDSAP256SHA256 keys are introducing.
+set_keystate "KEY4" "STATE_ZRRSIG" "omnipresent"
+# The DS can be swapped.
+set_keystate "KEY1" "STATE_DS"     "unretentive"
+set_keystate "KEY3" "STATE_DS"     "rumoured"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# Check that CDS publication is logged.
+check_cdslog "$DIR" "$ZONE" KEY3
+
+# Set expected key times:
+# - The old keys were activated 9 hours ago (32400 seconds).
+rollover_predecessor_keytimes -32400
+# - And retired 6 hours ago (21600 seconds).
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "RETIRED"     "${created}"   -21600
+retired=$(key_get KEY1 RETIRED)
+set_addkeytime "KEY1" "REMOVED"     "${retired}"   "${IretKSK}"
+
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "RETIRED"     "${created}"   -21600
+retired=$(key_get KEY2 RETIRED)
+set_addkeytime "KEY2" "REMOVED"     "${retired}"   "${IretZSK}"
+# - The new keys are published 9 hours ago.
+created=$(key_get KEY3 CREATED)
+set_addkeytime  "KEY3" "PUBLISHED"  "${created}"   -32400
+set_addkeytime  "KEY3" "ACTIVE"     "${created}"   -32400
+published=$(key_get KEY3 PUBLISHED)
+set_addkeytime "KEY3" "SYNCPUBLISH" "${published}" ${Ipub}
+
+created=$(key_get KEY4 CREATED)
+set_addkeytime "KEY4" "PUBLISHED"   "${created}"   -32400
+set_addkeytime "KEY4" "ACTIVE"      "${created}"   -32400
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Tell named we "saw" the parent swap the DS and see if the next key event is
+# scheduled at the correct time.
+rndc_checkds "$SERVER" "$DIR" KEY1 "now" "withdrawn" "$ZONE"
+rndc_checkds "$SERVER" "$DIR" KEY3 "now" "published"  "$ZONE"
+# Next key event is when the DS becomes OMNIPRESENT. This happens after the
+# parent propagation delay, retire safety delay, and DS TTL:
+# 1h + 2h + 2h = 5h = 18000 seconds.
+check_next_key_event 18000
+
+#
+# Zone: step4.algorithm-roll.kasp
+#
+set_zone "step4.algorithm-roll.kasp"
+set_policy "ecdsa256" "4" "3600"
+set_server "ns6" "10.53.0.6"
+# The old DS is HIDDEN, we can remove the old algorithm DNSKEY/RRSIG records.
+set_keysigning   "KEY1" "no"
+set_keystate     "KEY1" "STATE_DNSKEY" "unretentive"
+set_keystate     "KEY1" "STATE_KRRSIG" "unretentive"
+set_keystate     "KEY1" "STATE_DS"     "hidden"
+
+set_zonesigning  "KEY2" "no"
+set_keystate     "KEY2" "GOAL"         "hidden"
+set_keystate     "KEY2" "STATE_DNSKEY" "unretentive"
+set_keystate     "KEY2" "STATE_ZRRSIG" "unretentive"
+# The ECDSAP256SHA256 DS is now OMNIPRESENT.
+set_keystate     "KEY3" "STATE_DS"     "omnipresent"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys were activated 38 hours ago (136800 seconds).
+rollover_predecessor_keytimes -136800
+# - And retired 35 hours ago (126000 seconds).
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "RETIRED"     "${created}"   -126000
+retired=$(key_get KEY1 RETIRED)
+set_addkeytime "KEY1" "REMOVED"     "${retired}"   "${IretKSK}"
+
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "RETIRED"     "${created}"   -126000
+retired=$(key_get KEY2 RETIRED)
+set_addkeytime "KEY2" "REMOVED"     "${retired}"   "${IretZSK}"
+
+# - The new keys are published 38 hours ago.
+created=$(key_get KEY3 CREATED)
+set_addkeytime  "KEY3" "PUBLISHED"  "${created}"   -136800
+set_addkeytime  "KEY3" "ACTIVE"     "${created}"   -136800
+published=$(key_get KEY3 PUBLISHED)
+set_addkeytime "KEY3" "SYNCPUBLISH" "${published}" ${Ipub}
+
+created=$(key_get KEY4 CREATED)
+set_addkeytime "KEY4" "PUBLISHED"   "${created}"   -136800
+set_addkeytime "KEY4" "ACTIVE"      "${created}"   -136800
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the old DNSKEY becomes HIDDEN.  This happens after the
+# DNSKEY TTL plus zone propagation delay (2h).
+check_next_key_event 7200
+
+#
+# Zone: step5.algorithm-roll.kasp
+#
+set_zone "step5.algorithm-roll.kasp"
+set_policy "ecdsa256" "4" "3600"
+set_server "ns6" "10.53.0.6"
+# The DNSKEY becomes HIDDEN.
+set_keystate "KEY1" "STATE_DNSKEY" "hidden"
+set_keystate "KEY1" "STATE_KRRSIG" "hidden"
+set_keystate "KEY2" "STATE_DNSKEY" "hidden"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys were activated 40 hours ago (144000 seconds)
+rollover_predecessor_keytimes -144000
+# - And retired 37 hours ago (133200 seconds).
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "RETIRED"     "${created}"   -133200
+retired=$(key_get KEY1 RETIRED)
+set_addkeytime "KEY1" "REMOVED"     "${retired}"   "${IretKSK}"
+
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "RETIRED"     "${created}"   -133200
+retired=$(key_get KEY2 RETIRED)
+set_addkeytime "KEY2" "REMOVED"     "${retired}"   "${IretZSK}"
+
+# The new keys are published 40 hours ago.
+created=$(key_get KEY3 CREATED)
+set_addkeytime  "KEY3" "PUBLISHED"  "${created}"   -144000
+set_addkeytime  "KEY3" "ACTIVE"     "${created}"   -144000
+published=$(key_get KEY3 PUBLISHED)
+set_addkeytime "KEY3" "SYNCPUBLISH" "${published}" ${Ipub}
+
+created=$(key_get KEY4 CREATED)
+set_addkeytime "KEY4" "PUBLISHED"   "${created}"   -144000
+set_addkeytime "KEY4" "ACTIVE"      "${created}"   -144000
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the RSASHA1 signatures become HIDDEN.  This happens
+# after the max-zone-ttl plus zone propagation delay plus retire safety
+# (6h + 1h + 2h) minus the time already passed since the UNRETENTIVE state has
+# been reached (2h): 9h - 2h = 7h = 25200 seconds. Prevent intermittent
+# false positives on slow platforms by subtracting the number of seconds
+# which passed between key creation and invoking 'rndc reconfig'.
+next_time=$((25200-time_passed))
+check_next_key_event $next_time
+
+#
+# Zone: step6.algorithm-roll.kasp
+#
+set_zone "step6.algorithm-roll.kasp"
+set_policy "ecdsa256" "4" "3600"
+set_server "ns6" "10.53.0.6"
+# The old zone signatures (KEY2) should now also be HIDDEN.
+set_keystate "KEY2" "STATE_ZRRSIG" "hidden"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys were activated 47 hours ago (169200 seconds)
+rollover_predecessor_keytimes -169200
+# - And retired 44 hours ago (158400 seconds).
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "RETIRED"     "${created}"   -158400
+retired=$(key_get KEY1 RETIRED)
+set_addkeytime "KEY1" "REMOVED"     "${retired}"   "${IretKSK}"
+
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "RETIRED"     "${created}"   -158400
+retired=$(key_get KEY2 RETIRED)
+set_addkeytime "KEY2" "REMOVED"     "${retired}"   "${IretZSK}"
+
+# The new keys are published 47 hours ago.
+created=$(key_get KEY3 CREATED)
+set_addkeytime  "KEY3" "PUBLISHED"  "${created}"   -169200
+set_addkeytime  "KEY3" "ACTIVE"     "${created}"   -169200
+published=$(key_get KEY3 PUBLISHED)
+set_addkeytime "KEY3" "SYNCPUBLISH" "${published}" ${Ipub}
+
+created=$(key_get KEY4 CREATED)
+set_addkeytime "KEY4" "PUBLISHED"   "${created}"   -169200
+set_addkeytime "KEY4" "ACTIVE"      "${created}"   -169200
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is never since we established the policy and the keys have
+# an unlimited lifetime.  Fallback to the default loadkeys interval.
+check_next_key_event 3600
+
+#
+# Testing CSK algorithm rollover.
+#
+
+# Policy parameters.
+# Lcsk: unlimited
+Lcksk=0
+
+#
+# Zone: step1.csk-algorithm-roll.kasp
+#
+set_zone "step1.csk-algorithm-roll.kasp"
+set_policy "csk-algoroll" "2" "3600"
+set_server "ns6" "10.53.0.6"
+# Old RSASHA1 key.
+key_clear	 "KEY1"
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "8" "RSASHA256" "2048"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+# New ECDSAP256SHA256 key.
+key_clear        "KEY2"
+set_keyrole      "KEY2" "csk"
+set_keylifetime  "KEY2" "0"
+set_keyalgorithm "KEY2" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY2" "yes"
+set_zonesigning  "KEY2" "yes"
+key_clear "KEY3"
+key_clear "KEY4"
+# The RSAHSHA1 key is outroducing.
+set_keystate "KEY1" "GOAL"         "hidden"
+set_keystate "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_ZRRSIG" "omnipresent"
+set_keystate "KEY1" "STATE_DS"     "omnipresent"
+# The ECDSAP256SHA256 key is introducing.
+set_keystate "KEY2" "GOAL"         "omnipresent"
+set_keystate "KEY2" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY2" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY2" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY2" "STATE_DS"     "hidden"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - CSK must be retired since it no longer matches the policy.
+csk_rollover_predecessor_keytimes 0
+keyfile=$(key_get KEY1 BASEFILE)
+grep "; Inactive:" "${keyfile}.key" > retired.test${n}.ksk
+retired=$(awk '{print $3}' < retired.test${n}.ksk)
+set_keytime    "KEY1" "RETIRED"    "${retired}"
+# - The key is removed after the retire interval:
+#   IretZSK = TTLsig + Dprp + Dsgn + retire-safety
+#   TTLsig:        6h (21600 seconds)
+#   Dprp:          1h (3600 seconds)
+#   Dsgn:          25d (2160000 seconds)
+#   retire-safety: 2h (7200 seconds)
+#   IretZSK:       25d9h (2192400 seconds)
+IretCSK=2192400
+set_addkeytime "KEY1" "REMOVED"    "${retired}" "${IretCSK}"
+# - The new CSK is published and activated.
+created=$(key_get KEY2 CREATED)
+set_keytime    "KEY2" "PUBLISHED"   "${created}"
+set_keytime    "KEY2" "ACTIVE"      "${created}"
+# - It takes TTLsig + Dprp + publish-safety hours to propagate the zone.
+#   TTLsig:         6h (39600 seconds)
+#   Dprp:           1h (3600 seconds)
+#   publish-safety: 1h (3600 seconds)
+#   Ipub:           8h (28800 seconds)
+Ipub=28800
+set_addkeytime "KEY2" "SYNCPUBLISH" "${created}" "${Ipub}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the new key has been propagated.
+# This is the DNSKEY TTL plus publish safety plus zone propagation delay:
+# 3 times an hour: 10800 seconds.
+check_next_key_event 10800
+
+#
+# Zone: step2.csk-algorithm-roll.kasp
+#
+set_zone "step2.csk-algorithm-roll.kasp"
+set_policy "csk-algoroll" "2" "3600"
+set_server "ns6" "10.53.0.6"
+# The RSAHSHA1 key is outroducing, but need to stay present until the new
+# algorithm chain of trust has been established. Thus the properties, timings
+# and states of KEY1 is the same as above.
+#
+# The ECDSAP256SHA256 keys are introducing. The DNSKEY RRset is omnipresent,
+# but the zone signatures are not.
+set_keystate "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate "KEY2" "STATE_KRRSIG" "omnipresent"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old key was activated three hours ago (10800 seconds).
+csk_rollover_predecessor_keytimes -10800
+# - CSK must be retired since it no longer matches the policy.
+created=$(key_get KEY1 CREATED)
+set_keytime    "KEY1" "RETIRED" "${created}"
+set_addkeytime "KEY1" "REMOVED" "${created}" "${IretCSK}"
+# - The new key was published 3 hours ago.
+created=$(key_get KEY2 CREATED)
+set_addkeytime  "KEY2" "PUBLISHED"  "${created}"   -10800
+set_addkeytime  "KEY2" "ACTIVE"     "${created}"   -10800
+published=$(key_get KEY2 PUBLISHED)
+set_addkeytime "KEY2" "SYNCPUBLISH" "${published}" "${Ipub}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when all zone signatures are signed with the new
+# algorithm.  This is the max-zone-ttl plus zone propagation delay
+# plus retire safety: 6h + 1h + 2h.  But three hours have already passed
+# (the time it took to make the DNSKEY omnipresent), so the next event
+# should be scheduled in 6 hour: 21600 seconds.  Prevent intermittent
+# false positives on slow platforms by subtracting the number of seconds
+# which passed between key creation and invoking 'rndc reconfig'.
+next_time=$((21600-time_passed))
+check_next_key_event $next_time
+
+#
+# Zone: step3.csk-algorithm-roll.kasp
+#
+set_zone "step3.csk-algorithm-roll.kasp"
+set_policy "csk-algoroll" "2" "3600"
+set_server "ns6" "10.53.0.6"
+# The RSAHSHA1 key is outroducing, and it is time to swap the DS.
+# The ECDSAP256SHA256 key is introducing. The DNSKEY RRset and all signatures
+# are now omnipresent, so the DS can be introduced.
+set_keystate "KEY2" "STATE_ZRRSIG" "omnipresent"
+# The old DS (KEY1) can be withdrawn and the new DS (KEY2) can be introduced.
+set_keystate "KEY1" "STATE_DS"     "unretentive"
+set_keystate "KEY2" "STATE_DS"     "rumoured"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# Check that CDS publication is logged.
+check_cdslog "$DIR" "$ZONE" KEY2
+
+# Set expected key times:
+# - The old key was activated 9 hours ago (32400 seconds).
+csk_rollover_predecessor_keytimes -32400
+# - And was retired 6 hours ago (21600 seconds).
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "RETIRED"     "${created}"   -21600
+retired=$(key_get KEY1 RETIRED)
+set_addkeytime "KEY1" "REMOVED"     "${retired}"   "${IretCSK}"
+# - The new key was published 9 hours ago.
+created=$(key_get KEY2 CREATED)
+set_addkeytime  "KEY2" "PUBLISHED"  "${created}"   -32400
+set_addkeytime  "KEY2" "ACTIVE"     "${created}"   -32400
+published=$(key_get KEY2 PUBLISHED)
+set_addkeytime "KEY2" "SYNCPUBLISH" "${published}" "${Ipub}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# We ignore any parent registration delay, so set the DS publish time to now.
+rndc_checkds "$SERVER" "$DIR" KEY1 "now" "withdrawn" "$ZONE"
+rndc_checkds "$SERVER" "$DIR" KEY2 "now" "published" "$ZONE"
+# Next key event is when the DS becomes OMNIPRESENT. This happens after the
+# parent propagation delay, retire safety delay, and DS TTL:
+# 1h + 2h + 2h = 5h = 18000 seconds.
+check_next_key_event 18000
+
+#
+# Zone: step4.csk-algorithm-roll.kasp
+#
+set_zone "step4.csk-algorithm-roll.kasp"
+set_policy "csk-algoroll" "2" "3600"
+set_server "ns6" "10.53.0.6"
+# The old DS is HIDDEN, we can remove the old algorithm DNSKEY/RRSIG records.
+set_keysigning   "KEY1" "no"
+set_zonesigning  "KEY1" "no"
+set_keystate     "KEY1" "STATE_DNSKEY" "unretentive"
+set_keystate     "KEY1" "STATE_KRRSIG" "unretentive"
+set_keystate     "KEY1" "STATE_ZRRSIG" "unretentive"
+set_keystate     "KEY1" "STATE_DS"     "hidden"
+# The ECDSAP256SHA256 DS is now OMNIPRESENT.
+set_keystate     "KEY2" "STATE_DS"     "omnipresent"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old key was activated 38 hours ago (136800 seconds)
+csk_rollover_predecessor_keytimes -136800
+# - And retired 35 hours ago (126000 seconds).
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "RETIRED"     "${created}"   -126000
+retired=$(key_get KEY1 RETIRED)
+set_addkeytime "KEY1" "REMOVED"     "${retired}"   "${IretCSK}"
+# - The new key was published 38 hours ago.
+created=$(key_get KEY2 CREATED)
+set_addkeytime  "KEY2" "PUBLISHED"  "${created}"   -136800
+set_addkeytime  "KEY2" "ACTIVE"     "${created}"   -136800
+published=$(key_get KEY2 PUBLISHED)
+set_addkeytime "KEY2" "SYNCPUBLISH" "${published}" ${Ipub}
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the old DNSKEY becomes HIDDEN.  This happens after the
+# DNSKEY TTL plus zone propagation delay (2h).
+check_next_key_event 7200
+
+#
+# Zone: step5.csk-algorithm-roll.kasp
+#
+set_zone "step5.csk-algorithm-roll.kasp"
+set_policy "csk-algoroll" "2" "3600"
+set_server "ns6" "10.53.0.6"
+# The DNSKEY becomes HIDDEN.
+set_keystate "KEY1" "STATE_DNSKEY" "hidden"
+set_keystate "KEY1" "STATE_KRRSIG" "hidden"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old key was activated 40 hours ago (144000 seconds)
+csk_rollover_predecessor_keytimes -144000
+# - And retired 37 hours ago (133200 seconds).
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "RETIRED"     "${created}"   -133200
+retired=$(key_get KEY1 RETIRED)
+set_addkeytime "KEY1" "REMOVED"     "${retired}"   "${IretCSK}"
+# - The new key was published 40 hours ago.
+created=$(key_get KEY2 CREATED)
+set_addkeytime  "KEY2" "PUBLISHED"  "${created}"   -144000
+set_addkeytime  "KEY2" "ACTIVE"     "${created}"   -144000
+published=$(key_get KEY2 PUBLISHED)
+set_addkeytime "KEY2" "SYNCPUBLISH" "${published}" ${Ipub}
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is when the RSASHA1 signatures become HIDDEN.  This happens
+# after the max-zone-ttl plus zone propagation delay plus retire safety
+# (6h + 1h + 2h) minus the time already passed since the UNRETENTIVE state has
+# been reached (2h): 9h - 2h = 7h = 25200 seconds.  Prevent intermittent
+# false positives on slow platforms by subtracting the number of seconds
+# which passed between key creation and invoking 'rndc reconfig'.
+next_time=$((25200-time_passed))
+check_next_key_event $next_time
+
+#
+# Zone: step6.csk-algorithm-roll.kasp
+#
+set_zone "step6.csk-algorithm-roll.kasp"
+set_policy "csk-algoroll" "2" "3600"
+set_server "ns6" "10.53.0.6"
+# The zone signatures should now also be HIDDEN.
+set_keystate "KEY1" "STATE_ZRRSIG" "hidden"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The old keys were activated 47 hours ago (169200 seconds)
+csk_rollover_predecessor_keytimes -169200
+# - And retired 44 hours ago (158400 seconds).
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "RETIRED"     "${created}"   -158400
+retired=$(key_get KEY1 RETIRED)
+set_addkeytime "KEY1" "REMOVED"     "${retired}"   "${IretCSK}"
+# - The new key was published 47 hours ago.
+created=$(key_get KEY2 CREATED)
+set_addkeytime  "KEY2" "PUBLISHED"  "${created}"   -169200
+set_addkeytime  "KEY2" "ACTIVE"     "${created}"   -169200
+published=$(key_get KEY2 PUBLISHED)
+set_addkeytime "KEY2" "SYNCPUBLISH" "${published}" ${Ipub}
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Next key event is never since we established the policy and the keys have
+# an unlimited lifetime.  Fallback to the default loadkeys interval.
+check_next_key_event 3600
+
+_check_soa_ttl() {
+	dig_with_opts @10.53.0.6 example SOA > dig.out.ns6.test$n.soa2 || return 1
+	soa1=$(awk '$4 == "SOA" { print $7 }' dig.out.ns6.test$n.soa1)
+	soa2=$(awk '$4 == "SOA" { print $7 }' dig.out.ns6.test$n.soa2)
+	ttl1=$(awk '$4 == "SOA" { print $2 }' dig.out.ns6.test$n.soa1)
+	ttl2=$(awk '$4 == "SOA" { print $2 }' dig.out.ns6.test$n.soa2)
+	test ${soa1:-1000} -lt ${soa2:-0} || return 1
+	test ${ttl1:-0} -eq $1 || return 1
+	test ${ttl2:-0} -eq $2 || return 1
+}
+
+n=$((n+1))
+echo_i "Check that 'rndc reload' of just the serial updates the signed instance ($n)"
+TSIG=
+ret=0
+dig_with_opts @10.53.0.6 example SOA > dig.out.ns6.test$n.soa1 || ret=1
+cp ns6/example2.db.in ns6/example.db || ret=1
+nextpart ns6/named.run > /dev/null
+rndccmd 10.53.0.6 reload || ret=1
+wait_for_log 3 "all zones loaded" ns6/named.run
+# Check that the SOA SERIAL increases and check the TTLs (should be 300 as
+# defined in ns6/example2.db.in).
+retry_quiet 10 _check_soa_ttl 300 300 || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check that restart with zone changes and deleted journal works ($n)"
+TSIG=
+ret=0
+dig_with_opts @10.53.0.6 example SOA > dig.out.ns6.test$n.soa1 || ret=1
+stop_server --use-rndc --port ${CONTROLPORT} ns6
+# TTL of all records change from 300 to 400
+cp ns6/example3.db.in ns6/example.db || ret=1
+rm ns6/example.db.jnl
+nextpart ns6/named.run > /dev/null
+start_server --noclean --restart --port ${PORT} ns6
+wait_for_log 3 "all zones loaded" ns6/named.run
+# Check that the SOA SERIAL increases and check the TTLs (should be changed
+# from 300 to 400 as defined in ns6/example3.db.in).
+retry_quiet 10 _check_soa_ttl 300 400 || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/kasp/tests_sh_kasp.py b/bin/tests/system/kasp/tests_sh_kasp.py
new file mode 100644
index 0000000..d01125d
--- /dev/null
+++ b/bin/tests/system/kasp/tests_sh_kasp.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_kasp(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/keepalive/clean.sh b/bin/tests/system/keepalive/clean.sh
new file mode 100644
index 0000000..9ccbd12
--- /dev/null
+++ b/bin/tests/system/keepalive/clean.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out.*
+rm -f output
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/named.conf
+rm -f ns*/named.stats
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/keepalive/expected b/bin/tests/system/keepalive/expected
new file mode 100644
index 0000000..e498db7
--- /dev/null
+++ b/bin/tests/system/keepalive/expected
@@ -0,0 +1,4 @@
+tcp-initial-timeout=300
+tcp-idle-timeout=300
+tcp-keepalive-timeout=300
+tcp-advertised-timeout=200
diff --git a/bin/tests/system/keepalive/ns1/named.conf.in b/bin/tests/system/keepalive/ns1/named.conf.in
new file mode 100644
index 0000000..32dbf90
--- /dev/null
+++ b/bin/tests/system/keepalive/ns1/named.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/keepalive/ns1/root.db b/bin/tests/system/keepalive/ns1/root.db
new file mode 100644
index 0000000..17780d1
--- /dev/null
+++ b/bin/tests/system/keepalive/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/keepalive/ns2/example.db b/bin/tests/system/keepalive/ns2/example.db
new file mode 100644
index 0000000..ccc6ef9
--- /dev/null
+++ b/bin/tests/system/keepalive/ns2/example.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	SOA	ns2 hostmaster.isc.org. 1 600 600 1200 600
+@ 	NS	ns2
+ns2 	A	10.53.0.2
+foo	A	10.53.1.1
+bar	A	10.53.2.2
diff --git a/bin/tests/system/keepalive/ns2/named.conf.in b/bin/tests/system/keepalive/ns2/named.conf.in
new file mode 100644
index 0000000..8ccf1c4
--- /dev/null
+++ b/bin/tests/system/keepalive/ns2/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	send-cookie yes;
+	tcp-advertised-timeout 150;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/keepalive/ns3/named.conf.in b/bin/tests/system/keepalive/ns3/named.conf.in
new file mode 100644
index 0000000..3713f13
--- /dev/null
+++ b/bin/tests/system/keepalive/ns3/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation no;
+};
+
+server 10.53.0.2 {
+	tcp-only yes;
+	tcp-keepalive yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/keepalive/setup.sh b/bin/tests/system/keepalive/setup.sh
new file mode 100644
index 0000000..7ffda55
--- /dev/null
+++ b/bin/tests/system/keepalive/setup.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
diff --git a/bin/tests/system/keepalive/tests.sh b/bin/tests/system/keepalive/tests.sh
new file mode 100644
index 0000000..7314a9e
--- /dev/null
+++ b/bin/tests/system/keepalive/tests.sh
@@ -0,0 +1,99 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC  -c ../common/rndc.conf -s 10.53.0.2 -p ${CONTROLPORT}"
+
+n=0
+status=0
+
+echo_i "checking that dig handles TCP keepalive ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +qr +keepalive foo.example @10.53.0.2 > dig.out.test$n
+grep "; TCP KEEPALIVE" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that dig added TCP keepalive ($n)"
+ret=0
+n=$((n + 1))
+$RNDCCMD stats
+grep "EDNS TCP keepalive option received" ns2/named.stats > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that TCP keepalive is added for TCP responses ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +vc +keepalive foo.example @10.53.0.2 > dig.out.test$n
+grep "; TCP KEEPALIVE" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that TCP keepalive requires TCP ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +keepalive foo.example @10.53.0.2 > dig.out.test$n
+grep "; TCP KEEPALIVE" dig.out.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking default value ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +vc +keepalive foo.example @10.53.0.3 > dig.out.test$n
+grep "; TCP KEEPALIVE: 30.0 secs" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking configured value ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +vc +keepalive foo.example @10.53.0.2 > dig.out.test$n
+grep "; TCP KEEPALIVE: 15.0 secs" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking re-configured value ($n)"
+ret=0
+n=$((n + 1))
+$RNDCCMD tcp-timeouts 300 300 300 200 > output
+diff -b output expected || ret=1
+$DIG $DIGOPTS +vc +keepalive foo.example @10.53.0.2 > dig.out.test$n
+grep "; TCP KEEPALIVE: 20.0 secs" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking server config entry ($n)"
+ret=0
+n=$((n + 1))
+$RNDCCMD stats
+oka=$(grep  "EDNS TCP keepalive option received" ns2/named.stats | \
+    tail -1 | awk '{ print $1}')
+$DIG $DIGOPTS bar.example @10.53.0.3 > dig.out.test$n
+$RNDCCMD stats
+nka=$(grep  "EDNS TCP keepalive option received" ns2/named.stats | \
+    tail -1 | awk '{ print $1}')
+#echo oka ':' $oka
+#echo nka ':' $nka
+if [ "$oka" -eq "$nka" ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/keepalive/tests_sh_keepalive.py b/bin/tests/system/keepalive/tests_sh_keepalive.py
new file mode 100644
index 0000000..a2433c4
--- /dev/null
+++ b/bin/tests/system/keepalive/tests_sh_keepalive.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_keepalive(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/keyfromlabel/clean.sh b/bin/tests/system/keyfromlabel/clean.sh
new file mode 100644
index 0000000..bce2099
--- /dev/null
+++ b/bin/tests/system/keyfromlabel/clean.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+rm -f K*
+rm -f pin
+rm -f dsset-*
+rm -f *.example.db *.example.db.signed
+rm -f keyfromlabel.out.*
+rm -f pkcs11-tool.out.*
+rm -f signer.out.*
+
+softhsm2-util --delete-token --token "softhsm2-keyfromlabel" >/dev/null 2>&1 || echo_i "softhsm2-keyfromlabel token not found for cleaning"
diff --git a/bin/tests/system/keyfromlabel/prereq.sh b/bin/tests/system/keyfromlabel/prereq.sh
new file mode 100644
index 0000000..2002c2a
--- /dev/null
+++ b/bin/tests/system/keyfromlabel/prereq.sh
@@ -0,0 +1,21 @@
+#!/bin/sh -e
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+if [ -n "${SOFTHSM2_MODULE}" ] && command -v pkcs11-tool >/dev/null && command -v softhsm2-util >/dev/null; then
+	exit 0
+fi
+
+echo_i "skip: softhsm2-util or pkcs11-tool not available"
+exit 255
diff --git a/bin/tests/system/keyfromlabel/setup.sh b/bin/tests/system/keyfromlabel/setup.sh
new file mode 100644
index 0000000..703814d
--- /dev/null
+++ b/bin/tests/system/keyfromlabel/setup.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+softhsm2-util --init-token --free --pin 1234 --so-pin 1234 --label "softhsm2-keyfromlabel" | awk '/^The token has been initialized and is reassigned to slot/ { print $NF }'
+
+printf '%s' "${HSMPIN:-1234}" > pin
+PWD=$(pwd)
diff --git a/bin/tests/system/keyfromlabel/template.db.in b/bin/tests/system/keyfromlabel/template.db.in
new file mode 100644
index 0000000..7941903
--- /dev/null
+++ b/bin/tests/system/keyfromlabel/template.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0. If a copy of the MPL was not distributed with this
+; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+
+txt			TXT	"test"
+
diff --git a/bin/tests/system/keyfromlabel/tests.sh b/bin/tests/system/keyfromlabel/tests.sh
new file mode 100644
index 0000000..5cedbf9
--- /dev/null
+++ b/bin/tests/system/keyfromlabel/tests.sh
@@ -0,0 +1,93 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+PWD=$(pwd)
+
+keygen() {
+	type="$1"
+	bits="$2"
+	zone="$3"
+	id="$4"
+
+	label="${id}-${zone}"
+	p11id=$(echo "${label}" | openssl sha1 -r | awk '{print $1}')
+	pkcs11-tool --module $SOFTHSM2_MODULE --token-label "softhsm2-keyfromlabel" -l -k --key-type $type:$bits --label "${label}" --id "${p11id}" --pin $(cat $PWD/pin) > pkcs11-tool.out.$zone.$id || return 1
+}
+
+keyfromlabel() {
+        alg="$1"
+        zone="$2"
+        id="$3"
+        shift 3
+
+	$KEYFRLAB -E pkcs11 -a $alg -l "token=softhsm2-keyfromlabel;object=${id}-${zone};pin-source=$PWD/pin" "$@" $zone >> keyfromlabel.out.$zone.$id 2>> /dev/null || return 1
+	cat keyfromlabel.out.$zone.$id
+}
+
+infile="template.db.in"
+for algtypebits in rsasha256:rsa:2048 rsasha512:rsa:2048 \
+		   ecdsap256sha256:EC:prime256v1 ecdsap384sha384:EC:prime384v1
+		   # Edwards curves are not yet supported by OpenSC
+		   # ed25519:EC:edwards25519 ed448:EC:edwards448
+do
+	alg=$(echo "$algtypebits" | cut -f 1 -d :)
+	type=$(echo "$algtypebits" | cut -f 2 -d :)
+	bits=$(echo "$algtypebits" | cut -f 3 -d :)
+
+	if $SHELL ../testcrypto.sh $alg; then
+		zone="$alg.example"
+		zonefile="zone.$alg.example.db"
+		ret=0
+
+		echo_i "Generate keys $alg $type:$bits for zone $zone"
+		keygen $type $bits $zone keyfromlabel-zsk || ret=1
+		keygen $type $bits $zone keyfromlabel-ksk || ret=1
+		test "$ret" -eq 0 || echo_i "failed"
+		status=$((status+ret))
+
+		# Skip dnssec-keyfromlabel if key generation failed.
+		test $ret -eq 0 || continue
+
+		echo_i "Get ZSK $alg $zone $type:$bits"
+		ret=0
+		zsk=$(keyfromlabel $alg $zone keyfromlabel-zsk)
+		test -z "$zsk" && ret=1
+		test "$ret" -eq 0 || echo_i "failed (zsk=$zsk)"
+		status=$((status+ret))
+
+		echo_i "Get KSK $alg $zone $type:$bits"
+		ret=0
+		ksk=$(keyfromlabel $alg $zone keyfromlabel-ksk -f KSK)
+		test -z "$ksk" && ret=1
+		test "$ret" -eq 0 || echo_i "failed (ksk=$ksk)"
+		status=$((status+ret))
+
+		# Skip signing if dnssec-keyfromlabel failed.
+		test $ret -eq 0 || continue
+
+		echo_i "Sign zone with $ksk $zsk"
+		ret=0
+		cat "$infile" "$ksk.key" "$zsk.key" > "$zonefile"
+		$SIGNER -E pkcs11 -S -a -g -o "$zone" "$zonefile" > signer.out.$zone || ret=1
+		test "$ret" -eq 0 || echo_i "failed"
+		status=$((status+ret))
+	fi
+done
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/keyfromlabel/tests_sh_keyfromlabel.py b/bin/tests/system/keyfromlabel/tests_sh_keyfromlabel.py
new file mode 100644
index 0000000..9cbf56e
--- /dev/null
+++ b/bin/tests/system/keyfromlabel/tests_sh_keyfromlabel.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_keyfromlabel(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/keymgr2kasp/README b/bin/tests/system/keymgr2kasp/README
new file mode 100644
index 0000000..f941209
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/README
@@ -0,0 +1,17 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+The test setup for migrating to KASP tests.
+
+ns3 is an authoritative server for the various test domains.
+
+ns4 is an authoritative server that tests a specific case where zones
+using views migrate to dnssec-policy.
diff --git a/bin/tests/system/keymgr2kasp/clean.sh b/bin/tests/system/keymgr2kasp/clean.sh
new file mode 100644
index 0000000..1fe2bb9
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/clean.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+rm -f ns*/K*.private ns*/K*.key ns*/K*.state
+rm -f ns*/named.conf ns*/kasp.conf
+rm -f ns*/named.memstats ns*/named.run
+rm -f ns*/keygen.out* ns*/signer.out*
+rm -f ns*/zones
+rm -f ns*/dsset-*
+rm -f ns*/*.db ns*/*.db.jnl ns*/*.db.jbk
+rm -f ns*/*.db.signed* ns*/*.db.infile
+rm -f ns*/managed-keys.bind*
+rm -f ns*/*.mkeys*
+rm -f ./*.created
+rm -f ./created.key-*
+rm -f ./dig.out*
+rm -f ./python.out.*
+rm -f ./retired.*
+rm -f ./rndc.dnssec.*
+rm -f ./unused.key*
+rm -f ./verify.out.*
+
diff --git a/bin/tests/system/keymgr2kasp/ns3/kasp.conf.in b/bin/tests/system/keymgr2kasp/ns3/kasp.conf.in
new file mode 100644
index 0000000..55a827b
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/ns3/kasp.conf.in
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+dnssec-policy "migrate" {
+	dnskey-ttl 7200;
+
+	keys {
+		ksk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+		zsk key-directory lifetime P60D algorithm @DEFAULT_ALGORITHM@;
+	};
+};
+
+dnssec-policy "timing-metadata" {
+	dnskey-ttl 300;
+
+	signatures-refresh P1W;
+	signatures-validity P2W;
+	signatures-validity-dnskey P2W;
+
+	keys {
+		ksk key-directory lifetime P60D algorithm @DEFAULT_ALGORITHM@;
+		zsk key-directory lifetime P60D algorithm @DEFAULT_ALGORITHM@;
+	};
+
+	// Together 12h
+	zone-propagation-delay 3600;
+	max-zone-ttl 11h;
+
+	// Together 3h
+	parent-propagation-delay pt1h;
+	parent-ds-ttl 7200;
+};
+
+/*
+ * This policy tests migration from existing keys with 1024 bits RSASHA1 keys
+ * to ECDSAP256SHA256 keys.
+ */
+dnssec-policy "migrate-nomatch-algnum" {
+	dnskey-ttl 300;
+
+	keys {
+		ksk key-directory lifetime unlimited algorithm ecdsa256;
+		zsk key-directory lifetime P60D algorithm ecdsa256;
+	};
+
+	// Together 12h
+	zone-propagation-delay 3600;
+	max-zone-ttl 11h;
+
+	// Together 3h
+	parent-propagation-delay pt1h;
+	parent-ds-ttl 7200;
+};
+
+/*
+ * This policy tests migration from existing keys with 2048 bits RSASHA256 keys
+ * to 3072 bits RSASHA256 keys.
+ */
+dnssec-policy "migrate-nomatch-alglen" {
+	dnskey-ttl 300;
+
+	keys {
+		ksk key-directory lifetime unlimited algorithm rsasha256 3072;
+		zsk key-directory lifetime P60D algorithm rsasha256 3072;
+	};
+
+	// Together 12h
+	zone-propagation-delay 3600;
+	max-zone-ttl 11h;
+
+	// Together 3h
+	parent-propagation-delay pt1h;
+	parent-ds-ttl 7200;
+};
+
+/*
+ * This policy tests migration from existing KSK and ZSK to CSK.
+ * The keys clause matches the default policy.
+ */
+dnssec-policy "migrate-nomatch-kzc" {
+	dnskey-ttl 300;
+
+	keys {
+		csk key-directory lifetime unlimited algorithm @DEFAULT_ALGORITHM@;
+	};
+
+	// Together 12h
+	zone-propagation-delay 3600;
+	max-zone-ttl 11h;
+
+	// Together 3h
+	parent-propagation-delay pt1h;
+	parent-ds-ttl 7200;
+};
diff --git a/bin/tests/system/keymgr2kasp/ns3/named.conf.in b/bin/tests/system/keymgr2kasp/ns3/named.conf.in
new file mode 100644
index 0000000..40104c1
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/ns3/named.conf.in
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	key-directory ".";
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+/* These are zones that migrate to dnssec-policy. */
+zone "migrate.kasp" {
+	type primary;
+	file "migrate.kasp.db";
+	auto-dnssec maintain;
+	allow-update { any; };
+	dnssec-dnskey-kskonly yes;
+	update-check-ksk yes;
+};
+
+zone "csk.kasp" {
+	type primary;
+	file "csk.kasp.db";
+	auto-dnssec maintain;
+	allow-update { any; };
+	dnssec-dnskey-kskonly no;
+};
+
+zone "csk-nosep.kasp" {
+	type primary;
+	file "csk-nosep.kasp.db";
+	auto-dnssec maintain;
+	allow-update { any; };
+	dnssec-dnskey-kskonly no;
+};
+
+zone "rumoured.kasp" {
+	type primary;
+	file "rumoured.kasp.db";
+	auto-dnssec maintain;
+	allow-update { any; };
+	dnssec-dnskey-kskonly yes;
+	update-check-ksk yes;
+};
+
+zone "omnipresent.kasp" {
+	type primary;
+	file "omnipresent.kasp.db";
+	auto-dnssec maintain;
+	allow-update { any; };
+	dnssec-dnskey-kskonly yes;
+	update-check-ksk yes;
+};
+
+zone "migrate-nomatch-algnum.kasp" {
+	type primary;
+	file "migrate-nomatch-algnum.kasp.db";
+	auto-dnssec maintain;
+	allow-update { any; };
+	dnssec-dnskey-kskonly yes;
+	update-check-ksk yes;
+};
+
+zone "migrate-nomatch-alglen.kasp" {
+	type primary;
+	file "migrate-nomatch-alglen.kasp.db";
+	auto-dnssec maintain;
+	allow-update { any; };
+	dnssec-dnskey-kskonly yes;
+	update-check-ksk yes;
+};
+
+zone "migrate-nomatch-kzc.kasp" {
+	type primary;
+	file "migrate-nomatch-kzc.kasp.db";
+	auto-dnssec maintain;
+	inline-signing yes;
+};
diff --git a/bin/tests/system/keymgr2kasp/ns3/named2.conf.in b/bin/tests/system/keymgr2kasp/ns3/named2.conf.in
new file mode 100644
index 0000000..3eb1adf
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/ns3/named2.conf.in
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+include "kasp.conf";
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+/* These are zones that migrate to dnssec-policy. */
+zone "migrate.kasp" {
+	type primary;
+	file "migrate.kasp.db";
+	allow-update { any; };
+	dnssec-policy "migrate";
+};
+
+zone "csk.kasp" {
+	type primary;
+	file "csk.kasp.db";
+	allow-update { any; };
+	dnssec-policy "default";
+};
+
+zone "csk-nosep.kasp" {
+	type primary;
+	file "csk-nosep.kasp.db";
+	allow-update { any; };
+	dnssec-policy "default";
+};
+
+zone "rumoured.kasp" {
+	type primary;
+	file "rumoured.kasp.db";
+	allow-update { any; };
+	dnssec-policy "timing-metadata";
+};
+
+zone "omnipresent.kasp" {
+	type primary;
+	file "omnipresent.kasp.db";
+	allow-update { any; };
+	dnssec-policy "timing-metadata";
+};
+
+zone "migrate-nomatch-algnum.kasp" {
+	type primary;
+	file "migrate-nomatch-algnum.kasp.db";
+	allow-update { any; };
+	dnssec-policy "migrate-nomatch-algnum";
+};
+
+zone "migrate-nomatch-alglen.kasp" {
+	type primary;
+	file "migrate-nomatch-alglen.kasp.db";
+	allow-update { any; };
+	dnssec-policy "migrate-nomatch-alglen";
+};
+
+zone "migrate-nomatch-kzc.kasp" {
+	type primary;
+	file "migrate-nomatch-kzc.kasp.db";
+	inline-signing yes;
+	dnssec-policy "migrate-nomatch-kzc";
+};
diff --git a/bin/tests/system/keymgr2kasp/ns3/setup.sh b/bin/tests/system/keymgr2kasp/ns3/setup.sh
new file mode 100644
index 0000000..9f53851
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/ns3/setup.sh
@@ -0,0 +1,148 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns3/setup.sh"
+
+setup() {
+	zone="$1"
+	echo_i "setting up zone: $zone"
+	zonefile="${zone}.db"
+	infile="${zone}.db.infile"
+}
+
+# Make lines shorter by storing key states in environment variables.
+H="HIDDEN"
+R="RUMOURED"
+O="OMNIPRESENT"
+U="UNRETENTIVE"
+
+# Set up a zone with auto-dnssec maintain to migrate to dnssec-policy.
+setup migrate.kasp
+echo "$zone" >> zones
+ksktimes="-P now -A now -P sync now"
+zsktimes="-P now -A now"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200        $zsktimes $zone 2> keygen.out.$zone.2)
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O full -f $zonefile $infile > signer.out.$zone.1 2>&1
+
+# Set up Single-Type Signing Scheme zones with auto-dnssec maintain to
+# migrate to dnssec-policy. This is a zone that has 'update-check-ksk no;'
+# configured, meaning the zone is signed with a single CSK.
+setup csk.kasp
+echo "$zone" >> zones
+csktimes="-P now -A now -P sync now"
+CSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 -f KSK $csktimes $zone 2> keygen.out.$zone.1)
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+$SIGNER -S -z -s now-1h -e now+2w -o $zone -O full -f $zonefile $infile > signer.out.$zone.1 2>&1
+
+setup csk-nosep.kasp
+echo "$zone" >> zones
+csktimes="-P now -A now -P sync now"
+CSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 7200 $csktimes $zone 2> keygen.out.$zone.1)
+cat template.db.in "${CSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$CSK" >> "$infile"
+$SIGNER -S -z -s now-1h -e now+2w -o $zone -O full -f $zonefile $infile > signer.out.$zone.1 2>&1
+
+# Set up a zone with auto-dnssec maintain to migrate to dnssec-policy, but this
+# time the existing keys do not match the policy.  The existing keys are
+# RSASHA256 keys, and will be migrated to a dnssec-policy that dictates
+# ECDSAP256SHA256 keys.
+setup migrate-nomatch-algnum.kasp
+echo "$zone" >> zones
+Tds="now-3h"     # Time according to dnssec-policy that DS will be OMNIPRESENT
+Tkey="now-3900s" # DNSKEY TTL + propagation delay
+Tsig="now-12h"   # Zone's maximum TTL + propagation delay
+ksktimes="-P ${Tkey} -A ${Tkey} -P sync ${Tds}"
+zsktimes="-P ${Tkey} -A ${Tsig}"
+KSK=$($KEYGEN -a RSASHA256 -b 2048 -L 300 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a RSASHA256 -b 2048 -L 300        $zsktimes $zone 2> keygen.out.$zone.2)
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone 5 "$KSK" >> "$infile"
+private_type_record $zone 5 "$ZSK" >> "$infile"
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O full -f $zonefile $infile > signer.out.$zone.1 2>&1
+
+# Set up a zone with auto-dnssec maintain to migrate to dnssec-policy, but this
+# time the existing keys do not match the policy.  The existing keys are
+# 2048 bits RSASHA256 keys, and will be migrated to a dnssec-policy that
+# dictates 3072 bits RSASHA256 keys.
+setup migrate-nomatch-alglen.kasp
+echo "$zone" >> zones
+Tds="now-3h"     # Time according to dnssec-policy that DS will be OMNIPRESENT
+Tkey="now-3900s" # DNSKEY TTL + propagation delay
+Tsig="now-12h"   # Zone's maximum TTL + propagation delay
+ksktimes="-P ${Tkey} -A ${Tkey} -P sync ${Tds}"
+zsktimes="-P ${Tkey} -A ${Tsig}"
+KSK=$($KEYGEN -a RSASHA256 -b 2048 -L 300 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a RSASHA256 -b 2048 -L 300        $zsktimes $zone 2> keygen.out.$zone.2)
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone 5 "$KSK" >> "$infile"
+private_type_record $zone 5 "$ZSK" >> "$infile"
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O full -f $zonefile $infile > signer.out.$zone.1 2>&1
+
+# Set up a zone with auto-dnssec maintain to migrate to default dnssec-policy.
+# The zone is signed with KSK/ZSK split, but the dnssec-policy uses CSK.
+setup migrate-nomatch-kzc.kasp
+echo "$zone" >> zones
+Tds="now-3h"     # Time according to dnssec-policy that DS will be OMNIPRESENT
+Tkey="now-3900s" # DNSKEY TTL + propagation delay
+Tsig="now-12h"   # Zone's maximum TTL + propagation delay
+ksktimes="-P ${Tkey} -A ${Tkey} -P sync ${Tds}"
+zsktimes="-P ${Tkey} -A ${Tsig}"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300        $zsktimes $zone 2> keygen.out.$zone.2)
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+cp $infile $zonefile
+private_type_record $zone 5 "$KSK" >> "$infile"
+private_type_record $zone 5 "$ZSK" >> "$infile"
+$SIGNER -PS -x -s now-1h -e now+2w -o $zone -O raw -f "${zonefile}.signed" $infile > signer.out.$zone.1 2>&1
+
+#
+# Set up zones to test time metadata correctly sets state.
+#
+
+# Key states expected to be rumoured after migration.
+setup rumoured.kasp
+echo "$zone" >> zones
+Tds="now-2h"
+Tkey="now-300s"
+Tsig="now-11h"
+ksktimes="-P ${Tkey} -A ${Tkey} -P sync ${Tds}"
+zsktimes="-P ${Tkey} -A ${Tsig}"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300        $zsktimes $zone 2> keygen.out.$zone.2)
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O full -f $zonefile $infile > signer.out.$zone.1 2>&1
+
+# Key states expected to be omnipresent after migration.
+setup omnipresent.kasp
+echo "$zone" >> zones
+Tds="now-3h"     # Time according to dnssec-policy that DS will be OMNIPRESENT
+Tkey="now-3900s" # DNSKEY TTL + propagation delay
+Tsig="now-12h"   # Zone's maximum TTL + propagation delay
+ksktimes="-P ${Tkey} -A ${Tkey} -P sync ${Tds}"
+zsktimes="-P ${Tkey} -A ${Tsig}"
+KSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $DEFAULT_ALGORITHM -L 300        $zsktimes $zone 2> keygen.out.$zone.2)
+cat template.db.in "${KSK}.key" "${ZSK}.key" > "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$KSK" >> "$infile"
+private_type_record $zone $DEFAULT_ALGORITHM_NUMBER "$ZSK" >> "$infile"
+$SIGNER -S -x -s now-1h -e now+2w -o $zone -O full -f $zonefile $infile > signer.out.$zone.1 2>&1
diff --git a/bin/tests/system/keymgr2kasp/ns3/template.db.in b/bin/tests/system/keymgr2kasp/ns3/template.db.in
new file mode 100644
index 0000000..010b05b
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/ns3/template.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns3
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+
diff --git a/bin/tests/system/keymgr2kasp/ns4/named.conf.in b/bin/tests/system/keymgr2kasp/ns4/named.conf.in
new file mode 100644
index 0000000..ac25806
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/ns4/named.conf.in
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	key-directory ".";
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key "external" {
+	algorithm @DEFAULT_HMAC@;
+	secret "YPfMoAk6h+3iN8MDRQC004iSNHY=";
+};
+
+key "internal" {
+	algorithm @DEFAULT_HMAC@;
+	secret "4xILSZQnuO1UKubXHkYUsvBRPu8=";
+};
+
+view "ext" {
+        match-clients { key "external"; };
+
+	zone "view-rsasha256.kasp" {
+		type primary;
+		file "view-rsasha256.kasp.ext.db";
+		auto-dnssec maintain;
+		inline-signing yes;
+		dnssec-dnskey-kskonly yes;
+		update-check-ksk yes;
+	};
+};
+
+view "int" {
+        match-clients { key "internal"; };
+
+	zone "view-rsasha256.kasp" {
+		type primary;
+		file "view-rsasha256.kasp.int.db";
+		auto-dnssec maintain;
+		inline-signing yes;
+		dnssec-dnskey-kskonly yes;
+		update-check-ksk yes;
+	};
+};
diff --git a/bin/tests/system/keymgr2kasp/ns4/named2.conf.in b/bin/tests/system/keymgr2kasp/ns4/named2.conf.in
new file mode 100644
index 0000000..fb533f9
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/ns4/named2.conf.in
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	key-directory ".";
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+dnssec-policy "rsasha256" {
+	keys {
+		zsk key-directory lifetime P3M algorithm 8 2048;
+		ksk key-directory lifetime P1Y algorithm 8 2048;
+	};
+
+	dnskey-ttl 300;
+	publish-safety 1h;
+	retire-safety 1h;
+
+	signatures-refresh 5d;
+	signatures-validity 14d;
+	signatures-validity-dnskey 14d;
+
+	max-zone-ttl 1d;
+	zone-propagation-delay 300;
+
+	parent-ds-ttl 86400;
+	parent-propagation-delay 3h;
+};
+
+key "external" {
+	algorithm @DEFAULT_HMAC@;
+	secret "YPfMoAk6h+3iN8MDRQC004iSNHY=";
+};
+
+key "internal" {
+	algorithm @DEFAULT_HMAC@;
+	secret "4xILSZQnuO1UKubXHkYUsvBRPu8=";
+};
+
+view "ext" {
+        match-clients { key "external"; };
+
+	zone "view-rsasha256.kasp" {
+		type primary;
+		file "view-rsasha256.kasp.ext.db";
+		inline-signing yes;
+		dnssec-policy "rsasha256";
+	};
+};
+
+view "int" {
+        match-clients { key "internal"; };
+
+	zone "view-rsasha256.kasp" {
+		type primary;
+		file "view-rsasha256.kasp.int.db";
+		inline-signing yes;
+		dnssec-policy "rsasha256";
+	};
+};
diff --git a/bin/tests/system/keymgr2kasp/ns4/setup.sh b/bin/tests/system/keymgr2kasp/ns4/setup.sh
new file mode 100644
index 0000000..63121a0
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/ns4/setup.sh
@@ -0,0 +1,46 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns4/setup.sh"
+
+# Make lines shorter by storing key states in environment variables.
+H="HIDDEN"
+R="RUMOURED"
+O="OMNIPRESENT"
+U="UNRETENTIVE"
+
+zone="view-rsasha256.kasp"
+algo="RSASHA256"
+num="8"
+echo "$zone" >> zones
+
+# Set up zones in views with auto-dnssec maintain to migrate to dnssec-policy.
+# The keys for these zones are in use long enough that they should start a
+# rollover for the ZSK (P3M), but not long enough to initiate a KSK rollover (P1Y).
+ksktimes="-P -186d -A -186d -P sync -186d"
+zsktimes="-P -186d -A -186d"
+KSK=$($KEYGEN -a $algo -L 300 -b 2048 -f KSK $ksktimes $zone 2> keygen.out.$zone.1)
+ZSK=$($KEYGEN -a $algo -L 300 -b 2048        $zsktimes $zone 2> keygen.out.$zone.2)
+
+echo_i "setting up zone $zone (external)"
+view="ext"
+zonefile="${zone}.${view}.db"
+cat template.$view.db.in "${KSK}.key" "${ZSK}.key" > "$zonefile"
+
+echo_i "setting up zone $zone (internal)"
+view="int"
+zonefile="${zone}.${view}.db"
+cat template.$view.db.in "${KSK}.key" "${ZSK}.key" > "$zonefile"
diff --git a/bin/tests/system/keymgr2kasp/ns4/template.ext.db.in b/bin/tests/system/keymgr2kasp/ns4/template.ext.db.in
new file mode 100644
index 0000000..eecda2f
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/ns4/template.ext.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns4
+ns4			A	10.53.0.4
+
+view			TXT	"external"
diff --git a/bin/tests/system/keymgr2kasp/ns4/template.int.db.in b/bin/tests/system/keymgr2kasp/ns4/template.int.db.in
new file mode 100644
index 0000000..3783d64
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/ns4/template.int.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns4
+ns4			A	10.53.0.4
+
+view			TXT	"internal"
diff --git a/bin/tests/system/keymgr2kasp/setup.sh b/bin/tests/system/keymgr2kasp/setup.sh
new file mode 100644
index 0000000..e43f798
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/setup.sh
@@ -0,0 +1,34 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+$SHELL clean.sh
+
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+
+copy_setports ns3/kasp.conf.in ns3/kasp.conf
+
+# Setup zones
+(
+	cd ns3
+	$SHELL setup.sh
+)
+(
+	cd ns4
+	$SHELL setup.sh
+)
diff --git a/bin/tests/system/keymgr2kasp/tests.sh b/bin/tests/system/keymgr2kasp/tests.sh
new file mode 100644
index 0000000..6f9caae
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/tests.sh
@@ -0,0 +1,1276 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+# shellcheck source=kasp.sh
+. ../kasp.sh
+
+start_time="$(TZ=UTC date +%s)"
+status=0
+n=0
+
+###############################################################################
+# Utilities                                                                   #
+###############################################################################
+
+# Call dig with default options.
+dig_with_opts() {
+
+	if [ -n "$TSIG" ]; then
+		"$DIG" +tcp +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" -y "$TSIG" "$@"
+	else
+		"$DIG" +tcp +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" "$@"
+	fi
+}
+
+# Log error and increment failure rate.
+log_error() {
+	echo_i "error: $1"
+	ret=$((ret+1))
+}
+
+# Default next key event threshold. May be extended by wait periods.
+next_key_event_threshold=100
+
+###############################################################################
+# Tests                                                                       #
+###############################################################################
+
+set_retired_removed() {
+	_Lkey=$2
+	_Iret=$3
+
+	_active=$(key_get $1 ACTIVE)
+	set_addkeytime "${1}" "RETIRED" "${_active}"  "${_Lkey}"
+	_retired=$(key_get $1 RETIRED)
+	set_addkeytime "${1}" "REMOVED" "${_retired}" "${_Iret}"
+}
+
+rollover_predecessor_keytimes() {
+	_addtime=$1
+
+	_created=$(key_get KEY1 CREATED)
+
+	set_addkeytime  "KEY1" "PUBLISHED"   "${_created}" "${_addtime}"
+	set_addkeytime  "KEY1" "SYNCPUBLISH" "${_created}" "${_addtime}"
+	set_addkeytime  "KEY1" "ACTIVE"      "${_created}" "${_addtime}"
+	[ "$Lksk" = 0 ] || set_retired_removed "KEY1" "${Lksk}" "${IretKSK}"
+
+	_created=$(key_get KEY2 CREATED)
+	set_addkeytime  "KEY2" "PUBLISHED"   "${_created}" "${_addtime}"
+	set_addkeytime  "KEY2" "ACTIVE"      "${_created}" "${_addtime}"
+	[ "$Lzsk" = 0 ] || set_retired_removed "KEY2" "${Lzsk}" "${IretZSK}"
+}
+
+# Policy parameters.
+# Lksk: unlimited
+# Lzsk: unlimited
+Lksk=0
+Lzsk=0
+
+
+#################################################
+# Test state before switching to dnssec-policy. #
+#################################################
+
+# Set expected key properties for migration tests.
+# $1 $2: Algorithm number and string.
+# $3 $4: KSK and ZSK size.
+init_migration_keys() {
+	key_clear        "KEY1"
+	key_set          "KEY1" "LEGACY" "yes"
+	set_keyrole      "KEY1" "ksk"
+	set_keylifetime  "KEY1" "none"
+	set_keyalgorithm "KEY1" "$1" "$2" "$3"
+	set_keysigning   "KEY1" "yes"
+	set_zonesigning  "KEY1" "no"
+
+	key_clear        "KEY2"
+	key_set          "KEY2" "LEGACY" "yes"
+	set_keyrole      "KEY2" "zsk"
+	set_keylifetime  "KEY2" "none"
+	set_keyalgorithm "KEY2" "$1" "$2" "$4"
+	set_keysigning   "KEY2" "no"
+	set_zonesigning  "KEY2" "yes"
+
+	key_clear        "KEY3"
+	key_clear        "KEY4"
+}
+
+# Set expected key states for migration tests.
+# $1: Goal
+# $2: States
+init_migration_states() {
+	set_keystate "KEY1" "GOAL"         "$1"
+	set_keystate "KEY1" "STATE_DNSKEY" "$2"
+	set_keystate "KEY1" "STATE_KRRSIG" "$2"
+	set_keystate "KEY1" "STATE_DS"     "$2"
+
+	set_keystate "KEY2" "GOAL"         "$1"
+	set_keystate "KEY2" "STATE_DNSKEY" "$2"
+	set_keystate "KEY2" "STATE_ZRRSIG" "$2"
+}
+
+#
+# Testing a good migration.
+#
+set_zone "migrate.kasp"
+set_policy "none" "2" "7200"
+set_server "ns3" "10.53.0.3"
+
+init_migration_keys "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+init_migration_states "omnipresent" "rumoured"
+
+# Make sure the zone is signed with legacy keys.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# These keys are immediately published and activated.
+rollover_predecessor_keytimes 0
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+# Remember legacy key tags.
+_migrate_ksk=$(key_get KEY1 ID)
+_migrate_zsk=$(key_get KEY2 ID)
+
+#
+# Testing a good migration (CSK).
+#
+set_zone "csk.kasp"
+set_policy "none" "1" "7200"
+set_server "ns3" "10.53.0.3"
+
+key_clear        "KEY1"
+key_set          "KEY1" "LEGACY" "yes"
+set_keyrole      "KEY1" "ksk"
+# This key also acts as a ZSK.
+key_set          "KEY1" "ZSK" "yes"
+set_keylifetime  "KEY1" "none"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "rumoured"
+
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# Make sure the zone is signed with legacy key.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# The key is immediately published and activated.
+_created=$(key_get KEY1 CREATED)
+set_keytime "KEY1" "PUBLISHED"   "${_created}"
+set_keytime "KEY1" "SYNCPUBLISH" "${_created}"
+set_keytime "KEY1" "ACTIVE"      "${_created}"
+
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+# Remember legacy key tags.
+_migrate_csk=$(key_get KEY1 ID)
+
+#
+# Testing a good migration (CSK, no SEP).
+#
+set_zone "csk-nosep.kasp"
+set_policy "none" "1" "7200"
+set_server "ns3" "10.53.0.3"
+
+key_clear        "KEY1"
+key_set          "KEY1" "LEGACY" "yes"
+set_keyrole      "KEY1" "zsk"
+# Despite the missing SEP bit, this key also acts as a KSK.
+key_set          "KEY1" "KSK" "yes"
+set_keylifetime  "KEY1" "none"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "rumoured"
+
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# Make sure the zone is signed with legacy key.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+# The key is immediately published and activated.
+_created=$(key_get KEY1 CREATED)
+set_keytime "KEY1" "PUBLISHED"   "${_created}"
+set_keytime "KEY1" "SYNCPUBLISH" "${_created}"
+set_keytime "KEY1" "ACTIVE"      "${_created}"
+
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+# Remember legacy key tags.
+_migrate_csk_nosep=$(key_get KEY1 ID)
+
+#
+# Testing key states derived from key timing metadata (rumoured).
+#
+set_zone "rumoured.kasp"
+set_policy "none" "2" "300"
+set_server "ns3" "10.53.0.3"
+
+init_migration_keys "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+init_migration_states "omnipresent" "rumoured"
+
+# Make sure the zone is signed with legacy keys.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+# Remember legacy key tags.
+_rumoured_ksk=$(key_get KEY1 ID)
+_rumoured_zsk=$(key_get KEY2 ID)
+
+#
+# Testing key states derived from key timing metadata (omnipresent).
+#
+set_zone "omnipresent.kasp"
+set_policy "none" "2" "300"
+set_server "ns3" "10.53.0.3"
+
+init_migration_keys "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+init_migration_states "omnipresent" "omnipresent"
+
+# Make sure the zone is signed with legacy keys.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+check_apex
+check_subdomain
+dnssec_verify
+# Remember legacy key tags.
+_omnipresent_ksk=$(key_get KEY1 ID)
+_omnipresent_zsk=$(key_get KEY2 ID)
+
+#
+# Testing migration with unmatched existing keys (different algorithm).
+#
+set_zone "migrate-nomatch-algnum.kasp"
+set_policy "none" "2" "300"
+set_server "ns3" "10.53.0.3"
+
+init_migration_keys "8" "RSASHA256" "2048" "2048"
+init_migration_states "omnipresent" "omnipresent"
+
+# Make sure the zone is signed with legacy keys.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# The KSK is immediately published and activated.
+# -P     : now-3900s
+# -P sync: now-3h
+# -A     : now-3900s
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY1" "ACTIVE"      "${created}" -3900
+set_addkeytime "KEY1" "SYNCPUBLISH" "${created}" -10800
+# The ZSK is immediately published and activated.
+# -P: now-3900s
+# -A: now-12h
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY2" "ACTIVE"      "${created}" -43200
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Remember legacy key tags.
+_migratenomatch_algnum_ksk=$(key_get KEY1 ID)
+_migratenomatch_algnum_zsk=$(key_get KEY2 ID)
+
+#
+# Testing migration with unmatched existing keys (different length).
+#
+set_zone "migrate-nomatch-alglen.kasp"
+set_policy "none" "2" "300"
+set_server "ns3" "10.53.0.3"
+
+init_migration_keys "8" "RSASHA256" "2048" "2048"
+init_migration_states "omnipresent" "omnipresent"
+
+# Make sure the zone is signed with legacy keys.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The KSK is immediately published and activated.
+#   P     : now-3900s
+#   P sync: now-3h
+#   A     : now-3900s
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY1" "ACTIVE"      "${created}" -3900
+set_addkeytime "KEY1" "SYNCPUBLISH" "${created}" -10800
+# - The ZSK is immediately published and activated.
+#   P: now-3900s
+#   A: now-12h
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY2" "ACTIVE"      "${created}" -43200
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Remember legacy key tags.
+_migratenomatch_alglen_ksk=$(key_get KEY1 ID)
+_migratenomatch_alglen_zsk=$(key_get KEY2 ID)
+
+#
+# Testing migration with unmatched existing keys (different roles KSK/ZSK -> CSK).
+#
+set_zone "migrate-nomatch-kzc.kasp"
+set_policy "none" "2" "300"
+set_server "ns3" "10.53.0.3"
+
+init_migration_keys "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+init_migration_states "omnipresent" "omnipresent"
+
+# Make sure the zone is signed with legacy keys.
+check_keys
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - The KSK is immediately published and activated.
+#   P     : now-3900s
+#   P sync: now-3h
+#   A     : now-3900s
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY1" "ACTIVE"      "${created}" -3900
+set_addkeytime "KEY1" "SYNCPUBLISH" "${created}" -10800
+# - The ZSK is immediately published and activated.
+#   P: now-3900s
+#   A: now-12h
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY2" "ACTIVE"      "${created}" -43200
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Remember legacy key tags.
+_migratenomatch_kzc_ksk=$(key_get KEY1 ID)
+_migratenomatch_kzc_zsk=$(key_get KEY2 ID)
+
+#############
+# Reconfig. #
+#############
+echo_i "reconfig (migration to dnssec-policy)"
+copy_setports ns3/named2.conf.in ns3/named.conf
+rndc_reconfig ns3 10.53.0.3
+
+# Calculate time passed to correctly check for next key events.
+now="$(TZ=UTC date +%s)"
+time_passed=$((now-start_time))
+echo_i "${time_passed} seconds passed between start of tests and reconfig"
+
+# Wait until we have seen "zone_rekey done:" message for this key.
+_wait_for_done_signing() {
+	_zone=$1
+
+	_ksk=$(key_get $2 KSK)
+	_zsk=$(key_get $2 ZSK)
+	if [ "$_ksk" = "yes" ]; then
+		_role="KSK"
+		_expect_type=EXPECT_KRRSIG
+	elif [ "$_zsk" = "yes" ]; then
+		_role="ZSK"
+		_expect_type=EXPECT_ZRRSIG
+	fi
+
+	if [ "$(key_get ${2} $_expect_type)" = "yes" ] && [ "$(key_get $2 $_role)" = "yes" ]; then
+		_keyid=$(key_get $2 ID)
+		_keyalg=$(key_get $2 ALG_STR)
+		echo_i "wait for zone ${_zone} is done signing with $2 ${_zone}/${_keyalg}/${_keyid}"
+		grep "zone_rekey done: key ${_keyid}/${_keyalg}" "${DIR}/named.run" > /dev/null || return 1
+	fi
+
+	return 0
+}
+wait_for_done_signing() {
+	n=$((n+1))
+	echo_i "wait for zone ${ZONE} is done signing ($n)"
+	ret=0
+
+	retry_quiet 30 _wait_for_done_signing ${ZONE} KEY1 || ret=1
+	retry_quiet 30 _wait_for_done_signing ${ZONE} KEY2 || ret=1
+	retry_quiet 30 _wait_for_done_signing ${ZONE} KEY3 || ret=1
+	retry_quiet 30 _wait_for_done_signing ${ZONE} KEY4 || ret=1
+
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+
+################################################
+# Test state after switching to dnssec-policy. #
+################################################
+
+# Policy parameters.
+# ZSK now has lifetime of 60 days (5184000 seconds).
+# The key is removed after Iret = TTLsig + Dprp + Dsgn + retire-safety.
+Lzsk=5184000
+IretZSK=867900
+
+#
+# Testing good migration.
+#
+set_zone "migrate.kasp"
+set_policy "migrate" "2" "7200"
+set_server "ns3" "10.53.0.3"
+
+# Key properties, timings and metadata should be the same as legacy keys above.
+# However, because the zsk has a lifetime, kasp will set the retired time.
+init_migration_keys "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+init_migration_states "omnipresent" "rumoured"
+key_set "KEY1" "LEGACY" "no"
+key_set "KEY2" "LEGACY" "no"
+set_keylifetime "KEY1" "${Lksk}"
+set_keylifetime "KEY2" "${Lzsk}"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+rollover_predecessor_keytimes 0
+
+# - Key now has lifetime of 60 days (5184000 seconds).
+#   The key is removed after Iret = TTLsig + Dprp + Dsgn + retire-safety.
+#   TTLsig:        1d (86400 seconds)
+#   Dprp:          5m (300 seconds)
+#   Dsgn:          9d (777600 seconds)
+#   retire-safety: 1h (3600 seconds)
+#   IretZSK:       10d65m (867900 seconds)
+active=$(key_get KEY2 ACTIVE)
+set_addkeytime "KEY2" "RETIRED"     "${active}"  "${Lzsk}"
+retired=$(key_get KEY2 RETIRED)
+set_addkeytime "KEY2" "REMOVED"     "${retired}" "${IretZSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Check key tags, should be the same.
+n=$((n+1))
+echo_i "check that of zone ${ZONE} migration to dnssec-policy uses the same keys ($n)"
+ret=0
+[ $_migrate_ksk = $(key_get KEY1 ID) ] || log_error "mismatch ksk tag"
+[ $_migrate_zsk = $(key_get KEY2 ID) ] || log_error "mismatch zsk tag"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Testing a good migration (CSK).
+#
+set_zone "csk.kasp"
+set_policy "default" "1" "7200"
+set_server "ns3" "10.53.0.3"
+
+key_clear        "KEY1"
+key_set          "KEY1" "LEGACY" "no"
+set_keyrole      "KEY1" "csk"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "rumoured"
+
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# The key was immediately published and activated.
+_created=$(key_get KEY1 CREATED)
+set_keytime "KEY1" "PUBLISHED"   "${_created}"
+set_keytime "KEY1" "SYNCPUBLISH" "${_created}"
+set_keytime "KEY1" "ACTIVE"      "${_created}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Check key tags, should be the same.
+n=$((n+1))
+echo_i "check that of zone ${ZONE} migration to dnssec-policy uses the same key ($n)"
+ret=0
+[ $_migrate_csk = $(key_get KEY1 ID) ] || log_error "mismatch csk tag"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Testing a good migration (CSK, no SEP).
+#
+set_zone "csk-nosep.kasp"
+set_policy "default" "1" "7200"
+set_server "ns3" "10.53.0.3"
+
+key_clear        "KEY1"
+key_set          "KEY1" "LEGACY" "no"
+set_keyrole      "KEY1" "csk"
+key_set          "KEY1" "FLAGS" "256"
+set_keylifetime  "KEY1" "0"
+set_keyalgorithm "KEY1" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+set_keysigning   "KEY1" "yes"
+set_zonesigning  "KEY1" "yes"
+
+set_keystate "KEY1" "GOAL"         "omnipresent"
+set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_ZRRSIG" "rumoured"
+set_keystate "KEY1" "STATE_DS"     "rumoured"
+
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# The key was immediately published and activated.
+_created=$(key_get KEY1 CREATED)
+set_keytime "KEY1" "PUBLISHED"   "${_created}"
+set_keytime "KEY1" "SYNCPUBLISH" "${_created}"
+set_keytime "KEY1" "ACTIVE"      "${_created}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Check key tags, should be the same.
+n=$((n+1))
+echo_i "check that of zone ${ZONE} migration to dnssec-policy uses the same key ($n)"
+ret=0
+[ $_migrate_csk_nosep = $(key_get KEY1 ID) ] || log_error "mismatch csk tag"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Test migration to dnssec-policy, existing keys do not match key algorithm.
+#
+set_zone "migrate-nomatch-algnum.kasp"
+set_policy "migrate-nomatch-algnum" "4" "300"
+set_server "ns3" "10.53.0.3"
+# The legacy keys need to be retired, but otherwise stay present until the
+# new keys are omnipresent, and can be used to construct a chain of trust.
+init_migration_keys "8" "RSASHA256" "2048" "2048"
+init_migration_states "hidden" "omnipresent"
+key_set "KEY1" "LEGACY" "no"
+key_set "KEY2" "LEGACY" "no"
+
+set_keyrole      "KEY3" "ksk"
+set_keylifetime  "KEY3" "0"
+set_keyalgorithm "KEY3" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY3" "yes"
+set_zonesigning  "KEY3" "no"
+
+set_keyrole      "KEY4" "zsk"
+set_keylifetime  "KEY4" "5184000"
+set_keyalgorithm "KEY4" "13" "ECDSAP256SHA256" "256"
+set_keysigning   "KEY4" "no"
+set_zonesigning  "KEY4" "yes"
+
+set_keystate "KEY3" "GOAL"         "omnipresent"
+set_keystate "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY3" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY3" "STATE_DS"     "hidden"
+
+set_keystate "KEY4" "GOAL"         "omnipresent"
+set_keystate "KEY4" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY4" "STATE_ZRRSIG" "rumoured"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - KSK must be retired since it no longer matches the policy.
+#   P     : now-3900s
+#   P sync: now-3h
+#   A     : now-3900s
+# - The key is removed after the retire interval:
+#   IretKSK = TTLds + DprpP + retire_safety.
+#   TTLds:         2h (7200 seconds)
+#   Dprp:          1h (3600 seconds)
+#   retire-safety: 1h (3600 seconds)
+#   IretKSK:       4h (14400 seconds)
+IretKSK=14400
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY1" "ACTIVE"      "${created}" -3900
+set_addkeytime "KEY1" "SYNCPUBLISH" "${created}" -10800
+keyfile=$(key_get KEY1 BASEFILE)
+grep "; Inactive:" "${keyfile}.key" > retired.test${n}.ksk
+retired=$(awk '{print $3}' < retired.test${n}.ksk)
+set_keytime    "KEY1" "RETIRED" "${retired}"
+set_addkeytime "KEY1" "REMOVED" "${retired}" "${IretKSK}"
+# - ZSK must be retired since it no longer matches the policy.
+#   P: now-3900s
+#   A: now-12h
+# - The key is removed after the retire interval:
+#   IretZSK = TTLsig + Dprp + Dsgn + retire-safety.
+#   TTLsig:        11h (39600 seconds)
+#   Dprp:          1h (3600 seconds)
+#   Dsgn:          9d (777600 seconds)
+#   retire-safety: 1h (3600 seconds)
+#   IretZSK:       9d13h (824400 seconds)
+IretZSK=824400
+Lzsk=5184000
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY2" "ACTIVE"      "${created}" -43200
+keyfile=$(key_get KEY2 BASEFILE)
+grep "; Inactive:" "${keyfile}.key" > retired.test${n}.zsk
+retired=$(awk '{print $3}' < retired.test${n}.zsk)
+set_keytime    "KEY2" "RETIRED" "${retired}"
+set_addkeytime "KEY2" "REMOVED" "${retired}" "${IretZSK}"
+# - The new KSK is immediately published and activated.
+created=$(key_get KEY3 CREATED)
+set_keytime    "KEY3" "PUBLISHED"   "${created}"
+set_keytime    "KEY3" "ACTIVE"      "${created}"
+# - It takes TTLsig + Dprp + publish-safety hours to propagate the zone.
+#   TTLsig:         11h (39600 seconds)
+#   Dprp:           1h (3600 seconds)
+#   publish-safety: 1h (3600 seconds)
+#   Ipub:           13h (46800 seconds)
+Ipub=46800
+set_addkeytime "KEY3" "SYNCPUBLISH" "${created}" "${Ipub}"
+# - The ZSK is immediately published and activated.
+created=$(key_get KEY4 CREATED)
+set_keytime    "KEY4" "PUBLISHED"   "${created}"
+set_keytime    "KEY4" "ACTIVE"      "${created}"
+active=$(key_get KEY4 ACTIVE)
+set_addkeytime "KEY4" "RETIRED"     "${active}"  "${Lzsk}"
+retired=$(key_get KEY4 RETIRED)
+set_addkeytime "KEY4" "REMOVED"     "${retired}" "${IretZSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Check key tags, should be the same.
+n=$((n+1))
+echo_i "check that of zone ${ZONE} migration to dnssec-policy keeps existing keys ($n)"
+ret=0
+[ $_migratenomatch_algnum_ksk = $(key_get KEY1 ID) ] || log_error "mismatch ksk tag"
+[ $_migratenomatch_algnum_zsk = $(key_get KEY2 ID) ] || log_error "mismatch zsk tag"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Test migration to dnssec-policy, existing keys do not match key length.
+#
+set_zone "migrate-nomatch-alglen.kasp"
+set_policy "migrate-nomatch-alglen" "4" "300"
+set_server "ns3" "10.53.0.3"
+
+# The legacy keys need to be retired, but otherwise stay present until the
+# new keys are omnipresent, and can be used to construct a chain of trust.
+init_migration_keys "8" "RSASHA256" "2048" "2048"
+init_migration_states "hidden" "omnipresent"
+key_set "KEY1" "LEGACY" "no"
+key_set "KEY2" "LEGACY" "no"
+
+set_keyrole      "KEY3" "ksk"
+set_keylifetime  "KEY3" "0"
+set_keyalgorithm "KEY3" "8" "RSASHA256" "3072"
+set_keysigning   "KEY3" "yes"
+set_zonesigning  "KEY3" "no"
+
+set_keyrole      "KEY4" "zsk"
+set_keylifetime  "KEY4" "5184000"
+set_keyalgorithm "KEY4" "8" "RSASHA256" "3072"
+set_keysigning   "KEY4" "no"
+# This key is considered to be prepublished, so it is not yet signing.
+set_zonesigning  "KEY4" "no"
+
+set_keystate "KEY3" "GOAL"         "omnipresent"
+set_keystate "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY3" "STATE_KRRSIG" "rumoured"
+set_keystate "KEY3" "STATE_DS"     "hidden"
+
+set_keystate "KEY4" "GOAL"         "omnipresent"
+set_keystate "KEY4" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY4" "STATE_ZRRSIG" "hidden"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - KSK must be retired since it no longer matches the policy.
+#   P     : now-3900s
+#   P sync: now-3h
+#   A     : now-3900s
+# - The key is removed after the retire interval:
+#   IretKSK = TTLds + DprpP + retire_safety.
+#   TTLds:         2h (7200 seconds)
+#   Dprp:          1h (3600 seconds)
+#   retire-safety: 1h (3600 seconds)
+#   IretKSK:       4h (14400 seconds)
+IretKSK=14400
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY1" "ACTIVE"      "${created}" -3900
+set_addkeytime "KEY1" "SYNCPUBLISH" "${created}" -10800
+keyfile=$(key_get KEY1 BASEFILE)
+grep "; Inactive:" "${keyfile}.key" > retired.test${n}.ksk
+retired=$(awk '{print $3}' < retired.test${n}.ksk)
+set_keytime    "KEY1" "RETIRED" "${retired}"
+set_addkeytime "KEY1" "REMOVED" "${retired}" "${IretKSK}"
+# - ZSK must be retired since it no longer matches the policy.
+#   P: now-3900s
+#   A: now-12h
+# - The key is removed after the retire interval:
+#   IretZSK = TTLsig + Dprp + Dsgn + retire-safety.
+#   TTLsig:         11h (39600 seconds)
+#   Dprp:           1h (3600 seconds)
+#   Dsgn:           9d (777600 seconds)
+#   publish-safety: 1h (3600 seconds)
+#   IretZSK:        9d13h (824400 seconds)
+IretZSK=824400
+Lzsk=5184000
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY2" "ACTIVE"      "${created}" -43200
+keyfile=$(key_get KEY2 BASEFILE)
+grep "; Inactive:" "${keyfile}.key" > retired.test${n}.zsk
+retired=$(awk '{print $3}' < retired.test${n}.zsk)
+set_keytime    "KEY2" "RETIRED" "${retired}"
+set_addkeytime "KEY2" "REMOVED" "${retired}" "${IretZSK}"
+# - The new KSK is immediately published and activated.
+created=$(key_get KEY3 CREATED)
+set_keytime    "KEY3" "PUBLISHED"   "${created}"
+set_keytime    "KEY3" "ACTIVE"      "${created}"
+# - It takes TTLsig + Dprp + publish-safety hours to propagate the zone.
+#   TTLsig:         11h (39600 seconds)
+#   Dprp:           1h (3600 seconds)
+#   publish-safety: 1h (3600 seconds)
+#   Ipub:           13h (46800 seconds)
+Ipub=46800
+set_addkeytime "KEY3" "SYNCPUBLISH" "${created}" "${Ipub}"
+# - The ZSK is immediately published and activated.
+created=$(key_get KEY4 CREATED)
+set_keytime    "KEY4" "PUBLISHED"   "${created}"
+set_keytime    "KEY4" "ACTIVE"      "${created}"
+active=$(key_get KEY4 ACTIVE)
+set_addkeytime "KEY4" "RETIRED"     "${active}"  "${Lzsk}"
+retired=$(key_get KEY4 RETIRED)
+set_addkeytime "KEY4" "REMOVED"     "${retired}" "${IretZSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Check key tags, should be the same.
+n=$((n+1))
+echo_i "check that of zone ${ZONE} migration to dnssec-policy keeps existing keys ($n)"
+ret=0
+[ $_migratenomatch_alglen_ksk = $(key_get KEY1 ID) ] || log_error "mismatch ksk tag"
+[ $_migratenomatch_alglen_zsk = $(key_get KEY2 ID) ] || log_error "mismatch zsk tag"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Test migration to dnssec-policy, existing keys do not match role (KSK/ZSK -> CSK).
+#
+set_zone "migrate-nomatch-kzc.kasp"
+set_policy "migrate-nomatch-kzc" "3" "300"
+set_server "ns3" "10.53.0.3"
+
+# The legacy keys need to be retired, but otherwise stay present until the
+# new keys are omnipresent, and can be used to construct a chain of trust.
+init_migration_keys "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+init_migration_states "hidden" "omnipresent"
+key_set "KEY1" "LEGACY" "no"
+key_set "KEY2" "LEGACY" "no"
+
+set_keyrole      "KEY3" "csk"
+set_keylifetime  "KEY3" "0"
+set_keyalgorithm "KEY3" "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS"
+set_keysigning   "KEY3" "yes"
+set_zonesigning  "KEY3" "no"
+
+set_keystate "KEY3" "GOAL"         "omnipresent"
+set_keystate "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate "KEY3" "STATE_KRRSIG" "rumoured"
+# This key is considered to be prepublished, so it is not yet signing.
+set_keystate "KEY3" "STATE_ZRRSIG" "hidden"
+set_keystate "KEY3" "STATE_DS"     "hidden"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+# - KSK must be retired since it no longer matches the policy.
+#   P     : now-3900s
+#   P sync: now-3h
+#   A     : now-3900s
+# - The key is removed after the retire interval:
+#   IretKSK = TTLds + DprpP + retire_safety.
+#   TTLds:         2h (7200 seconds)
+#   Dprp:          1h (3600 seconds)
+#   retire-safety: 1h (3600 seconds)
+#   IretKSK:       4h (14400 seconds)
+IretKSK=14400
+created=$(key_get KEY1 CREATED)
+set_addkeytime "KEY1" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY1" "ACTIVE"      "${created}" -3900
+set_addkeytime "KEY1" "SYNCPUBLISH" "${created}" -10800
+keyfile=$(key_get KEY1 BASEFILE)
+grep "; Inactive:" "${keyfile}.key" > retired.test${n}.ksk
+retired=$(awk '{print $3}' < retired.test${n}.ksk)
+set_keytime    "KEY1" "RETIRED" "${retired}"
+set_addkeytime "KEY1" "REMOVED" "${retired}" "${IretKSK}"
+# - ZSK must be retired since it no longer matches the policy.
+#   P: now-3900s
+#   A: now-12h
+# - The key is removed after the retire interval:
+#   IretZSK = TTLsig + Dprp + Dsgn + retire-safety.
+#   TTLsig:         11h (39600 seconds)
+#   Dprp:           1h (3600 seconds)
+#   Dsgn:           9d (777600 seconds)
+#   publish-safety: 1h (3600 seconds)
+#   IretZSK:        9d13h (824400 seconds)
+IretZSK=824400
+Lzsk=5184000
+created=$(key_get KEY2 CREATED)
+set_addkeytime "KEY2" "PUBLISHED"   "${created}" -3900
+set_addkeytime "KEY2" "ACTIVE"      "${created}" -43200
+keyfile=$(key_get KEY2 BASEFILE)
+grep "; Inactive:" "${keyfile}.key" > retired.test${n}.zsk
+retired=$(awk '{print $3}' < retired.test${n}.zsk)
+set_keytime    "KEY2" "RETIRED" "${retired}"
+set_addkeytime "KEY2" "REMOVED" "${retired}" "${IretZSK}"
+# - The new KSK is immediately published and activated.
+created=$(key_get KEY3 CREATED)
+set_keytime    "KEY3" "PUBLISHED"   "${created}"
+set_keytime    "KEY3" "ACTIVE"      "${created}"
+# - It takes TTLsig + Dprp + publish-safety hours to propagate the zone.
+#   TTLsig:         11h (39600 seconds)
+#   Dprp:           1h (3600 seconds)
+#   publish-safety: 1h (3600 seconds)
+#   Ipub:           13h (46800 seconds)
+Ipub=46800
+set_addkeytime "KEY3" "SYNCPUBLISH" "${created}" "${Ipub}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Check key tags, should be the same.
+n=$((n+1))
+echo_i "check that of zone ${ZONE} migration to dnssec-policy keeps existing keys ($n)"
+ret=0
+[ $_migratenomatch_kzc_ksk = $(key_get KEY1 ID) ] || log_error "mismatch ksk tag"
+[ $_migratenomatch_kzc_zsk = $(key_get KEY2 ID) ] || log_error "mismatch zsk tag"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+########################################################
+# Testing key states derived from key timing metadata. #
+########################################################
+
+# Policy parameters.
+# KSK has lifetime of 60 days (5184000 seconds).
+# The KSK is removed after Iret = DprpP + TTLds + retire-safety =
+# 4h = 14400 seconds.
+Lksk=5184000
+IretKSK=14400
+# ZSK has lifetime of 60 days (5184000 seconds).
+# The ZSK is removed after Iret = TTLsig + Dprp + Dsgn + retire-safety =
+# 181h = 651600 seconds.
+Lzsk=5184000
+IretZSK=651600
+
+#
+# Testing rumoured state.
+#
+set_zone "rumoured.kasp"
+set_policy "timing-metadata" "2" "300"
+set_server "ns3" "10.53.0.3"
+
+# Key properties, timings and metadata should be the same as legacy keys above.
+init_migration_keys "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+init_migration_states "omnipresent" "rumoured"
+key_set "KEY1" "LEGACY" "no"
+key_set "KEY2" "LEGACY" "no"
+set_keylifetime "KEY1" "${Lksk}"
+set_keylifetime "KEY2" "${Lzsk}"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+#
+# Tds="now-2h"    (7200)
+# Tkey="now-300s" (300)
+# Tsig="now-11h"  (39600)
+created=$(key_get KEY1 CREATED)
+set_addkeytime      "KEY1" "PUBLISHED"   "${created}" -300
+set_addkeytime      "KEY1" "ACTIVE"      "${created}" -300
+set_addkeytime      "KEY1" "SYNCPUBLISH" "${created}"  -7200
+set_retired_removed "KEY1" "${Lksk}" "${IretKSK}"
+created=$(key_get KEY2 CREATED)
+set_addkeytime      "KEY2" "PUBLISHED"   "${created}"  -300
+set_addkeytime      "KEY2" "ACTIVE"      "${created}"  -39600
+set_retired_removed "KEY2" "${Lzsk}" "${IretZSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Check key tags, should be the same.
+n=$((n+1))
+echo_i "check that of zone ${ZONE} migration to dnssec-policy uses the same keys ($n)"
+ret=0
+[ $_rumoured_ksk = $(key_get KEY1 ID) ] || log_error "mismatch ksk tag"
+[ $_rumoured_zsk = $(key_get KEY2 ID) ] || log_error "mismatch zsk tag"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+#
+# Testing omnipresent state.
+#
+set_zone "omnipresent.kasp"
+set_policy "timing-metadata" "2" "300"
+set_server "ns3" "10.53.0.3"
+
+# Key properties, timings and metadata should be the same as legacy keys above.
+init_migration_keys "$DEFAULT_ALGORITHM_NUMBER" "$DEFAULT_ALGORITHM" "$DEFAULT_BITS" "$DEFAULT_BITS"
+init_migration_states "omnipresent" "omnipresent"
+key_set "KEY1" "LEGACY" "no"
+key_set "KEY2" "LEGACY" "no"
+set_keylifetime "KEY1" "${Lksk}"
+set_keylifetime "KEY2" "${Lzsk}"
+
+# Various signing policy checks.
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE"
+
+# Set expected key times:
+#
+# Tds="now-3h"     (10800)
+# Tkey="now-3900s" (3900)
+# Tsig="now-12h"   (43200)
+created=$(key_get KEY1 CREATED)
+set_addkeytime      "KEY1" "PUBLISHED"   "${created}" -3900
+set_addkeytime      "KEY1" "ACTIVE"      "${created}" -3900
+set_addkeytime      "KEY1" "SYNCPUBLISH" "${created}"  -10800
+set_retired_removed "KEY1" "${Lksk}" "${IretKSK}"
+created=$(key_get KEY2 CREATED)
+set_addkeytime      "KEY2" "PUBLISHED"   "${created}"  -3900
+set_addkeytime      "KEY2" "ACTIVE"      "${created}"  -43200
+set_retired_removed "KEY2" "${Lzsk}" "${IretZSK}"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+check_subdomain
+dnssec_verify
+
+# Check key tags, should be the same.
+n=$((n+1))
+echo_i "check that of zone ${ZONE} migration to dnssec-policy uses the same keys ($n)"
+ret=0
+[ $_omnipresent_ksk = $(key_get KEY1 ID) ] || log_error "mismatch ksk tag"
+[ $_omnipresent_zsk = $(key_get KEY2 ID) ] || log_error "mismatch zsk tag"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+
+######################################
+# Testing good migration with views. #
+######################################
+init_view_migration() {
+	key_clear        "KEY1"
+	key_set          "KEY1" "LEGACY" "yes"
+	set_keyrole      "KEY1" "ksk"
+	set_keylifetime  "KEY1" "0"
+	set_keysigning   "KEY1" "yes"
+	set_zonesigning  "KEY1" "no"
+
+	key_clear        "KEY2"
+	key_set          "KEY2" "LEGACY" "yes"
+	set_keyrole      "KEY2" "zsk"
+	set_keylifetime  "KEY2" "0"
+	set_keysigning   "KEY2" "no"
+	set_zonesigning  "KEY2" "yes"
+
+	key_clear        "KEY3"
+	key_clear        "KEY4"
+
+	set_keystate "KEY1" "GOAL"         "omnipresent"
+	set_keystate "KEY1" "STATE_DNSKEY" "rumoured"
+	set_keystate "KEY1" "STATE_KRRSIG" "rumoured"
+	set_keystate "KEY1" "STATE_DS"     "rumoured"
+
+	set_keystate "KEY2" "GOAL"         "omnipresent"
+	set_keystate "KEY2" "STATE_DNSKEY" "rumoured"
+	set_keystate "KEY2" "STATE_ZRRSIG" "rumoured"
+}
+
+set_keytimes_view_migration() {
+	# Key is six months in use.
+	created=$(key_get KEY1 CREATED)
+	set_addkeytime "KEY1" "PUBLISHED"   "${created}" -16070400
+	set_addkeytime "KEY1" "SYNCPUBLISH" "${created}" -16070400
+	set_addkeytime "KEY1" "ACTIVE"      "${created}" -16070400
+	created=$(key_get KEY2 CREATED)
+	set_addkeytime "KEY2" "PUBLISHED"   "${created}" -16070400
+	set_addkeytime "KEY2" "ACTIVE"      "${created}" -16070400
+}
+
+# Zone view.rsasha256.kasp (external)
+set_zone "view-rsasha256.kasp"
+set_policy "rsasha256" "2" "300"
+set_server "ns4" "10.53.0.4"
+init_view_migration
+set_keyalgorithm "KEY1" "8" "RSASHA256" "2048"
+set_keyalgorithm "KEY2" "8" "RSASHA256" "2048"
+TSIG="$DEFAULT_HMAC:external:$VIEW1"
+wait_for_nsec
+# Make sure the zone is signed with legacy keys.
+check_keys
+set_keytimes_view_migration
+check_keytimes
+dnssec_verify
+
+n=$((n+1))
+# check subdomain
+echo_i "check TXT $ZONE (view ext) rrset is signed correctly ($n)"
+ret=0
+dig_with_opts "view.${ZONE}" "@${SERVER}" TXT > "dig.out.$DIR.test$n.txt" || log_error "dig view.${ZONE} TXT failed"
+grep "status: NOERROR" "dig.out.$DIR.test$n.txt" > /dev/null || log_error "mismatch status in DNS response"
+grep "view.${ZONE}\..*${DEFAULT_TTL}.*IN.*TXT.*external" "dig.out.$DIR.test$n.txt" > /dev/null || log_error "missing view.${ZONE} TXT record in response"
+check_signatures TXT "dig.out.$DIR.test$n.txt" "ZSK"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Remember legacy key tags.
+_migrate_ext8_ksk=$(key_get KEY1 ID)
+_migrate_ext8_zsk=$(key_get KEY2 ID)
+
+# Zone view.rsasha256.kasp (internal)
+set_zone "view-rsasha256.kasp"
+set_policy "rsasha256" "2" "300"
+set_server "ns4" "10.53.0.4"
+init_view_migration
+set_keyalgorithm "KEY1" "8" "RSASHA256" "2048"
+set_keyalgorithm "KEY2" "8" "RSASHA256" "2048"
+TSIG="$DEFAULT_HMAC:internal:$VIEW2"
+wait_for_nsec
+# Make sure the zone is signed with legacy keys.
+check_keys
+set_keytimes_view_migration
+check_keytimes
+dnssec_verify
+
+n=$((n+1))
+# check subdomain
+echo_i "check TXT $ZONE (view int) rrset is signed correctly ($n)"
+ret=0
+dig_with_opts "view.${ZONE}" "@${SERVER}" TXT > "dig.out.$DIR.test$n.txt" || log_error "dig view.${ZONE} TXT failed"
+grep "status: NOERROR" "dig.out.$DIR.test$n.txt" > /dev/null || log_error "mismatch status in DNS response"
+grep "view.${ZONE}\..*${DEFAULT_TTL}.*IN.*TXT.*internal" "dig.out.$DIR.test$n.txt" > /dev/null || log_error "missing view.${ZONE} TXT record in response"
+check_signatures TXT "dig.out.$DIR.test$n.txt" "ZSK"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+# Remember legacy key tags.
+_migrate_int8_ksk=$(key_get KEY1 ID)
+_migrate_int8_zsk=$(key_get KEY2 ID)
+
+# Reconfig dnssec-policy.
+echo_i "reconfig to switch to dnssec-policy"
+copy_setports ns4/named2.conf.in ns4/named.conf
+rndc_reconfig ns4 10.53.0.4
+
+# Calculate time passed to correctly check for next key events.
+now="$(TZ=UTC date +%s)"
+time_passed=$((now-start_time))
+echo_i "${time_passed} seconds passed between start of tests and reconfig"
+
+#
+# Testing migration (RSASHA256, views).
+#
+set_zone "view-rsasha256.kasp"
+set_policy "rsasha256" "3" "300"
+set_server "ns4" "10.53.0.4"
+init_migration_keys "8" "RSASHA256" "2048" "2048"
+init_migration_states "omnipresent" "rumoured"
+# Key properties, timings and metadata should be the same as legacy keys above.
+# However, because the keys have a lifetime, kasp will set the retired time.
+key_set          "KEY1" "LEGACY" "no"
+set_keylifetime  "KEY1" "31536000"
+set_keystate     "KEY1" "STATE_DNSKEY" "omnipresent"
+set_keystate     "KEY1" "STATE_KRRSIG" "omnipresent"
+set_keystate     "KEY1" "STATE_DS"     "omnipresent"
+
+key_set          "KEY2" "LEGACY" "no"
+set_keylifetime  "KEY2" "8035200"
+set_keystate     "KEY2" "STATE_DNSKEY" "omnipresent"
+set_keystate     "KEY2" "STATE_ZRRSIG" "omnipresent"
+# The ZSK needs to be replaced.
+set_keystate     "KEY2" "GOAL" "hidden"
+set_keystate     "KEY3" "GOAL" "omnipresent"
+set_keyrole      "KEY3" "zsk"
+set_keylifetime  "KEY3" "8035200"
+set_keyalgorithm "KEY3" "8" "RSASHA256" "2048"
+set_keysigning   "KEY3" "no"
+set_zonesigning  "KEY3" "no" # not yet
+set_keystate     "KEY3" "STATE_DNSKEY" "rumoured"
+set_keystate     "KEY3" "STATE_ZRRSIG" "hidden"
+
+# Various signing policy checks (external).
+TSIG="$DEFAULT_HMAC:external:$VIEW1"
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE" "ext"
+set_keytimes_view_migration
+
+# Set expected key times:
+published=$(key_get KEY1 PUBLISHED)
+set_keytime "KEY1" "ACTIVE"      "${published}"
+set_keytime "KEY1" "SYNCPUBLISH" "${published}"
+# Lifetime: 1 year (8035200 seconds)
+active=$(key_get KEY1 ACTIVE)
+set_addkeytime "KEY1" "RETIRED" "${active}"  "31536000"
+# Retire interval:
+# DS TTL:                  1d
+# Parent zone propagation: 3h
+# Retire safety:           1h
+# Total:                   100800 seconds
+retired=$(key_get KEY1 RETIRED)
+set_addkeytime "KEY1" "REMOVED" "${retired}" "100800"
+
+published=$(key_get KEY2 PUBLISHED)
+set_keytime "KEY2" "ACTIVE" "${published}"
+# Lifetime: 3 months (8035200 seconds)
+active=$(key_get KEY2 ACTIVE)
+set_addkeytime "KEY2" "RETIRED" "${active}" "8035200"
+# Retire interval:
+# Sign delay:             9d (14-5)
+# Max zone TTL:           1d
+# Retire safety:          1h
+# Zone propagation delay: 300s
+# Total:                  867900 seconds
+retired=$(key_get KEY2 RETIRED)
+set_addkeytime "KEY2" "REMOVED" "${retired}" "867900"
+
+created=$(key_get KEY3 CREATED)
+set_keytime    "KEY3" "PUBLISHED" "${created}"
+# Publication interval:
+# DNSKEY TTL:             300s
+# Publish safety:         1h
+# Zone propagation delay: 300s
+# Total:                  4200 seconds
+set_addkeytime "KEY3" "ACTIVE" "${created}" "4200"
+# Lifetime: 3 months (8035200 seconds)
+active=$(key_get KEY3 ACTIVE)
+set_addkeytime "KEY3" "RETIRED" "${active}" "8035200"
+# Retire interval:
+# Sign delay:             9d (14-5)
+# Max zone TTL:           1d
+# Retire safety:          1h
+# Zone propagation delay: 300s
+# Total:                  867900 seconds
+retired=$(key_get KEY3 RETIRED)
+set_addkeytime "KEY3" "REMOVED" "${retired}" "867900"
+
+# Continue signing policy checks.
+check_keytimes
+check_apex
+dnssec_verify
+
+# Various signing policy checks (internal).
+TSIG="$DEFAULT_HMAC:internal:$VIEW2"
+check_keys
+wait_for_done_signing
+check_dnssecstatus "$SERVER" "$POLICY" "$ZONE" "int"
+set_keytimes_view_migration
+check_keytimes
+check_apex
+dnssec_verify
+
+# Check key tags, should be the same.
+n=$((n+1))
+echo_i "check that of zone ${ZONE} migration to dnssec-policy uses the same keys ($n)"
+ret=0
+[ $_migrate_ext8_ksk = $_migrate_int8_ksk ] || log_error "mismatch ksk tag"
+[ $_migrate_ext8_zsk = $_migrate_int8_zsk ] || log_error "mismatch zsk tag"
+[ $_migrate_ext8_ksk = $(key_get KEY1 ID) ] || log_error "mismatch ksk tag"
+[ $_migrate_ext8_zsk = $(key_get KEY2 ID) ] || log_error "mismatch zsk tag"
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/keymgr2kasp/tests_sh_keymgr2kasp.py b/bin/tests/system/keymgr2kasp/tests_sh_keymgr2kasp.py
new file mode 100644
index 0000000..ba9b667
--- /dev/null
+++ b/bin/tests/system/keymgr2kasp/tests_sh_keymgr2kasp.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_keymgr2kasp(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/legacy.run.sh.in b/bin/tests/system/legacy.run.sh.in
new file mode 100644
index 0000000..b523637
--- /dev/null
+++ b/bin/tests/system/legacy.run.sh.in
@@ -0,0 +1,311 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Run a system test.
+#
+
+top_builddir=@top_builddir@
+builddir=@abs_builddir@
+srcdir=@abs_srcdir@
+
+# shellcheck source=conf.sh
+. ${builddir}/conf.sh
+
+if [ "$CI_SERVER" != "yes" ] && [ "$(id -u)" -eq "0" ] && [ "@DEVELOPER_MODE@" != "yes" ]; then
+    echofail "Refusing to run test as root. Build with --enable-developer to override." >&2
+    exit 1
+fi
+
+export builddir
+export srcdir
+
+date_with_args() (
+    date "+%Y-%m-%dT%T%z"
+)
+
+stopservers=true
+# baseport == 0 means random
+baseport=0
+
+if [ "${SYSTEMTEST_NO_CLEAN:-0}" -eq 1 ]; then
+    clean=false
+else
+    clean=true
+fi
+
+do_run=false
+restart=false
+log_flags="-r"
+while getopts "sknp:r-:t" OPT; do
+    log_flags="$log_flags -$OPT$OPTARG"
+    if [ "$OPT" = "-" ] && [ -n "$OPTARG" ]; then
+        OPT="${OPTARG%%=*}"
+        OPTARG="${OPTARG#$OPT}"
+        OPTARG="${OPTARG#=}"
+    fi
+
+    # shellcheck disable=SC2214
+    case "$OPT" in
+        k | keep) stopservers=false ;;
+        n | noclean) clean=false ;;
+        p | port) baseport=$OPTARG ;;
+        r | run) do_run=true ;;
+        s | skip) exit 77 ;;
+        t | restart) restart=true ;;
+        -) break ;;
+        *) echo "invalid option" >&2; exit 1 ;;
+    esac
+done
+
+shift $((OPTIND-1))
+
+if ! $do_run; then
+    if [ "$baseport" -eq 0 ]; then
+        log_flags="$log_flags -p 5300"
+    fi
+    env - \
+	CYGWIN="$CYGWIN" \
+        SYSTEMTEST_FORCE_COLOR="$SYSTEMTEST_FORCE_COLOR" \
+        SYSTEMTEST_NO_CLEAN="$SYSTEMTEST_NO_CLEAN" \
+        SLOT="$SLOT" \
+        OPENSSL_CONF="$OPENSSL_CONF" \
+        SOFTHSM2_CONF="$SOFTHSM2_CONF" \
+        SOFTHSM2_MODULE="$SOFTHSM2_MODULE" \
+        PATH="$PATH" \
+        ${LD_LIBRARY_PATH:+"LD_LIBRARY_PATH=${LD_LIBRARY_PATH}"} \
+        TESTS="$*" \
+        TEST_SUITE_LOG=run.log \
+        LOG_DRIVER_FLAGS="--verbose yes --color-tests yes" \
+        LOG_FLAGS="$log_flags" \
+        TEST_LARGE_MAP="${TEST_LARGE_MAP}" \
+        CI_ENABLE_ALL_TESTS="${CI_ENABLE_ALL_TESTS}" \
+	${VIRTUAL_ENV:+"VIRTUAL_ENV=${VIRTUAL_ENV}"} \
+	${PERL5LIB:+"PERL5LIB=${PERL5LIB}"} \
+        make -e check
+    exit $?
+fi
+
+if [ $# -eq 0 ]; then
+    echofail "Usage: $0 [-k] [-n] [-p <PORT>] test-directory [test-options]" >&2;
+    exit 1
+fi
+
+systest=$(basename "${1%%/}")
+shift
+
+if [ ! -d "${srcdir}/$systest" ]; then
+    echofail "$0: $systest: no such test" >&2
+    exit 1
+fi
+
+if [ "${srcdir}" != "${builddir}" ]; then
+    if [ ! -d common ] || [ ! -r common/.prepared ]; then
+        cp -a "${srcdir}/common" "${builddir}"
+    fi
+    # Some tests require additional files to work for out-of-tree test runs.
+    for file in ckdnsrps.sh conftest.py digcomp.pl ditch.pl fromhex.pl get_core_dumps.sh kasp.sh packet.pl pytest_custom_markers.py start.pl stop.pl testcrypto.sh; do
+        if [ ! -r "${file}" ]; then
+            cp -a "${srcdir}/${file}" "${builddir}"
+        fi
+    done
+    if [ ! -d "$systest" ] || [ ! -r "$systest/.prepared" ]; then
+        mkdir -p "${builddir}/$systest"
+        cp -a "${srcdir}/$systest" "${builddir}/"
+        touch "$systest/.prepared"
+    fi
+fi
+
+if [ ! -d "${systest}" ]; then
+    echofail "$0: $systest: no such test" >&2
+    exit 1
+fi
+
+
+# Determine which ports to use for this system test.
+eval "$(cd "${srcdir}" && ./get_ports.sh -p "$baseport" -t "$systest")"
+
+# Start all servers used by the system test.  Ensure all log files written
+# during a system test (tests.sh + potentially multiple *.py scripts) are
+# retained for each run by calling start.pl with the --restart command-line
+# option for all invocations except the first one.
+start_servers() {
+    echoinfo "I:$systest:starting servers"
+    if $restart || [ "$run" -gt 0 ]; then
+        restart_opt="--restart"
+    fi
+    if ! $PERL start.pl ${restart_opt} --port "$PORT" "$systest"; then
+        echoinfo "I:$systest:starting servers failed"
+        return 1
+    fi
+}
+
+stop_servers() {
+    if $stopservers; then
+        echoinfo "I:$systest:stopping servers"
+        if ! $PERL stop.pl "$systest"; then
+            echoinfo "I:$systest:stopping servers failed"
+            return 1
+        fi
+    fi
+}
+
+echostart "S:$systest:$(date_with_args)"
+echoinfo  "T:$systest:1:A"
+echoinfo  "A:$systest:System test $systest"
+echoinfo  "I:$systest:PORTS:${PORT},${TLSPORT},${HTTPPORT},${HTTPSPORT},${EXTRAPORT1},${EXTRAPORT2},${EXTRAPORT3},${EXTRAPORT4},${EXTRAPORT5},${EXTRAPORT6},${EXTRAPORT7},${EXTRAPORT8},${CONTROLPORT}"
+
+$PERL ${srcdir}/testsock.pl -p "$PORT"  || {
+    echowarn "I:$systest:Network interface aliases not set up.  Skipping test."
+    echowarn "R:$systest:FAIL"
+    echoend  "E:$systest:$(date_with_args)"
+    exit 1;
+}
+
+# Check for test-specific prerequisites.
+test ! -f "$systest/prereq.sh" || ( cd "${systest}" && $SHELL prereq.sh "$@" )
+result=$?
+
+if [ $result -eq 0 ]; then
+    : prereqs ok
+else
+    echowarn "I:$systest:Prerequisites missing, skipping test."
+    echowarn "R:$systest:SKIPPED";
+    echoend "E:$systest:$(date_with_args)"
+    exit 77
+fi
+
+# Clean up files left from any potential previous runs except when
+# started with the --restart option.
+if ! $restart; then
+    if test -f "$systest/clean.sh"; then
+        if ! ( cd "${systest}" && $SHELL clean.sh "$@" ); then
+            echowarn "I:$systest:clean.sh script failed"
+            echofail "R:$systest:FAIL"
+            echoend  "E:$systest:$(date_with_args)"
+            exit 1
+        fi
+    fi
+fi
+
+# Set up any dynamically generated test data
+if test -f "$systest/setup.sh"
+then
+    if ! ( cd "${systest}" && $SHELL setup.sh "$@" ); then
+        echowarn "I:$systest:setup.sh script failed"
+        echofail "R:$systest:FAIL"
+        echoend  "E:$systest:$(date_with_args)"
+        exit 1
+    fi
+fi
+
+status=0
+run=0
+# Run the tests
+if [ -r "$systest/tests.sh" ]; then
+    if start_servers; then
+        ( cd "$systest" && $SHELL tests.sh "$@" )
+        status=$?
+        run=$((run+1))
+        stop_servers || status=1
+    else
+        status=1
+    fi
+fi
+
+if [ $status -eq 0 ]; then
+    if [ -n "$PYTEST" ]; then
+        for test in $(cd "${systest}" && find . -name "tests*.py" ! -name "tests_sh_*.py"); do
+            rm -f "$systest/$test.status"
+            if start_servers; then
+                run=$((run+1))
+                test_status=0
+                (cd "$systest" && LEGACY_TEST_RUNNER=1 "$PYTEST" -rsxX -v "$test" "$@" || echo "$?" > "$test.status") | SYSTESTDIR="$systest" cat_d
+                if [ -f "$systest/$test.status" ]; then
+                    if [ "$(cat "$systest/$test.status")" = "5" ]; then
+                        echowarn "R:$systest:SKIPPED"
+                    else
+                        echo_i "FAILED"
+                        test_status=$(cat "$systest/$test.status")
+                    fi
+                fi
+                status=$((status+test_status))
+                stop_servers || status=1
+            else
+                status=1
+            fi
+            if [ $status -ne 0 ]; then
+                break
+            fi
+        done
+        rm -f "$systest/$test.status"
+    else
+        echoinfo "I:$systest:pytest not installed, skipping python tests"
+    fi
+fi
+
+if [ "$run" -eq "0" ]; then
+    echoinfo "I:$systest:No tests were found and run"
+    status=255
+fi
+
+if $stopservers
+then
+    :
+else
+    exit $status
+fi
+
+$SHELL get_core_dumps.sh "$systest" || status=1
+
+print_outstanding_files() {
+    if test -d ${srcdir}/../../../.git; then
+        git status -su --ignored "${systest}/" 2>/dev/null | \
+        sed -n -e 's|^?? \(.*\)|I:'"${systest}"':file \1 not removed|p' \
+            -e 's|^!! \(.*/named.run\)$|I:'"${systest}"':file \1 not removed|p' \
+            -e 's|^!! \(.*/named.memstats\)$|I:'"${systest}"':file \1 not removed|p'
+    fi
+}
+
+print_outstanding_files_oot() {
+    if test -d ${srcdir}/../../../.git; then
+        git -C "${srcdir}/${systest}" ls-files | sed "s|^|${systest}/|" > gitfiles.txt
+        find "${systest}/" -type f ! -name .prepared ! -name Makefile > testfiles.txt
+        grep -F -x -v -f gitfiles.txt testfiles.txt
+        rm -f gitfiles.txt testfiles.txt
+    fi
+}
+
+if [ $status -ne 0 ]; then
+    echofail "R:$systest:FAIL"
+else
+    echopass "R:$systest:PASS"
+    if $clean && ! $restart; then
+        ( cd "${systest}" && $SHELL clean.sh "$@" )
+        if [ "${srcdir}" = "${builddir}" ]; then
+            print_outstanding_files
+        else
+            print_outstanding_files_oot | xargs rm -f
+            find "${systest}/" \( -type d -empty \) -delete 2>/dev/null
+        fi
+    fi
+fi
+
+NAMED_RUN_LINES_THRESHOLD=200000
+find "${systest}" -type f -name "named.run" -exec wc -l {} \; | awk "\$1 > ${NAMED_RUN_LINES_THRESHOLD} { print \$2 }" | sort | while read -r LOG_FILE; do
+    echowarn "I:${systest}:${LOG_FILE} contains more than ${NAMED_RUN_LINES_THRESHOLD} lines, consider tweaking the test to limit disk I/O"
+done
+
+echoend "E:$systest:$(date_with_args)"
+
+exit $status
diff --git a/bin/tests/system/legacy/build.sh b/bin/tests/system/legacy/build.sh
new file mode 100644
index 0000000..fcde4e1
--- /dev/null
+++ b/bin/tests/system/legacy/build.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+(cd ns6 && $SHELL -e sign.sh)
+(cd ns7 && $SHELL -e sign.sh)
+
+$SHELL clean.sh
diff --git a/bin/tests/system/legacy/clean.sh b/bin/tests/system/legacy/clean.sh
new file mode 100644
index 0000000..4c65a2d
--- /dev/null
+++ b/bin/tests/system/legacy/clean.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out.*
+rm -f ns*/named.conf
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/named.lock
+
+# build.sh
+rm -f ns1/named_dump.db*
+rm -f ns6/K*
+rm -f ns6/dsset-*
+rm -f ns6/edns512.db
+rm -f ns6/signer.err
+rm -f ns7/K*
+rm -f ns7/dsset-*
+rm -f ns7/edns512-notcp.db
+rm -f ns7/signer.err
+rm -f ns7/trusted.conf
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/legacy/ns1/named1.conf.in b/bin/tests/system/legacy/ns1/named1.conf.in
new file mode 100644
index 0000000..5c4b1c4
--- /dev/null
+++ b/bin/tests/system/legacy/ns1/named1.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/legacy/ns1/named2.conf.in b/bin/tests/system/legacy/ns1/named2.conf.in
new file mode 100644
index 0000000..239e58f
--- /dev/null
+++ b/bin/tests/system/legacy/ns1/named2.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/legacy/ns1/root.db b/bin/tests/system/legacy/ns1/root.db
new file mode 100644
index 0000000..175847a
--- /dev/null
+++ b/bin/tests/system/legacy/ns1/root.db
@@ -0,0 +1,33 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+.			SOA	ns1.	marka.isc.org 1 0 0 0 0
+.			NS	ns1.
+ns1.			A	10.53.0.1
+dropedns.		NS	ns.dropedns.
+ns.dropedns.		A	10.53.0.2
+dropedns-notcp.		NS	ns.dropedns-notcp.
+ns.dropedns-notcp.	A	10.53.0.3
+plain.			NS	ns.plain.
+ns.plain.		A	10.53.0.4
+plain-notcp.		NS	ns.plain-notcp.
+ns.plain-notcp.		A	10.53.0.5
+edns512.		NS	ns.edns512.
+ns.edns512.		A	10.53.0.6
+edns512-notcp.		NS	ns.edns512-notcp.
+ns.edns512-notcp.	A	10.53.0.7
+ednsformerr.		NS	ns.ednsformerr.
+ns.ednsformerr.		A	10.53.0.8
+ednsnotimp.		NS	ns.ednsnotimp.
+ns.ednsnotimp.		A	10.53.0.9
+ednsrefused.		NS	ns.ednsrefused.
+ns.ednsrefused.		A	10.53.0.10
diff --git a/bin/tests/system/legacy/ns1/trusted.conf b/bin/tests/system/legacy/ns1/trusted.conf
new file mode 100644
index 0000000..a54b6aa
--- /dev/null
+++ b/bin/tests/system/legacy/ns1/trusted.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+trust-anchors {
+	"edns512-notcp." static-ds 8161 10 2 "19147C5BF59BED075AC26CE73DDA875438FB5AC61BCF31F081AD5BDA1AA7C236";
+};
diff --git a/bin/tests/system/legacy/ns10/ednsrefused.db b/bin/tests/system/legacy/ns10/ednsrefused.db
new file mode 100644
index 0000000..9aa3a4a
--- /dev/null
+++ b/bin/tests/system/legacy/ns10/ednsrefused.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.8
diff --git a/bin/tests/system/legacy/ns10/named.conf.in b/bin/tests/system/legacy/ns10/named.conf.in
new file mode 100644
index 0000000..628c51a
--- /dev/null
+++ b/bin/tests/system/legacy/ns10/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.10;
+	notify-source 10.53.0.10;
+	transfer-source 10.53.0.10;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.10; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "ednsrefused" {
+	type primary;
+	file "ednsrefused.db";
+};
diff --git a/bin/tests/system/legacy/ns10/named.ednsrefused b/bin/tests/system/legacy/ns10/named.ednsrefused
new file mode 100644
index 0000000..6b43ac0
--- /dev/null
+++ b/bin/tests/system/legacy/ns10/named.ednsrefused
@@ -0,0 +1 @@
+ednsrefused
diff --git a/bin/tests/system/legacy/ns2/dropedns.db b/bin/tests/system/legacy/ns2/dropedns.db
new file mode 100644
index 0000000..06c023c
--- /dev/null
+++ b/bin/tests/system/legacy/ns2/dropedns.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.2
diff --git a/bin/tests/system/legacy/ns2/named.conf.in b/bin/tests/system/legacy/ns2/named.conf.in
new file mode 100644
index 0000000..e570ffe
--- /dev/null
+++ b/bin/tests/system/legacy/ns2/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "dropedns" {
+	type primary;
+	file "dropedns.db";
+};
diff --git a/bin/tests/system/legacy/ns2/named.dropedns b/bin/tests/system/legacy/ns2/named.dropedns
new file mode 100644
index 0000000..37dd9cf
--- /dev/null
+++ b/bin/tests/system/legacy/ns2/named.dropedns
@@ -0,0 +1 @@
+dropedns
diff --git a/bin/tests/system/legacy/ns3/dropedns-notcp.db b/bin/tests/system/legacy/ns3/dropedns-notcp.db
new file mode 100644
index 0000000..0ac44bc
--- /dev/null
+++ b/bin/tests/system/legacy/ns3/dropedns-notcp.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.3
diff --git a/bin/tests/system/legacy/ns3/named.conf.in b/bin/tests/system/legacy/ns3/named.conf.in
new file mode 100644
index 0000000..3d89554
--- /dev/null
+++ b/bin/tests/system/legacy/ns3/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "dropedns-notcp" {
+	type primary;
+	file "dropedns-notcp.db";
+};
diff --git a/bin/tests/system/legacy/ns3/named.dropedns b/bin/tests/system/legacy/ns3/named.dropedns
new file mode 100644
index 0000000..37dd9cf
--- /dev/null
+++ b/bin/tests/system/legacy/ns3/named.dropedns
@@ -0,0 +1 @@
+dropedns
diff --git a/bin/tests/system/legacy/ns3/named.notcp b/bin/tests/system/legacy/ns3/named.notcp
new file mode 100644
index 0000000..e25c3a8
--- /dev/null
+++ b/bin/tests/system/legacy/ns3/named.notcp
@@ -0,0 +1 @@
+notcp
diff --git a/bin/tests/system/legacy/ns4/named.args b/bin/tests/system/legacy/ns4/named.args
new file mode 100644
index 0000000..4ccb648
--- /dev/null
+++ b/bin/tests/system/legacy/ns4/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -D legacy-ns4 -X named.lock -g -U 4 -T maxcachesize=2097152 -T noedns
diff --git a/bin/tests/system/legacy/ns4/named.conf.in b/bin/tests/system/legacy/ns4/named.conf.in
new file mode 100644
index 0000000..32bdb05
--- /dev/null
+++ b/bin/tests/system/legacy/ns4/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "plain" {
+	type primary;
+	file "plain.db";
+};
diff --git a/bin/tests/system/legacy/ns4/plain.db b/bin/tests/system/legacy/ns4/plain.db
new file mode 100644
index 0000000..2c20a70
--- /dev/null
+++ b/bin/tests/system/legacy/ns4/plain.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.4
diff --git a/bin/tests/system/legacy/ns5/named.args b/bin/tests/system/legacy/ns5/named.args
new file mode 100644
index 0000000..0c5e17a
--- /dev/null
+++ b/bin/tests/system/legacy/ns5/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -D legacy-ns5 -X named.lock -g -U 4 -T maxcachesize=2097152 -T noedns
diff --git a/bin/tests/system/legacy/ns5/named.conf.in b/bin/tests/system/legacy/ns5/named.conf.in
new file mode 100644
index 0000000..92e754f
--- /dev/null
+++ b/bin/tests/system/legacy/ns5/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "plain-notcp" {
+	type primary;
+	file "plain-notcp.db";
+};
diff --git a/bin/tests/system/legacy/ns5/named.notcp b/bin/tests/system/legacy/ns5/named.notcp
new file mode 100644
index 0000000..e25c3a8
--- /dev/null
+++ b/bin/tests/system/legacy/ns5/named.notcp
@@ -0,0 +1 @@
+notcp
diff --git a/bin/tests/system/legacy/ns5/plain-notcp.db b/bin/tests/system/legacy/ns5/plain-notcp.db
new file mode 100644
index 0000000..9c1a96b
--- /dev/null
+++ b/bin/tests/system/legacy/ns5/plain-notcp.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.5
diff --git a/bin/tests/system/legacy/ns6/edns512.db.in b/bin/tests/system/legacy/ns6/edns512.db.in
new file mode 100644
index 0000000..485ec8e
--- /dev/null
+++ b/bin/tests/system/legacy/ns6/edns512.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+@	60	TXT	a txt record
+ns	60	A	10.53.0.6
diff --git a/bin/tests/system/legacy/ns6/edns512.db.signed b/bin/tests/system/legacy/ns6/edns512.db.signed
new file mode 100644
index 0000000..f193a09
--- /dev/null
+++ b/bin/tests/system/legacy/ns6/edns512.db.signed
@@ -0,0 +1,226 @@
+; File written on Fri Oct 23 13:08:55 2020
+; dnssec_signzone version 9.17.6
+edns512.		60	IN SOA	ns.edns512. marka.isc.org. (
+					1          ; serial
+					0          ; refresh (0 seconds)
+					0          ; retry (0 seconds)
+					0          ; expire (0 seconds)
+					0          ; minimum (0 seconds)
+					)
+			60	RRSIG	SOA 10 1 60 (
+					20501016010855 20201023010855 53333 edns512.
+					De3f+wPXopHUPSD2z6Ak5oWhk7AOqqCGU/Z7
+					iCHR+9SCTaDRyGQarIGoCrlc2hhrkxOsYWB1
+					X01E0Zx+iKrzjbK8aJi1JoigvWvi+XogBfWR
+					g7P2LnRnriJfBtsFdKEQSHFo3dmVX4XCqyJX
+					xkJZG2+if+HedaYkrW2izH6PRUsXf3sQWdm4
+					+k1jy+4m4m6bVM/QeHbX/u6KwEZlNuWy64lL
+					2CXtRpjc2W0oX5Fqoz5GWKI6T038IEawLhP3
+					g/SnC021ub89U5sWRY3s3c1vNrZBjtdnGkOr
+					V5xqBkVwl9RVJwmrMZ4Sa4JaPbd6eV25d+R+
+					+yoCJu3mLwL3q7zBT/Du5N23sTeVeIQmmrj/
+					PxaaX8YIsGH8cCDaverEAJsveuzpYuZjy8G8
+					ZiZagWrA5DQwwy4t+XrhZkUYjxX51t6l367V
+					8stKcY/SGEmuEpOuYlaTV0/EikZyWQFoq/iv
+					2eyt/CS+vbD9Bz6v/EXI30rNIdSrYlA1/Vnb
+					hJmb/k13Nlf6ZeybSWLFDYYSXz//FObZ81Zi
+					7mUB8nZaMtadOnaf7cmsEDUeDbOd9JkiMsmY
+					XDnJPN04hOlCpnwVs8gfLPexD+iDwGLc8rkB
+					hGcAOQRXw22QI7OkBlyaXCHwPpniahmK2wtB
+					Pb7wmdlIVz2lcbtdNz1e2Jfp2rlxcz7e74w= )
+			60	NS	ns.edns512.
+			60	RRSIG	NS 10 1 60 (
+					20501016010855 20201023010855 53333 edns512.
+					n0ZPbouoYSPJO35aT4qUr9dwiHDwpf7tyCKn
+					18v9b2UXSGloo5ojUkyA7aJf16vuTrcRR3/b
+					NFHE+qdUsyquHAqjzfPg6O6wL/1CFtZM4Be9
+					SPoaMi1/qYJ51ixep07etIFeQamdSTdwFEFb
+					2mowRZ5/6TP2GlQZuO56kLTNZSPzUOSh/keN
+					W/sqMludYPJ4JUSI/tyXaadyu/oTLxHvqmFg
+					IHGIVsZs4QGyJax75YKL/tQgpMV8A5w56J5V
+					2N+8wcLArfwqSduDE0LCU9BfFt4FZf5Hxdqx
+					Vh30cQkNzvK+k2Em+dV7NyNUtyeQO+szkMdL
+					Rkwx9bLGaBExDQZZUvXaAmGcrFPGHgYxBEyN
+					YCpPETeTyvI/Hlt5ldKFLhBuy5h84VNpZ1et
+					T4YBoc/v+SLK+QygJTESvS86v3eSnKtTpr7Z
+					z6MaB0jU5rYc1GsVU/W/Hbw8N4EHtsA4PxP+
+					CVHBqRCNT3VZuASJuGRYo5g/JFeoA1MFfvIK
+					gPR7JEAL9TXxgeCWPpyeF0uLabgusPfbcSaH
+					H90smjebOP5aN5F31oDyJdT0dj4VJybjkIkq
+					/DKh4gMUTDLe7XSz7E0V56W5TMjnh6qvJCNr
+					Lrt3M3su6iCTogCXnGqIyqd0udDjryMr6RX8
+					QHdOfb8n9CE2cgbgB3lZ2yTo+wTElCK+QQ8= )
+			60	TXT	"a" "txt" "record"
+			60	RRSIG	TXT 10 1 60 (
+					20501016010855 20201023010855 53333 edns512.
+					MFRZbRqXwWAL5FivjxPsq02Zn6GGO+v0PKAe
+					2FCMrCzIFXqxAuiX3aUg3OXdtSgYKTsgS5X+
+					GfTPAGrdH3hsdanqJbnD/pSjSIOuyrwTR4p5
+					QS6nLReu6HgYqw38gJXzOL596s5N5PPIz0T2
+					6FmbUsVo0x+PNikUQe6rR68Wfs4T/C689aT7
+					ws5e/NHvG/EfyxyAENQHLWjuXG0iyU61xmB9
+					b8mzdUwT0TupyE75gBDEMLosbBOqSKp8Etjo
+					hVzjYkXkIRjp1+KceauOIIi8HnpJWkFDbgst
+					EFhEydCpf2cfCSooE/ddvjKCgsykL7H3iFBl
+					6b1mgQ91mouK+qrJTtF9Vjbtz49Q8x/aPyw5
+					YL37y7pXTcELJjE4QDk26OShxnUZYxV7rnp+
+					u7AHaGjPpRHG+Tv+/Ovp7LP33ZFK05jCr2jl
+					KMfi6lPpivY7wF8Eyg+gNlf4Je+7jARYQ6/n
+					Gk4dD0IHg1Q9f9f9Zuus6EqBY+Hw4tMDrhvq
+					MFNdgNArN6MgQKpTqcl3RPsW5UmDQh4cyqZm
+					OsxxCSzwKggTsDSAHCemJp2HhiagRMEE5Jk3
+					8kiBA9CUSgMHu2hh3MeC/+mUWXO7rBl6f+4v
+					IwlJ5Lc5W+F7acJqpbhVRIW7SsTxC3unJXEu
+					ZJoIy8/VRRK5sW3y3lPh+kY3M+ibAaweGIc= )
+			0	NSEC	ns.edns512. NS SOA TXT RRSIG NSEC DNSKEY
+			0	RRSIG	NSEC 10 1 0 (
+					20501016010855 20201023010855 53333 edns512.
+					uUXcf0YI0zxGIGCSoRCC5sY6PqaeiZMkMyEw
+					RaOmshO0ylGgjSdXDq8aYyfX0Yqk3cNlNws+
+					pxc93SHjS5y5AouUJyAmp/DcuWTbb6HI5rUu
+					Vl5MBU4SaQc2mfNDbJVvkPFSG8L5KddL8AOo
+					1C/n4xxtQXmBvxD26lm3Is4V8F0ka5s6Gsx6
+					wa+wk/x4tIUXjPs31i9Rm6INMJrjTr0KEpEE
+					N4NDsiCd8udcQhSDXYSfJ6mL2T4oLBkI2rTb
+					63YimpBl0tThlO852iXmGz42LiO4e/7OHEfi
+					qVbeLo66PAOW50dqxBchTydaUl1ODDbkaT06
+					YXrIyO5epPOZcHnKnU+WtXzVGhx1WFYamK+d
+					YeFxIFT9FH3Ka0CutimVjziMoYzPZZTSBCER
+					e2Lat4VY3tlKIREo21k83q86KuuEmJsnn3mO
+					E4h29sJAbqPlJ81/iOPBM6mZOJKQRUYkd3xo
+					9VdYMmLc0BPRH8YxbpqQ/2bZwE676/Z5TlzY
+					Zs4RgG7nxddzwrroD52MfKDvb7TelF0q1hwU
+					ay481qZkCRFEziRt0veUMTlp8u8tRJbSTOwn
+					KsgF2hadtzGwNPMcsx03cO6rkGlZXlJPvj2a
+					A8720jM+1xIKUH1ClDnIM3DLjwBAquJpstO0
+					6GccRya3pRDf/H+1kBodXMylIw7QF/1L91Q= )
+			60	DNSKEY	256 3 10 (
+					AwEAAb6wC1T1oWvZUHHTf5er1NKQRzGyu/Rb
+					r2HgRcnOwqUh4Bv8jCN8zXCKRZ0t2uFFvRrX
+					HE/NvhxJnZNtwGyfJNNVCQ4jkbPoD/lPYCCc
+					8LWeZ9ZLgN7XZpUk3F1EnGkHQCM7WoXe03UA
+					OCHo6hriB96pgFJV+tCSCIubB99Fyk+dN1gG
+					dfjbRRYSYi7fgQEEVicmbP1u8Bd/6HZQXE7o
+					aFdGs1gAkvNNVY+AkFQVdhv5gbDew1vFg9lY
+					C3wWWdRdJtOpHMYY4Q9LBPSKJe4/C/Qr9JJg
+					jl/OgfeMPPPw2O50W7j5DVqPAPJaeflJbpCp
+					EjBhIJAgp2nekWlN2WGqFuQLMfsm8HWftafY
+					WdGXQpGB+gG4yJTRC6aoAGLQ7Ah2xzwodRYx
+					6Hu3VMBOjmbiNeubFmZHtOjND6VAexbuGf4Y
+					CiRfGbxY2+nQtDU3DPF1s0k6TcIw3HuukFuv
+					yaK9zjx//YD/+AprMHhvrsXjZwLUYwERe6Ax
+					CTKtbhPFoYb/Sx9spjMG/yWTJw/cLCen0K3t
+					JHoDKzmRuCldnCk5ff9ZVoOUvZrOfBicuVW4
+					vy1eYdfugDf8Y0Gix00DpA6h0xEVh/pCd7VC
+					2N5mi0m9ZX5gaH3Rz8AZy9c3iFG+36kUu7By
+					kSCAwVUEryxS1uuR4a3a3FTPgIYZAOAEif6Y
+					0eFD
+					) ; ZSK; alg = RSASHA512 ; key id = 53333
+			60	DNSKEY	257 3 10 (
+					AwEAAZVmIZdDKaEpBYzRNZ8sCXLdPBkWvH1l
+					hRMwYtqQuwvKahA1+m0xHWczNV1m04e2MrI9
+					AR2yYFCKi+znm9MS3WPo6fShbKzbzCu04G16
+					334WcmxiFfiKWd71NJoM/Oe7pcWJPiGlm0+z
+					SE93DD1681/GCJxolquJizZH3N9c9erK4Fzv
+					v8jSbEiVen89bkdUw8ulAmX/Eeb9x39A7fs+
+					acO4BuTrL4vsKZ96D9+qbDnUkDn967jFeKGw
+					RCDUMa+UGABkkNjmic8WTVITwI84xEcaFEl5
+					GQBYLJ/qfou1tPicCQxup/EllF4xgFsTvtgG
+					BjN+uJXaE6rs171pzIbDcwZVuq0JZfWXCnrp
+					JZUQbtpwr1nFwT4prg4riDCzmiA3gnXCOLFR
+					pvqx7iOhS77+7miNqBEBthfu6kEdChOlNWpO
+					TX1Df77HbLyGHPWpExcg11j1jxH1PUB/ijpL
+					gUFRORuE6Y8NxUvN8ooQWHIYjd8AEIGlAssy
+					9dv91KlyOSfZfZftGelCvm5Hha4PoMXUF1of
+					4rqVy346UhVRKIu29ML+Os4+HPTPhXY1/wco
+					2q3fvKqix8sI997SOrjYeX39MJ2WImzWZVoc
+					U2X0sbZlYU0I6yq2zDh4oN98s2r1U4TJPf4G
+					Kc2A3107n5WHsavLF6DfV9bDU4/ozVE920/5
+					KocD
+					) ; KSK; alg = RSASHA512 ; key id = 21624
+			60	RRSIG	DNSKEY 10 1 60 (
+					20501016010855 20201023010855 53333 edns512.
+					VFBtgMd79vb3EKirSuX5adFdCVMCQQrQ6ANM
+					iAMhKSxo9Ic8ICZGANm7jvpg+IEG13+2ehyt
+					3EpBIHQYp+Apa1j6lGUDbdmcqP0E34eVy8jJ
+					brP94Bpo0hP1E0P6pPuIqWrnWYG60bXNztc1
+					nJ0ACg7mbcbbnFKHwOcD+js74jGAQdCKpwo3
+					SCfjApUMQwLhHVa0MKcxKCtbCz0WJJwGoXOV
+					U4l0DY/wD/aXTXjguiycjrHEP1dT23JPICFl
+					ZsaVE/+ra999p8fCZ5Vqy3PRFGqUirrwj8hG
+					93dK4R5GxY0OLfIxYVX5Nt1w6qDmpXbVtryU
+					wgzdO3ZO6+Fz7hltPB19bfCQZQIkqypaPkXT
+					ltk23Jax9EU1nQ1CXLPgMDd3jjlF/46R/CD0
+					H/69/ftwCUdmfX2TZmIWEca4sdj5Za1U1AY4
+					pby4uPUncEw4T4WtRxKmrXjd9H2Ml8KRCIPe
+					Iz/21cUoxdLzlomjnP967H/TR6UFxayQziv/
+					LL2R7LIQwQlz9ZCHHhedptCaK+0FUicWHqW4
+					SW7Y/AKavvFGkMO3KXkXto2oZQLRL4m1Auv7
+					M8rlStuEFBJ5/K0JIp4NCDKTayhXwwvf9jtn
+					WrsCaLRBJH2nCIO2/1w16G3D5mQdvt0QskM2
+					FRtEhi3a7TpwRvCGKw9PuVilH7qXIYpHF54= )
+			60	RRSIG	DNSKEY 10 1 60 (
+					20501016010855 20201023010855 21624 edns512.
+					Nv7YHuTniNFoFtEeF53VG5ERUEBzKY6wTzUe
+					34+5hD/GwdxqKq0qQ8VflACrP/JYonCejgj7
+					6K4EWLBnZYk1K53NTetO19CCP9X7uQC5+av9
+					D5TMLZUC+nQKzHqvJvR6E9UsaH8/wTfOPf1y
+					Li0CzNUpIQ1dKiDu4nJV15Vb8maxjsSxSMwB
+					8bq6d7sNaa97KIqhhlQp1uJBtS26yp+vP7oJ
+					dYYuJJDeim3GyS/5SN1uMi0r+k9ZL5ajCcyh
+					IACupyTdGLmQKVR1QwF+UlLhY66TGuLKvvJB
+					ygg8W5nguqz8mu9uEmwnVta82itKTKWeXwDm
+					TvEsmW3otxkllRTnHUGDD5mYQBojblFvd27K
+					qf5ALNjAsDwqgrp3EkX7wSOjUNa14ndPLvlO
+					oaeI+ak914WeWrX4s3Pq14BOgeY2dkPX7+MN
+					J3cVkZF3UHsUzzI8vDu68Lnrr36Io5LLlbx6
+					ZzVceeOGvFDz3F949LjYdfBPmIRaC1sKlhEf
+					VrHILfDQFKd3XUK9aRehj3coARu7Aovve1qO
+					nBTQKwxBFamDaNLlJOaTSaXF8qolIaaEx5Nf
+					ymlTsUEkhkB2R1E4LOg1GYziysJSuTYNK5vJ
+					k4kNVn4H/I+sFcxphy2bpZeVHeyNW7JEzQLy
+					JibBoojBRlVtYCmxqYMtGggHsG+C/YYF0QA= )
+ns.edns512.		60	IN A	10.53.0.6
+			60	RRSIG	A 10 2 60 (
+					20501016010855 20201023010855 53333 edns512.
+					XL9RRX33pcjPE9x6705G/ztksGQbJ/y7tT+k
+					Ojr/hVxfm16IppAjqUnQawbpHTak9NQssa8w
+					0+edKW5DDMnU6Cnk7rnD2JRNNoXCsQ+HI1oe
+					I7DAgxPvloELwqKnRFmViTCued13oTbzYYOF
+					w28oRXC+elYoeK5ee953hm298WJjOwaVFzub
+					YUf5Tf3DlVLtDeylnokPGTOHMo55IS1h+xni
+					0V8+jPLXARA9L4fI590J83XPyDPwNgjt0Imv
+					ySZJ2WopQf16RLPJAHbqz+xQK/kO61TBzk6x
+					bqe2o5izwKmg46/5ekOvntjXebvxaC9PnSKw
+					e0fPlXBs5gwbSRFitRHxFzVS2m9eWLMtcYXP
+					XW7cVKLiBmlci0gzWkhOlGUSCAF5ZaUX/6EK
+					4nHsDthtHa2Y4TGkCOeRZNDLGeO4fdfLSS+o
+					qR70HuhxYp+FqwYxJFtePx7PeJpSwc6FaWTs
+					Ol41GBSDVFNomOcUawMdstqj2QRWoi4o8Q4m
+					SwTdyIBd0gekzkyKheVzfFJxUlE524idgNL2
+					fCF/y8G/GGwU8DZ2mXLRTbE+7eZV/BG0m9ih
+					hs/wqqY6o7ClTDWgWJOQ7bbzZBvy3QEmkMZc
+					TcuWRhVzbS64QlWlFOVD5EpQO5YM3UNKBgVX
+					ynqTaHEjDZ8P43szTvel8Og2LLdw13qNBYA= )
+			0	NSEC	edns512. A RRSIG NSEC
+			0	RRSIG	NSEC 10 2 0 (
+					20501016010855 20201023010855 53333 edns512.
+					FuLjgUgFvqjd7KVC5Qli4TueVtHpJlWul+VT
+					fSWFW8V+730HaPqo2TvZr9pbU7TKFqNWm1mK
+					cqlxTg9iYviabIZO7cq5tDvX++CiVBaqbjnC
+					UM7PHl36mj/+WPkQHxSo+TpOC3zd1uSGoF4h
+					sg8HjMUuQ9dRpsYWPwGM9dwkcgzfHSrCs/zQ
+					kW4Ari8JgBLAQ7mqRzAEzZPWG90lFgsElvXu
+					YeSyeP8nSwRvzxjzfgg9YnWOY/zSqUup2HUm
+					jf4CSFqyOzJm+o0BhVs7qumFl6Z6DRibWece
+					0cV7xdLqeBvHZdmBW1uWNio/7YnK1uF2UCBC
+					bwtzZKrwmCRWaj5HuhJ4DaftFje/7nPz0Kxl
+					VXWYqTDW+OFO9yJLc3+NPrZdNxuADnrW0MrR
+					OgJwd1vTpHAwf14ipOitzf4PyBWE5EyL2VIV
+					QM8oB3+xgZqG2QwAaGe4ZOrrDXQotQ5BmS1d
+					Y8SebfcylVUWKJK4kJzAvGjLddZ/1pq2bO2w
+					awj2UarfydJvH+JnX44cykGZeT3x7Y26jEzn
+					DL5/2NNPVU3jTl/HKdeyMG2INPxWr6z/+PXs
+					Wn0IjTRpVrKjoTIl2/hUctsldNgZ/kjKhP+U
+					VrI3O0cBhUM4BPV01mAU8Cq0nhrkRt0ESgo3
+					Bulleb0NLQlhBgo0aiZYQLIA8cDLeAi/dIE= )
diff --git a/bin/tests/system/legacy/ns6/named.args b/bin/tests/system/legacy/ns6/named.args
new file mode 100644
index 0000000..3475121
--- /dev/null
+++ b/bin/tests/system/legacy/ns6/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -D legacy-ns6 -X named.lock -g -U 4 -T maxcachesize=2097152 -T maxudp512
diff --git a/bin/tests/system/legacy/ns6/named.conf.in b/bin/tests/system/legacy/ns6/named.conf.in
new file mode 100644
index 0000000..17f19d9
--- /dev/null
+++ b/bin/tests/system/legacy/ns6/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "edns512" {
+	type primary;
+	file "edns512.db.signed";
+};
diff --git a/bin/tests/system/legacy/ns6/sign.sh b/bin/tests/system/legacy/ns6/sign.sh
new file mode 100755
index 0000000..f76b3c2
--- /dev/null
+++ b/bin/tests/system/legacy/ns6/sign.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+SYSTESTDIR=legacy
+
+echo_i "sign edns512"
+
+zone=edns512
+infile=edns512.db.in
+zonefile=edns512.db
+outfile=edns512.db.signed
+
+keyname1=$($KEYGEN -a RSASHA512 -b 4096 -n zone $zone 2> /dev/null)
+keyname2=$($KEYGEN -f KSK -a RSASHA512 -b 4096 -n zone $zone 2> /dev/null)
+
+cat $infile $keyname1.key $keyname2.key >$zonefile
+
+$SIGNER -g -o $zone -f $outfile -e +30y $zonefile > /dev/null 2> signer.err || cat signer.err
diff --git a/bin/tests/system/legacy/ns7/edns512-notcp.db.in b/bin/tests/system/legacy/ns7/edns512-notcp.db.in
new file mode 100644
index 0000000..e181ca4
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/edns512-notcp.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+@	60	TXT	a txt record
+ns	60	A	10.53.0.7
diff --git a/bin/tests/system/legacy/ns7/edns512-notcp.db.signed b/bin/tests/system/legacy/ns7/edns512-notcp.db.signed
new file mode 100644
index 0000000..495d098
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/edns512-notcp.db.signed
@@ -0,0 +1,226 @@
+; File written on Fri Oct 23 13:08:56 2020
+; dnssec_signzone version 9.17.6
+edns512-notcp.		60	IN SOA	ns.edns512-notcp. marka.isc.org. (
+					1          ; serial
+					0          ; refresh (0 seconds)
+					0          ; retry (0 seconds)
+					0          ; expire (0 seconds)
+					0          ; minimum (0 seconds)
+					)
+			60	RRSIG	SOA 10 1 60 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					oLYJAlTUS8D9FSdgdL+wQVNbWZamSxv+vTx1
+					3zAfTgMV/n3RclAtFfFENe+bNxW5vkt4ADEg
+					j5ys/MFnLA0pgw3fjziIzR2OwEQpuw76A8S/
+					ecLVvon5VcEOvKRhUbDJoAS2PatPPqnGxVyE
+					bs+fBCqeorUl/noU/6TfiISIeVcOmEgZX9I7
+					9LN//CmDpGeZGMm3q6S3LlmsXnBoaMb6g1SN
+					xH/aA/xstiHXvwRLy1YwtImJa92WIZPaA9tb
+					zCX9vVXaVtnLxUVz7PyJOAW/+jsg4IfVmpbz
+					GboD0FdgENC4KuIHjjA93opAOI3iOuREmGEw
+					7kBPAgaVB8EzypYxgKoEuargmw+3TymHipZE
+					e0/0JeXFdRbaiUQWXtKtYfPcmHcnrY5JO1eo
+					KjNbAakpDkd1wt5EtMc16TO7+00cY4VtUZNJ
+					IOLtzXByCy2a5FRWzar1InYhicUIvM6VoP5b
+					tj9QcYLWT3e1E0aXeBia2Qy+hS/Ut4X+vYvp
+					gedVySBjk8tSDyAkm7ALDiI1gPjdZfCWO+E3
+					8XI4RbCvaGNlZ4rRH17SKyjxJrgiAPN562bg
+					NAA2F/S5dzLOQn3wwXgHEwu77WisvMV5yrG+
+					3ef8eVEapJgNGzz1YlPTolpYn9EbAtRMxBcK
+					6/CFz0Qf6cfBrHS3lxHj78Dcj53O0+zKenY= )
+			60	NS	ns.edns512-notcp.
+			60	RRSIG	NS 10 1 60 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					r+WNvwHqzInk8Q/8bDkT4gUbgtc/ArysbpOC
+					Cw7LGnAREt4W6sZ3okkeXb8fnN/t8bsgE9IU
+					Hy7/IuhFu9eMzBYYuc4tzELXVswlCRpUvlVA
+					0zUJpNmyAcUuCyesy/pu67X0H7mUJX6Z1MKc
+					/o9F21lGkbXxSPSEgRYp6Kmr0s6oGxUqfPL8
+					KDM6yuLBn9YtXzZl5W95aHFGHSlJrCmOeW8P
+					8Y+5PAWN3fqA8Djgxy1EOMswFVZqmdM0K9oE
+					+oDjTKtj87YmrwdPsUlJLUQTJuoGIpAZxSj8
+					4Vgs0sdfdo0w0ZyqljYnlrNUlj214FdbXBec
+					CCTSgGcacg7GTW/0yWWeP/cvvVh0MkXWVO37
+					SUecD9jeMwyjFLfVFpzxkgbHO3AiBG8Y9rTk
+					ma18D/hAagbTLGlDhnjz0B/2loVCkRmvWyQp
+					4Kgpt807cX5w/mR4a/M+//OUTm4xtdq/Ym6f
+					VXLK+JOX8Z+RsDfMWBNodT+JgefnfvdfMaiK
+					FA65Sgq2TIhe75v7ttoN0FaPmIv/g1lgKSxA
+					sLg9syXSUp6Z08wWy3V0jYhs89s4ZJmjezYc
+					bZKvszSqmoCm3KXAkrRUyYooPpNVaMK8taQ1
+					v9vIiC7bFCap8eAogMrfjz1MImIQ/lsH0SC4
+					T+OLiqKK0/uXrqO13FW9EKj5NyBeioURx/k= )
+			60	TXT	"a" "txt" "record"
+			60	RRSIG	TXT 10 1 60 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					06INKYbKaphZUY5Nyc/FuiZolDsQBWnkMB0+
+					pwW/nUhCfXbZR+6wFuvmZHwDRUVvBGsLgPMs
+					WvUw313CsRB35vCb0ncGtFxaKdUahbf/9N2w
+					600wINuoRSTdxkuGlFbF2Rm0IjuATXkK0QFJ
+					/eSuATu2PfmMyy2MVtjTWCNIEcCJNXm6HjKj
+					KokuKB5YJWdR7pI/ofJD0v8L9Y1uM6uOMSEm
+					MW3jnrqnItg0CzpdAoJNDKCdv0lVz2SYAMIm
+					fbbYGbfhjGJnHvU+PZmgX4OI0F0QKXT+AAe1
+					fJaMBPFU5vvQo+Q/UYcWW+tc9jUiSMTwCOjW
+					j+cPJypLx7U3Hx3knUscYsikohQv9gqMTQsB
+					ylqpwJVbofgR62DWqlUUbgoEnILM18SvZ54A
+					nOcjfz6wLw3/jG/ONsXqLuyYiqetXGhhQLz3
+					DxzQrCts1vXWGCnjWdqHeDGZoPWK9RMcsK46
+					nGd+jHlOBvCgpgb0KEwKYBIdwnYgoLXqldVM
+					VEjJ4yJa0Lt9FDFEjdJmI9pcDkE/zAZSfKHF
+					cf0U/hHy303QpiL9c+2zzEeYpZzDltZfv1/g
+					oyVFPFxPxp8iNj2W4B1hYTYCgS3M/S75ylgQ
+					np/QyDv4PX6nIsVPvZUhslm62LfkRnANpqBe
+					y/VfZDrEHxsd6/4kpqFVhlCgmnCfvwT1PgU= )
+			0	NSEC	ns.edns512-notcp. NS SOA TXT RRSIG NSEC DNSKEY
+			0	RRSIG	NSEC 10 1 0 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					ZuI5yl2PzNehPw4HKsR3G/mN2LWtAr+7xWkE
+					2pm/Zr8LhnecYz0wbZkve5EDjLe7/93TH7y6
+					n7RD4N4W/jtK80J82Xpjy7xOZ3UX4PVoX/0s
+					IvJFHCPEmlzuzHiVZglMZS9HQl9aY6J5KIde
+					T4xRnY8YzhvraHi2E2T7HPIGZLZVccWU1dFe
+					qAxaIhmVYAbLNixd2TbKr6SeWfLQRvn4aM3H
+					90k5kSMwePOieyMtvfapmCsOIOxjG2KpibIX
+					VWnQrXGig5IQ0nOPkamKde5eTYH+cxkx2AHA
+					gjHutcrbrvwtW4HomW65BNZzyyknX8kC5eo9
+					RdAOWTpEXhDDxoU9QxsI6U8zRIwDEuet63N8
+					oESfik7AXDST1kJjLeY9QyX8FYKOQoCjxfIA
+					o06MTKN5OjtRquQUiCHNyOo3ySwaabEHVsbG
+					a28Laelo8oaPxEFZpVC02N9c2TW6H4gHijzm
+					WuyrlTV5T2FEQiWLlizVrDDKfNSbbF5DMw1A
+					AqYIiWUHTa5FAXT+DwBQaN1rd0FJXXMM4Uk+
+					a9Mquw9whK5TOe0BSHOsctPz3rAXVmQ/C6Tk
+					U0tZAmxEsPQDPiM29VdTx2CfTiTqYDsLVCl5
+					HUwHMYj9z5uVTZ8pD5zqI3NFH6KrqPlTB/je
+					ksrzOGaJrtnyj5oGExNWriYVsZx8FoyPNv0= )
+			60	DNSKEY	256 3 10 (
+					AwEAAdnQArhgG2vUoiAvs8zH8Z/+RTBxYUnv
+					/J3Vd9ierGFvvWonU1Ao/WWspZggXe3I6ZmK
+					+NCSuVlWb1HmemTobib6jdKWpNOMn8OcJHSE
+					4TsbOB0+sOknDdU/C8akwegHG2zgQG5dSKRC
+					oLVqlsnV27lFQrmpVm+cm0IruorTWJRC2W5t
+					iXnblVQ0ouR54SYG8+k18UqJDVfg1YBfDkzM
+					eMvz/wJjFy156yPul982VaRHT/xU+Ol5S/+c
+					yy91W22Q9ktlIjiIu5NLeH6TTwwfGu0YY+h7
+					rMFImDkwPeTX+K28BRdjYY2htH8O+ZfbmYE7
+					Ft8+qF9P7Df7YUPBiREs350NVuDMeqcJmbsi
+					yOFBZ+J/QJU7nM5VHCFeUIDZ873/o2bJN0W2
+					MaI+v+WsTmHN+W42EmejonGZqlC4ct9j8KO5
+					Z73y1+jdzqDOJfIctxRyqK6cF6PBz0Y1QoLI
+					Z3fmX4IsdIaiFH7h73R4s3uXYTx8BUzY369p
+					95jxpMBqMPeFvOaYzeHc4hSqcXIehGwIIUj2
+					XQxZU1wf8ijaDXOBM+Ccei147Njd/VOjhJ0F
+					MG/5EjCkrVLC2IVUO8VMuvpBtji5RNSal6b8
+					0pIZTgEposeT8dbNP8ojzAG15HclFgzjY/Q8
+					90DErfB8UsCtcOz060UKMYKx+zcoYU9KRo2u
+					77b9
+					) ; ZSK; alg = RSASHA512 ; key id = 22916
+			60	DNSKEY	257 3 10 (
+					AwEAAZ4bc3CnvoIGDpDOW2+afYCU7pSIFNzW
+					ueXVOjPRolnxUaJYwLyCIHngpm+9/9stMh+E
+					LBFozA785zPhfqnRaZz1xWMP1D5bHu6SXmpF
+					V88BOnSznEbam/kqzQTrowH2hs3SClFI2wFD
+					QsKytzgnRDFEkysgfbjx8rOQZLRV3HN56z39
+					DgWWC4kz++0FQtp4rZRr0TKgpIXDYJbBxgWn
+					em43xdlCv8qErE2jRfE+gto6bS3Uw71qfFTn
+					XBuvoI2Tfy/cxCa4oeamWYwrfFKbSC0fEykG
+					3YnTrYIqJCEnD8h5191h6GZ0OZ0XGWKD14N3
+					NjXYSjjorqbqUSU01vDxS/8UvCKknmLCTTpN
+					Jm3RvpWM9EIghF3qDDgMgFd/hFlJsBGg1MxQ
+					vGskBg+PdsPDLQZRbpWy+5umLCZ//3Djmok4
+					YnvnaFLeMnRlu0x4vTFtpuEdkwTrGUacOkJu
+					53vH1pofl3WqC4PrPVwsQXNHTJcZTiHnyAN5
+					wM4h6kD47+VKS2888SP49Bi36ypSnZp5bfM9
+					wW3zOgh1oFUKTyknQWOX8Saxr+g3sVBZot7V
+					EpTEeJOWOwdSSRj/K/2UiXI5QJEX4+4aJYxA
+					ak8OJCmixLmcSVsY4MYsK2m9I0Sl6brGn0xG
+					qUa0SBTVw+X3zyybLlsqJV8LX9W7sLeM3OgY
+					st7t
+					) ; KSK; alg = RSASHA512 ; key id = 8161
+			60	RRSIG	DNSKEY 10 1 60 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					klMRNVbs52XfLa1AZNHlAiQWqzjNjNQ7yuVG
+					9o8sxcAqzrxvdcnISC9CNz867Sw2JKs9dMZi
+					Vv07Jm/f85wN/B9OO63NbxQHgtMAv3lT5isN
+					4xC7NJtDQCPIEKrgPjnznJG1/XiWZudPemv0
+					dpTIMR9fiQHC5Z0I+xqUsRJjlBc4x1tPrPNC
+					9r+YEaQlwKT59pWHTLPpBYZE+0jjNY9wMrhX
+					1uP7gS8z0s0iyldhIgIicccjdRrCCc6EoNnc
+					ToEfWsLMN2HTNCtAAxCHSNTPrC2wriKl4CHi
+					Pqy2AsztfLLkyT+dR/gBLFbjHasp/5O1Y5M+
+					60WywgNr/tbsNzzuSSfcIZ4RM3JhS7cgoZpP
+					MEsumXOyJdTLF9oIZK3QKVjT07eai/KA+Vjt
+					bbkVBvagosE+uCCXhpM4nn0oTfZCZiIoUADr
+					wQ2PuvujEzPbky2BuX7iQGV90G1bcidpS1B8
+					Hm7zrpOjO0mwNyF29YTcJkgelvVOmEaAH3X4
+					+Enmji13kQmWkkc0sUYq9tyX0gTiXjZtz/4I
+					Yl/JOng3/CKS7/In20p1Oea4Sa0GDqtlmK+f
+					YsgaAkCaN1RbZslNDpphgEIKUF8M9YZVaAlE
+					XNqj5HFeqzOAoGNN/rUKKgNWcRynJdHP13gd
+					AoUxJa5FxdxZB4AAk6vfojOFjU7kQyeJlh8= )
+			60	RRSIG	DNSKEY 10 1 60 (
+					20501016010856 20201023010856 8161 edns512-notcp.
+					Y27v9t6VkOZzuEdGZIr33RTGJ+L4QfWkoCvj
+					9VGdOsj3dWVATqwYoGmlfRqlm6m2L7yhJVTC
+					pI8ihj/Tl7aoROTBnJGO9CkuvXKeGt16LIpi
+					ZBz9FbZ6MPwwjn7uPlm4RR51mscTWdu1Y45e
+					zs/uPxc2qpafl3NnBwcAw9l1VM9f11Ah7+tu
+					WA58niT+GMwKVSB2B0+cDQoP5covZmU3DjgE
+					8CmqwBUF4cElQ4DcGGy6LkWdO2+Yj8ANCsUS
+					DTeE8j7XLVGGurwgwL0TNPA1yntibvl+U+ti
+					vznWlvsV7Mww16j83BrJvEeTVOGthINdtL4P
+					7Pm6U6NUSMJNK2lGB3VucJyLDuuUN3CNNfsb
+					IO+6vBrA/T6UtXaRfv5c5Xnq9dcrbiYW1ar3
+					Ysw6cpGi2Ti2YO5EfG8OfGmHeZXK+OqrTNEn
+					T14ELewVKVEWv4lGiVbddDUq7YmltoYog2Zp
+					DsyahxOgfFLYj32pYIdNRr5HE9c1FwOZXmnz
+					wPp/rB1baf5eNddRxJtDaEo/ek5v+CtWC6Y+
+					eRwBKWN/ozmc5JnNpoJtKSvRlTuGYlKElct0
+					1cS9BmZsu/zAt4kGuNC71758XnVSd1CcwhwA
+					WYEAvrJV2+wr7jpjHvq1tGrCEPppBaelrwut
+					CGfenY08YE/dDMmbFPXMFUHbhtz1qvFiMjU= )
+ns.edns512-notcp.	60	IN A	10.53.0.7
+			60	RRSIG	A 10 2 60 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					tFjfl9DvT60ko1h9p55T2s5hU4CmmHEYrMUg
+					9Iv+tvW9YoCiHESBC7TkDmdVT8YwzaLDjlTf
+					YxgA5KLhV+04M9m7vUgxK5T4vjiE43VnTq7x
+					L+hM9cvjQ4sKTBJLHmTrKjrcE5fyd0/F3jvF
+					MiomX/8p7PLq2fzZWwygjiOrkd0s7ypFEuoX
+					AjRoxo60q2oV9/8jiKkgiD4+UEIqU/fxURP+
+					1MpNVqks/PXSFVQcyGrQKddiRpp53yYlgcDv
+					/0ulXnxK53dQ3CqymOflJrf7B5H0rq8LQHjK
+					ZO3ys54sWq80jxtxRWNMBvygmHl+LFCes5mL
+					GuB1pFYJq7z026GC6QHbVmOQu5P2pLOr13jW
+					KBwRisr0/BN/no3goGVAP7hJD47r2fr0E8WL
+					K1GJZI2McrHgQW12NnZm43AI2z7xjapbRquB
+					HMeJR8bPfjxEhy555AE0B1AXZobiuZHtycox
+					XBS+A9URAYx78OWAgAENF94rnkKIoSAmMENJ
+					KX29TEHrNLG3MCWxX9mRnMzON+5oTZjOxV8R
+					KIc6Qw/hE93Bho1+3Vdlq8X2Gwu8RswwLBgH
+					e3AnKRHWGTbv6uUwKCVrTyZOQft+yiKxooBr
+					Wz0AgEosnuwenxjw4Tim/Z5NhLnzrJBaSyjo
+					Pt+wguhDW1boaCf/4RYOAZtSNNalGnJNV4k= )
+			0	NSEC	edns512-notcp. A RRSIG NSEC
+			0	RRSIG	NSEC 10 2 0 (
+					20501016010856 20201023010856 22916 edns512-notcp.
+					hwvmKC/yVOUavH1cty6pg1EyTNBo+MAz+KjY
+					UmodFwGPv2EuRY/6TcujLTMHdeSbi71e+JQU
+					+ij6TXcXNZl7CpZbBEfVZd8xvTPYykhO3rr8
+					cckPre1p8pGx56x7nVjRA1P/+oyjjr6j1nVZ
+					RewWOrSo/LPah4WY2iyEJH0JF5H/SVrF2Z86
+					XT4YrLqe+1vpeRw0C8VNAJGZbd6H90Qu/Cnd
+					Xdyj1OOl+RQbvJCVpcw6/fFmcNRy5zbQJFA6
+					nsGyCL62OfptdByQKJhSU6gQcaWcMnYeqSgT
+					I3yBye1whQ/2fdgyKUFAESbPRp7WpzXzNabf
+					ZNeLRZT8RGsjHD4i0OqCL+R6axXl53wUn7sa
+					pXWTRBWIKshnTJrzntIkdXLq1qQtxnw7zA6h
+					kUCVzf1FzjP64cHh928CQBbnfT1MSdJuQe1G
+					/RGCn0RwOcn+n06O2uiCBmwkGnrZB/+Yytzp
+					apdULCyUmvByozvKYp73GOK4eTAqNF6igEAc
+					pSz8oXZy+wmVG1l72yli1Eyunm010Skb3oxe
+					23htSPq1MIqETzAWtMJM082F9vAEjTJNSnSo
+					RFpPnlq6LDjtr7Z6/mRcqVXx5OC1nj4Svaxo
+					JOebR0igOJcAKG9gCGz6ffDy/1VeUHCnzvKR
+					vgJZjbvXDuHkOzNB6KYc3N2BglMIxajwVcQ= )
diff --git a/bin/tests/system/legacy/ns7/named.args b/bin/tests/system/legacy/ns7/named.args
new file mode 100644
index 0000000..1da4980
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -D legacy-ns7 -X named.lock -g -U 4 -T maxcachesize=2097152 -T maxudp512
diff --git a/bin/tests/system/legacy/ns7/named.conf.in b/bin/tests/system/legacy/ns7/named.conf.in
new file mode 100644
index 0000000..30f3ea2
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "edns512-notcp" {
+	type primary;
+	file "edns512-notcp.db.signed";
+};
diff --git a/bin/tests/system/legacy/ns7/named.notcp b/bin/tests/system/legacy/ns7/named.notcp
new file mode 100644
index 0000000..e25c3a8
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/named.notcp
@@ -0,0 +1 @@
+notcp
diff --git a/bin/tests/system/legacy/ns7/sign.sh b/bin/tests/system/legacy/ns7/sign.sh
new file mode 100755
index 0000000..c2153f9
--- /dev/null
+++ b/bin/tests/system/legacy/ns7/sign.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+SYSTESTDIR=legacy
+
+echo_i "sign edns512-notcp"
+
+zone=edns512-notcp
+infile=edns512-notcp.db.in
+zonefile=edns512-notcp.db
+outfile=edns512-notcp.db.signed
+
+keyname1=$($KEYGEN -a RSASHA512 -b 4096 -n zone $zone 2> /dev/null)
+keyname2=$($KEYGEN -f KSK -a RSASHA512 -b 4096 -n zone $zone 2> /dev/null)
+
+cat $infile $keyname1.key $keyname2.key >$zonefile
+
+$SIGNER -g -o $zone -f $outfile -e +30y $zonefile > /dev/null 2> signer.err || cat signer.err
+
+keyfile_to_static_ds $keyname2 > trusted.conf
+cp trusted.conf ../ns1
diff --git a/bin/tests/system/legacy/ns8/ednsformerr.db b/bin/tests/system/legacy/ns8/ednsformerr.db
new file mode 100644
index 0000000..9aa3a4a
--- /dev/null
+++ b/bin/tests/system/legacy/ns8/ednsformerr.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.8
diff --git a/bin/tests/system/legacy/ns8/named.conf.in b/bin/tests/system/legacy/ns8/named.conf.in
new file mode 100644
index 0000000..7431cf8
--- /dev/null
+++ b/bin/tests/system/legacy/ns8/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.8;
+	notify-source 10.53.0.8;
+	transfer-source 10.53.0.8;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.8; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "ednsformerr" {
+	type primary;
+	file "ednsformerr.db";
+};
diff --git a/bin/tests/system/legacy/ns8/named.ednsformerr b/bin/tests/system/legacy/ns8/named.ednsformerr
new file mode 100644
index 0000000..e35cb02
--- /dev/null
+++ b/bin/tests/system/legacy/ns8/named.ednsformerr
@@ -0,0 +1 @@
+ednsformerr
diff --git a/bin/tests/system/legacy/ns9/ednsnotimp.db b/bin/tests/system/legacy/ns9/ednsnotimp.db
new file mode 100644
index 0000000..9aa3a4a
--- /dev/null
+++ b/bin/tests/system/legacy/ns9/ednsnotimp.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	60	SOA	ns marka.isc.org. 1 0 0 0 0
+@	60	NS	ns
+ns	60	A	10.53.0.8
diff --git a/bin/tests/system/legacy/ns9/named.conf.in b/bin/tests/system/legacy/ns9/named.conf.in
new file mode 100644
index 0000000..385fbfd
--- /dev/null
+++ b/bin/tests/system/legacy/ns9/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.9;
+	notify-source 10.53.0.9;
+	transfer-source 10.53.0.9;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.9; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "ednsnotimp" {
+	type primary;
+	file "ednsnotimp.db";
+};
diff --git a/bin/tests/system/legacy/ns9/named.ednsnotimp b/bin/tests/system/legacy/ns9/named.ednsnotimp
new file mode 100644
index 0000000..4e6424d
--- /dev/null
+++ b/bin/tests/system/legacy/ns9/named.ednsnotimp
@@ -0,0 +1 @@
+ednsnotimp
diff --git a/bin/tests/system/legacy/setup.sh b/bin/tests/system/legacy/setup.sh
new file mode 100644
index 0000000..d2a53bb
--- /dev/null
+++ b/bin/tests/system/legacy/setup.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named1.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+copy_setports ns8/named.conf.in ns8/named.conf
+copy_setports ns9/named.conf.in ns9/named.conf
+copy_setports ns10/named.conf.in ns10/named.conf
diff --git a/bin/tests/system/legacy/tests.sh b/bin/tests/system/legacy/tests.sh
new file mode 100755
index 0000000..44d3b11
--- /dev/null
+++ b/bin/tests/system/legacy/tests.sh
@@ -0,0 +1,269 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT} +tries=1 +time=2"
+
+# Check whether the SOA record for the name provided in $1 can be resolved by
+# ns1.  Return 0 if resolution succeeds as expected; return 1 otherwise.
+resolution_succeeds() {
+	_ret=0
+	$DIG $DIGOPTS +tcp +tries=3 +time=5 @10.53.0.1 ${1} SOA > dig.out.test$n || _ret=1
+	grep "status: NOERROR" dig.out.test$n > /dev/null || _ret=1
+	return $_ret
+}
+
+# Check whether the SOA record for the name provided in $1 can be resolved by
+# ns1.  Return 0 if resolution fails as expected; return 1 otherwise.  Note that
+# both a SERVFAIL response and timing out mean resolution failed, so the exit
+# code of dig does not influence the result (the exit code for a SERVFAIL
+# response is 0 while the exit code for not getting a response at all is not 0).
+resolution_fails() {
+	_servfail=0
+	_timeout=0
+	$DIG $DIGOPTS +tcp +time=5 @10.53.0.1 ${1} TXT > dig.out.test$n
+	grep -F "status: SERVFAIL" dig.out.test$n > /dev/null && _servfail=1
+	grep -F "timed out" dig.out.test$n > /dev/null && _timeout=1
+	if [ $_servfail -eq 1 ] || [ $_timeout -eq 1 ]; then
+		return 0
+	else
+		return 1
+	fi
+}
+
+status=0
+n=0
+
+n=$((n + 1))
+echo_i "checking formerr edns server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.8 ednsformerr soa > dig.out.1.test$n || ret=1
+grep "status: FORMERR" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noedns @10.53.0.8 ednsformerr soa > dig.out.2.test$n || ret=1
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to formerr edns server succeeds ($n)"
+ret=0
+resolution_succeeds ednsformerr. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking notimp edns server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.9 ednsnotimp soa > dig.out.1.test$n || ret=1
+grep "status: NOTIMP" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noedns @10.53.0.9 ednsnotimp soa > dig.out.2.test$n || ret=1
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to notimp edns server fails ($n)"
+ret=0
+resolution_fails ednsnotimp. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking refused edns server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.10 ednsrefused soa > dig.out.1.test$n || ret=1
+grep "status: REFUSED" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noedns @10.53.0.10 ednsrefused soa > dig.out.2.test$n || ret=1
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to refused edns server fails ($n)"
+ret=0
+resolution_fails ednsrefused. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking drop edns server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.2 dropedns soa > dig.out.1.test$n && ret=1
+grep "timed out" dig.out.1.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +noedns @10.53.0.2 dropedns soa > dig.out.2.test$n || ret=1
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +noedns +tcp @10.53.0.2 dropedns soa > dig.out.3.test$n || ret=1
+grep "status: NOERROR" dig.out.3.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.3.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +edns +tcp @10.53.0.2 dropedns soa > dig.out.4.test$n && ret=1
+grep "timed out" dig.out.4.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to drop edns server fails ($n)"
+ret=0
+resolution_fails dropedns. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking drop edns + no tcp server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.3 dropedns-notcp soa > dig.out.1.test$n && ret=1
+grep "timed out" dig.out.1.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +noedns +tcp @10.53.0.3 dropedns-notcp soa > dig.out.2.test$n && ret=1
+grep "connection refused" dig.out.2.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +noedns @10.53.0.3 dropedns-notcp soa > dig.out.3.test$n || ret=1
+grep "status: NOERROR" dig.out.3.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to drop edns + no tcp server fails ($n)"
+ret=0
+resolution_fails dropedns-notcp. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking plain dns server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.4 plain soa > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +edns +tcp @10.53.0.4 plain soa > dig.out.2.test$n
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to plain dns server succeeds ($n)"
+ret=0
+resolution_succeeds plain. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking plain dns + no tcp server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.5 plain-notcp soa > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null && ret=1
+$DIG $DIGOPTS +edns +tcp @10.53.0.5 plain-notcp soa > dig.out.2.test$n && ret=1
+grep "connection refused" dig.out.2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to plain dns + no tcp server succeeds ($n)"
+ret=0
+resolution_succeeds plain-notcp. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "checking edns 512 server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.6 edns512 txt > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +tcp @10.53.0.6 edns512 txt > dig.out.2.test$n || ret=1
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.2.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +dnssec @10.53.0.6 edns512 txt > dig.out.3.test$n && ret=1
+grep "timed out" dig.out.3.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.3.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +dnssec +bufsize=512 +ignore @10.53.0.6 edns512 soa > dig.out.4.test$n || ret=1
+grep "status: NOERROR" dig.out.4.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.4.test$n > /dev/null || ret=1
+grep "flags:.* tc[ ;]" dig.out.4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to edns 512 server succeeds ($n)"
+ret=0
+retry_quiet 3 resolution_succeeds edns512. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking edns 512 + no tcp server setup ($n)"
+ret=0
+$DIG $DIGOPTS +edns @10.53.0.7 edns512-notcp soa > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +tcp @10.53.0.7 edns512-notcp soa > dig.out.2.test$n && ret=1
+grep "connection refused" dig.out.2.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +dnssec @10.53.0.7 edns512-notcp soa > dig.out.3.test$n && ret=1
+grep "timed out" dig.out.3.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.3.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +edns +dnssec +bufsize=512 +ignore @10.53.0.7 edns512-notcp soa > dig.out.4.test$n || ret=1
+grep "status: NOERROR" dig.out.4.test$n > /dev/null || ret=1
+grep "EDNS: version:" dig.out.4.test$n > /dev/null || ret=1
+grep "flags:.* tc[ ;]" dig.out.4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to edns 512 + no tcp server fails ($n)"
+ret=0
+resolution_fails edns512-notcp. || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking recursive lookup to edns 512 + no tcp server does not cause query loops ($n)"
+ret=0
+sent=$(grep -c -F "sending packet to 10.53.0.7" ns1/named.run)
+if [ $sent -ge 10 ]; then
+	echo_i "ns1 sent $sent queries to ns7, expected less than 10"
+	ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+stop_server --use-rndc --port ${CONTROLPORT} ns1
+copy_setports ns1/named2.conf.in ns1/named.conf
+start_server --noclean --restart --port ${PORT} ns1
+
+n=$((n + 1))
+echo_i "checking recursive lookup to edns 512 + no tcp + trust anchor fails ($n)"
+# retry loop in case the server restart above causes transient failure
+for try in 0 1 2 3 4 5 6 7 8 9; do
+    ret=0
+    resolution_fails edns512-notcp. || ret=1
+    [ "$ret" -eq 0 ] && break
+    sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/legacy/tests_sh_legacy.py b/bin/tests/system/legacy/tests_sh_legacy.py
new file mode 100644
index 0000000..ded36f0
--- /dev/null
+++ b/bin/tests/system/legacy/tests_sh_legacy.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_legacy(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/limits/clean.sh b/bin/tests/system/limits/clean.sh
new file mode 100644
index 0000000..b69c695
--- /dev/null
+++ b/bin/tests/system/limits/clean.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after limits tests.
+#
+rm -f dig.out.*
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/limits/knowngood.dig.out.1000 b/bin/tests/system/limits/knowngood.dig.out.1000
new file mode 100644
index 0000000..3b7e01a
--- /dev/null
+++ b/bin/tests/system/limits/knowngood.dig.out.1000
@@ -0,0 +1,1023 @@
+
+; <<>> DiG 8.2 <<>> 1000.example. @10.53.0.1 a -p
+; (1 server found)
+;; res options: init recurs defnam dnsrch
+;; got answer:
+;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
+;; flags: qr aa rd ad; QUERY: 1, ANSWER: 1000, AUTHORITY: 1, ADDITIONAL: 1
+;; QUERY SECTION:
+;;	1000.example, type = A, class = IN
+
+;; ANSWER SECTION:
+1000.example.		5M IN A		10.0.0.0
+1000.example.		5M IN A		10.0.0.1
+1000.example.		5M IN A		10.0.0.2
+1000.example.		5M IN A		10.0.0.3
+1000.example.		5M IN A		10.0.0.4
+1000.example.		5M IN A		10.0.0.5
+1000.example.		5M IN A		10.0.0.6
+1000.example.		5M IN A		10.0.0.7
+1000.example.		5M IN A		10.0.0.8
+1000.example.		5M IN A		10.0.0.9
+1000.example.		5M IN A		10.0.0.10
+1000.example.		5M IN A		10.0.0.11
+1000.example.		5M IN A		10.0.0.12
+1000.example.		5M IN A		10.0.0.13
+1000.example.		5M IN A		10.0.0.14
+1000.example.		5M IN A		10.0.0.15
+1000.example.		5M IN A		10.0.0.16
+1000.example.		5M IN A		10.0.0.17
+1000.example.		5M IN A		10.0.0.18
+1000.example.		5M IN A		10.0.0.19
+1000.example.		5M IN A		10.0.0.20
+1000.example.		5M IN A		10.0.0.21
+1000.example.		5M IN A		10.0.0.22
+1000.example.		5M IN A		10.0.0.23
+1000.example.		5M IN A		10.0.0.24
+1000.example.		5M IN A		10.0.0.25
+1000.example.		5M IN A		10.0.0.26
+1000.example.		5M IN A		10.0.0.27
+1000.example.		5M IN A		10.0.0.28
+1000.example.		5M IN A		10.0.0.29
+1000.example.		5M IN A		10.0.0.30
+1000.example.		5M IN A		10.0.0.31
+1000.example.		5M IN A		10.0.0.32
+1000.example.		5M IN A		10.0.0.33
+1000.example.		5M IN A		10.0.0.34
+1000.example.		5M IN A		10.0.0.35
+1000.example.		5M IN A		10.0.0.36
+1000.example.		5M IN A		10.0.0.37
+1000.example.		5M IN A		10.0.0.38
+1000.example.		5M IN A		10.0.0.39
+1000.example.		5M IN A		10.0.0.40
+1000.example.		5M IN A		10.0.0.41
+1000.example.		5M IN A		10.0.0.42
+1000.example.		5M IN A		10.0.0.43
+1000.example.		5M IN A		10.0.0.44
+1000.example.		5M IN A		10.0.0.45
+1000.example.		5M IN A		10.0.0.46
+1000.example.		5M IN A		10.0.0.47
+1000.example.		5M IN A		10.0.0.48
+1000.example.		5M IN A		10.0.0.49
+1000.example.		5M IN A		10.0.0.50
+1000.example.		5M IN A		10.0.0.51
+1000.example.		5M IN A		10.0.0.52
+1000.example.		5M IN A		10.0.0.53
+1000.example.		5M IN A		10.0.0.54
+1000.example.		5M IN A		10.0.0.55
+1000.example.		5M IN A		10.0.0.56
+1000.example.		5M IN A		10.0.0.57
+1000.example.		5M IN A		10.0.0.58
+1000.example.		5M IN A		10.0.0.59
+1000.example.		5M IN A		10.0.0.60
+1000.example.		5M IN A		10.0.0.61
+1000.example.		5M IN A		10.0.0.62
+1000.example.		5M IN A		10.0.0.63
+1000.example.		5M IN A		10.0.0.64
+1000.example.		5M IN A		10.0.0.65
+1000.example.		5M IN A		10.0.0.66
+1000.example.		5M IN A		10.0.0.67
+1000.example.		5M IN A		10.0.0.68
+1000.example.		5M IN A		10.0.0.69
+1000.example.		5M IN A		10.0.0.70
+1000.example.		5M IN A		10.0.0.71
+1000.example.		5M IN A		10.0.0.72
+1000.example.		5M IN A		10.0.0.73
+1000.example.		5M IN A		10.0.0.74
+1000.example.		5M IN A		10.0.0.75
+1000.example.		5M IN A		10.0.0.76
+1000.example.		5M IN A		10.0.0.77
+1000.example.		5M IN A		10.0.0.78
+1000.example.		5M IN A		10.0.0.79
+1000.example.		5M IN A		10.0.0.80
+1000.example.		5M IN A		10.0.0.81
+1000.example.		5M IN A		10.0.0.82
+1000.example.		5M IN A		10.0.0.83
+1000.example.		5M IN A		10.0.0.84
+1000.example.		5M IN A		10.0.0.85
+1000.example.		5M IN A		10.0.0.86
+1000.example.		5M IN A		10.0.0.87
+1000.example.		5M IN A		10.0.0.88
+1000.example.		5M IN A		10.0.0.89
+1000.example.		5M IN A		10.0.0.90
+1000.example.		5M IN A		10.0.0.91
+1000.example.		5M IN A		10.0.0.92
+1000.example.		5M IN A		10.0.0.93
+1000.example.		5M IN A		10.0.0.94
+1000.example.		5M IN A		10.0.0.95
+1000.example.		5M IN A		10.0.0.96
+1000.example.		5M IN A		10.0.0.97
+1000.example.		5M IN A		10.0.0.98
+1000.example.		5M IN A		10.0.0.99
+1000.example.		5M IN A		10.0.0.100
+1000.example.		5M IN A		10.0.0.101
+1000.example.		5M IN A		10.0.0.102
+1000.example.		5M IN A		10.0.0.103
+1000.example.		5M IN A		10.0.0.104
+1000.example.		5M IN A		10.0.0.105
+1000.example.		5M IN A		10.0.0.106
+1000.example.		5M IN A		10.0.0.107
+1000.example.		5M IN A		10.0.0.108
+1000.example.		5M IN A		10.0.0.109
+1000.example.		5M IN A		10.0.0.110
+1000.example.		5M IN A		10.0.0.111
+1000.example.		5M IN A		10.0.0.112
+1000.example.		5M IN A		10.0.0.113
+1000.example.		5M IN A		10.0.0.114
+1000.example.		5M IN A		10.0.0.115
+1000.example.		5M IN A		10.0.0.116
+1000.example.		5M IN A		10.0.0.117
+1000.example.		5M IN A		10.0.0.118
+1000.example.		5M IN A		10.0.0.119
+1000.example.		5M IN A		10.0.0.120
+1000.example.		5M IN A		10.0.0.121
+1000.example.		5M IN A		10.0.0.122
+1000.example.		5M IN A		10.0.0.123
+1000.example.		5M IN A		10.0.0.124
+1000.example.		5M IN A		10.0.0.125
+1000.example.		5M IN A		10.0.0.126
+1000.example.		5M IN A		10.0.0.127
+1000.example.		5M IN A		10.0.0.128
+1000.example.		5M IN A		10.0.0.129
+1000.example.		5M IN A		10.0.0.130
+1000.example.		5M IN A		10.0.0.131
+1000.example.		5M IN A		10.0.0.132
+1000.example.		5M IN A		10.0.0.133
+1000.example.		5M IN A		10.0.0.134
+1000.example.		5M IN A		10.0.0.135
+1000.example.		5M IN A		10.0.0.136
+1000.example.		5M IN A		10.0.0.137
+1000.example.		5M IN A		10.0.0.138
+1000.example.		5M IN A		10.0.0.139
+1000.example.		5M IN A		10.0.0.140
+1000.example.		5M IN A		10.0.0.141
+1000.example.		5M IN A		10.0.0.142
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+1000.example.		5M IN A		10.0.3.117
+1000.example.		5M IN A		10.0.3.118
+1000.example.		5M IN A		10.0.3.119
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+1000.example.		5M IN A		10.0.3.209
+1000.example.		5M IN A		10.0.3.210
+1000.example.		5M IN A		10.0.3.211
+1000.example.		5M IN A		10.0.3.212
+1000.example.		5M IN A		10.0.3.213
+1000.example.		5M IN A		10.0.3.214
+1000.example.		5M IN A		10.0.3.215
+1000.example.		5M IN A		10.0.3.216
+1000.example.		5M IN A		10.0.3.217
+1000.example.		5M IN A		10.0.3.218
+1000.example.		5M IN A		10.0.3.219
+1000.example.		5M IN A		10.0.3.220
+1000.example.		5M IN A		10.0.3.221
+1000.example.		5M IN A		10.0.3.222
+1000.example.		5M IN A		10.0.3.223
+1000.example.		5M IN A		10.0.3.224
+1000.example.		5M IN A		10.0.3.225
+1000.example.		5M IN A		10.0.3.226
+1000.example.		5M IN A		10.0.3.227
+1000.example.		5M IN A		10.0.3.228
+1000.example.		5M IN A		10.0.3.229
+1000.example.		5M IN A		10.0.3.230
+1000.example.		5M IN A		10.0.3.231
+
+;; AUTHORITY SECTION:
+example.		5M IN NS	ns1.example.
+
+;; ADDITIONAL SECTION:
+ns1.example.		5M IN A		10.53.0.1
+
+;; Total query time: 69 msec
+;; FROM: draco to SERVER: 10.53.0.1
+;; WHEN: Fri Jun 23 12:58:14 2000
+;; MSG SIZE  sent: 30  rcvd: 16064
+
diff --git a/bin/tests/system/limits/knowngood.dig.out.2000 b/bin/tests/system/limits/knowngood.dig.out.2000
new file mode 100644
index 0000000..96c9181
--- /dev/null
+++ b/bin/tests/system/limits/knowngood.dig.out.2000
@@ -0,0 +1,2023 @@
+
+; <<>> DiG 8.2 <<>> 2000.example. @10.53.0.1 a -p
+; (1 server found)
+;; res options: init recurs defnam dnsrch
+;; got answer:
+;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
+;; flags: qr aa rd ad; QUERY: 1, ANSWER: 2000, AUTHORITY: 1, ADDITIONAL: 1
+;; QUERY SECTION:
+;;	2000.example, type = A, class = IN
+
+;; ANSWER SECTION:
+2000.example.		5M IN A		10.0.0.0
+2000.example.		5M IN A		10.0.0.1
+2000.example.		5M IN A		10.0.0.2
+2000.example.		5M IN A		10.0.0.3
+2000.example.		5M IN A		10.0.0.4
+2000.example.		5M IN A		10.0.0.5
+2000.example.		5M IN A		10.0.0.6
+2000.example.		5M IN A		10.0.0.7
+2000.example.		5M IN A		10.0.0.8
+2000.example.		5M IN A		10.0.0.9
+2000.example.		5M IN A		10.0.0.10
+2000.example.		5M IN A		10.0.0.11
+2000.example.		5M IN A		10.0.0.12
+2000.example.		5M IN A		10.0.0.13
+2000.example.		5M IN A		10.0.0.14
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+2000.example.		5M IN A		10.0.0.16
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+2000.example.		5M IN A		10.0.6.181
+2000.example.		5M IN A		10.0.6.182
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+2000.example.		5M IN A		10.0.6.185
+2000.example.		5M IN A		10.0.6.186
+2000.example.		5M IN A		10.0.6.187
+2000.example.		5M IN A		10.0.6.188
+2000.example.		5M IN A		10.0.6.189
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+2000.example.		5M IN A		10.0.6.200
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+2000.example.		5M IN A		10.0.6.252
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+2000.example.		5M IN A		10.0.6.255
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+2000.example.		5M IN A		10.0.7.2
+2000.example.		5M IN A		10.0.7.3
+2000.example.		5M IN A		10.0.7.4
+2000.example.		5M IN A		10.0.7.5
+2000.example.		5M IN A		10.0.7.6
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+2000.example.		5M IN A		10.0.7.8
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+2000.example.		5M IN A		10.0.7.188
+2000.example.		5M IN A		10.0.7.189
+2000.example.		5M IN A		10.0.7.190
+2000.example.		5M IN A		10.0.7.191
+2000.example.		5M IN A		10.0.7.192
+2000.example.		5M IN A		10.0.7.193
+2000.example.		5M IN A		10.0.7.194
+2000.example.		5M IN A		10.0.7.195
+2000.example.		5M IN A		10.0.7.196
+2000.example.		5M IN A		10.0.7.197
+2000.example.		5M IN A		10.0.7.198
+2000.example.		5M IN A		10.0.7.199
+2000.example.		5M IN A		10.0.7.200
+2000.example.		5M IN A		10.0.7.201
+2000.example.		5M IN A		10.0.7.202
+2000.example.		5M IN A		10.0.7.203
+2000.example.		5M IN A		10.0.7.204
+2000.example.		5M IN A		10.0.7.205
+2000.example.		5M IN A		10.0.7.206
+2000.example.		5M IN A		10.0.7.207
+
+;; AUTHORITY SECTION:
+example.		5M IN NS	ns1.example.
+
+;; ADDITIONAL SECTION:
+ns1.example.		5M IN A		10.53.0.1
+
+;; Total query time: 121 msec
+;; FROM: draco to SERVER: 10.53.0.1
+;; WHEN: Fri Jun 23 12:58:14 2000
+;; MSG SIZE  sent: 30  rcvd: 32068
+
diff --git a/bin/tests/system/limits/knowngood.dig.out.3000 b/bin/tests/system/limits/knowngood.dig.out.3000
new file mode 100644
index 0000000..1932475
--- /dev/null
+++ b/bin/tests/system/limits/knowngood.dig.out.3000
@@ -0,0 +1,3023 @@
+
+; <<>> DiG 8.2 <<>> 3000.example. @10.53.0.1 a -p
+; (1 server found)
+;; res options: init recurs defnam dnsrch
+;; got answer:
+;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
+;; flags: qr aa rd ad; QUERY: 1, ANSWER: 3000, AUTHORITY: 1, ADDITIONAL: 1
+;; QUERY SECTION:
+;;	3000.example, type = A, class = IN
+
+;; ANSWER SECTION:
+3000.example.		5M IN A		10.0.0.0
+3000.example.		5M IN A		10.0.0.1
+3000.example.		5M IN A		10.0.0.2
+3000.example.		5M IN A		10.0.0.3
+3000.example.		5M IN A		10.0.0.4
+3000.example.		5M IN A		10.0.0.5
+3000.example.		5M IN A		10.0.0.6
+3000.example.		5M IN A		10.0.0.7
+3000.example.		5M IN A		10.0.0.8
+3000.example.		5M IN A		10.0.0.9
+3000.example.		5M IN A		10.0.0.10
+3000.example.		5M IN A		10.0.0.11
+3000.example.		5M IN A		10.0.0.12
+3000.example.		5M IN A		10.0.0.13
+3000.example.		5M IN A		10.0.0.14
+3000.example.		5M IN A		10.0.0.15
+3000.example.		5M IN A		10.0.0.16
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+3000.example.		5M IN A		10.0.0.18
+3000.example.		5M IN A		10.0.0.19
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+3000.example.		5M IN A		10.0.0.27
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+3000.example.		5M IN A		10.0.0.37
+3000.example.		5M IN A		10.0.0.38
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+3000.example.		5M IN A		10.0.10.110
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+3000.example.		5M IN A		10.0.11.0
+3000.example.		5M IN A		10.0.11.1
+3000.example.		5M IN A		10.0.11.2
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+3000.example.		5M IN A		10.0.11.4
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+3000.example.		5M IN A		10.0.11.7
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+3000.example.		5M IN A		10.0.11.118
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+3000.example.		5M IN A		10.0.11.120
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+3000.example.		5M IN A		10.0.11.130
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+3000.example.		5M IN A		10.0.11.163
+3000.example.		5M IN A		10.0.11.164
+3000.example.		5M IN A		10.0.11.165
+3000.example.		5M IN A		10.0.11.166
+3000.example.		5M IN A		10.0.11.167
+3000.example.		5M IN A		10.0.11.168
+3000.example.		5M IN A		10.0.11.169
+3000.example.		5M IN A		10.0.11.170
+3000.example.		5M IN A		10.0.11.171
+3000.example.		5M IN A		10.0.11.172
+3000.example.		5M IN A		10.0.11.173
+3000.example.		5M IN A		10.0.11.174
+3000.example.		5M IN A		10.0.11.175
+3000.example.		5M IN A		10.0.11.176
+3000.example.		5M IN A		10.0.11.177
+3000.example.		5M IN A		10.0.11.178
+3000.example.		5M IN A		10.0.11.179
+3000.example.		5M IN A		10.0.11.180
+3000.example.		5M IN A		10.0.11.181
+3000.example.		5M IN A		10.0.11.182
+3000.example.		5M IN A		10.0.11.183
+
+;; AUTHORITY SECTION:
+example.		5M IN NS	ns1.example.
+
+;; ADDITIONAL SECTION:
+ns1.example.		5M IN A		10.53.0.1
+
+;; Total query time: 211 msec
+;; FROM: draco to SERVER: 10.53.0.1
+;; WHEN: Fri Jun 23 12:58:17 2000
+;; MSG SIZE  sent: 30  rcvd: 48068
+
diff --git a/bin/tests/system/limits/knowngood.dig.out.4000 b/bin/tests/system/limits/knowngood.dig.out.4000
new file mode 100644
index 0000000..8b109c8
--- /dev/null
+++ b/bin/tests/system/limits/knowngood.dig.out.4000
@@ -0,0 +1,4023 @@
+
+; <<>> DiG 8.2 <<>> 4000.example. @10.53.0.1 a -p
+; (1 server found)
+;; res options: init recurs defnam dnsrch
+;; got answer:
+;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
+;; flags: qr aa rd ad; QUERY: 1, ANSWER: 4000, AUTHORITY: 1, ADDITIONAL: 1
+;; QUERY SECTION:
+;;	4000.example, type = A, class = IN
+
+;; ANSWER SECTION:
+4000.example.		5M IN A		10.0.0.0
+4000.example.		5M IN A		10.0.0.1
+4000.example.		5M IN A		10.0.0.2
+4000.example.		5M IN A		10.0.0.3
+4000.example.		5M IN A		10.0.0.4
+4000.example.		5M IN A		10.0.0.5
+4000.example.		5M IN A		10.0.0.6
+4000.example.		5M IN A		10.0.0.7
+4000.example.		5M IN A		10.0.0.8
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+4000.example.		5M IN A		10.0.14.127
+4000.example.		5M IN A		10.0.14.128
+4000.example.		5M IN A		10.0.14.129
+4000.example.		5M IN A		10.0.14.130
+4000.example.		5M IN A		10.0.14.131
+4000.example.		5M IN A		10.0.14.132
+4000.example.		5M IN A		10.0.14.133
+4000.example.		5M IN A		10.0.14.134
+4000.example.		5M IN A		10.0.14.135
+4000.example.		5M IN A		10.0.14.136
+4000.example.		5M IN A		10.0.14.137
+4000.example.		5M IN A		10.0.14.138
+4000.example.		5M IN A		10.0.14.139
+4000.example.		5M IN A		10.0.14.140
+4000.example.		5M IN A		10.0.14.141
+4000.example.		5M IN A		10.0.14.142
+4000.example.		5M IN A		10.0.14.143
+4000.example.		5M IN A		10.0.14.144
+4000.example.		5M IN A		10.0.14.145
+4000.example.		5M IN A		10.0.14.146
+4000.example.		5M IN A		10.0.14.147
+4000.example.		5M IN A		10.0.14.148
+4000.example.		5M IN A		10.0.14.149
+4000.example.		5M IN A		10.0.14.150
+4000.example.		5M IN A		10.0.14.151
+4000.example.		5M IN A		10.0.14.152
+4000.example.		5M IN A		10.0.14.153
+4000.example.		5M IN A		10.0.14.154
+4000.example.		5M IN A		10.0.14.155
+4000.example.		5M IN A		10.0.14.156
+4000.example.		5M IN A		10.0.14.157
+4000.example.		5M IN A		10.0.14.158
+4000.example.		5M IN A		10.0.14.159
+4000.example.		5M IN A		10.0.14.160
+4000.example.		5M IN A		10.0.14.161
+4000.example.		5M IN A		10.0.14.162
+4000.example.		5M IN A		10.0.14.163
+4000.example.		5M IN A		10.0.14.164
+4000.example.		5M IN A		10.0.14.165
+4000.example.		5M IN A		10.0.14.166
+4000.example.		5M IN A		10.0.14.167
+4000.example.		5M IN A		10.0.14.168
+4000.example.		5M IN A		10.0.14.169
+4000.example.		5M IN A		10.0.14.170
+4000.example.		5M IN A		10.0.14.171
+4000.example.		5M IN A		10.0.14.172
+4000.example.		5M IN A		10.0.14.173
+4000.example.		5M IN A		10.0.14.174
+4000.example.		5M IN A		10.0.14.175
+4000.example.		5M IN A		10.0.14.176
+4000.example.		5M IN A		10.0.14.177
+4000.example.		5M IN A		10.0.14.178
+4000.example.		5M IN A		10.0.14.179
+4000.example.		5M IN A		10.0.14.180
+4000.example.		5M IN A		10.0.14.181
+4000.example.		5M IN A		10.0.14.182
+4000.example.		5M IN A		10.0.14.183
+4000.example.		5M IN A		10.0.14.184
+4000.example.		5M IN A		10.0.14.185
+4000.example.		5M IN A		10.0.14.186
+4000.example.		5M IN A		10.0.14.187
+4000.example.		5M IN A		10.0.14.188
+4000.example.		5M IN A		10.0.14.189
+4000.example.		5M IN A		10.0.14.190
+4000.example.		5M IN A		10.0.14.191
+4000.example.		5M IN A		10.0.14.192
+4000.example.		5M IN A		10.0.14.193
+4000.example.		5M IN A		10.0.14.194
+4000.example.		5M IN A		10.0.14.195
+4000.example.		5M IN A		10.0.14.196
+4000.example.		5M IN A		10.0.14.197
+4000.example.		5M IN A		10.0.14.198
+4000.example.		5M IN A		10.0.14.199
+4000.example.		5M IN A		10.0.14.200
+4000.example.		5M IN A		10.0.14.201
+4000.example.		5M IN A		10.0.14.202
+4000.example.		5M IN A		10.0.14.203
+4000.example.		5M IN A		10.0.14.204
+4000.example.		5M IN A		10.0.14.205
+4000.example.		5M IN A		10.0.14.206
+4000.example.		5M IN A		10.0.14.207
+4000.example.		5M IN A		10.0.14.208
+4000.example.		5M IN A		10.0.14.209
+4000.example.		5M IN A		10.0.14.210
+4000.example.		5M IN A		10.0.14.211
+4000.example.		5M IN A		10.0.14.212
+4000.example.		5M IN A		10.0.14.213
+4000.example.		5M IN A		10.0.14.214
+4000.example.		5M IN A		10.0.14.215
+4000.example.		5M IN A		10.0.14.216
+4000.example.		5M IN A		10.0.14.217
+4000.example.		5M IN A		10.0.14.218
+4000.example.		5M IN A		10.0.14.219
+4000.example.		5M IN A		10.0.14.220
+4000.example.		5M IN A		10.0.14.221
+4000.example.		5M IN A		10.0.14.222
+4000.example.		5M IN A		10.0.14.223
+4000.example.		5M IN A		10.0.14.224
+4000.example.		5M IN A		10.0.14.225
+4000.example.		5M IN A		10.0.14.226
+4000.example.		5M IN A		10.0.14.227
+4000.example.		5M IN A		10.0.14.228
+4000.example.		5M IN A		10.0.14.229
+4000.example.		5M IN A		10.0.14.230
+4000.example.		5M IN A		10.0.14.231
+4000.example.		5M IN A		10.0.14.232
+4000.example.		5M IN A		10.0.14.233
+4000.example.		5M IN A		10.0.14.234
+4000.example.		5M IN A		10.0.14.235
+4000.example.		5M IN A		10.0.14.236
+4000.example.		5M IN A		10.0.14.237
+4000.example.		5M IN A		10.0.14.238
+4000.example.		5M IN A		10.0.14.239
+4000.example.		5M IN A		10.0.14.240
+4000.example.		5M IN A		10.0.14.241
+4000.example.		5M IN A		10.0.14.242
+4000.example.		5M IN A		10.0.14.243
+4000.example.		5M IN A		10.0.14.244
+4000.example.		5M IN A		10.0.14.245
+4000.example.		5M IN A		10.0.14.246
+4000.example.		5M IN A		10.0.14.247
+4000.example.		5M IN A		10.0.14.248
+4000.example.		5M IN A		10.0.14.249
+4000.example.		5M IN A		10.0.14.250
+4000.example.		5M IN A		10.0.14.251
+4000.example.		5M IN A		10.0.14.252
+4000.example.		5M IN A		10.0.14.253
+4000.example.		5M IN A		10.0.14.254
+4000.example.		5M IN A		10.0.14.255
+4000.example.		5M IN A		10.0.15.0
+4000.example.		5M IN A		10.0.15.1
+4000.example.		5M IN A		10.0.15.2
+4000.example.		5M IN A		10.0.15.3
+4000.example.		5M IN A		10.0.15.4
+4000.example.		5M IN A		10.0.15.5
+4000.example.		5M IN A		10.0.15.6
+4000.example.		5M IN A		10.0.15.7
+4000.example.		5M IN A		10.0.15.8
+4000.example.		5M IN A		10.0.15.9
+4000.example.		5M IN A		10.0.15.10
+4000.example.		5M IN A		10.0.15.11
+4000.example.		5M IN A		10.0.15.12
+4000.example.		5M IN A		10.0.15.13
+4000.example.		5M IN A		10.0.15.14
+4000.example.		5M IN A		10.0.15.15
+4000.example.		5M IN A		10.0.15.16
+4000.example.		5M IN A		10.0.15.17
+4000.example.		5M IN A		10.0.15.18
+4000.example.		5M IN A		10.0.15.19
+4000.example.		5M IN A		10.0.15.20
+4000.example.		5M IN A		10.0.15.21
+4000.example.		5M IN A		10.0.15.22
+4000.example.		5M IN A		10.0.15.23
+4000.example.		5M IN A		10.0.15.24
+4000.example.		5M IN A		10.0.15.25
+4000.example.		5M IN A		10.0.15.26
+4000.example.		5M IN A		10.0.15.27
+4000.example.		5M IN A		10.0.15.28
+4000.example.		5M IN A		10.0.15.29
+4000.example.		5M IN A		10.0.15.30
+4000.example.		5M IN A		10.0.15.31
+4000.example.		5M IN A		10.0.15.32
+4000.example.		5M IN A		10.0.15.33
+4000.example.		5M IN A		10.0.15.34
+4000.example.		5M IN A		10.0.15.35
+4000.example.		5M IN A		10.0.15.36
+4000.example.		5M IN A		10.0.15.37
+4000.example.		5M IN A		10.0.15.38
+4000.example.		5M IN A		10.0.15.39
+4000.example.		5M IN A		10.0.15.40
+4000.example.		5M IN A		10.0.15.41
+4000.example.		5M IN A		10.0.15.42
+4000.example.		5M IN A		10.0.15.43
+4000.example.		5M IN A		10.0.15.44
+4000.example.		5M IN A		10.0.15.45
+4000.example.		5M IN A		10.0.15.46
+4000.example.		5M IN A		10.0.15.47
+4000.example.		5M IN A		10.0.15.48
+4000.example.		5M IN A		10.0.15.49
+4000.example.		5M IN A		10.0.15.50
+4000.example.		5M IN A		10.0.15.51
+4000.example.		5M IN A		10.0.15.52
+4000.example.		5M IN A		10.0.15.53
+4000.example.		5M IN A		10.0.15.54
+4000.example.		5M IN A		10.0.15.55
+4000.example.		5M IN A		10.0.15.56
+4000.example.		5M IN A		10.0.15.57
+4000.example.		5M IN A		10.0.15.58
+4000.example.		5M IN A		10.0.15.59
+4000.example.		5M IN A		10.0.15.60
+4000.example.		5M IN A		10.0.15.61
+4000.example.		5M IN A		10.0.15.62
+4000.example.		5M IN A		10.0.15.63
+4000.example.		5M IN A		10.0.15.64
+4000.example.		5M IN A		10.0.15.65
+4000.example.		5M IN A		10.0.15.66
+4000.example.		5M IN A		10.0.15.67
+4000.example.		5M IN A		10.0.15.68
+4000.example.		5M IN A		10.0.15.69
+4000.example.		5M IN A		10.0.15.70
+4000.example.		5M IN A		10.0.15.71
+4000.example.		5M IN A		10.0.15.72
+4000.example.		5M IN A		10.0.15.73
+4000.example.		5M IN A		10.0.15.74
+4000.example.		5M IN A		10.0.15.75
+4000.example.		5M IN A		10.0.15.76
+4000.example.		5M IN A		10.0.15.77
+4000.example.		5M IN A		10.0.15.78
+4000.example.		5M IN A		10.0.15.79
+4000.example.		5M IN A		10.0.15.80
+4000.example.		5M IN A		10.0.15.81
+4000.example.		5M IN A		10.0.15.82
+4000.example.		5M IN A		10.0.15.83
+4000.example.		5M IN A		10.0.15.84
+4000.example.		5M IN A		10.0.15.85
+4000.example.		5M IN A		10.0.15.86
+4000.example.		5M IN A		10.0.15.87
+4000.example.		5M IN A		10.0.15.88
+4000.example.		5M IN A		10.0.15.89
+4000.example.		5M IN A		10.0.15.90
+4000.example.		5M IN A		10.0.15.91
+4000.example.		5M IN A		10.0.15.92
+4000.example.		5M IN A		10.0.15.93
+4000.example.		5M IN A		10.0.15.94
+4000.example.		5M IN A		10.0.15.95
+4000.example.		5M IN A		10.0.15.96
+4000.example.		5M IN A		10.0.15.97
+4000.example.		5M IN A		10.0.15.98
+4000.example.		5M IN A		10.0.15.99
+4000.example.		5M IN A		10.0.15.100
+4000.example.		5M IN A		10.0.15.101
+4000.example.		5M IN A		10.0.15.102
+4000.example.		5M IN A		10.0.15.103
+4000.example.		5M IN A		10.0.15.104
+4000.example.		5M IN A		10.0.15.105
+4000.example.		5M IN A		10.0.15.106
+4000.example.		5M IN A		10.0.15.107
+4000.example.		5M IN A		10.0.15.108
+4000.example.		5M IN A		10.0.15.109
+4000.example.		5M IN A		10.0.15.110
+4000.example.		5M IN A		10.0.15.111
+4000.example.		5M IN A		10.0.15.112
+4000.example.		5M IN A		10.0.15.113
+4000.example.		5M IN A		10.0.15.114
+4000.example.		5M IN A		10.0.15.115
+4000.example.		5M IN A		10.0.15.116
+4000.example.		5M IN A		10.0.15.117
+4000.example.		5M IN A		10.0.15.118
+4000.example.		5M IN A		10.0.15.119
+4000.example.		5M IN A		10.0.15.120
+4000.example.		5M IN A		10.0.15.121
+4000.example.		5M IN A		10.0.15.122
+4000.example.		5M IN A		10.0.15.123
+4000.example.		5M IN A		10.0.15.124
+4000.example.		5M IN A		10.0.15.125
+4000.example.		5M IN A		10.0.15.126
+4000.example.		5M IN A		10.0.15.127
+4000.example.		5M IN A		10.0.15.128
+4000.example.		5M IN A		10.0.15.129
+4000.example.		5M IN A		10.0.15.130
+4000.example.		5M IN A		10.0.15.131
+4000.example.		5M IN A		10.0.15.132
+4000.example.		5M IN A		10.0.15.133
+4000.example.		5M IN A		10.0.15.134
+4000.example.		5M IN A		10.0.15.135
+4000.example.		5M IN A		10.0.15.136
+4000.example.		5M IN A		10.0.15.137
+4000.example.		5M IN A		10.0.15.138
+4000.example.		5M IN A		10.0.15.139
+4000.example.		5M IN A		10.0.15.140
+4000.example.		5M IN A		10.0.15.141
+4000.example.		5M IN A		10.0.15.142
+4000.example.		5M IN A		10.0.15.143
+4000.example.		5M IN A		10.0.15.144
+4000.example.		5M IN A		10.0.15.145
+4000.example.		5M IN A		10.0.15.146
+4000.example.		5M IN A		10.0.15.147
+4000.example.		5M IN A		10.0.15.148
+4000.example.		5M IN A		10.0.15.149
+4000.example.		5M IN A		10.0.15.150
+4000.example.		5M IN A		10.0.15.151
+4000.example.		5M IN A		10.0.15.152
+4000.example.		5M IN A		10.0.15.153
+4000.example.		5M IN A		10.0.15.154
+4000.example.		5M IN A		10.0.15.155
+4000.example.		5M IN A		10.0.15.156
+4000.example.		5M IN A		10.0.15.157
+4000.example.		5M IN A		10.0.15.158
+4000.example.		5M IN A		10.0.15.159
+
+;; AUTHORITY SECTION:
+example.		5M IN NS	ns1.example.
+
+;; ADDITIONAL SECTION:
+ns1.example.		5M IN A		10.53.0.1
+
+;; Total query time: 279 msec
+;; FROM: draco to SERVER: 10.53.0.1
+;; WHEN: Fri Jun 23 12:58:20 2000
+;; MSG SIZE  sent: 30  rcvd: 64068
+
diff --git a/bin/tests/system/limits/knowngood.dig.out.a-maximum-rrset b/bin/tests/system/limits/knowngood.dig.out.a-maximum-rrset
new file mode 100644
index 0000000..1688e83
--- /dev/null
+++ b/bin/tests/system/limits/knowngood.dig.out.a-maximum-rrset
@@ -0,0 +1,4114 @@
+
+; <<>> DiG 8.2 <<>> a-maximum-rrset.example. @10.53.0.1 a -p
+; (1 server found)
+;; res options: init recurs defnam dnsrch
+;; got answer:
+;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
+;; flags: qr aa rd ad; QUERY: 1, ANSWER: 4091, AUTHORITY: 1, ADDITIONAL: 1
+;; QUERY SECTION:
+;;	a-maximum-rrset.example, type = A, class = IN
+
+;; ANSWER SECTION:
+a-maximum-rrset.example.  5M IN A  10.0.0.0
+a-maximum-rrset.example.  5M IN A  10.0.0.1
+a-maximum-rrset.example.  5M IN A  10.0.0.2
+a-maximum-rrset.example.  5M IN A  10.0.0.3
+a-maximum-rrset.example.  5M IN A  10.0.0.4
+a-maximum-rrset.example.  5M IN A  10.0.0.5
+a-maximum-rrset.example.  5M IN A  10.0.0.6
+a-maximum-rrset.example.  5M IN A  10.0.0.7
+a-maximum-rrset.example.  5M IN A  10.0.0.8
+a-maximum-rrset.example.  5M IN A  10.0.0.9
+a-maximum-rrset.example.  5M IN A  10.0.0.10
+a-maximum-rrset.example.  5M IN A  10.0.0.11
+a-maximum-rrset.example.  5M IN A  10.0.0.12
+a-maximum-rrset.example.  5M IN A  10.0.0.13
+a-maximum-rrset.example.  5M IN A  10.0.0.14
+a-maximum-rrset.example.  5M IN A  10.0.0.15
+a-maximum-rrset.example.  5M IN A  10.0.0.16
+a-maximum-rrset.example.  5M IN A  10.0.0.17
+a-maximum-rrset.example.  5M IN A  10.0.0.18
+a-maximum-rrset.example.  5M IN A  10.0.0.19
+a-maximum-rrset.example.  5M IN A  10.0.0.20
+a-maximum-rrset.example.  5M IN A  10.0.0.21
+a-maximum-rrset.example.  5M IN A  10.0.0.22
+a-maximum-rrset.example.  5M IN A  10.0.0.23
+a-maximum-rrset.example.  5M IN A  10.0.0.24
+a-maximum-rrset.example.  5M IN A  10.0.0.25
+a-maximum-rrset.example.  5M IN A  10.0.0.26
+a-maximum-rrset.example.  5M IN A  10.0.0.27
+a-maximum-rrset.example.  5M IN A  10.0.0.28
+a-maximum-rrset.example.  5M IN A  10.0.0.29
+a-maximum-rrset.example.  5M IN A  10.0.0.30
+a-maximum-rrset.example.  5M IN A  10.0.0.31
+a-maximum-rrset.example.  5M IN A  10.0.0.32
+a-maximum-rrset.example.  5M IN A  10.0.0.33
+a-maximum-rrset.example.  5M IN A  10.0.0.34
+a-maximum-rrset.example.  5M IN A  10.0.0.35
+a-maximum-rrset.example.  5M IN A  10.0.0.36
+a-maximum-rrset.example.  5M IN A  10.0.0.37
+a-maximum-rrset.example.  5M IN A  10.0.0.38
+a-maximum-rrset.example.  5M IN A  10.0.0.39
+a-maximum-rrset.example.  5M IN A  10.0.0.40
+a-maximum-rrset.example.  5M IN A  10.0.0.41
+a-maximum-rrset.example.  5M IN A  10.0.0.42
+a-maximum-rrset.example.  5M IN A  10.0.0.43
+a-maximum-rrset.example.  5M IN A  10.0.0.44
+a-maximum-rrset.example.  5M IN A  10.0.0.45
+a-maximum-rrset.example.  5M IN A  10.0.0.46
+a-maximum-rrset.example.  5M IN A  10.0.0.47
+a-maximum-rrset.example.  5M IN A  10.0.0.48
+a-maximum-rrset.example.  5M IN A  10.0.0.49
+a-maximum-rrset.example.  5M IN A  10.0.0.50
+a-maximum-rrset.example.  5M IN A  10.0.0.51
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+a-maximum-rrset.example.  5M IN A  10.0.15.119
+a-maximum-rrset.example.  5M IN A  10.0.15.120
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+a-maximum-rrset.example.  5M IN A  10.1.0.84
+a-maximum-rrset.example.  5M IN A  10.1.0.85
+a-maximum-rrset.example.  5M IN A  10.1.0.86
+a-maximum-rrset.example.  5M IN A  10.1.0.87
+a-maximum-rrset.example.  5M IN A  10.1.0.88
+a-maximum-rrset.example.  5M IN A  10.1.0.89
+a-maximum-rrset.example.  5M IN A  10.1.0.90
+
+;; AUTHORITY SECTION:
+example.		5M IN NS	ns1.example.
+
+;; ADDITIONAL SECTION:
+ns1.example.		5M IN A		10.53.0.1
+
+;; Total query time: 308 msec
+;; FROM: draco to SERVER: 10.53.0.1
+;; WHEN: Fri Jun 23 12:58:22 2000
+;; MSG SIZE  sent: 41  rcvd: 65535
+
diff --git a/bin/tests/system/limits/ns1/example.db b/bin/tests/system/limits/ns1/example.db
new file mode 100644
index 0000000..8998018
--- /dev/null
+++ b/bin/tests/system/limits/ns1/example.db
@@ -0,0 +1,19112 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300        ; 5 minutes
+@                 IN SOA  ns1.example. hostmaster.example. (
+                                2000042795 ; serial
+                                20         ; refresh (20 seconds)
+                                20         ; retry (20 seconds)
+                                1814400    ; expire (3 weeks)
+                                3600       ; minimum (1 hour)
+                                )
+@                NS      ns1.example.
+ns1           A       10.53.0.1
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+	A	10.0.13.204
+	A	10.0.13.205
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+	A	10.0.13.233
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+	A	10.0.13.236
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+	A	10.0.13.241
+	A	10.0.13.242
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+	A	10.0.13.254
+	A	10.0.13.255
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+	A	10.0.14.3
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+	A	10.0.14.5
+	A	10.0.14.6
+	A	10.0.14.7
+	A	10.0.14.8
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+	A	10.0.14.103
+	A	10.0.14.104
+	A	10.0.14.105
+	A	10.0.14.106
+	A	10.0.14.107
+	A	10.0.14.108
+	A	10.0.14.109
+	A	10.0.14.110
+	A	10.0.14.111
+	A	10.0.14.112
+	A	10.0.14.113
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+	A	10.0.14.115
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+	A	10.0.14.117
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+	A	10.0.14.121
+	A	10.0.14.122
+	A	10.0.14.123
+	A	10.0.14.124
+	A	10.0.14.125
+	A	10.0.14.126
+	A	10.0.14.127
+	A	10.0.14.128
+	A	10.0.14.129
+	A	10.0.14.130
+	A	10.0.14.131
+	A	10.0.14.132
+	A	10.0.14.133
+	A	10.0.14.134
+	A	10.0.14.135
+	A	10.0.14.136
+	A	10.0.14.137
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+	A	10.0.14.139
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+	A	10.0.14.147
+	A	10.0.14.148
+	A	10.0.14.149
+	A	10.0.14.150
+	A	10.0.14.151
+	A	10.0.14.152
+	A	10.0.14.153
+	A	10.0.14.154
+	A	10.0.14.155
+	A	10.0.14.156
+	A	10.0.14.157
+	A	10.0.14.158
+	A	10.0.14.159
+	A	10.0.14.160
+	A	10.0.14.161
+	A	10.0.14.162
+	A	10.0.14.163
+	A	10.0.14.164
+	A	10.0.14.165
+	A	10.0.14.166
+	A	10.0.14.167
+	A	10.0.14.168
+	A	10.0.14.169
+	A	10.0.14.170
+	A	10.0.14.171
+	A	10.0.14.172
+	A	10.0.14.173
+	A	10.0.14.174
+	A	10.0.14.175
+	A	10.0.14.176
+	A	10.0.14.177
+	A	10.0.14.178
+	A	10.0.14.179
+	A	10.0.14.180
+	A	10.0.14.181
+	A	10.0.14.182
+	A	10.0.14.183
+	A	10.0.14.184
+	A	10.0.14.185
+	A	10.0.14.186
+	A	10.0.14.187
+	A	10.0.14.188
+	A	10.0.14.189
+	A	10.0.14.190
+	A	10.0.14.191
+	A	10.0.14.192
+	A	10.0.14.193
+	A	10.0.14.194
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+	A	10.0.15.4
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+	A	10.0.15.156
+	A	10.0.15.157
+	A	10.0.15.158
+	A	10.0.15.159
+	A	10.1.0.0
+	A	10.1.0.1
+	A	10.1.0.2
+	A	10.1.0.3
+	A	10.1.0.4
+	A	10.1.0.5
+	A	10.1.0.6
+	A	10.1.0.7
+	A	10.1.0.8
+	A	10.1.0.9
+	A	10.1.0.10
+	A	10.1.0.11
+	A	10.1.0.12
+	A	10.1.0.13
+	A	10.1.0.14
+	A	10.1.0.15
+	A	10.1.0.16
+	A	10.1.0.17
+	A	10.1.0.18
+	A	10.1.0.19
+	A	10.1.0.20
+	A	10.1.0.21
+	A	10.1.0.22
+	A	10.1.0.23
+	A	10.1.0.24
+	A	10.1.0.25
+	A	10.1.0.26
+	A	10.1.0.27
+	A	10.1.0.28
+	A	10.1.0.29
+	A	10.1.0.30
+	A	10.1.0.31
+	A	10.1.0.32
+	A	10.1.0.33
+	A	10.1.0.34
+	A	10.1.0.35
+	A	10.1.0.36
+	A	10.1.0.37
+	A	10.1.0.38
+	A	10.1.0.39
+	A	10.1.0.40
+	A	10.1.0.41
+	A	10.1.0.42
+	A	10.1.0.43
+	A	10.1.0.44
+	A	10.1.0.45
+	A	10.1.0.46
+	A	10.1.0.47
+	A	10.1.0.48
+	A	10.1.0.49
+	A	10.1.0.50
+	A	10.1.0.51
+	A	10.1.0.52
+	A	10.1.0.53
+	A	10.1.0.54
+	A	10.1.0.55
+	A	10.1.0.56
+	A	10.1.0.57
+	A	10.1.0.58
+	A	10.1.0.59
+	A	10.1.0.60
+	A	10.1.0.61
+	A	10.1.0.62
+	A	10.1.0.63
+	A	10.1.0.64
+	A	10.1.0.65
+	A	10.1.0.66
+	A	10.1.0.67
+	A	10.1.0.68
+	A	10.1.0.69
+	A	10.1.0.70
+	A	10.1.0.71
+	A	10.1.0.72
+	A	10.1.0.73
+	A	10.1.0.74
+	A	10.1.0.75
+	A	10.1.0.76
+	A	10.1.0.77
+	A	10.1.0.78
+	A	10.1.0.79
+	A	10.1.0.80
+	A	10.1.0.81
+	A	10.1.0.82
+	A	10.1.0.83
+	A	10.1.0.84
+	A	10.1.0.85
+	A	10.1.0.86
+	A	10.1.0.87
+	A	10.1.0.88
+	A	10.1.0.89
+	A	10.1.0.90
diff --git a/bin/tests/system/limits/ns1/named.conf.in b/bin/tests/system/limits/ns1/named.conf.in
new file mode 100644
index 0000000..780f9e2
--- /dev/null
+++ b/bin/tests/system/limits/ns1/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	minimal-responses no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/limits/ns1/root.db b/bin/tests/system/limits/ns1/root.db
new file mode 100644
index 0000000..b93cf32
--- /dev/null
+++ b/bin/tests/system/limits/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns1.example.
+ns1.example.		A	10.53.0.1
diff --git a/bin/tests/system/limits/setup.sh b/bin/tests/system/limits/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/limits/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/limits/tests.sh b/bin/tests/system/limits/tests.sh
new file mode 100644
index 0000000..f2cf0fb
--- /dev/null
+++ b/bin/tests/system/limits/tests.sh
@@ -0,0 +1,57 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+
+status=0
+
+echo_i "1000 A records"
+$DIG $DIGOPTS +tcp +norec 1000.example. @10.53.0.1 a > dig.out.1000 || status=1
+# $DIG $DIGOPTS 1000.example. @10.53.0.1 a > knowngood.dig.out.1000
+digcomp knowngood.dig.out.1000 dig.out.1000 || status=1
+
+echo_i "2000 A records"
+$DIG $DIGOPTS +tcp +norec 2000.example. @10.53.0.1 a > dig.out.2000 || status=1
+# $DIG $DIGOPTS 2000.example. @10.53.0.1 a > knowngood.dig.out.2000
+digcomp knowngood.dig.out.2000 dig.out.2000 || status=1
+
+echo_i "3000 A records"
+$DIG $DIGOPTS +tcp +norec 3000.example. @10.53.0.1 a > dig.out.3000 || status=1
+# $DIG $DIGOPTS 3000.example. @10.53.0.1 a > knowngood.dig.out.3000
+digcomp knowngood.dig.out.3000 dig.out.3000 || status=1
+
+echo_i "4000 A records"
+$DIG $DIGOPTS +tcp +norec 4000.example. @10.53.0.1 a > dig.out.4000 || status=1
+# $DIG $DIGOPTS 4000.example. @10.53.0.1 a > knowngood.dig.out.4000
+digcomp knowngood.dig.out.4000 dig.out.4000 || status=1
+
+echo_i "exactly maximum rrset"
+$DIG $DIGOPTS +tcp +norec +noedns a-maximum-rrset.example. @10.53.0.1 a > dig.out.a-maximum-rrset \
+	|| status=1
+# $DIG $DIGOPTS a-maximum-rrset.example. @10.53.0.1 a > knowngood.dig.out.a-maximum-rrset
+digcomp knowngood.dig.out.a-maximum-rrset dig.out.a-maximum-rrset || status=1
+
+echo_i "exceed maximum rrset (5000 A records)"
+$DIG $DIGOPTS +tcp +norec +noadd 5000.example. @10.53.0.1 a > dig.out.exceed || status=1
+# Look for truncation bit (tc).
+grep 'flags: .*tc.*;' dig.out.exceed > /dev/null || {
+    echo_i "TC bit was not set"
+    status=1
+}
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/limits/tests_sh_limits.py b/bin/tests/system/limits/tests_sh_limits.py
new file mode 100644
index 0000000..c7fb5ba
--- /dev/null
+++ b/bin/tests/system/limits/tests_sh_limits.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_limits(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/logfileconfig/clean.sh b/bin/tests/system/logfileconfig/clean.sh
new file mode 100644
index 0000000..befbcfe
--- /dev/null
+++ b/bin/tests/system/logfileconfig/clean.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after log file tests
+#
+rm -f ns1/named.conf
+rm -f ns1/named.args
+rm -f ns1/named.pid ns1/named.run ns1/named.run.prev
+rm -f ns1/named.memstats ns1/dig.out
+rm -f ns1/named_log ns1/named_pipe ns1/named_sym
+rm -rf ns1/named_dir
+rm -f ns1/named_deflog
+rm -f ns*/named.lock
+rm -f ns1/query_log
+rm -f ns1/named_iso8601
+rm -f ns1/named_iso8601_utc
+rm -f ns1/rndc.out.test*
+rm -f ns1/dig.out.test*
+rm -f ns1/named_vers
+rm -f ns1/named_vers.*
+rm -f ns1/named_ts
+rm -f ns1/named_ts.*
+rm -f ns1/named_inc
+rm -f ns1/named_inc.*
+rm -f ns1/named_unlimited
+rm -f ns1/named_unlimited.*
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/logfileconfig/named1.args b/bin/tests/system/logfileconfig/named1.args
new file mode 100644
index 0000000..764d4c9
--- /dev/null
+++ b/bin/tests/system/logfileconfig/named1.args
@@ -0,0 +1 @@
+-c named.conf -m record -T nosyslog -d 99 -D logfileconfig-ns1 -X named.lock -U 4
diff --git a/bin/tests/system/logfileconfig/named2.args b/bin/tests/system/logfileconfig/named2.args
new file mode 100644
index 0000000..fb9fe57
--- /dev/null
+++ b/bin/tests/system/logfileconfig/named2.args
@@ -0,0 +1 @@
+-c named.conf -m record -T nosyslog -d 99 -D logfileconfig-ns1 -X named.lock -U 4 -L named_deflog
diff --git a/bin/tests/system/logfileconfig/ns1/named.abspathconf.in b/bin/tests/system/logfileconfig/ns1/named.abspathconf.in
new file mode 100644
index 0000000..fdf8a8a
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.abspathconf.in
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+logging {
+	channel default_log {
+	  buffered no;
+	  file "@TMPDIR@/example.log" versions 1 size 1k suffix increment; # small size
+	  severity debug 100;
+	  print-time yes;
+	};
+	category default { default_log; default_debug; };
+	category lame-servers { null; };
+
+	channel query_log {
+	  file "query_log";
+	  print-time yes;
+	  buffered yes;
+	};
+	category queries { query_log; };
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm hmac-sha256;
+};
diff --git a/bin/tests/system/logfileconfig/ns1/named.dirconf.in b/bin/tests/system/logfileconfig/ns1/named.dirconf.in
new file mode 100644
index 0000000..d6ee134
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.dirconf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+logging {
+	channel default_log {
+	  file "/tmp";
+	  print-time yes;
+	};
+	category default { default_log; default_debug; };
+	category lame-servers { null; };
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/logfileconfig/ns1/named.incconf.in b/bin/tests/system/logfileconfig/ns1/named.incconf.in
new file mode 100644
index 0000000..d398c33
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.incconf.in
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+logging {
+	channel default_log {
+	  buffered no;
+	  file "named_inc" versions 1 size 1k suffix increment; # small size
+	  severity debug 100;
+	  print-time yes;
+	};
+	category default { default_log; default_debug; };
+	category lame-servers { null; };
+
+	channel query_log {
+	  file "query_log";
+	  print-time yes;
+	  buffered yes;
+	};
+	category queries { query_log; };
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm hmac-sha256;
+};
diff --git a/bin/tests/system/logfileconfig/ns1/named.iso8601-utc.in b/bin/tests/system/logfileconfig/ns1/named.iso8601-utc.in
new file mode 100644
index 0000000..6ac14df
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.iso8601-utc.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+logging {
+	channel default_log {
+		file "named_iso8601_utc";
+		print-time iso8601-utc;
+		severity debug 9;
+	};
+	category default { default_log; default_debug; };
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/logfileconfig/ns1/named.iso8601.in b/bin/tests/system/logfileconfig/ns1/named.iso8601.in
new file mode 100644
index 0000000..5a1bd5e
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.iso8601.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+logging {
+	channel default_log {
+		file "named_iso8601";
+		print-time iso8601;
+		severity debug 9;
+	};
+	category default { default_log; default_debug; };
+};
+
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/logfileconfig/ns1/named.pipeconf.in b/bin/tests/system/logfileconfig/ns1/named.pipeconf.in
new file mode 100644
index 0000000..8f2ec63
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.pipeconf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+logging {
+	channel default_log {
+	  file "named_pipe";
+	  print-time yes;
+	};
+	category default { default_log; default_debug; };
+	category lame-servers { null; };
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/logfileconfig/ns1/named.plain.in b/bin/tests/system/logfileconfig/ns1/named.plain.in
new file mode 100644
index 0000000..f31906b
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.plain.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+logging {
+	channel default_log {
+	  file "named_log";
+	  print-time yes;
+	};
+	category default { default_log; default_debug; };
+	category lame-servers { null; };
+
+	channel query_log {
+	  file "query_log";
+	  print-time yes;
+	  buffered yes;
+	};
+	category queries { query_log; };
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/logfileconfig/ns1/named.plainconf.in b/bin/tests/system/logfileconfig/ns1/named.plainconf.in
new file mode 100644
index 0000000..d8dd5f5
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.plainconf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/logfileconfig/ns1/named.symconf.in b/bin/tests/system/logfileconfig/ns1/named.symconf.in
new file mode 100644
index 0000000..9603365
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.symconf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+logging {
+	channel default_log {
+	  file "named_sym";
+	  print-time yes;
+	};
+	category default { default_log; default_debug; };
+	category lame-servers { null; };
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/logfileconfig/ns1/named.tsconf.in b/bin/tests/system/logfileconfig/ns1/named.tsconf.in
new file mode 100644
index 0000000..7f76195
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.tsconf.in
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+logging {
+	channel default_log {
+	  buffered no;
+	  file "named_ts" versions 3 size 1000 suffix timestamp; # small size
+	  severity debug 100;
+	  print-time yes;
+	};
+	category default { default_log; default_debug; };
+	category lame-servers { null; };
+
+	channel query_log {
+	  file "query_log";
+	  print-time yes;
+	  buffered yes;
+	};
+	category queries { query_log; };
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/logfileconfig/ns1/named.unlimited.in b/bin/tests/system/logfileconfig/ns1/named.unlimited.in
new file mode 100644
index 0000000..f806edd
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.unlimited.in
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+logging {
+	channel default_log {
+	  buffered no;
+	  file "named_unlimited" versions unlimited size 1000;
+	  severity debug 100;
+	  print-time yes;
+	};
+	category default { default_log; default_debug; };
+	category lame-servers { null; };
+
+	channel query_log {
+	  file "query_log";
+	  print-time yes;
+	  buffered yes;
+	};
+	category queries { query_log; };
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/logfileconfig/ns1/named.versconf.in b/bin/tests/system/logfileconfig/ns1/named.versconf.in
new file mode 100644
index 0000000..c30d8a3
--- /dev/null
+++ b/bin/tests/system/logfileconfig/ns1/named.versconf.in
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify yes;
+};
+
+logging {
+	channel default_log {
+	  buffered no;
+	  file "named_vers" versions 5 size 1000;	// really small size
+	  severity debug 100;
+	  print-time yes;
+	};
+	category default { default_log; default_debug; };
+	category lame-servers { null; };
+
+	channel query_log {
+	  file "query_log";
+	  print-time yes;
+	  buffered yes;
+	};
+	category queries { query_log; };
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { "rndc-key"; };
+};
+
+key rndc-key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
diff --git a/bin/tests/system/logfileconfig/setup.sh b/bin/tests/system/logfileconfig/setup.sh
new file mode 100644
index 0000000..7ad9bb0
--- /dev/null
+++ b/bin/tests/system/logfileconfig/setup.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.plain.in ns1/named.conf
diff --git a/bin/tests/system/logfileconfig/tests.sh b/bin/tests/system/logfileconfig/tests.sh
new file mode 100644
index 0000000..d12fd06
--- /dev/null
+++ b/bin/tests/system/logfileconfig/tests.sh
@@ -0,0 +1,297 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+# Test given condition.  If true, test again after a second.  Used for testing
+# filesystem-dependent conditions in order to prevent false negatives caused by
+# directory contents not being synchronized immediately after rename() returns.
+test_with_retry() {
+	if test "$@"; then
+		sleep 1
+		if test "$@"; then
+			return 0
+		fi
+	fi
+	return 1
+}
+
+status=0
+n=0
+
+# First run with a known good config.
+n=$((n+1))
+echo_i "testing log file validity (only plain files allowed) ($n)"
+ret=0
+cat /dev/null > ns1/named_log
+copy_setports ns1/named.plainconf.in ns1/named.conf
+nextpart ns1/named.run > /dev/null
+rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+wait_for_log 5 "reloading configuration succeeded" ns1/named.run || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Now try directory, expect failure
+n=$((n+1))
+echo_i "testing directory as log file ($n)"
+ret=0
+nextpart ns1/named.run > /dev/null
+copy_setports ns1/named.dirconf.in ns1/named.conf
+rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+wait_for_log 5 "reloading configuration failed: invalid file" ns1/named.run || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Now try pipe file, expect failure
+n=$((n+1))
+echo_i "testing pipe file as log file ($n)"
+ret=0
+nextpart ns1/named.run > /dev/null
+rm -f ns1/named_pipe
+if mkfifo ns1/named_pipe >/dev/null 2>&1; then
+    copy_setports ns1/named.pipeconf.in ns1/named.conf
+    rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+    wait_for_log 5 "reloading configuration failed: invalid file" ns1/named.run || ret=1
+    if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+else
+    echo_i "skipping pipe test (unable to create pipe)"
+fi
+
+# Now try symlink file to plain file, expect success
+n=$((n+1))
+echo_i "testing symlink to plain file as log file ($n)"
+ret=0
+rm -f ns1/named_log ns1/named_sym
+touch ns1/named_log
+if ln -s $(pwd)/ns1/named_log $(pwd)/ns1/named_sym >/dev/null 2>&1; then
+    nextpart ns1/named.run > /dev/null
+    copy_setports ns1/named.symconf.in ns1/named.conf
+    rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+    wait_for_log 5 "reloading configuration succeeded" ns1/named.run || ret=1
+    if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+else
+	echo_i "skipping symlink test (unable to create symlink)"
+fi
+
+echo_i "repeat previous tests without named -g"
+copy_setports ns1/named.plain.in ns1/named.conf
+stop_server --use-rndc --port ${CONTROLPORT} ns1
+cp named1.args ns1/named.args
+start_server --noclean --restart --port ${PORT} ns1
+
+n=$((n+1))
+echo_i "testing log file validity (only plain files allowed) ($n)"
+ret=0
+cat /dev/null > ns1/named_log
+copy_setports ns1/named.plainconf.in ns1/named.conf
+nextpart ns1/named.run > /dev/null
+rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+wait_for_log 5 "reloading configuration succeeded" ns1/named.run || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Now try directory, expect failure
+n=$((n+1))
+echo_i "testing directory as log file ($n)"
+ret=0
+nextpart ns1/named.run > /dev/null
+copy_setports ns1/named.dirconf.in ns1/named.conf
+rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+wait_for_log 5 "reloading configuration failed: invalid file" ns1/named.run || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Now try pipe file, expect failure
+n=$((n+1))
+echo_i "testing pipe file as log file ($n)"
+ret=0
+nextpart ns1/named.run > /dev/null
+rm -f ns1/named_pipe
+if mkfifo ns1/named_pipe >/dev/null 2>&1; then
+    copy_setports ns1/named.pipeconf.in ns1/named.conf
+    rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+    wait_for_log 5 "reloading configuration failed: invalid file" ns1/named.run || ret=1
+    if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+else
+    echo_i "skipping pipe test (unable to create pipe)"
+fi
+
+# Now try symlink file to plain file, expect success
+n=$((n+1))
+echo_i "testing symlink to plain file as log file ($n)"
+ret=0
+rm -f ns1/named_log ns1/named_sym
+touch ns1/named_log
+if ln -s $(pwd)/ns1/named_log $(pwd)/ns1/named_sym >/dev/null 2>&1; then
+    nextpart ns1/named.run > /dev/null
+    copy_setports ns1/named.symconf.in ns1/named.conf
+    rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+    wait_for_log 5 "reloading configuration succeeded" ns1/named.run || ret=1
+    if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+else
+	echo_i "skipping symlink test (unable to create symlink)"
+fi
+
+echo_i "testing logging functionality"
+n=$((n+1))
+ret=0
+echo_i "testing iso8601 timestamp ($n)"
+copy_setports ns1/named.iso8601.in ns1/named.conf
+rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+grep '^....-..-..T..:..:..\.... ' ns1/named_iso8601 > /dev/null || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing iso8601-utc timestamp ($n)"
+ret=0
+copy_setports ns1/named.iso8601-utc.in ns1/named.conf
+rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+grep '^....-..-..T..:..:..\....Z' ns1/named_iso8601_utc > /dev/null || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing explicit versions ($n)"
+ret=0
+copy_setports ns1/named.versconf.in ns1/named.conf
+# a seconds since epoch version number
+touch ns1/named_vers.1480039317
+rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+$DIG version.bind txt ch @10.53.0.1 -p ${PORT} > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+# we are configured to retain five logfiles (a current file
+# and 4 backups). so files with version number 5 or higher
+# should be removed.
+test_with_retry -f ns1/named_vers.1480039317 && ret=1
+test_with_retry -f ns1/named_vers.5 && ret=1
+test_with_retry -f ns1/named_vers.4 || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing timestamped versions ($n)"
+ret=0
+copy_setports ns1/named.tsconf.in ns1/named.conf
+# a seconds since epoch version number
+touch ns1/named_ts.1480039317
+# a timestamp version number
+touch ns1/named_ts.20150101120000120
+rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+_found2() (
+        $DIG version.bind txt ch @10.53.0.1 -p ${PORT} > dig.out.test$n
+        grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+
+        # we are configured to keep three versions, so the oldest
+        # timestamped versions should be gone, and there should
+        # be two or three backup ones.
+        [ -f ns1/named_ts.1480039317 ] && return 1
+        [ -f ns1/named_ts.20150101120000120 ] && return 1
+        set -- ns1/named_ts.*
+        [ "$#" -eq 2 -o "$#" -eq 3 ] || return 1
+)
+retry_quiet 5 _found2 || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing incremented versions ($n)"
+ret=0
+copy_setports ns1/named.incconf.in ns1/named.conf
+try=0
+while test $try -lt 12
+do
+	touch ns1/named_inc.$try
+	try=$((try + 1))
+done
+rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+_found2() (
+        $DIG version.bind txt ch @10.53.0.1 -p ${PORT} > dig.out.test$n
+        grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+
+	try=1
+	while test $try -lt 12
+	do
+	        [ -f ns1/named_inc.$try ] && return 1
+		try=$((try + 1))
+	done
+        set -- ns1/named_inc.*
+        [ "$#" -eq 1 ] || return 1
+)
+retry_quiet 5 _found2 || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing absolute file path versions ($n)"
+ret=0
+copy_setports ns1/named.abspathconf.in ns1/named.conf
+try=0
+while test $try -lt 12
+do
+	touch $TMPDIR/example.log.$try
+	try=$((try + 1))
+done
+rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+_found2() (
+        $DIG version.bind txt ch @10.53.0.1 -p ${PORT} > dig.out.test$n
+        grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+
+	try=1
+	while test $try -lt 12
+	do
+		[ -f $TMPDIR/example.log.$try ] && return 1
+		try=$((try + 1))
+	done
+	set -- $TMPDIR/example.log.*
+	[ "$#" -eq 1 ] || return 1
+)
+retry_quiet 5 _found2 || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing unlimited versions ($n)"
+ret=0
+copy_setports ns1/named.unlimited.in ns1/named.conf
+# a seconds since epoch version number
+touch ns1/named_unlimited.1480039317
+rndc_reconfig ns1 10.53.0.1 > rndc.out.test$n
+$DIG version.bind txt ch @10.53.0.1 -p ${PORT} > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+test_with_retry -f ns1/named_unlimited.1480039317 || ret=1
+test_with_retry -f ns1/named_unlimited.4 || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing default logfile using named -L file ($n)"
+ret=0
+stop_server ns1
+cp named2.args ns1/named.args
+test -f ns1/named.pid && ret=1
+rm -f ns1/named_deflog
+copy_setports ns1/named.plainconf.in ns1/named.conf
+start_server --noclean --restart --port ${PORT} ns1
+[ -f "ns1/named_deflog" ] || ret=1
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/logfileconfig/tests_sh_logfileconfig.py b/bin/tests/system/logfileconfig/tests_sh_logfileconfig.py
new file mode 100644
index 0000000..655a8ee
--- /dev/null
+++ b/bin/tests/system/logfileconfig/tests_sh_logfileconfig.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_logfileconfig(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/makejournal.c b/bin/tests/system/makejournal.c
new file mode 100644
index 0000000..63caa9a
--- /dev/null
+++ b/bin/tests/system/makejournal.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <stdbool.h>
+#include <stdlib.h>
+
+#include <isc/hash.h>
+#include <isc/log.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/result.h>
+#include <isc/util.h>
+
+#include <dns/db.h>
+#include <dns/fixedname.h>
+#include <dns/journal.h>
+#include <dns/log.h>
+#include <dns/name.h>
+#include <dns/types.h>
+
+#define CHECK(r)                             \
+	do {                                 \
+		result = (r);                \
+		if (result != ISC_R_SUCCESS) \
+			goto cleanup;        \
+	} while (0)
+
+isc_mem_t *mctx = NULL;
+isc_log_t *lctx = NULL;
+
+static bool dst_active = false;
+
+/*
+ * Logging categories: this needs to match the list in bin/named/log.c.
+ */
+static isc_logcategory_t categories[] = { { "", 0 },
+					  { "client", 0 },
+					  { "network", 0 },
+					  { "update", 0 },
+					  { "queries", 0 },
+					  { "unmatched", 0 },
+					  { "update-security", 0 },
+					  { "query-errors", 0 },
+					  { NULL, 0 } };
+
+static isc_result_t
+loadzone(dns_db_t **db, const char *origin, const char *filename) {
+	isc_result_t result;
+	dns_fixedname_t fixed;
+	dns_name_t *name;
+
+	name = dns_fixedname_initname(&fixed);
+
+	result = dns_name_fromstring(name, origin, 0, NULL);
+	if (result != ISC_R_SUCCESS) {
+		return (result);
+	}
+
+	result = dns_db_create(mctx, "rbt", name, dns_dbtype_zone,
+			       dns_rdataclass_in, 0, NULL, db);
+	if (result != ISC_R_SUCCESS) {
+		return (result);
+	}
+
+	result = dns_db_load(*db, filename, dns_masterformat_text, 0);
+	return (result);
+}
+
+int
+main(int argc, char **argv) {
+	isc_result_t result;
+	char *origin, *file1, *file2, *journal;
+	dns_db_t *olddb = NULL, *newdb = NULL;
+	isc_logdestination_t destination;
+	isc_logconfig_t *logconfig = NULL;
+
+	if (argc != 5) {
+		printf("usage: %s origin file1 file2 journal\n", argv[0]);
+		return (1);
+	}
+
+	origin = argv[1];
+	file1 = argv[2];
+	file2 = argv[3];
+	journal = argv[4];
+
+	isc_mem_debugging |= ISC_MEM_DEBUGRECORD;
+	isc_mem_create(&mctx);
+
+	CHECK(dst_lib_init(mctx, NULL));
+	dst_active = true;
+
+	isc_log_create(mctx, &lctx, &logconfig);
+	isc_log_registercategories(lctx, categories);
+	isc_log_setcontext(lctx);
+	dns_log_init(lctx);
+	dns_log_setcontext(lctx);
+
+	destination.file.stream = stderr;
+	destination.file.name = NULL;
+	destination.file.versions = ISC_LOG_ROLLNEVER;
+	destination.file.maximum_size = 0;
+	isc_log_createchannel(logconfig, "stderr", ISC_LOG_TOFILEDESC,
+			      ISC_LOG_DYNAMIC, &destination, 0);
+
+	CHECK(isc_log_usechannel(logconfig, "stderr", NULL, NULL));
+
+	result = loadzone(&olddb, origin, file1);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "Couldn't load %s: ", file1);
+		goto cleanup;
+	}
+
+	result = loadzone(&newdb, origin, file2);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "Couldn't load %s: ", file2);
+		goto cleanup;
+	}
+
+	result = dns_db_diff(mctx, newdb, NULL, olddb, NULL, journal);
+
+cleanup:
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "%s\n", isc_result_totext(result));
+	}
+
+	if (newdb != NULL) {
+		dns_db_detach(&newdb);
+	}
+	if (olddb != NULL) {
+		dns_db_detach(&olddb);
+	}
+
+	if (lctx != NULL) {
+		isc_log_destroy(&lctx);
+	}
+	if (dst_active) {
+		dst_lib_destroy();
+		dst_active = false;
+	}
+	if (mctx != NULL) {
+		isc_mem_destroy(&mctx);
+	}
+
+	return (result != ISC_R_SUCCESS ? 1 : 0);
+}
diff --git a/bin/tests/system/masterfile/clean.sh b/bin/tests/system/masterfile/clean.sh
new file mode 100644
index 0000000..97aa377
--- /dev/null
+++ b/bin/tests/system/masterfile/clean.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out.*
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run
+rm -f ns*/named.lock
+rm -f checkzone.out*
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/masterfile/knowngood.dig.out b/bin/tests/system/masterfile/knowngood.dig.out
new file mode 100644
index 0000000..d4cbac8
--- /dev/null
+++ b/bin/tests/system/masterfile/knowngood.dig.out
@@ -0,0 +1,32 @@
+include.		300	IN	SOA	ns.include. hostmaster.include. 1 3600 1800 1814400 3600
+include.		300	IN	NS	ns.include.
+a.include.		300	IN	A	10.0.0.1
+a.include.		300	IN	A	10.0.0.99
+a.a.include.		300	IN	A	10.0.1.1
+b.foo.a.include.	300	IN	A	10.0.2.2
+b.include.		300	IN	A	10.0.0.2
+a.b.include.		300	IN	A	10.0.1.1
+c.b.include.		300	IN	A	10.0.0.3
+b.foo.b.include.	300	IN	A	10.0.2.2
+ns.include.		300	IN	A	127.0.0.1
+include.		300	IN	SOA	ns.include. hostmaster.include. 1 3600 1800 1814400 3600
+ttl2.			1	IN	SOA	ns.ttl2. hostmaster.ttl2. 1 3600 1800 1814400 3
+ttl2.			1	IN	NS	ns.ttl2.
+a.ttl2.			1	IN	TXT	"inherited ttl 1"
+b.ttl2.			2	IN	TXT	"explicit ttl 2"
+c.ttl2.			2	IN	TXT	"inherited ttl 2"
+d.ttl2.			3	IN	TXT	"default ttl 3"
+e.ttl2.			2	IN	TXT	"explicit ttl 2"
+f.ttl2.			3	IN	TXT	"default ttl 3"
+ns.ttl2.		1	IN	A	10.53.0.1
+ttl2.			1	IN	SOA	ns.ttl2. hostmaster.ttl2. 1 3600 1800 1814400 3
+ttl2.			1	IN	SOA	ns.ttl2. hostmaster.ttl2. 1 3600 1800 1814400 3
+ttl2.			1	IN	NS	ns.ttl2.
+a.ttl2.			1	IN	TXT	"inherited ttl 1"
+b.ttl2.			2	IN	TXT	"explicit ttl 2"
+c.ttl2.			2	IN	TXT	"inherited ttl 2"
+d.ttl2.			3	IN	TXT	"default ttl 3"
+e.ttl2.			2	IN	TXT	"explicit ttl 2"
+f.ttl2.			3	IN	TXT	"default ttl 3"
+ns.ttl2.		1	IN	A	10.53.0.1
+ttl2.			1	IN	SOA	ns.ttl2. hostmaster.ttl2. 1 3600 1800 1814400 3
diff --git a/bin/tests/system/masterfile/ns1/include.db b/bin/tests/system/masterfile/ns1/include.db
new file mode 100644
index 0000000..149c819
--- /dev/null
+++ b/bin/tests/system/masterfile/ns1/include.db
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; Test $INCLUDE current domain name and origin semantics
+
+$TTL 300
+@			IN SOA	ns hostmaster (
+				1        ; serial
+				3600
+				1800
+				1814400
+				3600
+				)
+			NS	ns
+
+ns			A	127.0.0.1
+
+a			A	10.0.0.1
+$INCLUDE sub.db a
+; use the current domain name
+			A	10.0.0.99
+b			A	10.0.0.2
+$ORIGIN b
+$INCLUDE sub.db
+; use the current domain name
+;			A	10.0.0.99
+c			A	10.0.0.3
diff --git a/bin/tests/system/masterfile/ns1/named.conf.in b/bin/tests/system/masterfile/ns1/named.conf.in
new file mode 100644
index 0000000..4203aae
--- /dev/null
+++ b/bin/tests/system/masterfile/ns1/named.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+zone "include" {
+	type primary;
+	file "include.db";
+};
+
+zone "ttl1" {
+	type primary;
+	file "ttl1.db";
+};
+
+zone "ttl2" {
+	type primary;
+	file "ttl2.db";
+};
diff --git a/bin/tests/system/masterfile/ns1/sub.db b/bin/tests/system/masterfile/ns1/sub.db
new file mode 100644
index 0000000..7e027b0
--- /dev/null
+++ b/bin/tests/system/masterfile/ns1/sub.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+a		A	10.0.1.1
+$ORIGIN foo
+b		A	10.0.2.2
+
diff --git a/bin/tests/system/masterfile/ns1/ttl1.db b/bin/tests/system/masterfile/ns1/ttl1.db
new file mode 100644
index 0000000..56afe9d
--- /dev/null
+++ b/bin/tests/system/masterfile/ns1/ttl1.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@			IN SOA	ns hostmaster (
+				1        ; serial
+				3600
+				1800
+				1814400
+				3
+				)
+			NS	ns
+ns			A	10.53.0.1
+a			TXT	"soa minttl 3"
+b		2	TXT	"explicit ttl 2"
+c			TXT	"soa minttl 3"
+$TTL 1
+d			TXT	"default ttl 1"
+e		4	TXT	"explicit ttl 4"
+f			TXT	"default ttl 1"
diff --git a/bin/tests/system/masterfile/ns1/ttl2.db b/bin/tests/system/masterfile/ns1/ttl2.db
new file mode 100644
index 0000000..778e8d3
--- /dev/null
+++ b/bin/tests/system/masterfile/ns1/ttl2.db
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@		1	IN SOA	ns hostmaster (
+				1        ; serial
+				3600
+				1800
+				1814400
+				3
+				)
+			NS	ns
+ns			A	10.53.0.1
+a			TXT	"inherited ttl 1"
+b		2	TXT	"explicit ttl 2"
+c			TXT	"inherited ttl 2"
+$TTL 3
+d			TXT	"default ttl 3"
+e		2	TXT	"explicit ttl 2"
+f			TXT	"default ttl 3"
+
+
+
diff --git a/bin/tests/system/masterfile/ns2/example.db b/bin/tests/system/masterfile/ns2/example.db
new file mode 100644
index 0000000..414403a
--- /dev/null
+++ b/bin/tests/system/masterfile/ns2/example.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2010042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
diff --git a/bin/tests/system/masterfile/ns2/named.conf.in b/bin/tests/system/masterfile/ns2/named.conf.in
new file mode 100644
index 0000000..1f4ef91
--- /dev/null
+++ b/bin/tests/system/masterfile/ns2/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "missing" {
+	type primary;
+	file "missing.db";
+};
diff --git a/bin/tests/system/masterfile/setup.sh b/bin/tests/system/masterfile/setup.sh
new file mode 100644
index 0000000..46c18c4
--- /dev/null
+++ b/bin/tests/system/masterfile/setup.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
diff --git a/bin/tests/system/masterfile/tests.sh b/bin/tests/system/masterfile/tests.sh
new file mode 100644
index 0000000..5755088
--- /dev/null
+++ b/bin/tests/system/masterfile/tests.sh
@@ -0,0 +1,63 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+
+status=0
+n=0
+
+ret=0
+n=$((n + 1))
+echo_i "test master file \$INCLUDE semantics ($n)"
+$DIG $DIGOPTS +nostats +nocmd include. axfr @10.53.0.1 >dig.out.$n
+
+echo_i "test master file BIND 8 compatibility TTL and \$TTL semantics ($n)"
+$DIG $DIGOPTS +nostats +nocmd ttl2. axfr @10.53.0.1 >>dig.out.$n
+
+echo_i "test of master file RFC1035 TTL and \$TTL semantics ($n)"
+$DIG $DIGOPTS +nostats +nocmd ttl2. axfr @10.53.0.1 >>dig.out.$n
+
+diff dig.out.$n knowngood.dig.out || status=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+ret=0
+n=$((n + 1))
+echo_i "test that the nameserver is running with a missing master file ($n)"
+$DIG $DIGOPTS +tcp +noall +answer example soa @10.53.0.2 > dig.out.$n
+grep SOA dig.out.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+ret=0
+n=$((n + 1))
+echo_i "test that the nameserver returns SERVFAIL for a missing master file ($n)"
+$DIG $DIGOPTS +tcp +all missing soa @10.53.0.2 > dig.out.$n
+grep "status: SERVFAIL" dig.out.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+ret=0
+n=$((n + 1))
+echo_i "test owner inheritance after "'$INCLUDE'" ($n)"
+$CHECKZONE -Dq example zone/inheritownerafterinclude.db > checkzone.out$n
+diff checkzone.out$n zone/inheritownerafterinclude.good || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/masterfile/tests_sh_masterfile.py b/bin/tests/system/masterfile/tests_sh_masterfile.py
new file mode 100644
index 0000000..1556892
--- /dev/null
+++ b/bin/tests/system/masterfile/tests_sh_masterfile.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_masterfile(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/masterfile/zone/inheritownerafterinclude.db b/bin/tests/system/masterfile/zone/inheritownerafterinclude.db
new file mode 100644
index 0000000..11b97ea
--- /dev/null
+++ b/bin/tests/system/masterfile/zone/inheritownerafterinclude.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0	IN	SOA	. . 0 0 0 0 0
+$INCLUDE zone/nameservers.db
+	IN	TXT	"this should be at the zone apex"
diff --git a/bin/tests/system/masterfile/zone/inheritownerafterinclude.good b/bin/tests/system/masterfile/zone/inheritownerafterinclude.good
new file mode 100644
index 0000000..3877ed5
--- /dev/null
+++ b/bin/tests/system/masterfile/zone/inheritownerafterinclude.good
@@ -0,0 +1,3 @@
+example.				      0	IN SOA		. . 0 0 0 0 0
+example.				      0	IN NS		.
+example.				      0	IN TXT		"this should be at the zone apex"
diff --git a/bin/tests/system/masterfile/zone/nameservers.db b/bin/tests/system/masterfile/zone/nameservers.db
new file mode 100644
index 0000000..f7b6525
--- /dev/null
+++ b/bin/tests/system/masterfile/zone/nameservers.db
@@ -0,0 +1,12 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	IN	NS	.
diff --git a/bin/tests/system/masterformat/clean.sh b/bin/tests/system/masterformat/clean.sh
new file mode 100755
index 0000000..04ff2b8
--- /dev/null
+++ b/bin/tests/system/masterformat/clean.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ./ns1/example.db.raw*
+rm -f ./ns1/example.db.compat
+rm -f ./ns1/example.db.serial.raw
+rm -f ./ns1/large.db ./ns1/large.db.raw
+rm -f ./ns1/signed.db.raw
+rm -f ./ns1/session.key
+rm -f ./dig.out.*
+rm -f ./dig.out
+rm -f ./*/named.memstats
+rm -f ./*/named.conf
+rm -f ./*/named.run
+rm -f ./ns2/example.db
+rm -f ./ns2/transfer.db.*
+rm -f ./ns2/formerly-text.db
+rm -f ./ns2/db-*
+rm -f ./ns2/large.bk
+rm -f ./ns3/example.db.raw ./ns3/dynamic.db.raw
+rm -f ./baseline.txt ./text.* ./raw.*
+rm -f ./ns1/Ksigned.* ./ns1/dsset-signed. ./ns1/signed.db.signed
+rm -f ./rndc.out
+rm -f ./ns*/named.lock
+rm -f ./ns*/managed-keys.bind*
diff --git a/bin/tests/system/masterformat/ns1/compile.sh b/bin/tests/system/masterformat/ns1/compile.sh
new file mode 100755
index 0000000..0c2e7fb
--- /dev/null
+++ b/bin/tests/system/masterformat/ns1/compile.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+$CHECKZONE -D -F raw -o example.db.raw example \
+        example.db > /dev/null 2>&1
+$CHECKZONE -D -F raw -o ../ns3/example.db.raw example \
+        example.db > /dev/null 2>&1
+$CHECKZONE -D -F raw -o ../ns3/dynamic.db.raw dynamic \
+        example.db > /dev/null 2>&1
+$CHECKZONE -D -F raw=1 -o example.db.raw1 example-explicit \
+        example.db > /dev/null 2>&1
+$CHECKZONE -D -F raw=0 -o example.db.compat example-compat \
+        example.db > /dev/null 2>&1
+$CHECKZONE -D -F raw -L 3333 -o example.db.serial.raw example \
+        example.db > /dev/null 2>&1
+$CHECKZONE -D -F raw -o large.db.raw large large.db > /dev/null 2>&1
+
+$KEYGEN -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK signed > /dev/null 2>&1
+$KEYGEN -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" signed > /dev/null 2>&1
+$SIGNER -S -f signed.db.signed -o signed signed.db > /dev/null
+$CHECKZONE -D -F raw -o signed.db.raw signed signed.db.signed > /dev/null 2>&1
diff --git a/bin/tests/system/masterformat/ns1/example.db b/bin/tests/system/masterformat/ns1/example.db
new file mode 100644
index 0000000..5ca0ae2
--- /dev/null
+++ b/bin/tests/system/masterformat/ns1/example.db
@@ -0,0 +1,58 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 1D
+
+@			IN SOA	ns hostmaster (
+				1
+				3600
+				1800
+				1814400
+				3
+				)
+			NS	ns
+ns			A	10.53.0.1
+mx			MX	10 mail
+a			A	10.53.0.1
+			A	10.53.0.2
+aaaa			AAAA	2001:db8::53
+cname			CNAME	cname-target
+dname			DNAME	dname-target
+txt			TXT	"this is text"
+
+;;
+;; we are not testing DNSSEC behavior, so we don't care about the semantics
+;; of the following records.
+dnskey			300	DNSKEY	256 3 13 (
+					TEcpWeW1mJp+OujqyInMbjGRODJIYen/4kMR
+					wO6zW3RzrvmNIMgFag6G uXofiSwJ6YDeQ0O
+					3uhPJsJ7ivpbh+w==
+					)
+private-dnskey		300	DNSKEY	256 3 253 ( AAo= )
+ds			300	DS	30795 1 1 (
+					310D27F4D82C1FC2400704EA9939FE6E1CEA
+					A3B9 )
+cdnskey			300	CDNSKEY	256 3 13 (
+					TEcpWeW1mJp+OujqyInMbjGRODJIYen/4kMR
+					wO6zW3RzrvmNIMgFag6G uXofiSwJ6YDeQ0O
+					3uhPJsJ7ivpbh+w==
+					)
+private-cdnskey		300	CDNSKEY	256 3 253 ( AAo= )
+cds			300	CDS	30795 1 1 (
+					310D27F4D82C1FC2400704EA9939FE6E1CEA
+					A3B9 )
+nsec			600	NSEC	nsecnext NS DS RRSIG NSEC
+rrsig			300	RRSIG	SOA 1 0 300 20050714214747 (
+					20050614214747 30795 .
+					yi/RRPAQmn6rnjDQaCqVValBa+ICF00ZldKf
+					ZSDaoew5mMUh83DlrrPPNeAxrzMSNzDGlJ6P
+					fdyIFgzPn/CvthF4kjBUAiJTp4r2zhlaUJQ+
+					QFo+drYXYgVJo6aA36fj )
diff --git a/bin/tests/system/masterformat/ns1/large.db.in b/bin/tests/system/masterformat/ns1/large.db.in
new file mode 100644
index 0000000..5a81863
--- /dev/null
+++ b/bin/tests/system/masterformat/ns1/large.db.in
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 1D
+
+@			IN SOA	ns hostmaster (
+				1
+				3600
+				1800
+				1814400
+				3
+				)
+			NS	ns
+ns			A	10.53.0.1
diff --git a/bin/tests/system/masterformat/ns1/named.conf.in b/bin/tests/system/masterformat/ns1/named.conf.in
new file mode 100644
index 0000000..a0d054f
--- /dev/null
+++ b/bin/tests/system/masterformat/ns1/named.conf.in
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	pid-file "named.pid";
+	listen-on port @PORT@ { 10.53.0.1; };
+	port @PORT@;
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	session-keyfile "session.key";
+	servfail-ttl 0;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "example" {
+	type primary;
+	masterfile-format raw;
+	file "example.db.raw";
+};
+
+zone "compat-example" {
+	type primary;
+	masterfile-format raw;
+	file "example.db.compat";
+};
+
+zone "transfer1" {
+	type primary;
+	file "example.db";
+	allow-transfer { any; };
+};
+
+zone "transfer2" {
+	type primary;
+	file "example.db";
+	allow-transfer { any; };
+};
+
+zone "transfer3" {
+	type primary;
+	file "example.db";
+	allow-transfer { any; };
+};
+
+zone "transfer4" {
+	type primary;
+	file "example.db";
+	allow-transfer { any; };
+};
+
+
+zone "large" {
+	type primary;
+	file "large.db.raw";
+	masterfile-format raw;
+	allow-transfer { any; };
+};
+
+zone "signed" {
+	type primary;
+	file "signed.db.raw";
+	masterfile-format raw;
+	allow-transfer { any; };
+	update-policy local;
+	auto-dnssec maintain;
+};
diff --git a/bin/tests/system/masterformat/ns1/signed.db b/bin/tests/system/masterformat/ns1/signed.db
new file mode 100644
index 0000000..55d6fae
--- /dev/null
+++ b/bin/tests/system/masterformat/ns1/signed.db
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 1D
+
+@			IN SOA	ns hostmaster (
+				1
+				3600
+				1800
+				1814400
+				3
+				)
+			NS	ns
+ns			A	10.53.0.1
+mx			MX	10 mail
+a			A	10.53.0.1
+			A	10.53.0.2
+aaaa			AAAA	2001:db8::53
+cname			CNAME	cname-target
+dname			DNAME	dname-target
+txt			TXT	"this is text"
diff --git a/bin/tests/system/masterformat/ns2/formerly-text.db.in b/bin/tests/system/masterformat/ns2/formerly-text.db.in
new file mode 100644
index 0000000..02ce216
--- /dev/null
+++ b/bin/tests/system/masterformat/ns2/formerly-text.db.in
@@ -0,0 +1,48 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 86400	; 1 day
+transfer3		IN SOA	ns.transfer3. hostmaster.transfer3. (
+				1          ; serial
+				3600       ; refresh (1 hour)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				3          ; minimum (3 seconds)
+				)
+			NS	ns.transfer3.
+$ORIGIN transfer3.
+a			A	10.53.0.1
+			A	10.53.0.2
+aaaa			AAAA	2001:db8::53
+cname			CNAME	cname-target
+dname			DNAME	dname-target
+$TTL 300	; 5 minutes
+dnskey			DNSKEY	256 3 13 (
+				TEcpWeW1mJp+OujqyInMbjGRODJIYen/4kMR
+				wO6zW3RzrvmNIMgFag6G uXofiSwJ6YDeQ0O
+				3uhPJsJ7ivpbh+w==
+				)
+ds			DS	30795 1 1 (
+				310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9 )
+$TTL 86400	; 1 day
+mx			MX	10 mail
+ns			A	10.53.0.1
+$TTL 600	; 10 minutes
+nsec			NSEC	nsecnext.transfer3. NS DS RRSIG NSEC
+$TTL 300	; 5 minutes
+rrsig			RRSIG	SOA 1 0 300 (
+				20050714214747 20050614214747 30795 .
+				yi/RRPAQmn6rnjDQaCqVValBa+ICF00ZldKfZSDaoew5
+				mMUh83DlrrPPNeAxrzMSNzDGlJ6PfdyIFgzPn/CvthF4
+				kjBUAiJTp4r2zhlaUJQ+QFo+drYXYgVJo6aA36fj )
+$TTL 86400	; 1 day
+txt			TXT	"this is text"
diff --git a/bin/tests/system/masterformat/ns2/named.conf.in b/bin/tests/system/masterformat/ns2/named.conf.in
new file mode 100644
index 0000000..db68aef
--- /dev/null
+++ b/bin/tests/system/masterformat/ns2/named.conf.in
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	pid-file "named.pid";
+	listen-on port @PORT@ { 10.53.0.2; };
+	listen-on-v6 { none; };
+	port @PORT@;
+	recursion no;
+	notify no;
+	servfail-ttl 0;
+	dnssec-validation no;
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "transfer1" {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "transfer.db.raw";
+};
+
+zone "transfer2" {
+	type secondary;
+	primaries { 10.53.0.1; };
+	masterfile-format text;
+	file "transfer.db.txt";
+};
+
+zone "transfer3" {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "formerly-text.db";
+};
+
+zone "transfer4" {
+	type secondary;
+	primaries { 10.53.0.1; };
+	masterfile-format text;
+	masterfile-style full;
+	file "transfer.db.full";
+};
+
+zone "large" {
+	type secondary;
+	primaries { 10.53.0.1; };
+	masterfile-format raw;
+	file "large.bk";
+};
diff --git a/bin/tests/system/masterformat/ns3/named.conf.in b/bin/tests/system/masterformat/ns3/named.conf.in
new file mode 100644
index 0000000..deaed8b
--- /dev/null
+++ b/bin/tests/system/masterformat/ns3/named.conf.in
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+options {
+	pid-file "named.pid";
+	listen-on port @PORT@ { 10.53.0.3; };
+	port @PORT@;
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "example" {
+	type primary;
+	masterfile-format raw;
+	file "example.db.raw";
+};
+
+zone "dynamic" {
+	type primary;
+	masterfile-format raw;
+	file "dynamic.db.raw";
+	allow-update { any; };
+};
diff --git a/bin/tests/system/masterformat/setup.sh b/bin/tests/system/masterformat/setup.sh
new file mode 100755
index 0000000..d5fe367
--- /dev/null
+++ b/bin/tests/system/masterformat/setup.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+
+cp ns1/example.db ns2/
+cp ns2/formerly-text.db.in ns2/formerly-text.db
+cp ns1/large.db.in ns1/large.db
+awk 'END {
+	 for (i = 0; i < 512; i++ ) { print "a TXT", i; }
+	 for (i = 0; i < 1024; i++ ) { print "b TXT", i; }
+	 for (i = 0; i < 2000; i++ ) { print "c TXT", i; }
+}' < /dev/null >> ns1/large.db
+cd ns1 && $SHELL compile.sh
diff --git a/bin/tests/system/masterformat/tests.sh b/bin/tests/system/masterformat/tests.sh
new file mode 100755
index 0000000..da9ec87
--- /dev/null
+++ b/bin/tests/system/masterformat/tests.sh
@@ -0,0 +1,278 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+status=0
+n=1
+
+israw () {
+    # shellcheck disable=SC2016
+    $PERL -e 'binmode STDIN;
+             read(STDIN, $input, 8);
+             ($style, $version) = unpack("NN", $input);
+             exit 1 if ($style != 2 || $version > 1);' < "$1" || return $?
+}
+
+isfull () {
+    # there should be no whitespace at the beginning of a line
+    if grep '^[ 	][ 	]*' "$1" > /dev/null 2>&1; then
+	return 1
+    else
+	return 0
+    fi
+}
+
+rawversion () {
+    # shellcheck disable=SC2016
+    $PERL -e 'binmode STDIN;
+             read(STDIN, $input, 8);
+             if (length($input) < 8) { print "not raw\n"; exit 0; };
+             ($style, $version) = unpack("NN", $input);
+             print ($style == 2 || $style == 3 ? "$version\n" :
+		"not raw\n");' < "$1"
+}
+
+sourceserial () {
+    # shellcheck disable=SC2016
+    $PERL -e 'binmode STDIN;
+             read(STDIN, $input, 20);
+             if (length($input) < 20) { print "UNSET\n"; exit; };
+             ($format, $version, $dumptime, $flags, $sourceserial) =
+                     unpack("NNNNN", $input);
+             if ($format != 2 || $version <  1) { print "UNSET\n"; exit; };
+             if ($flags & 02) {
+                     print $sourceserial . "\n";
+             } else {
+                     print "UNSET\n";
+             }' < "$1"
+}
+
+stomp () {
+    # shellcheck disable=SC2016
+    $PERL -e 'open(my $file, "+<", $ARGV[0]);
+              binmode $file;
+              seek($file, $ARGV[1], 0);
+              for (my $i = 0; $i < $ARGV[2]; $i++) {
+                      print $file pack("C", $ARGV[3]);
+              }
+              close($file);' "$@"
+}
+
+restart () {
+    sleep 1
+    start_server --noclean --restart --port "${PORT}" ns3
+}
+
+dig_with_opts() {
+    "$DIG" +tcp +noauth +noadd +nosea +nostat +noquest +nocomm +nocmd -p "${PORT}" "$@"
+}
+
+rndccmd() {
+    "$RNDC" -c ../common/rndc.conf -p "${CONTROLPORT}" -s "$@"
+}
+
+status=0
+
+echo_i "checking that files in raw format loaded ($n)"
+ret=0
+set -- 1 2 3
+for zone in example example-explicit example-compat; do
+    for server in "$@"; do
+	for qname in ns mx a aaaa cname dname txt rrsig nsec \
+                dnskey ds cdnskey cds; do
+            qtype="$qname"
+	    dig_with_opts  @10.53.0.${server} -q ${qname}.${zone}. -t ${qtype}
+	    echo
+	done > dig.out.${zone}.${server}.test${n}
+        for qname in private-dnskey private-cdnskey; do
+            qtype=$(expr "$qname" : '.*-\(.*\)')
+	    dig_with_opts  @10.53.0.${server} -q ${qname}.${zone}. -t ${qtype}
+	done >> dig.out.${zone}.${server}.test${n}
+    done
+    digcomp dig.out.${zone}.1.test${n} dig.out.${zone}.2.test${n} || ret=1
+    if [ "$zone" = "example" ]; then
+        set -- 1 2
+        digcomp dig.out.${zone}.1.test${n} dig.out.${zone}.3.test${n} || ret=1
+    fi
+done
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking raw format versions ($n)"
+ret=0
+israw ns1/example.db.raw || ret=1
+israw ns1/example.db.raw1 || ret=1
+israw ns1/example.db.compat || ret=1
+[ "$(rawversion ns1/example.db.raw)" -eq 1 ] || ret=1
+[ "$(rawversion ns1/example.db.raw1)" -eq 1 ] || ret=1
+[ "$(rawversion ns1/example.db.compat)" -eq 0 ] || ret=1
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking source serial numbers ($n)"
+ret=0
+[ "$(sourceserial ns1/example.db.raw)" = "UNSET" ] || ret=1
+[ "$(sourceserial ns1/example.db.serial.raw)" = "3333" ] || ret=1
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "waiting for transfers to complete"
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	test -f ns2/transfer.db.raw -a -f ns2/transfer.db.txt && break
+	sleep 1
+done
+
+echo_i "checking that secondary was saved in raw format by default ($n)"
+ret=0
+israw ns2/transfer.db.raw || ret=1
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that secondary was saved in text format when configured ($n)"
+ret=0
+israw ns2/transfer.db.txt && ret=1
+isfull ns2/transfer.db.txt && ret=1
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that secondary was saved in 'full' style when configured ($n)"
+ret=0
+isfull ns2/transfer.db.full > /dev/null 2>&1 || ret=1
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that secondary formerly in text format is now raw ($n)"
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+    ret=0
+    israw ns2/formerly-text.db > /dev/null 2>&1 || ret=1
+    [ "$(rawversion ns2/formerly-text.db)" -eq 1 ] || ret=1
+    [ $ret -eq 0 ] && break
+    sleep 1
+done
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking that large rdatasets loaded ($n)"
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+ret=0
+for a in a b c
+do
+	$DIG +tcp txt "${a}.large" @10.53.0.2 -p "${PORT}" > "dig.out.ns2.test$n"
+	grep "status: NOERROR" "dig.out.ns2.test$n" > /dev/null || ret=1
+done
+[ $ret -eq 0 ] && break
+sleep 1
+done
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking format transitions: text->raw->text ($n)"
+ret=0
+$CHECKZONE -D -f text -F text -o baseline.txt example.nil ns1/example.db > /dev/null
+$CHECKZONE -D -f text -F raw -o raw.1 example.nil baseline.txt > /dev/null
+$CHECKZONE -D -f raw -F text -o text.1 example.nil raw.1 > /dev/null
+cmp -s baseline.txt text.1 || ret=0
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking raw format loading with journal file rollforward ($n)"
+ret=0
+$NSUPDATE <<END > /dev/null || status=1
+server 10.53.0.3 ${PORT}
+ttl 600
+update add newtext.dynamic IN TXT "added text"
+update delete aaaa.dynamic
+send
+END
+dig_with_opts @10.53.0.3 newtext.dynamic txt > "dig.out.dynamic1.ns3.test$n"
+grep "added text" "dig.out.dynamic1.ns3.test$n" > /dev/null 2>&1 || ret=1
+dig_with_opts +comm @10.53.0.3 added.dynamic txt > "dig.out.dynamic2.ns3.test$n"
+grep "NXDOMAIN" "dig.out.dynamic2.ns3.test$n" > /dev/null 2>&1 || ret=1
+# using "rndc halt" ensures that we don't dump the zone file
+stop_server --use-rndc --halt --port ${CONTROLPORT} ns3
+restart
+check_added_text() {
+	dig_with_opts @10.53.0.3 newtext.dynamic txt > "dig.out.dynamic3.ns3.test$n" || return 1
+	grep "added text" "dig.out.dynamic3.ns3.test$n" > /dev/null || return 1
+	return 0
+}
+retry_quiet 10 check_added_text || ret=1
+dig_with_opts +comm @10.53.0.3 added.dynamic txt > "dig.out.dynamic4.ns3.test$n"
+grep "NXDOMAIN" "dig.out.dynamic4.ns3.test$n" > /dev/null 2>&1 || ret=1
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking raw format file dumps correctly ($n)"
+ret=0
+$NSUPDATE <<END > /dev/null || status=1
+server 10.53.0.3 ${PORT}
+ttl 600
+update add moretext.dynamic IN TXT "more text"
+send
+END
+dig_with_opts @10.53.0.3 moretext.dynamic txt > "dig.out.dynamic1.ns3.test$n"
+grep "more text" "dig.out.dynamic1.ns3.test$n" > /dev/null 2>&1 || ret=1
+# using "rndc stop" will cause the zone file to flush before shutdown
+stop_server --use-rndc --port ${CONTROLPORT} ns3
+rm ns3/*.jnl
+restart
+#shellcheck disable=SC2034
+for i in 0 1 2 3 4 5 6 7 8 9; do
+    lret=0
+    dig_with_opts +comm @10.53.0.3 moretext.dynamic txt > "dig.out.dynamic2.ns3.test$n"
+    grep "more text" "dig.out.dynamic2.ns3.test$n" > /dev/null 2>&1 || lret=1
+    [ $lret -eq 0 ] && break;
+done
+[ $lret -eq 1 ] && ret=1
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking raw format zone is scheduled for resigning (compilezone) ($n)"
+ret=0
+rndccmd 10.53.0.1 zonestatus signed > rndc.out 2>&1 || ret=1
+grep 'next resign' rndc.out > /dev/null 2>&1 || ret=1
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "checking raw format zone is scheduled for resigning (signzone) ($n)"
+ret=0
+rndccmd 10.53.0.1 freeze signed > rndc.out 2>&1 || ret=1
+(cd ns1 || exit 1; $SIGNER -S -O raw -f signed.db.raw -o signed signed.db > /dev/null)
+rndc_reload ns1 10.53.0.1 signed
+rndccmd 10.53.0.1 zonestatus signed > rndc.out 2>&1 || ret=1
+grep 'next resign' rndc.out > /dev/null 2>&1 || ret=1
+n=$((n+1))
+[ $ret -eq 0 ] || echo_i "failed"
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/masterformat/tests_sh_masterformat.py b/bin/tests/system/masterformat/tests_sh_masterformat.py
new file mode 100644
index 0000000..b70f036
--- /dev/null
+++ b/bin/tests/system/masterformat/tests_sh_masterformat.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_masterformat(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/metadata/child.db b/bin/tests/system/metadata/child.db
new file mode 100644
index 0000000..35fff9c
--- /dev/null
+++ b/bin/tests/system/metadata/child.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 20
+child.parent.nil		IN SOA	ns.child.parent.nil. hostmaster.parent.nil. (
+				1          ; serial
+				2000       ; refresh (33 minutes 20 seconds)
+				2000       ; retry (33 minutes 20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns.child.parent.nil.
+$ORIGIN child.parent.nil.
+$TTL 300	; 5 minutes
+ns			A	10.53.0.3
diff --git a/bin/tests/system/metadata/clean.sh b/bin/tests/system/metadata/clean.sh
new file mode 100644
index 0000000..bac7f18
--- /dev/null
+++ b/bin/tests/system/metadata/clean.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f K* dsset-* *.signed *.new
+rm -f zsk.key ksk.key parent.ksk.key parent.zsk.key
+rm -f pending.key rolling.key standby.key inact.key
+rm -f prerev.key postrev.key oldstyle.key
+rm -f keys sigs
+rm -f tmp.out
+rm -f settime1.test* settime2.test*
+rm -f ns*/named.lock
diff --git a/bin/tests/system/metadata/parent.db b/bin/tests/system/metadata/parent.db
new file mode 100644
index 0000000..a5484e3
--- /dev/null
+++ b/bin/tests/system/metadata/parent.db
@@ -0,0 +1,31 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+parent.nil		IN SOA	ns1.parent.nil. hostmaster.parent.nil. (
+				1          ; serial
+				2000       ; refresh (33 minutes 20 seconds)
+				2000       ; retry (33 minutes 20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns1.parent.nil.
+			NS	ns2.parent.nil.
+$ORIGIN parent.nil.
+$TTL 3600	; 1 hour
+a			A	1.1.1.1
+$TTL 300	; 5 minutes
+ns1			A	10.53.0.1
+ns2			A	10.53.0.2
+
+child			NS     	ns.child
+ns.child		A	10.53.0.3
diff --git a/bin/tests/system/metadata/setup.sh b/bin/tests/system/metadata/setup.sh
new file mode 100644
index 0000000..2d4e7cb
--- /dev/null
+++ b/bin/tests/system/metadata/setup.sh
@@ -0,0 +1,60 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+pzone=parent.nil
+czone=child.parent.nil
+
+echo_i "generating keys"
+
+# active zsk
+zsk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} $czone)
+echo $zsk > zsk.key
+
+# not yet published or active
+pending=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -P none -A none $czone)
+echo $pending > pending.key
+
+# published but not active
+standby=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -A none $czone)
+echo $standby > standby.key
+
+# inactive
+inact=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -P now-24h -A now-24h -I now $czone)
+echo $inact > inact.key
+
+# active ksk
+ksk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk $czone)
+echo $ksk > ksk.key
+
+# published but not YET active; will be active in 15 seconds
+rolling=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk $czone)
+$SETTIME -A now+15s $rolling > /dev/null
+echo $rolling > rolling.key
+
+# revoked
+revoke1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk $czone)
+echo $revoke1 > prerev.key
+revoke2=$($REVOKE $revoke1)
+echo $revoke2 | sed -e 's#\./##' -e "s/\.key.*$//" > postrev.key
+
+pzsk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} $pzone)
+echo $pzsk > parent.zsk.key
+
+pksk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk $pzone)
+echo $pksk > parent.ksk.key
+
+oldstyle=$($KEYGEN -Cq -a ${DEFAULT_ALGORITHM} $pzone)
+echo $oldstyle > oldstyle.key
+
diff --git a/bin/tests/system/metadata/tests.sh b/bin/tests/system/metadata/tests.sh
new file mode 100644
index 0000000..3a91bb7
--- /dev/null
+++ b/bin/tests/system/metadata/tests.sh
@@ -0,0 +1,233 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+pzone=parent.nil pfile=parent.db
+czone=child.parent.nil cfile=child.db
+status=0
+n=1
+
+echo_i "setting key timers"
+$SETTIME -A now+15s $(cat rolling.key) > /dev/null
+
+inact=$(keyfile_to_key_id "$(cat inact.key)")
+ksk=$(keyfile_to_key_id "$(cat ksk.key)")
+pending=$(keyfile_to_key_id "$(cat pending.key)")
+postrev=$(keyfile_to_key_id "$(cat postrev.key)")
+prerev=$(keyfile_to_key_id "$(cat prerev.key)")
+rolling=$(keyfile_to_key_id "$(cat rolling.key)")
+standby=$(keyfile_to_key_id "$(cat standby.key)")
+zsk=$(keyfile_to_key_id "$(cat zsk.key)")
+
+echo_i "signing zones"
+$SIGNER -Sg -o $czone $cfile > /dev/null
+$SIGNER -Sg -o $pzone $pfile > /dev/null
+
+awk '$2 ~ /RRSIG/ {
+        type = $3;
+        getline;
+	id = $3;
+	if ($4 ~ /'${czone}'/) {
+		print type, id
+	}
+}' < ${cfile}.signed > sigs
+
+awk '$2 ~ /DNSKEY/ {
+	flags = $3;
+	while ($0 !~ /key id =/)
+		getline;
+	id = $NF;
+	print flags, id;
+}' < ${cfile}.signed > keys
+
+echo_i "checking that KSK signed DNSKEY only ($n)"
+ret=0
+grep "DNSKEY $ksk"'$' sigs > /dev/null || ret=1
+grep "SOA $ksk"'$' sigs > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that ZSK signed ($n)"
+ret=0
+grep "SOA $zsk"'$' sigs > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that standby ZSK did not sign ($n)"
+ret=0
+grep " $standby"'$' sigs > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that inactive key did not sign ($n)"
+ret=0
+grep " $inact"'$' sigs > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that pending key was not published ($n)"
+ret=0
+grep " $pending"'$' keys > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that standby KSK did not sign but is delegated ($n)"
+ret=0
+grep " $rolling"'$' sigs > /dev/null && ret=1
+grep " $rolling"'$' keys > /dev/null || ret=1
+grep -E "DS[ 	]*$rolling[ 	]" ${pfile}.signed > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that key was revoked ($n)"
+ret=0
+grep " $prerev"'$' keys > /dev/null && ret=1
+grep " $postrev"'$' keys > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that revoked key self-signed ($n)"
+ret=0
+grep "DNSKEY $postrev"'$' sigs > /dev/null || ret=1
+grep "SOA $postrev"'$' sigs > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "waiting 20 seconds for key changes to occur"
+sleep 20
+
+echo_i "re-signing zone"
+$SIGNER  -Sg -o $czone -f ${cfile}.new ${cfile}.signed > /dev/null
+
+echo_i "checking that standby KSK is now active ($n)"
+ret=0
+grep "DNSKEY $rolling"'$' sigs > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking update of an old-style key ($n)"
+ret=0
+# printing metadata should not work with an old-style key
+$SETTIME -pall $(cat oldstyle.key) > /dev/null 2>&1 && ret=1
+$SETTIME -f $(cat oldstyle.key) > /dev/null 2>&1 || ret=1
+# but now it should
+$SETTIME -pall $(cat oldstyle.key) > /dev/null 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking warning about permissions change on key with dnssec-settime ($n)"
+ret=0
+# settime should print a warning about changing the permissions
+chmod 644 $(cat oldstyle.key).private
+$SETTIME -P none $(cat oldstyle.key) > settime1.test$n 2>&1 || ret=1
+grep "warning: Permissions on the file.*have changed" settime1.test$n > /dev/null 2>&1 || ret=1
+$SETTIME -P none $(cat oldstyle.key) > settime2.test$n 2>&1 || ret=1
+grep "warning: Permissions on the file.*have changed" settime2.test$n > /dev/null 2>&1 && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking warning about delete date < inactive date with dnssec-settime ($n)"
+ret=0
+# settime should print a warning about delete < inactive
+$SETTIME -I now+15s -D now $(cat oldstyle.key) > tmp.out 2>&1 || ret=1
+grep "warning" tmp.out > /dev/null 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking no warning about delete date < inactive date with dnssec-settime when delete date is unset ($n)"
+ret=0
+$SETTIME -D none $(cat oldstyle.key) > tmp.out 2>&1 || ret=1
+$SETTIME -p all $(cat oldstyle.key) > tmp.out 2>&1 || ret=1
+grep "warning" tmp.out > /dev/null 2>&1 && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking warning about delete date < inactive date with dnssec-keygen ($n)"
+ret=0
+# keygen should print a warning about delete < inactive
+$KEYGEN -q -a ${DEFAULT_ALGORITHM} -I now+15s -D now $czone > tmp.out 2>&1 || ret=1
+grep "warning" tmp.out > /dev/null 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking correct behavior setting activation without publication date ($n)"
+ret=0
+key=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -A +1w $czone)
+pub=$($SETTIME -upP $key | awk '{print $2}')
+act=$($SETTIME -upA $key | awk '{print $2}')
+[ $pub -eq $act ] || ret=1
+key=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -A +1w -i 1d $czone)
+pub=$($SETTIME -upP $key | awk '{print $2}')
+act=$($SETTIME -upA $key | awk '{print $2}')
+[ $pub -lt $act ] || ret=1
+key=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -A +1w -P never $czone)
+pub=$($SETTIME -upP $key | awk '{print $2}')
+[ $pub = "UNSET" ] || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking calculation of dates for a successor key ($n)"
+ret=0
+oldkey=$($KEYGEN -a ${DEFAULT_ALGORITHM} -q $czone)
+newkey=$($KEYGEN -a ${DEFAULT_ALGORITHM} -q $czone)
+$SETTIME -A -2d -I +2d $oldkey > settime1.test$n 2>&1 || ret=1
+$SETTIME -i 1d -S $oldkey $newkey > settime2.test$n 2>&1 || ret=1
+$SETTIME -pA $newkey | grep "1970" > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+key=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} $czone)
+
+echo_i "checking -p output time is accepted ($n)"
+t=$($SETTIME -pA $key | sed 's/.*: //')
+$SETTIME -Psync "$t" $key > settime2.test$n 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking -up output time is accepted ($n)"
+t=$($SETTIME -upA $key | sed 's/.*: //')
+$SETTIME -Dsync "$t" $key > settime2.test$n 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking -p unset time is accepted ($n)"
+# The Delete timing metadata is unset.
+t=$($SETTIME -pD $key | sed 's/.*: //')
+$SETTIME -Psync "$t" $key > settime2.test$n 2>&1 || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/metadata/tests_sh_metadata.py b/bin/tests/system/metadata/tests_sh_metadata.py
new file mode 100644
index 0000000..4843288
--- /dev/null
+++ b/bin/tests/system/metadata/tests_sh_metadata.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_metadata(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/mirror/README b/bin/tests/system/mirror/README
new file mode 100644
index 0000000..f76b41b
--- /dev/null
+++ b/bin/tests/system/mirror/README
@@ -0,0 +1,26 @@
+<!--
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+-->
+
+This test checks whether zones configured with "type mirror;" behave as
+expected.
+
+ns1 is an authoritative-only server.  It only serves the root zone, which is
+mirrored by ns3.
+
+ns2 is an authoritative-only server.  It serves a number of zones, some of which
+are delegated to it by ns1 and used in recursive resolution tests aimed at ns3
+while others are only served so that ns3 has a primary server to mirror zones
+from during various tests of the mirror zone implementation.
+
+ns3 is a recursive resolver.  It has a number of mirror zones configured.  This
+is the only server whose behavior is being examined by this system test.
diff --git a/bin/tests/system/mirror/clean.sh b/bin/tests/system/mirror/clean.sh
new file mode 100644
index 0000000..2e02183
--- /dev/null
+++ b/bin/tests/system/mirror/clean.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */*.conf
+rm -f */*.db
+rm -f */*.jnl
+rm -f */*.mirror
+rm -f */*.nzd*
+rm -f */*.prev
+rm -f */*.signed
+rm -f */K*
+rm -f */db-*
+rm -f */dsset-*
+rm -f */jn-*
+rm -f */_default.nzf
+rm -f */managed-keys.bind*
+rm -f */named.memstats
+rm -f */named.run
+rm -f dig.out.*
+rm -f rndc.out.*
diff --git a/bin/tests/system/mirror/ns1/named.conf.in b/bin/tests/system/mirror/ns1/named.conf.in
new file mode 100644
index 0000000..22173f7
--- /dev/null
+++ b/bin/tests/system/mirror/ns1/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
diff --git a/bin/tests/system/mirror/ns1/root.db.in b/bin/tests/system/mirror/ns1/root.db.in
new file mode 100644
index 0000000..98ecf1f
--- /dev/null
+++ b/bin/tests/system/mirror/ns1/root.db.in
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@				SOA	a.root-servers.nil. hostmaster 1 3600 1200 604800 3600
+@				NS	a.root-servers.nil.
+a.root-servers.nil.		A	10.53.0.1
+example				NS	ns2.example.
+ns2.example.			A	10.53.0.2
+initially-unavailable.		NS	ns2.initially-unavailable.
+ns2.initially-unavailable.	A	10.53.0.2
diff --git a/bin/tests/system/mirror/ns1/sign.sh b/bin/tests/system/mirror/ns1/sign.sh
new file mode 100644
index 0000000..ab613d5
--- /dev/null
+++ b/bin/tests/system/mirror/ns1/sign.sh
@@ -0,0 +1,37 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+( cd ../ns2 && $SHELL -e sign.sh )
+
+cp ../ns2/dsset-* .
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+keyname1=$($KEYGEN -a ${DEFAULT_ALGORITHM} -f KSK $zone 2> /dev/null)
+keyname2=$($KEYGEN -a ${DEFAULT_ALGORITHM} $zone 2> /dev/null)
+
+cat $infile $keyname1.key $keyname2.key > $zonefile
+
+$SIGNER -P -g -o $zone $zonefile > /dev/null
+
+# Add a trust anchor for a name whose non-existence can be securely proved
+# without recursing when the root zone is mirrored.  This will exercise code
+# attempting to send TAT queries for such names (in ns3).  Key data is
+# irrelevant here, so just reuse the root zone key generated above.
+sed "s/^\./nonexistent./;" $keyname1.key > $keyname1.modified.key
+
+keyfile_to_static_ds $keyname1 $keyname1.modified > trusted.conf
diff --git a/bin/tests/system/mirror/ns2/example.db.in b/bin/tests/system/mirror/ns2/example.db.in
new file mode 100644
index 0000000..5472399
--- /dev/null
+++ b/bin/tests/system/mirror/ns2/example.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	ns2 hostmaster 1 3600 1200 604800 3600
+@		NS	ns2
+ns2		A	10.53.0.2
+foo		A	127.0.0.1
+sub		NS	ns2
diff --git a/bin/tests/system/mirror/ns2/initially-unavailable.db.in b/bin/tests/system/mirror/ns2/initially-unavailable.db.in
new file mode 100644
index 0000000..cf809e3
--- /dev/null
+++ b/bin/tests/system/mirror/ns2/initially-unavailable.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	a.root-servers.nil. hostmaster 1 3600 1200 604800 3600
+@		NS	ns2
+ns2		A	10.53.0.2
+foo		CNAME	foo.example.
diff --git a/bin/tests/system/mirror/ns2/named.conf.in b/bin/tests/system/mirror/ns2/named.conf.in
new file mode 100644
index 0000000..7eaed5b
--- /dev/null
+++ b/bin/tests/system/mirror/ns2/named.conf.in
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "example" {
+	type primary;
+	file "example.db.signed";
+};
+
+zone "sub.example" {
+	type primary;
+	file "sub.example.db.signed";
+};
+
+zone "initially-unavailable" {
+	type primary;
+	file "initially-unavailable.db.signed";
+	allow-transfer { 10.53.0.254; };
+};
+
+zone "verify-addzone" {
+	type primary;
+	file "verify-addzone.db.original.signed";
+};
+
+zone "verify-axfr" {
+	type primary;
+	file "verify-axfr.db.signed";
+};
+
+zone "verify-csk" {
+	type primary;
+	file "verify-csk.db.signed";
+};
+
+zone "verify-ixfr" {
+	type primary;
+	file "verify-ixfr.db.signed";
+	ixfr-from-differences yes;
+	allow-transfer { 10.53.0.3; };
+};
+
+zone "verify-reconfig" {
+	type primary;
+	file "verify-reconfig.db.signed";
+};
+
+zone "verify-unsigned" {
+	type primary;
+	file "verify.db.in";
+};
+
+zone "verify-untrusted" {
+	type primary;
+	file "verify-untrusted.db.signed";
+};
diff --git a/bin/tests/system/mirror/ns2/sign.sh b/bin/tests/system/mirror/ns2/sign.sh
new file mode 100644
index 0000000..519fd83
--- /dev/null
+++ b/bin/tests/system/mirror/ns2/sign.sh
@@ -0,0 +1,79 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+keys_to_trust=""
+
+for zonename in sub.example example initially-unavailable; do
+	zone=$zonename
+	infile=$zonename.db.in
+	zonefile=$zonename.db
+
+	keyname1=$($KEYGEN -a ${DEFAULT_ALGORITHM} -f KSK $zone 2> /dev/null)
+	keyname2=$($KEYGEN -a ${DEFAULT_ALGORITHM} $zone 2> /dev/null)
+
+	cat $infile $keyname1.key $keyname2.key > $zonefile
+
+	$SIGNER -P -g -o $zone $zonefile > /dev/null
+done
+
+# Only add the key for "initially-unavailable" to the list of keys trusted by
+# ns3.  "example" is expected to be validated using a chain of trust starting in
+# the "root" zone on ns1.
+keys_to_trust="$keys_to_trust $keyname1"
+
+# Prepare a zone signed using a Combined Signing Key (CSK) without the SEP bit
+# set and add that key to the list of keys to trust.
+zone=verify-csk
+infile=verify.db.in
+zonefile=verify-csk.db
+
+keyname=$($KEYGEN -a ${DEFAULT_ALGORITHM} $zone 2> /dev/null)
+cat $infile $keyname.key > $zonefile
+$SIGNER -P -o $zone $zonefile > /dev/null
+keys_to_trust="$keys_to_trust $keyname"
+
+# Prepare remaining zones used in the test.
+ORIGINAL_SERIAL=$(awk '$2 == "SOA" {print $5}' verify.db.in)
+UPDATED_SERIAL_BAD=$((ORIGINAL_SERIAL + 1))
+UPDATED_SERIAL_GOOD=$((ORIGINAL_SERIAL + 2))
+
+for variant in addzone axfr ixfr load reconfig untrusted; do
+	zone=verify-$variant
+	infile=verify.db.in
+	zonefile=verify-$variant.db
+
+	keyname1=$($KEYGEN -a ${DEFAULT_ALGORITHM} -f KSK $zone 2> /dev/null)
+	keyname2=$($KEYGEN -a ${DEFAULT_ALGORITHM} $zone 2> /dev/null)
+
+	cat $infile $keyname1.key $keyname2.key > $zonefile
+
+	# Prepare a properly signed version of the zone ("*.original.signed").
+	$SIGNER -P -o $zone $zonefile > /dev/null
+	cp $zonefile.signed $zonefile.original.signed
+	# Prepare a version of the zone with a bogus SOA RRSIG ("*.bad.signed").
+	sed "s/${ORIGINAL_SERIAL}/${UPDATED_SERIAL_BAD}/;" $zonefile.signed > $zonefile.bad.signed
+	# Prepare another properly signed version of the zone ("*.good.signed").
+	sed "s/${ORIGINAL_SERIAL}/${UPDATED_SERIAL_GOOD}/;" $zonefile > $zonefile.good
+	$SIGNER -P -o $zone $zonefile.good > /dev/null
+	rm -f $zonefile.good
+
+	# Except for the "verify-untrusted" zone, declare the KSK used for
+	# signing the zone to be a trust anchor for ns3.
+	if [ "$variant" != "untrusted" ]; then
+		keys_to_trust="$keys_to_trust $keyname1"
+	fi
+done
+
+keyfile_to_static_ds $keys_to_trust > trusted-mirror.conf
diff --git a/bin/tests/system/mirror/ns2/sub.example.db.in b/bin/tests/system/mirror/ns2/sub.example.db.in
new file mode 100644
index 0000000..d2c15c7
--- /dev/null
+++ b/bin/tests/system/mirror/ns2/sub.example.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	ns2.example. hostmaster 1 3600 1200 604800 3600
+@		NS	ns2.example.
+foo		A	127.0.0.1
diff --git a/bin/tests/system/mirror/ns2/verify.db.in b/bin/tests/system/mirror/ns2/verify.db.in
new file mode 100644
index 0000000..b3ed22a
--- /dev/null
+++ b/bin/tests/system/mirror/ns2/verify.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	ns2 hostmaster 2000010100 3600 1200 604800 3600
+@		NS	ns2
+ns2		A	10.53.0.2
diff --git a/bin/tests/system/mirror/ns3/named.args b/bin/tests/system/mirror/ns3/named.args
new file mode 100644
index 0000000..78f3feb
--- /dev/null
+++ b/bin/tests/system/mirror/ns3/named.args
@@ -0,0 +1 @@
+-D mirror-ns3 -X named.lock -m record -c named.conf -d 99 -g -U 4 -T maxcachesize=2097152 -T tat=3
diff --git a/bin/tests/system/mirror/ns3/named.conf.in b/bin/tests/system/mirror/ns3/named.conf.in
new file mode 100644
index 0000000..b644f45
--- /dev/null
+++ b/bin/tests/system/mirror/ns3/named.conf.in
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	allow-query-cache { 10.53.0.1; };
+	trust-anchor-telemetry yes;
+	allow-new-zones yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "." {
+	type mirror;
+	primaries { 10.53.0.1; };
+	file "root.db.mirror";
+};
+
+zone "initially-unavailable" {
+	type mirror;
+	primaries { 10.53.0.2; };
+	file "initially-unavailable.db.mirror";
+	use-alt-transfer-source no;
+};
+
+zone "verify-axfr" {
+	type mirror;
+	primaries { 10.53.0.2; };
+	file "verify-axfr.db.mirror";
+};
+
+zone "verify-csk" {
+	type mirror;
+	primaries { 10.53.0.2; };
+	file "verify-csk.db.mirror";
+};
+
+zone "verify-ixfr" {
+	type mirror;
+	primaries { 10.53.0.2; };
+	file "verify-ixfr.db.mirror";
+	masterfile-format text;
+};
+
+zone "verify-load" {
+	type mirror;
+	primaries { 10.53.0.2; };
+	file "verify-load.db.mirror";
+	masterfile-format text;
+};
+
+zone "verify-reconfig" {
+	type mirror;
+	primaries { 10.53.0.2; };
+	file "verify-reconfig.db.mirror";
+	masterfile-format text;
+};
+
+zone "verify-unsigned" {
+	type mirror;
+	primaries { 10.53.0.2; };
+	file "verify-unsigned.db.mirror";
+};
+
+zone "verify-untrusted" {
+	type mirror;
+	primaries { 10.53.0.2; };
+	file "verify-untrusted.db.mirror";
+};
+
+include "../ns1/trusted.conf";
+include "../ns2/trusted-mirror.conf";
diff --git a/bin/tests/system/mirror/setup.sh b/bin/tests/system/mirror/setup.sh
new file mode 100644
index 0000000..b80e797
--- /dev/null
+++ b/bin/tests/system/mirror/setup.sh
@@ -0,0 +1,25 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+
+( cd ns1 && $SHELL -e sign.sh )
+
+cat ns2/verify-axfr.db.bad.signed > ns2/verify-axfr.db.signed
+cat ns2/verify-load.db.bad.signed > ns3/verify-load.db.mirror
diff --git a/bin/tests/system/mirror/tests.sh b/bin/tests/system/mirror/tests.sh
new file mode 100644
index 0000000..dc6cffa
--- /dev/null
+++ b/bin/tests/system/mirror/tests.sh
@@ -0,0 +1,558 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT} -b 10.53.0.1 +dnssec +time=2 +tries=1 +multi"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+# Wait until the transfer of the given zone to ns3 either completes
+# successfully or is aborted by a verification failure or a REFUSED response
+# from the primary.  Note that matching on any transfer status is deliberately
+# avoided because some checks performed by this test cause transfer attempts to
+# end with the "IXFR failed" status, which is followed by an AXFR retry and
+# this test needs to check what the result of the latter transfer attempt is.
+wait_for_transfer() {
+	zone=$1
+	for i in 1 2 3 4 5 6 7 8 9 10; do
+		# Wait until a "freeing transfer context" message is logged
+		# after one of the transfer results we are looking for is
+		# logged.  This is needed to prevent races when checking for
+		# "mirror zone is now in use" messages.
+		nextpartpeek ns3/named.run | \
+			awk "matched; /'$zone\/IN'.*Transfer status: (success|verify failure|REFUSED)/ {matched=1}" | \
+			grep "'$zone/IN'.*freeing transfer context" > /dev/null && return
+		sleep 1
+	done
+	echo_i "exceeded time limit waiting for proof of '$zone' being transferred to appear in ns3/named.run"
+	ret=1
+}
+
+# Wait until loading the given zone on the given server either completes
+# successfully for the specified serial number or fails.
+wait_for_load() {
+	zone=$1
+	serial=$2
+	log=$3
+	for i in 1 2 3 4 5 6 7 8 9 10; do
+		# Wait until a "zone_postload: (...): done" message is logged
+		# after one of the loading-related messages we are looking for
+		# is logged.  This is needed to prevent races when checking for
+		# "mirror zone is now in use" messages.
+		nextpartpeek $log | \
+			awk "matched; /$zone.*(loaded serial $serial|unable to load)/ {matched=1}" | \
+			grep "zone_postload: zone $zone/IN: done" > /dev/null && return
+		sleep 1
+	done
+	echo_i "exceeded time limit waiting for proof of '$zone' being loaded to appear in $log"
+	ret=1
+}
+
+# Trigger a reload of ns2 and wait until loading the given zone completes.
+reload_zone() {
+	zone=$1
+	serial=$2
+	rndc_reload ns2 10.53.0.2
+	wait_for_load $zone $serial ns2/named.run
+}
+
+status=0
+n=0
+
+ORIGINAL_SERIAL=$(awk '$2 == "SOA" {print $5}' ns2/verify.db.in)
+UPDATED_SERIAL_BAD=$((ORIGINAL_SERIAL + 1))
+UPDATED_SERIAL_GOOD=$((ORIGINAL_SERIAL + 2))
+
+n=$((n + 1))
+echo_i "checking that an unsigned mirror zone is rejected ($n)"
+ret=0
+wait_for_transfer verify-unsigned
+$DIG $DIGOPTS @10.53.0.3 +norec verify-unsigned SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "${ORIGINAL_SERIAL}.*; serial" dig.out.ns3.test$n > /dev/null && ret=1
+nextpartpeek ns3/named.run | grep "verify-unsigned.*Zone contains no DNSSEC keys" > /dev/null || ret=1
+nextpartpeek ns3/named.run | grep "verify-unsigned.*mirror zone is now in use" > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that a mirror zone signed using an untrusted key is rejected ($n)"
+ret=0
+nextpartreset ns3/named.run
+wait_for_transfer verify-untrusted
+$DIG $DIGOPTS @10.53.0.3 +norec verify-untrusted SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "${ORIGINAL_SERIAL}.*; serial" dig.out.ns3.test$n > /dev/null && ret=1
+nextpartpeek ns3/named.run | grep "verify-untrusted.*No trusted DNSKEY found" > /dev/null || ret=1
+nextpartpeek ns3/named.run | grep "verify-untrusted.*mirror zone is now in use" > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that a mirror zone signed using a CSK without the SEP bit set is accepted ($n)"
+ret=0
+nextpartreset ns3/named.run
+wait_for_transfer verify-csk
+$DIG $DIGOPTS @10.53.0.3 +norec verify-csk SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null && ret=1
+grep "${ORIGINAL_SERIAL}.*; serial" dig.out.ns3.test$n > /dev/null || ret=1
+nextpartpeek ns3/named.run | grep "verify-csk.*mirror zone is now in use" > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that an AXFR of an incorrectly signed mirror zone is rejected ($n)"
+ret=0
+nextpartreset ns3/named.run
+wait_for_transfer verify-axfr
+$DIG $DIGOPTS @10.53.0.3 +norec verify-axfr SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "${UPDATED_SERIAL_BAD}.*; serial" dig.out.ns3.test$n > /dev/null && ret=1
+nextpartpeek ns3/named.run | grep "No correct ${DEFAULT_ALGORITHM} signature for verify-axfr SOA" > /dev/null || ret=1
+nextpartpeek ns3/named.run | grep "verify-axfr.*mirror zone is now in use" > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that an AXFR of an updated, correctly signed mirror zone is accepted ($n)"
+ret=0
+nextpart ns3/named.run > /dev/null
+cat ns2/verify-axfr.db.good.signed > ns2/verify-axfr.db.signed
+reload_zone verify-axfr ${UPDATED_SERIAL_GOOD}
+$RNDCCMD 10.53.0.3 retransfer verify-axfr > /dev/null 2>&1
+wait_for_transfer verify-axfr
+$DIG $DIGOPTS @10.53.0.3 +norec verify-axfr SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null && ret=1
+grep "${UPDATED_SERIAL_GOOD}.*; serial" dig.out.ns3.test$n > /dev/null || ret=1
+nextpartpeek ns3/named.run | grep "verify-axfr.*mirror zone is now in use" > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that an IXFR of an incorrectly signed mirror zone is rejected ($n)"
+nextpartreset ns3/named.run
+ret=0
+wait_for_transfer verify-ixfr
+# Sanity check: the initial, properly signed version of the zone should have
+# been announced as coming into effect.
+nextpart ns3/named.run | grep "verify-ixfr.*mirror zone is now in use" > /dev/null || ret=1
+# Make a copy of the original zone file for reuse in journal tests below.
+cp ns2/verify-ixfr.db.signed ns3/verify-journal.db.mirror
+# Wait 1 second so that the zone file timestamp changes and the subsequent
+# invocation of "rndc reload" triggers a zone reload.
+sleep 1
+cat ns2/verify-ixfr.db.bad.signed > ns2/verify-ixfr.db.signed
+reload_zone verify-ixfr ${UPDATED_SERIAL_BAD}
+# Make a copy of the bad zone journal for reuse in journal tests below.
+cp ns2/verify-ixfr.db.signed.jnl ns3/verify-journal.db.bad.mirror.jnl
+# Trigger IXFR.
+$RNDCCMD 10.53.0.3 refresh verify-ixfr > /dev/null 2>&1
+wait_for_transfer verify-ixfr
+# Ensure the transfer was incremental as expected.
+if [ $(nextpartpeek ns3/named.run | grep "verify-ixfr.*got incremental response" | wc -l) -eq 0 ]; then
+	echo_i "failed: did not get an incremental response"
+	ret=1
+fi
+# Ensure the new, bad version of the zone was not accepted.
+$DIG $DIGOPTS @10.53.0.3 +norec verify-ixfr SOA > dig.out.ns3.test$n 2>&1 || ret=1
+# A positive answer is expected as the original version of the "verify-ixfr"
+# zone should have been successfully verified.
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null && ret=1
+grep "${UPDATED_SERIAL_BAD}.*; serial" dig.out.ns3.test$n > /dev/null && ret=1
+nextpartpeek ns3/named.run | grep "No correct ${DEFAULT_ALGORITHM} signature for verify-ixfr SOA" > /dev/null || ret=1
+# Despite the verification failure for this IXFR, this mirror zone should still
+# be in use as its previous version should have been verified successfully.
+nextpartpeek ns3/named.run | grep "verify-ixfr.*mirror zone is no longer in use" > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that an IXFR of an updated, correctly signed mirror zone is accepted after AXFR failover ($n)"
+ret=0
+nextpart ns3/named.run > /dev/null
+# Wait 1 second so that the zone file timestamp changes and the subsequent
+# invocation of "rndc reload" triggers a zone reload.
+sleep 1
+cat ns2/verify-ixfr.db.good.signed > ns2/verify-ixfr.db.signed
+reload_zone verify-ixfr ${UPDATED_SERIAL_GOOD}
+# Make a copy of the good zone journal for reuse in journal tests below.
+cp ns2/verify-ixfr.db.signed.jnl ns3/verify-journal.db.good.mirror.jnl
+# Trigger IXFR.
+$RNDCCMD 10.53.0.3 refresh verify-ixfr > /dev/null 2>&1
+wait_for_transfer verify-ixfr
+# Ensure the new, good version of the zone was accepted.
+$DIG $DIGOPTS @10.53.0.3 +norec verify-ixfr SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null && ret=1
+grep "${UPDATED_SERIAL_GOOD}.*; serial" dig.out.ns3.test$n > /dev/null || ret=1
+# The log message announcing the mirror zone coming into effect should not have
+# been logged this time since the mirror zone in question is expected to
+# already be in use before this test case is checked.
+nextpartpeek ns3/named.run | grep "verify-ixfr.*mirror zone is now in use" > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that loading an incorrectly signed mirror zone from disk fails ($n)"
+ret=0
+nextpartreset ns3/named.run
+wait_for_load verify-load ${UPDATED_SERIAL_BAD} ns3/named.run
+$DIG $DIGOPTS @10.53.0.3 +norec verify-load SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "${UPDATED_SERIAL_BAD}.*; serial" dig.out.ns3.test$n > /dev/null && ret=1
+nextpartpeek ns3/named.run | grep "No correct ${DEFAULT_ALGORITHM} signature for verify-load SOA" > /dev/null || ret=1
+nextpartpeek ns3/named.run | grep "verify-load.*mirror zone is now in use" > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "ensuring trust anchor telemetry queries are sent upstream for a mirror zone ($n)"
+ret=0
+# ns3 is started with "-T tat=3", so TAT queries should have already been sent.
+grep "_ta-[-0-9a-f]*/NULL" ns1/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that loading a correctly signed mirror zone from disk succeeds ($n)"
+ret=0
+stop_server --use-rndc --port ${CONTROLPORT} ns3
+cat ns2/verify-load.db.good.signed > ns3/verify-load.db.mirror
+nextpart ns3/named.run > /dev/null
+start_server --noclean --restart --port ${PORT} ns3
+wait_for_load verify-load ${UPDATED_SERIAL_GOOD} ns3/named.run
+$DIG $DIGOPTS @10.53.0.3 +norec verify-load SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null && ret=1
+grep "${UPDATED_SERIAL_GOOD}.*; serial" dig.out.ns3.test$n > /dev/null || ret=1
+nextpartpeek ns3/named.run | grep "verify-load.*mirror zone is now in use" > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that loading a journal for an incorrectly signed mirror zone fails ($n)"
+ret=0
+stop_server --use-rndc --port ${CONTROLPORT} ns3
+cp ns3/verify-journal.db.mirror ns3/verify-ixfr.db.mirror
+cp ns3/verify-journal.db.bad.mirror.jnl ns3/verify-ixfr.db.mirror.jnl
+# Temporarily disable transfers of the "verify-ixfr" zone on ns2.  This is
+# required to reliably test whether the message announcing the mirror zone
+# coming into effect is not logged after a failed journal verification since
+# otherwise a corrected version of the zone may be transferred after
+# verification fails but before we look for the aforementioned log message.
+# (NOTE: Keep the embedded newline in the sed function list below.)
+sed '/^zone "verify-ixfr" {$/,/^};$/ {
+	s/10.53.0.3/10.53.0.254/
+}' ns2/named.conf > ns2/named.conf.modified
+mv ns2/named.conf.modified ns2/named.conf
+rndc_reconfig ns2 10.53.0.2
+nextpart ns3/named.run > /dev/null
+start_server --noclean --restart --port ${PORT} ns3
+wait_for_load verify-ixfr ${UPDATED_SERIAL_BAD} ns3/named.run
+$DIG $DIGOPTS @10.53.0.3 +norec verify-ixfr SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "${UPDATED_SERIAL_BAD}.*; serial" dig.out.ns3.test$n > /dev/null && ret=1
+nextpartpeek ns3/named.run | grep "No correct ${DEFAULT_ALGORITHM} signature for verify-ixfr SOA" > /dev/null || ret=1
+nextpartpeek ns3/named.run | grep "verify-ixfr.*mirror zone is now in use" > /dev/null && ret=1
+# Restore transfers for the "verify-ixfr" zone on ns2.
+# (NOTE: Keep the embedded newline in the sed function list below.)
+sed '/^zone "verify-ixfr" {$/,/^};$/ {
+	s/10.53.0.254/10.53.0.3/
+}' ns2/named.conf > ns2/named.conf.modified
+mv ns2/named.conf.modified ns2/named.conf
+rndc_reconfig ns2 10.53.0.2
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that loading a journal for a correctly signed mirror zone succeeds ($n)"
+ret=0
+stop_server --use-rndc --port ${CONTROLPORT} ns3
+cp ns3/verify-journal.db.mirror ns3/verify-ixfr.db.mirror
+cp ns3/verify-journal.db.good.mirror.jnl ns3/verify-ixfr.db.mirror.jnl
+nextpart ns3/named.run > /dev/null
+start_server --noclean --restart --port ${PORT} ns3
+wait_for_load verify-ixfr ${UPDATED_SERIAL_GOOD} ns3/named.run
+$DIG $DIGOPTS @10.53.0.3 +norec verify-ixfr SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null && ret=1
+grep "${UPDATED_SERIAL_GOOD}.*; serial" dig.out.ns3.test$n > /dev/null || ret=1
+nextpartpeek ns3/named.run | grep "verify-ixfr.*mirror zone is now in use" > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking delegations sourced from a mirror zone ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 foo.example A +norec > dig.out.ns3.test$n 2>&1 || ret=1
+# Check response code and flags in the answer.
+grep "NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.* ad" dig.out.ns3.test$n > /dev/null && ret=1
+# Check that a delegation containing a DS RRset and glue is present.
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null || ret=1
+grep "example.*IN.*NS" dig.out.ns3.test$n > /dev/null || ret=1
+grep "example.*IN.*DS" dig.out.ns3.test$n > /dev/null || ret=1
+grep "ns2.example.*A.*10.53.0.2" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that resolution involving a mirror zone works as expected ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 foo.example A > dig.out.ns3.test$n 2>&1 || ret=1
+# Check response code and flags in the answer.
+grep "NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.* ad" dig.out.ns3.test$n > /dev/null || ret=1
+# Ensure ns1 was not queried.
+grep "query 'foo.example/A/IN'" ns1/named.run > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that non-recursive queries for names below mirror zone get responded from cache ($n)"
+ret=0
+# Issue a non-recursive query for an RRset which is expected to be in cache.
+$DIG $DIGOPTS @10.53.0.3 +norec foo.example. A > dig.out.ns3.test$n 2>&1 || ret=1
+# Check response code and flags in the answer.
+grep "NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.* ad" dig.out.ns3.test$n > /dev/null || ret=1
+# Ensure the response is not a delegation.
+grep "ANSWER: 0" dig.out.ns3.test$n > /dev/null && ret=1
+grep "foo.example.*IN.*A.*127.0.0.1" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that delegations from cache which improve mirror zone delegations are properly handled ($n)"
+ret=0
+# First, issue a recursive query in order to cache an RRset which is not within
+# the mirror zone's bailiwick.
+$DIG $DIGOPTS @10.53.0.3 sub.example. NS > dig.out.ns3.test$n.1 2>&1 || ret=1
+# Ensure the child-side NS RRset is returned.
+grep "NOERROR" dig.out.ns3.test$n.1 > /dev/null || ret=1
+grep "ANSWER: 2" dig.out.ns3.test$n.1 > /dev/null || ret=1
+grep "sub.example.*IN.*NS" dig.out.ns3.test$n.1 > /dev/null || ret=1
+# Issue a non-recursive query for something below the cached zone cut.
+$DIG $DIGOPTS @10.53.0.3 +norec foo.sub.example. A > dig.out.ns3.test$n.2 2>&1 || ret=1
+# Ensure the cached NS RRset is returned in a delegation, along with the
+# parent-side DS RRset.
+grep "NOERROR" dig.out.ns3.test$n.2 > /dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns3.test$n.2 > /dev/null || ret=1
+grep "sub.example.*IN.*NS" dig.out.ns3.test$n.2 > /dev/null || ret=1
+grep "sub.example.*IN.*DS" dig.out.ns3.test$n.2 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking flags set in a DNSKEY response sourced from a mirror zone ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 . DNSKEY > dig.out.ns3.test$n 2>&1 || ret=1
+# Check response code and flags in the answer.
+grep "NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.* aa" dig.out.ns3.test$n > /dev/null && ret=1
+grep "flags:.* ad" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking flags set in a SOA response sourced from a mirror zone ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 . SOA > dig.out.ns3.test$n 2>&1 || ret=1
+# Check response code and flags in the answer.
+grep "NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.* aa" dig.out.ns3.test$n > /dev/null && ret=1
+grep "flags:.* ad" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that resolution succeeds with unavailable mirror zone data ($n)"
+ret=0
+wait_for_transfer initially-unavailable
+# Query for a record in a zone that is set up to be mirrored, but
+# untransferrable from the configured primary.  Resolution should still succeed.
+$DIG $DIGOPTS @10.53.0.3 foo.initially-unavailable. A > dig.out.ns3.test$n.1 2>&1 || ret=1
+# Check response code and flags in the answer.
+grep "NOERROR" dig.out.ns3.test$n.1 > /dev/null || ret=1
+grep "flags:.* ad" dig.out.ns3.test$n.1 > /dev/null || ret=1
+# Sanity check: the authoritative server should have been queried.
+nextpart ns2/named.run | grep "query 'foo.initially-unavailable/A/IN'" > /dev/null || ret=1
+# Reconfigure ns2 so that the zone can be mirrored on ns3.
+sed '/^zone "initially-unavailable" {$/,/^};$/ {
+	s/10.53.0.254/10.53.0.3/
+}' ns2/named.conf > ns2/named.conf.modified
+mv ns2/named.conf.modified ns2/named.conf
+rndc_reconfig ns2 10.53.0.2
+# Flush the cache on ns3 and retransfer the mirror zone.
+$RNDCCMD 10.53.0.3 flush > /dev/null 2>&1
+nextpart ns3/named.run > /dev/null
+$RNDCCMD 10.53.0.3 retransfer initially-unavailable > /dev/null 2>&1
+wait_for_transfer initially-unavailable
+# Query for the same record again.  Resolution should still succeed.
+$DIG $DIGOPTS @10.53.0.3 foo.initially-unavailable. A > dig.out.ns3.test$n.2 2>&1 || ret=1
+# Check response code and flags in the answer.
+grep "NOERROR" dig.out.ns3.test$n.2 > /dev/null || ret=1
+grep "flags:.* ad" dig.out.ns3.test$n.2 > /dev/null || ret=1
+# Ensure the authoritative server was not queried.
+nextpart ns2/named.run | grep "query 'foo.initially-unavailable/A/IN'" > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that resolution succeeds with expired mirror zone data ($n)"
+ret=0
+# Reconfigure ns2 so that the zone from the previous test can no longer be
+# mirrored on ns3.
+sed '/^zone "initially-unavailable" {$/,/^};$/ {
+	s/10.53.0.3/10.53.0.254/
+}' ns2/named.conf > ns2/named.conf.modified
+mv ns2/named.conf.modified ns2/named.conf
+rndc_reconfig ns2 10.53.0.2
+# Stop ns3, update the timestamp of the zone file to one far in the past, then
+# restart ns3.
+stop_server --use-rndc --port ${CONTROLPORT} ns3
+touch -t 200001010000 ns3/initially-unavailable.db.mirror
+nextpart ns3/named.run > /dev/null
+start_server --noclean --restart --port ${PORT} ns3
+# Ensure named attempts to retransfer the zone due to its expiry.
+wait_for_transfer initially-unavailable
+# Ensure the expected messages were logged.
+nextpartpeek ns3/named.run | grep "initially-unavailable.*expired" > /dev/null || ret=1
+nextpartpeek ns3/named.run | grep "initially-unavailable.*mirror zone is no longer in use" > /dev/null || ret=1
+# Query for a record in the expired zone.  Resolution should still succeed.
+$DIG $DIGOPTS @10.53.0.3 foo.initially-unavailable. A > dig.out.ns3.test$n 2>&1 || ret=1
+# Check response code and flags in the answer.
+grep "NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.* ad" dig.out.ns3.test$n > /dev/null || ret=1
+# Sanity check: the authoritative server should have been queried.
+nextpart ns2/named.run | grep "query 'foo.initially-unavailable/A/IN'" > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that clients without cache access cannot retrieve mirror zone data ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 -b 10.53.0.3 +norec . SOA > dig.out.ns3.test$n 2>&1 || ret=1
+# Check response code and flags in the answer.
+grep "REFUSED" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.* ad" dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that outgoing transfers of mirror zones are disabled by default ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.3 . AXFR > dig.out.ns3.test$n 2>&1 || ret=1
+grep "; Transfer failed" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that notifies are disabled by default for mirror zones ($n)"
+ret=0
+grep "initially-unavailable.*sending notifies" ns3/named.run > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking output of \"rndc zonestatus\" for a mirror zone ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 zonestatus . > rndc.out.ns3.test$n 2>&1
+grep "type: mirror" rndc.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that \"rndc reconfig\" properly handles a mirror -> secondary zone type change ($n)"
+ret=0
+# Sanity check before we start.
+$DIG $DIGOPTS @10.53.0.3 +norec verify-reconfig SOA > dig.out.ns3.test$n.1 2>&1 || ret=1
+grep "NOERROR" dig.out.ns3.test$n.1 > /dev/null || ret=1
+grep "flags:.* aa" dig.out.ns3.test$n.1 > /dev/null && ret=1
+grep "flags:.* ad" dig.out.ns3.test$n.1 > /dev/null || ret=1
+# Reconfigure the zone so that it is no longer a mirror zone.
+# (NOTE: Keep the embedded newline in the sed function list below.)
+sed '/^zone "verify-reconfig" {$/,/^};$/ {
+	s/type mirror;/type secondary;/
+}' ns3/named.conf > ns3/named.conf.modified
+mv ns3/named.conf.modified ns3/named.conf
+nextpart ns3/named.run > /dev/null
+rndc_reconfig ns3 10.53.0.3
+# Zones whose type was changed should not be reusable, which means the tested
+# zone should have been reloaded from disk.
+wait_for_load verify-reconfig ${ORIGINAL_SERIAL} ns3/named.run
+# Ensure responses sourced from the reconfigured zone have AA=1 and AD=0.
+$DIG $DIGOPTS @10.53.0.3 +norec verify-reconfig SOA > dig.out.ns3.test$n.2 2>&1 || ret=1
+grep "NOERROR" dig.out.ns3.test$n.2 > /dev/null || ret=1
+grep "flags:.* aa" dig.out.ns3.test$n.2 > /dev/null || ret=1
+grep "flags:.* ad" dig.out.ns3.test$n.2 > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that \"rndc reconfig\" properly handles a secondary -> mirror zone type change ($n)"
+ret=0
+# Put an incorrectly signed version of the zone in the zone file used by ns3.
+nextpart ns3/named.run > /dev/null
+cat ns2/verify-reconfig.db.bad.signed > ns3/verify-reconfig.db.mirror
+# Reconfigure the zone so that it is a mirror zone again.
+# (NOTE: Keep the embedded newline in the sed function list below.)
+sed '/^zone "verify-reconfig" {$/,/^};$/ {
+	s/type secondary;/type mirror;/
+}' ns3/named.conf > ns3/named.conf.modified
+mv ns3/named.conf.modified ns3/named.conf
+rndc_reconfig ns3 10.53.0.3
+# The reconfigured zone should fail verification.
+wait_for_load verify-reconfig ${UPDATED_SERIAL_BAD} ns3/named.run
+$DIG $DIGOPTS @10.53.0.3 +norec verify-reconfig SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "${UPDATED_SERIAL_BAD}.*; serial" dig.out.ns3.test$n > /dev/null && ret=1
+nextpart ns3/named.run | grep "No correct ${DEFAULT_ALGORITHM} signature for verify-reconfig SOA" > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that a mirror zone can be added using rndc ($n)"
+ret=0
+# Sanity check: the zone should not exist in the root zone.
+$DIG $DIGOPTS @10.53.0.3 +norec verify-addzone SOA > dig.out.ns3.test$n.1 2>&1 || ret=1
+grep "NXDOMAIN" dig.out.ns3.test$n.1 > /dev/null || ret=1
+grep "flags:.* aa" dig.out.ns3.test$n.1 > /dev/null && ret=1
+grep "flags:.* ad" dig.out.ns3.test$n.1 > /dev/null || ret=1
+# Mirror a zone which does not exist in the root zone.
+nextpart ns3/named.run > /dev/null
+$RNDCCMD 10.53.0.3 addzone verify-addzone '{ type mirror; primaries { 10.53.0.2; }; };' > rndc.out.ns3.test$n 2>&1 || ret=1
+wait_for_transfer verify-addzone
+# Check whether the mirror zone was added and whether it behaves as expected.
+$DIG $DIGOPTS @10.53.0.3 +norec verify-addzone SOA > dig.out.ns3.test$n.2 2>&1 || ret=1
+grep "NOERROR" dig.out.ns3.test$n.2 > /dev/null || ret=1
+grep "flags:.* aa" dig.out.ns3.test$n.2 > /dev/null && ret=1
+grep "flags:.* ad" dig.out.ns3.test$n.2 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that a mirror zone can be deleted using rndc ($n)"
+ret=0
+# Remove the mirror zone added in the previous test.
+nextpart ns3/named.run > /dev/null
+$RNDCCMD 10.53.0.3 delzone verify-addzone > rndc.out.ns3.test$n 2>&1 || ret=1
+wait_for_log 20 "zone verify-addzone/IN: mirror zone is no longer in use; reverting to normal recursion" ns3/named.run || ret=1
+# Check whether the mirror zone was removed.
+$DIG $DIGOPTS @10.53.0.3 +norec verify-addzone SOA > dig.out.ns3.test$n 2>&1 || ret=1
+grep "NXDOMAIN" dig.out.ns3.test$n > /dev/null || ret=1
+grep "flags:.* aa" dig.out.ns3.test$n > /dev/null && ret=1
+grep "flags:.* ad" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/mirror/tests_sh_mirror.py b/bin/tests/system/mirror/tests_sh_mirror.py
new file mode 100644
index 0000000..f8d6b9d
--- /dev/null
+++ b/bin/tests/system/mirror/tests_sh_mirror.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_mirror(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/mkeys/README b/bin/tests/system/mkeys/README
new file mode 100644
index 0000000..25637bf
--- /dev/null
+++ b/bin/tests/system/mkeys/README
@@ -0,0 +1,34 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+This is for testing RFC 5011 Automated Updates of DNSSEC Trust Anchors.
+
+ns1 is the root server that offers new KSKs and hosts one record for
+testing. The TTL for the zone's records is 2 seconds.
+
+ns2 is a validator that uses managed keys.  "-T mkeytimers=2/20/40"
+is used so it will attempt do automated updates frequently. "-T tat=1"
+is used so it will send TAT queries once per second.
+
+ns3 is a validator with a broken initializing key in trust-anchors.
+
+ns4 is a validator with a deliberately broken managed-keys.bind and
+managed-keys.jnl, causing RFC 5011 initialization to fail.
+
+ns5 is a validator which is prevented from getting a response from the
+root server, causing key refresh queries to fail.
+
+ns6 is a validator which has unsupported algorithms, one at start up,
+one because of an algorithm rollover.
+
+ns7 is a validator with multiple views configured.  It is used for
+testing per-view rndc commands and checking interactions between options
+related to and potentially affecting RFC 5011 processing.
diff --git a/bin/tests/system/mkeys/clean.sh b/bin/tests/system/mkeys/clean.sh
new file mode 100644
index 0000000..3f297a2
--- /dev/null
+++ b/bin/tests/system/mkeys/clean.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */K* */*.signed */trusted.conf */*.jnl */*.bk
+rm -f */island.conf
+rm -f */private.conf
+rm -f */managed*.conf ns1/managed.key ns1/managed.key.id
+rm -f */managed-keys.bind* */named.secroots
+rm -f */named.conf
+rm -f */named.memstats */named.run */named.run.prev
+rm -f dig.out* delv.out* rndc.out* signer.out*
+rm -f dsset-. ns1/dsset-.
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.lock
+rm -f ns1/dsset-sub.tld.
+rm -f ns1/dsset-tld.
+rm -f ns1/named.secroots ns1/root.db.signed* ns1/root.db.tmp
+rm -f ns1/zone.key
+rm -f ns3/broken.conf
+rm -f ns4/dsset-sub.foo.
+rm -f ns5/named.args
+rm -f ns7/view1.mkeys ns7/view2.mkeys
+rm -rf ns4/nope
diff --git a/bin/tests/system/mkeys/ns1/named1.conf.in b/bin/tests/system/mkeys/ns1/named1.conf.in
new file mode 100644
index 0000000..0b3f068
--- /dev/null
+++ b/bin/tests/system/mkeys/ns1/named1.conf.in
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+acl allowed {
+	! 10.53.0.5;
+	any;
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	dnssec-validation yes;
+	allow-query { allowed; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+	allow-update { any; };
+	auto-dnssec maintain;
+};
+
+zone "tld" {
+	type primary;
+	file "tld.db.signed";
+};
+
+zone "sub.tld" {
+	type primary;
+	file "sub.tld.db.signed";
+};
diff --git a/bin/tests/system/mkeys/ns1/named2.conf.in b/bin/tests/system/mkeys/ns1/named2.conf.in
new file mode 100644
index 0000000..4271668
--- /dev/null
+++ b/bin/tests/system/mkeys/ns1/named2.conf.in
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+acl allowed {
+	! 10.53.0.5;
+	any;
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	dnssec-validation yes;
+	allow-query { allowed; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+zone "tld" {
+	type primary;
+	file "tld.db.signed";
+};
+
+zone "sub.tld" {
+	type primary;
+	file "sub.tld.db.signed";
+};
diff --git a/bin/tests/system/mkeys/ns1/named3.conf.in b/bin/tests/system/mkeys/ns1/named3.conf.in
new file mode 100644
index 0000000..686177e
--- /dev/null
+++ b/bin/tests/system/mkeys/ns1/named3.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+zone "tld" {
+	type primary;
+	file "tld.db.signed";
+};
+
+zone "sub.tld" {
+	type primary;
+	file "sub.tld.db.signed";
+};
diff --git a/bin/tests/system/mkeys/ns1/root.db b/bin/tests/system/mkeys/ns1/root.db
new file mode 100644
index 0000000..bc83788
--- /dev/null
+++ b/bin/tests/system/mkeys/ns1/root.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 20
+.                      IN SOA  gson.nominum.com. a.root.servers.nil. (
+                               2000042100      ; serial
+                               600             ; refresh
+                               600             ; retry
+                               1200            ; expire
+                               2               ; minimum
+                               )
+.                      NS      a.root-servers.nil.
+a.root-servers.nil.    A       10.53.0.1
+
+; no delegation
+
+example.               TXT     "This is a test."
+
+tld.		       NS      ns.tld.
+ns.tld.		       A       10.53.0.1
diff --git a/bin/tests/system/mkeys/ns1/sign.sh b/bin/tests/system/mkeys/ns1/sign.sh
new file mode 100644
index 0000000..626e18f
--- /dev/null
+++ b/bin/tests/system/mkeys/ns1/sign.sh
@@ -0,0 +1,93 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=sub.tld
+zonefile=sub.tld.db
+
+keyname=$($KEYGEN -a ${DEFAULT_ALGORITHM} -qfk $zone)
+zskkeyname=$($KEYGEN -a ${DEFAULT_ALGORITHM} -q $zone)
+
+$SIGNER -Sg -o $zone $zonefile > /dev/null 2>/dev/null
+keyfile_to_initial_ds $keyname > island.conf
+cp island.conf ../ns5/island.conf
+
+zone=tld
+zonefile=tld.db
+
+keyname=$($KEYGEN -a ${DEFAULT_ALGORITHM} -qfk $zone)
+zskkeyname=$($KEYGEN -a ${DEFAULT_ALGORITHM} -q $zone)
+
+$SIGNER -Sg -o $zone $zonefile > /dev/null 2>/dev/null
+
+zone=.
+zonefile=root.db
+
+keyname=$($KEYGEN -a ${DEFAULT_ALGORITHM} -qfk $zone)
+zskkeyname=$($KEYGEN -a ${DEFAULT_ALGORITHM} -q $zone)
+
+$SIGNER -Sg -o $zone $zonefile > /dev/null 2>/dev/null
+
+# Configure the resolving server with an initializing key.
+keyfile_to_initial_ds $keyname > managed.conf
+cp managed.conf ../ns2/managed.conf
+cp managed.conf ../ns4/managed.conf
+cp managed.conf ../ns5/managed.conf
+
+# Configure broken trust anchor for ns3
+# Rotate each nibble in the digest by -1
+$DSFROMKEY $keyname.key |
+awk '!/^; /{
+            printf "trust-anchors {\n"
+            printf "\t\""$1"\" initial-ds "
+            printf $4 " " $5 " " $6 " \""
+            for (i=7; i<=NF; i++) {
+		# rotate digest
+		digest=$i
+		gsub("0", ":", digest)
+		gsub("1", "0", digest)
+		gsub("2", "1", digest)
+		gsub("3", "2", digest)
+		gsub("4", "3", digest)
+		gsub("5", "4", digest)
+		gsub("6", "5", digest)
+		gsub("7", "6", digest)
+		gsub("8", "7", digest)
+		gsub("9", "8", digest)
+		gsub("A", "9", digest)
+		gsub("B", "A", digest)
+		gsub("C", "B", digest)
+		gsub("D", "C", digest)
+		gsub("E", "D", digest)
+		gsub("F", "E", digest)
+		gsub(":", "F", digest)
+		printf digest
+	    }
+	    printf "\";\n"
+	    printf "};\n"
+	}' > ../ns3/broken.conf
+
+# Configure a static key to be used by delv.
+keyfile_to_static_ds $keyname > trusted.conf
+
+# Prepare an unsupported algorithm key.
+unsupportedkey=Kunknown.+255+00000
+cp unsupported.key "${unsupportedkey}.key"
+
+#
+#  Save keyname and keyid for managed key id test.
+#
+echo "$keyname" > managed.key
+echo "$zskkeyname" > zone.key
+keyfile_to_key_id $keyname > managed.key.id
diff --git a/bin/tests/system/mkeys/ns1/sub.tld.db b/bin/tests/system/mkeys/ns1/sub.tld.db
new file mode 100644
index 0000000..35d4361
--- /dev/null
+++ b/bin/tests/system/mkeys/ns1/sub.tld.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 20
+sub.tld.               IN SOA  marka.isc.org. ns.sub.tld. (
+                               2000042100      ; serial
+                               600             ; refresh
+                               600             ; retry
+                               1200            ; expire
+                               2               ; minimum
+                               )
+sub.tld.	       NS      ns.sub.tld.
+ns.sub.tld.	       A       10.53.0.1
diff --git a/bin/tests/system/mkeys/ns1/tld.db b/bin/tests/system/mkeys/ns1/tld.db
new file mode 100644
index 0000000..5c54e0e
--- /dev/null
+++ b/bin/tests/system/mkeys/ns1/tld.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 20
+tld.                   IN SOA  marka.isc.org. ns.tld. (
+                               2000042100      ; serial
+                               600             ; refresh
+                               600             ; retry
+                               1200            ; expire
+                               2               ; minimum
+                               )
+tld.		       NS      ns.tld.
+ns.tld.		       A       10.53.0.1
+sub.tld.	       NS      ns.sub.tld.
+ns.sub.tld.	       A       10.53.0.1
diff --git a/bin/tests/system/mkeys/ns1/unsupported.key b/bin/tests/system/mkeys/ns1/unsupported.key
new file mode 100644
index 0000000..7435d03
--- /dev/null
+++ b/bin/tests/system/mkeys/ns1/unsupported.key
@@ -0,0 +1 @@
+.	IN	DNSKEY	257 3 255 BJiXuidPHuGIne8GlCBLG+Oq/FZruQd2s3uBo+SxY16NUP/Vwl8MctMK62KsblDU1gIJAdEMVep2tsOkuSm0bIbJ8NBex+N9rSvzH2YJlDCT9QnNfv4q5RRTcVA3lk9nkmWHo6zcAT33yuS+THOCSznOMCJRq8JGZ6xqMJLv9FucuK6CCe6QBAZ5e98dpyGTWQLu7AERKKFqda9YCk3KQfdzx/HZ4SpQpRLncIXvGm1PIMT8Ar95NB/BsFJGwr5ZTaQtRYOXf2DD7wD3pfMsTJCdZyC0J0EtGBG109I+Oou1cswUfqZLXip/aV3eaBAUqLcZpg8P8vAbrvEq4uMS4OMZeXL6nu0irrdS1Pqmax8RsC+x3fg9EBH3QmHroJZtiU5h+0x4qApp7HE4Z5zFRuxIp9iB
diff --git a/bin/tests/system/mkeys/ns2/named.args b/bin/tests/system/mkeys/ns2/named.args
new file mode 100644
index 0000000..e588c91
--- /dev/null
+++ b/bin/tests/system/mkeys/ns2/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -D mkeys-ns2 -X named.lock -g -T maxcachesize=2097152 -T mkeytimers=5/10/20 -T tat=1
diff --git a/bin/tests/system/mkeys/ns2/named.conf.in b/bin/tests/system/mkeys/ns2/named.conf.in
new file mode 100644
index 0000000..1c77556
--- /dev/null
+++ b/bin/tests/system/mkeys/ns2/named.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation auto;
+	bindkeys-file "managed.conf";
+	servfail-ttl 0;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/mkeys/ns3/named.args b/bin/tests/system/mkeys/ns3/named.args
new file mode 100644
index 0000000..28396c3
--- /dev/null
+++ b/bin/tests/system/mkeys/ns3/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -D mkeys-ns3 -X named.lock -g -T maxcachesize=2097152 -T mkeytimers=5/10/20
diff --git a/bin/tests/system/mkeys/ns3/named.conf.in b/bin/tests/system/mkeys/ns3/named.conf.in
new file mode 100644
index 0000000..374b184
--- /dev/null
+++ b/bin/tests/system/mkeys/ns3/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation yes;
+	bindkeys-file "managed.conf";
+	trust-anchor-telemetry no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "broken.conf";
diff --git a/bin/tests/system/mkeys/ns4/named.conf.in b/bin/tests/system/mkeys/ns4/named.conf.in
new file mode 100644
index 0000000..5c23708
--- /dev/null
+++ b/bin/tests/system/mkeys/ns4/named.conf.in
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation auto;
+	bindkeys-file "managed.conf";
+	managed-keys-directory "nope";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "sub.foo" {
+	type primary;
+	file "sub.foo.db.signed";
+};
diff --git a/bin/tests/system/mkeys/ns4/sign.sh b/bin/tests/system/mkeys/ns4/sign.sh
new file mode 100644
index 0000000..d364e8e
--- /dev/null
+++ b/bin/tests/system/mkeys/ns4/sign.sh
@@ -0,0 +1,24 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=sub.foo
+zonefile=sub.foo.db
+
+keyname=$($KEYGEN -a ${DEFAULT_ALGORITHM} -qfk $zone)
+zskkeyname=$($KEYGEN -a ${DEFAULT_ALGORITHM} -q $zone)
+
+$SIGNER -Sg -o $zone $zonefile > /dev/null 2>/dev/null
+keyfile_to_initial_ds $keyname > private.conf
+cp private.conf ../ns5/private.conf
diff --git a/bin/tests/system/mkeys/ns4/sub.foo.db b/bin/tests/system/mkeys/ns4/sub.foo.db
new file mode 100644
index 0000000..7bc3104
--- /dev/null
+++ b/bin/tests/system/mkeys/ns4/sub.foo.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 20
+sub.foo.               IN SOA  marka.isc.org. ns.foo. (
+                               2000042100      ; serial
+                               600             ; refresh
+                               600             ; retry
+                               1200            ; expire
+                               2               ; minimum
+                               )
+sub.foo.	       NS      ns.sub.foo.
+ns.sub.foo.	       A       10.53.0.4
diff --git a/bin/tests/system/mkeys/ns5/foo.db b/bin/tests/system/mkeys/ns5/foo.db
new file mode 100644
index 0000000..092a1c3
--- /dev/null
+++ b/bin/tests/system/mkeys/ns5/foo.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 20
+foo.                   IN SOA  marka.isc.org. ns.foo. (
+                               2000042100      ; serial
+                               600             ; refresh
+                               600             ; retry
+                               1200            ; expire
+                               2               ; minimum
+                               )
+foo.		       NS      ns.foo.
+ns.foo.		       A       10.53.0.5
+sub.foo.	       NS      ns.sub.foo.
+ns.sub.foo.	       A       10.53.0.4
diff --git a/bin/tests/system/mkeys/ns5/named.conf.in b/bin/tests/system/mkeys/ns5/named.conf.in
new file mode 100644
index 0000000..757d614
--- /dev/null
+++ b/bin/tests/system/mkeys/ns5/named.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation auto;
+	bindkeys-file "managed.conf";
+	servfail-ttl 0;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "foo" {
+	type primary;
+	file "foo.db";
+};
+
+include "island.conf";
+include "private.conf";
diff --git a/bin/tests/system/mkeys/ns5/named1.args b/bin/tests/system/mkeys/ns5/named1.args
new file mode 100644
index 0000000..6eeaa29
--- /dev/null
+++ b/bin/tests/system/mkeys/ns5/named1.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -X named.lock -g -T maxcachesize=2097152
diff --git a/bin/tests/system/mkeys/ns5/named2.args b/bin/tests/system/mkeys/ns5/named2.args
new file mode 100644
index 0000000..34ac30d
--- /dev/null
+++ b/bin/tests/system/mkeys/ns5/named2.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -X named.lock -g -T maxcachesize=2097152 -T mkeytimers=2/20/40
diff --git a/bin/tests/system/mkeys/ns6/named.args b/bin/tests/system/mkeys/ns6/named.args
new file mode 100644
index 0000000..7ef5cf0
--- /dev/null
+++ b/bin/tests/system/mkeys/ns6/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 99 -X named.lock -g -T maxcachesize=2097152 -T mkeytimers=5/10/20
diff --git a/bin/tests/system/mkeys/ns6/named.conf.in b/bin/tests/system/mkeys/ns6/named.conf.in
new file mode 100644
index 0000000..3279859
--- /dev/null
+++ b/bin/tests/system/mkeys/ns6/named.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS6
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation yes;
+	trust-anchor-telemetry no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "managed.conf";
diff --git a/bin/tests/system/mkeys/ns6/setup.sh b/bin/tests/system/mkeys/ns6/setup.sh
new file mode 100644
index 0000000..fcbd287
--- /dev/null
+++ b/bin/tests/system/mkeys/ns6/setup.sh
@@ -0,0 +1,33 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=.
+zonefile=root.db
+
+# a key for a trust island
+islandkey=$($KEYGEN -a ${DEFAULT_ALGORITHM} -qfk island.)
+
+# a key with unsupported algorithm
+unsupportedkey=Kunknown.+255+00000
+cp unsupported-managed.key "${unsupportedkey}.key"
+
+# root key
+rootkey=$(cat ../ns1/managed.key)
+cp "../ns1/${rootkey}.key" .
+
+# Configure the resolving server with an initializing key.
+# (We use key-format trust anchors here because otherwise the
+# unsupported algorithm test won't work.)
+keyfile_to_initial_keys $unsupportedkey $islandkey $rootkey > managed.conf
diff --git a/bin/tests/system/mkeys/ns6/unsupported-managed.key b/bin/tests/system/mkeys/ns6/unsupported-managed.key
new file mode 100644
index 0000000..be872a0
--- /dev/null
+++ b/bin/tests/system/mkeys/ns6/unsupported-managed.key
@@ -0,0 +1 @@
+unsupported.	IN	DNSKEY	257 3 255 BOOVAhiJDPqhfU7+yGXjhetrtC/rtjmwO1yo52BUHUd8R4hQ/ZPdYCVvQlvNkRxDblPkFM5YRXkesS30pJSoNYrg+djbMNumJrLG+lbhFIc/ahTjlYOxb1zm2z00ubHju/1uGBifiRvKWSK0Vr0u6NtS4PKZfsnXt+piSHiRAHSfkjGHwqPYYKh9EUW12kJmIzlMaM6WYl+gJOvL+f8VqNLtvsMPT6OPK/3h/Dnfnxyeudp/jzAnNDDiTgX2XfzIXB4UwxtzIOGaHLnprpNf3zoBm0kyaEdSQQ/qKkpCOqjBasYEHRjVz3RncPUkdLr7PQuPBfFDr3SUMMJqufJrO4IJjtD4cCBT7K1i39Jg471nEzU1vkPzxF+Rw1QHT4nZaXbltf3BEZGS4Knoe9XPwi5KjGW6
diff --git a/bin/tests/system/mkeys/ns7/named.conf.in b/bin/tests/system/mkeys/ns7/named.conf.in
new file mode 100644
index 0000000..b50246a
--- /dev/null
+++ b/bin/tests/system/mkeys/ns7/named.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS7
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation auto;
+	bindkeys-file "managed.conf";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view view1 {
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+};
+
+view view2 {
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+};
diff --git a/bin/tests/system/mkeys/setup.sh b/bin/tests/system/mkeys/setup.sh
new file mode 100644
index 0000000..d1a30a2
--- /dev/null
+++ b/bin/tests/system/mkeys/setup.sh
@@ -0,0 +1,43 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+export ALGORITHM_SET="ecc_default"
+. ../conf.sh
+
+# Ensure the selected algorithm set is okay.
+if [ "$ALGORITHM_SET" = "error" ]; then
+    echofail "Algorithm selection failed." >&2
+    exit 1
+fi
+
+copy_setports ns1/named1.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+
+cp ns5/named1.args ns5/named.args
+
+( cd ns1 && $SHELL sign.sh )
+( cd ns4 && $SHELL sign.sh )
+( cd ns6 && $SHELL setup.sh )
+
+cp ns2/managed.conf ns2/managed1.conf
+
+cd ns4
+mkdir nope
+touch nope/managed-keys.bind
+touch nope/managed.keys.bind.jnl
+chmod 444 nope/*
diff --git a/bin/tests/system/mkeys/tests.sh b/bin/tests/system/mkeys/tests.sh
new file mode 100644
index 0000000..ed9dcf6
--- /dev/null
+++ b/bin/tests/system/mkeys/tests.sh
@@ -0,0 +1,882 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+export ALGORITHM_SET="ecc_default"
+#shellcheck source=conf.sh
+. ../conf.sh
+
+dig_with_opts() (
+	"$DIG" +tcp +noadd +nosea +nostat +nocmd +dnssec -p "${PORT}" "$@"
+)
+
+delv_with_opts() (
+	"$DELV" -a ns1/trusted.conf -p "${PORT}" "$@"
+)
+
+rndccmd() (
+	"$RNDC" -c ../common/rndc.conf -p "${CONTROLPORT}" -s "$@"
+)
+
+mkeys_reconfig_on() (
+	nsidx=$1
+	rndccmd "10.53.0.${nsidx}" reconfig . | sed "s/^/ns${nsidx} /" | cat_i
+)
+
+mkeys_reload_on() (
+	nsidx=$1
+	nextpart "ns${nsidx}"/named.run > /dev/null
+	rndc_reload "ns${nsidx}" "10.53.0.${nsidx}"
+	wait_for_log 20 "loaded serial" "ns${nsidx}"/named.run || return 1
+)
+
+mkeys_loadkeys_on() (
+	nsidx=$1
+	nextpart "ns${nsidx}"/named.run > /dev/null
+	rndccmd "10.53.0.${nsidx}" loadkeys . | sed "s/^/ns${nsidx} /" | cat_i
+	wait_for_log 20 "next key event" "ns${nsidx}"/named.run || return 1
+)
+
+mkeys_refresh_on() (
+	nsidx=$1
+	nextpart "ns${nsidx}"/named.run > /dev/null
+	rndccmd "10.53.0.${nsidx}" managed-keys refresh | sed "s/^/ns${nsidx} /" | cat_i
+	wait_for_log 20 "Returned from key fetch in keyfetch_done()" "ns${nsidx}"/named.run || return 1
+)
+
+mkeys_sync_on() (
+	# No race with mkeys_refresh_on() is possible as even if the latter
+	# returns immediately after the expected log message is written, the
+	# managed-keys zone is already locked and the command below calls
+	# dns_zone_flush(), which also attempts to take that zone's lock
+	nsidx=$1
+	nextpart "ns${nsidx}"/named.run > /dev/null
+	rndccmd "10.53.0.${nsidx}" managed-keys sync | sed "s/^/ns${nsidx} /" | cat_i
+	wait_for_log 20 "dump_done" "ns${nsidx}"/named.run || return 1
+)
+
+mkeys_status_on() (
+	# No race with mkeys_refresh_on() is possible as even if the latter
+	# returns immediately after the expected log message is written, the
+	# managed-keys zone is already locked and the command below calls
+	# mkey_status(), which in turn calls dns_zone_getrefreshkeytime(),
+	# which also attempts to take that zone's lock
+	nsidx=$1
+	rndccmd "10.53.0.${nsidx}" managed-keys status
+)
+
+mkeys_flush_on() (
+	nsidx=$1
+	rndccmd "10.53.0.${nsidx}" flush | sed "s/^/ns${nsidx} /" | cat_i
+)
+
+mkeys_secroots_on() (
+	nsidx=$1
+	rndccmd "10.53.0.${nsidx}" secroots | sed "s/^/ns${nsidx} /" | cat_i
+)
+
+original=$(cat ns1/managed.key)
+originalid=$(cat ns1/managed.key.id)
+
+status=0
+n=1
+
+rm -f dig.out.*
+
+echo_i "check for signed record ($n)"
+ret=0
+dig_with_opts +norec example.  @10.53.0.1 TXT > dig.out.ns1.test$n || ret=1
+grep "^example\.[[:space:]]*[0-9]*[[:space:]]*IN[[:space:]]*TXT[[:space:]]*\"This is a test\.\"" dig.out.ns1.test$n > /dev/null || ret=1
+grep "^example\.[[:space:]]*[0-9]*[[:space:]]*IN[[:space:]]*RRSIG[[:space:]]*TXT[[:space:]]" dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check positive validation with valid trust anchor ($n)"
+ret=0
+dig_with_opts +noauth example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep "example..*.RRSIG..*TXT" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+if [ -x "$DELV" ]; then
+	n=$((n+1))
+	ret=0
+	echo_i "check positive validation using delv ($n)"
+	delv_with_opts @10.53.0.1 txt example > delv.out$n || ret=1
+	grep "; fully validated" delv.out$n > /dev/null || ret=1	# redundant
+	grep "example..*TXT.*This is a test" delv.out$n > /dev/null || ret=1
+	grep "example..*.RRSIG..*TXT" delv.out$n > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+fi
+
+n=$((n+1))
+echo_i "check for failed validation due to wrong key in managed-keys ($n)"
+ret=0
+dig_with_opts +noauth example. @10.53.0.3 txt > dig.out.ns3.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns3.test$n > /dev/null && ret=1
+grep "example..*.RRSIG..*TXT" dig.out.ns3.test$n > /dev/null && ret=1
+grep "opcode: QUERY, status: SERVFAIL, id" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check new trust anchor can be added ($n)"
+ret=0
+standby1=$($KEYGEN -a ${DEFAULT_ALGORITHM} -qfk -K ns1 .)
+mkeys_loadkeys_on 1 || ret=1
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.$n 2>&1 || ret=1
+# there should be two keys listed now
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# two lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# one indicates current trust
+count=$(grep -c "trusted since" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# one indicates pending trust
+count=$(grep -c "trust pending" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check new trust anchor can't be added with bad initial key ($n)"
+ret=0
+mkeys_refresh_on 3 || ret=1
+mkeys_status_on 3 > rndc.out.$n 2>&1 || ret=1
+# there should be one key listed now
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# one line indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# ... and the key is not trusted
+count=$(grep -c "no trust" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "remove untrusted standby key, check timer restarts ($n)"
+ret=0
+mkeys_sync_on 2 || ret=1
+t1=$(grep "trust pending" ns2/managed-keys.bind) || true
+$SETTIME -D now -K ns1 "$standby1" > /dev/null
+mkeys_loadkeys_on 1 || ret=1
+# Less than a second may have passed since the last time ns2 received a
+# ./DNSKEY response from ns1.  Ensure keys are refreshed at a different
+# timestamp to prevent false negatives caused by the acceptance timer getting
+# reset to the same timestamp.
+sleep 1
+mkeys_refresh_on 2 || ret=1
+mkeys_sync_on 2 || ret=1
+t2=$(grep "trust pending" ns2/managed-keys.bind) || true
+# trust pending date must be different
+[ -n "$t2" ] || ret=1
+[ "$t1" = "$t2" ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "restore untrusted standby key, revoke original key ($n)"
+t1=$t2
+$SETTIME -D none -K ns1 "$standby1" > /dev/null
+$SETTIME -R now -K ns1 "$original" > /dev/null
+mkeys_loadkeys_on 1 || ret=1
+# Less than a second may have passed since the last time ns2 received a
+# ./DNSKEY response from ns1.  Ensure keys are refreshed at a different
+# timestamp to prevent false negatives caused by the acceptance timer getting
+# reset to the same timestamp.
+sleep 1
+mkeys_refresh_on 2 || ret=1
+mkeys_sync_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.$n 2>&1 || ret=1
+# two keys listed
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# two lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# trust is revoked
+count=$(grep -c "trust revoked" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# removal scheduled
+count=$(grep -c "remove at" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# trust is still pending on the standby key
+count=$(grep -c "trust pending" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# pending date moved forward for the standby key
+t2=$(grep "trust pending" ns2/managed-keys.bind) || true
+[ -n "$t2" ] || ret=1
+[ "$t1" = "$t2" ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "refresh managed-keys, ensure same result ($n)"
+t1=$t2
+# Less than a second may have passed since the last time ns2 received a
+# ./DNSKEY response from ns1.  Ensure keys are refreshed at a different
+# timestamp to prevent false negatives caused by the acceptance timer getting
+# reset to the same timestamp.
+sleep 1
+mkeys_refresh_on 2 || ret=1
+mkeys_sync_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.$n 2>&1 || ret=1
+# two keys listed
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# two lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# trust is revoked
+count=$(grep -c "trust revoked" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# removal scheduled
+count=$(grep -c "remove at" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# trust is still pending on the standby key
+count=$(grep -c "trust pending" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# pending date moved forward for the standby key
+t2=$(grep "trust pending" ns2/managed-keys.bind) || true
+[ -n "$t2" ] || ret=1
+[ "$t1" = "$t2" ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "restore revoked key, ensure same result ($n)"
+t1=$t2
+$SETTIME -R none -D now -K ns1 "$original" > /dev/null
+mkeys_loadkeys_on 1 || ret=1
+$SETTIME -D none -K ns1 "$original" > /dev/null
+mkeys_loadkeys_on 1 || ret=1
+# Less than a second may have passed since the last time ns2 received a
+# ./DNSKEY response from ns1.  Ensure keys are refreshed at a different
+# timestamp to prevent false negatives caused by the acceptance timer getting
+# reset to the same timestamp.
+sleep 1
+mkeys_refresh_on 2 || ret=1
+mkeys_sync_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.$n 2>&1 || ret=1
+# two keys listed
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# two lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# trust is revoked
+count=$(grep -c "trust revoked" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# removal scheduled
+count=$(grep -c "remove at" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# trust is still pending on the standby key
+count=$(grep -c "trust pending" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# pending date moved forward for the standby key
+t2=$(grep "trust pending" ns2/managed-keys.bind) || true
+[ -n "$t2" ] || ret=1
+[ "$t1" = "$t2" ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "reinitialize trust anchors, add second key to bind.keys"
+stop_server --use-rndc --port "${CONTROLPORT}" ns2
+rm -f ns2/managed-keys.bind*
+keyfile_to_initial_ds ns1/"$original" ns1/"$standby1" > ns2/managed.conf
+nextpart ns2/named.run > /dev/null
+start_server --noclean --restart --port "${PORT}" ns2
+
+n=$((n+1))
+echo_i "check that no key from bind.keys is marked as an initializing key ($n)"
+ret=0
+wait_for_log 20 "Returned from key fetch in keyfetch_done()" ns2/named.run || ret=1
+mkeys_secroots_on 2 || ret=1
+grep '; initializing' ns2/named.secroots > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "reinitialize trust anchors, revert to one key in bind.keys"
+stop_server --use-rndc --port "${CONTROLPORT}" ns2
+rm -f ns2/managed-keys.bind*
+mv ns2/managed1.conf ns2/managed.conf
+nextpart ns2/named.run > /dev/null
+start_server --noclean --restart --port "${PORT}" ns2
+
+n=$((n+1))
+echo_i "check that standby key is now trusted ($n)"
+ret=0
+wait_for_log 20 "Returned from key fetch in keyfetch_done()" ns2/named.run || ret=1
+mkeys_status_on 2 > rndc.out.$n 2>&1 || ret=1
+# two keys listed
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# two lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# both indicate current trust
+count=$(grep -c "trusted since" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "revoke original key, add new standby ($n)"
+ret=0
+standby2=$($KEYGEN -a ${DEFAULT_ALGORITHM} -qfk -K ns1 .)
+$SETTIME -R now -K ns1 "$original" > /dev/null
+mkeys_loadkeys_on 1 || ret=1
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.$n 2>&1 || ret=1
+# three keys listed
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 3 ] || ret=1
+# one is revoked
+count=$(grep -c "REVOKE" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# three lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 3 ] || ret=1
+# one indicates current trust
+count=$(grep -c "trusted since" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# one indicates revoked trust
+count=$(grep -c "trust revoked" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# one indicates trust pending
+count=$(grep -c "trust pending" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# removal scheduled
+count=$(grep -c "remove at" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "revoke standby before it is trusted ($n)"
+ret=0
+standby3=$($KEYGEN -a ${DEFAULT_ALGORITHM} -qfk -K ns1 .)
+mkeys_loadkeys_on 1 || ret=1
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.1.$n 2>&1 || ret=1
+# four keys listed
+count=$(grep -c "keyid: " rndc.out.1.$n) || true
+[ "$count" -eq 4 ] || { echo_i "keyid: count ($count) != 4"; ret=1; }
+# one revoked
+count=$(grep -c "trust revoked" rndc.out.1.$n) || true
+[ "$count" -eq 1 ] || { echo_i "trust revoked count ($count) != 1"; ret=1; }
+# two pending
+count=$(grep -c "trust pending" rndc.out.1.$n) || true
+[ "$count" -eq 2 ] || { echo_i "trust pending count ($count) != 2"; ret=1; }
+$SETTIME -R now -K ns1 "$standby3" > /dev/null
+mkeys_loadkeys_on 1 || ret=1
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.2.$n 2>&1 || ret=1
+# now three keys listed
+count=$(grep -c "keyid: " rndc.out.2.$n) || true
+[ "$count" -eq 3 ] || { echo_i "keyid: count ($count) != 3"; ret=1; }
+# one revoked
+count=$(grep -c "trust revoked" rndc.out.2.$n) || true
+[ "$count" -eq 1 ] || { echo_i "trust revoked count ($count) != 1"; ret=1; }
+# one pending
+count=$(grep -c "trust pending" rndc.out.2.$n) || true
+[ "$count" -eq 1 ] || { echo_i "trust pending count ($count) != 1"; ret=1; }
+$SETTIME -D now -K ns1 "$standby3" > /dev/null
+mkeys_loadkeys_on 1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "wait 20 seconds for key add/remove holddowns to expire ($n)"
+ret=0
+sleep 20
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.$n 2>&1 || ret=1
+# two keys listed
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# none revoked
+count=$(grep -c "REVOKE" rndc.out.$n) || true
+[ "$count" -eq 0 ] || ret=1
+# two lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# both indicate current trust
+count=$(grep -c "trusted since" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "revoke all keys, confirm roll to insecure ($n)"
+ret=0
+$SETTIME -D now -K ns1 "$original" > /dev/null
+$SETTIME -R now -K ns1 "$standby1" > /dev/null
+$SETTIME -R now -K ns1 "$standby2" > /dev/null
+mkeys_loadkeys_on 1 || ret=1
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.$n 2>&1 || ret=1
+# two keys listed
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# both revoked
+count=$(grep -c "REVOKE" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# two lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# both indicate trust revoked
+count=$(grep -c "trust revoked" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# both have removal scheduled
+count=$(grep -c "remove at" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check for insecure response ($n)"
+ret=0
+mkeys_refresh_on 2 || ret=1
+dig_with_opts +noauth example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null && ret=1
+grep "example..*.RRSIG..*TXT" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "reset the root server ($n)"
+ret=0
+$SETTIME -D none -R none -K ns1 "$original" > /dev/null
+$SETTIME -D now -K ns1 "$standby1" > /dev/null
+$SETTIME -D now -K ns1 "$standby2" > /dev/null
+sleep 1 # ensure modification time changes
+$SIGNER -Sg -K ns1 -N unixtime -o . ns1/root.db > /dev/null 2>/dev/null
+copy_setports ns1/named2.conf.in ns1/named.conf
+rm -f ns1/root.db.signed.jnl
+mkeys_reconfig_on 1 || ret=1
+mkeys_reload_on 1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "reinitialize trust anchors"
+stop_server --use-rndc --port "${CONTROLPORT}" ns2
+rm -f ns2/managed-keys.bind*
+nextpart ns2/named.run > /dev/null
+start_server --noclean --restart --port "${PORT}" ns2
+
+n=$((n+1))
+echo_i "check positive validation ($n)"
+ret=0
+wait_for_log 20 "Returned from key fetch in keyfetch_done()" ns2/named.run || ret=1
+dig_with_opts +noauth example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep "example..*.RRSIG..*TXT" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "revoke key with bad signature, check revocation is ignored ($n)"
+ret=0
+revoked=$($REVOKE -K ns1 "$original")
+rkeyid=$(keyfile_to_key_id "$revoked")
+rm -f ns1/root.db.signed.jnl
+# We need to activate at least one valid DNSKEY to prevent dnssec-signzone from
+# failing.  Alternatively, we could use -P to disable post-sign verification,
+# but we actually do want post-sign verification to happen to ensure the zone
+# is correct before we break it on purpose.
+$SETTIME -R none -D none -K ns1 "$standby1" > /dev/null
+$SIGNER -Sg -K ns1 -N unixtime -O full -o . -f signer.out.$n ns1/root.db > /dev/null 2>/dev/null
+cp -f ns1/root.db.signed ns1/root.db.tmp
+BADSIG="SVn2tLDzpNX2rxR4xRceiCsiTqcWNKh7NQ0EQfCrVzp9WEmLw60sQ5kP xGk4FS/xSKfh89hO2O/H20Bzp0lMdtr2tKy8IMdU/mBZxQf2PXhUWRkg V2buVBKugTiOPTJSnaqYCN3rSfV1o7NtC1VNHKKK/D5g6bpDehdn5Gaq kpBhN+MSCCh9OZP2IT20luS1ARXxLlvuSVXJ3JYuuhTsQXUbX/SQpNoB Lo6ahCE55szJnmAxZEbb2KOVnSlZRA6ZBHDhdtO0S4OkvcmTutvcVV+7 w53CbKdaXhirvHIh0mZXmYk2PbPLDY7PU9wSH40UiWPOB9f00wwn6hUe uEQ1Qg=="
+# Less than a second may have passed since ns1 was started.  If we call
+# dnssec-signzone immediately, ns1/root.db.signed will not be reloaded by the
+# subsequent "rndc reload ." call on platforms which do not set the
+# "nanoseconds" field of isc_time_t, due to zone load time being seemingly
+# equal to master file modification time.
+sleep 1
+sed -e "/ $rkeyid \./s, \. .*$, . $BADSIG," signer.out.$n > ns1/root.db.signed
+mkeys_reload_on 1 || ret=1
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.$n 2>&1 || ret=1
+# one key listed
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 1 ] || { echo_i "'keyid:' count ($count) != 1"; ret=1; }
+# it's the original key id
+count=$(grep -c "keyid: $originalid" rndc.out.$n) || true
+[ "$count" -eq 1 ] || { echo_i "'keyid: $originalid' count ($count) != 1"; ret=1; }
+# not revoked
+count=$(grep -c "REVOKE" rndc.out.$n) || true
+[ "$count" -eq 0 ] || { echo_i "'REVOKE' count ($count) != 0"; ret=1; }
+# trust is still current
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 1 ] || { echo_i "'trust' count != 1"; ret=1; }
+count=$(grep -c "trusted since" rndc.out.$n) || true
+[ "$count" -eq 1 ] || { echo_i "'trusted since' count != 1"; ret=1; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check validation fails with bad DNSKEY rrset ($n)"
+ret=0
+mkeys_flush_on 2 || ret=1
+dig_with_opts +noauth example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "status: SERVFAIL" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "restore DNSKEY rrset, check validation succeeds again ($n)"
+ret=0
+rm -f "${revoked}".key "${revoked}".private
+rm -f ns1/root.db.signed.jnl
+$SETTIME -D none -R none -K ns1 "$original" > /dev/null
+$SETTIME -D now -K ns1 "$standby1" > /dev/null
+# Less than a second may have passed since ns1 was started.  If we call
+# dnssec-signzone immediately, ns1/root.db.signed will not be reloaded by the
+# subsequent "rndc reload ." call on platforms which do not set the
+# "nanoseconds" field of isc_time_t, due to zone load time being seemingly
+# equal to master file modification time.
+sleep 1
+$SIGNER -Sg -K ns1 -N unixtime -o . ns1/root.db > /dev/null 2>/dev/null
+mkeys_reload_on 1 || ret=1
+mkeys_flush_on 2 || ret=1
+dig_with_opts +noauth example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep "example..*.RRSIG..*TXT" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "reset the root server with no keys, check for minimal update ($n)"
+ret=0
+# Refresh keys first to prevent previous checks from influencing this one.
+# Note that we might still get occasional false negatives on some really slow
+# machines, when $t1 equals $t2 due to the time elapsed between "rndc
+# managed-keys status" calls being equal to the normal active refresh period
+# (as calculated per rules listed in RFC 5011 section 2.3) minus an "hour" (as
+# set using -T mkeytimers).
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.1.$n 2>&1 || ret=1
+t1=$(grep 'next refresh:' rndc.out.1.$n) || true
+stop_server --use-rndc --port "${CONTROLPORT}" ns1
+rm -f ns1/root.db.signed.jnl
+cp ns1/root.db ns1/root.db.signed
+nextpart ns1/named.run > /dev/null
+start_server --noclean --restart --port "${PORT}" ns1
+wait_for_log 20 "all zones loaded" ns1/named.run || ret=1
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.2.$n 2>&1 || ret=1
+# one key listed
+count=$(grep -c "keyid: " rndc.out.2.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# it's the original key id
+count=$(grep -c "keyid: $originalid" rndc.out.2.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# not revoked
+count=$(grep -c "REVOKE" rndc.out.2.$n) || true
+[ "$count" -eq 0 ] || ret=1
+# trust is still current
+count=$(grep -c "trust" rndc.out.2.$n) || true
+[ "$count" -eq 1 ] || ret=1
+count=$(grep -c "trusted since" rndc.out.2.$n) || true
+[ "$count" -eq 1 ] || ret=1
+t2=$(grep 'next refresh:' rndc.out.2.$n) || true
+[ "$t1" = "$t2" ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "reset the root server with no signatures, check for minimal update ($n)"
+ret=0
+# Refresh keys first to prevent previous checks from influencing this one
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.1.$n 2>&1 || ret=1
+t1=$(grep 'next refresh:' rndc.out.1.$n) || true
+stop_server --use-rndc --port "${CONTROLPORT}" ns1
+rm -f ns1/root.db.signed.jnl
+cat ns1/K*.key >> ns1/root.db.signed
+nextpart ns1/named.run > /dev/null
+start_server --noclean --restart --port "${PORT}" ns1
+wait_for_log 20 "all zones loaded" ns1/named.run || ret=1
+# Less than a second may have passed since the last time ns2 received a
+# ./DNSKEY response from ns1.  Ensure keys are refreshed at a different
+# timestamp to prevent minimal update from resetting it to the same timestamp.
+sleep 1
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.2.$n 2>&1 || ret=1
+# one key listed
+count=$(grep -c "keyid: " rndc.out.2.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# it's the original key id
+count=$(grep -c "keyid: $originalid" rndc.out.2.$n) || true
+[ "$count" -eq 1 ] || ret=1
+# not revoked
+count=$(grep -c "REVOKE" rndc.out.2.$n) || true
+[ "$count" -eq 0 ] || ret=1
+# trust is still current
+count=$(grep -c "trust" rndc.out.2.$n) || true
+[ "$count" -eq 1 ] || ret=1
+count=$(grep -c "trusted since" rndc.out.2.$n) || true
+[ "$count" -eq 1 ] || ret=1
+t2=$(grep 'next refresh:' rndc.out.2.$n) || true
+[ "$t1" = "$t2" ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "restore root server, check validation succeeds again ($n)"
+ret=0
+rm -f ns1/root.db.signed.jnl
+$SIGNER -Sg -K ns1 -N unixtime -o . ns1/root.db > /dev/null 2>/dev/null
+mkeys_reload_on 1 || ret=1
+mkeys_refresh_on 2 || ret=1
+mkeys_status_on 2 > rndc.out.$n 2>&1 || ret=1
+dig_with_opts +noauth example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep "example..*.RRSIG..*TXT" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check that trust-anchor-telemetry queries are logged ($n)"
+ret=0
+grep "sending trust-anchor-telemetry query '_ta-[0-9a-f]*/NULL" ns2/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check that trust-anchor-telemetry queries are received ($n)"
+ret=0
+grep "query '_ta-[0-9a-f][0-9a-f]*/NULL/IN' approved" ns1/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc-managed-keys destroy' ($n)"
+ret=0
+rndccmd 10.53.0.2 managed-keys destroy | sed 's/^/ns2 /' | cat_i
+mkeys_status_on 2 > rndc.out.1.$n 2>&1 || ret=1
+grep "no views with managed keys" rndc.out.1.$n > /dev/null || ret=1
+mkeys_reconfig_on 2 || ret=1
+check_root_trust_anchor_is_present_in_status() {
+	mkeys_status_on 2 > rndc.out.2.$n 2>&1 || return 1
+	grep "name: \." rndc.out.2.$n > /dev/null || return 1
+	return 0
+}
+retry_quiet 5 check_root_trust_anchor_is_present_in_status || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check that trust-anchor-telemetry queries contain the correct key ($n)"
+ret=0
+# convert the hexadecimal key from the TAT query into decimal and
+# compare against the known key.
+tathex=$(grep "query '_ta-[0-9a-f][0-9a-f]*/NULL/IN' approved" ns1/named.run | awk '{print $6; exit 0}' | sed -e 's/(_ta-\([0-9a-f][0-9a-f]*\)):/\1/') || true
+tatkey=$($PERL -e 'printf("%d\n", hex(@ARGV[0]));' "$tathex")
+realkey=$(rndccmd 10.53.0.2 secroots - | sed -n "s#.*${DEFAULT_ALGORITHM}/\([0-9][0-9]*\) ; .*managed.*#\1#p")
+[ "$tatkey" -eq "$realkey" ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check initialization fails if managed-keys can't be created ($n)"
+ret=0
+mkeys_secroots_on 4 || ret=1
+grep '; initializing managed' ns4/named.secroots > /dev/null 2>&1 || ret=1
+grep '; managed' ns4/named.secroots > /dev/null 2>&1 && ret=1
+grep '; trusted' ns4/named.secroots > /dev/null 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check failure to contact root servers does not prevent key refreshes after restart ($n)"
+ret=0
+# By the time we get here, ns5 should have attempted refreshing its managed
+# keys.  These attempts should fail as ns1 is configured to REFUSE all queries
+# from ns5.  Note that named1.args does not contain "-T mkeytimers"; this is to
+# ensure key refresh retry will be scheduled to one actual hour after the first
+# key refresh failure instead of just a few seconds, in order to prevent races
+# between the next scheduled key refresh time and startup time of restarted ns5.
+stop_server --use-rndc --port "${CONTROLPORT}" ns5
+nextpart ns5/named.run > /dev/null
+start_server --noclean --restart --port "${PORT}" ns5
+wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for '.':" ns5/named.run || ret=1
+wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.tld':" ns5/named.run || ret=1
+wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.foo':" ns5/named.run || ret=1
+# ns5/named.run will contain logs from both the old instance and the new
+# instance.  In order for the test to pass, both must attempt a fetch.
+count=$(grep -c "Creating key fetch" ns5/named.run) || true
+[ "$count" -lt 2 ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc managed-keys' and islands of trust root unreachable ($n)"
+ret=0
+mkeys_sync_on 5
+mkeys_status_on 5 > rndc.out.$n 2>&1 || ret=1
+# there should be three keys listed now
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 3 ] || ret=1
+# three lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 3 ] || ret=1
+# one indicates current trust
+count=$(grep -c "trusted since" rndc.out.$n) || true
+[ "$count" -eq 1 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check key refreshes are resumed after root servers become available ($n)"
+ret=0
+stop_server --use-rndc --port "${CONTROLPORT}" ns5
+# Prevent previous check from affecting this one
+rm -f ns5/managed-keys.bind*
+# named2.args adds "-T mkeytimers=2/20/40" to named1.args as we need to wait for
+# an "hour" until keys are refreshed again after initial failure
+cp ns5/named2.args ns5/named.args
+nextpart ns5/named.run > /dev/null
+start_server --noclean --restart --port "${PORT}" ns5
+wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for '.': failure" ns5/named.run || ret=1
+wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.tld': failure" ns5/named.run || ret=1
+wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.foo': success" ns5/named.run || ret=1
+mkeys_secroots_on 5 || ret=1
+grep '; initializing managed' ns5/named.secroots > /dev/null 2>&1 || ret=1
+# ns1 should still REFUSE queries from ns5, so resolving should be impossible
+dig_with_opts +noauth example. @10.53.0.5 txt > dig.out.ns5.a.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns5.a.test$n > /dev/null && ret=1
+grep "example..*.RRSIG..*TXT" dig.out.ns5.a.test$n > /dev/null && ret=1
+grep "status: SERVFAIL" dig.out.ns5.a.test$n > /dev/null || ret=1
+# Allow queries from ns5 to ns1
+copy_setports ns1/named3.conf.in ns1/named.conf
+rm -f ns1/root.db.signed.jnl
+nextpart ns5/named.run > /dev/null
+mkeys_reconfig_on 1 || ret=1
+wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for '.': success" ns5/named.run || ret=1
+wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.tld': success" ns5/named.run || ret=1
+wait_for_log_peek 20 "Returned from key fetch in keyfetch_done() for 'sub.foo': success" ns5/named.run || ret=1
+mkeys_secroots_on 5 || ret=1
+grep '; managed' ns5/named.secroots > /dev/null || ret=1
+# ns1 should not longer REFUSE queries from ns5, so managed keys should be
+# correctly refreshed and resolving should succeed
+dig_with_opts +noauth example. @10.53.0.5 txt > dig.out.ns5.b.test$n || ret=1
+grep "flags:.*ad.*QUERY" dig.out.ns5.b.test$n > /dev/null || ret=1
+grep "example..*.RRSIG..*TXT" dig.out.ns5.b.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns5.b.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "reinitialize trust anchors, add unsupported algorithm ($n)"
+ret=0
+stop_server --use-rndc --port "${CONTROLPORT}" ns6
+rm -f ns6/managed-keys.bind*
+nextpart ns6/named.run > /dev/null
+start_server --noclean --restart --port "${PORT}" ns6
+# log when an unsupported algorithm is encountered during startup
+wait_for_log 20 "ignoring initial-key for 'unsupported.': algorithm is unsupported" ns6/named.run || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "ignoring unsupported algorithm in managed-keys ($n)"
+ret=0
+mkeys_status_on 6 > rndc.out.$n 2>&1 || ret=1
+# there should still be only two keys listed (for . and island.)
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# two lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+
+n=$((n+1))
+echo_i "introduce unsupported algorithm rollover in authoritative zone ($n)"
+ret=0
+cp ns1/root.db ns1/root.db.orig
+ksk=$(cat ns1/managed.key)
+zsk=$(cat ns1/zone.key)
+cat "ns1/${ksk}.key" "ns1/${zsk}.key" ns1/unsupported.key >> ns1/root.db
+grep "\.[[:space:]]*IN[[:space:]]*DNSKEY[[:space:]]*257 3 255" ns1/root.db > /dev/null || ret=1
+$SIGNER -K ns1 -N unixtime -o . ns1/root.db "$ksk" "$zsk" > /dev/null 2>/dev/null || ret=1
+grep "DNSKEY.*257 3 255" ns1/root.db.signed > /dev/null || ret=1
+cp ns1/root.db.orig ns1/root.db
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "ignoring unsupported algorithm in rollover ($n)"
+ret=0
+mkeys_reload_on 1 || ret=1
+mkeys_refresh_on 6 || ret=1
+mkeys_status_on 6 > rndc.out.$n 2>&1 || ret=1
+# there should still be only two keys listed (for . and island.)
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# two lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 2 ] || ret=1
+# log when an unsupported algorithm is encountered during rollover
+wait_for_log 20 "Cannot compute tag for key in zone .: algorithm is unsupported" ns6/named.run || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc managed-keys' and views ($n)"
+ret=0
+rndccmd 10.53.0.7 managed-keys refresh in view1 > rndc.out.ns7.view1.test$n || ret=1
+grep "refreshing managed keys for 'view1'" rndc.out.ns7.view1.test$n > /dev/null || ret=1
+lines=$(wc -l < rndc.out.ns7.view1.test$n)
+[ "$lines" -eq 1 ] || ret=1
+rndccmd 10.53.0.7 managed-keys refresh > rndc.out.ns7.view2.test$n || ret=1
+lines=$(wc -l < rndc.out.ns7.view2.test$n)
+grep "refreshing managed keys for 'view1'" rndc.out.ns7.view2.test$n > /dev/null || ret=1
+grep "refreshing managed keys for 'view2'" rndc.out.ns7.view2.test$n > /dev/null || ret=1
+[ "$lines" -eq 2 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc managed-keys' and islands of trust now that root is reachable ($n)"
+ret=0
+mkeys_sync_on 5
+mkeys_status_on 5 > rndc.out.$n 2>&1 || ret=1
+# there should be three keys listed now
+count=$(grep -c "keyid: " rndc.out.$n) || true
+[ "$count" -eq 3 ] || ret=1
+# theee lines indicating trust status
+count=$(grep -c "trust" rndc.out.$n) || true
+[ "$count" -eq 3 ] || ret=1
+# three indicates current trust
+count=$(grep -c "trusted since" rndc.out.$n) || true
+[ "$count" -eq 3 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/mkeys/tests_sh_mkeys.py b/bin/tests/system/mkeys/tests_sh_mkeys.py
new file mode 100644
index 0000000..141ee83
--- /dev/null
+++ b/bin/tests/system/mkeys/tests_sh_mkeys.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_mkeys(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/names/clean.sh b/bin/tests/system/names/clean.sh
new file mode 100644
index 0000000..1f8371b
--- /dev/null
+++ b/bin/tests/system/names/clean.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.*.test*
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/named.pid
+rm -f ns*/named.conf
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
diff --git a/bin/tests/system/names/ns1/example.db b/bin/tests/system/names/ns1/example.db
new file mode 100644
index 0000000..a3e9f90
--- /dev/null
+++ b/bin/tests/system/names/ns1/example.db
@@ -0,0 +1,50 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns1
+ns1			A	10.53.0.1
+@			MX	0 m1.mail-servers.example.
+@			MX	0 m2.mail-servers.example.
+@			MX	0 m3.mail-servers.example.
+@			MX	0 m4.mail-servers.example.
+@			MX	0 m5.mail-servers.example.
+@			MX	0 m6.mail-servers.example.
+@			MX	0 m7.mail-servers.example.
+@			MX	0 m8.mail-servers.example.
+@			MX	0 m9.mail-servers.example.
+@			MX	0 m10.mail-servers.example.
+@			MX	0 m11.mail-servers.example.
+@			MX	0 m12.mail-servers.example.
+@			MX	0 m13.mail-servers.example.
+@			MX	0 m14.mail-servers.example.
+@			MX	0 m15.mail-servers.example.
+@			MX	0 m16.mail-servers.example.
+@			MX	0 m17.mail-servers.example.
+@			MX	0 m18.mail-servers.example.
+@			MX	0 m19.mail-servers.example.
+@			MX	0 m20.mail-servers.example.
+@			MX	0 m21.mail-servers.example.
+@			MX	0 m22.mail-servers.example.
+@			MX	0 m23.mail-servers.example.
+@			MX	0 m24.mail-servers.example.
+@			MX	0 m25.mail-servers.example.
+@			MX	0 m26.mail-servers.example.
+@			MX	0 m27.mail-servers.example.
+@			MX	0 m28.mail-servers.example.
+@			MX	0 m29.mail-servers.example.
diff --git a/bin/tests/system/names/ns1/named.conf.in b/bin/tests/system/names/ns1/named.conf.in
new file mode 100644
index 0000000..c065e38
--- /dev/null
+++ b/bin/tests/system/names/ns1/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	ixfr-from-differences yes;
+	check-integrity no;
+	dnssec-validation no;
+};
+
+
+view compress {
+	match-clients { 10.53.0.1/32; };
+	zone "example" {
+		type primary;
+		file "example.db";
+	};
+};
+
+view nocompress {
+	match-clients { 10.53.0.2/32; };
+	message-compression no;
+	zone "example" {
+		type primary;
+		file "example.db";
+	};
+};
diff --git a/bin/tests/system/names/setup.sh b/bin/tests/system/names/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/names/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/names/tests.sh b/bin/tests/system/names/tests.sh
new file mode 100644
index 0000000..9546298
--- /dev/null
+++ b/bin/tests/system/names/tests.sh
@@ -0,0 +1,48 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+nosea +stat +noquest +nocomm +nocmd -p ${PORT}"
+
+status=0
+
+echo_i "Getting message size with compression enabled"
+$DIG $DIGOPTS -b 10.53.0.1 @10.53.0.1 mx example > dig.compen.test
+COMPEN=$(grep ';; MSG SIZE' dig.compen.test |sed -e "s/.*: //g")
+cat dig.compen.test  |grep -v ';;' |sort > dig.compen.sorted.test
+
+echo_i "Getting message size with compression disabled"
+$DIG $DIGOPTS -b 10.53.0.2 @10.53.0.1 mx example > dig.compdis.test
+COMPDIS=$(grep ';; MSG SIZE' dig.compdis.test |sed -e "s/.*: //g")
+cat dig.compdis.test  |grep -v ';;' |sort > dig.compdis.sorted.test
+
+# the compression disabled message should be at least twice as large as with
+# compression disabled, but the content should be the same
+echo_i "Checking if responses are identical other than in message size"
+{ diff dig.compdis.sorted.test dig.compen.sorted.test >/dev/null; ret=$?; } || true
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking if message with compression disabled is significantly larger"
+echo_i "Disabled $COMPDIS vs enabled $COMPEN"
+val=$(( (COMPDIS * 3 / 2) / COMPEN))
+if [ $val -le 1 ]; then
+	echo_i "failed"
+	status=$((status + 1))
+fi;
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/names/tests_sh_names.py b/bin/tests/system/names/tests_sh_names.py
new file mode 100644
index 0000000..ebeed2f
--- /dev/null
+++ b/bin/tests/system/names/tests_sh_names.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_names(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/notify/clean.sh b/bin/tests/system/notify/clean.sh
new file mode 100644
index 0000000..bf54325
--- /dev/null
+++ b/bin/tests/system/notify/clean.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after zone transfer tests.
+#
+
+rm -f ./*/named.conf
+rm -f ./*/named.memstats
+rm -f ./*/named.port
+rm -f ./*/named.run ./*/named.run.prev
+rm -f awk.out.ns?.test*
+rm -f dig.out.?.ns5.test*
+rm -f dig.out.ns2.test*
+rm -f dig.out.ns3.test*
+rm -f dig.out.ns4.test*
+rm -f log.out
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
+rm -f ns*/named.lock
+rm -f ns2/example.db
+rm -f ns2/x21.db*
+rm -f ns3/example.bk
+rm -f ns4/x21.bk*
+rm -f ns5/x21.bk-b
+rm -f ns5/x21.bk-b.jnl
+rm -f ns5/x21.bk-c
+rm -f ns5/x21.bk-c.jnl
+rm -f ns5/x21.db.jnl
+rm -f tmp
diff --git a/bin/tests/system/notify/ns1/named.conf.in b/bin/tests/system/notify/ns1/named.conf.in
new file mode 100644
index 0000000..41a46be
--- /dev/null
+++ b/bin/tests/system/notify/ns1/named.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/notify/ns1/root.db b/bin/tests/system/notify/ns1/root.db
new file mode 100644
index 0000000..17780d1
--- /dev/null
+++ b/bin/tests/system/notify/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/notify/ns2/example1.db b/bin/tests/system/notify/ns2/example1.db
new file mode 100644
index 0000000..3b8d33b
--- /dev/null
+++ b/bin/tests/system/notify/ns2/example1.db
@@ -0,0 +1,144 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				1          ; serial
+				300        ; refresh (300 seconds)
+				300        ; retry (300 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+example.		NS	ns3.example.
+ns3.example.		A	10.53.0.3
+
+$ORIGIN example.
+a			A	10.0.0.1
+$TTL 3600	; 1 hour
+a01			A	0.0.0.0
+a02			A	255.255.255.255
+a601			AAAA	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+afsdb01			AFSDB	0 hostname
+afsdb02			AFSDB	65535 .
+$TTL 300	; 5 minutes
+b			CNAME	foo.net.
+c			A	73.80.65.49
+$TTL 3600	; 1 hour
+cert01			CERT	65534 65535 PRIVATEOID (
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+cname01			CNAME	cname-target.
+cname02			CNAME	cname-target
+cname03			CNAME	.
+$TTL 300	; 5 minutes
+d			A	73.80.65.49
+$TTL 3600	; 1 hour
+dname01			DNAME	dname-target.
+dname02			DNAME	dname-target
+dname03			DNAME	.
+$TTL 300	; 5 minutes
+e			MX	10 mail
+			TXT	"one"
+			TXT	"three"
+			TXT	"two"
+			A	73.80.65.49
+			A	73.80.65.50
+			A	73.80.65.52
+			A	73.80.65.51
+f			A	73.80.65.52
+$TTL 3600	; 1 hour
+gpos01			GPOS	"-22.6882" "116.8652" "250.0"
+gpos02			GPOS	"" "" ""
+hinfo01			HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02			HINFO	"PC" "NetBSD"
+isdn01			ISDN	"isdn-address"
+isdn02			ISDN	"isdn-address" "subaddress"
+isdn03			ISDN	"isdn-address"
+isdn04			ISDN	"isdn-address" "subaddress"
+key01			KEY	512 255 1 (
+				AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aR
+				yzWZriO6i2odGWWQVucZqKVsENW91IOW4vqudngPZsY3
+				GvQ/xVA8/7pyFj6b7Esga60zyGW6LFe9r8n6paHrlG5o
+				jqf0BaqHT+8= )
+kx01			KX	10 kdc
+kx02			KX	10 .
+loc01			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+mb01			MG	madname
+mb02			MG	.
+mg01			MG	mgmname
+mg02			MG	.
+minfo01			MINFO	rmailbx emailbx
+minfo02			MINFO	. .
+mr01			MR	mrname
+mr02			MR	.
+mx01			MX	10 mail
+mx02			MX	10 .
+naptr01			NAPTR	0 0 "" "" "" .
+naptr02			NAPTR	65535 65535 "blurgh" "blorf" "blllbb" foo.
+nsap-ptr01		NSAP-PTR foo.
+			NSAP-PTR .
+nsap01			NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02			NSAP	0x47000580005a0000000001e133ffffff00016100
+nxt01			NXT	a.secure ( NS SOA MX SIG KEY LOC NXT )
+nxt02			NXT	. ( NSAP-PTR NXT )
+nxt03			NXT	. ( A )
+nxt04			NXT	. ( 127 )
+ptr01			PTR	example.
+px01			PX	65535 foo. bar.
+px02			PX	65535 . .
+rp01			RP	mbox-dname txt-dname
+rp02			RP	. .
+rt01			RT	0 intermediate-host
+rt02			RT	65535 .
+$TTL 300	; 5 minutes
+s			NS	ns.s
+$ORIGIN s.example.
+ns			A	73.80.65.49
+$ORIGIN example.
+$TTL 3600	; 1 hour
+sig01			SIG	NXT 1 3 3600 20000102030405 (
+				19961211100908 2143 foo
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+srv01			SRV	0 0 0 .
+srv02			SRV	65535 65535 65535 old-slow-box.example.com.
+$TTL 301	; 5 minutes 1 second
+t			A	73.80.65.49
+$TTL 3600	; 1 hour
+txt01			TXT	"foo"
+txt02			TXT	"foo" "bar"
+txt03			TXT	"foo"
+txt04			TXT	"foo" "bar"
+txt05			TXT	"foo bar"
+txt06			TXT	"foo bar"
+txt07			TXT	"foo bar"
+txt08			TXT	"foo\010bar"
+txt09			TXT	"foo\010bar"
+txt10			TXT	"foo bar"
+txt11			TXT	"\"foo\""
+txt12			TXT	"\"foo\""
+$TTL 300	; 5 minutes
+u			TXT	"txt-not-in-nxt"
+$ORIGIN u.example.
+a			A	73.80.65.49
+b			A	73.80.65.49
+$ORIGIN example.
+$TTL 3600	; 1 hour
+wks01			WKS	10.0.0.1 6 ( 0 1 2 21 23 )
+wks02			WKS	10.0.0.1 17 ( 0 1 2 53 )
+wks03			WKS	10.0.0.2 6 ( 65535 )
+x2501			X25	"123456789"
diff --git a/bin/tests/system/notify/ns2/example2.db b/bin/tests/system/notify/ns2/example2.db
new file mode 100644
index 0000000..c762dd6
--- /dev/null
+++ b/bin/tests/system/notify/ns2/example2.db
@@ -0,0 +1,144 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				2          ; serial
+				300        ; refresh (300 seconds)
+				300        ; retry (300 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+example.		NS	ns3.example.
+ns3.example.		A	10.53.0.3
+
+$ORIGIN example.
+a			A	10.0.0.2
+$TTL 3600	; 1 hour
+a01			A	0.0.0.0
+a02			A	255.255.255.255
+a601			AAAA	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+afsdb01			AFSDB	0 hostname
+afsdb02			AFSDB	65535 .
+$TTL 300	; 5 minutes
+b			CNAME	foo.net.
+c			A	73.80.65.49
+$TTL 3600	; 1 hour
+cert01			CERT	65534 65535 PRIVATEOID (
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+cname01			CNAME	cname-target.
+cname02			CNAME	cname-target
+cname03			CNAME	.
+$TTL 300	; 5 minutes
+d			A	73.80.65.49
+$TTL 3600	; 1 hour
+dname01			DNAME	dname-target.
+dname02			DNAME	dname-target
+dname03			DNAME	.
+$TTL 300	; 5 minutes
+e			MX	10 mail
+			TXT	"one"
+			TXT	"three"
+			TXT	"two"
+			A	73.80.65.49
+			A	73.80.65.50
+			A	73.80.65.52
+			A	73.80.65.51
+f			A	73.80.65.52
+$TTL 3600	; 1 hour
+gpos01			GPOS	"-22.6882" "116.8652" "250.0"
+gpos02			GPOS	"" "" ""
+hinfo01			HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02			HINFO	"PC" "NetBSD"
+isdn01			ISDN	"isdn-address"
+isdn02			ISDN	"isdn-address" "subaddress"
+isdn03			ISDN	"isdn-address"
+isdn04			ISDN	"isdn-address" "subaddress"
+key01			KEY	512 255 1 (
+				AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aR
+				yzWZriO6i2odGWWQVucZqKVsENW91IOW4vqudngPZsY3
+				GvQ/xVA8/7pyFj6b7Esga60zyGW6LFe9r8n6paHrlG5o
+				jqf0BaqHT+8= )
+kx01			KX	10 kdc
+kx02			KX	10 .
+loc01			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+mb01			MG	madname
+mb02			MG	.
+mg01			MG	mgmname
+mg02			MG	.
+minfo01			MINFO	rmailbx emailbx
+minfo02			MINFO	. .
+mr01			MR	mrname
+mr02			MR	.
+mx01			MX	10 mail
+mx02			MX	10 .
+naptr01			NAPTR	0 0 "" "" "" .
+naptr02			NAPTR	65535 65535 "blurgh" "blorf" "blllbb" foo.
+nsap-ptr01		NSAP-PTR foo.
+			NSAP-PTR .
+nsap01			NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02			NSAP	0x47000580005a0000000001e133ffffff00016100
+nxt01			NXT	a.secure ( NS SOA MX SIG KEY LOC NXT )
+nxt02			NXT	. ( NSAP-PTR NXT )
+nxt03			NXT	. ( A )
+nxt04			NXT	. ( 127 )
+ptr01			PTR	example.
+px01			PX	65535 foo. bar.
+px02			PX	65535 . .
+rp01			RP	mbox-dname txt-dname
+rp02			RP	. .
+rt01			RT	0 intermediate-host
+rt02			RT	65535 .
+$TTL 300	; 5 minutes
+s			NS	ns.s
+$ORIGIN s.example.
+ns			A	73.80.65.49
+$ORIGIN example.
+$TTL 3600	; 1 hour
+sig01			SIG	NXT 1 3 3600 20000102030405 (
+				19961211100908 2143 foo
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+srv01			SRV	0 0 0 .
+srv02			SRV	65535 65535 65535 old-slow-box.example.com.
+$TTL 301	; 5 minutes 1 second
+t			A	73.80.65.49
+$TTL 3600	; 1 hour
+txt01			TXT	"foo"
+txt02			TXT	"foo" "bar"
+txt03			TXT	"foo"
+txt04			TXT	"foo" "bar"
+txt05			TXT	"foo bar"
+txt06			TXT	"foo bar"
+txt07			TXT	"foo bar"
+txt08			TXT	"foo\010bar"
+txt09			TXT	"foo\010bar"
+txt10			TXT	"foo bar"
+txt11			TXT	"\"foo\""
+txt12			TXT	"\"foo\""
+$TTL 300	; 5 minutes
+u			TXT	"txt-not-in-nxt"
+$ORIGIN u.example.
+a			A	73.80.65.49
+b			A	73.80.65.49
+$ORIGIN example.
+$TTL 3600	; 1 hour
+wks01			WKS	10.0.0.1 6 ( 0 1 2 21 23 )
+wks02			WKS	10.0.0.1 17 ( 0 1 2 53 )
+wks03			WKS	10.0.0.2 6 ( 65535 )
+x2501			X25	"123456789"
diff --git a/bin/tests/system/notify/ns2/example3.db b/bin/tests/system/notify/ns2/example3.db
new file mode 100644
index 0000000..dd3371b
--- /dev/null
+++ b/bin/tests/system/notify/ns2/example3.db
@@ -0,0 +1,144 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				3          ; serial
+				300        ; refresh (300 seconds)
+				300        ; retry (300 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+example.		NS	ns3.example.
+ns3.example.		A	10.53.0.3
+
+$ORIGIN example.
+a			A	10.0.0.3
+$TTL 3600	; 1 hour
+a01			A	0.0.0.0
+a02			A	255.255.255.255
+a601			AAAA	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+afsdb01			AFSDB	0 hostname
+afsdb02			AFSDB	65535 .
+$TTL 300	; 5 minutes
+b			CNAME	foo.net.
+c			A	73.80.65.49
+$TTL 3600	; 1 hour
+cert01			CERT	65534 65535 PRIVATEOID (
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+cname01			CNAME	cname-target.
+cname02			CNAME	cname-target
+cname03			CNAME	.
+$TTL 300	; 5 minutes
+d			A	73.80.65.49
+$TTL 3600	; 1 hour
+dname01			DNAME	dname-target.
+dname02			DNAME	dname-target
+dname03			DNAME	.
+$TTL 300	; 5 minutes
+e			MX	10 mail
+			TXT	"one"
+			TXT	"three"
+			TXT	"two"
+			A	73.80.65.49
+			A	73.80.65.50
+			A	73.80.65.52
+			A	73.80.65.51
+f			A	73.80.65.52
+$TTL 3600	; 1 hour
+gpos01			GPOS	"-22.6882" "116.8652" "250.0"
+gpos02			GPOS	"" "" ""
+hinfo01			HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02			HINFO	"PC" "NetBSD"
+isdn01			ISDN	"isdn-address"
+isdn02			ISDN	"isdn-address" "subaddress"
+isdn03			ISDN	"isdn-address"
+isdn04			ISDN	"isdn-address" "subaddress"
+key01			KEY	512 255 1 (
+				AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aR
+				yzWZriO6i2odGWWQVucZqKVsENW91IOW4vqudngPZsY3
+				GvQ/xVA8/7pyFj6b7Esga60zyGW6LFe9r8n6paHrlG5o
+				jqf0BaqHT+8= )
+kx01			KX	10 kdc
+kx02			KX	10 .
+loc01			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+mb01			MG	madname
+mb02			MG	.
+mg01			MG	mgmname
+mg02			MG	.
+minfo01			MINFO	rmailbx emailbx
+minfo02			MINFO	. .
+mr01			MR	mrname
+mr02			MR	.
+mx01			MX	10 mail
+mx02			MX	10 .
+naptr01			NAPTR	0 0 "" "" "" .
+naptr02			NAPTR	65535 65535 "blurgh" "blorf" "blllbb" foo.
+nsap-ptr01		NSAP-PTR foo.
+			NSAP-PTR .
+nsap01			NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02			NSAP	0x47000580005a0000000001e133ffffff00016100
+nxt01			NXT	a.secure ( NS SOA MX SIG KEY LOC NXT )
+nxt02			NXT	. ( NSAP-PTR NXT )
+nxt03			NXT	. ( A )
+nxt04			NXT	. ( 127 )
+ptr01			PTR	example.
+px01			PX	65535 foo. bar.
+px02			PX	65535 . .
+rp01			RP	mbox-dname txt-dname
+rp02			RP	. .
+rt01			RT	0 intermediate-host
+rt02			RT	65535 .
+$TTL 300	; 5 minutes
+s			NS	ns.s
+$ORIGIN s.example.
+ns			A	73.80.65.49
+$ORIGIN example.
+$TTL 3600	; 1 hour
+sig01			SIG	NXT 1 3 3600 20000102030405 (
+				19961211100908 2143 foo
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+srv01			SRV	0 0 0 .
+srv02			SRV	65535 65535 65535 old-slow-box.example.com.
+$TTL 301	; 5 minutes 1 second
+t			A	73.80.65.49
+$TTL 3600	; 1 hour
+txt01			TXT	"foo"
+txt02			TXT	"foo" "bar"
+txt03			TXT	"foo"
+txt04			TXT	"foo" "bar"
+txt05			TXT	"foo bar"
+txt06			TXT	"foo bar"
+txt07			TXT	"foo bar"
+txt08			TXT	"foo\010bar"
+txt09			TXT	"foo\010bar"
+txt10			TXT	"foo bar"
+txt11			TXT	"\"foo\""
+txt12			TXT	"\"foo\""
+$TTL 300	; 5 minutes
+u			TXT	"txt-not-in-nxt"
+$ORIGIN u.example.
+a			A	73.80.65.49
+b			A	73.80.65.49
+$ORIGIN example.
+$TTL 3600	; 1 hour
+wks01			WKS	10.0.0.1 6 ( 0 1 2 21 23 )
+wks02			WKS	10.0.0.1 17 ( 0 1 2 53 )
+wks03			WKS	10.0.0.2 6 ( 65535 )
+x2501			X25	"123456789"
diff --git a/bin/tests/system/notify/ns2/example4.db b/bin/tests/system/notify/ns2/example4.db
new file mode 100644
index 0000000..86d9bf2
--- /dev/null
+++ b/bin/tests/system/notify/ns2/example4.db
@@ -0,0 +1,144 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				4          ; serial
+				300        ; refresh (300 seconds)
+				300        ; retry (300 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+example.		NS	ns3.example.
+ns3.example.		A	10.53.0.3
+
+$ORIGIN example.
+a			A	10.0.0.4
+$TTL 3600	; 1 hour
+a01			A	0.0.0.0
+a02			A	255.255.255.255
+a601			AAAA	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+afsdb01			AFSDB	0 hostname
+afsdb02			AFSDB	65535 .
+$TTL 300	; 5 minutes
+b			CNAME	foo.net.
+c			A	73.80.65.49
+$TTL 3600	; 1 hour
+cert01			CERT	65534 65535 PRIVATEOID (
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+cname01			CNAME	cname-target.
+cname02			CNAME	cname-target
+cname03			CNAME	.
+$TTL 300	; 5 minutes
+d			A	73.80.65.49
+$TTL 3600	; 1 hour
+dname01			DNAME	dname-target.
+dname02			DNAME	dname-target
+dname03			DNAME	.
+$TTL 300	; 5 minutes
+e			MX	10 mail
+			TXT	"one"
+			TXT	"three"
+			TXT	"two"
+			A	73.80.65.49
+			A	73.80.65.50
+			A	73.80.65.52
+			A	73.80.65.51
+f			A	73.80.65.52
+$TTL 3600	; 1 hour
+gpos01			GPOS	"-22.6882" "116.8652" "250.0"
+gpos02			GPOS	"" "" ""
+hinfo01			HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02			HINFO	"PC" "NetBSD"
+isdn01			ISDN	"isdn-address"
+isdn02			ISDN	"isdn-address" "subaddress"
+isdn03			ISDN	"isdn-address"
+isdn04			ISDN	"isdn-address" "subaddress"
+key01			KEY	512 255 1 (
+				AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aR
+				yzWZriO6i2odGWWQVucZqKVsENW91IOW4vqudngPZsY3
+				GvQ/xVA8/7pyFj6b7Esga60zyGW6LFe9r8n6paHrlG5o
+				jqf0BaqHT+8= )
+kx01			KX	10 kdc
+kx02			KX	10 .
+loc01			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+mb01			MG	madname
+mb02			MG	.
+mg01			MG	mgmname
+mg02			MG	.
+minfo01			MINFO	rmailbx emailbx
+minfo02			MINFO	. .
+mr01			MR	mrname
+mr02			MR	.
+mx01			MX	10 mail
+mx02			MX	10 .
+naptr01			NAPTR	0 0 "" "" "" .
+naptr02			NAPTR	65535 65535 "blurgh" "blorf" "blllbb" foo.
+nsap-ptr01		NSAP-PTR foo.
+			NSAP-PTR .
+nsap01			NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02			NSAP	0x47000580005a0000000001e133ffffff00016100
+nxt01			NXT	a.secure ( NS SOA MX SIG KEY LOC NXT )
+nxt02			NXT	. ( NSAP-PTR NXT )
+nxt03			NXT	. ( A )
+nxt04			NXT	. ( 127 )
+ptr01			PTR	example.
+px01			PX	65535 foo. bar.
+px02			PX	65535 . .
+rp01			RP	mbox-dname txt-dname
+rp02			RP	. .
+rt01			RT	0 intermediate-host
+rt02			RT	65535 .
+$TTL 300	; 5 minutes
+s			NS	ns.s
+$ORIGIN s.example.
+ns			A	73.80.65.49
+$ORIGIN example.
+$TTL 3600	; 1 hour
+sig01			SIG	NXT 1 3 3600 20000102030405 (
+				19961211100908 2143 foo
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+srv01			SRV	0 0 0 .
+srv02			SRV	65535 65535 65535 old-slow-box.example.com.
+$TTL 301	; 5 minutes 1 second
+t			A	73.80.65.49
+$TTL 3600	; 1 hour
+txt01			TXT	"foo"
+txt02			TXT	"foo" "bar"
+txt03			TXT	"foo"
+txt04			TXT	"foo" "bar"
+txt05			TXT	"foo bar"
+txt06			TXT	"foo bar"
+txt07			TXT	"foo bar"
+txt08			TXT	"foo\010bar"
+txt09			TXT	"foo\010bar"
+txt10			TXT	"foo bar"
+txt11			TXT	"\"foo\""
+txt12			TXT	"\"foo\""
+$TTL 300	; 5 minutes
+u			TXT	"txt-not-in-nxt"
+$ORIGIN u.example.
+a			A	73.80.65.49
+b			A	73.80.65.49
+$ORIGIN example.
+$TTL 3600	; 1 hour
+wks01			WKS	10.0.0.1 6 ( 0 1 2 21 23 )
+wks02			WKS	10.0.0.1 17 ( 0 1 2 53 )
+wks03			WKS	10.0.0.2 6 ( 65535 )
+x2501			X25	"123456789"
diff --git a/bin/tests/system/notify/ns2/generic.db b/bin/tests/system/notify/ns2/generic.db
new file mode 100644
index 0000000..108b552
--- /dev/null
+++ b/bin/tests/system/notify/ns2/generic.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				1          ; serial
+				300        ; refresh (300 seconds)
+				300        ; retry (300 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+        		NS	ns2
+        		NS	ns3
+ns2     		A	10.53.0.2
+ns3     		A	10.53.0.3
+
+a			A	10.0.0.1
diff --git a/bin/tests/system/notify/ns2/named.conf.in b/bin/tests/system/notify/ns2/named.conf.in
new file mode 100644
index 0000000..bc5af9d
--- /dev/null
+++ b/bin/tests/system/notify/ns2/named.conf.in
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	startup-notify-rate 5;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	// Check that named can handle a empty also-notify.
+	also-notify { /* empty */ };
+};
+
+# use both 'primaries' and 'masters' to test that they
+# can work correctly together.
+primaries noport { 10.53.0.4; };
+masters x21 port @EXTRAPORT1@ { noport; };
+
+zone x1 {
+	type primary;
+	file "generic.db";
+	also-notify { 10.53.0.3; };
+	notify-source 10.53.0.2 port @EXTRAPORT2@;
+	notify primary-only;
+};
+zone x2 {
+	type primary;
+	file "generic.db";
+	also-notify { 10.53.0.3; };
+	notify master-only; # test old syntax
+};
+
+zone x3 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x4 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x5 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x6 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x7 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x8 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x9 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x10 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x11 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x12 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x13 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x14 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x15 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x16 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x17 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x18 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x19 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x20 { type primary; file "generic.db"; also-notify { 10.53.0.3; }; };
+zone x21 { type primary; file "x21.db"; allow-update { any; }; also-notify { x21; }; };
diff --git a/bin/tests/system/notify/ns3/named.conf.in b/bin/tests/system/notify/ns3/named.conf.in
new file mode 100644
index 0000000..ee21f92
--- /dev/null
+++ b/bin/tests/system/notify/ns3/named.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "example.bk";
+	# non-responsive notify recipient (no reply, no ICMP errors)
+	also-notify { 10.53.10.53; };
+};
+
+zone "notify-source-port-test" {
+	type primary;
+	file "notify-source-port-test.db";
+	notify-source 10.53.0.3 port @EXTRAPORT2@;
+};
diff --git a/bin/tests/system/notify/ns3/notify-source-port-test.db b/bin/tests/system/notify/ns3/notify-source-port-test.db
new file mode 100644
index 0000000..221fca1
--- /dev/null
+++ b/bin/tests/system/notify/ns3/notify-source-port-test.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+notify-source-port-test.	SOA	mname1. . (
+					1          ; serial
+					300        ; refresh (300 seconds)
+					300        ; retry (300 seconds)
+					1814400    ; expire (3 weeks)
+					3600       ; minimum (1 hour)
+				)
+notify-source-port-test.	NS	ns2.notify-source-port-test.
+ns2.notify-source-port-test.	A	10.53.0.2
+notify-source-port-test.	NS	ns3.notify-source-port-test.
+ns3.notify-source-port-test.	A	10.53.0.3
diff --git a/bin/tests/system/notify/ns4/named.conf.in b/bin/tests/system/notify/ns4/named.conf.in
new file mode 100644
index 0000000..95a0ff9
--- /dev/null
+++ b/bin/tests/system/notify/ns4/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @EXTRAPORT1@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "x21" {
+	type secondary;
+	primaries { 10.53.0.2 port @PORT@; };
+	file "x21.bk";
+};
diff --git a/bin/tests/system/notify/ns4/named.port.in b/bin/tests/system/notify/ns4/named.port.in
new file mode 100644
index 0000000..8e94a3c
--- /dev/null
+++ b/bin/tests/system/notify/ns4/named.port.in
@@ -0,0 +1 @@
+@EXTRAPORT1@
diff --git a/bin/tests/system/notify/ns5/named.conf.in b/bin/tests/system/notify/ns5/named.conf.in
new file mode 100644
index 0000000..8d635e3
--- /dev/null
+++ b/bin/tests/system/notify/ns5/named.conf.in
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key "a" {
+	algorithm "hmac-md5";
+	secret "aaaaaaaaaaaaaaaaaaaa";
+};
+
+key "b" {
+	algorithm "hmac-md5";
+	secret "bbbbbbbbbbbbbbbbbbbb";
+};
+
+key "c" {
+	algorithm "hmac-md5";
+	secret "cccccccccccccccccccc";
+};
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation no;
+};
+
+view "a" {
+	match-clients { key "a"; };
+	zone "x21" {
+		type primary;
+		also-notify { 10.53.0.5 key "b"; 10.53.0.5 key "c"; };
+		file "x21.db";
+		allow-update { any; };
+	};
+};
+
+view "b" {
+	match-clients { key "b"; };
+	zone "x21" {
+		type secondary;
+		primaries { 10.53.0.5 key "a"; };
+		file "x21.bk-b";
+		notify no;
+	};
+};
+
+view "c" {
+	match-clients { key "c"; };
+	zone "x21" {
+		type secondary;
+		primaries { 10.53.0.5 key "a"; };
+		file "x21.bk-c";
+		notify no;
+	};
+};
diff --git a/bin/tests/system/notify/ns5/x21.db b/bin/tests/system/notify/ns5/x21.db
new file mode 100644
index 0000000..8f2ac7d
--- /dev/null
+++ b/bin/tests/system/notify/ns5/x21.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				1          ; serial
+				300        ; refresh (300 seconds)
+				300        ; retry (300 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+        		NS	ns5
+ns5     		A	10.53.0.5
+a			A	10.0.0.1
diff --git a/bin/tests/system/notify/setup.sh b/bin/tests/system/notify/setup.sh
new file mode 100644
index 0000000..19c41fc
--- /dev/null
+++ b/bin/tests/system/notify/setup.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+
+copy_setports ns4/named.port.in ns4/named.port
+
+cp -f ns2/example1.db ns2/example.db
+cp -f ns2/generic.db ns2/x21.db
diff --git a/bin/tests/system/notify/tests.sh b/bin/tests/system/notify/tests.sh
new file mode 100644
index 0000000..ba9dfe3
--- /dev/null
+++ b/bin/tests/system/notify/tests.sh
@@ -0,0 +1,220 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck disable=SC2034
+. ../conf.sh
+
+dig_plus_opts() {
+	$DIG +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd -p "${PORT}" "$@"
+}
+
+status=0
+n=0
+
+test_start() {
+	n=$((n+1))
+	echo_i "$* ($n)"
+	ret=0
+}
+
+test_end() {
+	[ $ret = 0 ] || echo_i "failed"
+	status=$((status + ret))
+}
+
+#
+# Wait up to 10 seconds for the servers to finish starting before testing.
+#
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$DIG +tcp -p "${PORT}" example @10.53.0.2 soa > dig.out.ns2.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+	grep "flags:.* aa[ ;]" dig.out.ns2.test$n > /dev/null || ret=1
+	$DIG +tcp -p "${PORT}" example @10.53.0.3 soa > dig.out.ns3.test$n || ret=1
+	grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+	grep "flags:.* aa[ ;]" dig.out.ns3.test$n > /dev/null || ret=1
+        nr=$(grep -c 'x[0-9].*sending notify to' ns2/named.run)
+        [ "$nr" -eq 20 ] || ret=1
+	[ $ret = 0 ] && break
+	sleep 1
+done
+
+test_start "checking initial status"
+
+dig_plus_opts a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "10.0.0.1" dig.out.ns2.test$n > /dev/null || ret=1
+
+dig_plus_opts a.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+grep "10.0.0.1" dig.out.ns3.test$n > /dev/null || ret=1
+
+digcomp dig.out.ns2.test$n dig.out.ns3.test$n || ret=1
+
+test_end
+
+test_start "checking startup notify rate limit"
+awk '/x[0-9].*sending notify to/ {
+	split($2, a, ":");
+	this = a[1] * 3600 + a[2] * 60 + a[3];
+	if (lasta1 && lasta1 > a[1]) {
+		fix = 3600 * 24;
+	}
+	this += fix;
+	if (last) {
+		delta = this - last;
+		print delta;
+
+		total += delta;
+		if (!maxdelta || delta > maxdelta) {
+			maxdelta = delta;
+		}
+		if (!mindelta || delta < mindelta) {
+			mindelta = delta;
+		}
+	}
+	lasta1 = a[1];
+	last = this;
+	count++;
+}
+END {
+	average = total / count;
+	print "mindelta:", mindelta;
+	print "maxdelta:" maxdelta;
+	print "count:", count;
+	print "average:", average;
+	if (average < 0.180) exit(1);
+	if (count < 20) exit(1);
+}' ns2/named.run > awk.out.ns2.test$n || ret=1
+test_end
+
+nextpart ns3/named.run > /dev/null
+
+sleep 1 # make sure filesystem time stamp is newer for reload.
+rm -f ns2/example.db
+cp -f ns2/example2.db ns2/example.db
+echo_i "reloading with example2 using HUP and waiting up to 45 seconds"
+kill -HUP "$(cat ns2/named.pid)"
+wait_for_log_re 45 "transfer of 'example/IN' from 10.53.0.2#.*success" ns3/named.run
+
+test_start "checking notify message was logged"
+grep 'notify from 10.53.0.2#[0-9][0-9]*: serial 2$' ns3/named.run > /dev/null || ret=1
+test_end
+
+test_start "checking example2 loaded"
+dig_plus_opts a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "10.0.0.2" dig.out.ns2.test$n > /dev/null || ret=1
+test_end
+
+test_start "checking example2 contents have been transferred after HUP reload"
+
+dig_plus_opts a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "10.0.0.2" dig.out.ns2.test$n > /dev/null || ret=1
+
+dig_plus_opts a.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+grep "10.0.0.2" dig.out.ns3.test$n > /dev/null || ret=1
+
+digcomp dig.out.ns2.test$n dig.out.ns3.test$n || ret=1
+
+test_end
+
+echo_i "stopping primary and restarting with example4 then waiting up to 45 seconds"
+stop_server ns2
+
+rm -f ns2/example.db
+cp -f ns2/example4.db ns2/example.db
+
+start_server --noclean --restart --port "${PORT}" ns2
+wait_for_log_re 45 "transfer of 'example/IN' from 10.53.0.2#.*success" ns3/named.run
+
+test_start "checking notify message was logged"
+grep 'notify from 10.53.0.2#[0-9][0-9]*: serial 4$' ns3/named.run > /dev/null || ret=1
+test_end
+
+test_start "checking example4 loaded"
+dig_plus_opts a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "10.0.0.4" dig.out.ns2.test$n > /dev/null || ret=1
+test_end
+
+test_start "checking example4 contents have been transferred after restart"
+
+dig_plus_opts a.example. @10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "10.0.0.4" dig.out.ns2.test$n > /dev/null || ret=1
+
+dig_plus_opts a.example. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+grep "10.0.0.4" dig.out.ns3.test$n > /dev/null || ret=1
+
+digcomp dig.out.ns2.test$n dig.out.ns3.test$n || ret=1
+
+test_end
+
+test_start "checking notify to alternate port with primary server inheritance"
+$NSUPDATE << EOF
+server 10.53.0.2 ${PORT}
+zone x21
+update add added.x21 0 in txt "test string"
+send
+EOF
+fn="dig.out.ns4.test$n"
+for i in 1 2 3 4 5 6 7 8 9
+do
+	dig_plus_opts added.x21. @10.53.0.4 txt -p "$EXTRAPORT1" > "$fn" || ret=1
+	grep "test string" "$fn" > /dev/null && break
+	sleep 1
+done
+grep "test string" "$fn" > /dev/null || ret=1
+test_end
+
+test_start "checking notify to multiple views using tsig"
+$NSUPDATE << EOF
+server 10.53.0.5 ${PORT}
+zone x21
+key a aaaaaaaaaaaaaaaaaaaa
+update add added.x21 0 in txt "test string"
+send
+EOF
+fnb="dig.out.b.ns5.test$n"
+fnc="dig.out.c.ns5.test$n"
+for i in 1 2 3 4 5 6 7 8 9
+do
+	dig_plus_opts added.x21. -y b:bbbbbbbbbbbbbbbbbbbb @10.53.0.5 \
+		txt > "$fnb" || ret=1
+	dig_plus_opts added.x21. -y c:cccccccccccccccccccc @10.53.0.5 \
+		txt > "$fnc" || ret=1
+	grep "test string" "$fnb" > /dev/null &&
+	grep "test string" "$fnc" > /dev/null &&
+	break
+	sleep 1
+done
+grep "test string" "$fnb" > /dev/null || ret=1
+grep "test string" "$fnc" > /dev/null || ret=1
+grep "sending notify to 10.53.0.5#[0-9]* : TSIG (b)" ns5/named.run > /dev/null || ret=1
+grep "sending notify to 10.53.0.5#[0-9]* : TSIG (c)" ns5/named.run > /dev/null || ret=1
+test_end
+
+test_start "checking notify-source uses port option correctly"
+grep "10.53.0.3#${EXTRAPORT2}: received notify for zone 'notify-source-port-test'" ns2/named.run > /dev/null || ret=1
+test_end
+
+# notify messages were sent to unresponsive 10.53.10.53 during the tests
+# above, which should time out at some point; we need to wait for them to
+# appear in the logs in case the tests run faster than the notify timeouts
+
+test_start "checking notify retries expire within 45 seconds"
+nextpartreset ns3/named.run
+wait_for_log 45 'retries exceeded' ns3/named.run || ret=1
+test_end
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/notify/tests_sh_notify.py b/bin/tests/system/notify/tests_sh_notify.py
new file mode 100644
index 0000000..105b2d8
--- /dev/null
+++ b/bin/tests/system/notify/tests_sh_notify.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_notify(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/nsec3/clean.sh b/bin/tests/system/nsec3/clean.sh
new file mode 100644
index 0000000..7ca6829
--- /dev/null
+++ b/bin/tests/system/nsec3/clean.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+rm -f dig.out.* rndc.signing.* update.out.* verify.out.*
+rm -f ns*/named.conf ns*/named.memstats ns*/named.run*
+rm -f ns*/*.jnl ns*/*.jbk ns*/managed-keys.bind
+rm -f ns*/K*.private ns*/K*.key ns*/K*.state
+rm -f ns*/dsset-* ns*/*.db ns*/*.db.signed
+rm -f ns*/keygen.out.* ns*/settime.out.*
+rm -f created.key-* *.created unused.key-*
diff --git a/bin/tests/system/nsec3/ns2/named.conf.in b/bin/tests/system/nsec3/ns2/named.conf.in
new file mode 100644
index 0000000..f4cc1b0
--- /dev/null
+++ b/bin/tests/system/nsec3/ns2/named.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+dnssec-policy "nsec3" {
+	nsec3param;
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "nsec3-xfr-inline.kasp" {
+	type primary;
+	file "nsec3-xfr-inline.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3";
+};
diff --git a/bin/tests/system/nsec3/ns2/setup.sh b/bin/tests/system/nsec3/ns2/setup.sh
new file mode 100644
index 0000000..1cbe02f
--- /dev/null
+++ b/bin/tests/system/nsec3/ns2/setup.sh
@@ -0,0 +1,22 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns2/setup.sh"
+
+zone="nsec3-xfr-inline.kasp"
+echo_i "setting up zone: $zone"
+zonefile="${zone}.db"
+cp template.db.in "$zonefile"
diff --git a/bin/tests/system/nsec3/ns2/template.db.in b/bin/tests/system/nsec3/ns2/template.db.in
new file mode 100644
index 0000000..8379c37
--- /dev/null
+++ b/bin/tests/system/nsec3/ns2/template.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns2
+ns2			A	10.53.0.2
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+
diff --git a/bin/tests/system/nsec3/ns3/named.conf.in b/bin/tests/system/nsec3/ns3/named.conf.in
new file mode 100644
index 0000000..de09774
--- /dev/null
+++ b/bin/tests/system/nsec3/ns3/named.conf.in
@@ -0,0 +1,218 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+dnssec-policy "nsec" {
+	// no need to change configuration: if no 'nsec3param' is set,
+	// NSEC will be used;
+};
+
+dnssec-policy "rsasha1" {
+	keys {
+		csk lifetime unlimited algorithm rsasha1;
+	};
+};
+
+dnssec-policy "nsec3" {
+	nsec3param;
+};
+
+dnssec-policy "optout" {
+	nsec3param optout yes;
+};
+
+dnssec-policy "nsec3-other" {
+	nsec3param iterations 11 optout yes salt-length 8;
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+/* This zone starts with NSEC, but will be reconfigured to use NSEC3. */
+zone "nsec-to-nsec3.kasp" {
+	type primary;
+	file "nsec-to-nsec3.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec";
+};
+
+/*
+ * This zone starts with NSEC, but will be reconfigured to use NSEC3.
+ * This should work despite the incompatible RSAHSHA1 algorithm,
+ * because the DS is still in hidden state.
+ */
+zone "rsasha1-to-nsec3.kasp" {
+	type primary;
+	file "rsasha1-to-nsec3.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha1";
+};
+
+/*
+ * This zone starts with NSEC, but will be reconfigured to use NSEC3.
+ * This should block because RSASHA1 is not compatible with NSEC3,
+ * and the DS is published.
+ */
+zone "rsasha1-to-nsec3-wait.kasp" {
+	type primary;
+	file "rsasha1-to-nsec3-wait.kasp.db";
+	inline-signing yes;
+	dnssec-policy "rsasha1";
+};
+
+/*
+ * This zone starts with NSEC3, but will be reconfigured to use NSEC with an
+ * NSEC only algorithm. This should work despite the incompatible RSAHSHA1
+ * algorithm, because the DS is still in hidden state.
+ */
+zone "nsec3-to-rsasha1.kasp" {
+	type primary;
+	file "nsec3-to-rsasha1.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3";
+};
+
+/*
+ * This zone starts with NSEC3, but will be reconfigured to use NSEC with an
+ * NSEC only algorithm. This should also be fine because we are allowed
+ * to change to NSEC with any algorithm, then we can also publish the new
+ * DNSKEY and signatures of the RSASHA1 algorithm.
+ */
+zone "nsec3-to-rsasha1-ds.kasp" {
+	type primary;
+	file "nsec3-to-rsasha1-ds.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3";
+};
+
+
+/* These zones use the default NSEC3 settings. */
+zone "nsec3.kasp" {
+	type primary;
+	file "nsec3.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3";
+};
+
+zone "nsec3-dynamic.kasp" {
+	type primary;
+	file "nsec3-dynamic.kasp.db";
+	dnssec-policy "nsec3";
+	allow-update { any; };
+};
+
+/* This zone uses non-default NSEC3 settings. */
+zone "nsec3-other.kasp" {
+	type primary;
+	file "nsec3-other.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3-other";
+};
+
+/* These zones will be reconfigured to use other NSEC3 settings. */
+zone "nsec3-change.kasp" {
+	type primary;
+	file "nsec3-change.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3";
+};
+
+zone "nsec3-dynamic-change.kasp" {
+	type primary;
+	file "nsec3-dynamic-change.kasp.db";
+	dnssec-policy "nsec3";
+	allow-update { any; };
+};
+
+/* The zone will be reconfigured to use opt-out. */
+zone "nsec3-to-optout.kasp" {
+	type primary;
+	file "nsec3-to-optout.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3";
+};
+
+/* The zone will be reconfigured to disable opt-out. */
+zone "nsec3-from-optout.kasp" {
+	type primary;
+	file "nsec3-from-optout.kasp.db";
+	inline-signing yes;
+	dnssec-policy "optout";
+};
+
+/* The zone starts with NSEC3, but will be reconfigured to use NSEC. */
+zone "nsec3-to-nsec.kasp" {
+	type primary;
+	file "nsec3-to-nsec.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3";
+};
+
+/* The zone fails to load, this should not prevent shutdown. */
+zone "nsec3-fails-to-load.kasp" {
+	type primary;
+	file "nsec3-fails-to-load.kasp.db";
+	dnssec-policy "nsec3";
+	allow-update { any; };
+};
+
+/* These zones switch from dynamic to inline-signing or vice versa. */
+zone "nsec3-dynamic-to-inline.kasp" {
+	type primary;
+	file "nsec3-dynamic-to-inline.kasp.db";
+	dnssec-policy "nsec3";
+	allow-update { any; };
+};
+
+zone "nsec3-inline-to-dynamic.kasp" {
+	type primary;
+	file "nsec3-inline-to-dynamic.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3";
+};
+
+/* Test adding a NSEC3 record to an inline-signing dnssec-policy zone. */
+zone "nsec3-dynamic-update-inline.kasp" {
+	type primary;
+	file "nsec3-dynamic-update-inline.kasp.db";
+	inline-signing yes;
+	allow-update { any; };
+	dnssec-policy "nsec";
+};
+
+zone "nsec3-xfr-inline.kasp" {
+	type secondary;
+	file "nsec3-xfr-inline.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec";
+	primaries { 10.53.0.2; };
+};
diff --git a/bin/tests/system/nsec3/ns3/named2.conf.in b/bin/tests/system/nsec3/ns3/named2.conf.in
new file mode 100644
index 0000000..084bba3
--- /dev/null
+++ b/bin/tests/system/nsec3/ns3/named2.conf.in
@@ -0,0 +1,212 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+dnssec-policy "nsec" {
+	// no need to change configuration: if no 'nsec3param' is set,
+	// NSEC will be used;
+};
+
+dnssec-policy "rsasha1" {
+	keys {
+		csk lifetime unlimited algorithm rsasha1;
+	};
+};
+
+dnssec-policy "nsec3" {
+	nsec3param;
+};
+
+dnssec-policy "optout" {
+	nsec3param optout yes;
+};
+
+dnssec-policy "nsec3-other" {
+	nsec3param iterations 11 optout yes salt-length 0;
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	allow-transfer { any; };
+	recursion no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+/* This zone starts with NSEC, but will be reconfigured to use NSEC3. */
+zone "nsec-to-nsec3.kasp" {
+	type primary;
+	file "nsec-to-nsec3.kasp.db";
+	inline-signing yes;
+	//dnssec-policy "nsec";
+	dnssec-policy "nsec3";
+};
+
+/*
+ * This zone starts with NSEC, but will be reconfigured to use NSEC3.
+ * This should work despite the incompatible RSAHSHA1 algorithm,
+ * because the DS is still in hidden state.
+ */
+zone "rsasha1-to-nsec3.kasp" {
+	type primary;
+	file "rsasha1-to-nsec3.kasp.db";
+	inline-signing yes;
+	//dnssec-policy "rsasha1";
+	dnssec-policy "nsec3";
+};
+
+/*
+ * This zone starts with NSEC, but will be reconfigured to use NSEC3.
+ * This should block because RSASHA1 is not compatible with NSEC3,
+ * and the DS is published.
+ */
+zone "rsasha1-to-nsec3-wait.kasp" {
+	type primary;
+	file "rsasha1-to-nsec3-wait.kasp.db";
+	inline-signing yes;
+	//dnssec-policy "rsasha1";
+	dnssec-policy "nsec3";
+};
+
+/*
+ * This zone starts with NSEC3, but will be reconfigured to use NSEC with an
+ * NSEC only algorithm. This should work despite the incompatible RSAHSHA1
+ * algorithm, because the DS is still in hidden state.
+ */
+zone "nsec3-to-rsasha1.kasp" {
+	type primary;
+	file "nsec3-to-rsasha1.kasp.db";
+	inline-signing yes;
+	//dnssec-policy "nsec3";
+	dnssec-policy "rsasha1";
+};
+
+/*
+ * This zone starts with NSEC3, but will be reconfigured to use NSEC with an
+ * NSEC only algorithm. This should also be fine because we are allowed
+ * to change to NSEC with any algorithm, then we can also publish the new
+ * DNSKEY and signatures of the RSASHA1 algorithm.
+ */
+zone "nsec3-to-rsasha1-ds.kasp" {
+	type primary;
+	file "nsec3-to-rsasha1-ds.kasp.db";
+	inline-signing yes;
+	//dnssec-policy "nsec3";
+	dnssec-policy "rsasha1";
+};
+
+/* These zones use the default NSEC3 settings. */
+zone "nsec3.kasp" {
+	type primary;
+	file "nsec3.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3";
+};
+
+zone "nsec3-dynamic.kasp" {
+	type primary;
+	file "nsec3-dynamic.kasp.db";
+	dnssec-policy "nsec3";
+	allow-update { any; };
+};
+
+/* This zone uses non-default NSEC3 settings. */
+zone "nsec3-other.kasp" {
+	type primary;
+	file "nsec3-other.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3-other";
+};
+
+/* These zone will be reconfigured to use other NSEC3 settings. */
+zone "nsec3-change.kasp" {
+	type primary;
+	file "nsec3-change.kasp.db";
+	inline-signing yes;
+	//dnssec-policy "nsec3";
+	dnssec-policy "nsec3-other";
+};
+
+zone "nsec3-dynamic-change.kasp" {
+	type primary;
+	file "nsec3-dynamic-change.kasp.db";
+	//dnssec-policy "nsec3";
+	dnssec-policy "nsec3-other";
+	allow-update { any; };
+};
+
+/* The zone will be reconfigured to use opt-out. */
+zone "nsec3-to-optout.kasp" {
+	type primary;
+	file "nsec3-to-optout.kasp.db";
+	inline-signing yes;
+	//dnssec-policy "nsec3";
+	dnssec-policy "optout";
+};
+
+/* The zone will be reconfigured to disable opt-out. */
+zone "nsec3-from-optout.kasp" {
+	type primary;
+	file "nsec3-from-optout.kasp.db";
+	inline-signing yes;
+	//dnssec-policy "optout";
+	dnssec-policy "nsec3";
+};
+
+/* The zone starts with NSEC3, but will be reconfigured to use NSEC. */
+zone "nsec3-to-nsec.kasp" {
+	type primary;
+	file "nsec3-to-nsec.kasp.db";
+	inline-signing yes;
+	//dnssec-policy "nsec3";
+	dnssec-policy "nsec";
+};
+
+/* The zone fails to load, but is fixed after a reload. */
+zone "nsec3-fails-to-load.kasp" {
+	type primary;
+	file "nsec3-fails-to-load.kasp.db";
+	dnssec-policy "nsec3";
+	allow-update { any; };
+};
+
+/* These zones switch from dynamic to inline-signing or vice versa. */
+zone "nsec3-dynamic-to-inline.kasp" {
+	type primary;
+	file "nsec3-dynamic-to-inline.kasp.db";
+	inline-signing yes;
+	dnssec-policy "nsec3";
+	allow-update { any; };
+};
+
+zone "nsec3-inline-to-dynamic.kasp" {
+	type primary;
+	file "nsec3-inline-to-dynamic.kasp.db";
+	inline-signing no;
+	dnssec-policy "nsec3";
+	allow-update { any; };
+};
diff --git a/bin/tests/system/nsec3/ns3/nsec3-fails-to-load.kasp.db.in b/bin/tests/system/nsec3/ns3/nsec3-fails-to-load.kasp.db.in
new file mode 100644
index 0000000..77b0d10
--- /dev/null
+++ b/bin/tests/system/nsec3/ns3/nsec3-fails-to-load.kasp.db.in
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@			IN SOA  kasp. nsec3-fails-to-load.kasp. (
+                                1          ; serial
+                                30         ; refresh (30 seconds)
+                                10         ; retry (10 seconds)
+                                3600000    ; expire (5 weeks 6 days 16 hours)
+                                300        ; minimum (5 minutes)
+                                )
+                        NS      nsec3-fails-to-load.kasp.
diff --git a/bin/tests/system/nsec3/ns3/setup.sh b/bin/tests/system/nsec3/ns3/setup.sh
new file mode 100644
index 0000000..68bc2e4
--- /dev/null
+++ b/bin/tests/system/nsec3/ns3/setup.sh
@@ -0,0 +1,60 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+echo_i "ns3/setup.sh"
+
+setup() {
+	zone="$1"
+	echo_i "setting up zone: $zone"
+	zonefile="${zone}.db"
+	infile="${zone}.db.infile"
+	cp template.db.in "$zonefile"
+}
+
+for zn in nsec-to-nsec3 nsec3 nsec3-other nsec3-change nsec3-to-nsec \
+	  nsec3-to-optout nsec3-from-optout nsec3-dynamic \
+	  nsec3-dynamic-change nsec3-dynamic-to-inline \
+	  nsec3-inline-to-dynamic nsec3-dynamic-update-inline
+do
+	setup "${zn}.kasp"
+done
+
+if (cd ..; $SHELL ../testcrypto.sh -q RSASHA1)
+then
+	for zn in rsasha1-to-nsec3 rsasha1-to-nsec3-wait nsec3-to-rsasha1 \
+		  nsec3-to-rsasha1-ds
+	do
+		setup "${zn}.kasp"
+	done
+
+	longago="now-1y"
+	keytimes="-P ${longago} -A ${longago}"
+	O="omnipresent"
+
+	zone="rsasha1-to-nsec3-wait.kasp"
+	CSK=$($KEYGEN -k "rsasha1" -l named.conf $keytimes $zone 2> keygen.out.$zone)
+	echo_i "Created key file $CSK"
+	$SETTIME -s -g $O -k $O $longago -r $O $longago -z $O $longago -d $O $longago "$CSK" > settime.out.$zone 2>&1
+
+	zone="nsec3-to-rsasha1-ds.kasp"
+	CSK=$($KEYGEN -k "default" -l named.conf $keytimes $zone 2> keygen.out.$zone)
+	echo_i "Created key file $CSK"
+	$SETTIME -s -g $O -k $O $longago -r $O $longago -z $O $longago -d $O $longago "$CSK" > settime.out.$zone 2>&1
+else
+	echo_i "skip: skip rsasha1 zones - signing with RSASHA1 not supported"
+fi
+
+cp nsec3-fails-to-load.kasp.db.in nsec3-fails-to-load.kasp.db
diff --git a/bin/tests/system/nsec3/ns3/template.db.in b/bin/tests/system/nsec3/ns3/template.db.in
new file mode 100644
index 0000000..010b05b
--- /dev/null
+++ b/bin/tests/system/nsec3/ns3/template.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		IN	SOA  mname1. . (
+			1       ; serial
+			20      ; refresh (20 seconds)
+			20      ; retry (20 seconds)
+			1814400 ; expire (3 weeks)
+			3600    ; minimum (1 hour)
+			)
+
+			NS	ns3
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+c			A	10.0.0.3
+
diff --git a/bin/tests/system/nsec3/setup.sh b/bin/tests/system/nsec3/setup.sh
new file mode 100644
index 0000000..bdd1ae9
--- /dev/null
+++ b/bin/tests/system/nsec3/setup.sh
@@ -0,0 +1,30 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+$SHELL clean.sh
+
+copy_setports ns2/named.conf.in ns2/named.conf
+(
+	cd ns2
+	$SHELL setup.sh
+)
+copy_setports ns3/named.conf.in ns3/named.conf
+(
+	cd ns3
+	$SHELL setup.sh
+)
diff --git a/bin/tests/system/nsec3/tests.sh b/bin/tests/system/nsec3/tests.sh
new file mode 100644
index 0000000..117bf63
--- /dev/null
+++ b/bin/tests/system/nsec3/tests.sh
@@ -0,0 +1,553 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+# shellcheck source=kasp.sh
+. ../kasp.sh
+
+# Log errors and increment $ret.
+log_error() {
+	echo_i "error: $1"
+	ret=$((ret+1))
+}
+
+# Call dig with default options.
+dig_with_opts() {
+	$DIG +tcp +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" "$@"
+}
+
+# Call rndc.
+rndccmd() {
+    "$RNDC" -c ../common/rndc.conf -p "$CONTROLPORT" -s "$@"
+}
+
+# Set zone name ($1) and policy ($2) for testing nsec3.
+set_zone_policy() {
+	ZONE=$1
+	POLICY=$2
+	NUM_KEYS=$3
+	DNSKEY_TTL=$4
+}
+# Set expected NSEC3 parameters: flags ($1), iterations ($2), and
+# salt length ($3).
+set_nsec3param() {
+	FLAGS=$1
+	ITERATIONS=$2
+	SALTLEN=$3
+	# Reset salt.
+	SALT=""
+}
+
+# Set expected default dnssec-policy keys values.
+set_key_default_values() {
+	key_clear $1
+
+	set_keyrole      $1 "csk"
+	set_keylifetime  $1 "0"
+	set_keyalgorithm $1 "13" "ECDSAP256SHA256" "256"
+	set_keysigning   $1 "yes"
+	set_zonesigning  $1 "yes"
+
+	set_keystate $1 "GOAL"         "omnipresent"
+	set_keystate $1 "STATE_DNSKEY" "rumoured"
+	set_keystate $1 "STATE_KRRSIG" "rumoured"
+	set_keystate $1 "STATE_ZRRSIG" "rumoured"
+	set_keystate $1 "STATE_DS"     "hidden"
+}
+
+# Set expected rsasha1 dnssec-policy keys values.
+set_key_rsasha1_values() {
+	key_clear $1
+
+	set_keyrole      $1 "csk"
+	set_keylifetime  $1 "0"
+	set_keyalgorithm $1 "5" "RSASHA1" "2048"
+	set_keysigning   $1 "yes"
+	set_zonesigning  $1 "yes"
+
+	set_keystate $1 "GOAL"         "omnipresent"
+	set_keystate $1 "STATE_DNSKEY" "rumoured"
+	set_keystate $1 "STATE_KRRSIG" "rumoured"
+	set_keystate $1 "STATE_ZRRSIG" "rumoured"
+	set_keystate $1 "STATE_DS"     "hidden"
+}
+
+# Update the key states.
+set_key_states() {
+	set_keystate $1 "GOAL"         "$2"
+	set_keystate $1 "STATE_DNSKEY" "$3"
+	set_keystate $1 "STATE_KRRSIG" "$4"
+	set_keystate $1 "STATE_ZRRSIG" "$5"
+	set_keystate $1 "STATE_DS"     "$6"
+}
+
+# The apex NSEC3PARAM record indicates that it is signed.
+_wait_for_nsec3param() {
+	dig_with_opts +noquestion "@${SERVER}" "$ZONE" NSEC3PARAM > "dig.out.test$n.wait" || return 1
+	grep "${ZONE}\..*IN.*NSEC3PARAM.*1.*0.*${ITERATIONS}.*${SALT}" "dig.out.test$n.wait" > /dev/null || return 1
+	grep "${ZONE}\..*IN.*RRSIG" "dig.out.test$n.wait" > /dev/null || return 1
+        return 0
+}
+# The apex NSEC record indicates that it is signed.
+_wait_for_nsec() {
+	dig_with_opts +noquestion "@${SERVER}" "$ZONE" NSEC > "dig.out.test$n.wait" || return 1
+	grep "NS SOA" "dig.out.test$n.wait" > /dev/null || return 1
+	grep "${ZONE}\..*IN.*RRSIG" "dig.out.test$n.wait" > /dev/null || return 1
+	grep "${ZONE}\..*IN.*NSEC3PARAM" "dig.out.test$n.wait" > /dev/null && return 1
+        return 0
+}
+
+# Wait for the zone to be signed.
+wait_for_zone_is_signed() {
+	n=$((n+1))
+	ret=0
+	echo_i "wait for ${ZONE} to be signed with $1 ($n)"
+
+	if [ "$1" = "nsec3" ]; then
+		retry_quiet 10 _wait_for_nsec3param || log_error "wait for ${ZONE} to be signed failed"
+	else
+		retry_quiet 10 _wait_for_nsec || log_error "wait for ${ZONE} to be signed failed"
+	fi
+
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+# Test: check DNSSEC verify
+_check_dnssec_verify() {
+        dig_with_opts @$SERVER "${ZONE}" AXFR > "dig.out.test$n.axfr.$ZONE" || return 1
+        $VERIFY -z -o "$ZONE" "dig.out.test$n.axfr.$ZONE" > "verify.out.test$n.$ZONE" 2>&1 || return 1
+	return 0
+}
+
+# Test: check NSEC in answers
+_check_nsec_nsec3param() {
+	dig_with_opts +noquestion @$SERVER "${ZONE}" NSEC3PARAM > "dig.out.test$n.nsec3param.$ZONE" || return 1
+	grep "NSEC3PARAM" "dig.out.test$n.nsec3param.$ZONE" > /dev/null && return 1
+	return 0
+}
+
+_check_nsec_nxdomain() {
+	dig_with_opts @$SERVER "nosuchname.${ZONE}" > "dig.out.test$n.nxdomain.$ZONE" || return 1
+	grep "${ZONE}.*IN.*NSEC.*NS.*SOA.*RRSIG.*NSEC.*DNSKEY" "dig.out.test$n.nxdomain.$ZONE" > /dev/null || return 1
+	grep "NSEC3" "dig.out.test$n.nxdomain.$ZONE" > /dev/null && return 1
+	return 0
+}
+
+check_nsec() {
+	wait_for_zone_is_signed "nsec"
+
+	n=$((n+1))
+	echo_i "check DNSKEY rrset is signed correctly for zone ${ZONE} ($n)"
+	ret=0
+	check_keys
+	retry_quiet 10 _check_apex_dnskey || log_error "bad DNSKEY RRset for zone ${ZONE}"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+
+	n=$((n+1))
+	echo_i "verify DNSSEC for zone ${ZONE} ($n)"
+	ret=0
+	retry_quiet 10 _check_dnssec_verify || log_error "DNSSEC verify failed for zone ${ZONE}"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+
+	n=$((n+1))
+	echo_i "check NSEC3PARAM response for zone ${ZONE} ($n)"
+	ret=0
+	retry_quiet 10 _check_nsec_nsec3param || log_error "unexpected NSEC3PARAM in response for zone ${ZONE}"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+
+	n=$((n+1))
+	echo_i "check NXDOMAIN response for zone ${ZONE} ($n)"
+	ret=0
+	retry_quiet 10 _check_nsec_nxdomain || log_error "bad NXDOMAIN response for zone ${ZONE}"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+# Test: check NSEC3 parameters in answers
+_check_nsec3_nsec3param() {
+	dig_with_opts +noquestion @$SERVER "${ZONE}" NSEC3PARAM > "dig.out.test$n.nsec3param.$ZONE" || return 1
+	grep "${ZONE}.*0.*IN.*NSEC3PARAM.*1.*0.*${ITERATIONS}.*${SALT}" "dig.out.test$n.nsec3param.$ZONE" > /dev/null || return 1
+
+	if [ -z "$SALT" ]; then
+		SALT=$(awk '$4 == "NSEC3PARAM" { print $8 }' dig.out.test$n.nsec3param.$ZONE)
+	fi
+	return 0
+}
+
+_check_nsec3_nxdomain() {
+	dig_with_opts @$SERVER "nosuchname.${ZONE}" > "dig.out.test$n.nxdomain.$ZONE" || return 1
+	grep ".*\.${ZONE}.*IN.*NSEC3.*1.${FLAGS}.*${ITERATIONS}.*${SALT}" "dig.out.test$n.nxdomain.$ZONE" > /dev/null || return 1
+	return 0
+}
+
+check_nsec3() {
+	wait_for_zone_is_signed "nsec3"
+
+	n=$((n+1))
+	echo_i "check that NSEC3PARAM 1 0 ${ITERATIONS} is published zone ${ZONE} ($n)"
+	ret=0
+	retry_quiet 10 _check_nsec3_nsec3param || log_error "bad NSEC3PARAM response for ${ZONE}"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+
+	n=$((n+1))
+	echo_i "check NXDOMAIN response has correct NSEC3 1 ${FLAGS} ${ITERATIONS} ${SALT} for zone ${ZONE} ($n)"
+	ret=0
+	retry_quiet 10 _check_nsec3_nxdomain || log_error "bad NXDOMAIN response for zone ${ZONE}"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+
+	n=$((n+1))
+	echo_i "verify DNSSEC for zone ${ZONE} ($n)"
+	ret=0
+	retry_quiet 10 _check_dnssec_verify || log_error "DNSSEC verify failed for zone ${ZONE}"
+	test "$ret" -eq 0 || echo_i "failed"
+	status=$((status+ret))
+}
+
+start_time="$(TZ=UTC date +%s)"
+status=0
+n=0
+
+key_clear "KEY1"
+key_clear "KEY2"
+key_clear "KEY3"
+key_clear "KEY4"
+
+# Zone: nsec-to-nsec3.kasp.
+set_zone_policy "nsec-to-nsec3.kasp" "nsec" 1 3600
+set_server "ns3" "10.53.0.3"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec
+
+if ($SHELL ../testcrypto.sh -q RSASHA1)
+then
+	# Zone: rsasha1-to-nsec3.kasp.
+	set_zone_policy "rsasha1-to-nsec3.kasp" "rsasha1" 1 3600
+	set_server "ns3" "10.53.0.3"
+	set_key_rsasha1_values "KEY1"
+	echo_i "initial check zone ${ZONE}"
+	check_nsec
+
+	# Zone: rsasha1-to-nsec3-wait.kasp.
+	set_zone_policy "rsasha1-to-nsec3-wait.kasp" "rsasha1" 1 3600
+	set_server "ns3" "10.53.0.3"
+	set_key_rsasha1_values "KEY1"
+	set_key_states "KEY1" "omnipresent" "omnipresent" "omnipresent" "omnipresent" "omnipresent"
+	echo_i "initial check zone ${ZONE}"
+	check_nsec
+
+	# Zone: nsec3-to-rsasha1.kasp.
+	set_zone_policy "nsec3-to-rsasha1.kasp" "nsec3" 1 3600
+	set_server "ns3" "10.53.0.3"
+	set_key_rsasha1_values "KEY1"
+	echo_i "initial check zone ${ZONE}"
+	check_nsec3
+
+	# Zone: nsec3-to-rsasha1-ds.kasp.
+	set_zone_policy "nsec3-to-rsasha1-ds.kasp" "nsec3" 1 3600
+	set_server "ns3" "10.53.0.3"
+	set_key_rsasha1_values "KEY1"
+	set_key_states "KEY1" "omnipresent" "omnipresent" "omnipresent" "omnipresent" "omnipresent"
+	echo_i "initial check zone ${ZONE}"
+	check_nsec3
+fi
+
+# Zone: nsec3.kasp.
+set_zone_policy "nsec3.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec3
+
+# Zone: nsec3-dynamic.kasp.
+set_zone_policy "nsec3-dynamic.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec3
+
+# Zone: nsec3-change.kasp.
+set_zone_policy "nsec3-change.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec3
+
+# Zone: nsec3-dynamic-change.kasp.
+set_zone_policy "nsec3-dynamic-change.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec3
+
+# Zone: nsec3-dynamic-to-inline.kasp.
+set_zone_policy "nsec3-dynamic-to-inline.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec3
+
+# Zone: nsec3-inline-to-dynamic.kasp.
+set_zone_policy "nsec3-inline-to-dynamic.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec3
+
+# Zone: nsec3-to-nsec.kasp.
+set_zone_policy "nsec3-to-nsec.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec3
+
+# Zone: nsec3-to-optout.kasp.
+set_zone_policy "nsec3-to-optout.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec3
+
+# Zone: nsec3-from-optout.kasp.
+set_zone_policy "nsec3-from-optout.kasp" "optout" 1 3600
+set_nsec3param "1" "0" "0"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec3
+
+# Zone: nsec3-other.kasp.
+set_zone_policy "nsec3-other.kasp" "nsec3-other" 1 3600
+set_nsec3param "1" "11" "8"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec3
+
+# Zone: nsec3-xfr-inline.kasp.
+# This is a secondary zone, where the primary is signed with NSEC3 but
+# the dnssec-policy dictates NSEC.
+set_zone_policy "nsec3-xfr-inline.kasp" "nsec" 1 3600
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec
+
+# Zone: nsec3-dynamic-update-inline.kasp.
+set_zone_policy "nsec3-dynamic-update-inline.kasp" "nsec" 1 3600
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec
+
+n=$((n+1))
+echo_i "dynamic update dnssec-policy zone ${ZONE} with NSEC3 ($n)"
+ret=0
+$NSUPDATE > update.out.$ZONE.test$n 2>&1 << END || ret=1
+server 10.53.0.3 ${PORT}
+zone ${ZONE}.
+update add 04O18462RI5903H8RDVL0QDT5B528DUJ.${ZONE}. 3600 NSEC3 0 0 0 408A4B2D412A4E95 1JMDDPMTFF8QQLIOINSIG4CR9OTICAOC A RRSIG
+send
+END
+wait_for_log 10 "updating zone '${ZONE}/IN': update failed: explicit NSEC3 updates are not allowed in secure zones (REFUSED)" ns3/named.run || ret=1
+check_nsec
+
+# Reconfig named.
+ret=0
+echo_i "reconfig dnssec-policy to trigger nsec3 rollovers"
+copy_setports ns3/named2.conf.in ns3/named.conf
+rndc_reconfig ns3 10.53.0.3
+
+# Zone: nsec-to-nsec3.kasp. (reconfigured)
+set_zone_policy "nsec-to-nsec3.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "check zone ${ZONE} after reconfig"
+check_nsec3
+
+if ($SHELL ../testcrypto.sh -q RSASHA1)
+then
+	# Zone: rsasha1-to-nsec3.kasp.
+	set_zone_policy "rsasha1-to-nsec3.kasp" "nsec3" 2 3600
+	set_server "ns3" "10.53.0.3"
+	set_key_rsasha1_values "KEY1"
+	set_key_states "KEY1" "hidden" "unretentive" "unretentive" "unretentive" "hidden"
+	set_keysigning  "KEY1" "no"
+	set_zonesigning "KEY1" "no"
+	set_key_default_values "KEY2"
+	echo_i "check zone ${ZONE} after reconfig"
+	check_nsec3
+
+	# Zone: rsasha1-to-nsec3-wait.kasp.
+	set_zone_policy "rsasha1-to-nsec3-wait.kasp" "nsec3" 2 3600
+	set_server "ns3" "10.53.0.3"
+	set_key_rsasha1_values "KEY1"
+	set_key_states "KEY1" "hidden" "omnipresent" "omnipresent" "omnipresent" "omnipresent"
+	set_key_default_values "KEY2"
+	echo_i "check zone ${ZONE} after reconfig"
+	check_nsec
+
+	# Zone: nsec3-to-rsasha1.kasp.
+	set_zone_policy "nsec3-to-rsasha1.kasp" "rsasha1" 2 3600
+	set_nsec3param "1" "0" "0"
+	set_server "ns3" "10.53.0.3"
+	set_key_default_values "KEY1"
+	set_key_states  "KEY1" "hidden" "unretentive" "unretentive" "unretentive" "hidden"
+	set_keysigning  "KEY1" "no"
+	set_zonesigning "KEY1" "no"
+	set_key_rsasha1_values "KEY2"
+	echo_i "check zone ${ZONE} after reconfig"
+	check_nsec
+
+	# Zone: nsec3-to-rsasha1-ds.kasp.
+	set_zone_policy "nsec3-to-rsasha1-ds.kasp" "rsasha1" 2 3600
+	set_nsec3param "1" "0" "0"
+	set_server "ns3" "10.53.0.3"
+	set_key_default_values "KEY1"
+	set_key_states "KEY1" "hidden" "omnipresent" "omnipresent" "omnipresent" "omnipresent"
+	set_key_rsasha1_values "KEY2"
+	echo_i "check zone ${ZONE} after reconfig"
+	check_nsec
+
+	key_clear "KEY1"
+	key_clear "KEY2"
+fi
+
+# Zone: nsec3.kasp. (same)
+set_zone_policy "nsec3.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "check zone ${ZONE} after reconfig"
+check_nsec3
+
+# Zone: nsec3-dyamic.kasp. (same)
+set_zone_policy "nsec3-dynamic.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "check zone ${ZONE} after reconfig"
+check_nsec3
+
+# Zone: nsec3-change.kasp. (reconfigured)
+set_zone_policy "nsec3-change.kasp" "nsec3-other" 1 3600
+set_nsec3param "1" "11" "8"
+set_key_default_values "KEY1"
+echo_i "check zone ${ZONE} after reconfig"
+check_nsec3
+
+# Zone: nsec3-dynamic-change.kasp. (reconfigured)
+set_zone_policy "nsec3-dynamic-change.kasp" "nsec3-other" 1 3600
+set_nsec3param "1" "11" "8"
+set_key_default_values "KEY1"
+echo_i "check zone ${ZONE} after reconfig"
+check_nsec3
+
+# Zone: nsec3-dynamic-to-inline.kasp. (same)
+set_zone_policy "nsec3-dynamic-to-inline.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "check zone ${ZONE} after reconfig"
+check_nsec3
+
+# Zone: nsec3-inline-to-dynamic.kasp. (same)
+set_zone_policy "nsec3-inline-to-dynamic.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "initial check zone ${ZONE}"
+check_nsec3
+
+# Zone: nsec3-to-nsec.kasp. (reconfigured)
+set_zone_policy "nsec3-to-nsec.kasp" "nsec" 1 3600
+set_nsec3param "1" "11" "8"
+set_key_default_values "KEY1"
+echo_i "check zone ${ZONE} after reconfig"
+check_nsec
+
+# Zone: nsec3-to-optout.kasp. (reconfigured)
+# DISABLED:
+# There is a bug in the nsec3param building code that thinks when the
+# optout bit is changed, the chain already exists. [GL #2216]
+#set_zone_policy "nsec3-to-optout.kasp" "optout" 1 3600
+#set_nsec3param "1" "0" "0"
+#set_key_default_values "KEY1"
+#echo_i "check zone ${ZONE} after reconfig"
+#check_nsec3
+
+# Zone: nsec3-from-optout.kasp. (reconfigured)
+# DISABLED:
+# There is a bug in the nsec3param building code that thinks when the
+# optout bit is changed, the chain already exists. [GL #2216]
+#set_zone_policy "nsec3-from-optout.kasp" "nsec3" 1 3600
+#set_nsec3param "0" "0" "0"
+#set_key_default_values "KEY1"
+#echo_i "check zone ${ZONE} after reconfig"
+#check_nsec3
+
+# Zone: nsec3-other.kasp. (same)
+set_zone_policy "nsec3-other.kasp" "nsec3-other" 1 3600
+set_nsec3param "1" "11" "8"
+set_key_default_values "KEY1"
+echo_i "check zone ${ZONE} after reconfig"
+check_nsec3
+
+# Using rndc signing -nsec3param (should fail)
+set_zone_policy "nsec3-change.kasp" "nsec3-other" 1 3600
+echo_i "use rndc signing -nsec3param ${ZONE} to change NSEC3 settings"
+rndccmd $SERVER signing -nsec3param 1 1 12 ffff $ZONE > rndc.signing.test$n.$ZONE || log_error "failed to call rndc signing -nsec3param $ZONE"
+grep "zone uses dnssec-policy, use rndc dnssec command instead" rndc.signing.test$n.$ZONE > /dev/null || log_error "rndc signing -nsec3param should fail"
+check_nsec3
+
+# Test NSEC3 and NSEC3PARAM is the same after restart
+set_zone_policy "nsec3.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "check zone ${ZONE} before restart"
+check_nsec3
+
+# Restart named, NSEC3 should stay the same.
+ret=0
+echo "stop ns3"
+stop_server --use-rndc --port ${CONTROLPORT} ${DIR} || ret=1
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+ret=0
+echo "start ns3"
+start_server --noclean --restart --port ${PORT} ${DIR}
+test "$ret" -eq 0 || echo_i "failed"
+status=$((status+ret))
+
+prevsalt="${SALT}"
+set_zone_policy "nsec3.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+SALT="${prevsalt}"
+echo_i "check zone ${ZONE} after restart has salt ${SALT}"
+check_nsec3
+
+# Zone: nsec3-fails-to-load.kasp. (should be fixed after reload)
+cp ns3/template.db.in ns3/nsec3-fails-to-load.kasp.db
+rndc_reload ns3 10.53.0.3
+
+set_zone_policy "nsec3-fails-to-load.kasp" "nsec3" 1 3600
+set_nsec3param "0" "0" "0"
+set_key_default_values "KEY1"
+echo_i "check zone ${ZONE} after reload"
+check_nsec3
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/nsec3/tests_sh_nsec3.py b/bin/tests/system/nsec3/tests_sh_nsec3.py
new file mode 100644
index 0000000..16df541
--- /dev/null
+++ b/bin/tests/system/nsec3/tests_sh_nsec3.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_nsec3(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/nslookup/clean.sh b/bin/tests/system/nslookup/clean.sh
new file mode 100644
index 0000000..dc0c70d
--- /dev/null
+++ b/bin/tests/system/nslookup/clean.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns1/example.db
+rm -f nslookup.out*
+rm -f nslookup.err*
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/named.conf
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/nslookup/ns1/example.net.db b/bin/tests/system/nslookup/ns1/example.net.db
new file mode 100644
index 0000000..73aeeb1
--- /dev/null
+++ b/bin/tests/system/nslookup/ns1/example.net.db
@@ -0,0 +1,31 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+
+@		86400	IN SOA	ns1 hostmaster (
+					1397051952 ; "SER0"
+					5
+					5
+					1814400
+					3600 )
+@			NS	ns1
+ns1			A	10.53.0.1
+
+a-only			A	1.2.3.4
+aaaa-only		AAAA	2001::ffff
+
+dual			A	1.2.3.4
+			AAAA	2001::ffff
+
+cname-a-only		CNAME	a-only
+cname-aaaa-only		CNAME	aaaa-only
+cname-dual		CNAME	dual
diff --git a/bin/tests/system/nslookup/ns1/named.conf.in b/bin/tests/system/nslookup/ns1/named.conf.in
new file mode 100644
index 0000000..8338a9c
--- /dev/null
+++ b/bin/tests/system/nslookup/ns1/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "example.net" {
+	type primary;
+	file "example.net.db";
+};
diff --git a/bin/tests/system/nslookup/setup.sh b/bin/tests/system/nslookup/setup.sh
new file mode 100644
index 0000000..67d3ccf
--- /dev/null
+++ b/bin/tests/system/nslookup/setup.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 1 >ns1/example.db
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/nslookup/tests.sh b/bin/tests/system/nslookup/tests.sh
new file mode 100644
index 0000000..e985f19
--- /dev/null
+++ b/bin/tests/system/nslookup/tests.sh
@@ -0,0 +1,159 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck disable=SC2086
+. ../conf.sh
+
+status=0
+n=0
+
+n=$((n+1))
+echo_i "Check that domain names that are too big when applying a search list entry are handled cleanly ($n)"
+ret=0
+l=012345678901234567890123456789012345678901234567890123456789012
+t=0123456789012345678901234567890123456789012345678901234567890
+d=$l.$l.$l.$t
+$NSLOOKUP -port=${PORT} -domain=$d -type=soa example 10.53.0.1 2> nslookup.err${n} > nslookup.out${n} || ret=1
+lines=$(wc -l < nslookup.err${n})
+test $lines -eq 0 || ret=1
+grep "origin = ns1.example" nslookup.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check A only lookup ($n)"
+ret=0
+$NSLOOKUP -port=${PORT} a-only.example.net 10.53.0.1 2> nslookup.err${n} > nslookup.out${n} || ret=1
+lines=$(wc -l < nslookup.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Server:" nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c a-only.example.net nslookup.out${n})
+test $lines -eq 1 || ret=1
+grep "1.2.3.4" nslookup.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# See [GL #4044]
+n=$((n+1))
+echo_i "Check A only lookup with a delayed stdin input ($n)"
+ret=0
+(sleep 6 && echo "server 10.53.0.1" && echo "a-only.example.net.") | $NSLOOKUP -port=${PORT} 2> nslookup.err${n} > nslookup.out${n} || ret=1
+lines=$(wc -l < nslookup.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Server:" nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c a-only.example.net nslookup.out${n})
+test $lines -eq 1 || ret=1
+grep "1.2.3.4" nslookup.out${n} > /dev/null || ret=1
+grep "timed out" nslookup.out${n} > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check AAAA only lookup ($n)"
+ret=0
+$NSLOOKUP -port=${PORT} aaaa-only.example.net 10.53.0.1 2> nslookup.err${n} > nslookup.out${n} || ret=1
+lines=$(wc -l < nslookup.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Server:" nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c aaaa-only.example.net nslookup.out${n})
+test $lines -eq 1 || ret=1
+grep "2001::ffff" nslookup.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check dual A + AAAA lookup ($n)"
+ret=0
+$NSLOOKUP -port=${PORT} dual.example.net 10.53.0.1 2> nslookup.err${n} > nslookup.out${n} || ret=1
+lines=$(wc -l < nslookup.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Server:" nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c dual.example.net nslookup.out${n})
+test $lines -eq 2 || ret=1
+grep "1.2.3.4" nslookup.out${n} > /dev/null || ret=1
+grep "2001::ffff" nslookup.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check CNAME to A only lookup ($n)"
+ret=0
+$NSLOOKUP -port=${PORT} cname-a-only.example.net 10.53.0.1 2> nslookup.err${n} > nslookup.out${n} || ret=1
+lines=$(wc -l < nslookup.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Server:" nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c "canonical name" nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep a-only.example.net nslookup.out${n} | grep -cv "canonical name")
+test $lines -eq 1 || ret=1
+grep "1.2.3.4" nslookup.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check CNAME to AAAA only lookup ($n)"
+ret=0
+$NSLOOKUP -port=${PORT} cname-aaaa-only.example.net 10.53.0.1 2> nslookup.err${n} > nslookup.out${n} || ret=1
+lines=$(wc -l < nslookup.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Server:" nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c "canonical name" nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep aaaa-only.example.net nslookup.out${n} | grep -cv "canonical name")
+test $lines -eq 1 || ret=1
+grep "2001::ffff" nslookup.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check CNAME to dual A + AAAA lookup ($n)"
+ret=0
+$NSLOOKUP -port=${PORT} cname-dual.example.net 10.53.0.1 2> nslookup.err${n} > nslookup.out${n} || ret=1
+lines=$(wc -l < nslookup.err${n})
+test $lines -eq 0 || ret=1
+lines=$(grep -c "Server:" nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c "canonical name" nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep dual.example.net nslookup.out${n} | grep -cv "canonical name")
+test $lines -eq 2 || ret=1
+grep "1.2.3.4" nslookup.out${n} > /dev/null || ret=1
+grep "2001::ffff" nslookup.out${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "Check ANY lookup ($n)"
+ret=0
+$NSLOOKUP -port=${PORT} -type=ANY example.net 10.53.0.1 2> nslookup.err${n} > nslookup.out${n} || ret=1
+lines=$(grep -c 'Address:.10\.53\.0\.1#'"${PORT}" nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c 'origin = ns1\.example\.net' nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c 'mail addr = hostmaster\.example\.net' nslookup.out${n})
+test $lines -eq 1 || ret=1
+lines=$(grep -c 'nameserver = ns1\.example\.net.' nslookup.out${n})
+test $lines -eq 1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/nslookup/tests_sh_nslookup.py b/bin/tests/system/nslookup/tests_sh_nslookup.py
new file mode 100644
index 0000000..9553a82
--- /dev/null
+++ b/bin/tests/system/nslookup/tests_sh_nslookup.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_nslookup(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/nsupdate/ans4/ans.pl b/bin/tests/system/nsupdate/ans4/ans.pl
new file mode 100644
index 0000000..30c792f
--- /dev/null
+++ b/bin/tests/system/nsupdate/ans4/ans.pl
@@ -0,0 +1,65 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use IO::Socket;
+use IO::File;
+use strict;
+
+# Ignore SIGPIPE so we won't fail if peer closes a TCP socket early
+local $SIG{PIPE} = 'IGNORE';
+
+# Flush logged output after every line
+local $| = 1;
+
+my $server_addr = "10.53.0.4";
+if (@ARGV > 0) {
+	$server_addr = @ARGV[0];
+}
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $udpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $localport, Proto => "udp", Reuse => 1) or die "$!";
+my $tcpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $localport, Proto => "tcp", Listen => 5, Reuse => 1) or die "$!";
+
+print "listening on $server_addr:$localport.\n";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";;
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+# Main
+for (;;) {
+	my $rin;
+	my $rout;
+
+	$rin = '';
+	vec($rin, fileno($udpsock), 1) = 1;
+	vec($rin, fileno($tcpsock), 1) = 1;
+
+	select($rout = $rin, undef, undef, undef);
+
+	if (vec($rout, fileno($udpsock), 1)) {
+		printf "UDP request\n";
+		my $buf;
+		$udpsock->recv($buf, 512);
+	} elsif (vec($rout, fileno($tcpsock), 1)) {
+		printf "TCP request\n";
+	}
+}
diff --git a/bin/tests/system/nsupdate/clean.sh b/bin/tests/system/nsupdate/clean.sh
new file mode 100644
index 0000000..689c2f5
--- /dev/null
+++ b/bin/tests/system/nsupdate/clean.sh
@@ -0,0 +1,71 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after zone transfer tests.
+#
+
+rm -f */*.jnl
+rm -f */named.conf
+rm -f */named.memstats
+rm -f */named.run */ans.run
+rm -f */named.run.prev
+rm -f Kxxx.*
+rm -f check.out.*
+rm -f dig.out.*
+rm -f jp.out.ns3.*
+rm -f nextpart.out.*
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
+rm -f ns*/named.lock
+rm -f ns1/example.db ns1/unixtime.db ns1/yyyymmddvv.db ns1/update.db ns1/other.db ns1/keytests.db
+rm -f ns1/many.test.db
+rm -f ns1/maxjournal.db
+rm -f ns1/md5.key ns1/sha1.key ns1/sha224.key ns1/sha256.key ns1/sha384.key
+rm -f ns1/legacy157.key ns1/legacy161.key ns1/legacy162.key ns1/legacy163.key ns1/legacy164.key ns1/legacy165.key
+rm -f ns1/sample.db
+rm -f ns1/sha512.key ns1/ddns.key
+rm -f ns10/_default.tsigkeys
+rm -f ns10/example.com.db
+rm -f ns10/in-addr.db
+rm -f ns2/example.bk
+rm -f ns2/sample.db
+rm -f ns2/update.bk ns2/update.alt.bk
+rm -f ns3/*.signed
+rm -f ns3/K*
+rm -f ns3/delegation.test.db
+rm -f ns3/dnskey.test.db
+rm -f ns3/dsset-*
+rm -f ns3/example.db
+rm -f ns3/multisigner.test.db
+rm -f ns3/many.test.bk
+rm -f ns3/nsec3param.test.db
+rm -f ns3/too-big.test.db
+rm -f ns5/local.db
+rm -f ns6/in-addr.db
+rm -f ns7/_default.tsigkeys
+rm -f ns7/example.com.db
+rm -f ns7/in-addr.db
+rm -f ns8/_default.tsigkeys
+rm -f ns8/example.com.db
+rm -f ns8/in-addr.db
+rm -f ns9/_default.tsigkeys
+rm -f ns9/denyname.example.db
+rm -f ns9/example.com.db
+rm -f ns9/in-addr.db
+rm -f perl.update_test.out
+rm -f nsupdate.alg-*
+rm -f nsupdate.out*
+rm -f typelist.out.*
+rm -f update.out.*
+rm -f update.in.*
+rm -f verylarge
diff --git a/bin/tests/system/nsupdate/commandlist b/bin/tests/system/nsupdate/commandlist
new file mode 100644
index 0000000..41c8049
--- /dev/null
+++ b/bin/tests/system/nsupdate/commandlist
@@ -0,0 +1,15 @@
+server 127.0.0.1
+server 127.0.0.1 port
+update
+update delete
+update delete dummy
+update delete dummy in
+update delete dummy in a
+update delete dummy in a 127.0.0.1
+update add
+update add domain
+update add domain 0
+update add domain 0 in
+update add domain 0 in a
+update add domain 0 a
+update add domain 0 a in
diff --git a/bin/tests/system/nsupdate/knowngood.ns1.after b/bin/tests/system/nsupdate/knowngood.ns1.after
new file mode 100644
index 0000000..4114159
--- /dev/null
+++ b/bin/tests/system/nsupdate/knowngood.ns1.after
@@ -0,0 +1,99 @@
+example.nil.		300	IN	SOA	ns1.example.nil. hostmaster.example.nil. 2 2000 2000 1814400 3600
+example.nil.		300	IN	NS	ns1.example.nil.
+example.nil.		300	IN	NS	ns2.example.nil.
+*.example.nil.		300	IN	MX	10 mail.example.nil.
+a.example.nil.		300	IN	TXT	"foo foo foo"
+a.example.nil.		300	IN	PTR	foo.net.
+a01.example.nil.	3600	IN	A	0.0.0.0
+a02.example.nil.	3600	IN	A	255.255.255.255
+a601.example.nil.	3600	IN	AAAA	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+afsdb01.example.nil.	3600	IN	AFSDB	0 hostname.example.nil.
+afsdb02.example.nil.	3600	IN	AFSDB	65535 .
+b.example.nil.		300	IN	CNAME	foo.net.
+c.example.nil.		300	IN	A	73.80.65.49
+cert01.example.nil.	3600	IN	CERT	65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+cname01.example.nil.	3600	IN	CNAME	cname-target.
+cname02.example.nil.	3600	IN	CNAME	cname-target.example.nil.
+cname03.example.nil.	3600	IN	CNAME	.
+d.example.nil.		300	IN	A	73.80.65.49
+dname01.example.nil.	3600	IN	DNAME	dname-target.
+dname02.example.nil.	3600	IN	DNAME	dname-target.example.nil.
+dname03.example.nil.	3600	IN	DNAME	.
+e.example.nil.		300	IN	MX	10 mail.example.nil.
+e.example.nil.		300	IN	TXT	"one"
+e.example.nil.		300	IN	TXT	"two"
+e.example.nil.		300	IN	TXT	"three"
+e.example.nil.		300	IN	A	73.80.65.49
+e.example.nil.		300	IN	A	73.80.65.50
+e.example.nil.		300	IN	A	73.80.65.51
+e.example.nil.		300	IN	A	73.80.65.52
+f.example.nil.		300	IN	A	73.80.65.52
+gpos01.example.nil.	3600	IN	GPOS	"-22.6882" "116.8652" "250.0"
+gpos02.example.nil.	3600	IN	GPOS	"" "" ""
+hinfo01.example.nil.	3600	IN	HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02.example.nil.	3600	IN	HINFO	"PC" "NetBSD"
+isdn01.example.nil.	3600	IN	ISDN	"isdn-address"
+isdn02.example.nil.	3600	IN	ISDN	"isdn-address" "subaddress"
+isdn03.example.nil.	3600	IN	ISDN	"isdn-address"
+isdn04.example.nil.	3600	IN	ISDN	"isdn-address" "subaddress"
+key01.example.nil.	3600	IN	KEY	512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+kx01.example.nil.	3600	IN	KX	10 kdc.example.nil.
+kx02.example.nil.	3600	IN	KX	10 .
+loc01.example.nil.	3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02.example.nil.	3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+mb01.example.nil.	3600	IN	MG	madname.example.nil.
+mb02.example.nil.	3600	IN	MG	.
+mg01.example.nil.	3600	IN	MG	mgmname.example.nil.
+mg02.example.nil.	3600	IN	MG	.
+minfo01.example.nil.	3600	IN	MINFO	rmailbx.example.nil. emailbx.example.nil.
+minfo02.example.nil.	3600	IN	MINFO	. .
+mr01.example.nil.	3600	IN	MR	mrname.example.nil.
+mr02.example.nil.	3600	IN	MR	.
+mx01.example.nil.	3600	IN	MX	10 mail.example.nil.
+mx02.example.nil.	3600	IN	MX	10 .
+naptr01.example.nil.	3600	IN	NAPTR	0 0 "" "" "" .
+naptr02.example.nil.	3600	IN	NAPTR	65535 65535 "blurgh" "blorf" "blllbb" foo.
+ns1.example.nil.	300	IN	A	10.53.0.1
+ns2.example.nil.	300	IN	A	10.53.0.2
+nsap-ptr01.example.nil.	3600	IN	NSAP-PTR .
+nsap-ptr01.example.nil.	3600	IN	NSAP-PTR foo.
+nsap01.example.nil.	3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02.example.nil.	3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nxt01.example.nil.	3600	IN	NXT	a.secure.example.nil. NS SOA MX SIG KEY LOC NXT
+nxt02.example.nil.	3600	IN	NXT	. NSAP-PTR NXT
+nxt03.example.nil.	3600	IN	NXT	. A
+nxt04.example.nil.	3600	IN	NXT	. 127
+ptr01.example.nil.	3600	IN	PTR	example.nil.
+px01.example.nil.	3600	IN	PX	65535 foo. bar.
+px02.example.nil.	3600	IN	PX	65535 . .
+rp01.example.nil.	3600	IN	RP	mbox-dname.example.nil. txt-dname.example.nil.
+rp02.example.nil.	3600	IN	RP	. .
+rt01.example.nil.	3600	IN	RT	0 intermediate-host.example.nil.
+rt02.example.nil.	3600	IN	RT	65535 .
+s.example.nil.		300	IN	NS	ns.s.example.nil.
+ns.s.example.nil.	300	IN	A	73.80.65.49
+sig01.example.nil.	3600	IN	SIG	NXT 1 3 3600 20000102030405 19961211100908 2143 foo.example.nil. MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+srv01.example.nil.	3600	IN	SRV	0 0 0 .
+srv02.example.nil.	3600	IN	SRV	65535 65535 65535 old-slow-box.example.com.
+txt01.example.nil.	3600	IN	TXT	"foo"
+txt02.example.nil.	3600	IN	TXT	"foo" "bar"
+txt03.example.nil.	3600	IN	TXT	"foo"
+txt04.example.nil.	3600	IN	TXT	"foo" "bar"
+txt05.example.nil.	3600	IN	TXT	"foo bar"
+txt06.example.nil.	3600	IN	TXT	"foo bar"
+txt07.example.nil.	3600	IN	TXT	"foo bar"
+txt08.example.nil.	3600	IN	TXT	"foo\010bar"
+txt09.example.nil.	3600	IN	TXT	"foo\010bar"
+txt10.example.nil.	3600	IN	TXT	"foo bar"
+txt11.example.nil.	3600	IN	TXT	"\"foo\""
+txt12.example.nil.	3600	IN	TXT	"\"foo\""
+u.example.nil.		300	IN	TXT	"txt-not-in-nxt"
+a.u.example.nil.	300	IN	A	73.80.65.49
+b.u.example.nil.	300	IN	A	73.80.65.49
+updated.example.nil.	600	IN	TXT	"Foo"
+updated.example.nil.	600	IN	A	10.10.10.1
+wks01.example.nil.	3600	IN	WKS	10.0.0.1 6 0 1 2 21 23
+wks02.example.nil.	3600	IN	WKS	10.0.0.1 17 0 1 2 53
+wks03.example.nil.	3600	IN	WKS	10.0.0.2 6 65535
+x2501.example.nil.	3600	IN	X25	"123456789"
+example.nil.		300	IN	SOA	ns1.example.nil. hostmaster.example.nil. 2 2000 2000 1814400 3600
diff --git a/bin/tests/system/nsupdate/knowngood.ns1.afterstop b/bin/tests/system/nsupdate/knowngood.ns1.afterstop
new file mode 100644
index 0000000..e871d4c
--- /dev/null
+++ b/bin/tests/system/nsupdate/knowngood.ns1.afterstop
@@ -0,0 +1,3 @@
+updated4.example.nil.	600	IN	A	10.10.10.3
+example.nil.		300	IN	NS	ns1.example.nil.
+example.nil.		300	IN	NS	ns2.example.nil.
diff --git a/bin/tests/system/nsupdate/knowngood.ns1.before b/bin/tests/system/nsupdate/knowngood.ns1.before
new file mode 100644
index 0000000..4a5e630
--- /dev/null
+++ b/bin/tests/system/nsupdate/knowngood.ns1.before
@@ -0,0 +1,98 @@
+example.nil.		300	IN	SOA	ns1.example.nil. hostmaster.example.nil. 1 2000 2000 1814400 3600
+example.nil.		300	IN	NS	ns1.example.nil.
+example.nil.		300	IN	NS	ns2.example.nil.
+*.example.nil.		300	IN	MX	10 mail.example.nil.
+a.example.nil.		300	IN	TXT	"foo foo foo"
+a.example.nil.		300	IN	PTR	foo.net.
+a01.example.nil.	3600	IN	A	0.0.0.0
+a02.example.nil.	3600	IN	A	255.255.255.255
+a601.example.nil.	3600	IN	AAAA	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+afsdb01.example.nil.	3600	IN	AFSDB	0 hostname.example.nil.
+afsdb02.example.nil.	3600	IN	AFSDB	65535 .
+b.example.nil.		300	IN	CNAME	foo.net.
+c.example.nil.		300	IN	A	73.80.65.49
+cert01.example.nil.	3600	IN	CERT	65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+cname01.example.nil.	3600	IN	CNAME	cname-target.
+cname02.example.nil.	3600	IN	CNAME	cname-target.example.nil.
+cname03.example.nil.	3600	IN	CNAME	.
+d.example.nil.		300	IN	A	73.80.65.49
+dname01.example.nil.	3600	IN	DNAME	dname-target.
+dname02.example.nil.	3600	IN	DNAME	dname-target.example.nil.
+dname03.example.nil.	3600	IN	DNAME	.
+e.example.nil.		300	IN	MX	10 mail.example.nil.
+e.example.nil.		300	IN	TXT	"one"
+e.example.nil.		300	IN	TXT	"two"
+e.example.nil.		300	IN	TXT	"three"
+e.example.nil.		300	IN	A	73.80.65.49
+e.example.nil.		300	IN	A	73.80.65.50
+e.example.nil.		300	IN	A	73.80.65.51
+e.example.nil.		300	IN	A	73.80.65.52
+f.example.nil.		300	IN	A	73.80.65.52
+gpos01.example.nil.	3600	IN	GPOS	"-22.6882" "116.8652" "250.0"
+gpos02.example.nil.	3600	IN	GPOS	"" "" ""
+hinfo01.example.nil.	3600	IN	HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02.example.nil.	3600	IN	HINFO	"PC" "NetBSD"
+isdn01.example.nil.	3600	IN	ISDN	"isdn-address"
+isdn02.example.nil.	3600	IN	ISDN	"isdn-address" "subaddress"
+isdn03.example.nil.	3600	IN	ISDN	"isdn-address"
+isdn04.example.nil.	3600	IN	ISDN	"isdn-address" "subaddress"
+key01.example.nil.	3600	IN	KEY	512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+kx01.example.nil.	3600	IN	KX	10 kdc.example.nil.
+kx02.example.nil.	3600	IN	KX	10 .
+loc01.example.nil.	3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02.example.nil.	3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+mb01.example.nil.	3600	IN	MG	madname.example.nil.
+mb02.example.nil.	3600	IN	MG	.
+mg01.example.nil.	3600	IN	MG	mgmname.example.nil.
+mg02.example.nil.	3600	IN	MG	.
+minfo01.example.nil.	3600	IN	MINFO	rmailbx.example.nil. emailbx.example.nil.
+minfo02.example.nil.	3600	IN	MINFO	. .
+mr01.example.nil.	3600	IN	MR	mrname.example.nil.
+mr02.example.nil.	3600	IN	MR	.
+mx01.example.nil.	3600	IN	MX	10 mail.example.nil.
+mx02.example.nil.	3600	IN	MX	10 .
+naptr01.example.nil.	3600	IN	NAPTR	0 0 "" "" "" .
+naptr02.example.nil.	3600	IN	NAPTR	65535 65535 "blurgh" "blorf" "blllbb" foo.
+ns1.example.nil.	300	IN	A	10.53.0.1
+ns2.example.nil.	300	IN	A	10.53.0.2
+nsap-ptr01.example.nil.	3600	IN	NSAP-PTR .
+nsap-ptr01.example.nil.	3600	IN	NSAP-PTR foo.
+nsap01.example.nil.	3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02.example.nil.	3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nxt01.example.nil.	3600	IN	NXT	a.secure.example.nil. NS SOA MX SIG KEY LOC NXT
+nxt02.example.nil.	3600	IN	NXT	. NSAP-PTR NXT
+nxt03.example.nil.	3600	IN	NXT	. A
+nxt04.example.nil.	3600	IN	NXT	. 127
+ptr01.example.nil.	3600	IN	PTR	example.nil.
+px01.example.nil.	3600	IN	PX	65535 foo. bar.
+px02.example.nil.	3600	IN	PX	65535 . .
+rp01.example.nil.	3600	IN	RP	mbox-dname.example.nil. txt-dname.example.nil.
+rp02.example.nil.	3600	IN	RP	. .
+rt01.example.nil.	3600	IN	RT	0 intermediate-host.example.nil.
+rt02.example.nil.	3600	IN	RT	65535 .
+s.example.nil.		300	IN	NS	ns.s.example.nil.
+ns.s.example.nil.	300	IN	A	73.80.65.49
+sig01.example.nil.	3600	IN	SIG	NXT 1 3 3600 20000102030405 19961211100908 2143 foo.example.nil. MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+srv01.example.nil.	3600	IN	SRV	0 0 0 .
+srv02.example.nil.	3600	IN	SRV	65535 65535 65535 old-slow-box.example.com.
+t.example.nil.		301	IN	A	73.80.65.49
+txt01.example.nil.	3600	IN	TXT	"foo"
+txt02.example.nil.	3600	IN	TXT	"foo" "bar"
+txt03.example.nil.	3600	IN	TXT	"foo"
+txt04.example.nil.	3600	IN	TXT	"foo" "bar"
+txt05.example.nil.	3600	IN	TXT	"foo bar"
+txt06.example.nil.	3600	IN	TXT	"foo bar"
+txt07.example.nil.	3600	IN	TXT	"foo bar"
+txt08.example.nil.	3600	IN	TXT	"foo\010bar"
+txt09.example.nil.	3600	IN	TXT	"foo\010bar"
+txt10.example.nil.	3600	IN	TXT	"foo bar"
+txt11.example.nil.	3600	IN	TXT	"\"foo\""
+txt12.example.nil.	3600	IN	TXT	"\"foo\""
+u.example.nil.		300	IN	TXT	"txt-not-in-nxt"
+a.u.example.nil.	300	IN	A	73.80.65.49
+b.u.example.nil.	300	IN	A	73.80.65.49
+wks01.example.nil.	3600	IN	WKS	10.0.0.1 6 0 1 2 21 23
+wks02.example.nil.	3600	IN	WKS	10.0.0.1 17 0 1 2 53
+wks03.example.nil.	3600	IN	WKS	10.0.0.2 6 65535
+x2501.example.nil.	3600	IN	X25	"123456789"
+example.nil.		300	IN	SOA	ns1.example.nil. hostmaster.example.nil. 1 2000 2000 1814400 3600
diff --git a/bin/tests/system/nsupdate/krb/setup.sh b/bin/tests/system/nsupdate/krb/setup.sh
new file mode 100644
index 0000000..3d254a8
--- /dev/null
+++ b/bin/tests/system/nsupdate/krb/setup.sh
@@ -0,0 +1,117 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -x
+
+PWD=$(pwd)
+
+KRB5_CONFIG="${PWD}/krb5.conf"
+export KRB5_CONFIG
+
+KRB5_KDC_PROFILE=${PWD}/krb5kdc
+export KRB5_KDC_PROFILE
+
+now=$(date +%s)
+lifetime=$((2147483647 - now))
+lifetime=$((lifetime / 3600 / 24 - 30))
+
+cat << EOF > "${KRB5_CONFIG}"
+[libdefaults]
+   default_realm = EXAMPLE.COM
+   dns_lookup_kdc = false
+   # Depending on what you are testing, you may want something like:
+   # default_keytab_name = FILE:/usr/local/var/keytab
+[realms]
+   EXAMPLE.COM = {
+     admin_server = 127.0.0.1:50001
+     kdc = 127.0.0.1:50000
+     database_module = DB2
+     kdc_ports = 50000
+     kadmind_port = 50001
+   }
+[dbmodules]
+   DB2 = {
+     db_library = db2
+   }
+[logging]
+   # Use any pathnames you want here.
+   kdc = FILE:${PWD}/kdc.log
+   admin_server = FILE:${PWD}/kadmin.log
+# Depending on what you are testing, you may want:
+# [domain_realm]
+#   your.domain = EXAMPLE.COM
+EOF
+
+rm -rf ${KRB5_KDC_PROFILE}
+mkdir -p ${KRB5_KDC_PROFILE}
+chmod 700 ${KRB5_KDC_PROFILE}
+
+cat << EOF > "${KRB5_KDC_PROFILE}"/kdc.conf
+[kdcdefaults]
+  kdc_ports = 50000
+  kdc_tcp_ports = 50000
+
+[realms]
+  EXAMPLE.COM = {
+    key_stash_file = ${KRB5_KDC_PROFILE}/.k5.EXAMPLE.COM
+    database_module = EXAMPLE.COM
+    max_life = ${lifetime}d
+}
+
+[dbmodules]
+  EXAMPLE.COM = {
+    db_library = db2
+    database_name = ${KRB5_KDC_PROFILE}/principal
+  }
+EOF
+
+kdb5_util create -s <<EOF
+master
+master
+EOF
+
+krb5kdc -n &
+krb5kdcpid=$!
+#trap "kill $krb5kdcpid; wait; trap 0; exit" 0 15
+
+
+kadmin.local addprinc -maxlife ${lifetime}d -randkey DNS/ns7.example.com@EXAMPLE.COM
+kadmin.local addprinc -maxlife ${lifetime}d -randkey DNS/ns8.example.com@EXAMPLE.COM
+kadmin.local addprinc -maxlife ${lifetime}d -randkey host/machine.example.com@EXAMPLE.COM
+
+kadmin.local ktadd -k ns7-server.keytab DNS/ns7.example.com@EXAMPLE.COM
+kadmin.local ktadd -k ns8-server.keytab DNS/ns8.example.com@EXAMPLE.COM
+kadmin.local ktadd -k krb5-machine.keytab host/machine.example.com@EXAMPLE.COM
+
+kadmin.local addprinc -maxlife ${lifetime}d -randkey 'DNS/ns9.example.com@EXAMPLE.COM'
+kadmin.local addprinc -maxlife ${lifetime}d -randkey 'DNS/ns10.example.com@EXAMPLE.COM'
+kadmin.local addprinc -maxlife ${lifetime}d -randkey 'machine$@EXAMPLE.COM'
+
+kadmin.local ktadd -k ns9-server.keytab 'DNS/ns9.example.com@EXAMPLE.COM'
+kadmin.local ktadd -k ns10-server.keytab 'DNS/ns10.example.com@EXAMPLE.COM'
+kadmin.local ktadd -k ms-machine.keytab 'machine$@EXAMPLE.COM'
+
+kinit -V -k -t krb5-machine.keytab -l ${lifetime}d -c krb5-machine.ccache host/machine.example.com@EXAMPLE.COM
+kinit -V -k -t ms-machine.keytab -l ${lifetime}d -c ms-machine.ccache 'machine$@EXAMPLE.COM'
+
+cp ns7-server.keytab ../ns7/dns.keytab
+cp ns8-server.keytab ../ns8/dns-other-than-KRB5_KTNAME.keytab
+cp ns9-server.keytab ../ns9/dns.keytab
+cp ns10-server.keytab ../ns10/dns.keytab
+
+cp krb5-machine.ccache ../ns7/machine.ccache
+cp krb5-machine.ccache ../ns8/machine.ccache
+cp ms-machine.ccache ../ns9/machine.ccache
+cp ms-machine.ccache ../ns10/machine.ccache
+
+echo krb5kdc pid:$krb5kdcpid
diff --git a/bin/tests/system/nsupdate/ns1/example1.db b/bin/tests/system/nsupdate/ns1/example1.db
new file mode 100644
index 0000000..566b0a0
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/example1.db
@@ -0,0 +1,146 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example.nil		IN SOA	ns1.example.nil. hostmaster.example.nil. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.nil.		NS	ns1.example.nil.
+ns1.example.nil.	A	10.53.0.1
+example.nil.		NS	ns2.example.nil.
+ns2.example.nil.	A	10.53.0.2
+
+$ORIGIN example.nil.
+*			MX	10 mail
+a			TXT	"foo foo foo"
+			PTR	foo.net.
+$TTL 3600	; 1 hour
+a01			A	0.0.0.0
+a02			A	255.255.255.255
+a601			AAAA	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+afsdb01			AFSDB	0 hostname
+afsdb02			AFSDB	65535 .
+$TTL 300	; 5 minutes
+b			CNAME	foo.net.
+c			A	73.80.65.49
+$TTL 3600	; 1 hour
+cert01			CERT	65534 65535 PRIVATEOID (
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+cname01			CNAME	cname-target.
+cname02			CNAME	cname-target
+cname03			CNAME	.
+$TTL 300	; 5 minutes
+d			A	73.80.65.49
+$TTL 3600	; 1 hour
+dname01			DNAME	dname-target.
+dname02			DNAME	dname-target
+dname03			DNAME	.
+$TTL 300	; 5 minutes
+e			MX	10 mail
+			TXT	"one"
+			TXT	"three"
+			TXT	"two"
+			A	73.80.65.49
+			A	73.80.65.50
+			A	73.80.65.52
+			A	73.80.65.51
+f			A	73.80.65.52
+$TTL 3600	; 1 hour
+gpos01			GPOS	"-22.6882" "116.8652" "250.0"
+gpos02			GPOS	"" "" ""
+hinfo01			HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02			HINFO	"PC" "NetBSD"
+isdn01			ISDN	"isdn-address"
+isdn02			ISDN	"isdn-address" "subaddress"
+isdn03			ISDN	"isdn-address"
+isdn04			ISDN	"isdn-address" "subaddress"
+key01			KEY	512 255 1 (
+				AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aR
+				yzWZriO6i2odGWWQVucZqKVsENW91IOW4vqudngPZsY3
+				GvQ/xVA8/7pyFj6b7Esga60zyGW6LFe9r8n6paHrlG5o
+				jqf0BaqHT+8= )
+kx01			KX	10 kdc
+kx02			KX	10 .
+loc01			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+mb01			MG	madname
+mb02			MG	.
+mg01			MG	mgmname
+mg02			MG	.
+minfo01			MINFO	rmailbx emailbx
+minfo02			MINFO	. .
+mr01			MR	mrname
+mr02			MR	.
+mx01			MX	10 mail
+mx02			MX	10 .
+naptr01			NAPTR	0 0 "" "" "" .
+naptr02			NAPTR	65535 65535 "blurgh" "blorf" "blllbb" foo.
+nsap-ptr01		NSAP-PTR foo.
+			NSAP-PTR .
+nsap01			NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02			NSAP	0x47000580005a0000000001e133ffffff00016100
+nxt01			NXT	a.secure ( NS SOA MX SIG KEY LOC NXT )
+nxt02			NXT	. ( NSAP-PTR NXT )
+nxt03			NXT	. ( A )
+nxt04			NXT	. ( 127 )
+ptr01			PTR	example.nil.
+px01			PX	65535 foo. bar.
+px02			PX	65535 . .
+rp01			RP	mbox-dname txt-dname
+rp02			RP	. .
+rt01			RT	0 intermediate-host
+rt02			RT	65535 .
+$TTL 300	; 5 minutes
+s			NS	ns.s
+$ORIGIN s.example.nil.
+ns			A	73.80.65.49
+$ORIGIN example.nil.
+$TTL 3600	; 1 hour
+sig01			SIG	NXT 1 3 3600 20000102030405 (
+				19961211100908 2143 foo
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+srv01			SRV	0 0 0 .
+srv02			SRV	65535 65535 65535 old-slow-box.example.com.
+$TTL 301	; 5 minutes 1 second
+t			A	73.80.65.49
+$TTL 3600	; 1 hour
+txt01			TXT	"foo"
+txt02			TXT	"foo" "bar"
+txt03			TXT	"foo"
+txt04			TXT	"foo" "bar"
+txt05			TXT	"foo bar"
+txt06			TXT	"foo bar"
+txt07			TXT	"foo bar"
+txt08			TXT	"foo\010bar"
+txt09			TXT	"foo\010bar"
+txt10			TXT	"foo bar"
+txt11			TXT	"\"foo\""
+txt12			TXT	"\"foo\""
+$TTL 300	; 5 minutes
+u			TXT	"txt-not-in-nxt"
+$ORIGIN u.example.nil.
+a			A	73.80.65.49
+b			A	73.80.65.49
+$ORIGIN example.nil.
+$TTL 3600	; 1 hour
+wks01			WKS	10.0.0.1 6 ( 0 1 2 21 23 )
+wks02			WKS	10.0.0.1 17 ( 0 1 2 53 )
+wks03			WKS	10.0.0.2 6 ( 65535 )
+x2501			X25	"123456789"
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-157.+157+23571.key b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-157.+157+23571.key
new file mode 100644
index 0000000..bed002b
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-157.+157+23571.key
@@ -0,0 +1 @@
+legacy-157. IN KEY 0 3 157 mGcDSCx/fF121GOVJlITLg==
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-157.+157+23571.private b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-157.+157+23571.private
new file mode 100644
index 0000000..3ce72dd
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-157.+157+23571.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 157 (HMAC_MD5)
+Key: mGcDSCx/fF121GOVJlITLg==
+Bits: AAA=
+Created: 20230619042408
+Publish: 20230619042408
+Activate: 20230619042408
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-161.+161+23350.key b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-161.+161+23350.key
new file mode 100644
index 0000000..cb50883
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-161.+161+23350.key
@@ -0,0 +1 @@
+legacy-161. IN KEY 0 3 161 N80fGvcr8JifzRUJ62R4rQ==
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-161.+161+23350.private b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-161.+161+23350.private
new file mode 100644
index 0000000..dea2850
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-161.+161+23350.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 161 (HMAC_SHA1)
+Key: N80fGvcr8JifzRUJ62R4rQ==
+Bits: AAA=
+Created: 20230619042427
+Publish: 20230619042427
+Activate: 20230619042427
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-162.+162+00032.key b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-162.+162+00032.key
new file mode 100644
index 0000000..126c94f
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-162.+162+00032.key
@@ -0,0 +1 @@
+legacy-162. IN KEY 0 3 162 nSIKzFAGS7/tvBs8JteI+Q==
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-162.+162+00032.private b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-162.+162+00032.private
new file mode 100644
index 0000000..af78756
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-162.+162+00032.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 162 (HMAC_SHA224)
+Key: nSIKzFAGS7/tvBs8JteI+Q==
+Bits: AAA=
+Created: 20230619042555
+Publish: 20230619042555
+Activate: 20230619042555
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-163.+163+48857.key b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-163.+163+48857.key
new file mode 100644
index 0000000..6945b1b
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-163.+163+48857.key
@@ -0,0 +1 @@
+legacy-163. IN KEY 0 3 163 CvaupxnDeES3HnlYhTq53w==
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-163.+163+48857.private b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-163.+163+48857.private
new file mode 100644
index 0000000..590ba14
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-163.+163+48857.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 163 (HMAC_SHA256)
+Key: CvaupxnDeES3HnlYhTq53w==
+Bits: AAA=
+Created: 20230619042525
+Publish: 20230619042525
+Activate: 20230619042525
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-164.+164+09001.key b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-164.+164+09001.key
new file mode 100644
index 0000000..4869618
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-164.+164+09001.key
@@ -0,0 +1 @@
+legacy-164. IN KEY 0 3 164 wDldBJwJrYfPoL1Pj4ucOQ==
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-164.+164+09001.private b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-164.+164+09001.private
new file mode 100644
index 0000000..f06f67a
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-164.+164+09001.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 164 (HMAC_SHA384)
+Key: wDldBJwJrYfPoL1Pj4ucOQ==
+Bits: AAA=
+Created: 20230619042615
+Publish: 20230619042615
+Activate: 20230619042615
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-165.+165+61012.key b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-165.+165+61012.key
new file mode 100644
index 0000000..45a2811
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-165.+165+61012.key
@@ -0,0 +1 @@
+legacy-165. IN KEY 0 3 165 OgZrTcEa8P76hVY+xyN7Wg==
diff --git a/bin/tests/system/nsupdate/ns1/legacy/Klegacy-165.+165+61012.private b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-165.+165+61012.private
new file mode 100644
index 0000000..1635f2a
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/legacy/Klegacy-165.+165+61012.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 165 (HMAC_SHA512)
+Key: OgZrTcEa8P76hVY+xyN7Wg==
+Bits: AAA=
+Created: 20230619042627
+Publish: 20230619042627
+Activate: 20230619042627
diff --git a/bin/tests/system/nsupdate/ns1/many.test.db.in b/bin/tests/system/nsupdate/ns1/many.test.db.in
new file mode 100644
index 0000000..824971b
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/many.test.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns1.example.nil. hostmaster.example.nil. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@		NS	ns1.example.nil.
+		NS	ns2.example.nil.
diff --git a/bin/tests/system/nsupdate/ns1/max-ttl.db b/bin/tests/system/nsupdate/ns1/max-ttl.db
new file mode 100644
index 0000000..fea00b9
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/max-ttl.db
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+max-ttl.nil		IN SOA	ns1.max-ttl.nil. hostmaster.max-ttl.nil. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+max-ttl.nil.		NS	ns1.max-ttl.nil.
+ns1.max-ttl.nil.	A	10.53.0.1
+max-ttl.nil.		NS	ns2.max-ttl.nil.
+ns2.max-ttl.nil.	A	10.53.0.2
+
+$ORIGIN max-ttl.nil.
+*			MX	10 mail
+a			TXT	"foo foo foo"
+			PTR	foo.net.
diff --git a/bin/tests/system/nsupdate/ns1/maxjournal.db.in b/bin/tests/system/nsupdate/ns1/maxjournal.db.in
new file mode 100644
index 0000000..d64842b
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/maxjournal.db.in
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns1.example.nil. hostmaster.example.nil. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@		NS	ns1.example.nil.
diff --git a/bin/tests/system/nsupdate/ns1/named.conf.in b/bin/tests/system/nsupdate/ns1/named.conf.in
new file mode 100644
index 0000000..2c1899f
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/named.conf.in
@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.1; 127.0.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	minimal-responses no;
+	update-quota 1;
+	dnssec-validation no;
+};
+
+acl named-acl {
+	any;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key altkey {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+key restricted.example.nil {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+key zonesub-key.example.nil {
+	algorithm hmac-md5;
+	secret "1234subk8765";
+};
+
+include "ddns.key";
+
+zone "example.nil" {
+	type primary;
+	file "example.db";
+	check-integrity no;
+	check-mx ignore;
+	update-policy {
+		grant zonesub-key.example.nil zonesub TXT;
+		grant ddns-key.example.nil subdomain example.nil ANY;
+		grant restricted.example.nil subdomain restricted.example.nil ANY;
+	};
+	allow-transfer { any; };
+};
+
+zone "max-ttl.nil" {
+	type primary;
+	file "max-ttl.db";
+	max-zone-ttl 300;
+	check-integrity no;
+	allow-update { named-acl; };
+	allow-transfer { any; };
+};
+
+zone "other.nil" {
+	type primary;
+	file "other.db";
+	check-integrity no;
+	check-mx warn;
+	update-policy local;
+	allow-query { !10.53.0.2; any; };
+	allow-query-on { 10.53.0.1; 127.0.0.1; };
+	allow-transfer { any; };
+};
+
+primaries others {
+	10.53.0.2 port @PORT@;
+	10.53.0.2 port @PORT@ key altkey;
+};
+
+zone "update.nil" {
+	type primary;
+	file "update.db";
+	check-integrity no;
+	check-mx fail;
+	allow-update { any; };
+	allow-transfer { any; };
+	also-notify { others; };
+};
+
+zone "unixtime.nil" {
+	type primary;
+	file "unixtime.db";
+	check-integrity no;
+	allow-update { any; };
+	allow-transfer { any; };
+	serial-update-method unixtime;
+};
+
+zone "yyyymmddvv.nil" {
+	type primary;
+	file "yyyymmddvv.db";
+	check-integrity no;
+	allow-update { any; };
+	allow-transfer { any; };
+	serial-update-method date;
+};
+
+include "md5.key";
+include "sha1.key";
+include "sha224.key";
+include "sha256.key";
+include "sha384.key";
+include "sha512.key";
+include "legacy157.key";
+include "legacy161.key";
+include "legacy162.key";
+include "legacy163.key";
+include "legacy164.key";
+include "legacy165.key";
+
+zone "keytests.nil" {
+	type primary;
+	file "keytests.db";
+	update-policy {
+	    grant md5-key name md5.keytests.nil. ANY;
+	    grant sha1-key name sha1.keytests.nil. ANY;
+	    grant sha224-key name sha224.keytests.nil. ANY;
+	    grant sha256-key name sha256.keytests.nil. ANY;
+	    grant sha384-key name sha384.keytests.nil. ANY;
+	    grant sha512-key name sha512.keytests.nil. ANY;
+	    grant legacy-157 name 157.keytests.nil. ANY;
+	    grant legacy-161 name 161.keytests.nil. ANY;
+	    grant legacy-162 name 162.keytests.nil. ANY;
+	    grant legacy-163 name 163.keytests.nil. ANY;
+	    grant legacy-164 name 164.keytests.nil. ANY;
+	    grant legacy-165 name 165.keytests.nil. ANY;
+	};
+};
+
+zone "many.test" {
+	type primary;
+	allow-update { any; };
+	file "many.test.db";
+};
+
+zone "sample" {
+	type primary;
+	allow-update { any; };
+	file "sample.db";
+};
+
+zone "maxjournal.test" {
+	type primary;
+	allow-update { any; };
+	file "maxjournal.db";
+	max-journal-size default;
+};
diff --git a/bin/tests/system/nsupdate/ns1/sample.db.in b/bin/tests/system/nsupdate/ns1/sample.db.in
new file mode 100644
index 0000000..9118bef
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns1/sample.db.in
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0 SOA ns1 . 0 0 0 0 0
+@ 0 NS ns1
+ns1 0 A 10.53.0.1
+; a RRset that exists
+exists 0 TXT This RRset exists.
+; nxdomain
+; A named without a TXT RRset
+no-txt 0 A 1.2.3.4
diff --git a/bin/tests/system/nsupdate/ns10/dns.keytab b/bin/tests/system/nsupdate/ns10/dns.keytab
new file mode 100644
index 0000000..95eea90
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns10/dns.keytab
diff --git a/bin/tests/system/nsupdate/ns10/example.com.db.in b/bin/tests/system/nsupdate/ns10/example.com.db.in
new file mode 100644
index 0000000..f324b19
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns10/example.com.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns10.example.com. hostmaster.example.com. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns10
+ns10			A	10.53.0.10
+single.any.self-srv	SRV	0 0 0 machine.example.com.
+many.any.self-srv	SRV	0 0 0 machine.example.com.
+many.any.self-srv	SRV	0 0 0 notmachine.example.com.
+single.srv.self-srv	SRV	0 0 0 machine.example.com.
+many.srv.self-srv	SRV	0 0 0 machine.example.com.
+many.srv.self-srv	SRV	0 0 0 notmachine.example.com.
diff --git a/bin/tests/system/nsupdate/ns10/in-addr.db.in b/bin/tests/system/nsupdate/ns10/in-addr.db.in
new file mode 100644
index 0000000..dd5d64e
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns10/in-addr.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns10.example.com. hostmaster.example.com. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns10
+ns10			A	10.53.0.10
+single.any.self-ptr	PTR	machine.example.com.
+many.any.self-ptr	PTR	machine.example.com.
+many.any.self-ptr	PTR	notmachine.example.com.
+single.ptr.self-ptr	PTR	machine.example.com.
+many.ptr.self-ptr	PTR	machine.example.com.
+many.ptr.self-ptr	PTR	notmachine.example.com.
diff --git a/bin/tests/system/nsupdate/ns10/machine.ccache b/bin/tests/system/nsupdate/ns10/machine.ccache
new file mode 100644
index 0000000..ced26bd
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns10/machine.ccache
diff --git a/bin/tests/system/nsupdate/ns10/named.conf.in b/bin/tests/system/nsupdate/ns10/named.conf.in
new file mode 100644
index 0000000..6053924
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns10/named.conf.in
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.10;
+	notify-source 10.53.0.10;
+	transfer-source 10.53.0.10;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.10; };
+	recursion no;
+	notify yes;
+	minimal-responses no;
+	dnssec-validation no;
+	@TKEY_CONFIGURATION@
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.10 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "in-addr.arpa" {
+	type primary;
+	file "in-addr.db";
+	update-policy {	grant EXAMPLE.COM ms-subdomain-self-rhs . PTR; };
+};
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant EXAMPLE.COM ms-selfsub . ANY;
+		grant EXAMPLE.COM ms-subdomain _tcp.example.com SRV;
+		grant EXAMPLE.COM ms-subdomain-self-rhs self-srv.example.com SRV;
+	};
+};
diff --git a/bin/tests/system/nsupdate/ns2/named.conf.in b/bin/tests/system/nsupdate/ns2/named.conf.in
new file mode 100644
index 0000000..848662d
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns2/named.conf.in
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	serial-query-rate 1; // workaround for KB AA-01213
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key altkey {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+view alternate {
+	match-clients { key altkey; };
+
+	zone "update.nil" {
+		type secondary;
+		primaries { 10.53.0.1; };
+		file "update.alt.bk";
+		allow-transfer { any; };
+	};
+};
+
+view primary {
+	match-clients { any; };
+
+	zone "example.nil" {
+		type secondary;
+		primaries { 10.53.0.1; };
+		file "example.bk";
+		allow-transfer { any; };
+	};
+
+	zone "update.nil" {
+		type secondary;
+		primaries { 10.53.0.1; };
+		file "update.bk";
+		allow-transfer { any; };
+	};
+
+	zone "sample" {
+		type primary;
+		allow-update { any; };
+		file "sample.db";
+	};
+};
diff --git a/bin/tests/system/nsupdate/ns2/sample.db.in b/bin/tests/system/nsupdate/ns2/sample.db.in
new file mode 100644
index 0000000..848cc86
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns2/sample.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0 SOA ns2 . 0 0 0 0 0
+@ 0 NS ns2
+ns2 0 A 10.53.0.2
+;
+; These prerequistes are reversed, relative to ns1/sample.db.in:
+; 'exists' does not exist.
+nxdomain 0 TXT This RRset exists.
+
+; a name with a TXT RRset
+no-txt 0 TXT This RRset exists
diff --git a/bin/tests/system/nsupdate/ns3/delegation.test.db.in b/bin/tests/system/nsupdate/ns3/delegation.test.db.in
new file mode 100644
index 0000000..195c73b
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns3/delegation.test.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 10
+delegation.test. IN SOA delegation.test. hostmaster.delegation.test. 1 3600 900 2419200 3600
+delegation.test. IN NS delegation.test.
+delegation.test. IN A 10.53.0.3
diff --git a/bin/tests/system/nsupdate/ns3/dnskey.test.db.in b/bin/tests/system/nsupdate/ns3/dnskey.test.db.in
new file mode 100644
index 0000000..df503fe
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns3/dnskey.test.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 10
+dnskey.test. IN SOA dnskey.test. hostmaster.dnskey.test. 1 3600 900 2419200 3600
+dnskey.test. IN NS dnskey.test.
+dnskey.test. IN A 10.53.0.3
diff --git a/bin/tests/system/nsupdate/ns3/example.db.in b/bin/tests/system/nsupdate/ns3/example.db.in
new file mode 100644
index 0000000..92c0998
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns3/example.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+example. 10 IN SOA example. hostmaster.example. 1 3600 900 2419200 3600
+example. 10 IN NS example.
+example. 10 IN A 10.53.0.3
+example. 10 IN NSEC3PARAM 1 1 0 -
diff --git a/bin/tests/system/nsupdate/ns3/multisigner.test.db.in b/bin/tests/system/nsupdate/ns3/multisigner.test.db.in
new file mode 100644
index 0000000..7b4d91c
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns3/multisigner.test.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+multisigner.test. 10 IN SOA multisigner.test. hostmaster.multisigner.test. 1 3600 900 2419200 3600
+multisigner.test. 10 IN NS multisigner.test.
+multisigner.test. 10 IN A 10.53.0.3
diff --git a/bin/tests/system/nsupdate/ns3/named.conf.in b/bin/tests/system/nsupdate/ns3/named.conf.in
new file mode 100644
index 0000000..0cfa1db
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns3/named.conf.in
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "example" {
+	type primary;
+	allow-update { any; };
+	file "example.db";
+};
+
+zone "nsec3param.test" {
+	type primary;
+	allow-update { any; };
+	file "nsec3param.test.db.signed";
+};
+
+zone "dnskey.test" {
+	type primary;
+	allow-update { any; };
+	file "dnskey.test.db.signed";
+};
+
+zone "many.test" {
+	type secondary;
+	primaries { 10.53.0.1; };
+	allow-update-forwarding { any; };
+	file "many.test.bk";
+};
+
+zone "delegation.test" {
+	type primary;
+	allow-update { any; };
+	file "delegation.test.db.signed";
+};
+
+zone "too-big.test" {
+	type primary;
+	allow-update { any; };
+	max-records 3;
+	file "too-big.test.db";
+};
+
+/* Zone for testing CDS and CDNSKEY updates from other provider */
+zone "multisigner.test" {
+	type primary;
+	allow-update { any; };
+	dnssec-policy "default";
+	file "multisigner.test.db";
+};
diff --git a/bin/tests/system/nsupdate/ns3/nsec3param.test.db.in b/bin/tests/system/nsupdate/ns3/nsec3param.test.db.in
new file mode 100644
index 0000000..b26f5bd
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns3/nsec3param.test.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 10
+nsec3param.test. IN SOA nsec3param.test. hostmaster.nsec3param.test. 1 3600 900 2419200 3600
+nsec3param.test. IN NS nsec3param.test.
+nsec3param.test. IN A 10.53.0.3
diff --git a/bin/tests/system/nsupdate/ns3/sign.sh b/bin/tests/system/nsupdate/ns3/sign.sh
new file mode 100644
index 0000000..519497c
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns3/sign.sh
@@ -0,0 +1,50 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=nsec3param.test.
+infile=nsec3param.test.db.in
+zonefile=nsec3param.test.db
+
+keyname1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+keyname2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+
+cat $infile $keyname1.key $keyname2.key >$zonefile
+
+$SIGNER -P -3 - -H 1 -o $zone -k $keyname1 $zonefile $keyname2 > /dev/null
+
+zone=dnskey.test.
+infile=dnskey.test.db.in
+zonefile=dnskey.test.db
+
+keyname1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
+keyname2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+
+cat $infile $keyname1.key $keyname2.key >$zonefile
+
+$SIGNER -P -o $zone -k $keyname1 $zonefile $keyname2 > /dev/null
+
+zone=delegation.test.
+infile=delegation.test.db.in
+zonefile=delegation.test.db
+
+keyname1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -3 -f KSK $zone)
+keyname2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -3 $zone)
+
+cat $infile $keyname1.key $keyname2.key >$zonefile
+
+$SIGNER -A -3 - -P -o $zone -k $keyname1 $zonefile $keyname2 > /dev/null
+
+# Just copy multisigner.db.in because it is signed with dnssec-policy.
+cp multisigner.test.db.in multisigner.test.db
diff --git a/bin/tests/system/nsupdate/ns3/too-big.test.db.in b/bin/tests/system/nsupdate/ns3/too-big.test.db.in
new file mode 100644
index 0000000..45ee9ad
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns3/too-big.test.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 10
+too-big.test. IN SOA too-big.test. hostmaster.too-big.test. 1 3600 900 2419200 3600
+too-big.test. IN NS too-big.test.
+too-big.test. IN A 10.53.0.3
diff --git a/bin/tests/system/nsupdate/ns5/local.db.in b/bin/tests/system/nsupdate/ns5/local.db.in
new file mode 100644
index 0000000..12a5d8b
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns5/local.db.in
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+local.nil		IN SOA	ns5.local.nil. hostmaster.local.nil. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+local.nil.		NS	ns5.local.nil.
+ns5.local.nil.		A	10.53.0.5
+
+$ORIGIN local.nil.
+a			A	10.10.10.10
diff --git a/bin/tests/system/nsupdate/ns5/named.args b/bin/tests/system/nsupdate/ns5/named.args
new file mode 100644
index 0000000..fc5a5cd
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns5/named.args
@@ -0,0 +1 @@
+-D nsupdate-ns5 -m record -c named.conf -d 99 -X named.lock -g -U 4 -T maxcachesize=2097152 -T fixedlocal
diff --git a/bin/tests/system/nsupdate/ns5/named.conf.in b/bin/tests/system/nsupdate/ns5/named.conf.in
new file mode 100644
index 0000000..e3c4d1b
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns5/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.5; };
+	recursion no;
+	notify yes;
+	minimal-responses no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "local.nil" {
+	type primary;
+	file "local.db";
+	update-policy local;
+};
diff --git a/bin/tests/system/nsupdate/ns6/in-addr.db.in b/bin/tests/system/nsupdate/ns6/in-addr.db.in
new file mode 100644
index 0000000..9ac2b61
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns6/in-addr.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns5.local.nil. hostmaster.local.nil. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns5
+ns5			A	10.53.0.5
diff --git a/bin/tests/system/nsupdate/ns6/named.args b/bin/tests/system/nsupdate/ns6/named.args
new file mode 100644
index 0000000..48e2bd8
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns6/named.args
@@ -0,0 +1 @@
+-D nsupdate-ns6 -m record -c named.conf -d 99 -X named.lock -g -U 4 -T maxcachesize=2097152 -T fixedlocal
diff --git a/bin/tests/system/nsupdate/ns6/named.conf.in b/bin/tests/system/nsupdate/ns6/named.conf.in
new file mode 100644
index 0000000..c636cfc
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns6/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.6; };
+	recursion no;
+	notify yes;
+	minimal-responses no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "in-addr.arpa" {
+	type primary;
+	file "in-addr.db";
+	update-policy {	grant * tcp-self . PTR(1) ANY(2) A; };
+};
diff --git a/bin/tests/system/nsupdate/ns7/dns.keytab b/bin/tests/system/nsupdate/ns7/dns.keytab
new file mode 100644
index 0000000..08d5ef4
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns7/dns.keytab
diff --git a/bin/tests/system/nsupdate/ns7/example.com.db.in b/bin/tests/system/nsupdate/ns7/example.com.db.in
new file mode 100644
index 0000000..6e4b17a
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns7/example.com.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns7.example.com. hostmaster.example.com. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns7
+ns7			A	10.53.0.7
+single.any.self-srv	SRV	0 0 0 machine.example.com.
+many.any.self-srv	SRV	0 0 0 machine.example.com.
+many.any.self-srv	SRV	0 0 0 notmachine.example.com.
+single.srv.self-srv	SRV	0 0 0 machine.example.com.
+many.srv.self-srv	SRV	0 0 0 machine.example.com.
+many.srv.self-srv	SRV	0 0 0 notmachine.example.com.
diff --git a/bin/tests/system/nsupdate/ns7/in-addr.db.in b/bin/tests/system/nsupdate/ns7/in-addr.db.in
new file mode 100644
index 0000000..973c77f
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns7/in-addr.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns7.example.com. hostmaster.example.com. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns7
+ns7			A	10.53.0.7
+single.any.self-ptr	PTR	machine.example.com.
+many.any.self-ptr	PTR	machine.example.com.
+many.any.self-ptr	PTR	notmachine.example.com.
+single.ptr.self-ptr	PTR	machine.example.com.
+many.ptr.self-ptr	PTR	machine.example.com.
+many.ptr.self-ptr	PTR	notmachine.example.com.
diff --git a/bin/tests/system/nsupdate/ns7/machine.ccache b/bin/tests/system/nsupdate/ns7/machine.ccache
new file mode 100644
index 0000000..7dcd959
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns7/machine.ccache
diff --git a/bin/tests/system/nsupdate/ns7/named1.conf.in b/bin/tests/system/nsupdate/ns7/named1.conf.in
new file mode 100644
index 0000000..28d2aea
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns7/named1.conf.in
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.7; };
+	recursion no;
+	notify yes;
+	minimal-responses no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "in-addr.arpa" {
+	type primary;
+	file "in-addr.db";
+	update-policy {	grant EXAMPLE.COM krb5-subdomain-self-rhs . PTR; };
+};
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant EXAMPLE.COM krb5-self . ANY;
+		grant EXAMPLE.COM krb5-subdomain _tcp.example.com SRV;
+		grant EXAMPLE.COM krb5-subdomain-self-rhs self-srv.example.com SRV;
+		grant EXAMPLE.COM krb5-subdomain-self-rhs self-srv-no-type.example.com;
+	};
+};
diff --git a/bin/tests/system/nsupdate/ns7/named2.conf.in b/bin/tests/system/nsupdate/ns7/named2.conf.in
new file mode 100644
index 0000000..e5886e9
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns7/named2.conf.in
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.7; };
+	recursion no;
+	notify yes;
+	minimal-responses no;
+	dnssec-validation no;
+	tkey-gssapi-keytab "dns.keytab";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "in-addr.arpa" {
+	type primary;
+	file "in-addr.db";
+	update-policy {	grant EXAMPLE.COM krb5-subdomain-self-rhs . PTR; };
+};
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant EXAMPLE.COM krb5-self . ANY;
+		grant EXAMPLE.COM krb5-subdomain _tcp.example.com SRV;
+		grant EXAMPLE.COM krb5-subdomain-self-rhs self-srv.example.com SRV;
+		grant EXAMPLE.COM krb5-subdomain-self-rhs self-srv-no-type.example.com;
+	};
+};
diff --git a/bin/tests/system/nsupdate/ns8/dns-other-than-KRB5_KTNAME.keytab b/bin/tests/system/nsupdate/ns8/dns-other-than-KRB5_KTNAME.keytab
new file mode 100644
index 0000000..3340049
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns8/dns-other-than-KRB5_KTNAME.keytab
diff --git a/bin/tests/system/nsupdate/ns8/example.com.db.in b/bin/tests/system/nsupdate/ns8/example.com.db.in
new file mode 100644
index 0000000..f83a3eb
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns8/example.com.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns8.example.com. hostmaster.example.com. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns8
+ns8			A	10.53.0.8
diff --git a/bin/tests/system/nsupdate/ns8/in-addr.db.in b/bin/tests/system/nsupdate/ns8/in-addr.db.in
new file mode 100644
index 0000000..f83a3eb
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns8/in-addr.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns8.example.com. hostmaster.example.com. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns8
+ns8			A	10.53.0.8
diff --git a/bin/tests/system/nsupdate/ns8/machine.ccache b/bin/tests/system/nsupdate/ns8/machine.ccache
new file mode 100644
index 0000000..6e75aff
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns8/machine.ccache
diff --git a/bin/tests/system/nsupdate/ns8/named.conf.in b/bin/tests/system/nsupdate/ns8/named.conf.in
new file mode 100644
index 0000000..f69d3ad
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns8/named.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.8;
+	notify-source 10.53.0.8;
+	transfer-source 10.53.0.8;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.8; };
+	recursion no;
+	notify yes;
+	minimal-responses no;
+	dnssec-validation no;
+	tkey-gssapi-keytab "dns-other-than-KRB5_KTNAME.keytab";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.8 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "in-addr.arpa" {
+	type primary;
+	file "in-addr.db";
+	update-policy {	grant EXAMPLE.COM krb5-subdomain . PTR; };
+};
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant EXAMPLE.COM krb5-selfsub . ANY;
+		grant EXAMPLE.COM krb5-subdomain _tcp.example.com SRV;
+	};
+};
diff --git a/bin/tests/system/nsupdate/ns9/dns.keytab b/bin/tests/system/nsupdate/ns9/dns.keytab
new file mode 100644
index 0000000..470317f
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns9/dns.keytab
diff --git a/bin/tests/system/nsupdate/ns9/example.com.db.in b/bin/tests/system/nsupdate/ns9/example.com.db.in
new file mode 100644
index 0000000..cb3fae5
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns9/example.com.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns9.example.com. hostmaster.example.com. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns9
+ns9			A	10.53.0.9
diff --git a/bin/tests/system/nsupdate/ns9/in-addr.db.in b/bin/tests/system/nsupdate/ns9/in-addr.db.in
new file mode 100644
index 0000000..cb3fae5
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns9/in-addr.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns9.example.com. hostmaster.example.com. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns9
+ns9			A	10.53.0.9
diff --git a/bin/tests/system/nsupdate/ns9/machine.ccache b/bin/tests/system/nsupdate/ns9/machine.ccache
new file mode 100644
index 0000000..2b59cec
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns9/machine.ccache
diff --git a/bin/tests/system/nsupdate/ns9/named.conf.in b/bin/tests/system/nsupdate/ns9/named.conf.in
new file mode 100644
index 0000000..79a1cb9
--- /dev/null
+++ b/bin/tests/system/nsupdate/ns9/named.conf.in
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.9;
+	notify-source 10.53.0.9;
+	transfer-source 10.53.0.9;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.9; };
+	recursion no;
+	notify yes;
+	minimal-responses no;
+	dnssec-validation no;
+	@TKEY_CONFIGURATION@
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+key subkey {
+	secret "1234abcd8765";
+	algorithm hmac-sha256;
+};
+
+controls {
+	inet 10.53.0.9 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "in-addr.arpa" {
+	type primary;
+	file "in-addr.db";
+	update-policy {	grant EXAMPLE.COM ms-subdomain . PTR; };
+};
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+	update-policy {
+		grant EXAMPLE.COM ms-self . ANY;
+		grant EXAMPLE.COM ms-subdomain _tcp.example.com SRV;
+	};
+};
+
+zone "denyname.example" {
+	type primary;
+	file "denyname.example.db";
+	update-policy {
+		deny subkey name denyname.example;
+		grant subkey subdomain denyname.example;
+	};
+};
diff --git a/bin/tests/system/nsupdate/resolv.conf b/bin/tests/system/nsupdate/resolv.conf
new file mode 100644
index 0000000..e713bae
--- /dev/null
+++ b/bin/tests/system/nsupdate/resolv.conf
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+nameserver 10.53.0.1
+nameserver 10.53.0.3
diff --git a/bin/tests/system/nsupdate/setup.sh b/bin/tests/system/nsupdate/setup.sh
new file mode 100644
index 0000000..7f8c27f
--- /dev/null
+++ b/bin/tests/system/nsupdate/setup.sh
@@ -0,0 +1,116 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+#
+# jnl and database files MUST be removed before we start
+#
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named1.conf.in ns7/named.conf
+copy_setports ns8/named.conf.in ns8/named.conf
+
+# If "tkey-gssapi-credential" is set in the configuration and GSSAPI support is
+# not available, named will refuse to start.  As the test system framework does
+# not support starting named instances conditionally, ensure that
+# "tkey-gssapi-credential" is only present in named.conf if GSSAPI support is
+# available.
+copy_setports ns9/named.conf.in ns9/named.conf.in.tkey
+copy_setports ns10/named.conf.in ns10/named.conf.in.tkey
+if $FEATURETEST --gssapi; then
+	sed 's|@TKEY_CONFIGURATION@|tkey-gssapi-credential "DNS/ns9.example.com@EXAMPLE.COM";|' ns9/named.conf.in.tkey > ns9/named.conf
+	sed 's|@TKEY_CONFIGURATION@|tkey-gssapi-credential "DNS/ns10.example.com@EXAMPLE.COM";|' ns10/named.conf.in.tkey > ns10/named.conf
+else
+	sed 's|@TKEY_CONFIGURATION@||' ns9/named.conf.in.tkey > ns9/named.conf
+	sed 's|@TKEY_CONFIGURATION@||' ns10/named.conf.in.tkey > ns10/named.conf
+fi
+rm -f ns9/named.conf.in.tkey
+rm -f ns10/named.conf.in.tkey
+
+copy_setports verylarge.in verylarge
+
+cp -f ns1/example1.db ns1/example.db
+sed 's/example.nil/other.nil/g' ns1/example1.db > ns1/other.db
+sed 's/example.nil/unixtime.nil/g' ns1/example1.db > ns1/unixtime.db
+sed 's/example.nil/yyyymmddvv.nil/g' ns1/example1.db > ns1/yyyymmddvv.db
+sed 's/example.nil/keytests.nil/g' ns1/example1.db > ns1/keytests.db
+cp -f ns3/example.db.in ns3/example.db
+cp -f ns3/too-big.test.db.in ns3/too-big.test.db
+
+# update_test.pl has its own zone file because it
+# requires a specific NS record set.
+cat <<\EOF >ns1/update.db
+$ORIGIN .
+$TTL 300        ; 5 minutes
+update.nil              IN SOA  ns1.example.nil. hostmaster.example.nil. (
+                                1          ; serial
+                                2000       ; refresh (2000 seconds)
+                                2000       ; retry (2000 seconds)
+                                1814400    ; expire (3 weeks)
+                                3600       ; minimum (1 hour)
+                                )
+update.nil.             NS      ns1.update.nil.
+ns1.update.nil.         A       10.53.0.2
+ns2.update.nil.		AAAA	::1
+EOF
+
+$TSIGKEYGEN ddns-key.example.nil > ns1/ddns.key
+
+if $FEATURETEST --md5; then
+	$TSIGKEYGEN -a hmac-md5 md5-key > ns1/md5.key
+else
+	echo -n > ns1/md5.key
+fi
+$TSIGKEYGEN -a hmac-sha1 sha1-key > ns1/sha1.key
+$TSIGKEYGEN -a hmac-sha224 sha224-key > ns1/sha224.key
+$TSIGKEYGEN -a hmac-sha256 sha256-key > ns1/sha256.key
+$TSIGKEYGEN -a hmac-sha384 sha384-key > ns1/sha384.key
+$TSIGKEYGEN -a hmac-sha512 sha512-key > ns1/sha512.key
+
+if $FEATURETEST --md5; then
+	echo 'key "legacy-157" { algorithm "hmac-md5"; secret "mGcDSCx/fF121GOVJlITLg=="; };' > ns1/legacy157.key
+else
+	echo "/* MD5 NOT SUPPORTED */" > ns1/legacy157.key
+fi
+echo 'key "legacy-161" { algorithm "hmac-sha1"; secret "N80fGvcr8JifzRUJ62R4rQ=="; };' > ns1/legacy161.key
+echo 'key "legacy-162" { algorithm "hmac-sha224"; secret "nSIKzFAGS7/tvBs8JteI+Q=="; };' > ns1/legacy162.key
+echo 'key "legacy-163" { algorithm "hmac-sha256"; secret "CvaupxnDeES3HnlYhTq53w=="; };' > ns1/legacy163.key
+echo 'key "legacy-164" { algorithm "hmac-sha384"; secret "wDldBJwJrYfPoL1Pj4ucOQ=="; };' > ns1/legacy164.key
+echo 'key "legacy-165" { algorithm "hmac-sha512"; secret "OgZrTcEa8P76hVY+xyN7Wg=="; };' > ns1/legacy165.key
+
+(cd ns3; $SHELL -e sign.sh)
+
+cp -f ns1/many.test.db.in ns1/many.test.db
+
+cp ns1/sample.db.in ns1/sample.db
+cp ns2/sample.db.in ns2/sample.db
+
+cp -f ns1/maxjournal.db.in ns1/maxjournal.db
+
+cp -f ns5/local.db.in ns5/local.db
+cp -f ns6/in-addr.db.in ns6/in-addr.db
+cp -f ns7/in-addr.db.in ns7/in-addr.db
+cp -f ns7/example.com.db.in ns7/example.com.db
+cp -f ns8/in-addr.db.in ns8/in-addr.db
+cp -f ns8/example.com.db.in ns8/example.com.db
+cp -f ns9/in-addr.db.in ns9/in-addr.db
+cp -f ns9/example.com.db.in ns9/example.com.db
+cp -f ns9/example.com.db.in ns9/denyname.example.db
+cp -f ns10/in-addr.db.in ns10/in-addr.db
+cp -f ns10/example.com.db.in ns10/example.com.db
diff --git a/bin/tests/system/nsupdate/tests.sh b/bin/tests/system/nsupdate/tests.sh
new file mode 100755
index 0000000..44830d4
--- /dev/null
+++ b/bin/tests/system/nsupdate/tests.sh
@@ -0,0 +1,2262 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+#
+# Uncomment when creating credential cache files.
+#
+# KRB5_CONFIG="$(pwd)/krb/krb5.conf"
+#
+# Cd krb and run krb/setup.sh to create new keys.
+# Run nsupdate system test.
+# Kill the krb5kdc server started by krb/setup.sh.
+# Check the expiry date on the cached machine.ccache with klist is in 2038.
+# Comment out KRB5_CONFIG.
+# Re-run nsupdate system test to confirm everything still works.
+# git add and commit the resulting ns*/machine.ccache and ns*/dns.keytab files.
+# Clean up krb.
+#
+
+status=0
+n=0
+
+nextpartreset ns3/named.run
+
+# wait for zone transfer to complete
+tries=0
+while true; do
+    if [ $tries -eq 10 ]
+    then
+        exit 1
+    fi
+
+    if grep "example.nil/IN.*Transfer status" ns2/named.run > /dev/null
+    then
+        break
+    else
+        echo_i "zones are not fully loaded, waiting..."
+        tries=$((tries + 1))
+        sleep 1
+    fi
+done
+
+has_positive_response() {
+	zone=$1
+	type=$2
+	ns=$3
+	$DIG $DIGOPTS +tcp +norec $zone $type @$ns > dig.out.post.test$n || return 1
+	grep "status: NOERROR" dig.out.post.test$n > /dev/null || return 1
+	grep "ANSWER: 0," dig.out.post.test$n > /dev/null && return 1
+	return 0
+}
+
+ret=0
+echo_i "fetching first copy of zone before update"
+$DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd example.nil.\
+	@10.53.0.1 axfr > dig.out.ns1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "fetching second copy of zone before update"
+$DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd example.nil.\
+	@10.53.0.2 axfr > dig.out.ns2 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "comparing pre-update copies to known good data"
+digcomp knowngood.ns1.before dig.out.ns1 || ret=1
+digcomp knowngood.ns1.before dig.out.ns2 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "ensure an unrelated zone is mentioned in its NOTAUTH log"
+$NSUPDATE -k ns1/ddns.key > nsupdate.out 2>&1 << END && ret=1
+server 10.53.0.1 ${PORT}
+zone unconfigured.test
+update add unconfigured.test 600 IN A 10.53.0.1
+send
+END
+grep NOTAUTH nsupdate.out > /dev/null 2>&1 || ret=1
+grep ' unconfigured.test: not authoritative' ns1/named.run \
+     > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "ensure a subdomain is mentioned in its NOTAUTH log"
+$NSUPDATE -k ns1/ddns.key > nsupdate.out 2>&1 << END && ret=1
+server 10.53.0.1 ${PORT}
+zone sub.sub.example.nil
+update add sub.sub.sub.example.nil 600 IN A 10.53.0.1
+send
+END
+grep NOTAUTH nsupdate.out > /dev/null 2>&1 || ret=1
+grep ' sub.sub.example.nil: not authoritative' ns1/named.run \
+     > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "updating zone"
+# nsupdate will print a ">" prompt to stdout as it gets each input line.
+$NSUPDATE -k ns1/ddns.key <<END > /dev/null || ret=1
+server 10.53.0.1 ${PORT}
+update add updated.example.nil. 600 A 10.10.10.1
+add updated.example.nil. 600 TXT Foo
+delete t.example.nil.
+
+END
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+echo_i "sleeping 5 seconds for server to incorporate changes"
+sleep 5
+
+ret=0
+echo_i "fetching first copy of zone after update"
+$DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd example.nil.\
+	@10.53.0.1 axfr > dig.out.ns1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "fetching second copy of zone after update"
+$DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd example.nil.\
+	@10.53.0.2 axfr > dig.out.ns2 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "comparing post-update copies to known good data"
+digcomp knowngood.ns1.after dig.out.ns1 || ret=1
+digcomp knowngood.ns1.after dig.out.ns2 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "testing local update policy"
+pre=$($DIG $DIGOPTS +short new.other.nil. @10.53.0.1 a) || ret=1
+[ -z "$pre" ] || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "updating zone"
+# nsupdate will print a ">" prompt to stdout as it gets each input line.
+$NSUPDATE -4 -l -p ${PORT} -k ns1/session.key > /dev/null <<END || ret=1
+zone other.nil.
+update add new.other.nil. 600 IN A 10.10.10.1
+send
+END
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+echo_i "sleeping 5 seconds for server to incorporate changes"
+sleep 5
+
+ret=0
+echo_i "checking result of update"
+post=$($DIG $DIGOPTS +short new.other.nil. @10.53.0.1 a) || ret=1
+[ "$post" = "10.10.10.1" ] || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "comparing post-update copy to known good data"
+digcomp knowngood.ns1.after dig.out.ns1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "testing zone consistency checks"
+# inserting an NS record without a corresponding A or AAAA record should fail
+$NSUPDATE -4 -l -p ${PORT} -k ns1/session.key > nsupdate.out 2>&1 << END && ret=1
+update add other.nil. 600 in ns ns3.other.nil.
+send
+END
+grep REFUSED nsupdate.out > /dev/null 2>&1 || ret=1
+# ...but should work if an A record is inserted first:
+$NSUPDATE -4 -l -p ${PORT} -k ns1/session.key > nsupdate.out 2>&1 << END || ret=1
+update add ns4.other.nil 600 in a 10.53.0.1
+send
+update add other.nil. 600 in ns ns4.other.nil.
+send
+END
+grep REFUSED nsupdate.out > /dev/null 2>&1 && ret=1
+# ...or if an AAAA record does:
+$NSUPDATE -4 -l -p ${PORT} -k ns1/session.key > nsupdate.out 2>&1 << END || ret=1
+update add ns5.other.nil 600 in aaaa 2001:db8::1
+send
+update add other.nil. 600 in ns ns5.other.nil.
+send
+END
+grep REFUSED nsupdate.out > /dev/null 2>&1 && ret=1
+# ...or if the NS and A/AAAA are inserted together:
+$NSUPDATE -4 -l -p ${PORT} -k ns1/session.key > nsupdate.out 2>&1 << END || ret=1
+update add other.nil. 600 in ns ns6.other.nil.
+update add ns6.other.nil 600 in a 10.53.0.1
+send
+END
+grep REFUSED nsupdate.out > /dev/null 2>&1 && ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+echo_i "sleeping 5 seconds for server to incorporate changes"
+sleep 5
+
+ret=0
+echo_i "checking result of update"
+$DIG $DIGOPTS +short @10.53.0.1 ns other.nil > dig.out.ns1 || ret=1
+grep ns3.other.nil dig.out.ns1 > /dev/null 2>&1 && ret=1
+grep ns4.other.nil dig.out.ns1 > /dev/null 2>&1 || ret=1
+grep ns5.other.nil dig.out.ns1 > /dev/null 2>&1 || ret=1
+grep ns6.other.nil dig.out.ns1 > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "ensure 'check-mx ignore' allows adding MX records containing an address without a warning"
+$NSUPDATE -k ns1/ddns.key > nsupdate.out 2>&1 << END || ret=1
+server 10.53.0.1 ${PORT}
+update add mx03.example.nil 600 IN MX 10 10.53.0.1
+send
+END
+grep REFUSED nsupdate.out > /dev/null 2>&1 && ret=1
+grep "mx03.example.nil/MX:.*MX is an address" ns1/named.run > /dev/null 2>&1 && ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "ensure 'check-mx warn' allows adding MX records containing an address with a warning"
+$NSUPDATE -4 -l -p ${PORT} -k ns1/session.key > nsupdate.out 2>&1 << END || ret=1
+update add mx03.other.nil 600 IN MX 10 10.53.0.1
+send
+END
+grep REFUSED nsupdate.out > /dev/null 2>&1 && ret=1
+grep "mx03.other.nil/MX:.*MX is an address" ns1/named.run > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "ensure 'check-mx fail' prevents adding MX records containing an address with a warning"
+$NSUPDATE > nsupdate.out 2>&1 << END && ret=1
+server 10.53.0.1 ${PORT}
+update add mx03.update.nil 600 IN MX 10 10.53.0.1
+send
+END
+grep REFUSED nsupdate.out > /dev/null 2>&1 || ret=1
+grep "mx03.update.nil/MX:.*MX is an address" ns1/named.run > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "check SIG(0) key is accepted"
+key=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -T KEY -n ENTITY xxx)
+echo "" | $NSUPDATE -k ${key}.private > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check TYPE=0 update is rejected by nsupdate ($n)"
+$NSUPDATE <<END > nsupdate.out 2>&1 && ret=1
+    server 10.53.0.1 ${PORT}
+    ttl 300
+    update add example.nil. in type0 ""
+    send
+END
+grep "unknown class/type" nsupdate.out > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check TYPE=0 prerequisite is handled ($n)"
+$NSUPDATE -k ns1/ddns.key <<END > nsupdate.out 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    prereq nxrrset example.nil. type0
+    send
+END
+$DIG $DIGOPTS +tcp version.bind txt ch @10.53.0.1 > dig.out.ns1.$n
+grep "status: NOERROR" dig.out.ns1.$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that TYPE=0 update is handled ($n)"
+echo "a0e4280000010000000100000000060001c00c000000fe000000000000" |
+$PERL ../packet.pl -a 10.53.0.1 -p ${PORT} -t tcp > /dev/null || ret=1
+$DIG $DIGOPTS +tcp version.bind txt ch @10.53.0.1 > dig.out.ns1.$n
+grep "status: NOERROR" dig.out.ns1.$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that TYPE=0 additional data is handled ($n)"
+echo "a0e4280000010000000000010000060001c00c000000fe000000000000" |
+$PERL ../packet.pl -a 10.53.0.1 -p ${PORT} -t tcp > /dev/null || ret=1
+$DIG $DIGOPTS +tcp version.bind txt ch @10.53.0.1 > dig.out.ns1.$n
+grep "status: NOERROR" dig.out.ns1.$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that update to undefined class is handled ($n)"
+echo "a0e4280000010001000000000000060101c00c000000fe000000000000" |
+$PERL ../packet.pl -a 10.53.0.1 -p ${PORT} -t tcp > /dev/null || ret=1
+$DIG $DIGOPTS +tcp version.bind txt ch @10.53.0.1 > dig.out.ns1.$n
+grep "status: NOERROR" dig.out.ns1.$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that address family mismatch is handled ($n)"
+$NSUPDATE <<END > /dev/null 2>&1 && ret=1
+server ::1
+local 127.0.0.1
+update add 600 txt.example.nil in txt "test"
+send
+END
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+
+n=$((n + 1))
+ret=0
+echo_i "check that unixtime serial number is correctly generated ($n)"
+$DIG $DIGOPTS +short unixtime.nil. soa @10.53.0.1 > dig.out.old.test$n || ret=1
+oldserial=$(awk '{print $3}' dig.out.old.test$n) || ret=1
+start=$($PERL -e 'print time()."\n";')
+$NSUPDATE <<END > /dev/null 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    ttl 600
+    update add new.unixtime.nil in a 1.2.3.4
+    send
+END
+now=$($PERL -e 'print time()."\n";')
+sleep 1
+$DIG $DIGOPTS +short unixtime.nil. soa @10.53.0.1 > dig.out.new.test$n || ret=1
+serial=$(awk '{print $3}' dig.out.new.test$n) || ret=1
+[ "$oldserial" = "$serial" ] && { echo_i "oldserial == serial"; ret=1; }
+if [ "$serial" -lt "$start" ]; then
+    echo_i "out-of-range serial=$serial < start=$start"; ret=1;
+elif [ "$serial" -gt "$now" ]; then
+    echo_i "out-of-range serial=$serial > now=$now"; ret=1;
+fi
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+if $PERL -e 'use Net::DNS;' 2>/dev/null
+then
+    n=$((n + 1))
+    ret=0
+    echo_i "running update.pl test ($n)"
+    $PERL update_test.pl -s 10.53.0.1 -p ${PORT} update.nil. > perl.update_test.out || ret=1
+    [ $ret -eq 1 ] && { echo_i "failed"; status=1; }
+
+    if $PERL -e 'use Net::DNS; die "Net::DNS too old ($Net::DNS::VERSION < 1.01)" if ($Net::DNS::VERSION < 1.01)' > /dev/null
+    then
+	n=$((n + 1))
+	ret=0
+	echo_i "check for too many NSEC3 iterations log ($n)"
+	grep "updating zone 'update.nil/IN': too many NSEC3 iterations (151)" ns1/named.run > /dev/null || ret=1
+	[ $ret -eq 1 ] && { echo_i "failed"; status=1; }
+    fi
+else
+    echo_i "The second part of this test requires the Net::DNS library." >&2
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "fetching first copy of test zone ($n)"
+$DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd example.nil.\
+	@10.53.0.1 axfr > dig.out.ns1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "fetching second copy of test zone ($n)"
+$DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd example.nil.\
+	@10.53.0.2 axfr > dig.out.ns2 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "comparing zones ($n)"
+digcomp dig.out.ns1 dig.out.ns2 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+echo_i "SIGKILL and restart server ns1"
+cd ns1
+kill -KILL $(cat named.pid)
+rm named.pid
+cd ..
+sleep 10
+if
+	start_server --noclean --restart --port ${PORT} ns1
+then
+	echo_i "restarted server ns1"
+else
+	echo_i "could not restart server ns1"
+	exit 1
+fi
+sleep 10
+
+n=$((n + 1))
+ret=0
+echo_i "fetching ns1 after hard restart ($n)"
+$DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd example.nil.\
+	@10.53.0.1 axfr > dig.out.ns1.after || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "comparing zones ($n)"
+digcomp dig.out.ns1 dig.out.ns1.after || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+echo_i "begin RT #482 regression test"
+
+n=$((n + 1))
+ret=0
+echo_i "update primary ($n)"
+$NSUPDATE -k ns1/ddns.key <<END > /dev/null || ret=1
+server 10.53.0.1 ${PORT}
+update add updated2.example.nil. 600 A 10.10.10.2
+update add updated2.example.nil. 600 TXT Bar
+update delete c.example.nil.
+send
+END
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+sleep 5
+
+echo_i "SIGHUP secondary"
+kill -HUP $(cat ns2/named.pid)
+
+sleep 5
+
+n=$((n + 1))
+ret=0
+echo_i "update primary again ($n)"
+$NSUPDATE -k ns1/ddns.key <<END > /dev/null || ret=1
+server 10.53.0.1 ${PORT}
+update add updated3.example.nil. 600 A 10.10.10.3
+update add updated3.example.nil. 600 TXT Zap
+del d.example.nil.
+send
+END
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+sleep 5
+
+echo_i "SIGHUP secondary again"
+kill -HUP $(cat ns2/named.pid)
+
+sleep 5
+
+n=$((n + 1))
+echo_i "check to 'out of sync' message ($n)"
+if grep "out of sync" ns2/named.run
+then
+	echo_i "failed (found 'out of sync')"
+	status=1
+fi
+
+echo_i "end RT #482 regression test"
+
+n=$((n + 1))
+ret=0
+echo_i "remove nonexistent PTR record ($n)"
+$NSUPDATE -k ns1/ddns.key -d << EOF > nsupdate.out.test$n 2>&1 || ret=1
+server 10.53.0.1 ${PORT}
+zone example.nil.
+update delete nonexistent.example.nil. 0 IN PTR foo.
+send
+EOF
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "remove nonexistent SRV record ($n)"
+$NSUPDATE -k ns1/ddns.key -d << EOF > nsupdate.out.test$n 2>&1 || ret=1
+server 10.53.0.1 ${PORT}
+zone example.nil.
+update delete nonexistent.example.nil. 0 IN SRV 0 0 0 foo.
+send
+EOF
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "start NSEC3PARAM changes via UPDATE on a unsigned zone test ($n)"
+$NSUPDATE << EOF
+server 10.53.0.3 ${PORT}
+update add example 3600 nsec3param 1 0 0 -
+send
+EOF
+
+# the zone is not signed.  The nsec3param records should be removed.
+# this also proves that the server is still running.
+$DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocmd +norec example.\
+	@10.53.0.3 nsec3param > dig.out.ns3.$n || ret=1
+grep "ANSWER: 0," dig.out.ns3.$n > /dev/null || ret=1
+grep "flags:[^;]* aa[ ;]" dig.out.ns3.$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "change the NSEC3PARAM ttl via update ($n)"
+$NSUPDATE << EOF
+server 10.53.0.3 ${PORT}
+update add nsec3param.test 3600 NSEC3PARAM 1 0 1 -
+send
+EOF
+
+$DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocmd +norec nsec3param.test.\
+        @10.53.0.3 nsec3param > dig.out.ns3.$n || ret=1
+grep "ANSWER: 1," dig.out.ns3.$n > /dev/null || ret=1
+grep "3600.*NSEC3PARAM" dig.out.ns3.$n > /dev/null || ret=1
+grep "flags:[^;]* aa[ ;]" dig.out.ns3.$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "add a new NSEC3PARAM via update ($n)"
+$NSUPDATE << EOF
+server 10.53.0.3 ${PORT}
+update add nsec3param.test 3600 NSEC3PARAM 1 0 4 -
+send
+EOF
+
+_ret=1
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	$DIG $DIGOPTS +tcp +norec +time=1 +tries=1 @10.53.0.3 nsec3param.test. NSEC3PARAM > dig.out.ns3.$n || _ret=1
+	if grep "ANSWER: 2," dig.out.ns3.$n > /dev/null; then
+		_ret=0
+		break
+	fi
+	sleep 1
+done
+
+if [ $_ret -ne 0 ]; then ret=1; fi
+grep "NSEC3PARAM 1 0 4 -" dig.out.ns3.$n > /dev/null || ret=1
+grep "flags:[^;]* aa[ ;]" dig.out.ns3.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((ret + status)); fi
+
+n=$((n + 1))
+ret=0
+echo_i "add, delete and change the ttl of the NSEC3PARAM rrset via update ($n)"
+$NSUPDATE << EOF
+server 10.53.0.3 ${PORT}
+update delete nsec3param.test NSEC3PARAM
+update add nsec3param.test 7200 NSEC3PARAM 1 0 5 -
+send
+EOF
+
+_ret=1
+for i in 0 1 2 3 4 5 6 7 8 9; do
+	$DIG $DIGOPTS +tcp +norec +time=1 +tries=1 @10.53.0.3 nsec3param.test. NSEC3PARAM > dig.out.ns3.$n || _ret=1
+	if grep "ANSWER: 1," dig.out.ns3.$n > /dev/null; then
+		_ret=0
+		break
+	fi
+	sleep 1
+done
+
+if [ $_ret -ne 0 ]; then ret=1; fi
+grep "7200.*NSEC3PARAM 1 0 5 -" dig.out.ns3.$n > /dev/null || ret=1
+grep "flags:[^;]* aa[ ;]" dig.out.ns3.$n > /dev/null || ret=1
+$JOURNALPRINT ns3/nsec3param.test.db.signed.jnl > jp.out.ns3.$n
+# intermediate TTL changes.
+grep "add nsec3param.test.	7200	IN	NSEC3PARAM 1 0 4 -" jp.out.ns3.$n > /dev/null || ret=1
+grep "add nsec3param.test.	7200	IN	NSEC3PARAM 1 0 1 -" jp.out.ns3.$n > /dev/null || ret=1
+# delayed adds and deletes.
+grep "add nsec3param.test.	0	IN	TYPE65534 .# 6 000180000500" jp.out.ns3.$n > /dev/null || ret=1
+grep "add nsec3param.test.	0	IN	TYPE65534 .# 6 000140000100" jp.out.ns3.$n > /dev/null || ret=1
+grep "add nsec3param.test.	0	IN	TYPE65534 .# 6 000140000400" jp.out.ns3.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((ret + status)); fi
+
+
+ret=0
+echo_i "testing that rndc stop updates the file"
+$NSUPDATE -k ns1/ddns.key <<END > /dev/null || ret=1
+server 10.53.0.1 ${PORT}
+update add updated4.example.nil. 600 A 10.10.10.3
+send
+END
+sleep 3
+stop_server --use-rndc --port ${CONTROLPORT} ns1
+sleep 3
+# Removing the journal file and restarting the server means
+# that the data served by the new server process are exactly
+# those dumped to the file by "rndc stop".
+rm -f ns1/*jnl
+start_server --noclean --restart --port ${PORT} ns1
+for try in 0 1 2 3 4 5 6 7 8 9; do
+    iret=0
+    $DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd \
+	updated4.example.nil. @10.53.0.1 a > dig.out.ns1 || iret=1
+    digcomp knowngood.ns1.afterstop dig.out.ns1 || iret=1
+    [ "$iret" -eq 0 ] && break
+    sleep 1
+done
+[ "$iret" -ne 0 ] && ret=1
+[ "$ret" -eq 0 ] || { echo_i "failed"; status=1; }
+
+ret=0
+echo_i "check that 'nsupdate -l' with a missing keyfile reports the missing file"
+$NSUPDATE -4 -p ${PORT} -l -k ns1/nonexistent.key 2> nsupdate.out < /dev/null && ret=1
+grep ns1/nonexistent.key nsupdate.out > /dev/null || ret=1
+if test $ret -ne 0
+then
+echo_i "failed"; status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check that 'update-policy local' works from localhost address ($n)"
+$NSUPDATE -k ns5/session.key > nsupdate.out.$n 2>&1 << END || ret=1
+server 10.53.0.5 ${PORT}
+local 127.0.0.1
+update add fromlocal.local.nil. 600 A 1.2.3.4
+send
+END
+grep REFUSED nsupdate.out.$n > /dev/null 2>&1 && ret=1
+$DIG $DIGOPTS @10.53.0.5 \
+        +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd \
+        fromlocal.local.nil. > dig.out.ns5.$n || ret=1
+grep fromlocal dig.out.ns5.$n > /dev/null 2>&1 || ret=1
+if test $ret -ne 0
+then
+echo_i "failed"; status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check that 'update-policy local' fails from non-localhost address ($n)"
+grep 'match on session key not from localhost' ns5/named.run > /dev/null && ret=1
+$NSUPDATE -k ns5/session.key > nsupdate.out.$n 2>&1 << END && ret=1
+server 10.53.0.5 ${PORT}
+local 10.53.0.1
+update add nonlocal.local.nil. 600 A 4.3.2.1
+send
+END
+grep REFUSED nsupdate.out.$n > /dev/null 2>&1 || ret=1
+grep 'match on session key not from localhost' ns5/named.run > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.5 \
+        +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd \
+        nonlocal.local.nil. > dig.out.ns5.$n || ret=1
+grep nonlocal dig.out.ns5.$n > /dev/null 2>&1 && ret=1
+if test $ret -ne 0
+then
+echo_i "failed"; status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check that 'update-policy tcp-self' refuses update of records via UDP ($n)"
+$NSUPDATE > nsupdate.out.$n 2>&1 << END && ret=1
+server 10.53.0.6 ${PORT}
+local 127.0.0.1
+update add 1.0.0.127.in-addr.arpa. 600 PTR localhost.
+send
+END
+grep REFUSED nsupdate.out.$n > /dev/null 2>&1 || ret=1
+$DIG $DIGOPTS @10.53.0.6 \
+        +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd \
+        -x 127.0.0.1 > dig.out.ns6.$n
+grep localhost. dig.out.ns6.$n > /dev/null 2>&1 && ret=1
+if test $ret -ne 0
+then
+echo_i "failed"; status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check that 'update-policy tcp-self' permits update of records for the client's own address via TCP ($n)"
+$NSUPDATE -v > nsupdate.out.$n 2>&1 << END || ret=1
+server 10.53.0.6 ${PORT}
+local 127.0.0.1
+update add 1.0.0.127.in-addr.arpa. 600 PTR localhost.
+send
+END
+grep REFUSED nsupdate.out.$n > /dev/null 2>&1 && ret=1
+$DIG $DIGOPTS @10.53.0.6 \
+        +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd \
+        -x 127.0.0.1 > dig.out.ns6.$n || ret=1
+grep localhost. dig.out.ns6.$n > /dev/null 2>&1 || ret=1
+if test $ret -ne 0
+then
+echo_i "failed"; status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check that 'update-policy tcp-self' refuses update of records for a different address from the client's own address via TCP ($n)"
+$NSUPDATE -v > nsupdate.out.$n 2>&1 << END && ret=1
+server 10.53.0.6 ${PORT}
+local 127.0.0.1
+update add 1.0.168.192.in-addr.arpa. 600 PTR localhost.
+send
+END
+grep REFUSED nsupdate.out.$n > /dev/null 2>&1 || ret=1
+$DIG $DIGOPTS @10.53.0.6 \
+        +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd \
+        -x 192.168.0.1 > dig.out.ns6.$n
+grep localhost. dig.out.ns6.$n > /dev/null 2>&1 && ret=1
+if test $ret -ne 0
+then
+echo_i "failed"; status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check that 'update-policy subdomain' is properly enforced ($n)"
+# "restricted.example.nil" matches "grant ... subdomain restricted.example.nil"
+# and thus this UPDATE should succeed.
+$NSUPDATE -d <<END > nsupdate.out1-$n 2>&1 || ret=1
+server 10.53.0.1 ${PORT}
+key restricted.example.nil 1234abcd8765
+update add restricted.example.nil 0 IN TXT everywhere.
+send
+END
+$DIG $DIGOPTS +tcp @10.53.0.1 restricted.example.nil TXT > dig.out.1.test$n || ret=1
+grep "TXT.*everywhere" dig.out.1.test$n > /dev/null || ret=1
+# "example.nil" does not match "grant ... subdomain restricted.example.nil" and
+# thus this UPDATE should fail.
+$NSUPDATE -d <<END > nsupdate.out2-$n 2>&1 && ret=1
+server 10.53.0.1 ${PORT}
+key restricted.example.nil 1234abcd8765
+update add example.nil 0 IN TXT everywhere.
+send
+END
+$DIG $DIGOPTS +tcp @10.53.0.1 example.nil TXT > dig.out.2.test$n || ret=1
+grep "TXT.*everywhere" dig.out.2.test$n > /dev/null && ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that 'update-policy zonesub' is properly enforced ($n)"
+# grant zonesub-key.example.nil zonesub TXT;
+# the A record update should be rejected as it is not in the type list
+$NSUPDATE -d <<END > nsupdate.out1-$n 2>&1 && ret=1
+server 10.53.0.1 ${PORT}
+key zonesub-key.example.nil 1234subk8765
+update add zonesub.example.nil 0 IN A 1.2.3.4
+send
+END
+$DIG $DIGOPTS +tcp @10.53.0.1 zonesub.example.nil A > dig.out.1.test$n || ret=1
+grep "status: REFUSED" nsupdate.out1-$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.1.test$n > /dev/null || ret=1
+# the TXT record update should be accepted as it is in the type list
+$NSUPDATE -d <<END > nsupdate.out2-$n 2>&1 || ret=1
+server 10.53.0.1 ${PORT}
+key zonesub-key.example.nil 1234subk8765
+update add zonesub.example.nil 0 IN TXT everywhere.
+send
+END
+$DIG $DIGOPTS +tcp @10.53.0.1 zonesub.example.nil TXT > dig.out.2.test$n || ret=1
+grep "status: REFUSED" nsupdate.out2-$n > /dev/null && ret=1
+grep "ANSWER: 1," dig.out.2.test$n > /dev/null || ret=1
+grep "TXT.*everywhere" dig.out.2.test$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check 'grant' in deny name + grant subdomain ($n)"
+$NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || ret=1
+key hmac-sha256:subkey 1234abcd8765
+server 10.53.0.9 ${PORT}
+zone denyname.example
+update add foo.denyname.example 3600 IN TXT added
+send
+EOF
+$DIG $DIGOPTS +tcp @10.53.0.9 foo.denyname.example TXT > dig.out.ns9.test$n
+grep "added" dig.out.ns9.test$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check 'deny' in deny name + grant subdomain ($n)"
+$NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+key hmac-sha256:subkey 1234abcd8765
+server 10.53.0.9 ${PORT}
+zone denyname.example
+update add denyname.example 3600 IN TXT added
+send
+EOF
+$DIG $DIGOPTS +tcp @10.53.0.9 denyname.example TXT > dig.out.ns9.test$n
+grep "added" dig.out.ns9.test$n > /dev/null && ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that changes to the DNSKEY RRset TTL do not have side effects ($n)"
+$DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd dnskey.test. \
+        @10.53.0.3 dnskey | \
+	awk -v port="${PORT}" 'BEGIN { print "server 10.53.0.3", port; }
+	$2 == 10 && $3 == "IN" && $4 == "DNSKEY" { $2 = 600; print "update add", $0 }
+	END { print "send" }' > update.in.$n
+$NSUPDATE update.in.$n
+
+$DIG $DIGOPTS +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd dnskey.test. \
+	@10.53.0.3 any > dig.out.ns3.$n
+
+grep "600.*DNSKEY" dig.out.ns3.$n > /dev/null || ret=1
+grep TYPE65534 dig.out.ns3.$n > /dev/null && ret=1
+if test $ret -ne 0
+then
+echo_i "failed"; status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check notify with TSIG worked ($n)"
+# if the alternate view received a notify--meaning, the notify was
+# validly signed by "altkey"--then the zonefile update.alt.bk will
+# will have been created.
+[ -f ns2/update.alt.bk ] || ret=1
+if [ $ret -ne 0 ]; then
+    echo_i "failed"
+    status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check type list options ($n)"
+$NSUPDATE -T > typelist.out.T.${n} || { ret=1; echo_i "nsupdate -T failed"; }
+$NSUPDATE -P > typelist.out.P.${n} || { ret=1; echo_i "nsupdate -P failed"; }
+$NSUPDATE -TP > typelist.out.TP.${n} || { ret=1; echo_i "nsupdate -TP failed"; }
+grep ANY typelist.out.T.${n} > /dev/null && { ret=1; echo_i "failed: ANY found (-T)"; }
+grep ANY typelist.out.P.${n} > /dev/null && { ret=1; echo_i "failed: ANY found (-P)"; }
+grep ANY typelist.out.TP.${n} > /dev/null && { ret=1; echo_i "failed: ANY found (-TP)"; }
+grep KEYDATA typelist.out.T.${n} > /dev/null && { ret=1; echo_i "failed: KEYDATA found (-T)"; }
+grep KEYDATA typelist.out.P.${n} > /dev/null && { ret=1; echo_i "failed: KEYDATA found (-P)"; }
+grep KEYDATA typelist.out.TP.${n} > /dev/null && { ret=1; echo_i "failed: KEYDATA found (-TP)"; }
+grep AAAA typelist.out.T.${n} > /dev/null || { ret=1; echo_i "failed: AAAA not found (-T)"; }
+grep AAAA typelist.out.P.${n} > /dev/null && { ret=1; echo_i "failed: AAAA found (-P)"; }
+grep AAAA typelist.out.TP.${n} > /dev/null || { ret=1; echo_i "failed: AAAA not found (-TP)"; }
+if [ $ret -ne 0 ]; then
+    echo_i "failed"
+    status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check command list ($n)"
+(
+while read cmd
+do
+    { echo "$cmd" | $NSUPDATE  > /dev/null 2>&1; rc=$?; } || true
+    if test $rc -gt 1 ; then
+	echo_i "failed ($cmd)"
+	ret=1
+    fi
+    { echo "$cmd " | $NSUPDATE  > /dev/null 2>&1; rc=$?; } || true
+    if test $rc -gt 1 ; then
+	echo_i "failed ($cmd)"
+	ret=1
+    fi
+done
+exit $ret
+) < commandlist || ret=1
+if [ $ret -ne 0 ]; then
+    status=1
+fi
+
+n=$((n + 1))
+ret=0
+
+n=$((n + 1))
+ret=0
+echo_i "check TSIG key algorithms using legacy K file pairs (nsupdate -k) ($n)"
+if $FEATURETEST --md5
+then
+	ALGS="157 161 162 163 164 165"
+else
+	ALGS="161 162 163 164 165"
+	echo_i "skipping disabled md5 (157) algorithm"
+fi
+for alg in $ALGS; do
+    $NSUPDATE -k ns1/legacy/Klegacy-${alg}.+${alg}+*.key <<END > nsupdate.alg-$alg.out 2>&1 || ret=1
+server 10.53.0.1 ${PORT}
+update add ${alg}.keytests.nil. 600 A 10.10.10.3
+send
+END
+done
+sleep 2
+for alg in $ALGS; do
+    $DIG $DIGOPTS +short @10.53.0.1 ${alg}.keytests.nil | grep 10.10.10.3 > /dev/null 2>&1 || ret=1
+    grep "Use of K\* file pairs for HMAC is deprecated" nsupdate.alg-$alg.out > /dev/null || ret=1
+done
+if [ $ret -ne 0 ]; then
+    echo_i "failed"
+    status=1
+fi
+
+n=$((n + 1))
+ret=0
+
+echo_i "check TSIG key algorithms (nsupdate -k) ($n)"
+if $FEATURETEST --md5
+then
+	ALGS="md5 sha1 sha224 sha256 sha384 sha512"
+else
+	ALGS="sha1 sha224 sha256 sha384 sha512"
+	echo_i "skipping disabled md5 algorithm"
+fi
+for alg in $ALGS; do
+    $NSUPDATE -k ns1/${alg}.key <<END > /dev/null || ret=1
+server 10.53.0.1 ${PORT}
+update add ${alg}.keytests.nil. 600 A 10.10.10.3
+send
+END
+done
+sleep 2
+for alg in $ALGS; do
+    $DIG $DIGOPTS +short @10.53.0.1 ${alg}.keytests.nil | grep 10.10.10.3 > /dev/null 2>&1 || ret=1
+done
+if [ $ret -ne 0 ]; then
+    echo_i "failed"
+    status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check TSIG key algorithms (nsupdate -y) ($n)"
+for alg in md5 sha1 sha224 sha256 sha384 sha512; do
+    secret=$(sed -n 's/.*secret "\(.*\)";.*/\1/p' ns1/${alg}.key)
+    $NSUPDATE -y "hmac-${alg}:${alg}-key:$secret" <<END > /dev/null || ret=1
+server 10.53.0.1 ${PORT}
+update add ${alg}.keytests.nil. 600 A 10.10.10.50
+send
+END
+done
+sleep 2
+for alg in md5 sha1 sha224 sha256 sha384 sha512; do
+    $DIG $DIGOPTS +short @10.53.0.1 ${alg}.keytests.nil | grep 10.10.10.50 > /dev/null 2>&1 || ret=1
+done
+if [ $ret -ne 0 ]; then
+    echo_i "failed"
+    status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check that ttl is capped by max-ttl ($n)"
+$NSUPDATE <<END > /dev/null || ret=1
+server 10.53.0.1 ${PORT}
+update add cap.max-ttl.nil. 600 A 10.10.10.3
+update add nocap.max-ttl.nil. 150 A 10.10.10.3
+send
+END
+sleep 2
+$DIG $DIGOPTS @10.53.0.1  cap.max-ttl.nil | grep "^cap.max-ttl.nil.	300" > /dev/null 2>&1 || ret=1
+$DIG $DIGOPTS @10.53.0.1  nocap.max-ttl.nil | grep "^nocap.max-ttl.nil.	150" > /dev/null 2>&1 || ret=1
+if [ $ret -ne 0 ]; then
+    echo_i "failed"
+    status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "add a record which is truncated when logged. ($n)"
+$NSUPDATE verylarge || ret=1
+$DIG $DIGOPTS +tcp @10.53.0.1 txt txt.update.nil > dig.out.ns1.test$n
+grep "ANSWER: 1," dig.out.ns1.test$n > /dev/null || ret=1
+grep "adding an RR at 'txt.update.nil' TXT .* \[TRUNCATED\]"  ns1/named.run > /dev/null || ret=1
+if [ $ret -ne 0 ]; then
+    echo_i "failed"
+    status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check that yyyymmddvv serial number is correctly generated ($n)"
+oldserial=$($DIG $DIGOPTS +short yyyymmddvv.nil. soa @10.53.0.1 | awk '{print $3}') || ret=1
+$NSUPDATE <<END > /dev/null 2>&1 || ret=1
+    server 10.53.0.1 ${PORT}
+    ttl 600
+    update add new.yyyymmddvv.nil in a 1.2.3.4
+    send
+END
+now=$($PERL -e '@lt=localtime(); printf "%.4d%0.2d%0.2d00\n",$lt[5]+1900,$lt[4]+1,$lt[3];')
+sleep 1
+serial=$($DIG $DIGOPTS +short yyyymmddvv.nil. soa @10.53.0.1 | awk '{print $3}') || ret=1
+[ "$oldserial" -ne "$serial" ] || ret=1
+[ "$serial" -eq "$now" ] || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+#
+#  Refactor to use perl to launch the parallel updates.
+#
+if false
+then
+n=$((n + 1))
+echo_i "send many simultaneous updates via a update forwarder ($n)"
+ret=0
+for i in 0 1 2 3 4 5 6 7
+do
+(
+    for j in 0 1 2 3 4 5 6 7
+    do
+    (
+	$NSUPDATE << EOF
+server 10.53.0.3 ${PORT}
+zone many.test
+update add $i-$j.many.test 0 IN A 1.2.3.4
+send
+EOF
+    ) &
+    done
+    wait
+) &
+done
+wait
+dig axfr many.test @10.53.0.1 > dig.out.test$n
+lines=$(awk '$4 == "A" { l++ } END { print l }' dig.out.test$n)
+test ${lines:-0} -eq 64 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+fi
+
+n=$((n + 1))
+echo_i "check max-journal-size limits ($n)"
+ret=0
+rm -f nsupdate.out1-$n
+# add one record
+$NSUPDATE << EOF >> nsupdate.out1-$n 2>&1
+server 10.53.0.1 ${PORT}
+zone maxjournal.test
+update add z.maxjournal.test 300 IN A 10.20.30.40
+send
+EOF
+for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+    # repeatedly add and remove the same set of records to fill up
+    # the journal file without changing the zone content
+    $NSUPDATE << EOF >> nsupdate.out1-$n 2>&1
+server 10.53.0.1 ${PORT}
+zone maxjournal.test
+update add a.maxjournal.test 300 IN A 1.2.3.4
+update add b.maxjournal.test 300 IN A 1.2.3.4
+update add c.maxjournal.test 300 IN A 1.2.3.4
+update add d.maxjournal.test 300 IN A 1.2.3.4
+send
+update del a.maxjournal.test
+update del b.maxjournal.test
+update del c.maxjournal.test
+update del d.maxjournal.test
+send
+EOF
+done
+# check that the journal is big enough to require truncation.
+size=$($PERL -e 'use File::stat; my $sb = stat(@ARGV[0]); printf("%s\n", $sb->size);' ns1/maxjournal.db.jnl)
+[ "$size" -gt 6000 ] || ret=1
+sleep 1
+$RNDCCMD 10.53.0.1 sync maxjournal.test
+check_size_lt_5000() (
+    size=$($PERL -e 'use File::stat; my $sb = stat(@ARGV[0]); printf("%s\n", $sb->size);' ns1/maxjournal.db.jnl)
+    [ "$size" -lt 5000 ]
+)
+retry_quiet 20 check_size_lt_5000 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+echo_i "check check-names processing ($n)"
+ret=0
+$NSUPDATE << EOF > nsupdate.out1-$n 2>&1 && ret=1
+update add # 0 in a 1.2.3.4
+EOF
+grep "bad owner" nsupdate.out1-$n > /dev/null || ret=1
+
+$NSUPDATE << EOF > nsupdate.out2-$n 2>&1 || ret=1
+check-names off
+update add # 0 in a 1.2.3.4
+EOF
+grep "bad owner" nsupdate.out2-$n > /dev/null && ret=1
+
+$NSUPDATE << EOF > nsupdate.out3-$n 2>&1 && ret=1
+update add . 0 in mx 0 #
+EOF
+grep "bad name" nsupdate.out3-$n > /dev/null || ret=1
+
+$NSUPDATE << EOF > nsupdate.out4-$n 2>&1 || ret=1
+check-names off
+update add . 0 in mx 0 #
+EOF
+grep "bad name" nsupdate.out4-$n > /dev/null && ret=1
+
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+echo_i "check adding of delegating NS records processing ($n)"
+ret=0
+$NSUPDATE -v << EOF > nsupdate.out.test$n 2>&1 || ret=1
+server 10.53.0.3 ${PORT}
+zone delegation.test.
+update add child.delegation.test. 3600 NS foo.example.net.
+update add child.delegation.test. 3600 NS bar.example.net.
+send
+EOF
+$DIG $DIGOPTS +tcp @10.53.0.3 ns child.delegation.test > dig.out.ns1.test$n
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null 2>&1 || ret=1
+grep "AUTHORITY: 2" dig.out.ns1.test$n > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+echo_i "check deleting of delegating NS records processing ($n)"
+ret=0
+$NSUPDATE -v << EOF > nsupdate.out.test$n 2>&1 || ret=1
+server 10.53.0.3 ${PORT}
+zone delegation.test.
+update del child.delegation.test. 3600 NS foo.example.net.
+update del child.delegation.test. 3600 NS bar.example.net.
+send
+EOF
+$DIG $DIGOPTS +tcp @10.53.0.3 ns child.delegation.test > dig.out.ns1.test$n
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+echo_i "check that adding too many records is blocked ($n)"
+ret=0
+$NSUPDATE -v << EOF > nsupdate.out.test$n 2>&1 && ret=1
+server 10.53.0.3 ${PORT}
+zone too-big.test.
+update add r1.too-big.test 3600 IN TXT r1.too-big.test
+send
+EOF
+grep "update failed: SERVFAIL" nsupdate.out.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +tcp @10.53.0.3 r1.too-big.test TXT > dig.out.ns3.test$n
+grep "status: NXDOMAIN" dig.out.ns3.test$n > /dev/null || ret=1
+grep "records in zone (4) exceeds max-records (3)" ns3/named.run > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check whether valid addresses are used for primary failover (UDP with defaults) ($n)"
+t1=$($PERL -e 'print time()')
+$NSUPDATE <<END > nsupdate.out.test$n 2>&1 && ret=1
+server 10.53.0.4 ${PORT}
+zone unreachable.
+update add unreachable. 600 A 192.0.2.1
+send
+END
+t2=$($PERL -e 'print time()')
+grep "; Communication with 10.53.0.4#${PORT} failed: timed out" nsupdate.out.test$n > /dev/null 2>&1 || ret=1
+grep "not implemented" nsupdate.out.test$n > /dev/null 2>&1 && ret=1
+elapsed=$((t2 - t1))
+# Check that default timeout value is respected, there should be 4 tries with 3 seconds each.
+test $elapsed -lt 12 && ret=1
+test $elapsed -gt 15 && ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check whether valid addresses are used for primary failover (UDP with -u udptimeout) ($n)"
+t1=$($PERL -e 'print time()')
+$NSUPDATE -u 4 -r 1 <<END > nsupdate.out.test$n 2>&1 && ret=1
+server 10.53.0.4 ${PORT}
+zone unreachable.
+update add unreachable. 600 A 192.0.2.1
+send
+END
+t2=$($PERL -e 'print time()')
+grep "; Communication with 10.53.0.4#${PORT} failed: timed out" nsupdate.out.test$n > /dev/null 2>&1 || ret=1
+grep "not implemented" nsupdate.out.test$n > /dev/null 2>&1 && ret=1
+elapsed=$((t2 - t1))
+# Check that given timeout value is respected, there should be 2 tries with 4 seconds each.
+test $elapsed -lt 8 && ret=1
+test $elapsed -gt 12 && ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check whether valid addresses are used for primary failover (UDP with -t timeout) ($n)"
+t1=$($PERL -e 'print time()')
+$NSUPDATE -u 0 -t 8 -r 1 <<END > nsupdate.out.test$n 2>&1 && ret=1
+server 10.53.0.4 ${PORT}
+zone unreachable.
+update add unreachable. 600 A 192.0.2.1
+send
+END
+t2=$($PERL -e 'print time()')
+grep "; Communication with 10.53.0.4#${PORT} failed: timed out" nsupdate.out.test$n > /dev/null 2>&1 || ret=1
+grep "not implemented" nsupdate.out.test$n > /dev/null 2>&1 && ret=1
+elapsed=$((t2 - t1))
+# Check that given timeout value is respected, there should be 2 tries with 4 seconds each.
+test $elapsed -lt 8 && ret=1
+test $elapsed -gt 12 && ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check whether valid addresses are used for primary failover (UDP with -u udptimeout -t timeout) ($n)"
+t1=$($PERL -e 'print time()')
+$NSUPDATE -u 4 -t 30 -r 1 <<END > nsupdate.out.test$n 2>&1 && ret=1
+server 10.53.0.4 ${PORT}
+zone unreachable.
+update add unreachable. 600 A 192.0.2.1
+send
+END
+t2=$($PERL -e 'print time()')
+grep "; Communication with 10.53.0.4#${PORT} failed: timed out" nsupdate.out.test$n > /dev/null 2>&1 || ret=1
+grep "not implemented" nsupdate.out.test$n > /dev/null 2>&1 && ret=1
+elapsed=$((t2 - t1))
+# Check that given timeout value is respected, there should be 2 tries with 4 seconds each, as -u takes precedence over -t.
+test $elapsed -lt 8 && ret=1
+test $elapsed -gt 12 && ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check whether valid addresses are used for primary failover (TCP with -t timeout) ($n)"
+t1=$($PERL -e 'print time()')
+$NSUPDATE -t 8 -v <<END > nsupdate.out.test$n 2>&1 && ret=1
+server 10.53.0.4 ${PORT}
+zone unreachable.
+update add unreachable. 600 A 192.0.2.1
+send
+END
+t2=$($PERL -e 'print time()')
+grep "; Communication with 10.53.0.4#${PORT} failed: timed out" nsupdate.out.test$n > /dev/null 2>&1 || ret=1
+grep "not implemented" nsupdate.out.test$n > /dev/null 2>&1 && ret=1
+elapsed=$((t2 - t1))
+# Check that given timeout value is respected, there should be 1 try with 8 seconds.
+test $elapsed -lt 8 && ret=1
+test $elapsed -gt 12 && ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "ensure bad owner name is fatal in non-interactive mode ($n)"
+$NSUPDATE <<END > nsupdate.out 2>&1 && ret=1
+    update add emptylabel..nil. 600 A 10.10.10.1
+END
+grep "invalid owner name: empty label" nsupdate.out > /dev/null || ret=1
+grep "syntax error" nsupdate.out > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "ensure bad owner name is not fatal in interactive mode ($n)"
+$NSUPDATE -i <<END > nsupdate.out 2>&1 || ret=1
+    update add emptylabel..nil. 600 A 10.10.10.1
+END
+grep "invalid owner name: empty label" nsupdate.out > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "ensure invalid key type is fatal in non-interactive mode ($n)"
+$NSUPDATE <<END > nsupdate.out 2>&1 && ret=1
+    key badkeytype:example abcd12345678
+END
+grep "unknown key type 'badkeytype'" nsupdate.out > /dev/null || ret=1
+grep "syntax error" nsupdate.out > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "ensure invalid key type is not fatal in interactive mode ($n)"
+$NSUPDATE -i <<END > nsupdate.out 2>&1 || ret=1
+    key badkeytype:example abcd12345678
+END
+grep "unknown key type 'badkeytype'" nsupdate.out > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "ensure unresolvable server name is fatal in non-interactive mode ($n)"
+$NSUPDATE <<END > nsupdate.out 2>&1 && ret=1
+    server unresolvable..
+END
+grep "couldn't get address for 'unresolvable..':" nsupdate.out > /dev/null || ret=1
+grep "syntax error" nsupdate.out > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "ensure unresolvable server name is not fatal in interactive mode ($n)"
+$NSUPDATE -i <<END > nsupdate.out 2>&1 || ret=1
+    server unresolvable..
+END
+grep "couldn't get address for 'unresolvable..':" nsupdate.out > /dev/null || ret=1
+grep "syntax error" nsupdate.out > /dev/null && ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check nsupdate -4 -6 ($n)"
+$NSUPDATE -4 -6 <<END > nsupdate.out.test$n 2>&1 && ret=1
+server 10.53.0.3 ${PORT}
+zone delegation.test.
+update del child.delegation.test. 3600 NS foo.example.net.
+update del child.delegation.test. 3600 NS bar.example.net.
+send
+END
+grep "only one of -4 and -6 allowed" nsupdate.out.test$n > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check nsupdate -4 with an IPv6 server address ($n)"
+$NSUPDATE -4 <<END > nsupdate.out.test$n 2>&1 && ret=1
+server fd92:7065:b8e:ffff::2 ${PORT}
+zone delegation.test.
+update del child.delegation.test. 3600 NS foo.example.net.
+update del child.delegation.test. 3600 NS bar.example.net.
+send
+END
+grep "address family not supported" nsupdate.out.test$n > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that TKEY in a update is rejected ($n)"
+$NSUPDATE -d <<END > nsupdate.out.test$n 2>&1 && ret=1
+server 10.53.0.3 ${PORT}
+update add tkey.example 0 in tkey invalid.algorithm. 1516055980 1516140801 1 0 16 gRof8D2BFKvl/vrr9Lmnjw== 16 gRof8D2BFKvl/vrr9Lmnjw==
+send
+END
+grep "UPDATE, status: NOERROR" nsupdate.out.test$n > /dev/null 2>&1 || ret=1
+grep "UPDATE, status: FORMERR" nsupdate.out.test$n > /dev/null 2>&1 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that max records is enforced ($n)"
+nextpart ns6/named.run > /dev/null
+$NSUPDATE -v > nsupdate.out.$n 2>&1 << END
+server 10.53.0.6 ${PORT}
+local 10.53.0.5
+update del 5.0.53.10.in-addr.arpa.
+update add 5.0.53.10.in-addr.arpa. 600 PTR localhost.
+update add 5.0.53.10.in-addr.arpa. 600 PTR other.
+send
+END
+$DIG $DIGOPTS @10.53.0.6 \
+        +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd \
+        -x 10.53.0.5 > dig.out.ns6.$n
+# the policy is 'grant * tcp-self . PTR(1) ANY(2) A;' so only the
+# first PTR record should be added.
+grep localhost. dig.out.ns6.$n > /dev/null 2>&1 || ret=1
+grep other. dig.out.ns6.$n > /dev/null 2>&1 && ret=1
+nextpart ns6/named.run > nextpart.out.$n
+grep "attempt to add more records than permitted by policy" nextpart.out.$n > /dev/null || ret=1
+if test $ret -ne 0
+then
+echo_i "failed"; status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check that max records for ANY is enforced ($n)"
+nextpart ns6/named.run > /dev/null
+$NSUPDATE -v > nsupdate.out.$n 2>&1 << END
+server 10.53.0.6 ${PORT}
+local 10.53.0.5
+update del 5.0.53.10.in-addr.arpa.
+update add 5.0.53.10.in-addr.arpa. 600 A 1.2.3.4
+update add 5.0.53.10.in-addr.arpa. 600 A 1.2.3.3
+update add 5.0.53.10.in-addr.arpa. 600 A 1.2.3.2
+update add 5.0.53.10.in-addr.arpa. 600 AAAA ::ffff:1.2.3.4
+update add 5.0.53.10.in-addr.arpa. 600 AAAA ::ffff:1.2.3.3
+update add 5.0.53.10.in-addr.arpa. 600 AAAA ::ffff:1.2.3.2
+send
+END
+$DIG $DIGOPTS @10.53.0.6 \
+        +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd \
+        ANY -x 10.53.0.5 > dig.out.ns6.test$n
+nextpart ns6/named.run > nextpart.out.test$n
+grep "attempt to add more records than permitted by policy" nextpart.out.test$n > /dev/null || ret=1
+# the policy is 'grant * tcp-self . PTR(1) ANY(2) A;' so all the A
+# records should have been added as there is no limit and the first 2
+# of the AAAA records added as they match ANY(2).
+c1=$(awk '$4 == "A" { print }' dig.out.ns6.test$n | wc -l)
+c2=$(awk '$4 == "AAAA" { print }' dig.out.ns6.test$n | wc -l)
+test "$c1" -eq 3 -a "$c2" -eq 2 || ret=1
+grep "::ffff:1.2.3.2" dig.out.ns6.test$n && ret=1
+if test $ret -ne 0
+then
+echo_i "failed"; status=1
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "check that DS to the zone apex is ignored ($n)"
+$DIG $DIGOPTS +tcp +norec example DS @10.53.0.3 > dig.out.pre.test$n || ret=1
+grep "status: NOERROR" dig.out.pre.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.pre.test$n > /dev/null || ret=1
+nextpart ns3/named.run > /dev/null
+# specify zone to override the default of adding to parent zone
+$NSUPDATE -d <<END > nsupdate.out.test$n 2>&1 || ret=1
+server 10.53.0.3 ${PORT}
+zone example
+update add example 0 in DS 14364 10 2 FD03B2312C8F0FE72C1751EFA1007D743C94EC91594FF0047C23C37CE119BA0C
+send
+END
+msg=": attempt to add a DS record at zone apex ignored"
+nextpart ns3/named.run | grep "$msg" > /dev/null || ret=1
+$DIG $DIGOPTS +tcp +norec example DS @10.53.0.3 > dig.out.post.test$n || ret=1
+grep "status: NOERROR" dig.out.post.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.post.test$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that CDS with mismatched algorithm to DNSSEC multisigner zone is not allowed ($n)"
+$DIG $DIGOPTS +tcp +norec multisigner.test CDS @10.53.0.3 > dig.out.pre.test$n || ret=1
+grep "status: NOERROR" dig.out.pre.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.pre.test$n > /dev/null || ret=1
+$NSUPDATE -d <<END > nsupdate.out.test$n 2>&1 && ret=1
+server 10.53.0.3 ${PORT}
+zone multisigner.test
+update add multisigner.test 3600 IN CDS 14364 14 2 FD03B2312C8F0FE72C1751EFA1007D743C94EC91594FF0047C23C37CE119BA0C
+send
+END
+msg=": bad CDS RRset"
+nextpart ns3/named.run | grep "$msg" > /dev/null || ret=1
+$DIG $DIGOPTS +tcp +norec multisigner.test CDS @10.53.0.3 > dig.out.post.test$n || ret=1
+grep "status: NOERROR" dig.out.post.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.post.test$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that CDNSKEY with mismatched algorithm to DNSSEC multisigner zone is not allowed ($n)"
+$DIG $DIGOPTS +tcp +norec multisigner.test CDNSKEY @10.53.0.3 > dig.out.pre.test$n || ret=1
+grep "status: NOERROR" dig.out.pre.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.pre.test$n > /dev/null || ret=1
+nextpart ns3/named.run > /dev/null
+$NSUPDATE -d <<END > nsupdate.out.test$n 2>&1 && ret=1
+server 10.53.0.3 ${PORT}
+zone multisigner.test
+update add multisigner.test 3600 IN CDNSKEY 257 3 14 d0NQ5PKmDz6P0B1WPMH9/UKRux/toSFwV2nTJYPA1Cx8pB0sJGTXbVhG U+6gye7VCHDhGIn9CjVfb2RJPW7GnQ==
+send
+END
+msg=": bad CDNSKEY RRset"
+nextpart ns3/named.run | grep "$msg" > /dev/null || ret=1
+$DIG $DIGOPTS +tcp +norec multisigner.test CDNSKEY @10.53.0.3 > dig.out.post.test$n || ret=1
+grep "status: NOERROR" dig.out.post.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.post.test$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that CDS to DNSSEC multisigner zone is allowed ($n)"
+$DIG $DIGOPTS +tcp +norec multisigner.test CDS @10.53.0.3 > dig.out.pre.test$n || ret=1
+grep "status: NOERROR" dig.out.pre.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.pre.test$n > /dev/null || ret=1
+$NSUPDATE -d <<END > nsupdate.out.test$n 2>&1 || ret=1
+server 10.53.0.3 ${PORT}
+zone multisigner.test
+update add multisigner.test 3600 IN CDS 14364 13 2 FD03B2312C8F0FE72C1751EFA1007D743C94EC91594FF0047C23C37CE119BA0C
+send
+END
+retry_quiet 5 has_positive_response multisigner.test CDS 10.53.0.3 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that CDNSKEY to DNSSEC multisigner zone is allowed ($n)"
+$DIG $DIGOPTS +tcp +norec multisigner.test CDNSKEY @10.53.0.3 > dig.out.pre.test$n || ret=1
+grep "status: NOERROR" dig.out.pre.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.pre.test$n > /dev/null || ret=1
+$NSUPDATE -d <<END > nsupdate.out.test$n 2>&1 || ret=1
+server 10.53.0.3 ${PORT}
+zone multisigner.test
+update add multisigner.test 3600 IN CDNSKEY 257 3 13 d0NQ5PKmDz6P0B1WPMH9/UKRux/toSFwV2nTJYPA1Cx8pB0sJGTXbVhG U+6gye7VCHDhGIn9CjVfb2RJPW7GnQ==
+send
+END
+retry_quiet 5 has_positive_response multisigner.test CDNSKEY 10.53.0.3 || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that excessive NSEC3PARAM iterations are rejected by nsupdate ($n)"
+$NSUPDATE -d <<END > nsupdate.out.test$n 2>&1 && ret=1
+server 10.53.0.3 ${PORT}
+zone example
+update add example 0 in NSEC3PARAM 1 0 151 -
+END
+grep "NSEC3PARAM has excessive iterations (> 150)" nsupdate.out.test$n >/dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check nsupdate retries with another server on REFUSED response ($n)"
+# resolv.conf uses 10.53.0.1 followed by 10.53.0.3; example is only
+# served by 10.53.0.3, so we should fail over to the second server;
+# that's what we're testing for. (failure is still expected, however,
+# because the address lookup for the primary doesn't use the overridden
+# resolv.conf file).
+$NSUPDATE -D -C resolv.conf -p ${PORT} << EOF > nsupdate.out.test$n 2>&1 && ret=1
+zone example
+update add a 3600 IN A 1.2.3.4
+send
+EOF
+grep '10.53.0.1.*REFUSED' nsupdate.out.test$n > /dev/null || ret=1
+grep 'Reply from SOA query' nsupdate.out.test$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that update is rejected if query is not allowed ($n)"
+{
+  $NSUPDATE -d <<END && ret=1
+  local 10.53.0.2
+  server 10.53.0.1 ${PORT}
+  update add reject.other.nil 3600 IN TXT Whatever
+  send
+END
+} > nsupdate.out.test$n 2>&1
+grep 'failed: REFUSED' nsupdate.out.test$n > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+n=$((n + 1))
+ret=0
+echo_i "check that update is rejected if quota is exceeded ($n)"
+for loop in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+{
+  $NSUPDATE -4 -l -p ${PORT} -k ns1/session.key > /dev/null 2>&1 <<END
+  update add txt-$loop.other.nil 3600 IN TXT Whatever
+  send
+END
+} &
+done
+wait_for_log 10 "too many DNS UPDATEs queued" ns1/named.run || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+if ! $FEATURETEST --gssapi ; then
+  echo_i "SKIPPED: GSSAPI tests"
+else
+  n=$((n + 1))
+  ret=0
+  echo_i "check GSS-API TKEY request rcode against a non configured server ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  send
+EOF
+  grep "response to GSS-TSIG query was unsuccessful (REFUSED)" nsupdate.out.test$n > /dev/null  || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  copy_setports ns7/named2.conf.in ns7/named.conf
+  rndc_reload ns7 10.53.0.7
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check krb5-self match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update add machine.example.com 3600 IN A 10.53.0.7
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.7 machine.example.com A > dig.out.ns7.test$n
+  grep "status: NOERROR" dig.out.ns7.test$n > /dev/null || ret=1
+  grep "machine.example.com..*A.*10.53.0.7" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check krb5-self no-match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update add foo.example.com 3600 IN A 10.53.0.7
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.7 foo.example.com A > dig.out.ns7.test$n
+  grep "status: NXDOMAIN" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check krb5-subdomain match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE -d << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update add _xxx._tcp.example.com 3600 IN SRV 0 0 0 machine.example.com
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.7 _xxx._tcp.example.com SRV > dig.out.ns7.test$n
+  grep "status: NOERROR" dig.out.ns7.test$n > /dev/null || ret=1
+  grep "_xxx._tcp.example.com.*SRV.*0 0 0 machine.example.com" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check krb5-subdomain no-match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update add _xxx._udp.example.com 3600 IN SRV 0 0 0 machine.example.com
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.7 _xxx._udp.example.com SRV > dig.out.ns7.test$n
+  grep "status: NXDOMAIN" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs match PTR ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE -d << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone in-addr.arpa
+  update add 4.3.2.1.in-addr.arpa 3600 IN PTR machine.example.com
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.7 4.3.2.1.in-addr.arpa PTR > dig.out.ns7.test$n
+  grep "status: NOERROR" dig.out.ns7.test$n > /dev/null || ret=1
+  grep "4.3.2.1.in-addr.arpa.*PTR.*machine.example.com" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs no-match PTR ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone in-addr.arpa
+  update add 5.3.2.1.in-addr.arpa 3600 IN PTR notme.example.com
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.7 5.3.2.1.in-addr.arpa PTR > dig.out.ns7.test$n
+  grep "status: NXDOMAIN" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs match SRV ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE -d << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update add _xxx.self-srv.example.com 3600 IN SRV 0 0 0 machine.example.com
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.7 _xxx.self-srv.example.com ANY > dig.out.ns7.test$n
+  grep "status: NOERROR" dig.out.ns7.test$n > /dev/null || ret=1
+  grep "_xxx.self-srv.example.com.*SRV.*0 0 0 machine.example.com" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs no listed types match (SRV & TXT) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE -d << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update add _xxx.self-srv-no-type.example.com 3600 IN SRV 0 0 0 machine.example.com
+  update add _xxx.self-srv-no-type.example.com 3600 IN TXT a txt record
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.7 _xxx.self-srv-no-type.example.com ANY > dig.out.ns7.test$n
+  grep "status: NOERROR" dig.out.ns7.test$n > /dev/null || ret=1
+  grep '_xxx.self-srv-no-type.example.com.*SRV.*0 0 0 machine.example.com' dig.out.ns7.test$n > /dev/null || ret=1
+  grep '_xxx.self-srv-no-type.example.com.*TXT.*"a" "txt" "record"' dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs no-match RDATA (SRV) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update add _yyy.self-srv.example.com 3600 IN SRV 0 0 0 notme.example.com
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.7 _yyy.self-srv.example.com SRV > dig.out.ns7.test$n
+  grep "status: NXDOMAIN" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs no-match TYPE (TXT) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update add _yyy.self-srv.example.com 3600 IN TXT a-txt-record
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.7 _yyy.self-srv.example.com TXT > dig.out.ns7.test$n
+  grep "status: NXDOMAIN" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs delete PTR (matching PTR) ($n)"
+  $DIG $DIGOPTS +tcp @10.53.0.7 single.ptr.self-ptr.in-addr.arpa PTR > dig.out.ns7.pre.test$n
+  grep "status: NOERROR" dig.out.ns7.pre.test$n > /dev/null || ret=1
+  grep "ANSWER: 1," dig.out.ns7.pre.test$n > /dev/null || ret=1
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone in-addr.arpa
+  update delete single.ptr.self-ptr.in-addr.arpa PTR
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.7 single.ptr.self-ptr.in-addr.arpa PTR > dig.out.ns7.test$n
+  grep "status: NXDOMAIN" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs delete PTR (matching PTR with non-matching PTR) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone in-addr.arpa
+  update delete many.ptr.self-ptr.in-addr.arpa PTR
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.7 many.ptr.self-ptr.in-addr.arpa PTR > dig.out.ns7.test$n
+  grep "status: NOERROR" dig.out.ns7.test$n > /dev/null || ret=1
+  grep "ANSWER: 2," dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs delete ANY (matching PTR) ($n)"
+  $DIG $DIGOPTS +tcp @10.53.0.7 single.any.self-ptr.in-addr.arpa PTR > dig.out.ns7.pre.test$n
+  grep "status: NOERROR" dig.out.ns7.pre.test$n > /dev/null || ret=1
+  grep "ANSWER: 1," dig.out.ns7.pre.test$n > /dev/null || ret=1
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone in-addr.arpa
+  update delete single.any.self-ptr.in-addr.arpa
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.7 single.any.self-ptr.in-addr.arpa PTR > dig.out.ns7.test$n
+  grep "status: NXDOMAIN" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs delete ANY (matching PTR with non-matching PTR) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone in-addr.arpa
+  update delete many.any.self-ptr.in-addr.arpa
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.7 many.any.self-ptr.in-addr.arpa PTR > dig.out.ns7.test$n
+  grep "status: NOERROR" dig.out.ns7.test$n > /dev/null || ret=1
+  grep "ANSWER: 2," dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs delete SRV (matching SRV) ($n)"
+  $DIG $DIGOPTS +tcp @10.53.0.7 single.srv.self-srv.example.com SRV > dig.out.ns7.pre.test$n
+  grep "status: NOERROR" dig.out.ns7.pre.test$n > /dev/null || ret=1
+  grep "ANSWER: 1," dig.out.ns7.pre.test$n > /dev/null || ret=1
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update delete single.srv.self-srv.example.com SRV
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.7 single.srv.self-srv.example.com SRV > dig.out.ns7.test$n
+  grep "status: NXDOMAIN" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs delete SRV (matching SRV with non-matching SRV) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update delete many.srv.self-srv.example.com SRV
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.7 many.srv.self-srv.example.com SRV > dig.out.ns7.test$n
+  grep "status: NOERROR" dig.out.ns7.test$n > /dev/null || ret=1
+  grep "ANSWER: 2," dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs delete ANY (matching SRV) ($n)"
+  $DIG $DIGOPTS +tcp @10.53.0.7 single.any.self-srv.example.com SRV > dig.out.ns7.pre.test$n
+  grep "status: NOERROR" dig.out.ns7.pre.test$n > /dev/null || ret=1
+  grep "ANSWER: 1," dig.out.ns7.pre.test$n > /dev/null || ret=1
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update delete single.any.self-srv.example.com
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.7 single.any.self-srv.example.com SRV > dig.out.ns7.test$n
+  grep "status: NXDOMAIN" dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check krb5-subdomain-self-rhs delete ANY (matching SRV with non-matching SRV) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns7/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.7 ${PORT}
+  zone example.com
+  update delete many.any.self-srv.example.com
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.7 many.any.self-srv.example.com SRV > dig.out.ns7.test$n
+  grep "status: NOERROR" dig.out.ns7.test$n > /dev/null || ret=1
+  grep "ANSWER: 2," dig.out.ns7.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check krb5-selfsub match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns8/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE -d << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.8 ${PORT}
+  zone example.com
+  update add xxx.machine.example.com 3600 IN A 10.53.0.8
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.8 xxx.machine.example.com A > dig.out.ns8.test$n
+  grep "status: NOERROR" dig.out.ns8.test$n > /dev/null || ret=1
+  grep "xxx.machine.example.com..*A.*10.53.0.8" dig.out.ns8.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check krb5-selfsub no-match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns8/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.8 ${PORT}
+  zone example.com
+  update add foo.example.com 3600 IN A 10.53.0.8
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.8 foo.example.com A > dig.out.ns8.test$n
+  grep "status: NXDOMAIN" dig.out.ns8.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check ms-self match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns9/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.9 ${PORT}
+  zone example.com
+  update add machine.example.com 3600 IN A 10.53.0.9
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.9 machine.example.com A > dig.out.ns9.test$n
+  grep "status: NOERROR" dig.out.ns9.test$n > /dev/null || ret=1
+  grep "machine.example.com..*A.*10.53.0.9" dig.out.ns9.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check ms-self no-match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns9/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.9 ${PORT}
+  zone example.com
+  update add foo.example.com 3600 IN A 10.53.0.9
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.9 foo.example.com A > dig.out.ns9.test$n
+  grep "status: NXDOMAIN" dig.out.ns9.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check ms-subdomain match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns9/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE -d << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.9 ${PORT}
+  zone example.com
+  update add _xxx._tcp.example.com 3600 IN SRV 0 0 0 machine.example.com
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.9 _xxx._tcp.example.com SRV > dig.out.ns9.test$n
+  grep "status: NOERROR" dig.out.ns9.test$n > /dev/null || ret=1
+  grep "_xxx._tcp.example.com.*SRV.*0 0 0 machine.example.com" dig.out.ns9.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check ms-subdomain no-match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns9/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.9 ${PORT}
+  zone example.com
+  update add _xxx._udp.example.com 3600 IN SRV 0 0 0 machine.example.com
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.9 _xxx._udp.example.com SRV > dig.out.ns9.test$n
+  grep "status: NXDOMAIN" dig.out.ns9.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs match (PTR) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE -d << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone in-addr.arpa
+  update add 4.3.2.1.in-addr.arpa 3600 IN PTR machine.example.com
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.10 4.3.2.1.in-addr.arpa PTR > dig.out.ns10.test$n
+  grep "status: NOERROR" dig.out.ns10.test$n > /dev/null || ret=1
+  grep "4.3.2.1.in-addr.arpa.*PTR.*machine.example.com" dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs no-match (PTR) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone in-addr.arpa
+  update add 5.3.2.1.in-addr.arpa 3600 IN PTR notme.example.com
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.10 5.3.2.1.in-addr.arpa PTR > dig.out.ns10.test$n
+  grep "status: NXDOMAIN" dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs match (SRV) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE -d << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone example.com
+  update add _xxx.self-srv.example.com 3600 IN SRV 0 0 0 machine.example.com
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.10 _xxx.self-srv.example.com SRV > dig.out.ns10.test$n
+  grep "status: NOERROR" dig.out.ns10.test$n > /dev/null || ret=1
+  grep "_xxx.self-srv.example.com.*SRV.*0 0 0 machine.example.com" dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs no-match (SRV) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone example.com
+  update add _yyy.self-srv.example.com 3600 IN SRV 0 0 0 notme.example.com
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.10 _yyy.self-srv.example.com SRV > dig.out.ns10.test$n
+  grep "status: NXDOMAIN" dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs delete SRV (matching SRV) ($n)"
+  $DIG $DIGOPTS +tcp @10.53.0.10 single.srv.self-srv.example.com SRV > dig.out.ns10.pre.test$n
+  grep "status: NOERROR" dig.out.ns10.pre.test$n > /dev/null || ret=1
+  grep "ANSWER: 1," dig.out.ns10.pre.test$n > /dev/null || ret=1
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone example.com
+  update delete single.srv.self-srv.example.com SRV
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.10 single.srv.self-srv.example.com SRV > dig.out.ns10.test$n
+  grep "status: NXDOMAIN" dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs delete SRV (matching SRV with non-matching SRV) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone example.com
+  update delete many.srv.self-srv.example.com SRV
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.10 many.srv.self-srv.example.com SRV > dig.out.ns10.test$n
+  grep "status: NOERROR" dig.out.ns10.test$n > /dev/null || ret=1
+  grep "ANSWER: 2," dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs delete PTR (matching PTR) ($n)"
+  $DIG $DIGOPTS +tcp @10.53.0.10 single.ptr.self-ptr.in-addr.arpa PTR > dig.out.ns10.pre.test$n
+  grep "status: NOERROR" dig.out.ns10.pre.test$n > /dev/null || ret=1
+  grep "ANSWER: 1," dig.out.ns10.pre.test$n > /dev/null || ret=1
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone in-addr.arpa
+  update delete single.ptr.self-ptr.in-addr.arpa PTR
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.10 single.ptr.self-ptr.in-addr.arpa PTR > dig.out.ns10.test$n
+  grep "status: NXDOMAIN" dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs delete PTR (matching PTR with non-matching PTR) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone in-addr.arpa
+  update delete many.ptr.self-ptr.in-addr.arpa PTR
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.10 many.ptr.self-ptr.in-addr.arpa PTR > dig.out.ns10.test$n
+  grep "status: NOERROR" dig.out.ns10.test$n > /dev/null || ret=1
+  grep "ANSWER: 2," dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs delete ANY (matching PTR) ($n)"
+  $DIG $DIGOPTS +tcp @10.53.0.10 single.any.self-ptr.in-addr.arpa PTR > dig.out.ns10.pre.test$n
+  grep "status: NOERROR" dig.out.ns10.pre.test$n > /dev/null || ret=1
+  grep "ANSWER: 1," dig.out.ns10.pre.test$n > /dev/null || ret=1
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone in-addr.arpa
+  update delete single.any.self-ptr.in-addr.arpa
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.10 single.any.self-ptr.in-addr.arpa PTR > dig.out.ns10.test$n
+  grep "status: NXDOMAIN" dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs delete ANY (matching PTR with non-matching PTR) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone in-addr.arpa
+  update delete many.any.self-ptr.in-addr.arpa
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.10 many.any.self-ptr.in-addr.arpa PTR > dig.out.ns10.test$n
+  grep "status: NOERROR" dig.out.ns10.test$n > /dev/null || ret=1
+  grep "ANSWER: 2," dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs delete ANY (matching SRV) ($n)"
+  $DIG $DIGOPTS +tcp @10.53.0.10 single.any.self-srv.example.com SRV > dig.out.ns10.pre.test$n
+  grep "status: NOERROR" dig.out.ns10.pre.test$n > /dev/null || ret=1
+  grep "ANSWER: 1," dig.out.ns10.pre.test$n > /dev/null || ret=1
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone example.com
+  update delete single.any.self-srv.example.com
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.10 single.any.self-srv.example.com SRV > dig.out.ns10.test$n
+  grep "status: NXDOMAIN" dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n+1))
+  ret=0
+  echo_i "check ms-subdomain-self-rhs delete ANY (matching SRV with non-matching SRV) ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone example.com
+  update delete many.any.self-srv.example.com
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.10 many.any.self-srv.example.com SRV > dig.out.ns10.test$n
+  grep "status: NOERROR" dig.out.ns10.test$n > /dev/null || ret=1
+  grep "ANSWER: 2," dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check ms-selfsub match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE -d << EOF > nsupdate.out.test$n 2>&1 || ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone example.com
+  update add xxx.machine.example.com 3600 IN A 10.53.0.10
+  send
+EOF
+  $DIG $DIGOPTS +tcp @10.53.0.10 xxx.machine.example.com A > dig.out.ns10.test$n
+  grep "status: NOERROR" dig.out.ns10.test$n > /dev/null || ret=1
+  grep "xxx.machine.example.com..*A.*10.53.0.10" dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+  n=$((n + 1))
+  ret=0
+  echo_i "check ms-selfsub no-match ($n)"
+  KRB5CCNAME="FILE:$(pwd)/ns10/machine.ccache"
+  export KRB5CCNAME
+  $NSUPDATE << EOF > nsupdate.out.test$n 2>&1 && ret=1
+  gsstsig
+  realm EXAMPLE.COM
+  server 10.53.0.10 ${PORT}
+  zone example.com
+  update add foo.example.com 3600 IN A 10.53.0.10
+  send
+EOF
+  grep "update failed: REFUSED" nsupdate.out.test$n > /dev/null || ret=1
+  $DIG $DIGOPTS +tcp @10.53.0.10 foo.example.com A > dig.out.ns10.test$n
+  grep "status: NXDOMAIN" dig.out.ns10.test$n > /dev/null || ret=1
+  [ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/nsupdate/tests_sh_nsupdate.py b/bin/tests/system/nsupdate/tests_sh_nsupdate.py
new file mode 100644
index 0000000..897eb08
--- /dev/null
+++ b/bin/tests/system/nsupdate/tests_sh_nsupdate.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_nsupdate(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/nsupdate/update_test.pl b/bin/tests/system/nsupdate/update_test.pl
new file mode 100644
index 0000000..835f1f8
--- /dev/null
+++ b/bin/tests/system/nsupdate/update_test.pl
@@ -0,0 +1,429 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Dynamic update test suite.
+#
+# Usage:
+#
+#   perl update_test.pl [-s server] [-p port] zone
+#
+# The server defaults to 127.0.0.1.
+# The port defaults to 53.
+#
+# The "Special NS rules" tests will only work correctly if the
+# zone has no NS records to begin with, or alternatively has a
+# single NS record pointing at the name "ns1" (relative to
+# the zone name).
+#
+# Installation notes:
+#
+# This program uses the Net::DNS::Resolver module.
+# You can install it by saying
+#
+#    perl -MCPAN -e "install Net::DNS"
+#
+
+use Getopt::Std;
+use Net::DNS;
+use Net::DNS::Update;
+use Net::DNS::Resolver;
+
+$opt_s = "127.0.0.1";
+$opt_p = 53;
+
+getopt('s:p:');
+
+$res = new Net::DNS::Resolver;
+$res->nameservers($opt_s);
+$res->port($opt_p);
+$res->defnames(0); # Do not append default domain.
+
+@ARGV == 1 or die
+    "usage: perl update_test.pl [-s server] [-p port] zone\n";
+
+$zone = shift @ARGV;
+
+my $failures = 0;
+
+sub assert {
+    my ($cond, $explanation) = @_;
+    if (!$cond) {
+	print "Test Failed: $explanation ***\n";
+	$failures++;
+    }
+}
+
+sub test {
+    my ($expected, @records) = @_;
+
+    my $update = new Net::DNS::Update("$zone");
+
+    foreach $rec (@records) {
+	$update->push(@$rec);
+    }
+
+    $reply = $res->send($update);
+
+    # Did it work?
+    if (defined $reply) {
+	my $rcode = $reply->header->rcode;
+        assert($rcode eq $expected, "expected $expected, got $rcode");
+    } else {
+	print "Update failed: ", $res->errorstring, "\n";
+	$failures++;
+    }
+}
+
+sub section {
+    my ($msg) = @_;
+    print "$msg\n";
+}
+
+section("Delete any leftovers from previous tests");
+test("NOERROR", ["update", rr_del("a.$zone")]);
+test("NOERROR", ["update", rr_del("b.$zone")]);
+test("NOERROR", ["update", rr_del("c.$zone")]);
+test("NOERROR", ["update", rr_del("d.$zone")]);
+test("NOERROR", ["update", rr_del("e.$zone")]);
+test("NOERROR", ["update", rr_del("f.$zone")]);
+test("NOERROR", ["update", rr_del("ns.s.$zone")]);
+test("NOERROR", ["update", rr_del("s.$zone")]);
+test("NOERROR", ["update", rr_del("t.$zone")]);
+test("NOERROR", ["update", rr_del("*.$zone")]);
+test("NOERROR", ["update", rr_del("u.$zone")]);
+test("NOERROR", ["update", rr_del("a.u.$zone")]);
+test("NOERROR", ["update", rr_del("b.u.$zone")]);
+
+section("Simple prerequisites in the absence of data");
+# Name is in Use
+test("NXDOMAIN", ["pre", yxdomain("a.$zone")]);
+# RRset exists (value independent)
+test("NXRRSET", ["pre", yxrrset("a.$zone A")]);
+# Name is not in use
+test("NOERROR", ["pre", nxdomain("a.$zone")]);
+# RRset does not exist
+test("NOERROR", ["pre", nxrrset("a.$zone A")]);
+# RRset exists (value dependent)
+test("NXRRSET", ["pre", yxrrset("a.$zone A 73.80.65.49")]);
+
+
+section ("Simple creation of data");
+test("NOERROR", ["update", rr_add("a.$zone 300 A 73.80.65.49")]);
+
+section ("Simple prerequisites in the presence of data");
+# Name is in use
+test("NOERROR", ["pre", yxdomain("a.$zone")]);
+# RRset exists (value independent)
+test("NOERROR", ["pre", yxrrset("a.$zone A")]);
+# Name is not in use
+test("YXDOMAIN", ["pre", nxdomain("a.$zone")]);
+# RRset does not exist
+test("YXRRSET", ["pre", nxrrset("a.$zone A")]);
+# RRset exists (value dependent)
+test("NOERROR", ["pre", yxrrset("a.$zone A 73.80.65.49")]);
+
+#
+# Merging of RRsets
+#
+test("NOERROR", ["update", rr_add("a.$zone 300 A 73.80.65.50")]);
+
+section("Detailed tests of \"RRset exists (value dependent)\" prerequisites");
+test("NOERROR", ["pre",
+		 yxrrset("a.$zone A 73.80.65.49"),
+		 yxrrset("a.$zone A 73.80.65.50")]);
+test("NOERROR", ["pre",
+		 yxrrset("a.$zone A 73.80.65.50"),
+		 yxrrset("a.$zone A 73.80.65.49")]);
+test("NXRRSET", ["pre", yxrrset("a.$zone A 73.80.65.49")]);
+test("NXRRSET", ["pre", yxrrset("a.$zone A 73.80.65.50")]);
+test("NXRRSET", ["pre",
+		 yxrrset("a.$zone A 73.80.65.49"),
+		 yxrrset("a.$zone A 73.80.65.50"),
+		 yxrrset("a.$zone A 73.80.65.51")]);
+
+
+section("Torture test of \"RRset exists (value dependent)\" prerequisites.");
+
+test("NOERROR", ["update",
+		 rr_add("e.$zone 300 A 73.80.65.49"),
+		 rr_add("e.$zone 300 TXT 'one'"),
+		 rr_add("e.$zone 300 A 73.80.65.50")]);
+test("NOERROR", ["update",
+		 rr_add("e.$zone 300 A 73.80.65.52"),
+		 rr_add("f.$zone 300 A 73.80.65.52"),
+		 rr_add("e.$zone 300 A 73.80.65.51")]);
+test("NOERROR", ["update",
+		 rr_add("e.$zone 300 TXT 'three'"),
+		 rr_add("e.$zone 300 TXT 'two'")]);
+test("NOERROR", ["update",
+		 rr_add("e.$zone 300 MX 10 mail.$zone")]);
+
+test("NOERROR", ["pre",
+		 yxrrset("e.$zone A 73.80.65.52"),
+		 yxrrset("e.$zone TXT 'two'"),
+		 yxrrset("e.$zone A 73.80.65.51"),
+		 yxrrset("e.$zone TXT 'three'"),
+		 yxrrset("e.$zone A 73.80.65.50"),
+		 yxrrset("f.$zone A 73.80.65.52"),
+		 yxrrset("e.$zone A 73.80.65.49"),
+		 yxrrset("e.$zone TXT 'one'")]);
+
+
+section("Subtraction of RRsets");
+test("NOERROR", ["update", rr_del("a.$zone A 73.80.65.49")]);
+test("NOERROR", ["pre",
+		 yxrrset("a.$zone A 73.80.65.50")]);
+
+test("NOERROR", ["update", rr_del("a.$zone A 73.80.65.50")]);
+test("NOERROR", ["pre", nxrrset("a.$zone A")]);
+test("NOERROR", ["pre", nxdomain("a.$zone")]);
+
+section("Other forms of deletion");
+test("NOERROR", ["update", rr_add("a.$zone 300 A 73.80.65.49")]);
+test("NOERROR", ["update", rr_add("a.$zone 300 A 73.80.65.50")]);
+test("NOERROR", ["update", rr_add("a.$zone 300 MX 10 mail.$zone")]);
+test("NOERROR", ["update", rr_del("a.$zone A")]);
+test("NOERROR", ["pre", nxrrset("a.$zone A")]);
+test("NOERROR", ["update", rr_add("a.$zone 300 A 73.80.65.49")]);
+test("NOERROR", ["update", rr_add("a.$zone 300 A 73.80.65.50")]);
+test("NOERROR", ["update", rr_del("a.$zone")]);
+test("NOERROR", ["pre", nxdomain("a.$zone")]);
+
+section("Case insensitivity");
+test("NOERROR", ["update", rr_add("a.$zone 300 PTR foo.net.")]);
+test("NOERROR", ["pre", yxrrset("A.$zone PTR fOo.NeT.")]);
+
+section("Special CNAME rules");
+test("NOERROR", ["update", rr_add("b.$zone 300 CNAME foo.net.")]);
+test("NOERROR", ["update", rr_add("b.$zone 300 A 73.80.65.49")]);
+test("NOERROR", ["pre", yxrrset("b.$zone CNAME foo.net.")]);
+test("NOERROR", ["pre", nxrrset("b.$zone A")]);
+
+test("NOERROR", ["update", rr_add("c.$zone 300 A 73.80.65.49")]);
+test("NOERROR", ["update", rr_add("c.$zone 300 CNAME foo.net.")]);
+test("NOERROR", ["pre", yxrrset("c.$zone A")]);
+test("NOERROR", ["pre", nxrrset("c.$zone CNAME")]);
+
+# XXX should test with SIG, KEY, NXT, too.
+
+#
+# Currently commented out because Net::DNS does not properly
+# support WKS records.
+#
+#section("Special WKS rules");
+#test("NOERROR", ["update", rr_add("c.$zone 300 WKS 73.80.65.49 TCP telnet ftp")]);
+#test("NOERROR", ["update", rr_add("c.$zone 300 WKS 73.80.65.49 UDP telnet ftp")]);
+#test("NOERROR", ["update", rr_add("c.$zone 300 WKS 73.80.65.50 TCP telnet ftp")]);
+#test("NOERROR", ["update", rr_add("c.$zone 300 WKS 73.80.65.49 TCP smtp")]);
+#test("NOERROR", ["pre",
+#		 yxrrset("c.$zone WKS 73.80.65.49 TCP smtp"),
+#		 yxrrset("c.$zone WKS 73.80.65.49 UDP telnet ftp"),
+#		 yxrrset("c.$zone WKS 73.80.65.50 TCP telnet ftp")]);
+
+
+section("Special NS rules");
+
+# Deleting the last NS record using "Delete an RR from an RRset"
+# should fail at the zone apex and work elsewhere.  The pseudocode
+# in RFC2136 says it should fail everywhere, but this is in conflict
+# with the actual text.
+
+# Apex
+test("NOERROR", ["update",
+		 rr_add("$zone 300 NS ns1.$zone"),
+		 rr_add("$zone 300 NS ns2.$zone")]);
+test("NOERROR", ["update", rr_del("$zone NS ns1.$zone")]);
+test("NOERROR", ["update", rr_del("$zone NS ns2.$zone")]);
+test("NOERROR", ["pre",
+		 yxrrset("$zone NS ns2.$zone")]);
+
+# Non-apex
+test("NOERROR", ["update", rr_add("n.$zone 300 NS ns1.$zone")]);
+test("NOERROR", ["update", rr_del("n.$zone NS ns1.$zone")]);
+test("NOERROR", ["pre", nxrrset("n.$zone NS")]);
+
+# Other ways of deleting NS records should also fail at the apex
+# and work elsewhere.
+
+# Non-apex
+test("NOERROR", ["update", rr_add("n.$zone 300 NS ns1.$zone")]);
+test("NOERROR", ["update", rr_del("n.$zone NS")]);
+test("NOERROR", ["pre", nxrrset("n.$zone NS")]);
+
+test("NOERROR", ["update", rr_add("n.$zone 300 NS ns1.$zone")]);
+test("NOERROR", ["pre", yxrrset("n.$zone NS")]);
+test("NOERROR", ["update", rr_del("n.$zone")]);
+test("NOERROR", ["pre", nxrrset("n.$zone NS")]);
+
+# Apex
+test("NOERROR", ["update", rr_del("$zone NS")]);
+test("NOERROR", ["pre",
+		 yxrrset("$zone NS ns2.$zone")]);
+
+test("NOERROR", ["update", rr_del("$zone")]);
+test("NOERROR", ["pre",
+		 yxrrset("$zone NS ns2.$zone")]);
+
+# They should not touch the SOA, either.
+
+test("NOERROR", ["update", rr_del("$zone SOA")]);
+test("NOERROR", ["pre", yxrrset("$zone SOA")]);
+
+
+section("Idempotency");
+
+test("NOERROR", ["update", rr_add("d.$zone 300 A 73.80.65.49")]);
+test("NOERROR", ["pre", yxrrset("d.$zone A 73.80.65.49")]);
+test("NOERROR", ["update",
+		 rr_add("d.$zone 300 A 73.80.65.49"),
+		 rr_del("d.$zone A")]);
+test("NOERROR", ["pre", nxrrset("d.$zone A")]);
+
+test("NOERROR", ["update", rr_del("d.$zone A 73.80.65.49")]);
+test("NOERROR", ["pre", nxrrset("d.$zone A")]);
+test("NOERROR", ["update",
+		   rr_del("d.$zone A"),
+		   rr_add("d.$zone 300 A 73.80.65.49")]);
+
+test("NOERROR", ["pre", yxrrset("d.$zone A")]);
+
+section("Out-of-zone prerequisites and updates");
+test("NOTZONE", ["pre", yxrrset("a.somewhere.else. A 73.80.65.49")]);
+test("NOTZONE", ["update", rr_add("a.somewhere.else. 300 A 73.80.65.49")]);
+
+
+section("Glue");
+test("NOERROR", ["update", rr_add("s.$zone 300 NS ns.s.$zone")]);
+test("NOERROR", ["update", rr_add("ns.s.$zone 300 A 73.80.65.49")]);
+test("NOERROR", ["pre", yxrrset("ns.s.$zone A 73.80.65.49")]);
+
+section("Wildcards");
+test("NOERROR", ["update", rr_add("*.$zone 300 MX 10 mail.$zone")]);
+test("NOERROR", ["pre", yxrrset("*.$zone MX 10 mail.$zone")]);
+test("NXRRSET", ["pre", yxrrset("w.$zone MX 10 mail.$zone")]);
+test("NOERROR", ["pre", nxrrset("w.$zone MX")]);
+test("NOERROR", ["pre", nxdomain("w.$zone")]);
+
+
+section("SOA serial handling");
+
+my $soatimers = "20 20 1814400 3600";
+
+# Get the current SOA serial number.
+my $query = $res->query($zone, "SOA");
+my ($old_soa) = $query->answer;
+
+my $old_serial = $old_soa->serial;
+
+# Increment it by 10.
+my $new_serial = $old_serial + 10;
+if ($new_serial > 0xFFFFFFFF) {
+    $new_serial -= 0x80000000;
+    $new_serial -= 0x80000000;
+}
+
+# Replace the SOA with a new one.
+test("NOERROR", ["update", rr_add("$zone 300 SOA mname1. . $new_serial $soatimers")]);
+
+# Check that the SOA really got replaced.
+($db_soa) = $res->query($zone, "SOA")->answer;
+assert($db_soa->mname eq "mname1");
+
+# Check that attempts to decrement the serial number are ignored.
+$new_serial = $old_serial - 10;
+if ($new_serial < 0) {
+    $new_serial += 0x80000000;
+    $new_serial += 0x80000000;
+}
+test("NOERROR", ["update", rr_add("$zone 300 SOA mname2. . $new_serial $soatimers")]);
+assert($db_soa->mname eq "mname1");
+
+# Check that attempts to leave the serial number unchanged are ignored.
+($old_soa) = $res->query($zone, "SOA")->answer;
+$old_serial = $old_soa->serial;
+test("NOERROR", ["update", rr_add("$zone 300 SOA mname3. . $old_serial " .
+				  $soatimers)]);
+($db_soa) = $res->query($zone, "SOA")->answer;
+assert($db_soa->mname eq "mname1");
+
+#
+# Currently commented out because Net::DNS does not properly
+# support multiple strings in TXT records.
+#
+#section("Big data");
+#test("NOERROR", ["update", rr_add("a.$zone 300 TXT aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc")]);
+#test("NOERROR", ["update", rr_del("a.$zone TXT aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc")]);
+test("NOERROR", ["update", rr_add("a.$zone 300 TXT " . ("foo " x 3))]);
+
+section("Updating TTLs only");
+
+test("NOERROR", ["update", rr_add("t.$zone 300 A 73.80.65.49")]);
+($a) = $res->query("t.$zone", "A")->answer;
+$ttl = $a->ttl;
+assert($ttl == 300, "incorrect TTL value $ttl != 300");
+test("NOERROR", ["update",
+		 rr_del("t.$zone A 73.80.65.49"),
+		 rr_add("t.$zone 301 A 73.80.65.49")]);
+($a) = $res->query("t.$zone", "A")->answer;
+$ttl = $a->ttl;
+assert($ttl == 301, "incorrect TTL value $ttl != 301");
+
+# Add an RR that is identical to an existing one except for the TTL.
+# RFC2136 is not clear about what this should do; it says "duplicate RRs
+# will be silently ignored" but is an RR differing only in TTL
+# to be considered a duplicate or not?  The test assumes that it
+# should not be considered a duplicate.
+test("NOERROR", ["update", rr_add("t.$zone 302 A 73.80.65.50")]);
+($a) = $res->query("t.$zone", "A")->answer;
+$ttl = $a->ttl;
+assert($ttl == 302, "incorrect TTL value $ttl != 302");
+
+section("TTL normalization");
+
+# The desired behaviour is that the old RRs get their TTL
+# changed to match the new one.  RFC2136 does not explicitly
+# specify this, but I think it makes more sense than the
+# alternatives.
+
+test("NOERROR", ["update", rr_add("t.$zone 303 A 73.80.65.51")]);
+(@answers) = $res->query("t.$zone", "A")->answer;
+$nanswers = scalar @answers;
+assert($nanswers == 3, "wrong number of answers $nanswers != 3");
+foreach $a (@answers) {
+    $ttl = $a->ttl;
+    assert($ttl == 303, "incorrect TTL value $ttl != 303");
+}
+
+section("Obscuring existing data by zone cut");
+test("NOERROR", ["update", rr_add("a.u.$zone 300 A 73.80.65.49")]);
+test("NOERROR", ["update", rr_add("b.u.$zone 300 A 73.80.65.49")]);
+test("NOERROR", ["update", rr_add("u.$zone 300 TXT txt-not-in-nxt")]);
+test("NOERROR", ["update", rr_add("u.$zone 300 NS ns.u.$zone")]);
+
+test("NOERROR", ["update", rr_del("u.$zone NS ns.u.$zone")]);
+
+if ($Net::DNS::VERSION < 1.01) {
+    print "skipped Excessive NSEC3PARAM iterations; Net::DNS too old.\n";
+} else {
+    section("Excessive NSEC3PARAM iterations");
+    test("REFUSED", ["update", rr_add("$zone 300 NSEC3PARAM 1 0 151 -")]);
+    test("NOERROR", ["update", rr_add("$zone 300 NSEC3PARAM 1 0 150 -")]);
+}
+
+if ($failures) {
+    print "$failures tests failed.\n";
+} else {
+    print "All tests successful.\n";
+}
+exit $failures;
diff --git a/bin/tests/system/nsupdate/verylarge.in b/bin/tests/system/nsupdate/verylarge.in
new file mode 100644
index 0000000..2e66221
--- /dev/null
+++ b/bin/tests/system/nsupdate/verylarge.in
@@ -0,0 +1,3 @@
+server 10.53.0.1 @PORT@
+update add txt.update.nil. 600 TXT 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 1234567890 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+send
diff --git a/bin/tests/system/nzd2nzf/clean.sh b/bin/tests/system/nzd2nzf/clean.sh
new file mode 100644
index 0000000..9b826ca
--- /dev/null
+++ b/bin/tests/system/nzd2nzf/clean.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ./*/named.conf
+rm -f ./*/named.run
+rm -f ./*/named.memstats
+rm -f dig.out.*
+rm -f rndc.out*
+rm -f ns*/*.nzf
+rm -f ns*/*.nzd ns*/*.nzd-lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/nzd2nzf/ns1/added.db b/bin/tests/system/nzd2nzf/ns1/added.db
new file mode 100644
index 0000000..286e717
--- /dev/null
+++ b/bin/tests/system/nzd2nzf/ns1/added.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;$ORIGIN added.example.
+$TTL 300	; 5 minutes
+@                       IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+			MX	10 mail
+
+a			A	10.0.0.1
+mail			A	10.0.0.2
diff --git a/bin/tests/system/nzd2nzf/ns1/named.conf.in b/bin/tests/system/nzd2nzf/ns1/named.conf.in
new file mode 100644
index 0000000..91ebc66
--- /dev/null
+++ b/bin/tests/system/nzd2nzf/ns1/named.conf.in
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	allow-query { any; };
+	recursion no;
+	allow-new-zones yes;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
diff --git a/bin/tests/system/nzd2nzf/prereq.sh b/bin/tests/system/nzd2nzf/prereq.sh
new file mode 100644
index 0000000..7c9e25d
--- /dev/null
+++ b/bin/tests/system/nzd2nzf/prereq.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$FEATURETEST --with-lmdb || {
+	echo_i "This test requires LMDB support." >&2
+	exit 255
+}
+exit 0
diff --git a/bin/tests/system/nzd2nzf/setup.sh b/bin/tests/system/nzd2nzf/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/nzd2nzf/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/nzd2nzf/tests.sh b/bin/tests/system/nzd2nzf/tests.sh
new file mode 100644
index 0000000..2cfc58f
--- /dev/null
+++ b/bin/tests/system/nzd2nzf/tests.sh
@@ -0,0 +1,85 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+dig_with_opts() {
+    "$DIG" -p "${PORT}" "$@"
+}
+
+rndccmd() {
+    "$RNDC" -c ../common/rndc.conf -p "${CONTROLPORT}" -s "$@"
+}
+
+status=0
+n=0
+
+n=$((n+1))
+echo_i "querying for non-existing zone data ($n)"
+ret=0
+dig_with_opts @10.53.0.1 a.added.example a > dig.out.ns1.$n || ret=1
+grep 'status: REFUSED' dig.out.ns1.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "adding a new zone into default NZD using rndc addzone ($n)"
+rndccmd 10.53.0.1 addzone 'added.example { type primary; file "added.db"; };' 2>&1 | sed 's/^/I:ns1 /' | cat_i
+sleep 2
+
+n=$((n+1))
+echo_i "querying for existing zone data ($n)"
+ret=0
+dig_with_opts @10.53.0.1 a.added.example a > dig.out.ns1.$n || ret=1
+grep 'status: NOERROR' dig.out.ns1.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "stopping ns1"
+stop_server ns1
+
+n=$((n+1))
+echo_i "dumping _default.nzd to _default.nzf ($n)"
+$NZD2NZF ns1/_default.nzd > ns1/_default.nzf || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that _default.nzf contains the expected content ($n)"
+grep 'zone "added.example" { type primary; file "added.db"; };' ns1/_default.nzf > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "deleting _default.nzd database"
+rm -f ns1/_default.nzd
+
+echo_i "starting ns1 which should migrate the .nzf to .nzd"
+start_server --noclean --restart --port ${PORT} ns1
+
+n=$((n+1))
+echo_i "querying for zone data from migrated zone config ($n)"
+# retry loop in case the server restart above causes transient failures
+_do_query() (
+    dig_with_opts @10.53.0.1 a.added.example a > dig.out.ns1.$n &&
+    grep 'status: NOERROR' dig.out.ns1.$n > /dev/null
+)
+ret=0
+retry_quiet "10" _do_query || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+exit $status
diff --git a/bin/tests/system/nzd2nzf/tests_sh_nzd2nzf.py b/bin/tests/system/nzd2nzf/tests_sh_nzd2nzf.py
new file mode 100644
index 0000000..b030451
--- /dev/null
+++ b/bin/tests/system/nzd2nzf/tests_sh_nzd2nzf.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_nzd2nzf(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/org.isc.bind.system b/bin/tests/system/org.isc.bind.system
new file mode 100644
index 0000000..6c5a8cd
--- /dev/null
+++ b/bin/tests/system/org.isc.bind.system
@@ -0,0 +1,29 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# see also ifconfig.sh.in and testsock.pl
+
+ifup() {
+	/sbin/ifconfig lo0 10.53.$1.$3 alias
+	/sbin/ifconfig lo0 inet6 fd92:7065:b8e:${2}ff::${3} alias
+}
+
+for ns in 1 2 3 4 5 6 7 8 9 10 11
+do
+	ifup 0 ff $ns
+done
+for ns in 1 2
+do
+	ifup 1 99 $ns
+	ifup 2 00 $ns
+done
diff --git a/bin/tests/system/org.isc.bind.system.plist b/bin/tests/system/org.isc.bind.system.plist
new file mode 100644
index 0000000..18d3c5d
--- /dev/null
+++ b/bin/tests/system/org.isc.bind.system.plist
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN"
+	"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>Label</key>
+	<string>org.isc.bind.system</string>
+	<key>ProgramArguments</key>
+	<array>
+		<string>/bin/bash</string>
+		<string>/Library/LaunchDaemons/org.isc.bind.system</string>
+	</array>
+	<key>RunAtLoad</key>
+	<true/>
+</dict>
+</plist>
+
diff --git a/bin/tests/system/packet.pl b/bin/tests/system/packet.pl
new file mode 100644
index 0000000..900a0c0
--- /dev/null
+++ b/bin/tests/system/packet.pl
@@ -0,0 +1,164 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# This is a tool for sending an arbitrary packet via UDP or TCP to an
+# arbitrary address and port.  The packet is specified in a file or on
+# the standard input, in the form of a series of bytes in hexadecimal.
+# Whitespace is ignored, as is anything following a '#' symbol.
+#
+# For example, the following input would generate normal query for
+# isc.org/NS/IN":
+#
+#     # QID:
+#     0c d8
+#     # header:
+#     01 00 00 01 00 00 00 00 00 00
+#     # qname isc.org:
+#     03 69 73 63 03 6f 72 67 00
+#     # qtype NS:
+#     00 02
+#     # qclass IN:
+#     00 01
+#
+# Note that we do not wait for a response for the server.  This is simply
+# a way of injecting arbitrary packets to test server resposnes.
+#
+# Usage: packet.pl [-a <address>] [-d] [-p <port>] [-t (udp|tcp)] [-r <repeats>] [filename]
+#
+# Options:
+# -a <address>:  specify address (XXX: no IPv6 support yet)
+# -p <port>:     specify port
+# -t <protocol>: specify UDP or TCP
+# -r <num>:      send packet <num> times
+# -d:            dump response packets
+#
+# If not specified, address defaults to 127.0.0.1, port to 53, protocol
+# to udp, and file to stdin.
+
+require 5.006.001;
+
+use strict;
+use Getopt::Std;
+use IO::File;
+use IO::Socket;
+
+sub usage {
+    print ("Usage: packet.pl [-a address] [-d] [-p port] [-t (tcp|udp)] [-r <repeats>] [file]\n");
+    exit 1;
+}
+
+my $sock;
+my $proto;
+
+sub dumppacket {
+    use Net::DNS;
+    use Net::DNS::Packet;
+
+    my $rin;
+    my $rout;
+    $rin = '';
+    vec($rin, fileno($sock), 1) = 1;
+    select($rout = $rin, undef, undef, 1);
+    if (vec($rout, fileno($sock), 1)) {
+        my $buf;
+
+        if ($proto eq "udp") {
+            $sock->recv($buf, 512);
+        } else {
+            my $n = $sock->sysread($buf, 2);
+            return unless $n == 2;
+            my $len = unpack("n", $buf);
+            $n = $sock->sysread($buf, $len);
+            return unless $n == $len;
+        }
+
+        my $response;
+        if ($Net::DNS::VERSION > 0.68) {
+            $response = new Net::DNS::Packet(\$buf, 0);
+            $@ and die $@;
+        } else {
+            my $err;
+            ($response, $err) = new Net::DNS::Packet(\$buf, 0);
+            $err and die $err;
+        }
+        $response->print;
+    }
+}
+
+my %options={};
+getopts("a:dp:t:r:", \%options);
+
+my $addr = "127.0.0.1";
+$addr = $options{a} if defined $options{a};
+
+my $port = 53;
+$port = $options{p} if defined $options{p};
+
+$proto = "udp";
+$proto = lc $options{t} if defined $options{t};
+usage if ($proto !~ /^(udp|tcp)$/);
+
+my $repeats = 1;
+$repeats = $options{r} if defined $options{r};
+
+my $file = "STDIN";
+if (@ARGV >= 1) {
+    my $filename = shift @ARGV;
+    open FH, "<$filename" or die "$filename: $!";
+    $file = "FH";
+}
+
+my $input = "";
+while (defined(my $line = <$file>) ) {
+    chomp $line;
+    $line =~ s/#.*$//;
+    $input .= $line;
+}
+
+$input =~ s/\s+//g;
+my $data = pack("H*", $input);
+my $len = length $data;
+
+my $output = unpack("H*", $data);
+print ("sending $repeats time(s): $output\n");
+
+$sock = IO::Socket::INET->new(PeerAddr => $addr, PeerPort => $port,
+				 Blocking => 0,
+				 Proto => $proto,) or die "$!";
+
+STDOUT->autoflush(1);
+
+my $bytes = 0;
+while ($repeats > 0) {
+    if ($proto eq "udp") {
+	$bytes += $sock->send($data);
+    } else {
+	$bytes += $sock->syswrite(pack("n", $len), 2);
+	$bytes += $sock->syswrite($data, $len);
+    }
+
+    $repeats = $repeats - 1;
+
+    if ($repeats % 1000 == 0) {
+	print ".";
+    }
+}
+
+$sock->shutdown(SHUT_WR);
+if (defined $options{d}) {
+    dumppacket;
+}
+
+$sock->close;
+close $file;
+print ("\nsent $bytes bytes to $addr:$port\n");
diff --git a/bin/tests/system/padding/clean.sh b/bin/tests/system/padding/clean.sh
new file mode 100644
index 0000000..eef2174
--- /dev/null
+++ b/bin/tests/system/padding/clean.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out.*
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/named.stats
+rm -f ns*/named.stats.prev
+rm -f ns*/named.lock
+rm -f ns*/named.conf
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/padding/ns1/named.conf.in b/bin/tests/system/padding/ns1/named.conf.in
new file mode 100644
index 0000000..32dbf90
--- /dev/null
+++ b/bin/tests/system/padding/ns1/named.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/padding/ns1/root.db b/bin/tests/system/padding/ns1/root.db
new file mode 100644
index 0000000..17780d1
--- /dev/null
+++ b/bin/tests/system/padding/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/padding/ns2/example.db b/bin/tests/system/padding/ns2/example.db
new file mode 100644
index 0000000..f6a4b03
--- /dev/null
+++ b/bin/tests/system/padding/ns2/example.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	SOA	ns2 hostmaster.isc.org. 1 600 600 1200 600
+@ 	NS	ns2
+ns2 	A	10.53.0.2
+foo	A	10.53.1.1
diff --git a/bin/tests/system/padding/ns2/named.conf.in b/bin/tests/system/padding/ns2/named.conf.in
new file mode 100644
index 0000000..10ba86b
--- /dev/null
+++ b/bin/tests/system/padding/ns2/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	send-cookie yes;
+	response-padding { !10.53.0.8; any; } block-size 64;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/padding/ns3/named.conf.in b/bin/tests/system/padding/ns3/named.conf.in
new file mode 100644
index 0000000..a719249
--- /dev/null
+++ b/bin/tests/system/padding/ns3/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation no;
+};
+
+server 10.53.0.2 {
+	tcp-only yes;
+	padding 64;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/padding/ns4/named.conf.in b/bin/tests/system/padding/ns4/named.conf.in
new file mode 100644
index 0000000..6828f2a
--- /dev/null
+++ b/bin/tests/system/padding/ns4/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation no;
+};
+
+server 10.53.0.2 {
+	tcp-only no;
+	padding 64;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/padding/setup.sh b/bin/tests/system/padding/setup.sh
new file mode 100644
index 0000000..594ae98
--- /dev/null
+++ b/bin/tests/system/padding/setup.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL ./clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+
+touch ns2/named.stats
diff --git a/bin/tests/system/padding/tests.sh b/bin/tests/system/padding/tests.sh
new file mode 100644
index 0000000..c952537
--- /dev/null
+++ b/bin/tests/system/padding/tests.sh
@@ -0,0 +1,135 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+n=0
+status=0
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+getcookie() {
+	awk '$2 == "COOKIE:" {
+		print $3;
+	}' < $1
+}
+
+echo_i "checking that dig handles padding ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +qr +padding=128 foo.example @10.53.0.2 > dig.out.test$n
+grep "; PAD" dig.out.test$n > /dev/null || ret=1
+grep "; QUERY SIZE: 128" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that dig added padding ($n)"
+ret=0
+n=$((n + 1))
+nextpart ns2/named.stats > /dev/null
+$RNDCCMD 10.53.0.2 stats
+wait_for_log_peek 5 "--- Statistics Dump ---" ns2/named.stats || ret=1
+nextpart ns2/named.stats | grep "EDNS padding option received" > /dev/null || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that padding is added for TCP responses ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +vc +padding=128 foo.example @10.53.0.2 > dig.out.test$n
+grep "; PAD" dig.out.test$n > /dev/null || ret=1
+grep "rcvd: 128" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that padding is added to valid cookie responses ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +cookie foo.example @10.53.0.2 > dig.out.testc
+cookie=$(getcookie dig.out.testc)
+$DIG $DIGOPTS +cookie=$cookie +padding=128 foo.example @10.53.0.2 > dig.out.test$n
+grep "; PAD" dig.out.test$n > /dev/null || ret=1
+grep "rcvd: 128" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that padding must be requested (TCP) ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +vc foo.example @10.53.0.2 > dig.out.test$n
+grep "; PAD" dig.out.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that padding must be requested (valid cookie) ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +cookie=$cookie foo.example @10.53.0.2 > dig.out.test$n
+grep "; PAD" dig.out.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that padding can be filtered out ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +vc +padding=128 -b 10.53.0.8 foo.example @10.53.0.2 > dig.out.test$n
+grep "; PAD" dig.out.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that a TCP and padding server config enables padding ($n)"
+ret=0
+n=$((n + 1))
+nextpart ns2/named.stats > /dev/null
+$RNDCCMD 10.53.0.2 stats
+wait_for_log_peek 5 "--- Statistics Dump ---" ns2/named.stats || ret=1
+opad=$(nextpart ns2/named.stats | awk '/EDNS padding option received/ { print $1}')
+$DIG $DIGOPTS foo.example @10.53.0.3 > dig.out.test$n
+$RNDCCMD 10.53.0.2 stats
+wait_for_log_peek 5 "--- Statistics Dump ---" ns2/named.stats || ret=1
+npad=$(nextpart ns2/named.stats | awk '/EDNS padding option received/ { print $1}')
+if [ "$opad" -eq "$npad" ]; then echo_i "error: opad ($opad) == npad ($npad)"; ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that a padding server config should enforce TCP ($n)"
+ret=0
+n=$((n + 1))
+nextpart ns2/named.stats > /dev/null
+$RNDCCMD 10.53.0.2 stats
+wait_for_log_peek 5 "--- Statistics Dump ---" ns2/named.stats || ret=1
+opad=$(nextpart ns2/named.stats | awk '/EDNS padding option received/ { print $1}')
+$DIG $DIGOPTS foo.example @10.53.0.4 > dig.out.test$n
+$RNDCCMD 10.53.0.2 stats
+wait_for_log_peek 5 "--- Statistics Dump ---" ns2/named.stats || ret=1
+npad=$(nextpart ns2/named.stats | awk '/EDNS padding option received/ { print $1}')
+if [ "$opad" -ne "$npad" ]; then echo_i "error: opad ($opad) != npad ($npad)"; ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that zero-length padding option has no effect ($n)"
+ret=0
+n=$((n + 1))
+$DIG $DIGOPTS +qr +ednsopt=12 foo.example @10.53.0.2 > dig.out.test$n.1
+grep "; PAD" dig.out.test$n.1 > /dev/null || ret=1
+$DIG $DIGOPTS +qr +ednsopt=12:00 foo.example @10.53.0.2 > dig.out.test$n.2
+grep "; PAD" dig.out.test$n.2 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/padding/tests_sh_padding.py b/bin/tests/system/padding/tests_sh_padding.py
new file mode 100644
index 0000000..a2eec7c
--- /dev/null
+++ b/bin/tests/system/padding/tests_sh_padding.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_padding(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/parallel.sh b/bin/tests/system/parallel.sh
new file mode 100644
index 0000000..11a424f
--- /dev/null
+++ b/bin/tests/system/parallel.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ./conf.sh
+
+PARALLELS=$(echo "$PARALLELDIRS" | sed "s|\([^ ][^ ]*\)|test-\1|g;" | tr _ - | tr "\n" " ")
+
+echo ".PHONY: $PARALLELS"
+echo
+echo "check_interfaces:"
+echo "	@${PERL} testsock.pl > /dev/null 2>&1 || { \\"
+echo "		echo \"I:NOTE: System tests were skipped because they require the\"; \\"
+echo "		echo \"I:      test IP addresses 10.53.0.* to be configured as alias\"; \\"
+echo "		echo \"I:      addresses on the loopback interface.  Please run\"; \\"
+echo "		echo \"I:      \"bin/tests/system/ifconfig.sh up\" as root to configure them.\"; \\"
+echo "		exit 1; \\"
+echo "	}"
+echo
+echo "test check: $PARALLELS"
+for directory in $PARALLELDIRS ; do
+        echo
+        echo "test-$(echo "$directory" | tr _ -): check_interfaces"
+        echo "	@${SHELL} ./legacy.run.sh -r $directory 2>&1 | tee test.output.$directory"
+done
diff --git a/bin/tests/system/pending/clean.sh b/bin/tests/system/pending/clean.sh
new file mode 100644
index 0000000..89a4b5b
--- /dev/null
+++ b/bin/tests/system/pending/clean.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -rf */*.signed
+rm -rf */*.jnl
+rm -rf */K*
+rm -rf */dsset-*
+rm -rf */named.memstats
+rm -rf */named.run
+rm -rf */trusted.conf
+rm -rf ns1/root.db
+rm -rf ns2/example.db
+rm -rf ns2/example.com.db
+rm -rf nsupdate.out.test
+rm -f ns*/named.lock
+rm -f ns*/named.conf
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/pending/ns1/named.conf.in b/bin/tests/system/pending/ns1/named.conf.in
new file mode 100644
index 0000000..af5d628
--- /dev/null
+++ b/bin/tests/system/pending/ns1/named.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "trusted.conf";
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
diff --git a/bin/tests/system/pending/ns1/root.db.in b/bin/tests/system/pending/ns1/root.db.in
new file mode 100644
index 0000000..fe7fe92
--- /dev/null
+++ b/bin/tests/system/pending/ns1/root.db.in
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 30
+. 			IN SOA	marka.isc.org. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+example.com.		NS	ns2.example.com.
+ns2.example.com.	A	10.53.0.2
+hostile.		NS	ns3.hostile.
+ns3.hostile.		A	10.53.0.3
+nice.good.		A	10.10.10.10
diff --git a/bin/tests/system/pending/ns1/sign.sh b/bin/tests/system/pending/ns1/sign.sh
new file mode 100644
index 0000000..cb3662f
--- /dev/null
+++ b/bin/tests/system/pending/ns1/sign.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+(cd ../ns2 && $SHELL -e sign.sh )
+
+cp ../ns2/dsset-example. .
+cp ../ns2/dsset-example.com. .
+
+keyname1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -f KSK -n zone $zone)
+cat $infile $keyname1.key $keyname2.key > $zonefile
+
+$SIGNER -g -o $zone $zonefile > /dev/null
+
+# Configure the resolving server with a static key.
+keyfile_to_static_ds $keyname2 > trusted.conf
+cp trusted.conf ../ns2/trusted.conf
+cp trusted.conf ../ns3/trusted.conf
+cp trusted.conf ../ns4/trusted.conf
diff --git a/bin/tests/system/pending/ns2/example.com.db.in b/bin/tests/system/pending/ns2/example.com.db.in
new file mode 100644
index 0000000..ee3a1b8
--- /dev/null
+++ b/bin/tests/system/pending/ns2/example.com.db.in
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 30
+@			IN SOA	mname1. . (
+				2009110300 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			MX	10 mail
+ns2			A	10.53.0.2
+mail			A	192.0.2.2
+			AAAA	2001:db8::2
+pending-ok		A	192.0.2.2
+pending-ng		A	192.0.2.102
+removed			A	10.9.8.7
diff --git a/bin/tests/system/pending/ns2/example.db.in b/bin/tests/system/pending/ns2/example.db.in
new file mode 100644
index 0000000..5b42e2a
--- /dev/null
+++ b/bin/tests/system/pending/ns2/example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 30
+$ORIGIN example.
+@			IN SOA	mname1. . (
+				2009110300 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			MX	10 mail
+ns2			A	10.53.0.2
+mail			A	10.0.0.2
+bad			CNAME	nice.good.
+worse                   A       6.6.6.6
diff --git a/bin/tests/system/pending/ns2/forgery.db b/bin/tests/system/pending/ns2/forgery.db
new file mode 100644
index 0000000..fbf42bc
--- /dev/null
+++ b/bin/tests/system/pending/ns2/forgery.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 30
+$ORIGIN good.
+@			IN SOA	mname1. . (
+				2009110300 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
+
+nice.good.		CNAME	worse.example.
diff --git a/bin/tests/system/pending/ns2/named.conf.in b/bin/tests/system/pending/ns2/named.conf.in
new file mode 100644
index 0000000..59824df
--- /dev/null
+++ b/bin/tests/system/pending/ns2/named.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+include "trusted.conf";
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db.signed";
+};
+
+zone "example.com" {
+	type primary;
+	file "example.com.db.signed";
+	allow-update { 10.53.0.0/16; };
+};
+
+zone "good" {
+	type primary;
+	file "forgery.db";
+	allow-query { any; };
+};
diff --git a/bin/tests/system/pending/ns2/sign.sh b/bin/tests/system/pending/ns2/sign.sh
new file mode 100644
index 0000000..4965f85
--- /dev/null
+++ b/bin/tests/system/pending/ns2/sign.sh
@@ -0,0 +1,33 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+for domain in example example.com; do
+	zone=${domain}.
+	infile=${domain}.db.in
+	zonefile=${domain}.db
+
+	keyname1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+	keyname2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -f KSK -n zone $zone)
+
+	cat $infile $keyname1.key $keyname2.key > $zonefile
+
+	$SIGNER -3 bebe -o $zone $zonefile > /dev/null
+done
+
+# remove "removed" record from example.com, causing the server to
+# send an apparently-invalid NXDOMAIN
+sed '/^removed/d' example.com.db.signed > example.com.db.new
+rm -f example.com.db.signed
+mv example.com.db.new example.com.db.signed
diff --git a/bin/tests/system/pending/ns3/hostile.db b/bin/tests/system/pending/ns3/hostile.db
new file mode 100644
index 0000000..a199922
--- /dev/null
+++ b/bin/tests/system/pending/ns3/hostile.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 30
+@			IN SOA	mname1. . (
+				2009110500 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns3
+			MX	10 mail.example.
+ns3			A	10.53.0.3
diff --git a/bin/tests/system/pending/ns3/mail.example.db b/bin/tests/system/pending/ns3/mail.example.db
new file mode 100644
index 0000000..77eb731
--- /dev/null
+++ b/bin/tests/system/pending/ns3/mail.example.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 30
+@			IN SOA	mname1. . (
+				2009110300 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@			NS	ns3
+ns3			A	10.53.0.3
+;mail			A	10.0.0.2	// the correct record
+@			A	10.0.0.3
diff --git a/bin/tests/system/pending/ns3/named.conf.in b/bin/tests/system/pending/ns3/named.conf.in
new file mode 100644
index 0000000..29afd19
--- /dev/null
+++ b/bin/tests/system/pending/ns3/named.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+include "trusted.conf";
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify no;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "mail.example" {
+	type primary;
+	file "mail.example.db";
+};
+
+zone "hostile" {
+	type primary;
+	file "hostile.db";
+};
diff --git a/bin/tests/system/pending/ns4/named.conf.in b/bin/tests/system/pending/ns4/named.conf.in
new file mode 100644
index 0000000..dfb5541
--- /dev/null
+++ b/bin/tests/system/pending/ns4/named.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "trusted.conf";
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/pending/setup.sh b/bin/tests/system/pending/setup.sh
new file mode 100644
index 0000000..bf57f90
--- /dev/null
+++ b/bin/tests/system/pending/setup.sh
@@ -0,0 +1,23 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+
+cd ns1 && $SHELL -e sign.sh
diff --git a/bin/tests/system/pending/tests.sh b/bin/tests/system/pending/tests.sh
new file mode 100644
index 0000000..362cef3
--- /dev/null
+++ b/bin/tests/system/pending/tests.sh
@@ -0,0 +1,200 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+# replace_data dname RR old_data new_data
+replace_data()
+{
+	if [ $# -ne 4 ]; then
+		echo_i "unexpected input for replace_data"
+		return 1
+	fi
+
+	_dname=$1
+	_rr=$2
+	_olddata=$3
+	_newdata=$4
+
+	_ret=0
+	$NSUPDATE -d <<END >> nsupdate.out.test 2>&1 || _ret=1
+server 10.53.0.2 ${PORT}
+update delete ${_dname} 30 ${_rr} ${_olddata}
+update add ${_dname} 30 ${_rr} ${_newdata}
+send
+END
+
+	if [ $_ret != 0 ]; then
+		echo_i "failed to update the test data"
+		return 1
+	fi
+
+	return 0
+}
+
+status=0
+n=0
+
+DIGOPTS="+short +tcp -p ${PORT}"
+DIGOPTS_CD="$DIGOPTS +cd"
+
+echo_i "Priming cache."
+ret=0
+expect="10 mail.example."
+ans=$($DIG $DIGOPTS_CD @10.53.0.4 hostile MX) || ret=1
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+echo_i "Checking that bogus additional is not returned with +CD."
+ret=0
+expect="10.0.0.2"
+ans=$($DIG $DIGOPTS_CD @10.53.0.4 mail.example A) || ret=1
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+#
+# Prime cache with pending additional records.  These should not be promoted
+# to answer.
+#
+echo_i "Priming cache (pending additional A and AAAA)"
+ret=0
+expect="10 mail.example.com."
+ans=$($DIG $DIGOPTS @10.53.0.4 example.com MX) || ret=1
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+echo_i "Replacing pending A"
+ret=0
+replace_data mail.example.com. A 192.0.2.2 192.0.2.3 || ret=1
+status=$((status + ret))
+
+echo_i "Replacing pending AAAA"
+ret=0
+replace_data mail.example.com. AAAA 2001:db8::2 2001:db8::3 || ret=1
+status=$((status + ret))
+
+echo_i "Checking updated data to be returned (without CD)"
+ret=0
+expect="192.0.2.3"
+ans=$($DIG $DIGOPTS @10.53.0.4 mail.example.com A) || ret=1
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+echo_i "Checking updated data to be returned (with CD)"
+ret=0
+expect="2001:db8::3"
+ans=$($DIG $DIGOPTS_CD @10.53.0.4 mail.example.com AAAA) || ret=1
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+#
+# Prime cache with a pending answer record.  It can be returned (without
+# validation) with +CD.
+#
+echo_i "Priming cache (pending answer)"
+ret=0
+expect="192.0.2.2"
+ans=$($DIG $DIGOPTS_CD @10.53.0.4 pending-ok.example.com A) || ret=1
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+echo_i "Replacing pending data"
+ret=0
+replace_data pending-ok.example.com. A 192.0.2.2 192.0.2.3 || ret=1
+status=$((status + ret))
+
+echo_i "Confirming cached pending data to be returned with CD"
+ret=0
+expect="192.0.2.2"
+ans=$($DIG $DIGOPTS_CD @10.53.0.4 pending-ok.example.com A) || ret=1
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+#
+# Prime cache with a pending answer record.  It should not be returned
+# to no-DNSSEC clients.
+#
+echo_i "Priming cache (pending answer)"
+ret=0
+expect="192.0.2.102"
+ans=$($DIG $DIGOPTS_CD @10.53.0.4 pending-ng.example.com A) || ret=1
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+echo_i "Replacing pending data"
+ret=0
+replace_data pending-ng.example.com. A 192.0.2.102 192.0.2.103 || ret=1
+status=$((status + ret))
+
+echo_i "Confirming updated data returned, not the cached one, without CD"
+ret=0
+expect="192.0.2.103"
+ans=$($DIG $DIGOPTS @10.53.0.4 pending-ng.example.com A) || ret=1
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+#
+# Try to fool the resolver with an out-of-bailiwick CNAME
+#
+echo_i "Trying to Prime out-of-bailiwick pending answer with CD"
+ret=0
+expect="10.10.10.10"
+ans=$($DIG $DIGOPTS_CD @10.53.0.4 bad.example. A) || ret=1
+ans=$(echo $ans | awk '{print $NF}')
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+echo_i "Confirming the out-of-bailiwick answer is not cached or reused with CD"
+ret=0
+expect="10.10.10.10"
+ans=$($DIG $DIGOPTS_CD @10.53.0.4 nice.good. A) || ret=1
+ans=$(echo $ans | awk '{print $NF}')
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+#
+# Make sure the resolver doesn't cache bogus NXDOMAIN
+#
+echo_i "Trying to Prime bogus NXDOMAIN"
+ret=0
+expect="SERVFAIL"
+ans=$($DIG +tcp -p ${PORT} @10.53.0.4 removed.example.com. A) || ret=1
+ans=$(echo $ans | sed 's/^.*status: \([A-Z][A-Z]*\).*$/\1/')
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+echo_i "Confirming the bogus NXDOMAIN was not cached"
+ret=0
+expect="SERVFAIL"
+ans=$($DIG +tcp -p ${PORT} @10.53.0.4 removed.example.com. A) || ret=1
+ans=$(echo $ans | sed 's/^.*status: \([A-Z][A-Z]*\).*$/\1/')
+test "$ans" = "$expect" || ret=1
+test $ret = 0 || echo_i "failed, got '$ans', expected '$expect'"
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/pending/tests_sh_pending.py b/bin/tests/system/pending/tests_sh_pending.py
new file mode 100644
index 0000000..54b5afb
--- /dev/null
+++ b/bin/tests/system/pending/tests_sh_pending.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_pending(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/pipelined/ans5/ans.py b/bin/tests/system/pipelined/ans5/ans.py
new file mode 100644
index 0000000..bac5ed3
--- /dev/null
+++ b/bin/tests/system/pipelined/ans5/ans.py
@@ -0,0 +1,212 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+############################################################################
+#
+# This tool acts as a TCP/UDP proxy and delays all incoming packets by 500
+# milliseconds.
+#
+# We use it to check pipelining - a client sents 8 questions over a
+# pipelined connection - that require asking a normal (examplea) and a
+# slow-responding (exampleb) servers:
+# a.examplea
+# a.exampleb
+# b.examplea
+# b.exampleb
+# c.examplea
+# c.exampleb
+# d.examplea
+# d.exampleb
+#
+# If pipelining works properly the answers will be returned out of order
+# with all answers from examplea returned first, and then all answers
+# from exampleb.
+#
+############################################################################
+
+from __future__ import print_function
+
+import datetime
+import os
+import select
+import signal
+import socket
+import sys
+import time
+import threading
+import struct
+
+DELAY = 0.5
+THREADS = []
+
+
+def log(msg):
+    print(datetime.datetime.now().strftime("%d-%b-%Y %H:%M:%S.%f ") + msg)
+
+
+def sigterm(*_):
+    log("SIGTERM received, shutting down")
+    for thread in THREADS:
+        thread.close()
+        thread.join()
+    os.remove("ans.pid")
+    sys.exit(0)
+
+
+class TCPDelayer(threading.Thread):
+    """For a given TCP connection conn we open a connection to (ip, port),
+    and then we delay each incoming packet by DELAY by putting it in a
+    queue.
+    In the pipelined test TCP should not be used, but it's here for
+    completnes.
+    """
+
+    def __init__(self, conn, ip, port):
+        threading.Thread.__init__(self)
+        self.conn = conn
+        self.cconn = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.cconn.connect((ip, port))
+        self.queue = []
+        self.running = True
+
+    def close(self):
+        self.running = False
+
+    def run(self):
+        while self.running:
+            curr_timeout = 0.5
+            try:
+                curr_timeout = self.queue[0][0] - time.time()
+            except StopIteration:
+                pass
+            if curr_timeout > 0:
+                if curr_timeout == 0:
+                    curr_timeout = 0.5
+                rfds, _, _ = select.select(
+                    [self.conn, self.cconn], [], [], curr_timeout
+                )
+                if self.conn in rfds:
+                    data = self.conn.recv(65535)
+                    if not data:
+                        return
+                    self.queue.append((time.time() + DELAY, data))
+                if self.cconn in rfds:
+                    data = self.cconn.recv(65535)
+                    if not data == 0:
+                        return
+                    self.conn.send(data)
+            try:
+                while self.queue[0][0] - time.time() < 0:
+                    _, data = self.queue.pop(0)
+                    self.cconn.send(data)
+            except StopIteration:
+                pass
+
+
+class UDPDelayer(threading.Thread):
+    """Every incoming UDP packet is put in a queue for DELAY time, then
+    it's sent to (ip, port). We remember the query id to send the
+    response we get to a proper source, responses are not delayed.
+    """
+
+    def __init__(self, usock, ip, port):
+        threading.Thread.__init__(self)
+        self.sock = usock
+        self.csock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        self.dst = (ip, port)
+        self.queue = []
+        self.qid_mapping = {}
+        self.running = True
+
+    def close(self):
+        self.running = False
+
+    def run(self):
+        while self.running:
+            curr_timeout = 0.5
+            if self.queue:
+                curr_timeout = self.queue[0][0] - time.time()
+            if curr_timeout >= 0:
+                if curr_timeout == 0:
+                    curr_timeout = 0.5
+                rfds, _, _ = select.select(
+                    [self.sock, self.csock], [], [], curr_timeout
+                )
+                if self.sock in rfds:
+                    data, addr = self.sock.recvfrom(65535)
+                    if not data:
+                        return
+                    self.queue.append((time.time() + DELAY, data))
+                    qid = struct.unpack(">H", data[:2])[0]
+                    log("Received a query from %s, queryid %d" % (str(addr), qid))
+                    self.qid_mapping[qid] = addr
+                if self.csock in rfds:
+                    data, addr = self.csock.recvfrom(65535)
+                    if not data:
+                        return
+                    qid = struct.unpack(">H", data[:2])[0]
+                    dst = self.qid_mapping.get(qid)
+                    if dst is not None:
+                        self.sock.sendto(data, dst)
+                        log(
+                            "Received a response from %s, queryid %d, sending to %s"
+                            % (str(addr), qid, str(dst))
+                        )
+            while self.queue and self.queue[0][0] - time.time() < 0:
+                _, data = self.queue.pop(0)
+                qid = struct.unpack(">H", data[:2])[0]
+                log("Sending a query to %s, queryid %d" % (str(self.dst), qid))
+                self.csock.sendto(data, self.dst)
+
+
+def main():
+    signal.signal(signal.SIGTERM, sigterm)
+    signal.signal(signal.SIGINT, sigterm)
+
+    with open("ans.pid", "w") as pidfile:
+        print(os.getpid(), file=pidfile)
+
+    listenip = "10.53.0.5"
+    serverip = "10.53.0.2"
+
+    try:
+        port = int(os.environ["PORT"])
+    except KeyError:
+        port = 5300
+
+    log("Listening on %s:%d" % (listenip, port))
+
+    usock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    usock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    usock.bind((listenip, port))
+    thread = UDPDelayer(usock, serverip, port)
+    thread.start()
+    THREADS.append(thread)
+
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    sock.bind((listenip, port))
+    sock.listen(1)
+    sock.settimeout(1)
+
+    while True:
+        try:
+            (clientsock, _) = sock.accept()
+            log("Accepted connection from %s" % clientsock)
+            thread = TCPDelayer(clientsock, serverip, port)
+            thread.start()
+            THREADS.append(thread)
+        except socket.timeout:
+            pass
+
+
+if __name__ == "__main__":
+    main()
diff --git a/bin/tests/system/pipelined/clean.sh b/bin/tests/system/pipelined/clean.sh
new file mode 100644
index 0000000..12c1733
--- /dev/null
+++ b/bin/tests/system/pipelined/clean.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */named.conf
+rm -f */named.memstats
+rm -f */named.run
+rm -f raw* output*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/pipelined/input b/bin/tests/system/pipelined/input
new file mode 100644
index 0000000..485cf81
--- /dev/null
+++ b/bin/tests/system/pipelined/input
@@ -0,0 +1,8 @@
+a.examplea
+a.exampleb
+b.examplea
+b.exampleb
+c.examplea
+c.exampleb
+d.examplea
+d.exampleb
diff --git a/bin/tests/system/pipelined/inputb b/bin/tests/system/pipelined/inputb
new file mode 100644
index 0000000..6ea367e
--- /dev/null
+++ b/bin/tests/system/pipelined/inputb
@@ -0,0 +1,8 @@
+e.examplea
+e.exampleb
+f.examplea
+f.exampleb
+g.examplea
+g.exampleb
+h.examplea
+h.exampleb
diff --git a/bin/tests/system/pipelined/ns1/named.conf.in b/bin/tests/system/pipelined/ns1/named.conf.in
new file mode 100644
index 0000000..6cfac77
--- /dev/null
+++ b/bin/tests/system/pipelined/ns1/named.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/pipelined/ns1/root.db b/bin/tests/system/pipelined/ns1/root.db
new file mode 100644
index 0000000..f2819a1
--- /dev/null
+++ b/bin/tests/system/pipelined/ns1/root.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+examplea.		NS	ns2.examplea.
+ns2.examplea.		A	10.53.0.5
+
+exampleb.		NS	ns3.exampleb.
+ns3.exampleb.		A	10.53.0.3
diff --git a/bin/tests/system/pipelined/ns2/examplea.db b/bin/tests/system/pipelined/ns2/examplea.db
new file mode 100644
index 0000000..1be2d11
--- /dev/null
+++ b/bin/tests/system/pipelined/ns2/examplea.db
@@ -0,0 +1,32 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+examplea		IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+examplea.		NS	ns2.examplea.
+ns2.examplea.		A	10.53.0.5
+
+$ORIGIN examplea.
+a			A	10.0.1.1
+b			A	10.0.1.2
+c			A	10.0.1.3
+d			A	10.0.1.4
+e			A	10.0.1.5
+f			A	10.0.1.6
+g			A	10.0.1.7
+h			A	10.0.1.8
diff --git a/bin/tests/system/pipelined/ns2/named.conf.in b/bin/tests/system/pipelined/ns2/named.conf.in
new file mode 100644
index 0000000..3679e97
--- /dev/null
+++ b/bin/tests/system/pipelined/ns2/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "examplea" {
+	type primary;
+	file "examplea.db";
+	allow-update { any; };
+};
diff --git a/bin/tests/system/pipelined/ns3/exampleb.db b/bin/tests/system/pipelined/ns3/exampleb.db
new file mode 100644
index 0000000..91b94c3
--- /dev/null
+++ b/bin/tests/system/pipelined/ns3/exampleb.db
@@ -0,0 +1,32 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+exampleb		IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+exampleb.		NS	ns3.exampleb.
+ns3.exampleb.		A	10.53.0.3
+
+$ORIGIN exampleb.
+a			A	10.0.2.1
+b			A	10.0.2.2
+c			A	10.0.2.3
+d			A	10.0.2.4
+e			A	10.0.2.5
+f			A	10.0.2.6
+g			A	10.0.2.7
+h			A	10.0.2.8
diff --git a/bin/tests/system/pipelined/ns3/named.conf.in b/bin/tests/system/pipelined/ns3/named.conf.in
new file mode 100644
index 0000000..d8943d5
--- /dev/null
+++ b/bin/tests/system/pipelined/ns3/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "exampleb" {
+	type primary;
+	file "exampleb.db";
+	allow-update { any; };
+};
diff --git a/bin/tests/system/pipelined/ns4/named.conf.in b/bin/tests/system/pipelined/ns4/named.conf.in
new file mode 100644
index 0000000..5d4be1c
--- /dev/null
+++ b/bin/tests/system/pipelined/ns4/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	keep-response-order { 10.53.0.7/32; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/pipelined/pipequeries.c b/bin/tests/system/pipelined/pipequeries.c
new file mode 100644
index 0000000..7419d22
--- /dev/null
+++ b/bin/tests/system/pipelined/pipequeries.c
@@ -0,0 +1,303 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <isc/app.h>
+#include <isc/base64.h>
+#include <isc/commandline.h>
+#include <isc/hash.h>
+#include <isc/log.h>
+#include <isc/managers.h>
+#include <isc/mem.h>
+#include <isc/net.h>
+#include <isc/netmgr.h>
+#include <isc/parseint.h>
+#include <isc/print.h>
+#include <isc/result.h>
+#include <isc/sockaddr.h>
+#include <isc/task.h>
+#include <isc/util.h>
+
+#include <dns/dispatch.h>
+#include <dns/events.h>
+#include <dns/fixedname.h>
+#include <dns/message.h>
+#include <dns/name.h>
+#include <dns/rdataset.h>
+#include <dns/request.h>
+#include <dns/resolver.h>
+#include <dns/result.h>
+#include <dns/types.h>
+#include <dns/view.h>
+
+#define CHECK(str, x)                                        \
+	{                                                    \
+		if ((x) != ISC_R_SUCCESS) {                  \
+			fprintf(stderr, "I:%s: %s\n", (str), \
+				isc_result_totext(x));       \
+			exit(-1);                            \
+		}                                            \
+	}
+
+#define RUNCHECK(x) RUNTIME_CHECK((x) == ISC_R_SUCCESS)
+
+#define PORT	5300
+#define TIMEOUT 30
+
+static isc_mem_t *mctx = NULL;
+static dns_requestmgr_t *requestmgr = NULL;
+static bool have_src = false;
+static isc_sockaddr_t srcaddr;
+static isc_sockaddr_t dstaddr;
+static int onfly;
+
+static void
+recvresponse(isc_task_t *task, isc_event_t *event) {
+	dns_requestevent_t *reqev = (dns_requestevent_t *)event;
+	isc_result_t result;
+	dns_message_t *query = NULL;
+	dns_message_t *response = NULL;
+	isc_buffer_t outbuf;
+	char output[1024];
+
+	UNUSED(task);
+
+	REQUIRE(reqev != NULL);
+
+	if (reqev->result != ISC_R_SUCCESS) {
+		fprintf(stderr, "I:request event result: %s\n",
+			isc_result_totext(reqev->result));
+		exit(-1);
+	}
+
+	query = reqev->ev_arg;
+
+	dns_message_create(mctx, DNS_MESSAGE_INTENTPARSE, &response);
+
+	result = dns_request_getresponse(reqev->request, response,
+					 DNS_MESSAGEPARSE_PRESERVEORDER);
+	CHECK("dns_request_getresponse", result);
+
+	if (response->rcode != dns_rcode_noerror) {
+		result = dns_result_fromrcode(response->rcode);
+		fprintf(stderr, "I:response rcode: %s\n",
+			isc_result_totext(result));
+		exit(-1);
+	}
+	if (response->counts[DNS_SECTION_ANSWER] != 1U) {
+		fprintf(stderr, "I:response answer count (%u!=1)\n",
+			response->counts[DNS_SECTION_ANSWER]);
+	}
+
+	isc_buffer_init(&outbuf, output, sizeof(output));
+	result = dns_message_sectiontotext(
+		response, DNS_SECTION_ANSWER, &dns_master_style_simple,
+		DNS_MESSAGETEXTFLAG_NOCOMMENTS, &outbuf);
+	CHECK("dns_message_sectiontotext", result);
+	printf("%.*s", (int)isc_buffer_usedlength(&outbuf),
+	       (char *)isc_buffer_base(&outbuf));
+	fflush(stdout);
+
+	dns_message_detach(&query);
+	dns_message_detach(&response);
+	dns_request_destroy(&reqev->request);
+	isc_event_free(&event);
+
+	if (--onfly == 0) {
+		isc_app_shutdown();
+	}
+	return;
+}
+
+static isc_result_t
+sendquery(isc_task_t *task) {
+	dns_request_t *request = NULL;
+	dns_message_t *message = NULL;
+	dns_name_t *qname = NULL;
+	dns_rdataset_t *qrdataset = NULL;
+	isc_result_t result;
+	dns_fixedname_t queryname;
+	isc_buffer_t buf;
+	static char host[256];
+	int c;
+
+	c = scanf("%255s", host);
+	if (c == EOF) {
+		return (ISC_R_NOMORE);
+	}
+
+	onfly++;
+
+	dns_fixedname_init(&queryname);
+	isc_buffer_init(&buf, host, strlen(host));
+	isc_buffer_add(&buf, strlen(host));
+	result = dns_name_fromtext(dns_fixedname_name(&queryname), &buf,
+				   dns_rootname, 0, NULL);
+	CHECK("dns_name_fromtext", result);
+
+	dns_message_create(mctx, DNS_MESSAGE_INTENTRENDER, &message);
+
+	message->opcode = dns_opcode_query;
+	message->flags |= DNS_MESSAGEFLAG_RD;
+	message->rdclass = dns_rdataclass_in;
+	message->id = (unsigned short)(random() & 0xFFFF);
+
+	result = dns_message_gettempname(message, &qname);
+	CHECK("dns_message_gettempname", result);
+
+	result = dns_message_gettemprdataset(message, &qrdataset);
+	CHECK("dns_message_gettemprdataset", result);
+
+	dns_name_clone(dns_fixedname_name(&queryname), qname);
+	dns_rdataset_makequestion(qrdataset, dns_rdataclass_in,
+				  dns_rdatatype_a);
+	ISC_LIST_APPEND(qname->list, qrdataset, link);
+	dns_message_addname(message, qname, DNS_SECTION_QUESTION);
+
+	result = dns_request_create(requestmgr, message,
+				    have_src ? &srcaddr : NULL, &dstaddr,
+				    DNS_REQUESTOPT_TCP, NULL, TIMEOUT, 0, 0,
+				    task, recvresponse, message, &request);
+	CHECK("dns_request_create", result);
+
+	return (ISC_R_SUCCESS);
+}
+
+static void
+sendqueries(isc_task_t *task, isc_event_t *event) {
+	isc_result_t result;
+
+	isc_event_free(&event);
+
+	do {
+		result = sendquery(task);
+	} while (result == ISC_R_SUCCESS);
+
+	if (onfly == 0) {
+		isc_app_shutdown();
+	}
+	return;
+}
+
+int
+main(int argc, char *argv[]) {
+	isc_sockaddr_t bind_any;
+	struct in_addr inaddr;
+	isc_result_t result;
+	isc_log_t *lctx = NULL;
+	isc_logconfig_t *lcfg = NULL;
+	isc_nm_t *netmgr = NULL;
+	isc_taskmgr_t *taskmgr = NULL;
+	isc_task_t *task = NULL;
+	dns_dispatchmgr_t *dispatchmgr = NULL;
+	dns_dispatch_t *dispatchv4 = NULL;
+	dns_view_t *view = NULL;
+	uint16_t port = PORT;
+	int c;
+
+	RUNCHECK(isc_app_start());
+
+	isc_commandline_errprint = false;
+	while ((c = isc_commandline_parse(argc, argv, "p:r:")) != -1) {
+		switch (c) {
+		case 'p':
+			result = isc_parse_uint16(&port,
+						  isc_commandline_argument, 10);
+			if (result != ISC_R_SUCCESS) {
+				fprintf(stderr, "bad port '%s'\n",
+					isc_commandline_argument);
+				exit(1);
+			}
+			break;
+		case 'r':
+			fprintf(stderr, "The -r option has been deprecated.\n");
+			break;
+		case '?':
+			fprintf(stderr, "%s: invalid argument '%c'", argv[0],
+				c);
+			break;
+		default:
+			break;
+		}
+	}
+
+	argc -= isc_commandline_index;
+	argv += isc_commandline_index;
+	POST(argv);
+
+	if (argc > 0) {
+		have_src = true;
+	}
+
+	isc_sockaddr_any(&bind_any);
+
+	result = ISC_R_FAILURE;
+	if (inet_pton(AF_INET, "10.53.0.7", &inaddr) != 1) {
+		CHECK("inet_pton", result);
+	}
+	isc_sockaddr_fromin(&srcaddr, &inaddr, 0);
+
+	result = ISC_R_FAILURE;
+	if (inet_pton(AF_INET, "10.53.0.4", &inaddr) != 1) {
+		CHECK("inet_pton", result);
+	}
+	isc_sockaddr_fromin(&dstaddr, &inaddr, port);
+
+	isc_mem_create(&mctx);
+
+	isc_log_create(mctx, &lctx, &lcfg);
+
+	RUNCHECK(dst_lib_init(mctx, NULL));
+
+	isc_managers_create(mctx, 1, 0, &netmgr, &taskmgr, NULL);
+	RUNCHECK(isc_task_create(taskmgr, 0, &task));
+	RUNCHECK(dns_dispatchmgr_create(mctx, netmgr, &dispatchmgr));
+
+	RUNCHECK(dns_dispatch_createudp(
+		dispatchmgr, have_src ? &srcaddr : &bind_any, &dispatchv4));
+	RUNCHECK(dns_requestmgr_create(mctx, taskmgr, dispatchmgr, dispatchv4,
+				       NULL, &requestmgr));
+
+	RUNCHECK(dns_view_create(mctx, 0, "_test", &view));
+	RUNCHECK(isc_app_onrun(mctx, task, sendqueries, NULL));
+
+	(void)isc_app_run();
+
+	dns_view_detach(&view);
+
+	dns_requestmgr_shutdown(requestmgr);
+	dns_requestmgr_detach(&requestmgr);
+
+	dns_dispatch_detach(&dispatchv4);
+	dns_dispatchmgr_detach(&dispatchmgr);
+
+	isc_task_shutdown(task);
+	isc_task_detach(&task);
+
+	isc_managers_destroy(&netmgr, &taskmgr, NULL);
+
+	dst_lib_destroy();
+
+	isc_log_destroy(&lctx);
+
+	isc_mem_destroy(&mctx);
+
+	isc_app_finish();
+
+	return (0);
+}
diff --git a/bin/tests/system/pipelined/ref b/bin/tests/system/pipelined/ref
new file mode 100644
index 0000000..fe123f6
--- /dev/null
+++ b/bin/tests/system/pipelined/ref
@@ -0,0 +1,8 @@
+a.examplea. 10.0.1.1
+a.exampleb. 10.0.2.1
+b.examplea. 10.0.1.2
+b.exampleb. 10.0.2.2
+c.examplea. 10.0.1.3
+c.exampleb. 10.0.2.3
+d.examplea. 10.0.1.4
+d.exampleb. 10.0.2.4
diff --git a/bin/tests/system/pipelined/refb b/bin/tests/system/pipelined/refb
new file mode 100644
index 0000000..a24c6bc
--- /dev/null
+++ b/bin/tests/system/pipelined/refb
@@ -0,0 +1,8 @@
+e.examplea. 10.0.1.5
+e.exampleb. 10.0.2.5
+f.examplea. 10.0.1.6
+f.exampleb. 10.0.2.6
+g.examplea. 10.0.1.7
+g.exampleb. 10.0.2.7
+h.examplea. 10.0.1.8
+h.exampleb. 10.0.2.8
diff --git a/bin/tests/system/pipelined/setup.sh b/bin/tests/system/pipelined/setup.sh
new file mode 100644
index 0000000..49a6426
--- /dev/null
+++ b/bin/tests/system/pipelined/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
diff --git a/bin/tests/system/pipelined/tests.sh b/bin/tests/system/pipelined/tests.sh
new file mode 100644
index 0000000..26c0d31
--- /dev/null
+++ b/bin/tests/system/pipelined/tests.sh
@@ -0,0 +1,82 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+MDIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+status=0
+
+echo_i "check pipelined TCP queries"
+ret=0
+$PIPEQUERIES -p ${PORT} < input > raw || ret=1
+awk '{ print $1 " " $5 }' < raw > output
+sort < output > output-sorted
+diff ref output-sorted || { ret=1 ; echo_i "diff sorted failed"; }
+diff ref output > /dev/null && { ret=1 ; echo_i "diff out of order failed"; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check pipelined TCP queries using mdig"
+ret=0
+$RNDCCMD 10.53.0.4 flush
+sleep 1
+$MDIG $MDIGOPTS +noall +answer +vc -f input -b 10.53.0.4 @10.53.0.4 > raw.mdig
+awk '{ print $1 " " $5 }' < raw.mdig > output.mdig
+sort < output.mdig > output-sorted.mdig
+diff ref output-sorted.mdig || { ret=1 ; echo_i "diff sorted failed"; }
+diff ref output.mdig > /dev/null && { ret=1 ; echo_i "diff out of order failed"; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check keep-response-order"
+ret=0
+$RNDCCMD 10.53.0.4 flush
+sleep 1
+$PIPEQUERIES -p ${PORT} ++ < inputb > rawb || ret=1
+awk '{ print $1 " " $5 }' < rawb > outputb
+diff refb outputb || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check keep-response-order using mdig"
+ret=0
+$RNDCCMD 10.53.0.4 flush
+sleep 1
+$MDIG $MDIGOPTS +noall +answer +vc -f inputb -b 10.53.0.7 @10.53.0.4 > rawb.mdig
+awk '{ print $1 " " $5 }' < rawb.mdig > outputb.mdig
+diff refb outputb.mdig || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check mdig -4 -6"
+ret=0
+$RNDCCMD 10.53.0.4 flush
+sleep 1
+$MDIG $MDIGOPTS -4 -6 -f input @10.53.0.4 > output46.mdig 2>&1 && ret=1
+grep "only one of -4 and -6 allowed" output46.mdig > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "check mdig -4 with an IPv6 server address"
+ret=0
+$MDIG $MDIGOPTS -4 -f input @fd92:7065:b8e:ffff::2 > output4.mdig 2>&1 && ret=1
+grep "address family not supported" output4.mdig > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/pipelined/tests_sh_pipelined.py b/bin/tests/system/pipelined/tests_sh_pipelined.py
new file mode 100644
index 0000000..2d7fb92
--- /dev/null
+++ b/bin/tests/system/pipelined/tests_sh_pipelined.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_pipelined(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/pytest.ini b/bin/tests/system/pytest.ini
new file mode 100644
index 0000000..1559595
--- /dev/null
+++ b/bin/tests/system/pytest.ini
@@ -0,0 +1,20 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+[pytest]
+addopts = --tb=short -rA
+log_format = %(asctime)s %(levelname)s:%(name)s %(message)s
+log_date_format = %Y-%m-%d %H:%M:%S
+log_cli = 1
+log_level = INFO
+python_files = tests_*.py
+junit_logging = log
+junit_log_passing_tests = 0
diff --git a/bin/tests/system/pytest_custom_markers.py b/bin/tests/system/pytest_custom_markers.py
new file mode 100644
index 0000000..ba3a9d4
--- /dev/null
+++ b/bin/tests/system/pytest_custom_markers.py
@@ -0,0 +1,60 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import os
+import subprocess
+
+import pytest
+
+
+long_test = pytest.mark.skipif(
+    not os.environ.get("CI_ENABLE_ALL_TESTS"), reason="CI_ENABLE_ALL_TESTS not set"
+)
+
+
+def feature_test(feature):
+    feature_test_bin = os.environ["FEATURETEST"]
+    try:
+        subprocess.run([feature_test_bin, feature], check=True)
+    except subprocess.CalledProcessError as exc:
+        if exc.returncode != 1:
+            raise
+        return False
+    return True
+
+
+have_libxml2 = pytest.mark.skipif(
+    not feature_test("--have-libxml2"), reason="libxml2 support disabled in the build"
+)
+
+have_json_c = pytest.mark.skipif(
+    not feature_test("--have-json-c"), reason="json-c support disabled in the build"
+)
+
+
+try:
+    import flaky as flaky_pkg
+except ModuleNotFoundError:
+    # In case the flaky package is not installed, run the tests as usual
+    # without any attempts to re-run them.
+    # pylint: disable=unused-argument
+    def flaky(*args, **kwargs):
+        """Mock decorator that doesn't do anything special, just returns the function."""
+
+        def wrapper(wrapped_obj):
+            return wrapped_obj
+
+        return wrapper
+
+else:
+    flaky = flaky_pkg.flaky
diff --git a/bin/tests/system/qmin/ans2/ans.py b/bin/tests/system/qmin/ans2/ans.py
new file mode 100755
index 0000000..1994ff3
--- /dev/null
+++ b/bin/tests/system/qmin/ans2/ans.py
@@ -0,0 +1,401 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from __future__ import print_function
+import os
+import sys
+import signal
+import socket
+import select
+from datetime import datetime, timedelta
+import time
+import functools
+
+import dns, dns.message, dns.query, dns.flags
+from dns.rdatatype import *
+from dns.rdataclass import *
+from dns.rcode import *
+from dns.name import *
+
+
+# Log query to file
+def logquery(type, qname):
+    with open("qlog", "a") as f:
+        f.write("%s %s\n", type, qname)
+
+
+def endswith(domain, labels):
+    return domain.endswith("." + labels) or domain == labels
+
+
+############################################################################
+# Respond to a DNS query.
+# For good. it serves:
+# ns2.good. IN A 10.53.0.2
+# zoop.boing.good. NS ns3.good.
+# ns3.good. IN A 10.53.0.3
+# too.many.labels.a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.good. A 192.0.2.2
+# it responds properly (with NODATA empty response) to non-empty terminals
+#
+# For slow. it works the same as for good., but each response is delayed by 400 milliseconds
+#
+# For bad. it works the same as for good., but returns NXDOMAIN to non-empty terminals
+#
+# For ugly. it works the same as for good., but returns garbage to non-empty terminals
+#
+# For 1.0.0.2.ip6.arpa it serves
+# 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.f.4.0.1.0.0.2.ip6.arpa. IN PTR nee.com.
+# 8.2.6.0.1.0.0.2.ip6.arpa IN NS ns3.good
+# 1.0.0.2.ip6.arpa. IN NS ns2.good
+# ip6.arpa. IN NS ns2.good
+#
+# For stale. it serves:
+# a.b. NS ns.a.b.stale.
+# ns.a.b.stale. IN A 10.53.0.3
+# b. NS ns.b.stale.
+# ns.b.stale. IN A 10.53.0.4
+############################################################################
+def create_response(msg):
+    m = dns.message.from_wire(msg)
+    qname = m.question[0].name.to_text()
+    lqname = qname.lower()
+    labels = lqname.split(".")
+
+    # get qtype
+    rrtype = m.question[0].rdtype
+    typename = dns.rdatatype.to_text(rrtype)
+    if typename == "A" or typename == "AAAA":
+        typename = "ADDR"
+    bad = False
+    ugly = False
+    slow = False
+
+    # log this query
+    with open("query.log", "a") as f:
+        f.write("%s %s\n" % (typename, lqname))
+        print("%s %s" % (typename, lqname), end=" ")
+
+    r = dns.message.make_response(m)
+    r.set_rcode(NOERROR)
+
+    if endswith(lqname, "1.0.0.2.ip6.arpa."):
+        # Direct query - give direct answer
+        if endswith(lqname, "8.2.6.0.1.0.0.2.ip6.arpa."):
+            # Delegate to ns3
+            r.authority.append(
+                dns.rrset.from_text(
+                    "8.2.6.0.1.0.0.2.ip6.arpa.", 60, IN, NS, "ns3.good."
+                )
+            )
+            r.additional.append(
+                dns.rrset.from_text("ns3.good.", 60, IN, A, "10.53.0.3")
+            )
+        elif (
+            lqname
+            == "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.f.4.0.1.0.0.2.ip6.arpa."
+            and rrtype == PTR
+        ):
+            # Direct query - give direct answer
+            r.answer.append(
+                dns.rrset.from_text(
+                    "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.f.4.0.1.0.0.2.ip6.arpa.",
+                    1,
+                    IN,
+                    PTR,
+                    "nee.com.",
+                )
+            )
+            r.flags |= dns.flags.AA
+        elif lqname == "1.0.0.2.ip6.arpa." and rrtype == NS:
+            # NS query at the apex
+            r.answer.append(
+                dns.rrset.from_text("1.0.0.2.ip6.arpa.", 30, IN, NS, "ns2.good.")
+            )
+            r.flags |= dns.flags.AA
+        elif endswith(
+            "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.f.4.0.1.0.0.2.ip6.arpa.",
+            lqname,
+        ):
+            # NODATA answer
+            r.authority.append(
+                dns.rrset.from_text(
+                    "1.0.0.2.ip6.arpa.",
+                    30,
+                    IN,
+                    SOA,
+                    "ns2.good. hostmaster.arpa. 2018050100 1 1 1 1",
+                )
+            )
+        else:
+            # NXDOMAIN
+            r.authority.append(
+                dns.rrset.from_text(
+                    "1.0.0.2.ip6.arpa.",
+                    30,
+                    IN,
+                    SOA,
+                    "ns2.good. hostmaster.arpa. 2018050100 1 1 1 1",
+                )
+            )
+            r.set_rcode(NXDOMAIN)
+        return r
+    elif endswith(lqname, "ip6.arpa."):
+        if lqname == "ip6.arpa." and rrtype == NS:
+            # NS query at the apex
+            r.answer.append(dns.rrset.from_text("ip6.arpa.", 30, IN, NS, "ns2.good."))
+            r.flags |= dns.flags.AA
+        elif endswith("1.0.0.2.ip6.arpa.", lqname):
+            # NODATA answer
+            r.authority.append(
+                dns.rrset.from_text(
+                    "ip6.arpa.",
+                    30,
+                    IN,
+                    SOA,
+                    "ns2.good. hostmaster.arpa. 2018050100 1 1 1 1",
+                )
+            )
+        else:
+            # NXDOMAIN
+            r.authority.append(
+                dns.rrset.from_text(
+                    "ip6.arpa.",
+                    30,
+                    IN,
+                    SOA,
+                    "ns2.good. hostmaster.arpa. 2018050100 1 1 1 1",
+                )
+            )
+            r.set_rcode(NXDOMAIN)
+        return r
+    elif endswith(lqname, "stale."):
+        if endswith(lqname, "a.b.stale."):
+            # Delegate to ns.a.b.stale.
+            r.authority.append(
+                dns.rrset.from_text("a.b.stale.", 2, IN, NS, "ns.a.b.stale.")
+            )
+            r.additional.append(
+                dns.rrset.from_text("ns.a.b.stale.", 2, IN, A, "10.53.0.3")
+            )
+        elif endswith(lqname, "b.stale."):
+            # Delegate to ns.b.stale.
+            r.authority.append(
+                dns.rrset.from_text("b.stale.", 2, IN, NS, "ns.b.stale.")
+            )
+            r.additional.append(
+                dns.rrset.from_text("ns.b.stale.", 2, IN, A, "10.53.0.4")
+            )
+        elif lqname == "stale." and rrtype == NS:
+            # NS query at the apex.
+            r.answer.append(dns.rrset.from_text("stale.", 2, IN, NS, "ns2.stale."))
+            r.flags |= dns.flags.AA
+        elif lqname == "stale." and rrtype == SOA:
+            # SOA query at the apex.
+            r.answer.append(
+                dns.rrset.from_text(
+                    "stale.", 2, IN, SOA, "ns2.stale. hostmaster.stale. 1 2 3 4 5"
+                )
+            )
+            r.flags |= dns.flags.AA
+        elif lqname == "stale.":
+            # NODATA answer
+            r.authority.append(
+                dns.rrset.from_text(
+                    "stale.", 2, IN, SOA, "ns2.stale. hostmaster.arpa. 1 2 3 4 5"
+                )
+            )
+        else:
+            # NXDOMAIN
+            r.authority.append(
+                dns.rrset.from_text(
+                    "stale.", 2, IN, SOA, "ns2.stale. hostmaster.arpa. 1 2 3 4 5"
+                )
+            )
+            r.set_rcode(NXDOMAIN)
+        return r
+    elif endswith(lqname, "bad."):
+        bad = True
+        suffix = "bad."
+        lqname = lqname[:-4]
+    elif endswith(lqname, "ugly."):
+        ugly = True
+        suffix = "ugly."
+        lqname = lqname[:-5]
+    elif endswith(lqname, "good."):
+        suffix = "good."
+        lqname = lqname[:-5]
+    elif endswith(lqname, "slow."):
+        slow = True
+        suffix = "slow."
+        lqname = lqname[:-5]
+    elif endswith(lqname, "fwd."):
+        suffix = "fwd."
+        lqname = lqname[:-4]
+    else:
+        r.set_rcode(REFUSED)
+        return r
+
+    # Good/bad/ugly differs only in how we treat non-empty terminals
+    if endswith(lqname, "zoop.boing."):
+        r.authority.append(
+            dns.rrset.from_text("zoop.boing." + suffix, 1, IN, NS, "ns3." + suffix)
+        )
+    elif (
+        lqname == "many.labels.a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z."
+        and rrtype == A
+    ):
+        r.answer.append(dns.rrset.from_text(lqname + suffix, 1, IN, A, "192.0.2.2"))
+        r.flags |= dns.flags.AA
+    elif lqname == "" and rrtype == NS:
+        r.answer.append(dns.rrset.from_text(suffix, 30, IN, NS, "ns2." + suffix))
+        r.flags |= dns.flags.AA
+    elif lqname == "ns2." and rrtype == A:
+        r.answer.append(dns.rrset.from_text("ns2." + suffix, 30, IN, A, "10.53.0.2"))
+        r.flags |= dns.flags.AA
+    elif lqname == "ns2." and rrtype == AAAA:
+        r.answer.append(
+            dns.rrset.from_text("ns2." + suffix, 30, IN, AAAA, "fd92:7065:b8e:ffff::2")
+        )
+        r.flags |= dns.flags.AA
+    elif lqname == "ns3." and rrtype == A:
+        r.answer.append(dns.rrset.from_text("ns3." + suffix, 30, IN, A, "10.53.0.3"))
+        r.flags |= dns.flags.AA
+    elif lqname == "ns3." and rrtype == AAAA:
+        r.answer.append(
+            dns.rrset.from_text("ns3." + suffix, 30, IN, AAAA, "fd92:7065:b8e:ffff::3")
+        )
+        r.flags |= dns.flags.AA
+    elif lqname == "ns4." and rrtype == A:
+        r.answer.append(dns.rrset.from_text("ns4." + suffix, 30, IN, A, "10.53.0.4"))
+        r.flags |= dns.flags.AA
+    elif lqname == "ns4." and rrtype == AAAA:
+        r.answer.append(
+            dns.rrset.from_text("ns4." + suffix, 30, IN, AAAA, "fd92:7065:b8e:ffff::4")
+        )
+        r.flags |= dns.flags.AA
+    elif lqname == "a.bit.longer.ns.name." and rrtype == A:
+        r.answer.append(
+            dns.rrset.from_text("a.bit.longer.ns.name." + suffix, 1, IN, A, "10.53.0.4")
+        )
+        r.flags |= dns.flags.AA
+    elif lqname == "a.bit.longer.ns.name." and rrtype == AAAA:
+        r.answer.append(
+            dns.rrset.from_text(
+                "a.bit.longer.ns.name." + suffix, 1, IN, AAAA, "fd92:7065:b8e:ffff::4"
+            )
+        )
+        r.flags |= dns.flags.AA
+    else:
+        r.authority.append(
+            dns.rrset.from_text(
+                suffix,
+                1,
+                IN,
+                SOA,
+                "ns2." + suffix + " hostmaster.arpa. 2018050100 1 1 1 1",
+            )
+        )
+        if bad or not (
+            endswith("icky.icky.icky.ptang.zoop.boing.", lqname)
+            or endswith(
+                "many.labels.a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t.u.v.w.x.y.z.",
+                lqname,
+            )
+            or endswith("a.bit.longer.ns.name.", lqname)
+        ):
+            r.set_rcode(NXDOMAIN)
+        if ugly:
+            r.set_rcode(FORMERR)
+    if slow:
+        time.sleep(0.2)
+    return r
+
+
+def sigterm(signum, frame):
+    print("Shutting down now...")
+    os.remove("ans.pid")
+    running = False
+    sys.exit(0)
+
+
+############################################################################
+# Main
+#
+# Set up responder and control channel, open the pid file, and start
+# the main loop, listening for queries on the query channel or commands
+# on the control channel and acting on them.
+############################################################################
+ip4 = "10.53.0.2"
+ip6 = "fd92:7065:b8e:ffff::2"
+
+try:
+    port = int(os.environ["PORT"])
+except:
+    port = 5300
+
+query4_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+query4_socket.bind((ip4, port))
+
+havev6 = True
+try:
+    query6_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+    try:
+        query6_socket.bind((ip6, port))
+    except:
+        query6_socket.close()
+        havev6 = False
+except:
+    havev6 = False
+
+signal.signal(signal.SIGTERM, sigterm)
+
+f = open("ans.pid", "w")
+pid = os.getpid()
+print(pid, file=f)
+f.close()
+
+running = True
+
+print("Listening on %s port %d" % (ip4, port))
+if havev6:
+    print("Listening on %s port %d" % (ip6, port))
+print("Ctrl-c to quit")
+
+if havev6:
+    input = [query4_socket, query6_socket]
+else:
+    input = [query4_socket]
+
+while running:
+    try:
+        inputready, outputready, exceptready = select.select(input, [], [])
+    except select.error as e:
+        break
+    except socket.error as e:
+        break
+    except KeyboardInterrupt:
+        break
+
+    for s in inputready:
+        if s == query4_socket or s == query6_socket:
+            print(
+                "Query received on %s" % (ip4 if s == query4_socket else ip6), end=" "
+            )
+            # Handle incoming queries
+            msg = s.recvfrom(65535)
+            rsp = create_response(msg[0])
+            if rsp:
+                print(dns.rcode.to_text(rsp.rcode()))
+                s.sendto(rsp.to_wire(), msg[1])
+            else:
+                print("NO RESPONSE")
+    if not running:
+        break
diff --git a/bin/tests/system/qmin/ans3/ans.py b/bin/tests/system/qmin/ans3/ans.py
new file mode 100755
index 0000000..079c3d2
--- /dev/null
+++ b/bin/tests/system/qmin/ans3/ans.py
@@ -0,0 +1,274 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from __future__ import print_function
+import os
+import sys
+import signal
+import socket
+import select
+from datetime import datetime, timedelta
+import time
+import functools
+
+import dns, dns.message, dns.query, dns.flags
+from dns.rdatatype import *
+from dns.rdataclass import *
+from dns.rcode import *
+from dns.name import *
+
+
+# Log query to file
+def logquery(type, qname):
+    with open("qlog", "a") as f:
+        f.write("%s %s\n", type, qname)
+
+
+def endswith(domain, labels):
+    return domain.endswith("." + labels) or domain == labels
+
+
+############################################################################
+# Respond to a DNS query.
+# For good. it serves:
+# zoop.boing.good. NS ns3.good.
+# icky.ptang.zoop.boing.good. NS a.bit.longer.ns.name.good.
+# it responds properly (with NODATA empty response) to non-empty terminals
+#
+# For slow. it works the same as for good., but each response is delayed by 400 milliseconds
+#
+# For bad. it works the same as for good., but returns NXDOMAIN to non-empty terminals
+#
+# For ugly. it works the same as for good., but returns garbage to non-empty terminals
+#
+# For stale. it serves:
+# a.b.stale. IN TXT peekaboo (resolver did not do qname minimization)
+############################################################################
+def create_response(msg):
+    m = dns.message.from_wire(msg)
+    qname = m.question[0].name.to_text()
+    lqname = qname.lower()
+    labels = lqname.split(".")
+    suffix = ""
+
+    # get qtype
+    rrtype = m.question[0].rdtype
+    typename = dns.rdatatype.to_text(rrtype)
+    if typename == "A" or typename == "AAAA":
+        typename = "ADDR"
+    bad = False
+    ugly = False
+    slow = False
+
+    # log this query
+    with open("query.log", "a") as f:
+        f.write("%s %s\n" % (typename, lqname))
+        print("%s %s" % (typename, lqname), end=" ")
+
+    r = dns.message.make_response(m)
+    r.set_rcode(NOERROR)
+
+    ip6req = False
+
+    if endswith(lqname, "bad."):
+        bad = True
+        suffix = "bad."
+        lqname = lqname[:-4]
+    elif endswith(lqname, "ugly."):
+        ugly = True
+        suffix = "ugly."
+        lqname = lqname[:-5]
+    elif endswith(lqname, "good."):
+        suffix = "good."
+        lqname = lqname[:-5]
+    elif endswith(lqname, "slow."):
+        slow = True
+        suffix = "slow."
+        lqname = lqname[:-5]
+    elif endswith(lqname, "8.2.6.0.1.0.0.2.ip6.arpa."):
+        ip6req = True
+    elif endswith(lqname, "a.b.stale."):
+        if lqname == "a.b.stale.":
+            if rrtype == TXT:
+                # Direct query.
+                r.answer.append(dns.rrset.from_text(lqname, 1, IN, TXT, "peekaboo"))
+                r.flags |= dns.flags.AA
+            elif rrtype == NS:
+                # NS a.b.
+                r.answer.append(dns.rrset.from_text(lqname, 1, IN, NS, "ns.a.b.stale."))
+                r.additional.append(
+                    dns.rrset.from_text("ns.a.b.stale.", 1, IN, A, "10.53.0.3")
+                )
+                r.flags |= dns.flags.AA
+            elif rrtype == SOA:
+                # SOA a.b.
+                r.answer.append(
+                    dns.rrset.from_text(
+                        lqname, 1, IN, SOA, "a.b.stale. hostmaster.a.b.stale. 1 2 3 4 5"
+                    )
+                )
+                r.flags |= dns.flags.AA
+            else:
+                # NODATA.
+                r.authority.append(
+                    dns.rrset.from_text(
+                        lqname, 1, IN, SOA, "a.b.stale. hostmaster.a.b.stale. 1 2 3 4 5"
+                    )
+                )
+        else:
+            r.authority.append(
+                dns.rrset.from_text(
+                    lqname, 1, IN, SOA, "a.b.stale. hostmaster.a.b.stale. 1 2 3 4 5"
+                )
+            )
+            r.set_rcode(NXDOMAIN)
+            # NXDOMAIN.
+        return r
+    else:
+        r.set_rcode(REFUSED)
+        return r
+
+    # Good/bad differs only in how we treat non-empty terminals
+    if lqname == "zoop.boing." and rrtype == NS:
+        r.answer.append(
+            dns.rrset.from_text(lqname + suffix, 1, IN, NS, "ns3." + suffix)
+        )
+        r.flags |= dns.flags.AA
+    elif endswith(lqname, "icky.ptang.zoop.boing."):
+        r.authority.append(
+            dns.rrset.from_text(
+                "icky.ptang.zoop.boing." + suffix,
+                1,
+                IN,
+                NS,
+                "a.bit.longer.ns.name." + suffix,
+            )
+        )
+    elif endswith("icky.ptang.zoop.boing.", lqname):
+        r.authority.append(
+            dns.rrset.from_text(
+                "zoop.boing." + suffix,
+                1,
+                IN,
+                SOA,
+                "ns3." + suffix + " hostmaster.arpa. 2018050100 1 1 1 1",
+            )
+        )
+        if bad:
+            r.set_rcode(NXDOMAIN)
+        if ugly:
+            r.set_rcode(FORMERR)
+    elif endswith(lqname, "zoop.boing."):
+        r.authority.append(
+            dns.rrset.from_text(
+                "zoop.boing." + suffix,
+                1,
+                IN,
+                SOA,
+                "ns3." + suffix + " hostmaster.arpa. 2018050100 1 1 1 1",
+            )
+        )
+        r.set_rcode(NXDOMAIN)
+    elif ip6req:
+        r.authority.append(
+            dns.rrset.from_text(
+                "1.1.1.1.8.2.6.0.1.0.0.2.ip6.arpa.", 60, IN, NS, "ns4.good."
+            )
+        )
+        r.additional.append(dns.rrset.from_text("ns4.good.", 60, IN, A, "10.53.0.4"))
+    else:
+        r.set_rcode(REFUSED)
+
+    if slow:
+        time.sleep(0.4)
+    return r
+
+
+def sigterm(signum, frame):
+    print("Shutting down now...")
+    os.remove("ans.pid")
+    running = False
+    sys.exit(0)
+
+
+############################################################################
+# Main
+#
+# Set up responder and control channel, open the pid file, and start
+# the main loop, listening for queries on the query channel or commands
+# on the control channel and acting on them.
+############################################################################
+ip4 = "10.53.0.3"
+ip6 = "fd92:7065:b8e:ffff::3"
+
+try:
+    port = int(os.environ["PORT"])
+except:
+    port = 5300
+
+query4_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+query4_socket.bind((ip4, port))
+
+havev6 = True
+try:
+    query6_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+    try:
+        query6_socket.bind((ip6, port))
+    except:
+        query6_socket.close()
+        havev6 = False
+except:
+    havev6 = False
+
+signal.signal(signal.SIGTERM, sigterm)
+
+f = open("ans.pid", "w")
+pid = os.getpid()
+print(pid, file=f)
+f.close()
+
+running = True
+
+print("Listening on %s port %d" % (ip4, port))
+if havev6:
+    print("Listening on %s port %d" % (ip6, port))
+print("Ctrl-c to quit")
+
+if havev6:
+    input = [query4_socket, query6_socket]
+else:
+    input = [query4_socket]
+
+while running:
+    try:
+        inputready, outputready, exceptready = select.select(input, [], [])
+    except select.error as e:
+        break
+    except socket.error as e:
+        break
+    except KeyboardInterrupt:
+        break
+
+    for s in inputready:
+        if s == query4_socket or s == query6_socket:
+            print(
+                "Query received on %s" % (ip4 if s == query4_socket else ip6), end=" "
+            )
+            # Handle incoming queries
+            msg = s.recvfrom(65535)
+            rsp = create_response(msg[0])
+            if rsp:
+                print(dns.rcode.to_text(rsp.rcode()))
+                s.sendto(rsp.to_wire(), msg[1])
+            else:
+                print("NO RESPONSE")
+    if not running:
+        break
diff --git a/bin/tests/system/qmin/ans4/ans.py b/bin/tests/system/qmin/ans4/ans.py
new file mode 100755
index 0000000..f3d00c3
--- /dev/null
+++ b/bin/tests/system/qmin/ans4/ans.py
@@ -0,0 +1,320 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from __future__ import print_function
+import os
+import sys
+import signal
+import socket
+import select
+from datetime import datetime, timedelta
+import time
+import functools
+
+import dns, dns.message, dns.query, dns.flags
+from dns.rdatatype import *
+from dns.rdataclass import *
+from dns.rcode import *
+from dns.name import *
+
+
+# Log query to file
+def logquery(type, qname):
+    with open("qlog", "a") as f:
+        f.write("%s %s\n", type, qname)
+
+
+def endswith(domain, labels):
+    return domain.endswith("." + labels) or domain == labels
+
+
+############################################################################
+# Respond to a DNS query.
+# For good. it serves:
+# icky.ptang.zoop.boing.good. NS a.bit.longer.ns.name.
+# icky.icky.icky.ptang.zoop.boing.good. A 192.0.2.1
+# more.icky.icky.icky.ptang.zoop.boing.good. A 192.0.2.2
+# it responds properly (with NODATA empty response) to non-empty terminals
+#
+# For slow. it works the same as for good., but each response is delayed by 400 milliseconds
+#
+# For bad. it works the same as for good., but returns NXDOMAIN to non-empty terminals
+#
+# For ugly. it works the same as for good., but returns garbage to non-empty terminals
+#
+# For stale. it serves:
+# a.b.stale. IN TXT hooray (resolver did do qname minimization)
+############################################################################
+def create_response(msg):
+    m = dns.message.from_wire(msg)
+    qname = m.question[0].name.to_text()
+    lqname = qname.lower()
+    labels = lqname.split(".")
+    suffix = ""
+
+    # get qtype
+    rrtype = m.question[0].rdtype
+    typename = dns.rdatatype.to_text(rrtype)
+    if typename == "A" or typename == "AAAA":
+        typename = "ADDR"
+    bad = False
+    slow = False
+    ugly = False
+
+    # log this query
+    with open("query.log", "a") as f:
+        f.write("%s %s\n" % (typename, lqname))
+        print("%s %s" % (typename, lqname), end=" ")
+
+    r = dns.message.make_response(m)
+    r.set_rcode(NOERROR)
+
+    ip6req = False
+
+    if endswith(lqname, "bad."):
+        bad = True
+        suffix = "bad."
+        lqname = lqname[:-4]
+    elif endswith(lqname, "ugly."):
+        ugly = True
+        suffix = "ugly."
+        lqname = lqname[:-5]
+    elif endswith(lqname, "good."):
+        suffix = "good."
+        lqname = lqname[:-5]
+    elif endswith(lqname, "slow."):
+        slow = True
+        suffix = "slow."
+        lqname = lqname[:-5]
+    elif endswith(lqname, "1.1.1.1.8.2.6.0.1.0.0.2.ip6.arpa."):
+        ip6req = True
+    elif endswith(lqname, "b.stale."):
+        if lqname == "a.b.stale.":
+            if rrtype == TXT:
+                # Direct query.
+                r.answer.append(dns.rrset.from_text(lqname, 1, IN, TXT, "hooray"))
+                r.flags |= dns.flags.AA
+            elif rrtype == NS:
+                # NS a.b.
+                r.answer.append(dns.rrset.from_text(lqname, 1, IN, NS, "ns.a.b.stale."))
+                r.additional.append(
+                    dns.rrset.from_text("ns.a.b.stale.", 1, IN, A, "10.53.0.3")
+                )
+                r.flags |= dns.flags.AA
+            elif rrtype == SOA:
+                # SOA a.b.
+                r.answer.append(
+                    dns.rrset.from_text(
+                        lqname, 1, IN, SOA, "a.b.stale. hostmaster.a.b.stale. 1 2 3 4 5"
+                    )
+                )
+                r.flags |= dns.flags.AA
+            else:
+                # NODATA.
+                r.authority.append(
+                    dns.rrset.from_text(
+                        lqname, 1, IN, SOA, "a.b.stale. hostmaster.a.b.stale. 1 2 3 4 5"
+                    )
+                )
+        elif lqname == "b.stale.":
+            if rrtype == NS:
+                # NS b.
+                r.answer.append(dns.rrset.from_text(lqname, 1, IN, NS, "ns.b.stale."))
+                r.additional.append(
+                    dns.rrset.from_text("ns.b.stale.", 1, IN, A, "10.53.0.4")
+                )
+                r.flags |= dns.flags.AA
+            elif rrtype == SOA:
+                # SOA b.
+                r.answer.append(
+                    dns.rrset.from_text(
+                        lqname, 1, IN, SOA, "b.stale. hostmaster.b.stale. 1 2 3 4 5"
+                    )
+                )
+                r.flags |= dns.flags.AA
+            else:
+                # NODATA.
+                r.authority.append(
+                    dns.rrset.from_text(
+                        lqname, 1, IN, SOA, "b.stale. hostmaster.b.stale. 1 2 3 4 5"
+                    )
+                )
+        else:
+            r.authority.append(
+                dns.rrset.from_text(
+                    lqname, 1, IN, SOA, "b.stale. hostmaster.b.stale. 1 2 3 4 5"
+                )
+            )
+            r.set_rcode(NXDOMAIN)
+            # NXDOMAIN.
+        return r
+    else:
+        r.set_rcode(REFUSED)
+        return r
+
+    # Good/bad differs only in how we treat non-empty terminals
+    if lqname == "icky.icky.icky.ptang.zoop.boing." and rrtype == A:
+        r.answer.append(dns.rrset.from_text(lqname + suffix, 1, IN, A, "192.0.2.1"))
+        r.flags |= dns.flags.AA
+    elif lqname == "more.icky.icky.icky.ptang.zoop.boing." and rrtype == A:
+        r.answer.append(dns.rrset.from_text(lqname + suffix, 1, IN, A, "192.0.2.2"))
+        r.flags |= dns.flags.AA
+    elif lqname == "icky.ptang.zoop.boing." and rrtype == NS:
+        r.answer.append(
+            dns.rrset.from_text(
+                lqname + suffix, 1, IN, NS, "a.bit.longer.ns.name." + suffix
+            )
+        )
+        r.flags |= dns.flags.AA
+    elif endswith(lqname, "icky.ptang.zoop.boing."):
+        r.authority.append(
+            dns.rrset.from_text(
+                "icky.ptang.zoop.boing." + suffix,
+                1,
+                IN,
+                SOA,
+                "ns2." + suffix + " hostmaster.arpa. 2018050100 1 1 1 1",
+            )
+        )
+        if bad or not endswith("more.icky.icky.icky.ptang.zoop.boing.", lqname):
+            r.set_rcode(NXDOMAIN)
+        if ugly:
+            r.set_rcode(FORMERR)
+    elif ip6req:
+        r.flags |= dns.flags.AA
+        if (
+            lqname
+            == "test1.test2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.0.9.4.1.1.1.1.8.2.6.0.1.0.0.2.ip6.arpa."
+            and rrtype == TXT
+        ):
+            r.answer.append(
+                dns.rrset.from_text(
+                    "test1.test2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.0.9.4.1.1.1.1.8.2.6.0.1.0.0.2.ip6.arpa.",
+                    1,
+                    IN,
+                    TXT,
+                    "long_ip6_name",
+                )
+            )
+        elif endswith(
+            "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.0.9.4.1.1.1.1.8.2.6.0.1.0.0.2.ip6.arpa.",
+            lqname,
+        ):
+            # NODATA answer
+            r.authority.append(
+                dns.rrset.from_text(
+                    "1.1.1.1.8.2.6.0.1.0.0.2.ip6.arpa.",
+                    60,
+                    IN,
+                    SOA,
+                    "ns4.good. hostmaster.arpa. 2018050100 120 30 320 16",
+                )
+            )
+        else:
+            # NXDOMAIN
+            r.authority.append(
+                dns.rrset.from_text(
+                    "1.1.1.1.8.2.6.0.1.0.0.2.ip6.arpa.",
+                    60,
+                    IN,
+                    SOA,
+                    "ns4.good. hostmaster.arpa. 2018050100 120 30 320 16",
+                )
+            )
+            r.set_rcode(NXDOMAIN)
+    else:
+        r.set_rcode(REFUSED)
+
+    if slow:
+        time.sleep(0.4)
+    return r
+
+
+def sigterm(signum, frame):
+    print("Shutting down now...")
+    os.remove("ans.pid")
+    running = False
+    sys.exit(0)
+
+
+############################################################################
+# Main
+#
+# Set up responder and control channel, open the pid file, and start
+# the main loop, listening for queries on the query channel or commands
+# on the control channel and acting on them.
+############################################################################
+ip4 = "10.53.0.4"
+ip6 = "fd92:7065:b8e:ffff::4"
+
+try:
+    port = int(os.environ["PORT"])
+except:
+    port = 5300
+
+query4_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+query4_socket.bind((ip4, port))
+
+havev6 = True
+try:
+    query6_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+    try:
+        query6_socket.bind((ip6, port))
+    except:
+        query6_socket.close()
+        havev6 = False
+except:
+    havev6 = False
+
+signal.signal(signal.SIGTERM, sigterm)
+
+f = open("ans.pid", "w")
+pid = os.getpid()
+print(pid, file=f)
+f.close()
+
+running = True
+
+print("Listening on %s port %d" % (ip4, port))
+if havev6:
+    print("Listening on %s port %d" % (ip6, port))
+print("Ctrl-c to quit")
+
+if havev6:
+    input = [query4_socket, query6_socket]
+else:
+    input = [query4_socket]
+
+while running:
+    try:
+        inputready, outputready, exceptready = select.select(input, [], [])
+    except select.error as e:
+        break
+    except socket.error as e:
+        break
+    except KeyboardInterrupt:
+        break
+
+    for s in inputready:
+        if s == query4_socket or s == query6_socket:
+            print(
+                "Query received on %s" % (ip4 if s == query4_socket else ip6), end=" "
+            )
+            # Handle incoming queries
+            msg = s.recvfrom(65535)
+            rsp = create_response(msg[0])
+            if rsp:
+                print(dns.rcode.to_text(rsp.rcode()))
+                s.sendto(rsp.to_wire(), msg[1])
+            else:
+                print("NO RESPONSE")
+    if not running:
+        break
diff --git a/bin/tests/system/qmin/clean.sh b/bin/tests/system/qmin/clean.sh
new file mode 100644
index 0000000..52c38e6
--- /dev/null
+++ b/bin/tests/system/qmin/clean.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns*/named.conf
+rm -f */named.memstats
+rm -f */named.run */named.run.prev
+rm -f dig.out.*
+rm -f ns*/named.lock
+rm -f ans*/query.log*
+rm -f query*.log
diff --git a/bin/tests/system/qmin/ns1/named.conf.in b/bin/tests/system/qmin/ns1/named.conf.in
new file mode 100644
index 0000000..e366cca
--- /dev/null
+++ b/bin/tests/system/qmin/ns1/named.conf.in
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/qmin/ns1/root.db b/bin/tests/system/qmin/ns1/root.db
new file mode 100644
index 0000000..325f607
--- /dev/null
+++ b/bin/tests/system/qmin/ns1/root.db
@@ -0,0 +1,41 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 20
+. 			IN SOA	wpk.isc.org. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				2       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+ip6.arpa.		NS	ns2.good.
+
+good.			NS	ns2.good.
+ns2.good.		A	10.53.0.2
+
+bad.			NS	ns2.bad.
+ns2.bad.		A	10.53.0.2
+
+slow			NS	ns2.slow.
+ns2.slow.		A	10.53.0.2
+
+ugly.			NS	ns2.ugly.
+ns2.ugly.		A	10.53.0.2
+
+fwd.			NS	ns2.fwd.
+ns2.fwd.		A	10.53.0.2
+
+$TTL 2
+stale.			NS	ns2.stale.
+ns2.stale.		A	10.53.0.2
diff --git a/bin/tests/system/qmin/ns5/named.conf.in b/bin/tests/system/qmin/ns5/named.conf.in
new file mode 100644
index 0000000..d84d818
--- /dev/null
+++ b/bin/tests/system/qmin/ns5/named.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	qname-minimization disabled;
+	querylog yes;
+	resolver-query-timeout 30000; # 30 seconds
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/qmin/ns6/named.conf.in b/bin/tests/system/qmin/ns6/named.conf.in
new file mode 100644
index 0000000..828973c
--- /dev/null
+++ b/bin/tests/system/qmin/ns6/named.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS6
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	recursion yes;
+	qname-minimization strict;
+	querylog yes;
+	resolver-query-timeout 30000; # 30 seconds
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/qmin/ns7/named.conf.in b/bin/tests/system/qmin/ns7/named.conf.in
new file mode 100644
index 0000000..8ca3275
--- /dev/null
+++ b/bin/tests/system/qmin/ns7/named.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS7
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	recursion yes;
+	qname-minimization relaxed;
+	querylog yes;
+	resolver-query-timeout 30000; # 30 seconds
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "fwd." IN {
+	type forward;
+	forwarders {
+		10.53.0.2;
+	};
+	forward only;
+};
diff --git a/bin/tests/system/qmin/setup.sh b/bin/tests/system/qmin/setup.sh
new file mode 100644
index 0000000..5825b3d
--- /dev/null
+++ b/bin/tests/system/qmin/setup.sh
@@ -0,0 +1,19 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
diff --git a/bin/tests/system/qmin/tests.sh b/bin/tests/system/qmin/tests.sh
new file mode 100755
index 0000000..b8d3128
--- /dev/null
+++ b/bin/tests/system/qmin/tests.sh
@@ -0,0 +1,537 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+CLEANQL="rm -f ans*/query.log"
+status=0
+n=0
+
+n=$((n+1))
+echo_i "query for .good is not minimized when qname-minimization is off ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.5 flush
+$DIG $DIGOPTS icky.icky.icky.ptang.zoop.boing.good. @10.53.0.5 > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "icky.icky.icky.ptang.zoop.boing.good. 1	IN A	192.0.2.1" dig.out.test$n > /dev/null || ret=1
+sleep 1
+cat << __EOF | diff ans2/query.log - > /dev/null || ret=1
+ADDR icky.icky.icky.ptang.zoop.boing.good.
+ADDR ns3.good.
+ADDR ns3.good.
+ADDR a.bit.longer.ns.name.good.
+ADDR a.bit.longer.ns.name.good.
+__EOF
+echo "ADDR icky.icky.icky.ptang.zoop.boing.good." | diff ans3/query.log - > /dev/null || ret=1
+echo "ADDR icky.icky.icky.ptang.zoop.boing.good." | diff ans4/query.log - > /dev/null || ret=1
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .bad is not minimized when qname-minimization is off ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.5 flush
+$DIG $DIGOPTS icky.icky.icky.ptang.zoop.boing.bad. @10.53.0.5 > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "icky.icky.icky.ptang.zoop.boing.bad. 1 IN A	192.0.2.1" dig.out.test$n > /dev/null || ret=1
+sleep 1
+cat << __EOF | diff ans2/query.log - > /dev/null || ret=1
+ADDR icky.icky.icky.ptang.zoop.boing.bad.
+ADDR ns3.bad.
+ADDR ns3.bad.
+ADDR a.bit.longer.ns.name.bad.
+ADDR a.bit.longer.ns.name.bad.
+__EOF
+echo "ADDR icky.icky.icky.ptang.zoop.boing.bad." | diff ans3/query.log - > /dev/null || ret=1
+echo "ADDR icky.icky.icky.ptang.zoop.boing.bad." | diff ans4/query.log - > /dev/null || ret=1
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .slow is not minimized when qname-minimization is off ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.5 flush
+$DIG $DIGOPTS icky.icky.icky.ptang.zoop.boing.slow. @10.53.0.5 > dig.out.test$n
+sleep 5
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "icky.icky.icky.ptang.zoop.boing.slow. 1	IN A	192.0.2.1" dig.out.test$n > /dev/null || ret=1
+sleep 1
+cat << __EOF | diff ans2/query.log - > /dev/null || ret=1
+ADDR icky.icky.icky.ptang.zoop.boing.slow.
+ADDR ns3.slow.
+ADDR ns3.slow.
+ADDR a.bit.longer.ns.name.slow.
+ADDR a.bit.longer.ns.name.slow.
+__EOF
+echo "ADDR icky.icky.icky.ptang.zoop.boing.slow." | diff ans3/query.log - > /dev/null || ret=1
+echo "ADDR icky.icky.icky.ptang.zoop.boing.slow." | diff ans4/query.log - > /dev/null || ret=1
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .ugly is not minimized when qname-minimization is off ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.5 flush
+$DIG $DIGOPTS icky.icky.icky.ptang.zoop.boing.ugly. @10.53.0.5 > dig.out.test$n
+sleep 5
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "icky.icky.icky.ptang.zoop.boing.ugly. 1	IN A	192.0.2.1" dig.out.test$n > /dev/null || ret=1
+sleep 1
+cat << __EOF | diff ans2/query.log - > /dev/null || ret=1
+ADDR icky.icky.icky.ptang.zoop.boing.ugly.
+ADDR ns3.ugly.
+ADDR ns3.ugly.
+ADDR a.bit.longer.ns.name.ugly.
+ADDR a.bit.longer.ns.name.ugly.
+__EOF
+echo "ADDR icky.icky.icky.ptang.zoop.boing.ugly." | diff ans3/query.log - > /dev/null || ret=1
+echo "ADDR icky.icky.icky.ptang.zoop.boing.ugly." | diff ans4/query.log - > /dev/null || ret=1
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .good is properly minimized when qname-minimization is in strict mode ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.6 flush
+$DIG $DIGOPTS icky.icky.icky.ptang.zoop.boing.good. @10.53.0.6 > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "icky.icky.icky.ptang.zoop.boing.good. 1	IN A	192.0.2.1" dig.out.test$n > /dev/null || ret=1
+sleep 1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+ADDR a.bit.longer.ns.name.good.
+ADDR a.bit.longer.ns.name.good.
+ADDR ns2.good.
+ADDR ns3.good.
+ADDR ns3.good.
+NS boing.good.
+NS good.
+NS zoop.boing.good.
+__EOF
+cat << __EOF | diff ans3/query.log - > /dev/null || ret=1
+NS zoop.boing.good.
+NS ptang.zoop.boing.good.
+NS icky.ptang.zoop.boing.good.
+__EOF
+cat << __EOF | diff ans4/query.log - > /dev/null || ret=1
+NS icky.ptang.zoop.boing.good.
+NS icky.icky.ptang.zoop.boing.good.
+ADDR icky.icky.icky.ptang.zoop.boing.good.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .good is properly minimized when qname-minimization is in relaxed mode ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.7 flush
+$DIG $DIGOPTS icky.icky.icky.ptang.zoop.boing.good. @10.53.0.7 > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "icky.icky.icky.ptang.zoop.boing.good. 1	IN A	192.0.2.1" dig.out.test$n > /dev/null || ret=1
+sleep 1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+ADDR a.bit.longer.ns.name.good.
+ADDR a.bit.longer.ns.name.good.
+ADDR ns2.good.
+ADDR ns3.good.
+ADDR ns3.good.
+NS boing.good.
+NS zoop.boing.good.
+__EOF
+cat << __EOF | diff ans3/query.log - > /dev/null || ret=1
+NS ptang.zoop.boing.good.
+NS icky.ptang.zoop.boing.good.
+__EOF
+cat << __EOF | diff ans4/query.log - > /dev/null || ret=1
+NS icky.icky.ptang.zoop.boing.good.
+ADDR icky.icky.icky.ptang.zoop.boing.good.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .bad fails when qname-minimization is in strict mode ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.6 flush
+$DIG $DIGOPTS icky.icky.icky.ptang.zoop.boing.bad. @10.53.0.6 > dig.out.test$n
+grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
+sleep 1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+ADDR ns2.bad.
+NS bad.
+NS boing.bad.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .bad succeeds when qname-minimization is in relaxed mode ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.7 flush
+$DIG $DIGOPTS icky.icky.icky.ptang.zoop.boing.bad. @10.53.0.7 > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "icky.icky.icky.ptang.zoop.boing.bad. 1 IN A	192.0.2.1" dig.out.test$n > /dev/null || ret=1
+sleep 1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+ADDR a.bit.longer.ns.name.bad.
+ADDR a.bit.longer.ns.name.bad.
+ADDR icky.icky.icky.ptang.zoop.boing.bad.
+ADDR ns2.bad.
+ADDR ns3.bad.
+ADDR ns3.bad.
+NS boing.bad.
+__EOF
+cat << __EOF | diff ans3/query.log - > /dev/null || ret=1
+ADDR icky.icky.icky.ptang.zoop.boing.bad.
+__EOF
+cat << __EOF | diff ans4/query.log - > /dev/null || ret=1
+ADDR icky.icky.icky.ptang.zoop.boing.bad.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .ugly fails when qname-minimization is in strict mode ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.6 flush
+$DIG $DIGOPTS icky.icky.icky.ptang.zoop.boing.ugly. @10.53.0.6 > dig.out.test$n
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+sleep 1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+ADDR ns2.ugly.
+NS boing.ugly.
+NS ugly.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+$RNDCCMD 10.53.0.6 flush
+
+n=$((n+1))
+echo_i "query for .ugly succeeds when qname-minimization is in relaxed mode ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.7 flush
+$DIG $DIGOPTS icky.icky.icky.ptang.zoop.boing.ugly. @10.53.0.7 > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "icky.icky.icky.ptang.zoop.boing.ugly. 1	IN A	192.0.2.1" dig.out.test$n > /dev/null || ret=1
+sleep 1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+ADDR a.bit.longer.ns.name.ugly.
+ADDR a.bit.longer.ns.name.ugly.
+ADDR icky.icky.icky.ptang.zoop.boing.ugly.
+ADDR ns2.ugly.
+ADDR ns3.ugly.
+ADDR ns3.ugly.
+NS boing.ugly.
+__EOF
+echo "ADDR icky.icky.icky.ptang.zoop.boing.ugly." | diff ans3/query.log - > /dev/null || ret=1
+echo "ADDR icky.icky.icky.ptang.zoop.boing.ugly." | diff ans4/query.log - > /dev/null || ret=1
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+$RNDCCMD 10.53.0.7 flush
+
+n=$((n+1))
+echo_i "information that minimization was unsuccessful for .ugly is logged in relaxed mode ($n)"
+ret=0
+wait_for_log 5 "success resolving 'icky.icky.icky.ptang.zoop.boing.ugly/A' after disabling qname minimization" ns7/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .slow is properly minimized when qname-minimization is on ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.6 flush
+$DIG $DIGOPTS icky.icky.icky.ptang.zoop.boing.slow. @10.53.0.6 > dig.out.test$n
+sleep 5
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "icky.icky.icky.ptang.zoop.boing.slow. 1	IN A	192.0.2.1" dig.out.test$n > /dev/null || ret=1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+ADDR a.bit.longer.ns.name.slow.
+ADDR a.bit.longer.ns.name.slow.
+ADDR ns2.slow.
+ADDR ns3.slow.
+ADDR ns3.slow.
+NS boing.slow.
+NS slow.
+NS zoop.boing.slow.
+__EOF
+cat << __EOF | diff ans3/query.log - > /dev/null || ret=1
+NS zoop.boing.slow.
+NS ptang.zoop.boing.slow.
+NS icky.ptang.zoop.boing.slow.
+__EOF
+cat << __EOF | diff ans4/query.log - > /dev/null || ret=1
+NS icky.ptang.zoop.boing.slow.
+NS icky.icky.ptang.zoop.boing.slow.
+ADDR icky.icky.icky.ptang.zoop.boing.slow.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .ip6.arpa succeeds and skips on proper boundaries when qname-minimization is on ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.6 flush
+$DIG $DIGOPTS -x 2001:4f8::1 @10.53.0.6 > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.f.4.0.1.0.0.2.ip6.arpa. 1 IN PTR nee.com." dig.out.test$n > /dev/null || ret=1
+sleep 1
+grep -v ADDR ans2/query.log > ans2/query.log.trimmed
+cat << __EOF | diff ans2/query.log.trimmed - > /dev/null || ret=1
+NS 1.0.0.2.ip6.arpa.
+NS 8.f.4.0.1.0.0.2.ip6.arpa.
+NS 0.0.0.0.8.f.4.0.1.0.0.2.ip6.arpa.
+NS 0.0.0.0.0.0.8.f.4.0.1.0.0.2.ip6.arpa.
+NS 0.0.0.0.0.0.0.0.8.f.4.0.1.0.0.2.ip6.arpa.
+PTR 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.f.4.0.1.0.0.2.ip6.arpa.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for multiple label name skips after 7th label ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.6 flush
+$DIG $DIGOPTS more.icky.icky.icky.ptang.zoop.boing.good. @10.53.0.6 > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "more.icky.icky.icky.ptang.zoop.boing.good. 1 IN	A 192.0.2.2" dig.out.test$n > /dev/null || ret=1
+sleep 1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+ADDR a.bit.longer.ns.name.good.
+ADDR a.bit.longer.ns.name.good.
+ADDR ns2.good.
+ADDR ns3.good.
+ADDR ns3.good.
+NS boing.good.
+NS good.
+NS zoop.boing.good.
+__EOF
+cat << __EOF | diff ans3/query.log - > /dev/null || ret=1
+NS zoop.boing.good.
+NS ptang.zoop.boing.good.
+NS icky.ptang.zoop.boing.good.
+__EOF
+# There's no NS icky.icky.icky.ptang.zoop.boing.good. query - we skipped it.
+cat << __EOF | diff ans4/query.log - > /dev/null || ret=1
+NS icky.ptang.zoop.boing.good.
+NS icky.icky.ptang.zoop.boing.good.
+ADDR more.icky.icky.icky.ptang.zoop.boing.good.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "qname minimization is disabled when forwarding ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.7 flush
+$DIG $DIGOPTS a.bit.longer.ns.name.fwd. @10.53.0.7 > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "a.bit.longer.ns.name.fwd. 1	IN	A	10.53.0.4" dig.out.test$n >/dev/null || ret=1
+sleep 1
+cat << __EOF | diff ans2/query.log - > /dev/null || ret=1
+ADDR a.bit.longer.ns.name.fwd.
+__EOF
+for ans in ans2; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "qname minimization resolves unusual ip6.arpa. names ($n)"
+ret=0
+$CLEANQL
+$DIG $DIGOPTS test1.test2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.0.9.4.1.1.1.1.8.2.6.0.1.0.0.2.ip6.arpa. txt @10.53.0.7 > dig.out.test$n 2>&1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+# Expected output in dig.out.test$n:
+# ;; ANSWER SECTION:
+# test1.test2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.0.9.4.1.1.1.1.8.2.6.0.1.0.0.2.ip6.arpa. 1 IN TXT "long_ip6_name"
+grep 'ip6\.arpa.*TXT.*long_ip6_name' dig.out.test$n > /dev/null || ret=1
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Below are test cases for GL #2665: The QNAME minimization (if enabled) should
+# also occur on the second query, after the RRsets have expired from cache.
+# BIND will still have the entries in cache, but marked stale. These stale
+# entries should not prevent the resolver from minimizing the QNAME.
+# We query for the test domain a.b.stale. in all cases (QNAME minimization off,
+# strict mode, and relaxed mode) and expect it to behave the same the second
+# time when we have a stale delegation structure in cache.
+n=$((n+1))
+echo_i "query for .stale is not minimized when qname-minimization is off ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.5 flush
+$DIG $DIGOPTS @10.53.0.5 txt a.b.stale. > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "a\.b\.stale\..*1.*IN.*TXT.*peekaboo" dig.out.test$n > /dev/null || ret=1
+sleep 1
+echo "TXT a.b.stale." | diff ans2/query.log - > /dev/null || ret=1
+echo "TXT a.b.stale." | diff ans3/query.log - > /dev/null || ret=1
+test -f  ans4/query.log && ret=1
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .stale is properly minimized when qname-minimization is in strict mode ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.6 flush
+$DIG $DIGOPTS @10.53.0.6 txt a.b.stale. > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "a\.b\.stale\..*1.*IN.*TXT.*hooray" dig.out.test$n > /dev/null || ret=1
+sleep 1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+ADDR ns.b.stale.
+ADDR ns2.stale.
+NS b.stale.
+NS stale.
+__EOF
+test -f  ans3/query.log && ret=1
+sort ans4/query.log > ans4/query.log.sorted
+cat << __EOF | diff ans4/query.log.sorted - > /dev/null || ret=1
+ADDR ns.b.stale.
+NS b.stale.
+TXT a.b.stale.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .stale is properly minimized when qname-minimization is in relaxed mode ($n)"
+ret=0
+$CLEANQL
+$RNDCCMD 10.53.0.7 flush
+$DIG $DIGOPTS @10.53.0.7 txt a.b.stale. > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "a\.b\.stale\..*1.*IN.*TXT.*hooray" dig.out.test$n > /dev/null || ret=1
+sleep 1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+ADDR ns.b.stale.
+ADDR ns2.stale.
+NS b.stale.
+__EOF
+test -f  ans3/query.log && ret=1
+sort ans4/query.log > ans4/query.log.sorted
+cat << __EOF | diff ans4/query.log.sorted - > /dev/null || ret=1
+ADDR ns.b.stale.
+TXT a.b.stale.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "sleep 2, allow entries in cache to go stale"
+sleep 2
+
+n=$((n+1))
+echo_i "query for .stale is not minimized when qname-minimization is off (stale cache) ($n)"
+ret=0
+$CLEANQL
+$DIG $DIGOPTS @10.53.0.5 txt a.b.stale. > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "a\.b\.stale\..*1.*IN.*TXT.*peekaboo" dig.out.test$n > /dev/null || ret=1
+sleep 1
+echo "TXT a.b.stale." | diff ans2/query.log - > /dev/null || ret=1
+echo "TXT a.b.stale." | diff ans3/query.log - > /dev/null || ret=1
+test -f  ans4/query.log && ret=1
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .stale is properly minimized when qname-minimization is in strict mode (stale cache) ($n)"
+ret=0
+$CLEANQL
+$DIG $DIGOPTS @10.53.0.6 txt a.b.stale. > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "a\.b\.stale\..*1.*IN.*TXT.*hooray" dig.out.test$n > /dev/null || ret=1
+sleep 1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+NS b.stale.
+NS stale.
+__EOF
+test -f  ans3/query.log && ret=1
+sort ans4/query.log > ans4/query.log.sorted
+cat << __EOF | diff ans4/query.log.sorted - > /dev/null || ret=1
+NS b.stale.
+TXT a.b.stale.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "query for .stale is properly minimized when qname-minimization is in relaxed mode (stale cache) ($n)"
+ret=0
+$CLEANQL
+$DIG $DIGOPTS @10.53.0.7 txt a.b.stale. > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "a\.b\.stale\..*1.*IN.*TXT.*hooray" dig.out.test$n > /dev/null || ret=1
+sleep 1
+sort ans2/query.log > ans2/query.log.sorted
+cat << __EOF | diff ans2/query.log.sorted - > /dev/null || ret=1
+NS b.stale.
+__EOF
+test -f  ans3/query.log && ret=1
+sort ans4/query.log > ans4/query.log.sorted
+cat << __EOF | diff ans4/query.log.sorted - > /dev/null || ret=1
+TXT a.b.stale.
+__EOF
+for ans in ans2 ans3 ans4; do mv -f $ans/query.log query-$ans-$n.log 2>/dev/null || true; done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/qmin/tests_sh_qmin.py b/bin/tests/system/qmin/tests_sh_qmin.py
new file mode 100644
index 0000000..6077322
--- /dev/null
+++ b/bin/tests/system/qmin/tests_sh_qmin.py
@@ -0,0 +1,18 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import pytest_custom_markers
+
+
+# The qmin test is inherently unstable, see GL #904 for details.
+@pytest_custom_markers.flaky(max_runs=3)
+def test_qmin(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/reclimit/README b/bin/tests/system/reclimit/README
new file mode 100644
index 0000000..e474907
--- /dev/null
+++ b/bin/tests/system/reclimit/README
@@ -0,0 +1,19 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+system test for recursion limits
+
+ns1  -- root server
+ans2 -- for example.org: delegate to ns1.(n+1).example.org for all n, up to the
+                         value specified in ans.limit (or forever if limit is 0)
+ns3  -- resolver under test
+ans4 -- for ns*.example.com: return address records.
+ans7 -- "victim" server
diff --git a/bin/tests/system/reclimit/ans2/ans.pl b/bin/tests/system/reclimit/ans2/ans.pl
new file mode 100644
index 0000000..4576951
--- /dev/null
+++ b/bin/tests/system/reclimit/ans2/ans.pl
@@ -0,0 +1,235 @@
+#!/usr/bin/env perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use strict;
+use warnings;
+
+use IO::File;
+use IO::Socket;
+use Net::DNS;
+
+my $localaddr = "10.53.0.2";
+my $limit = getlimit();
+my $no_more_waiting = 0;
+my @delayed_response;
+my $timeout;
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $udpsock = IO::Socket::INET->new(LocalAddr => "$localaddr",
+   LocalPort => $localport, Proto => "udp", Reuse => 1) or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+my $count = 0;
+my $send_response = 0;
+
+sub getlimit {
+    if ( -e "ans.limit") {
+	open(FH, "<", "ans.limit");
+	my $line = <FH>;
+	chomp $line;
+	close FH;
+	if ($line =~ /^\d+$/) {
+	    return $line;
+	}
+    }
+
+    return 0;
+}
+
+# If $wait == 0 is returned, returned reply will be sent immediately.
+# If $wait == 1 is returned, sending the returned reply might be delayed; see
+# comments inside handle_UDP() for details.
+sub reply_handler {
+    my ($qname, $qclass, $qtype) = @_;
+    my ($rcode, @ans, @auth, @add, $wait);
+
+    print ("request: $qname/$qtype\n");
+    STDOUT->flush();
+
+    $wait = 0;
+    $count += 1;
+
+    if ($qname eq "count" ) {
+	if ($qtype eq "TXT") {
+	    my ($ttl, $rdata) = (0, "$count");
+	    my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata");
+	    push @ans, $rr;
+	    print ("\tcount: $count\n");
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "reset" ) {
+	$count = 0;
+	$send_response = 0;
+	$limit = getlimit();
+	$rcode = "NOERROR";
+	print ("\tlimit: $limit\n");
+    } elsif ($qname eq "direct.example.org" ) {
+	if ($qtype eq "A") {
+	    my ($ttl, $rdata) = (3600, $localaddr);
+	    my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata");
+	    push @ans, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "indirect1.example.org" ||
+	     $qname eq "indirect2.example.org" ||
+	     $qname eq "indirect3.example.org" ||
+	     $qname eq "indirect4.example.org" ||
+	     $qname eq "indirect5.example.org" ||
+	     $qname eq "indirect6.example.org" ||
+	     $qname eq "indirect7.example.org" ||
+	     $qname eq "indirect8.example.org") {
+	if (! $send_response) {
+	    my $rr = new Net::DNS::RR("$qname 86400 $qclass NS ns1.1.example.org");
+	    push @auth, $rr;
+	} elsif ($qtype eq "A") {
+	    my ($ttl, $rdata) = (3600, $localaddr);
+	    my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata");
+	    push @ans, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname =~ /^ns1\.(\d+)\.example\.org$/) {
+	my $next = $1 + 1;
+	$wait = 1;
+	if ($limit == 0 || (! $send_response && $next <= $limit)) {
+	    my $rr = new Net::DNS::RR("$1.example.org 86400 $qclass NS ns1.$next.example.org");
+	    push @auth, $rr;
+	} else {
+	    $send_response = 1;
+	    if ($qtype eq "A") {
+		my ($ttl, $rdata) = (3600, "10.53.0.4");
+		my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata");
+		print("\tresponse: $qname $ttl $qclass $qtype $rdata\n");
+		push @ans, $rr;
+	    }
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "direct.example.net" ) {
+	if ($qtype eq "A") {
+	    my ($ttl, $rdata) = (3600, $localaddr);
+	    my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata");
+	    push @ans, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif( $qname =~ /^ns1\.(\d+)\.example\.net$/ ) {
+	my $next = ($1 + 1) * 16;
+	for (my $i = 1; $i < 16; $i++) {
+	    my $s = $next + $i;
+	    my $rr = new Net::DNS::RR("$1.example.net 86400 $qclass NS ns1.$s.example.net");
+	    push @auth, $rr;
+	    $rr = new Net::DNS::RR("ns1.$s.example.net 86400 $qclass A 10.53.0.7");
+	    push @add, $rr;
+	}
+	$rcode = "NOERROR";
+    } else {
+	$rcode = "NXDOMAIN";
+    }
+
+    return ($rcode, \@ans, \@auth, \@add, $wait);
+}
+
+sub handleUDP {
+	my ($buf, $peer) = @_;
+	my ($request, $rcode, $ans, $auth, $add, $wait);
+
+	$request = new Net::DNS::Packet(\$buf, 0);
+	$@ and die $@;
+
+	my ($question) = $request->question;
+	my $qname = $question->qname;
+	my $qclass = $question->qclass;
+	my $qtype = $question->qtype;
+
+	($rcode, $ans, $auth, $add, $wait) = reply_handler($qname, $qclass, $qtype);
+
+	my $reply = $request->reply();
+
+	$reply->header->rcode($rcode);
+	$reply->header->aa(@$ans ? 1 : 0);
+	$reply->header->id($request->header->id);
+	$reply->{answer} = $ans if $ans;
+	$reply->{authority} = $auth if $auth;
+	$reply->{additional} = $add if $add;
+
+	if ($wait) {
+		# reply_handler() asked us to delay sending this reply until
+		# another reply with $wait == 1 is generated or a timeout
+		# occurs.
+		if (@delayed_response) {
+			# A delayed reply is already queued, so we can now send
+			# both the delayed reply and the current reply.
+			send_delayed_response();
+			return $reply;
+		} elsif ($no_more_waiting) {
+			# It was determined before that there is no point in
+			# waiting for "accompanying" queries.  Thus, send the
+			# current reply immediately.
+			return $reply;
+		} else {
+			# No delayed reply is queued and the client is expected
+			# to send an "accompanying" query shortly.  Do not send
+			# the current reply right now, just save it for later
+			# and wait for an "accompanying" query to be received.
+			@delayed_response = ($reply, $peer);
+			$timeout = 0.5;
+			return;
+		}
+	} else {
+		# Send reply immediately.
+		return $reply;
+	}
+}
+
+sub send_delayed_response {
+	my ($reply, $peer) = @delayed_response;
+	# Truncation to 512 bytes is required for triggering "NS explosion" on
+	# builds without IPv6 support
+	$udpsock->send($reply->data(512), 0, $peer);
+	undef @delayed_response;
+	undef $timeout;
+}
+
+# Main
+my $rin;
+my $rout;
+for (;;) {
+	$rin = '';
+	vec($rin, fileno($udpsock), 1) = 1;
+
+	select($rout = $rin, undef, undef, $timeout);
+
+	if (vec($rout, fileno($udpsock), 1)) {
+		my ($buf, $peer, $reply);
+		$udpsock->recv($buf, 512);
+		$peer = $udpsock->peername();
+		$reply = handleUDP($buf, $peer);
+		# Truncation to 512 bytes is required for triggering "NS
+		# explosion" on builds without IPv6 support
+		$udpsock->send($reply->data(512), 0, $peer) if $reply;
+	} else {
+		# An "accompanying" query was expected to come in, but did not.
+		# Assume the client never sends "accompanying" queries to
+		# prevent pointlessly waiting for them ever again.
+		$no_more_waiting = 1;
+		# Send the delayed reply to the query which caused us to wait.
+		send_delayed_response();
+	}
+}
diff --git a/bin/tests/system/reclimit/ans4/ans.pl b/bin/tests/system/reclimit/ans4/ans.pl
new file mode 100644
index 0000000..d5002aa
--- /dev/null
+++ b/bin/tests/system/reclimit/ans4/ans.pl
@@ -0,0 +1,240 @@
+#!/usr/bin/env perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use strict;
+use warnings;
+
+use IO::File;
+use IO::Socket;
+use Net::DNS;
+
+my $localaddr = "10.53.0.4";
+my $limit = getlimit();
+my $no_more_waiting = 0;
+my @delayed_response;
+my $timeout;
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $udpsock = IO::Socket::INET->new(LocalAddr => "$localaddr",
+   LocalPort => $localport, Proto => "udp", Reuse => 1) or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+my $count = 0;
+my $send_response = 1;
+
+sub getlimit {
+    if ( -e "ans.limit") {
+	open(FH, "<", "ans.limit");
+	my $line = <FH>;
+	chomp $line;
+	close FH;
+	if ($line =~ /^\d+$/) {
+	    return $line;
+	}
+    }
+
+    return 0;
+}
+
+# If $wait == 0 is returned, returned reply will be sent immediately.
+# If $wait == 1 is returned, sending the returned reply might be delayed; see
+# comments inside handle_UDP() for details.
+sub reply_handler {
+    my ($qname, $qclass, $qtype) = @_;
+    my ($rcode, @ans, @auth, @add, $wait);
+
+    print ("request: $qname/$qtype\n");
+    STDOUT->flush();
+
+    $wait = 0;
+    $count += 1;
+
+    if ($qname eq "count" ) {
+	if ($qtype eq "TXT") {
+	    my ($ttl, $rdata) = (0, "$count");
+	    my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata");
+	    push @ans, $rr;
+	    print ("\tcount: $count\n");
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "reset" ) {
+	$count = 0;
+	$send_response = 1;
+	$limit = getlimit();
+	$rcode = "NOERROR";
+	print ("\tlimit: $limit\n");
+    } elsif ($qname eq "direct.example.org" ) {
+	if ($qtype eq "A") {
+	    my ($ttl, $rdata) = (3600, $localaddr);
+	    my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata");
+	    push @ans, $rr;
+	    print ("\twait=$wait ans: $qname $ttl $qclass $qtype $rdata\n");
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "indirect1.example.org" ||
+	     $qname eq "indirect2.example.org" ||
+	     $qname eq "indirect3.example.org" ||
+	     $qname eq "indirect4.example.org" ||
+	     $qname eq "indirect5.example.org" ||
+	     $qname eq "indirect6.example.org" ||
+	     $qname eq "indirect7.example.org" ||
+	     $qname eq "indirect8.example.org") {
+	if ($qtype eq "A") {
+	    my ($ttl, $rdata) = (3600, $localaddr);
+	    my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata");
+	    push @ans, $rr;
+	    print ("\twait=$wait ans: $qname $ttl $qclass $qtype $rdata\n");
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname =~ /^ns1\.(\d+)\.example\.org$/) {
+	my $next = $1 + 1;
+	$wait = 1;
+	if ($limit == 0) {
+	    my $rr = new Net::DNS::RR("$1.example.org 86400 $qclass NS ns1.$next.example.org");
+	    push @auth, $rr;
+	    print ("\twait=$wait auth: $1.example.org 86400 $qclass NS ns1.$next.example.org\n");
+	} else {
+	    $send_response = 1;
+	    if ($qtype eq "A") {
+		my ($ttl, $rdata) = (3600, $localaddr);
+		my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata");
+		print("\tresponse: $qname $ttl $qclass $qtype $rdata\n");
+		push @ans, $rr;
+	    }
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "direct.example.net" ) {
+        if ($qtype eq "A") {
+            my ($ttl, $rdata) = (3600, $localaddr);
+            my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata");
+            push @ans, $rr;
+	    print ("\twait=$wait ans: $qname $ttl $qclass $qtype $rdata\n");
+        }
+        $rcode = "NOERROR";
+    } elsif( $qname =~ /^ns1\.(\d+)\.example\.net$/ ) {
+        my $next = ($1 + 1) * 16;
+        for (my $i = 1; $i < 16; $i++) {
+            my $s = $next + $i;
+            my $rr = new Net::DNS::RR("$1.example.net 86400 $qclass NS ns1.$s.example.net");
+            push @auth, $rr;
+	    print ("\twait=$wait auth: $1.example.net 86400 $qclass NS ns1.$s.example.net\n");
+            $rr = new Net::DNS::RR("ns1.$s.example.net 86400 $qclass A 10.53.0.7");
+	    print ("\twait=$wait add: ns1.$s.example.net 86400 $qclass A 10.53.0.7\n");
+            push @add, $rr;
+        }
+        $rcode = "NOERROR";
+    } else {
+	$rcode = "NXDOMAIN";
+	    print ("\twait=$wait NXDOMAIN\n");
+    }
+
+    return ($rcode, \@ans, \@auth, \@add, $wait);
+}
+
+sub handleUDP {
+	my ($buf, $peer) = @_;
+	my ($request, $rcode, $ans, $auth, $add, $wait);
+
+	$request = new Net::DNS::Packet(\$buf, 0);
+	$@ and die $@;
+
+	my ($question) = $request->question;
+	my $qname = $question->qname;
+	my $qclass = $question->qclass;
+	my $qtype = $question->qtype;
+
+	($rcode, $ans, $auth, $add, $wait) = reply_handler($qname, $qclass, $qtype);
+
+	my $reply = $request->reply();
+
+	$reply->header->rcode($rcode);
+	$reply->header->aa(@$ans ? 1 : 0);
+	$reply->header->id($request->header->id);
+	$reply->{answer} = $ans if $ans;
+	$reply->{authority} = $auth if $auth;
+	$reply->{additional} = $add if $add;
+
+	if ($wait) {
+		# reply_handler() asked us to delay sending this reply until
+		# another reply with $wait == 1 is generated or a timeout
+		# occurs.
+		if (@delayed_response) {
+			# A delayed reply is already queued, so we can now send
+			# both the delayed reply and the current reply.
+			send_delayed_response();
+			return $reply;
+		} elsif ($no_more_waiting) {
+			# It was determined before that there is no point in
+			# waiting for "accompanying" queries.  Thus, send the
+			# current reply immediately.
+			return $reply;
+		} else {
+			# No delayed reply is queued and the client is expected
+			# to send an "accompanying" query shortly.  Do not send
+			# the current reply right now, just save it for later
+			# and wait for an "accompanying" query to be received.
+			@delayed_response = ($reply, $peer);
+			$timeout = 0.5;
+			return;
+		}
+	} else {
+		# Send reply immediately.
+		return $reply;
+	}
+}
+
+sub send_delayed_response {
+	my ($reply, $peer) = @delayed_response;
+	# Truncation to 512 bytes is required for triggering "NS explosion" on
+	# builds without IPv6 support
+	$udpsock->send($reply->data(512), 0, $peer);
+	undef @delayed_response;
+	undef $timeout;
+	print ("send_delayed_response\n");
+}
+
+# Main
+my $rin;
+my $rout;
+for (;;) {
+	$rin = '';
+	vec($rin, fileno($udpsock), 1) = 1;
+
+	select($rout = $rin, undef, undef, $timeout);
+
+	if (vec($rout, fileno($udpsock), 1)) {
+		my ($buf, $peer, $reply);
+		$udpsock->recv($buf, 512);
+		$peer = $udpsock->peername();
+		$reply = handleUDP($buf, $peer);
+		# Truncation to 512 bytes is required for triggering "NS
+		# explosion" on builds without IPv6 support
+		$udpsock->send($reply->data(512), 0, $peer) if $reply;
+	} else {
+		# An "accompanying" query was expected to come in, but did not.
+		# Assume the client never sends "accompanying" queries to
+		# prevent pointlessly waiting for them ever again.
+		$no_more_waiting = 1;
+		# Send the delayed reply to the query which caused us to wait.
+		send_delayed_response();
+	}
+}
diff --git a/bin/tests/system/reclimit/ans7/ans.pl b/bin/tests/system/reclimit/ans7/ans.pl
new file mode 100644
index 0000000..41a44a6
--- /dev/null
+++ b/bin/tests/system/reclimit/ans7/ans.pl
@@ -0,0 +1,76 @@
+#!/usr/bin/env perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use strict;
+use warnings;
+
+use IO::File;
+use Getopt::Long;
+use Net::DNS::Nameserver;
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+my $count = 0;
+
+my $localaddr = "10.53.0.7";
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+my $verbose = 0;
+
+sub reply_handler {
+    my ($qname, $qclass, $qtype, $peerhost, $query, $conn) = @_;
+    my ($rcode, @ans, @auth, @add);
+
+    print ("request: $qname/$qtype\n");
+    STDOUT->flush();
+
+    $count += 1;
+
+    if ($qname eq "count" ) {
+        if ($qtype eq "TXT") {
+            my ($ttl, $rdata) = (0, "$count");
+            my $rr = new Net::DNS::RR("$qname $ttl $qclass $qtype $rdata");
+            push @ans, $rr;
+            print ("\tcount: $count\n");
+        }
+        $rcode = "NOERROR";
+    } elsif ($qname eq "reset") {
+        $count = 0;
+        $rcode = "NOERROR";
+    } else {
+        $rcode = "REFUSED";
+    }
+
+    # mark the answer as authoritative (by setting the 'aa' flag
+    return ($rcode, \@ans, \@auth, \@add, { aa => 1 });
+}
+
+GetOptions(
+    'port=i' => \$localport,
+    'verbose!' => \$verbose,
+);
+
+my $ns = Net::DNS::Nameserver->new(
+    LocalAddr => $localaddr,
+    LocalPort => $localport,
+    ReplyHandler => \&reply_handler,
+    Verbose => $verbose,
+);
+
+$ns->main_loop;
diff --git a/bin/tests/system/reclimit/clean.sh b/bin/tests/system/reclimit/clean.sh
new file mode 100644
index 0000000..0a92f90
--- /dev/null
+++ b/bin/tests/system/reclimit/clean.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out*
+rm -f ans?/ans.run
+rm -f ans2/ans.limit
+rm -f ans4/ans.limit
+rm -f ns?/named.memstats
+rm -f ns?/named.run
+rm -f ns*/named.conf
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/reclimit/ns1/named.conf.in b/bin/tests/system/reclimit/ns1/named.conf.in
new file mode 100644
index 0000000..63cb706
--- /dev/null
+++ b/bin/tests/system/reclimit/ns1/named.conf.in
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	directory ".";
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." { type primary; file "root.db"; };
diff --git a/bin/tests/system/reclimit/ns1/root.db b/bin/tests/system/reclimit/ns1/root.db
new file mode 100644
index 0000000..412715c
--- /dev/null
+++ b/bin/tests/system/reclimit/ns1/root.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+. 60 IN SOA ns.nil. hostmaster.ns.nil. 1 0 0 0 0
+. 60 IN NS ns.nil.
+ns.nil. 60 IN A 10.53.0.1
+ns.tld1. 60 IN A 10.53.0.1
+example.org. 60 IN NS direct.example.org.
+direct.example.org. 60 IN A 10.53.0.2
+example.net. 60 IN NS direct.example.net.
+direct.example.net. 60 IN A 10.53.0.2
+example.com. 60 IN NS direct.example.com.
+direct.example.com. 60 IN A 10.53.0.4
diff --git a/bin/tests/system/reclimit/ns3/hints.db b/bin/tests/system/reclimit/ns3/hints.db
new file mode 100644
index 0000000..c9264bf
--- /dev/null
+++ b/bin/tests/system/reclimit/ns3/hints.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+. 60 IN NS ns.nil.
+ns.nil. 60 IN A 10.53.0.1
diff --git a/bin/tests/system/reclimit/ns3/named1.conf.in b/bin/tests/system/reclimit/ns3/named1.conf.in
new file mode 100644
index 0000000..58b5d02
--- /dev/null
+++ b/bin/tests/system/reclimit/ns3/named1.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	directory ".";
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	servfail-ttl 0;
+	qname-minimization disabled;
+	max-recursion-depth 12;
+	recursion yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type hint; file "hints.db"; };
diff --git a/bin/tests/system/reclimit/ns3/named2.conf.in b/bin/tests/system/reclimit/ns3/named2.conf.in
new file mode 100644
index 0000000..b5389f4
--- /dev/null
+++ b/bin/tests/system/reclimit/ns3/named2.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	directory ".";
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	servfail-ttl 0;
+	qname-minimization disabled;
+	max-recursion-depth 5;
+	recursion yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type hint; file "hints.db"; };
diff --git a/bin/tests/system/reclimit/ns3/named3.conf.in b/bin/tests/system/reclimit/ns3/named3.conf.in
new file mode 100644
index 0000000..f356f24
--- /dev/null
+++ b/bin/tests/system/reclimit/ns3/named3.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	directory ".";
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	servfail-ttl 0;
+	qname-minimization disabled;
+	max-recursion-depth 100;
+	max-recursion-queries 50;
+	recursion yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type hint; file "hints.db"; };
diff --git a/bin/tests/system/reclimit/ns3/named4.conf.in b/bin/tests/system/reclimit/ns3/named4.conf.in
new file mode 100644
index 0000000..728f00b
--- /dev/null
+++ b/bin/tests/system/reclimit/ns3/named4.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	directory ".";
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	servfail-ttl 0;
+	qname-minimization disabled;
+	max-recursion-depth 100;
+	max-recursion-queries 40;
+	recursion yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type hint; file "hints.db"; };
diff --git a/bin/tests/system/reclimit/setup.sh b/bin/tests/system/reclimit/setup.sh
new file mode 100644
index 0000000..c877f3b
--- /dev/null
+++ b/bin/tests/system/reclimit/setup.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns3/named1.conf.in ns3/named.conf
diff --git a/bin/tests/system/reclimit/tests.sh b/bin/tests/system/reclimit/tests.sh
new file mode 100644
index 0000000..7e80d22
--- /dev/null
+++ b/bin/tests/system/reclimit/tests.sh
@@ -0,0 +1,212 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+
+status=0
+n=0
+
+ns3_reset() {
+	copy_setports $1 ns3/named.conf
+	$RNDC -c ../common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} reconfig 2>&1 | sed 's/^/I:ns3 /'
+	$RNDC -c ../common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} flush | sed 's/^/I:ns3 /'
+}
+
+ns3_sends_aaaa_queries() {
+	if grep "started AAAA fetch" ns3/named.run >/dev/null; then
+		return 0
+	else
+		return 1
+	fi
+}
+
+# Check whether the number of queries ans2 received from ns3 (this value is
+# read from dig output stored in file $1) is as expected.  The expected query
+# count is variable:
+#   - if ns3 sends AAAA queries, the query count should equal $2,
+#   - if ns3 does not send AAAA queries, the query count should equal $3.
+check_query_count() {
+	count1=$(sed 's/[^0-9]//g;' $1)
+	count2=$(sed 's/[^0-9]//g;' $2)
+	count=$((count1 + count2))
+	#echo_i "count1=$count1 count2=$count2 count=$count"
+	expected_count_with_aaaa=$3
+	expected_count_without_aaaa=$4
+
+	if ns3_sends_aaaa_queries; then
+		expected_count=$expected_count_with_aaaa
+	else
+		expected_count=$expected_count_without_aaaa
+	fi
+
+	if [ $count -ne $expected_count ]; then
+		echo_i "count $count (actual) != $expected_count (expected)"
+		ret=1
+	fi
+}
+
+echo_i "set max-recursion-depth=12"
+
+n=$((n + 1))
+echo_i "attempt excessive-depth lookup ($n)"
+ret=0
+echo "1000" > ans2/ans.limit
+echo "1000" > ans4/ans.limit
+$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.4 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 indirect1.example.org > dig.out.1.test$n || ret=1
+grep "status: SERVFAIL" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1
+$DIG $DIGOPTS +short @10.53.0.4 count txt > dig.out.4.test$n || ret=1
+check_query_count dig.out.2.test$n dig.out.4.test$n 27 14
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "attempt permissible lookup ($n)"
+ret=0
+echo "12" > ans2/ans.limit
+echo "12" > ans4/ans.limit
+ns3_reset ns3/named1.conf.in
+$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.4 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 indirect2.example.org > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1
+$DIG $DIGOPTS +short @10.53.0.4 count txt > dig.out.4.test$n || ret=1
+check_query_count dig.out.2.test$n dig.out.4.test$n 50 26
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "set max-recursion-depth=5"
+
+n=$((n + 1))
+echo_i "attempt excessive-depth lookup ($n)"
+ret=0
+echo "12" > ans2/ans.limit
+ns3_reset ns3/named2.conf.in
+$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.4 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 indirect3.example.org > dig.out.1.test$n || ret=1
+grep "status: SERVFAIL" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1
+$DIG $DIGOPTS +short @10.53.0.4 count txt > dig.out.4.test$n || ret=1
+check_query_count dig.out.2.test$n dig.out.4.test$n 13 7
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "attempt permissible lookup ($n)"
+ret=0
+echo "5" > ans2/ans.limit
+echo "5" > ans4/ans.limit
+ns3_reset ns3/named2.conf.in
+$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.4 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 indirect4.example.org > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1
+$DIG $DIGOPTS +short @10.53.0.4 count txt > dig.out.4.test$n || ret=1
+check_query_count dig.out.2.test$n dig.out.4.test$n 22 12
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "set max-recursion-depth=100, max-recursion-queries=50"
+
+n=$((n + 1))
+echo_i "attempt excessive-queries lookup ($n)"
+ret=0
+echo "13" > ans2/ans.limit
+echo "13" > ans4/ans.limit
+ns3_reset ns3/named3.conf.in
+$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.4 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 indirect5.example.org > dig.out.1.test$n || ret=1
+if ns3_sends_aaaa_queries; then
+  grep "status: SERVFAIL" dig.out.1.test$n > /dev/null || ret=1
+fi
+$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1
+$DIG $DIGOPTS +short @10.53.0.4 count txt > dig.out.4.test$n || ret=1
+eval count=$(cat dig.out.2.test$n)
+[ $count -le 50 ] || { ret=1; echo_i "count ($count) !<= 50"; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "attempt permissible lookup ($n)"
+ret=0
+echo "12" > ans2/ans.limit
+ns3_reset ns3/named3.conf.in
+$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 indirect6.example.org > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1
+eval count=$(cat dig.out.2.test$n)
+[ $count -le 50 ] || { ret=1; echo_i "count ($count) !<= 50"; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "set max-recursion-depth=100, max-recursion-queries=40"
+
+n=$((n + 1))
+echo_i "attempt excessive-queries lookup ($n)"
+ret=0
+echo "11" > ans2/ans.limit
+ns3_reset ns3/named4.conf.in
+$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 indirect7.example.org > dig.out.1.test$n || ret=1
+if ns3_sends_aaaa_queries; then
+  grep "status: SERVFAIL" dig.out.1.test$n > /dev/null || ret=1
+fi
+$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1
+eval count=$(cat dig.out.2.test$n)
+[ $count -le 40 ] || { ret=1; echo_i "count ($count) !<= 40"; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "attempt permissible lookup ($n)"
+ret=0
+echo "9" > ans2/ans.limit
+ns3_reset ns3/named4.conf.in
+$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1
+$DIG $DIGOPTS @10.53.0.3 indirect8.example.org > dig.out.1.test$n || ret=1
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1
+eval count=$(cat dig.out.2.test$n)
+[ $count -le 40 ] || { ret=1; echo_i "count ($count) !<= 40"; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "attempting NS explosion ($n)"
+ret=0
+ns3_reset ns3/named4.conf.in
+$DIG $DIGOPTS @10.53.0.2 reset > /dev/null || ret=1
+$DIG $DIGOPTS +short @10.53.0.3 ns1.1.example.net > dig.out.1.test$n || ret=1
+$DIG $DIGOPTS +short @10.53.0.2 count txt > dig.out.2.test$n || ret=1
+eval count=$(cat dig.out.2.test$n)
+[ $count -lt 50 ] || ret=1
+$DIG $DIGOPTS +short @10.53.0.7 count txt > dig.out.3.test$n || ret=1
+eval count=$(cat dig.out.3.test$n)
+[ $count -lt 50 ] || { ret=1; echo_i "count ($count) !<= 50";  }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#grep "duplicate query" ns3/named.run
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/reclimit/tests_sh_reclimit.py b/bin/tests/system/reclimit/tests_sh_reclimit.py
new file mode 100644
index 0000000..4710027
--- /dev/null
+++ b/bin/tests/system/reclimit/tests_sh_reclimit.py
@@ -0,0 +1,18 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import pytest_custom_markers
+
+
+# The reclimit is known to be quite unstable. GL #1587
+@pytest_custom_markers.flaky(max_runs=2)
+def test_reclimit(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/redirect/clean.sh b/bin/tests/system/redirect/clean.sh
new file mode 100644
index 0000000..9489c94
--- /dev/null
+++ b/bin/tests/system/redirect/clean.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */named.conf
+rm -f */named.memstats
+rm -f */named.run
+rm -f */named.stats
+rm -f dig.out.*
+rm -f ns*/named.lock
+rm -f ns1/K*
+rm -f ns1/dsset-nsec3.
+rm -f ns1/dsset-signed.
+rm -f ns1/nsec3.db*
+rm -f ns1/signed.db*
+rm -f ns2/*.db
+rm -f ns3/K*
+rm -f ns3/dsset-nsec3.
+rm -f ns3/dsset-signed.
+rm -f ns3/nsec3.db*
+rm -f ns3/signed.db*
+rm -f ns4/*.db
+rm -f ns5/dsset-*
+rm -f ns5/K* ns5/sign.ns5.*
+rm -f ns5/root.db ns5/root.db.signed
+rm -f ns5/signed.db ns5/signed.db.signed
+rm -f ns6/signed.db.signed
+rm -f rndc.out
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/redirect/conf/bad1.conf b/bin/tests/system/redirect/conf/bad1.conf
new file mode 100644
index 0000000..5ff4fee
--- /dev/null
+++ b/bin/tests/system/redirect/conf/bad1.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type hint;
+	file "hint.db";
+};
+
+zone "." {
+	type redirect;
+	file "redirect.db";
+	allow-query { 10.0.1.0; };
+/* option 'forwarders' is not allowed in 'redirect' zone '.' */
+	forwarders { 1.2.3.4; };
+};
diff --git a/bin/tests/system/redirect/conf/bad2.conf b/bin/tests/system/redirect/conf/bad2.conf
new file mode 100644
index 0000000..0cf0a68
--- /dev/null
+++ b/bin/tests/system/redirect/conf/bad2.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type hint;
+	file "hint.db";
+};
+
+zone "." {
+	type redirect;
+	file "redirect.db";
+	allow-query { 10.0.1.0; };
+/* option 'also-notify' is not allowed in 'redirect' zone '.' */
+	also-notify { 1.2.3.4; };
+};
diff --git a/bin/tests/system/redirect/conf/bad3.conf b/bin/tests/system/redirect/conf/bad3.conf
new file mode 100644
index 0000000..b034c5b
--- /dev/null
+++ b/bin/tests/system/redirect/conf/bad3.conf
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type hint;
+	file "hint.db";
+};
+
+/* redirect zones must be called "." */
+zone "x" {
+	type redirect;
+	file "redirect.db";
+	allow-query { 10.0.1.0; };
+};
diff --git a/bin/tests/system/redirect/conf/good1.conf b/bin/tests/system/redirect/conf/good1.conf
new file mode 100644
index 0000000..c5711e5
--- /dev/null
+++ b/bin/tests/system/redirect/conf/good1.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type hint;
+	file "hint.db";
+};
+
+zone "." {
+	type redirect;
+	file "redirect.db";
+};
diff --git a/bin/tests/system/redirect/conf/good2.conf b/bin/tests/system/redirect/conf/good2.conf
new file mode 100644
index 0000000..f6ebd63
--- /dev/null
+++ b/bin/tests/system/redirect/conf/good2.conf
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type primary;
+	file "primary.db";
+};
+
+zone "." {
+	type redirect;
+	file "redirect.db";
+};
diff --git a/bin/tests/system/redirect/conf/good3.conf b/bin/tests/system/redirect/conf/good3.conf
new file mode 100644
index 0000000..dcdd954
--- /dev/null
+++ b/bin/tests/system/redirect/conf/good3.conf
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type secondary;
+	file "sec.db";
+	primaries { 1.2.3.4; };
+};
+
+zone "." {
+	type redirect;
+	file "redirect.db";
+};
diff --git a/bin/tests/system/redirect/conf/good4.conf b/bin/tests/system/redirect/conf/good4.conf
new file mode 100644
index 0000000..e046577
--- /dev/null
+++ b/bin/tests/system/redirect/conf/good4.conf
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "." {
+	type hint;
+	file "hint.db";
+};
+
+zone "." {
+	type redirect;
+	file "redirect.db";
+	allow-query { 10.0.1.0; };
+};
diff --git a/bin/tests/system/redirect/ns1/example.db b/bin/tests/system/redirect/ns1/example.db
new file mode 100644
index 0000000..90c09d4
--- /dev/null
+++ b/bin/tests/system/redirect/ns1/example.db
@@ -0,0 +1,50 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	3600
+@	SOA ns1 marka.isc.org. 0 0 0 0 1200
+@	NS ns1
+ns1	A	10.53.0.1
+excluded-good-a	AAAA	2001:eeee::1
+		A	1.2.3.4
+excluded-bad-a	AAAA	2001:eeee::2
+		A	10.0.0.1
+excluded-only	AAAA	2001:eeee::3
+partially-excluded-good-a	AAAA	2001:eeee::1
+		AAAA	2001::1
+		A	1.2.3.4
+partially-excluded-bad-a	AAAA	2001:eeee::2
+		AAAA	2001::2
+		A	10.0.0.1
+partially-excluded-only	AAAA	2001:eeee::3
+		AAAA	2001::3
+a-only		A	1.2.3.5
+a-and-aaaa	AAAA	2001::1
+		A	1.2.3.6
+aaaa-only	AAAA	2001::2
+a-not-mapped	A	10.0.0.2
+mx-only		MX	10 ns.example.
+cname-excluded-good-a CNAME excluded-good-a
+cname-excluded-bad-a CNAME excluded-bad-a
+cname-excluded-only CNAME excluded-only
+cname-partial-excluded-good-a CNAME partial-excluded-good-a
+cname-partial-excluded-bad-a CNAME partial-excluded-bad-a
+cname-partial-excluded-only CNAME partial-excluded-only
+cname-a-only CNAME a-only
+cname-a-and-aaaa CNAME a-and-aaaa
+cname-aaaa-only CNAME aaaa-only
+cname-a-not-mapped CNAME a-not-mapped
+cname-mx-only CNAME mx-only
+cname-non-existent CNAME non-existent
+ttl-less-than-600 500 A 5.6.7.8
+ttl-more-than-600 700 A 5.6.7.8
+ttl-less-than-minimum 1100 A 5.6.7.8
+ttl-more-than-minimum 1300 A 5.6.7.8
diff --git a/bin/tests/system/redirect/ns1/named.conf.in b/bin/tests/system/redirect/ns1/named.conf.in
new file mode 100644
index 0000000..412b874
--- /dev/null
+++ b/bin/tests/system/redirect/ns1/named.conf.in
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	allow-recursion { 10.53.0.1; };
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "signed" {
+	type primary;
+	file "signed.db.signed";
+};
+
+zone "nsec3" {
+	type primary;
+	file "nsec3.db.signed";
+};
+
+zone "." {
+	type redirect;
+	file "redirect.db";
+	allow-query { !10.53.0.2; !10.53.0.4; any; };
+};
+
+// include "trusted.conf";
diff --git a/bin/tests/system/redirect/ns1/redirect.db b/bin/tests/system/redirect/ns1/redirect.db
new file mode 100644
index 0000000..b2a60bb
--- /dev/null
+++ b/bin/tests/system/redirect/ns1/redirect.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ IN SOA ns.example.net hostmaster.example.net 0 0 0 0 0
+@ IN NS ns.example.net
+;
+; NS records do not need address records in this zone as it is not in the
+; normal namespace.
+;
+*. IN A 100.100.100.2
+*. IN AAAA 2001:ffff:ffff::100.100.100.2
diff --git a/bin/tests/system/redirect/ns1/root.db b/bin/tests/system/redirect/ns1/root.db
new file mode 100644
index 0000000..6df215f
--- /dev/null
+++ b/bin/tests/system/redirect/ns1/root.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	a.root-servers.nil. marka.isc.org. 0 0 0 0 0
+@		NS	a.root-servers.nil.
+a.root-servers.nil.      A   10.53.0.1
+example		NS	ns1.example.
+ns1.example.	A	10.53.0.1
+signed		NS	ns1.example.
+ns1.signed.	A	10.53.0.1
diff --git a/bin/tests/system/redirect/ns1/sign.sh b/bin/tests/system/redirect/ns1/sign.sh
new file mode 100644
index 0000000..974e6ca
--- /dev/null
+++ b/bin/tests/system/redirect/ns1/sign.sh
@@ -0,0 +1,36 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=signed
+infile=example.db
+zonefile=signed.db
+
+key1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} $zone)
+key2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk $zone)
+
+cat $infile $key1.key $key2.key > $zonefile
+
+$SIGNER -P -g -o $zone $zonefile > /dev/null
+
+zone=nsec3
+infile=example.db
+zonefile=nsec3.db
+
+key1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -3 $zone)
+key2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -3 -fk $zone)
+
+cat $infile $key1.key $key2.key > $zonefile
+
+$SIGNER -P -3 - -g -o $zone $zonefile > /dev/null
diff --git a/bin/tests/system/redirect/ns2/example.db.in b/bin/tests/system/redirect/ns2/example.db.in
new file mode 100644
index 0000000..a87ae7d
--- /dev/null
+++ b/bin/tests/system/redirect/ns2/example.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@ IN SOA ns.example.net hostmaster.example.net 0 0 0 0 0
+@       NS	ns2
+ns2	A	10.53.0.2
+a	A	10.53.0.2
diff --git a/bin/tests/system/redirect/ns2/named.conf.in b/bin/tests/system/redirect/ns2/named.conf.in
new file mode 100644
index 0000000..9b88736
--- /dev/null
+++ b/bin/tests/system/redirect/ns2/named.conf.in
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+controls { /* empty */ };
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation yes;
+
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "." {
+	type redirect;
+	file "redirect.db";
+	allow-query { !10.53.0.4; any; };
+};
+
+zone "example.nil" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/redirect/ns2/redirect.db.in b/bin/tests/system/redirect/ns2/redirect.db.in
new file mode 100644
index 0000000..e05d64d
--- /dev/null
+++ b/bin/tests/system/redirect/ns2/redirect.db.in
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ IN SOA ns.example.net hostmaster.example.net 0 0 0 0 0
+@ IN NS ns.example.net
+;
+; NS records do not need address records in this zone as it is not in the
+; normal namespace.
+;
+*. IN A 100.100.100.1
+*. IN AAAA 2001:ffff:ffff::100.100.100.1
diff --git a/bin/tests/system/redirect/ns3/example.db b/bin/tests/system/redirect/ns3/example.db
new file mode 100644
index 0000000..4cceedf
--- /dev/null
+++ b/bin/tests/system/redirect/ns3/example.db
@@ -0,0 +1,50 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	3600
+@	SOA ns3 marka.isc.org. 0 0 0 0 1200
+@	NS ns3
+ns3	A	10.53.0.3
+excluded-good-a	AAAA	2001:eeee::1
+		A	1.2.3.4
+excluded-bad-a	AAAA	2001:eeee::2
+		A	10.0.0.1
+excluded-only	AAAA	2001:eeee::3
+partially-excluded-good-a	AAAA	2001:eeee::1
+		AAAA	2001::1
+		A	1.2.3.4
+partially-excluded-bad-a	AAAA	2001:eeee::2
+		AAAA	2001::2
+		A	10.0.0.1
+partially-excluded-only	AAAA	2001:eeee::3
+		AAAA	2001::3
+a-only		A	1.2.3.5
+a-and-aaaa	AAAA	2001::1
+		A	1.2.3.6
+aaaa-only	AAAA	2001::2
+a-not-mapped	A	10.0.0.2
+mx-only		MX	10 ns.example.
+cname-excluded-good-a CNAME excluded-good-a
+cname-excluded-bad-a CNAME excluded-bad-a
+cname-excluded-only CNAME excluded-only
+cname-partial-excluded-good-a CNAME partial-excluded-good-a
+cname-partial-excluded-bad-a CNAME partial-excluded-bad-a
+cname-partial-excluded-only CNAME partial-excluded-only
+cname-a-only CNAME a-only
+cname-a-and-aaaa CNAME a-and-aaaa
+cname-aaaa-only CNAME aaaa-only
+cname-a-not-mapped CNAME a-not-mapped
+cname-mx-only CNAME mx-only
+cname-non-existent CNAME non-existent
+ttl-less-than-600 500 A 5.6.7.8
+ttl-more-than-600 700 A 5.6.7.8
+ttl-less-than-minimum 1100 A 5.6.7.8
+ttl-more-than-minimum 1300 A 5.6.7.8
diff --git a/bin/tests/system/redirect/ns3/named.conf.in b/bin/tests/system/redirect/ns3/named.conf.in
new file mode 100644
index 0000000..2113dd5
--- /dev/null
+++ b/bin/tests/system/redirect/ns3/named.conf.in
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	allow-recursion { 10.53.0.3; };
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "signed" {
+	type primary;
+	file "signed.db.signed";
+};
+
+zone "nsec3" {
+	type primary;
+	file "nsec3.db.signed";
+};
+
+zone "redirect" {
+	type primary;
+	file "redirect.db";
+};
+
+// include "trusted.conf";
diff --git a/bin/tests/system/redirect/ns3/redirect.db b/bin/tests/system/redirect/ns3/redirect.db
new file mode 100644
index 0000000..b5b63da
--- /dev/null
+++ b/bin/tests/system/redirect/ns3/redirect.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ IN SOA a.root-servers.nil. hostmaster.example.net. 0 0 0 0 0
+@ IN NS a.root-servers.nil.
+* IN A 100.100.100.1
+* IN AAAA 2001:ffff:ffff::100.100.100.1
diff --git a/bin/tests/system/redirect/ns3/root.db b/bin/tests/system/redirect/ns3/root.db
new file mode 100644
index 0000000..13433ef
--- /dev/null
+++ b/bin/tests/system/redirect/ns3/root.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	a.root-servers.nil. marka.isc.org. 0 0 0 0 0
+@		NS	a.root-servers.nil.
+a.root-servers.nil.      A   10.53.0.3
+example 	NS	ns1.example.
+ns1.example.	A	10.53.0.3
+signed		NS	ns1.example.
+ns1.signed.	A	10.53.0.3
+redirect	NS	a.root-servers.nil
diff --git a/bin/tests/system/redirect/ns3/sign.sh b/bin/tests/system/redirect/ns3/sign.sh
new file mode 100644
index 0000000..974e6ca
--- /dev/null
+++ b/bin/tests/system/redirect/ns3/sign.sh
@@ -0,0 +1,36 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=signed
+infile=example.db
+zonefile=signed.db
+
+key1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} $zone)
+key2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk $zone)
+
+cat $infile $key1.key $key2.key > $zonefile
+
+$SIGNER -P -g -o $zone $zonefile > /dev/null
+
+zone=nsec3
+infile=example.db
+zonefile=nsec3.db
+
+key1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -3 $zone)
+key2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -3 -fk $zone)
+
+cat $infile $key1.key $key2.key > $zonefile
+
+$SIGNER -P -3 - -g -o $zone $zonefile > /dev/null
diff --git a/bin/tests/system/redirect/ns4/example.db.in b/bin/tests/system/redirect/ns4/example.db.in
new file mode 100644
index 0000000..8057d1b
--- /dev/null
+++ b/bin/tests/system/redirect/ns4/example.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@ IN SOA ns.example.net hostmaster.example.net 0 0 0 0 0
+@       NS	ns4
+ns4	A	10.53.0.4
+a	A	10.53.0.2
diff --git a/bin/tests/system/redirect/ns4/named.conf.in b/bin/tests/system/redirect/ns4/named.conf.in
new file mode 100644
index 0000000..1650e99
--- /dev/null
+++ b/bin/tests/system/redirect/ns4/named.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+controls { /* empty */ };
+
+acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+
+options {
+	query-source address 10.53.0.2;	/* note this is not 10.53.0.4 */
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation yes;
+	nxdomain-redirect "redirect";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/redirect/ns4/root.hint b/bin/tests/system/redirect/ns4/root.hint
new file mode 100644
index 0000000..3889a8b
--- /dev/null
+++ b/bin/tests/system/redirect/ns4/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.3
diff --git a/bin/tests/system/redirect/ns5/named.conf.in b/bin/tests/system/redirect/ns5/named.conf.in
new file mode 100644
index 0000000..2513a45
--- /dev/null
+++ b/bin/tests/system/redirect/ns5/named.conf.in
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+options {
+	port @PORT@;
+	listen-on port @PORT@ { 10.53.0.5; };
+	pid-file "named.pid";
+	nxdomain-redirect signed;
+	dnssec-validation no;
+};
+
+zone "." {
+        type primary;
+        file "root.db.signed";
+};
+
+// An unsigned zone that ns6 has a delegation for.
+zone "unsigned." {
+        type primary;
+        file "unsigned.db";
+};
diff --git a/bin/tests/system/redirect/ns5/root.db.in b/bin/tests/system/redirect/ns5/root.db.in
new file mode 100644
index 0000000..19aa61d
--- /dev/null
+++ b/bin/tests/system/redirect/ns5/root.db.in
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.			86400	IN	SOA	a.root-servers.nil. hostmaster.example.net. 2019022100 1800 900 604800 86400
+.			518400	IN	NS	a.root-servers.nil.
+a.root-servers.nil.	518400	IN	A	10.53.0.5
+signed.			172800	IN	NS	ns.signed.
+ns.signed.		172800	IN	A	10.53.0.6
+unsigned.		172800	IN	NS	ns.unsigned.
+ns.unsigned.		172800	IN	A	10.53.0.5
diff --git a/bin/tests/system/redirect/ns5/sign.sh b/bin/tests/system/redirect/ns5/sign.sh
new file mode 100644
index 0000000..ffe4e13
--- /dev/null
+++ b/bin/tests/system/redirect/ns5/sign.sh
@@ -0,0 +1,44 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+# We sign the zone here and move the signed zone to ns6.
+# The ns5 server actually does not serve this zone but
+# the DS and NS records are in the test root zone, and
+# delegate to ns6.
+zone=signed.
+infile=signed.db.in
+zonefile=signed.db
+
+key1=$($KEYGEN -q -a $DEFAULT_ALGORITHM -b $DEFAULT_BITS $zone 2> /dev/null)
+key2=$($KEYGEN -q -a $DEFAULT_ALGORITHM -b $DEFAULT_BITS -fk $zone 2> /dev/null)
+
+cat $infile $key1.key $key2.key > $zonefile
+
+$SIGNER -P -g -O full -o $zone $zonefile > sign.ns5.signed.out
+
+cp signed.db.signed ../ns6
+
+# Root zone.
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+key1=$($KEYGEN -q -a $DEFAULT_ALGORITHM -b $DEFAULT_BITS $zone 2> /dev/null)
+key2=$($KEYGEN -q -a $DEFAULT_ALGORITHM -b $DEFAULT_BITS -fk $zone 2> /dev/null)
+
+# cat $infile $key1.key $key2.key > $zonefile
+cat $infile dsset-signed. $key1.key $key2.key > $zonefile
+
+$SIGNER -P -g -O full -o $zone $zonefile > sign.ns5.root.out
diff --git a/bin/tests/system/redirect/ns5/signed.db.in b/bin/tests/system/redirect/ns5/signed.db.in
new file mode 100644
index 0000000..6579227
--- /dev/null
+++ b/bin/tests/system/redirect/ns5/signed.db.in
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@			IN SOA	ns.signed. hostmaster.signed. 0 0 0 0 0
+@			IN NS	ns.signed.
+
+ns.signed.		IN A	10.0.53.6
+domain.signed.		IN A	10.0.53.1
+
+*			IN A	100.100.100.1
+*			IN AAAA	2001:ffff:ffff::100.100.100.1
diff --git a/bin/tests/system/redirect/ns5/unsigned.db b/bin/tests/system/redirect/ns5/unsigned.db
new file mode 100644
index 0000000..10e06ff
--- /dev/null
+++ b/bin/tests/system/redirect/ns5/unsigned.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@			IN SOA	ns.unsigned. hostmaster.unsigned. 0 0 0 0 0
+@			IN NS	ns.unsigned.
+
+ns.unsigned.		IN A	10.53.0.6
+domain.unsigned.	IN A	10.0.53.1
+
+*			IN A	100.100.100.1
+*			IN AAAA	2001:ffff:ffff::100.100.100.1
diff --git a/bin/tests/system/redirect/ns6/named.conf.in b/bin/tests/system/redirect/ns6/named.conf.in
new file mode 100644
index 0000000..dee2bcf
--- /dev/null
+++ b/bin/tests/system/redirect/ns6/named.conf.in
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS6
+
+options {
+	port @PORT@;
+	listen-on port @PORT@ { 10.53.0.6; };
+	pid-file "named.pid";
+	nxdomain-redirect unsigned;
+	dnssec-validation no;
+};
+
+zone "." {
+        type primary;
+        file "root.db";
+};
+
+// A signed zone that ns5 has a delegation for.
+zone "signed." {
+        type primary;
+        file "signed.db.signed";
+};
diff --git a/bin/tests/system/redirect/ns6/root.db b/bin/tests/system/redirect/ns6/root.db
new file mode 100644
index 0000000..a8e6a45
--- /dev/null
+++ b/bin/tests/system/redirect/ns6/root.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.			86400	IN	SOA	a.root-servers.nil. hostmaster.example.net. 2019022100 1800 900 604800 86400
+.			518400	IN	NS	a.root-servers.nil.
+a.root-servers.nil.	518400	IN	A	10.53.0.6
+signed.			172800	IN	NS	ns.signed.
+ns.signed.		172800	IN	A	10.53.0.6
+unsigned.		172800	IN	NS	ns.unsigned.
+ns.unsigned.		172800	IN	A	10.53.0.5
diff --git a/bin/tests/system/redirect/setup.sh b/bin/tests/system/redirect/setup.sh
new file mode 100644
index 0000000..d182469
--- /dev/null
+++ b/bin/tests/system/redirect/setup.sh
@@ -0,0 +1,29 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+
+cp ns2/redirect.db.in ns2/redirect.db
+cp ns2/example.db.in ns2/example.db
+( cd ns1 && $SHELL sign.sh )
+
+cp ns4/example.db.in ns4/example.db
+( cd ns3 && $SHELL sign.sh )
+( cd ns5 && $SHELL sign.sh )
diff --git a/bin/tests/system/redirect/tests.sh b/bin/tests/system/redirect/tests.sh
new file mode 100644
index 0000000..83b90ad
--- /dev/null
+++ b/bin/tests/system/redirect/tests.sh
@@ -0,0 +1,549 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=1
+
+rm -f dig.out.*
+
+DIGOPTS="+tcp +noadd +nosea +nostat +nocmd -p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+for conf in conf/good*.conf
+do
+        echo_i "checking that $conf is accepted ($n)"
+        ret=0
+        $CHECKCONF "$conf" || ret=1
+        n=$((n + 1))
+        if [ $ret != 0 ]; then echo_i "failed"; fi
+        status=$((status + ret))
+done
+
+for conf in conf/bad*.conf
+do
+        echo_i "checking that $conf is rejected ($n)"
+        ret=0
+        $CHECKCONF "$conf" >/dev/null && ret=1
+	n=$((n + 1))
+        if [ $ret != 0 ]; then echo_i "failed"; fi
+        status=$((status + ret))
+done
+
+echo_i "checking A zone redirect works for nonexist ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.2 -b 10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A zone redirect updates statistics ($n)"
+ret=0
+rm -f ns2/named.stats 2>/dev/null
+$RNDCCMD 10.53.0.2 stats || ret=1
+PRE=$(sed -n -e "s/[    ]*\([0-9]*\).queries resulted in NXDOMAIN that were redirected$/\1/p" ns2/named.stats)
+$DIG $DIGOPTS nonexist. @10.53.0.2 -b 10.53.0.2 a > dig.out.ns2.test$n || ret=1
+rm -f ns2/named.stats 2>/dev/null
+$RNDCCMD 10.53.0.2 stats || ret=1
+POST=$(sed -n -e "s/[    ]*\([0-9]*\).queries resulted in NXDOMAIN that were redirected$/\1/p" ns2/named.stats)
+if [ $((POST - PRE)) != 1 ]; then ret=1; fi
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA zone redirect works for nonexist ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY zone redirect works for nonexist ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.2 -b 10.53.0.2 any > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A zone redirect doesn't work for acl miss ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.2 -b 10.53.0.4 a > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns2.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA zone redirect doesn't work for acl miss ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.2 -b 10.53.0.4 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns2.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY zone redirect doesn't work for acl miss ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.2 -b 10.53.0.4 any > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns2.test$n > /dev/null && ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns2.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A zone redirect works for signed nonexist, DO=0 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. @10.53.0.2 -b 10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA zone redirect works for signed nonexist, DO=0 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY zone redirect works for signed nonexist, DO=0 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. @10.53.0.2 -b 10.53.0.2 any > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A zone redirect fails for signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. +dnssec @10.53.0.2 -b 10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns2.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA zone redirect fails for signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. +dnssec @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns2.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY zone redirect fails for signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. +dnssec @10.53.0.2 -b 10.53.0.2 any > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns2.test$n > /dev/null && ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns2.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A zone redirect fails for nsec3 signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.nsec3. +dnssec @10.53.0.2 -b 10.53.0.2 a > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns2.test$n > /dev/null && ret=1
+grep "IN.NSEC3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA zone redirect fails for nsec3 signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.nsec3. +dnssec @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns2.test$n > /dev/null && ret=1
+grep "IN.NSEC3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY zone redirect fails for nsec3 signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.nsec3. +dnssec @10.53.0.2 -b 10.53.0.2 any > dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns2.test$n > /dev/null && ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns2.test$n > /dev/null && ret=1
+grep "IN.NSEC3" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A zone redirect works for nonexist authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.1 -b 10.53.0.1 a > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "100.100.100.2" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA zone redirect works for nonexist authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6402" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY zone redirect works for nonexist authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.1 -b 10.53.0.1 any > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "100.100.100.2" dig.out.ns1.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6402" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A zone redirect doesn't work for acl miss authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.1 -b 10.53.0.4 a > dig.out.ns1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null || ret=1
+grep "100.100.100.2" dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA zone redirect doesn't work for acl miss authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.1 -b 10.53.0.4 aaaa > dig.out.ns1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6402" dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY zone redirect doesn't work for acl miss authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.1 -b 10.53.0.4 any > dig.out.ns1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null || ret=1
+grep "100.100.100.2" dig.out.ns1.test$n > /dev/null && ret=1
+grep "2001:ffff:ffff::6464:6402" dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A zone redirect works for signed nonexist, DO=0 authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. @10.53.0.1 -b 10.53.0.1 a > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "100.100.100.2" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA zone redirect works for signed nonexist, DO=0 authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6402" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY zone redirect works for signed nonexist, DO=0 authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. @10.53.0.1 -b 10.53.0.1 any > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "100.100.100.2" dig.out.ns1.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6402" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A zone redirect fails for signed nonexist, DO=1 authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. +dnssec @10.53.0.1 -b 10.53.0.1 a > dig.out.ns1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null || ret=1
+grep "100.100.100.2" dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA zone redirect fails for signed nonexist, DO=1 authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. +dnssec @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6402" dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY zone redirect fails for signed nonexist, DO=1 authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. +dnssec @10.53.0.1 -b 10.53.0.1 any > dig.out.ns1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null || ret=1
+grep "100.100.100.2" dig.out.ns1.test$n > /dev/null && ret=1
+grep "2001:ffff:ffff::6464:6402" dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A zone redirect fails for nsec3 signed nonexist, DO=1 authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.nsec3. +dnssec @10.53.0.1 -b 10.53.0.1 a > dig.out.ns1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null || ret=1
+grep "100.100.100.2" dig.out.ns1.test$n > /dev/null && ret=1
+grep "IN.NSEC3" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA zone redirect fails for nsec3 signed nonexist, DO=1 authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.nsec3. +dnssec @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6402" dig.out.ns1.test$n > /dev/null && ret=1
+grep "IN.NSEC3" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY zone redirect fails for nsec3 signed nonexist, DO=1 authoritative ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.nsec3. +dnssec @10.53.0.1 -b 10.53.0.1 any > dig.out.ns1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null || ret=1
+grep "100.100.100.2" dig.out.ns1.test$n > /dev/null && ret=1
+grep "2001:ffff:ffff::6464:6402" dig.out.ns1.test$n > /dev/null && ret=1
+grep "IN.NSEC3" dig.out.ns1.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking zone redirect works (with noerror) when qtype is not found ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.2 -b 10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that redirect zones reload correctly"
+ret=0
+sleep 1 # ensure file mtime will have changed
+cat ns2/example.db.in | sed -e 's/0 0 0 0 0/1 0 0 0 0/' > ns2/example.db
+cat ns2/redirect.db.in | sed -e 's/0 0 0 0 0/1 0 0 0 0/' -e 's/\.1$/.2/' > ns2/redirect.db
+rndc_reload ns2 10.53.0.2
+for i in 1 2 3 4 5 6 7 8 9; do
+    tmp=0
+    $DIG $DIGOPTS +short @10.53.0.2 soa example.nil > dig.out.ns1.test$n || tmp=1
+    set -- $(cat dig.out.ns1.test$n)
+    [ $3 = 1 ] || tmp=1
+    $DIG $DIGOPTS nonexist. @10.53.0.2 -b 10.53.0.2 a > dig.out.ns2.test$n || tmp=1
+    grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || tmp=1
+    grep "100.100.100.2" dig.out.ns2.test$n > /dev/null || tmp=1
+    [ $tmp -eq 0 ] && break
+    sleep 1
+done
+[ $tmp -eq 1 ] && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A nxdomain-redirect works for nonexist ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.4 -b 10.53.0.2 a > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "nonexist.	.*100.100.100.1" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA nxdomain-redirect works for nonexist ($n)"
+ret=0
+rm -f ns4/named.stats 2>/dev/null
+$RNDCCMD 10.53.0.4 stats || ret=1
+PRE_RED=$(sed -n -e "s/[    ]*\([0-9]*\).queries resulted in NXDOMAIN that were redirected$/\1/p" ns4/named.stats)
+PRE_SUC=$(sed -n -e "s/[    ]*\([0-9]*\).queries resulted in NXDOMAIN that were redirected and resulted in a successful remote lookup$/\1/p" ns4/named.stats)
+$DIG $DIGOPTS nonexist. @10.53.0.4 -b 10.53.0.2 aaaa > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "nonexist.	.*2001:ffff:ffff::6464:6401" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA nxdomain-redirect updates statistics ($n)"
+ret=0
+rm -f ns4/named.stats 2>/dev/null
+$RNDCCMD 10.53.0.4 stats || ret=1
+POST_RED=$(sed -n -e "s/[    ]*\([0-9]*\).queries resulted in NXDOMAIN that were redirected$/\1/p" ns4/named.stats)
+POST_SUC=$(sed -n -e "s/[    ]*\([0-9]*\).queries resulted in NXDOMAIN that were redirected and resulted in a successful remote lookup$/\1/p" ns4/named.stats)
+if [ $((POST_RED - PRE_RED)) != 1 ]; then ret=1; fi
+if [ $((POST_SUC - PRE_SUC)) != 1 ]; then ret=1; fi
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY nxdomain-redirect works for nonexist ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.4 -b 10.53.0.2 any > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns4.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A nxdomain-redirect works for signed nonexist, DO=0 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. @10.53.0.4 -b 10.53.0.2 a > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA nxdomain-redirect works for signed nonexist, DO=0 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. @10.53.0.4 -b 10.53.0.2 aaaa > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY nxdomain-redirect works for signed nonexist, DO=0 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. @10.53.0.4 -b 10.53.0.2 any > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns4.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A nxdomain-redirect fails for signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. +dnssec @10.53.0.4 -b 10.53.0.2 a > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA nxdomain-redirect fails for signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. +dnssec @10.53.0.4 -b 10.53.0.2 aaaa > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY nxdomain-redirect fails for signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.signed. +dnssec @10.53.0.4 -b 10.53.0.2 any > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns4.test$n > /dev/null && ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns4.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking A nxdomain-redirect fails for nsec3 signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.nsec3. +dnssec @10.53.0.4 -b 10.53.0.2 a > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns4.test$n > /dev/null && ret=1
+grep "IN.NSEC3" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking AAAA nxdomain-redirect fails for nsec3 signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.nsec3. +dnssec @10.53.0.4 -b 10.53.0.2 aaaa > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns4.test$n > /dev/null && ret=1
+grep "IN.NSEC3" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking ANY nxdomain-redirect fails for nsec3 signed nonexist, DO=1 ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.nsec3. +dnssec @10.53.0.4 -b 10.53.0.2 any > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "100.100.100.1" dig.out.ns4.test$n > /dev/null && ret=1
+grep "2001:ffff:ffff::6464:6401" dig.out.ns4.test$n > /dev/null && ret=1
+grep "IN.NSEC3" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking nxdomain-redirect works (with noerror) when qtype is not found ($n)"
+ret=0
+$DIG $DIGOPTS nonexist. @10.53.0.4 -b 10.53.0.2 txt > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking nxdomain-redirect against authoritative zone ($n)"
+ret=0
+$DIG $DIGOPTS nonexist.example @10.53.0.4 -b 10.53.0.2 a > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking tld nxdomain-redirect against signed root zone ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.5 asdfasdfasdf > dig.out.ns5.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns5.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking tld nxdomain-redirect against unsigned root zone ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.6 asdfasdfasdf > dig.out.ns6.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns6.test$n > /dev/null || ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking extended error is not set on allow-recursion ($n)"
+ret=0
+$DIG $DIGOPTS example. @10.53.0.1 -b 10.53.0.2 soa > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "EDE" dig.out.ns1.test$n > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/redirect/tests_sh_redirect.py b/bin/tests/system/redirect/tests_sh_redirect.py
new file mode 100644
index 0000000..9009391
--- /dev/null
+++ b/bin/tests/system/redirect/tests_sh_redirect.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_redirect(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/resolve.c b/bin/tests/system/resolve.c
new file mode 100644
index 0000000..3142757
--- /dev/null
+++ b/bin/tests/system/resolve.c
@@ -0,0 +1,505 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <isc/app.h>
+#include <isc/attributes.h>
+#include <isc/base64.h>
+#include <isc/buffer.h>
+#include <isc/commandline.h>
+#include <isc/managers.h>
+#include <isc/mem.h>
+#include <isc/netmgr.h>
+#include <isc/print.h>
+#include <isc/result.h>
+#include <isc/sockaddr.h>
+#include <isc/task.h>
+#include <isc/timer.h>
+#include <isc/util.h>
+
+#include <dns/client.h>
+#include <dns/fixedname.h>
+#include <dns/keyvalues.h>
+#include <dns/name.h>
+#include <dns/rdata.h>
+#include <dns/rdataset.h>
+#include <dns/rdatastruct.h>
+#include <dns/rdatatype.h>
+#include <dns/secalg.h>
+
+#include <dst/dst.h>
+
+#include <irs/resconf.h>
+
+/*
+ * Global contexts
+ */
+
+isc_mem_t *ctxs_mctx = NULL;
+isc_appctx_t *ctxs_actx = NULL;
+isc_nm_t *ctxs_netmgr = NULL;
+isc_taskmgr_t *ctxs_taskmgr = NULL;
+isc_timermgr_t *ctxs_timermgr = NULL;
+
+static void
+ctxs_destroy(void) {
+	isc_managers_destroy(&ctxs_netmgr, &ctxs_taskmgr, &ctxs_timermgr);
+
+	if (ctxs_actx != NULL) {
+		isc_appctx_destroy(&ctxs_actx);
+	}
+
+	if (ctxs_mctx != NULL) {
+		isc_mem_destroy(&ctxs_mctx);
+	}
+}
+
+static isc_result_t
+ctxs_init(void) {
+	isc_result_t result;
+
+	isc_mem_create(&ctxs_mctx);
+
+	result = isc_appctx_create(ctxs_mctx, &ctxs_actx);
+	if (result != ISC_R_SUCCESS) {
+		goto fail;
+	}
+
+	isc_managers_create(ctxs_mctx, 1, 0, &ctxs_netmgr, &ctxs_taskmgr,
+			    &ctxs_timermgr);
+
+	result = isc_app_ctxstart(ctxs_actx);
+	if (result != ISC_R_SUCCESS) {
+		goto fail;
+	}
+
+	return (ISC_R_SUCCESS);
+
+fail:
+	ctxs_destroy();
+
+	return (result);
+}
+
+static char *algname = NULL;
+
+static isc_result_t
+printdata(dns_rdataset_t *rdataset, dns_name_t *owner) {
+	isc_buffer_t target;
+	isc_result_t result;
+	isc_region_t r;
+	char t[4096];
+
+	if (!dns_rdataset_isassociated(rdataset)) {
+		printf("[WARN: empty]\n");
+		return (ISC_R_SUCCESS);
+	}
+
+	isc_buffer_init(&target, t, sizeof(t));
+
+	result = dns_rdataset_totext(rdataset, owner, false, false, &target);
+	if (result != ISC_R_SUCCESS) {
+		return (result);
+	}
+	isc_buffer_usedregion(&target, &r);
+	printf("%.*s", (int)r.length, (char *)r.base);
+
+	return (ISC_R_SUCCESS);
+}
+
+noreturn static void
+usage(void);
+
+static void
+usage(void) {
+	fprintf(stderr, "resolve [-t RRtype] "
+			"[[-a algorithm] [-e] -k keyname -K keystring] "
+			"[-S domain:serveraddr_for_domain ] [-s server_address]"
+			"[-b address[#port]] hostname\n");
+
+	exit(1);
+}
+
+static void
+set_key(dns_client_t *client, char *keynamestr, char *keystr, bool is_sep) {
+	isc_result_t result;
+	dns_fixedname_t fkeyname;
+	unsigned int namelen;
+	dns_name_t *keyname;
+	dns_rdata_dnskey_t keystruct;
+	unsigned char keydata[4096];
+	isc_buffer_t keydatabuf;
+	unsigned char rrdata[4096];
+	isc_buffer_t rrdatabuf;
+	isc_buffer_t b;
+	isc_textregion_t tr;
+	isc_region_t r;
+	dns_secalg_t alg;
+
+	if (algname != NULL) {
+		tr.base = algname;
+		tr.length = strlen(algname);
+		result = dns_secalg_fromtext(&alg, &tr);
+		if (result != ISC_R_SUCCESS) {
+			fprintf(stderr, "failed to identify the algorithm\n");
+			exit(1);
+		}
+	} else {
+		alg = DNS_KEYALG_RSASHA1;
+	}
+
+	keystruct.common.rdclass = dns_rdataclass_in;
+	keystruct.common.rdtype = dns_rdatatype_dnskey;
+	keystruct.flags = DNS_KEYOWNER_ZONE; /* fixed */
+	if (is_sep) {
+		keystruct.flags |= DNS_KEYFLAG_KSK;
+	}
+	keystruct.protocol = DNS_KEYPROTO_DNSSEC; /* fixed */
+	keystruct.algorithm = alg;
+
+	isc_buffer_init(&keydatabuf, keydata, sizeof(keydata));
+	isc_buffer_init(&rrdatabuf, rrdata, sizeof(rrdata));
+	result = isc_base64_decodestring(keystr, &keydatabuf);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "base64 decode failed\n");
+		exit(1);
+	}
+	isc_buffer_usedregion(&keydatabuf, &r);
+	keystruct.datalen = r.length;
+	keystruct.data = r.base;
+
+	result = dns_rdata_fromstruct(NULL, keystruct.common.rdclass,
+				      keystruct.common.rdtype, &keystruct,
+				      &rrdatabuf);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to construct key rdata\n");
+		exit(1);
+	}
+	namelen = strlen(keynamestr);
+	isc_buffer_init(&b, keynamestr, namelen);
+	isc_buffer_add(&b, namelen);
+	keyname = dns_fixedname_initname(&fkeyname);
+	result = dns_name_fromtext(keyname, &b, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to construct key name\n");
+		exit(1);
+	}
+	result = dns_client_addtrustedkey(client, dns_rdataclass_in,
+					  dns_rdatatype_dnskey, keyname,
+					  &rrdatabuf);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to add key for %s\n", keynamestr);
+		exit(1);
+	}
+}
+
+static void
+addserver(dns_client_t *client, const char *addrstr, const char *port,
+	  const char *name_space) {
+	struct addrinfo hints, *res;
+	int gaierror;
+	isc_sockaddr_t sa;
+	isc_sockaddrlist_t servers;
+	isc_result_t result;
+	isc_buffer_t b;
+	dns_fixedname_t fname;
+	dns_name_t *name = NULL;
+
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = AF_UNSPEC;
+	hints.ai_socktype = SOCK_DGRAM;
+	hints.ai_protocol = IPPROTO_UDP;
+	hints.ai_flags = AI_NUMERICHOST;
+	gaierror = getaddrinfo(addrstr, port, &hints, &res);
+	if (gaierror != 0) {
+		fprintf(stderr, "getaddrinfo failed: %s\n",
+			gai_strerror(gaierror));
+		exit(1);
+	}
+	INSIST(res->ai_addrlen <= sizeof(sa.type));
+	memmove(&sa.type, res->ai_addr, res->ai_addrlen);
+	sa.length = (unsigned int)res->ai_addrlen;
+	freeaddrinfo(res);
+	ISC_LINK_INIT(&sa, link);
+	ISC_LIST_INIT(servers);
+	ISC_LIST_APPEND(servers, &sa, link);
+
+	if (name_space != NULL) {
+		unsigned int namelen = strlen(name_space);
+		isc_buffer_constinit(&b, name_space, namelen);
+		isc_buffer_add(&b, namelen);
+		name = dns_fixedname_initname(&fname);
+		result = dns_name_fromtext(name, &b, dns_rootname, 0, NULL);
+		if (result != ISC_R_SUCCESS) {
+			fprintf(stderr, "failed to convert qname: %u\n",
+				result);
+			exit(1);
+		}
+	}
+
+	result = dns_client_setservers(client, dns_rdataclass_in, name,
+				       &servers);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "set server failed: %u\n", result);
+		exit(1);
+	}
+}
+
+int
+main(int argc, char *argv[]) {
+	int ch;
+	isc_textregion_t tr;
+	char *server = NULL;
+	char *altserver = NULL;
+	char *altserveraddr = NULL;
+	char *altservername = NULL;
+	dns_client_t *client = NULL;
+	char *keynamestr = NULL;
+	char *keystr = NULL;
+	isc_result_t result;
+	isc_buffer_t b;
+	dns_fixedname_t qname0;
+	unsigned int namelen;
+	dns_name_t *qname = NULL, *name = NULL;
+	dns_rdatatype_t type = dns_rdatatype_a;
+	dns_rdataset_t *rdataset = NULL;
+	dns_namelist_t namelist;
+	unsigned int clientopt, resopt = 0;
+	bool is_sep = false;
+	const char *port = "53";
+	struct in_addr in4;
+	struct in6_addr in6;
+	isc_sockaddr_t a4, a6;
+	isc_sockaddr_t *addr4 = NULL, *addr6 = NULL;
+
+	while ((ch = isc_commandline_parse(argc, argv, "a:b:es:t:k:K:p:S:")) !=
+	       -1)
+	{
+		switch (ch) {
+		case 't':
+			tr.base = isc_commandline_argument;
+			tr.length = strlen(isc_commandline_argument);
+			result = dns_rdatatype_fromtext(&type, &tr);
+			if (result != ISC_R_SUCCESS) {
+				fprintf(stderr, "invalid RRtype: %s\n",
+					isc_commandline_argument);
+				exit(1);
+			}
+			break;
+		case 'a':
+			algname = isc_commandline_argument;
+			break;
+		case 'b':
+			if (inet_pton(AF_INET, isc_commandline_argument,
+				      &in4) == 1)
+			{
+				if (addr4 != NULL) {
+					fprintf(stderr, "only one local "
+							"address per family "
+							"can be specified\n");
+					exit(1);
+				}
+				isc_sockaddr_fromin(&a4, &in4, 0);
+				addr4 = &a4;
+			} else if (inet_pton(AF_INET6, isc_commandline_argument,
+					     &in6) == 1)
+			{
+				if (addr6 != NULL) {
+					fprintf(stderr, "only one local "
+							"address per family "
+							"can be specified\n");
+					exit(1);
+				}
+				isc_sockaddr_fromin6(&a6, &in6, 0);
+				addr6 = &a6;
+			} else {
+				fprintf(stderr, "invalid address %s\n",
+					isc_commandline_argument);
+				exit(1);
+			}
+			break;
+		case 'e':
+			is_sep = true;
+			break;
+		case 'S':
+			if (altserver != NULL) {
+				fprintf(stderr,
+					"alternate server "
+					"already defined: %s\n",
+					altserver);
+				exit(1);
+			}
+			altserver = isc_commandline_argument;
+			break;
+		case 's':
+			if (server != NULL) {
+				fprintf(stderr,
+					"server "
+					"already defined: %s\n",
+					server);
+				exit(1);
+			}
+			server = isc_commandline_argument;
+			break;
+		case 'k':
+			keynamestr = isc_commandline_argument;
+			break;
+		case 'K':
+			keystr = isc_commandline_argument;
+			break;
+		case 'p':
+			port = isc_commandline_argument;
+			break;
+		default:
+			usage();
+		}
+	}
+
+	argc -= isc_commandline_index;
+	argv += isc_commandline_index;
+	if (argc < 1) {
+		usage();
+	}
+
+	if (altserver != NULL) {
+		char *cp;
+
+		cp = strchr(altserver, ':');
+		if (cp == NULL) {
+			fprintf(stderr, "invalid alternate server: %s\n",
+				altserver);
+			exit(1);
+		}
+		*cp = '\0';
+		altservername = altserver;
+		altserveraddr = cp + 1;
+	}
+
+	result = ctxs_init();
+	if (result != ISC_R_SUCCESS) {
+		goto cleanup;
+	}
+
+	result = dst_lib_init(ctxs_mctx, NULL);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dst_lib_init failed: %u\n", result);
+		exit(1);
+	}
+
+	clientopt = 0;
+	result = dns_client_create(ctxs_mctx, ctxs_actx, ctxs_taskmgr,
+				   ctxs_netmgr, ctxs_timermgr, clientopt,
+				   &client, addr4, addr6);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dns_client_create failed: %u, %s\n", result,
+			isc_result_totext(result));
+		exit(1);
+	}
+
+	/* Set the nameserver */
+	if (server == NULL) {
+		irs_resconf_t *resconf = NULL;
+		isc_sockaddrlist_t *nameservers;
+
+		result = irs_resconf_load(ctxs_mctx, "/etc/resolv.conf",
+					  &resconf);
+		if (result != ISC_R_SUCCESS && result != ISC_R_FILENOTFOUND) {
+			fprintf(stderr, "irs_resconf_load failed: %u\n",
+				result);
+			exit(1);
+		}
+		nameservers = irs_resconf_getnameservers(resconf);
+		result = dns_client_setservers(client, dns_rdataclass_in, NULL,
+					       nameservers);
+		if (result != ISC_R_SUCCESS) {
+			irs_resconf_destroy(&resconf);
+			fprintf(stderr, "dns_client_setservers failed: %u\n",
+				result);
+			exit(1);
+		}
+		irs_resconf_destroy(&resconf);
+	} else {
+		addserver(client, server, port, NULL);
+	}
+
+	/* Set the alternate nameserver (when specified) */
+	if (altserver != NULL) {
+		addserver(client, altserveraddr, port, altservername);
+	}
+
+	/* Install DNSSEC key (if given) */
+	if (keynamestr != NULL) {
+		if (keystr == NULL) {
+			fprintf(stderr, "key string is missing "
+					"while key name is provided\n");
+			exit(1);
+		}
+		set_key(client, keynamestr, keystr, is_sep);
+	}
+
+	/* Construct qname */
+	namelen = strlen(argv[0]);
+	isc_buffer_init(&b, argv[0], namelen);
+	isc_buffer_add(&b, namelen);
+	qname = dns_fixedname_initname(&qname0);
+	result = dns_name_fromtext(qname, &b, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to convert qname: %u\n", result);
+	}
+
+	/* Perform resolution */
+	if (keynamestr == NULL) {
+		resopt |= DNS_CLIENTRESOPT_NODNSSEC;
+	}
+	ISC_LIST_INIT(namelist);
+	result = dns_client_resolve(client, qname, dns_rdataclass_in, type,
+				    resopt, &namelist);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "resolution failed: %s\n",
+			isc_result_totext(result));
+	}
+	for (name = ISC_LIST_HEAD(namelist); name != NULL;
+	     name = ISC_LIST_NEXT(name, link))
+	{
+		for (rdataset = ISC_LIST_HEAD(name->list); rdataset != NULL;
+		     rdataset = ISC_LIST_NEXT(rdataset, link))
+		{
+			if (printdata(rdataset, name) != ISC_R_SUCCESS) {
+				fprintf(stderr, "print data failed\n");
+			}
+		}
+	}
+
+	dns_client_freeresanswer(client, &namelist);
+
+	/* Cleanup */
+cleanup:
+	if (client != NULL) {
+		dns_client_detach(&client);
+	}
+
+	ctxs_destroy();
+	dst_lib_destroy();
+
+	return (0);
+}
diff --git a/bin/tests/system/resolver/ans10/ans.py b/bin/tests/system/resolver/ans10/ans.py
new file mode 100644
index 0000000..6e95dbb
--- /dev/null
+++ b/bin/tests/system/resolver/ans10/ans.py
@@ -0,0 +1,152 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from __future__ import print_function
+import os
+import sys
+import signal
+import socket
+import select
+from datetime import datetime, timedelta
+import time
+import functools
+
+import dns, dns.message, dns.query, dns.flags
+from dns.rdatatype import *
+from dns.rdataclass import *
+from dns.rcode import *
+from dns.name import *
+
+
+# Log query to file
+def logquery(type, qname):
+    with open("qlog", "a") as f:
+        f.write("%s %s\n", type, qname)
+
+
+############################################################################
+# Respond to a DNS query.
+# If there are EDNS options present return FORMERR copying the OPT record.
+# Otherwise:
+#   SOA gets a unsigned response.
+#   NS gets a unsigned response.
+#   A gets a unsigned response.
+#   All other types get a unsigned NODATA response.
+############################################################################
+def create_response(msg):
+    m = dns.message.from_wire(msg)
+    qname = m.question[0].name.to_text()
+    rrtype = m.question[0].rdtype
+    typename = dns.rdatatype.to_text(rrtype)
+
+    with open("query.log", "a") as f:
+        f.write("%s %s\n" % (typename, qname))
+        print("%s %s" % (typename, qname), end=" ")
+
+    if m.edns != -1 and len(m.options) != 0:
+        r = dns.message.make_response(m)
+        r.use_edns(
+            edns=m.edns, ednsflags=m.ednsflags, payload=m.payload, options=m.options
+        )
+        r.set_rcode(FORMERR)
+    else:
+        r = dns.message.make_response(m)
+        r.set_rcode(NOERROR)
+        if rrtype == A:
+            r.answer.append(dns.rrset.from_text(qname, 1, IN, A, "10.53.0.10"))
+        elif rrtype == NS:
+            r.answer.append(dns.rrset.from_text(qname, 1, IN, NS, "."))
+        elif rrtype == SOA:
+            r.answer.append(dns.rrset.from_text(qname, 1, IN, SOA, ". . 0 0 0 0 0"))
+        else:
+            r.authority.append(dns.rrset.from_text(qname, 1, IN, SOA, ". . 0 0 0 0 0"))
+        r.flags |= dns.flags.AA
+    return r
+
+
+def sigterm(signum, frame):
+    print("Shutting down now...")
+    os.remove("ans.pid")
+    running = False
+    sys.exit(0)
+
+
+############################################################################
+# Main
+#
+# Set up responder and control channel, open the pid file, and start
+# the main loop, listening for queries on the query channel or commands
+# on the control channel and acting on them.
+############################################################################
+ip4 = "10.53.0.10"
+ip6 = "fd92:7065:b8e:ffff::10"
+
+try:
+    port = int(os.environ["PORT"])
+except:
+    port = 5300
+
+query4_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+query4_socket.bind((ip4, port))
+havev6 = True
+try:
+    query6_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
+    try:
+        query6_socket.bind((ip6, port))
+    except:
+        query6_socket.close()
+        havev6 = False
+except:
+    havev6 = False
+signal.signal(signal.SIGTERM, sigterm)
+
+f = open("ans.pid", "w")
+pid = os.getpid()
+print(pid, file=f)
+f.close()
+
+running = True
+
+print("Listening on %s port %d" % (ip4, port))
+if havev6:
+    print("Listening on %s port %d" % (ip6, port))
+print("Ctrl-c to quit")
+
+if havev6:
+    input = [query4_socket, query6_socket]
+else:
+    input = [query4_socket]
+
+while running:
+    try:
+        inputready, outputready, exceptready = select.select(input, [], [])
+    except select.error as e:
+        break
+    except socket.error as e:
+        break
+    except KeyboardInterrupt:
+        break
+
+    for s in inputready:
+        if s == query4_socket or s == query6_socket:
+            print(
+                "Query received on %s" % (ip4 if s == query4_socket else ip6), end=" "
+            )
+            # Handle incoming queries
+            msg = s.recvfrom(65535)
+            rsp = create_response(msg[0])
+            if rsp:
+                print(dns.rcode.to_text(rsp.rcode()))
+                s.sendto(rsp.to_wire(), msg[1])
+            else:
+                print("NO RESPONSE")
+    if not running:
+        break
diff --git a/bin/tests/system/resolver/ans2/ans.pl b/bin/tests/system/resolver/ans2/ans.pl
new file mode 100644
index 0000000..aa1d51b
--- /dev/null
+++ b/bin/tests/system/resolver/ans2/ans.pl
@@ -0,0 +1,147 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Ad hoc name server
+#
+
+use IO::File;
+use IO::Socket;
+use Net::DNS;
+use Net::DNS::Packet;
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $sock = IO::Socket::INET->new(LocalAddr => "10.53.0.2",
+   LocalPort => $localport, Proto => "udp") or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+for (;;) {
+	$sock->recv($buf, 512);
+
+	print "**** request from " , $sock->peerhost, " port ", $sock->peerport, "\n";
+
+	my $packet;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$packet = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($packet, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	print "REQUEST:\n";
+	$packet->print;
+
+	$packet->header->qr(1);
+
+	my @questions = $packet->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+
+	if ($qname eq "com" && $qtype eq "NS") {
+		$packet->header->aa(1);
+		$packet->push("answer", new Net::DNS::RR("com 300 NS a.root-servers.nil."));
+	} elsif ($qname eq "example.com" && $qtype eq "NS") {
+		$packet->header->aa(1);
+		$packet->push("answer", new Net::DNS::RR("example.com 300 NS a.root-servers.nil."));
+	} elsif ($qname eq "cname1.example.com") {
+		# Data for the "cname + other data / 1" test
+		$packet->push("answer", new Net::DNS::RR("cname1.example.com 300 CNAME cname1.example.com"));
+		$packet->push("answer", new Net::DNS::RR("cname1.example.com 300 A 1.2.3.4"));
+	} elsif ($qname eq "cname2.example.com") {
+		# Data for the "cname + other data / 2" test: same RRs in opposite order
+		$packet->push("answer", new Net::DNS::RR("cname2.example.com 300 A 1.2.3.4"));
+		$packet->push("answer", new Net::DNS::RR("cname2.example.com 300 CNAME cname2.example.com"));
+	} elsif ($qname =~ /redirect\.com/) {
+		$packet->push("authority", new Net::DNS::RR("redirect.com 300 NS ns.redirect.com"));
+		$packet->push("additional", new Net::DNS::RR("ns.redirect.com 300 A 10.53.0.6"));
+	} elsif ($qname =~ /\.tld1/) {
+		$packet->push("authority", new Net::DNS::RR("tld1 300 NS ns.tld1"));
+		$packet->push("additional", new Net::DNS::RR("ns.tld1 300 A 10.53.0.6"));
+	} elsif ($qname =~ /\.tld2/) {
+		$packet->push("authority", new Net::DNS::RR("tld2 300 NS ns.tld2"));
+		$packet->push("additional", new Net::DNS::RR("ns.tld2 300 A 10.53.0.7"));
+	} elsif ($qname eq "org" && $qtype eq "NS") {
+		$packet->header->aa(1);
+		$packet->push("answer", new Net::DNS::RR("org 300 NS a.root-servers.nil."));
+	} elsif ($qname eq "example.org" && $qtype eq "NS") {
+		$packet->header->aa(1);
+		$packet->push("answer", new Net::DNS::RR("example.org 300 NS a.root-servers.nil."));
+	} elsif (($qname eq "baddname.example.org" || $qname eq "gooddname.example.org") && $qtype eq "NS") {
+		$packet->header->aa(1);
+		$packet->push("answer", new Net::DNS::RR("example.org 300 NS a.root-servers.nil."));
+	} elsif ($qname eq "www.example.org" ||
+		 $qname eq "badcname.example.org" ||
+		 $qname eq "goodcname.example.org" ||
+		 $qname eq "foo.baddname.example.org" ||
+		 $qname eq "foo.gooddname.example.org") {
+		# Data for address/alias filtering.
+		$packet->header->aa(1);
+		if ($qtype eq "A") {
+			$packet->push("answer",
+				      new Net::DNS::RR($qname .
+						       " 300 A 192.0.2.1"));
+		} elsif ($qtype eq "AAAA") {
+			$packet->push("answer",
+				      new Net::DNS::RR($qname .
+						" 300 AAAA 2001:db8:beef::1"));
+		}
+	} elsif ($qname eq "net" && $qtype eq "NS") {
+		$packet->header->aa(1);
+		$packet->push("answer", new Net::DNS::RR("net 300 NS a.root-servers.nil."));
+	} elsif ($qname =~ /example\.net/) {
+		$packet->push("authority", new Net::DNS::RR("example.net 300 NS ns.example.net"));
+		$packet->push("additional", new Net::DNS::RR("ns.example.net 300 A 10.53.0.3"));
+	} elsif ($qname =~ /lame\.example\.org/) {
+		$packet->header->ad(0);
+		$packet->header->aa(0);
+		$packet->push("authority", new Net::DNS::RR("lame.example.org 300 NS ns.lame.example.org"));
+		$packet->push("additional", new Net::DNS::RR("ns.lame.example.org 300 A 10.53.0.3"));
+	} elsif ($qname =~ /sub\.example\.org/) {
+		# Data for CNAME/DNAME filtering.  The final answers are
+		# expected to be accepted regardless of the filter setting.
+		$packet->push("authority", new Net::DNS::RR("sub.example.org 300 NS ns.sub.example.org"));
+		$packet->push("additional", new Net::DNS::RR("ns.sub.example.org 300 A 10.53.0.3"));
+	} elsif ($qname =~ /glue-in-answer\.example\.org/) {
+		$packet->push("answer", new Net::DNS::RR("ns.glue-in-answer.example.org 300 A 10.53.0.3"));
+		$packet->push("authority", new Net::DNS::RR("glue-in-answer.example.org 300 NS ns.glue-in-answer.example.org"));
+		$packet->push("additional", new Net::DNS::RR("ns.glue-in-answer.example.org 300 A 10.53.0.3"));
+	} elsif ($qname =~ /\.broken/ || $qname =~ /^broken/) {
+		# Delegation to broken TLD.
+		$packet->push("authority", new Net::DNS::RR("broken 300 NS ns.broken"));
+		$packet->push("additional", new Net::DNS::RR("ns.broken 300 A 10.53.0.4"));
+	} elsif ($qname =~ /\.partial-formerr/) {
+		$packet->header->rcode("FORMERR");
+	} else {
+		# Data for the "bogus referrals" test
+		$packet->push("authority", new Net::DNS::RR("below.www.example.com 300 NS ns.below.www.example.com"));
+		$packet->push("additional", new Net::DNS::RR("ns.below.www.example.com 300 A 10.53.0.3"));
+	}
+
+	$sock->send($packet->data);
+
+	print "RESPONSE:\n";
+	$packet->print;
+	print "\n";
+}
diff --git a/bin/tests/system/resolver/ans3/ans.pl b/bin/tests/system/resolver/ans3/ans.pl
new file mode 100644
index 0000000..893c9ed
--- /dev/null
+++ b/bin/tests/system/resolver/ans3/ans.pl
@@ -0,0 +1,191 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Ad hoc name server
+#
+
+use IO::File;
+use IO::Socket;
+use Net::DNS;
+use Net::DNS::Packet;
+
+# Ignore SIGPIPE so we won't fail if peer closes a TCP socket early
+local $SIG{PIPE} = 'IGNORE';
+
+# Flush logged output after every line
+local $| = 1;
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $server_addr = "10.53.0.3";
+
+my $udpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $localport, Proto => "udp", Reuse => 1) or die "$!";
+my $tcpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $localport, Proto => "tcp", Listen => 5, Reuse => 1) or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+sub handleQuery {
+	my $buf = shift;
+	my $packet;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$packet = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($packet, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	print "REQUEST:\n";
+	$packet->print;
+
+	$packet->header->qr(1);
+	$packet->header->aa(1);
+
+	my @questions = $packet->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+
+	if ($qname eq "example.net" && $qtype eq "NS") {
+		$packet->push("answer", new Net::DNS::RR($qname . " 300 NS ns.example.net"));
+		$packet->push("additional", new Net::DNS::RR("ns.example.net 300 A 10.53.0.3"));
+	} elsif ($qname eq "ns.example.net") {
+		$packet->push("answer", new Net::DNS::RR($qname . " 300 A 10.53.0.3"));
+	} elsif ($qname eq "nodata.example.net") {
+		# Do not add a SOA RRset.
+	} elsif ($qname eq "nxdomain.example.net") {
+		# Do not add a SOA RRset.
+		$packet->header->rcode(NXDOMAIN);
+	} elsif ($qname eq "www.example.net") {
+		# Data for address/alias filtering.
+		if ($qtype eq "A") {
+			$packet->push("answer", new Net::DNS::RR($qname . " 300 A 192.0.2.1"));
+		} elsif ($qtype eq "AAAA") {
+			$packet->push("answer", new Net::DNS::RR($qname . " 300 AAAA 2001:db8:beef::1"));
+		}
+	} elsif ($qname eq "badcname.example.net") {
+		$packet->push("answer",
+			      new Net::DNS::RR($qname .
+				       " 300 CNAME badcname.example.org"));
+	} elsif (($qname eq "baddname.example.net" || $qname eq "gooddname.example.net") && $qtype eq "NS") {
+		$packet->push("authority", new Net::DNS::RR("example.net IN SOA (1 2 3 4 5)"))
+	} elsif ($qname eq "foo.baddname.example.net") {
+		$packet->push("answer",
+			      new Net::DNS::RR("baddname.example.net" .
+				       " 300 DNAME baddname.example.org"));
+	} elsif ($qname eq "foo.gooddname.example.net") {
+		$packet->push("answer",
+			      new Net::DNS::RR("gooddname.example.net" .
+				       " 300 DNAME gooddname.example.org"));
+	} elsif ($qname eq "goodcname.example.net") {
+		$packet->push("answer",
+			      new Net::DNS::RR($qname .
+				       " 300 CNAME goodcname.example.org"));
+	} elsif ($qname =~ /^nodata\.example\.net$/i) {
+		$packet->header->aa(1);
+	} elsif ($qname =~ /^nxdomain\.example\.net$/i) {
+		$packet->header->aa(1);
+		$packet->header->rcode(NXDOMAIN);
+	} elsif ($qname =~ /lame\.example\.org/) {
+		$packet->header->ad(0);
+		$packet->header->aa(0);
+		$packet->push("authority", new Net::DNS::RR("lame.example.org 300 NS ns.lame.example.org"));
+		$packet->push("additional", new Net::DNS::RR("ns.lame.example.org 300 A 10.53.0.3"));
+	} elsif ($qname eq "large-referral.example.net") {
+		for (my $i = 1; $i < 1000; $i++) {
+			$packet->push("authority", new Net::DNS::RR("large-referral.example.net 300 NS ns" . $i . ".fake.redirect.com"));
+		}
+		# No glue records
+	} elsif ($qname eq "foo.bar.sub.tld1") {
+		$packet->push("answer", new Net::DNS::RR("$qname 300 TXT baz"));
+	} elsif ($qname eq "cname.sub.example.org") {
+		$packet->push("answer",
+			      new Net::DNS::RR($qname .
+				       " 300 CNAME ok.sub.example.org"));
+	} elsif ($qname eq "ok.sub.example.org") {
+		$packet->push("answer",
+			      new Net::DNS::RR($qname . " 300 A 192.0.2.1"));
+	} elsif ($qname eq "www.dname.sub.example.org") {
+		$packet->push("answer",
+			      new Net::DNS::RR("dname.sub.example.org" .
+				       " 300 DNAME ok.sub.example.org"));
+	} elsif ($qname eq "www.ok.sub.example.org") {
+		$packet->push("answer",
+			      new Net::DNS::RR($qname . " 300 A 192.0.2.1"));
+	} elsif ($qname eq "foo.glue-in-answer.example.org") {
+		$packet->push("answer", new Net::DNS::RR($qname . " 300 A 192.0.2.1"));
+	} elsif ($qname eq "ns.example.net") {
+		$packet->push("answer",
+			      new Net::DNS::RR($qname .
+				       " 300 A 10.53.0.3"));
+	} elsif ($qname =~ /\.partial-formerr/) {
+		$packet->push("answer",
+			      new Net::DNS::RR($qname .  " 1 A 10.53.0.3"));
+	} else {
+		$packet->push("answer", new Net::DNS::RR("www.example.com 300 A 1.2.3.4"));
+	}
+
+	print "RESPONSE:\n";
+	$packet->print;
+
+	return $packet->data;
+}
+
+# Main
+my $rin;
+my $rout;
+for (;;) {
+	$rin = '';
+	vec($rin, fileno($tcpsock), 1) = 1;
+	vec($rin, fileno($udpsock), 1) = 1;
+
+	select($rout = $rin, undef, undef, undef);
+
+	if (vec($rout, fileno($udpsock), 1)) {
+		printf "UDP request\n";
+		my $buf;
+		$udpsock->recv($buf, 512);
+		my $result = handleQuery($buf);
+		my $num_chars = $udpsock->send($result);
+		print "  Sent $num_chars bytes via UDP\n";
+	} elsif (vec($rout, fileno($tcpsock), 1)) {
+		my $conn = $tcpsock->accept;
+		my $buf;
+		for (;;) {
+			my $lenbuf;
+			my $n = $conn->sysread($lenbuf, 2);
+			last unless $n == 2;
+			my $len = unpack("n", $lenbuf);
+			$n = $conn->sysread($buf, $len);
+			last unless $n == $len;
+			print "TCP request\n";
+			my $result = handleQuery($buf);
+			$len = length($result);
+			$conn->syswrite(pack("n", $len), 2);
+			$n = $conn->syswrite($result, $len);
+			print "    Sent: $n chars via TCP\n";
+		}
+		$conn->close;
+	}
+}
diff --git a/bin/tests/system/resolver/ans8/ans.pl b/bin/tests/system/resolver/ans8/ans.pl
new file mode 100644
index 0000000..a3d06b6
--- /dev/null
+++ b/bin/tests/system/resolver/ans8/ans.pl
@@ -0,0 +1,177 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use IO::File;
+use IO::Socket;
+use Data::Dumper;
+use Net::DNS;
+use Net::DNS::Packet;
+use strict;
+
+# Ignore SIGPIPE so we won't fail if peer closes a TCP socket early
+local $SIG{PIPE} = 'IGNORE';
+
+# Flush logged output after every line
+local $| = 1;
+
+my $server_addr = "10.53.0.8";
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $udpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $localport, Proto => "udp", Reuse => 1) or die "$!";
+my $tcpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $localport, Proto => "tcp", Listen => 5, Reuse => 1) or die "$!";
+
+print "listening on $server_addr:$localport.\n";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";;
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+sub handleUDP {
+	my ($buf) = @_;
+	my $request;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$request = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($request, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	my @questions = $request->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+	my $qclass = $questions[0]->qclass;
+	my $id = $request->header->id;
+
+	my $response = new Net::DNS::Packet($qname, $qtype, $qclass);
+	$response->header->qr(1);
+	$response->header->aa(1);
+	$response->header->tc(0);
+	$response->header->id($id);
+
+	# Responses to queries for no-questions/NS and ns.no-questions/A are
+	# _not_ malformed or truncated.
+	if ($qname eq "no-questions" && $qtype eq "NS") {
+		$response->push("answer", new Net::DNS::RR($qname . " 300 NS ns.no-questions"));
+		$response->push("additional", new Net::DNS::RR("ns.no-questions. 300 A 10.53.0.8"));
+		return $response->data;
+	} elsif ($qname eq "ns.no-questions") {
+		$response->push("answer", new Net::DNS::RR($qname . " 300 A 10.53.0.8"))
+			if ($qtype eq "A");
+		return $response->data;
+	} elsif ($qname =~ /\.formerr-to-all$/) {
+		$response->header->rcode("FORMERR");
+		return $response->data;
+	}
+
+	# don't use Net::DNS to construct the header only reply as early
+	# versions just get it completely wrong.
+
+	if ($qname eq "truncated.no-questions") {
+		# QR, AA, TC: forces TCP retry
+		return (pack("nnnnnn", $id, 0x8600, 0, 0, 0, 0));
+	} elsif ($qname eq "tcpalso.no-questions") {
+		# QR, REFUSED: forces TCP retry
+		return (pack("nnnnnn", $id, 0x8205, 0, 0, 0, 0));
+	}
+	# QR, AA
+	return (pack("nnnnnn", $id, 0x8400, 0, 0, 0, 0));
+}
+
+sub handleTCP {
+	my ($buf) = @_;
+	my $request;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$request = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($request, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	my @questions = $request->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+	my $qclass = $questions[0]->qclass;
+	my $id = $request->header->id;
+
+	my @results = ();
+	my $response = new Net::DNS::Packet($qname, $qtype, $qclass);
+
+	$response->header->qr(1);
+	$response->header->aa(1);
+	$response->header->id($id);
+	$response->push("answer", new Net::DNS::RR("$qname 300 A 1.2.3.4"));
+
+	if ($qname eq "tcpalso.no-questions") {
+		# for this qname we also return a bad reply over TCP
+		# QR, REFUSED, no question section
+		push (@results, pack("nnnnnn", $id, 0x8005, 0, 0, 0, 0));
+	} else {
+		push(@results, $response->data);
+	}
+
+	return \@results;
+}
+
+# Main
+my $rin;
+my $rout;
+for (;;) {
+	$rin = '';
+	vec($rin, fileno($tcpsock), 1) = 1;
+	vec($rin, fileno($udpsock), 1) = 1;
+
+	select($rout = $rin, undef, undef, undef);
+
+	if (vec($rout, fileno($udpsock), 1)) {
+		printf "UDP request\n";
+		my $buf;
+		$udpsock->recv($buf, 512);
+		my $result = handleUDP($buf);
+		my $num_chars = $udpsock->send($result);
+		print "  Sent $num_chars bytes via UDP\n";
+	} elsif (vec($rout, fileno($tcpsock), 1)) {
+		my $conn = $tcpsock->accept;
+		my $buf;
+		for (;;) {
+			my $lenbuf;
+			my $n = $conn->sysread($lenbuf, 2);
+			last unless $n == 2;
+			my $len = unpack("n", $lenbuf);
+			$n = $conn->sysread($buf, $len);
+			last unless $n == $len;
+			print "TCP request\n";
+			my $result = handleTCP($buf);
+			foreach my $response (@$result) {
+				$len = length($response);
+				$n = $conn->syswrite(pack("n", $len), 2);
+				$n = $conn->syswrite($response, $len);
+				print "    Sent: $n chars via TCP\n";
+			}
+		}
+		$conn->close;
+	}
+}
diff --git a/bin/tests/system/resolver/clean.sh b/bin/tests/system/resolver/clean.sh
new file mode 100644
index 0000000..d4ff983
--- /dev/null
+++ b/bin/tests/system/resolver/clean.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after resolver tests.
+#
+rm -f ./*/named.conf
+rm -f ./*/named.memstats
+rm -f ./*/named.run ./*/named.run.prev
+rm -f ./*/ans.run
+rm -f ./*/*.jdb
+rm -f dig.out dig.out.* dig.*.out.*
+rm -f dig.*.foo.*
+rm -f dig.*.bar.*
+rm -f dig.*.prime.*
+rm -f nextpart.out.*
+rm -f ns4/tld.db
+rm -f ns6/K*
+rm -f ns6/example.net.db.signed ns6/example.net.db
+rm -f ns6/ds.example.net.db.signed ns6/ds.example.net.db
+rm -f ns6/dsset-ds.example.net*
+rm -f ns6/dsset-example.net* ns6/example.net.db.signed.jnl
+rm -f ns6/named.stats*
+rm -f ns6/to-be-removed.tld.db ns6/to-be-removed.tld.db.jnl
+rm -f ns7/server.db ns7/server.db.jnl
+rm -f resolve.out.*.test*
+rm -f .digrc
+rm -f ns*/named.lock
+rm -f ns5/trusted.conf
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
diff --git a/bin/tests/system/resolver/ns1/chaostest.db b/bin/tests/system/resolver/ns1/chaostest.db
new file mode 100644
index 0000000..153f31d
--- /dev/null
+++ b/bin/tests/system/resolver/ns1/chaostest.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL		3600
+@		CHAOS SOA       @ @ 1970010100 86400 600 86400 300
+@		CHAOS NS        @
+version         CHAOS TXT       "CH 1.0"
+hostname        CHAOS TXT       "unknown"
diff --git a/bin/tests/system/resolver/ns1/named.conf.in b/bin/tests/system/resolver/ns1/named.conf.in
new file mode 100644
index 0000000..f0f9571
--- /dev/null
+++ b/bin/tests/system/resolver/ns1/named.conf.in
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	deny-answer-addresses { 192.0.2.0/24; 2001:db8:beef::/48; }
+		 except-from { "example.org"; };
+	deny-answer-aliases { "example.org"; }
+		except-from { "goodcname.example.net";
+			      "gooddname.example.net"; };
+	allow-query {!10.53.0.8; any; };
+	max-zone-ttl unlimited;
+	attach-cache "globalcache";
+};
+
+server 10.53.0.3 {
+	tcp-only yes;
+};
+
+server 10.42.23.3/32 {
+     notify-source 10.42.22.1;
+     query-source address 10.42.22.1 port 0;
+     transfer-source 10.42.22.1;
+};
+
+server fd92:7065:b8e:ffff::1000 {
+     notify-source-v6 fd92:7065:b8e:ffff::1001;
+     query-source-v6 address fd92:7065:b8e:ffff::1001 port 0;
+     transfer-source-v6 fd92:7065:b8e:ffff::1001;
+};
+
+/*
+ * Must be first view so that there is a CH cache with name
+ * "globalcache" before the recursive "default"/IN view is configured.
+ */
+view "class" chaos {
+	zone "chaostest" CHAOS {
+                type primary;
+                file "chaostest.db";
+        };
+};
+
+/*
+ * Must be second view so that so that we can check we don't attach to the
+ * "globalcache"/CH cache.
+ */
+view "default" {
+	zone "." {
+		type hint;
+		file "root.hint";
+	};
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
diff --git a/bin/tests/system/resolver/ns1/root.hint b/bin/tests/system/resolver/ns1/root.hint
new file mode 100644
index 0000000..993227d
--- /dev/null
+++ b/bin/tests/system/resolver/ns1/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.2
diff --git a/bin/tests/system/resolver/ns4/broken.db b/bin/tests/system/resolver/ns4/broken.db
new file mode 100644
index 0000000..eb64f85
--- /dev/null
+++ b/bin/tests/system/resolver/ns4/broken.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns.tld.
+ns			A	10.53.0.4
+$TTL 5
+sub.broken. 		NS	ns.sub.broken.
+ns.sub.broken.		A	10.53.0.6
diff --git a/bin/tests/system/resolver/ns4/child.server.db b/bin/tests/system/resolver/ns4/child.server.db
new file mode 100644
index 0000000..188eb4a
--- /dev/null
+++ b/bin/tests/system/resolver/ns4/child.server.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns
+ns			A	10.53.0.4
+foo			TXT	"From NS 4"
+bar			TXT	"From NS 4"
diff --git a/bin/tests/system/resolver/ns4/moves.db b/bin/tests/system/resolver/ns4/moves.db
new file mode 100644
index 0000000..dc1c396
--- /dev/null
+++ b/bin/tests/system/resolver/ns4/moves.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns.server.
+foo			TXT	"From NS 4"
+bar			TXT	"From NS 4"
diff --git a/bin/tests/system/resolver/ns4/named.conf.in b/bin/tests/system/resolver/ns4/named.conf.in
new file mode 100644
index 0000000..281c2ca
--- /dev/null
+++ b/bin/tests/system/resolver/ns4/named.conf.in
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	/* test that named loads with root-delegation-only */
+	root-delegation-only;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "moves" {
+	type primary;
+	file "moves.db";
+};
+
+zone "child.server" {
+	type primary;
+	file "child.server.db";
+};
+
+zone "tld" {
+	type primary;
+	file "tld.db";
+};
+
+zone "broken" {
+	type primary;
+	file "broken.db";
+};
+
+zone "sourcens" {
+    type primary;
+    file "sourcens.db";
+};
+
+zone "v4only.net" {
+	type primary;
+	file "v4only.net.db";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
diff --git a/bin/tests/system/resolver/ns4/named.noaa b/bin/tests/system/resolver/ns4/named.noaa
new file mode 100644
index 0000000..be78cc2
--- /dev/null
+++ b/bin/tests/system/resolver/ns4/named.noaa
@@ -0,0 +1,12 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+Add -T noaa.
diff --git a/bin/tests/system/resolver/ns4/root.db b/bin/tests/system/resolver/ns4/root.db
new file mode 100644
index 0000000..4e4418b
--- /dev/null
+++ b/bin/tests/system/resolver/ns4/root.db
@@ -0,0 +1,39 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	marka.isc.org. a.root.servers.nil. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.4
+all-cnames		NS	cname.tld
+delegation-only.	NS	ns.delegation-only.
+ns.delegation-only.	A	10.53.0.6
+example.net.		NS	ns.example.net.
+ns.example.net.		A	10.53.0.6
+no-questions.		NS	ns.no-questions.
+ns.no-questions.	A	10.53.0.8
+formerr-to-all.		NS	ns.formerr-to-all.
+ns.formerr-to-all.	A	10.53.0.8
+sourcens.		NS	ns.sourcens.
+ns.sourcens.		A	10.53.0.4
+targetns. 		NS	ns.targetns.
+ns.targetns.		A	10.53.0.6
+partial-formerr.	NS	ns.partial-formerr.
+ns.partial-formerr.	A	10.53.0.2
+ns.partial-formerr.	A	10.53.0.3
+options-formerr.	NS	ns.options-formerr.
+ns.options-formerr.	A	10.53.0.10
diff --git a/bin/tests/system/resolver/ns4/sourcens.db b/bin/tests/system/resolver/ns4/sourcens.db
new file mode 100644
index 0000000..3567cfb
--- /dev/null
+++ b/bin/tests/system/resolver/ns4/sourcens.db
@@ -0,0 +1,91 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; This zone contains a set of delegations with varying numbers of NS
+; records.  This is used to check that BIND is limiting the number of
+; NS records it follows when resolving a delegation.  It tests all
+; numbers of NS records up to twice the number followed.
+
+$TTL 60
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns
+ns			A	10.53.0.4
+
+target1  		NS	ns.fake11.targetns.
+
+target2  		NS	ns.fake21.targetns.
+			NS	ns.fake22.targetns.
+
+target3  		NS	ns.fake31.targetns.
+			NS	ns.fake32.targetns.
+			NS	ns.fake33.targetns.
+
+target4  		NS	ns.fake41.targetns.
+			NS	ns.fake42.targetns.
+			NS	ns.fake43.targetns.
+			NS	ns.fake44.targetns.
+
+target5  		NS	ns.fake51.targetns.
+			NS	ns.fake52.targetns.
+			NS	ns.fake53.targetns.
+			NS	ns.fake54.targetns.
+			NS	ns.fake55.targetns.
+
+target6  		NS	ns.fake61.targetns.
+			NS	ns.fake62.targetns.
+			NS	ns.fake63.targetns.
+			NS	ns.fake64.targetns.
+			NS	ns.fake65.targetns.
+			NS	ns.fake66.targetns.
+
+target7  		NS	ns.fake71.targetns.
+			NS	ns.fake72.targetns.
+			NS	ns.fake73.targetns.
+			NS	ns.fake74.targetns.
+			NS	ns.fake75.targetns.
+			NS	ns.fake76.targetns.
+			NS	ns.fake77.targetns.
+
+target8  		NS	ns.fake81.targetns.
+			NS	ns.fake82.targetns.
+			NS	ns.fake83.targetns.
+			NS	ns.fake84.targetns.
+			NS	ns.fake85.targetns.
+			NS	ns.fake86.targetns.
+			NS	ns.fake87.targetns.
+			NS	ns.fake88.targetns.
+
+target9  		NS	ns.fake91.targetns.
+			NS	ns.fake92.targetns.
+			NS	ns.fake93.targetns.
+			NS	ns.fake94.targetns.
+			NS	ns.fake95.targetns.
+			NS	ns.fake96.targetns.
+			NS	ns.fake97.targetns.
+			NS	ns.fake98.targetns.
+			NS	ns.fake99.targetns.
+
+target10  		NS	ns.fake101.targetns.
+			NS	ns.fake102.targetns.
+			NS	ns.fake103.targetns.
+			NS	ns.fake104.targetns.
+			NS	ns.fake105.targetns.
+			NS	ns.fake106.targetns.
+			NS	ns.fake107.targetns.
+			NS	ns.fake108.targetns.
+			NS	ns.fake109.targetns.
+			NS	ns.fake1010.targetns.
diff --git a/bin/tests/system/resolver/ns4/tld1.db b/bin/tests/system/resolver/ns4/tld1.db
new file mode 100644
index 0000000..03d7908
--- /dev/null
+++ b/bin/tests/system/resolver/ns4/tld1.db
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns.tld.
+ns			A	10.53.0.4
+$TTL 5
+to-be-removed 		NS	ns.to-be-removed
+ns.to-be-removed	A	10.53.0.6
+fetch.tld.		NS	ns.fetch.tld.
+ns.fetch.tld.		A	10.53.0.6
+no-edns-version.tld.	NS	ns.no-edns-version.tld.
+ns.no-edns-version.tld.	A	10.53.0.6
+edns-version.tld.	NS	ns.edns-version.tld.
+ns.edns-version.tld.	A	10.53.0.7
+cname			CNAME	ns7
+ns7			A	10.53.0.7
+mixedttl 10		A	10.0.0.1
+mixedttl 15		TXT	a TXT record
+mixedttl 20		AAAA	2001:db8::1
diff --git a/bin/tests/system/resolver/ns4/tld2.db b/bin/tests/system/resolver/ns4/tld2.db
new file mode 100644
index 0000000..c3a96d9
--- /dev/null
+++ b/bin/tests/system/resolver/ns4/tld2.db
@@ -0,0 +1,35 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns.tld.
+ns			A	10.53.0.4
+fetch.tld.		NS	ns.fetch.tld.
+ns.fetch.tld.		A	10.53.0.6
+fetchall  10              A     1.2.3.4
+fetchall  10              AAAA  ::1
+fetchall  10              TXT   A short ttl
+no-edns-version.tld.	NS	ns.no-edns-version.tld.
+ns.no-edns-version.tld.	A	10.53.0.6
+edns-version.tld.	NS	ns.edns-version.tld.
+ns.edns-version.tld.	A	10.53.0.7
+cname			CNAME	ns7
+ns7			A	10.53.0.7
+mixedttl 10		A	10.0.0.1
+mixedttl 15		TXT	a TXT record
+mixedttl 20		AAAA	2001:db8::1
diff --git a/bin/tests/system/resolver/ns4/v4only.net.db b/bin/tests/system/resolver/ns4/v4only.net.db
new file mode 100644
index 0000000..b097f3a
--- /dev/null
+++ b/bin/tests/system/resolver/ns4/v4only.net.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	v4.nameserver.
+			A	10.0.0.1
+*			CNAME	@
diff --git a/bin/tests/system/resolver/ns5/child.server.db b/bin/tests/system/resolver/ns5/child.server.db
new file mode 100644
index 0000000..2517b6c
--- /dev/null
+++ b/bin/tests/system/resolver/ns5/child.server.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns
+ns			A	10.53.0.5
+foo			TXT	"From NS 5"
+bar			TXT	"From NS 5"
diff --git a/bin/tests/system/resolver/ns5/moves.db b/bin/tests/system/resolver/ns5/moves.db
new file mode 100644
index 0000000..57f4e91
--- /dev/null
+++ b/bin/tests/system/resolver/ns5/moves.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns.server.
+foo			TXT	"From NS 5"
+bar			TXT	"From NS 5"
diff --git a/bin/tests/system/resolver/ns5/named.conf.in b/bin/tests/system/resolver/ns5/named.conf.in
new file mode 100644
index 0000000..6ad4e6a
--- /dev/null
+++ b/bin/tests/system/resolver/ns5/named.conf.in
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	querylog yes;
+	prefetch 4 10;
+};
+
+server 10.53.0.7 {
+	edns-version 0;
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
+
+zone "moves" {
+	type primary;
+	file "moves.db";
+};
+
+zone "child.server" {
+	type primary;
+	file "child.server.db";
+};
+
+zone "delegation-only" {
+       type delegation-only;
+};
+
+key rndc_key {
+        secret "1234abcd8765";
+        algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+        inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
diff --git a/bin/tests/system/resolver/ns5/root.hint b/bin/tests/system/resolver/ns5/root.hint
new file mode 100644
index 0000000..3685f54
--- /dev/null
+++ b/bin/tests/system/resolver/ns5/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.4
diff --git a/bin/tests/system/resolver/ns6/broken.db b/bin/tests/system/resolver/ns6/broken.db
new file mode 100644
index 0000000..85b36bf
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/broken.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@	IN SOA	ns hostmaster 1 1800 900 604800 600
+@	IN NS	ns
+ns	IN A	10.53.0.6
+ns0	IN A	10.53.0.6
+ns1	IN A	10.53.0.6
+ns2	IN A	10.53.0.6
+ns3	IN A	10.53.0.6
+ns4	IN A	10.53.0.6
+ns5	IN A	10.53.0.6
+ns6	IN A	10.53.0.6
+ns7	IN A	10.53.0.6
+ns8	IN A	10.53.0.6
+ns9	IN A	10.53.0.6
+$TTL 1
+@	IN A	10.53.0.6
+www.sub	IN A	10.53.0.6
diff --git a/bin/tests/system/resolver/ns6/delegation-only.db b/bin/tests/system/resolver/ns6/delegation-only.db
new file mode 100644
index 0000000..b144338
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/delegation-only.db
@@ -0,0 +1,33 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 120
+@	IN	SOA	ns	marka.isc.org. 1 0 0 0 120
+@	IN	NS	ns
+@	IN	DNSKEY	256 3 7 AwEAAY9437GPWJHzBeR4FP6eJAie7gh2QSM6LUnbDAHvHOx8MNqgSVRM PZka2rAgivb65/MkT1lXRUegj91iRFP3iggTpCgvdUbcBjsYrdODsrwF YUMIUl1pU0lH9x7KvfFUOfSmG+Rk5UHUWuRZbNyc65Sq69iFXg5c11+8 MAkRoeDF
+;
+;	Delegation only test CDS and CDNSKEY records.  These should be
+;	returned even if delegation-only is set for this zone.
+;
+@	IN	A	1.2.3.4
+@	IN	AAAA	c::1.2.3.4
+@	IN	CDS 	12023 7 2 36FB69A752615831B47EA6EF9EA4619D0FB08ABDA69EA3ED200F4C02FF4921D4
+@	IN	CDNSKEY	256 3 7 AwEAAY9437GPWJHzBeR4FP6eJAie7gh2QSM6LUnbDAHvHOx8MNqgSVRM PZka2rAgivb65/MkT1lXRUegj91iRFP3iggTpCgvdUbcBjsYrdODsrwF YUMIUl1pU0lH9x7KvfFUOfSmG+Rk5UHUWuRZbNyc65Sq69iFXg5c11+8 MAkRoeDF
+;
+;	Delegation only test CDS and CDNSKEY records.  These should be rejected
+;	as they are not at the zone apex.
+;
+a	IN	A	1.2.3.4
+aaaa	IN	AAAA	c::1.2.3.4
+cds	IN	CDS	21366 7 1 E6C1716CFB6BDC84E84CE1AB5510DAC69173B5B2
+cdnskey	IN	CDNSKEY	256 3 7 AwEAAY9437GPWJHzBeR4FP6eJAie7gh2QSM6LUnbDAHvHOx8MNqgSVRM PZka2rAgivb65/MkT1lXRUegj91iRFP3iggTpCgvdUbcBjsYrdODsrwF YUMIUl1pU0lH9x7KvfFUOfSmG+Rk5UHUWuRZbNyc65Sq69iFXg5c11+8 MAkRoeDF
+;
+ns	IN	A	10.53.0.6
diff --git a/bin/tests/system/resolver/ns6/ds.example.net.db.in b/bin/tests/system/resolver/ns6/ds.example.net.db.in
new file mode 100644
index 0000000..fad382b
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/ds.example.net.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@	IN SOA	ns hostmaster 1 1800 900 604800 600
+@	IN NS	ns
+ns	IN A	10.53.0.6
diff --git a/bin/tests/system/resolver/ns6/example.net.db.in b/bin/tests/system/resolver/ns6/example.net.db.in
new file mode 100644
index 0000000..4bef728
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/example.net.db.in
@@ -0,0 +1,34 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@	IN SOA	ns hostmaster 1 1800 900 604800 600
+@	IN NS	ns
+@	IN MX	0 mail
+ns	IN A	10.53.0.6
+mail	IN A	10.53.0.6
+www	IN HTTPS 0 http-server
+http-server IN A 10.53.0.6
+https-loop IN HTTPS 0 https-next
+https-loop IN A 10.53.0.6
+https-next IN HTTPS 0 https-loop
+https-next IN A 10.53.0.7
+https-cname IN HTTPS 0 cname-server
+cname-server IN CNAME cname-next
+cname-next IN CNAME http-server
+https-cname-loop IN HTTPS 0 https-cname-loop0
+https-cname-loop0 IN CNAME https-cname-loop0
+fetch 10 IN TXT A short ttl
+non-zero 10 IN TXT A short ttl
+zero 0  IN TXT	A zero ttl
+$TTL 13
+ds 	IN NS	ns.ds
+ns.ds	IN A	10.53.0.6
diff --git a/bin/tests/system/resolver/ns6/fetch.tld.db b/bin/tests/system/resolver/ns6/fetch.tld.db
new file mode 100644
index 0000000..1d59e5a
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/fetch.tld.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.fetch.tld. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns.fetch.tld.
+ns.fetch.tld.		A	10.53.0.6
+
+@	13		TXT	A short ttl
diff --git a/bin/tests/system/resolver/ns6/keygen.sh b/bin/tests/system/resolver/ns6/keygen.sh
new file mode 100644
index 0000000..2141a30
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/keygen.sh
@@ -0,0 +1,38 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+#
+# We use rsasha256 here to get a ZSK + KSK that don't fit in 512 bytes.
+#
+zone=ds.example.net
+zonefile="${zone}.db"
+infile="${zonefile}.in"
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a rsasha256 -fk $zone)
+zsk=$($KEYGEN -q -a rsasha256 -b 2048 $zone)
+cat $ksk.key $zsk.key >> $zonefile
+$SIGNER -P -o $zone $zonefile > /dev/null
+
+zone=example.net
+zonefile="${zone}.db"
+infile="${zonefile}.in"
+cp $infile $zonefile
+ksk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk $zone)
+zsk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} $zone)
+cat $ksk.key $zsk.key dsset-ds.example.net. >> $zonefile
+$SIGNER -P -o $zone $zonefile > /dev/null
+
+# Configure a static key to be used by delv
+keyfile_to_static_ds $ksk > ../ns5/trusted.conf
diff --git a/bin/tests/system/resolver/ns6/moves.db b/bin/tests/system/resolver/ns6/moves.db
new file mode 100644
index 0000000..06634ee
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/moves.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns.server.
+foo			TXT	"From NS 6"
+bar			TXT	"From NS 6"
diff --git a/bin/tests/system/resolver/ns6/named.conf.in b/bin/tests/system/resolver/ns6/named.conf.in
new file mode 100644
index 0000000..769b577
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/named.conf.in
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS6
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { fd92:7065:b8e:ffff::6; };
+	recursion no;
+	dnssec-validation no;
+	querylog yes;
+	statistics-file "named.stats";
+	/*
+	 * test that named loads with root-delegation-only that
+	 * has a exclude list.
+	 */
+	root-delegation-only exclude { "a"; };
+	max-udp-size 4096;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example.net" {
+	type primary;
+	file "example.net.db.signed";
+	allow-update { any; };
+};
+
+zone "ds.example.net" {
+	type primary;
+	file "ds.example.net.db.signed";
+	allow-update { any; };
+};
+
+zone "to-be-removed.tld" {
+	type primary;
+	file "to-be-removed.tld.db";
+	allow-update { any; };
+};
+
+zone "broken" {
+	type primary;
+	file "broken.db";
+	allow-update { any; };
+};
+
+zone "redirect.com" {
+	type primary;
+	file "redirect.com.db";
+};
+
+zone "tld1" {
+	type primary;
+	file "tld1.db";
+};
+
+zone "no-edns-version.tld" {
+	type primary;
+	file "no-edns-version.tld.db";
+};
+
+zone "delegation-only" {
+	type primary;
+	file "delegation-only.db";
+};
+
+zone "fetch.tld" {
+	type primary;
+	file "fetch.tld.db";
+};
+
+zone "targetns" {
+	type primary;
+	file "targetns.db";
+};
+
+key rndc_key {
+        secret "1234abcd8765";
+        algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+        inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
diff --git a/bin/tests/system/resolver/ns6/no-edns-version.tld.db b/bin/tests/system/resolver/ns6/no-edns-version.tld.db
new file mode 100644
index 0000000..9ab654d
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/no-edns-version.tld.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	SOA	. . 0 0 0 0 0
+@	NS	ns
+ns	A	10.53.0.6
diff --git a/bin/tests/system/resolver/ns6/redirect.com.db b/bin/tests/system/resolver/ns6/redirect.com.db
new file mode 100644
index 0000000..f79f6dd
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/redirect.com.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@	IN SOA	ns hostmaster 1 1800 900 604800 600
+@	IN NS	ns
+ns	IN A	10.53.0.6
+
+; 10.53.1.* are non-responsive IP addresses
+$GENERATE 1-100    ns$.fake IN A 10.53.1.$
+$GENERATE 101-200  ns$.fake IN A 10.53.1.${-100}
+$GENERATE 201-300  ns$.fake IN A 10.53.1.${-200}
+$GENERATE 301-400  ns$.fake IN A 10.53.1.${-300}
+$GENERATE 401-500  ns$.fake IN A 10.53.1.${-400}
+$GENERATE 501-600  ns$.fake IN A 10.53.1.${-500}
+$GENERATE 601-700  ns$.fake IN A 10.53.1.${-600}
+$GENERATE 701-800  ns$.fake IN A 10.53.1.${-700}
+$GENERATE 801-900  ns$.fake IN A 10.53.1.${-800}
+$GENERATE 901-1000 ns$.fake IN A 10.53.1.${-900}
diff --git a/bin/tests/system/resolver/ns6/root.db b/bin/tests/system/resolver/ns6/root.db
new file mode 100644
index 0000000..096381c
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/root.db
@@ -0,0 +1,36 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	marka.isc.org. a.root.servers.nil. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.6
+a.root-servers.nil.	AAAA	fd92:7065:b8e:ffff::6
+moves.			NS	ns.server.
+server.			NS	ns7.server.
+ns7.server.		A	10.53.0.7
+;
+; These two delegations are strictly not necessary as the test resolver (ns5)
+; doesn't have this zone as its root.  They are just done for consistency with
+; the delegations in ns4/tld.
+;
+no-edns-version.tld.	NS	ns.no-edns-version.tld.
+ns.no-edns-version.tld.	A	10.53.0.6
+edns-version.tld.	NS	ns.edns-version.tld.
+ns.edns-version.tld.	A	10.53.0.7
+v4only.net.		NS	v4.nameserver.
+v4.nameserver.		A	10.53.0.4
diff --git a/bin/tests/system/resolver/ns6/targetns.db b/bin/tests/system/resolver/ns6/targetns.db
new file mode 100644
index 0000000..4d9496b
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/targetns.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; In the test for checking how many NS records BIND will follow, this
+; zone marks the server as the one to which the NS lookups will be
+; directed.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+			NS	ns
+ns			A	10.53.0.6
diff --git a/bin/tests/system/resolver/ns6/tld1.db b/bin/tests/system/resolver/ns6/tld1.db
new file mode 100644
index 0000000..412509b
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/tld1.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@	IN SOA	ns hostmaster 1 1800 900 604800 600
+@	IN NS	ns
+ns	IN A	10.53.0.6
+
+$GENERATE 1-21 sub IN NS sub-ns$.tld2.
diff --git a/bin/tests/system/resolver/ns6/to-be-removed.tld.db.in b/bin/tests/system/resolver/ns6/to-be-removed.tld.db.in
new file mode 100644
index 0000000..5638090
--- /dev/null
+++ b/bin/tests/system/resolver/ns6/to-be-removed.tld.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@	IN SOA	ns hostmaster 1 1800 900 604800 600
+@	IN NS	ns
+ns	IN A	10.53.0.6
+ns0	IN A	10.53.0.6
+ns1	IN A	10.53.0.6
+ns2	IN A	10.53.0.6
+ns3	IN A	10.53.0.6
+ns4	IN A	10.53.0.6
+ns5	IN A	10.53.0.6
+ns6	IN A	10.53.0.6
+ns7	IN A	10.53.0.6
+ns8	IN A	10.53.0.6
+ns9	IN A	10.53.0.6
+$TTL 1
+@	IN A	10.53.0.6
+www	IN A	10.53.0.6
diff --git a/bin/tests/system/resolver/ns7/all-cnames.db b/bin/tests/system/resolver/ns7/all-cnames.db
new file mode 100644
index 0000000..85003ee
--- /dev/null
+++ b/bin/tests/system/resolver/ns7/all-cnames.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. ns.server. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	cname.tld.
diff --git a/bin/tests/system/resolver/ns7/edns-version.tld.db b/bin/tests/system/resolver/ns7/edns-version.tld.db
new file mode 100644
index 0000000..bcfae40
--- /dev/null
+++ b/bin/tests/system/resolver/ns7/edns-version.tld.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	SOA	. . 0 0 0 0 0
+@	NS	ns
+ns	A	10.53.0.7
diff --git a/bin/tests/system/resolver/ns7/named1.conf.in b/bin/tests/system/resolver/ns7/named1.conf.in
new file mode 100644
index 0000000..1d32ae9
--- /dev/null
+++ b/bin/tests/system/resolver/ns7/named1.conf.in
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS7
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { fd92:7065:b8e:ffff::7; };
+	recursion yes;
+	dnssec-validation yes;
+	empty-zones-enable yes;
+	disable-empty-zone 20.172.in-addr.arpa;
+	/*
+	 * check prefetch disabled
+	 * check zero ttl not returned
+	 */
+	prefetch 0;
+	querylog yes;
+	edns-udp-size 4096;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
+
+zone "server" {
+	type primary;
+	file "server.db";
+	allow-update { any; };
+};
+
+zone "edns-version.tld" {
+	type primary;
+	file "edns-version.tld.db";
+};
+
+zone "all-cnames" {
+	type primary;
+	file "all-cnames.db";
+};
+
+zone "tld2" {
+	type primary;
+	file "tld2.db";
+};
+
+zone "sub.tld1" {
+	type primary;
+	file "sub.tld1.db";
+};
diff --git a/bin/tests/system/resolver/ns7/named2.conf.in b/bin/tests/system/resolver/ns7/named2.conf.in
new file mode 100644
index 0000000..1d32ae9
--- /dev/null
+++ b/bin/tests/system/resolver/ns7/named2.conf.in
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS7
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { fd92:7065:b8e:ffff::7; };
+	recursion yes;
+	dnssec-validation yes;
+	empty-zones-enable yes;
+	disable-empty-zone 20.172.in-addr.arpa;
+	/*
+	 * check prefetch disabled
+	 * check zero ttl not returned
+	 */
+	prefetch 0;
+	querylog yes;
+	edns-udp-size 4096;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
+
+zone "server" {
+	type primary;
+	file "server.db";
+	allow-update { any; };
+};
+
+zone "edns-version.tld" {
+	type primary;
+	file "edns-version.tld.db";
+};
+
+zone "all-cnames" {
+	type primary;
+	file "all-cnames.db";
+};
+
+zone "tld2" {
+	type primary;
+	file "tld2.db";
+};
+
+zone "sub.tld1" {
+	type primary;
+	file "sub.tld1.db";
+};
diff --git a/bin/tests/system/resolver/ns7/root.hint b/bin/tests/system/resolver/ns7/root.hint
new file mode 100644
index 0000000..3337bd5
--- /dev/null
+++ b/bin/tests/system/resolver/ns7/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	a.root-servers.nil.
+a.root-servers.nil.	 IN A	10.53.0.6
diff --git a/bin/tests/system/resolver/ns7/server.db.in b/bin/tests/system/resolver/ns7/server.db.in
new file mode 100644
index 0000000..7d5169a
--- /dev/null
+++ b/bin/tests/system/resolver/ns7/server.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	marka.isc.org. a.root.servers.nil. (
+				2010   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns7
+ns7			A	10.53.0.7
+ns			A	10.53.0.5
+child			NS	ns.child
+ns.child		A	10.53.0.5
diff --git a/bin/tests/system/resolver/ns7/sub.tld1.db b/bin/tests/system/resolver/ns7/sub.tld1.db
new file mode 100644
index 0000000..b2d46c6
--- /dev/null
+++ b/bin/tests/system/resolver/ns7/sub.tld1.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@	IN SOA	ns hostmaster 1 1800 900 604800 600
+
+$GENERATE 1-21 @ IN NS sub-ns$.tld2.
+
+$GENERATE 1-21 bar IN NS bar-sub-ns$.tld2.
diff --git a/bin/tests/system/resolver/ns7/tld2.db b/bin/tests/system/resolver/ns7/tld2.db
new file mode 100644
index 0000000..1f31b51
--- /dev/null
+++ b/bin/tests/system/resolver/ns7/tld2.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 600
+@	IN SOA	ns hostmaster 1 1800 900 604800 600
+@	IN NS	ns
+ns	IN A	10.53.0.7
+
+$GENERATE 1-21 sub-ns$ IN A 10.53.0.7
+$GENERATE 1-21 bar-sub-ns$ IN A 10.53.0.3
diff --git a/bin/tests/system/resolver/ns9/named.args b/bin/tests/system/resolver/ns9/named.args
new file mode 100644
index 0000000..0c66bc0
--- /dev/null
+++ b/bin/tests/system/resolver/ns9/named.args
@@ -0,0 +1,2 @@
+# this server is IPv6 only
+-6 -m record -c named.conf -d 99 -D resolver-ns9 -X named.lock -g -T maxcachesize=2097152
diff --git a/bin/tests/system/resolver/ns9/named.conf.in b/bin/tests/system/resolver/ns9/named.conf.in
new file mode 100644
index 0000000..3be31db
--- /dev/null
+++ b/bin/tests/system/resolver/ns9/named.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS9
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { none; };
+	listen-on-v6 { fd92:7065:b8e:ffff::9; };
+	recursion yes;
+	dnssec-validation yes;
+	dual-stack-servers { fd92:7065:b8e:ffff::7; };
+	qname-minimization off;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet fd92:7065:b8e:ffff::9 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
diff --git a/bin/tests/system/resolver/ns9/named.ipv6-only b/bin/tests/system/resolver/ns9/named.ipv6-only
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/bin/tests/system/resolver/ns9/named.ipv6-only
diff --git a/bin/tests/system/resolver/ns9/root.hint b/bin/tests/system/resolver/ns9/root.hint
new file mode 100644
index 0000000..f74fbf1
--- /dev/null
+++ b/bin/tests/system/resolver/ns9/root.hint
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			 IN NS	 a.root-servers.nil.
+a.root-servers.nil.	 IN A	 10.53.0.6
+a.root-servers.nil.	 IN AAAA fd92:7065:b8e:ffff::6;
diff --git a/bin/tests/system/resolver/setup.sh b/bin/tests/system/resolver/setup.sh
new file mode 100644
index 0000000..eeda13b
--- /dev/null
+++ b/bin/tests/system/resolver/setup.sh
@@ -0,0 +1,28 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=../conf.sh
+. ../conf.sh
+
+cp ns4/tld1.db ns4/tld.db
+cp ns6/to-be-removed.tld.db.in ns6/to-be-removed.tld.db
+cp ns7/server.db.in ns7/server.db
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named1.conf.in ns7/named.conf
+copy_setports ns9/named.conf.in ns9/named.conf
+
+(cd ns6 && $SHELL keygen.sh)
diff --git a/bin/tests/system/resolver/tests.sh b/bin/tests/system/resolver/tests.sh
new file mode 100755
index 0000000..2232e5b
--- /dev/null
+++ b/bin/tests/system/resolver/tests.sh
@@ -0,0 +1,1022 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=../conf.sh
+. ../conf.sh
+
+dig_with_opts() {
+	"${DIG}" -p "${PORT}" "${@}"
+}
+
+resolve_with_opts() {
+	"${RESOLVE}" -p "${PORT}" "${@}"
+}
+
+rndccmd() {
+	"${RNDC}" -c ../common/rndc.conf -p "${CONTROLPORT}" -s "${@}"
+}
+
+status=0
+n=0
+
+n=$((n+1))
+echo_i "checking non-cachable NXDOMAIN response handling ($n)"
+ret=0
+dig_with_opts +tcp nxdomain.example.net @10.53.0.1 a > dig.out.ns1.test${n} || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if [ -x "${RESOLVE}" ] ; then
+   n=$((n+1))
+   echo_i "checking non-cachable NXDOMAIN response handling using dns_client ($n)"
+   ret=0
+   resolve_with_opts -t a -s 10.53.0.1 nxdomain.example.net 2> resolve.out.ns1.test${n} || ret=1
+   grep "resolution failed: ncache nxdomain" resolve.out.ns1.test${n} > /dev/null || ret=1
+   if [ $ret != 0 ]; then echo_i "failed"; fi
+   status=$((status + ret))
+fi
+
+if [ -x "${RESOLVE}" ] ; then
+   n=$((n+1))
+   echo_i "checking that local bound address can be set (Can't query from a denied address) ($n)"
+   ret=0
+   resolve_with_opts -b 10.53.0.8 -t a -s 10.53.0.1 www.example.org 2> resolve.out.ns1.test${n} || ret=1
+   grep "resolution failed: SERVFAIL" resolve.out.ns1.test${n} > /dev/null || ret=1
+   if [ $ret != 0 ]; then echo_i "failed"; fi
+   status=$((status + ret))
+
+   n=$((n+1))
+   echo_i "checking that local bound address can be set (Can query from an allowed address) ($n)"
+   ret=0
+   resolve_with_opts -b 10.53.0.1 -t a -s 10.53.0.1 www.example.org > resolve.out.ns1.test${n} || ret=1
+   grep "www.example.org..*.192.0.2.1" resolve.out.ns1.test${n} > /dev/null || ret=1
+   if [ $ret != 0 ]; then echo_i "failed"; fi
+   status=$((status + ret))
+fi
+
+n=$((n+1))
+echo_i "checking non-cachable NODATA response handling ($n)"
+ret=0
+dig_with_opts +tcp nodata.example.net @10.53.0.1 a > dig.out.ns1.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if [ -x "${RESOLVE}" ] ; then
+    n=$((n+1))
+    echo_i "checking non-cachable NODATA response handling using dns_client ($n)"
+    ret=0
+    resolve_with_opts -t a -s 10.53.0.1 nodata.example.net 2> resolve.out.ns1.test${n} || ret=1
+    grep "resolution failed: ncache nxrrset" resolve.out.ns1.test${n} > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+n=$((n+1))
+echo_i "checking handling of bogus referrals ($n)"
+# If the server has the "INSIST(!external)" bug, this query will kill it.
+dig_with_opts +tcp www.example.com. a @10.53.0.1 >/dev/null || { echo_i "failed"; status=$((status + 1)); }
+
+if [ -x "${RESOLVE}" ] ; then
+    n=$((n+1))
+    echo_i "checking handling of bogus referrals using dns_client ($n)"
+    ret=0
+    resolve_with_opts -t a -s 10.53.0.1 www.example.com 2> resolve.out.ns1.test${n} || ret=1
+    grep "resolution failed: SERVFAIL" resolve.out.ns1.test${n} > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+n=$((n+1))
+echo_i "check handling of cname + other data / 1 ($n)"
+dig_with_opts +tcp cname1.example.com. a @10.53.0.1 >/dev/null || { echo_i "failed"; status=$((status + 1)); }
+
+n=$((n+1))
+echo_i "check handling of cname + other data / 2 ($n)"
+dig_with_opts +tcp cname2.example.com. a @10.53.0.1 >/dev/null || { echo_i "failed"; status=$((status + 1)); }
+
+n=$((n+1))
+echo_i "check that server is still running ($n)"
+dig_with_opts +tcp www.example.com. a @10.53.0.1 >/dev/null || { echo_i "failed"; status=$((status + 1)); }
+
+n=$((n+1))
+echo_i "checking answer IPv4 address filtering (deny) ($n)"
+ret=0
+dig_with_opts +tcp www.example.net @10.53.0.1 a > dig.out.ns1.test${n} || ret=1
+grep "status: SERVFAIL" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "checking answer IPv6 address filtering (deny) ($n)"
+ret=0
+dig_with_opts +tcp www.example.net @10.53.0.1 aaaa > dig.out.ns1.test${n} || ret=1
+grep "status: SERVFAIL" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "checking answer IPv4 address filtering (accept) ($n)"
+ret=0
+dig_with_opts +tcp www.example.org @10.53.0.1 a > dig.out.ns1.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+
+if [ -x "${RESOLVE}" ] ; then
+    n=$((n+1))
+    echo_i "checking answer IPv4 address filtering using dns_client (accept) ($n)"
+    ret=0
+    resolve_with_opts -t a -s 10.53.0.1 www.example.org > resolve.out.ns1.test${n} || ret=1
+    grep "www.example.org..*.192.0.2.1" resolve.out.ns1.test${n} > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+n=$((n+1))
+echo_i "checking answer IPv6 address filtering (accept) ($n)"
+ret=0
+dig_with_opts +tcp www.example.org @10.53.0.1 aaaa > dig.out.ns1.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if [ -x "${RESOLVE}" ] ; then
+    n=$((n+1))
+    echo_i "checking answer IPv6 address filtering using dns_client (accept) ($n)"
+    ret=0
+    resolve_with_opts -t aaaa -s 10.53.0.1 www.example.org > resolve.out.ns1.test${n} || ret=1
+    grep "www.example.org..*.2001:db8:beef::1" resolve.out.ns1.test${n} > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+n=$((n+1))
+echo_i "checking CNAME target filtering (deny) ($n)"
+ret=0
+dig_with_opts +tcp badcname.example.net @10.53.0.1 a > dig.out.ns1.test${n} || ret=1
+grep "status: SERVFAIL" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "checking CNAME target filtering (accept) ($n)"
+ret=0
+dig_with_opts +tcp goodcname.example.net @10.53.0.1 a > dig.out.ns1.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if [ -x "${RESOLVE}" ] ; then
+    n=$((n+1))
+    echo_i "checking CNAME target filtering using dns_client (accept) ($n)"
+    ret=0
+    resolve_with_opts -t a -s 10.53.0.1 goodcname.example.net > resolve.out.ns1.test${n} || ret=1
+    grep "goodcname.example.net..*.goodcname.example.org." resolve.out.ns1.test${n} > /dev/null || ret=1
+    grep "goodcname.example.org..*.192.0.2.1" resolve.out.ns1.test${n} > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+n=$((n+1))
+echo_i "checking CNAME target filtering (accept due to subdomain) ($n)"
+ret=0
+dig_with_opts +tcp cname.sub.example.org @10.53.0.1 a > dig.out.ns1.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if [ -x "${RESOLVE}" ] ; then
+    n=$((n+1))
+    echo_i "checking CNAME target filtering using dns_client (accept due to subdomain) ($n)"
+    ret=0
+    resolve_with_opts -t a -s 10.53.0.1 cname.sub.example.org > resolve.out.ns1.test${n} || ret=1
+    grep "cname.sub.example.org..*.ok.sub.example.org." resolve.out.ns1.test${n} > /dev/null || ret=1
+    grep "ok.sub.example.org..*.192.0.2.1" resolve.out.ns1.test${n} > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+n=$((n+1))
+echo_i "checking DNAME target filtering (deny) ($n)"
+ret=0
+dig_with_opts +tcp foo.baddname.example.net @10.53.0.1 a > dig.out.ns1.test${n} || ret=1
+grep "DNAME target foo.baddname.example.org denied for foo.baddname.example.net/IN" ns1/named.run >/dev/null || ret=1
+grep "status: SERVFAIL" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "checking DNAME target filtering (accept) ($n)"
+ret=0
+dig_with_opts +tcp foo.gooddname.example.net @10.53.0.1 a > dig.out.ns1.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if [ -x "${RESOLVE}" ] ; then
+    n=$((n+1))
+    echo_i "checking DNAME target filtering using dns_client (accept) ($n)"
+    ret=0
+    resolve_with_opts -t a -s 10.53.0.1 foo.gooddname.example.net > resolve.out.ns1.test${n} || ret=1
+    grep "foo.gooddname.example.net..*.gooddname.example.org" resolve.out.ns1.test${n} > /dev/null || ret=1
+    grep "foo.gooddname.example.org..*.192.0.2.1" resolve.out.ns1.test${n} > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+n=$((n+1))
+echo_i "checking DNAME target filtering (accept due to subdomain) ($n)"
+ret=0
+dig_with_opts +tcp www.dname.sub.example.org @10.53.0.1 a > dig.out.ns1.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if [ -x "${RESOLVE}" ] ; then
+    n=$((n+1))
+    echo_i "checking DNAME target filtering using dns_client (accept due to subdomain) ($n)"
+    ret=0
+    resolve_with_opts -t a -s 10.53.0.1 www.dname.sub.example.org > resolve.out.ns1.test${n} || ret=1
+    grep "www.dname.sub.example.org..*.ok.sub.example.org." resolve.out.ns1.test${n} > /dev/null || ret=1
+    grep "www.ok.sub.example.org..*.192.0.2.1" resolve.out.ns1.test${n} > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+n=$((n+1))
+echo_i "check that the resolver accepts a referral response with a non-empty ANSWER section ($n)"
+ret=0
+dig_with_opts @10.53.0.1 foo.glue-in-answer.example.org. A > dig.ns1.out.${n} || ret=1
+grep "status: NOERROR" dig.ns1.out.${n} > /dev/null || ret=1
+grep "foo.glue-in-answer.example.org.*192.0.2.1" dig.ns1.out.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that the resolver limits the number of NS records it follows in a referral response ($n)"
+# ns5 is the recusor being tested.  ns4 holds the sourcens zone containing
+# names with varying numbers of NS records pointing to non-existent
+# nameservers in the targetns zone on ns6.
+ret=0
+rndccmd 10.53.0.5 flush || ret=1   # Ensure cache is empty before doing this test
+count_fetches () {
+        actual=$(nextpartpeek ns5/named.run | grep -c " fetch: ns.fake${nscount}")
+        [ "${actual:-0}" -eq "${expected}" ] || return 1
+        return 0
+}
+for nscount in 1 2 3 4 5 6 7 8 9 10
+do
+        # Verify number of NS records at source server
+        dig_with_opts +norecurse @10.53.0.4 target${nscount}.sourcens ns > dig.ns4.out.${nscount}.${n}
+        sourcerecs=$(grep NS dig.ns4.out.${nscount}.${n} | grep -cv ';')
+        test "${sourcerecs}" -eq "${nscount}" || ret=1
+        test "${sourcerecs}" -eq "${nscount}" || echo_i "NS count incorrect for target${nscount}.sourcens"
+
+        # Expected queries = 2 * number of NS records, up to a maximum of 10.
+        expected=$((nscount*2))
+        if [ "$expected" -gt 10 ]; then expected=10; fi
+        # Count the number of logged fetches
+        nextpart ns5/named.run > /dev/null
+        dig_with_opts @10.53.0.5 target${nscount}.sourcens A > dig.ns5.out.${nscount}.${n} || ret=1
+        retry_quiet 5 count_fetches ns5/named.run $nscount $expected || {
+            echo_i "query count error: $nscount NS records: expected queries $expected, actual $actual"; ret=1;
+        }
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "RT21594 regression test check setup ($n)"
+ret=0
+# Check that "aa" is not being set by the authoritative server.
+dig_with_opts +tcp . @10.53.0.4 soa > dig.ns4.out.${n} || ret=1
+grep 'flags: qr rd;' dig.ns4.out.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "RT21594 regression test positive answers ($n)"
+ret=0
+# Check that resolver accepts the non-authoritative positive answers.
+dig_with_opts +tcp . @10.53.0.5 soa > dig.ns5.out.${n} || ret=1
+grep "status: NOERROR" dig.ns5.out.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "RT21594 regression test NODATA answers ($n)"
+ret=0
+# Check that resolver accepts the non-authoritative nodata answers.
+dig_with_opts +tcp . @10.53.0.5 txt > dig.ns5.out.${n} || ret=1
+grep "status: NOERROR" dig.ns5.out.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "RT21594 regression test NXDOMAIN answers ($n)"
+ret=0
+# Check that resolver accepts the non-authoritative positive answers.
+dig_with_opts +tcp noexistent @10.53.0.5 txt > dig.ns5.out.${n} || ret=1
+grep "status: NXDOMAIN" dig.ns5.out.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that replacement of additional data by a negative cache no data entry clears the additional RRSIGs ($n)"
+ret=0
+dig_with_opts +tcp mx example.net @10.53.0.7 > dig.ns7.out.${n} || ret=1
+grep "status: NOERROR" dig.ns7.out.${n} > /dev/null || ret=1
+if [ $ret = 1 ]; then echo_i "mx priming failed"; fi
+$NSUPDATE << EOF
+server 10.53.0.6 ${PORT}
+zone example.net
+update delete mail.example.net A
+update add mail.example.net 0 AAAA ::1
+send
+EOF
+dig_with_opts +tcp a mail.example.net @10.53.0.7 > dig.ns7.out.${n} || ret=2
+grep "status: NOERROR" dig.ns7.out.${n} > /dev/null || ret=2
+grep "ANSWER: 0" dig.ns7.out.${n} > /dev/null || ret=2
+if [ $ret = 2 ]; then echo_i "ncache priming failed"; fi
+dig_with_opts +tcp mx example.net @10.53.0.7 > dig.ns7.out.${n} || ret=3
+grep "status: NOERROR" dig.ns7.out.${n} > /dev/null || ret=3
+dig_with_opts +tcp rrsig mail.example.net +norec @10.53.0.7 > dig.ns7.out.${n}  || ret=4
+grep "status: NOERROR" dig.ns7.out.${n} > /dev/null || ret=4
+grep "ANSWER: 0" dig.ns7.out.${n} > /dev/null || ret=4
+if [ $ret != 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+if [ $ret != 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "checking that update a nameservers address has immediate effects ($n)"
+ret=0
+dig_with_opts +tcp TXT foo.moves @10.53.0.7 > dig.ns7.foo.${n} || ret=1
+grep "From NS 5" dig.ns7.foo.${n} > /dev/null || ret=1
+$NSUPDATE << EOF
+server 10.53.0.7 ${PORT}
+zone server
+update delete ns.server A
+update add ns.server 300 A 10.53.0.4
+send
+EOF
+sleep 1
+dig_with_opts +tcp TXT bar.moves @10.53.0.7 > dig.ns7.bar.${n} || ret=1
+grep "From NS 4" dig.ns7.bar.${n} > /dev/null || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; status=1; fi
+
+n=$((n+1))
+echo_i "checking that update a nameservers glue has immediate effects ($n)"
+ret=0
+dig_with_opts +tcp TXT foo.child.server @10.53.0.7 > dig.ns7.foo.${n} || ret=1
+grep "From NS 5" dig.ns7.foo.${n} > /dev/null || ret=1
+$NSUPDATE << EOF
+server 10.53.0.7 ${PORT}
+zone server
+update delete ns.child.server A
+update add ns.child.server 300 A 10.53.0.4
+send
+EOF
+sleep 1
+dig_with_opts +tcp TXT bar.child.server @10.53.0.7 > dig.ns7.bar.${n} || ret=1
+grep "From NS 4" dig.ns7.bar.${n} > /dev/null || ret=1
+
+if [ $ret != 0 ]; then echo_i "failed"; status=1; fi
+
+n=$((n+1))
+echo_i "checking empty RFC 1918 reverse zones ($n)"
+ret=0
+# Check that "aa" is being set by the resolver for RFC 1918 zones
+# except the one that has been deliberately disabled
+dig_with_opts @10.53.0.7 -x 10.1.1.1 > dig.ns4.out.1.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.1.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 192.168.1.1 > dig.ns4.out.2.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.2.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.16.1.1  > dig.ns4.out.3.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.3.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.17.1.1 > dig.ns4.out.4.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.4.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.18.1.1 > dig.ns4.out.5.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.5.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.19.1.1 > dig.ns4.out.6.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.6.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.21.1.1 > dig.ns4.out.7.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.7.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.22.1.1 > dig.ns4.out.8.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.8.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.23.1.1 > dig.ns4.out.9.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.9.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.24.1.1 > dig.ns4.out.11.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.11.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.25.1.1 > dig.ns4.out.12.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.12.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.26.1.1 > dig.ns4.out.13.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.13.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.27.1.1 > dig.ns4.out.14.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.14.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.28.1.1 > dig.ns4.out.15.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.15.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.29.1.1 > dig.ns4.out.16.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.16.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.30.1.1 > dig.ns4.out.17.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.17.${n} > /dev/null || ret=1
+dig_with_opts @10.53.0.7 -x 172.31.1.1 > dig.ns4.out.18.${n} || ret=1
+grep 'flags: qr aa rd ra;' dig.ns4.out.18.${n} > /dev/null || ret=1
+# but this one should NOT be authoritative
+dig_with_opts @10.53.0.7 -x 172.20.1.1 > dig.ns4.out.19.${n} || ret=1
+grep 'flags: qr rd ra;' dig.ns4.out.19.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; status=1; fi
+
+n=$((n+1))
+echo_i "checking that removal of a delegation is honoured ($n)"
+ret=0
+dig_with_opts @10.53.0.5 www.to-be-removed.tld A > dig.ns5.prime.${n}
+grep "status: NOERROR" dig.ns5.prime.${n} > /dev/null || { ret=1; echo_i "priming failed"; }
+cp ns4/tld2.db ns4/tld.db
+rndc_reload ns4 10.53.0.4 tld
+old=
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	foo=0
+	dig_with_opts @10.53.0.5 ns$i.to-be-removed.tld A > /dev/null
+	dig_with_opts @10.53.0.5 www.to-be-removed.tld A > dig.ns5.out.${n}
+	grep "status: NXDOMAIN" dig.ns5.out.${n} > /dev/null || foo=1
+	[ $foo = 0 ] && break
+	$NSUPDATE << EOF
+server 10.53.0.6 ${PORT}
+zone to-be-removed.tld
+update add to-be-removed.tld 100 NS ns${i}.to-be-removed.tld
+update delete to-be-removed.tld NS ns${old}.to-be-removed.tld
+send
+EOF
+	old=$i
+	sleep 1
+done
+[ $ret = 0 ] && ret=$foo;
+if [ $ret != 0 ]; then echo_i "failed"; status=1; fi
+
+n=$((n+1))
+echo_i "check for improved error message with SOA mismatch ($n)"
+ret=0
+dig_with_opts @10.53.0.1 www.sub.broken aaaa > dig.out.ns1.test${n} || ret=1
+grep "not subdomain of zone" ns1/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+copy_setports ns7/named2.conf.in ns7/named.conf
+rndccmd 10.53.0.7 reconfig 2>&1 | sed 's/^/ns7 /' | cat_i
+
+n=$((n+1))
+echo_i "check resolution on the listening port ($n)"
+ret=0
+dig_with_opts +tcp +tries=2 +time=5 mx example.net @10.53.0.7 > dig.ns7.out.${n} || ret=2
+grep "status: NOERROR" dig.ns7.out.${n} > /dev/null || ret=1
+grep "ANSWER: 1" dig.ns7.out.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; ret=1; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check prefetch (${n})"
+ret=0
+# read prefetch value from config.
+PREFETCH=$(sed -n "s/[[:space:]]*prefetch \([0-9]\).*/\1/p" ns5/named.conf)
+dig_with_opts @10.53.0.5 fetch.tld txt > dig.out.1.${n} || ret=1
+ttl1=$(awk '/"A" "short" "ttl"/ { print $2 }' dig.out.1.${n})
+interval=$((ttl1 - PREFETCH + 1))
+# sleep so we are in prefetch range
+sleep ${interval:-0}
+# trigger prefetch
+dig_with_opts @10.53.0.5 fetch.tld txt > dig.out.2.${n} || ret=1
+ttl2=$(awk '/"A" "short" "ttl"/ { print $2 }' dig.out.2.${n})
+sleep 1
+# check that prefetch occurred
+dig_with_opts @10.53.0.5 fetch.tld txt > dig.out.3.${n} || ret=1
+ttl=$(awk '/"A" "short" "ttl"/ { print $2 }' dig.out.3.${n})
+test "${ttl:-0}" -gt "${ttl2:-1}" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check prefetch of validated DS's RRSIG TTL is updated (${n})"
+ret=0
+dig_with_opts +dnssec @10.53.0.5 ds.example.net ds > dig.out.1.${n} || ret=1
+dsttl1=$(awk '$4 == "DS" && $7 == "2" { print $2 }' dig.out.1.${n})
+interval=$((dsttl1 - PREFETCH + 1))
+# sleep so we are in prefetch range
+sleep ${interval:-0}
+# trigger prefetch
+dig_with_opts @10.53.0.5 ds.example.net ds > dig.out.2.${n} || ret=1
+dsttl2=$(awk '$4 == "DS" && $7 == "2" { print $2 }' dig.out.2.${n})
+sleep 1
+# check that prefetch occurred
+dig_with_opts @10.53.0.5 ds.example.net ds +dnssec > dig.out.3.${n} || ret=1
+dsttl=$(awk '$4 == "DS" && $7 == "2" { print $2 }' dig.out.3.${n})
+sigttl=$(awk '$4 == "RRSIG" && $5 == "DS" { print $2 }' dig.out.3.${n})
+test "${dsttl:-0}" -gt "${dsttl2:-1}" || ret=1
+test "${sigttl:-0}" -gt "${dsttl2:-1}" || ret=1
+test "${dsttl:-0}" -eq "${sigttl:-1}" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check prefetch disabled (${n})"
+ret=0
+dig_with_opts @10.53.0.7 fetch.example.net txt > dig.out.1.${n} || ret=1
+ttl1=$(awk '/"A" "short" "ttl"/ { print $2 }' dig.out.1.${n})
+interval=$((ttl1 - PREFETCH + 1))
+# sleep so we are in expire range
+sleep ${interval:-0}
+tmp_ttl=$ttl1
+no_prefetch() {
+	# fetch record and ensure its ttl is in range 0 < ttl < tmp_ttl.
+	# since prefetch is disabled, updated ttl must be a lower value than
+	# the previous one.
+	dig_with_opts @10.53.0.7 fetch.example.net txt > dig.out.2.${n} || return 1
+	ttl2=$(awk '/"A" "short" "ttl"/ { print $2 }' dig.out.2.${n})
+        # check that prefetch has not occurred
+        if [ "$ttl2" -ge "${tmp_ttl}" ]; then
+                return 1
+        fi
+        tmp_ttl=$ttl2
+}
+retry_quiet 3 no_prefetch || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check prefetch qtype * (${n})"
+ret=0
+dig_with_opts @10.53.0.5 fetchall.tld any > dig.out.1.${n} || ret=1
+ttl1=$(awk '/"A" "short" "ttl"/ { print $2 - 3 }' dig.out.1.${n})
+# sleep so we are in prefetch range
+sleep "${ttl1:-0}"
+# trigger prefetch
+dig_with_opts @10.53.0.5 fetchall.tld any > dig.out.2.${n} || ret=1
+ttl2=$(awk '/"A" "short" "ttl"/ { print $2 }' dig.out.2.${n})
+sleep 1
+# check that prefetch occurred;
+# note that only one record is prefetched, which is the TXT record in this case,
+# because of the order of the records in the cache
+dig_with_opts @10.53.0.5 fetchall.tld any > dig.out.3.${n} || ret=1
+ttl3=$(awk '/"A" "short" "ttl"/ { print $2 }' dig.out.3.${n})
+test "${ttl3:-0}" -gt "${ttl2:-1}" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that E was logged on EDNS queries in the query log (${n})"
+ret=0
+dig_with_opts @10.53.0.5 +edns edns.fetchall.tld any > dig.out.2.${n} || ret=1
+grep "query: edns.fetchall.tld IN ANY +E" ns5/named.run > /dev/null || ret=1
+dig_with_opts @10.53.0.5 +noedns noedns.fetchall.tld any > dig.out.2.${n} || ret=1
+grep "query: noedns.fetchall.tld IN ANY" ns5/named.run > /dev/null || ret=1
+grep "query: noedns.fetchall.tld IN ANY +E" ns5/named.run > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that '-t aaaa' in .digrc does not have unexpected side effects ($n)"
+ret=0
+echo "-t aaaa" > .digrc
+(HOME="$(pwd)" dig_with_opts @10.53.0.4 . > dig.out.1.${n}) || ret=1
+(HOME="$(pwd)" dig_with_opts @10.53.0.4 . A > dig.out.2.${n}) || ret=1
+(HOME="$(pwd)" dig_with_opts @10.53.0.4 -x 127.0.0.1 > dig.out.3.${n}) || ret=1
+grep ';\..*IN.*AAAA$' dig.out.1.${n} > /dev/null || ret=1
+grep ';\..*IN.*A$' dig.out.2.${n} > /dev/null || ret=1
+grep 'extra type option' dig.out.2.${n} > /dev/null && ret=1
+grep ';1\.0\.0\.127\.in-addr\.arpa\..*IN.*PTR$' dig.out.3.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+edns=$($FEATURETEST --edns-version)
+
+n=$((n+1))
+echo_i "check that EDNS version is logged (${n})"
+ret=0
+dig_with_opts @10.53.0.5 +edns edns0.fetchall.tld any > dig.out.2.${n} || ret=1
+grep "query: edns0.fetchall.tld IN ANY +E(0)" ns5/named.run > /dev/null || ret=1
+if test "${edns:-0}" != 0; then
+    dig_with_opts @10.53.0.5 +edns=1 edns1.fetchall.tld any > dig.out.2.${n} || ret=1
+    grep "query: edns1.fetchall.tld IN ANY +E(1)" ns5/named.run > /dev/null || ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if test "${edns:-0}" != 0; then
+    n=$((n+1))
+    echo_i "check that edns-version is honoured (${n})"
+    ret=0
+    dig_with_opts @10.53.0.5 +edns no-edns-version.tld > dig.out.1.${n} || ret=1
+    grep "query: no-edns-version.tld IN A -E(1)" ns6/named.run > /dev/null || ret=1
+    dig_with_opts @10.53.0.5 +edns edns-version.tld > dig.out.2.${n} || ret=1
+    grep "query: edns-version.tld IN A -E(0)" ns7/named.run > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+n=$((n+1))
+echo_i "check that CNAME nameserver is logged correctly (${n})"
+ret=0
+dig_with_opts soa all-cnames @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: SERVFAIL" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "skipping nameserver 'cname.tld' because it is a CNAME, while resolving 'all-cnames/SOA'" ns5/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that unexpected opcodes are handled correctly (${n})"
+ret=0
+dig_with_opts soa all-cnames @10.53.0.5 +opcode=15 +cd +rec +ad +zflag > dig.out.ns5.test${n} || ret=1
+grep "status: NOTIMP" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "flags:[^;]* qr[; ]" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "flags:[^;]* ra[; ]" dig.out.ns5.test${n} > /dev/null && ret=1
+grep "flags:[^;]* rd[; ]" dig.out.ns5.test${n} > /dev/null && ret=1
+grep "flags:[^;]* cd[; ]" dig.out.ns5.test${n} > /dev/null && ret=1
+grep "flags:[^;]* ad[; ]" dig.out.ns5.test${n} > /dev/null && ret=1
+grep "flags:[^;]*; MBZ: " dig.out.ns5.test${n} > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that EDNS client subnet with non-zeroed bits is handled correctly (${n})"
+ret=0
+# 0001 (IPv4) 1f (31 significant bits) 00 (0) ffffffff (255.255.255.255)
+dig_with_opts soa . @10.53.0.5 +ednsopt=8:00011f00ffffffff > dig.out.ns5.test${n} || ret=1
+grep "status: FORMERR" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "; EDNS: version:" dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that dig +subnet zeros address bits correctly (${n})"
+ret=0
+dig_with_opts soa . @10.53.0.5 +subnet=255.255.255.255/23 > dig.out.ns5.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "CLIENT-SUBNET: 255.255.254.0/23/0" dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that SOA query returns data for delegation-only apex (${n})"
+ret=0
+dig_with_opts soa delegation-only @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n+1))
+
+n=$((n+1))
+echo_i "check that NS query returns data for delegation-only apex (${n})"
+ret=0
+dig_with_opts ns delegation-only @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that A query returns data for delegation-only A apex (${n})"
+ret=0
+dig_with_opts a delegation-only @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that CDS query returns data for delegation-only apex (${n})"
+ret=0
+dig_with_opts cds delegation-only @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that AAAA query returns data for delegation-only AAAA apex (${n})"
+ret=0
+dig_with_opts a delegation-only @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n+1))
+
+echo_i "check that DNSKEY query returns data for delegation-only apex (${n})"
+ret=0
+dig_with_opts dnskey delegation-only @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that CDNSKEY query returns data for delegation-only apex (${n})"
+ret=0
+dig_with_opts cdnskey delegation-only @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns5.test${n} > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that NXDOMAIN is returned for delegation-only non-apex A data (${n})"
+ret=0
+dig_with_opts a a.delegation-only @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: NXDOMAIN" dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that NXDOMAIN is returned for delegation-only non-apex CDS data (${n})"
+ret=0
+dig_with_opts cds cds.delegation-only @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: NXDOMAIN" dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that NXDOMAIN is returned for delegation-only non-apex AAAA data (${n})"
+ret=0
+dig_with_opts aaaa aaaa.delegation-only @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: NXDOMAIN" dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n+1))
+
+echo_i "check that NXDOMAIN is returned for delegation-only non-apex CDNSKEY data (${n})"
+ret=0
+dig_with_opts cdnskey cdnskey.delegation-only @10.53.0.5 > dig.out.ns5.test${n} || ret=1
+grep "status: NXDOMAIN" dig.out.ns5.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check zero ttl not returned for learnt non zero ttl records (${n})"
+ret=0
+# use prefetch disabled server
+dig_with_opts @10.53.0.7 non-zero.example.net txt > dig.out.1.${n} || ret=1
+ttl1=$(awk '/"A" "short" "ttl"/ { print $2 - 2 }' dig.out.1.${n})
+# sleep so we are in expire range
+sleep "${ttl1:-0}"
+# look for ttl = 1, allow for one miss at getting zero ttl
+zerotonine="0 1 2 3 4 5 6 7 8 9"
+zerotonine="$zerotonine $zerotonine $zerotonine"
+for i in $zerotonine $zerotonine $zerotonine $zerotonine
+do
+	dig_with_opts @10.53.0.7 non-zero.example.net txt > dig.out.2.${n} || ret=1
+	ttl2=$(awk '/"A" "short" "ttl"/ { print $2 }' dig.out.2.${n})
+	test "${ttl2:-1}" -eq 0 && break
+	test "${ttl2:-1}" -ge "${ttl1:-0}" && break
+	"${PERL}" -e 'select(undef, undef, undef, 0.05);'
+done
+test "${ttl2:-1}" -eq 0 && ret=1
+test "${ttl2:-1}" -ge "${ttl1:-0}" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check zero ttl is returned for learnt zero ttl records (${n})"
+ret=0
+dig_with_opts @10.53.0.7 zero.example.net txt > dig.out.1.${n} || ret=1
+ttl=$(awk '/"A" "zero" "ttl"/ { print $2 }' dig.out.1.${n})
+test "${ttl:-1}" -eq 0 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that 'ad' in not returned in truncated answer with empty answer and authority sections to request with +ad (${n})"
+ret=0
+dig_with_opts @10.53.0.6 dnskey ds.example.net +bufsize=512 +ad +nodnssec +ignore +norec > dig.out.$n
+grep "flags: qr aa tc; QUERY: 1, ANSWER: 0, AUTHORITY: 0" dig.out.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that 'ad' in not returned in truncated answer with empty answer and authority sections to request with +dnssec (${n})"
+ret=0
+dig_with_opts @10.53.0.6 dnskey ds.example.net +bufsize=512 +noad +dnssec +ignore +norec > dig.out.$n
+grep "flags: qr aa tc; QUERY: 1, ANSWER: 0, AUTHORITY: 0" dig.out.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that the resolver accepts a reply with empty question section with TC=1 and retries over TCP ($n)"
+ret=0
+dig_with_opts @10.53.0.5 truncated.no-questions. a +tries=3 +time=4 > dig.ns5.out.${n} || ret=1
+grep "status: NOERROR" dig.ns5.out.${n} > /dev/null || ret=1
+grep "ANSWER: 1," dig.ns5.out.${n} > /dev/null || ret=1
+grep "1\.2\.3\.4" dig.ns5.out.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that the resolver rejects a reply with empty question section with TC=0 ($n)"
+ret=0
+dig_with_opts @10.53.0.5 not-truncated.no-questions. a +tries=3 +time=4 > dig.ns5.out.${n} || ret=1
+grep "status: NOERROR" dig.ns5.out.${n} > /dev/null && ret=1
+grep "ANSWER: 1," dig.ns5.out.${n} > /dev/null && ret=1
+grep "1\.2\.3\.4" dig.ns5.out.${n} > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+if ${FEATURETEST} --enable-querytrace; then
+    n=$((n+1))
+    echo_i "check that SERVFAIL is returned for an empty question section via TCP ($n)"
+    ret=0
+    nextpart ns5/named.run > /dev/null
+    # bind to local address so that addresses in log messages are consistent
+    # between platforms
+    dig_with_opts @10.53.0.5 -b 10.53.0.5 tcpalso.no-questions. a +tries=2 +timeout=15 > dig.ns5.out.${n} || ret=1
+    grep "status: SERVFAIL" dig.ns5.out.${n} > /dev/null || ret=1
+    check_namedrun() {
+    nextpartpeek ns5/named.run > nextpart.out.${n}
+    grep 'resolving tcpalso.no-questions/A for [^:]*: empty question section, accepting it anyway as TC=1' nextpart.out.${n} > /dev/null || return 1
+    grep '(tcpalso.no-questions/A): connecting via TCP' nextpart.out.${n} > /dev/null || return 1
+    grep 'resolving tcpalso.no-questions/A for [^:]*: empty question section$' nextpart.out.${n} > /dev/null || return 1
+    grep '(tcpalso.no-questions/A): nextitem' nextpart.out.${n} > /dev/null || return 1
+    return 0
+    }
+    retry_quiet 12 check_namedrun || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+n=$((n+1))
+echo_i "checking SERVFAIL is returned when all authoritative servers return FORMERR ($n)"
+ret=0
+dig_with_opts @10.53.0.5 ns.formerr-to-all. a > dig.ns5.out.${n} || ret=1
+grep "status: SERVFAIL" dig.ns5.out.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "checking SERVFAIL is not returned if only some authoritative servers return FORMERR ($n)"
+ret=0
+dig_with_opts @10.53.0.5 ns.partial-formerr. a > dig.ns5.out.${n} || ret=1
+grep "status: SERVFAIL" dig.ns5.out.${n} > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check logged command line ($n)"
+ret=0
+grep "running as: .* -m record " ns1/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "checking NXDOMAIN is returned when querying non existing domain in CH class ($n)"
+ret=0
+dig_with_opts @10.53.0.1 id.hostname txt ch > dig.ns1.out.${n} || ret=1
+grep "status: NXDOMAIN" dig.ns1.out.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that the addition section for HTTPS is populated on initial query to a recursive server ($n)"
+ret=0
+dig_with_opts @10.53.0.7 www.example.net https > dig.out.ns7.${n} || ret=1
+grep "status: NOERROR" dig.out.ns7.${n} > /dev/null || ret=1
+grep "flags:[^;]* ra[ ;]" dig.out.ns7.${n} > /dev/null || ret=1
+grep "ADDITIONAL: 2" dig.out.ns7.${n} > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns7.${n} > /dev/null || ret=1
+grep "http-server\.example\.net\..*A.*10\.53\.0\.6" dig.out.ns7.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check HTTPS loop is handled properly ($n)"
+ret=0
+dig_with_opts @10.53.0.7 https-loop.example.net https > dig.out.ns7.${n} || ret=1
+grep "status: NOERROR" dig.out.ns7.${n} > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns7.${n} > /dev/null || ret=1
+grep "ADDITIONAL: 2" dig.out.ns7.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check HTTPS -> CNAME loop is handled properly ($n)"
+ret=0
+dig_with_opts @10.53.0.7 https-cname-loop.example.net https > dig.out.ns7.${n} || ret=1
+grep "status: NOERROR" dig.out.ns7.${n} > /dev/null || ret=1
+grep "ADDITIONAL: 2" dig.out.ns7.${n} > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns7.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check HTTPS cname chains are followed ($n)"
+ret=0
+dig_with_opts @10.53.0.7 https-cname.example.net https > dig.out.ns7.${n} || ret=1
+grep "status: NOERROR" dig.out.ns7.${n} > /dev/null || ret=1
+grep "ADDITIONAL: 4" dig.out.ns7.${n} > /dev/null || ret=1
+grep 'http-server\.example\.net\..*A.10\.53\.0\.6' dig.out.ns7.${n} > /dev/null || ret=1
+grep 'cname-server\.example\.net\..*CNAME.cname-next\.example\.net\.' dig.out.ns7.${n} > /dev/null || ret=1
+grep 'cname-next\.example\.net\..*CNAME.http-server\.example\.net\.' dig.out.ns7.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check ADB find loops are detected ($n)"
+ret=0
+dig_with_opts +tcp +tries=1 +timeout=5 @10.53.0.1 fake.lame.example.org > dig.out.ns1.${n} || ret=1
+grep "status: SERVFAIL" dig.out.ns1.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check handling of large referrals to unresponsive name servers ($n)"
+ret=0
+dig_with_opts +timeout=15 large-referral.example.net @10.53.0.1 a > dig.out.ns1.test${n} || ret=1
+grep "status: SERVFAIL" dig.out.ns1.test${n} > /dev/null || ret=1
+# Check the total number of findname() calls triggered by a single query
+# for large-referral.example.net/A.
+findname_call_count="$(grep -c "large-referral\.example\.net.*FINDNAME" ns1/named.run || true)"
+if [ "${findname_call_count}" -gt 1000 ]; then
+	echo_i "failed: ${findname_call_count} (> 1000) findname() calls detected for large-referral.example.net"
+	ret=1
+fi
+# Check whether the limit of NS RRs processed for any delegation
+# encountered was not exceeded.
+if grep -Eq "dns_adb_createfind: started (A|AAAA) fetch for name ns21.fake.redirect.com" ns1/named.run; then
+	echo_i "failed: unexpected address fetch(es) were triggered for ns21.fake.redirect.com"
+	ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "checking query resolution for a domain with a valid glueless delegation chain ($n)"
+ret=0
+rndccmd 10.53.0.1 flush || ret=1
+dig_with_opts foo.bar.sub.tld1 @10.53.0.1 TXT > dig.out.ns1.test${n} || ret=1
+grep "status: NOERROR" dig.out.ns1.test${n} > /dev/null || ret=1
+grep "IN.*TXT.*baz" dig.out.ns1.test${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that correct namespace is chosen for dual-stack-servers ($n)"
+ret=0
+#
+# The two priming queries are needed until we fix dual-stack-servers fully
+#
+dig_with_opts @fd92:7065:b8e:ffff::9 v4.nameserver A > dig.out.prime1.${n} || ret=1
+dig_with_opts @fd92:7065:b8e:ffff::9 v4.nameserver AAAA > dig.out.prime2.${n} || ret=1
+dig_with_opts @fd92:7065:b8e:ffff::9 foo.v4only.net A > dig.out.ns9.${n} || ret=1
+grep "status: NOERROR" dig.out.ns9.${n} > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check expired TTLs with qtype * (${n})"
+ret=0
+dig_with_opts +tcp @10.53.0.5 mixedttl.tld any > dig.out.1.${n} || ret=1
+ttl1=$(awk '$1 == "mixedttl.tld." && $4 == "A" { print $2 + 1 }' dig.out.1.${n})
+# sleep TTL + 1 so that record has expired
+sleep "${ttl1:-0}"
+dig_with_opts +tcp @10.53.0.5 mixedttl.tld any > dig.out.2.${n} || ret=1
+# check preconditions
+grep "ANSWER: 3," dig.out.1.${n} > /dev/null || ret=1
+lines=$(awk '$1 == "mixedttl.tld." && $2 > 30 { print }' dig.out.1.${n} | wc -l)
+test ${lines:-1} -ne 0 && ret=1
+# check behaviour (there may be 1 answer on very slow machines)
+grep "ANSWER: [12]," dig.out.2.${n} > /dev/null || ret=1
+lines=$(awk '$1 == "mixedttl.tld." && $2 > 30 { print }' dig.out.2.${n} | wc -l)
+test ${lines:-1} -ne 0 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+n=$((n+1))
+echo_i "check resolver behavior when FORMERR for EDNS options happens (${n})"
+ret=0
+msg="resolving options-formerr/A .* server sent FORMERR with echoed DNS COOKIE"
+if [ $ret != 0 ]; then echo_i "failed"; fi
+nextpart ns5/named.run >/dev/null
+dig_with_opts +tcp @10.53.0.5 options-formerr A > dig.out.${n} || ret=1
+grep "status: NOERROR" dig.out.${n} > /dev/null || ret=1
+nextpart ns5/named.run | grep "$msg" > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/resolver/tests_sh_resolver.py b/bin/tests/system/resolver/tests_sh_resolver.py
new file mode 100644
index 0000000..d8de300
--- /dev/null
+++ b/bin/tests/system/resolver/tests_sh_resolver.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_resolver(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/rndc/clean.sh b/bin/tests/system/rndc/clean.sh
new file mode 100644
index 0000000..d18b5a5
--- /dev/null
+++ b/bin/tests/system/rndc/clean.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out.*.test*
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/named.run ns*/named.run.prev
+rm -f ns2/named.stats
+rm -f ns2/nil.db ns2/other.db ns2/static.db ns2/*.jnl
+rm -f ns2/session.key
+rm -f ns3/named_dump.db*
+rm -f ns4/*.nta
+rm -f ns4/example.db ns4/example.db.jnl
+rm -f ns4/key?.conf
+rm -f ns6/huge.zone.db
+rm -f ns7/include.db ns7/test.db ns7/*.jnl
+rm -f ns7/named_dump.db*
+rm -f ns*/named.conf
+rm -f nsupdate.out.*.test*
+rm -f python.out.*.test*
+rm -f rndc.out.*.test*
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
+rm -f ns*/*.nta
diff --git a/bin/tests/system/rndc/gencheck.c b/bin/tests/system/rndc/gencheck.c
new file mode 100644
index 0000000..7949b66
--- /dev/null
+++ b/bin/tests/system/rndc/gencheck.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <isc/print.h>
+
+#define USAGE "usage: gencheck <filename>\n"
+
+static int
+check(const char *buf, ssize_t count, size_t *start) {
+	const char chars[] = "abcdefghijklmnopqrstuvwxyz0123456789";
+	ssize_t i;
+
+	for (i = 0; i < count; i++, *start = (*start + 1) % (sizeof(chars) - 1))
+	{
+		/* Just ignore the trailing newline */
+		if (buf[i] == '\n') {
+			continue;
+		}
+		if (buf[i] != chars[*start]) {
+			return (0);
+		}
+	}
+
+	return (1);
+}
+
+int
+main(int argc, char **argv) {
+	int ret;
+	int fd;
+	ssize_t count;
+	char buf[1024];
+	size_t start;
+	size_t length;
+
+	ret = EXIT_FAILURE;
+	fd = -1;
+	length = 0;
+
+	if (argc != 2) {
+		fprintf(stderr, USAGE);
+		goto out;
+	}
+
+	fd = open(argv[1], O_RDONLY);
+	if (fd == -1) {
+		goto out;
+	}
+
+	start = 0;
+	while ((count = read(fd, buf, sizeof(buf))) != 0) {
+		if (count < 0) {
+			goto out;
+		}
+
+		if (!check(buf, count, &start)) {
+			goto out;
+		}
+
+		length += count;
+	}
+
+	ret = EXIT_SUCCESS;
+
+out:
+	printf("%lu\n", (unsigned long)length);
+
+	if (fd != -1) {
+		close(fd);
+	}
+
+	return (ret);
+}
diff --git a/bin/tests/system/rndc/ns2/incl.db b/bin/tests/system/rndc/ns2/incl.db
new file mode 100644
index 0000000..bb8b343
--- /dev/null
+++ b/bin/tests/system/rndc/ns2/incl.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; Used for testing $INCLUDE
+$INCLUDE "static.db"
diff --git a/bin/tests/system/rndc/ns2/named.conf.in b/bin/tests/system/rndc/ns2/named.conf.in
new file mode 100644
index 0000000..c3ce3eb
--- /dev/null
+++ b/bin/tests/system/rndc/ns2/named.conf.in
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+key secondkey {
+	secret "abcd1234abcd8765";
+	algorithm hmac-sha256;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; secondkey; };
+};
+
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "nil" {
+	type primary;
+	update-policy local;
+	file "nil.db";
+	ixfr-from-differences yes;
+};
+
+zone "other" {
+	type primary;
+	update-policy local;
+	file "other.db";
+};
+
+zone "static" {
+	type primary;
+	file "static.db";
+};
+
+zone "incl" {
+	type primary;
+	file "incl.db";
+};
diff --git a/bin/tests/system/rndc/ns2/secondkey.conf b/bin/tests/system/rndc/ns2/secondkey.conf
new file mode 100644
index 0000000..1b6af7b
--- /dev/null
+++ b/bin/tests/system/rndc/ns2/secondkey.conf
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	default-key     "secondkey";
+};
+
+key secondkey {
+	secret "abcd1234abcd8765";
+	algorithm hmac-sha256;
+};
diff --git a/bin/tests/system/rndc/ns3/named.conf.in b/bin/tests/system/rndc/ns3/named.conf.in
new file mode 100644
index 0000000..ed159b4
--- /dev/null
+++ b/bin/tests/system/rndc/ns3/named.conf.in
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+key secondkey {
+	secret "abcd1234abcd8765";
+	algorithm hmac-sha256;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view all {
+	match-clients { any; };
+
+	recursion no;
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+};
+
+view none {
+	match-clients { none; };
+};
diff --git a/bin/tests/system/rndc/ns4/named.conf.in b/bin/tests/system/rndc/ns4/named.conf.in
new file mode 100644
index 0000000..6dc37ec
--- /dev/null
+++ b/bin/tests/system/rndc/ns4/named.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+};
+
+view normal {
+	match-clients { any; };
+
+	zone example {
+		type primary;
+		file "example.db";
+		allow-update { any; };
+	};
+};
+
+view "view with a space" {
+	match-clients { none; };
+	zone example {
+		in-view normal;
+	};
+};
diff --git a/bin/tests/system/rndc/ns5/named.conf.in b/bin/tests/system/rndc/ns5/named.conf.in
new file mode 100644
index 0000000..e32fa49
--- /dev/null
+++ b/bin/tests/system/rndc/ns5/named.conf.in
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; } read-only yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/rndc/ns6/named.args b/bin/tests/system/rndc/ns6/named.args
new file mode 100644
index 0000000..331f7f4
--- /dev/null
+++ b/bin/tests/system/rndc/ns6/named.args
@@ -0,0 +1,3 @@
+# teardown of a huge zone with tracing enabled takes way too long
+# -m none is set so that stop.pl does not timeout
+-D rndc-ns6 -X named.lock -m none -c named.conf -d 99 -g -U 4 -T maxcachesize=2097152
diff --git a/bin/tests/system/rndc/ns6/named.conf.in b/bin/tests/system/rndc/ns6/named.conf.in
new file mode 100644
index 0000000..a465a20
--- /dev/null
+++ b/bin/tests/system/rndc/ns6/named.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
diff --git a/bin/tests/system/rndc/ns7/include.db.in b/bin/tests/system/rndc/ns7/include.db.in
new file mode 100644
index 0000000..011997b
--- /dev/null
+++ b/bin/tests/system/rndc/ns7/include.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@		86400	IN SOA	ns7 hostmaster 1 5 5 1814400 3600
+@			NS	ns7
+ns7			A	10.53.0.7
+
+text1			TXT	"include 1"
diff --git a/bin/tests/system/rndc/ns7/include2.db.in b/bin/tests/system/rndc/ns7/include2.db.in
new file mode 100644
index 0000000..e5d1981
--- /dev/null
+++ b/bin/tests/system/rndc/ns7/include2.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@		86400	IN SOA	ns7 hostmaster 4 5 5 1814400 3600
+@			NS	ns7
+ns7			A	10.53.0.7
+
+text1			TXT	"include 2"
diff --git a/bin/tests/system/rndc/ns7/named.conf.in b/bin/tests/system/rndc/ns7/named.conf.in
new file mode 100644
index 0000000..2d4bf7f
--- /dev/null
+++ b/bin/tests/system/rndc/ns7/named.conf.in
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+key int {
+	algorithm @DEFAULT_HMAC@;
+	secret "FrSt77yPTFx6hTs4i2tKLB9LmE0=";
+};
+
+key ext {
+	algorithm @DEFAULT_HMAC@;
+	secret "FrSt77yPTFx6hTs4i2tKLB9LmE0=";
+};
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view internal {
+	match-clients { key "int"; };
+
+	zone "test" {
+		type primary;
+		update-policy { grant int zonesub any; };
+		file "test.db";
+		ixfr-from-differences yes;
+	};
+};
+
+view external {
+	match-clients { key "ext"; };
+
+	zone "test" {
+		in-view internal;
+	};
+};
diff --git a/bin/tests/system/rndc/ns7/test.db.in b/bin/tests/system/rndc/ns7/test.db.in
new file mode 100644
index 0000000..0bff14e
--- /dev/null
+++ b/bin/tests/system/rndc/ns7/test.db.in
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+$INCLUDE "include.db"
diff --git a/bin/tests/system/rndc/setup.sh b/bin/tests/system/rndc/setup.sh
new file mode 100644
index 0000000..85d6b73
--- /dev/null
+++ b/bin/tests/system/rndc/setup.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 2 >ns2/nil.db
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 2 >ns2/other.db
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 2 >ns2/static.db
+
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 2 >ns4/example.db
+
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 2 >ns6/huge.zone.db
+
+cp ns7/test.db.in ns7/test.db
+cp ns7/include.db.in ns7/include.db
+
+# we make the huge zone less huge if we're running under
+# TSAN, to give the test a fighting chance not to time out.
+size=1000000
+if $FEATURETEST --tsan; then
+    size=250000
+fi
+awk 'END { for (i = 1; i <= '${size}'; i++)
+     printf "host%d IN A 10.53.0.6\n", i; }' < /dev/null >> ns6/huge.zone.db
+
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+
+make_key () {
+    $RNDCCONFGEN -k key$1 -A $3 -s 10.53.0.4 -p $2 \
+            > ns4/key${1}.conf 2> /dev/null
+    grep -E -v '(^# Start|^# End|^# Use|^[^#])' ns4/key$1.conf | cut -c3- | \
+            sed 's/allow { 10.53.0.4/allow { any/' >> ns4/named.conf
+}
+
+$FEATURETEST --md5 && make_key 1 ${EXTRAPORT1} hmac-md5
+make_key 2 ${EXTRAPORT2} hmac-sha1
+make_key 3 ${EXTRAPORT3} hmac-sha224
+make_key 4 ${EXTRAPORT4} hmac-sha256
+make_key 5 ${EXTRAPORT5} hmac-sha384
+make_key 6 ${EXTRAPORT6} hmac-sha512
+
+cat >> ns4/named.conf <<- EOF
+
+controls {
+	inet 10.53.0.4 port ${EXTRAPORT7}
+		allow { any; } keys { "key1"; "key2"; "key3";
+                                      "key4"; "key5"; "key6"; };
+};
+EOF
diff --git a/bin/tests/system/rndc/tests.sh b/bin/tests/system/rndc/tests.sh
new file mode 100644
index 0000000..2afaf8c
--- /dev/null
+++ b/bin/tests/system/rndc/tests.sh
@@ -0,0 +1,814 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +noadd +nosea +nostat +noquest +nocomm +nocmd"
+DIGOPTS=""
+DIGCMD="$DIG $DIGOPTS -p ${PORT}"
+RNDCCMD="$RNDC -p ${CONTROLPORT} -c ../common/rndc.conf -s"
+
+status=0
+n=0
+
+n=$((n+1))
+echo_i "preparing ($n)"
+ret=0
+$NSUPDATE -p ${PORT} -k ns2/session.key > /dev/null 2>&1 <<END || ret=1
+server 10.53.0.2
+zone nil.
+update add text1.nil. 600 IN TXT "addition 1"
+send
+zone other.
+update add text1.other. 600 IN TXT "addition 1"
+send
+END
+[ -s ns2/nil.db.jnl ] || {
+	echo_i "'test -s ns2/nil.db.jnl' failed when it shouldn't have"; ret=1;
+}
+[ -s ns2/other.db.jnl ] || {
+	echo_i "'test -s ns2/other.db.jnl' failed when it shouldn't have"; ret=1;
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "rndc freeze"
+$RNDCCMD 10.53.0.2 freeze | sed 's/^/ns2 /' | cat_i
+
+n=$((n+1))
+echo_i "checking zone was dumped ($n)"
+ret=0
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	grep "addition 1" ns2/nil.db > /dev/null && break
+	sleep 1
+done
+grep "addition 1" ns2/nil.db > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking journal file is still present ($n)"
+ret=0
+[ -s ns2/nil.db.jnl ] || {
+	echo_i "'test -s ns2/nil.db.jnl' failed when it shouldn't have"; ret=1;
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking zone not writable ($n)"
+ret=0
+$NSUPDATE -p ${PORT} -k ns2/session.key > /dev/null 2>&1 <<END && ret=1
+server 10.53.0.2
+zone nil.
+update add text2.nil. 600 IN TXT "addition 2"
+send
+END
+
+$DIGCMD @10.53.0.2 text2.nil. TXT > dig.out.1.test$n || ret=1
+grep 'addition 2' dig.out.1.test$n >/dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "rndc thaw"
+$RNDCCMD 10.53.0.2 thaw | sed 's/^/ns2 /' | cat_i
+
+n=$((n+1))
+echo_i "checking zone now writable ($n)"
+ret=0
+$NSUPDATE -p ${PORT} -k ns2/session.key > nsupdate.out.1.test$n 2>&1 <<END || ret=1
+server 10.53.0.2
+zone nil.
+update add text3.nil. 600 IN TXT "addition 3"
+send
+END
+$DIGCMD @10.53.0.2 text3.nil. TXT > dig.out.1.test$n || ret=1
+grep 'addition 3' dig.out.1.test$n >/dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "rndc sync"
+ret=0
+$RNDCCMD 10.53.0.2 sync nil | sed 's/^/ns2 /' | cat_i
+
+n=$((n+1))
+echo_i "checking zone was dumped ($n)"
+ret=0
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	grep "addition 3" ns2/nil.db > /dev/null && break
+	sleep 1
+done
+grep "addition 3" ns2/nil.db > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking journal file is still present ($n)"
+ret=0
+[ -s ns2/nil.db.jnl ] || {
+	echo_i "'test -s ns2/nil.db.jnl' failed when it shouldn't have"; ret=1;
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking zone is still writable ($n)"
+ret=0
+$NSUPDATE -p ${PORT} -k ns2/session.key > nsupdate.out.1.test$n 2>&1 <<END || ret=1
+server 10.53.0.2
+zone nil.
+update add text4.nil. 600 IN TXT "addition 4"
+send
+END
+
+$DIGCMD @10.53.0.2 text4.nil. TXT > dig.out.1.test$n || ret=1
+grep 'addition 4' dig.out.1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "rndc sync -clean"
+ret=0
+$RNDCCMD 10.53.0.2 sync -clean nil | sed 's/^/ns2 /' | cat_i
+
+n=$((n+1))
+echo_i "checking zone was dumped ($n)"
+ret=0
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	grep "addition 4" ns2/nil.db > /dev/null && break
+	sleep 1
+done
+grep "addition 4" ns2/nil.db > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking journal file is deleted ($n)"
+ret=0
+[ -s ns2/nil.db.jnl ] && {
+	echo_i "'test -s ns2/nil.db.jnl' failed when it shouldn't have"; ret=1;
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking zone is still writable ($n)"
+ret=0
+$NSUPDATE -p ${PORT} -k ns2/session.key > /dev/null 2>&1 <<END || ret=1
+server 10.53.0.2
+zone nil.
+update add text5.nil. 600 IN TXT "addition 5"
+send
+END
+
+$DIGCMD @10.53.0.2 text4.nil. TXT > dig.out.1.test$n || ret=1
+grep 'addition 4' dig.out.1.test$n >/dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking other journal files not removed ($n)"
+ret=0
+[ -s ns2/other.db.jnl ] || {
+	echo_i "'test -s ns2/other.db.jnl' failed when it shouldn't have"; ret=1;
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "cleaning all zones ($n)"
+$RNDCCMD 10.53.0.2 sync -clean | sed 's/^/ns2 /' | cat_i
+
+n=$((n+1))
+echo_i "checking all journals removed ($n)"
+ret=0
+[ -s ns2/nil.db.jnl ] && {
+	echo_i "'test -s ns2/nil.db.jnl' succeeded when it shouldn't have"; ret=1;
+}
+[ -s ns2/other.db.jnl ] && {
+	echo_i "'test -s ns2/other.db.jnl' succeeded when it shouldn't have"; ret=1;
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that freezing static zones is not allowed ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 freeze static > rndc.out.1.test$n 2>&1 && ret=1
+grep 'not dynamic' rndc.out.1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that journal is removed when serial is changed before thaw ($n)"
+ret=0
+sleep 1
+$NSUPDATE -p ${PORT} -k ns2/session.key > nsupdate.out.1.test$n 2>&1 <<END || ret=1
+server 10.53.0.2
+zone other.
+update add text6.other. 600 IN TXT "addition 6"
+send
+END
+[ -s ns2/other.db.jnl ] || {
+	echo_i "'test -s ns2/other.db.jnl' failed when it shouldn't have"; ret=1;
+}
+$RNDCCMD 10.53.0.2 freeze other 2>&1 | sed 's/^/ns2 /' | cat_i
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	grep "addition 6" ns2/other.db > /dev/null && break
+	sleep 1
+done
+serial=$(awk '$3 ~ /serial/ {print $1}' ns2/other.db)
+newserial=$((serial + 1))
+sed s/$serial/$newserial/ ns2/other.db > ns2/other.db.new
+echo 'frozen TXT "frozen addition"' >> ns2/other.db.new
+mv -f ns2/other.db.new ns2/other.db
+$RNDCCMD 10.53.0.2 thaw 2>&1 | sed 's/^/ns2 /' | cat_i
+sleep 1
+[ -f ns2/other.db.jnl ] && {
+	echo_i "'test -f ns2/other.db.jnl' succeeded when it shouldn't have"; ret=1;
+}
+$NSUPDATE -p ${PORT} -k ns2/session.key > nsupdate.out.2.test$n 2>&1 <<END || ret=1
+server 10.53.0.2
+zone other.
+update add text7.other. 600 IN TXT "addition 7"
+send
+END
+$DIGCMD @10.53.0.2 text6.other. TXT > dig.out.1.test$n || ret=1
+grep 'addition 6' dig.out.1.test$n >/dev/null || ret=1
+$DIGCMD @10.53.0.2 text7.other. TXT > dig.out.2.test$n || ret=1
+grep 'addition 7' dig.out.2.test$n >/dev/null || ret=1
+$DIGCMD @10.53.0.2 frozen.other. TXT > dig.out.3.test$n || ret=1
+grep 'frozen addition' dig.out.3.test$n >/dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that journal is kept when ixfr-from-differences is in use ($n)"
+ret=0
+$NSUPDATE -p ${PORT} -k ns2/session.key > nsupdate.out.1.test$n 2>&1 <<END || ret=1
+server 10.53.0.2
+zone nil.
+update add text6.nil. 600 IN TXT "addition 6"
+send
+END
+[ -s ns2/nil.db.jnl ] || {
+	echo_i "'test -s ns2/nil.db.jnl' failed when it shouldn't have"; ret=1;
+}
+$RNDCCMD 10.53.0.2 freeze nil 2>&1 | sed 's/^/ns2 /' | cat_i
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	grep "addition 6" ns2/nil.db > /dev/null && break
+	sleep 1
+done
+serial=$(awk '$3 ~ /serial/ {print $1}' ns2/nil.db)
+newserial=$((serial + 1))
+sed s/$serial/$newserial/ ns2/nil.db > ns2/nil.db.new
+echo 'frozen TXT "frozen addition"' >> ns2/nil.db.new
+mv -f ns2/nil.db.new ns2/nil.db
+$RNDCCMD 10.53.0.2 thaw 2>&1 | sed 's/^/ns2 /' | cat_i
+sleep 1
+[ -s ns2/nil.db.jnl ] || {
+	echo_i "'test -s ns2/nil.db.jnl' failed when it shouldn't have"; ret=1;
+}
+$NSUPDATE -p ${PORT} -k ns2/session.key > nsupdate.out.2.test$n 2>&1 <<END || ret=1
+server 10.53.0.2
+zone nil.
+update add text7.nil. 600 IN TXT "addition 7"
+send
+END
+$DIGCMD @10.53.0.2 text6.nil. TXT > dig.out.1.test$n || ret=1
+grep 'addition 6' dig.out.1.test$n > /dev/null || ret=1
+$DIGCMD @10.53.0.2 text7.nil. TXT > dig.out.2.test$n || ret=1
+grep 'addition 7' dig.out.2.test$n > /dev/null || ret=1
+$DIGCMD @10.53.0.2 frozen.nil. TXT > dig.out.3.test$n || ret=1
+grep 'frozen addition' dig.out.3.test$n >/dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# temp test
+echo_i "dumping stats ($n)"
+$RNDCCMD 10.53.0.2 stats
+n=$((n+1))
+echo_i "verifying adb records in named.stats ($n)"
+grep "ADB stats" ns2/named.stats > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "test using second key ($n)"
+ret=0
+$RNDC -s 10.53.0.2 -p ${CONTROLPORT} -c ns2/secondkey.conf status > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "test 'rndc dumpdb' on a empty cache ($n)"
+ret=0
+rndc_dumpdb ns3 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "test 'rndc reload' on a zone with include files ($n)"
+ret=0
+grep "incl/IN: skipping load" ns2/named.run > /dev/null && ret=1
+loads=$(grep "incl/IN: starting load" ns2/named.run | wc -l)
+[ "$loads" -eq 1 ] || ret=1
+$RNDCCMD 10.53.0.2 reload > /dev/null || ret=1
+for i in 1 2 3 4 5 6 7 8 9
+do
+    tmp=0
+    grep "incl/IN: skipping load" ns2/named.run > /dev/null || tmp=1
+    [ $tmp -eq 0 ] && break
+    sleep 1
+done
+[ $tmp -eq 1 ] && ret=1
+touch ns2/static.db
+$RNDCCMD 10.53.0.2 reload > /dev/null || ret=1
+for i in 1 2 3 4 5 6 7 8 9
+do
+    tmp=0
+    loads=$(grep "incl/IN: starting load" ns2/named.run | wc -l)
+    [ "$loads" -eq 2 ] || tmp=1
+    [ $tmp -eq 0 ] && break
+    sleep 1
+done
+[ $tmp -eq 1 ] && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+if $FEATURETEST --md5; then
+	echo_i "testing rndc with hmac-md5 ($n)"
+	ret=0
+	$RNDC -s 10.53.0.4 -p ${EXTRAPORT1} -c ns4/key1.conf status > /dev/null 2>&1 || ret=1
+	for i in 2 3 4 5 6
+	do
+	        $RNDC -s 10.53.0.4 -p ${EXTRAPORT1} -c ns4/key${i}.conf status > /dev/null 2>&1 && ret=1
+	done
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+else
+	echo_i "skipping rndc with hmac-md5 ($n)"
+fi
+
+n=$((n+1))
+echo_i "testing rndc with hmac-sha1 ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT2} -c ns4/key2.conf status > /dev/null 2>&1 || ret=1
+for i in 1 3 4 5 6
+do
+        $RNDC -s 10.53.0.4 -p ${EXTRAPORT2} -c ns4/key${i}.conf status > /dev/null 2>&1 && ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing rndc with hmac-sha224 ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT3} -c ns4/key3.conf status > /dev/null 2>&1 || ret=1
+for i in 1 2 4 5 6
+do
+        $RNDC -s 10.53.0.4 -p ${EXTRAPORT3} -c ns4/key${i}.conf status > /dev/null 2>&1 && ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing rndc with hmac-sha256 ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT4} -c ns4/key4.conf status > /dev/null 2>&1 || ret=1
+for i in 1 2 3 5 6
+do
+        $RNDC -s 10.53.0.4 -p ${EXTRAPORT4} -c ns4/key${i}.conf status > /dev/null 2>&1 && ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing rndc with hmac-sha384 ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT5} -c ns4/key5.conf status > /dev/null 2>&1 || ret=1
+for i in 1 2 3 4 6
+do
+        $RNDC -s 10.53.0.4 -p ${EXTRAPORT5} -c ns4/key${i}.conf status > /dev/null 2>&1 && ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing rndc with hmac-sha512 ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf status > /dev/null 2>&1 || ret=1
+for i in 1 2 3 4 5
+do
+        $RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key${i}.conf status > /dev/null 2>&1 2>&1 && ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing single control channel with multiple algorithms ($n)"
+ret=0
+for i in 1 2 3 4 5 6
+do
+        $RNDC -s 10.53.0.4 -p ${EXTRAPORT7} -c ns4/key${i}.conf status > /dev/null 2>&1 || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing automatic zones are reported ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf status > rndc.out.1.test$n || ret=1
+grep "number of zones: 201 (198 automatic)" rndc.out.1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing rndc with null command ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing rndc with unknown control channel command ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf obviouslynotacommand >/dev/null 2>&1 && ret=1
+# rndc: 'obviouslynotacommand' failed: unknown command
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing rndc with querylog command ($n)"
+ret=0
+# first enable it with querylog on option
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf querylog on >/dev/null 2>&1 || ret=1
+grep "query logging is now on" ns4/named.run > /dev/null || ret=1
+# query for builtin and check if query was logged (without +subnet)
+$DIG @10.53.0.4 -p ${PORT} -c ch -t txt foo12345.bind +qr > dig.out.1.test$n 2>&1 || ret=1
+grep "query: foo12345.bind CH TXT.*(.*)$" ns4/named.run > /dev/null || ret=1
+# query for another builtin zone and check if query was logged (with +subnet=127.0.0.1)
+$DIG +subnet=127.0.0.1 @10.53.0.4 -p ${PORT} -c ch -t txt foo12346.bind +qr > dig.out.2.test$n 2>&1 || ret=1
+grep "query: foo12346.bind CH TXT.*\[ECS 127\.0\.0\.1/32/0]" ns4/named.run > /dev/null || ret=1
+# query for another builtin zone and check if query was logged (with +subnet=127.0.0.1/24)
+$DIG +subnet=127.0.0.1/24 @10.53.0.4 -p ${PORT} -c ch -t txt foo12347.bind +qr > dig.out.3.test$n 2>&1 || ret=1
+grep "query: foo12347.bind CH TXT.*\[ECS 127\.0\.0\.0/24/0]" ns4/named.run > /dev/null || ret=1
+# query for another builtin zone and check if query was logged (with +subnet=::1)
+$DIG +subnet=::1 @10.53.0.4 -p ${PORT} -c ch -t txt foo12348.bind +qr > dig.out.4.test$n 2>&1 || ret=1
+grep "query: foo12348.bind CH TXT.*\[ECS ::1/128/0]" ns4/named.run > /dev/null || ret=1
+# toggle query logging and check again
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf querylog > /dev/null 2>&1 || ret=1
+grep "query logging is now off" ns4/named.run > /dev/null || ret=1
+# query for another builtin zone and check if query was logged (without +subnet)
+$DIG @10.53.0.4 -p ${PORT} -c ch -t txt foo9876.bind +qr > dig.out.5.test$n 2>&1 || ret=1
+grep "query: foo9876.bind CH TXT.*(.*)$" ns4/named.run > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+RNDCCMD4="$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf"
+n=$((n+1))
+echo_i "testing rndc nta time limits ($n)"
+ret=0
+$RNDCCMD4 nta -l 2h nta1.example > rndc.out.1.test$n 2>&1
+grep "Negative trust anchor added" rndc.out.1.test$n > /dev/null || ret=1
+$RNDCCMD4 nta -l 1d nta2.example > rndc.out.2.test$n 2>&1
+grep "Negative trust anchor added" rndc.out.2.test$n > /dev/null || ret=1
+$RNDCCMD4 nta -l 1w nta3.example > rndc.out.3.test$n 2>&1
+grep "Negative trust anchor added" rndc.out.3.test$n > /dev/null || ret=1
+$RNDCCMD4 nta -l 8d nta4.example > rndc.out.4.test$n 2>&1 && ret=1
+grep "NTA lifetime cannot exceed one week" rndc.out.4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing rndc nta -class option ($n)"
+ret=0
+nextpart ns4/named.run > /dev/null
+$RNDCCMD4 nta -c in nta1.example > rndc.out.1.test$n 2>&1
+nextpart ns4/named.run | grep "added NTA 'nta1.example'" > /dev/null || ret=1
+$RNDCCMD4 nta -c any nta1.example > rndc.out.2.test$n 2>&1
+nextpart ns4/named.run | grep "added NTA 'nta1.example'" > /dev/null || ret=1
+$RNDCCMD4 nta -c ch nta1.example > rndc.out.3.test$n 2>&1
+nextpart ns4/named.run | grep "added NTA 'nta1.example'" > /dev/null && ret=1
+$RNDCCMD4 nta -c fake nta1.example > rndc.out.4.test$n 2>&1 && ret=1
+nextpart ns4/named.run | grep "added NTA 'nta1.example'" > /dev/null && ret=1
+grep 'unknown class' rndc.out.4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+for i in 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288
+do
+        n=$((n+1))
+	echo_i "testing rndc buffer size limits (size=${i}) ($n)"
+	ret=0
+	$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf testgen ${i} 2>&1 > rndc.out.$i.test$n || ret=1
+	{ actual_size=$($GENCHECK rndc.out.$i.test$n); rc=$?; } || true
+	if [ "$rc" = "0" ]; then
+            expected_size=$((i+1))
+	    if [ $actual_size != $expected_size ]; then ret=1; fi
+	else
+	    ret=1
+	fi
+
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+        status=$((status+ret))
+done
+
+n=$((n+1))
+echo_i "testing rndc -r (show result) ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf -r testgen 0 2>&1 > rndc.out.1.test$n || ret=1
+grep "ISC_R_SUCCESS 0" rndc.out.1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "testing rndc with a token containing a space ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf -r flush '"view with a space"' 2>&1 > rndc.out.1.test$n || ret=1
+grep "not found" rndc.out.1.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "test 'rndc reconfig' with a broken config ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf reconfig > /dev/null || ret=1
+sleep 1
+mv ns4/named.conf ns4/named.conf.save
+echo "error error error" >> ns4/named.conf
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf reconfig > rndc.out.1.test$n 2>&1 && ret=1
+grep "rndc: 'reconfig' failed: unexpected token" rndc.out.1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check rndc status reports failure ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf status > rndc.out.1.test$n 2>&1 || ret=1
+grep "reload/reconfig failed" rndc.out.1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "restore working config ($n)"
+ret=0
+mv ns4/named.conf.save ns4/named.conf
+sleep 1
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf reconfig > /dev/null || ret=1
+sleep 1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc status' 'reload/reconfig failure' is cleared after successful reload/reconfig ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf status > rndc.out.1.test$n 2>&1 || ret=1
+grep "reload/reconfig failed" rndc.out.1.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "test read-only control channel access ($n)"
+ret=0
+$RNDCCMD 10.53.0.5 status > rndc.out.1.test$n 2>&1 || ret=1
+$RNDCCMD 10.53.0.5 nta -dump > rndc.out.2.test$n 2>&1 || ret=1
+$RNDCCMD 10.53.0.5 reconfig > rndc.out.3.test$n 2>&1 && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "test rndc status shows running on ($n)"
+ret=0
+$RNDCCMD 10.53.0.5 status > rndc.out.1.test$n 2>&1 || ret=1
+grep "^running on " rndc.out.1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "test 'rndc reconfig' with loading of a large zone ($n)"
+ret=0
+nextpart ns6/named.run > /dev/null
+cp ns6/named.conf ns6/named.conf.save
+echo "zone \"huge.zone\" { type primary; file \"huge.zone.db\"; };" >> ns6/named.conf
+echo_i "reloading config"
+$RNDCCMD 10.53.0.6 reconfig > rndc.out.1.test$n 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+sleep 1
+
+n=$((n+1))
+echo_i "check if zone load was scheduled ($n)"
+wait_for_log_peek 20 "scheduled loading new zones" ns6/named.run || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check if query for the zone returns SERVFAIL ($n)"
+$DIG @10.53.0.6 -p ${PORT} -t soa huge.zone > dig.out.1.test$n
+grep "SERVFAIL" dig.out.1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed (ignored)"; ret=0; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "wait for the zones to be loaded ($n)"
+wait_for_log_peek 60 "huge.zone/IN: loaded serial" ns6/named.run || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check if query for the zone returns NOERROR ($n)"
+$DIG @10.53.0.6 -p ${PORT} -t soa huge.zone > dig.out.1.test$n
+grep "NOERROR" dig.out.1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verify that the full command is logged ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 null with extra arguments > /dev/null 2>&1
+grep "received control channel command 'null with extra arguments'" ns2/named.run > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+mv ns6/named.conf.save ns6/named.conf
+sleep 1
+$RNDCCMD 10.53.0.6 reconfig > /dev/null || ret=1
+sleep 1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc \"\"' is handled ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 "" > rndc.out.1.test$n 2>&1 && ret=1
+grep "rndc: '' failed: failure" rndc.out.1.test$n > /dev/null
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check rndc -4 -6 ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 -4 -6 status > rndc.out.1.test$n 2>&1 && ret=1
+grep "only one of -4 and -6 allowed" rndc.out.1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check rndc -4 with an IPv6 server address ($n)"
+ret=0
+$RNDCCMD fd92:7065:b8e:ffff::2 -4 status > rndc.out.1.test$n 2>&1 && ret=1
+grep "address family not supported" rndc.out.1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check rndc nta reports adding to multiple views ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 nta test.com > rndc.out.test$n 2>&1 || ret=1
+lines=$(cat rndc.out.test$n | wc -l)
+[ ${lines:-0} -eq 2 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc retransfer' of primary error message ($n)"
+ret=0
+$RNDCCMD 10.53.0.2 retransfer nil > rndc.out.test$n 2>&1 && ret=1
+grep "rndc: 'retransfer' failed: failure" rndc.out.test$n > /dev/null || ret=1
+grep "retransfer: inappropriate zone type: primary" rndc.out.test$n > /dev/null || ret=1
+lines=$(cat rndc.out.test$n | wc -l)
+[ ${lines:-0} -eq 2 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc freeze' with in-view zones works ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf freeze > rndc.out.test$n 2>&1 || ret=1
+test -s rndc.out.test$n && sed 's/^/ns2 /' rndc.out.test$n | cat_i
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking non in-view zone instance is not writable ($n)"
+ret=0
+$NSUPDATE -p ${PORT} > /dev/null 2>&1 <<END && ret=1
+server 10.53.0.4
+zone example.
+update add text2.example. 600 IN TXT "addition 3"
+send
+END
+$DIGCMD @10.53.0.4 -p ${PORT} text2.example. TXT > dig.out.1.test$n || ret=1
+grep 'addition 3' dig.out.1.test$n >/dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc thaw' with in-view zones works ($n)"
+ret=0
+$RNDC -s 10.53.0.4 -p ${EXTRAPORT6} -c ns4/key6.conf thaw > rndc.out.test$n 2>&1 || ret=1
+test -s rndc.out.test$n && sed 's/^/ns2 /' rndc.out.test$n | cat_i
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking non in-view zone instance is now writable ($n)"
+ret=0
+$NSUPDATE -p ${PORT} > nsupdate.out.test$n 2>&1 <<END || ret=1
+server 10.53.0.4
+zone example.
+update add text2.example. 600 IN TXT "addition 3"
+send
+END
+$DIGCMD @10.53.0.4 -p ${PORT} text2.example. TXT > dig.out.1.test$n || ret=1
+grep 'addition 3' dig.out.1.test$n >/dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking initial in-view zone file is loaded ($n)"
+ret=0
+TSIG="$DEFAULT_HMAC:int:FrSt77yPTFx6hTs4i2tKLB9LmE0="
+$DIGCMD @10.53.0.7 -y "$TSIG" text1.test. TXT > dig.out.1.test$n || ret=1
+grep 'include 1' dig.out.1.test$n >/dev/null || ret=1
+TSIG="$DEFAULT_HMAC:ext:FrSt77yPTFx6hTs4i2tKLB9LmE0="
+$DIGCMD @10.53.0.7 -y "$TSIG" text1.test. TXT > dig.out.2.test$n || ret=1
+grep 'include 1' dig.out.2.test$n >/dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "update in-view zone ($n)"
+ret=0
+TSIG="$DEFAULT_HMAC:int:FrSt77yPTFx6hTs4i2tKLB9LmE0="
+$NSUPDATE -p ${PORT} -y "$TSIG" > /dev/null 2>&1 <<END || ret=1
+server 10.53.0.7
+zone test.
+update add text2.test. 600 IN TXT "addition 1"
+send
+END
+[ -s ns7/test.db.jnl ] || {
+	echo_i "'test -s ns7/test.db.jnl' failed when it shouldn't have"; ret=1;
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking update ($n)"
+ret=0
+TSIG="$DEFAULT_HMAC:int:FrSt77yPTFx6hTs4i2tKLB9LmE0="
+$DIGCMD @10.53.0.7 -y "$TSIG" text2.test. TXT > dig.out.1.test$n || ret=1
+grep 'addition 1' dig.out.1.test$n >/dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+nextpart ns7/named.run > /dev/null
+
+echo_i "rndc freeze"
+$RNDCCMD 10.53.0.7 freeze | sed 's/^/ns7 /' | cat_i | cat_i
+
+wait_for_log 3 "dump_done: zone test/IN/internal: enter" ns7/named.run
+
+echo_i "edit zone files"
+cp ns7/test.db.in ns7/test.db
+cp ns7/include2.db.in ns7/include.db
+
+echo_i "rndc thaw"
+$RNDCCMD 10.53.0.7 thaw | sed 's/^/ns7 /' | cat_i
+
+wait_for_log 3 "zone_postload: zone test/IN/internal: done" ns7/named.run
+
+echo_i "rndc reload"
+$RNDCCMD 10.53.0.7 reload | sed 's/^/ns7 /' | cat_i
+
+wait_for_log 3 "all zones loaded" ns7/named.run
+
+n=$((n+1))
+echo_i "checking zone file edits are loaded ($n)"
+ret=0
+TSIG="$DEFAULT_HMAC:int:FrSt77yPTFx6hTs4i2tKLB9LmE0="
+$DIGCMD @10.53.0.7 -y "$TSIG" text1.test. TXT > dig.out.1.test$n || ret=1
+grep 'include 2' dig.out.1.test$n >/dev/null || ret=1
+TSIG="$DEFAULT_HMAC:ext:FrSt77yPTFx6hTs4i2tKLB9LmE0="
+$DIGCMD @10.53.0.7 -y "$TSIG" text1.test. TXT > dig.out.2.test$n || ret=1
+grep 'include 2' dig.out.2.test$n >/dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/rndc/tests_sh_rndc.py b/bin/tests/system/rndc/tests_sh_rndc.py
new file mode 100644
index 0000000..ac6a4dc
--- /dev/null
+++ b/bin/tests/system/rndc/tests_sh_rndc.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_rndc(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/rootkeysentinel/clean.sh b/bin/tests/system/rootkeysentinel/clean.sh
new file mode 100644
index 0000000..e9cd3cc
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/clean.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out.ns?.test*
+rm -f */dsset-*
+rm -f */named.conf
+rm -f */named.memstats
+rm -f */named.run
+rm -f */trusted.conf
+rm -f ns1/K.*
+rm -f ns1/root.db
+rm -f ns1/root.db.signed
+rm -f ns2/Kexample.*
+rm -f ns2/example.db
+rm -f ns2/example.db.signed
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/rootkeysentinel/ns1/named.conf.in b/bin/tests/system/rootkeysentinel/ns1/named.conf.in
new file mode 100644
index 0000000..930f3bc
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/ns1/named.conf.in
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/rootkeysentinel/ns1/root.db.in b/bin/tests/system/rootkeysentinel/ns1/root.db.in
new file mode 100644
index 0000000..cc97041
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/ns1/root.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	marka.isc.org. a.root.servers.nil. (
+				2018031400   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/rootkeysentinel/ns1/sign.sh b/bin/tests/system/rootkeysentinel/ns1/sign.sh
new file mode 100644
index 0000000..0f20053
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/ns1/sign.sh
@@ -0,0 +1,35 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyid=$(expr ${keyname} : 'K.+[0-9][0-9][0-9]+\(.*\)')
+
+(cd ../ns2 && $SHELL sign.sh ${keyid:-00000} )
+
+cp ../ns2/dsset-example. .
+
+cat $infile $keyname.key > $zonefile
+
+$SIGNER -P -g -o $zone $zonefile > /dev/null
+
+# Configure the resolving server with a static key.
+keyfile_to_static_ds $keyname > trusted.conf
+cp trusted.conf ../ns2/trusted.conf
+cp trusted.conf ../ns3/trusted.conf
+cp trusted.conf ../ns4/trusted.conf
diff --git a/bin/tests/system/rootkeysentinel/ns2/example.db.in b/bin/tests/system/rootkeysentinel/ns2/example.db.in
new file mode 100644
index 0000000..92ca3bf
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/ns2/example.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2018031400 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+ns2			A	10.53.0.2
diff --git a/bin/tests/system/rootkeysentinel/ns2/named.conf.in b/bin/tests/system/rootkeysentinel/ns2/named.conf.in
new file mode 100644
index 0000000..25e4e50
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/ns2/named.conf.in
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "example" {
+	type primary;
+	file "example.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/rootkeysentinel/ns2/sign.sh b/bin/tests/system/rootkeysentinel/ns2/sign.sh
new file mode 100644
index 0000000..3e48f8a
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/ns2/sign.sh
@@ -0,0 +1,40 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+oldid=$(echo ${1:-0} | sed 's/^0*//')
+newid=$(printf '%05u' $(((oldid + 1000) % 65536)))
+badid=$(printf '%05u' $(((oldid + 7777) % 65536)))
+oldid=$(printf '%05u' $((oldid + 0)))
+
+. ../../conf.sh
+
+zone=example.
+infile=example.db.in
+zonefile=example.db
+
+keyname1=$($KEYGEN -q -a $DEFAULT_ALGORITHM -b $DEFAULT_BITS -n zone $zone)
+keyname2=$($KEYGEN -q -a $DEFAULT_ALGORITHM -b $DEFAULT_BITS -n zone $zone)
+
+cat $infile $keyname1.key $keyname2.key >$zonefile
+echo root-key-sentinel-is-ta-$oldid A 10.53.0.1 >> $zonefile
+echo root-key-sentinel-not-ta-$oldid A 10.53.0.2 >> $zonefile
+echo root-key-sentinel-is-ta-$newid A 10.53.0.3 >> $zonefile
+echo root-key-sentinel-not-ta-$newid A 10.53.0.4 >> $zonefile
+echo old-is-ta CNAME root-key-sentinel-is-ta-$oldid >> $zonefile
+echo old-not-ta CNAME root-key-sentinel-not-ta-$oldid >> $zonefile
+echo new-is-ta CNAME root-key-sentinel-is-ta-$newid >> $zonefile
+echo new-not-ta CNAME root-key-sentinel-not-ta-$newid >> $zonefile
+echo bad-is-ta CNAME root-key-sentinel-is-ta-$badid >> $zonefile
+echo bad-not-ta CNAME root-key-sentinel-not-ta-$badid >> $zonefile
+
+$SIGNER -P -g -o $zone -k $keyname1 $zonefile $keyname2 > /dev/null
diff --git a/bin/tests/system/rootkeysentinel/ns3/hint.db b/bin/tests/system/rootkeysentinel/ns3/hint.db
new file mode 100644
index 0000000..0018b52
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/ns3/hint.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.                       NS      a.root-servers.nil.
+a.root-servers.nil.     A       10.53.0.1
diff --git a/bin/tests/system/rootkeysentinel/ns3/named.conf.in b/bin/tests/system/rootkeysentinel/ns3/named.conf.in
new file mode 100644
index 0000000..c9682c9
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/ns3/named.conf.in
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation yes;
+	root-key-sentinel yes;
+};
+
+zone "." {
+	type hint;
+	file "hint.db";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/rootkeysentinel/ns4/hint.db b/bin/tests/system/rootkeysentinel/ns4/hint.db
new file mode 100644
index 0000000..0018b52
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/ns4/hint.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.                       NS      a.root-servers.nil.
+a.root-servers.nil.     A       10.53.0.1
diff --git a/bin/tests/system/rootkeysentinel/ns4/named.conf.in b/bin/tests/system/rootkeysentinel/ns4/named.conf.in
new file mode 100644
index 0000000..6f60ffd
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/ns4/named.conf.in
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation yes;
+	root-key-sentinel no;
+};
+
+zone "." {
+	type hint;
+	file "hint.db";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/rootkeysentinel/setup.sh b/bin/tests/system/rootkeysentinel/setup.sh
new file mode 100644
index 0000000..39e1edf
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/setup.sh
@@ -0,0 +1,22 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+
+cd ns1
+$SHELL sign.sh
diff --git a/bin/tests/system/rootkeysentinel/tests.sh b/bin/tests/system/rootkeysentinel/tests.sh
new file mode 100644
index 0000000..bfe653c
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/tests.sh
@@ -0,0 +1,295 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+rm -f dig.out.*
+
+DIGOPTS="+tcp +noadd +nosea +nostat +nocmd +dnssec -p ${PORT}"
+
+newtest() {
+	n=$((n + 1))
+	case $# in
+	1)
+		echo_i "$1 ($n)"
+		;;
+	2)
+		echo_i "$1"
+		echo_ic "$2 ($n)"
+		;;
+	esac
+	ret=0
+}
+
+newtest "get test ids"
+$DIG $DIGOPTS . dnskey +short +rrcomm @10.53.0.1 > dig.out.ns1.test$n || ret=1
+oldid=$(sed -n 's/.*key id = //p' < dig.out.ns1.test$n)
+newid=$(printf "%05u" $(((oldid + 1000) % 65536)))
+badid=$(printf "%05u" $(((oldid + 7777) % 65536)))
+oldid=$(printf "%05u" $((oldid + 0)))
+echo_i "test id: oldid=${oldid} (configured)"
+echo_i "test id: newid=${newid} (not configured)"
+echo_i "test id: badid=${badid}"
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check authoritative server (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.2 example SOA > dig.out.ns2.test$n
+grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check test zone resolves with 'root-key-sentinel yes;'" " (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.3 example SOA > dig.out.ns3.test$n
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with old ta and" " 'root-key-sentinel yes;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.3 root-key-sentinel-is-ta-${oldid}.example A > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-not-ta with old ta and" " 'root-key-sentinel yes;' (expect SERVFAIL)"
+$DIG $DIGOPTS @10.53.0.3 root-key-sentinel-not-ta-${oldid}.example A > dig.out.ns3.test$n || ret=1
+grep "status: SERVFAIL" dig.out.ns3.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-not-ta with old ta, CD=1 and" " 'root-key-sentinel yes;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.3 +cd root-key-sentinel-not-ta-${oldid}.example A > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with new ta and" " 'root-key-sentinel yes;' (expect SERVFAIL)"
+$DIG $DIGOPTS @10.53.0.3 root-key-sentinel-is-ta-${newid}.example A > dig.out.ns3.test$n || ret=1
+grep "status: SERVFAIL" dig.out.ns3.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with new ta, CD=1 and" " 'root-key-sentinel yes;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.3 +cd root-key-sentinel-is-ta-${newid}.example A > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-not-ta with new ta and" " 'root-key-sentinel yes;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.3 root-key-sentinel-not-ta-${newid}.example A > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with bad ta and" " 'root-key-sentinel yes;' (expect SERVFAIL)"
+$DIG $DIGOPTS @10.53.0.3 root-key-sentinel-is-ta-${badid}.example A > dig.out.ns3.test$n || ret=1
+grep "status: SERVFAIL" dig.out.ns3.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with bad ta, CD=1 and" " 'root-key-sentinel yes;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.3 +cd root-key-sentinel-is-ta-${badid}.example A > dig.out.ns3.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-not-ta with bad ta and" " 'root-key-sentinel yes;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.3 root-key-sentinel-not-ta-${badid}.example A > dig.out.ns3.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with out-of-range ta and" " 'root-key-sentinel yes;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.3 root-key-sentinel-is-ta-72345.example A > dig.out.ns3.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-not-ta with out-of-range ta and" " 'root-key-sentinel yes;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.3 root-key-sentinel-not-ta-72345.example A > dig.out.ns3.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with no-zero-pad ta and" " 'root-key-sentinel yes;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.3 root-key-sentinel-is-ta-1234.example A > dig.out.ns3.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-not-ta with no-zero-pad ta and" " 'root-key-sentinel yes;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.3 root-key-sentinel-not-ta-1234.example A > dig.out.ns3.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-is-ta with old ta and" " 'root-key-sentinel yes;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.3 old-is-ta.example A > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "old-is-ta.*CNAME.root-key-sentinel-is-ta-${oldid}.example." dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-not-ta with old ta and" " 'root-key-sentinel yes;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.3 old-not-ta.example A > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "old-not-ta.*CNAME.root-key-sentinel-not-ta-${oldid}.example." dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-is-ta with new ta and" " 'root-key-sentinel yes;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.3 new-is-ta.example A > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "new-is-ta.*CNAME.root-key-sentinel-is-ta-${newid}.example." dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-not-ta with new ta and" " 'root-key-sentinel yes;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.3 new-not-ta.example A > dig.out.ns3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns3.test$n > /dev/null || ret=1
+grep "new-not-ta.*CNAME.root-key-sentinel-not-ta-${newid}.example." dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-is-ta with bad ta and" " 'root-key-sentinel yes;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.3 bad-is-ta.example A > dig.out.ns3.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns3.test$n > /dev/null || ret=1
+grep "bad-is-ta.*CNAME.root-key-sentinel-is-ta-${badid}.example" dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-not-ta with bad ta and" " 'root-key-sentinel yes;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.3 bad-not-ta.example A > dig.out.ns3.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns3.test$n > /dev/null || ret=1
+grep "bad-not-ta.*CNAME.root-key-sentinel-not-ta-${badid}.example." dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check test zone resolves with 'root-key-sentinel no;'" " (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.4 example SOA > dig.out.ns4.test$n
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with old ta and" " 'root-key-sentinel no;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.4 root-key-sentinel-is-ta-${oldid}.example A > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-not-ta with old ta and" " 'root-key-sentinel no;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.4 root-key-sentinel-not-ta-${oldid}.example A > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with new ta and" " 'root-key-sentinel no;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.4 root-key-sentinel-is-ta-${newid}.example A > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-not-ta with new ta and" " 'root-key-sentinel no;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.4 root-key-sentinel-not-ta-${newid}.example A > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with bad ta and" " 'root-key-sentinel no;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.4 root-key-sentinel-is-ta-${badid}.example A > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-not-ta with bad ta and" " 'root-key-sentinel no;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.4 root-key-sentinel-not-ta-${badid}.example A > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with out-of-range ta and" " 'root-key-sentinel no;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.4 root-key-sentinel-is-ta-72345.example A > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-not-ta with out-of-range ta and" " 'root-key-sentinel no;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.4 root-key-sentinel-not-ta-72345.example A > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-is-ta with no-zero-pad ta and" " 'root-key-sentinel no;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.4 root-key-sentinel-is-ta-1234.example A > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check root-key-sentinel-not-ta with no-zero-pad ta and" " 'root-key-sentinel no;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.4 root-key-sentinel-not-ta-1234.example A > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-is-ta with old ta and" " 'root-key-sentinel no;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.4 old-is-ta.example A > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "old-is-ta.*CNAME.root-key-sentinel-is-ta-${oldid}.example." dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-not-ta with old ta and" " 'root-key-sentinel no;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.4 old-not-ta.example A > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "old-not-ta.*CNAME.root-key-sentinel-not-ta-${oldid}.example." dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-is-ta with new ta and" " 'root-key-sentinel no;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.4 new-is-ta.example A > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "new-is-ta.*CNAME.root-key-sentinel-is-ta-${newid}.example." dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-not-ta with new ta and" " 'root-key-sentinel no;' (expect NOERROR)"
+$DIG $DIGOPTS @10.53.0.4 new-not-ta.example A > dig.out.ns4.test$n || ret=1
+grep "status: NOERROR" dig.out.ns4.test$n > /dev/null || ret=1
+grep "new-not-ta.*CNAME.root-key-sentinel-not-ta-${newid}.example." dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-is-ta with bad ta and" " 'root-key-sentinel no;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.4 bad-is-ta.example A > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "bad-is-ta.*CNAME.root-key-sentinel-is-ta-${badid}.example" dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+newtest "check CNAME to root-key-sentinel-not-ta with bad ta and" " 'root-key-sentinel no;' (expect NXDOMAIN)"
+$DIG $DIGOPTS @10.53.0.4 bad-not-ta.example A > dig.out.ns4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns4.test$n > /dev/null || ret=1
+grep "bad-not-ta.*CNAME.root-key-sentinel-not-ta-${badid}.example." dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/rootkeysentinel/tests_sh_rootkeysentinel.py b/bin/tests/system/rootkeysentinel/tests_sh_rootkeysentinel.py
new file mode 100644
index 0000000..d1090d0
--- /dev/null
+++ b/bin/tests/system/rootkeysentinel/tests_sh_rootkeysentinel.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_rootkeysentinel(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/rpz/README b/bin/tests/system/rpz/README
new file mode 100644
index 0000000..238e360
--- /dev/null
+++ b/bin/tests/system/rpz/README
@@ -0,0 +1,36 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+The test setup for the RPZ tests prepares a query perf tool and sets up
+policy zones.
+
+Name servers
+------------
+
+ns1 is the root server.
+
+ns2 and ns4 are authoritative servers for the various test domains.
+
+ns3 is the main rewriting resolver.
+
+ns5 and ns7 are additional rewriting resolvers.
+
+ns6 is a forwarding server.
+
+
+Updating the response policy zones
+----------------------------------
+
+test1, test2, test3, test4, test5, and test6 are dynamic update files.  These
+updates are made against ns3.  The script function "start_group" is called to
+start an new batch of tests that may depend on certain server updates.  The
+function takes an optional file name and if provided the server updates are
+performed before executing the test batch.
diff --git a/bin/tests/system/rpz/clean.sh b/bin/tests/system/rpz/clean.sh
new file mode 100644
index 0000000..35d6211
--- /dev/null
+++ b/bin/tests/system/rpz/clean.sh
@@ -0,0 +1,57 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Clean up after rpz tests.
+
+USAGE="$0: [-Px]"
+DEBUG=
+while getopts "Px" c; do
+    case $c in
+	x) set -x ;;
+	P) PARTIAL=set ;;
+	*) echo "$USAGE" 1>&2; exit 1;;
+    esac
+done
+shift $((OPTIND - 1))
+if test "$#" -ne 0; then
+    echo "$USAGE" 1>&2
+    exit 1
+fi
+
+# this might be called from setup.sh to partially clean up the files
+# from the first test pass so the second pass can be set up correctly.
+# remove those files first, then decide whether to remove the others.
+rm -f ns*/*.key ns*/*.private
+rm -f ns2/tld2s.db */bl.tld2.db */bl.tld2s.db
+rm -f ns3/bl*.db ns3/fast-expire.db ns*/empty.db
+rm -f ns3/manual-update-rpz.db
+rm -f ns3/mixed-case-rpz.db
+rm -f ns5/example.db ns5/bl.db ns5/fast-expire.db ns5/expire.conf
+rm -f ns8/manual-update-rpz.db
+rm -f */policy2.db
+rm -f */*.jnl
+
+if [ ${PARTIAL:-unset} = unset ]; then
+    rm -f proto.* dsset-* trusted.conf dig.out* nsupdate.tmp ns*/*tmp
+    rm -f ns5/requests ns5/*.perf
+    rm -f */named.memstats */*.run */*.run.prev */named.stats */session.key
+    rm -f */*.log */*core */*.pid
+    rm -f ns*/named.lock
+    rm -f ns*/named.conf
+    rm -f ns*/*switch
+    rm -f dnsrps*.conf
+    rm -f dnsrpzd.conf
+    rm -f dnsrpzd-license-cur.conf dnsrpzd.rpzf dnsrpzd.sock dnsrpzd.pid
+    rm -f ns*/managed-keys.bind*
+    rm -f tmp
+fi
diff --git a/bin/tests/system/rpz/dnsrps.c b/bin/tests/system/rpz/dnsrps.c
new file mode 100644
index 0000000..55d8a91
--- /dev/null
+++ b/bin/tests/system/rpz/dnsrps.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * -a		exit(0) if dnsrps is available or dlopen() msg if not
+ * -p		print the path to dnsrpzd configured in dnsrps so that
+ *		    dnsrpzd can be run by a setup.sh script.
+ *		    Exit(1) if dnsrps is not available
+ * -n domain	print the serial number of a domain to check if a new
+ *		    version of a policy zone has been transferred to dnsrpzd.
+ *		    Exit(1) if dnsrps is not available
+ * -w sec.ond	wait for seconds, because `sleep 0.1` is not portable
+ */
+
+#include <errno.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <isc/print.h>
+#include <isc/util.h>
+
+#ifdef USE_DNSRPS
+#define LIBRPZ_LIB_OPEN DNSRPS_LIB_OPEN
+#include <dns/librpz.h>
+
+librpz_t *librpz;
+#else  /* ifdef USE_DNSRPS */
+typedef struct {
+	char c[120];
+} librpz_emsg_t;
+#endif /* ifdef USE_DNSRPS */
+
+static bool
+link_dnsrps(librpz_emsg_t *emsg);
+
+#define USAGE "usage: [-ap] [-n domain] [-w sec.onds]\n"
+
+int
+main(int argc, char **argv) {
+#ifdef USE_DNSRPS
+	char cstr[sizeof("zone ") + 1024 + 10];
+	librpz_clist_t *clist;
+	librpz_client_t *client;
+	librpz_rsp_t *rsp;
+	uint32_t serial;
+#endif /* ifdef USE_DNSRPS */
+	double seconds;
+	librpz_emsg_t emsg;
+	char *p;
+	int i;
+
+	while ((i = getopt(argc, argv, "apn:w:")) != -1) {
+		switch (i) {
+		case 'a':
+			if (!link_dnsrps(&emsg)) {
+				printf("I:%s\n", emsg.c);
+				return (1);
+			}
+			return (0);
+
+		case 'p':
+			if (!link_dnsrps(&emsg)) {
+				fprintf(stderr, "## %s\n", emsg.c);
+				return (1);
+			}
+#ifdef USE_DNSRPS
+			printf("%s\n", librpz->dnsrpzd_path);
+#else  /* ifdef USE_DNSRPS */
+			UNREACHABLE();
+#endif /* ifdef USE_DNSRPS */
+			return (0);
+
+		case 'n':
+			if (!link_dnsrps(&emsg)) {
+				fprintf(stderr, "## %s\n", emsg.c);
+				return (1);
+			}
+#ifdef USE_DNSRPS
+			/*
+			 * Get the serial number of a policy zone from
+			 * a running dnsrpzd daemon.
+			 */
+			clist = librpz->clist_create(&emsg, NULL, NULL, NULL,
+						     NULL, NULL);
+			if (clist == NULL) {
+				fprintf(stderr, "## %s: %s\n", optarg, emsg.c);
+				return (1);
+			}
+			snprintf(cstr, sizeof(cstr),
+				 "zone %s; dnsrpzd \"\";"
+				 " dnsrpzd-sock dnsrpzd.sock;"
+				 " dnsrpzd-rpzf dnsrpzd.rpzf",
+				 optarg);
+			client = librpz->client_create(&emsg, clist, cstr,
+						       true);
+			if (client == NULL) {
+				fprintf(stderr, "## %s\n", emsg.c);
+				return (1);
+			}
+
+			rsp = NULL;
+			if (!librpz->rsp_create(&emsg, &rsp, NULL, client, true,
+						false) ||
+			    rsp == NULL)
+			{
+				fprintf(stderr, "## %s\n", emsg.c);
+				librpz->client_detach(&client);
+				return (1);
+			}
+
+			if (!librpz->soa_serial(&emsg, &serial, optarg, rsp)) {
+				fprintf(stderr, "## %s\n", emsg.c);
+				librpz->client_detach(&client);
+				return (1);
+			}
+			librpz->rsp_detach(&rsp);
+			librpz->client_detach(&client);
+			printf("%u\n", serial);
+#else  /* ifdef USE_DNSRPS */
+			UNREACHABLE();
+#endif /* ifdef USE_DNSRPS */
+			return (0);
+
+		case 'w':
+			seconds = strtod(optarg, &p);
+			if (seconds <= 0 || *p != '\0') {
+				fprintf(stderr, USAGE);
+				return (1);
+			}
+			usleep((int)(seconds * 1000.0 * 1000.0));
+			return (0);
+
+		default:
+			fprintf(stderr, USAGE);
+			return (1);
+		}
+	}
+	fprintf(stderr, USAGE);
+	return (1);
+}
+
+static bool
+link_dnsrps(librpz_emsg_t *emsg) {
+#ifdef USE_DNSRPS
+	librpz = librpz_lib_open(emsg, NULL, DNSRPS_LIBRPZ_PATH);
+	if (librpz == NULL) {
+		return (false);
+	}
+
+	return (true);
+#else  /* ifdef USE_DNSRPS */
+	snprintf(emsg->c, sizeof(emsg->c), "DNSRPS not configured");
+	return (false);
+#endif /* ifdef USE_DNSRPS */
+}
diff --git a/bin/tests/system/rpz/dnsrpzd-license.conf b/bin/tests/system/rpz/dnsrpzd-license.conf
new file mode 100644
index 0000000..739b39d
--- /dev/null
+++ b/bin/tests/system/rpz/dnsrpzd-license.conf
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone isc.license.fastrpz.com {
+    primaries port 53 {
+        KEY farsight_fastrpz_license 104.244.14.176;
+        KEY farsight_fastrpz_license 2620:11c:f008::176;
+    };
+};
+
+key farsight_fastrpz_license {
+    algorithm hmac-sha256; secret "f405d02b4c8af54855fcebc1";
+};
diff --git a/bin/tests/system/rpz/dnsrpzd.conf.in b/bin/tests/system/rpz/dnsrpzd.conf.in
new file mode 100644
index 0000000..7365562
--- /dev/null
+++ b/bin/tests/system/rpz/dnsrpzd.conf.in
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# dnsrpzd configuration.
+
+pid-file ../dnsrpzd.pid
+
+include ../dnsrpzd-license-cur.conf
+
+# configure NOTIFY and zone transfers
+port @EXTRAPORT1@;
+listen-on port @EXTRAPORT1@ { 10.53.0.3; };
+allow-notify { 10.53.0.0/24; };
+
+zone "bl0"		{type primary; file "../ns5/bl.db"; };
+zone "bl1"		{type primary; file "../ns5/bl.db"; };
+zone "bl2"		{type primary; file "../ns5/bl.db"; };
+zone "bl3"		{type primary; file "../ns5/bl.db"; };
+zone "bl4"		{type primary; file "../ns5/bl.db"; };
+zone "bl5"		{type primary; file "../ns5/bl.db"; };
+zone "bl6"		{type primary; file "../ns5/bl.db"; };
+zone "bl7"		{type primary; file "../ns5/bl.db"; };
+zone "bl8"		{type primary; file "../ns5/bl.db"; };
+zone "bl9"		{type primary; file "../ns5/bl.db"; };
+zone "bl10"		{type primary; file "../ns5/bl.db"; };
+zone "bl11"		{type primary; file "../ns5/bl.db"; };
+zone "bl12"		{type primary; file "../ns5/bl.db"; };
+zone "bl13"		{type primary; file "../ns5/bl.db"; };
+zone "bl14"		{type primary; file "../ns5/bl.db"; };
+zone "bl15"		{type primary; file "../ns5/bl.db"; };
+zone "bl16"		{type primary; file "../ns5/bl.db"; };
+zone "bl17"		{type primary; file "../ns5/bl.db"; };
+zone "bl18"		{type primary; file "../ns5/bl.db"; };
+zone "bl19"		{type primary; file "../ns5/bl.db"; };
+
+zone "bl"		{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-2"		{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-given"		{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-passthru"	{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-no-op"		{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-disabled"	{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-nodata"	{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-nxdomain"	{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-cname"		{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-wildcname"	{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-garden"	{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-drop"		{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl-tcp-only"	{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+zone "bl.tld2"		{type secondary; primaries port @PORT@ { 10.53.0.3; }; };
+
+zone "policy1"		{type secondary; primaries port @PORT@ { 10.53.0.6; }; };
+zone "policy2"		{type secondary; primaries port @PORT@ { 10.53.0.7; }; };
diff --git a/bin/tests/system/rpz/ns1/named.conf.in b/bin/tests/system/rpz/ns1/named.conf.in
new file mode 100644
index 0000000..8b466f0
--- /dev/null
+++ b/bin/tests/system/rpz/ns1/named.conf.in
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	notify no;
+	minimal-responses no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {type primary; file "root.db";};
diff --git a/bin/tests/system/rpz/ns1/root.db b/bin/tests/system/rpz/ns1/root.db
new file mode 100644
index 0000000..6bf3d5a
--- /dev/null
+++ b/bin/tests/system/rpz/ns1/root.db
@@ -0,0 +1,42 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	120
+.		SOA	ns. hostmaster.ns. ( 1 3600 1200 604800 60 )
+		NS	ns.
+ns.		A	10.53.0.1
+
+; rewrite responses from this zone
+tld2.		NS	ns.tld2.
+ns.tld2.	A	10.53.0.2
+
+; rewrite responses from this secure zone unless dnssec requested (DO=1)
+tld2s.		NS	ns.tld2.
+
+; requests come from here
+tld3.		NS	ns.tld3.
+ns.tld3.	A	10.53.0.3
+
+; rewrite responses from this zone
+tld4.		NS	ns.tld4.
+ns.tld4.	A	10.53.0.4
+
+; performance test
+tld5.		NS	ns.tld5.
+ns.tld5.	A	10.53.0.5
+
+; generate SERVFAIL
+servfail	NS	ns.tld2.
+
+a-only.example	A	1.2.3.4
+no-a-no-aaaa.example	TXT	placeholder
+a-plus-aaaa.example	A	1.2.3.4
+a-plus-aaaa.example	AAAA	::1
diff --git a/bin/tests/system/rpz/ns10/hints b/bin/tests/system/rpz/ns10/hints
new file mode 100644
index 0000000..b657c39
--- /dev/null
+++ b/bin/tests/system/rpz/ns10/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	120	NS	ns.
+ns.	120	A	10.53.0.1
diff --git a/bin/tests/system/rpz/ns10/named.conf.in b/bin/tests/system/rpz/ns10/named.conf.in
new file mode 100644
index 0000000..d645e38
--- /dev/null
+++ b/bin/tests/system/rpz/ns10/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.10;
+	notify-source 10.53.0.10;
+	transfer-source 10.53.0.10;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.10; };
+	listen-on-v6 { none; };
+	notify no;
+	minimal-responses no;
+	recursion yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+controls {
+	inet 10.53.0.10 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+include "../trusted.conf";
+zone "." { type hint; file "hints"; };
+
+# grafted on zones using stub and static-stub
+zone "stub-nomatch."		    {type primary; file "stub.db"; };
+zone "static-stub-nomatch."	    {type primary; file "stub.db"; };
diff --git a/bin/tests/system/rpz/ns10/stub.db b/bin/tests/system/rpz/ns10/stub.db
new file mode 100644
index 0000000..8ecac8c
--- /dev/null
+++ b/bin/tests/system/rpz/ns10/stub.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; RPZ rewrite responses from this zone
+
+$TTL	120
+@		SOA	ns  hostmaster.ns ( 1 3600 1200 604800 60 )
+		NS	ns
+ns		A	10.53.0.10
+
+a3-1		A	10.53.99.99
+
+a4-1		A	10.53.99.99
diff --git a/bin/tests/system/rpz/ns2/base-tld2s.db b/bin/tests/system/rpz/ns2/base-tld2s.db
new file mode 100644
index 0000000..77114ec
--- /dev/null
+++ b/bin/tests/system/rpz/ns2/base-tld2s.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; RPZ rewrite responses from this signed zone
+
+$TTL	120
+@		SOA	tld2s.  hostmaster.ns.tld2. ( 1 3600 1200 604800 60 )
+		NS	ns
+		NS	.			; check for RT 24985
+ns		A	10.53.0.2
+
+
+a0-1		A	192.168.0.1
+a0-1-scname	CNAME	a0-1.tld2.
+
+a3-5		A	192.168.3.5
+
+a7-2		A	192.168.7.2
diff --git a/bin/tests/system/rpz/ns2/bl.tld2.db.in b/bin/tests/system/rpz/ns2/bl.tld2.db.in
new file mode 100644
index 0000000..25780b7
--- /dev/null
+++ b/bin/tests/system/rpz/ns2/bl.tld2.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; primary for secondary RPZ zone
+
+$TTL	3600
+@		SOA	rpz.tld2.  hostmaster.ns.tld2. ( 1 3600 1200 604800 60 )
+		NS	ns2
+		NS	ns3
+ns2		A	10.53.0.2
+ns3		A	10.53.0.3
+
+32.1.7.168.192.rpz-ip	 CNAME	.
diff --git a/bin/tests/system/rpz/ns2/blv2.tld2.db.in b/bin/tests/system/rpz/ns2/blv2.tld2.db.in
new file mode 100644
index 0000000..123e1b4
--- /dev/null
+++ b/bin/tests/system/rpz/ns2/blv2.tld2.db.in
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; primary for secondary RPZ zone
+
+$TTL	3600
+@		SOA	rpz.tld2.  hostmaster.ns.tld2. ( 2 3600 1200 604800 60 )
+		NS	ns2
+		NS	ns3
+ns2		A	10.53.0.2
+ns3		A	10.53.0.3
diff --git a/bin/tests/system/rpz/ns2/blv3.tld2.db.in b/bin/tests/system/rpz/ns2/blv3.tld2.db.in
new file mode 100644
index 0000000..b8ba587
--- /dev/null
+++ b/bin/tests/system/rpz/ns2/blv3.tld2.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; primary for secondary RPZ zone
+
+$TTL	3600
+@		SOA	rpz.tld2.  hostmaster.ns.tld2. ( 3 3600 1200 604800 60 )
+		NS	ns2
+		NS	ns3
+ns2		A	10.53.0.2
+ns3		A	10.53.0.3
+
+32.1.7.168.192.rpz-ip	 CNAME	.
diff --git a/bin/tests/system/rpz/ns2/hints b/bin/tests/system/rpz/ns2/hints
new file mode 100644
index 0000000..b657c39
--- /dev/null
+++ b/bin/tests/system/rpz/ns2/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	120	NS	ns.
+ns.	120	A	10.53.0.1
diff --git a/bin/tests/system/rpz/ns2/named.conf.in b/bin/tests/system/rpz/ns2/named.conf.in
new file mode 100644
index 0000000..9b2ab3a
--- /dev/null
+++ b/bin/tests/system/rpz/ns2/named.conf.in
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	notify no;
+	minimal-responses no;
+	recursion yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+include "../trusted.conf";
+zone "." { type hint; file "hints"; };
+
+zone "tld2."		    {type primary; file "tld2.db";};
+zone "sub1.tld2."	    {type primary; file "tld2.db";};
+zone "subsub.sub1.tld2."    {type primary; file "tld2.db";};
+zone "sub2.tld2."	    {type primary; file "tld2.db";};
+zone "subsub.sub2.tld2."    {type primary; file "tld2.db";};
+zone "sub3.tld2."	    {type primary; file "tld2.db";};
+zone "subsub.sub3.tld2."    {type primary; file "tld2.db";};
+
+zone "tld2s."		    {type primary; file "tld2s.db";};
+
+zone "bl.tld2."		    {type primary; file "bl.tld2.db";
+				notify yes; notify-delay 0;};
+
+# grafted on zones using stub and static-stub
+zone "stub."		    {type primary; file "stub.db"; };
+zone "static-stub."	    {type primary; file "stub.db"; };
diff --git a/bin/tests/system/rpz/ns2/stub.db b/bin/tests/system/rpz/ns2/stub.db
new file mode 100644
index 0000000..e4b8781
--- /dev/null
+++ b/bin/tests/system/rpz/ns2/stub.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; RPZ rewrite responses from this zone
+
+$TTL	120
+@		SOA	tld2.  hostmaster.ns.tld2. ( 1 3600 1200 604800 60 )
+		NS	ns.sub1.tld2.
+
+a3-1		A	10.53.99.99
+
+a4-1		A	10.53.99.99
diff --git a/bin/tests/system/rpz/ns2/tld2.db b/bin/tests/system/rpz/ns2/tld2.db
new file mode 100644
index 0000000..c6f2556
--- /dev/null
+++ b/bin/tests/system/rpz/ns2/tld2.db
@@ -0,0 +1,125 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; RPZ rewrite responses from this zone
+
+$TTL	120
+@		SOA	tld2.  hostmaster.ns.tld2. ( 1 3600 1200 604800 60 )
+		NS	ns
+		NS	.			; check for RT 24985
+ns		A	10.53.0.2
+
+
+txt-only	TXT	"txt-only-tld2"
+
+a12		A	12.12.12.12
+		AAAA	2001::12
+		TXT	"a12 tld2 text"
+a12-cname	CNAME	a12
+
+a0-1		A	192.168.0.1
+		AAAA	2001:2::1
+		TXT	"a0-1 tld2 text"
+a0-1-scname	CNAME	a0-1.tld2s.
+
+
+a3-1		A	192.168.3.1
+		AAAA	2001:2:3::1
+		TXT	"a3-1 tld2 text"
+
+a3-2		A	192.168.3.2
+		AAAA	2001:2:3::2
+		TXT	"a3-2 tld2 text"
+
+a3-3		A	192.168.3.3
+		AAAA	2001:2:3::3
+		TXT	"a3-3 tld2 text"
+
+a3-4		A	192.168.3.4
+		AAAA	2001:2:3::4
+		TXT	"a3-4 tld2 text"
+
+a3-5		A	192.168.3.5
+		AAAA	2001:2:3::5
+		TXT	"a3-5 tld2 text"
+
+a3-6		A	192.168.3.6
+		AAAA	2001:2:3::6
+		TXT	"a3-6 tld2 text"
+
+a3-7		A	192.168.3.7
+		AAAA	2001:2:3::7
+		TXT	"a3-7 tld2 text"
+
+a3-8		A	192.168.3.8
+		AAAA	2001:2:3::8
+		TXT	"a3-8 tld2 text"
+
+a3-9		A	192.168.3.9
+		AAAA	2001:2:3::9
+		TXT	"a3-9 tld2 text"
+
+a4-1		A	192.168.4.1
+		AAAA	2001:2:4::1
+		TXT	"a4-1 tld2 text"
+a4-1-aaaa	AAAA	2001:2:4::1
+
+a4-2		A	192.168.4.2
+		AAAA	2001:2:4::2
+		TXT	"a4-2 tld2 text"
+a4-2-cname	CNAME	a4-2
+
+a4-3		A	192.168.4.3
+		AAAA	2001:2:4::3
+		TXT	"a4-3 tld2 text"
+a4-3-cname	CNAME	a4-3
+
+a4-4		A	192.168.4.4
+		AAAA	2001:2:4::4
+		TXT	"a4-4 tld2 text"
+
+a4-5		A	192.168.4.5
+		AAAA	2001:2:4::5
+		TXT	"a4-5 tld2 text"
+a4-5-cname	CNAME	a4-5
+a4-5-cname2	CNAME	a4-5-cname
+a4-5-cname3	CNAME	a4-5-cname2
+
+a4-6		A	192.168.4.6
+		AAAA	2001:2:4::6
+		TXT	"a4-6 tld2 text"
+a4-6-cname	CNAME	a4-6
+a4-6-cname2	CNAME	a4-6-cname
+a4-6-cname3	CNAME	a4-6-cname2
+
+a5-1-2		A	192.168.5.1
+		A	192.168.5.2
+		TXT	"a5-1-2 tld2 text"
+
+a5-2		A	192.168.5.2
+		TXT	"a5-2 tld2 text"
+
+a5-3		A	192.168.5.3
+		TXT	"a5-3 tld2 text"
+
+a5-4		A	192.168.5.4
+		TXT	"a5-4 tld2 text"
+
+a6-1		A	192.168.6.1
+		TXT	"a6-1 tld2 text"
+a6-2		A	192.168.6.2
+		TXT	"a6-2 tld2 text"
+
+a7-1		A	192.168.7.1
+		TXT	"a7-1 tld2 text"
+
+a7-2		A	192.168.7.2
+		TXT	"a7-2 tld2 text"
diff --git a/bin/tests/system/rpz/ns3/base.db b/bin/tests/system/rpz/ns3/base.db
new file mode 100644
index 0000000..f2f15a0
--- /dev/null
+++ b/bin/tests/system/rpz/ns3/base.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; RPZ test
+;   This basic file is copied to several zone files before being used.
+;   Its contents are also changed with nsupdate
+
+
+$TTL	300
+@	SOA	blx.  hostmaster.ns.blx. ( 1 3600 1200 604800 60 )
+	NS	ns.tld3.
+
+; regression testing for some old crashes
+example.com     NS	example.org.
+
+domain.com	cname	foobar.com
diff --git a/bin/tests/system/rpz/ns3/broken.db.in b/bin/tests/system/rpz/ns3/broken.db.in
new file mode 100644
index 0000000..80aa313
--- /dev/null
+++ b/bin/tests/system/rpz/ns3/broken.db.in
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; RPZ test
+;   This basic file is copied to several zone files before being used.
+;   Its contents are also changed with nsupdate
+
+
+; broken zone
+foobar
diff --git a/bin/tests/system/rpz/ns3/crash1 b/bin/tests/system/rpz/ns3/crash1
new file mode 100644
index 0000000..0c85191
--- /dev/null
+++ b/bin/tests/system/rpz/ns3/crash1
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+
+; a bad zone that caused a crash related to dns_rdataset_disassociate()
+
+$TTL	120
+@	SOA	crash1.tld2. hostmaster.ns.tld2. ( 1 3600 1200 604800 60 )
+
+	NS	tld2.
diff --git a/bin/tests/system/rpz/ns3/crash2 b/bin/tests/system/rpz/ns3/crash2
new file mode 100644
index 0000000..ab70283
--- /dev/null
+++ b/bin/tests/system/rpz/ns3/crash2
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+
+; a valid zone containing records that caused crashes
+
+$TTL	120
+@	SOA	crash2.tld3. hostmaster.ns.tld3. ( 1 3600 1200 604800 60 )
+	NS	ns
+ns	A	10.53.0.3
+
+; #24 in test1, crashed new ASSERT() in rbtdb.c
+c1	A	172.16.1.24
+
+; #16 in test2, crashed new ASSERT() in rbtdb.c
+c2	A	172.16.1.16
diff --git a/bin/tests/system/rpz/ns3/hints b/bin/tests/system/rpz/ns3/hints
new file mode 100644
index 0000000..b657c39
--- /dev/null
+++ b/bin/tests/system/rpz/ns3/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	120	NS	ns.
+ns.	120	A	10.53.0.1
diff --git a/bin/tests/system/rpz/ns3/manual-update-rpz-2.db.in b/bin/tests/system/rpz/ns3/manual-update-rpz-2.db.in
new file mode 100644
index 0000000..f670b0c
--- /dev/null
+++ b/bin/tests/system/rpz/ns3/manual-update-rpz-2.db.in
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; RPZ test
+;   This basic file is copied to several zone files before being used.
+;   Its contents are also changed with nsupdate
+
+
+$TTL 300
+@				SOA	bl-reload.  hostmaster.ns.bl-reload. ( 2 3600 1200 604800 60 )
+				NS	ns.tld3.
+
+walled.tld2.bl-reload.	 300	A	10.0.0.2
+
diff --git a/bin/tests/system/rpz/ns3/manual-update-rpz.db.in b/bin/tests/system/rpz/ns3/manual-update-rpz.db.in
new file mode 100644
index 0000000..a823448
--- /dev/null
+++ b/bin/tests/system/rpz/ns3/manual-update-rpz.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; RPZ test
+;   This basic file is copied to several zone files before being used.
+;   Its contents are also changed with nsupdate
+
+
+$TTL 300
+@					SOA	manual-update-rpz.  hostmaster.ns.manual-rpz-update. ( 1 3600 1200 604800 60 )
+					NS	ns.tld3.
+
+walled.tld2.manual-update-rpz.	 300	A	10.0.0.1
diff --git a/bin/tests/system/rpz/ns3/mixed-case-rpz-1.db.in b/bin/tests/system/rpz/ns3/mixed-case-rpz-1.db.in
new file mode 100644
index 0000000..c8548fc
--- /dev/null
+++ b/bin/tests/system/rpz/ns3/mixed-case-rpz-1.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		SOA	mixed-case-rpz.  hostmaster.ns.mixed-case-rpz. ( 1 3600 1200 604800 60 )
+		NS	ns.tld3.
+
+A6-2.TLD2	CNAME	.
diff --git a/bin/tests/system/rpz/ns3/mixed-case-rpz-2.db.in b/bin/tests/system/rpz/ns3/mixed-case-rpz-2.db.in
new file mode 100644
index 0000000..7d99c5a
--- /dev/null
+++ b/bin/tests/system/rpz/ns3/mixed-case-rpz-2.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@		SOA	mixed-case-rpz.  hostmaster.ns.mixed-case-rpz. ( 2 3600 1200 604800 60 )
+		NS	ns.tld3.
+
+a6-1.tld2	CNAME	.
+A6-2.TLD2	CNAME	.
diff --git a/bin/tests/system/rpz/ns3/named.conf.in b/bin/tests/system/rpz/ns3/named.conf.in
new file mode 100644
index 0000000..6d2303c
--- /dev/null
+++ b/bin/tests/system/rpz/ns3/named.conf.in
@@ -0,0 +1,160 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Main rpz test DNS server.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	statistics-file	"named.stats";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	notify yes;
+	minimal-responses no;
+	recursion yes;
+	dnssec-validation yes;
+	min-refresh-time 1;
+	min-retry-time 1;
+
+	response-policy {
+	    zone "fast-expire";
+	    zone "bl"					max-policy-ttl 100;
+	    zone "bl-2";
+	    zone "bl-given"	policy given		recursive-only yes;
+	    zone "bl-passthru"	policy passthru;
+	    zone "bl-no-op"	policy no-op;		# obsolete for passthru
+	    zone "bl-disabled"	policy disabled;
+	    zone "bl-nodata"	policy nodata		recursive-only no;
+	    zone "bl-nxdomain"	policy nxdomain;
+	    zone "bl-cname"	policy cname txt-only.tld2.;
+	    zone "bl-wildcname"	policy cname *.tld4.;
+	    zone "bl-garden"	policy cname a12.tld2.;
+	    zone "bl-drop"	policy drop;
+	    zone "bl-tcp-only"	policy tcp-only;
+	    zone "bl.tld2";
+	    zone "manual-update-rpz";
+	    zone "mixed-case-rpz";
+	}
+	add-soa yes
+	min-ns-dots 0
+	qname-wait-recurse yes
+	min-update-interval 0
+	nsdname-enable yes
+	nsip-enable yes
+	;
+
+	include "../dnsrps.conf";
+	also-notify { 10.53.0.3 port @EXTRAPORT1@; };
+	notify-delay 0;
+};
+
+logging { category rpz { default_debug; }; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+zone "." { type hint; file "hints"; };
+
+zone "bl."		{type primary; file "bl.db";
+				allow-update {any;};};
+zone "bl-2."		{type primary; file "bl-2.db";
+				allow-update {any;};};
+zone "bl-given."	{type primary; file "bl-given.db";
+				allow-update {any;};};
+zone "bl-passthru."	{type primary; file "bl-passthru.db";
+				allow-update {any;};};
+zone "bl-no-op."	{type primary; file "bl-no-op.db";
+				allow-update {any;};};
+zone "bl-disabled."	{type primary; file "bl-disabled.db";
+				allow-update {any;};};
+zone "bl-nodata."	{type primary; file "bl-nodata.db";
+				allow-update {any;};};
+zone "bl-nxdomain."	{type primary; file "bl-nxdomain.db";
+				allow-update {any;};};
+zone "bl-cname."	{type primary; file "bl-cname.db";
+				allow-update {any;};};
+zone "bl-wildcname."	{type primary; file "bl-wildcname.db";
+				allow-update {any;};};
+zone "bl-garden."	{type primary; file "bl-garden.db";
+				allow-update {any;};};
+zone "bl-drop."		{type primary; file "bl-drop.db";
+				allow-update {any;};};
+zone "bl-tcp-only."	{type primary; file "bl-tcp-only.db";
+				allow-update {any;};};
+
+zone "bl.tld2."		{type secondary; file "bl.tld2.db"; primaries {10.53.0.2;};
+				request-ixfr no; masterfile-format text;};
+
+zone "crash1.tld2"	{type primary; file "crash1"; notify no;};
+zone "crash2.tld3."	{type primary; file "crash2"; notify no;};
+
+zone "manual-update-rpz." {
+	type primary;
+	file "manual-update-rpz.db";
+	notify no;
+};
+
+zone "mixed-case-rpz." {
+	type primary;
+	file "mixed-case-rpz.db";
+	notify no;
+};
+
+zone "fast-expire." {
+	type secondary;
+	file "fast-expire.db";
+	primaries { 10.53.0.5; };
+	notify no;
+};
+
+zone "stub." {
+	type stub;
+	primaries { 10.53.0.2; };
+};
+
+zone "static-stub." {
+	type static-stub;
+	server-addresses { 10.53.0.2; };
+};
+
+zone "stub-nomatch." {
+	type stub;
+	primaries { 10.53.0.10; };
+};
+
+zone "static-stub-nomatch." {
+	type static-stub;
+	server-addresses { 10.53.0.10; };
+};
+
+# A faulty dlz configuration to check if named with response policy zones
+# survives a certain class of failed configuration attempts (see GL #3880).
+# "dlz" is used because the dlz processing code is located in an ideal place in
+# the view configuration function for the test to cover the view reverting code.
+# The "BAD" comments below are necessary, because they will be removed using
+# 'sed' by tests.sh in order to activate the faulty configuration.
+#BAD	dlz "bad-dlz" {
+#BAD		database "dlopen bad-dlz.so example.org";
+#BAD	};
diff --git a/bin/tests/system/rpz/ns4/hints b/bin/tests/system/rpz/ns4/hints
new file mode 100644
index 0000000..b657c39
--- /dev/null
+++ b/bin/tests/system/rpz/ns4/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	120	NS	ns.
+ns.	120	A	10.53.0.1
diff --git a/bin/tests/system/rpz/ns4/named.conf.in b/bin/tests/system/rpz/ns4/named.conf.in
new file mode 100644
index 0000000..909f1c6
--- /dev/null
+++ b/bin/tests/system/rpz/ns4/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	notify no;
+	minimal-responses no;
+	recursion yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+include "../trusted.conf";
+zone "." { type hint; file "hints"; };
+
+zone "tld4."		    {type primary; file "tld4.db";};
+zone "sub1.tld4."	    {type primary; file "tld4.db";};
+zone "subsub.sub1.tld4."    {type primary; file "tld4.db";};
+zone "sub2.tld4."	    {type primary; file "tld4.db";};
+zone "subsub.sub2.tld4."    {type primary; file "tld4.db";};
diff --git a/bin/tests/system/rpz/ns4/tld4.db b/bin/tests/system/rpz/ns4/tld4.db
new file mode 100644
index 0000000..fca419c
--- /dev/null
+++ b/bin/tests/system/rpz/ns4/tld4.db
@@ -0,0 +1,66 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; RPZ rewrite responses from this zone
+
+$TTL	120
+@		SOA	tld4.  hostmaster.ns.tld4. ( 1 3600 1200 604800 60 )
+		NS	ns
+ns		A	10.53.0.4
+
+
+txt-only	TXT	"txt-only-tld4"
+
+a14		A	14.14.14.14
+		AAAA	2001::14
+		TXT	"a14 text"
+a14-cname	CNAME	a14
+
+a0-1		A	192.168.0.1
+		AAAA	2001:2::1
+		TXT	"a0-1 text"
+
+a3-1		A	192.168.3.1
+		AAAA	2001:2:3::1
+		TXT	"a3-1 text"
+
+a3-2		A	192.168.3.2
+		AAAA	2001:2:3::2
+		TXT	"a3-2 text"
+
+a4-1		A	192.168.4.1
+		AAAA	2001:2:4::1
+		TXT	"a4-1 text"
+a4-1-aaaa	AAAA	2001:2:4::1
+
+a4-2		A	192.168.4.2
+		AAAA	2001:2:4::2
+		TXT	"a4-2 text"
+a4-2-cname	CNAME	a4-2
+
+a4-3		A	192.168.4.3
+		AAAA	2001:2:4::3
+		TXT	"a4-3 text"
+a4-3-cname	CNAME	a4-3
+
+a4-4		A	192.168.4.4
+		AAAA	2001:2:4::4
+		TXT	"a4-4 text"
+
+a3-6.tld2	A	56.56.56.56
+
+a3-7.sub1.tld2	A	57.57.57.57
+
+a3-8.tld2	A	58.58.58.58
+
+a3-9.sub9.tld2	A	59.59.59.59
+
+a3-10.tld2	A	60.60.60.60
diff --git a/bin/tests/system/rpz/ns5/empty.db.in b/bin/tests/system/rpz/ns5/empty.db.in
new file mode 100644
index 0000000..a7e9144
--- /dev/null
+++ b/bin/tests/system/rpz/ns5/empty.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	120
+@	SOA	.  hostmaster.ns.example.tld5. ( 1 3600 1200 604800 60 )
+	NS	.
diff --git a/bin/tests/system/rpz/ns5/expire.conf.in b/bin/tests/system/rpz/ns5/expire.conf.in
new file mode 100644
index 0000000..4c1c228
--- /dev/null
+++ b/bin/tests/system/rpz/ns5/expire.conf.in
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+zone "fast-expire." {
+	type primary;
+	file "fast-expire.db";
+	allow-transfer { any; };
+	notify no;
+};
diff --git a/bin/tests/system/rpz/ns5/fast-expire.db.in b/bin/tests/system/rpz/ns5/fast-expire.db.in
new file mode 100644
index 0000000..cb2672e
--- /dev/null
+++ b/bin/tests/system/rpz/ns5/fast-expire.db.in
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@					SOA	fast-expire. hostmaster (
+						1 3 1 5 60
+						)
+					NS	ns.tld3.
+
+expired.fast-expire.		        A	10.0.0.10
diff --git a/bin/tests/system/rpz/ns5/hints b/bin/tests/system/rpz/ns5/hints
new file mode 100644
index 0000000..b657c39
--- /dev/null
+++ b/bin/tests/system/rpz/ns5/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	120	NS	ns.
+ns.	120	A	10.53.0.1
diff --git a/bin/tests/system/rpz/ns5/named.args b/bin/tests/system/rpz/ns5/named.args
new file mode 100644
index 0000000..56edbe3
--- /dev/null
+++ b/bin/tests/system/rpz/ns5/named.args
@@ -0,0 +1,2 @@
+# run the performance test close to real life
+-c named.conf -D rpz-ns5 -X named.lock -gd3 -T maxcachesize=2097152
diff --git a/bin/tests/system/rpz/ns5/named.conf.in b/bin/tests/system/rpz/ns5/named.conf.in
new file mode 100644
index 0000000..e1f8fb6
--- /dev/null
+++ b/bin/tests/system/rpz/ns5/named.conf.in
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Test rpz performance.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	statistics-file "named.stats";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	ixfr-from-differences yes;
+	notify-delay 0;
+	notify yes;
+	minimal-responses no;
+	recursion yes;
+	dnssec-validation yes;
+
+	# turn rpz on or off
+	include "rpz-switch";
+
+	include "../dnsrps-secondary.conf";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+include "../trusted.conf";
+zone "."		{type hint; file "hints"; };
+
+zone "tld5."		{type primary; file "tld5.db"; };
+zone "example.tld5."	{type primary; file "example.db"; };
+
+zone "bl0."		{type primary; file "bl.db"; };
+zone "bl1."		{type primary; file "bl.db"; };
+zone "bl2."		{type primary; file "bl.db"; };
+zone "bl3."		{type primary; file "bl.db"; };
+zone "bl4."		{type primary; file "bl.db"; };
+zone "bl5."		{type primary; file "bl.db"; };
+zone "bl6."		{type primary; file "bl.db"; };
+zone "bl7."		{type primary; file "bl.db"; };
+zone "bl8."		{type primary; file "bl.db"; };
+zone "bl9."		{type primary; file "bl.db"; };
+zone "bl10."		{type primary; file "bl.db"; };
+zone "bl11."		{type primary; file "bl.db"; };
+zone "bl12."		{type primary; file "bl.db"; };
+zone "bl13."		{type primary; file "bl.db"; };
+zone "bl14."		{type primary; file "bl.db"; };
+zone "bl15."		{type primary; file "bl.db"; };
+zone "bl16."		{type primary; file "bl.db"; };
+zone "bl17."		{type primary; file "bl.db"; };
+zone "bl18."		{type primary; file "bl.db"; };
+zone "bl19."		{type primary; file "bl.db"; };
+
+zone "policy1" {
+	type primary;
+	file "empty.db";
+	also-notify { 10.53.0.6; };
+	allow-update { any; };
+	allow-transfer { any; };
+};
+
+zone "policy2" {
+	type primary;
+	file "policy2.db";
+	allow-update { any; };
+	allow-transfer { any; };
+};
+
+include "expire.conf";
diff --git a/bin/tests/system/rpz/ns5/tld5.db b/bin/tests/system/rpz/ns5/tld5.db
new file mode 100644
index 0000000..b75e72f
--- /dev/null
+++ b/bin/tests/system/rpz/ns5/tld5.db
@@ -0,0 +1,32 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; RPZ performance test
+
+$TTL	120
+@	SOA	.  hostmaster.ns.example.tld5. ( 1 3600 1200 604800 60 )
+	NS	ns
+	NS	ns1
+	NS	ns2
+	NS	ns3
+ns	A	10.53.0.5
+ns1	A	10.53.0.5
+ns2	A	10.53.0.5
+ns3	A	10.53.0.5
+
+
+$ORIGIN	example.tld5.
+example.tld5.	NS	ns
+		NS	ns1
+ns		A	10.53.0.5
+ns1		A	10.53.0.5
+
+as-ns	TXT	"rewritten with ip-as-ns and qname-as-ns"
diff --git a/bin/tests/system/rpz/ns6/bl.tld2s.db.in b/bin/tests/system/rpz/ns6/bl.tld2s.db.in
new file mode 100644
index 0000000..4538050
--- /dev/null
+++ b/bin/tests/system/rpz/ns6/bl.tld2s.db.in
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	3600
+@		SOA	rpz.tld2.  hostmaster.ns.tld2. ( 3 3600 1200 604800 60 )
+		NS	ns2
+		NS	ns3
+ns2		A	10.53.0.2
+ns3		A	10.53.0.3
+
+32.2.7.168.192.rpz-ip	 A 1.1.1.1
+                        AAAA ::1
diff --git a/bin/tests/system/rpz/ns6/hints b/bin/tests/system/rpz/ns6/hints
new file mode 100644
index 0000000..b657c39
--- /dev/null
+++ b/bin/tests/system/rpz/ns6/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	120	NS	ns.
+ns.	120	A	10.53.0.1
diff --git a/bin/tests/system/rpz/ns6/named.conf.in b/bin/tests/system/rpz/ns6/named.conf.in
new file mode 100644
index 0000000..c0ad5c4
--- /dev/null
+++ b/bin/tests/system/rpz/ns6/named.conf.in
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	statistics-file "named.stats";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	forward only;
+	forwarders { 10.53.0.3; };
+	minimal-responses no;
+	recursion yes;
+	dnssec-validation yes;
+	qname-minimization disabled;
+
+	response-policy {
+	    zone "policy1" min-update-interval 0;
+	    zone "bl.tld2s" policy given;
+	} qname-wait-recurse yes
+	// add-soa yes # leave add-soa as default for unset test
+	nsip-enable yes
+	nsdname-enable yes;
+
+	include "../dnsrps-secondary.conf";
+};
+
+logging { category rpz { default_debug; }; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+include "../trusted.conf";
+
+zone "policy1" {
+	type secondary;
+	primaries { 10.53.0.5; };
+	file "empty.db";
+	also-notify { 10.53.0.3 port @EXTRAPORT1@; };
+	notify-delay 0;
+	allow-transfer  { any; };
+};
+
+zone "bl.tld2s." {
+    type primary;
+    file "bl.tld2s.db";
+};
diff --git a/bin/tests/system/rpz/ns7/hints b/bin/tests/system/rpz/ns7/hints
new file mode 100644
index 0000000..b657c39
--- /dev/null
+++ b/bin/tests/system/rpz/ns7/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	120	NS	ns.
+ns.	120	A	10.53.0.1
diff --git a/bin/tests/system/rpz/ns7/named.conf.in b/bin/tests/system/rpz/ns7/named.conf.in
new file mode 100644
index 0000000..7effd3d
--- /dev/null
+++ b/bin/tests/system/rpz/ns7/named.conf.in
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	statistics-file "named.stats";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	minimal-responses no;
+	recursion yes;
+	dnssec-validation yes;
+
+	response-policy {
+	    zone "policy2" add-soa no;
+	} qname-wait-recurse no
+	nsip-enable yes
+	nsdname-enable yes
+	min-update-interval 0;
+
+	include "../dnsrps-secondary.conf";
+};
+
+logging { category rpz { default_debug; }; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+include "../trusted.conf";
+
+zone "policy2" {
+	type secondary;
+	primaries { 10.53.0.5; };
+	file "policy2.db";
+	also-notify { 10.53.0.3 port @EXTRAPORT1@; };
+	notify-delay 0;
+	allow-transfer  { any; };
+	request-ixfr no; // force axfr on rndc reload
+};
diff --git a/bin/tests/system/rpz/ns8/hints b/bin/tests/system/rpz/ns8/hints
new file mode 100644
index 0000000..b657c39
--- /dev/null
+++ b/bin/tests/system/rpz/ns8/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	120	NS	ns.
+ns.	120	A	10.53.0.1
diff --git a/bin/tests/system/rpz/ns8/manual-update-rpz.db.in b/bin/tests/system/rpz/ns8/manual-update-rpz.db.in
new file mode 100644
index 0000000..a823448
--- /dev/null
+++ b/bin/tests/system/rpz/ns8/manual-update-rpz.db.in
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; RPZ test
+;   This basic file is copied to several zone files before being used.
+;   Its contents are also changed with nsupdate
+
+
+$TTL 300
+@					SOA	manual-update-rpz.  hostmaster.ns.manual-rpz-update. ( 1 3600 1200 604800 60 )
+					NS	ns.tld3.
+
+walled.tld2.manual-update-rpz.	 300	A	10.0.0.1
diff --git a/bin/tests/system/rpz/ns8/named.conf.in b/bin/tests/system/rpz/ns8/named.conf.in
new file mode 100644
index 0000000..aa8b342
--- /dev/null
+++ b/bin/tests/system/rpz/ns8/named.conf.in
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Main rpz test DNS server.
+ */
+
+options {
+	query-source address 10.53.0.8;
+	notify-source 10.53.0.8;
+	transfer-source 10.53.0.8;
+	port @PORT@;
+	pid-file "named.pid";
+	statistics-file	"named.stats";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.8; };
+	listen-on-v6 { none; };
+	notify yes;
+	minimal-responses no;
+	recursion yes;
+	dnssec-validation yes;
+
+	response-policy {
+	    zone "manual-update-rpz";
+	}
+	// add-soa yes // do not set testing default mode
+	min-ns-dots 0
+	qname-wait-recurse yes
+	min-update-interval 0
+	nsdname-enable yes
+	nsip-enable yes
+	;
+
+	include "../dnsrps.conf";
+	also-notify { 10.53.0.8 port @EXTRAPORT1@; };
+	notify-delay 0;
+};
+
+logging { category rpz { default_debug; }; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+controls {
+	inet 10.53.0.8 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+zone "." { type hint; file "hints"; };
+
+zone "manual-update-rpz." {
+	type primary;
+	file "manual-update-rpz.db";
+	notify no;
+};
diff --git a/bin/tests/system/rpz/ns9/hints b/bin/tests/system/rpz/ns9/hints
new file mode 100644
index 0000000..b657c39
--- /dev/null
+++ b/bin/tests/system/rpz/ns9/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	120	NS	ns.
+ns.	120	A	10.53.0.1
diff --git a/bin/tests/system/rpz/ns9/named.conf.in b/bin/tests/system/rpz/ns9/named.conf.in
new file mode 100644
index 0000000..70297bd
--- /dev/null
+++ b/bin/tests/system/rpz/ns9/named.conf.in
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * DNS64 / RPZ server.
+ */
+
+options {
+	query-source address 10.53.0.9;
+	notify-source 10.53.0.9;
+	transfer-source 10.53.0.9;
+	port @PORT@;
+	pid-file "named.pid";
+	statistics-file	"named.stats";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.9; };
+	listen-on-v6 { none; };
+	notify yes;
+	minimal-responses no;
+	recursion yes;
+	dnssec-validation yes;
+	dns64-server "example.localdomain.";
+        dns64 64:ff9b::/96 { };
+	response-policy {
+	    zone "rpz";
+	}
+	qname-wait-recurse no ;
+
+	include "../dnsrps.conf";
+	notify-delay 0;
+};
+
+logging { category rpz { default_debug; }; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+controls {
+	inet 10.53.0.9 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+zone "." { type hint; file "hints"; };
+
+zone "rpz." {
+	type primary;
+	file "rpz.db";
+	notify no;
+};
diff --git a/bin/tests/system/rpz/ns9/rpz.db b/bin/tests/system/rpz/ns9/rpz.db
new file mode 100644
index 0000000..dcbe5d6
--- /dev/null
+++ b/bin/tests/system/rpz/ns9/rpz.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+rpz.                                    28800 IN SOA      rpz. hostmaster.rpz. 6 10800 3600 2419200 900
+rpz.                                    28800 IN NS       .
+a-only.example.rpz.                     28800 IN CNAME    *.
+no-a-no-aaaa.example.rpz.               28800 IN CNAME    *.
+a-plus-aaaa.example.rpz.                28800 IN CNAME    *.
diff --git a/bin/tests/system/rpz/qperf.sh b/bin/tests/system/rpz/qperf.sh
new file mode 100644
index 0000000..146d1e2
--- /dev/null
+++ b/bin/tests/system/rpz/qperf.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+for QDIR in $(echo "$PATH" | tr : ' ') ../../../../contrib/queryperf; do
+    QPERF=$QDIR/queryperf
+    if test -f "$QPERF" -a -x "$QPERF"; then
+	echo $QPERF
+	exit 0
+    fi
+done
+
+exit 0
diff --git a/bin/tests/system/rpz/setup.sh b/bin/tests/system/rpz/setup.sh
new file mode 100644
index 0000000..75e4957
--- /dev/null
+++ b/bin/tests/system/rpz/setup.sh
@@ -0,0 +1,179 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# touch dnsrps-off to not test with DNSRPS
+
+set -e
+
+. ../conf.sh
+
+QPERF=$($SHELL qperf.sh)
+
+USAGE="$0: [-DNx]"
+DEBUG=
+while getopts "DNx" c; do
+    case $c in
+	x) set -x; DEBUG=-x ;;
+        D) TEST_DNSRPS="-D" ;;
+	N) PARTIAL=-P ;;
+	*) echo "$USAGE" 1>&2; exit 1 ;;
+    esac
+done
+shift $((OPTIND - 1))
+if test "$#" -ne 0; then
+    echo "$USAGE" 1>&2
+    exit 1
+fi
+
+if [ ${NOCLEAN:-unset} = unset ]; then
+    $SHELL clean.sh $PARTIAL $DEBUG
+fi
+
+for dir in ns*; do
+    touch $dir/named.run
+    nextpart $dir/named.run > /dev/null
+done
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+copy_setports ns8/named.conf.in ns8/named.conf
+copy_setports ns9/named.conf.in ns9/named.conf
+copy_setports ns10/named.conf.in ns10/named.conf
+
+copy_setports dnsrpzd.conf.in dnsrpzd.conf
+
+# decide whether to test DNSRPS
+# Note that dnsrps.conf and dnsrps-secondary.conf are included in named.conf
+# and differ from dnsrpz.conf which is used by dnsrpzd.
+$SHELL ../ckdnsrps.sh -A $TEST_DNSRPS $DEBUG
+test -z "$(grep 'dnsrps-enable yes' dnsrps.conf)" && TEST_DNSRPS=
+
+# set up test policy zones.
+#   bl is the main test zone
+#   bl-2 is used to check competing zones.
+#   bl-{given,disabled,passthru,no-data,nxdomain,cname,wildcard,garden,
+#	    drop,tcp-only} are used to check policy overrides in named.conf.
+#   NO-OP is an obsolete synonym for PASSHTRU
+for NM in '' -2 -given -disabled -passthru -no-op -nodata -nxdomain -cname -wildcname -garden -drop -tcp-only; do
+    sed -e "/SOA/s/blx/bl$NM/g" ns3/base.db >ns3/bl$NM.db
+done
+#  bl zones are dynamically updated.  Add one zone that is updated manually.
+cp ns3/manual-update-rpz.db.in ns3/manual-update-rpz.db
+cp ns8/manual-update-rpz.db.in ns8/manual-update-rpz.db
+
+cp ns3/mixed-case-rpz-1.db.in ns3/mixed-case-rpz.db
+
+# a zone that expires quickly and then can't be refreshed
+cp ns5/fast-expire.db.in ns5/fast-expire.db
+cp ns5/expire.conf.in ns5/expire.conf
+
+# $1=directory
+# $2=domain name
+# $3=input zone file
+# $4=output file
+signzone () {
+    KEYNAME=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -K $1 $2)
+    cat $1/$3 $1/$KEYNAME.key > $1/tmp
+    $SIGNER -P -K $1 -o $2 -f $1/$4 $1/tmp >/dev/null
+    sed -n -e 's/\(.*\) IN DNSKEY \([0-9]\{1,\} [0-9]\{1,\} [0-9]\{1,\}\) \(.*\)/trust-anchors {"\1" static-key \2 "\3";};/p' $1/$KEYNAME.key >>trusted.conf
+    DSFILENAME=dsset-${2}.
+    rm $DSFILENAME $1/tmp
+}
+signzone ns2 tld2s base-tld2s.db tld2s.db
+
+# Performance and a few other checks.
+cat <<EOF >ns5/rpz-switch
+response-policy {
+	zone "bl0"; zone "bl1"; zone "bl2"; zone "bl3"; zone "bl4";
+	zone "bl5"; zone "bl6"; zone "bl7"; zone "bl8"; zone "bl9";
+	zone "bl10"; zone "bl11"; zone "bl12"; zone "bl13"; zone "bl14";
+	zone "bl15"; zone "bl16"; zone "bl17"; zone "bl18"; zone "bl19";
+    } recursive-only no
+    qname-wait-recurse no
+    nsip-enable yes
+    nsdname-enable yes
+    max-policy-ttl 90
+    break-dnssec yes
+    ;
+EOF
+
+cat <<EOF >ns5/example.db
+\$TTL	300
+@	SOA	.  hostmaster.ns.example.tld5. ( 1 3600 1200 604800 60 )
+	NS	ns
+	NS	ns1
+ns	A	10.53.0.5
+ns1	A	10.53.0.5
+EOF
+
+cat <<EOF >ns5/bl.db
+\$TTL	300
+@		SOA	.  hostmaster.ns.blperf. ( 1 3600 1200 604800 60 )
+		NS	ns.tld5.
+
+; for "qname-wait-recurse no" in #35 test1
+x.servfail	A	35.35.35.35
+; for "recursive-only no" in #8 test5
+a3-5.tld2	CNAME	.
+; for "break-dnssec" in #9 & #10 test5
+a3-5.tld2s	CNAME	.
+; for "max-policy-ttl 90" in #17 test5
+a3-17.tld2	500 A	17.17.17.17
+
+; dummy NSDNAME policy to trigger lookups
+ns1.x.rpz-nsdname	CNAME	.
+EOF
+
+if test -n "$QPERF"; then
+    # Do not build the full zones if we will not use them.
+    $PERL -e 'for ($val = 1; $val <= 65535; ++$val) {
+	printf("host-%05d\tA    192.168.%d.%d\n", $val, $val/256, $val%256);
+	}' >>ns5/example.db
+
+    echo >>ns5/bl.db
+    echo "; rewrite some names" >>ns5/bl.db
+    $PERL -e 'for ($val = 2; $val <= 65535; $val += 69) {
+	printf("host-%05d.example.tld5\tCNAME\t.\n", $val);
+	}' >>ns5/bl.db
+
+    echo >>ns5/bl.db
+    echo "; rewrite with some not entirely trivial patricia trees" >>ns5/bl.db
+    $PERL -e 'for ($val = 3; $val <= 65535; $val += 69) {
+	printf("32.%d.%d.168.192.rpz-ip  \tCNAME\t.\n",
+		$val%256, $val/256);
+	}' >>ns5/bl.db
+fi
+
+# some psuedo-random queryperf requests
+$PERL -e 'for ($cnt = $val = 1; $cnt <= 3000; ++$cnt) {
+	printf("host-%05d.example.tld5 A\n", $val);
+	$val = ($val * 9 + 32771) % 65536;
+	}' >ns5/requests
+
+cp ns2/bl.tld2.db.in ns2/bl.tld2.db
+cp ns5/empty.db.in ns5/empty.db
+cp ns5/empty.db.in ns5/policy2.db
+cp ns6/bl.tld2s.db.in ns6/bl.tld2s.db
+
+# Run dnsrpzd to get the license and prime the static policy zones
+if test -n "$TEST_DNSRPS"; then
+   DNSRPZD="$(../rpz/dnsrps -p)"
+   cd ns3
+   "$DNSRPZ" -D../dnsrpzd.rpzf -S../dnsrpzd.sock -C../dnsrpzd.conf \
+             -w 0 -dddd -L stdout >./dnsrpzd.run 2>&1
+fi
diff --git a/bin/tests/system/rpz/test1 b/bin/tests/system/rpz/test1
new file mode 100644
index 0000000..3dc0375
--- /dev/null
+++ b/bin/tests/system/rpz/test1
@@ -0,0 +1,99 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+
+
+
+; Use comment lines instead of blank lines to combine update requests into
+;	single requests
+; Separate update requests for distinct TLDs with blank lines or 'send'
+; End the file with a blank line or 'send'
+
+server 10.53.0.3 @PORT@
+
+; QNAME tests
+
+; NXDOMAIN
+;	2, 25
+update add  a0-1.tld2.bl.	300 CNAME .
+; NODATA
+;	3
+update add  a3-1.tld2.bl.	300 CNAME *.
+; and no assert-botch
+;	4, 5
+update add  a3-2.tld2.bl.	300 DNAME example.com.
+;
+; NXDOMAIN for a4-2-cname.tld2 via its target a4-2.tld2.
+;	6 and 7
+update add  a4-2.tld2.bl	300 CNAME .
+;	8
+; NODATA for a4-3-cname.tld2 via its target a4-3.tld2.
+update add  a4-3.tld2.bl	300 CNAME *.
+;
+; replace the A for a4-1.sub1.tld2 with 12.12.12.12
+;	9
+update add  a4-1.sub1.tld2.bl.	300 A 12.12.12.12
+;
+; replace the A for *.sub2.tld2 with 12.12.12.12
+;	10
+update add  a4-1.sub2.tld2.bl.	300 A 12.12.12.12
+;
+; replace NXDOMAIN for {nxc1,nxc2}.sub1.tld2 with 12.12.12.12 using CNAMEs
+;	11
+update add nxc1.sub1.tld2.bl.	300 CNAME a12.tld2.
+;	12
+update add nxc2.sub1.tld2.bl.	300 CNAME a12-cname.tld2.
+;
+; prefer the first conflicting zone
+;	13
+update add a4-4.tld2.bl.	300 A	127.4.4.1
+update add a6-1.tld2.bl.	300 CNAME a6-1.tld2.
+update add a6-2.tld2.bl.	300 A	127.6.2.1
+update add a6-1.tld2.bl.	300 A	127.6.1.1
+update add a6-2.tld2.bl.	300 CNAME a6-2.tld2.
+send
+update add a4-4.tld2.bl-2.	300 A	127.4.4.2
+send
+
+; wildcard CNAME
+;	16
+update add  a3-6.tld2.bl.	300 CNAME *.tld4.
+;	17
+update add  *.sub1.tld2.bl.	300 CNAME *.tld4.
+; CNAME chain
+;	18
+update add  a4-5.tld2.bl.	300 A	127.0.0.16
+; stop at first hit in CNAME chain
+;	19
+update add  a4-6.tld2.bl.	300 CNAME .
+update add  a4-6-cname.tld2.bl.	300 A	127.0.0.17
+; no change instead of NXDOMAIN because +norecurse
+;	20
+update add  a5-2.tld2.bl.	300 CNAME .
+; no change instead of NODATA because +norecurse
+;	21
+update add  a5-3.tld2.bl.	300 CNAME *.
+;	22, 23
+update add  a5-4.tld2.bl.	300 DNAME example.com.
+;
+; assert in rbtdb.c
+;	24
+update	add c1.crash2.tld3.bl.	300 CNAME .
+; DO=1 without signatures, DO=0 with signatures are rewritten
+;	26 - 27
+update add  a0-1.tld2s.bl.	300 CNAME .
+;	32
+update add  a3-8.tld2.bl.	300 CNAME rpz-drop.
+;	33
+update add  a3-9.tld2.bl.	300 CNAME rpz-tcp-only.
+;	34 qname-wait-recurse yes
+update add  x.servfail.bl.	300 A	127.0.0.34
+send
diff --git a/bin/tests/system/rpz/test2 b/bin/tests/system/rpz/test2
new file mode 100644
index 0000000..ad71e3a
--- /dev/null
+++ b/bin/tests/system/rpz/test2
@@ -0,0 +1,77 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+
+
+
+; Use comment lines instead of blank lines to combine update requests into
+;	single requests
+; Separate update requests for distinct TLDs with blank lines or 'send'
+; End the file with a blank line or 'send'
+; CNAME targets are absolute even without trailing "."
+
+; IP tests
+
+server 10.53.0.3 @PORT@
+
+; NODATA a3-1.tld2
+;	1
+update add  32.1.3.168.192.rpz-ip.bl	300 CNAME *.
+;
+; NXDOMAIN for 192.168.4.0/24, the network of a4-1.tld2 and a4-2.tld2
+;	4
+update add  24.0.4.168.192.rpz-ip.bl	300 CNAME .
+;
+; old passthru in NXDOMAIN CIDR block to leave a4-1.tld2 unchanged
+;	3
+update add  32.1.4.168.192.rpz-ip.bl	300 CNAME 32.1.4.168.192
+;
+; NODATA for a4-3.tld2
+;	8
+update add  32.3.4.168.192.rpz-ip.bl	300 CNAME *.
+;
+; NXDOMAIN for IPv6 a3-1.tld2
+;	9
+update add  128.1.zz.3.2.2001.rpz-ip.bl	300 CNAME .
+;
+; apply the policy with the lexically smaller trigger address of 192.168.5.1
+; to an RRset of more than one A RR
+;	11
+update add  32.1.5.168.192.rpz-ip.bl	300 A	127.0.0.1
+update add  32.2.5.168.192.rpz-ip.bl	300 A	127.0.0.2
+;
+; prefer first conflicting IP zone for a5-3.tld2
+;	12
+update add 32.3.5.168.192.rpz-ip.bl	300 A	127.0.0.1
+send
+update add 32.3.5.168.192.rpz-ip.bl-2	300 A	127.0.0.2
+send
+
+; prefer QNAME to IP for a5-4.tld2
+;	13, 14
+update add 32.4.5.168.192.rpz-ip.bl	300 CNAME a12.tld2.
+update add a5-4.tld2.bl			300 CNAME a14.tld4.
+;
+; poke hole in NXDOMAIN CIDR block to leave a4-4.tld2 unchanged
+;	15
+update add  32.4.4.168.192.rpz-ip.bl	300 CNAME rpz-passthru.
+;
+; assert in rbtdb.c
+;	16
+update add 32.16.1.16.172.rpz-ip.bl	300 CNAME .
+send
+update add c2.crash2.tld3.bl-2		300 A	127.0.0.16
+send
+
+; client-IP address trigger
+;	17
+update add 32.1.0.53.10.rpz-client-ip.bl 300 A	127.0.0.17
+send
diff --git a/bin/tests/system/rpz/test3 b/bin/tests/system/rpz/test3
new file mode 100644
index 0000000..222b757
--- /dev/null
+++ b/bin/tests/system/rpz/test3
@@ -0,0 +1,47 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+
+
+; Use comment lines instead of blank lines to combine update requests into
+;	single requests
+; Separate update requests for distinct TLDs with blank lines or 'send'
+; End the file with a blank line or 'send'
+
+; NSDNAME tests
+
+server 10.53.0.3 @PORT@
+
+;	3, 4, 5
+; NXDOMAIN for *.sub1.tld2 by NSDNAME
+update add  *.sub1.tld2.rpz-nsdname.bl.	300 CNAME .
+;
+;	6
+; walled garden for *.sub2.tld2
+update add  *.sub2.tld2.rpz-nsdname.bl.	300 CNAME a12-cname.tld2.
+;
+;	7, 8
+; exempt a3-2.tld2 and anything in 192.168.0.0/24
+;   also checks that IP policies are preferred over NSDNAME policies
+update add  a3-2.tld2.bl		300 CNAME a3-2.tld2.
+update add  24.0.0.168.192.rpz-ip.bl	300 CNAME 24.0.0.168.192.
+;
+;	9
+; prefer QNAME policy to NSDNAME policy
+update add  a4-1.tld2.bl.		300 A 12.12.12.12
+;	10
+; prefer policy for largest NS name
+update add  ns.sub3.tld2.rpz-nsdname.bl.	300 A	127.0.0.1
+update add  ns.subsub.sub3.tld2.rpz-nsdname.bl. 300 A	127.0.0.2
+
+; ip-as-qname rewrites all of tld5
+update add  ns.tld5.bl.			300 A 12.12.12.12
+send
diff --git a/bin/tests/system/rpz/test4 b/bin/tests/system/rpz/test4
new file mode 100644
index 0000000..7b95dd3
--- /dev/null
+++ b/bin/tests/system/rpz/test4
@@ -0,0 +1,36 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+
+
+; Use comment lines instead of blank lines to combine update requests into
+;	single requests
+; Separate update requests for distinct TLDs with blank lines or 'send'
+; End the file with a blank line or 'send'
+
+; NSIP tests
+
+server 10.53.0.3 @PORT@
+
+; NXDOMAIN for all of tld2 based on its server IP address
+update add  32.2.0.53.10.rpz-nsip.bl.	300 CNAME .
+;
+; exempt a3-2.tld2 and anything in 192.168.0.0/24
+;   also checks that IP policies are preferred over NSIP policies
+update add  a3-2.tld2.bl		300 CNAME a3-2.tld2.
+update add  24.0.0.168.192.rpz-ip.bl	300 CNAME 24.0.0.168.192.
+;
+; prefer NSIP policy to NSDNAME policy
+update add  ns.tld2.rpz-nsdname.bl.	300 CNAME 10.0.0.1
+
+; ip-as-ns rewrites all of tld5
+update add  32.5.0.53.10.rpz-ip.bl.	300 A 12.12.12.12
+send
diff --git a/bin/tests/system/rpz/test4a b/bin/tests/system/rpz/test4a
new file mode 100644
index 0000000..83a175d
--- /dev/null
+++ b/bin/tests/system/rpz/test4a
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+
+
+; Use comment lines instead of blank lines to combine update requests into
+;	single requests
+; Separate update requests for distinct TLDs with blank lines or 'send'
+; End the file with a blank line or 'send'
+
+; walled-garden NSIP tests
+
+server 10.53.0.3 @PORT@
+
+; rewrite all of tld2 based on its server IP address
+update add  32.2.0.53.10.rpz-nsip.bl.	300 A	    41.41.41.41
+update add  32.2.0.53.10.rpz-nsip.bl.	300 AAAA    2041::41
+update add  32.2.0.53.10.rpz-nsip.bl.	300 TXT	    "NSIP walled garden"
+send
diff --git a/bin/tests/system/rpz/test5 b/bin/tests/system/rpz/test5
new file mode 100644
index 0000000..f30a6be
--- /dev/null
+++ b/bin/tests/system/rpz/test5
@@ -0,0 +1,60 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+
+
+; Use comment lines instead of blank lines to combine update requests into
+;	single requests
+; Separate update requests for distinct TLDs with blank lines or 'send'
+; End the file with a blank line or 'send'
+
+; the policies or replacements specified in ns3/named.conf override these
+
+server 10.53.0.3 @PORT@
+
+;	1
+update add  a3-1.tld2.bl-given.	    300 A 127.0.0.1
+send
+;	2
+update add  a3-2.tld2.bl-passthru.  300 A 127.0.0.2
+send
+;	3
+update add  a3-3.tld2.bl-no-op.	    300 A 127.0.0.3
+send
+;	4
+update add  a3-4.tld2.bl-disabled.  300 A 127.0.0.4
+send
+;	5 - 7
+update add  a3-5.tld2.bl-nodata.    300 A 127.0.0.5
+send
+;	11
+update add  a3-6.tld2.bl-nxdomain.  300 A 127.0.0.11
+send
+;	12
+update add  a3-7.tld2.bl-cname.	    300 A 127.0.0.12
+send
+;	13
+update add  a3-8.tld2.bl-wildcname. 300 A 127.0.0.13
+;	14
+update add  *.sub9.tld2.bl-wildcname. 300 A 127.0.1.14
+send
+;	15
+update add  a3-15.tld2.bl-garden.   300 A 127.0.0.15
+send
+;	16
+update add  a3-16.tld2.bl.	    300 A 127.0.0.16
+send
+;	18
+update add  a3-18.tld2.bl-drop.	    300 A 127.0.0.18
+send
+;	19
+update add  a3-19.tld2.bl-tcp-only. 300 A 127.0.0.19
+send
diff --git a/bin/tests/system/rpz/test6 b/bin/tests/system/rpz/test6
new file mode 100644
index 0000000..e5c2381
--- /dev/null
+++ b/bin/tests/system/rpz/test6
@@ -0,0 +1,37 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+
+
+; Use comment lines instead of blank lines to combine update requests into
+;	single requests
+; Separate update requests for distinct TLDs with blank lines or 'send'
+; End the file with a blank line or 'send'
+
+server 10.53.0.3 @PORT@
+
+; Poke the radix tree a little.
+update add  128.1111.2222.3333.4444.5555.6666.7777.8888.rpz-ip.bl. 300 CNAME .
+update add  128.1111.2222.3333.4444.5555.6666.zz.rpz-ip.bl.	300 CNAME   .
+update add  128.1111.2222.3333.4444.5555.zz.8888.rpz-ip.bl.	300 CNAME   .
+update add  128.1111.2222.3333.4444.zz.8888.rpz-ip.bl.		300 CNAME   .
+update add  128.zz.3333.4444.0.0.8888.rpz-ip.bl.		300 CNAME   .
+update add  128.zz.3333.4444.0.7777.8888.rpz-ip.bl.		300 CNAME   .
+update add  128.zz.3333.4444.0.8777.8888.rpz-ip.bl.		300 CNAME   .
+update add  127.zz.3333.4444.0.8777.8888.rpz-ip.bl.		300 CNAME   .
+;
+;
+; regression testing for some old crashes
+update add  redirect.bl.	300 A		127.0.0.1
+update add  *.redirect.bl.	300 A		127.0.0.1
+update add  *.credirect.bl.	300 CNAME	google.com.
+;
+send
diff --git a/bin/tests/system/rpz/tests.sh b/bin/tests/system/rpz/tests.sh
new file mode 100644
index 0000000..658250e
--- /dev/null
+++ b/bin/tests/system/rpz/tests.sh
@@ -0,0 +1,1020 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# test response policy zones (RPZ)
+
+# touch dnsrps-off to not test with DNSRPS
+# touch dnsrps-only to not test with classic RPZ
+
+. ../conf.sh
+
+ns=10.53.0
+ns1=$ns.1		# root, defining the others
+ns2=$ns.2		# authoritative server whose records are rewritten
+ns3=$ns.3		# main rewriting resolver
+ns4=$ns.4		# another authoritative server that is rewritten
+ns5=$ns.5		# another rewriting resolver
+ns6=$ns.6		# a forwarding server
+ns7=$ns.7		# another rewriting resolver
+ns8=$ns.8		# another rewriting resolver
+ns9=$ns.9		# another rewriting resolver
+ns10=$ns.10		# authoritative server
+
+HAVE_CORE=
+
+status=0
+t=0
+
+DEBUG=
+SAVE_RESULTS=
+ARGS=
+
+USAGE="$0: [-xS]"
+while getopts "xS:" c; do
+    case $c in
+	x) set -x; DEBUG=-x; ARGS="$ARGS -x";;
+	S) SAVE_RESULTS=-S; ARGS="$ARGS -S";;
+	*) echo "$USAGE" 1>&2; exit 1;;
+    esac
+done
+shift $((OPTIND - 1))
+if test "$#" -ne 0; then
+    echo "$USAGE" 1>&2
+    exit 1
+fi
+# really quit on control-C
+trap 'exit 1' 1 2 15
+
+TS='%H:%M:%S '
+TS=
+comment () {
+    if test -n "$TS"; then
+	date "+${TS}$*" | cat_i
+    fi
+}
+
+DNSRPSCMD=./dnsrps
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+if test -x "$DNSRPSCMD"; then
+    # speed up the many delays for dnsrpzd by waiting only 0.1 seconds
+    WAIT_CMD="$DNSRPSCMD -w 0.1"
+    TEN_SECS=100
+else
+    WAIT_CMD="sleep 1"
+    TEN_SECS=10
+fi
+
+digcmd () {
+    if test "$1" = TCP; then
+	shift
+    fi
+    # Default to +noauth and @$ns3
+    # Also default to -bX where X is the @value so that OS X will choose
+    #	    the right IP source address.
+    digcmd_args=$(echo "+nocookie +noadd +time=2 +tries=1 -p ${PORT} $*" |	\
+	    sed -e "/@/!s/.*/& @$ns3/"					\
+		-e '/-b/!s/@\([^ ]*\)/@\1 -b\1/'			\
+		-e '/+n?o?auth/!s/.*/+noauth &/')
+    #echo_i "dig $digcmd_args 1>&2
+    $DIG $digcmd_args || return
+}
+
+# set DIGNM=file name for dig output
+GROUP_NM=
+TEST_NUM=0
+make_dignm () {
+    TEST_NUM=$((TEST_NUM + 1))
+    DIGNM=dig.out$GROUP_NM-$TEST_NUM
+    while test -f $DIGNM; do
+	DIGNM="$DIGNM+"
+    done
+}
+
+setret () {
+    ret=1
+    status=$((status + 1))
+    echo_i "$*"
+}
+
+# set $SN to the SOA serial number of a zone
+# $1=domain
+# $2=DNS server and client IP address
+get_sn() {
+    SOA=$($DIG -p ${PORT} +short +norecurse soa "$1" "@$2" "-b$2")
+    SN=$(expr "$SOA" : '[^ ]* [^ ]* \([^ ]*\) .*' || true)
+    test "$SN" != "" && return
+    echo_i "no serial number from \`dig -p ${PORT} soa $1 @$2\` in \"$SOA\""
+    exit 1
+}
+
+get_sn_fast () {
+    RSN=$($DNSRPSCMD -n "$1")
+    #echo "dnsrps serial for $1 is $RSN"
+    if test -z "$RSN"; then
+	echo_i "dnsrps failed to get SOA serial number for $1"
+	exit 1
+    fi
+}
+
+# check that dnsrpzd has loaded its zones
+# $1=domain
+# $2=DNS server IP address
+FZONES=$(sed -n -e 's/^zone "\(.*\)".*\(10.53.0..\).*/Z=\1;M=\2/p' dnsrpzd.conf)
+dnsrps_loaded() {
+    test "$mode" = dnsrps || return 0
+    n=0
+    for V in $FZONES; do
+	eval "$V"
+	get_sn $Z $M
+	while true; do
+	    get_sn_fast "$Z"
+	    if test "$SN" -eq "0$RSN"; then
+		#echo "$Z @$M serial=$SN"
+		break
+	    fi
+	    n=$((n + 1))
+	    if test "$n" -gt $TEN_SECS; then
+		echo_i "dnsrps serial for $Z is $RSN instead of $SN"
+		exit 1
+	    fi
+	    $WAIT_CMD
+	done
+    done
+}
+
+# check the serial number in an SOA to ensure that a policy zone has
+#   been (re)loaded
+# $1=serial number
+# $2=domain
+# $3=DNS server
+ck_soa() {
+    n=0
+    while true; do
+	if test "$mode" = dnsrps; then
+	    get_sn_fast "$2"
+	    test "$RSN" -eq "$1" && return
+	else
+	    get_sn "$2" "$3"
+	    test "$SN" -eq "$1" && return
+	fi
+	n=$((n + 1))
+	if test "$n" -gt $TEN_SECS; then
+	    echo_i "got serial number \"$SN\" instead of \"$1\" from $2 @$3"
+	    return
+	fi
+	$WAIT_CMD
+    done
+}
+
+# (re)load the response policy zones with the rules in the file $TEST_FILE
+load_db () {
+    if test -n "$TEST_FILE"; then
+        copy_setports $TEST_FILE tmp
+	if $NSUPDATE -v tmp; then :
+	    $RNDCCMD $ns3 sync
+	else
+	    echo_i "failed to update policy zone with $TEST_FILE"
+	    $RNDCCMD $ns3 sync
+	    exit 1
+	fi
+        rm -f tmp
+    fi
+}
+
+# restart name server
+# $1 ns number
+# $2 rebuild bl rpz zones if "rebuild-bl-rpz"
+restart () {
+    # try to ensure that the server really has stopped
+    # and won't mess with ns$1/name.pid
+    if test -z "$HAVE_CORE" -a -f ns$1/named.pid; then
+	$RNDCCMD $ns$1 halt >/dev/null 2>&1
+	if test -f ns$1/named.pid; then
+	    sleep 1
+	    PID=$(cat ns$1/named.pid 2>/dev/null)
+	    if test -n "$PID"; then
+		echo_i "killing ns$1 server $PID"
+		kill -9 $PID
+	    fi
+	fi
+    fi
+    rm -f ns$1/*.jnl
+    if [ "$2" = "rebuild-bl-rpz" ]; then
+        if test -f ns$1/base.db; then
+	    for NM in ns$1/bl*.db; do
+	        cp -f ns$1/base.db $NM
+            done
+        fi
+    fi
+    start_server --noclean --restart --port ${PORT} ns$1
+    load_db
+    dnsrps_loaded
+    sleep 1
+}
+
+# $1=server and irrelevant args
+# $2=error message
+ckalive () {
+    CKALIVE_NS=$(expr "$1" : '.*@ns\([1-9]\).*' || true)
+    if test -z "$CKALIVE_NS"; then
+	CKALIVE_NS=3
+    fi
+    eval CKALIVE_IP=\$ns$CKALIVE_NS
+    $RNDCCMD $CKALIVE_IP status >/dev/null 2>&1 && return 0
+    HAVE_CORE=yes
+    setret "$2"
+    # restart the server to avoid stalling waiting for it to stop
+    restart $CKALIVE_NS "rebuild-bl-rpz"
+    return 0
+}
+
+resetstats () {
+        NSDIR=$1
+        eval "${NSDIR}_CNT=''"
+}
+
+ckstats () {
+    HOST=$1
+    LABEL="$2"
+    NSDIR="$3"
+    EXPECTED="$4"
+    $RNDCCMD $HOST stats
+    NEW_CNT=$(sed -n -e 's/[	 ]*\([0-9]*\).response policy.*/\1/p'  \
+		    $NSDIR/named.stats | tail -1)
+    eval "OLD_CNT=\$${NSDIR}_CNT"
+    NEW_CNT=$((NEW_CNT))
+    OLD_CNT=$((OLD_CNT))
+    GOT=$((NEW_CNT - OLD_CNT))
+    if test "$GOT" -ne "$EXPECTED"; then
+	setret "wrong $LABEL $NSDIR statistics of $GOT instead of $EXPECTED"
+    fi
+    eval "${NSDIR}_CNT=$NEW_CNT"
+}
+
+ckstatsrange () {
+    HOST=$1
+    LABEL="$2"
+    NSDIR="$3"
+    MIN="$4"
+    MAX="$5"
+    $RNDCCMD $HOST stats
+    NEW_CNT=$(sed -n -e 's/[	 ]*\([0-9]*\).response policy.*/\1/p'  \
+		    $NSDIR/named.stats | tail -1)
+    eval "OLD_CNT=\$${NSDIR}_CNT"
+    NEW_CNT=$((NEW_CNT))
+    OLD_CNT=$((OLD_CNT))
+    GOT=$((NEW_CNT - OLD_CNT))
+    if test "$GOT" -lt "$MIN" -o "$GOT" -gt "$MAX"; then
+	setret "wrong $LABEL $NSDIR statistics of $GOT instead of ${MIN}..${MAX}"
+    fi
+    eval "${NSDIR}_CNT=$NEW_CNT"
+}
+
+# $1=message
+# $2=optional test file name
+start_group () {
+    ret=0
+    t=$((t + 1))
+    test -n "$1" && date "+${TS}checking $1 (${t})" | cat_i
+    TEST_FILE=$2
+    if test -n "$TEST_FILE"; then
+	GROUP_NM="-$TEST_FILE"
+	load_db
+    else
+	GROUP_NM=
+    fi
+    dnsrps_loaded
+    TEST_NUM=0
+}
+
+end_group () {
+    if test -n "$TEST_FILE"; then
+	# remove the previous set of test rules
+        copy_setports $TEST_FILE tmp
+	sed -e 's/[	 ]add[	 ]/ delete /' tmp | $NSUPDATE
+        rm -f tmp
+	TEST_FILE=
+    fi
+    ckalive $ns3 "failed; ns3 server crashed and restarted"
+    dnsrps_loaded
+    GROUP_NM=
+}
+
+clean_result () {
+    if test -z "$SAVE_RESULTS"; then
+	rm -f $*
+    fi
+}
+
+# $1=dig args
+# $2=other dig output file
+ckresult () {
+    #ckalive "$1" "server crashed by 'dig $1'" || return 1
+    expr "$1" : 'TCP ' > /dev/null && tcp=1 || tcp=0
+    digarg=${1#TCP }
+
+    if grep "flags:.* aa .*ad;" $DIGNM; then
+	setret "'dig $digarg' AA and AD set;"
+    elif grep "flags:.* aa .*ad;" $DIGNM; then
+	setret "'dig $digarg' AD set;"
+    fi
+
+    if $PERL ../digcomp.pl $DIGNM $2 >/dev/null; then
+	grep -q 'Truncated, retrying in TCP' $DIGNM && trunc=1 || trunc=0
+	if [ "$tcp" -ne "$trunc" ]; then
+	    setret "'dig $digarg' wrong; no or unexpected truncation in $DIGNM"
+	else
+	    clean_result ${DIGNM}*
+	fi
+	return 0
+    fi
+    setret "'dig $digarg' wrong; diff $DIGNM $2"
+    return 0
+}
+
+# check only that the server does not crash
+# $1=target domain
+# $2=optional query type
+nocrash () {
+    digcmd $* >/dev/null
+    ckalive "$*" "server crashed by 'dig $*'"
+}
+
+
+# check rewrite to NXDOMAIN
+# $1=target domain
+# $2=optional query type
+nxdomain () {
+    make_dignm
+    digcmd $*								\
+	| sed -e 's/^[a-z].*	IN	CNAME	/;xxx &/'		\
+		-e 's/^[a-z].*	IN	RRSIG	/;xxx &/'		\
+	    >$DIGNM
+    ckresult "$*" proto.nxdomain
+}
+
+# check rewrite to NODATA
+# $1=target domain
+# $2=optional query type
+nodata () {
+    make_dignm
+    digcmd $*								\
+	| sed -e 's/^[a-z].*	IN	CNAME	/;xxx &/' >$DIGNM
+    ckresult "$*" proto.nodata
+}
+
+# check rewrite to an address
+#   modify the output so that it is easily compared, but save the original line
+# $1=IPv4 address
+# $2=digcmd args
+# $3=optional TTL
+addr () {
+    ADDR=$1
+    make_dignm
+    digcmd $2 >$DIGNM
+    #ckalive "$2" "server crashed by 'dig $2'" || return 1
+    ADDR_ESC=$(echo "$ADDR" | sed -e 's/\./\\./g')
+    ADDR_TTL=$(sed -n -e "s/^[-.a-z0-9]\{1,\}[	 ]*\([0-9]*\)	IN	AA*	${ADDR_ESC}\$/\1/p" $DIGNM)
+    if test -z "$ADDR_TTL"; then
+	setret "'dig $2' wrong; no address $ADDR record in $DIGNM"
+	return 0
+    fi
+    if test -n "$3" && test "$ADDR_TTL" -ne "$3"; then
+	setret "'dig $2' wrong; TTL=$ADDR_TTL instead of $3 in $DIGNM"
+	return 0
+    fi
+    clean_result ${DIGNM}*
+}
+
+# Check that a response is not rewritten
+#   Use $ns1 instead of the authority for most test domains, $ns2 to prevent
+#   spurious differences for `dig +norecurse`
+# $1=optional "TCP"
+# remaining args for dig
+nochange () {
+    make_dignm
+    digcmd $* >$DIGNM
+    digcmd $* @$ns1 >${DIGNM}_OK
+    ckresult "$*" ${DIGNM}_OK && clean_result ${DIGNM}_OK
+}
+
+nochange_ns10 () {
+    make_dignm
+    digcmd $* >$DIGNM
+    digcmd $* @$ns10 >${DIGNM}_OK
+    ckresult "$*" ${DIGNM}_OK && clean_result ${DIGNM}_OK
+}
+
+# check against a 'here document'
+here () {
+    make_dignm
+    sed -e 's/^[	 ]*//' >${DIGNM}_OK
+    digcmd $* >$DIGNM
+    ckresult "$*" ${DIGNM}_OK
+}
+
+# check dropped response
+DROPPED='^;; no servers could be reached'
+drop () {
+    make_dignm
+    digcmd $* >$DIGNM || true
+    if grep "$DROPPED" $DIGNM >/dev/null; then
+	clean_result ${DIGNM}*
+	return 0
+    fi
+    setret "'dig $1' wrong; response in $DIGNM"
+    return 0
+}
+
+nsd() {
+  $NSUPDATE -p ${PORT} << EOF
+  server $1
+  ttl 300
+  update $2 $3 IN CNAME .
+  update $2 $4 IN CNAME .
+  send
+EOF
+  sleep 2
+}
+
+#
+# generate prototype NXDOMAIN response to compare against.
+#
+make_proto_nxdomain() {
+  digcmd nonexistent @$ns2 >proto.nxdomain || return 1
+  grep "status: NXDOMAIN" proto.nxdomain >/dev/null || return 1
+  return 0
+}
+
+#
+# generate prototype NODATA response to compare against.
+#
+make_proto_nodata() {
+  digcmd txt-only.tld2 @$ns2 >proto.nodata || return 1
+  grep "status: NOERROR" proto.nodata >/dev/null || return 1
+  return 0
+}
+
+# ensure that the fast-expire zone is populated before we begin testing
+$RNDCCMD $ns3 retransfer fast-expire
+
+native=0
+dnsrps=0
+for mode in native dnsrps; do
+  status=0
+  case ${mode} in
+  native)
+    if [ -e dnsrps-only ] ; then
+      echo_i "'dnsrps-only' found: skipping native RPZ sub-test"
+      continue
+    else
+      echo_i "running native RPZ sub-test"
+    fi
+    ;;
+  dnsrps)
+    if [ -e dnsrps-off ] ; then
+      echo_i "'dnsrps-off' found: skipping DNSRPS sub-test"
+      continue
+    fi
+    echo_i "attempting to configure servers with DNSRPS..."
+    stop_server --use-rndc --port ${CONTROLPORT}
+    $SHELL ./setup.sh -N -D $DEBUG
+    for server in ns*; do
+      resetstats $server
+    done
+    sed -n 's/^## //p' dnsrps.conf | cat_i
+    if grep '^#fail' dnsrps.conf >/dev/null; then
+      echo_i "exit status: 1"
+      exit 1
+    fi
+    if grep '^#skip' dnsrps.conf > /dev/null; then
+      echo_i "DNSRPS sub-test skipped"
+      continue
+    else
+      echo_i "running DNSRPS sub-test"
+      start_server --noclean --restart --port ${PORT}
+      sleep 3
+    fi
+    ;;
+  esac
+
+  # make prototype files to check against rewritten results
+  retry_quiet 10 make_proto_nxdomain
+  retry_quiet 10 make_proto_nodata
+
+  start_group "QNAME rewrites" test1
+  nochange .					# 1 do not crash or rewrite root
+  nxdomain a0-1.tld2				# 2
+  nodata a3-1.tld2				# 3
+  nodata a3-2.tld2				# 4 nodata at DNAME itself
+  nochange sub.a3-2.tld2			# 5 miss where DNAME might work
+  nxdomain a4-2.tld2				# 6 rewrite based on CNAME target
+  nxdomain a4-2-cname.tld2			# 7
+  nodata a4-3-cname.tld2			# 8
+  addr 12.12.12.12  a4-1.sub1.tld2		# 9 A replacement
+  addr 12.12.12.12  a4-1.sub2.tld2		# 10 A replacement with wildcard
+  addr 12.12.12.12  nxc1.sub1.tld2		# 11 replace NXDOMAIN with CNAME
+  addr 12.12.12.12  nxc2.sub1.tld2		# 12 replace NXDOMAIN with CNAME chain
+  addr 127.4.4.1    a4-4.tld2			# 13 prefer 1st conflicting QNAME zone
+  nochange a6-1.tld2				# 14
+  addr 127.6.2.1    a6-2.tld2			# 15
+  addr 56.56.56.56  a3-6.tld2			# 16 wildcard CNAME
+  addr 57.57.57.57  a3-7.sub1.tld2		# 17 wildcard CNAME
+  addr 127.0.0.16   a4-5-cname3.tld2		# 18 CNAME chain
+  addr 127.0.0.17   a4-6-cname3.tld2		# 19 stop short in CNAME chain
+  nochange a5-2.tld2 +norecurse			# 20 check that RD=1 is required
+  nochange a5-3.tld2 +norecurse			# 21
+  nochange a5-4.tld2 +norecurse			# 22
+  nochange sub.a5-4.tld2 +norecurse		# 23
+  nxdomain c1.crash2.tld3			# 24 assert in rbtdb.c
+  nxdomain a0-1.tld2  +dnssec			# 25 simple DO=1 without signatures
+  nxdomain a0-1.tld2s +nodnssec			# 26 simple DO=0 with signatures
+  nochange a0-1.tld2s +dnssec			# 27 simple DO=1 with signatures
+  nxdomain a0-1s-cname.tld2s +dnssec		# 28 DNSSEC too early in CNAME chain
+  nochange a0-1-scname.tld2  +dnssec		# 29 DNSSEC on target in CNAME chain
+  nochange a0-1.tld2s srv +auth +dnssec		# 30 no write for DNSSEC and no record
+  nxdomain a0-1.tld2s srv +nodnssec		# 31
+  drop a3-8.tld2 any				# 32 drop
+  nochange TCP a3-9.tld2			# 33 tcp-only
+  here x.servfail <<'EOF'			# 34 qname-wait-recurse yes
+    ;; status: SERVFAIL, x
+EOF
+  addr 35.35.35.35 "x.servfail @$ns5"		# 35 qname-wait-recurse no
+  end_group
+  ckstats $ns3 test1 ns3 22
+  ckstats $ns5 test1 ns5 1
+  ckstats $ns6 test1 ns6 0
+
+  start_group "NXDOMAIN/NODATA action on QNAME trigger" test1
+  nxdomain a0-1.tld2 @$ns6			# 1
+  nodata a3-1.tld2 @$ns6			# 2
+  nodata a3-2.tld2 @$ns6			# 3 nodata at DNAME itself
+  nxdomain a4-2.tld2 @$ns6			# 4 rewrite based on CNAME target
+  nxdomain a4-2-cname.tld2 @$ns6		# 5
+  nodata a4-3-cname.tld2 @$ns6			# 6
+  addr 12.12.12.12  "a4-1.sub1.tld2 @$ns6"	# 7 A replacement
+  addr 12.12.12.12  "a4-1.sub2.tld2 @$ns6"	# 8 A replacement with wildcard
+  addr 127.4.4.1    "a4-4.tld2 @$ns6"		# 9 prefer 1st conflicting QNAME zone
+  addr 12.12.12.12  "nxc1.sub1.tld2 @$ns6"	# 10 replace NXDOMAIN w/ CNAME
+  addr 12.12.12.12  "nxc2.sub1.tld2 @$ns6"	# 11 replace NXDOMAIN w/ CNAME chain
+  addr 127.6.2.1    "a6-2.tld2 @$ns6"		# 12
+  addr 56.56.56.56  "a3-6.tld2 @$ns6"		# 13 wildcard CNAME
+  addr 57.57.57.57  "a3-7.sub1.tld2 @$ns6"	# 14 wildcard CNAME
+  addr 127.0.0.16   "a4-5-cname3.tld2 @$ns6"	# 15 CNAME chain
+  addr 127.0.0.17   "a4-6-cname3.tld2 @$ns6"	# 16 stop short in CNAME chain
+  nxdomain c1.crash2.tld3 @$ns6			# 17 assert in rbtdb.c
+  nxdomain a0-1.tld2 +dnssec @$ns6		# 18 simple DO=1 without sigs
+  nxdomain a0-1s-cname.tld2s  +dnssec @$ns6	# 19
+  drop a3-8.tld2 any @$ns6			# 20 drop
+  end_group
+  ckstatsrange $ns3 test1 ns3 22 30
+  ckstats $ns5 test1 ns5 0
+  ckstats $ns6 test1 ns6 0
+
+  start_group "IP rewrites" test2
+  nodata a3-1.tld2				# 1 NODATA
+  nochange a3-2.tld2				# 2 no policy record so no change
+  nochange a4-1.tld2				# 3 obsolete PASSTHRU record style
+  nxdomain a4-2.tld2				# 4
+  nochange a4-2.tld2 -taaaa			# 5 no A => no policy rewrite
+  nochange a4-2.tld2 -ttxt			# 6 no A => no policy rewrite
+  nxdomain a4-2.tld2 -tany			# 7 no A => no policy rewrite
+  nodata a4-3.tld2				# 8
+  nxdomain a3-1.tld2 -taaaa			# 9 IPv6 policy
+  nochange a4-1-aaaa.tld2 -taaaa		# 10
+  addr 127.0.0.1 a5-1-2.tld2			# 11 prefer smallest policy address
+  addr 127.0.0.1 a5-3.tld2			# 12 prefer first conflicting IP zone
+  nochange a5-4.tld2 +norecurse			# 13 check that RD=1 is required for #14
+  addr 14.14.14.14 a5-4.tld2			# 14 prefer QNAME to IP
+  nochange a4-4.tld2				# 15 PASSTHRU
+  nxdomain c2.crash2.tld3			# 16 assert in rbtdb.c
+  addr 127.0.0.17 "a4-4.tld2 -b $ns1"		# 17 client-IP address trigger
+  nxdomain a7-1.tld2				# 18 secondary policy zone (RT34450)
+  # updating an response zone policy
+  cp ns2/blv2.tld2.db.in ns2/bl.tld2.db
+  rndc_reload ns2 $ns2 bl.tld2
+  ck_soa 2 bl.tld2 $ns3
+  nochange a7-1.tld2				# 19 PASSTHRU
+  # ensure that a clock tick has occurred so that named will do the reload
+  sleep 1
+  cp ns2/blv3.tld2.db.in ns2/bl.tld2.db
+  rndc_reload ns2 $ns2 bl.tld2
+  ck_soa 3 bl.tld2 $ns3
+  nxdomain a7-1.tld2				# 20 secondary policy zone (RT34450)
+  end_group
+  ckstats $ns3 test2 ns3 12
+
+  # check that IP addresses for previous group were deleted from the radix tree
+  start_group "radix tree deletions"
+  nochange a3-1.tld2
+  nochange a3-2.tld2
+  nochange a4-1.tld2
+  nochange a4-2.tld2
+  nochange a4-2.tld2 -taaaa
+  nochange a4-2.tld2 -ttxt
+  nochange a4-2.tld2 -tany
+  nochange a4-3.tld2
+  nochange a3-1.tld2 -tAAAA
+  nochange a4-1-aaaa.tld2 -tAAAA
+  nochange a5-1-2.tld2
+  end_group
+  ckstats $ns3 'radix tree deletions' ns3 0
+
+  # these tests assume "min-ns-dots 0"
+  start_group "NSDNAME rewrites" test3
+  nextpart ns3/named.run > /dev/null
+  nochange a3-1.tld2				# 1
+  nochange a3-1.tld2 +dnssec			# 2 this once caused problems
+  nxdomain a3-1.sub1.tld2			# 3 NXDOMAIN *.sub1.tld2 by NSDNAME
+  nxdomain a3-1.subsub.sub1.tld2		# 4
+  nxdomain a3-1.subsub.sub1.tld2 -tany		# 5
+  addr 12.12.12.12 a4-2.subsub.sub2.tld2	# 6 walled garden for *.sub2.tld2
+  nochange a3-2.tld2.				# 7 exempt rewrite by name
+  nochange a0-1.tld2.				# 8 exempt rewrite by address block
+  addr 12.12.12.12 a4-1.tld2			# 9 prefer QNAME policy to NSDNAME
+  addr 127.0.0.1 a3-1.sub3.tld2			# 10 prefer policy for largest NSDNAME
+  addr 127.0.0.2 a3-1.subsub.sub3.tld2		# 11
+  nxdomain xxx.crash1.tld2			# 12 dns_db_detachnode() crash
+
+  nxdomain a3-1.stub				# 13
+  nxdomain a3-1.static-stub			# 14
+  nochange_ns10 a3-1.stub-nomatch		# 15
+  nochange_ns10 a3-1.static-stub-nomatch	# 16
+  if [ "$mode" = dnsrps ]; then
+    addr 12.12.12.12 as-ns.tld5.		# 17 qname-as-ns
+  fi
+  nextpart ns3/named.run | grep -q "unrecognized NS rpz_rrset_find() failed: glue" &&
+  setret "seen: unrecognized NS rpz_rrset_find() failed: glue"
+  end_group
+  if [ "$mode" = dnsrps ]; then
+    ckstats $ns3 test3 ns3 10
+  else
+    ckstats $ns3 test3 ns3 9
+  fi
+
+  # these tests assume "min-ns-dots 0"
+  start_group "NSIP rewrites" test4
+  nextpart ns3/named.run > /dev/null
+  nxdomain a3-1.tld2				# 1 NXDOMAIN for all of tld2
+  nochange a3-2.tld2.				# 2 exempt rewrite by name
+  nochange a0-1.tld2.				# 3 exempt rewrite by address block
+  nochange a3-1.tld4				# 4 different NS IP address
+  nxdomain a4-1.stub				# 5
+  nxdomain a4-1.static-stub			# 6
+  nochange_ns10 a4-1.stub-nomatch		# 7
+  nochange_ns10 a4-1.static-stub-nomatch	# 8
+  if [ "$mode" = dnsrps ]; then
+      addr 12.12.12.12 as-ns.tld5.		# 9 ip-as-ns
+  fi
+  nextpart ns3/named.run | grep -q "unrecognized NS rpz_rrset_find() failed: glue" &&
+  setret "seen: unrecognized NS rpz_rrset_find() failed: glue"
+  end_group
+
+  start_group "walled garden NSIP rewrites" test4a
+  addr 41.41.41.41 a3-1.tld2			# 1 walled garden for all of tld2
+  addr 2041::41   'a3-1.tld2 AAAA'		# 2 walled garden for all of tld2
+  here a3-1.tld2 TXT <<'EOF'			# 3 text message for all of tld2
+    ;; status: NOERROR, x
+    a3-1.tld2.	    x	IN	TXT   "NSIP walled garden"
+EOF
+  end_group
+  if [ "$mode" = dnsrps ]; then
+    ckstats $ns3 test4 ns3 7
+  else
+    ckstats $ns3 test4 ns3 6
+  fi
+
+  # policies in ./test5 overridden by response-policy{} in ns3/named.conf
+  # and in ns5/named.conf
+  start_group "policy overrides" test5
+  addr 127.0.0.1 a3-1.tld2			# 1 bl-given
+  nochange a3-2.tld2				# 2 bl-passthru
+  nochange a3-3.tld2				# 3 bl-no-op (obsolete for passthru)
+  nochange a3-4.tld2				# 4 bl-disabled
+  nodata a3-5.tld2				# 5 bl-nodata zone recursive-only no
+  nodata a3-5.tld2 +norecurse			# 6 bl-nodata zone recursive-only no
+  nodata a3-5.tld2				# 7 bl-nodata not needed
+  nxdomain a3-5.tld2 +norecurse @$ns5		# 8 bl-nodata global recursive-only no
+  nxdomain a3-5.tld2s @$ns5			# 9 bl-nodata global break-dnssec
+  nxdomain a3-5.tld2s +dnssec @$ns5		# 10 bl-nodata global break-dnssec
+  nxdomain a3-6.tld2				# 11 bl-nxdomain
+  here a3-7.tld2 -tany <<'EOF'			# 12
+    ;; status: NOERROR, x
+    a3-7.tld2.	    x	IN	CNAME   txt-only.tld2.
+    txt-only.tld2.  x	IN	TXT     "txt-only-tld2"
+EOF
+  addr 58.58.58.58 a3-8.tld2			# 13 bl_wildcname
+  addr 59.59.59.59 a3-9.sub9.tld2		# 14 bl_wildcname
+  addr 12.12.12.12 a3-15.tld2			# 15 bl-garden via CNAME to a12.tld2
+  addr 127.0.0.16 a3-16.tld2 100		# 16 bl	max-policy-ttl 100
+  addr 17.17.17.17 "a3-17.tld2 @$ns5" 90	# 17 ns5 bl max-policy-ttl 90
+  drop a3-18.tld2 any				# 18 bl-drop
+  nxdomain TCP a3-19.tld2			# 19 bl-tcp-only
+  end_group
+  ckstats $ns3 test5 ns3 12
+  ckstats $ns5 test5 ns5 4
+
+  # check that miscellaneous bugs are still absent
+  start_group "crashes" test6
+  for Q in RRSIG SIG ANY 'ANY +dnssec'; do
+    nocrash a3-1.tld2 -t$Q
+    nocrash a3-2.tld2 -t$Q
+    nocrash a3-5.tld2 -t$Q
+    nocrash www.redirect -t$Q
+    nocrash www.credirect -t$Q
+  done
+
+  # This is not a bug, because any data leaked by writing 24.4.3.2.10.rpz-ip
+  # (or whatever) is available by publishing "foo A 10.2.3.4" and then
+  # resolving foo.
+  # nxdomain 32.3.2.1.127.rpz-ip
+  end_group
+  ckstats $ns3 bugs ns3 8
+
+  # superficial test for major performance bugs
+  QPERF=$(sh qperf.sh)
+  if test -n "$QPERF"; then
+    perf () {
+	date "+${TS}checking performance $1" | cat_i
+	# Dry run to prime everything
+	comment "before dry run $1"
+	$RNDCCMD $ns5 notrace
+	$QPERF -c -1 -l30 -d ns5/requests -s $ns5 -p ${PORT} >/dev/null
+	comment "before real test $1"
+	PFILE="ns5/$2.perf"
+	$QPERF -c -1 -l30 -d ns5/requests -s $ns5 -p ${PORT} >$PFILE
+	comment "after test $1"
+	X=$(sed -n -e 's/.*Returned *\([^ ]*:\) *\([0-9]*\) .*/\1\2/p' $PFILE \
+		| tr '\n' ' ')
+	if test "$X" != "$3"; then
+	    setret "wrong results '$X' in $PFILE"
+	fi
+	ckalive $ns5 "failed; server #5 crashed"
+    }
+    trim () {
+	sed -n -e 's/.*Queries per second: *\([0-9]*\).*/\1/p' ns5/$1.perf
+    }
+
+    # get qps with rpz
+    perf 'with RPZ' rpz 'NOERROR:2900 NXDOMAIN:100 '
+    RPZ=$(trim rpz)
+    # turn off rpz and measure qps again
+    echo "# RPZ off" >ns5/rpz-switch
+    RNDCCMD_OUT=$($RNDCCMD $ns5 reload)
+    perf 'without RPZ' norpz 'NOERROR:3000 '
+    NORPZ=$(trim norpz)
+
+    PERCENT=$(( (RPZ * 100 + (NORPZ / 2)) / NORPZ))
+    echo_i "$RPZ qps with RPZ is $PERCENT% of $NORPZ qps without RPZ"
+
+    MIN_PERCENT=30
+    if test "$PERCENT" -lt $MIN_PERCENT; then
+	echo_i "$RPZ qps with rpz or $PERCENT% is below $MIN_PERCENT% of $NORPZ qps"
+    fi
+
+    if test "$PERCENT" -ge 100; then
+	echo_i "$RPZ qps with RPZ or $PERCENT% of $NORPZ qps without RPZ is too high"
+    fi
+
+    ckstats $ns5 performance ns5 200
+
+  else
+    echo_i "performance not checked; queryperf not available"
+  fi
+
+  if [ "$mode" = dnsrps ]; then
+    echo_i "checking that dnsrpzd is automatically restarted"
+    OLD_PID=$(cat dnsrpzd.pid)
+    kill "$OLD_PID"
+    n=0
+    while true; do
+	NEW_PID=$(cat dnsrpzd.pid 2>/dev/null)
+	if test -n "$NEW_PID" -a "0$OLD_PID" -ne "0$NEW_PID"; then
+	    #echo "OLD_PID=$OLD_PID  NEW_PID=$NEW_PID"
+	    break;
+	fi
+	$DIG -p ${PORT} +short +norecurse a0-1.tld2 @$ns3 >/dev/null
+	n=$((n + 1))
+	if test "$n" -gt $TEN_SECS; then
+	    setret "dnsrpzd did not restart"
+	    break
+	fi
+	$WAIT_CMD
+    done
+  fi
+
+  # Ensure ns3 manages to transfer the fast-expire zone before shutdown.
+  nextpartreset ns3/named.run
+  wait_for_log 20 "zone fast-expire/IN: transferred serial 1" ns3/named.run
+
+  # reconfigure the ns5 primary server without the fast-expire zone, so
+  # it can't be refreshed on ns3, and will expire in 5 seconds.
+  cat /dev/null > ns5/expire.conf
+  rndc_reconfig ns5 10.53.0.5
+
+  # restart the main test RPZ server to see if that creates a core file
+  if test -z "$HAVE_CORE"; then
+    stop_server --use-rndc --port ${CONTROLPORT} ns3
+    restart 3 "rebuild-bl-rpz"
+    HAVE_CORE=$(find ns* -name '*core*' -print)
+    test -z "$HAVE_CORE" || setret "found $HAVE_CORE; memory leak?"
+  fi
+
+  # look for complaints from lib/dns/rpz.c and bin/name/query.c
+  for runfile in ns*/named.run; do
+    EMSGS=$(nextpart $runfile | grep -E -l 'invalid rpz|rpz.*failed' || true)
+    if test -n "$EMSGS"; then
+      setret "error messages in $runfile starting with:"
+      grep -E 'invalid rpz|rpz.*failed' ns*/named.run | \
+              sed -e '10,$d' -e 's/^//' | cat_i
+    fi
+  done
+
+  if [ native = "$mode" ]; then
+    # restart the main test RPZ server with a bad zone.
+    t=$((t + 1))
+    echo_i "checking that ns3 with broken rpz does not crash (${t})"
+    stop_server --use-rndc --port ${CONTROLPORT} ns3
+    cp ns3/broken.db.in ns3/bl.db
+    restart 3 # do not rebuild rpz zones
+    nocrash a3-1.tld2 -tA
+    stop_server --use-rndc --port ${CONTROLPORT} ns3
+    restart 3 "rebuild-bl-rpz"
+
+    t=$((t + 1))
+    echo_i "checking if rpz survives a certain class of failed reconfiguration attempts (${t})"
+    sed -e "s/^#BAD//" < ns3/named.conf.in > ns3/named.conf.tmp
+    copy_setports ns3/named.conf.tmp ns3/named.conf
+    rm ns3/named.conf.tmp
+    $RNDCCMD $ns3 reconfig > /dev/null 2>&1 && setret "failed"
+    sleep 1
+    copy_setports ns3/named.conf.in ns3/named.conf
+    $RNDCCMD $ns3 reconfig || setret "failed"
+
+    # reload a RPZ zone that is now deliberately broken.
+    t=$((t + 1))
+    echo_i "checking rpz failed update will keep previous rpz rules (${t})"
+    $DIG -p ${PORT} @$ns3 walled.tld2 > dig.out.$t.before
+    grep "walled\.tld2\..*IN.*A.*10\.0\.0\.1" dig.out.$t.before > /dev/null || setret "failed"
+    cp ns3/broken.db.in ns3/manual-update-rpz.db
+    rndc_reload ns3 $ns3 manual-update-rpz
+    sleep 1
+    # ensure previous RPZ rules still apply.
+    $DIG -p ${PORT} @$ns3 walled.tld2 > dig.out.$t.after
+    grep "walled\.tld2\..*IN.*A.*10\.0\.0\.1" dig.out.$t.after > /dev/null || setret "failed"
+
+    t=$((t + 1))
+    echo_i "checking reload of a mixed-case RPZ zone (${t})"
+    # First, a sanity check: the A6-2.TLD2.mixed-case-rpz RPZ record should
+    # cause a6-2.tld2 NOERROR answers to be rewritten to NXDOMAIN answers.
+    $DIG -p ${PORT} @$ns3 a6-2.tld2. A > dig.out.$t.before
+    grep "status: NXDOMAIN" dig.out.$t.before >/dev/null || setret "failed"
+    # Add a sibling name (a6-1.tld2.mixed-case-rpz, with "tld2" in lowercase
+    # rather than uppercase) before A6-2.TLD.mixed-case-rpz.
+    nextpart ns3/named.run > /dev/null
+    cp ns3/mixed-case-rpz-2.db.in ns3/mixed-case-rpz.db
+    rndc_reload ns3 $ns3 mixed-case-rpz
+    wait_for_log 20 "rpz: mixed-case-rpz: reload done" ns3/named.run
+    # a6-2.tld2 NOERROR answers should still be rewritten to NXDOMAIN answers.
+    # (The bug we try to trigger here caused a6-2.tld2.mixed-case-rpz to be
+    # erroneously removed from the summary RPZ database after reload.)
+    $DIG -p ${PORT} @$ns3 a6-2.tld2. A > dig.out.$t.after
+    grep "status: NXDOMAIN" dig.out.$t.after >/dev/null || setret "failed"
+  fi
+
+  t=$((t + 1))
+  echo_i "checking that ttl values are not zeroed when qtype is '*' (${t})"
+  $DIG +noall +answer -p ${PORT} @$ns3 any a3-2.tld2 > dig.out.$t
+  ttl=$(awk '/a3-2 tld2 text/ {print $2}' dig.out.$t)
+  if test ${ttl:=0} -eq 0; then setret "failed"; fi
+
+  t=$((t + 1))
+  echo_i "checking rpz updates/transfers with parent nodes added after children (${t})"
+  # regression test for RT #36272: the success condition
+  # is the secondary server not crashing.
+  for i in 1 2 3 4 5; do
+    nsd $ns5 add example.com.policy1. '*.example.com.policy1.'
+    nsd $ns5 delete example.com.policy1. '*.example.com.policy1.'
+  done
+  for i in 1 2 3 4 5; do
+    nsd $ns5 add '*.example.com.policy1.' example.com.policy1.
+    nsd $ns5 delete '*.example.com.policy1.' example.com.policy1.
+  done
+
+  t=$((t + 1))
+  echo_i "checking that going from an empty policy zone works (${t})"
+  nsd $ns5 add '*.x.servfail.policy2.' x.servfail.policy2.
+  sleep 1
+  rndc_reload ns7 $ns7 policy2
+  $DIG z.x.servfail -p ${PORT} @$ns7 > dig.out.${t}
+  grep NXDOMAIN dig.out.${t} > /dev/null || setret "failed"
+
+  t=$((t + 1))
+  echo_i "checking that "add-soa no" at rpz zone level works (${t})"
+  $DIG z.x.servfail -p ${PORT} @$ns7 > dig.out.${t}
+  grep SOA dig.out.${t} > /dev/null && setret "failed"
+
+  if [ native = "$mode" ]; then
+    t=$((t + 1))
+    echo_i "checking that "add-soa yes" at response-policy level works (${t})"
+    $DIG walled.tld2 -p ${PORT} +noall +add @$ns3 > dig.out.${t}
+    grep "^manual-update-rpz\..*SOA" dig.out.${t} > /dev/null || setret "failed"
+  fi
+
+  if [ native = "$mode" ]; then
+    t=$((t + 1))
+    echo_i "reconfiguring server with 'add-soa no' (${t})"
+    cp ns3/named.conf ns3/named.conf.tmp
+    sed -e "s/add-soa yes/add-soa no/g" < ns3/named.conf.tmp > ns3/named.conf
+    rndc_reconfig ns3 $ns3
+    echo_i "checking that 'add-soa no' at response-policy level works (${t})"
+    $DIG walled.tld2 -p ${PORT} +noall +add @$ns3 > dig.out.${t}
+    grep "^manual-update-rpz\..*SOA" dig.out.${t} > /dev/null && setret "failed"
+  fi
+
+  if [ native = "$mode" ]; then
+    t=$((t + 1))
+    echo_i "checking that 'add-soa unset' works (${t})"
+    $DIG walled.tld2 -p ${PORT} +noall +add @$ns8 > dig.out.${t}
+    grep "^manual-update-rpz\..*SOA" dig.out.${t} > /dev/null || setret "failed"
+  fi
+
+  # dnsrps does not allow NS RRs in policy zones, so this check
+  # with dnsrps results in no rewriting.
+  if [ native = "$mode" ]; then
+    t=$((t + 1))
+    echo_i "checking rpz with delegation fails correctly (${t})"
+    $DIG -p ${PORT} @$ns3 ns example.com > dig.out.$t
+    grep "status: SERVFAIL" dig.out.$t > /dev/null || setret "failed"
+
+    t=$((t + 1))
+    echo_i "checking policies from expired zone are no longer in effect ($t)"
+    $DIG -p ${PORT} @$ns3 a expired > dig.out.$t
+    grep "expired.*10.0.0.10" dig.out.$t > /dev/null && setret "failed"
+    grep "fast-expire/IN: response-policy zone expired" ns3/named.run > /dev/null || setret "failed"
+  fi
+
+  # RPZ 'CNAME *.' (NODATA) trumps DNS64.  Test against various DNS64 scenarios.
+  for label in a-only no-a-no-aaaa a-plus-aaaa
+  do
+    for type in AAAA A
+    do
+      t=$((t + 1))
+      case $label in
+      a-only)
+	echo_i "checking rpz 'CNAME *.' (NODATA) with dns64, $type lookup with A-only (${t})"
+	;;
+      no-a-no-aaaa)
+	echo_i "checking rpz 'CNAME *.' (NODATA) with dns64, $type lookup with no A or AAAA (${t})"
+	;;
+      a-plus-aaaa)
+	echo_i "checking rpz 'CNAME *.' (NODATA) with dns64, $type lookup with A and AAAA (${t})"
+	;;
+      esac
+      ret=0
+      $DIG ${label}.example -p ${PORT} $type @10.53.0.9 > dig.out.${t}
+      grep "status: NOERROR" dig.out.$t > /dev/null || ret=1
+      grep "ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 2$" dig.out.$t > /dev/null || ret=1
+      grep "^rpz"  dig.out.$t > /dev/null || ret=1
+      [ $ret -eq 0 ] || echo_i "failed"
+      status=$((status + ret))
+    done
+  done
+
+  if [ native = "$mode" ]; then
+    t=$((t + 1))
+    echo_i "checking that rewriting CD=1 queries handles pending data correctly (${t})"
+    $RNDCCMD $ns3 flush
+    $RNDCCMD $ns6 flush
+    $DIG a7-2.tld2s -p ${PORT} @$ns6 +cd > dig.out.${t}
+    grep -w "1.1.1.1" dig.out.${t} > /dev/null || setret "failed"
+  fi
+
+  [ $status -ne 0 ] && pf=fail || pf=pass
+  case $mode in
+  native)
+    native=$status
+    echo_i "status (native RPZ sub-test): $status ($pf)";;
+
+  dnsrps)
+    dnsrps=$status
+    echo_i "status (DNSRPS sub-test): $status ($pf)";;
+  *) echo_i "invalid test mode";;
+  esac
+done
+status=$((native + dnsrps))
+
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/rpz/tests_sh_rpz.py b/bin/tests/system/rpz/tests_sh_rpz.py
new file mode 100644
index 0000000..1d551b5
--- /dev/null
+++ b/bin/tests/system/rpz/tests_sh_rpz.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_rpz(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/rpzextra/clean.sh b/bin/tests/system/rpzextra/clean.sh
new file mode 100644
index 0000000..928ee8b
--- /dev/null
+++ b/bin/tests/system/rpzextra/clean.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns*/*.jnl
+rm -f ns*/named.conf
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/named.run
+rm -f ns*/rpz*.txt
+rm -rf __pycache__
+rm -f ns3/*-rpz-external.local.db
diff --git a/bin/tests/system/rpzextra/ns2/allowed.db b/bin/tests/system/rpzextra/ns2/allowed.db
new file mode 100644
index 0000000..57a733c
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns2/allowed.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+
+@	IN	SOA	ns1 root.allowed. 2020040101 4h 1h 1w 60
+@	IN	NS	ns1
+ns1	IN	A	10.53.0.2
+@	IN	A	10.53.0.2
+www	IN	A	10.53.0.2
diff --git a/bin/tests/system/rpzextra/ns2/baddomain.db b/bin/tests/system/rpzextra/ns2/baddomain.db
new file mode 100644
index 0000000..3946da3
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns2/baddomain.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+
+@	IN	SOA ns1	root.baddomain. (
+	2020040101
+	4h
+	1h
+	1w
+	60
+)
+
+             IN	NS    ns1
+
+ns1          IN	A     10.53.0.2
+
+baddomain.  IN A     10.53.0.2
+www         IN A     10.53.0.3
diff --git a/bin/tests/system/rpzextra/ns2/gooddomain.db b/bin/tests/system/rpzextra/ns2/gooddomain.db
new file mode 100644
index 0000000..1fb720c
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns2/gooddomain.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+
+@	IN	SOA ns1	root.gooddomain. (
+	2020040101
+	4h
+	1h
+	1w
+	60
+)
+
+            IN	NS    ns1
+
+ns1         IN	A     10.53.0.2
+
+gooddomain. IN A     10.53.0.2
+www         IN A     10.53.0.3
diff --git a/bin/tests/system/rpzextra/ns2/named.conf.in b/bin/tests/system/rpzextra/ns2/named.conf.in
new file mode 100644
index 0000000..6317563
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns2/named.conf.in
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+    secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	listen-on { 10.53.0.2; };
+	pid-file "named.pid";
+	notify no;
+	dnssec-validation no;
+	allow-query { any; };
+};
+
+zone "allowed" {
+    type primary;
+	file "allowed.db";
+	allow-transfer { none; };
+};
+
+zone "baddomain" {
+    type primary;
+    file "baddomain.db";
+    allow-transfer { none; };
+};
+
+zone "gooddomain" {
+    type primary;
+    file "gooddomain.db";
+    allow-transfer { none; };
+};
+
+zone "rpz-external.local" {
+    type primary;
+    file "rpz-external.local.db";
+    allow-transfer { any; };
+};
diff --git a/bin/tests/system/rpzextra/ns2/rpz-external.local.db b/bin/tests/system/rpzextra/ns2/rpz-external.local.db
new file mode 100644
index 0000000..b3ab69e
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns2/rpz-external.local.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+
+@	IN	SOA	localhost.rpz-external.local root.rpz-external.local. (
+	2020022500	; serial number
+	60			; refresh every minute
+	60			; retry every minute
+	432000		; expire in 5 days
+	60			; negative caching ttl, 1 minute
+)
+
+
+                IN	NS	LOCALHOST.
+
+allowed       IN	CNAME	.
+*.allowed     IN	CNAME	.
diff --git a/bin/tests/system/rpzextra/ns3/external-rpz.local.db b/bin/tests/system/rpzextra/ns3/external-rpz.local.db
new file mode 100644
index 0000000..aad6b89
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns3/external-rpz.local.db
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+
+@	IN	SOA	localhost.rpz.local root.rpz.local. (
+	2020022500	; serial number
+	60			; refresh every minute
+	60			; retry every minute
+	432000		; expire in 5 days
+	60			; negative caching ttl, 1 minute
+)
+
+
+              IN	NS	LOCALHOST.
+
+allowed       IN	CNAME	rpz-passthru.
+*.allowed     IN	CNAME	rpz-passthru.
+
+gooddomain     IN	CNAME	.
+*.gooddomain   IN	CNAME	.
diff --git a/bin/tests/system/rpzextra/ns3/first-rpz.local.db b/bin/tests/system/rpzextra/ns3/first-rpz.local.db
new file mode 100644
index 0000000..4203ca1
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns3/first-rpz.local.db
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+
+@	IN	SOA	localhost.rpz.local root.rpz.local. (
+	2020022500	; serial number
+	60			; refresh every minute
+	60			; retry every minute
+	432000		; expire in 5 days
+	60			; negative caching ttl, 1 minute
+)
+
+
+                IN	NS	LOCALHOST.
+
+allowed       IN	CNAME	rpz-passthru.
+*.allowed     IN	CNAME	rpz-passthru.
+
+baddomain     IN	CNAME	.
+*.baddomain   IN	CNAME	.
diff --git a/bin/tests/system/rpzextra/ns3/fourth-rpz-extra.local.db b/bin/tests/system/rpzextra/ns3/fourth-rpz-extra.local.db
new file mode 100644
index 0000000..471030c
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns3/fourth-rpz-extra.local.db
@@ -0,0 +1,32 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+
+@	IN	SOA	localhost.rpz-extra.local root.rpz-extra.local. (
+	2020022500	; serial number
+	60			; refresh every minute
+	60			; retry every minute
+	432000		; expire in 5 days
+	60			; negative caching ttl, 1 minute
+)
+
+
+                IN	NS	LOCALHOST.
+
+allowed       IN	CNAME	rpz-passthru.
+*.allowed     IN	CNAME	rpz-passthru.
+
+gooddomain     IN	CNAME	.
+*.gooddomain   IN	CNAME	.
+
+baddomain     IN	CNAME	.
+*.baddomain   IN	CNAME	.
diff --git a/bin/tests/system/rpzextra/ns3/named.args b/bin/tests/system/rpzextra/ns3/named.args
new file mode 100644
index 0000000..970fc22
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns3/named.args
@@ -0,0 +1 @@
+ -m record -c named.conf -d 99 -D rpzextra-ns1 -X named.lock -U 4 -T maxcachesize=2097152
diff --git a/bin/tests/system/rpzextra/ns3/named.conf.in b/bin/tests/system/rpzextra/ns3/named.conf.in
new file mode 100644
index 0000000..cd459bc
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns3/named.conf.in
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+    secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	listen-on { 10.53.0.3; };
+	pid-file "named.pid";
+	notify no;
+	dnssec-validation no;
+	allow-query { any; };
+	recursion yes;
+	allow-recursion { any; };
+	empty-zones-enable false;
+	response-policy {
+		zone "rpz-extra.local";
+	};
+};
+
+logging {
+	channel rpz_passthru {
+		file "rpz_passthru.txt" versions 3 size 5m;
+		print-time yes;
+		print-category yes;
+		print-severity yes;
+		severity info;
+	};
+
+	channel rpz_log {
+		file "rpz.txt" versions 3 size 20m;
+		print-time yes;
+		print-category yes;
+		print-severity yes;
+		severity info;
+	};
+
+	category rpz { rpz_log; default_debug; };
+	category rpz-passthru { rpz_passthru; default_debug; };
+};
+
+view "first" {
+	match-clients { 10.53.0.1; };
+	zone "." {
+		type hint;
+		file "root.db";
+	};
+	zone "rpz.local" {
+		type primary;
+		file "first-rpz.local.db";
+		allow-transfer { none; };
+		allow-query { localhost; };
+	};
+	response-policy {
+		zone "rpz.local";
+	};
+};
+
+view "second" {
+	match-clients { 10.53.0.2; };
+	zone "." {
+		type hint;
+		file "root.db";
+	};
+	zone "rpz-external.local" {
+		type secondary;
+		primaries { 10.53.0.2; };
+		file "second-rpz-external.local.db";
+		allow-query { 10.53.0.2; };
+	};
+	response-policy {
+		zone "rpz-external.local";
+	};
+};
+
+view "third" {
+	match-clients { 10.53.0.3; };
+	zone "." {
+		type hint;
+		file "root.db";
+	};
+	zone "rpz-extra.local" {
+		type primary;
+		file "third-rpz-extra.local.db";
+		allow-transfer { none; };
+		allow-query { localhost; };
+	};
+};
+
+view "fourth" {
+	match-clients { 10.53.0.4; };
+	zone "." {
+		type hint;
+		file "root.db";
+	};
+	zone "rpz-extra.local" {
+		type primary;
+		file "fourth-rpz-extra.local.db";
+		allow-transfer { none; };
+		allow-query { localhost; };
+	};
+};
+
+view "external" {
+	match-clients { any; };
+	zone "." {
+		type hint;
+		file "root.db";
+	};
+	zone "rpz.local" {
+		type primary;
+		file "external-rpz.local.db";
+		allow-transfer { none; };
+		allow-query { localhost; };
+	};
+	zone "rpz-external.local" {
+		type secondary;
+		masterfile-format text;
+		primaries { 10.53.0.2; };
+		file "external-rpz-external.local.db";
+		allow-query { 10.53.0.5; };
+	};
+	response-policy {
+		zone "rpz-external.local";
+		zone "rpz.local";
+	};
+};
diff --git a/bin/tests/system/rpzextra/ns3/root.db b/bin/tests/system/rpzextra/ns3/root.db
new file mode 100644
index 0000000..ca49988
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns3/root.db
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			    NS ns1.allowed
+
+
+allowed.		NS	ns1.allowed.
+ns1.allowed.	A	10.53.0.2
+
+baddomain.		NS	ns1.baddomain.
+ns1.baddomain.	A	10.53.0.2
+
+gooddomain.		NS	ns1.gooddomain.
+ns1.gooddomain.	A	10.53.0.2
diff --git a/bin/tests/system/rpzextra/ns3/third-rpz-extra.local.db b/bin/tests/system/rpzextra/ns3/third-rpz-extra.local.db
new file mode 100644
index 0000000..a8b46fa
--- /dev/null
+++ b/bin/tests/system/rpzextra/ns3/third-rpz-extra.local.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+
+@	IN	SOA	localhost.rpz-extra.local root.rpz-extra.local. (
+	2020022500	; serial number
+	60			; refresh every minute
+	60			; retry every minute
+	432000		; expire in 5 days
+	60			; negative caching ttl, 1 minute
+)
+
+
+                IN	NS	LOCALHOST.
+
+allowed       IN	CNAME	rpz-passthru.
+*.allowed     IN	CNAME	rpz-passthru.
diff --git a/bin/tests/system/rpzextra/setup.sh b/bin/tests/system/rpzextra/setup.sh
new file mode 100644
index 0000000..2dbb388
--- /dev/null
+++ b/bin/tests/system/rpzextra/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# touch dnsrps-off to not test with DNSRPS
+
+set -e
+
+. ../conf.sh
+
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
diff --git a/bin/tests/system/rpzextra/tests_rpzextra.py b/bin/tests/system/rpzextra/tests_rpzextra.py
new file mode 100644
index 0000000..ab5da45
--- /dev/null
+++ b/bin/tests/system/rpzextra/tests_rpzextra.py
@@ -0,0 +1,143 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import time
+import os
+
+import pytest
+
+pytest.importorskip("dns", minversion="2.0.0")
+import dns.resolver
+
+
+def wait_for_transfer(ip, port, client_ip, name, rrtype):
+    resolver = dns.resolver.Resolver()
+    resolver.nameservers = [ip]
+    resolver.port = port
+
+    for _ in range(10):
+        try:
+            resolver.resolve(name, rrtype, source=client_ip)
+        except dns.resolver.NoNameservers:
+            time.sleep(1)
+        else:
+            break
+    else:
+        raise RuntimeError(
+            "zone transfer failed: "
+            f"client {client_ip} got NXDOMAIN for {name} {rrtype} from @{ip}:{port}"
+        )
+
+
+def test_rpz_multiple_views(named_port):
+    resolver = dns.resolver.Resolver()
+    resolver.nameservers = ["10.53.0.3"]
+    resolver.port = named_port
+
+    wait_for_transfer("10.53.0.3", named_port, "10.53.0.2", "rpz-external.local", "SOA")
+    wait_for_transfer("10.53.0.3", named_port, "10.53.0.5", "rpz-external.local", "SOA")
+
+    # For 10.53.0.1 source IP:
+    # - baddomain.com isn't allowed (CNAME .), should return NXDOMAIN
+    # - gooddomain.com is allowed
+    # - allowed. is allowed
+    with pytest.raises(dns.resolver.NXDOMAIN):
+        resolver.resolve("baddomain.", "A", source="10.53.0.1")
+
+    ans = resolver.resolve("gooddomain.", "A", source="10.53.0.1")
+    assert ans[0].address == "10.53.0.2"
+
+    ans = resolver.resolve("allowed.", "A", source="10.53.0.1")
+    assert ans[0].address == "10.53.0.2"
+
+    # For 10.53.0.2 source IP:
+    # - allowed.com isn't allowed (CNAME .), should return NXDOMAIN
+    # - baddomain.com is allowed
+    # - gooddomain.com is allowed
+    ans = resolver.resolve("baddomain.", "A", source="10.53.0.2")
+    assert ans[0].address == "10.53.0.2"
+
+    ans = resolver.resolve("gooddomain.", "A", source="10.53.0.2")
+    assert ans[0].address == "10.53.0.2"
+
+    with pytest.raises(dns.resolver.NXDOMAIN):
+        resolver.resolve("allowed.", "A", source="10.53.0.2")
+
+    # For 10.53.0.3 source IP:
+    # - gooddomain.com is allowed
+    # - baddomain.com is allowed
+    # - allowed. is allowed
+    ans = resolver.resolve("baddomain.", "A", source="10.53.0.3")
+    assert ans[0].address == "10.53.0.2"
+
+    ans = resolver.resolve("gooddomain.", "A", source="10.53.0.3")
+    assert ans[0].address == "10.53.0.2"
+
+    ans = resolver.resolve("allowed.", "A", source="10.53.0.3")
+    assert ans[0].address == "10.53.0.2"
+
+    # For 10.53.0.4 source IP:
+    # - gooddomain.com isn't allowed (CNAME .), should return NXDOMAIN
+    # - baddomain.com isn't allowed (CNAME .), should return NXDOMAIN
+    # - allowed. is allowed
+    with pytest.raises(dns.resolver.NXDOMAIN):
+        resolver.resolve("baddomain.", "A", source="10.53.0.4")
+
+    with pytest.raises(dns.resolver.NXDOMAIN):
+        resolver.resolve("gooddomain.", "A", source="10.53.0.4")
+
+    ans = resolver.resolve("allowed.", "A", source="10.53.0.4")
+    assert ans[0].address == "10.53.0.2"
+
+    # For 10.53.0.5 (any) source IP:
+    # - baddomain.com is allowed
+    # - gooddomain.com isn't allowed (CNAME .), should return NXDOMAIN
+    # - allowed.com isn't allowed (CNAME .), should return NXDOMAIN
+    ans = resolver.resolve("baddomain.", "A", source="10.53.0.5")
+    assert ans[0].address == "10.53.0.2"
+
+    with pytest.raises(dns.resolver.NXDOMAIN):
+        resolver.resolve("gooddomain.", "A", source="10.53.0.5")
+
+    with pytest.raises(dns.resolver.NXDOMAIN):
+        resolver.resolve("allowed.", "A", source="10.53.0.5")
+
+
+def test_rpz_passthru_logging(named_port):
+    resolver = dns.resolver.Resolver()
+    resolver.nameservers = ["10.53.0.3"]
+    resolver.port = named_port
+
+    # Should generate a log entry into rpz_passthru.txt
+    ans = resolver.resolve("allowed.", "A", source="10.53.0.1")
+    assert ans[0].address == "10.53.0.2"
+
+    # baddomain.com isn't allowed (CNAME .), should return NXDOMAIN
+    # Should generate a log entry into rpz.txt
+    with pytest.raises(dns.resolver.NXDOMAIN):
+        resolver.resolve("baddomain.", "A", source="10.53.0.1")
+
+    rpz_passthru_logfile = os.path.join("ns3", "rpz_passthru.txt")
+    rpz_logfile = os.path.join("ns3", "rpz.txt")
+
+    assert os.path.isfile(rpz_passthru_logfile)
+    assert os.path.isfile(rpz_logfile)
+
+    with open(rpz_passthru_logfile, encoding="utf-8") as log_file:
+        line = log_file.read()
+        assert "rpz QNAME PASSTHRU rewrite allowed/A/IN" in line
+
+    with open(rpz_logfile, encoding="utf-8") as log_file:
+        line = log_file.read()
+        assert "rpz QNAME PASSTHRU rewrite allowed/A/IN" not in line
+        assert "rpz QNAME NXDOMAIN rewrite baddomain/A/IN" in line
diff --git a/bin/tests/system/rpzrecurse/README b/bin/tests/system/rpzrecurse/README
new file mode 100644
index 0000000..5936e05
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/README
@@ -0,0 +1,124 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+These tests check RPZ recursion behavior (including skipping
+recursion when appropriate).
+
+The general structure of the tests is:
+
+* The resolver (ns2) with an unqualified view containing the policy
+  zones, the response-policy statement, and a root hint zone
+
+* The auth server that contains two authoritative zones, l1.l0 and
+  l2.l1.l0, both delegated to itself. l2.l1.l0 specifies a non-existent
+  zone data file and so will generate SERVFAILs for any queries to it.
+
+The l2.l1.l0 zone was chosen to generate SERVFAIL responses because RPZ
+evaluation will use that error response whenever it encounters it during
+processing, thus making it a binary indicator for whether or not
+recursion was attempted.  This also allows us to not worry about having
+to craft 'ip', 'nsdname', and 'nsip' rules that matched the queries.
+
+Each test is intended to be fed a number of queries constructed as
+qXX.l2.l1.l0, where XX is the 1-based query sequence number (e.g. the
+first query of each test is q01.l2.l1.l0).
+
+For all the tests the triggers are constructed as follows:
+client-ip - match 127.0.0.1/32
+ip - match 255.255.255.255/32 (does not matter due to SERVFAIL)
+nsdname - match ns.example.org (also does not matter)
+nsip - match 255.255.255.255/32 (also does not matter)
+qname - match qXX.l2.l1.l0, where XX is the query sequence number that
+is intended to be matched by this qname rule.
+
+Here's the detail on the test cases:
+
+Group 1 - testing skipping recursion for a single policy zone with only
+records that allow recursion to be skipped
+
+Test 1a:
+    1 policy zone containing 1 'client-ip' trigger
+    1 query, expected to skip recursion
+
+Test 1b:
+    1 policy zone containing 1 'qname' trigger (q01)
+    2 queries, q01 is expected to skip recursion, q02 is expected to
+      recurse
+
+Test 1c:
+    1 policy zone containing both a 'client-ip' and 'qname' trigger (q02)
+    1 query, expected to skip recursion
+
+Group 2 - testing skipping recursion with multiple policy zones when all
+zones have only trigger types eligible to skip recursion with
+
+Test 2a:
+    32 policy zones, each containing 1 'qname' trigger (qNN, where NN is
+       the zone's sequence 1-based sequence number formatted to 2 digits,
+       so each of the first 32 queries should match a different zone)
+    33 queries, the first 32 of which are expected to skip recursion
+       while the 33rd is expected to recurse
+
+Group 3 - Testing interaction of triggers that require recursion when in
+a single zone, both alone and with triggers that allow recursion to be
+skipped
+
+Test 3a:
+    1 policy zone containing 1 'ip' trigger
+    1 query, expected to recurse
+
+Test 3b:
+    1 policy zone containing 1 'nsdname' trigger
+    1 query, expected to recurse
+
+Test 3c:
+    1 policy zone containing 1 'nsip' trigger
+    1 query, expected to recurse
+
+Test 3d:
+    1 policy zone containing 1 'ip' trigger and 1 'qname' trigger (q02)
+    2 queries, the first should not recurse and the second should recurse
+
+Test 3e:
+    1 policy zone containing 1 'nsdname' trigger and 1 'qname' trigger
+      (q02)
+    2 queries, the first should not recurse and the second should recurse
+
+Test 3f:
+    1 policy zone containing 1 'nsip' trigger and 1 'qname' trigger (q02)
+    2 queries, the first should not recurse and the second should recurse
+
+Group 4 - contains 32 subtests designed to verify that recursion is
+skippable for only the appropriate zones based on the order specified in
+the 'response-policy' statement
+
+Tests 4aa to 4bf:
+    32 policy zones per test, one of which is configured with 1 'ip'
+       trigger and one 'qname' trigger while the others are configured
+       only with 1 'qname' trigger.  The zone with both triggers starts
+       listed first and is moved backwards by one position with each
+       test.  The 'qname' triggers in the zones are structured so that
+       the zones are tested starting with the first zone and the 'ip'
+       trigger is tested before the 'qname' trigger for that zone.
+    33 queries per test, where the number expected to skip recursion
+       matches the test sequence number: e.g. 1 skip for 4aa, 26 skips
+       for 4az, and 32 skips for 4bf
+
+Group 5 - This test verifies that the "pivot" policy zone for whether or
+not recursion can be skipped is the first listed zone with applicable
+trigger types rather than a later listed zone.
+
+Test 5a:
+    5 policy zones, the 1st, 3rd, and 5th configured with 1 'qname'
+      trigger each (q01, q04, and q06, respectively), the 2nd and 4th
+      each configured with an 'ip' and 'qname' trigger (q02 and q05,
+      respectively for the 'qname' triggers
+    6 queries, of which only q01 and q02 are expected to skip recursion
diff --git a/bin/tests/system/rpzrecurse/ans5/ans.pl b/bin/tests/system/rpzrecurse/ans5/ans.pl
new file mode 100644
index 0000000..9c5efb3
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ans5/ans.pl
@@ -0,0 +1,81 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use IO::File;
+use IO::Socket;
+use Net::DNS;
+use Net::DNS::Packet;
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $sock = IO::Socket::INET->new(LocalAddr => "10.53.0.5",
+   LocalPort => $localport, Proto => "udp") or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+for (;;) {
+	$sock->recv($buf, 512);
+
+	print "**** request from " , $sock->peerhost, " port ", $sock->peerport, "\n";
+
+	my $packet;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$packet = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($packet, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	print "REQUEST:\n";
+	$packet->print;
+
+	$packet->header->qr(1);
+
+	my @questions = $packet->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+
+	my $donotrespond = 0;
+
+	$packet->header->aa(1);
+	if ($qtype eq "A") {
+		$packet->push("answer",
+			      new Net::DNS::RR($qname .
+					       " 300 A 10.53.0.5"));
+	#} elsif ($qtype eq "AAAA") {
+		#$packet->push("answer",
+			      #new Net::DNS::RR($qname .
+					#" 300 AAAA 2001:db8:beef::1"));
+	} elsif ($qtype eq "NS") {
+		$donotrespond = 1;
+	}
+
+	if ($donotrespond == 0) {
+		$sock->send($packet->data);
+		print "RESPONSE:\n";
+		$packet->print;
+		print "\n";
+	} else {
+		print "DROP:\n";
+	}
+}
diff --git a/bin/tests/system/rpzrecurse/clean.sh b/bin/tests/system/rpzrecurse/clean.sh
new file mode 100644
index 0000000..45b7940
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/clean.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Clean up after rpz tests.
+
+rm -f dig.out.*
+
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/*.run
+rm -f ns*/*core *core
+rm -f ns*/named.conf
+
+rm -f ns2/*.local
+rm -f ns2/*.queries
+rm -f ns2/named.[0-9]*.conf
+rm -f ns2/named.conf.header
+
+rm -f ns3/named.conf
+rm -f ns3/named.run.prev
+
+rm -f dnsrps*.conf dnsrpzd*
+rm -f ns*/session.key
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
diff --git a/bin/tests/system/rpzrecurse/ns1/db.l0 b/bin/tests/system/rpzrecurse/ns1/db.l0
new file mode 100644
index 0000000..e6077fc
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns1/db.l0
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 10.53.0.1
+l1 NS ns.l1
+ns.l1 A 10.53.0.1
diff --git a/bin/tests/system/rpzrecurse/ns1/db.l1.l0 b/bin/tests/system/rpzrecurse/ns1/db.l1.l0
new file mode 100644
index 0000000..f51d5f7
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns1/db.l1.l0
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 10.53.0.1
+l2 NS ns.l2
+ns.l2 A 10.53.0.1
diff --git a/bin/tests/system/rpzrecurse/ns1/example.com.db b/bin/tests/system/rpzrecurse/ns1/example.com.db
new file mode 100644
index 0000000..3bd11ec
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns1/example.com.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@ IN SOA ns.example.com. root.example.com. 1 3600 3600 3600 3600
+@    NS	 ns.example.com.
+
+ns.example.com.     A   10.53.0.1
+@                   A   1.2.3.4
+www                 A   1.2.3.5
diff --git a/bin/tests/system/rpzrecurse/ns1/example.db b/bin/tests/system/rpzrecurse/ns1/example.db
new file mode 100644
index 0000000..0e71776
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns1/example.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@ IN SOA root.example. example. 1 3600 3600 3600 3600
+@ IN NS ns.example.
+www IN CNAME cname
+cname IN A 10.53.0.1
diff --git a/bin/tests/system/rpzrecurse/ns1/named.conf.in b/bin/tests/system/rpzrecurse/ns1/named.conf.in
new file mode 100644
index 0000000..4fbb35a
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns1/named.conf.in
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	querylog yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "test.example.org" {
+	type primary;
+	file "example.db";
+};
+
+zone "l0" {
+	type primary;
+	file "db.l0";
+};
+
+zone "l1.l0" {
+	type primary;
+	file "db.l1.l0";
+};
+
+zone "l2.l1.l0" {
+	type primary;
+	file "does-not-exist";
+};
+
+zone "test1.example.net" {
+	type primary;
+	file "test1.example.net.db";
+};
+
+zone "test2.example.net" {
+	type primary;
+	file "test2.example.net.db";
+};
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+};
diff --git a/bin/tests/system/rpzrecurse/ns1/root.db b/bin/tests/system/rpzrecurse/ns1/root.db
new file mode 100644
index 0000000..51be203
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	muks.isc.org. a.root.servers.nil. (
+				2010   	        ; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+@			NS	ns.example.
+ns.example.             A       10.53.0.1
+
+l0.			NS	ns.l0.
+ns.l0.			A	10.53.0.1
diff --git a/bin/tests/system/rpzrecurse/ns1/test1.example.net.db b/bin/tests/system/rpzrecurse/ns1/test1.example.net.db
new file mode 100644
index 0000000..66ca007
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns1/test1.example.net.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@ IN SOA root.example. example. 1 3600 3600 3600 3600
+@			NS	ns.example.
+ns.example.             A       10.53.0.1
+test1.example.net.	A	1.2.3.4
+www.test1.example.net.	A	5.6.7.8
diff --git a/bin/tests/system/rpzrecurse/ns1/test2.example.net.db b/bin/tests/system/rpzrecurse/ns1/test2.example.net.db
new file mode 100644
index 0000000..57db115
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns1/test2.example.net.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@ IN SOA root.example. example. 1 3600 3600 3600 3600
+@			NS	ns.example.
+ns.example.             A       10.53.0.1
+test2.example.net.	A	8.7.6.5
+www.test2.example.net.	A	4.3.2.1
diff --git a/bin/tests/system/rpzrecurse/ns2/db.clientip1 b/bin/tests/system/rpzrecurse/ns2/db.clientip1
new file mode 100644
index 0000000..f0d53d2
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.clientip1
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+32.4.0.53.10.rpz-client-ip A 10.53.0.2
+24.0.0.53.10.rpz-client-ip A 10.53.0.1
diff --git a/bin/tests/system/rpzrecurse/ns2/db.clientip2 b/bin/tests/system/rpzrecurse/ns2/db.clientip2
new file mode 100644
index 0000000..dfcc341
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.clientip2
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+24.0.0.53.10.rpz-client-ip A 10.53.0.3
diff --git a/bin/tests/system/rpzrecurse/ns2/db.clientip21 b/bin/tests/system/rpzrecurse/ns2/db.clientip21
new file mode 100644
index 0000000..4ce2af1
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.clientip21
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+32.3.0.53.10.rpz-client-ip A 10.53.0.1
+31.2.0.53.10.rpz-client-ip CNAME .
diff --git a/bin/tests/system/rpzrecurse/ns2/db.given b/bin/tests/system/rpzrecurse/ns2/db.given
new file mode 100644
index 0000000..d464a53
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.given
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN given.zone.
+$TTL 3600
+@               IN SOA ns.given.zone.  hostmaster.given.zone. 1 600 300 604800 3600
+                IN NS  ns.given.zone.
+
+ns.given.zone. IN A 127.0.0.1
+; this should be ignored as it matches an earlier passthru entry.
+example.com CNAME .
+; this should be ignored as it matches an earlier wildcard passthru entry.
+www.example.com CNAME .
diff --git a/bin/tests/system/rpzrecurse/ns2/db.invalidprefixlength b/bin/tests/system/rpzrecurse/ns2/db.invalidprefixlength
new file mode 100644
index 0000000..f496670
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.invalidprefixlength
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+1000.4.0.53.10.rpz-client-ip A 10.53.0.1
diff --git a/bin/tests/system/rpzrecurse/ns2/db.log1 b/bin/tests/system/rpzrecurse/ns2/db.log1
new file mode 100644
index 0000000..495885b
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.log1
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+32.4.0.53.10.rpz-client-ip A 10.53.0.4
diff --git a/bin/tests/system/rpzrecurse/ns2/db.log2 b/bin/tests/system/rpzrecurse/ns2/db.log2
new file mode 100644
index 0000000..91ff8c5
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.log2
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+32.4.0.53.10.rpz-client-ip A 10.53.0.4
+32.3.0.53.10.rpz-client-ip A 10.53.0.3
diff --git a/bin/tests/system/rpzrecurse/ns2/db.log3 b/bin/tests/system/rpzrecurse/ns2/db.log3
new file mode 100644
index 0000000..65ed980
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.log3
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+32.4.0.53.10.rpz-client-ip A 10.53.0.4
+32.3.0.53.10.rpz-client-ip A 10.53.0.3
+32.2.0.53.10.rpz-client-ip A 10.53.0.2
diff --git a/bin/tests/system/rpzrecurse/ns2/db.passthru b/bin/tests/system/rpzrecurse/ns2/db.passthru
new file mode 100644
index 0000000..eac3533
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.passthru
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN passthru.zone.
+$TTL 3600
+@               IN SOA ns.passthru.zone.  hostmaster.passthru.zone. 1 600 300 604800 3600
+                IN NS  ns.passthru.zone.
+
+ns.passthru.zone. IN A 127.0.0.1
+
+example.com         CNAME rpz-passthru.
+*.example.com       CNAME rpz-passthru.
diff --git a/bin/tests/system/rpzrecurse/ns2/db.wildcard1 b/bin/tests/system/rpzrecurse/ns2/db.wildcard1
new file mode 100644
index 0000000..3e5c78f
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.wildcard1
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+*.test1.example.net CNAME .
+test1.example.net CNAME .
diff --git a/bin/tests/system/rpzrecurse/ns2/db.wildcard2a b/bin/tests/system/rpzrecurse/ns2/db.wildcard2a
new file mode 100644
index 0000000..3e5c78f
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.wildcard2a
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+*.test1.example.net CNAME .
+test1.example.net CNAME .
diff --git a/bin/tests/system/rpzrecurse/ns2/db.wildcard2b b/bin/tests/system/rpzrecurse/ns2/db.wildcard2b
new file mode 100644
index 0000000..f8e6123
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.wildcard2b
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+*.test2.example.net CNAME .
+test2.example.net CNAME .
diff --git a/bin/tests/system/rpzrecurse/ns2/db.wildcard3 b/bin/tests/system/rpzrecurse/ns2/db.wildcard3
new file mode 100644
index 0000000..5354c04
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/db.wildcard3
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 60
+@ IN SOA root.ns ns 1996072700 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+*.test1.example.net CNAME .
diff --git a/bin/tests/system/rpzrecurse/ns2/named.clientip.conf b/bin/tests/system/rpzrecurse/ns2/named.clientip.conf
new file mode 100644
index 0000000..a9ec4ca
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/named.clientip.conf
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# common configuration
+include "named.conf.header";
+
+view "recursive" {
+    zone "." {
+	type hint;
+	file "root.hint";
+    };
+
+    # policy configuration to be tested
+    response-policy {
+	zone "clientip1";
+	zone "clientip2";
+    } qname-wait-recurse no
+	nsdname-enable yes
+	nsip-enable yes;
+
+    # policy zones to be tested
+    zone "clientip1" { type primary; file "db.clientip1"; };
+    zone "clientip2" { type primary; file "db.clientip2"; };
+
+    recursion yes;
+    dnssec-validation yes;
+};
diff --git a/bin/tests/system/rpzrecurse/ns2/named.clientip2.conf b/bin/tests/system/rpzrecurse/ns2/named.clientip2.conf
new file mode 100644
index 0000000..39b67d8
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/named.clientip2.conf
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# common configuration
+include "named.conf.header";
+
+view "recursive" {
+    zone "." {
+	type hint;
+	file "root.hint";
+    };
+
+    servfail-ttl 0;
+
+    # policy configuration to be tested
+    response-policy {
+	zone "clientip21";
+    } qname-wait-recurse no
+	nsdname-enable yes
+	nsip-enable yes;
+
+    # policy zones to be tested
+    zone "clientip21" { type primary; file "db.clientip21"; };
+
+    recursion yes;
+    dnssec-validation yes;
+};
diff --git a/bin/tests/system/rpzrecurse/ns2/named.conf.header.in b/bin/tests/system/rpzrecurse/ns2/named.conf.header.in
new file mode 100644
index 0000000..2fb1678
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/named.conf.header.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	querylog yes;
+
+	# let ns3 start dnsrpzd
+	include "../dnsrps-secondary.conf";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
diff --git a/bin/tests/system/rpzrecurse/ns2/named.default.conf b/bin/tests/system/rpzrecurse/ns2/named.default.conf
new file mode 100644
index 0000000..929b88f
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/named.default.conf
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# common configuration
+include "named.conf.header";
+
+view "recursive" {
+    zone "." {
+	type hint;
+	file "root.hint";
+    };
+
+    recursion yes;
+    dnssec-validation yes;
+};
diff --git a/bin/tests/system/rpzrecurse/ns2/named.invalidprefixlength.conf b/bin/tests/system/rpzrecurse/ns2/named.invalidprefixlength.conf
new file mode 100644
index 0000000..2f2b735
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/named.invalidprefixlength.conf
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# common configuration
+include "named.conf.header";
+
+view "recursive" {
+    zone "." {
+	type hint;
+	file "root.hint";
+    };
+
+    # policy configuration to be tested
+    response-policy {
+	zone "invalidprefixlength";
+    };
+
+    # policy zones to be tested
+    zone "invalidprefixlength" { type primary; file "db.invalidprefixlength"; };
+};
diff --git a/bin/tests/system/rpzrecurse/ns2/named.log.conf b/bin/tests/system/rpzrecurse/ns2/named.log.conf
new file mode 100644
index 0000000..a19367e
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/named.log.conf
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# common configuration
+include "named.conf.header";
+
+view "recursive" {
+    zone "." {
+	type hint;
+	file "root.hint";
+    };
+
+    # policy configuration to be tested
+    response-policy {
+	zone "log1" log no;
+	zone "log2" log yes;
+	zone "log3"; # missing log clause
+    } qname-wait-recurse no
+	nsdname-enable yes
+	nsip-enable yes;
+
+    # policy zones to be tested
+    zone "log1" { type primary; file "db.log1"; };
+    zone "log2" { type primary; file "db.log2"; };
+    zone "log3" { type primary; file "db.log3"; };
+
+    recursion yes;
+    dnssec-validation yes;
+};
diff --git a/bin/tests/system/rpzrecurse/ns2/named.max.conf b/bin/tests/system/rpzrecurse/ns2/named.max.conf
new file mode 100644
index 0000000..b07783b
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/named.max.conf
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# common configuration
+include "named.conf.header";
+
+view "recursive" {
+    zone "." {
+	type hint;
+	file "root.hint";
+    };
+
+    # policy configuration to be tested
+    response-policy {
+	zone "max1";
+	zone "max2";
+	zone "max3";
+	zone "max4";
+	zone "max5";
+	zone "max6";
+	zone "max7";
+	zone "max8";
+	zone "max9";
+	zone "max10";
+	zone "max11";
+	zone "max12";
+	zone "max13";
+	zone "max14";
+	zone "max15";
+	zone "max16";
+	zone "max17";
+	zone "max18";
+	zone "max19";
+	zone "max20";
+	zone "max21";
+	zone "max22";
+	zone "max23";
+	zone "max24";
+	zone "max25";
+	zone "max26";
+	zone "max27";
+	zone "max28";
+	zone "max29";
+	zone "max30";
+	zone "max31";
+	zone "max32";
+	zone "max33";
+	zone "max34";
+	zone "max35";
+	zone "max36";
+	zone "max37";
+	zone "max38";
+	zone "max39";
+	zone "max40";
+	zone "max41";
+	zone "max42";
+	zone "max43";
+	zone "max44";
+	zone "max45";
+	zone "max46";
+	zone "max47";
+	zone "max48";
+	zone "max49";
+	zone "max50";
+	zone "max51";
+	zone "max52";
+	zone "max53";
+	zone "max54";
+	zone "max55";
+	zone "max56";
+	zone "max57";
+	zone "max58";
+	zone "max59";
+	zone "max60";
+	zone "max61";
+	zone "max62";
+	zone "max63";
+	zone "max64";
+    } qname-wait-recurse no
+	nsdname-enable yes
+	nsip-enable yes;
+
+    # policy zones to be tested
+    zone "max1" { type primary; file "db.max1.local"; };
+    zone "max2" { type primary; file "db.max2.local"; };
+    zone "max3" { type primary; file "db.max3.local"; };
+    zone "max4" { type primary; file "db.max4.local"; };
+    zone "max5" { type primary; file "db.max5.local"; };
+    zone "max6" { type primary; file "db.max6.local"; };
+    zone "max7" { type primary; file "db.max7.local"; };
+    zone "max8" { type primary; file "db.max8.local"; };
+    zone "max9" { type primary; file "db.max9.local"; };
+    zone "max10" { type primary; file "db.max10.local"; };
+    zone "max11" { type primary; file "db.max11.local"; };
+    zone "max12" { type primary; file "db.max12.local"; };
+    zone "max13" { type primary; file "db.max13.local"; };
+    zone "max14" { type primary; file "db.max14.local"; };
+    zone "max15" { type primary; file "db.max15.local"; };
+    zone "max16" { type primary; file "db.max16.local"; };
+    zone "max17" { type primary; file "db.max17.local"; };
+    zone "max18" { type primary; file "db.max18.local"; };
+    zone "max19" { type primary; file "db.max19.local"; };
+    zone "max20" { type primary; file "db.max20.local"; };
+    zone "max21" { type primary; file "db.max21.local"; };
+    zone "max22" { type primary; file "db.max22.local"; };
+    zone "max23" { type primary; file "db.max23.local"; };
+    zone "max24" { type primary; file "db.max24.local"; };
+    zone "max25" { type primary; file "db.max25.local"; };
+    zone "max26" { type primary; file "db.max26.local"; };
+    zone "max27" { type primary; file "db.max27.local"; };
+    zone "max28" { type primary; file "db.max28.local"; };
+    zone "max29" { type primary; file "db.max29.local"; };
+    zone "max30" { type primary; file "db.max30.local"; };
+    zone "max31" { type primary; file "db.max31.local"; };
+    zone "max32" { type primary; file "db.max32.local"; };
+    zone "max33" { type primary; file "db.max33.local"; };
+    zone "max34" { type primary; file "db.max34.local"; };
+    zone "max35" { type primary; file "db.max35.local"; };
+    zone "max36" { type primary; file "db.max36.local"; };
+    zone "max37" { type primary; file "db.max37.local"; };
+    zone "max38" { type primary; file "db.max38.local"; };
+    zone "max39" { type primary; file "db.max39.local"; };
+    zone "max40" { type primary; file "db.max40.local"; };
+    zone "max41" { type primary; file "db.max41.local"; };
+    zone "max42" { type primary; file "db.max42.local"; };
+    zone "max43" { type primary; file "db.max43.local"; };
+    zone "max44" { type primary; file "db.max44.local"; };
+    zone "max45" { type primary; file "db.max45.local"; };
+    zone "max46" { type primary; file "db.max46.local"; };
+    zone "max47" { type primary; file "db.max47.local"; };
+    zone "max48" { type primary; file "db.max48.local"; };
+    zone "max49" { type primary; file "db.max49.local"; };
+    zone "max50" { type primary; file "db.max50.local"; };
+    zone "max51" { type primary; file "db.max51.local"; };
+    zone "max52" { type primary; file "db.max52.local"; };
+    zone "max53" { type primary; file "db.max53.local"; };
+    zone "max54" { type primary; file "db.max54.local"; };
+    zone "max55" { type primary; file "db.max55.local"; };
+    zone "max56" { type primary; file "db.max56.local"; };
+    zone "max57" { type primary; file "db.max57.local"; };
+    zone "max58" { type primary; file "db.max58.local"; };
+    zone "max59" { type primary; file "db.max59.local"; };
+    zone "max60" { type primary; file "db.max60.local"; };
+    zone "max61" { type primary; file "db.max61.local"; };
+    zone "max62" { type primary; file "db.max62.local"; };
+    zone "max63" { type primary; file "db.max63.local"; };
+    zone "max64" { type primary; file "db.max64.local"; };
+
+    recursion yes;
+    dnssec-validation yes;
+};
diff --git a/bin/tests/system/rpzrecurse/ns2/named.wildcard1.conf b/bin/tests/system/rpzrecurse/ns2/named.wildcard1.conf
new file mode 100644
index 0000000..23ef4eb
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/named.wildcard1.conf
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# common configuration
+include "named.conf.header";
+
+view "recursive" {
+    zone "." {
+	type hint;
+	file "root.hint";
+    };
+
+    # policy configuration to be tested
+    response-policy {
+	zone "wildcard1" policy NXDOMAIN;
+    } qname-wait-recurse yes
+	nsdname-enable yes
+	nsip-enable yes;
+
+    # policy zones to be tested
+    zone "wildcard1" { type primary; file "db.wildcard1"; };
+
+    recursion yes;
+    dnssec-validation yes;
+};
diff --git a/bin/tests/system/rpzrecurse/ns2/named.wildcard2.conf b/bin/tests/system/rpzrecurse/ns2/named.wildcard2.conf
new file mode 100644
index 0000000..b570b47
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/named.wildcard2.conf
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# common configuration
+include "named.conf.header";
+
+view "recursive" {
+    zone "." {
+	type hint;
+	file "root.hint";
+    };
+
+    # policy configuration to be tested
+    response-policy {
+	zone "wildcard2a" policy NXDOMAIN;
+	zone "wildcard2b" policy NXDOMAIN;
+    } qname-wait-recurse yes
+	nsdname-enable yes
+	nsip-enable yes;
+
+    # policy zones to be tested
+    zone "wildcard2a" { type primary; file "db.wildcard2a"; };
+    zone "wildcard2b" { type primary; file "db.wildcard2b"; };
+
+    recursion yes;
+    dnssec-validation yes;
+};
diff --git a/bin/tests/system/rpzrecurse/ns2/named.wildcard3.conf b/bin/tests/system/rpzrecurse/ns2/named.wildcard3.conf
new file mode 100644
index 0000000..befb7d2
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/named.wildcard3.conf
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# common configuration
+include "named.conf.header";
+
+view "recursive" {
+    zone "." {
+	type hint;
+	file "root.hint";
+    };
+
+    # policy configuration to be tested
+    response-policy {
+	zone "wildcard3" policy NXDOMAIN;
+    } qname-wait-recurse yes
+	nsdname-enable yes
+	nsip-enable yes;
+
+    # policy zones to be tested
+    zone "wildcard3" { type primary; file "db.wildcard3"; };
+
+    recursion yes;
+    dnssec-validation yes;
+};
diff --git a/bin/tests/system/rpzrecurse/ns2/named.wildcard4.conf b/bin/tests/system/rpzrecurse/ns2/named.wildcard4.conf
new file mode 100644
index 0000000..e18f496
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/named.wildcard4.conf
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# common configuration
+include "named.conf.header";
+
+view "recursive" {
+	# policy configuration to be tested
+	response-policy {
+		zone "passthru.zone" policy passthru;
+		zone "given.zone" policy given;
+	} qname-wait-recurse yes
+	nsdname-enable yes
+	nsip-enable yes;
+
+	# policy zones to be tested
+	zone "passthru.zone" { type primary; file "db.passthru"; };
+	zone "given.zone" { type primary; file "db.given"; };
+
+	zone "." {
+		type hint;
+		file "root.hint";
+	};
+
+	recursion yes;
+	dnssec-validation yes;
+};
diff --git a/bin/tests/system/rpzrecurse/ns2/root.hint b/bin/tests/system/rpzrecurse/ns2/root.hint
new file mode 100644
index 0000000..ced47f3
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns2/root.hint
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 999999
+.			IN NS	ns.example.
+ns.example.		IN A	10.53.0.1
diff --git a/bin/tests/system/rpzrecurse/ns3/example.db b/bin/tests/system/rpzrecurse/ns3/example.db
new file mode 100644
index 0000000..201a174
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns3/example.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 0
+@			SOA	. . 0 0 0 0 0
+@			NS	ns
+ns			A	10.53.0.3
+child			NS	ns.child
+ns.child		A	10.53.0.4
diff --git a/bin/tests/system/rpzrecurse/ns3/named1.conf.in b/bin/tests/system/rpzrecurse/ns3/named1.conf.in
new file mode 100644
index 0000000..f838535
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns3/named1.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	response-policy { zone "policy"; }
+		qname-wait-recurse yes
+		nsip-enable yes
+		nsdname-enable yes;
+
+	include "../dnsrps.conf";
+};
+
+zone "policy" { type primary; file "policy.db"; };
+
+zone "example.tld" { type primary; file "example.db"; };
+
+zone "." { type primary; file "root.db"; };
diff --git a/bin/tests/system/rpzrecurse/ns3/named2.conf.in b/bin/tests/system/rpzrecurse/ns3/named2.conf.in
new file mode 100644
index 0000000..40f6b49
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns3/named2.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	response-policy { zone "policy"; } nsip-wait-recurse no
+		qname-wait-recurse yes
+		nsip-enable yes
+		nsdname-enable yes;
+
+	include "../dnsrps.conf";
+};
+
+zone "policy" { type primary; file "policy.db"; };
+
+zone "example.tld" { type primary; file "example.db"; };
+
+zone "." { type primary; file "root.db"; };
diff --git a/bin/tests/system/rpzrecurse/ns3/named3.conf.in b/bin/tests/system/rpzrecurse/ns3/named3.conf.in
new file mode 100644
index 0000000..3926bf9
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns3/named3.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	response-policy { zone "policy"; } nsdname-wait-recurse no
+		nsdname-enable yes;
+
+	include "../dnsrps.conf";
+};
+
+zone "policy" { type primary; file "policy.db"; };
+
+zone "example.tld" { type primary; file "example.db"; };
+
+zone "." { type primary; file "root.db"; };
diff --git a/bin/tests/system/rpzrecurse/ns3/policy.db b/bin/tests/system/rpzrecurse/ns3/policy.db
new file mode 100644
index 0000000..526d75c
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns3/policy.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 0
+@			SOA	. . 0 0 0 0 0
+@			NS	.
+32.100.0.53.10.rpz-nsip	CNAME	.
diff --git a/bin/tests/system/rpzrecurse/ns3/root.db b/bin/tests/system/rpzrecurse/ns3/root.db
new file mode 100644
index 0000000..665953d
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns3/root.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 0
+@			SOA	. . 0 0 0 0 0
+@			NS	ns
+ns			A	10.53.0.3
+foo			NS	foo.ns5
+ns5.foo			A	10.53.0.5
diff --git a/bin/tests/system/rpzrecurse/ns4/child.example.db b/bin/tests/system/rpzrecurse/ns4/child.example.db
new file mode 100644
index 0000000..47a90fb
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns4/child.example.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 0
+@			SOA	. . 0 0 0 0 0
+@			NS	ns
+ns			A	10.53.0.4
+foo			NS	ns.foo
+foo			NS	ns.foo.
+ns.foo			A	10.53.0.5
diff --git a/bin/tests/system/rpzrecurse/ns4/named.conf.in b/bin/tests/system/rpzrecurse/ns4/named.conf.in
new file mode 100644
index 0000000..b8d87b9
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/ns4/named.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "child.example.tld" { type primary; file "child.example.db"; };
diff --git a/bin/tests/system/rpzrecurse/setup.sh b/bin/tests/system/rpzrecurse/setup.sh
new file mode 100644
index 0000000..4dcd5ed
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/setup.sh
@@ -0,0 +1,87 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# touch dnsrps-off to not test with DNSRPS
+
+set -e
+
+. ../conf.sh
+
+USAGE="$0: [-DNx]"
+DEBUG=
+while getopts "DNx" c; do
+    case $c in
+	x) set -x; DEBUG=-x;;
+        D) TEST_DNSRPS="-D";;
+	N) NOCLEAN=set;;
+	*) echo "$USAGE" 1>&2; exit 1;;
+    esac
+done
+shift $((OPTIND - 1))
+if test "$#" -ne 0; then
+    echo "$USAGE" 1>&2
+    exit 1
+fi
+
+[ ${NOCLEAN:-unset} = unset ] && $SHELL clean.sh $DEBUG
+
+$PERL testgen.pl
+
+copy_setports ns1/named.conf.in ns1/named.conf
+
+copy_setports ns2/named.conf.header.in ns2/named.conf.header
+copy_setports ns2/named.default.conf ns2/named.conf
+
+copy_setports ns3/named1.conf.in ns3/named.conf
+
+copy_setports ns4/named.conf.in ns4/named.conf
+
+# setup policy zones for a 64-zone test
+i=1
+while test $i -le 64
+do
+    echo "\$TTL 60" > ns2/db.max$i.local
+    echo "@ IN SOA root.ns ns 1996072700 3600 1800 86400 60" >> ns2/db.max$i.local
+    echo "     NS ns" >> ns2/db.max$i.local
+    echo "ns   A 127.0.0.1" >> ns2/db.max$i.local
+
+    j=1
+    while test $j -le $i
+    do
+	echo "name$j A 10.53.0.$i" >> ns2/db.max$i.local
+	j=$((j + 1))
+    done
+    i=$((i + 1))
+done
+
+# decide whether to test DNSRPS
+$SHELL ../ckdnsrps.sh $TEST_DNSRPS $DEBUG
+test -z "$(grep 'dnsrps-enable yes' dnsrps.conf)" && TEST_DNSRPS=
+
+CWD=$(pwd)
+cat <<EOF >dnsrpzd.conf
+PID-FILE $CWD/dnsrpzd.pid;
+
+include $CWD/dnsrpzd-license-cur.conf
+
+zone "policy" { type primary; file "`pwd`/ns3/policy.db"; };
+EOF
+sed -n -e 's/^ *//' -e "/zone.*.*primary/s@file \"@&$CWD/ns2/@p" ns2/*.conf \
+    >>dnsrpzd.conf
+
+# Run dnsrpzd to get the license and prime the static policy zones
+if test -n "$TEST_DNSRPS"; then
+    DNSRPZD="$(../rpz/dnsrps -p)"
+    "$DNSRPZD" -D./dnsrpzd.rpzf -S./dnsrpzd.sock -C./dnsrpzd.conf \
+		-w 0 -dddd -L stdout >./dnsrpzd.run 2>&1
+fi
diff --git a/bin/tests/system/rpzrecurse/testgen.pl b/bin/tests/system/rpzrecurse/testgen.pl
new file mode 100755
index 0000000..4131bd9
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/testgen.pl
@@ -0,0 +1,343 @@
+#!/usr/bin/env perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use strict;
+use warnings;
+
+my $boilerplate_header = <<'EOB';
+# common configuration
+include "named.conf.header";
+
+view "recursive" {
+    zone "." {
+        type hint;
+        file "root.hint";
+    };
+
+    # policy configuration to be tested
+    response-policy {
+EOB
+
+my $no_option = <<'EOB';
+    } nsdname-enable yes nsip-enable yes;
+
+    # policy zones to be tested
+EOB
+
+my $qname_wait_recurse = <<'EOB';
+    } nsdname-enable yes nsip-enable yes qname-wait-recurse no;
+
+    # policy zones to be tested
+EOB
+
+my $boilerplate_end = <<'EOB';
+};
+EOB
+
+my $policy_option = $qname_wait_recurse;
+
+my $serialnum = "1";
+my $policy_zone_header = <<'EOH';
+$TTL 60
+@ IN SOA root.ns ns SERIAL 3600 1800 86400 60
+     NS ns
+ns A 127.0.0.1
+EOH
+
+sub policy_client_ip {
+    return "32.1.0.0.127.rpz-client-ip CNAME .\n";
+}
+
+sub policy_qname {
+    my $query_nbr = shift;
+    return sprintf "q%02d.l2.l1.l0 CNAME .\n", $query_nbr;
+}
+
+sub policy_ip {
+    return "32.255.255.255.255.rpz-ip CNAME .\n";
+}
+
+sub policy_nsdname {
+    return "ns.example.org.rpz-nsdname CNAME .\n";
+}
+
+sub policy_nsip {
+    return "32.255.255.255.255.rpz-ip CNAME .\n";
+}
+
+my %static_triggers = (
+    'client-ip' => \&policy_client_ip,
+    'ip'        => \&policy_ip,
+    'nsdname'   => \&policy_nsdname,
+    'nsip'      => \&policy_nsip,
+);
+
+sub mkconf {
+    my $case_id = shift;
+    my $n_queries = shift;
+
+    { # generate the query list
+        my $query_list_filename = "ns2/$case_id.queries";
+        my $query_list_fh;
+
+        open $query_list_fh, ">$query_list_filename" or die;
+
+        for( my $i = 1; $i <= $n_queries; $i++ ) {
+            print $query_list_fh sprintf "q%02d.l2.l1.l0\n", $i;
+        }
+    }
+
+    my @zones;
+
+    { # generate the conf file
+        my $conf_filename = "ns2/named.$case_id.conf";
+
+        my $conf_fh;
+
+        open $conf_fh, ">$conf_filename" or die;
+
+        print $conf_fh $boilerplate_header;
+
+        my $zone_seq = 0;
+
+        @zones = map {
+            [
+                sprintf( "$case_id.%02d.policy.local", $zone_seq++ ),
+                $_,
+            ];
+        } @_;
+
+        print $conf_fh map { qq{        zone "$_->[0]";\n} } @zones;
+
+        print $conf_fh $policy_option;
+
+        print $conf_fh map { qq{    zone "$_->[0]" { type primary; file "db.$_->[0]"; };\n} } @zones;
+
+        print $conf_fh $boilerplate_end;
+    }
+
+    # generate the policy zone contents
+    foreach my $policy_zone_info( @zones ) {
+        my $policy_zone_name = $policy_zone_info->[0];
+        my $policy_zone_contents = $policy_zone_info->[1];
+
+        my $policy_zone_filename = "ns2/db.$policy_zone_name";
+        my $policy_zone_fh;
+
+        open $policy_zone_fh, ">$policy_zone_filename" or die;
+
+        my $header = $policy_zone_header;
+        $header =~ s/SERIAL/$serialnum/;
+        print $policy_zone_fh $header;
+
+        foreach my $trigger( @$policy_zone_contents ) {
+            if( exists $static_triggers{$trigger} ) {
+                # matches a trigger type with a static value
+                print $policy_zone_fh $static_triggers{$trigger}->();
+            }
+            else {
+                # a qname trigger, where what was specified is the query number it should match
+                print $policy_zone_fh policy_qname( $trigger );
+            }
+        }
+    }
+}
+
+mkconf(
+    '1a',
+    1,
+    [ 'client-ip' ],
+);
+
+mkconf(
+    '1b',
+    2,
+    [ 1 ],
+);
+
+mkconf(
+    '1c',
+    1,
+    [ 'client-ip', 2 ],
+);
+
+mkconf(
+    '2a',
+    33,
+    map { [ $_ ]; }  1 .. 32
+);
+
+mkconf(
+    '3a',
+    1,
+    [ 'ip' ],
+);
+
+mkconf(
+    '3b',
+    1,
+    [ 'nsdname' ],
+);
+
+mkconf(
+    '3c',
+    1,
+    [ 'nsip' ],
+);
+
+mkconf(
+    '3d',
+    2,
+    [ 'ip', 1 ]
+);
+
+mkconf(
+    '3e',
+    2,
+    [ 'nsdname', 1 ]
+);
+
+mkconf(
+    '3f',
+    2,
+    [ 'nsip', 1 ]
+);
+
+{
+    my $seq_code = 'aa';
+    my $seq_nbr = 0;
+
+    while( $seq_nbr < 32 ) {
+
+        mkconf(
+            "4$seq_code",
+            33,
+            ( map { [ $_ ]; } 1 .. $seq_nbr ),
+            [ 'ip', $seq_nbr + 2 ],
+            ( map { [ $_ + 2 ]; } ($seq_nbr + 1) .. 31 ),
+        );
+
+        $seq_code++;
+        $seq_nbr++;
+    }
+}
+
+mkconf(
+    '5a',
+    6,
+    [ 1 ],
+    [ 2, 'ip' ],
+    [ 4 ],
+    [ 5, 'ip' ],
+    [ 6 ],
+);
+
+$policy_option = $no_option;
+
+mkconf(
+    '6a',
+    0,
+    [ ],
+);
+
+$serialnum = "2";
+mkconf(
+    '6b',
+    0,
+    [ 'nsdname' ],
+);
+
+$serialnum = "3";
+mkconf(
+    '6c',
+    0,
+    [ ],
+);
+
+__END__
+
+0x01 - has client-ip
+    32.1.0.0.127.rpz-client-ip CNAME .
+0x02 - has qname
+    qX.l2.l1.l0 CNAME .
+0x10 - has ip
+    32.255.255.255.255.rpz-ip CNAME .
+0x20 - has nsdname
+    ns.example.org.rpz-nsdname CNAME .
+0x40 - has nsip
+    32.255.255.255.255.rpz-nsip CNAME .
+
+$case.$seq.policy.local
+
+case 1a = 0x01
+    .q01 = (00,0x01)=-r
+case 1b = 0x02
+    .q01 = (00,0x02)=-r
+    .q02 = (--,----)=+r
+case 1c = 0x03
+    .q01 = (00,0x01)=-r
+
+case 2a = 0x03{32}
+    .q01 = (00,0x02)=-r
+    .q02 = (01,0x02)=-r
+     ...
+    .q31 = (30,0x02)=-r
+    .q32 = (31,0x02)=-r
+    .q33 = (--,----)=+r
+
+case 3a = 0x10
+    .q01 = (00,0x10)=+r
+case 3b = 0x20
+    .q01 = (00,0x20)=+r
+case 3c = 0x40
+    .q01 = (00,0x40)=+r
+case 3d = 0x12
+    .q01 = (00,0x10)=+r
+    .q02 = (00,0x02)=-r
+case 3e = 0x22
+    .q01 = (00,0x20)=+r
+    .q02 = (00,0x02)=-r
+case 3f = 0x42
+    .q01 = (00,0x40)=+r
+    .q02 = (00,0x02)=-r
+
+case 4aa = 0x12,0x02{31}
+    .q01 = (00,0x10)=+r
+    .q02 = (00,0x02)=-r
+    .q03 = (01,0x02)=+r
+     ...
+    .q32 = (30,0x02)=+r
+    .q33 = (31,0x02)=+r
+case 4__ = 0x02{n(1->30)},0x12,0x02{31-n}
+    .q01 = (00,0x02)=-r
+     ...
+    .q(n+1) = (n,0x10)=+r
+    .q(n+2) = (n,0x02)=-r
+     ...
+    .q33 = (31,0x02)=+r
+case 4bf = 0x02{31},0x12
+    .q01 = (00,0x02)=-r
+    .q02 = (01,0x02)=-r
+     ...
+    .q31 = (30,0x02)=-r
+    .q32 = (31,0x10)=+r
+    .q33 = (31,0x02)=-r
+
+case 5a = 0x02,0x12,0x02,0x12,0x02
+    .q01 = (00,0x02)=-r
+    .q02 = (01,0x02)=-r
+    .q03 = (01,0x10)=+r
+    .q04 = (02,0x02)=+r
+    .q05 = (03,0x02)=+r
+    .q06 = (04,0x02)=+r
+
diff --git a/bin/tests/system/rpzrecurse/tests.sh b/bin/tests/system/rpzrecurse/tests.sh
new file mode 100644
index 0000000..eed53e8
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/tests.sh
@@ -0,0 +1,563 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# touch dnsrps-off to not test with DNSRPS
+# touch dnsrps-only to not test with classic RPZ
+
+. ../conf.sh
+
+status=0
+
+t=0
+
+DEBUG=
+ARGS=
+
+USAGE="$0: [-xS]"
+while getopts "xS:" c; do
+    case $c in
+	x) set -x; DEBUG=-x; ARGS="$ARGS -x";;
+	S) SAVE_RESULTS=-S; ARGS="$ARGS -S";;
+	*) echo "$USAGE" 1>&2; exit 1;;
+    esac
+done
+shift $((OPTIND - 1))
+if test "$#" -ne 0; then
+    echo "$USAGE" 1>&2
+    exit 1
+fi
+# really quit on control-C
+trap 'exit 1' 1 2 15
+
+DNSRPSCMD=../rpz/dnsrps
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+# $1 = test name (such as 1a, 1b, etc. for which named.$1.conf exists)
+run_server() {
+    TESTNAME=$1
+
+    echo_i "stopping resolver"
+    stop_server --use-rndc --port ${CONTROLPORT} ns2
+
+    sleep 1
+
+    echo_i "starting resolver using named.$TESTNAME.conf"
+    cp -f ns2/named.$TESTNAME.conf ns2/named.conf
+    start_server --noclean --restart --port ${PORT} ns2
+    sleep 3
+}
+
+run_query() {
+    TESTNAME=$1
+    LINE=$2
+
+    NAME=$(sed -n -e "$LINE,"'$p' ns2/$TESTNAME.queries | head -n 1)
+    $DIG $DIGOPTS $NAME a @10.53.0.2 -p ${PORT} -b 127.0.0.1 > dig.out.${t}
+    grep "status: SERVFAIL" dig.out.${t} > /dev/null 2>&1 && return 1
+    return 0
+}
+
+# $1 = test name (such as 1a, 1b, etc. for which $1.queries exists)
+# $2 = line number in query file to test (the name to query is taken from this line)
+expect_norecurse() {
+    TESTNAME=$1
+    LINE=$2
+
+    NAME=$(sed -n -e "$LINE,"'$p' ns2/$TESTNAME.queries | head -n 1)
+    t=$((t + 1))
+    echo_i "testing $NAME doesn't recurse (${t})"
+    add_test_marker 10.53.0.2
+    run_query $TESTNAME $LINE || {
+	echo_i "test ${t} failed"
+	status=1
+    }
+}
+
+# $1 = test name (such as 1a, 1b, etc. for which $1.queries exists)
+# $2 = line number in query file to test (the name to query is taken from this line)
+expect_recurse() {
+    TESTNAME=$1
+    LINE=$2
+
+    NAME=$(sed -n -e "$LINE,"'$p' ns2/$TESTNAME.queries | head -n 1)
+    t=$((t + 1))
+    echo_i "testing $NAME recurses (${t})"
+    add_test_marker 10.53.0.2
+    run_query $TESTNAME $LINE && {
+	echo_i "test ${t} failed"
+	status=1
+    }
+    return 0
+}
+
+add_test_marker() {
+    for ns in $@
+    do
+	$RNDCCMD $ns null ---- test ${t} ----
+    done
+}
+
+native=0
+dnsrps=0
+for mode in native dnsrps; do
+  status=0
+  case $mode in
+  native)
+    if [ -e dnsrps-only ] ; then
+      echo_i "'dnsrps-only' found: skipping native RPZ sub-test"
+      continue
+    else
+      echo_i "running native RPZ sub-test"
+    fi
+    ;;
+  dnsrps)
+    if [ -e dnsrps-off ] ; then
+      echo_i "'dnsrps-off' found: skipping DNSRPS sub-test"
+      continue
+    fi
+    echo_i "attempting to configure servers with DNSRPS..."
+    stop_server --use-rndc --port ${CONTROLPORT}
+    $SHELL ./setup.sh -N -D $DEBUG
+    sed -n 's/^## //p' dnsrps.conf | cat_i
+    if grep '^#fail' dnsrps.conf >/dev/null; then
+      echo_i "exit status: 1"
+      exit 1
+    fi
+    if grep '^#skip' dnsrps.conf > /dev/null; then
+      echo_i "DNSRPS sub-test skipped"
+      continue
+    else
+      echo_i "running DNSRPS sub-test"
+      start_server --noclean --restart --port ${PORT}
+      sleep 3
+    fi
+    ;;
+  esac
+
+  # show whether and why DNSRPS is enabled or disabled
+  sed -n 's/^## //p' dnsrps.conf | cat_i
+
+  t=$((t + 1))
+  echo_i "testing that l1.l0 exists without RPZ (${t})"
+  add_test_marker 10.53.0.2
+  $DIG $DIGOPTS l1.l0 ns @10.53.0.2 -p ${PORT} > dig.out.${t}
+  grep "status: NOERROR" dig.out.${t} > /dev/null 2>&1 || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+
+  t=$((t + 1))
+  echo_i "testing that l2.l1.l0 returns SERVFAIL without RPZ (${t})"
+  add_test_marker 10.53.0.2
+  $DIG $DIGOPTS l2.l1.l0 ns @10.53.0.2 -p ${PORT} > dig.out.${t}
+  grep "status: SERVFAIL" dig.out.${t} > /dev/null 2>&1 || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+
+  # Group 1
+  run_server 1a
+  expect_norecurse 1a 1
+  run_server 1b
+  expect_norecurse 1b 1
+  expect_recurse 1b 2
+  run_server 1c
+  expect_norecurse 1c 1
+
+  # Group 2
+  run_server 2a
+  for n in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 \
+	   21 22 23 24 25 26 27 28 29 30 31 32
+  do
+    expect_norecurse 2a $n
+  done
+  expect_recurse 2a 33
+
+  # Group 3
+  run_server 3a
+  expect_recurse 3a 1
+  run_server 3b
+  expect_recurse 3b 1
+  run_server 3c
+  expect_recurse 3c 1
+  run_server 3d
+  expect_norecurse 3d 1
+  expect_recurse 3d 2
+  run_server 3e
+  expect_norecurse 3e 1
+  expect_recurse 3e 2
+  run_server 3f
+  expect_norecurse 3f 1
+  expect_recurse 3f 2
+
+  # Group 4
+  testlist="aa ap bf"
+  values="1 16 32"
+  # Uncomment the following to test every skip value instead of
+  # only a sample of values
+  #
+  #testlist="aa ab ac ad ae af ag ah ai aj ak al am an ao ap \
+  #          aq ar as at au av aw ax ay az ba bb bc bd be bf"
+  #values="1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 \
+  #        21 22 23 24 25 26 27 28 29 30 31 32"
+  set -- $values
+  for n in $testlist; do
+    run_server 4$n
+    ni=$1
+    t=$((t + 1))
+    echo_i "testing that ${ni} of 33 queries skip recursion (${t})"
+    add_test_marker 10.53.0.2
+    c=0
+    for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 \
+	     17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
+    do
+      run_query 4$n $i || c=$((c + 1))
+    done
+    skipped=$((33 - c))
+    if [ $skipped != $ni ]; then
+      echo_i "test $t failed (actual=$skipped, expected=$ni)"
+      status=1
+    fi
+    shift
+  done
+
+  # Group 5
+  run_server 5a
+  expect_norecurse 5a 1
+  expect_norecurse 5a 2
+  expect_recurse 5a 3
+  expect_recurse 5a 4
+  expect_recurse 5a 5
+  expect_recurse 5a 6
+
+  # Group 6
+  echo_i "check recursive behavior consistency during policy update races"
+  run_server 6a
+  sleep 1
+  t=$((t + 1))
+  echo_i "running dig to cache CNAME record (${t})"
+  add_test_marker 10.53.0.1 10.53.0.2
+  $DIG $DIGOPTS @10.53.0.2 -p ${PORT} www.test.example.org CNAME > dig.out.${t}
+  sleep 1
+  echo_i "suspending authority server"
+  PID=$(cat ns1/named.pid)
+  kill -STOP $PID
+  echo_i "adding an NSDNAME policy"
+  cp ns2/db.6a.00.policy.local ns2/saved.policy.local
+  cp ns2/db.6b.00.policy.local ns2/db.6a.00.policy.local
+  $RNDC -c ../common/rndc.conf -s 10.53.0.2 -p ${CONTROLPORT} reload 6a.00.policy.local 2>&1 | sed 's/^/ns2 /' | cat_i
+  test -f dnsrpzd.pid && kill -USR1 $(cat dnsrpzd.pid) || true
+  sleep 1
+  t=$((t + 1))
+  echo_i "running dig to follow CNAME (blocks, so runs in the background) (${t})"
+  add_test_marker 10.53.0.2
+  $DIG $DIGOPTS @10.53.0.2 -p ${PORT} www.test.example.org A +time=5 > dig.out.${t} &
+  sleep 1
+  echo_i "removing the NSDNAME policy"
+  cp ns2/db.6c.00.policy.local ns2/db.6a.00.policy.local
+  $RNDC -c ../common/rndc.conf -s 10.53.0.2 -p ${CONTROLPORT} reload 6a.00.policy.local 2>&1 | sed 's/^/ns2 /' | cat_i
+  test -f dnsrpzd.pid && kill -USR1 $(cat dnsrpzd.pid) || true
+  sleep 1
+  echo_i "resuming authority server"
+  PID=$(cat ns1/named.pid)
+  kill -CONT $PID
+  add_test_marker 10.53.0.1
+  for n in 1 2 3 4 5 6 7 8 9
+  do
+    sleep 1
+    [ -s dig.out.${t} ] || continue
+    grep "status: .*," dig.out.${t} > /dev/null 2>&1 && break
+  done
+  grep "status: NOERROR" dig.out.${t} > /dev/null 2>&1 || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+
+  echo_i "check recursive behavior consistency during policy removal races"
+  cp ns2/saved.policy.local ns2/db.6a.00.policy.local
+  run_server 6a
+  sleep 1
+  t=$((t + 1))
+  echo_i "running dig to cache CNAME record (${t})"
+  add_test_marker 10.53.0.1 10.53.0.2
+  $DIG $DIGOPTS @10.53.0.2 -p ${PORT} www.test.example.org CNAME > dig.out.${t}
+  sleep 1
+  echo_i "suspending authority server"
+  PID=$(cat ns1/named.pid)
+  kill -STOP $PID
+  echo_i "adding an NSDNAME policy"
+  cp ns2/db.6b.00.policy.local ns2/db.6a.00.policy.local
+  $RNDC -c ../common/rndc.conf -s 10.53.0.2 -p ${CONTROLPORT} reload 6a.00.policy.local 2>&1 | sed 's/^/ns2 /' | cat_i
+  test -f dnsrpzd.pid && kill -USR1 $(cat dnsrpzd.pid) || true
+  sleep 1
+  t=$((t + 1))
+  echo_i "running dig to follow CNAME (blocks, so runs in the background) (${t})"
+  add_test_marker 10.53.0.2
+  $DIG $DIGOPTS @10.53.0.2 -p ${PORT} www.test.example.org A +time=5 > dig.out.${t} &
+  sleep 1
+  echo_i "removing the policy zone"
+  cp ns2/named.default.conf ns2/named.conf
+  rndc_reconfig ns2 10.53.0.2
+  test -f dnsrpzd.pid && kill -USR1 $(cat dnsrpzd.pid) || true
+  sleep 1
+  echo_i "resuming authority server"
+  PID=$(cat ns1/named.pid)
+  kill -CONT $PID
+  add_test_marker 10.53.0.1
+  for n in 1 2 3 4 5 6 7 8 9; do
+    sleep 1
+    [ -s dig.out.${t} ] || continue
+    grep "status: .*," dig.out.${t} > /dev/null 2>&1 && break
+  done
+  grep "status: NOERROR" dig.out.${t} > /dev/null 2>&1 || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+
+  # Check maximum number of RPZ zones (64)
+  t=$((t + 1))
+  echo_i "testing maximum number of RPZ zones (${t})"
+  add_test_marker 10.53.0.2
+  run_server max
+  i=1
+  while test $i -le 64
+  do
+      $DIG $DIGOPTS name$i a @10.53.0.2 -p ${PORT} -b 10.53.0.1 > dig.out.${t}.${i}
+      grep "^name$i.[ 	]*[0-9]*[ 	]*IN[ 	]*A[ 	]*10.53.0.$i" dig.out.${t}.${i} > /dev/null 2>&1 || {
+	  echo_i "test $t failed: didn't get expected answer from policy zone $i"
+	  status=1
+      }
+      i=$((i + 1))
+  done
+
+  # Check CLIENT-IP behavior
+  t=$((t + 1))
+  echo_i "testing CLIENT-IP behavior (${t})"
+  add_test_marker 10.53.0.2
+  run_server clientip
+  $DIG $DIGOPTS l2.l1.l0 a @10.53.0.2 -p ${PORT} -b 10.53.0.4 > dig.out.${t}
+  grep "status: NOERROR" dig.out.${t} > /dev/null 2>&1 || {
+    echo_i "test $t failed: query failed"
+    status=1
+  }
+  grep "^l2.l1.l0.[ 	]*[0-9]*[ 	]*IN[ 	]*A[ 	]*10.53.0.2" dig.out.${t} > /dev/null 2>&1 || {
+    echo_i "test $t failed: didn't get expected answer"
+    status=1
+  }
+
+  # Check CLIENT-IP behavior #2
+  t=$((t + 1))
+  echo_i "testing CLIENT-IP behavior #2 (${t})"
+  add_test_marker 10.53.0.2
+  run_server clientip2
+  $DIG $DIGOPTS l2.l1.l0 a @10.53.0.2 -p ${PORT} -b 10.53.0.1 > dig.out.${t}.1
+  grep "status: SERVFAIL" dig.out.${t}.1 > /dev/null 2>&1 || {
+    echo_i "test $t failed: query failed"
+    status=1
+  }
+  $DIG $DIGOPTS l2.l1.l0 a @10.53.0.2 -p ${PORT} -b 10.53.0.2 > dig.out.${t}.2
+  grep "status: NXDOMAIN" dig.out.${t}.2 > /dev/null 2>&1 || {
+    echo_i "test $t failed: query failed"
+    status=1
+  }
+  $DIG $DIGOPTS l2.l1.l0 a @10.53.0.2 -p ${PORT} -b 10.53.0.3 > dig.out.${t}.3
+  grep "status: NOERROR" dig.out.${t}.3 > /dev/null 2>&1 || {
+    echo_i "test $t failed: query failed"
+    status=1
+  }
+  grep "^l2.l1.l0.[ 	]*[0-9]*[ 	]*IN[ 	]*A[ 	]*10.53.0.1" dig.out.${t}.3 > /dev/null 2>&1 || {
+    echo_i "test $t failed: didn't get expected answer"
+    status=1
+  }
+  $DIG $DIGOPTS l2.l1.l0 a @10.53.0.2 -p ${PORT} -b 10.53.0.4 > dig.out.${t}.4
+  grep "status: SERVFAIL" dig.out.${t}.4 > /dev/null 2>&1 || {
+    echo_i "test $t failed: query failed"
+    status=1
+  }
+
+  # Check RPZ log clause
+  t=$((t + 1))
+  echo_i "testing RPZ log clause (${t})"
+  add_test_marker 10.53.0.2
+  run_server log
+  cur=$(awk 'BEGIN {l=0} /^/ {l++} END { print l }' ns2/named.run)
+  $DIG $DIGOPTS l2.l1.l0 a @10.53.0.2 -p ${PORT} -b 10.53.0.4 > dig.out.${t}
+  $DIG $DIGOPTS l2.l1.l0 a @10.53.0.2 -p ${PORT} -b 10.53.0.3 >> dig.out.${t}
+  $DIG $DIGOPTS l2.l1.l0 a @10.53.0.2 -p ${PORT} -b 10.53.0.2 >> dig.out.${t}
+  sed -n "$cur,"'$p' < ns2/named.run | grep "view recursive: rpz CLIENT-IP Local-Data rewrite l2.l1.l0/A/IN via 32.4.0.53.10.rpz-client-ip.log1" > /dev/null && {
+    echo_ic "failed: unexpected rewrite message for policy zone log1 was logged"
+    status=1
+  }
+  sed -n "$cur,"'$p' < ns2/named.run | grep "view recursive: rpz CLIENT-IP Local-Data rewrite l2.l1.l0/A/IN via 32.3.0.53.10.rpz-client-ip.log2" > /dev/null || {
+    echo_ic "failed: expected rewrite message for policy zone log2 was not logged"
+    status=1
+  }
+  sed -n "$cur,"'$p' < ns2/named.run | grep "view recursive: rpz CLIENT-IP Local-Data rewrite l2.l1.l0/A/IN via 32.2.0.53.10.rpz-client-ip.log3" > /dev/null || {
+    echo_ic "failed: expected rewrite message for policy zone log3 was not logged"
+    status=1
+  }
+
+  # Check wildcard behavior
+
+  t=$((t + 1))
+  echo_i "testing wildcard behavior with 1 RPZ zone (${t})"
+  add_test_marker 10.53.0.2
+  run_server wildcard1
+  $DIG $DIGOPTS www.test1.example.net a @10.53.0.2 -p ${PORT} > dig.out.${t}.1
+  grep "status: NXDOMAIN" dig.out.${t}.1 > /dev/null || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+  $DIG $DIGOPTS test1.example.net a @10.53.0.2 -p ${PORT} > dig.out.${t}.2
+  grep "status: NXDOMAIN" dig.out.${t}.2 > /dev/null || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+
+  t=$((t + 1))
+  echo_i "testing wildcard behavior with 2 RPZ zones (${t})"
+  add_test_marker 10.53.0.2
+  run_server wildcard2
+  $DIG $DIGOPTS www.test1.example.net a @10.53.0.2 -p ${PORT} > dig.out.${t}.1
+  grep "status: NXDOMAIN" dig.out.${t}.1 > /dev/null || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+  $DIG $DIGOPTS test1.example.net a @10.53.0.2 -p ${PORT} > dig.out.${t}.2
+  grep "status: NXDOMAIN" dig.out.${t}.2 > /dev/null || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+
+  t=$((t + 1))
+  echo_i "testing wildcard behavior with 1 RPZ zone and no non-wildcard triggers (${t})"
+  add_test_marker 10.53.0.2
+  run_server wildcard3
+  $DIG $DIGOPTS www.test1.example.net a @10.53.0.2 -p ${PORT} > dig.out.${t}.1
+  grep "status: NXDOMAIN" dig.out.${t}.1 > /dev/null || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+  $DIG $DIGOPTS test1.example.net a @10.53.0.2 -p ${PORT} > dig.out.${t}.2
+  grep "status: NOERROR" dig.out.${t}.2 > /dev/null || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+
+  t=$((t + 1))
+  echo_i "testing wildcard passthru before explicit drop (${t})"
+  add_test_marker 10.53.0.2
+  run_server wildcard4
+  $DIG $DIGOPTS example.com a @10.53.0.2 -p ${PORT} > dig.out.${t}.1
+  grep "status: NOERROR" dig.out.${t}.1 > /dev/null || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+  $DIG $DIGOPTS www.example.com a @10.53.0.2 -p ${PORT} > dig.out.${t}.2
+  grep "status: NOERROR" dig.out.${t}.2 > /dev/null || {
+    echo_i "test ${t} failed"
+    status=1
+  }
+
+  if [ "$mode" = "native" ]; then
+    # Check for invalid prefix length error
+    t=$((t + 1))
+    echo_i "testing for invalid prefix length error (${t})"
+    add_test_marker 10.53.0.2
+    run_server invalidprefixlength
+    grep "invalid rpz IP address \"1000.4.0.53.10.rpz-client-ip.invalidprefixlength\"; invalid prefix length of 1000$" ns2/named.run > /dev/null || {
+      echo_ic "failed: expected that invalid prefix length error would be logged"
+      status=1
+    }
+  fi
+
+  t=$((t + 1))
+  echo_i "checking 'nsip-wait-recurse no' is faster than 'nsip-wait-recurse yes' ($t)"
+  add_test_marker 10.53.0.2 10.53.0.3
+  echo_i "timing 'nsip-wait-recurse yes' (default)"
+  ret=0
+  t1=$($PERL -e 'print time()."\n";')
+  $DIG -p ${PORT} @10.53.0.3 foo.child.example.tld a > dig.out.yes.$t
+  t2=$($PERL -e 'print time()."\n";')
+  p1=$((t2 - t1))
+  echo_i "elapsed time $p1 seconds"
+
+  $RNDC  -c ../common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} flush
+  copy_setports ns3/named2.conf.in ns3/named.conf
+  nextpart ns3/named.run > /dev/null
+  $RNDC  -c ../common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} reload > /dev/null
+  wait_for_log 20 "rpz: policy: reload done" ns3/named.run || ret=1
+
+  echo_i "timing 'nsip-wait-recurse no'"
+  t3=$($PERL -e 'print time()."\n";')
+  $DIG -p ${PORT} @10.53.0.3 foo.child.example.tld a > dig.out.no.$t
+  t4=$($PERL -e 'print time()."\n";')
+  p2=$((t4 - t3))
+  echo_i "elapsed time $p2 seconds"
+
+  if test $p1 -le $p2; then ret=1; fi
+  if test $ret != 0; then echo_i "failed"; fi
+  status=$((status + ret))
+
+  $RNDC  -c ../common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} flush
+  # restore original named.conf
+  copy_setports ns3/named1.conf.in ns3/named.conf
+  nextpart ns3/named.run > /dev/null
+  $RNDC  -c ../common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} reload > /dev/null
+  wait_for_log 20 "rpz: policy: reload done" ns3/named.run || ret=1
+
+  t=$((t + 1))
+  echo_i "checking 'nsdname-wait-recurse no' is faster than 'nsdname-wait-recurse yes' ($t)"
+  add_test_marker 10.53.0.2 10.53.0.3
+  echo_i "timing 'nsdname-wait-recurse yes' (default)"
+  ret=0
+  t1=$($PERL -e 'print time()."\n";')
+  $DIG -p ${PORT} @10.53.0.3 foo.child.example.tld a > dig.out.yes.$t
+  t2=$($PERL -e 'print time()."\n";')
+  p1=$((t2 - t1))
+  echo_i "elapsed time $p1 seconds"
+
+  $RNDC  -c ../common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} flush
+  copy_setports ns3/named3.conf.in ns3/named.conf
+  nextpart ns3/named.run > /dev/null
+  $RNDC  -c ../common/rndc.conf -s 10.53.0.3 -p ${CONTROLPORT} reload > /dev/null
+  wait_for_log 20 "rpz: policy: reload done" ns3/named.run || ret=1
+
+  echo_i "timing 'nsdname-wait-recurse no'"
+  t3=$($PERL -e 'print time()."\n";')
+  $DIG -p ${PORT} @10.53.0.3 foo.child.example.tld a > dig.out.no.$t
+  t4=$($PERL -e 'print time()."\n";')
+  p2=$((t4 - t3))
+  echo_i "elapsed time $p2 seconds"
+
+  if test $p1 -le $p2; then ret=1; fi
+  if test $ret != 0; then echo_i "failed"; fi
+  status=$((status + ret))
+
+
+  [ $status -ne 0 ] && pf=fail || pf=pass
+  case $mode in
+  native)
+    native=$status
+    echo_i "status (native RPZ sub-test): $status ($pf)";;
+  dnsrps)
+    dnsrps=$status
+    echo_i "status (DNSRPS sub-test): $status ($pf)";;
+  *) echo_i "invalid test mode";;
+  esac
+done
+status=$((native + dnsrps))
+
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/rpzrecurse/tests_sh_rpzrecurse.py b/bin/tests/system/rpzrecurse/tests_sh_rpzrecurse.py
new file mode 100644
index 0000000..903ac49
--- /dev/null
+++ b/bin/tests/system/rpzrecurse/tests_sh_rpzrecurse.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_rpzrecurse(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/rrchecker/classlist.good b/bin/tests/system/rrchecker/classlist.good
new file mode 100644
index 0000000..f0fff1a
--- /dev/null
+++ b/bin/tests/system/rrchecker/classlist.good
@@ -0,0 +1,3 @@
+IN
+CH
+HS
diff --git a/bin/tests/system/rrchecker/clean.sh b/bin/tests/system/rrchecker/clean.sh
new file mode 100644
index 0000000..166247d
--- /dev/null
+++ b/bin/tests/system/rrchecker/clean.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f classlist.out privatelist.out typelist.out tempzone checkzone.out* checker.out
+rm -f ns*/named.lock
diff --git a/bin/tests/system/rrchecker/privatelist.good b/bin/tests/system/rrchecker/privatelist.good
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/bin/tests/system/rrchecker/privatelist.good
diff --git a/bin/tests/system/rrchecker/tests.sh b/bin/tests/system/rrchecker/tests.sh
new file mode 100644
index 0000000..65e9d43
--- /dev/null
+++ b/bin/tests/system/rrchecker/tests.sh
@@ -0,0 +1,85 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+n=$((n + 1))
+echo_i "class list ($n)"
+$RRCHECKER -C > classlist.out
+diff classlist.out classlist.good || { echo_i "failed"; status=$((status + 1)); }
+
+n=$((n + 1))
+echo_i "type list ($n)"
+$RRCHECKER -T > typelist.out
+diff typelist.out typelist.good || { echo_i "failed"; status=$((status + 1)); }
+
+n=$((n + 1))
+echo_i "private type list ($n)"
+$RRCHECKER -P > privatelist.out
+diff privatelist.out privatelist.good || { echo_i "failed"; status=$((status + 1)); }
+
+myecho() {
+cat << EOF
+$*
+EOF
+}
+
+n=$((n + 1))
+echo_i "check conversions to canonical format ($n)"
+ret=0
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 0 > tempzone
+$CHECKZONE -Dq . tempzone | sed '/^;/d' > checkzone.out$n
+while read -r name tt cl ty rest
+do
+	myecho "$cl $ty $rest" | $RRCHECKER -p > checker.out || {
+		ret=1
+		echo_i "'$cl $ty $rest' not handled."
+	}
+	read -r cl0 ty0 rest0 < checker.out
+	test "$cl $ty $rest" = "$cl0 $ty0 $rest0" || {
+		ret=1
+		echo_i "'$cl $ty $rest' != '$cl0 $ty0 $rest0'"
+	}
+done < checkzone.out$n
+test $ret -eq 0 || { echo_i "failed"; status=$((status + 1)); }
+
+n=$((n + 1))
+echo_i "check conversions to and from unknown record format ($n)"
+ret=0
+$CHECKZONE -Dq . tempzone | sed '/^;/d' > checkzone.out$n
+while read -r name tt cl ty rest
+do
+	myecho "$cl $ty $rest" | $RRCHECKER -u > checker.out || {
+		ret=1
+		echo_i "'$cl $ty $rest' not converted to unknown record format"
+	}
+	read -r clu tyu restu < checker.out
+	myecho "$clu $tyu $restu" | $RRCHECKER -p > checker.out || {
+		ret=1
+		echo_i "'$cl $ty $rest' not converted back to canonical format"
+	}
+	read -r cl0 ty0 rest0 < checker.out
+	test "$cl $ty $rest" = "$cl0 $ty0 $rest0" || {
+		ret=1
+		echo_i "'$cl $ty $rest' != '$cl0 $ty0 $rest0'"
+	}
+done < checkzone.out$n
+test $ret -eq 0 || { echo_i "failed"; status=$((status + 1)); }
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/rrchecker/tests_sh_rrchecker.py b/bin/tests/system/rrchecker/tests_sh_rrchecker.py
new file mode 100644
index 0000000..16368e7
--- /dev/null
+++ b/bin/tests/system/rrchecker/tests_sh_rrchecker.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_rrchecker(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/rrchecker/typelist.good b/bin/tests/system/rrchecker/typelist.good
new file mode 100644
index 0000000..3c3e5cd
--- /dev/null
+++ b/bin/tests/system/rrchecker/typelist.good
@@ -0,0 +1,81 @@
+A
+NS
+MD
+MF
+CNAME
+SOA
+MB
+MG
+MR
+NULL
+WKS
+PTR
+HINFO
+MINFO
+MX
+TXT
+RP
+AFSDB
+X25
+ISDN
+RT
+NSAP
+NSAP-PTR
+SIG
+KEY
+PX
+GPOS
+AAAA
+LOC
+NXT
+EID
+NIMLOC
+SRV
+ATMA
+NAPTR
+KX
+CERT
+A6
+DNAME
+SINK
+APL
+DS
+SSHFP
+IPSECKEY
+RRSIG
+NSEC
+DNSKEY
+DHCID
+NSEC3
+NSEC3PARAM
+TLSA
+SMIMEA
+HIP
+NINFO
+RKEY
+TALINK
+CDS
+CDNSKEY
+OPENPGPKEY
+CSYNC
+ZONEMD
+SVCB
+HTTPS
+SPF
+UINFO
+UID
+GID
+UNSPEC
+NID
+L32
+L64
+LP
+EUI48
+EUI64
+URI
+CAA
+AVC
+DOA
+AMTRELAY
+TA
+DLV
diff --git a/bin/tests/system/rrl/broken.conf.in b/bin/tests/system/rrl/broken.conf.in
new file mode 100644
index 0000000..956593a
--- /dev/null
+++ b/bin/tests/system/rrl/broken.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	statistics-file	"named.stats";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	notify no;
+	dnssec-validation no;
+
+	rate-limit {
+	    responses-per-second 2;
+	    all-per-second 50;
+	    slip 3;
+	    exempt-clients { 10.53.0.7; };
+	    log-only yes;
+
+	    min-table-size 0;
+	    max-table-size 0;
+	};
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm hmac-sha256;
+};
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
diff --git a/bin/tests/system/rrl/clean.sh b/bin/tests/system/rrl/clean.sh
new file mode 100644
index 0000000..739366a
--- /dev/null
+++ b/bin/tests/system/rrl/clean.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Clean up after rrl tests.
+
+rm -f dig.out* *mdig.out*
+rm -f  */named.memstats */named.run */named.stats */log-* */session.key
+rm -f ns3/bl*.db */*.jnl */*.core */*.pid
+rm -f ns*/named.lock
+rm -f ns*/named.conf
+rm -f broken.conf
+rm -f broken.out
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/rrl/ns1/named.conf.in b/bin/tests/system/rrl/ns1/named.conf.in
new file mode 100644
index 0000000..e4da6ef
--- /dev/null
+++ b/bin/tests/system/rrl/ns1/named.conf.in
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	notify no;
+	recursion yes;
+	dnssec-validation yes;
+};
+
+zone "." {type primary; file "root.db";};
diff --git a/bin/tests/system/rrl/ns1/root.db b/bin/tests/system/rrl/ns1/root.db
new file mode 100644
index 0000000..68265fe
--- /dev/null
+++ b/bin/tests/system/rrl/ns1/root.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	120
+@		SOA	ns. hostmaster.ns. ( 1 3600 1200 604800 60 )
+@		NS	ns.
+ns.		A	10.53.0.1
+.		A	10.53.0.1
+
+; limit responses from here
+tld2.		NS	ns.tld2.
+ns.tld2.	A	10.53.0.2
+
+; limit recursion to here
+tld3.		NS	ns.tld3.
+ns.tld3.	A	10.53.0.3
+
+; generate SERVFAIL
+tld4.		NS	ns.tld3.
diff --git a/bin/tests/system/rrl/ns2/hints b/bin/tests/system/rrl/ns2/hints
new file mode 100644
index 0000000..a1d435e
--- /dev/null
+++ b/bin/tests/system/rrl/ns2/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	0	NS	ns1.
+ns1.	0	A	10.53.0.1
diff --git a/bin/tests/system/rrl/ns2/named.conf.in b/bin/tests/system/rrl/ns2/named.conf.in
new file mode 100644
index 0000000..abe4f9c
--- /dev/null
+++ b/bin/tests/system/rrl/ns2/named.conf.in
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	statistics-file	"named.stats";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	notify no;
+	recursion yes;
+	dnssec-validation yes;
+
+	rate-limit {
+	    responses-per-second 2;
+	    all-per-second 50;
+	    slip 3;
+	    exempt-clients { 10.53.0.7; };
+
+	    // small enough to force a table expansion
+	    min-table-size 75;
+	};
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+/*
+ * These log settings have no effect unless "-g" is removed from ../../start.pl
+ */
+logging {
+	channel debug {
+	    file "log-debug";
+	    print-category yes; print-severity yes; severity debug 10;
+	};
+	channel queries {
+	    file "log-queries";
+	    print-category yes; print-severity yes; severity info;
+	};
+	category rate-limit { debug; queries; };
+	category queries { debug; queries; };
+};
+
+zone "." { type hint; file "hints"; };
+
+zone "tld2."{ type primary; file "tld2.db"; };
diff --git a/bin/tests/system/rrl/ns2/tld2.db b/bin/tests/system/rrl/ns2/tld2.db
new file mode 100644
index 0000000..a1a832b
--- /dev/null
+++ b/bin/tests/system/rrl/ns2/tld2.db
@@ -0,0 +1,42 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; rate limit response from this zone
+
+$TTL	120
+@		SOA	tld2.  hostmaster.ns.tld2. ( 1 3600 1200 604800 60 )
+		NS	ns
+		NS	.
+ns		A	10.53.0.2
+
+; basic rate limiting
+a1		A	192.0.2.1
+
+; wildcards
+*.a2		A	192.0.2.2
+
+; a3 is in tld3
+
+; a4 does not exist to give NXDOMAIN
+
+; a5 for TCP requests
+a5		A	192.0.2.5
+
+; a6 for whitelisted clients
+a6		A	192.0.2.6
+
+; a7 for SERVFAIL
+
+; a8 for NODATA
+a8		A	192.0.2.8
+
+; a9 for all-per-second limit
+$GENERATE 101-180 all$.a9 A 192.0.2.8
diff --git a/bin/tests/system/rrl/ns3/hints b/bin/tests/system/rrl/ns3/hints
new file mode 100644
index 0000000..a1d435e
--- /dev/null
+++ b/bin/tests/system/rrl/ns3/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	0	NS	ns1.
+ns1.	0	A	10.53.0.1
diff --git a/bin/tests/system/rrl/ns3/named.conf.in b/bin/tests/system/rrl/ns3/named.conf.in
new file mode 100644
index 0000000..8807f44
--- /dev/null
+++ b/bin/tests/system/rrl/ns3/named.conf.in
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	notify no;
+	recursion yes;
+	dnssec-validation yes;
+
+	// check that all of the options are parsed without limiting anything
+	rate-limit {
+	    responses-per-second 200;
+	    referrals-per-second 220;
+	    nodata-per-second 230;
+	    nxdomains-per-second 240;
+	    errors-per-second 250;
+	    all-per-second 700;
+	    ipv4-prefix-length 24;
+	    ipv6-prefix-length 64;
+	    qps-scale 10;
+	    window 1;
+	    max-table-size 1000;
+	    log-only no;
+	    min-table-size 0;
+	};
+
+};
+
+zone "." { type hint; file "hints"; };
+
+zone "tld3."{ type primary; file "tld3.db"; };
diff --git a/bin/tests/system/rrl/ns3/tld3.db b/bin/tests/system/rrl/ns3/tld3.db
new file mode 100644
index 0000000..a534c6e
--- /dev/null
+++ b/bin/tests/system/rrl/ns3/tld3.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; rate limit response from this zone
+
+$TTL	120
+@		SOA	tld3.  hostmaster.ns.tld3. ( 1 3600 1200 604800 60 )
+		NS	ns
+		NS	.
+ns		A	10.53.0.3
+
+*.a3		A	192.0.3.3
diff --git a/bin/tests/system/rrl/ns4/hints b/bin/tests/system/rrl/ns4/hints
new file mode 100644
index 0000000..a1d435e
--- /dev/null
+++ b/bin/tests/system/rrl/ns4/hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	0	NS	ns1.
+ns1.	0	A	10.53.0.1
diff --git a/bin/tests/system/rrl/ns4/named.conf.in b/bin/tests/system/rrl/ns4/named.conf.in
new file mode 100644
index 0000000..3cd598e
--- /dev/null
+++ b/bin/tests/system/rrl/ns4/named.conf.in
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	session-keyfile "session.key";
+	pid-file "named.pid";
+	statistics-file	"named.stats";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	notify no;
+	recursion yes;
+	dnssec-validation yes;
+	max-udp-size 4096;
+
+	rate-limit {
+	    responses-per-second 2;
+	    all-per-second 50;
+	    slip 3;
+	    exempt-clients { 10.53.0.7; };
+	    log-only yes;
+
+	    // small enough to force a table expansion
+	    min-table-size 75;
+	};
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+/*
+ * These log settings have no effect unless "-g" is removed from ../../start.pl
+ */
+logging {
+	channel debug {
+	    file "log-debug";
+	    print-category yes; print-severity yes; severity debug 10;
+	};
+	channel queries {
+	    file "log-queries";
+	    print-category yes; print-severity yes; severity info;
+	};
+	category rate-limit { debug; queries; };
+	category queries { debug; queries; };
+};
+
+zone "." { type hint; file "hints"; };
+
+zone "tld4."{ type primary; file "tld4.db"; };
diff --git a/bin/tests/system/rrl/ns4/tld4.db b/bin/tests/system/rrl/ns4/tld4.db
new file mode 100644
index 0000000..a7bc319
--- /dev/null
+++ b/bin/tests/system/rrl/ns4/tld4.db
@@ -0,0 +1,45 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; rate limit response from this zone
+
+$TTL	120
+@		SOA	tld4.  hostmaster.ns.tld4. ( 1 3600 1200 604800 60 )
+		NS	ns
+		NS	.
+ns		A	10.53.0.2
+
+; basic rate limiting
+a1		A	192.0.2.1
+
+; wildcards
+*.a2		A	192.0.2.2
+
+; a3 is in tld3
+
+; a4 does not exist to give NXDOMAIN
+
+; a5 for TCP requests
+a5		A	192.0.2.5
+
+; a6 for whitelisted clients
+a6		A	192.0.2.6
+
+; a7 for SERVFAIL
+
+; a8 for NODATA
+a8		A	192.0.2.8
+
+; a9 for all-per-second limit
+$GENERATE 101-180 all$.a9 A 192.0.2.8
+
+; oversized TXT record
+$GENERATE 1-100    big    1    TXT    "txt$"
diff --git a/bin/tests/system/rrl/setup.sh b/bin/tests/system/rrl/setup.sh
new file mode 100644
index 0000000..752b02c
--- /dev/null
+++ b/bin/tests/system/rrl/setup.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports broken.conf.in broken.conf
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
diff --git a/bin/tests/system/rrl/tests.sh b/bin/tests/system/rrl/tests.sh
new file mode 100644
index 0000000..9465b93
--- /dev/null
+++ b/bin/tests/system/rrl/tests.sh
@@ -0,0 +1,290 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# test response rate limiting
+
+. ../conf.sh
+
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+#set -x
+
+ns1=10.53.0.1			    # root, defining the others
+ns2=10.53.0.2			    # test server
+ns3=10.53.0.3			    # secondary test server
+ns4=10.53.0.4			    # log-only test server
+ns7=10.53.0.7			    # whitelisted client
+
+USAGE="$0: [-x]"
+while getopts "x" c; do
+    case $c in
+	x) set -x;;
+	*) echo "$USAGE" 1>&2; exit 1;;
+    esac
+done
+shift $((OPTIND - 1))
+if test "$#" -ne 0; then
+    echo "$USAGE" 1>&2
+    exit 1
+fi
+# really quit on control-C
+trap 'exit 1' 1 2 15
+
+
+ret=0
+setret () {
+    ret=1
+    echo_i "$*"
+}
+
+
+# Wait until soon after the start of a second to make results consistent.
+#   The start of a second credits a rate limit.
+#   This would be far easier in C or by assuming a modern version of perl.
+sec_start () {
+    START=$(date)
+    while true; do
+	NOW=$(date)
+	if test "$START" != "$NOW"; then
+	    return
+	fi
+	$PERL -e 'select(undef, undef, undef, 0.05)' || true
+    done
+}
+
+
+# turn off ${HOME}/.digrc
+HOME=/dev/null; export HOME
+
+#   $1=number of tests  $2=target domain  $3=dig options
+QNUM=1
+burst () {
+    BURST_LIMIT=$1; shift
+    BURST_DOM_BASE="$1"; shift
+
+    XCNT=$CNT
+    CNT='XXX'
+    eval FILENAME="mdig.out-$BURST_DOM_BASE"
+    CNT=$XCNT
+
+    DOMS=""
+    CNTS=$($PERL -e 'for ( $i = 0; $i < '$BURST_LIMIT'; $i++) { printf "%03d\n", '$QNUM' + $i; }')
+    for CNT in $CNTS
+    do
+        eval BURST_DOM="$BURST_DOM_BASE"
+        DOMS="$DOMS $BURST_DOM"
+    done
+    ARGS="+burst +nocookie +continue +time=1 +tries=1 -p ${PORT} $* @$ns2 $DOMS"
+    $MDIG $ARGS 2>&1 |                                                  \
+        tee -a full-$FILENAME |                                         \
+        sed -n -e '/^;; AUTHORITY/,/^$/d'			        \
+		-e '/^;; ADDITIONAL/,/^$/d'				\
+		-e 's/^[^;].*	\([^	 ]\{1,\}\)$/\1/p'		\
+		-e 's/;; flags.* tc .*/TC/p'				\
+		-e 's/;; .* status: NXDOMAIN.*/NXDOMAIN/p'		\
+		-e 's/;; .* status: NOERROR.*/NOERROR/p'		\
+		-e 's/;; .* status: SERVFAIL.*/SERVFAIL/p'		\
+		-e 's/response failed with timed out.*/drop/p'		\
+		-e 's/;; communications error to.*/drop/p' >> $FILENAME &
+    QNUM=$((QNUM + BURST_LIMIT))
+}
+
+# compare integers $1 and $2; ensure the difference is no more than $3
+range () {
+    $PERL -e 'if (abs(int($ARGV[0]) - int($ARGV[1])) > int($ARGV[2])) { exit(1) }' $1 $2 $3
+}
+
+#   $1=domain  $2=IP address  $3=# of IP addresses  $4=TC  $5=drop
+#	$6=NXDOMAIN  $7=SERVFAIL or other errors
+ck_result() {
+    # wait to the background mdig calls to complete.
+    wait
+    BAD=no
+    ADDRS=$(grep -E "^$2$" mdig.out-$1				2>/dev/null | wc -l)
+    # count simple truncated and truncated NXDOMAIN as TC
+    TC=$(grep -E "^TC|NXDOMAINTC$" mdig.out-$1			2>/dev/null | wc -l)
+    DROP=$(grep -E "^drop$" mdig.out-$1				2>/dev/null | wc -l)
+    # count NXDOMAIN and truncated NXDOMAIN as NXDOMAIN
+    NXDOMAIN=$(grep -E "^NXDOMAIN|NXDOMAINTC$" mdig.out-$1		2>/dev/null | wc -l)
+    SERVFAIL=$(grep -E "^SERVFAIL$" mdig.out-$1			2>/dev/null | wc -l)
+    NOERROR=$(grep -E "^NOERROR$" mdig.out-$1			2>/dev/null | wc -l)
+
+    range $ADDRS "$3" 1 ||
+    setret "$ADDRS instead of $3 '$2' responses for $1" &&
+    BAD=yes
+
+    range $TC "$4" 1 ||
+    setret "$TC instead of $4 truncation responses for $1" &&
+    BAD=yes
+
+    range $DROP "$5" 1 ||
+    setret "$DROP instead of $5 dropped responses for $1" &&
+    BAD=yes
+
+    range $NXDOMAIN "$6" 1 ||
+    setret "$NXDOMAIN instead of $6 NXDOMAIN responses for $1" &&
+    BAD=yes
+
+    range $SERVFAIL "$7" 1 ||
+    setret "$SERVFAIL instead of $7 error responses for $1" &&
+    BAD=yes
+
+    range $NOERROR "$8" 1 ||
+    setret "$NOERROR instead of $8 NOERROR responses for $1" &&
+    BAD=yes
+
+    if test -z "$BAD"; then
+	rm -f mdig.out-$1
+    fi
+}
+
+
+ckstats () {
+    LABEL="$1"; shift
+    TYPE="$1"; shift
+    EXPECTED="$1"; shift
+    C=$(cat ns2/named.stats |
+        sed -n -e "s/[	 ]*\([0-9]*\).responses $TYPE for rate limits.*/\1/p" |
+        tail -1)
+    C=$((C))
+
+    range "$C" $EXPECTED 1 ||
+    setret "wrong $LABEL $TYPE statistics of $C instead of $EXPECTED"
+}
+
+
+#########
+sec_start
+
+# Tests of referrals to "." must be done before the hints are loaded.
+burst 5 a1.tld3 +norec
+# basic rate limiting
+burst 3 a1.tld2
+# delay allows an additional response.
+sleep 1
+burst 10 a1.tld2
+# Request 30 different qnames to try a wildcard.
+burst 30 'y.x$CNT.a2.tld2'
+
+#					IP      TC      drop  NXDOMAIN SERVFAIL NOERROR
+# referrals to "."
+ck_result   a1.tld3	x		0	1	2	0	0	2
+# check 13 results including 1 second delay that allows an additional response
+ck_result   a1.tld2	192.0.2.1	3	4	6	0	0	8
+
+# Check the wildcard answers.
+# The zone origin name of the 30 requests is counted.
+ck_result 'y.x*.a2.tld2'	192.0.2.2	2	10	18	0	0	12
+
+#########
+sec_start
+
+burst 10 'x.a3.tld3'
+burst 10 'y$CNT.a3.tld3'
+burst 10 'z$CNT.a4.tld2'
+
+# 10 identical recursive responses are limited
+ck_result 'x.a3.tld3'	192.0.3.3	2	3	5	0	0	5
+
+# 10 different recursive responses are not limited
+ck_result 'y*.a3.tld3'	192.0.3.3	10	0	0	0	0	10
+
+# 10 different NXDOMAIN responses are limited based on the parent name.
+#   We count 13 responses because we count truncated NXDOMAIN responses
+#   as both truncated and NXDOMAIN.
+ck_result 'z*.a4.tld2'	x		0	3	5	5	0	0
+
+$RNDCCMD $ns2 stats
+ckstats first dropped 36
+ckstats first truncated 21
+
+
+#########
+sec_start
+
+burst 10 a5.tld2 +tcp
+burst 10 a6.tld2 -b $ns7
+burst 10 a7.tld4
+burst 2 a8.tld2 -t AAAA
+burst 2 a8.tld2 -t TXT
+burst 2 a8.tld2 -t SPF
+
+#					IP      TC      drop  NXDOMAIN SERVFAIL NOERROR
+# TCP responses are not rate limited
+ck_result a5.tld2	192.0.2.5	10	0	0	0	0	10
+
+# whitelisted client is not rate limited
+ck_result a6.tld2	192.0.2.6	10	0	0	0	0	10
+
+# Errors such as SERVFAIL are rate limited.
+ck_result a7.tld4	x		0	0	8	0	2	0
+
+# NODATA responses are counted as the same regardless of qtype.
+ck_result a8.tld2	x		0	2	2	0	0	4
+
+$RNDCCMD $ns2 stats
+ckstats second dropped 46
+ckstats second truncated 23
+
+
+#########
+sec_start
+
+#					IP      TC      drop  NXDOMAIN SERVFAIL NOERROR
+# all-per-second
+#   The qnames are all unique but the client IP address is constant.
+QNUM=101
+burst 60 'all$CNT.a9.tld2'
+
+ck_result 'a*.a9.tld2'	192.0.2.8	50	0	10	0	0	50
+
+$RNDCCMD $ns2 stats
+ckstats final dropped 56
+ckstats final truncated 23
+
+#########
+sec_start
+
+DIGOPTS="+nocookie +nosearch +time=1 +tries=1 +ignore -p ${PORT}"
+$DIG $DIGOPTS @$ns4 A a7.tld4 > /dev/null 2>&1
+$DIG $DIGOPTS @$ns4 A a7.tld4 > /dev/null 2>&1
+$DIG $DIGOPTS @$ns4 A a7.tld4 > /dev/null 2>&1
+$DIG $DIGOPTS @$ns4 A a7.tld4 > /dev/null 2>&1
+$DIG $DIGOPTS @$ns4 A a7.tld4 > /dev/null 2>&1
+$DIG $DIGOPTS @$ns4 A a7.tld4 > /dev/null 2>&1
+$DIG $DIGOPTS @$ns4 A a7.tld4 > /dev/null 2>&1
+$DIG $DIGOPTS @$ns4 A a7.tld4 > /dev/null 2>&1
+$DIG $DIGOPTS @$ns4 A a7.tld4 > /dev/null 2>&1
+$DIG $DIGOPTS @$ns4 A a7.tld4 > /dev/null 2>&1
+$DIG $DIGOPTS @$ns4 A a7.tld4 > /dev/null 2>&1
+
+# regression test for GL #2839
+DIGOPTS="+bufsize=4096 +ignore -p ${PORT}"
+$DIG $DIGOPTS @$ns4 TXT big.tld4 > /dev/null 2>&1
+
+grep "would limit" ns4/named.run >/dev/null 2>&1 ||
+setret "\"would limit\" not found in log file."
+
+$NAMED -D rrl-ns5 -gc broken.conf > broken.out 2>&1 &
+sleep 2
+grep "min-table-size 1" broken.out > /dev/null || setret "min-table-size 0 was not changed to 1"
+
+if [ -f named.pid ]; then
+    kill $(cat named.pid)
+    setret "named should not have started, but did"
+fi
+
+echo_i "exit status: $ret"
+[ $ret -eq 0 ] || exit 1
diff --git a/bin/tests/system/rrl/tests_sh_rrl.py b/bin/tests/system/rrl/tests_sh_rrl.py
new file mode 100644
index 0000000..05b43a6
--- /dev/null
+++ b/bin/tests/system/rrl/tests_sh_rrl.py
@@ -0,0 +1,18 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import pytest_custom_markers
+
+
+# The rrl is known to be quite unstable. GL #172
+@pytest_custom_markers.flaky(max_runs=2)
+def test_rrl(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/rrsetorder/clean.sh b/bin/tests/system/rrsetorder/clean.sh
new file mode 100644
index 0000000..c64ae34
--- /dev/null
+++ b/bin/tests/system/rrsetorder/clean.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out.test*
+rm -f dig.out.cyclic dig.out.fixed dig.out.random dig.out.nomatch dig.out.none
+rm -f dig.out.0 dig.out.1 dig.out.2 dig.out.3
+rm -f dig.out.cyclic2
+rm -f ns2/root.bk
+rm -f ns?/named.run ns?/named.core
+rm -f */named.memstats
+rm -f ns*/named.lock
+rm -f ns*/named.conf
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/rrsetorder/ns1/named.conf.in b/bin/tests/system/rrsetorder/ns1/named.conf.in
new file mode 100644
index 0000000..98301c2
--- /dev/null
+++ b/bin/tests/system/rrsetorder/ns1/named.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+	rrset-order {
+		name "fixed.example" order fixed;
+		name "random.example" order random;
+		name "cyclic.example" order cyclic;
+		name "none.example" order none;
+		type NS order random;
+		order cyclic;
+	};
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+	notify explicit;
+	also-notify { 10.53.0.2; };
+};
diff --git a/bin/tests/system/rrsetorder/ns1/root.db b/bin/tests/system/rrsetorder/ns1/root.db
new file mode 100644
index 0000000..094eec7
--- /dev/null
+++ b/bin/tests/system/rrsetorder/ns1/root.db
@@ -0,0 +1,51 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+.                       SOA	hostmaster.isc.org. a.root-servers.nil. (
+				2000042100
+				600
+				600
+				1200
+				600 )
+.                       NS      a.root-servers.nil.
+.                       NS      cyclic.example.
+a.root-servers.nil.	A       10.53.0.1
+;
+fixed.example.		A	1.2.3.4
+fixed.example.		A	1.2.3.3
+fixed.example.		A	1.2.3.1
+fixed.example.		A	1.2.3.2
+;
+random.example.		A	1.2.3.1
+random.example.		A	1.2.3.2
+random.example.		A	1.2.3.3
+random.example.		A	1.2.3.4
+;
+cyclic.example.		A	1.2.3.4
+cyclic.example.		A	1.2.3.3
+cyclic.example.		A	1.2.3.2
+cyclic.example.		A	1.2.3.1
+;
+cyclic2.example.	A	1.2.3.4
+cyclic2.example.	A	1.2.3.3
+cyclic2.example.	A	1.2.3.2
+cyclic2.example.	A	1.2.3.1
+;
+nomatch.example.	A	1.2.3.1
+nomatch.example.	A	1.2.3.2
+nomatch.example.	A	1.2.3.3
+nomatch.example.	A	1.2.3.4
+;
+none.example.		A	1.2.3.1
+none.example.		A	1.2.3.2
+none.example.		A	1.2.3.3
+none.example.		A	1.2.3.4
diff --git a/bin/tests/system/rrsetorder/ns2/named.conf.in b/bin/tests/system/rrsetorder/ns2/named.conf.in
new file mode 100644
index 0000000..164400a
--- /dev/null
+++ b/bin/tests/system/rrsetorder/ns2/named.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	rrset-order {
+		name "fixed.example" order fixed;
+		name "random.example" order random;
+		name "cyclic.example" order cyclic;
+		name "none.example" order none;
+		type NS order random;
+		order cyclic;
+	};
+};
+
+zone "." {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "root.bk";
+};
diff --git a/bin/tests/system/rrsetorder/ns3/named.conf.in b/bin/tests/system/rrsetorder/ns3/named.conf.in
new file mode 100644
index 0000000..a5850ca
--- /dev/null
+++ b/bin/tests/system/rrsetorder/ns3/named.conf.in
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	rrset-order {
+		name "fixed.example" order fixed;
+		name "random.example" order random;
+		name "cyclic.example" order cyclic;
+		name "none.example" order none;
+		type NS order random;
+		order cyclic;
+	};
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/rrsetorder/ns4/named.conf.in b/bin/tests/system/rrsetorder/ns4/named.conf.in
new file mode 100644
index 0000000..d12f50f
--- /dev/null
+++ b/bin/tests/system/rrsetorder/ns4/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	rrset-order {
+		class IN type A name "host.example.com" order random;
+	};
+
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/rrsetorder/ns5/named.conf.in b/bin/tests/system/rrsetorder/ns5/named.conf.in
new file mode 100644
index 0000000..d1a4cfa
--- /dev/null
+++ b/bin/tests/system/rrsetorder/ns5/named.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.fixed.good b/bin/tests/system/rrsetorder/reference.dig.out.fixed.good
new file mode 100644
index 0000000..eaf9c63
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.fixed.good
@@ -0,0 +1,4 @@
+1.2.3.4
+1.2.3.3
+1.2.3.1
+1.2.3.2
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good1 b/bin/tests/system/rrsetorder/reference.dig.out.random.good1
new file mode 100644
index 0000000..c272c75
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good1
@@ -0,0 +1,4 @@
+1.2.3.1
+1.2.3.2
+1.2.3.3
+1.2.3.4
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good10 b/bin/tests/system/rrsetorder/reference.dig.out.random.good10
new file mode 100644
index 0000000..6a39e3f
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good10
@@ -0,0 +1,4 @@
+1.2.3.2
+1.2.3.3
+1.2.3.4
+1.2.3.1
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good11 b/bin/tests/system/rrsetorder/reference.dig.out.random.good11
new file mode 100644
index 0000000..efbc792
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good11
@@ -0,0 +1,4 @@
+1.2.3.2
+1.2.3.4
+1.2.3.1
+1.2.3.3
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good12 b/bin/tests/system/rrsetorder/reference.dig.out.random.good12
new file mode 100644
index 0000000..c859a2e
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good12
@@ -0,0 +1,4 @@
+1.2.3.2
+1.2.3.4
+1.2.3.3
+1.2.3.1
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good13 b/bin/tests/system/rrsetorder/reference.dig.out.random.good13
new file mode 100644
index 0000000..49bf54b
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good13
@@ -0,0 +1,4 @@
+1.2.3.3
+1.2.3.1
+1.2.3.2
+1.2.3.4
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good14 b/bin/tests/system/rrsetorder/reference.dig.out.random.good14
new file mode 100644
index 0000000..974aa89
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good14
@@ -0,0 +1,4 @@
+1.2.3.3
+1.2.3.1
+1.2.3.4
+1.2.3.2
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good15 b/bin/tests/system/rrsetorder/reference.dig.out.random.good15
new file mode 100644
index 0000000..e8deb67
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good15
@@ -0,0 +1,4 @@
+1.2.3.3
+1.2.3.2
+1.2.3.1
+1.2.3.4
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good16 b/bin/tests/system/rrsetorder/reference.dig.out.random.good16
new file mode 100644
index 0000000..f467087
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good16
@@ -0,0 +1,4 @@
+1.2.3.3
+1.2.3.2
+1.2.3.4
+1.2.3.1
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good17 b/bin/tests/system/rrsetorder/reference.dig.out.random.good17
new file mode 100644
index 0000000..6082a25
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good17
@@ -0,0 +1,4 @@
+1.2.3.3
+1.2.3.4
+1.2.3.1
+1.2.3.2
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good18 b/bin/tests/system/rrsetorder/reference.dig.out.random.good18
new file mode 100644
index 0000000..07eefa0
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good18
@@ -0,0 +1,4 @@
+1.2.3.3
+1.2.3.4
+1.2.3.2
+1.2.3.1
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good19 b/bin/tests/system/rrsetorder/reference.dig.out.random.good19
new file mode 100644
index 0000000..a5530c6
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good19
@@ -0,0 +1,4 @@
+1.2.3.4
+1.2.3.1
+1.2.3.2
+1.2.3.3
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good2 b/bin/tests/system/rrsetorder/reference.dig.out.random.good2
new file mode 100644
index 0000000..00da93a
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good2
@@ -0,0 +1,4 @@
+1.2.3.1
+1.2.3.2
+1.2.3.4
+1.2.3.3
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good20 b/bin/tests/system/rrsetorder/reference.dig.out.random.good20
new file mode 100644
index 0000000..6dcf6da
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good20
@@ -0,0 +1,4 @@
+1.2.3.4
+1.2.3.1
+1.2.3.3
+1.2.3.2
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good21 b/bin/tests/system/rrsetorder/reference.dig.out.random.good21
new file mode 100644
index 0000000..9dcc63f
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good21
@@ -0,0 +1,4 @@
+1.2.3.4
+1.2.3.2
+1.2.3.1
+1.2.3.3
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good22 b/bin/tests/system/rrsetorder/reference.dig.out.random.good22
new file mode 100644
index 0000000..4c51aa6
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good22
@@ -0,0 +1,4 @@
+1.2.3.4
+1.2.3.2
+1.2.3.3
+1.2.3.1
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good23 b/bin/tests/system/rrsetorder/reference.dig.out.random.good23
new file mode 100644
index 0000000..eaf9c63
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good23
@@ -0,0 +1,4 @@
+1.2.3.4
+1.2.3.3
+1.2.3.1
+1.2.3.2
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good24 b/bin/tests/system/rrsetorder/reference.dig.out.random.good24
new file mode 100644
index 0000000..c25c756
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good24
@@ -0,0 +1,4 @@
+1.2.3.4
+1.2.3.3
+1.2.3.2
+1.2.3.1
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good3 b/bin/tests/system/rrsetorder/reference.dig.out.random.good3
new file mode 100644
index 0000000..4d50059
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good3
@@ -0,0 +1,4 @@
+1.2.3.1
+1.2.3.3
+1.2.3.2
+1.2.3.4
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good4 b/bin/tests/system/rrsetorder/reference.dig.out.random.good4
new file mode 100644
index 0000000..0b34afa
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good4
@@ -0,0 +1,4 @@
+1.2.3.1
+1.2.3.3
+1.2.3.4
+1.2.3.2
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good5 b/bin/tests/system/rrsetorder/reference.dig.out.random.good5
new file mode 100644
index 0000000..efe0e25
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good5
@@ -0,0 +1,4 @@
+1.2.3.1
+1.2.3.4
+1.2.3.2
+1.2.3.3
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good6 b/bin/tests/system/rrsetorder/reference.dig.out.random.good6
new file mode 100644
index 0000000..d2ca6fc
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good6
@@ -0,0 +1,4 @@
+1.2.3.1
+1.2.3.4
+1.2.3.3
+1.2.3.2
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good7 b/bin/tests/system/rrsetorder/reference.dig.out.random.good7
new file mode 100644
index 0000000..0d8312a
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good7
@@ -0,0 +1,4 @@
+1.2.3.2
+1.2.3.1
+1.2.3.3
+1.2.3.4
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good8 b/bin/tests/system/rrsetorder/reference.dig.out.random.good8
new file mode 100644
index 0000000..3b27693
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good8
@@ -0,0 +1,4 @@
+1.2.3.2
+1.2.3.1
+1.2.3.4
+1.2.3.3
diff --git a/bin/tests/system/rrsetorder/reference.dig.out.random.good9 b/bin/tests/system/rrsetorder/reference.dig.out.random.good9
new file mode 100644
index 0000000..61192af
--- /dev/null
+++ b/bin/tests/system/rrsetorder/reference.dig.out.random.good9
@@ -0,0 +1,4 @@
+1.2.3.2
+1.2.3.3
+1.2.3.1
+1.2.3.4
diff --git a/bin/tests/system/rrsetorder/setup.sh b/bin/tests/system/rrsetorder/setup.sh
new file mode 100644
index 0000000..fbb1a38
--- /dev/null
+++ b/bin/tests/system/rrsetorder/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
diff --git a/bin/tests/system/rrsetorder/tests.sh b/bin/tests/system/rrsetorder/tests.sh
new file mode 100644
index 0000000..cf8bbd1
--- /dev/null
+++ b/bin/tests/system/rrsetorder/tests.sh
@@ -0,0 +1,558 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+nosea +nocomm +nocmd +noquest +noadd +noauth +nocomm +nostat +short +nocookie"
+
+dig_cmd() {
+	# shellcheck disable=SC2086
+	"$DIG" $DIGOPTS -p "${PORT}" "$@" | grep -v '^;'
+}
+
+status=0
+
+GOOD_RANDOM="1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24"
+GOOD_RANDOM_NO=24
+
+if grep "^#define DNS_RDATASET_FIXED" "$TOP_BUILDDIR/config.h" > /dev/null 2>&1 ; then
+    test_fixed=true
+else
+    echo_i "Order 'fixed' disabled at compile time"
+    test_fixed=false
+fi
+
+#
+#
+#
+if $test_fixed; then
+    echo_i "Checking order fixed (primary)"
+    ret=0
+    for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
+    do
+    dig_cmd @10.53.0.1 fixed.example > dig.out.fixed || ret=1
+    diff dig.out.fixed reference.dig.out.fixed.good >/dev/null || ret=1
+    done
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+else
+    echo_i "Checking order fixed behaves as cyclic when disabled (primary)"
+    ret=0
+    matches=0
+    for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+    do
+	j=$((i % 4))
+	dig_cmd @10.53.0.1 fixed.example > dig.out.fixed  || ret=1
+	if [ $i -le 4 ]; then
+	    cp dig.out.fixed dig.out.$j
+	else
+	    diff dig.out.fixed dig.out.$j >/dev/null && matches=$((matches + 1))
+	fi
+    done
+    diff dig.out.0 dig.out.1 >/dev/null && ret=1
+    diff dig.out.0 dig.out.2 >/dev/null && ret=1
+    diff dig.out.0 dig.out.3 >/dev/null && ret=1
+    diff dig.out.1 dig.out.2 >/dev/null && ret=1
+    diff dig.out.1 dig.out.3 >/dev/null && ret=1
+    diff dig.out.2 dig.out.3 >/dev/null && ret=1
+    if [ $matches -ne 16 ]; then ret=1; fi
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+#
+#
+#
+echo_i "Checking order cyclic (primary + additional)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+    j=$((i % 4))
+    dig_cmd @10.53.0.1 cyclic.example > dig.out.cyclic || ret=1
+    if [ $i -le 4 ]; then
+	cp dig.out.cyclic dig.out.$j
+    else
+	diff dig.out.cyclic dig.out.$j >/dev/null && matches=$((matches + 1))
+    fi
+done
+diff dig.out.0 dig.out.1 >/dev/null && ret=1
+diff dig.out.0 dig.out.2 >/dev/null && ret=1
+diff dig.out.0 dig.out.3 >/dev/null && ret=1
+diff dig.out.1 dig.out.2 >/dev/null && ret=1
+diff dig.out.1 dig.out.3 >/dev/null && ret=1
+diff dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+echo_i "Checking order cyclic (primary)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+    j=$((i % 4))
+    dig_cmd @10.53.0.1 cyclic2.example > dig.out.cyclic2 || ret=1
+    if [ $i -le 4 ]; then
+	cp dig.out.cyclic2 dig.out.$j
+    else
+	diff dig.out.cyclic2 dig.out.$j >/dev/null && matches=$((matches + 1))
+    fi
+done
+diff dig.out.0 dig.out.1 >/dev/null && ret=1
+diff dig.out.0 dig.out.2 >/dev/null && ret=1
+diff dig.out.0 dig.out.3 >/dev/null && ret=1
+diff dig.out.1 dig.out.2 >/dev/null && ret=1
+diff dig.out.1 dig.out.3 >/dev/null && ret=1
+diff dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+echo_i "Checking order random (primary)"
+ret=0
+for i in $GOOD_RANDOM
+do
+    eval match$i=0
+done
+for i in a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 9
+do
+    dig_cmd @10.53.0.1 random.example > dig.out.random || ret=1
+    match=0
+    for j in $GOOD_RANDOM
+    do
+	eval "diff dig.out.random reference.dig.out.random.good$j >/dev/null && match$j=1 match=1 || true"
+	if [ $match -eq 1 ]; then break; fi
+    done
+    if [ $match -eq 0 ]; then ret=1; fi
+done
+match=0
+for i in $GOOD_RANDOM
+do
+     eval "match=\$((match + match$i))"
+done
+echo_i "Random selection return $match of ${GOOD_RANDOM_NO} possible orders in 36 samples"
+if [ $match -lt $((GOOD_RANDOM_NO / 3)) ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order none (primary)"
+ret=0
+# Fetch the "reference" response and ensure it contains the expected records.
+dig_cmd @10.53.0.1 none.example > dig.out.none || ret=1
+for i in 1 2 3 4; do
+    grep -F -q 1.2.3.$i dig.out.none || ret=1
+done
+# Ensure 20 further queries result in the same response as the "reference" one.
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+    dig_cmd @10.53.0.1 none.example > dig.out.test$i || ret=1
+    diff dig.out.none dig.out.test$i >/dev/null || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+if $test_fixed; then
+    echo_i "Checking order fixed (secondary)"
+    ret=0
+    for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
+    do
+    dig_cmd @10.53.0.2 fixed.example > dig.out.fixed || ret=1
+    diff dig.out.fixed reference.dig.out.fixed.good || ret=1
+    done
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+#
+#
+#
+echo_i "Checking order cyclic (secondary + additional)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+    j=$((i % 4))
+    dig_cmd @10.53.0.2 cyclic.example > dig.out.cyclic || ret=1
+    if [ $i -le 4 ]; then
+	cp dig.out.cyclic dig.out.$j
+    else
+	diff dig.out.cyclic dig.out.$j >/dev/null && matches=$((matches + 1))
+    fi
+done
+diff dig.out.0 dig.out.1 >/dev/null && ret=1
+diff dig.out.0 dig.out.2 >/dev/null && ret=1
+diff dig.out.0 dig.out.3 >/dev/null && ret=1
+diff dig.out.1 dig.out.2 >/dev/null && ret=1
+diff dig.out.1 dig.out.3 >/dev/null && ret=1
+diff dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+echo_i "Checking order cyclic (secondary)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+    j=$((i % 4))
+    dig_cmd @10.53.0.2 cyclic2.example > dig.out.cyclic2 || ret=1
+    if [ $i -le 4 ]; then
+	cp dig.out.cyclic2 dig.out.$j
+    else
+	diff dig.out.cyclic2 dig.out.$j >/dev/null && matches=$((matches + 1))
+    fi
+done
+diff dig.out.0 dig.out.1 >/dev/null && ret=1
+diff dig.out.0 dig.out.2 >/dev/null && ret=1
+diff dig.out.0 dig.out.3 >/dev/null && ret=1
+diff dig.out.1 dig.out.2 >/dev/null && ret=1
+diff dig.out.1 dig.out.3 >/dev/null && ret=1
+diff dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order random (secondary)"
+ret=0
+for i in $GOOD_RANDOM
+do
+    eval match$i=0
+done
+for i in a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 9
+do
+    dig_cmd @10.53.0.2 random.example > dig.out.random || ret=1
+    match=0
+    for j in $GOOD_RANDOM
+    do
+	eval "diff dig.out.random reference.dig.out.random.good$j >/dev/null && match$j=1 match=1 || true"
+	if [ $match -eq 1 ]; then break; fi
+    done
+    if [ $match -eq 0 ]; then ret=1; fi
+done
+match=0
+for i in $GOOD_RANDOM
+do
+     eval "match=\$((match + match$i))"
+done
+echo_i "Random selection return $match of ${GOOD_RANDOM_NO} possible orders in 36 samples"
+if [ $match -lt $((GOOD_RANDOM_NO / 3)) ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order none (secondary)"
+ret=0
+# Fetch the "reference" response and ensure it contains the expected records.
+dig_cmd @10.53.0.2 none.example > dig.out.none || ret=1
+for i in 1 2 3 4; do
+    grep -F -q 1.2.3.$i dig.out.none || ret=1
+done
+# Ensure 20 further queries result in the same response as the "reference" one.
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+    dig_cmd @10.53.0.2 none.example > dig.out.test$i || ret=1
+    diff dig.out.none dig.out.test$i >/dev/null || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Shutting down secondary"
+
+stop_server ns2
+
+echo_i "Checking for secondary's on disk copy of zone"
+
+if [ ! -f ns2/root.bk ]
+then
+    echo_i "failed";
+    status=$((status + 1))
+fi
+
+echo_i "Re-starting secondary"
+
+start_server --noclean --restart --port ${PORT} ns2
+
+#
+#
+#
+if $test_fixed; then
+    echo_i "Checking order fixed (secondary loaded from disk)"
+    ret=0
+    for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
+    do
+    dig_cmd @10.53.0.2 fixed.example > dig.out.fixed || ret=1
+    diff dig.out.fixed reference.dig.out.fixed.good || ret=1
+    done
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+#
+#
+#
+echo_i "Checking order cyclic (secondary + additional, loaded from disk)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+    j=$((i % 4))
+    dig_cmd @10.53.0.2 cyclic.example > dig.out.cyclic || ret=1
+    if [ $i -le 4 ]; then
+	cp dig.out.cyclic dig.out.$j
+    else
+	diff dig.out.cyclic dig.out.$j >/dev/null && matches=$((matches + 1))
+    fi
+done
+diff dig.out.0 dig.out.1 >/dev/null && ret=1
+diff dig.out.0 dig.out.2 >/dev/null && ret=1
+diff dig.out.0 dig.out.3 >/dev/null && ret=1
+diff dig.out.1 dig.out.2 >/dev/null && ret=1
+diff dig.out.1 dig.out.3 >/dev/null && ret=1
+diff dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+echo_i "Checking order cyclic (secondary loaded from disk)"
+ret=0
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+    j=$((i % 4))
+    dig_cmd @10.53.0.2 cyclic2.example > dig.out.cyclic2 || ret=1
+    if [ $i -le 4 ]; then
+	cp dig.out.cyclic2 dig.out.$j
+    else
+	diff dig.out.cyclic2 dig.out.$j >/dev/null && matches=$((matches + 1))
+    fi
+done
+diff dig.out.0 dig.out.1 >/dev/null && ret=1
+diff dig.out.0 dig.out.2 >/dev/null && ret=1
+diff dig.out.0 dig.out.3 >/dev/null && ret=1
+diff dig.out.1 dig.out.2 >/dev/null && ret=1
+diff dig.out.1 dig.out.3 >/dev/null && ret=1
+diff dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order random (secondary loaded from disk)"
+ret=0
+for i in $GOOD_RANDOM
+do
+    eval match$i=0
+done
+for i in a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 9
+do
+    dig_cmd @10.53.0.2 random.example > dig.out.random || ret=1
+    match=0
+    for j in $GOOD_RANDOM
+    do
+	eval "diff dig.out.random reference.dig.out.random.good$j >/dev/null && match$j=1 match=1 || true"
+	if [ $match -eq 1 ]; then break; fi
+    done
+    if [ $match -eq 0 ]; then ret=1; fi
+done
+match=0
+for i in $GOOD_RANDOM
+do
+    eval "match=\$((match + match$i))"
+done
+echo_i "Random selection return $match of ${GOOD_RANDOM_NO} possible orders in 36 samples"
+if [ $match -lt $((GOOD_RANDOM_NO / 3)) ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order none (secondary loaded from disk)"
+ret=0
+# Fetch the "reference" response and ensure it contains the expected records.
+dig_cmd @10.53.0.2 none.example > dig.out.none || ret=1
+for i in 1 2 3 4; do
+    grep -F -q 1.2.3.$i dig.out.none || ret=1
+done
+# Ensure 20 further queries result in the same response as the "reference" one.
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+    dig_cmd @10.53.0.2 none.example > dig.out.test$i || ret=1
+    diff dig.out.none dig.out.test$i >/dev/null || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+if $test_fixed; then
+    echo_i "Checking order fixed (cache)"
+    ret=0
+    for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
+    do
+    dig_cmd @10.53.0.3 fixed.example > dig.out.fixed || ret=1
+    diff dig.out.fixed reference.dig.out.fixed.good || ret=1
+    done
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+fi
+
+#
+#
+#
+echo_i "Checking order cyclic (cache + additional)"
+ret=0
+# prime acache
+dig_cmd @10.53.0.3 cyclic.example > dig.out.cyclic || ret=1
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+    j=$((i % 4))
+    dig_cmd @10.53.0.3 cyclic.example > dig.out.cyclic || ret=1
+    if [ $i -le 4 ]; then
+	cp dig.out.cyclic dig.out.$j
+    else
+	diff dig.out.cyclic dig.out.$j >/dev/null && matches=$((matches + 1))
+    fi
+done
+diff dig.out.0 dig.out.1 >/dev/null && ret=1
+diff dig.out.0 dig.out.2 >/dev/null && ret=1
+diff dig.out.0 dig.out.3 >/dev/null && ret=1
+diff dig.out.1 dig.out.2 >/dev/null && ret=1
+diff dig.out.1 dig.out.3 >/dev/null && ret=1
+diff dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+#
+#
+#
+echo_i "Checking order cyclic (cache)"
+ret=0
+# prime acache
+dig_cmd @10.53.0.3 cyclic2.example > dig.out.cyclic2 || ret=1
+matches=0
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
+do
+    j=$((i % 4))
+    dig_cmd @10.53.0.3 cyclic2.example > dig.out.cyclic2 || ret=1
+    if [ $i -le 4 ]; then
+	cp dig.out.cyclic2 dig.out.$j
+    else
+	diff dig.out.cyclic2 dig.out.$j >/dev/null && matches=$((matches + 1))
+    fi
+done
+diff dig.out.0 dig.out.1 >/dev/null && ret=1
+diff dig.out.0 dig.out.2 >/dev/null && ret=1
+diff dig.out.0 dig.out.3 >/dev/null && ret=1
+diff dig.out.1 dig.out.2 >/dev/null && ret=1
+diff dig.out.1 dig.out.3 >/dev/null && ret=1
+diff dig.out.2 dig.out.3 >/dev/null && ret=1
+if [ $matches -ne 16 ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order random (cache)"
+ret=0
+for i in $GOOD_RANDOM
+do
+    eval match$i=0
+done
+for i in a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 9
+do
+    dig_cmd @10.53.0.3 random.example > dig.out.random || ret=1
+    match=0
+    for j in $GOOD_RANDOM
+    do
+	eval "diff dig.out.random reference.dig.out.random.good$j >/dev/null && match$j=1 match=1 || true"
+	if [ $match -eq 1 ]; then break; fi
+    done
+    if [ $match -eq 0 ]; then ret=1; fi
+done
+match=0
+for i in $GOOD_RANDOM
+do
+     eval "match=\$((match + match$i))"
+done
+echo_i "Random selection return $match of ${GOOD_RANDOM_NO} possible orders in 36 samples"
+if [ $match -lt $((GOOD_RANDOM_NO / 3)) ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking order none (cache)"
+ret=0
+# Fetch the "reference" response and ensure it contains the expected records.
+dig_cmd @10.53.0.3 none.example > dig.out.none || ret=1
+for i in 1 2 3 4; do
+    grep -F -q 1.2.3.$i dig.out.none || ret=1
+done
+# Ensure 20 further queries result in the same response as the "reference" one.
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+    dig_cmd @10.53.0.3 none.example > dig.out.test$i || ret=1
+    diff dig.out.none dig.out.test$i >/dev/null || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking default order (cache)"
+ret=0
+for i in $GOOD_RANDOM
+do
+    eval match$i=0
+done
+for i in a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 9
+do
+    dig_cmd @10.53.0.5 random.example > dig.out.random || ret=1
+    match=0
+    for j in $GOOD_RANDOM
+    do
+	eval "diff dig.out.random reference.dig.out.random.good$j >/dev/null && match$j=1 match=1 || true"
+	if [ $match -eq 1 ]; then break; fi
+    done
+    if [ $match -eq 0 ]; then ret=1; fi
+done
+match=0
+for i in $GOOD_RANDOM
+do
+     eval "match=\$((match + match$i))"
+done
+echo_i "Default selection return $match of ${GOOD_RANDOM_NO} possible orders in 36 samples"
+if [ $match -lt $((GOOD_RANDOM_NO / 3)) ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "Checking default order no match in rrset-order (cache)"
+ret=0
+# Fetch the "reference" response and ensure it contains the expected records.
+dig_cmd @10.53.0.4 nomatch.example > dig.out.nomatch || ret=1
+for i in 1 2 3 4; do
+    grep -F -q 1.2.3.$i dig.out.nomatch || ret=1
+done
+# Ensure 20 further queries result in the same response as the "reference" one.
+for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+    dig_cmd @10.53.0.4 nomatch.example > dig.out.test$i || ret=1
+    diff dig.out.nomatch dig.out.test$i >/dev/null || ret=1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/rrsetorder/tests_sh_rrsetorder.py b/bin/tests/system/rrsetorder/tests_sh_rrsetorder.py
new file mode 100644
index 0000000..e413f97
--- /dev/null
+++ b/bin/tests/system/rrsetorder/tests_sh_rrsetorder.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_rrsetorder(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/rsabigexponent/README.md b/bin/tests/system/rsabigexponent/README.md
new file mode 100644
index 0000000..44afdbd
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/README.md
@@ -0,0 +1,39 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+The `rsabigexponent` test is used to `check max-rsa-exponent-size`.
+
+We only run this test on builds without PKCS#11, as we have control over
+the RSA exponent size with plain OpenSSL. We have not explored how to do
+this with PKCS#11, which would require generating such a key and then
+signing a zone with it. Additionally, even with control of the exponent
+size with PKCS#11, generating a DNSKEY with this property and signing
+such a zone would be slow and undesirable for each test run; instead, we
+use a pregenerated DNSKEY and a saved signed zone.  These are located in
+`rsabigexponent/ns2` and currently use RSASHA1 for the `DNSKEY`
+algorithm; however, that may need to be changed in the future.
+
+To generate the `DNSKEY` used in this test, we used `bigkey.c`, as
+dnssec-keygen is not capable of generating such keys.
+
+Do **not** remove `bigkey.c` as it may be needed to generate a new
+`DNSKEY` for testing purposes.
+
+`bigkey` is used to both test that we are not running under PKCS#11 and
+generate a `DNSKEY` key with a large RSA exponent.
+
+To regenerate `ns2/example.db.bad` comment out the range test in
+opensslrsa_parse before signing the zone with a ZSK key generated
+by `bigkey`.
+
+        if (BN_num_bits(e) > RSA_MAX_PUBEXP_BITS) {
+                DST_RET(ISC_R_RANGE);
+        }
diff --git a/bin/tests/system/rsabigexponent/bigkey.c b/bin/tests/system/rsabigexponent/bigkey.c
new file mode 100644
index 0000000..19fc9ba
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/bigkey.c
@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <isc/buffer.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/region.h>
+#include <isc/stdio.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#define DST_KEY_INTERNAL
+
+#include <openssl/bn.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/rsa.h>
+
+#include <isc/result.h>
+
+#include <dns/dnssec.h>
+#include <dns/fixedname.h>
+#include <dns/keyvalues.h>
+#include <dns/log.h>
+#include <dns/name.h>
+#include <dns/rdataclass.h>
+#include <dns/secalg.h>
+
+#include <dst/dst.h>
+
+dst_key_t *key;
+dns_fixedname_t fname;
+dns_name_t *name;
+unsigned int bits = 2048U;
+isc_mem_t *mctx;
+isc_log_t *log_;
+isc_logconfig_t *logconfig;
+int level = ISC_LOG_WARNING;
+isc_logdestination_t destination;
+char filename[255];
+isc_result_t result;
+isc_buffer_t buf;
+RSA *rsa;
+BIGNUM *e;
+EVP_PKEY *pkey;
+
+#define CHECK(op, msg)                                                        \
+	do {                                                                  \
+		result = (op);                                                \
+		if (result != ISC_R_SUCCESS) {                                \
+			fprintf(stderr,                                       \
+				"fatal error: %s returns %s at file %s line " \
+				"%d\n",                                       \
+				msg, isc_result_totext(result), __FILE__,     \
+				__LINE__);                                    \
+			ERR_clear_error();                                    \
+			exit(1);                                              \
+		}                                                             \
+	} while (0)
+
+int
+main(int argc, char **argv) {
+	UNUSED(argc);
+	UNUSED(argv);
+
+	rsa = RSA_new();
+	e = BN_new();
+	pkey = EVP_PKEY_new();
+
+	if ((rsa == NULL) || (e == NULL) || (pkey == NULL) ||
+	    !EVP_PKEY_set1_RSA(pkey, rsa))
+	{
+		fprintf(stderr, "fatal error: basic OpenSSL failure\n");
+		ERR_clear_error();
+		exit(1);
+	}
+
+	/* e = 0x1000000000001 */
+	BN_set_bit(e, 0);
+	BN_set_bit(e, 48);
+
+	if (RSA_generate_key_ex(rsa, bits, e, NULL)) {
+		BN_free(e);
+		RSA_free(rsa);
+	} else {
+		fprintf(stderr,
+			"fatal error: RSA_generate_key_ex() fails "
+			"at file %s line %d\n",
+			__FILE__, __LINE__);
+		ERR_clear_error();
+		exit(1);
+	}
+
+	isc_mem_create(&mctx);
+	CHECK(dst_lib_init(mctx, NULL), "dst_lib_init()");
+	isc_log_create(mctx, &log_, &logconfig);
+	isc_log_setcontext(log_);
+	dns_log_init(log_);
+	dns_log_setcontext(log_);
+	isc_log_settag(logconfig, "bigkey");
+
+	destination.file.stream = stderr;
+	destination.file.name = NULL;
+	destination.file.versions = ISC_LOG_ROLLNEVER;
+	destination.file.maximum_size = 0;
+	isc_log_createchannel(logconfig, "stderr", ISC_LOG_TOFILEDESC, level,
+			      &destination,
+			      ISC_LOG_PRINTTAG | ISC_LOG_PRINTLEVEL);
+
+	CHECK(isc_log_usechannel(logconfig, "stderr", NULL, NULL), "isc_log_"
+								   "usechannel("
+								   ")");
+	name = dns_fixedname_initname(&fname);
+	isc_buffer_constinit(&buf, "example.", strlen("example."));
+	isc_buffer_add(&buf, strlen("example."));
+	CHECK(dns_name_fromtext(name, &buf, dns_rootname, 0, NULL), "dns_name_"
+								    "fromtext("
+								    "\"example."
+								    "\")");
+
+	CHECK(dst_key_buildinternal(name, DNS_KEYALG_RSASHA256, bits,
+				    DNS_KEYOWNER_ZONE, DNS_KEYPROTO_DNSSEC,
+				    dns_rdataclass_in, pkey, mctx, &key),
+	      "dst_key_buildinternal(...)");
+
+	CHECK(dst_key_tofile(key, DST_TYPE_PRIVATE | DST_TYPE_PUBLIC, NULL),
+	      "dst_key_tofile()");
+	isc_buffer_init(&buf, filename, sizeof(filename) - 1);
+	isc_buffer_clear(&buf);
+	CHECK(dst_key_buildfilename(key, 0, NULL, &buf), "dst_key_"
+							 "buildfilename()");
+	printf("%s\n", filename);
+	dst_key_free(&key);
+
+	isc_log_destroy(&log_);
+	isc_log_setcontext(NULL);
+	dns_log_setcontext(NULL);
+	dst_lib_destroy();
+	isc_mem_destroy(&mctx);
+	return (0);
+}
+
+/*! \file */
diff --git a/bin/tests/system/rsabigexponent/clean.sh b/bin/tests/system/rsabigexponent/clean.sh
new file mode 100644
index 0000000..22ea41a
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/clean.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f K* */K* */dsset-*. */*.signed */trusted.conf */tmp*
+rm -f ns*/dsset-example
+rm -f ns*/named.run
+rm -f ns*/named.memstats
+rm -f ns1/root.db
+rm -f ns2/signer.err
+rm -f dig.out.*
+rm -f ns*/named.lock
+rm -f ns*/named.conf
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/rsabigexponent/conf/bad01.conf b/bin/tests/system/rsabigexponent/conf/bad01.conf
new file mode 100644
index 0000000..720d197
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/conf/bad01.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	max-rsa-exponent-size 1;
+};
diff --git a/bin/tests/system/rsabigexponent/conf/bad02.conf b/bin/tests/system/rsabigexponent/conf/bad02.conf
new file mode 100644
index 0000000..bd1e827
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/conf/bad02.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	max-rsa-exponent-size 34;
+};
diff --git a/bin/tests/system/rsabigexponent/conf/bad03.conf b/bin/tests/system/rsabigexponent/conf/bad03.conf
new file mode 100644
index 0000000..4331b52
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/conf/bad03.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	max-rsa-exponent-size 4097;
+};
diff --git a/bin/tests/system/rsabigexponent/conf/good01.conf b/bin/tests/system/rsabigexponent/conf/good01.conf
new file mode 100644
index 0000000..1d2cd01
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/conf/good01.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	max-rsa-exponent-size 0;
+};
diff --git a/bin/tests/system/rsabigexponent/conf/good02.conf b/bin/tests/system/rsabigexponent/conf/good02.conf
new file mode 100644
index 0000000..861e054
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/conf/good02.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	max-rsa-exponent-size 35;
+};
diff --git a/bin/tests/system/rsabigexponent/conf/good03.conf b/bin/tests/system/rsabigexponent/conf/good03.conf
new file mode 100644
index 0000000..14a98f8
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/conf/good03.conf
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	max-rsa-exponent-size 4096;
+};
diff --git a/bin/tests/system/rsabigexponent/ns1/named.conf.in b/bin/tests/system/rsabigexponent/ns1/named.conf.in
new file mode 100644
index 0000000..4a9822d
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns1/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/rsabigexponent/ns1/root.db.in b/bin/tests/system/rsabigexponent/ns1/root.db.in
new file mode 100644
index 0000000..a85d814
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns1/root.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	300
+.		IN SOA	gson.nominum.com. a.root.servers.nil. (
+			2012050600	; serial
+			3600		; refresh
+			1200		; retry
+			604800		; expire
+			60		; minimum
+			)
+@		NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+;
+example.	NS	ns2.example.
+ns2.example.	A	10.53.0.2
diff --git a/bin/tests/system/rsabigexponent/ns1/sign.sh b/bin/tests/system/rsabigexponent/ns1/sign.sh
new file mode 100755
index 0000000..8a2f6b9
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns1/sign.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+cp ../ns2/dsset-example.in dsset-example.
+
+keyname=$($KEYGEN -q -a RSASHA256 -b 2048 -n zone $zone)
+
+cat $infile $keyname.key > $zonefile
+
+$SIGNER -P -g -o $zone $zonefile > /dev/null
+
+# Configure the resolving server with a static key.
+keyfile_to_static_ds $keyname > trusted.conf
+cp trusted.conf ../ns2/trusted.conf
+cp trusted.conf ../ns3/trusted.conf
+
+cd ../ns2 && $SHELL -e ./sign.sh
diff --git a/bin/tests/system/rsabigexponent/ns2/Xexample.+008+51650.key b/bin/tests/system/rsabigexponent/ns2/Xexample.+008+51650.key
new file mode 100644
index 0000000..60ff187
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns2/Xexample.+008+51650.key
@@ -0,0 +1,5 @@
+; This is a key-signing key, keyid 51650, for example.
+; Created: 20220721024334 (Thu Jul 21 12:43:34 2022)
+; Publish: 20220721024334 (Thu Jul 21 12:43:34 2022)
+; Activate: 20220721024334 (Thu Jul 21 12:43:34 2022)
+example. IN DNSKEY 257 3 8 AwEAAeeXAGBcXxSNj5X/PWT8XDBk4U9OUkZ7YKQBf2IN3V6OZomt/s3F UWIh70Wot+z1Ld3Rfswq1DjCaWNRFOMhs+9j3Fhc46wMZ4pnsDW1nLHk 2TnQRdrbiuhLkQy5oNMjSRxu924XLw5ylsuqjxE7vXcCeKSFe674roSq wo39atWsTJMDz0FQGxlPucnXai0nHoCeC7+u1s+wLaGcpNSZlsab7Zny FD4HZ3HKUCJw/Jjr5CZjqal9KdmWSC1SINRtlAN6PX5VSiNEncnYMCdj iv+ZhRGn+aHh1BmEWomGbAm2Jjw5mrYMgDs9lJRc5Vtg0YXb9OkYvxNF V4QGw1oeF+M=
diff --git a/bin/tests/system/rsabigexponent/ns2/Xexample.+008+51650.private b/bin/tests/system/rsabigexponent/ns2/Xexample.+008+51650.private
new file mode 100644
index 0000000..d38a0b3
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns2/Xexample.+008+51650.private
@@ -0,0 +1,13 @@
+Private-key-format: v1.3
+Algorithm: 8 (RSASHA256)
+Modulus: 55cAYFxfFI2Plf89ZPxcMGThT05SRntgpAF/Yg3dXo5mia3+zcVRYiHvRai37PUt3dF+zCrUOMJpY1EU4yGz72PcWFzjrAxnimewNbWcseTZOdBF2tuK6EuRDLmg0yNJHG73bhcvDnKWy6qPETu9dwJ4pIV7rviuhKrCjf1q1axMkwPPQVAbGU+5yddqLScegJ4Lv67Wz7AtoZyk1JmWxpvtmfIUPgdnccpQInD8mOvkJmOpqX0p2ZZILVIg1G2UA3o9flVKI0SdydgwJ2OK/5mFEaf5oeHUGYRaiYZsCbYmPDmatgyAOz2UlFzlW2DRhdv06Ri/E0VXhAbDWh4X4w==
+PublicExponent: AQAB
+PrivateExponent: QaMgBa+YeRxIElS1g14tCMBGxXHmyrgkI0eTYWiZkbedYy8v1QU0NDJ2/NC9VEkHF2PNYrNO08lyEiaEW32NYG92n4qwMm6PmAAcRpSzFQ5N7N9VNRrdK0pjkW45IS5Shd8DfK3QdfFPQOkVxGYgpE7Mf6Cfde9gkxRMsO6erXEud6KyBm8kwBR/ipDeUQvpyGkZEQPjLxJG6REjMVhPKTzCV+82DWEf+Ok/3Uxa94+ocAbySHAV3j4YcWpVGWT002gc6CGk8c6TsPYnDkfKQ3moPQZijH7F8zrARtoobCX9TsMFhBqReceZrbzN7en2cZGR5MSISzoTNSr4rGo6aQ==
+Prime1: 8AV9EllWtclD62XHo95Z3h7JJ9t2gY7fUFG0WMbkI0Wj6kcr7k3bFfLj7GEJ1qgVW4Qpu7XnBvPB9hnqoCkbHLzc8ws1D2tY+PsXzvw9IxoXNM/eCobeulu/rYhJl2PcpY9bPcaaR0hldGoCHdFYSo8oi+C5hfRtIMVjnDtHSmk=
+Prime2: 9wHRxgyHjtl8ro9HAkvujxFkhChm4xLxIRM8pfZ+D1VHpzFRD3/RK8CVYVRB8GsQoFRygHBMOW1oHqynN9jddvJrQbHOqFZAbQQlesp0jRPd9Mm6q0cDwYcD4apscB2CUrUswMzoD3H4saIjGnitCsG/t+sLTvuK/giuMdS2Tms=
+Exponent1: pnSH+pOuiL+dtMCPJVvsoxhilJukodD9mewv0GmOic+gD7dwBgJEcAJUgvgBJLbIqQENGDrcj3u5Bf2PM6eOP+3SpVMeZyUhPPqV1lwj4hYUBfIqoM5L5J4AXk5oCu+cc8zpj/wNvmW8xnFGKnumaX7Ctc8Rmo6ap+F8ZTrPBBE=
+Exponent2: txXZKIRnAkJAwZ6f0pr3w4Hv0GmmAZArvQlmPdncDH94sfvDCssB/v0rfE4Y5hxl4YFWsc8LINHwiDQPajzLwvvi9nnWJT5xWJznLwHbrCparbPNMmFb7lmmTeGlqOCmlamG942qQLCI1xnIDTn/gWalNaz539xhZPSIMZVqX+s=
+Coefficient: eK9cQKFRLaU4udqB8t8KSQxlNl0x9J+9bcaEzn0+579LrZUZvspfiR4DNGwr9qK+PWk+CU7/6xsWbq2zbKIEWucoR97t+E8Zhx00GCDbiu/QI2wviEcYbB2udznRv1WSIDoCWf2TXeh5G2E2ugt5F4+b56qMXmT7IudxYGPtQCY=
+Created: 20220721024334
+Publish: 20220721024334
+Activate: 20220721024334
diff --git a/bin/tests/system/rsabigexponent/ns2/Xexample.+008+52810.key b/bin/tests/system/rsabigexponent/ns2/Xexample.+008+52810.key
new file mode 100644
index 0000000..a1f14c9
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns2/Xexample.+008+52810.key
@@ -0,0 +1,2 @@
+; This is a zone-signing key, keyid 52810, for example.
+example. IN DNSKEY 256 3 8 BwEAAAAAAAHYYy161+wCg6yFHRlyex8oVkcK+K2SBUryI1+DEKzjusH6 yLfzzlJCPGrubmD+jseKYwXfzelJkRQbMDjWbMYLHKytuPtwnJMSeVh+ a/Ore6oVPXy716EYpsEBSmVjfQyS0mGHpwrYk4QaKjJDM7Q173EFl/sE eXjHqInlzOgJbXqsCrSfA94anSt42DGhJeeIfQ8b3vqD/nCnA6C7khIt AWlfJto7d42Ev8tckjr3CrTW9tn9pHb2DKeh85rKeJBBLMYQU3jfF5KH EEsjztLGMnPLlXTteh8wKrk/0IJrot17w0FR0H2v8oG3xDXxfhJ0OeTW 7dtBHD6ISgqeJ9zt
diff --git a/bin/tests/system/rsabigexponent/ns2/Xexample.+008+52810.private b/bin/tests/system/rsabigexponent/ns2/Xexample.+008+52810.private
new file mode 100644
index 0000000..bbb5ad9
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns2/Xexample.+008+52810.private
@@ -0,0 +1,10 @@
+Private-key-format: v1.3
+Algorithm: 8 (RSASHA256)
+Modulus: 2GMtetfsAoOshR0ZcnsfKFZHCvitkgVK8iNfgxCs47rB+si3885SQjxq7m5g/o7HimMF383pSZEUGzA41mzGCxysrbj7cJyTEnlYfmvzq3uqFT18u9ehGKbBAUplY30MktJhh6cK2JOEGioyQzO0Ne9xBZf7BHl4x6iJ5czoCW16rAq0nwPeGp0reNgxoSXniH0PG976g/5wpwOgu5ISLQFpXybaO3eNhL/LXJI69wq01vbZ/aR29gynofOayniQQSzGEFN43xeShxBLI87SxjJzy5V07XofMCq5P9CCa6Lde8NBUdB9r/KBt8Q18X4SdDnk1u3bQRw+iEoKnifc7Q==
+PublicExponent: AQAAAAAAAQ==
+PrivateExponent: aD+JLNdCtAk1++UwcGdPslSoWq2szZHGrY+I+YfhfcBZrPP13exC40hgUgRNuYJOaJ3WMpgsKI4p8YDVNttF6LI7WNBURQhmBSwquB5BWWkoh7uR4PfKWGB0ZkDwUQcA2IdMVS4+QAKVQMmUXGnXhQI1p8duAORZp0gE71VsHTEzwf5AIEG2+f/oCjDsMJN0J7X3qktJr5ho64aMHyHf5+yKk6fFcy7wfC175SkIZ53uBfpCsFXkgq8YukXfcyoG5o4FUHheGnDwkVOzviEUHk8xweJnNNRbV6n/ck9AXzq3VSA9BbrXtRzZmre/L6tJvEnbH0EycwDkxCMlOSqGbQ==
+Prime1: /hnW5M2vzAoAjx2wum98YZZ6gv1IpV88c4HDLA3vY79Qxd8FYanldxPNjgQJEPjHD5hG6tGN+cjZdXv/X+sk5j3fmCB7RKwMKcoD8A/jyH2JaQLTbXm6EBd1BCMIN+w3W+A2E6evYYyINLwMUwqRlUcAaD8HoDLK8iz6iAUhFss=
+Prime2: 2gEuuug1PDnbWWFVzzMUrVXiRiFqJVTTvR3AjJVJNZPwAL4FMenh98rtI3s1zSB6P4RSyvRJ6YMOAT0ZrMxviJy76EExGgCB5F4w7g67I7VGPuA1tLn5kt5j9j5wQmdq1yMG5QpCJWr7bxjSDYvIzy2sZjZ/KTuHGtUzFUnHrCc=
+Exponent1: MaDlpmDYxZ2QvM+cp58Bj160u+21qIA/UZ2ysh6102uQmYHm92481z2+AvCJuq2PpkuROMd/4i2w7L0RbfZ2MYzUFndLZ8NgmNDjNDfUzeRQl2KQdAOLK4DNXmf3mKwLO0Sbj/pxgj0vYAe9gcU4Pe8ukVuSX0nkehbDi4cjfr0=
+Exponent2: cNHFlVCwvEPNVnpQCZS3iqF/D3HN8FtP2st0CrYbjQI8DYpcQUWVMqUqdqFOkYM0/qadpkX+JMlPJTjJZ8YDYYWIZGSC2ruMPIxB7DayVDBbgugmsC1isZjyApdQ44xtdNVyMYmcYeHUz5gR1x/eWdGNyjzMEvfbEjXIKbRykAM=
+Coefficient: ovH/7MP64Dai8draXD3t+jl6UTchig+LDwXA2GvlZY0HVP+9yvE49VSKhoYxolL/ZmabIgzzOAyJ66SyYq31ozxbpKrBGiFdzAbgkJgFIbdYMgfLHXNkH1vissGeY0KdS5ee6sKDfk1VmE94UOVHi11oslvnTiG2RF/I3koYV7Q=
diff --git a/bin/tests/system/rsabigexponent/ns2/dsset-example.in b/bin/tests/system/rsabigexponent/ns2/dsset-example.in
new file mode 100644
index 0000000..9ad254b
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns2/dsset-example.in
@@ -0,0 +1 @@
+example. IN DS 51650 8 2 F225122667540159A30620B2D0888036BDF76276D245DE3453C883F0C3276705
diff --git a/bin/tests/system/rsabigexponent/ns2/example.db.bad b/bin/tests/system/rsabigexponent/ns2/example.db.bad
new file mode 100644
index 0000000..b105978
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns2/example.db.bad
@@ -0,0 +1,156 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+example.		300	IN SOA	mname1. . (
+					2012050601 ; serial
+					3600       ; refresh (1 hour)
+					600        ; retry (10 minutes)
+					604800     ; expire (1 week)
+					3600       ; minimum (1 hour)
+					)
+			300	RRSIG	SOA 8 1 300 (
+					20361231235959 20000101000000 52810 example.
+					IfZrUTjdr4Ull5MSQW4eHxrub6X5O8VWB3vG
+					kg6TBT8f2Aw4hLcwT0X47xRqL9nU1kKA3qpu
+					mi71wqiZPbYI+suHYGuqRO/V6YujdQRpLhGS
+					gTpLmETa46unkMDY6sze41AlCyzR79yaDxVS
+					+pS2V1AVYzQzzeswJXHwSLO5HKtClPL3izpV
+					AJD1+dL0UZRs9yOqbxU1RgvASPFEt+1Wd2p6
+					qwyeadJ7PB0PL7QQXSDsQ09Ms1BGoKq5p6Os
+					HtgXPo+aZQR2gczm3Yals9I1tZnk/ZM86aS0
+					63NrEEUQycMNCr100WgWzYQzO90SmJMqpdeZ
+					fxzlRQbY7jN4qRbM7A== )
+			300	NS	ns2.example.
+			300	RRSIG	NS 8 1 300 (
+					20361231235959 20000101000000 52810 example.
+					VUPhDucH6rlx93V13b7OSAQ6fE/9jlxhCTXv
+					peBD69WOa4jZHMZf60gqy10gLVMx35gZdEaU
+					cJqaBcAniSwPY3a7mxclMja7fmuCB9wcSbiP
+					pwk5KIYSgIvoWp3ro2I19C0IDQDVWtH1xqdQ
+					Dv+3MV39Zpf0AnXB05mBopI2DQI9mYHCnmis
+					F3pfcfs+h/ipyodE5kccBBRvtfKWHly342Xe
+					azHKM4eyuGj9NLwuwsoVgnyQ3I9hrKVAiUjS
+					fQ4cxyBVhh+Wb1/VrVSbX+X9VNzQ04mcREHS
+					yXIPoIQBNju3dyOSTQ+VIeasRvRU8nqMS/1f
+					oeqj5ehTjtfejF6Jfw== )
+			300	NSEC	a.example. NS SOA RRSIG NSEC DNSKEY
+			300	RRSIG	NSEC 8 1 300 (
+					20361231235959 20000101000000 52810 example.
+					bG90DOCaN7BhihvtCUs2eJhSHkRaV582ROQi
+					AbamawevX8NQGJeVpHb3t5ekQuK5EWjLFr6i
+					bga5TpeP8HOv3lDb8w7kb7xOrHycw5Sizws5
+					PZTvtuty9nT6dZ9h4pfLNTbW+SBV904xv3JT
+					ZlXoxtm4JAdmKUcGiCFLjMvwbQ5SKEZq27uN
+					9xCeY0CPkQmiGbTrySYFyNZsBBsL2OI5ec2V
+					TbQVSDhnnEhbVdMb8Yh2sTt9H/CT1yG2s4U9
+					a9ccxguFzt6mk+f5ZL+WKgxkTOMOrZW3dyiI
+					x53dNQyZN/tczibox/LLG/SaET5wR/V5gDsh
+					9DObfc9u1+of/H0lhg== )
+			300	DNSKEY	257 3 8 (
+					AwEAAeeXAGBcXxSNj5X/PWT8XDBk4U9OUkZ7
+					YKQBf2IN3V6OZomt/s3FUWIh70Wot+z1Ld3R
+					fswq1DjCaWNRFOMhs+9j3Fhc46wMZ4pnsDW1
+					nLHk2TnQRdrbiuhLkQy5oNMjSRxu924XLw5y
+					lsuqjxE7vXcCeKSFe674roSqwo39atWsTJMD
+					z0FQGxlPucnXai0nHoCeC7+u1s+wLaGcpNSZ
+					lsab7ZnyFD4HZ3HKUCJw/Jjr5CZjqal9KdmW
+					SC1SINRtlAN6PX5VSiNEncnYMCdjiv+ZhRGn
+					+aHh1BmEWomGbAm2Jjw5mrYMgDs9lJRc5Vtg
+					0YXb9OkYvxNFV4QGw1oeF+M=
+					) ; KSK; alg = RSASHA256 ; key id = 51650
+			300	DNSKEY	256 3 8 (
+					BwEAAAAAAAHYYy161+wCg6yFHRlyex8oVkcK
+					+K2SBUryI1+DEKzjusH6yLfzzlJCPGrubmD+
+					jseKYwXfzelJkRQbMDjWbMYLHKytuPtwnJMS
+					eVh+a/Ore6oVPXy716EYpsEBSmVjfQyS0mGH
+					pwrYk4QaKjJDM7Q173EFl/sEeXjHqInlzOgJ
+					bXqsCrSfA94anSt42DGhJeeIfQ8b3vqD/nCn
+					A6C7khItAWlfJto7d42Ev8tckjr3CrTW9tn9
+					pHb2DKeh85rKeJBBLMYQU3jfF5KHEEsjztLG
+					MnPLlXTteh8wKrk/0IJrot17w0FR0H2v8oG3
+					xDXxfhJ0OeTW7dtBHD6ISgqeJ9zt
+					) ; ZSK; alg = RSASHA256 ; key id = 52810
+			300	RRSIG	DNSKEY 8 1 300 (
+					20361231235959 20000101000000 52810 example.
+					O4q1oueEgPoWHhrLiobGvMQLS2KHN+xxSddf
+					y6fqksqivRLgj0633fnEZrFtc44YueV+L4gQ
+					kaoWCCpR0yQH4BOw4p3FVjEgl+jXLzIc7amw
+					ZfKAnSOtMoTaBCQ2hN8b2ducUHgKV7ta9bca
+					lO0wuqqp2OOO/n9S3YMBVfrCW4jL2w1QPC+b
+					lm/4ka8OwqKKGAcO0d/nGeOPJZnfbddSzqEQ
+					C3j1tGavwBC4RAGilxw3XoyoICDp0LQR7M9a
+					tWAxYmMfilEEfpip9R3HhCa+ynIVsHP8yTXE
+					dlWM3LUZePm44aV38YeObJpRMkb8sO5VrbZn
+					8hJoIs3eyguC4HKKTg== )
+			300	RRSIG	DNSKEY 8 1 300 (
+					20361231235959 20000101000000 51650 example.
+					Eaw79mOoImGg+ymMJ+9paoanUgR/Od0Pxv/X
+					mevid1TRbssSc2KynAToxSXRcOQwRQjto9sC
+					qj0pOekPPmW1I6DRlMOGDS6l0Uuk51GvUuRD
+					Xbr19BG73mcPuKfYHNbx6cUHvBlPilnjM803
+					m9E8DK6Ba9uo/MNhgtWoWj8wQxqP2YS+HW3v
+					bOv/p4en9Dc5ft6ATtSYj84ejuPAKnfVbleI
+					fJW+qIQ7q9A24xEZ4QlWuRovjsoASVsuLnX+
+					X4sQYlWBIPMQYQ8RIN1CgSRPGb603pAq9ru6
+					ySpjlxHQRtdOGBNJleg9Wz612rHRd3x7BM+8
+					/Lvz31Ot/JSh3u4DSQ== )
+a.example.		300	IN A	10.0.0.1
+			300	RRSIG	A 8 2 300 (
+					20361231235959 20000101000000 52810 example.
+					zp4L0Um0guehtT+4GQaMeYx5PiwEbSRyi7sg
+					Xv2uFn/wFML/Df0PgCxCYkWKL2Db/j15IZON
+					uz2CNRG7lDMZsb+JgyLZ6R3OuSKjwzA++kUu
+					8ExPpdrFHxZFMPefkU1vjf7E1yt4/aSaO23T
+					m0F6yFHcVfBE1DElG1vLWO6cWtSIMKjXOo15
+					Zy2hHhT/7jKhqcHnwwCBHLuV9/e9OmI34H7I
+					Sd3Ik8dnNEjRTVbLem3tQMfQ9ZfYDHPHli+z
+					Z5dGgPmpyNPq5bfs7O5uCO5cNCbouFdEnc6O
+					DA9QiyOGba8w7vI1gHMvA+rWPpA+fTGgrVRq
+					7bTfa0jTOsybR8rZjg== )
+			300	NSEC	ns2.example. A RRSIG NSEC
+			300	RRSIG	NSEC 8 2 300 (
+					20361231235959 20000101000000 52810 example.
+					oh6oqdC9OIoO0jIN0x9MIBlYlzAg2LFYffrP
+					QlgPAtPn8A9cPCxU2i6hJ1ubqc6o1LVD7LH6
+					GVj842Ytys1uO2Nwf9xXS4gbchJ6NE9IjQh6
+					IoBNmlgdfprzJEJlEFx73dytakfcjc+hIj8t
+					b14Lu2/5BBDSamw+uVyeV8Wg2jNdrN7UEqyA
+					ccnhLPWHAOtspzxrmCrBDPc6Geelu8KzARs5
+					qOZ/p9CKffmKL/65K/N8WWKQWVNI22tAbiWT
+					J1t3BNkOLUSKMvEVLFcgStV4QtFcQrSB96Hu
+					D2rSbAGsH5Ujmz4GTxhOSqd8OJ7XDEWlhZod
+					LhUBltfjmakorhGqqg== )
+ns2.example.		300	IN A	10.53.0.2
+			300	RRSIG	A 8 2 300 (
+					20361231235959 20000101000000 52810 example.
+					sDlETJwDoWqYZdcwYBW/l+Ot4Tb3mSXJvW3R
+					1fsoiq/obWZeC+bU2MszckcZKPET2CRqBD+c
+					uLCcOhZrcH0m25Y02SAzOOG2V12KNvWVznSz
+					bZw+/+ucYhxhiNKherdwpHOAdjlhG//zFHDy
+					sAxmrtjWO2DT9pv1Hd/Hm3aGgAYTs0ryyeyo
+					k05sTgdr43APFkX4SNoNXGUEt8E0uMghIvhi
+					mgKSQ45fZFsZeUiEfwvtQ8uAuDNOLWK49Bw5
+					184QrQ/NZ3YVyJercg7wm/jFMVkgxggiOl2q
+					ZCLadaSQNnsvtbwgyTktRJb5YovzZEQrH7O0
+					vW/DAN1Cqa1nXw/kZA== )
+			300	NSEC	example. A RRSIG NSEC
+			300	RRSIG	NSEC 8 2 300 (
+					20361231235959 20000101000000 52810 example.
+					DyLuymW3Bv6irCLzfUGnz2cy1XctqfW7ycLc
+					7wgDzDLNvJ6tqr8tjHKMdCODJDiG+lR5oFo7
+					8RA604OYcmJjLIAMj3fCxzBkIlH5SXRcJ86X
+					a8U6oXrgt6IvUMC2crdWMVgVnSWlqBS4TNNg
+					QhUa+vt+Em8ce3fveqh1tXm1hzysSroOQtMk
+					HOPAtwYR9XP4mTdbC43AU/67jsYPqXq59lm4
+					sE1tmnVdhXuOk7yNAt8O2CSZGGZl5bYMC4On
+					IgWZP7liebXAmhmXpHbBf5/BaE9dVfvWzYTT
+					4wUch+f8TDwwyTqumrlrPsVnvkQ9V0LwODox
+					PxWWxFAznmUMEtlo3g== )
diff --git a/bin/tests/system/rsabigexponent/ns2/example.db.in b/bin/tests/system/rsabigexponent/ns2/example.db.in
new file mode 100644
index 0000000..a2a6964
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns2/example.db.in
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	mname1. . (
+			2012050601 ; serial
+			3600	   ; refresh
+			600	   ; retry
+			604800	   ; expire
+			3600	   ; minimum
+			)
+		NS	ns2
+ns2		A	10.53.0.2
+
+a		A	10.0.0.1
diff --git a/bin/tests/system/rsabigexponent/ns2/named.conf.in b/bin/tests/system/rsabigexponent/ns2/named.conf.in
new file mode 100644
index 0000000..c81b3f6
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns2/named.conf.in
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db.bad";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/rsabigexponent/ns2/sign.sh b/bin/tests/system/rsabigexponent/ns2/sign.sh
new file mode 100755
index 0000000..53e2257
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns2/sign.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=example.
+infile=example.db.in
+outfile=example.db.bad
+
+for i in Xexample.+008+51650.key Xexample.+008+51650.private \
+	 Xexample.+008+52810.key Xexample.+008+52810.private
+do
+	cp $i $(echo $i | sed s/X/K/)
+done
+
+$SIGNER -g -s 20000101000000 -e 20361231235959 -o $zone \
+	$infile Kexample.+008+52810.key \
+	> /dev/null 2> signer.err || true
diff --git a/bin/tests/system/rsabigexponent/ns3/named.conf.in b/bin/tests/system/rsabigexponent/ns3/named.conf.in
new file mode 100644
index 0000000..bc63656
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/ns3/named.conf.in
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify yes;
+	dnssec-validation yes;
+	max-rsa-exponent-size 35;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/rsabigexponent/setup.sh b/bin/tests/system/rsabigexponent/setup.sh
new file mode 100644
index 0000000..b7c2801
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/setup.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+
+cd ns1 && $SHELL -e sign.sh
diff --git a/bin/tests/system/rsabigexponent/tests.sh b/bin/tests/system/rsabigexponent/tests.sh
new file mode 100644
index 0000000..39ebd8a
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/tests.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+
+rm -f dig.out.*
+
+DIGOPTS="+tcp +noadd +nosea +nostat +nocmd +dnssec -p ${PORT}"
+
+for f in conf/good*.conf
+do
+	echo_i "checking '$f'"
+	ret=0
+	$CHECKCONF $f > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+done
+
+for f in conf/bad*.conf
+do
+	echo_i "checking '$f'"
+	ret=0
+	$CHECKCONF $f > /dev/null && ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+done
+
+echo_i "checking that RSA big exponent keys can't be loaded"
+ret=0
+grep "out of range" ns2/signer.err > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking that RSA big exponent signature can't validate"
+ret=0
+$DIG $DIGOPTS a.example @10.53.0.2 > dig.out.ns2 || ret=1
+$DIG $DIGOPTS a.example @10.53.0.3 > dig.out.ns3 || ret=1
+grep "status: NOERROR" dig.out.ns2 > /dev/null || ret=1
+grep "status: SERVFAIL" dig.out.ns3 > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/rsabigexponent/tests_sh_rsabigexponent.py b/bin/tests/system/rsabigexponent/tests_sh_rsabigexponent.py
new file mode 100644
index 0000000..38ab381
--- /dev/null
+++ b/bin/tests/system/rsabigexponent/tests_sh_rsabigexponent.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_rsabigexponent(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/run.gdb b/bin/tests/system/run.gdb
new file mode 100644
index 0000000..60981e1
--- /dev/null
+++ b/bin/tests/system/run.gdb
@@ -0,0 +1 @@
+thread apply all bt full
diff --git a/bin/tests/system/run.sh b/bin/tests/system/run.sh
new file mode 100755
index 0000000..8e87c0f
--- /dev/null
+++ b/bin/tests/system/run.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Run a single system test using the pytest runner. This is a simple wrapper
+# around pytest for convenience.
+#
+
+if [ -z "$1" ] || [ ! -d "$1" ]; then
+    echo "Usage: $0 system_test_dir [pytest_args]"
+    exit 2
+fi
+
+system_test_dir="$1"
+shift
+
+(cd "$system_test_dir" || exit 2 ; /usr/bin/env python3 -m pytest "$@")
diff --git a/bin/tests/system/runall.sh b/bin/tests/system/runall.sh
new file mode 100755
index 0000000..bbd072e
--- /dev/null
+++ b/bin/tests/system/runall.sh
@@ -0,0 +1,99 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Run all the system tests.
+#
+# Usage:
+#    runall.sh [-c] [-n] [numprocesses]
+#
+#   -c          Force colored output.
+#
+#   -n          Noclean.  Keep all output files produced by all tests.  These
+#               can later be removed by running "cleanall.sh".
+#
+#   numprocess  Number of concurrent processes to use when running the tests.
+#               The default is one, which causes the tests to run sequentially.
+
+. ./conf.sh
+
+usage="Usage: ./runall.sh [-c] [-n] [numprocesses]"
+
+# Preserve values of environment variables which are already set.
+
+SYSTEMTEST_FORCE_COLOR=${SYSTEMTEST_FORCE_COLOR:-0}
+SYSTEMTEST_NO_CLEAN=${SYSTEMTEST_NO_CLEAN:-0}
+
+# Handle command line switches if present.
+
+while getopts "cn-" flag; do
+    case "$flag" in
+        c) SYSTEMTEST_FORCE_COLOR=1 ;;
+        n) SYSTEMTEST_NO_CLEAN=1 ;;
+	-) break;;
+	*) exit 1;;
+    esac
+done
+export NOCLEAN
+shift $((OPTIND-1))
+
+# Obtain number of processes to use.
+
+if [ $# -eq 0 ]; then
+    numproc=1
+elif [ $# -eq 1 ]; then
+    if [ "$1" -ne "$1" ] 2>&1; then
+        # Value passed is not numeric
+        echo "$usage" >&2
+        exit 1
+    fi
+    numproc=$1
+else
+    echo "$usage" >&2
+    exit 1
+fi
+
+# Run the tests.
+
+export SYSTEMTEST_FORCE_COLOR
+export SYSTEMTEST_NO_CLEAN
+
+status=0
+
+if [ "$NOPARALLEL" = "" ]; then
+    # use "make" to run tests in parallel.
+    make -j "$numproc" check
+    status=$?
+else
+    # the NOPARALLEL environment variable indicates that tests must be
+    # run sequentially.
+    $PERL testsock.pl || {
+        cat <<-EOF
+	I:NOTE: System tests were skipped because they require the
+	I:      test IP addresses 10.53.0.* to be configured as alias
+	I:      addresses on the loopback interface.  Please run
+	I:      "bin/tests/system/ifconfig.sh up" as root to configure them.
+	EOF
+        exit 1
+    }
+    (
+	status=0
+        for testdir in $SUBDIRS; do
+            $SHELL legacy.run.sh -r "$testdir" || status=1
+        done
+	echo "$status" > systests.status
+    ) 2>&1 | tee "systests.output"
+    read -r status < systests.status
+    rm systests.status
+fi
+
+exit "$status"
diff --git a/bin/tests/system/runsequential.sh b/bin/tests/system/runsequential.sh
new file mode 100755
index 0000000..953bff0
--- /dev/null
+++ b/bin/tests/system/runsequential.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Run system tests that must be run sequentially
+#
+# Note: Use "make check" (or runall.sh) to run all the system tests.  This
+# script will just run those tests that require that each of their nameservers
+# is the only one running on an IP address.
+#
+
+. ./conf.sh
+
+for d in $SEQUENTIALDIRS
+do
+    $SHELL legacy.run.sh "${@}" "$d" 2>&1 | tee "test.output.$d"
+done
diff --git a/bin/tests/system/runtime/README b/bin/tests/system/runtime/README
new file mode 100644
index 0000000..9272f12
--- /dev/null
+++ b/bin/tests/system/runtime/README
@@ -0,0 +1,13 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+Tests of runtime checks, e.g., that named prevents duplicate processes
+from running.
diff --git a/bin/tests/system/runtime/clean.sh b/bin/tests/system/runtime/clean.sh
new file mode 100644
index 0000000..39fdc0c
--- /dev/null
+++ b/bin/tests/system/runtime/clean.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+[ -d ns2/nope ] && chmod 755 ns2/nope
+
+rm -f *.pid
+rm -f */named*.run
+rm -f */named.memstats
+rm -f kill*.out
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.lock ns*/named*.pid ns*/other.lock
+rm -f ns2/named.conf ns2/named-alt*.conf
+rm -f rndc.out*
+rm -rf ns2/nope
+rm -rf ns2/tmp.*
diff --git a/bin/tests/system/runtime/ctrl-chars b/bin/tests/system/runtime/ctrl-chars
new file mode 100644
index 0000000..4ce1650
--- /dev/null
+++ b/bin/tests/system/runtime/ctrl-chars
@@ -0,0 +1 @@
+
\ No newline at end of file
diff --git a/bin/tests/system/runtime/long-cmd-line b/bin/tests/system/runtime/long-cmd-line
new file mode 100644
index 0000000..e691a71
--- /dev/null
+++ b/bin/tests/system/runtime/long-cmd-line
@@ -0,0 +1 @@
+-m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage -m usage 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-m usage
diff --git a/bin/tests/system/runtime/ns2/named-alt1.conf.in b/bin/tests/system/runtime/ns2/named-alt1.conf.in
new file mode 100644
index 0000000..4efb3d7
--- /dev/null
+++ b/bin/tests/system/runtime/ns2/named-alt1.conf.in
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/runtime/ns2/named-alt2.conf.in b/bin/tests/system/runtime/ns2/named-alt2.conf.in
new file mode 100644
index 0000000..ab374f8
--- /dev/null
+++ b/bin/tests/system/runtime/ns2/named-alt2.conf.in
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; 10.53.0.3; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/runtime/ns2/named-alt3.conf.in b/bin/tests/system/runtime/ns2/named-alt3.conf.in
new file mode 100644
index 0000000..0f351aa
--- /dev/null
+++ b/bin/tests/system/runtime/ns2/named-alt3.conf.in
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	port @PORT@;
+	pid-file "named-alt3.pid";
+	lock-file none;
+	listen-on { 10.53.0.2; 10.53.0.3; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/runtime/ns2/named-alt4.conf.in b/bin/tests/system/runtime/ns2/named-alt4.conf.in
new file mode 100644
index 0000000..4c0312a
--- /dev/null
+++ b/bin/tests/system/runtime/ns2/named-alt4.conf.in
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	directory "./nope";
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/runtime/ns2/named-alt5.conf.in b/bin/tests/system/runtime/ns2/named-alt5.conf.in
new file mode 100644
index 0000000..71b7e09
--- /dev/null
+++ b/bin/tests/system/runtime/ns2/named-alt5.conf.in
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	managed-keys-directory "./nope";
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/runtime/ns2/named-alt6.conf.in b/bin/tests/system/runtime/ns2/named-alt6.conf.in
new file mode 100644
index 0000000..fb79924
--- /dev/null
+++ b/bin/tests/system/runtime/ns2/named-alt6.conf.in
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	new-zones-directory "./nope";
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/runtime/ns2/named-alt7.conf.in b/bin/tests/system/runtime/ns2/named-alt7.conf.in
new file mode 100644
index 0000000..722316f
--- /dev/null
+++ b/bin/tests/system/runtime/ns2/named-alt7.conf.in
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/runtime/ns2/named-alt9.conf.in b/bin/tests/system/runtime/ns2/named-alt9.conf.in
new file mode 100644
index 0000000..f0ebcd3
--- /dev/null
+++ b/bin/tests/system/runtime/ns2/named-alt9.conf.in
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	port @PORT@;
+	pid-file "named9.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
diff --git a/bin/tests/system/runtime/ns2/named1.conf.in b/bin/tests/system/runtime/ns2/named1.conf.in
new file mode 100644
index 0000000..d8b3148
--- /dev/null
+++ b/bin/tests/system/runtime/ns2/named1.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { fd92:7065:b8e:ffff::2; };
+	recursion no;
+	notify yes;
+	dnssec-validation no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
diff --git a/bin/tests/system/runtime/setup.sh b/bin/tests/system/runtime/setup.sh
new file mode 100644
index 0000000..f6747ce
--- /dev/null
+++ b/bin/tests/system/runtime/setup.sh
@@ -0,0 +1,29 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns2/named1.conf.in ns2/named.conf
+
+copy_setports ns2/named-alt1.conf.in ns2/named-alt1.conf
+copy_setports ns2/named-alt2.conf.in ns2/named-alt2.conf
+copy_setports ns2/named-alt3.conf.in ns2/named-alt3.conf
+copy_setports ns2/named-alt4.conf.in ns2/named-alt4.conf
+copy_setports ns2/named-alt5.conf.in ns2/named-alt5.conf
+copy_setports ns2/named-alt6.conf.in ns2/named-alt6.conf
+copy_setports ns2/named-alt7.conf.in ns2/named-alt7.conf
+
+mkdir ns2/nope
+chmod 555 ns2/nope
diff --git a/bin/tests/system/runtime/tests.sh b/bin/tests/system/runtime/tests.sh
new file mode 100644
index 0000000..6fd428e
--- /dev/null
+++ b/bin/tests/system/runtime/tests.sh
@@ -0,0 +1,252 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+NAMED_DEFAULT_ARGS="-m record -d 99 -g -U 4"
+
+kill_named() {
+	pidfile="${1}"
+	if [ ! -r "${pidfile}" ]; then
+		return 1
+	fi
+
+	pid=$(cat "${pidfile}" 2>/dev/null)
+	if [ "${pid:+set}" = "set" ]; then
+		kill -15 "${pid}" >/dev/null 2>&1
+		retries=10
+		while [ "$retries" -gt 0 ]; do
+			if ! kill -0 "${pid}" >/dev/null 2>&1; then
+				break
+			fi
+			sleep 1
+			retries=$((retries-1))
+		done
+		# Timed-out
+		if [ "$retries" -eq 0 ]; then
+			echo_i "failed to kill named ($pidfile)"
+			return 1
+		fi
+	fi
+	rm -f "${pidfile}"
+	return 0
+}
+
+check_named_log() {
+	grep "$@" >/dev/null 2>&1
+}
+
+run_named() (
+	dir="$1"
+	shift
+	run="$1"
+	shift
+	if cd "$dir" > /dev/null 2>&1
+	then
+		"${NAMED}" "$@" ${NAMED_DEFAULT_ARGS} >> "$run" 2>&1 &
+		echo $!
+	fi
+)
+
+check_pid() (
+	return $(! kill -0 "${1}" >/dev/null 2>&1)
+)
+
+status=0
+n=0
+
+n=$((n+1))
+echo_i "verifying that named started normally ($n)"
+ret=0
+[ -s ns2/named.pid ] || ret=1
+grep "unable to listen on any configured interface" ns2/named.run > /dev/null && ret=1
+grep "another named process" ns2/named.run > /dev/null && ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verifying that named checks for conflicting named processes ($n)"
+ret=0
+testpid=$(run_named ns2 named$n.run -c named-alt2.conf -D runtime-ns2-extra-2 -X named.lock)
+test -n "$testpid" || ret=1
+retry_quiet 10 check_named_log "another named process" ns2/named$n.run || ret=1
+test -n "$testpid" && retry_quiet 10 check_pid $testpid || ret=1
+test -n "$testpid" && kill -15 $testpid > kill$n.out 2>&1 && ret=1
+test -n "$testpid" && retry_quiet 10 check_pid $testpid || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verifying that 'lock-file none' disables process check ($n)"
+ret=0
+testpid=$(run_named ns2 named$n.run -c named-alt3.conf -D runtime-ns2-extra-3)
+test -n "$testpid" || ret=1
+retry_quiet 60 check_named_log "running$" ns2/named$n.run || ret=1
+grep "another named process" ns2/named$n.run > /dev/null && ret=1
+kill_named ns2/named-alt3.pid || ret=1
+test -n "$testpid" && retry_quiet 10 check_pid $testpid || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that named refuses to reconfigure if working directory is not writable ($n)"
+ret=0
+copy_setports ns2/named-alt4.conf.in ns2/named.conf
+$RNDCCMD 10.53.0.2 reconfig > rndc.out.$n 2>&1 && ret=1
+grep "failed: permission denied" rndc.out.$n > /dev/null 2>&1 || ret=1
+sleep 1
+grep "[^-]directory './nope' is not writable" ns2/named.run > /dev/null 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that named refuses to reconfigure if managed-keys-directory is not writable ($n)"
+ret=0
+copy_setports ns2/named-alt5.conf.in ns2/named.conf
+$RNDCCMD 10.53.0.2 reconfig > rndc.out.$n 2>&1 && ret=1
+grep "failed: permission denied" rndc.out.$n > /dev/null 2>&1 || ret=1
+sleep 1
+grep "managed-keys-directory './nope' is not writable" ns2/named.run > /dev/null 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that named refuses to reconfigure if new-zones-directory is not writable ($n)"
+ret=0
+copy_setports ns2/named-alt6.conf.in ns2/named.conf
+$RNDCCMD 10.53.0.2 reconfig > rndc.out.$n 2>&1 && ret=1
+grep "failed: permission denied" rndc.out.$n > /dev/null 2>&1 || ret=1
+sleep 1
+grep "new-zones-directory './nope' is not writable" ns2/named.run > /dev/null 2>&1 || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that named recovers when configuration file is valid again ($n)"
+ret=0
+copy_setports ns2/named1.conf.in ns2/named.conf
+$RNDCCMD 10.53.0.2 reconfig > rndc.out.$n 2>&1 || ret=1
+[ -s ns2/named.pid ] || ret=1
+kill_named ns2/named.pid || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that named refuses to start if working directory is not writable ($n)"
+ret=0
+testpid=$(run_named ns2 named$n.run -c named-alt4.conf -D runtime-ns2-extra-4)
+test -n "$testpid" || ret=1
+retry_quiet 10 check_named_log "exiting (due to fatal error)" ns2/named$n.run || ret=1
+grep "[^-]directory './nope' is not writable" ns2/named$n.run > /dev/null 2>&1 || ret=1
+kill_named ns2/named.pid && ret=1
+test -n "$testpid" && retry_quiet 10 check_pid $testpid || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that named refuses to start if managed-keys-directory is not writable ($n)"
+ret=0
+testpid=$(run_named ns2 named$n.run -c named-alt5.conf -D runtime-ns2-extra-5)
+test -n "$testpid" || ret=1
+retry_quiet 10 check_named_log "exiting (due to fatal error)" ns2/named$n.run || ret=1
+grep "managed-keys-directory './nope' is not writable" ns2/named$n.run > /dev/null 2>&1 || ret=1
+kill_named named.pid && ret=1
+test -n "$testpid" && retry_quiet 10 check_pid $testpid || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that named refuses to start if new-zones-directory is not writable ($n)"
+ret=0
+testpid=$(run_named ns2 named$n.run -c named-alt6.conf -D runtime-ns2-extra-6)
+test -n "$testpid" || ret=1
+retry_quiet 10 check_named_log "exiting (due to fatal error)" ns2/named$n.run || ret=1
+grep "new-zones-directory './nope' is not writable" ns2/named$n.run > /dev/null 2>&1 || ret=1
+kill_named ns2/named.pid && ret=1
+test -n "$testpid" && retry_quiet 10 check_pid $testpid || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that named logs control characters in octal notation ($n)"
+ret=0
+INSTANCE_NAME="runtime-ns2-extra-7-$(cat ctrl-chars)"
+testpid=$(run_named ns2 named$n.run -c named-alt7.conf -D "${INSTANCE_NAME}")
+test -n "$testpid" || ret=1
+retry_quiet 60 check_named_log "running$" ns2/named$n.run || ret=1
+grep 'running as.*\\177\\033' ns2/named$n.run > /dev/null || ret=1
+kill_named ns2/named.pid || ret=1
+test -n "$testpid" && retry_quiet 10 check_pid $testpid || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that named escapes special characters in the logs ($n)"
+ret=0
+INSTANCE_NAME="runtime-ns2-extra-8-$;"
+testpid=$(run_named ns2 named$n.run -c named-alt7.conf -D "${INSTANCE_NAME}")
+test -n "$testpid" || ret=1
+retry_quiet 60 check_named_log "running$" ns2/named$n.run || ret=1
+grep 'running as.*\\$\\;' ns2/named$n.run > /dev/null || ret=1
+kill_named ns2/named.pid || ret=1
+test -n "$testpid" && retry_quiet 10 check_pid $testpid || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "checking that named logs an ellipsis when the command line is larger than 8k bytes ($n)"
+ret=0
+LONG_CMD_LINE=$(cat long-cmd-line)
+# shellcheck disable=SC2086
+testpid=$(run_named ns2 named$n.run $LONG_CMD_LINE -c "named-alt7.conf")
+test -n "$testpid" || ret=1
+retry_quiet 60 check_named_log "running$" ns2/named$n.run || ret=1
+grep "running as.*\.\.\.$" ns2/named$n.run > /dev/null || ret=1
+kill_named ns2/named.pid || ret=1
+test -n "$testpid" && retry_quiet 10 check_pid $testpid || ret=1
+if [ $ret -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verifying that named switches UID ($n)"
+if [ "$(id -u)" -eq 0 ]; then
+    ret=0
+    { TEMP_NAMED_DIR=$(mktemp -d "$(pwd)/ns2/tmp.XXXXXXXX"); rc=$?; } || true
+    if [ "$rc" -eq 0 ]; then
+	copy_setports ns2/named-alt9.conf.in "${TEMP_NAMED_DIR}/named-alt9.conf"
+	chown -R nobody: "${TEMP_NAMED_DIR}"
+	chmod 0700 "${TEMP_NAMED_DIR}"
+	testpid=$(run_named "${TEMP_NAMED_DIR}" "${TEMP_NAMED_DIR}/named$n.run" -u nobody -c named-alt9.conf)
+	test -n "$testpid" || ret=1
+	retry_quiet 60 check_named_log "running$" "${TEMP_NAMED_DIR}/named$n.run" || ret=1
+	[ -s "${TEMP_NAMED_DIR}/named9.pid" ] || ret=1
+	grep "loading configuration: permission denied" "${TEMP_NAMED_DIR}/named$n.run" > /dev/null && ret=1
+	kill_named "${TEMP_NAMED_DIR}/named9.pid" || ret=1
+	test -n "$testpid" || ret=1
+	test -n "$testpid" && retry_quiet 10 check_pid $testpid || ret=1
+    else
+	echo_i "mktemp failed"
+	ret=1
+    fi
+    if [ $ret -ne 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+else
+    echo_i "skipped, not running as root or running on Windows"
+fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/runtime/tests_sh_runtime.py b/bin/tests/system/runtime/tests_sh_runtime.py
new file mode 100644
index 0000000..089690e
--- /dev/null
+++ b/bin/tests/system/runtime/tests_sh_runtime.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_runtime(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/send.pl b/bin/tests/system/send.pl
new file mode 100644
index 0000000..62b4f7a
--- /dev/null
+++ b/bin/tests/system/send.pl
@@ -0,0 +1,33 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Send a file to a given address and port using TCP.  Used for
+# configuring the test server in ans.pl.
+#
+
+use IO::File;
+use IO::Socket;
+
+@ARGV == 2 or die "usage: send.pl host port [file ...]\n";
+
+my $host = shift @ARGV;
+my $port = shift @ARGV;
+
+my $sock = IO::Socket::INET->new(PeerAddr => $host, PeerPort => $port,
+				 Proto => "tcp",) or die "$!";
+while (<>) {
+	$sock->syswrite($_, length $_);
+}
+
+$sock->close;
diff --git a/bin/tests/system/serve-stale/ans2/ans.pl b/bin/tests/system/serve-stale/ans2/ans.pl
new file mode 100644
index 0000000..3fdc1fc
--- /dev/null
+++ b/bin/tests/system/serve-stale/ans2/ans.pl
@@ -0,0 +1,331 @@
+#!/usr/bin/env perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+use strict;
+use warnings;
+
+use IO::File;
+use IO::Socket;
+use Getopt::Long;
+use Net::DNS;
+use Time::HiRes qw(usleep nanosleep);
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+# If send_response is set, the server will respond, otherwise the query will
+# be dropped.
+my $send_response = 1;
+# If slow_response is set, a lookup for the CNAME target (target.example) is
+# delayed. Other lookups will not be delayed.
+my $slow_response = 0;
+
+my $localaddr = "10.53.0.2";
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $udpsock = IO::Socket::INET->new(LocalAddr => "$localaddr",
+   LocalPort => $localport, Proto => "udp", Reuse => 1) or die "$!";
+
+#
+# Delegation
+#
+my $SOA = "example 300 IN SOA . . 0 0 0 0 300";
+my $NS = "example 300 IN NS ns.example";
+my $A = "ns.example 300 IN A $localaddr";
+
+#
+# Slow delegation
+#
+my $slowSOA = "slow 300 IN SOA . . 0 0 0 0 300";
+my $slowNS = "slow 300 IN NS ns.slow";
+my $slowA = "ns.slow 300 IN A $localaddr";
+my $slowTXT = "data.slow 2 IN TXT \"A slow text record with a 2 second ttl\"";
+my $slownegSOA = "slow 2 IN SOA . . 0 0 0 0 300";
+
+#
+# Records to be TTL stretched
+#
+my $TXT = "data.example 2 IN TXT \"A text record with a 2 second ttl\"";
+my $LONGTXT = "longttl.example 600 IN TXT \"A text record with a 600 second ttl\"";
+my $CAA = "othertype.example 2 IN CAA 0 issue \"ca1.example.net\"";
+my $negSOA = "example 2 IN SOA . . 0 0 0 0 300";
+my $CNAME = "cname.example 7 IN CNAME target.example";
+my $TARGET = "target.example 9 IN A $localaddr";
+my $SHORTCNAME = "shortttl.cname.example 1 IN CNAME longttl.target.example";
+my $LONGTARGET = "longttl.target.example 600 IN A $localaddr";
+
+sub reply_handler {
+    my ($qname, $qclass, $qtype) = @_;
+    my ($rcode, @ans, @auth, @add);
+
+    print ("request: $qname/$qtype\n");
+    STDOUT->flush();
+
+    # Control whether we send a response or not.
+    # We always respond to control commands.
+    if ($qname eq "enable" ) {
+	if ($qtype eq "TXT") {
+	    $send_response = 1;
+            my $rr = new Net::DNS::RR("$qname 0 $qclass TXT \"$send_response\"");
+            push @ans, $rr;
+	}
+	$rcode = "NOERROR";
+        return ($rcode, \@ans, \@auth, \@add, { aa => 1 });
+    } elsif ($qname eq "disable" ) {
+	if ($qtype eq "TXT") {
+	    $send_response = 0;
+            my $rr = new Net::DNS::RR("$qname 0 $qclass TXT \"$send_response\"");
+            push @ans, $rr;
+	}
+	$rcode = "NOERROR";
+        return ($rcode, \@ans, \@auth, \@add, { aa => 1 });
+    } elsif ($qname eq "slowdown" ) {
+	if ($qtype eq "TXT") {
+	    $send_response = 1;
+	    $slow_response = 1;
+            my $rr = new Net::DNS::RR("$qname 0 $qclass TXT \"$send_response\"");
+            push @ans, $rr;
+	}
+	$rcode = "NOERROR";
+        return ($rcode, \@ans, \@auth, \@add, { aa => 1 });
+    }
+
+    # If we are not responding to queries we are done.
+    return if (!$send_response);
+
+    if (index($qname, "latency") == 0) {
+        # simulate network latency before answering
+        print "  Sleeping 50 milliseconds\n";
+        select(undef, undef, undef, 0.05);
+    }
+
+    # Construct the response and send it.
+    if ($qname eq "ns.example" ) {
+	if ($qtype eq "A") {
+	    my $rr = new Net::DNS::RR($A);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($SOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "example") {
+	if ($qtype eq "NS") {
+	    my $rr = new Net::DNS::RR($NS);
+	    push @auth, $rr;
+	    $rr = new Net::DNS::RR($A);
+	    push @add, $rr;
+	} elsif ($qtype eq "SOA") {
+	    my $rr = new Net::DNS::RR($SOA);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($SOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "nodata.example") {
+	my $rr = new Net::DNS::RR($negSOA);
+	push @auth, $rr;
+	$rcode = "NOERROR";
+    } elsif ($qname eq "data.example") {
+	if ($qtype eq "TXT") {
+	    my $rr = new Net::DNS::RR($TXT);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($negSOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "a-only.example") {
+	if ($qtype eq "A") {
+	    my $rr = new Net::DNS::RR("a-only.example 2 IN A $localaddr");
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($negSOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "cname.example") {
+	if ($qtype eq "A") {
+	    my $rr = new Net::DNS::RR($CNAME);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($negSOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "target.example") {
+	if ($slow_response) {
+                print "  Sleeping 3 seconds\n";
+		sleep(3);
+	}
+	if ($qtype eq "A") {
+	    my $rr = new Net::DNS::RR($TARGET);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($negSOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "shortttl.cname.example") {
+	if ($qtype eq "A") {
+	    my $rr = new Net::DNS::RR($SHORTCNAME);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($negSOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "longttl.target.example") {
+	if ($slow_response) {
+                print "  Sleeping 3 seconds\n";
+		sleep(3);
+	}
+	if ($qtype eq "A") {
+	    my $rr = new Net::DNS::RR($LONGTARGET);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($negSOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "longttl.example") {
+	if ($qtype eq "TXT") {
+	    my $rr = new Net::DNS::RR($LONGTXT);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($negSOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "nxdomain.example") {
+	my $rr = new Net::DNS::RR($negSOA);
+	push @auth, $rr;
+	$rcode = "NXDOMAIN";
+    } elsif ($qname eq "othertype.example") {
+	if ($qtype eq "CAA") {
+	    my $rr = new Net::DNS::RR($CAA);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($negSOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "ns.slow" ) {
+	if ($qtype eq "A") {
+	    my $rr = new Net::DNS::RR($slowA);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($slowSOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "slow") {
+	if ($qtype eq "NS") {
+	    my $rr = new Net::DNS::RR($slowNS);
+	    push @auth, $rr;
+	    $rr = new Net::DNS::RR($slowA);
+	    push @add, $rr;
+	} elsif ($qtype eq "SOA") {
+	    my $rr = new Net::DNS::RR($slowSOA);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($slowSOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } elsif ($qname eq "data.slow") {
+	if ($slow_response) {
+                print "  Sleeping 3 seconds\n";
+		sleep(3);
+		# only one time
+		$slow_response = 0;
+	}
+	if ($qtype eq "TXT") {
+	    my $rr = new Net::DNS::RR($slowTXT);
+	    push @ans, $rr;
+	} else {
+	    my $rr = new Net::DNS::RR($slownegSOA);
+	    push @auth, $rr;
+	}
+	$rcode = "NOERROR";
+    } else {
+        my $rr = new Net::DNS::RR($SOA);
+	push @auth, $rr;
+	$rcode = "NXDOMAIN";
+    }
+
+    # mark the answer as authoritative (by setting the 'aa' flag)
+    return ($rcode, \@ans, \@auth, \@add, { aa => 1 });
+}
+
+GetOptions(
+    'port=i' => \$localport,
+);
+
+my $rin;
+my $rout;
+
+for (;;) {
+	$rin = '';
+	vec($rin, fileno($udpsock), 1) = 1;
+
+	select($rout = $rin, undef, undef, undef);
+
+	if (vec($rout, fileno($udpsock), 1)) {
+		my ($buf, $request, $err);
+		$udpsock->recv($buf, 512);
+
+		if ($Net::DNS::VERSION > 0.68) {
+			$request = new Net::DNS::Packet(\$buf, 0);
+			$@ and die $@;
+		} else {
+			my $err;
+			($request, $err) = new Net::DNS::Packet(\$buf, 0);
+			$err and die $err;
+		}
+
+		my @questions = $request->question;
+		my $qname = $questions[0]->qname;
+		my $qclass = $questions[0]->qclass;
+		my $qtype = $questions[0]->qtype;
+		my $id = $request->header->id;
+
+		my ($rcode, $ans, $auth, $add, $headermask) = reply_handler($qname, $qclass, $qtype);
+
+		if (!defined($rcode)) {
+			print "  Silently ignoring query\n";
+			next;
+		}
+
+		my $reply = Net::DNS::Packet->new();
+		$reply->header->qr(1);
+		$reply->header->aa(1) if $headermask->{'aa'};
+		$reply->header->id($id);
+		$reply->header->rcode($rcode);
+		$reply->push("question",   @questions);
+		$reply->push("answer",     @$ans)  if $ans;
+		$reply->push("authority",  @$auth) if $auth;
+		$reply->push("additional", @$add)  if $add;
+
+		my $num_chars = $udpsock->send($reply->data);
+		print "  Sent $num_chars bytes via UDP\n";
+	}
+}
diff --git a/bin/tests/system/serve-stale/clean.sh b/bin/tests/system/serve-stale/clean.sh
new file mode 100644
index 0000000..b4a0d50
--- /dev/null
+++ b/bin/tests/system/serve-stale/clean.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out*
+rm -f ns*/named.conf
+rm -f ns*/root.bk
+rm -f rndc.out.test*
+rm -f */named.run */named.memstats
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named_dump*
+rm -f ns*/named.stats*
+rm -f ns*/named.run.prev
diff --git a/bin/tests/system/serve-stale/ns1/named1.conf.in b/bin/tests/system/serve-stale/ns1/named1.conf.in
new file mode 100644
index 0000000..d25611d
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns1/named1.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	max-stale-ttl 3600;
+	stale-answer-ttl 4;
+	stale-answer-enable yes;
+	stale-cache-enable yes;
+	stale-refresh-time 30;
+	servfail-ttl 0;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/serve-stale/ns1/named2.conf.in b/bin/tests/system/serve-stale/ns1/named2.conf.in
new file mode 100644
index 0000000..82e5e76
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns1/named2.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	max-stale-ttl 3600;
+	stale-answer-ttl 4;
+	stale-answer-enable yes;
+	stale-cache-enable yes;
+	stale-refresh-time 0;
+	servfail-ttl 0;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/serve-stale/ns1/named3.conf.in b/bin/tests/system/serve-stale/ns1/named3.conf.in
new file mode 100644
index 0000000..4f6f175
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns1/named3.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	max-stale-ttl 20;
+	stale-answer-ttl 3;
+	stale-answer-enable yes;
+	stale-cache-enable yes;
+	servfail-ttl 0;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/serve-stale/ns1/named4.conf.in b/bin/tests/system/serve-stale/ns1/named4.conf.in
new file mode 100644
index 0000000..f2cc2a8
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns1/named4.conf.in
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	max-stale-ttl 20;
+	stale-answer-ttl 3;
+	stale-answer-enable yes;
+	stale-cache-enable yes;
+	stale-refresh-time 0;
+	servfail-ttl 0;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "stale.test" {
+	type primary;
+	file "stale.test.db";
+};
diff --git a/bin/tests/system/serve-stale/ns1/root.db b/bin/tests/system/serve-stale/ns1/root.db
new file mode 100644
index 0000000..aef8e31
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns1/root.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.		300	SOA	. . 0 0 0 0 0
+.		300	NS	ns.nil.
+ns.nil.		300	A	10.53.0.1
+example.	300	NS	ns.example.
+ns.example.	300	A	10.53.0.2
+slow.		300	NS	ns.slow.
+ns.slow.	300	A	10.53.0.2
diff --git a/bin/tests/system/serve-stale/ns1/stale.test.db b/bin/tests/system/serve-stale/ns1/stale.test.db
new file mode 100644
index 0000000..d389e7c
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns1/stale.test.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN stale.test.
+stale.test.		300	SOA	. . 0 0 0 0 0
+stale.test.		300	NS	ns.stale.test.
+ns.stale.test.		300	A	10.53.0.1
+cname1.stale.test.	1	CNAME	a1.stale.test.
+a1.stale.test.		1	A	192.0.2.1
+cname2.stale.test.	1	CNAME	a2.stale.test.
+a2.stale.test.		300	A	192.0.2.2
diff --git a/bin/tests/system/serve-stale/ns3/named1.conf.in b/bin/tests/system/serve-stale/ns3/named1.conf.in
new file mode 100644
index 0000000..5c7dddd
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns3/named1.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dump-file "named_dump3.db";
+	stale-cache-enable yes;
+	dnssec-validation no;
+};
+
+zone "." {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "root.bk";
+};
diff --git a/bin/tests/system/serve-stale/ns3/named2.conf.in b/bin/tests/system/serve-stale/ns3/named2.conf.in
new file mode 100644
index 0000000..0a316d8
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns3/named2.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Test default stale-answer-client-timeout value
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion yes;
+	stale-answer-enable yes;
+	stale-cache-enable yes;
+	stale-answer-ttl 3;
+	stale-refresh-time 0;
+	stale-answer-client-timeout 1800; # 1.8 seconds
+	recursive-clients 10; # CVE-2022-3924
+	max-stale-ttl 3600;
+	resolver-query-timeout 30000; # 30 seconds
+	qname-minimization disabled;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
diff --git a/bin/tests/system/serve-stale/ns3/named3.conf.in b/bin/tests/system/serve-stale/ns3/named3.conf.in
new file mode 100644
index 0000000..cef5e52
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns3/named3.conf.in
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Test disable of stale-answer-client-timeout.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion yes;
+	stale-answer-enable yes;
+	stale-cache-enable yes;
+	stale-answer-ttl 3;
+	stale-refresh-time 0;
+	max-stale-ttl 3600;
+	resolver-query-timeout 10000; # 10 seconds
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
diff --git a/bin/tests/system/serve-stale/ns3/named4.conf.in b/bin/tests/system/serve-stale/ns3/named4.conf.in
new file mode 100644
index 0000000..abc1eb7
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns3/named4.conf.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Test stale-answer-client-timeout 0.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion yes;
+	stale-answer-enable yes;
+	stale-cache-enable yes;
+	stale-answer-ttl 3;
+	stale-answer-client-timeout 0;
+	stale-refresh-time 0;
+	resolver-query-timeout 10000; # 10 seconds
+	max-stale-ttl 3600;
+	recursive-clients 10;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
diff --git a/bin/tests/system/serve-stale/ns3/named5.conf.in b/bin/tests/system/serve-stale/ns3/named5.conf.in
new file mode 100644
index 0000000..b695901
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns3/named5.conf.in
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Test stale-answer-client-timeout 0.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion yes;
+	stale-answer-enable yes;
+	stale-cache-enable yes;
+	stale-answer-ttl 3;
+	stale-answer-client-timeout 0;
+	stale-refresh-time 4;
+	resolver-query-timeout 10000; # 10 seconds
+	max-stale-ttl 3600;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
diff --git a/bin/tests/system/serve-stale/ns3/named6.conf.in b/bin/tests/system/serve-stale/ns3/named6.conf.in
new file mode 100644
index 0000000..307c3bc
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns3/named6.conf.in
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion yes;
+	stale-answer-enable no;
+	stale-cache-enable yes;
+	stale-answer-ttl 3;
+	stale-refresh-time 4;
+	resolver-query-timeout 10000; # 10 seconds
+	fetches-per-zone 1 fail;
+	fetches-per-server 1 fail;
+	max-stale-ttl 3600;
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
diff --git a/bin/tests/system/serve-stale/ns3/named7.conf.in b/bin/tests/system/serve-stale/ns3/named7.conf.in
new file mode 100644
index 0000000..12d9ee3
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns3/named7.conf.in
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*
+ * Test serve-stale interaction with fetch-limits (dual-mode).
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion yes;
+	/*
+	 * stale-answer-enable is not strictly required because serving
+	 * stale answers is enabled in the test via rndc.
+	 */
+	stale-answer-enable yes;
+	stale-cache-enable yes;
+	stale-answer-ttl 3;
+	stale-refresh-time 4;
+	resolver-query-timeout 10000; # 10 seconds
+	fetches-per-zone 1 fail;
+	fetches-per-server 1 fail;
+	max-stale-ttl 3600;
+};
+
+zone "." {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "root.bk";
+};
diff --git a/bin/tests/system/serve-stale/ns3/named8.conf.in b/bin/tests/system/serve-stale/ns3/named8.conf.in
new file mode 100644
index 0000000..7b5792d
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns3/named8.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	stale-answer-enable yes;
+	stale-cache-enable yes;
+	stale-answer-client-timeout 1800;
+	prefetch 2 8;
+	dns64 2001:aaaa::/96 {
+		clients { any; };
+		mapped { any; };
+	};
+};
+
+zone "." {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "root.bk";
+};
diff --git a/bin/tests/system/serve-stale/ns3/root.db b/bin/tests/system/serve-stale/ns3/root.db
new file mode 100644
index 0000000..bbf039c
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns3/root.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.           300 NS  ns.nil.
+ns.nil.     300 A   10.53.0.1
diff --git a/bin/tests/system/serve-stale/ns4/named.conf.in b/bin/tests/system/serve-stale/ns4/named.conf.in
new file mode 100644
index 0000000..ac7dd99
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns4/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	dump-file "named_dump.db";
+	stale-answer-enable no;
+	stale-cache-enable yes;
+};
+
+zone "." {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "root.bk";
+};
diff --git a/bin/tests/system/serve-stale/ns5/named.conf.in b/bin/tests/system/serve-stale/ns5/named.conf.in
new file mode 100644
index 0000000..9874728
--- /dev/null
+++ b/bin/tests/system/serve-stale/ns5/named.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	dump-file "named_dump.db";
+	stale-answer-enable yes;
+	stale-cache-enable no;
+	max-cache-ttl 24h;
+};
+
+zone "." {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "root.bk";
+};
diff --git a/bin/tests/system/serve-stale/setup.sh b/bin/tests/system/serve-stale/setup.sh
new file mode 100644
index 0000000..0a0dc47
--- /dev/null
+++ b/bin/tests/system/serve-stale/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named1.conf.in ns1/named.conf
+copy_setports ns3/named1.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
diff --git a/bin/tests/system/serve-stale/tests.sh b/bin/tests/system/serve-stale/tests.sh
new file mode 100755
index 0000000..8c5ce84
--- /dev/null
+++ b/bin/tests/system/serve-stale/tests.sh
@@ -0,0 +1,2705 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+DIG="$DIG +time=12 +tries=1"
+
+max_stale_ttl=$(sed -ne 's,^[[:space:]]*max-stale-ttl \([[:digit:]]*\).*,\1,p' $TOP_SRCDIR/bin/named/config.c)
+stale_answer_ttl=$(sed -ne 's,^[[:space:]]*stale-answer-ttl \([[:digit:]]*\).*,\1,p' $TOP_SRCDIR/bin/named/config.c)
+
+status=0
+n=0
+
+#
+# First test server with serve-stale options set.
+#
+echo_i "test server with serve-stale options set"
+
+n=$((n+1))
+echo_i "prime cache longttl.example TXT ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 longttl.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache data.example TXT ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache othertype.example CAA ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nodata.example TXT ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 nodata.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nxdomain.example TXT ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 nxdomain.example TXT > dig.out.test$n
+grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verify prime cache statistics ($n)"
+ret=0
+rm -f ns1/named.stats
+$RNDCCMD 10.53.0.1 stats > /dev/null 2>&1
+[ -f ns1/named.stats ] || ret=1
+cp ns1/named.stats ns1/named.stats.$n
+# Check first 10 lines of Cache DB statistics.  After prime queries, we expect
+# two active TXT, one active Others, one nxrrset TXT, and one NXDOMAIN.
+grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1
+grep "1 Others" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "2 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 !TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 NXDOMAIN" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=4 max-stale-ttl=3600 stale-refresh-time=30)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+sleep 2
+
+# Run rndc dumpdb, test whether the stale data has correct comment printed.
+# The max-stale-ttl is 3600 seconds, so the comment should say the data is
+# stale for somewhere between 3500-3599 seconds.
+echo_i "check rndc dump stale data.example ($n)"
+rndc_dumpdb ns1 || ret=1
+awk '/; stale/ { x=$0; getline; print x, $0}' ns1/named_dump.db.test$n |
+    grep "; stale data\.example.*3[56]...*TXT.*A text record with a 2 second ttl" > /dev/null 2>&1 || ret=1
+# Also make sure the not expired data does not have a stale comment.
+awk '/; authanswer/ { x=$0; getline; print x, $0}' ns1/named_dump.db.test$n |
+    grep "; authanswer longttl\.example.*[56]...*TXT.*A text record with a 600 second ttl" > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "sending queries for tests $((n+1))-$((n+5))..."
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} @10.53.0.1 longttl.example TXT > dig.out.test$((n+2)) &
+$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$((n+3)) &
+$DIG -p ${PORT} @10.53.0.1 nodata.example TXT > dig.out.test$((n+4)) &
+$DIG -p ${PORT} @10.53.0.1 nxdomain.example TXT > dig.out.test$((n+5)) &
+
+wait
+
+n=$((n+1))
+echo_i "check stale data.example TXT ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*4.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check non-stale longttl.example TXT ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "longttl\.example\..*59[0-9].*IN.*TXT.*A text record with a 600 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale othertype.example CAA ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "othertype\.example\..*4.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nodata.example TXT ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "example\..*4.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nxdomain.example TXT ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verify stale cache statistics ($n)"
+ret=0
+rm -f ns1/named.stats
+$RNDCCMD 10.53.0.1 stats > /dev/null 2>&1
+[ -f ns1/named.stats ] || ret=1
+cp ns1/named.stats ns1/named.stats.$n
+# Check first 10 lines of Cache DB statistics.  After serve-stale queries, we
+# expect one active TXT RRset, one stale TXT, one stale nxrrset TXT, and one
+# stale NXDOMAIN.
+grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1
+grep "1 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #Others" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #!TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+status=$((status+ret))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+# Test stale-refresh-time when serve-stale is enabled via configuration.
+# Steps for testing stale-refresh-time option (default).
+# 1. Prime cache data.example txt
+# 2. Disable responses from authoritative server.
+# 3. Sleep for TTL duration so rrset TTL expires (2 sec)
+# 4. Query data.example
+# 5. Check if response come from stale rrset (4 sec TTL)
+# 6. Enable responses from authoritative server.
+# 7. Query data.example
+# 8. Check if response come from stale rrset, since the query
+#    is still within stale-refresh-time window.
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=4 max-stale-ttl=3600 stale-refresh-time=30)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 1-3 done above.
+
+# Step 4.
+n=$((n+1))
+echo_i "sending query for test ($n)"
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
+
+# Step 5.
+echo_i "check stale data.example TXT (stale-refresh-time) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (query within stale refresh time window)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*4.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 6.
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 7.
+echo_i "sending query for test $((n+1))"
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$((n+1))
+
+# Step 8.
+n=$((n+1))
+echo_i "check stale data.example TXT comes from cache (stale-refresh-time) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (query within stale refresh time window)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*4.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+#
+# Test disabling serve-stale via rndc.
+#
+
+n=$((n+1))
+echo_i "updating ns1/named.conf ($n)"
+ret=0
+copy_setports ns1/named2.conf.in ns1/named.conf
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "running 'rndc reload' ($n)"
+ret=0
+rndc_reload ns1 10.53.0.1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=4 max-stale-ttl=3600 stale-refresh-time=0)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "running 'rndc serve-stale off' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale off || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers disabled (stale-answer-ttl=4 max-stale-ttl=3600 stale-refresh-time=0)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "sending queries for tests $((n+1))-$((n+4))..."
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$((n+2)) &
+$DIG -p ${PORT} @10.53.0.1 nodata.example TXT > dig.out.test$((n+3)) &
+$DIG -p ${PORT} @10.53.0.1 nxdomain.example TXT > dig.out.test$((n+4)) &
+
+wait
+
+n=$((n+1))
+echo_i "check stale data.example TXT (serve-stale off) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale othertype.example CAA (serve-stale off) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nodata.example TXT (serve-stale off) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nxdomain.example TXT (serve-stale off) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+#
+# Test enabling serve-stale via rndc.
+#
+n=$((n+1))
+echo_i "running 'rndc serve-stale on' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale on || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=4 max-stale-ttl=3600 stale-refresh-time=0)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "sending queries for tests $((n+1))-$((n+4))..."
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$((n+2)) &
+$DIG -p ${PORT} @10.53.0.1 nodata.example TXT > dig.out.test$((n+3)) &
+$DIG -p ${PORT} @10.53.0.1 nxdomain.example TXT > dig.out.test$((n+4)) &
+
+wait
+
+n=$((n+1))
+echo_i "check stale data.example TXT (serve-stale on) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*4.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale othertype.example CAA (serve-stale on) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "othertype\.example\..*4.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nodata.example TXT (serve-stale on) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*4.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nxdomain.example TXT (serve-stale on) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "running 'rndc serve-stale off' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale off || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "running 'rndc serve-stale reset' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale reset || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=4 max-stale-ttl=3600 stale-refresh-time=0)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "sending queries for tests $((n+1))-$((n+4))..."
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$((n+2)) &
+$DIG -p ${PORT} @10.53.0.1 nodata.example TXT > dig.out.test$((n+3)) &
+$DIG -p ${PORT} @10.53.0.1 nxdomain.example TXT > dig.out.test$((n+4)) &
+
+wait
+
+n=$((n+1))
+echo_i "check stale data.example TXT (serve-stale reset) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*4.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale othertype.example CAA (serve-stale reset) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "othertype.example\..*4.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nodata.example TXT (serve-stale reset) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*4.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nxdomain.example TXT (serve-stale reset) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "running 'rndc serve-stale off' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale off || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers disabled (stale-answer-ttl=4 max-stale-ttl=3600 stale-refresh-time=0)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+#
+# Update named.conf.
+# Test server with low max-stale-ttl.
+#
+echo_i "test server with serve-stale options set, low max-stale-ttl"
+
+n=$((n+1))
+echo_i "updating ns1/named.conf ($n)"
+ret=0
+copy_setports ns1/named3.conf.in ns1/named.conf
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "running 'rndc reload' ($n)"
+ret=0
+rndc_reload ns1 10.53.0.1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers disabled (stale-answer-ttl=3 max-stale-ttl=20 stale-refresh-time=30)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "flush cache, re-enable serve-stale and query again ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 flushtree example > rndc.out.test$n.1 2>&1 || ret=1
+$RNDCCMD 10.53.0.1 serve-stale on > rndc.out.test$n.2 2>&1 || ret=1
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=3 max-stale-ttl=20 stale-refresh-time=30)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache longttl.example TXT (low max-stale-ttl) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 longttl.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache data.example TXT (low max-stale-ttl) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache othertype.example CAA (low max-stale-ttl) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nodata.example TXT (low max-stale-ttl) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 nodata.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nxdomain.example TXT (low max-stale-ttl) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 nxdomain.example TXT > dig.out.test$n
+grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Keep track of time so we can access these RRset later, when we expect them
+# to become ancient.
+t1=$($PERL -e 'print time()')
+
+n=$((n+1))
+echo_i "verify prime cache statistics (low max-stale-ttl) ($n)"
+ret=0
+rm -f ns1/named.stats
+$RNDCCMD 10.53.0.1 stats > /dev/null 2>&1
+[ -f ns1/named.stats ] || ret=1
+cp ns1/named.stats ns1/named.stats.$n
+# Check first 10 lines of Cache DB statistics.  After prime queries, we expect
+# two active TXT RRsets, one active Others, one nxrrset TXT, and one NXDOMAIN.
+grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1
+grep "2 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 Others" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 !TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 NXDOMAIN" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+status=$((status+ret))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+sleep 2
+
+echo_i "sending queries for tests $((n+1))-$((n+4))..."
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$((n+2)) &
+$DIG -p ${PORT} @10.53.0.1 nodata.example TXT > dig.out.test$((n+3)) &
+$DIG -p ${PORT} @10.53.0.1 nxdomain.example TXT > dig.out.test$((n+4)) &
+
+wait
+
+n=$((n+1))
+echo_i "check stale data.example TXT (low max-stale-ttl) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale othertype.example CAA (low max-stale-ttl) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "othertype\.example\..*3.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nodata.example TXT (low max-stale-ttl) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*3.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nxdomain.example TXT (low max-stale-ttl) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verify stale cache statistics (low max-stale-ttl) ($n)"
+ret=0
+rm -f ns1/named.stats
+$RNDCCMD 10.53.0.1 stats > /dev/null 2>&1
+[ -f ns1/named.stats ] || ret=1
+cp ns1/named.stats ns1/named.stats.$n
+# Check first 10 lines of Cache DB statistics.  After serve-stale queries, we
+# expect one active TXT RRset, one stale TXT, one stale nxrrset TXT, and one
+# stale NXDOMAIN.
+grep -A 10 "++ Cache DB RRsets ++" ns1/named.stats.$n > ns1/named.stats.$n.cachedb || ret=1
+grep "1 TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #Others" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #!TXT" ns1/named.stats.$n.cachedb > /dev/null || ret=1
+
+status=$((status+ret))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+# Retrieve max-stale-ttl value.
+interval_to_ancient=$(grep 'max-stale-ttl' ns1/named3.conf.in  | awk '{ print $2 }' | tr -d ';')
+# We add 2 seconds to it since this is the ttl value of the records being
+# tested.
+interval_to_ancient=$((interval_to_ancient + 2))
+t2=$($PERL -e 'print time()')
+elapsed=$((t2 - t1))
+
+# If elapsed time so far is less than max-stale-ttl + 2 seconds, then we sleep
+# enough to ensure that we'll ask for ancient RRsets in the next queries.
+if [ $elapsed -lt $interval_to_ancient ]; then
+    sleep $((interval_to_ancient - elapsed))
+fi
+
+echo_i "sending queries for tests $((n+1))-$((n+4))..."
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} @10.53.0.1 othertype.example CAA > dig.out.test$((n+2)) &
+$DIG -p ${PORT} @10.53.0.1 nodata.example TXT > dig.out.test$((n+3)) &
+$DIG -p ${PORT} @10.53.0.1 nxdomain.example TXT > dig.out.test$((n+4)) &
+
+wait
+
+n=$((n+1))
+echo_i "check ancient data.example TXT (low max-stale-ttl) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check ancient othertype.example CAA (low max-stale-ttl) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check ancient nodata.example TXT (low max-stale-ttl) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check ancient nxdomain.example TXT (low max-stale-ttl) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Test stale-refresh-time when serve-stale is enabled via rndc.
+# Steps for testing stale-refresh-time option (default).
+# 1. Prime cache data.example txt
+# 2. Disable responses from authoritative server.
+# 3. Sleep for TTL duration so rrset TTL expires (2 sec)
+# 4. Query data.example
+# 5. Check if response come from stale rrset (3 sec TTL)
+# 6. Enable responses from authoritative server.
+# 7. Query data.example
+# 8. Check if response come from stale rrset, since the query
+#    is within stale-refresh-time window.
+n=$((n+1))
+echo_i "flush cache, enable responses from authoritative server ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 flushtree example > rndc.out.test$n.1 2>&1 || ret=1
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=3 max-stale-ttl=20 stale-refresh-time=30)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 1.
+n=$((n+1))
+echo_i "prime cache data.example TXT (stale-refresh-time rndc) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 2.
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 3.
+sleep 2
+
+# Step 4.
+n=$((n+1))
+echo_i "sending query for test ($n)"
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
+
+# Step 5.
+echo_i "check stale data.example TXT (stale-refresh-time rndc) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 6.
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 7.
+echo_i "sending query for test $((n+1))"
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$((n+1))
+
+# Step 8.
+n=$((n+1))
+echo_i "check stale data.example TXT comes from cache (stale-refresh-time rndc) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (query within stale refresh time window)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Steps for testing stale-refresh-time option (disabled).
+# 1. Prime cache data.example txt
+# 2. Disable responses from authoritative server.
+# 3. Sleep for TTL duration so rrset TTL expires (2 sec)
+# 4. Query data.example
+# 5. Check if response come from stale rrset (3 sec TTL)
+# 6. Enable responses from authoritative server.
+# 7. Query data.example
+# 8. Check if response come from stale rrset, since the query
+#    is within stale-refresh-time window.
+n=$((n+1))
+echo_i "updating ns1/named.conf ($n)"
+ret=0
+copy_setports ns1/named4.conf.in ns1/named.conf
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "running 'rndc reload' ($n)"
+ret=0
+rndc_reload ns1 10.53.0.1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=3 max-stale-ttl=20 stale-refresh-time=0)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "flush cache, enable responses from authoritative server ($n)"
+ret=0
+$RNDCCMD 10.53.0.1 flushtree example > rndc.out.test$n.1 2>&1 || ret=1
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 1.
+n=$((n+1))
+echo_i "prime cache data.example TXT (stale-refresh-time disabled) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 2.
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 3.
+sleep 2
+
+# Step 4.
+n=$((n+1))
+echo_i "sending query for test ($n)"
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$n
+
+# Step 5.
+echo_i "check stale data.example TXT (stale-refresh-time disabled) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 6.
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Step 7.
+echo_i "sending query for test $((n+1))"
+$DIG -p ${PORT} @10.53.0.1 data.example TXT > dig.out.test$((n+1))
+
+# Step 8.
+n=$((n+1))
+echo_i "check data.example TXT comes from authoritative (stale-refresh-time disabled) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+#
+# Now test server with no serve-stale options set.
+#
+echo_i "test server with no serve-stale options set"
+
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache longttl.example TXT (max-stale-ttl default) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 longttl.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache data.example TXT (max-stale-ttl default) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache othertype.example CAA (max-stale-ttl default) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 othertype.example CAA > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "othertype\.example\..*2.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nodata.example TXT (max-stale-ttl default) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 nodata.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nxdomain.example TXT (max-stale-ttl default) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 nxdomain.example TXT > dig.out.test$n
+grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verify prime cache statistics (max-stale-ttl default) ($n)"
+ret=0
+rm -f ns3/named.stats
+$RNDCCMD 10.53.0.3 stats > /dev/null 2>&1
+[ -f ns3/named.stats ] || ret=1
+cp ns3/named.stats ns3/named.stats.$n
+# Check first 10 lines of Cache DB statistics.  After prime queries, we expect
+# two active TXT RRsets, one active Others, one nxrrset TXT, and one NXDOMAIN.
+grep -A 10 "++ Cache DB RRsets ++" ns3/named.stats.$n > ns3/named.stats.$n.cachedb || ret=1
+grep "2 TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 Others" ns3/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 !TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 NXDOMAIN" ns3/named.stats.$n.cachedb > /dev/null || ret=1
+status=$((status+ret))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep "_default: stale cache enabled; stale answers disabled (stale-answer-ttl=$stale_answer_ttl max-stale-ttl=$max_stale_ttl stale-refresh-time=30)" rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+sleep 2
+
+echo_i "sending queries for tests $((n+1))-$((n+4))..."
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} @10.53.0.3 othertype.example CAA > dig.out.test$((n+2)) &
+$DIG -p ${PORT} @10.53.0.3 nodata.example TXT > dig.out.test$((n+3)) &
+$DIG -p ${PORT} @10.53.0.3 nxdomain.example TXT > dig.out.test$((n+4)) &
+
+wait
+
+n=$((n+1))
+echo_i "check fail of data.example TXT (max-stale-ttl default) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check fail of othertype.example CAA (max-stale-ttl default) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check fail of nodata.example TXT (max-stale-ttl default) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check fail of nxdomain.example TXT (max-stale-ttl default) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verify stale cache statistics (max-stale-ttl default) ($n)"
+ret=0
+rm -f ns3/named.stats
+$RNDCCMD 10.53.0.3 stats > /dev/null 2>&1
+[ -f ns3/named.stats ] || ret=1
+cp ns3/named.stats ns3/named.stats.$n
+# Check first 10 lines of Cache DB statistics. After last queries, we expect
+# one active TXT RRset, one stale TXT, one stale nxrrset TXT, and one stale
+# NXDOMAIN.
+grep -A 10 "++ Cache DB RRsets ++" ns3/named.stats.$n > ns3/named.stats.$n.cachedb || ret=1
+grep "1 TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #Others" ns3/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #!TXT" ns3/named.stats.$n.cachedb > /dev/null || ret=1
+
+status=$((status+ret))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale on' ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 serve-stale on > rndc.out.test$n 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep "_default: stale cache enabled; stale answers enabled (stale-answer-ttl=$stale_answer_ttl max-stale-ttl=$max_stale_ttl stale-refresh-time=30)" rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+sleep 2
+
+# Check that if we don't have stale data for a domain name, we will
+# not answer anything until the resolver query timeout.
+n=$((n+1))
+echo_i "check notincache.example TXT times out (max-stale-ttl default) ($n)"
+ret=0
+$DIG -p ${PORT} +tries=1 +timeout=3  @10.53.0.3 notfound.example TXT > dig.out.test$n 2>&1 && ret=1
+grep "timed out" dig.out.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "sending queries for tests $((n+1))-$((n+4))..."
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} @10.53.0.3 othertype.example CAA > dig.out.test$((n+2)) &
+$DIG -p ${PORT} @10.53.0.3 nodata.example TXT > dig.out.test$((n+3)) &
+$DIG -p ${PORT} @10.53.0.3 nxdomain.example TXT > dig.out.test$((n+4)) &
+$DIG -p ${PORT} @10.53.0.3 notfound.example TXT > dig.out.test$((n+5)) &
+
+wait
+
+n=$((n+1))
+echo_i "check data.example TXT (max-stale-ttl default) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*30.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check othertype.example CAA (max-stale-ttl default) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "example\..*30.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check nodata.example TXT (max-stale-ttl default) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*30.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check nxdomain.example TXT (max-stale-ttl default) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# The notfound.example check is different than nxdomain.example because
+# we didn't send a prime query to add notfound.example to the cache.
+n=$((n+1))
+echo_i "check notfound.example TXT (max-stale-ttl default) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+#
+# Now test server with serve-stale answers disabled.
+#
+echo_i "test server with serve-stale disabled"
+
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache longttl.example TTL (serve-stale answers disabled) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.4 longttl.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache data.example TTL (serve-stale answers disabled) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.4 data.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache othertype.example CAA (serve-stale answers disabled) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.4 othertype.example CAA > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "othertype\.example\..*2.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nodata.example TXT (serve-stale answers disabled) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.4 nodata.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nxdomain.example TXT (serve-stale answers disabled) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.4 nxdomain.example TXT > dig.out.test$n
+grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verify prime cache statistics (serve-stale answers disabled) ($n)"
+ret=0
+rm -f ns4/named.stats
+$RNDCCMD 10.53.0.4 stats > /dev/null 2>&1
+[ -f ns4/named.stats ] || ret=1
+cp ns4/named.stats ns4/named.stats.$n
+# Check first 10 lines of Cache DB statistics.  After prime queries, we expect
+# two active TXT RRsets, one active Others, one nxrrset TXT, and one NXDOMAIN.
+grep -A 10 "++ Cache DB RRsets ++" ns4/named.stats.$n > ns4/named.stats.$n.cachedb || ret=1
+grep "2 TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 Others" ns4/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 !TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 NXDOMAIN" ns4/named.stats.$n.cachedb > /dev/null || ret=1
+status=$((status+ret))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.4 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep "_default: stale cache enabled; stale answers disabled (stale-answer-ttl=$stale_answer_ttl max-stale-ttl=$max_stale_ttl stale-refresh-time=30)" rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+sleep 2
+
+echo_i "sending queries for tests $((n+1))-$((n+4))..."
+$DIG -p ${PORT} @10.53.0.4 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} @10.53.0.4 othertype.example CAA > dig.out.test$((n+2)) &
+$DIG -p ${PORT} @10.53.0.4 nodata.example TXT > dig.out.test$((n+3)) &
+$DIG -p ${PORT} @10.53.0.4 nxdomain.example TXT > dig.out.test$((n+4)) &
+
+wait
+
+n=$((n+1))
+echo_i "check fail of data.example TXT (serve-stale answers disabled) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check fail of othertype.example TXT (serve-stale answers disabled) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check fail of nodata.example TXT (serve-stale answers disabled) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check fail of nxdomain.example TXT (serve-stale answers disabled) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verify stale cache statistics (serve-stale answers disabled) ($n)"
+ret=0
+rm -f ns4/named.stats
+$RNDCCMD 10.53.0.4 stats > /dev/null 2>&1
+[ -f ns4/named.stats ] || ret=1
+cp ns4/named.stats ns4/named.stats.$n
+# Check first 10 lines of Cache DB statistics. After last queries, we expect
+# one active TXT RRset, one stale TXT, one stale nxrrset TXT, and one stale
+# NXDOMAIN.
+grep -A 10 "++ Cache DB RRsets ++" ns4/named.stats.$n > ns4/named.stats.$n.cachedb || ret=1
+grep "1 TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #Others" ns4/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 #!TXT" ns4/named.stats.$n.cachedb > /dev/null || ret=1
+status=$((status+ret))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+# Dump the cache.
+n=$((n+1))
+echo_i "dump the cache (serve-stale answers disabled) ($n)"
+ret=0
+rndc_dumpdb ns4 -cache || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "stop ns4"
+stop_server --use-rndc --port ${CONTROLPORT} ns4
+
+# Load the cache as if it was five minutes (RBTDB_VIRTUAL) older. Since
+# max-stale-ttl defaults to a week, we need to adjust the date by one week and
+# five minutes.
+LASTWEEK=$(TZ=UTC perl -e 'my $now = time();
+        my $oneWeekAgo = $now - 604800;
+        my $fiveMinutesAgo = $oneWeekAgo - 300;
+        my ($s, $m, $h, $d, $mo, $y) = (localtime($fiveMinutesAgo))[0, 1, 2, 3, 4, 5];
+        printf("%04d%02d%02d%02d%02d%02d", $y+1900, $mo+1, $d, $h, $m, $s);')
+
+echo_i "mock the cache date to $LASTWEEK (serve-stale answers disabled) ($n)"
+ret=0
+sed -E "s/DATE [0-9]{14}/DATE $LASTWEEK/g" ns4/named_dump.db.test$n > ns4/named_dump.db.out || ret=1
+cp ns4/named_dump.db.out ns4/named_dump.db
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "start ns4"
+start_server --noclean --restart --port ${PORT} ns4
+
+n=$((n+1))
+echo_i "verify ancient cache statistics (serve-stale answers disabled) ($n)"
+ret=0
+rm -f ns4/named.stats
+$RNDCCMD 10.53.0.4 stats #> /dev/null 2>&1
+[ -f ns4/named.stats ] || ret=1
+cp ns4/named.stats ns4/named.stats.$n
+# Check first 10 lines of Cache DB statistics. After last queries, we expect
+# everything to be removed or scheduled to be removed.
+grep -A 10 "++ Cache DB RRsets ++" ns4/named.stats.$n > ns4/named.stats.$n.cachedb || ret=1
+grep "#TXT" ns4/named.stats.$n.cachedb > /dev/null && ret=1
+grep "#Others" ns4/named.stats.$n.cachedb > /dev/null && ret=1
+grep "#!TXT" ns4/named.stats.$n.cachedb > /dev/null && ret=1
+grep "#NXDOMAIN" ns4/named.stats.$n.cachedb > /dev/null && ret=1
+status=$((status+ret))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+#
+# Test the server with stale-cache disabled.
+#
+echo_i "test server with serve-stale cache disabled"
+
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache longttl.example TXT (serve-stale cache disabled) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.5 longttl.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache data.example TXT (serve-stale cache disabled) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.5 data.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache othertype.example CAA (serve-stale cache disabled) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.5 othertype.example CAA > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "othertype\.example\..*2.*IN.*CAA.*0.*issue" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nodata.example TXT (serve-stale cache disabled) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.5 nodata.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nxdomain.example TXT (serve-stale cache disabled) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.5 nxdomain.example TXT > dig.out.test$n
+grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*2.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verify prime cache statistics (serve-stale cache disabled) ($n)"
+ret=0
+rm -f ns5/named.stats
+$RNDCCMD 10.53.0.5 stats > /dev/null 2>&1
+[ -f ns5/named.stats ] || ret=1
+cp ns5/named.stats ns5/named.stats.$n
+# Check first 10 lines of Cache DB statistics.  After serve-stale queries,
+# we expect two active TXT RRsets, one active Others, one nxrrset TXT, and
+# one NXDOMAIN.
+grep -A 10 "++ Cache DB RRsets ++" ns5/named.stats.$n > ns5/named.stats.$n.cachedb || ret=1
+grep "2 TXT" ns5/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 Others" ns5/named.stats.$n.cachedb > /dev/null || ret=1
+grep "1 !TXT" ns5/named.stats.$n.cachedb > /dev/null || ret=1
+status=$((status+ret))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.5 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep "_default: stale cache disabled; stale answers unavailable" rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+sleep 2
+
+echo_i "sending queries for tests $((n+1))-$((n+4))..."
+$DIG -p ${PORT} @10.53.0.5 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} @10.53.0.5 othertype.example CAA > dig.out.test$((n+2)) &
+$DIG -p ${PORT} @10.53.0.5 nodata.example TXT > dig.out.test$((n+3)) &
+$DIG -p ${PORT} @10.53.0.5 nxdomain.example TXT > dig.out.test$((n+4)) &
+
+wait
+
+n=$((n+1))
+echo_i "check fail of data.example TXT (serve-stale cache disabled) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check fail of othertype.example CAA (serve-stale cache disabled) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check fail of nodata.example TXT (serve-stale cache disabled) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check fail of nxdomain.example TXT (serve-stale cache disabled) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "verify stale cache statistics (serve-stale cache disabled) ($n)"
+ret=0
+rm -f ns5/named.stats
+$RNDCCMD 10.53.0.5 stats > /dev/null 2>&1
+[ -f ns5/named.stats ] || ret=1
+cp ns5/named.stats ns5/named.stats.$n
+# Check first 10 lines of Cache DB statistics.  After serve-stale queries,
+# we expect one active TXT (longttl) and the rest to be expired from cache,
+# but since we keep everything for 5 minutes (RBTDB_VIRTUAL) in the cache
+# after expiry, they still show up in the stats.
+grep -A 10 "++ Cache DB RRsets ++" ns5/named.stats.$n > ns5/named.stats.$n.cachedb || ret=1
+grep -F "1 Others" ns5/named.stats.$n.cachedb > /dev/null || ret=1
+grep -F "2 TXT" ns5/named.stats.$n.cachedb > /dev/null || ret=1
+grep -F "1 !TXT" ns5/named.stats.$n.cachedb > /dev/null || ret=1
+status=$((status+ret))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+# Dump the cache.
+n=$((n+1))
+echo_i "dump the cache (serve-stale cache disabled) ($n)"
+ret=0
+rndc_dumpdb ns5 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+# Check that expired records are not dumped.
+ret=0
+grep "; expired since .* (awaiting cleanup)" ns5/named_dump.db.test$n && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Dump the cache including expired entries.
+n=$((n+1))
+echo_i "dump the cache including expired entries (serve-stale cache disabled) ($n)"
+ret=0
+rndc_dumpdb ns5 -expired || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Check that expired records are dumped.
+echo_i "check rndc dump expired data.example ($n)"
+ret=0
+awk '/; expired/ { x=$0; getline; print x, $0}' ns5/named_dump.db.test$n |
+    grep "; expired since .* (awaiting cleanup) data\.example\..*A text record with a 2 second ttl" > /dev/null 2>&1 || ret=1
+awk '/; expired/ { x=$0; getline; print x, $0}' ns5/named_dump.db.test$n |
+    grep "; expired since .* (awaiting cleanup) nodata\.example\." > /dev/null 2>&1 || ret=1
+awk '/; expired/ { x=$0; getline; print x, $0}' ns5/named_dump.db.test$n |
+    grep "; expired since .* (awaiting cleanup) nxdomain\.example\." > /dev/null 2>&1 || ret=1
+awk '/; expired/ { x=$0; getline; print x, $0}' ns5/named_dump.db.test$n |
+    grep "; expired since .* (awaiting cleanup) othertype\.example\." > /dev/null 2>&1 || ret=1
+# Also make sure the not expired data does not have an expired comment.
+awk '/; authanswer/ { x=$0; getline; print x, $0}' ns5/named_dump.db.test$n |
+    grep "; authanswer longttl\.example.*A text record with a 600 second ttl" > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "stop ns5"
+stop_server --use-rndc --port ${CONTROLPORT} ns5
+
+# Load the cache as if it was five minutes (RBTDB_VIRTUAL) older.
+cp ns5/named_dump.db.test$n ns5/named_dump.db
+FIVEMINUTESAGO=$(TZ=UTC perl -e 'my $now = time();
+        my $fiveMinutesAgo = 300;
+        my ($s, $m, $h, $d, $mo, $y) = (localtime($fiveMinutesAgo))[0, 1, 2, 3, 4, 5];
+        printf("%04d%02d%02d%02d%02d%02d", $y+1900, $mo+1, $d, $h, $m, $s);')
+
+n=$((n+1))
+echo_i "mock the cache date to $FIVEMINUTESAGO (serve-stale cache disabled) ($n)"
+ret=0
+sed -E "s/DATE [0-9]{14}/DATE $FIVEMINUTESAGO/g" ns5/named_dump.db > ns5/named_dump.db.out || ret=1
+cp ns5/named_dump.db.out ns5/named_dump.db
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "start ns5"
+start_server --noclean --restart --port ${PORT} ns5
+
+n=$((n+1))
+echo_i "verify ancient cache statistics (serve-stale cache disabled) ($n)"
+ret=0
+rm -f ns5/named.stats
+$RNDCCMD 10.53.0.5 stats #> /dev/null 2>&1
+[ -f ns5/named.stats ] || ret=1
+cp ns5/named.stats ns5/named.stats.$n
+# Check first 10 lines of Cache DB statistics. After last queries, we expect
+# everything to be removed or scheduled to be removed.
+grep -A 10 "++ Cache DB RRsets ++" ns5/named.stats.$n > ns5/named.stats.$n.cachedb || ret=1
+grep -F "#TXT" ns5/named.stats.$n.cachedb > /dev/null && ret=1
+grep -F "#Others" ns5/named.stats.$n.cachedb > /dev/null && ret=1
+grep -F "#!TXT" ns5/named.stats.$n.cachedb > /dev/null && ret=1
+status=$((status+ret))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+
+################################################
+# Test for stale-answer-client-timeout (1.8s). #
+################################################
+echo_i "test stale-answer-client-timeout (1.8)"
+
+n=$((n+1))
+echo_i "updating ns3/named.conf ($n)"
+ret=0
+copy_setports ns3/named2.conf.in ns3/named.conf
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "restart ns3"
+stop_server --use-rndc --port ${CONTROLPORT} ns3
+start_server --noclean --restart --port ${PORT} ns3
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=3 max-stale-ttl=3600 stale-refresh-time=0)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache data.example TXT (stale-answer-client-timeout) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nodata.example TXT (stale-answer-client-timeout) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 nodata.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "delay responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt slowdown  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache data.slow TXT (stale-answer-client-timeout) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 data.slow TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Allow RRset to become stale.
+sleep 2
+
+nextpart ns3/named.run > /dev/null
+
+echo_i "sending queries for tests $((n+1))-$((n+3))..."
+t1=$($PERL -e 'print time()')
+$DIG -p ${PORT} +tries=1 +timeout=11  @10.53.0.3 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} +tries=1 +timeout=11  @10.53.0.3 nodata.example TXT > dig.out.test$((n+2)) &
+$DIG -p ${PORT} +tries=1 +timeout=11  @10.53.0.3 data.slow TXT > dig.out.test$((n+3)) &
+wait
+t2=$($PERL -e 'print time()')
+
+# We configured a long value of 30 seconds for resolver-query-timeout.
+# That should give us enough time to receive an stale answer from cache
+# after stale-answer-client-timeout timer of 1.8 sec triggers.
+n=$((n+1))
+echo_i "check stale data.example TXT comes from cache (stale-answer-client-timeout 1.8) ($n)"
+ret=0
+wait_for_log 5 "data.example client timeout, stale answer used" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (client timeout)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+# Configured stale-answer-client-timeout is 1.8s, we allow some extra time
+# just in case other tests are taking too much cpu.
+[ $((t2 - t1)) -le 10 ] || { echo_i "query took $((t2 - t1))s to resolve.";  ret=1; }
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nodata.example TXT comes from cache (stale-answer-client-timeout 1.8) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (client timeout)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*3.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale data.slow TXT comes from cache (stale-answer-client-timeout 1.8) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (client timeout)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.slow\..*3.*IN.*TXT.*A slow text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Now query for RRset not in cache. The first query should time out, but once
+# we enable the authoritative server, the second query should be able to get a
+# response.
+
+nextpart ns3/named.run > /dev/null
+
+echo_i "sending queries for tests $((n+2))-$((n+4))..."
+# first dig runs in background for 10 seconds, second in background for 3
+# seconds and the last for 3 seconds in the foreground.
+# the second RRSIG lookup triggers the issue in [GL #3622]
+$DIG -p ${PORT} +tries=1 +timeout=10  @10.53.0.3 longttl.example TXT > dig.out.test$((n+3)) &
+$DIG -p ${PORT} +tries=1 +timeout=3   @10.53.0.3 longttl.example RRSIG > dig.out.test$((n+4)) &
+$DIG -p ${PORT} +tries=1 +timeout=3   @10.53.0.3 longttl.example TXT > dig.out.test$((n+2)) || true
+
+# Enable the authoritative name server after stale-answer-client-timeout.
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check not in cache longttl.example TXT times out (stale-answer-client-timeout 1.8) ($n)"
+ret=0
+wait_for_log 4 "longttl.example client timeout, stale answer unavailable" ns3/named.run || ret=1
+grep "timed out" dig.out.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+wait
+
+n=$((n+1))
+echo_i "check not in cache longttl.example TXT comes from authoritative (stale-answer-client-timeout 1.8) ($n)"
+ret=0
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check not in cache longttl.example RRSIG times out (stale-answer-client-timeout 1.8) ($n)"
+ret=0
+grep "timed out" dig.out.test$n > /dev/null || ret=1
+grep ";; no servers could be reached" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# CVE-2022-3924, GL #3619
+n=$((n+1))
+echo_i "check that named survives reaching recursive-clients quota (stale-answer-client-timeout 1.8) ($n)"
+ret=0
+num=0
+# Make sure to exceed the configured value of 'recursive-clients 10;' by running
+# 20 parallel queries with simulated network latency.
+while [ $num -lt 20 ]; do
+    $DIG +tries=1 -p ${PORT} @10.53.0.3 "latency${num}.data.example" TXT >/dev/null 2>&1 &
+    num=$((num+1))
+done;
+check_server_responds() {
+    $DIG -p ${PORT} @10.53.0.3 version.bind txt ch >dig.out.test$n || return 1
+    grep "status: NOERROR" dig.out.test$n > /dev/null || return 1
+}
+retry_quiet 5 check_server_responds || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+#############################################
+# Test for stale-answer-client-timeout off. #
+#############################################
+echo_i "test stale-answer-client-timeout (off)"
+
+n=$((n+1))
+echo_i "updating ns3/named.conf ($n)"
+ret=0
+copy_setports ns3/named3.conf.in ns3/named.conf
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "running 'rndc reload' ($n)"
+ret=0
+rndc_reload ns3 10.53.0.3
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Send a query, auth server is disabled, we will enable it after a while in
+# order to receive an answer before resolver-query-timeout expires. Since
+# stale-answer-client-timeout is disabled we must receive an answer from
+# authoritative server.
+echo_i "sending query for test $((n+2))"
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$((n+2)) &
+sleep 3
+
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Wait until dig is done.
+wait
+
+n=$((n+1))
+echo_i "check data.example TXT comes from authoritative server (stale-answer-client-timeout off) ($n)"
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*[12].*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+##############################################################
+# Test for stale-answer-client-timeout off and CNAME record. #
+##############################################################
+echo_i "test stale-answer-client-timeout (0) and CNAME record"
+
+n=$((n+1))
+echo_i "prime cache shortttl.cname.example (stale-answer-client-timeout off) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 shortttl.cname.example A > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "shortttl\.cname\.example\..*1.*IN.*CNAME.*longttl\.target\.example\." dig.out.test$n > /dev/null || ret=1
+grep "longttl\.target\.example\..*600.*IN.*A.*10\.53\.0\.2" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Allow RRset to become stale.
+sleep 1
+
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "check stale shortttl.cname.example comes from cache (stale-answer-client-timeout off) ($n)"
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 shortttl.cname.example A > dig.out.test$n
+wait_for_log 5 "shortttl.cname.example resolver failure, stale answer used" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "shortttl\.cname\.example\..*3.*IN.*CNAME.*longttl\.target\.example\." dig.out.test$n > /dev/null || ret=1
+# We can't reliably test the TTL of the longttl.target.example A record.
+grep "longttl\.target\.example\..*IN.*A.*10\.53\.0\.2" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check server is alive or restart ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 status > rndc.out.test$n 2>&1 || ret=1
+if [ $ret != 0 ]; then
+    echo_i "failed"
+    echo_i "restart ns3"
+    start_server --noclean --restart --port ${PORT} serve-stale ns3
+fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check server is alive or restart ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 status > rndc.out.test$n 2>&1 || ret=1
+if [ $ret != 0 ]; then
+    echo_i "failed"
+    echo_i "restart ns3"
+    start_server --noclean --restart --port ${PORT} serve-stale ns3
+fi
+status=$((status+ret))
+
+#############################################
+# Test for stale-answer-client-timeout 0.   #
+#############################################
+echo_i "test stale-answer-client-timeout (0)"
+
+n=$((n+1))
+echo_i "updating ns3/named.conf ($n)"
+ret=0
+copy_setports ns3/named4.conf.in ns3/named.conf
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "restart ns3"
+stop_server --use-rndc --port ${CONTROLPORT} ns3
+start_server --noclean --restart --port ${PORT} ns3
+
+n=$((n+1))
+echo_i "prime cache data.example TXT (stale-answer-client-timeout 0)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache nodata.example TXT (stale-answer-client-timeout 0)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 nodata.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Allow RRset to become stale.
+sleep 2
+
+n=$((n+1))
+ret=0
+echo_i "check stale nodata.example TXT comes from cache (stale-answer-client-timeout 0) ($n)"
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 nodata.example TXT > dig.out.test$n
+wait_for_log 5 "nodata.example stale answer used, an attempt to refresh the RRset" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (stale data prioritized over lookup)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.test$n > /dev/null || ret=1
+grep "example\..*3.*IN.*SOA" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "check stale data.example TXT comes from cache (stale-answer-client-timeout 0) ($n)"
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+wait_for_log 5 "data.example stale answer used, an attempt to refresh the RRset" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (stale data prioritized over lookup)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+wait_for_rrset_refresh() {
+	$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+	grep "status: NOERROR" dig.out.test$n > /dev/null || return 1
+	grep "EDE" dig.out.test$n > /dev/null && return 1
+	grep "ANSWER: 1," dig.out.test$n > /dev/null || return 1
+	grep "data\.example\..*[12].*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || return 1
+}
+
+# This test ensures that after we get stale data due to
+# stale-answer-client-timeout 0, enabling the authoritative server will allow
+# the RRset to be updated.
+n=$((n+1))
+ret=0
+echo_i "check stale data.example TXT was refreshed (stale-answer-client-timeout 0) ($n)"
+retry_quiet 10 wait_for_rrset_refresh || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+wait_for_nodata_refresh() {
+	$DIG -p ${PORT} @10.53.0.3 nodata.example TXT > dig.out.test$n
+	grep "status: NOERROR" dig.out.test$n > /dev/null || return 1
+	grep "ANSWER: 0," dig.out.test$n > /dev/null || return 1
+	grep "example\..*[12].*IN.*SOA" dig.out.test$n > /dev/null || return 1
+	return 0
+}
+
+n=$((n+1))
+ret=0
+echo_i "check stale nodata.example TXT was refreshed (stale-answer-client-timeout 0) ($n)"
+retry_quiet 10 wait_for_nodata_refresh || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+####################################################################
+# Test for stale-answer-client-timeout 0 and recursive-clients 10. #
+# CVE-2023-2911, GL #4089                                          #
+# ##################################################################
+echo_i "test stale-answer-client-timeout (0) and recursive-clients 10"
+
+n=$((n+1))
+echo_i "prime cache data.slow TXT (stale-answer-client-timeout 0) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 data.slow TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Run the following check twice. Sometimes a priming query interrupts the first
+# attempt to exceed the quota.
+attempt=0
+while [ $ret -eq 0 ] && [ $attempt -lt 2 ]; do
+        n=$((n+1))
+        echo_i "slow down response from authoritative server ($n)"
+        ret=0
+        $DIG -p ${PORT} @10.53.0.2 slowdown TXT  > dig.out.test$n
+        grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+        grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+        if [ $ret != 0 ]; then echo_i "failed"; fi
+        status=$((status+ret))
+
+        # Let the data.slow TTL expire
+        sleep 2
+
+        n=$((n+1))
+        echo_i "check that named survives reaching recursive-clients quota (stale-answer-client-timeout 0) ($n)"
+        ret=0
+        num=0
+        # Attempt to exceed the configured value of 'recursive-clients 10;' by running
+        # 20 parallel queries for the stale domain which has slow auth.
+        while [ $num -lt 20 ]; do
+            $DIG +tries=1 +timeout=10 -p ${PORT} @10.53.0.3 data.slow TXT >/dev/null 2>&1 &
+            num=$((num+1))
+        done;
+        # Let the dig processes finish.
+        wait
+        retry_quiet 5 check_server_responds || ret=1
+        if [ $ret != 0 ]; then echo_i "failed"; fi
+        status=$((status+ret))
+
+        attempt=$((attempt+1))
+done
+
+# Restart ns3 to avoid the exceeded recursive-clients limit from previous check
+# to interfere with subsequent checks.
+echo_i "restart ns3"
+stop_server --use-rndc --port ${CONTROLPORT} ns3
+start_server --noclean --restart --port ${PORT} ns3
+
+############################################################
+# Test for stale-answer-client-timeout 0 and CNAME record. #
+############################################################
+echo_i "test stale-answer-client-timeout (0) and CNAME record"
+
+n=$((n+1))
+echo_i "prime cache cname1.stale.test A (stale-answer-client-timeout 0) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 cname1.stale.test A > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "cname1\.stale\.test\..*1.*IN.*CNAME.*a1\.stale\.test\." dig.out.test$n > /dev/null || ret=1
+grep "a1\.stale\.test\..*1.*IN.*A.*192\.0\.2\.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Allow RRset to become stale.
+sleep 1
+
+n=$((n+1))
+ret=0
+echo_i "check stale cname1.stale.test A comes from cache (stale-answer-client-timeout 0) ($n)"
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 cname1.stale.test A > dig.out.test$n
+wait_for_log 5 "cname1.stale.test stale answer used, an attempt to refresh the RRset" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (stale data prioritized over lookup)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "cname1\.stale\.test\..*3.*IN.*CNAME.*a1\.stale\.test\." dig.out.test$n > /dev/null || ret=1
+grep "a1\.stale\.test\..*3.*IN.*A.*192\.0\.2\.1" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check server is alive or restart ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 status > rndc.out.test$n 2>&1 || ret=1
+if [ $ret != 0 ]; then
+    echo_i "failed"
+    echo_i "restart ns3"
+    start_server --noclean --restart --port ${PORT} ns3
+fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache cname2.stale.test A (stale-answer-client-timeout 0) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 cname2.stale.test A > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "cname2\.stale\.test\..*1.*IN.*CNAME.*a2\.stale\.test\." dig.out.test$n > /dev/null || ret=1
+grep "a2\.stale\.test\..*300.*IN.*A.*192\.0\.2\.2" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Allow CNAME record in the RRSET to become stale.
+sleep 1
+
+n=$((n+1))
+ret=0
+echo_i "check stale cname2.stale.test A comes from cache (stale-answer-client-timeout 0) ($n)"
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 cname2.stale.test A > dig.out.test$n
+wait_for_log 5 "cname2.stale.test stale answer used, an attempt to refresh the RRset" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (stale data prioritized over lookup)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "cname2\.stale\.test\..*3.*IN.*CNAME.*a2\.stale\.test\." dig.out.test$n > /dev/null || ret=1
+# We can't reliably test the TTL of the a2.stale.test A record.
+grep "a2\.stale\.test\..*IN.*A.*192\.0\.2\.2" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check server is alive or restart ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 status > rndc.out.test$n 2>&1 || ret=1
+if [ $ret != 0 ]; then
+    echo_i "failed"
+    echo_i "restart ns3"
+    start_server --noclean --restart --port ${PORT} ns3
+fi
+status=$((status+ret))
+
+####################################################################
+# Test for stale-answer-client-timeout 0 and stale-refresh-time 4. #
+####################################################################
+echo_i "test stale-answer-client-timeout (0) and stale-refresh-time (4)"
+
+n=$((n+1))
+echo_i "updating ns3/named.conf ($n)"
+ret=0
+copy_setports ns3/named5.conf.in ns3/named.conf
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "running 'rndc reload' ($n)"
+ret=0
+rndc_reload ns3 10.53.0.3
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "flush cache, enable responses from authoritative server ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 flushtree example > rndc.out.test$n.1 2>&1 || ret=1
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "prime cache data.example TXT (stale-answer-client-timeout 0, stale-refresh-time 4) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*2.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Allow RRset to become stale.
+sleep 2
+
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "check stale data.example TXT comes from cache (stale-answer-client-timeout 0 stale-refresh-time 4) ($n)"
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+wait_for_log 5 "data.example stale answer used, an attempt to refresh the RRset" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (stale data prioritized over lookup)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# This test ensures that after we get stale data due to
+# stale-answer-client-timeout 0, enabling the authoritative server will allow
+# the RRset to be updated.
+n=$((n+1))
+ret=0
+echo_i "check stale data.example TXT was refreshed (stale-answer-client-timeout 0 stale-refresh-time 4) ($n)"
+retry_quiet 10 wait_for_rrset_refresh || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Allow RRset to become stale.
+sleep 2
+
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "check stale data.example TXT comes from cache (stale-answer-client-timeout 0 stale-refresh-time 4) ($n)"
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+wait_for_log 5 "data.example stale answer used, an attempt to refresh the RRset" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (stale data prioritized over lookup)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Allow stale-refresh-time to be activated.
+n=$((n+1))
+ret=0
+echo_i "wait until resolver query times out, activating stale-refresh-time"
+wait_for_log 15 "data.example resolver failure, stale answer used" ns3/named.run || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "check stale data.example TXT comes from cache within stale-refresh-time (stale-answer-client-timeout 0 stale-refresh-time 4) ($n)"
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+wait_for_log 5 "data.example query within stale refresh time" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (query within stale refresh time window)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "enable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt enable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# We give BIND some time to ensure that after we enable authoritative server,
+# this RRset is still not refreshed because it was hit during
+# stale-refresh-time window.
+sleep 1
+
+n=$((n+1))
+ret=0
+echo_i "check stale data.example TXT was not refreshed (stale-answer-client-timeout 0 stale-refresh-time 4) ($n)"
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+wait_for_log 5 "data.example query within stale refresh time" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (query within stale refresh time window)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# After the refresh-time-window, the RRset will be refreshed.
+sleep 4
+
+n=$((n+1))
+ret=0
+echo_i "check stale data.example TXT comes from cache (stale-answer-client-timeout 0 stale-refresh-time 4) ($n)"
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+wait_for_log 5 "data.example stale answer used, an attempt to refresh the RRset" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (stale data prioritized over lookup)" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+ret=0
+echo_i "check stale data.example TXT was refreshed (stale-answer-client-timeout 0 stale-refresh-time 4) ($n)"
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE" dig.out.test$n > /dev/null && ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*[12].*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+####################################################################
+# Test serve-stale's interaction with fetch limits (cache only) #
+#################################################################
+echo_i "test serve-stale's interaction with fetch-limits (cache only)"
+
+# We update the named configuration to enable fetch-limits. The fetch-limits
+# are set to 1, which is ridiciously low, but that is because for this test we
+# want to reach the fetch-limits.
+n=$((n+1))
+echo_i "updating ns3/named.conf ($n)"
+ret=0
+copy_setports ns3/named6.conf.in ns3/named.conf
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "running 'rndc reload' ($n)"
+ret=0
+rndc_reload ns3 10.53.0.3
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Disable responses from authoritative server. If we can't resolve the example
+# zone, fetch limits will be reached.
+n=$((n+1))
+echo_i "disable responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt disable  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"0\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Allow RRset to become stale.
+sleep 2
+
+# Turn on serve-stale.
+n=$((n+1))
+echo_i "running 'rndc serve-stale on' ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 serve-stale on || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=3 max-stale-ttl=3600 stale-refresh-time=4)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Hit the fetch-limits. We burst the name server with a small batch of queries.
+# Only 2 queries are required to hit the fetch-limits. The first query will
+# start to resolve, the second one hit the fetch-limits.
+burst() {
+	num=${1}
+	rm -f burst.input.$$
+	while [ $num -gt 0 ]; do
+		num=$((num - 1))
+		echo "fetch${num}.example A" >> burst.input.$$
+	done
+	$PERL ../ditch.pl -p ${PORT} -s 10.53.0.3 burst.input.$$
+	rm -f burst.input.$$
+}
+
+wait_for_fetchlimits() {
+	burst 2
+	# We expect a query for nx.example to fail because fetch-limits for
+	# the domain 'example.' (and everything below) has been reached.
+	$DIG -p ${PORT} +tries=1 +timeout=1 @10.53.0.3 nx.example > dig.out.test$n
+	grep "status: SERVFAIL" dig.out.test$n > /dev/null || return 1
+}
+
+n=$((n+1))
+echo_i "hit fetch limits ($n)"
+ret=0
+retry_quiet 10 wait_for_fetchlimits || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Expect stale data now (because fetch-limits for the domain 'example.' (and
+# everything below) has been reached. But we have a stale RRset for
+# 'data.example/TXT' that can be used.
+n=$((n+1))
+ret=0
+echo_i "check stale data.example TXT comes from cache (fetch-limits) ($n)"
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+wait_for_log 5 "data.example resolver failure, stale answer used" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# The previous query should not have started the stale-refresh-time window.
+n=$((n+1))
+ret=0
+echo_i "check stale data.example TXT comes from cache again (fetch-limits) ($n)"
+nextpart ns3/named.run > /dev/null
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$n
+wait_for_log 5 "data.example resolver failure, stale answer used" ns3/named.run || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "EDE: 3 (Stale Answer): (resolver failure" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "data\.example\..*3.*IN.*TXT.*A text record with a 2 second ttl" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+########################################################################
+# Test serve-stale's interaction with fetch limits (dual-mode) #
+########################################################################
+echo_i "test serve-stale's interaction with fetch limits (dual-mode)"
+
+# Update named configuration so that ns3 becomes a recursive resolver which is
+# also a secondary server for the root zone.
+n=$((n+1))
+echo_i "updating ns3/named.conf ($n)"
+ret=0
+copy_setports ns3/named7.conf.in ns3/named.conf
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "running 'rndc reload' ($n)"
+ret=0
+rndc_reload ns3 10.53.0.3
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check 'rndc serve-stale status' ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=3 max-stale-ttl=3600 stale-refresh-time=4)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Flush the cache to ensure the example/NS RRset cached during previous tests
+# does not override the authoritative delegation found in the root zone.
+n=$((n+1))
+echo_i "flush cache ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 flush > rndc.out.test$n 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Test that after flush, serve-stale configuration is not reset.
+n=$((n+1))
+echo_i "check serve-stale configuration is not reset after flush ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 serve-stale status > rndc.out.test$n 2>&1 || ret=1
+grep '_default: stale cache enabled; stale answers enabled (stale-answer-ttl=3 max-stale-ttl=3600 stale-refresh-time=4)' rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# Query name server with low fetch limits. The authoritative server (ans2) is
+# not responding. Sending queries for multiple names in the 'example' zone
+# in parallel causes the fetch limit for that zone (set to 1) to be
+# reached. This should not trigger a crash.
+echo_i "sending queries for tests $((n+1))-$((n+4))..."
+$DIG -p ${PORT} @10.53.0.3 data.example TXT > dig.out.test$((n+1)) &
+$DIG -p ${PORT} @10.53.0.3 othertype.example CAA > dig.out.test$((n+2)) &
+$DIG -p ${PORT} @10.53.0.3 nodata.example TXT > dig.out.test$((n+3)) &
+$DIG -p ${PORT} @10.53.0.3 nxdomain.example TXT > dig.out.test$((n+4)) &
+
+wait
+
+# Expect SERVFAIL for the entries not in cache.
+n=$((n+1))
+echo_i "check stale data.example TXT (fetch-limits dual-mode) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale othertype.example CAA (fetch-limits dual-mode) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nodata.example TXT (fetch-limits dual-mode) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check stale nxdomain.example TXT (fetch-limits dual-mode) ($n)"
+ret=0
+grep "status: SERVFAIL" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check DNS64 processing of a stale negative answer ($n)"
+ret=0
+# configure ns3 with dns64
+copy_setports ns3/named8.conf.in ns3/named.conf
+rndc_reload ns3 10.53.0.3
+# flush cache, enable ans2 responses, make sure serve-stale is on
+$RNDCCMD 10.53.0.3 flush > rndc.out.test$n.1 2>&1 || ret=1
+$DIG -p ${PORT} @10.53.0.2 txt enable > /dev/null
+$RNDCCMD 10.53.0.3 serve-stale on > rndc.out.test$n.2 2>&1 || ret=1
+# prime the cache with an AAAA NXRRSET response
+$DIG -p ${PORT} @10.53.0.3 a-only.example AAAA > dig.out.1.test$n
+grep "status: NOERROR" dig.out.1.test$n > /dev/null || ret=1
+grep "2001:aaaa" dig.out.1.test$n > /dev/null || ret=1
+# disable responses from the auth server
+$DIG -p ${PORT} @10.53.0.2 txt disable > /dev/null
+# wait two seconds for the previous answer to become stale
+sleep 2
+# resend the query and wait in the background; we should get a stale answer
+$DIG -p ${PORT} @10.53.0.3 a-only.example AAAA > dig.out.2.test$n &
+# re-enable queries after a pause, so the server gets a real answer too
+sleep 2
+$DIG -p ${PORT} @10.53.0.2 txt enable > /dev/null
+wait
+grep "status: NOERROR" dig.out.2.test$n > /dev/null || ret=1
+grep "2001:aaaa" dig.out.2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+###########################################################
+# Test serve-stale's interaction with prefetch processing #
+###########################################################
+echo_i "test serve-stale's interaction with prefetch processing"
+
+# Test case for #2733, ensuring that prefetch queries do not trigger
+# a lookup due to stale-answer-client-timeout.
+#
+# 1. Cache the following records:
+#    cname.example 7 IN CNAME target.example.
+#    target.example 9 IN A <addr>.
+# 2. Let the CNAME RRset expire.
+# 3. Query for 'cname.example/A'.
+#
+# This starts recursion because cname.example/CNAME is expired.
+# The authoritative server is up so likely it will respond before
+#  stale-answer-client-timeout is triggered.
+# The 'target.example/A' RRset is found in cache with a positive value
+#  and is eligble for prefetching.
+# A prefetch is done for 'target.example/A', our ans2 server will
+#  delay the request.
+# The 'prefetch_done()' callback should have the right event type
+#  (DNS_EVENT_FETCHDONE).
+
+# flush cache
+n=$((n+1))
+echo_i "flush cache ($n)"
+ret=0
+$RNDCCMD 10.53.0.3 flushtree example > rndc.out.test$n.1 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# prime the cache with CNAME and A; CNAME expires sooner
+n=$((n+1))
+echo_i "prime cache cname.example A (stale-answer-client-timeout 1.8) ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 cname.example A > dig.out.test$n
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "cname\.example\..*7.*IN.*CNAME.*target\.example\." dig.out.test$n > /dev/null || ret=1
+grep "target\.example\..*9.*IN.*A" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# wait for the CNAME to be stale; A will still be valid and in prefetch window.
+# (the longer TTL is needed, otherwise data won't be prefetch-eligible.)
+sleep 7
+
+# re-enable auth responses, but with a delay answering the A
+n=$((n+1))
+echo_i "delay responses from authoritative server ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.2 txt slowdown  > dig.out.test$n
+grep "ANSWER: 1," dig.out.test$n > /dev/null || ret=1
+grep "TXT.\"1\"" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+# resend the query and wait in the background; we should get a stale answer
+n=$((n+1))
+echo_i "check prefetch processing of a stale CNAME target ($n)"
+ret=0
+$DIG -p ${PORT} @10.53.0.3 cname.example A > dig.out.test$n &
+sleep 2
+wait
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+grep "ANSWER: 2," dig.out.test$n > /dev/null || ret=1
+grep "cname\.example\..*7.*IN.*CNAME.*target\.example\." dig.out.test$n > /dev/null || ret=1
+grep "target\.example\..*[1-2].*IN.*A" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/serve-stale/tests_sh_serve_stale.py b/bin/tests/system/serve-stale/tests_sh_serve_stale.py
new file mode 100644
index 0000000..3e6d3a1
--- /dev/null
+++ b/bin/tests/system/serve-stale/tests_sh_serve_stale.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_serve_stale(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/setup.sh b/bin/tests/system/setup.sh
new file mode 100644
index 0000000..23145fa
--- /dev/null
+++ b/bin/tests/system/setup.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Run a system test.
+#
+
+. ./conf.sh
+
+test $# -gt 0 || { echo "usage: $0 test-directory" >&2; exit 1; }
+
+test=$1
+shift
+
+test -d $test || { echo "$0: $test: no such test" >&2; exit 1; }
+
+# Set up any dynamically generated test data
+if test -f $test/setup.sh
+then
+   ( cd $test && $SHELL setup.sh "$@" )
+fi
+
+
diff --git a/bin/tests/system/sfcache/README b/bin/tests/system/sfcache/README
new file mode 100644
index 0000000..91b2126
--- /dev/null
+++ b/bin/tests/system/sfcache/README
@@ -0,0 +1,19 @@
+Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+
+SPDX-License-Identifier: MPL-2.0
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0.  If a copy of the MPL was not distributed with this
+file, you can obtain one at https://mozilla.org/MPL/2.0/.
+
+See the COPYRIGHT file distributed with this work for additional
+information regarding copyright ownership.
+
+The test setup for the SERVFAIL ncache tests has a secure root.
+
+ns1 is the root server.
+
+ns2 is an authoritative server for the various test domains.
+
+ns5 is a caching-only server, configured with the an incorrect trusted
+key for the root.  It is used for testing failure cases.
diff --git a/bin/tests/system/sfcache/clean.sh b/bin/tests/system/sfcache/clean.sh
new file mode 100644
index 0000000..e8bd818
--- /dev/null
+++ b/bin/tests/system/sfcache/clean.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+rm -f ./*/K*.key ./*/K*.private ./*/*.signed ./*/*.db ./*/dsset-*
+rm -f ./*/managed.conf ./*/trusted.conf
+rm -f ./*/named.memstats
+rm -f ./*/named.conf
+rm -f ./*/named.run ./*/named.run.prev
+rm -f ./dig.*
+rm -f ./rndc.*
+rm -f ./sfcache.*
+rm -f ./ns*/managed-keys.bind*
+rm -f ./ns*/named.lock
+rm -f ./ns5/named.run.part*
+rm -f ./ns5/named_dump*
diff --git a/bin/tests/system/sfcache/ns1/named.conf.in b/bin/tests/system/sfcache/ns1/named.conf.in
new file mode 100644
index 0000000..4a9822d
--- /dev/null
+++ b/bin/tests/system/sfcache/ns1/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/sfcache/ns1/root.db.in b/bin/tests/system/sfcache/ns1/root.db.in
new file mode 100644
index 0000000..1deb998
--- /dev/null
+++ b/bin/tests/system/sfcache/ns1/root.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+example2.		NS	ns2.example2.
+ns2.example2.		A	10.53.0.2
diff --git a/bin/tests/system/sfcache/ns1/sign.sh b/bin/tests/system/sfcache/ns1/sign.sh
new file mode 100644
index 0000000..a94ad58
--- /dev/null
+++ b/bin/tests/system/sfcache/ns1/sign.sh
@@ -0,0 +1,38 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+(cd ../ns2 && $SHELL sign.sh )
+
+cp "../ns2/dsset-example." .
+
+keyname=$($KEYGEN -q -a "${DEFAULT_ALGORITHM}" -b "${DEFAULT_BITS}" -n zone $zone)
+
+cat "$infile" "$keyname.key" > "$zonefile"
+
+$SIGNER -P -g -o $zone $zonefile > /dev/null
+
+# Configure the resolving server with a static key.
+keyfile_to_static_ds "$keyname" > trusted.conf
+cp trusted.conf ../ns2/trusted.conf
+
+# ...or with an initializing key.
+keyfile_to_initial_ds "$keyname" > managed.conf
diff --git a/bin/tests/system/sfcache/ns2/example.db.in b/bin/tests/system/sfcache/ns2/example.db.in
new file mode 100644
index 0000000..c035ee8
--- /dev/null
+++ b/bin/tests/system/sfcache/ns2/example.db.in
@@ -0,0 +1,103 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	mname1. . (
+				2000042407 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns2
+			NS	ns3
+ns2			A	10.53.0.2
+ns3			A	10.53.0.3
+
+a			A	10.0.0.1
+b			A	10.0.0.2
+d			A	10.0.0.4
+
+; Used for testing ANY queries
+foo			TXT	"testing"
+foo			A	10.0.1.0
+
+bad-cname		CNAME   a
+bad-dname		DNAME   @
+
+; Used for testing CNAME queries
+cname1			CNAME	cname1-target
+cname1-target		TXT	"testing cname"
+
+cname2			CNAME	cname2-target
+cname2-target		TXT	"testing cname"
+
+; Used for testing DNAME queries
+dname1			DNAME	dname1-target
+foo.dname1-target	TXT	"testing dname"
+
+dname2			DNAME	dname2-target
+foo.dname2-target	TXT	"testing dname"
+
+; A secure subdomain
+secure			NS	ns.secure
+ns.secure		A	10.53.0.3
+
+; An insecure subdomain
+insecure		NS	ns.insecure
+ns.insecure		A	10.53.0.3
+
+; A secure subdomain we're going to inject bogus data into
+bogus			NS	ns.bogus
+ns.bogus		A	10.53.0.3
+
+; A dynamic secure subdomain
+dynamic			NS	dynamic
+dynamic			A	10.53.0.3
+
+; A insecure subdomain
+mustbesecure		NS	ns.mustbesecure
+ns.mustbesecure		A	10.53.0.3
+
+; A rfc2535 signed zone w/ CNAME
+rfc2535			NS	ns.rfc2535
+ns.rfc2535		A	10.53.0.3
+
+z			A	10.0.0.26
+
+keyless			NS	ns.keyless
+ns.keyless		A	10.53.0.3
+
+nsec3			NS	ns.nsec3
+ns.nsec3		A	10.53.0.3
+
+optout			NS	ns.optout
+ns.optout		A	10.53.0.3
+
+nsec3-unknown		NS	ns.nsec3-unknown
+ns.nsec3-unknown	A	10.53.0.3
+
+optout-unknown		NS	ns.optout-unknown
+ns.optout-unknown	A	10.53.0.3
+
+multiple		NS	ns.multiple
+ns.multiple		A	10.53.0.3
+
+*.wild			A	10.0.0.27
+
+rsasha256		NS	ns.rsasha256
+ns.rsasha256		A	10.53.0.3
+
+rsasha512		NS	ns.rsasha512
+ns.rsasha512		A	10.53.0.3
+
+kskonly 		NS	ns.kskonly
+ns.kskonly		A	10.53.0.3
diff --git a/bin/tests/system/sfcache/ns2/named.conf.in b/bin/tests/system/sfcache/ns2/named.conf.in
new file mode 100644
index 0000000..afb5a86
--- /dev/null
+++ b/bin/tests/system/sfcache/ns2/named.conf.in
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db.signed";
+	allow-update { any; };
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/sfcache/ns2/sign.sh b/bin/tests/system/sfcache/ns2/sign.sh
new file mode 100644
index 0000000..038d079
--- /dev/null
+++ b/bin/tests/system/sfcache/ns2/sign.sh
@@ -0,0 +1,28 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+zone=example.
+infile=example.db.in
+zonefile=example.db
+
+keyname1=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+keyname2=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone "$zone")
+
+cat "$infile" "$keyname1.key" "$keyname2.key" > "$zonefile"
+
+"$SIGNER" -P -g -o "$zone" -k "$keyname1" "$zonefile" "$keyname2" > /dev/null
diff --git a/bin/tests/system/sfcache/ns5/named.conf.in b/bin/tests/system/sfcache/ns5/named.conf.in
new file mode 100644
index 0000000..272d65b
--- /dev/null
+++ b/bin/tests/system/sfcache/ns5/named.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	servfail-ttl 30;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/sfcache/ns5/sign.sh b/bin/tests/system/sfcache/ns5/sign.sh
new file mode 100644
index 0000000..6ca88de
--- /dev/null
+++ b/bin/tests/system/sfcache/ns5/sign.sh
@@ -0,0 +1,21 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+keyname=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -n zone ".")
+
+keyfile_to_static_ds "$keyname" > trusted.conf
diff --git a/bin/tests/system/sfcache/setup.sh b/bin/tests/system/sfcache/setup.sh
new file mode 100644
index 0000000..a51b814
--- /dev/null
+++ b/bin/tests/system/sfcache/setup.sh
@@ -0,0 +1,24 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+
+cd ns1 && $SHELL sign.sh && cd ..
+cd ns5 && $SHELL sign.sh && cd ..
diff --git a/bin/tests/system/sfcache/tests.sh b/bin/tests/system/sfcache/tests.sh
new file mode 100644
index 0000000..d2aeee7
--- /dev/null
+++ b/bin/tests/system/sfcache/tests.sh
@@ -0,0 +1,107 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+status=0
+n=0
+
+rm -f dig.out.*
+
+dig_with_opts() {
+    "$DIG" +tcp +noadd +nosea +nostat +nocmd -p "$PORT" "$@"
+}
+
+rndc_with_opts() {
+    "$RNDC" -c ../common/rndc.conf -p "$CONTROLPORT" -s "$@"
+}
+
+echo_i "checking DNSSEC SERVFAIL is cached ($n)"
+ret=0
+dig_with_opts +dnssec foo.example. a @10.53.0.5 > dig.out.ns5.test$n || ret=1
+rndc_dumpdb ns5 -all
+awk '/Zone/{out=0} { if (out) print } /SERVFAIL/{out=1}' ns5/named_dump.db.test$n > sfcache.$n
+grep "^; foo.example/A" sfcache.$n > /dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking SERVFAIL is returned from cache ($n)"
+ret=0
+dig_with_opts +dnssec foo.example. a @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep "SERVFAIL" dig.out.ns5.test$n > /dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking that +cd bypasses cache check ($n)"
+ret=0
+dig_with_opts +dnssec +cd foo.example. a @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep "SERVFAIL" dig.out.ns5.test$n > /dev/null && ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "switching to non-dnssec SERVFAIL tests"
+ret=0
+rndc_with_opts 10.53.0.5 flush 2>&1 | sed 's/^/I:ns5 /'
+rndc_dumpdb ns5 -all
+mv ns5/named_dump.db.test$n ns5/named_dump.db.test$n.1
+awk '/SERVFAIL/ { next; out=1 } /Zone/ { out=0 } { if (out) print }' ns5/named_dump.db.test$n.1 > sfcache.$n.1
+[ -s "sfcache.$n.1" ] && ret=1
+echo_i "checking SERVFAIL is cached ($n)"
+dig_with_opts bar.example2. a @10.53.0.5 > dig.out.ns5.test$n || ret=1
+rndc_dumpdb ns5 -all
+mv ns5/named_dump.db.test$n ns5/named_dump.db.test$n.2
+awk '/Zone/{out=0} { if (out) print } /SERVFAIL/{out=1}' ns5/named_dump.db.test$n.2 > sfcache.$n.2
+grep "^; bar.example2/A" sfcache.$n.2 > /dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking SERVFAIL is returned from cache ($n)"
+ret=0
+nextpart ns5/named.run > /dev/null
+dig_with_opts bar.example2. a @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep "SERVFAIL" dig.out.ns5.test$n > /dev/null || ret=1
+nextpart ns5/named.run > ns5/named.run.part$n
+grep 'servfail cache hit bar.example2/A (CD=0)' ns5/named.run.part$n > /dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking cache is bypassed with +cd query ($n)"
+ret=0
+dig_with_opts +cd bar.example2. a @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep "SERVFAIL" dig.out.ns5.test$n > /dev/null || ret=1
+nextpart ns5/named.run > ns5/named.run.part$n
+grep 'servfail cache hit' ns5/named.run.part$n > /dev/null && ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "checking cache is used for subsequent +cd query ($n)"
+ret=0
+dig_with_opts +dnssec bar.example2. a @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep "SERVFAIL" dig.out.ns5.test$n > /dev/null || ret=1
+nextpart ns5/named.run > ns5/named.run.part$n
+grep 'servfail cache hit bar.example2/A (CD=1)' ns5/named.run.part$n > /dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/sfcache/tests_sh_sfcache.py b/bin/tests/system/sfcache/tests_sh_sfcache.py
new file mode 100644
index 0000000..d323b39
--- /dev/null
+++ b/bin/tests/system/sfcache/tests_sh_sfcache.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_sfcache(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/shutdown/clean.sh b/bin/tests/system/shutdown/clean.sh
new file mode 100644
index 0000000..d958521
--- /dev/null
+++ b/bin/tests/system/shutdown/clean.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns*/*.jnl
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/rpz*.txt
+rm -f */named.conf
+rm -f */named.run
+rm -rf __pycache__
diff --git a/bin/tests/system/shutdown/ns1/named.conf.in b/bin/tests/system/shutdown/ns1/named.conf.in
new file mode 100644
index 0000000..f0f5210
--- /dev/null
+++ b/bin/tests/system/shutdown/ns1/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+    secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	listen-on { 10.53.0.1; };
+	pid-file "named.pid";
+	notify no;
+	dnssec-validation no;
+	allow-query { any; };
+	recursion yes;
+	allow-recursion { any; };
+};
+
+# Delegate .test domain to 10.53.0.2
+zone "." {
+    type primary;
+    file "root.db";
+    allow-transfer { none; };
+};
diff --git a/bin/tests/system/shutdown/ns1/root.db b/bin/tests/system/shutdown/ns1/root.db
new file mode 100644
index 0000000..60f1b30
--- /dev/null
+++ b/bin/tests/system/shutdown/ns1/root.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ 			IN SOA	a.root. root.test. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+
+.         IN   NS a.root.
+a.root.   IN   A  10.53.0.1
+
+test      IN   NS   ns1.test
+ns1.test  IN   A    10.53.0.2
diff --git a/bin/tests/system/shutdown/ns2/named.conf.in b/bin/tests/system/shutdown/ns2/named.conf.in
new file mode 100644
index 0000000..2ed91dc
--- /dev/null
+++ b/bin/tests/system/shutdown/ns2/named.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+    secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	listen-on { 10.53.0.2; };
+	pid-file "named.pid";
+	notify no;
+	dnssec-validation no;
+	allow-query { any; };
+};
+
+# 10.53.0.2 is authoritative for .test domain
+zone "test" {
+	type primary;
+	file "test.db";
+	allow-transfer { none; };
+};
diff --git a/bin/tests/system/shutdown/ns2/test.db b/bin/tests/system/shutdown/ns2/test.db
new file mode 100644
index 0000000..91c16ec
--- /dev/null
+++ b/bin/tests/system/shutdown/ns2/test.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+
+@	IN	SOA	ns1 root.test. 2020040101 4h 1h 1w 60
+@	IN	NS	ns1
+ns1	IN	A	10.53.0.2
+@	IN	A	10.53.0.2
+www	IN	A	10.53.0.2
diff --git a/bin/tests/system/shutdown/resolver/named.conf.in b/bin/tests/system/shutdown/resolver/named.conf.in
new file mode 100644
index 0000000..5007579
--- /dev/null
+++ b/bin/tests/system/shutdown/resolver/named.conf.in
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+logging {
+	channel basic {
+		file "named.run";
+		severity debug 999;
+		print-time yes;
+	};
+	category default { basic; };
+};
+
+key rndc_key {
+    secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	listen-on { 10.53.0.3; };
+	pid-file "named.pid";
+	notify no;
+	dnssec-validation no;
+	allow-query { any; };
+	allow-recursion { any; };
+};
+
+zone "." {
+	type hint;
+	file "root.db";
+};
diff --git a/bin/tests/system/shutdown/resolver/root.db b/bin/tests/system/shutdown/resolver/root.db
new file mode 100644
index 0000000..88e0ba8
--- /dev/null
+++ b/bin/tests/system/shutdown/resolver/root.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	a.root. root.root. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.         IN   NS  a.root.
+a.root.   IN   A   10.53.0.1
diff --git a/bin/tests/system/shutdown/setup.sh b/bin/tests/system/shutdown/setup.sh
new file mode 100644
index 0000000..cdeab82
--- /dev/null
+++ b/bin/tests/system/shutdown/setup.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# touch dnsrps-off to not test with DNSRPS
+
+set -e
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports resolver/named.conf.in resolver/named.conf
diff --git a/bin/tests/system/shutdown/tests_shutdown.py b/bin/tests/system/shutdown/tests_shutdown.py
new file mode 100755
index 0000000..89cada2
--- /dev/null
+++ b/bin/tests/system/shutdown/tests_shutdown.py
@@ -0,0 +1,206 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from concurrent.futures import ThreadPoolExecutor, as_completed
+import os
+import random
+import signal
+import subprocess
+from string import ascii_lowercase as letters
+import time
+
+import pytest
+
+pytest.importorskip("dns", minversion="2.0.0")
+import dns.exception
+import dns.resolver
+
+
+def do_work(named_proc, resolver, rndc_cmd, kill_method, n_workers, n_queries):
+    """Creates a number of A queries to run in parallel
+    in order simulate a slightly more realistic test scenario.
+
+    The main idea of this function is to create and send a bunch
+    of A queries to a target named instance and during this process
+    a request for shutting down named will be issued.
+
+    In the process of shutting down named, a couple control connections
+    are created (by launching rndc) to ensure that the crash was fixed.
+
+    if kill_method=="rndc" named will be asked to shutdown by
+    means of rndc stop.
+    if kill_method=="sigterm" named will be killed by SIGTERM on
+    POSIX systems or by TerminateProcess() on Windows systems.
+
+    :param named_proc: named process instance
+    :type named_proc: subprocess.Popen
+
+    :param resolver: target resolver
+    :type resolver: dns.resolver.Resolver
+
+    :param rndc_cmd: rndc command with default arguments
+    :type rndc_cmd: list of strings, e.g. ["rndc", "-p", "23750"]
+
+    :kill_method: "rndc" or "sigterm"
+    :type kill_method: str
+
+    :param n_workers: Number of worker threads to create
+    :type n_workers: int
+
+    :param n_queries: Total number of queries to send
+    :type n_queries: int
+    """
+    # pylint: disable-msg=too-many-arguments
+    # pylint: disable-msg=too-many-locals
+
+    # helper function, args must be a list or tuple with arguments to rndc.
+    def launch_rndc(args):
+        return subprocess.call(rndc_cmd + args, timeout=10)
+
+    # We're going to execute queries in parallel by means of a thread pool.
+    # dnspython functions block, so we need to circunvent that.
+    with ThreadPoolExecutor(n_workers + 1) as executor:
+        # Helper dict, where keys=Future objects and values are tags used
+        # to process results later.
+        futures = {}
+
+        # 50% of work will be A queries.
+        # 1 work will be rndc stop.
+        # Remaining work will be rndc status (so we test parallel control
+        #  connections that were crashing named).
+        shutdown = True
+        for i in range(n_queries):
+            if i < (n_queries // 2):
+                # Half work will be standard A queries.
+                # Among those we split 50% queries relname='www',
+                # 50% queries relname=random characters
+                if random.randrange(2) == 1:
+                    tag = "good"
+                    relname = "www"
+                else:
+                    tag = "bad"
+                    length = random.randint(4, 10)
+                    relname = "".join(
+                        letters[random.randrange(len(letters))] for i in range(length)
+                    )
+
+                qname = relname + ".test"
+                futures[executor.submit(resolver.resolve, qname, "A")] = tag
+            elif shutdown:  # We attempt to stop named in the middle
+                shutdown = False
+                if kill_method == "rndc":
+                    futures[executor.submit(launch_rndc, ["stop"])] = "stop"
+                else:
+                    futures[executor.submit(named_proc.terminate)] = "kill"
+            else:
+                # We attempt to send couple rndc commands while named is
+                # being shutdown
+                futures[executor.submit(launch_rndc, ["status"])] = "status"
+
+        ret_code = -1
+        for future in as_completed(futures):
+            try:
+                result = future.result()
+                # If tag is "stop", result is an instance of
+                # subprocess.CompletedProcess, then we check returncode
+                # attribute to know if rncd stop command finished successfully.
+                #
+                # if tag is "kill" then the main function will check if
+                # named process exited gracefully after SIGTERM signal.
+                if futures[future] == "stop":
+                    ret_code = result
+
+            except (
+                dns.resolver.NXDOMAIN,
+                dns.resolver.NoNameservers,
+                dns.exception.Timeout,
+            ):
+                pass
+
+        if kill_method == "rndc":
+            assert ret_code == 0
+
+
+def wait_for_named_loaded(resolver, retries=10):
+    for _ in range(retries):
+        try:
+            resolver.resolve("version.bind", "TXT", "CH")
+            return True
+        except (dns.resolver.NoNameservers, dns.exception.Timeout):
+            time.sleep(1)
+    return False
+
+
+def wait_for_proc_termination(proc, max_timeout=10):
+    for _ in range(max_timeout):
+        if proc.poll() is not None:
+            return True
+        time.sleep(1)
+
+    proc.send_signal(signal.SIGABRT)
+    for _ in range(max_timeout):
+        if proc.poll() is not None:
+            return True
+        time.sleep(1)
+
+    return False
+
+
+# We test named shutting down using two methods:
+# Method 1: using rndc ctop
+# Method 2: killing with SIGTERM
+# In both methods named should exit gracefully.
+@pytest.mark.parametrize("kill_method", ["rndc", "sigterm"])
+def test_named_shutdown(named_port, control_port, kill_method):
+    # pylint: disable-msg=too-many-locals
+    cfg_dir = os.path.join(os.getcwd(), "resolver")
+    assert os.path.isdir(cfg_dir)
+
+    cfg_file = os.path.join(cfg_dir, "named.conf")
+    assert os.path.isfile(cfg_file)
+
+    named = os.getenv("NAMED")
+    assert named is not None
+
+    rndc = os.getenv("RNDC")
+    assert rndc is not None
+
+    # rndc configuration resides in ../common/rndc.conf
+    rndc_cfg = os.path.join("..", "common", "rndc.conf")
+    assert os.path.isfile(rndc_cfg)
+
+    # rndc command with default arguments.
+    rndc_cmd = [rndc, "-c", rndc_cfg, "-p", str(control_port), "-s", "10.53.0.3"]
+
+    # We create a resolver instance that will be used to send queries.
+    resolver = dns.resolver.Resolver()
+    resolver.nameservers = ["10.53.0.3"]
+    resolver.port = named_port
+
+    named_cmdline = [named, "-c", cfg_file, "-f"]
+    with subprocess.Popen(named_cmdline, cwd=cfg_dir) as named_proc:
+        try:
+            assert named_proc.poll() is None, "named isn't running"
+            assert wait_for_named_loaded(resolver)
+            do_work(
+                named_proc,
+                resolver,
+                rndc_cmd,
+                kill_method,
+                n_workers=12,
+                n_queries=16,
+            )
+            assert wait_for_proc_termination(named_proc)
+            assert named_proc.returncode == 0, "named crashed"
+        finally:  # Ensure named is terminated in case of an exception
+            named_proc.kill()
diff --git a/bin/tests/system/smartsign/child.db b/bin/tests/system/smartsign/child.db
new file mode 100644
index 0000000..878df45
--- /dev/null
+++ b/bin/tests/system/smartsign/child.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 60		; 1 minute
+child.parent.nil		IN SOA	ns.child.parent.nil. hostmaster.parent.nil. (
+				1          ; serial
+				2000       ; refresh (33 minutes 20 seconds)
+				2000       ; retry (33 minutes 20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns.child.parent.nil.
+$ORIGIN child.parent.nil.
+$TTL 300	; 5 minutes
+ns			A	10.53.0.3
diff --git a/bin/tests/system/smartsign/clean.sh b/bin/tests/system/smartsign/clean.sh
new file mode 100644
index 0000000..ad975af
--- /dev/null
+++ b/bin/tests/system/smartsign/clean.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f K* dsset-* *.signed dnskey.sigs other.sigs dsset.out
+rm -f ns*/named.lock
diff --git a/bin/tests/system/smartsign/parent.db b/bin/tests/system/smartsign/parent.db
new file mode 100644
index 0000000..a5484e3
--- /dev/null
+++ b/bin/tests/system/smartsign/parent.db
@@ -0,0 +1,31 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+parent.nil		IN SOA	ns1.parent.nil. hostmaster.parent.nil. (
+				1          ; serial
+				2000       ; refresh (33 minutes 20 seconds)
+				2000       ; retry (33 minutes 20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns1.parent.nil.
+			NS	ns2.parent.nil.
+$ORIGIN parent.nil.
+$TTL 3600	; 1 hour
+a			A	1.1.1.1
+$TTL 300	; 5 minutes
+ns1			A	10.53.0.1
+ns2			A	10.53.0.2
+
+child			NS     	ns.child
+ns.child		A	10.53.0.3
diff --git a/bin/tests/system/smartsign/tests.sh b/bin/tests/system/smartsign/tests.sh
new file mode 100644
index 0000000..1da21bf
--- /dev/null
+++ b/bin/tests/system/smartsign/tests.sh
@@ -0,0 +1,369 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+
+pzone=parent.nil
+pfile=parent.db
+
+czone=child.parent.nil
+cfile=child.db
+
+echo_i "generating child's keys"
+# active zsk
+czsk1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -L 30 $czone)
+
+# not yet published or active
+czsk2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -P none -A none $czone)
+
+# published but not active
+czsk3=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -A none $czone)
+
+# inactive
+czsk4=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -P now-24h -A now-24h -I now $czone)
+
+# active in 12 hours, inactive 12 hours after that...
+czsk5=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -P now+12h -A now+12h -I now+24h $czone)
+
+# explicit successor to czk5
+# (suppressing warning about lack of removal date)
+czsk6=$($KEYGEN -q -S $czsk5 -i 6h 2>/dev/null)
+
+# active ksk
+cksk1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk -L 30 $czone)
+
+# published but not YET active; will be active in 20 seconds
+cksk2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk $czone)
+# $SETTIME moved after other $KEYGENs
+
+echo_i "revoking key"
+# revoking key changes its ID
+cksk3=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk $czone)
+cksk4=$($REVOKE $cksk3)
+
+echo_i "setting up sync key"
+cksk5=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk -P now+1mo -A now+1mo -Psync now $czone)
+
+echo_i "and future sync key"
+cksk6=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk -P now+1mo -A now+1mo -Psync now+1mo $czone)
+
+echo_i "generating parent keys"
+pzsk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} $pzone)
+pksk=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -fk $pzone)
+
+echo_i "setting child's activation time"
+# using now+30s to fix RT 24561
+$SETTIME -A now+30s $cksk2 > /dev/null
+
+echo_i "signing child zone"
+czoneout=$($SIGNER -Sg -e now+1d -X now+2d -o $czone $cfile)
+
+echo_i "signing parent zone"
+pzoneout=$($SIGNER -Sg -o $pzone $pfile)
+
+czactive=$(keyfile_to_key_id $czsk1)
+czgenerated=$(keyfile_to_key_id $czsk2)
+czpublished=$(keyfile_to_key_id $czsk3)
+czinactive=$(keyfile_to_key_id $czsk4)
+czpredecessor=$(keyfile_to_key_id $czsk5)
+czsuccessor=$(keyfile_to_key_id $czsk6)
+ckactive=$(keyfile_to_key_id $cksk1)
+ckpublished=$(keyfile_to_key_id $cksk2)
+ckprerevoke=$(keyfile_to_key_id $cksk3)
+ckrevoked=$(keyfile_to_key_id $cksk4)
+
+pzid=$(keyfile_to_key_id $pzsk)
+pkid=$(keyfile_to_key_id $pksk)
+
+echo_i "checking dnssec-signzone output matches expectations"
+ret=0
+echo "$pzoneout" | grep 'KSKs: 1 active, 0 stand-by, 0 revoked' > /dev/null || ret=1
+echo "$pzoneout" | grep 'ZSKs: 1 active, 0 stand-by, 0 revoked' > /dev/null || ret=1
+echo "$czoneout" | grep 'KSKs: 1 active, 1 stand-by, 1 revoked' > /dev/null || ret=1
+echo "$czoneout" | grep 'ZSKs: 1 active, 2 stand-by, 0 revoked' > /dev/null || ret=1
+if [ $ret != 0 ]; then
+	echo_i "parent $pzoneout"
+	echo_i "child $czoneout"
+	echo_i "failed";
+fi
+status=$((status + ret))
+
+echo_i "rechecking dnssec-signzone output with -x"
+ret=0
+# use an alternate output file so -x doesn't interfere with later checks
+pzoneout=$($SIGNER -Sxg -o $pzone -f ${pfile}2.signed $pfile)
+czoneout=$($SIGNER -Sxg -e now+1d -X now+2d -o $czone -f ${cfile}2.signed $cfile)
+echo "$pzoneout" | grep 'KSKs: 1 active, 0 stand-by, 0 revoked' > /dev/null || ret=1
+echo "$pzoneout" | grep 'ZSKs: 1 active, 0 present, 0 revoked' > /dev/null || ret=1
+echo "$czoneout" | grep 'KSKs: 1 active, 1 stand-by, 1 revoked' > /dev/null || ret=1
+echo "$czoneout" | grep 'ZSKs: 1 active, 2 present, 0 revoked' > /dev/null || ret=1
+if [ $ret != 0 ]; then
+	echo_i "parent $pzoneout"
+	echo_i "child $czoneout"
+	echo_i "failed";
+fi
+status=$((status + ret))
+
+echo_i "checking parent zone DNSKEY set"
+ret=0
+grep "key id = $pzid" $pfile.signed > /dev/null || {
+	ret=1
+	echo_i "missing expected parent ZSK id = $pzid"
+}
+grep "key id = $pkid" $pfile.signed > /dev/null || {
+	ret=1
+	echo_i "missing expected parent KSK id = $pkid"
+}
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking parent zone DS records"
+ret=0
+awk '$2 == "DS" {print $3}' $pfile.signed > dsset.out
+grep -w "$ckactive" dsset.out > /dev/null || ret=1
+grep -w "$ckpublished" dsset.out > /dev/null || ret=1
+# revoked key should not be there, hence the &&
+grep -w "$ckprerevoke" dsset.out > /dev/null && ret=1
+grep -w "$ckrevoked" dsset.out > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking child zone DNSKEY set"
+ret=0
+grep "key id = $ckactive\$" $cfile.signed > /dev/null || {
+	ret=1
+	echo_i "missing expected child KSK id = $ckactive"
+}
+grep "key id = $ckpublished\$" $cfile.signed > /dev/null || {
+	ret=1
+	echo_i "missing expected child prepublished KSK id = $ckpublished"
+}
+grep "key id = $ckrevoked\$" $cfile.signed > /dev/null || {
+	ret=1
+	echo_i "missing expected child revoked KSK id = $ckrevoked"
+}
+grep "key id = $czactive\$" $cfile.signed > /dev/null || {
+	ret=1
+	echo_i "missing expected child ZSK id = $czactive"
+}
+grep "key id = $czpublished\$" $cfile.signed > /dev/null || {
+	ret=1
+	echo_i "missing expected child prepublished ZSK id = $czpublished"
+}
+grep "key id = $czinactive\$" $cfile.signed > /dev/null || {
+	ret=1
+	echo_i "missing expected child inactive ZSK id = $czinactive"
+}
+# should not be there, hence the &&
+grep "key id = $ckprerevoke\$" $cfile.signed > /dev/null && {
+	ret=1
+	echo_i "found unexpected child pre-revoke ZSK id = $ckprerevoke"
+}
+grep "key id = $czgenerated\$" $cfile.signed > /dev/null && {
+	ret=1
+	echo_i "found unexpected child generated ZSK id = $czgenerated"
+}
+grep "key id = $czpredecessor\$" $cfile.signed > /dev/null && {
+	echo_i "found unexpected ZSK predecessor id = $czpredecessor (ignored)"
+}
+grep "key id = $czsuccessor\$" $cfile.signed > /dev/null && {
+	echo_i "found unexpected ZSK successor id = $czsuccessor (ignored)"
+}
+#grep "key id = $czpredecessor\$" $cfile.signed > /dev/null && ret=1
+#grep "key id = $czsuccessor\$" $cfile.signed > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking key TTLs are correct"
+ret=0
+grep "${czone}. 30 IN" ${czsk1}.key > /dev/null 2>&1 || ret=1
+grep "${czone}. 30 IN" ${cksk1}.key > /dev/null 2>&1 || ret=1
+grep "${czone}. IN" ${czsk2}.key > /dev/null 2>&1 || ret=1
+$SETTIME -L 45 ${czsk2} > /dev/null
+grep "${czone}. 45 IN" ${czsk2}.key > /dev/null 2>&1 || ret=1
+$SETTIME -L 0 ${czsk2} > /dev/null
+grep "${czone}. IN" ${czsk2}.key > /dev/null 2>&1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking key TTLs were imported correctly"
+ret=0
+awk 'BEGIN {r = 0} $2 == "DNSKEY" && $1 != 30 {r = 1} END {exit r}' \
+        ${cfile}.signed || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "re-signing and checking imported TTLs again"
+ret=0
+$SETTIME -L 15 ${czsk2} > /dev/null
+czoneout=$($SIGNER -Sg -e now+1d -X now+2d -o $czone $cfile)
+awk 'BEGIN {r = 0} $2 == "DNSKEY" && $1 != 15 {r = 1} END {exit r}' \
+        ${cfile}.signed || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# There is some weirdness in Solaris 10 (Generic_120011-14), which
+# is why the next section has all those echo $ret > /dev/null;sync
+# commands
+echo_i "checking child zone signatures"
+ret=0
+# check DNSKEY signatures first
+awk '$2 == "RRSIG" && $3 == "DNSKEY" { getline; print $3 }' $cfile.signed > dnskey.sigs
+sub=0
+grep -w "$ckactive" dnskey.sigs > /dev/null || sub=1
+if [ $sub != 0 ]; then echo_i "missing ckactive $ckactive (dnskey)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$ckrevoked" dnskey.sigs > /dev/null || sub=1
+if [ $sub != 0 ]; then echo_i "missing ckrevoke $ckrevoke (dnskey)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$czactive" dnskey.sigs > /dev/null || sub=1
+if [ $sub != 0 ]; then echo_i "missing czactive $czactive (dnskey)"; ret=1; fi
+# should not be there:
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$ckprerevoke" dnskey.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found ckprerevoke $ckprerevoke (dnskey)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$ckpublished" dnskey.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found ckpublished $ckpublished (dnskey)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$czpublished" dnskey.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found czpublished $czpublished (dnskey)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$czinactive" dnskey.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found czinactive $czinactive (dnskey)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$czgenerated" dnskey.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found czgenerated $czgenerated (dnskey)"; ret=1; fi
+# now check other signatures first
+awk '$2 == "RRSIG" && $3 != "DNSKEY" && $3 != "CDNSKEY" && $3 != "CDS" { getline; print $3 }' $cfile.signed | sort -un > other.sigs
+# should not be there:
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$ckactive" other.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found ckactive $ckactive (other)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$ckpublished" other.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found ckpublished $ckpublished (other)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$ckprerevoke" other.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found ckprerevoke $ckprerevoke (other)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$ckrevoked" other.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found ckrevoked $ckrevoked (other)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$czpublished" other.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found czpublished $czpublished (other)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$czinactive" other.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found czinactive $czinactive (other)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$czgenerated" other.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found czgenerated $czgenerated (other)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$czpredecessor" other.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found czpredecessor $czpredecessor (other)"; ret=1; fi
+echo $ret > /dev/null
+sync
+sub=0
+grep -w "$czsuccessor" other.sigs > /dev/null && sub=1
+if [ $sub != 0 ]; then echo_i "found czsuccessor $czsuccessor (other)"; ret=1; fi
+if [ $ret != 0 ]; then
+    sed 's/^/I:dnskey sigs: /' < dnskey.sigs
+    sed 's/^/I:other sigs: /' < other.sigs
+    echo_i "failed";
+fi
+status=$((status + ret))
+
+echo_i "checking RRSIG expiry date correctness"
+dnskey_expiry=$($CHECKZONE -o - $czone $cfile.signed 2> /dev/null |
+              awk '$4 == "RRSIG" && $5 == "DNSKEY" {print $9; exit}' |
+              cut -c1-10)
+soa_expiry=$($CHECKZONE -o - $czone $cfile.signed 2> /dev/null |
+           awk '$4 == "RRSIG" && $5 == "SOA" {print $9; exit}' |
+           cut -c1-10)
+[ $dnskey_expiry -gt $soa_expiry ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "waiting 30 seconds for key activation"
+sleep 30
+echo_i "re-signing child zone"
+czoneout2=$($SIGNER -Sg -o $czone -f $cfile.new $cfile.signed)
+mv $cfile.new $cfile.signed
+
+echo_i "checking dnssec-signzone output matches expectations"
+ret=0
+echo "$czoneout2" | grep 'KSKs: 2 active, 0 stand-by, 1 revoked' > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking child zone signatures again"
+ret=0
+awk '$2 == "RRSIG" && $3 == "DNSKEY" { getline; print $3 }' $cfile.signed > dnskey.sigs
+grep -w "$ckpublished" dnskey.sigs > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking sync record publication"
+ret=0
+awk 'BEGIN { r=1 } $2 == "CDNSKEY" { r=0 } END { exit r }' $cfile.signed || ret=1
+awk 'BEGIN { r=1 } $2 == "CDS" { r=0 } END { exit r }' $cfile.signed || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# this also checks that the future sync record is not yet published
+echo_i "checking sync record deletion"
+ret=0
+$SETTIME -P now -A now -Dsync now ${cksk5} > /dev/null
+$SIGNER -Sg -o $czone -f $cfile.new $cfile.signed > /dev/null
+mv $cfile.new $cfile.signed
+awk 'BEGIN { r=1 } $2 == "CDNSKEY" { r=0 } END { exit r }' $cfile.signed && ret=1
+awk 'BEGIN { r=1 } $2 == "CDS" { r=0 } END { exit r }' $cfile.signed && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/smartsign/tests_sh_smartsign.py b/bin/tests/system/smartsign/tests_sh_smartsign.py
new file mode 100644
index 0000000..e291b64
--- /dev/null
+++ b/bin/tests/system/smartsign/tests_sh_smartsign.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_smartsign(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/sortlist/clean.sh b/bin/tests/system/sortlist/clean.sh
new file mode 100644
index 0000000..b490f46
--- /dev/null
+++ b/bin/tests/system/sortlist/clean.sh
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f *.dig *.good *.out
+rm -f */named.memstats
+rm -f */named.run
+rm -f */named.conf
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/sortlist/ns1/example.db b/bin/tests/system/sortlist/ns1/example.db
new file mode 100644
index 0000000..b68e215
--- /dev/null
+++ b/bin/tests/system/sortlist/ns1/example.db
@@ -0,0 +1,37 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns1.example. hostmaster.example. (
+				2000042795 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns1.example.
+ns1.example.		A	10.53.0.1
+
+; Let's see what the sortlist picks out of this...
+a			A	1.1.1.1
+a			A	1.1.1.5
+a			A	1.1.1.2
+a			A	192.168.3.1
+a			A	1.1.1.3
+a			A	192.168.1.1
+a			A	1.1.1.4
+
+b			A	10.53.0.1
+b			A	10.53.0.2
+b			A	10.53.0.3
+b			A	10.53.0.4
+b			A	10.53.0.5
+
diff --git a/bin/tests/system/sortlist/ns1/named.conf.in b/bin/tests/system/sortlist/ns1/named.conf.in
new file mode 100644
index 0000000..1a0b3ad
--- /dev/null
+++ b/bin/tests/system/sortlist/ns1/named.conf.in
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+
+	sortlist {
+	    { 10.53.0.1;				   // IF 10.53.0.1
+		{
+		    !1.1.1.4; !1.1.1.2; !1.1.1.3; !1.1.1.1; // sort these last,
+		    192.168.3/24;			    // this first
+		    { 192.168.2/24; 192.168.1/24; }; }; };  // and these next
+	    { { 10.53.0.2; 10.53.0.3; }; };		    // Prefer self
+	    10.53.0.4;					    // BIND 8 compat
+	    { 10.53.0.5; 10.53.0.5; };    		    // BIND 8 compat
+	};
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/sortlist/ns1/root.db b/bin/tests/system/sortlist/ns1/root.db
new file mode 100644
index 0000000..17780d1
--- /dev/null
+++ b/bin/tests/system/sortlist/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/sortlist/setup.sh b/bin/tests/system/sortlist/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/sortlist/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/sortlist/tests.sh b/bin/tests/system/sortlist/tests.sh
new file mode 100644
index 0000000..894b022
--- /dev/null
+++ b/bin/tests/system/sortlist/tests.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +noadd +nosea +nostat +noquest +noauth +nocomm +nocmd -p ${PORT}"
+
+status=0
+
+echo_i "test 2-element sortlist statement"
+cat <<EOF >test1.good
+a.example.		300	IN	A	192.168.3.1
+a.example.		300	IN	A	192.168.1.1
+a.example.		300	IN	A	1.1.1.5
+a.example.		300	IN	A	1.1.1.1
+a.example.		300	IN	A	1.1.1.3
+a.example.		300	IN	A	1.1.1.2
+a.example.		300	IN	A	1.1.1.4
+EOF
+$DIG $DIGOPTS a.example. @10.53.0.1 -b 10.53.0.1 >test1.dig
+# Note that this can't use digcomp.pl because here, the ordering of the
+# result RRs is significant.
+diff test1.dig test1.good || status=1
+
+echo_i "test 1-element sortlist statement and undocumented BIND 8 features"
+	cat <<EOF >test2.good
+b.example.		300	IN	A	10.53.0.$n
+EOF
+
+$DIG $DIGOPTS b.example. @10.53.0.1 -b 10.53.0.2 | sed 1q | \
+        grep -E '10.53.0.(2|3)$' > test2.out &&
+$DIG $DIGOPTS b.example. @10.53.0.1 -b 10.53.0.3 | sed 1q | \
+        grep -E '10.53.0.(2|3)$' >> test2.out &&
+$DIG $DIGOPTS b.example. @10.53.0.1 -b 10.53.0.4 | sed 1q | \
+        grep -E '10.53.0.4$' >> test2.out &&
+$DIG $DIGOPTS b.example. @10.53.0.1 -b 10.53.0.5 | sed 1q | \
+        grep -E '10.53.0.5$' >> test2.out || status=1
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/sortlist/tests_sh_sortlist.py b/bin/tests/system/sortlist/tests_sh_sortlist.py
new file mode 100644
index 0000000..5a66d7d
--- /dev/null
+++ b/bin/tests/system/sortlist/tests_sh_sortlist.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_sortlist(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/spf/clean.sh b/bin/tests/system/spf/clean.sh
new file mode 100644
index 0000000..90dc7b6
--- /dev/null
+++ b/bin/tests/system/spf/clean.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns1/named.run
+rm -f ns1/named.memstats
+rm -f ns*/named.lock
+rm -f ns*/named.conf
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/spf/ns1/named.conf.in b/bin/tests/system/spf/ns1/named.conf.in
new file mode 100644
index 0000000..d25251a
--- /dev/null
+++ b/bin/tests/system/spf/ns1/named.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	ixfr-from-differences yes;
+};
+
+zone "spf" {
+	type primary;
+	file "spf.db";
+};
+
+zone "warn" {
+	type primary;
+	file "spf.db";
+	check-spf warn;
+};
+
+zone "nowarn" {
+	type primary;
+	file "spf.db";
+	check-spf ignore;
+};
diff --git a/bin/tests/system/spf/ns1/spf.db b/bin/tests/system/spf/ns1/spf.db
new file mode 100644
index 0000000..9527b1b
--- /dev/null
+++ b/bin/tests/system/spf/ns1/spf.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0 IN SOA . . 0 0 0 0 0
+@ 0 IN NS .
+@ 0 IN TXT "v=spf1 -all"
+@ 0 IN SPF "v=spf1 -all"
+x 0 IN TXT "v=spf1"
+y 0 IN SPF "v=spf1"
+y 0 IN TXT "a non spf record"
diff --git a/bin/tests/system/spf/setup.sh b/bin/tests/system/spf/setup.sh
new file mode 100644
index 0000000..82240a7
--- /dev/null
+++ b/bin/tests/system/spf/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/spf/tests.sh b/bin/tests/system/spf/tests.sh
new file mode 100644
index 0000000..07e6c19
--- /dev/null
+++ b/bin/tests/system/spf/tests.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+n=1
+status=0
+
+# Wait until all zones are loaded before checking SPF related logs
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	grep "all zones loaded" ns1/named.run > /dev/null && break
+	sleep 1
+done
+
+echo_i "checking that SPF warnings have been correctly generated ($n)"
+ret=0
+
+grep "zone spf/IN: loaded serial 0" ns1/named.run > /dev/null || ret=1
+grep "'y.spf' found type SPF" ns1/named.run > /dev/null || ret=1
+grep "'spf' found type SPF" ns1/named.run > /dev/null && ret=1
+
+grep "zone warn/IN: loaded serial 0" ns1/named.run > /dev/null || ret=1
+grep "'y.warn' found type SPF" ns1/named.run > /dev/null || ret=1
+grep "'warn' found type SPF" ns1/named.run > /dev/null && ret=1
+
+grep "zone nowarn/IN: loaded serial 0" ns1/named.run > /dev/null || ret=1
+grep "'y.nowarn' found type SPF" ns1/named.run > /dev/null && ret=1
+grep "'nowarn' found type SPF" ns1/named.run > /dev/null && ret=1
+n=$((n + 1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/spf/tests_sh_spf.py b/bin/tests/system/spf/tests_sh_spf.py
new file mode 100644
index 0000000..53c623d
--- /dev/null
+++ b/bin/tests/system/spf/tests_sh_spf.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_spf(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/start.pl b/bin/tests/system/start.pl
new file mode 100755
index 0000000..2a2d780
--- /dev/null
+++ b/bin/tests/system/start.pl
@@ -0,0 +1,452 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Framework for starting test servers.
+# Based on the type of server specified, check for port availability, remove
+# temporary files, start the server, and verify that the server is running.
+# If a server is specified, start it. Otherwise, start all servers for test.
+
+use strict;
+use warnings;
+
+use Cwd ':DEFAULT', 'abs_path';
+use English '-no_match_vars';
+use Getopt::Long;
+use Time::HiRes 'sleep'; # allows sleeping fractional seconds
+
+# Usage:
+#   perl start.pl [--noclean] [--restart] [--port port] [--taskset cpus] test [server [options]]
+#
+#   --noclean       Do not cleanup files in server directory.
+#
+#   --restart       Indicate that the server is being restarted, so get the
+#                   server to append output to an existing log file instead of
+#                   starting a new one.
+#
+#   --port port     Specify the default port being used by the server to answer
+#                   queries (default 5300).  This script will interrogate the
+#                   server on this port to see if it is running. (Note: for
+#                   "named" nameservers, this can be overridden by the presence
+#                   of the file "named.port" in the server directory containing
+#                   the number of the query port.)
+#
+#   --taskset cpus  Use taskset to signal which cpus can be used. For example
+#                   cpus=fff0 means all cpus aexcept for 0, 1, 2, and 3 are
+#                   eligible.
+#
+#   test            Name of the test directory.
+#
+#   server          Name of the server directory.  This will be of the form
+#                   "nsN" or "ansN", where "N" is an integer between 1 and 8.
+#                   If not given, the script will start all the servers in the
+#                   test directory.
+#
+#   options         Alternate options for the server.
+#
+#                   NOTE: options must be specified with '-- "<option list>"',
+#                   for instance: start.pl . ns1 -- "-c n.conf -d 43"
+#
+#                   ALSO NOTE: this variable will be filled with the contents
+#                   of the first non-commented/non-blank line of args in a file
+#                   called "named.args" in an ns*/ subdirectory. Only the FIRST
+#                   non-commented/non-blank line is used (everything else in
+#                   the file is ignored). If "options" is already set, then
+#                   "named.args" is ignored.
+
+my $usage = "usage: $0 [--noclean] [--restart] [--port <port>] [--taskset <cpus>] test-directory [server-directory [server-options]]";
+my $clean = 1;
+my $restart = 0;
+my $queryport = 5300;
+my $taskset = "";
+
+GetOptions(
+	'clean!'    => \$clean,
+	'restart!'  => \$restart,
+	'port=i'    => \$queryport,
+	'taskset=s' => \$taskset,
+) or die "$usage\n";
+
+my( $test, $server_arg, $options_arg ) = @ARGV;
+
+if (!$test) {
+	die "$usage\n";
+}
+
+# Global variables
+my $builddir = $ENV{'builddir'};
+my $srcdir = $ENV{'srcdir'};
+my $testdir = "$builddir/$test";
+
+if (! -d $testdir) {
+	die "No test directory: \"$testdir\"\n";
+}
+
+if ($server_arg && ! -d "$testdir/$server_arg") {
+	die "No server directory: \"$testdir/$server_arg\"\n";
+}
+
+my $NAMED = $ENV{'NAMED'};
+my $DIG = $ENV{'DIG'};
+my $PERL = $ENV{'PERL'};
+my $PYTHON = $ENV{'PYTHON'};
+
+# Start the server(s)
+
+my @ns;
+my @ans;
+
+if ($server_arg) {
+	if ($server_arg =~ /^ns/) {
+		push(@ns, $server_arg);
+	} elsif ($server_arg =~ /^ans/) {
+		push(@ans, $server_arg);
+	} else {
+		print "$0: ns or ans directory expected";
+		print "I:$test:failed";
+	}
+} else {
+	# Determine which servers need to be started for this test.
+	opendir DIR, $testdir or die "unable to read test directory: \"$test\" ($OS_ERROR)\n";
+	my @files = sort readdir DIR;
+	closedir DIR;
+
+	@ns = grep /^ns[0-9]*$/, @files;
+	@ans = grep /^ans[0-9]*$/, @files;
+}
+
+# Start the servers we found.
+
+foreach my $name(@ns) {
+	my $instances_so_far = count_running_lines($name);
+	&check_ns_port($name);
+	&start_ns_server($name, $options_arg);
+	&verify_ns_server($name, $instances_so_far);
+}
+
+foreach my $name(@ans) {
+	&start_ans_server($name);
+}
+
+# Subroutines
+
+sub read_ns_port {
+	my ( $server ) = @_;
+	my $port = $queryport;
+	my $options = "";
+
+	if ($server) {
+		my $file = $testdir . "/" . $server . "/named.port";
+
+		if (-e $file) {
+			open(my $fh, "<", $file) or die "unable to read ports file \"$file\" ($OS_ERROR)";
+
+			my $line = <$fh>;
+
+			if ($line) {
+				chomp $line;
+				$port = $line;
+			}
+		}
+	}
+	return ($port);
+}
+
+sub check_ns_port {
+	my ( $server ) = @_;
+	my $options = "";
+	my $port = read_ns_port($server);
+
+	if ($server =~ /(\d+)$/) {
+		$options = "-i $1";
+	}
+
+	my $tries = 0;
+
+	while (1) {
+		my $return = system("$PERL $srcdir/testsock.pl -p $port $options");
+
+		if ($return == 0) {
+			last;
+		}
+
+		$tries++;
+
+		if ($tries > 4) {
+			print "$0: could not bind to server addresses, still running?\n";
+			print "I:$test:server sockets not available\n";
+			print "I:$test:failed\n";
+
+			system("$PERL $srcdir/stop.pl $test"); # Is this the correct behavior?
+
+			exit 1;
+		}
+
+		print "I:$test:Couldn't bind to socket (yet)\n";
+		sleep 2;
+	}
+}
+
+sub start_server {
+	my ( $server, $command, $pid_file ) = @_;
+
+	chdir "$testdir/$server" or die "unable to chdir \"$testdir/$server\" ($OS_ERROR)\n";
+
+	# start the server
+	my $child = `$command`;
+	chomp($child);
+
+	# wait up to 90 seconds for the server to start and to write the
+	# pid file otherwise kill this server and any others that have
+	# already been started
+	my $tries = 0;
+	while (!-s $pid_file) {
+		if (++$tries > 900) {
+			print "I:$test:Couldn't start server $command (pid=$child)\n";
+			print "I:$test:failed\n";
+			kill "ABRT", $child if ("$child" ne "");
+			chdir "$testdir";
+			system "$PERL $srcdir/stop.pl $test";
+			exit 1;
+		}
+		sleep 0.1;
+	}
+
+	# go back to the top level directory
+	chdir $builddir;
+}
+
+sub construct_ns_command {
+	my ( $server, $options ) = @_;
+
+	my $command;
+
+	if ($ENV{'USE_VALGRIND'}) {
+		$command = "valgrind -q --gen-suppressions=all --num-callers=48 --fullpath-after= --log-file=named-$server-valgrind-%p.log ";
+
+		if ($ENV{'USE_VALGRIND'} eq 'helgrind') {
+			$command .= "--tool=helgrind ";
+		} else {
+			$command .= "--tool=memcheck --track-origins=yes --leak-check=full ";
+		}
+
+		$command .= "$NAMED -m none ";
+	} else {
+		if ($taskset) {
+			$command = "taskset $taskset $NAMED ";
+		} else {
+			$command = "$NAMED ";
+		}
+	}
+
+	my $args_file = $testdir . "/" . $server . "/" . "named.args";
+
+	if ($options) {
+		$command .= $options;
+	} elsif (-e $args_file) {
+		open(my $fh, "<", $args_file) or die "unable to read args_file \"$args_file\" ($OS_ERROR)\n";
+
+		while(my $line=<$fh>) {
+			next if ($line =~ /^\s*$/); #discard blank lines
+			next if ($line =~ /^\s*#/); #discard comment lines
+
+			chomp $line;
+
+			$line =~ s/#.*$//;
+
+			$command .= $line;
+
+			last;
+		}
+	} else {
+		$command .= "-D $test-$server ";
+		$command .= "-X named.lock ";
+		$command .= "-m record ";
+
+		foreach my $t_option(
+			"dropedns", "ednsformerr", "ednsnotimp", "ednsrefused",
+			"noaa", "noedns", "nosoa", "maxudp512", "maxudp1460",
+		    ) {
+			if (-e "$testdir/$server/named.$t_option") {
+				$command .= "-T $t_option "
+			}
+		}
+
+		$command .= "-c named.conf -d 99 -g -U 4 -T maxcachesize=2097152";
+	}
+
+	if (-e "$testdir/$server/named.notcp") {
+		$command .= " -T notcp"
+	}
+
+	if ($restart) {
+		$command .= " >>named.run 2>&1 &";
+	} else {
+		$command .= " >named.run 2>&1 &";
+	}
+
+	# get the shell to report the pid of the server ($!)
+	$command .= " echo \$!";
+
+	return $command;
+}
+
+sub start_ns_server {
+	my ( $server, $options ) = @_;
+
+	my $cleanup_files;
+	my $command;
+	my $pid_file;
+
+	$cleanup_files = "{./*.jnl,./*.bk,./*.st,./named.run}";
+
+	$command = construct_ns_command($server, $options);
+
+	$pid_file = "named.pid";
+
+	if ($clean) {
+		unlink glob $cleanup_files;
+	}
+
+	start_server($server, $command, $pid_file);
+}
+
+sub construct_ans_command {
+	my ( $server, $options ) = @_;
+
+	my $command;
+	my $n;
+
+	if ($server =~ /^ans(\d+)/) {
+		$n = $1;
+	} else {
+		die "unable to parse server number from name \"$server\"\n";
+	}
+
+	if (-e "$testdir/$server/ans.py") {
+		$command = "$PYTHON -u ans.py 10.53.0.$n $queryport";
+	} elsif (-e "$testdir/$server/ans.pl") {
+		$command = "$PERL ans.pl";
+	} else {
+		$command = "$PERL $srcdir/ans.pl 10.53.0.$n";
+	}
+
+	if ($options) {
+		$command .= $options;
+	}
+
+	if ($restart) {
+		$command .= " >>ans.run 2>&1 &";
+	} else {
+		$command .= " >ans.run 2>&1 &";
+	}
+
+	# get the shell to report the pid of the server ($!)
+	$command .= " echo \$!";
+
+	return $command;
+}
+
+sub start_ans_server {
+	my ( $server, $options ) = @_;
+
+	my $cleanup_files;
+	my $command;
+	my $pid_file;
+
+	$cleanup_files = "{./ans.run}";
+	$command = construct_ans_command($server, $options);
+	$pid_file = "ans.pid";
+
+	if ($clean) {
+		unlink glob $cleanup_files;
+	}
+
+	start_server($server, $command, $pid_file);
+}
+
+sub count_running_lines {
+	my ( $server ) = @_;
+
+	my $runfile = "$testdir/$server/named.run";
+
+	# the shell *ought* to have created the file immediately, but this
+	# logic allows the creation to be delayed without issues
+	if (open(my $fh, "<", $runfile)) {
+		# the two non-whitespace blobs should be the date and time
+		# but we don't care about them really, only that they are there
+		return scalar(grep /^\S+ \S+ running\R/, <$fh>);
+	} else {
+		return 0;
+	}
+}
+
+sub verify_ns_server {
+	my ( $server, $instances_so_far ) = @_;
+
+	my $tries = 0;
+
+	while (count_running_lines($server) < $instances_so_far + 1) {
+		$tries++;
+
+		if ($tries >= 30) {
+			print "I:$test:server $server seems to have not started\n";
+			print "I:$test:failed\n";
+
+			system("$PERL $srcdir/stop.pl $test");
+
+			exit 1;
+		}
+
+		sleep 2;
+	}
+
+	$tries = 0;
+
+	my $port = read_ns_port($server);
+	my $tcp = "+tcp";
+	my $n;
+
+	if ($server =~ /^ns(\d+)/) {
+		$n = $1;
+	} else {
+		die "unable to parse server number from name \"$server\"\n";
+	}
+
+	if (-e "$testdir/$server/named.notcp") {
+		$tcp = "";
+	}
+
+	my $ip = "10.53.0.$n";
+	if (-e "$testdir/$server/named.ipv6-only") {
+		$ip = "fd92:7065:b8e:ffff::$n";
+	}
+
+	while (1) {
+		my $return = system("$DIG $tcp +noadd +nosea +nostat +noquest +nocomm +nocmd +noedns -p $port version.bind. chaos txt \@$ip > /dev/null");
+
+		last if ($return == 0);
+
+		$tries++;
+
+		if ($tries >= 30) {
+			print "I:$test:no response from $server\n";
+			print "I:$test:failed\n";
+
+			system("$PERL $srcdir/stop.pl $test");
+
+			exit 1;
+		}
+
+		sleep 2;
+	}
+}
diff --git a/bin/tests/system/start.sh.in b/bin/tests/system/start.sh.in
new file mode 100644
index 0000000..0e05845
--- /dev/null
+++ b/bin/tests/system/start.sh.in
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+builddir=@builddir@
+srcdir=@srcdir@
+
+# shellcheck source=conf.sh
+. "${builddir}/conf.sh"
+
+$PERL "${srcdir}/start.pl" "$@"
diff --git a/bin/tests/system/staticstub/clean.sh b/bin/tests/system/staticstub/clean.sh
new file mode 100755
index 0000000..f0dbe28
--- /dev/null
+++ b/bin/tests/system/staticstub/clean.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f tmp
+rm -f dig.out.*
+rm -f ns*/named.lock
+rm -f ns*/named.conf
+rm -f ns3/example.db
+rm -f ns3/undelegated.db
+rm -f ns4/sub.example.db
+rm -f ns?/named.memstats
+rm -f ns?/named.run
+rm -f ns?/named_dump.db
+rm -rf */*.signed
+rm -rf */K*
+rm -rf */dsset-*
+rm -rf */trusted.conf
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/staticstub/conf/bad01.conf b/bin/tests/system/staticstub/conf/bad01.conf
new file mode 100644
index 0000000..a849de4
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/bad01.conf
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# prefix cannot be specified in the address list field.
+zone "example.com" {
+	type static-stub;
+	server-addresses { 192.0.2.0/24; };
+};
diff --git a/bin/tests/system/staticstub/conf/bad02.conf b/bin/tests/system/staticstub/conf/bad02.conf
new file mode 100644
index 0000000..9c85d00
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/bad02.conf
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# server-names must be valid domain names.
+zone "example.com" {
+     type static-stub;
+     server-names { "\11.example.net"; };
+};
diff --git a/bin/tests/system/staticstub/conf/bad03.conf b/bin/tests/system/staticstub/conf/bad03.conf
new file mode 100644
index 0000000..b5aa0f4
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/bad03.conf
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# Explicit port specification is not allowed (for now).
+zone "example.com" {
+	type static-stub;
+	server-addresses { 192.0.2.2 port 5301; };
+};
diff --git a/bin/tests/system/staticstub/conf/bad04.conf b/bin/tests/system/staticstub/conf/bad04.conf
new file mode 100644
index 0000000..ec25b7a
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/bad04.conf
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# scoped address is not allowed.
+zone "example.com" {
+	type static-stub;
+	server-addresses { fe80::1%1; };
+};
diff --git a/bin/tests/system/staticstub/conf/bad05.conf b/bin/tests/system/staticstub/conf/bad05.conf
new file mode 100644
index 0000000..e47f412
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/bad05.conf
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# server-name must not be a subdomain of the zone name.
+zone "example.com" {
+	type static-stub;
+	# server-name equals to the zone name.
+	server-names { "example.com"; };
+};
diff --git a/bin/tests/system/staticstub/conf/bad06.conf b/bin/tests/system/staticstub/conf/bad06.conf
new file mode 100644
index 0000000..be75748
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/bad06.conf
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# server-name must not be a subdomain of the zone name.
+zone "example.com" {
+	type static-stub;
+	# server-name is a real subdomain of the zone name.
+	server-names { "ns.example.com"; };
+};
diff --git a/bin/tests/system/staticstub/conf/bad07.conf b/bin/tests/system/staticstub/conf/bad07.conf
new file mode 100644
index 0000000..dd1879f
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/bad07.conf
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# server-addresses must not be specified more than once.
+zone "example.com" {
+	type static-stub;
+	server-addresses { 192.0.2.1; };
+	server-addresses { 192.0.2.2; };
+};
diff --git a/bin/tests/system/staticstub/conf/bad08.conf b/bin/tests/system/staticstub/conf/bad08.conf
new file mode 100644
index 0000000..c389c9d
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/bad08.conf
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# server-names must not be specified more than once.
+zone "example.com" {
+	type static-stub;
+	server-names { ns1.example.net; };
+	server-names { ns2.example.net; };
+};
diff --git a/bin/tests/system/staticstub/conf/bad09.conf b/bin/tests/system/staticstub/conf/bad09.conf
new file mode 100644
index 0000000..09e92e6
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/bad09.conf
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# "primaries" isn't allowed for a static-stub zone (unlike a stub zone).
+zone "example.com" {
+	type static-stub;
+	primaries { 192.0.2.1; };
+};
diff --git a/bin/tests/system/staticstub/conf/bad10.conf b/bin/tests/system/staticstub/conf/bad10.conf
new file mode 100644
index 0000000..b9d2862
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/bad10.conf
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# "server-addresses" isn't allowed for a pure stub zone.
+# (or most of other types of zones, but confirming one case should be good
+# enough)
+zone "example.com" {
+	type stub;
+	server-addresses { 192.0.2.1; };
+};
diff --git a/bin/tests/system/staticstub/conf/bad11.conf b/bin/tests/system/staticstub/conf/bad11.conf
new file mode 100644
index 0000000..0b97e70
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/bad11.conf
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# "server-names" isn't allowed for a pure stub zone.
+# (or most of other types of zones, but confirming one case should be good
+# enough)
+zone "example.com" {
+	type stub;
+	server-names { "ns.example.net"; };
+};
diff --git a/bin/tests/system/staticstub/conf/good01.conf b/bin/tests/system/staticstub/conf/good01.conf
new file mode 100644
index 0000000..93f19af
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/good01.conf
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# both server-addresses and server-names can be specified.
+zone "example.com" {
+	type static-stub;
+	server-addresses { 192.0.2.1; };
+	server-names { "ns.example.net"; };
+};
diff --git a/bin/tests/system/staticstub/conf/good02.conf b/bin/tests/system/staticstub/conf/good02.conf
new file mode 100644
index 0000000..6a8a413
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/good02.conf
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# both IPv4 and IPv6 server-addresses should be allowable.
+zone "example.com" {
+	type static-stub;
+	server-addresses { 192.0.2.1; 2001:db8::53; };
+};
diff --git a/bin/tests/system/staticstub/conf/good03.conf b/bin/tests/system/staticstub/conf/good03.conf
new file mode 100644
index 0000000..faa9ab3
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/good03.conf
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# server-addresses can be empty, though it's meaningless.
+zone "example.com" {
+	type static-stub;
+	server-addresses {};
+};
diff --git a/bin/tests/system/staticstub/conf/good04.conf b/bin/tests/system/staticstub/conf/good04.conf
new file mode 100644
index 0000000..161e4f0
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/good04.conf
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# server-names can be empty, though it's meaningless.
+zone "example.com" {
+	type static-stub;
+	server-names {};
+};
diff --git a/bin/tests/system/staticstub/conf/good05.conf b/bin/tests/system/staticstub/conf/good05.conf
new file mode 100644
index 0000000..e1db2fd
--- /dev/null
+++ b/bin/tests/system/staticstub/conf/good05.conf
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+# Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# less common options
+zone "example.com" {
+	type static-stub;
+	allow-query { 127.0.0.1; };
+	zone-statistics yes;
+};
diff --git a/bin/tests/system/staticstub/knowngood.dig.out.rec b/bin/tests/system/staticstub/knowngood.dig.out.rec
new file mode 100644
index 0000000..e854082
--- /dev/null
+++ b/bin/tests/system/staticstub/knowngood.dig.out.rec
@@ -0,0 +1,18 @@
+
+; <<>> DiG 8.2 <<>> -p @10.53.0.3 data.child.example txt
+; (1 server found)
+;; res options: init recurs defnam dnsrch
+;; got answer:
+;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
+;; flags: qr rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1
+;; QUERY SECTION:
+;;	data.example, type = TXT, class = IN
+
+;; ANSWER SECTION:
+data.example.	5M IN TXT	"some" "test" "data"
+
+;; Total query time: 8 msec
+;; FROM: draco to SERVER: 10.53.0.3
+;; WHEN: Wed Jun 21 10:58:54 2000
+;; MSG SIZE  sent: 36  rcvd: 97
+
diff --git a/bin/tests/system/staticstub/ns1/named.conf.in b/bin/tests/system/staticstub/ns1/named.conf.in
new file mode 100644
index 0000000..985b932
--- /dev/null
+++ b/bin/tests/system/staticstub/ns1/named.conf.in
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+};
+
+zone "." { type primary; file "root.db"; };
diff --git a/bin/tests/system/staticstub/ns1/root.db b/bin/tests/system/staticstub/ns1/root.db
new file mode 100644
index 0000000..26bc039
--- /dev/null
+++ b/bin/tests/system/staticstub/ns1/root.db
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	120
+@			SOA	a.root-servers.nil. hostmaster.isc.org. 1 600 600 1200 600
+@			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.com.		NS	example.
+
+ns.example.net.		A	10.53.0.3
diff --git a/bin/tests/system/staticstub/ns2/named.conf.in b/bin/tests/system/staticstub/ns2/named.conf.in
new file mode 100644
index 0000000..55483ab
--- /dev/null
+++ b/bin/tests/system/staticstub/ns2/named.conf.in
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+include "trusted.conf";
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type static-stub;
+	server-addresses { 10.53.0.3; };
+	allow-query { !10.53.0.7; any; };
+};
+
+zone "example.org" {
+	type static-stub;
+	SERVER_CONFIG_PLACEHOLDER
+};
+
+zone "example.info" {
+	type static-stub;
+	server-addresses { ::1; }; #ns4
+};
+
+zone "undelegated" {
+	type static-stub;
+	server-addresses { 10.53.0.3; };
+};
diff --git a/bin/tests/system/staticstub/ns3/example.db.in b/bin/tests/system/staticstub/ns3/example.db.in
new file mode 100644
index 0000000..c3b7d81
--- /dev/null
+++ b/bin/tests/system/staticstub/ns3/example.db.in
@@ -0,0 +1,32 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	ns3.example. hostmaster.example. (
+				2010080900 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns4.example. ; fake
+example.		A	10.53.0.4    ; fake
+example.		AAAA	::1	     ; fake
+
+ns4.example.		A	10.53.0.4
+data.example.		TXT	"some" "test" "data"
+data2.example.		TXT	"2nd test data"
+data3.example.		TXT	"3rd test data"
+data4.example.		TXT	"4th test data"
+
+sub.example.		NS	ns.sub.example.
+ns.sub.example.		A	10.53.0.4
diff --git a/bin/tests/system/staticstub/ns3/example.org.db b/bin/tests/system/staticstub/ns3/example.org.db
new file mode 100644
index 0000000..aec2f99
--- /dev/null
+++ b/bin/tests/system/staticstub/ns3/example.org.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example.org		IN SOA	ns.example.org. hostmaster.example.org. (
+				2010080906 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.org.		NS	ns.example.org.
+ns.example.org.		A	10.53.0.3
+
+data.example.org.	TXT	"example org data"
diff --git a/bin/tests/system/staticstub/ns3/named.conf.in b/bin/tests/system/staticstub/ns3/named.conf.in
new file mode 100644
index 0000000..e6e49c3
--- /dev/null
+++ b/bin/tests/system/staticstub/ns3/named.conf.in
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+};
+
+EXAMPLE_ZONE_PLACEHOLDER
+
+zone "example.org" {
+	type primary;
+	file "example.org.db";
+};
+
+zone "undelegated" {
+	type primary;
+	file "undelegated.db.signed";
+};
diff --git a/bin/tests/system/staticstub/ns3/sign.sh b/bin/tests/system/staticstub/ns3/sign.sh
new file mode 100755
index 0000000..9d87137
--- /dev/null
+++ b/bin/tests/system/staticstub/ns3/sign.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=example.
+infile=example.db.in
+zonefile=example.db
+
+(cd ../ns4 && $SHELL -e sign.sh )
+
+cp ../ns4/dsset-sub.example. .
+
+keyname1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -f KSK -n zone $zone)
+cat $infile $keyname1.key $keyname2.key > $zonefile
+
+$SIGNER -g -o $zone $zonefile > /dev/null
+
+# Configure the resolving server with a trusted key.
+keyfile_to_static_ds $keyname2 > trusted.conf
+
+zone=undelegated
+infile=undelegated.db.in
+zonefile=undelegated.db
+keyname1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -f KSK -n zone $zone)
+cat $infile $keyname1.key $keyname2.key > $zonefile
+
+$SIGNER -g -o $zone $zonefile > /dev/null
+
+keyfile_to_static_ds $keyname2 >> trusted.conf
+cp trusted.conf ../ns2/trusted.conf
diff --git a/bin/tests/system/staticstub/ns3/undelegated.db.in b/bin/tests/system/staticstub/ns3/undelegated.db.in
new file mode 100644
index 0000000..a7010ef
--- /dev/null
+++ b/bin/tests/system/staticstub/ns3/undelegated.db.in
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+undelegated.		IN SOA	ns3.undelegated. hostmaster.undelegated. (
+				2010080900 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+undelegated.		NS	ns3.undelegated.
+undelegated.		A	10.53.0.4
+undelegated.		AAAA	::1
+ns3.undelegated.		A	10.53.0.3
diff --git a/bin/tests/system/staticstub/ns4/example.com.db b/bin/tests/system/staticstub/ns4/example.com.db
new file mode 100644
index 0000000..3db8fa4
--- /dev/null
+++ b/bin/tests/system/staticstub/ns4/example.com.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example.com		IN SOA	example. hostmaster.example. (
+				2010080701 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.com.		NS	example.
+
+data.example.com.	TXT	"example com data"
diff --git a/bin/tests/system/staticstub/ns4/example.info.db b/bin/tests/system/staticstub/ns4/example.info.db
new file mode 100644
index 0000000..169c70d
--- /dev/null
+++ b/bin/tests/system/staticstub/ns4/example.info.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example.info		IN SOA	ns.example.info. hostmaster.example.info. (
+				2010080902 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.info.		NS	ns.example.info.
+ns.example.info.	A	10.53.0.4
+
+data.example.info.	TXT	"example info data"
diff --git a/bin/tests/system/staticstub/ns4/example.org.db b/bin/tests/system/staticstub/ns4/example.org.db
new file mode 100644
index 0000000..69dc7e3
--- /dev/null
+++ b/bin/tests/system/staticstub/ns4/example.org.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example.org		IN SOA	ns.example.org. hostmaster.example.org. (
+				2010080908 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.org.		NS	ns.example.org.
+ns.example.org.		A	10.53.0.3
+
+data.example.org.	TXT	"example org data"
+data2.example.org.	TXT	"2nd example org data"
diff --git a/bin/tests/system/staticstub/ns4/named.conf.in b/bin/tests/system/staticstub/ns4/named.conf.in
new file mode 100644
index 0000000..40c2a17
--- /dev/null
+++ b/bin/tests/system/staticstub/ns4/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { ::1; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+};
+
+zone "example.com" {
+	type primary;
+	file "example.com.db";
+};
+
+zone "example.org" {
+	type primary;
+	file "example.org.db";
+};
+
+zone "sub.example" {
+	type primary;
+	file "sub.example.db.signed";
+};
+
+zone "example.info" {
+	type primary;
+	file "example.info.db";
+};
diff --git a/bin/tests/system/staticstub/ns4/sign.sh b/bin/tests/system/staticstub/ns4/sign.sh
new file mode 100755
index 0000000..0598016
--- /dev/null
+++ b/bin/tests/system/staticstub/ns4/sign.sh
@@ -0,0 +1,25 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=sub.example
+infile=${zone}.db.in
+zonefile=${zone}.db
+
+keyname1=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname2=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -f KSK -n zone $zone)
+
+cat $infile $keyname1.key $keyname2.key > $zonefile
+
+$SIGNER -o $zone $zonefile > /dev/null
diff --git a/bin/tests/system/staticstub/ns4/sub.example.db.in b/bin/tests/system/staticstub/ns4/sub.example.db.in
new file mode 100644
index 0000000..255396b
--- /dev/null
+++ b/bin/tests/system/staticstub/ns4/sub.example.db.in
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+sub.example.		IN SOA	ns.sub.example. hostmaster.example. (
+				2010080900 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+sub.example.		NS	ns.sub.example.
+ns.sub.example.		A	10.53.0.4
+
+data1.sub.example.	TXT	"1st sub test data"
+data2.sub.example.	TXT	"2nd sub test data"
+data3.sub.example.	TXT	"3rd sub test data"
diff --git a/bin/tests/system/staticstub/setup.sh b/bin/tests/system/staticstub/setup.sh
new file mode 100755
index 0000000..61c5621
--- /dev/null
+++ b/bin/tests/system/staticstub/setup.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in tmp
+sed 's/SERVER_CONFIG_PLACEHOLDER/server-names { "ns.example.net"; };/' tmp > ns2/named.conf
+
+copy_setports ns3/named.conf.in tmp
+sed 's/EXAMPLE_ZONE_PLACEHOLDER/zone "example" { type primary; file "example.db.signed"; };/' tmp > ns3/named.conf
+
+copy_setports ns4/named.conf.in ns4/named.conf
+
+cd ns3 && $SHELL -e sign.sh
diff --git a/bin/tests/system/staticstub/tests.sh b/bin/tests/system/staticstub/tests.sh
new file mode 100755
index 0000000..e0f5788
--- /dev/null
+++ b/bin/tests/system/staticstub/tests.sh
@@ -0,0 +1,219 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+status=0
+n=0
+
+for conf in conf/good*.conf
+do
+	n=$((n + 1))
+	echo_i "checking that $conf is accepted ($n)"
+	ret=0
+	$CHECKCONF "$conf" || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+done
+
+for conf in conf/bad*.conf
+do
+	n=$((n + 1))
+	echo_i "checking that $conf is rejected ($n)"
+	ret=0
+	$CHECKCONF "$conf" >/dev/null && ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+done
+
+n=$((n + 1))
+echo_i "trying an axfr that should be denied (NOTAUTH) ($n)"
+ret=0
+$DIG $DIGOPTS +tcp data.example. @10.53.0.2 axfr > dig.out.ns2.test$n || ret=1
+grep "; Transfer failed." dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "non recursive query for a static-stub zone with server name should be rejected ($n)"
+ret=0
+ $DIG $DIGOPTS +tcp +norec data.example. @10.53.0.2 txt > dig.out.ns2.test$n \
+ 	|| ret=1
+grep "REFUSED" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "non recursive query for a static-stub zone with server name should be rejected ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +norec data.example.org. @10.53.0.2 txt > dig.out.ns2.test$n \
+	|| ret=1
+grep "REFUSED" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "allow-query ACL ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +norec data.example. @10.53.0.2 txt -b 10.53.0.7 \
+	> dig.out.ns2.test$n || ret=1
+grep "REFUSED" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "look for static-stub zone data with recursion (should be found) ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +noauth data.example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+digcomp knowngood.dig.out.rec dig.out.ns2.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking authoritative NS is ignored for delegation ($n)"
+ret=0
+# the auth server returns a different (and incorrect) NS for .example.
+$DIG $DIGOPTS +tcp example. @10.53.0.2 ns > dig.out.ns2.test1.$n || ret=1
+grep "ns4.example." dig.out.ns2.test1.$n > /dev/null || ret=1
+# but static-stub configuration should still be used
+$DIG $DIGOPTS +tcp data2.example. @10.53.0.2 txt > dig.out.ns2.test2.$n || ret=1
+grep "2nd test data" dig.out.ns2.test2.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking queries for a child zone of the static-stub zone ($n)"
+ret=0
+# prime the delegation to a child zone of the static-stub zone
+$DIG $DIGOPTS +tcp data1.sub.example. @10.53.0.2 txt > dig.out.ns2.test1.$n || ret=1
+grep "1st sub test data" dig.out.ns2.test1.$n > /dev/null || ret=1
+# temporarily disable the the parent zone
+copy_setports ns3/named.conf.in tmp
+sed 's/EXAMPLE_ZONE_PLACEHOLDER//' tmp > ns3/named.conf
+rndc_reload ns3 10.53.0.3
+# query the child zone again.  this should directly go to the child and
+# succeed.
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	$DIG $DIGOPTS +tcp data2.sub.example. @10.53.0.2 txt > dig.out.ns2.test2.$n || ret=1
+	grep "2nd sub test data" dig.out.ns2.test2.$n > /dev/null && break
+	sleep 1
+done
+grep "2nd sub test data" dig.out.ns2.test2.$n > /dev/null || ret=1
+# re-enable the parent
+copy_setports ns3/named.conf.in tmp
+sed 's/EXAMPLE_ZONE_PLACEHOLDER/zone "example" { type primary; file "example.db.signed"; };/' tmp > ns3/named.conf
+rndc_reload ns3 10.53.0.3
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking authoritative NS addresses are ignored for delegation ($n)"
+ret=0
+# the auth server returns a different (and incorrect) A/AAA RR for .example.
+$DIG $DIGOPTS +tcp example. @10.53.0.2 a > dig.out.ns2.test1.$n || ret=1
+grep "10.53.0.4" dig.out.ns2.test1.$n > /dev/null || ret=1
+$DIG $DIGOPTS +tcp example. @10.53.0.2 aaaa > dig.out.ns2.test2.$n || ret=1
+grep "::1" dig.out.ns2.test2.$n > /dev/null || ret=1
+# reload the server.  this will flush the ADB.
+rndc_reload ns2 10.53.0.2
+# ask another RR that would require delegation.  static-stub configuration
+# should still be used instead of the authoritative A/AAAA cached above.
+$DIG $DIGOPTS +tcp data3.example. @10.53.0.2 txt > dig.out.ns2.test3.$n || ret=1
+grep "3rd test data" dig.out.ns2.test3.$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# the authoritative server of the query domain (example.com) is the apex
+# name of the static-stub zone (example).  in this case the static-stub
+# configuration must be ignored and cached information must be used.
+n=$((n + 1))
+echo_i "checking NS of static-stub is ignored when referenced from other domain ($n)"
+ret=0
+$DIG $DIGOPTS +tcp data.example.com. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "example com data" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# check server-names
+n=$((n + 1))
+echo_i "checking static-stub with a server-name ($n)"
+ret=0
+$DIG $DIGOPTS +tcp data.example.org. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "example org data" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+# Note: for a short term workaround we use ::1, assuming it's configured and
+# usable for our tests.  We should eventually use the test ULA and available
+# checks introduced in change 2916.
+if testsock6 ::1
+then
+    echo_i "checking IPv6 static-stub address ($n)"
+    ret=0
+    $DIG $DIGOPTS +tcp data.example.info. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+    grep "example info data" dig.out.ns2.test$n > /dev/null || ret=1
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status + ret))
+else
+    echo_i "SKIPPED: checking IPv6 static-stub address ($n)"
+fi
+
+n=$((n + 1))
+echo_i "look for static-stub zone data with DNSSEC validation ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +dnssec data4.example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "ad; QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep "4th test data" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "look for a child of static-stub zone data with DNSSEC validation ($n)"
+ret=0
+$DIG $DIGOPTS +tcp +dnssec data3.sub.example. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "ad; QUERY" dig.out.ns2.test$n > /dev/null || ret=1
+grep "3rd sub test data" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# reload with a different name server: existing zone shouldn't be reused.
+n=$((n + 1))
+echo_i "checking server reload with a different static-stub config ($n)"
+ret=0
+copy_setports ns2/named.conf.in tmp
+sed 's/SERVER_CONFIG_PLACEHOLDER/server-addresses { 10.53.0.4; };/' tmp > ns2/named.conf
+rndc_reload ns2 10.53.0.2
+$DIG $DIGOPTS +tcp data2.example.org. @10.53.0.2 txt > dig.out.ns2.test$n || ret=1
+grep "2nd example org data" dig.out.ns2.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking static-stub of a undelegated tld resolves after DS query ($n)"
+ret=0
+$DIG $DIGOPTS undelegated. @10.53.0.2 ds > dig.out.ns2.ds.test$n
+$DIG $DIGOPTS undelegated. @10.53.0.2 soa > dig.out.ns2.soa.test$n
+grep "status: NXDOMAIN" dig.out.ns2.ds.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns2.soa.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/staticstub/tests_sh_staticstub.py b/bin/tests/system/staticstub/tests_sh_staticstub.py
new file mode 100644
index 0000000..52c661c
--- /dev/null
+++ b/bin/tests/system/staticstub/tests_sh_staticstub.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_staticstub(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/statistics/ans4/ans.pl b/bin/tests/system/statistics/ans4/ans.pl
new file mode 100644
index 0000000..3a37a82
--- /dev/null
+++ b/bin/tests/system/statistics/ans4/ans.pl
@@ -0,0 +1,118 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Ad hoc name server
+#
+
+use IO::File;
+use IO::Socket;
+use Net::DNS;
+use Net::DNS::Packet;
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $sock = IO::Socket::INET->new(LocalAddr => "10.53.0.4",
+   LocalPort => $localport, Proto => "udp") or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+for (;;) {
+	$sock->recv($buf, 512);
+
+	print "**** request from " , $sock->peerhost, " port ", $sock->peerport, "\n";
+
+	my $packet;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$packet = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($packet, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	print "REQUEST:\n";
+	$packet->print;
+
+	$packet->header->qr(1);
+
+	my @questions = $packet->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+
+	my $donotrespond = 0;
+
+	if ($qname eq "foo.info") {
+		$donotrespond = 1;
+	} elsif ($qname eq "cname1.example.com") {
+		# Data for the "cname + other data / 1" test
+		$packet->push("answer", new Net::DNS::RR("cname1.example.com 300 CNAME cname1.example.com"));
+		$packet->push("answer", new Net::DNS::RR("cname1.example.com 300 A 1.2.3.4"));
+	} elsif ($qname eq "cname2.example.com") {
+		# Data for the "cname + other data / 2" test: same RRs in opposite order
+		$packet->push("answer", new Net::DNS::RR("cname2.example.com 300 A 1.2.3.4"));
+		$packet->push("answer", new Net::DNS::RR("cname2.example.com 300 CNAME cname2.example.com"));
+	} elsif ($qname eq "www.example.org" || $qname eq "www.example.net" ||
+		 $qname eq "badcname.example.org" ||
+		 $qname eq "goodcname.example.org" ||
+		 $qname eq "foo.baddname.example.org" ||
+		 $qname eq "foo.gooddname.example.org") {
+		# Data for address/alias filtering.
+		$packet->header->aa(1);
+		if ($qtype eq "A") {
+			$packet->push("answer",
+				      new Net::DNS::RR($qname .
+						       " 300 A 192.0.2.1"));
+		} elsif ($qtype eq "AAAA") {
+			$packet->push("answer",
+				      new Net::DNS::RR($qname .
+						" 300 AAAA 2001:db8:beef::1"));
+		}
+	} elsif ($qname eq "badcname.example.net" ||
+		 $qname eq "goodcname.example.net") {
+		# Data for CNAME/DNAME filtering.  We need to make one-level
+		# delegation to avoid automatic acceptance for subdomain aliases
+		$packet->push("authority", new Net::DNS::RR("example.net 300 NS ns.example.net"));
+		$packet->push("additional", new Net::DNS::RR("ns.example.net 300 A 10.53.0.3"));
+	} elsif ($qname =~ /^nodata\.example\.net$/i) {
+		$packet->header->aa(1);
+	} elsif ($qname =~ /^nxdomain\.example\.net$/i) {
+		$packet->header->aa(1);
+		$packet->header->rcode(NXDOMAIN);
+	} elsif ($qname =~ /sub\.example\.org/) {
+		# Data for CNAME/DNAME filtering.  The final answers are
+		# expected to be accepted regardless of the filter setting.
+		$packet->push("authority", new Net::DNS::RR("sub.example.org 300 NS ns.sub.example.org"));
+		$packet->push("additional", new Net::DNS::RR("ns.sub.example.org 300 A 10.53.0.3"));
+	} else {
+		# Data for the "bogus referrals" test
+		$packet->push("authority", new Net::DNS::RR("below.www.example.com 300 NS ns.below.www.example.com"));
+		$packet->push("additional", new Net::DNS::RR("ns.below.www.example.com 300 A 10.53.0.3"));
+	}
+
+	if ($donotrespond == 0) {
+		$sock->send($packet->data);
+		print "RESPONSE:\n";
+		$packet->print;
+		print "\n";
+	}
+}
diff --git a/bin/tests/system/statistics/clean.sh b/bin/tests/system/statistics/clean.sh
new file mode 100644
index 0000000..37fa7dc
--- /dev/null
+++ b/bin/tests/system/statistics/clean.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after zone transfer tests.
+#
+
+rm -f ns3/example.bk
+rm -f ns3/internal.bk
+rm -f */named.conf
+rm -f */named.memstats
+rm -f */named.run
+rm -f */ans.run
+rm -f */named.stats
+rm -f */named.stats-stage*
+rm -f dig.out*
+rm -f curl.out.*
+rm -f ns*/named.lock
+rm -f stats*out
+rm -f ns*/managed-keys.bind*
+rm -f xsltproc.out.*
+rm -f named.stats.* ns*/named.stats.*
diff --git a/bin/tests/system/statistics/ns1/named.conf.in b/bin/tests/system/statistics/ns1/named.conf.in
new file mode 100644
index 0000000..8fd14f9
--- /dev/null
+++ b/bin/tests/system/statistics/ns1/named.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+statistics-channels {
+	inet 10.53.0.1 port @EXTRAPORT1@ allow { any; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example.info." {
+	type primary;
+	file "example-info.db";
+};
+
+zone "32/1.0.0.127-in-addr.example." {
+	type primary;
+	file "zone.db";
+};
diff --git a/bin/tests/system/statistics/ns1/root.db b/bin/tests/system/statistics/ns1/root.db
new file mode 100644
index 0000000..17780d1
--- /dev/null
+++ b/bin/tests/system/statistics/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/statistics/ns1/zone.db b/bin/tests/system/statistics/ns1/zone.db
new file mode 100644
index 0000000..7feee2c
--- /dev/null
+++ b/bin/tests/system/statistics/ns1/zone.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@		3600	IN SOA	ns.example. hostmaster.example. 1 3600 1200 604800 3600
+@		3600	IN NS	ns.example.
+ns.example.	3600	IN A	10.53.0.1
diff --git a/bin/tests/system/statistics/ns2/example.db b/bin/tests/system/statistics/ns2/example.db
new file mode 100644
index 0000000..4d60ce3
--- /dev/null
+++ b/bin/tests/system/statistics/ns2/example.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+
+$ORIGIN example.
+a			A	10.0.0.1
+			MX	10 mail.example.
+
+mail			A	10.0.0.2
diff --git a/bin/tests/system/statistics/ns2/internal.db b/bin/tests/system/statistics/ns2/internal.db
new file mode 100644
index 0000000..4f1014f
--- /dev/null
+++ b/bin/tests/system/statistics/ns2/internal.db
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				2          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+example.		NS	ns3.example.
+ns3.example.		A	10.53.0.3
+
+$ORIGIN example.
+a			A	10.1.0.1
+			MX	10 intmail.example.
+
+intmail			A	10.1.0.2
diff --git a/bin/tests/system/statistics/ns2/named.conf.in b/bin/tests/system/statistics/ns2/named.conf.in
new file mode 100644
index 0000000..48fb8b4
--- /dev/null
+++ b/bin/tests/system/statistics/ns2/named.conf.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+};
+
+statistics-channels {
+	inet 10.53.0.2 port @EXTRAPORT1@ allow { any; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-update { any; };
+};
diff --git a/bin/tests/system/statistics/ns2/named2.conf.in b/bin/tests/system/statistics/ns2/named2.conf.in
new file mode 100644
index 0000000..d370931
--- /dev/null
+++ b/bin/tests/system/statistics/ns2/named2.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+};
+
+statistics-channels {
+	inet 10.53.0.2 port @EXTRAPORT1@ allow { any; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-update { any; };
+	zone-statistics full;
+};
diff --git a/bin/tests/system/statistics/ns3/internal.db b/bin/tests/system/statistics/ns3/internal.db
new file mode 100644
index 0000000..c93c2b0
--- /dev/null
+++ b/bin/tests/system/statistics/ns3/internal.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns3.example.
+ns3.example.		A	10.53.0.3
+
+$ORIGIN example.
+a			A	10.1.0.1
+			MX	10 intmail.example.
+
+intmail			A	10.1.0.2
diff --git a/bin/tests/system/statistics/ns3/named.conf.in b/bin/tests/system/statistics/ns3/named.conf.in
new file mode 100644
index 0000000..4cc712d
--- /dev/null
+++ b/bin/tests/system/statistics/ns3/named.conf.in
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	qname-minimization disabled;
+	zone-statistics yes;
+};
+
+statistics-channels {
+	inet 10.53.0.3 port @EXTRAPORT1@ allow { any; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
+
+zone "example" {
+	type primary;
+	allow-update { any; };
+	file "internal.db";
+};
+
+zone "a-secondary" {
+	type secondary;
+	file "sec.bk";
+	primaries { 10.53.0.1; };
+};
diff --git a/bin/tests/system/statistics/ns3/root.hint b/bin/tests/system/statistics/ns3/root.hint
new file mode 100644
index 0000000..0f5c701
--- /dev/null
+++ b/bin/tests/system/statistics/ns3/root.hint
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+;
+; The configured root server is intentionally bad here,
+; so we can count queries "on fly", priming and the other
+; counters that would be immediately resolved if the root
+; nameservers would work.
+;
+
+$TTL 999999
+.			 IN NS	d.root-servers.nil.
+d.root-servers.nil.	 IN A	10.53.0.4
diff --git a/bin/tests/system/statistics/setup.sh b/bin/tests/system/statistics/setup.sh
new file mode 100644
index 0000000..7ffda55
--- /dev/null
+++ b/bin/tests/system/statistics/setup.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
diff --git a/bin/tests/system/statistics/tests.sh b/bin/tests/system/statistics/tests.sh
new file mode 100644
index 0000000..af57b60
--- /dev/null
+++ b/bin/tests/system/statistics/tests.sh
@@ -0,0 +1,282 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGCMD="$DIG +tcp -p ${PORT}"
+RNDCCMD="$RNDC -p ${CONTROLPORT} -c ../common/rndc.conf"
+
+status=0
+
+ret=0
+n=1
+stats=0
+nsock0nstat=0
+nsock1nstat=0
+rndc_stats() {
+	_ns=$1
+	_ip=$2
+
+	$RNDCCMD -s $_ip stats > /dev/null 2>&1 || return 1
+	[ -f "${_ns}/named.stats" ] || return 1
+
+	last_stats=named.stats.$_ns-$stats-$n
+	mv ${_ns}/named.stats $last_stats
+	stats=$((stats+1))
+}
+
+echo_i "fetching a.example from ns2's initial configuration ($n)"
+$DIGCMD +noauth a.example. @10.53.0.2 any > dig.out.ns2.1 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "dumping initial stats for ns2 ($n)"
+rndc_stats ns2 10.53.0.2 || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "verifying adb records in named.stats ($n)"
+grep "ADB stats" $last_stats > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "checking for 1 entry in adb hash table in named.stats ($n)"
+grep "1 Addresses in hash table" $last_stats > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "verifying cache statistics in named.stats ($n)"
+grep "Cache Statistics" $last_stats > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "checking for 2 entries in adb hash table in named.stats ($n)"
+$DIGCMD a.example.info. @10.53.0.2 any > /dev/null 2>&1
+rndc_stats ns2 10.53.0.2 || ret=1
+grep "2 Addresses in hash table" $last_stats > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "dumping initial stats for ns3 ($n)"
+rndc_stats ns3 10.53.0.3 || ret=1
+nsock0nstat=$(grep "UDP/IPv4 sockets active" $last_stats | awk '{print $1}')
+[ 0 -ne ${nsock0nstat} ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "sending queries to ns3"
+$DIGCMD +tries=2 +time=1 +recurse @10.53.0.3 foo.info. any > /dev/null 2>&1 || true
+
+ret=0
+echo_i "dumping updated stats for ns3 ($n)"
+getstats() {
+    rndc_stats ns3 10.53.0.3 || return 1
+    grep "2 recursing clients" $last_stats > /dev/null || return 1
+}
+retry_quiet 5 getstats || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "verifying recursing clients output in named.stats ($n)"
+grep "2 recursing clients" $last_stats > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "verifying active fetches output in named.stats ($n)"
+grep "1 active fetches" $last_stats > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "verifying active sockets output in named.stats ($n)"
+nsock1nstat=$(grep "UDP/IPv4 sockets active" $last_stats | awk '{print $1}')
+[ $((nsock1nstat - nsock0nstat)) -eq 1 ] || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# there should be 1 UDP and no TCP queries.  As the TCP counter is zero
+# no status line is emitted.
+ret=0
+echo_i "verifying queries in progress in named.stats ($n)"
+grep "1 UDP queries in progress" $last_stats > /dev/null || ret=1
+grep "TCP queries in progress" $last_stats > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "verifying bucket size output ($n)"
+grep "bucket size" $last_stats > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "checking priming queries are counted ($n)"
+grep "priming queries" $last_stats > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "checking that zones with slash are properly shown in XML output ($n)"
+if $FEATURETEST --have-libxml2 && [ -x ${CURL} ] ; then
+    ${CURL} http://10.53.0.1:${EXTRAPORT1}/xml/v3/zones > curl.out.${n} 2>/dev/null || ret=1
+    grep '<zone name="32/1.0.0.127-in-addr.example" rdataclass="IN">' curl.out.${n} > /dev/null || ret=1
+else
+    echo_i "skipping test as libxml2 and/or curl was not found"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "checking that zones return their type ($n)"
+if $FEATURETEST --have-libxml2 && [ -x ${CURL} ] ; then
+    ${CURL} http://10.53.0.1:${EXTRAPORT1}/xml/v3/zones > curl.out.${n} 2>/dev/null || ret=1
+    grep '<zone name="32/1.0.0.127-in-addr.example" rdataclass="IN"><type>primary</type>' curl.out.${n} > /dev/null || ret=1
+else
+    echo_i "skipping test as libxml2 and/or curl was not found"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "checking bind9.xsl vs xml ($n)"
+if $FEATURETEST --have-libxml2 && "${CURL}" --http1.1 http://10.53.0.3:${EXTRAPORT1} > /dev/null 2>&1 && [ -x "${XSLTPROC}" ]  ; then
+    $DIGCMD +notcp +recurse @10.53.0.3 soa . > dig.out.test$n.1 2>&1
+    $DIGCMD +notcp +recurse @10.53.0.3 soa example > dig.out.test$n.2 2>&1
+    # check multiple requests over the same socket
+    time1=$($PERL -e 'print time(), "\n";')
+    ${CURL} --http1.1 -o curl.out.${n}.xml http://10.53.0.3:${EXTRAPORT1}/xml/v3 \
+	    -o curl.out.${n}.xsl http://10.53.0.3:${EXTRAPORT1}/bind9.xsl 2>/dev/null || ret=1
+    time2=$($PERL -e 'print time(), "\n";')
+    test $((time2 - time1)) -lt 5 || ret=1
+    diff ${TOP_SRCDIR}/bin/named/bind9.xsl curl.out.${n}.xsl || ret=1
+    ${XSLTPROC} curl.out.${n}.xsl - < curl.out.${n}.xml > xsltproc.out.${n} 2>/dev/null || ret=1
+    cp curl.out.${n}.xml stats.xml.out || ret=1
+
+    #
+    # grep for expected sections.
+    #
+    grep "<h1>ISC Bind 9 Configuration and Statistics</h1>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Server Status</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Incoming Requests by DNS Opcode</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h3>Incoming Queries by Query Type</h3>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Outgoing Queries per view</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h3>View " xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Server Statistics</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Zone Maintenance Statistics</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    # grep "<h2>Resolver Statistics (Common)</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h3>Resolver Statistics for View " xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h3>ADB Statistics for View " xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h3>Cache Statistics for View " xsltproc.out.${n} >/dev/null || ret=1
+    # grep "<h3>Cache DB RRsets for View " xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Traffic Size Statistics</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h4>UDP Requests Received</h4>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h4>UDP Responses Sent</h4>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h4>TCP Requests Received</h4>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h4>TCP Responses Sent</h4>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Socket I/O Statistics</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h3>Zones for View " xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Received QTYPES per view/zone</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h3>View _default" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h4>Zone example" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Response Codes per view/zone</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h3>View _default" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h4>Zone example" xsltproc.out.${n} >/dev/null || ret=1
+    # grep "<h2>Glue cache statistics</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h3>View _default" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h4>Zone example" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Task Manager Configuration</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Tasks</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Memory Usage Summary</h2>" xsltproc.out.${n} >/dev/null || ret=1
+    grep "<h2>Memory Contexts</h2>" xsltproc.out.${n} >/dev/null || ret=1
+else
+    echo_i "skipping test as libxml2 and/or curl with HTTP/1.1 support and/or xsltproc was not found"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "checking bind9.xml socket statistics ($n)"
+if $FEATURETEST --have-libxml2 && [ -e stats.xml.out ] && [ -x "${XSLTPROC}" ]  ; then
+    # Socket statistics (expect no errors)
+    grep "<counter name=\"TCP4AcceptFail\">0</counter>" stats.xml.out >/dev/null || ret=1
+    grep "<counter name=\"TCP4BindFail\">0</counter>" stats.xml.out >/dev/null || ret=1
+    grep "<counter name=\"TCP4ConnFail\">0</counter>" stats.xml.out >/dev/null || ret=1
+    grep "<counter name=\"TCP4OpenFail\">0</counter>" stats.xml.out >/dev/null || ret=1
+    grep "<counter name=\"TCP4RecvErr\">0</counter>" stats.xml.out >/dev/null || ret=1
+    # grep "<counter name=\"TCP4SendErr\">0</counter>" stats.xml.out >/dev/null || ret=1
+
+    grep "<counter name=\"TCP6AcceptFail\">0</counter>" stats.xml.out >/dev/null || ret=1
+    grep "<counter name=\"TCP6BindFail\">0</counter>" stats.xml.out >/dev/null || ret=1
+    grep "<counter name=\"TCP6ConnFail\">0</counter>" stats.xml.out >/dev/null || ret=1
+    grep "<counter name=\"TCP6OpenFail\">0</counter>" stats.xml.out >/dev/null || ret=1
+    grep "<counter name=\"TCP6RecvErr\">0</counter>" stats.xml.out >/dev/null || ret=1
+    grep "<counter name=\"TCP6SendErr\">0</counter>" stats.xml.out >/dev/null || ret=1
+else
+    echo_i "skipping test as libxml2 and/or stats.xml.out file and/or xsltproc was not found"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "Check that 'zone-statistics full;' is processed by 'rndc reconfig' ($n)"
+ret=0
+# off by default
+rndc_stats ns2 10.53.0.2 || ret=1
+sed -n '/Per Zone Query Statistics/,/^++/p' $last_stats | grep -F '[example]' > /dev/null && ret=0
+# turn on
+copy_setports ns2/named2.conf.in ns2/named.conf
+rndc_reconfig ns2 10.53.0.2
+rndc_stats ns2 10.53.0.2 || ret=1
+sed -n '/Per Zone Query Statistics/,/^++/p' $last_stats | grep -F '[example]' > /dev/null || ret=1
+# turn off
+copy_setports ns2/named.conf.in ns2/named.conf
+rndc_reconfig ns2 10.53.0.2
+rndc_stats ns2 10.53.0.2 || ret=1
+sed -n '/Per Zone Query Statistics/,/^++/p' $last_stats | grep -F '[example]' > /dev/null && ret=0
+# turn on
+copy_setports ns2/named2.conf.in ns2/named.conf
+rndc_reconfig ns2 10.53.0.2
+rndc_stats ns2 10.53.0.2 || ret=1
+sed -n '/Per Zone Query Statistics/,/^++/p' $last_stats | grep -F '[example]' > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/statistics/tests_sh_statistics.py b/bin/tests/system/statistics/tests_sh_statistics.py
new file mode 100644
index 0000000..d87688f
--- /dev/null
+++ b/bin/tests/system/statistics/tests_sh_statistics.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_statistics(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/statschannel/clean.sh b/bin/tests/system/statschannel/clean.sh
new file mode 100644
index 0000000..b0ab571
--- /dev/null
+++ b/bin/tests/system/statschannel/clean.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ./Kdnssec*
+rm -f bind9.xsl.1 bind9.xsl.2 bind9.xsl.3
+rm -f compressed.headers regular.headers compressed.out regular.out
+rm -f dig.out*
+rm -f nc.out* curl.out* header.in*
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.conf
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/named.run*
+rm -f ns*/named.stats
+rm -f ns*/signzone.out.*
+rm -f ns2/*.db.signed* ns2/dsset-*. ns2/*.jbk
+rm -f ns2/Kdnssec* ns2/dnssec.*.id
+rm -f ns2/Kmanykeys* ns2/manykeys.*.id
+rm -f ns2/dnssec.db.signed* ns2/dsset-dnssec.
+rm -f ns3/*.db
+rm -f traffic traffic.out.* traffic.json.* traffic.xml.*
+rm -f xml.*mem json.*mem
+rm -f xml.*stats json.*stats
+rm -f zones zones.out.* zones.json.* zones.xml.* zones.expect.*
+rm -rf ./__pycache__
diff --git a/bin/tests/system/statschannel/conftest.py b/bin/tests/system/statschannel/conftest.py
new file mode 100644
index 0000000..363dd7a
--- /dev/null
+++ b/bin/tests/system/statschannel/conftest.py
@@ -0,0 +1,25 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import os
+import pytest
+
+
+@pytest.fixture
+def statsport(request):
+    # pylint: disable=unused-argument
+    env_port = os.getenv("EXTRAPORT1")
+    if env_port is None:
+        env_port = 5301
+    else:
+        env_port = int(env_port)
+
+    return env_port
diff --git a/bin/tests/system/statschannel/fetch.pl b/bin/tests/system/statschannel/fetch.pl
new file mode 100644
index 0000000..b09ed54
--- /dev/null
+++ b/bin/tests/system/statschannel/fetch.pl
@@ -0,0 +1,43 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# fetch.pl:
+# Simple script to fetch HTTP content from the statistics channel
+# of a BIND server. Fetches the full XML stats from 10.53.0.2 port
+# 8853 by default; these can be overridden by command line arguments.
+
+use File::Fetch;
+use Getopt::Std;
+
+sub usage {
+    print ("Usage: fetch.pl [-s address] [-p port] [path]\n");
+    exit 1;
+}
+
+my %options={};
+getopts("s:p:", \%options);
+
+my $addr = "10.53.0.2";
+$addr = $options{s} if defined $options{s};
+
+my $path = 'xml/v3';
+if (@ARGV >= 1) {
+    $path = shift @ARGV;
+}
+
+my $port = 8853;
+$port = $options{p} if defined $options{p};
+
+my $ff = File::Fetch->new(uri => "http://$addr:$port/$path");
+my $file = $ff->fetch() or die $ff->error;
+print ("$file\n");
diff --git a/bin/tests/system/statschannel/generic.py b/bin/tests/system/statschannel/generic.py
new file mode 100644
index 0000000..bf4b038
--- /dev/null
+++ b/bin/tests/system/statschannel/generic.py
@@ -0,0 +1,108 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from datetime import datetime, timedelta
+import os
+
+
+# ISO datetime format without msec
+fmt = "%Y-%m-%dT%H:%M:%SZ"
+
+# The constants were taken from BIND 9 source code (lib/dns/zone.c)
+max_refresh = timedelta(seconds=2419200)  # 4 weeks
+max_expires = timedelta(seconds=14515200)  # 24 weeks
+now = datetime.utcnow().replace(microsecond=0)
+dayzero = datetime.utcfromtimestamp(0).replace(microsecond=0)
+
+
+# Generic helper functions
+def check_expires(expires, min_time, max_time):
+    assert expires >= min_time
+    assert expires <= max_time
+
+
+def check_refresh(refresh, min_time, max_time):
+    assert refresh >= min_time
+    assert refresh <= max_time
+
+
+def check_loaded(loaded, expected):  # pylint: disable=unused-argument
+    # Sanity check the zone timers values
+    # NOTE This check has been disabled due to GL #3983
+    # assert loaded == expected
+    # assert loaded < now
+    pass
+
+
+def check_zone_timers(loaded, expires, refresh, loaded_exp):
+    # Sanity checks the zone timers values
+    if expires is not None:
+        check_expires(expires, now, now + max_expires)
+    if refresh is not None:
+        check_refresh(refresh, now, now + max_refresh)
+    check_loaded(loaded, loaded_exp)
+
+
+#
+# The output is gibberish, but at least make sure it does not crash.
+#
+def check_manykeys(name, zone=None):
+    # pylint: disable=unused-argument
+    assert name == "manykeys"
+
+
+def zone_mtime(zonedir, name):
+    try:
+        si = os.stat(os.path.join(zonedir, "{}.db".format(name)))
+    except FileNotFoundError:
+        return dayzero
+
+    mtime = datetime.utcfromtimestamp(si.st_mtime).replace(microsecond=0)
+
+    return mtime
+
+
+def test_zone_timers_primary(fetch_zones, load_timers, **kwargs):
+    statsip = kwargs["statsip"]
+    statsport = kwargs["statsport"]
+    zonedir = kwargs["zonedir"]
+
+    zones = fetch_zones(statsip, statsport)
+
+    for zone in zones:
+        (name, loaded, expires, refresh) = load_timers(zone, True)
+        mtime = zone_mtime(zonedir, name)
+        check_zone_timers(loaded, expires, refresh, mtime)
+
+
+def test_zone_timers_secondary(fetch_zones, load_timers, **kwargs):
+    statsip = kwargs["statsip"]
+    statsport = kwargs["statsport"]
+    zonedir = kwargs["zonedir"]
+
+    zones = fetch_zones(statsip, statsport)
+
+    for zone in zones:
+        (name, loaded, expires, refresh) = load_timers(zone, False)
+        mtime = zone_mtime(zonedir, name)
+        check_zone_timers(loaded, expires, refresh, mtime)
+
+
+def test_zone_with_many_keys(fetch_zones, load_zone, **kwargs):
+    statsip = kwargs["statsip"]
+    statsport = kwargs["statsport"]
+
+    zones = fetch_zones(statsip, statsport)
+
+    for zone in zones:
+        name = load_zone(zone)
+        if name == "manykeys":
+            check_manykeys(name)
diff --git a/bin/tests/system/statschannel/generic_dnspython.py b/bin/tests/system/statschannel/generic_dnspython.py
new file mode 100644
index 0000000..34a0398
--- /dev/null
+++ b/bin/tests/system/statschannel/generic_dnspython.py
@@ -0,0 +1,128 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from collections import defaultdict
+
+import dns.message
+import dns.query
+import dns.rcode
+
+
+TIMEOUT = 10
+
+
+def create_msg(qname, qtype):
+    msg = dns.message.make_query(
+        qname, qtype, want_dnssec=True, use_edns=0, payload=4096
+    )
+
+    return msg
+
+
+def udp_query(ip, port, msg):
+    ans = dns.query.udp(msg, ip, TIMEOUT, port=port)
+    assert ans.rcode() == dns.rcode.NOERROR
+
+    return ans
+
+
+def tcp_query(ip, port, msg):
+    ans = dns.query.tcp(msg, ip, TIMEOUT, port=port)
+    assert ans.rcode() == dns.rcode.NOERROR
+
+    return ans
+
+
+def create_expected(data):
+    expected = {
+        "dns-tcp-requests-sizes-received-ipv4": defaultdict(int),
+        "dns-tcp-responses-sizes-sent-ipv4": defaultdict(int),
+        "dns-tcp-requests-sizes-received-ipv6": defaultdict(int),
+        "dns-tcp-responses-sizes-sent-ipv6": defaultdict(int),
+        "dns-udp-requests-sizes-received-ipv4": defaultdict(int),
+        "dns-udp-requests-sizes-received-ipv6": defaultdict(int),
+        "dns-udp-responses-sizes-sent-ipv4": defaultdict(int),
+        "dns-udp-responses-sizes-sent-ipv6": defaultdict(int),
+    }
+
+    for k, v in data.items():
+        for kk, vv in v.items():
+            expected[k][kk] += vv
+
+    return expected
+
+
+def update_expected(expected, key, msg):
+    msg_len = len(msg.to_wire())
+    bucket_num = (msg_len // 16) * 16
+    bucket = "{}-{}".format(bucket_num, bucket_num + 15)
+
+    expected[key][bucket] += 1
+
+
+def check_traffic(data, expected):
+    def ordered(obj):
+        if isinstance(obj, dict):
+            return sorted((k, ordered(v)) for k, v in obj.items())
+        if isinstance(obj, list):
+            return sorted(ordered(x) for x in obj)
+        return obj
+
+    ordered_data = ordered(data)
+    ordered_expected = ordered(expected)
+
+    assert len(ordered_data) == 8
+    assert len(ordered_expected) == 8
+    assert len(data) == len(ordered_data)
+    assert len(expected) == len(ordered_expected)
+
+    assert ordered_data == ordered_expected
+
+
+def test_traffic(fetch_traffic, **kwargs):
+    statsip = kwargs["statsip"]
+    statsport = kwargs["statsport"]
+    port = kwargs["port"]
+
+    data = fetch_traffic(statsip, statsport)
+    exp = create_expected(data)
+
+    msg = create_msg("short.example.", "TXT")
+    update_expected(exp, "dns-udp-requests-sizes-received-ipv4", msg)
+    ans = udp_query(statsip, port, msg)
+    update_expected(exp, "dns-udp-responses-sizes-sent-ipv4", ans)
+    data = fetch_traffic(statsip, statsport)
+
+    check_traffic(data, exp)
+
+    msg = create_msg("long.example.", "TXT")
+    update_expected(exp, "dns-udp-requests-sizes-received-ipv4", msg)
+    ans = udp_query(statsip, port, msg)
+    update_expected(exp, "dns-udp-responses-sizes-sent-ipv4", ans)
+    data = fetch_traffic(statsip, statsport)
+
+    check_traffic(data, exp)
+
+    msg = create_msg("short.example.", "TXT")
+    update_expected(exp, "dns-tcp-requests-sizes-received-ipv4", msg)
+    ans = tcp_query(statsip, port, msg)
+    update_expected(exp, "dns-tcp-responses-sizes-sent-ipv4", ans)
+    data = fetch_traffic(statsip, statsport)
+
+    check_traffic(data, exp)
+
+    msg = create_msg("long.example.", "TXT")
+    update_expected(exp, "dns-tcp-requests-sizes-received-ipv4", msg)
+    ans = tcp_query(statsip, port, msg)
+    update_expected(exp, "dns-tcp-responses-sizes-sent-ipv4", ans)
+    data = fetch_traffic(statsip, statsport)
+
+    check_traffic(data, exp)
diff --git a/bin/tests/system/statschannel/mem-xml.pl b/bin/tests/system/statschannel/mem-xml.pl
new file mode 100644
index 0000000..4483aae
--- /dev/null
+++ b/bin/tests/system/statschannel/mem-xml.pl
@@ -0,0 +1,21 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# server-xml.pl:
+# Parses the XML version of the server stats into a normalized format.
+
+use XML::Simple;
+use Data::Dumper;
+
+my $ref = XMLin("xml.mem");
+print Dumper($ref);
diff --git a/bin/tests/system/statschannel/ns1/example.db b/bin/tests/system/statschannel/ns1/example.db
new file mode 100644
index 0000000..5c2635e
--- /dev/null
+++ b/bin/tests/system/statschannel/ns1/example.db
@@ -0,0 +1,49 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+
+$ORIGIN example.
+a			A	10.0.0.1
+			MX	10 mail.example.
+short                   TXT     "short text"
+long                    TXT     (
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                )
+
+mail			A	10.0.0.2
diff --git a/bin/tests/system/statschannel/ns1/named.conf.in b/bin/tests/system/statschannel/ns1/named.conf.in
new file mode 100644
index 0000000..52fd9fd
--- /dev/null
+++ b/bin/tests/system/statschannel/ns1/named.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify explicit;
+	minimal-responses no;
+	version none;  // make statistics independent of the version number
+};
+
+statistics-channels { inet 10.53.0.1 port @EXTRAPORT1@ allow { localhost; }; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-transfer { any; };
+};
diff --git a/bin/tests/system/statschannel/ns2/dnssec.db.in b/bin/tests/system/statschannel/ns2/dnssec.db.in
new file mode 100644
index 0000000..90ae166
--- /dev/null
+++ b/bin/tests/system/statschannel/ns2/dnssec.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300
+
+dnssec.			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+dnssec.			NS	ns2.dnssec.
+ns2.dnssec.		A	10.53.0.2
+
+$ORIGIN dnssec.
+a			A	10.0.0.1
+			MX	10 mail.dnssec.
+mail			A	10.0.0.2
diff --git a/bin/tests/system/statschannel/ns2/example.db b/bin/tests/system/statschannel/ns2/example.db
new file mode 100644
index 0000000..5c2635e
--- /dev/null
+++ b/bin/tests/system/statschannel/ns2/example.db
@@ -0,0 +1,49 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+
+$ORIGIN example.
+a			A	10.0.0.1
+			MX	10 mail.example.
+short                   TXT     "short text"
+long                    TXT     (
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                  "longlonglonglonglonglonglonglonglonglong"
+                                )
+
+mail			A	10.0.0.2
diff --git a/bin/tests/system/statschannel/ns2/manykeys.db.in b/bin/tests/system/statschannel/ns2/manykeys.db.in
new file mode 100644
index 0000000..3281a39
--- /dev/null
+++ b/bin/tests/system/statschannel/ns2/manykeys.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300
+
+manykeys.			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+manykeys.			NS	ns2.manykeys.
+ns2.manykeys.		A	10.53.0.2
+
+$ORIGIN manykeys.
+a			A	10.0.0.1
+			MX	10 mail.manykeys.
+mail			A	10.0.0.2
diff --git a/bin/tests/system/statschannel/ns2/named.conf.in b/bin/tests/system/statschannel/ns2/named.conf.in
new file mode 100644
index 0000000..0221f3d
--- /dev/null
+++ b/bin/tests/system/statschannel/ns2/named.conf.in
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+	minimal-responses no;
+	version none;  // make statistics independent of the version number
+};
+
+statistics-channels { inet 10.53.0.2 port @EXTRAPORT1@ allow { localhost; }; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+dnssec-policy "manykeys" {
+	keys {
+		ksk lifetime unlimited algorithm 8;
+		zsk lifetime unlimited algorithm 8;
+		ksk lifetime unlimited algorithm 13;
+		zsk lifetime unlimited algorithm 13;
+		ksk lifetime unlimited algorithm 14;
+		zsk lifetime unlimited algorithm 14;
+	};
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-transfer { any; };
+};
+
+zone "dnssec" {
+	type primary;
+	file "dnssec.db.signed";
+	auto-dnssec maintain;
+	allow-update { any; };
+	zone-statistics full;
+	dnssec-dnskey-kskonly yes;
+	update-check-ksk yes;
+};
+
+zone "manykeys" {
+	type primary;
+	file "manykeys.db.signed";
+	allow-update { any; };
+	zone-statistics full;
+	dnssec-policy "manykeys";
+};
diff --git a/bin/tests/system/statschannel/ns2/named2.conf.in b/bin/tests/system/statschannel/ns2/named2.conf.in
new file mode 100644
index 0000000..0f5a2d3
--- /dev/null
+++ b/bin/tests/system/statschannel/ns2/named2.conf.in
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+	minimal-responses no;
+	version none;  // make statistics independent of the version number
+};
+
+statistics-channels { inet 10.53.0.2 port @EXTRAPORT1@ allow { localhost; }; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+dnssec-policy "manykeys" {
+	keys {
+		ksk lifetime unlimited algorithm 8;
+		zsk lifetime unlimited algorithm 8;
+	};
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-transfer { any; };
+};
+
+zone "dnssec" {
+	type primary;
+	file "dnssec.db.signed";
+	auto-dnssec maintain;
+	allow-update { any; };
+	zone-statistics full;
+	dnssec-dnskey-kskonly yes;
+	update-check-ksk yes;
+};
+
+zone "manykeys" {
+	type primary;
+	file "manykeys.db.signed";
+	allow-update { any; };
+	zone-statistics full;
+	dnssec-policy "manykeys";
+};
diff --git a/bin/tests/system/statschannel/ns2/sign.sh b/bin/tests/system/statschannel/ns2/sign.sh
new file mode 100644
index 0000000..f9429ca
--- /dev/null
+++ b/bin/tests/system/statschannel/ns2/sign.sh
@@ -0,0 +1,45 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+set -e
+
+zone=dnssec.
+infile=dnssec.db.in
+zonefile=dnssec.db.signed
+ksk=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" -f KSK "$zone")
+zsk=$("$KEYGEN" -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+# Sign deliberately with a very short expiration date.
+"$SIGNER" -P -S -x -O full -e "now"+1s -o "$zone" -f "$zonefile" "$infile" > "signzone.out.$zone" 2>&1
+keyfile_to_key_id "$ksk" > dnssec.ksk.id
+keyfile_to_key_id "$zsk" > dnssec.zsk.id
+
+zone=manykeys.
+infile=manykeys.db.in
+zonefile=manykeys.db.signed
+ksk8=$("$KEYGEN" -q -a RSASHA256 -b 2048 -f KSK "$zone")
+zsk8=$("$KEYGEN" -q -a RSASHA256 -b 2048 "$zone")
+ksk13=$("$KEYGEN" -q -a ECDSAP256SHA256 -b 256 -f KSK "$zone")
+zsk13=$("$KEYGEN" -q -a ECDSAP256SHA256 -b 256 "$zone")
+ksk14=$("$KEYGEN" -q -a ECDSAP384SHA384 -b 384 -f KSK "$zone")
+zsk14=$("$KEYGEN" -q -a ECDSAP384SHA384 -b 384 "$zone")
+# Sign deliberately with a very short expiration date.
+"$SIGNER" -S -x -O full -e "now"+1s -o "$zone" -f "$zonefile" "$infile" > "signzone.out.$zone" 2>&1
+keyfile_to_key_id "$ksk8" > manykeys.ksk8.id
+keyfile_to_key_id "$zsk8" > manykeys.zsk8.id
+keyfile_to_key_id "$ksk13" > manykeys.ksk13.id
+keyfile_to_key_id "$zsk13" > manykeys.zsk13.id
+keyfile_to_key_id "$ksk14" > manykeys.ksk14.id
+keyfile_to_key_id "$zsk14" > manykeys.zsk14.id
diff --git a/bin/tests/system/statschannel/ns3/named.conf.in b/bin/tests/system/statschannel/ns3/named.conf.in
new file mode 100644
index 0000000..cf3fc09
--- /dev/null
+++ b/bin/tests/system/statschannel/ns3/named.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+	minimal-responses no;
+	version none;  // make statistics independent of the version number
+};
+
+statistics-channels { inet 10.53.0.3 port @EXTRAPORT1@ allow { localhost; }; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "example" {
+	type secondary;
+	file "example.db";
+	primaries { 10.53.0.1; };
+};
diff --git a/bin/tests/system/statschannel/server-json.pl b/bin/tests/system/statschannel/server-json.pl
new file mode 100644
index 0000000..3715318
--- /dev/null
+++ b/bin/tests/system/statschannel/server-json.pl
@@ -0,0 +1,35 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# server-json.pl:
+# Parses the JSON version of the server stats into a normalized format.
+
+use JSON;
+
+open(INPUT, "<json.stats");
+my $text = do{local$/;<INPUT>};
+close(INPUT);
+
+my $ref = decode_json($text);
+foreach $key (keys %{$ref->{opcodes}}) {
+    print "opcode " . $key . ": " . $ref->{opcodes}->{$key} . "\n";
+}
+foreach $key (keys %{$ref->{rcodes}}) {
+    print "rcode " . $key . ": " . $ref->{rcodes}->{$key} . "\n";
+}
+foreach $key (keys %{$ref->{qtypes}}) {
+    print "qtype " . $key . ": " . $ref->{qtypes}->{$key} . "\n";
+}
+foreach $key (keys %{$ref->{nsstats}}) {
+    print "nsstat " . $key . ": " . $ref->{nsstats}->{$key} . "\n";
+}
diff --git a/bin/tests/system/statschannel/server-xml.pl b/bin/tests/system/statschannel/server-xml.pl
new file mode 100644
index 0000000..5f76360
--- /dev/null
+++ b/bin/tests/system/statschannel/server-xml.pl
@@ -0,0 +1,25 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# server-xml.pl:
+# Parses the XML version of the server stats into a normalized format.
+
+use XML::Simple;
+
+my $ref = XMLin("xml.stats");
+my $counters = $ref->{server}->{counters};
+foreach $group (@$counters) {
+    foreach $key (keys %{$group->{counter}}) {
+        print $group->{type} . " " . $key . ": ". $group->{counter}->{$key}->{content} . "\n";
+    }
+}
diff --git a/bin/tests/system/statschannel/setup.sh b/bin/tests/system/statschannel/setup.sh
new file mode 100644
index 0000000..f5ef3ee
--- /dev/null
+++ b/bin/tests/system/statschannel/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+for conf in ns*/named.conf.in; do
+    copy_setports "$conf" "$(dirname "$conf")/$(basename "$conf" .in)"
+done
+
+(cd ns2 && $SHELL sign.sh)
diff --git a/bin/tests/system/statschannel/tests.sh b/bin/tests/system/statschannel/tests.sh
new file mode 100644
index 0000000..f06cad4
--- /dev/null
+++ b/bin/tests/system/statschannel/tests.sh
@@ -0,0 +1,656 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+DIGCMD="$DIG @10.53.0.2 -p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+if ! $FEATURETEST --have-json-c
+then
+    unset PERL_JSON
+    echo_i "JSON was not configured; skipping" >&2
+elif $PERL -e 'use JSON;' 2>/dev/null
+then
+    PERL_JSON=1
+else
+    unset PERL_JSON
+    echo_i "JSON tests require JSON library; skipping" >&2
+fi
+
+if ! $FEATURETEST --have-libxml2
+then
+    unset PERL_XML
+    echo_i "XML was not configured; skipping" >&2
+elif $PERL -e 'use XML::Simple;' 2>/dev/null
+then
+    PERL_XML=1
+else
+    unset PERL_XML
+    echo_i "XML tests require XML::Simple; skipping" >&2
+fi
+
+if [ ! "$PERL_JSON" ] && [ ! "$PERL_XML" ]; then
+    echo_i "skipping all tests"
+    exit 0
+fi
+
+
+getzones() {
+    sleep 1
+    echo_i "... using $1"
+    case $1 in
+        xml) path='xml/v3/zones' ;;
+        json) path='json/v1/zones' ;;
+        *) return 1 ;;
+    esac
+    file=$($PERL fetch.pl -p ${EXTRAPORT1} $path)
+    cp $file $file.$1.$3
+    { $PERL zones-${1}.pl $file $2 2>/dev/null | sort > zones.out.$3; result=$?; } || true
+    return $result
+}
+
+# TODO: Move loadkeys_on to conf.sh.common
+loadkeys_on() {
+    nsidx=$1
+    zone=$2
+    nextpart ns${nsidx}/named.run > /dev/null
+    $RNDCCMD 10.53.0.${nsidx} loadkeys ${zone} | sed "s/^/ns${nsidx} /" | cat_i
+    wait_for_log 20 "next key event" ns${nsidx}/named.run
+}
+
+# verify that the http server dropped the connection without replying
+check_http_dropped() {
+    if [ -x "${NC}" ] ; then
+	"${NC}" 10.53.0.3 "${EXTRAPORT1}" > nc.out$n || ret=1
+	if test -s nc.out$n; then
+		ret=1
+	fi
+    else
+	echo_i "skipping test as nc not found"
+    fi
+}
+
+status=0
+n=1
+
+echo_i "check content-length parse error ($n)"
+ret=0
+check_http_dropped <<EOF
+POST /xml/v3/status HTTP/1.0
+Content-Length: nah
+
+EOF
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "check negative content-length ($n)"
+ret=0
+check_http_dropped <<EOF
+POST /xml/v3/status HTTP/1.0
+Content-Length: -50
+
+EOF
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "check content-length 32-bit overflow ($n)"
+check_http_dropped <<EOF
+POST /xml/v3/status HTTP/1.0
+Content-Length: 4294967239
+
+EOF
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "check content-length 64-bit overflow ($n)"
+check_http_dropped <<EOF
+POST /xml/v3/status HTTP/1.0
+Content-Length: 18446744073709551549
+
+EOF
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "Prepare for if-modified-since test ($n)"
+ret=0
+i=0
+if $FEATURETEST --have-libxml2 && [ -x "${CURL}" ] ; then
+    URL="http://10.53.0.3:${EXTRAPORT1}/bind9.xsl"
+    ${CURL} --silent --show-error --fail --output bind9.xsl.1 $URL
+    ret=$?
+else
+    echo_i "skipping test: requires libxml2 and curl"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "checking consistency between named.stats and xml/json ($n)"
+ret=0
+rm -f ns2/named.stats
+$DIGCMD +tcp example ns > dig.out.$n || ret=1
+$RNDCCMD 10.53.0.2 stats 2>&1 | sed 's/^/I:ns1 /'
+query_count=$(awk '/QUERY/ {print $1}' ns2/named.stats)
+txt_count=$(awk '/TXT/ {print $1}' ns2/named.stats)
+noerror_count=$(awk '/NOERROR/ {print $1}' ns2/named.stats)
+if [ $PERL_XML ]; then
+    file=$($PERL fetch.pl -p ${EXTRAPORT1} xml/v3/server)
+    mv $file xml.stats
+    $PERL server-xml.pl > xml.fmtstats 2> /dev/null
+    xml_query_count=$(awk '/opcode QUERY/ { print $NF }' xml.fmtstats)
+    xml_query_count=${xml_query_count:-0}
+    [ "$query_count" -eq "$xml_query_count" ] || ret=1
+    xml_txt_count=$(awk '/qtype TXT/ { print $NF }' xml.fmtstats)
+    xml_txt_count=${xml_txt_count:-0}
+    [ "$txt_count" -eq "$xml_txt_count" ] || ret=1
+    xml_noerror_count=$(awk '/rcode NOERROR/ { print $NF }' xml.fmtstats)
+    xml_noerror_count=${xml_noerror_count:-0}
+    [ "$noerror_count" -eq "$xml_noerror_count" ] || ret=1
+fi
+if [ $PERL_JSON ]; then
+    file=$($PERL fetch.pl -p ${EXTRAPORT1} json/v1/server)
+    mv $file json.stats
+    $PERL server-json.pl > json.fmtstats 2> /dev/null
+    json_query_count=$(awk '/opcode QUERY/ { print $NF }' json.fmtstats)
+    json_query_count=${json_query_count:-0}
+    [ "$query_count" -eq "$json_query_count" ] || ret=1
+    json_txt_count=$(awk '/qtype TXT/ { print $NF }' json.fmtstats)
+    json_txt_count=${json_txt_count:-0}
+    [ "$txt_count" -eq "$json_txt_count" ] || ret=1
+    json_noerror_count=$(awk '/rcode NOERROR/ { print $NF }' json.fmtstats)
+    json_noerror_count=${json_noerror_count:-0}
+    [ "$noerror_count" -eq "$json_noerror_count" ] || ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "checking malloced memory statistics xml/json ($n)"
+if [ $PERL_XML ]; then
+    file=$($PERL fetch.pl -p ${EXTRAPORT1} xml/v3/mem)
+    mv $file xml.mem
+    $PERL mem-xml.pl $file > xml.fmtmem
+    grep "'Malloced' => '[0-9][0-9]*'" xml.fmtmem > /dev/null || ret=1
+    grep "'malloced' => '[0-9][0-9]*'" xml.fmtmem > /dev/null || ret=1
+    grep "'maxmalloced' => '[0-9][0-9]*'" xml.fmtmem > /dev/null || ret=1
+fi
+if [ $PERL_JSON ]; then
+    file=$($PERL fetch.pl -p ${EXTRAPORT1} json/v1/mem)
+    mv $file json.mem
+    grep '"malloced":[0-9][0-9]*,' json.mem > /dev/null || ret=1
+    grep '"maxmalloced":[0-9][0-9]*,' json.mem > /dev/null || ret=1
+    grep '"Malloced":[0-9][0-9]*,' json.mem > /dev/null || ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "checking consistency between regular and compressed output ($n)"
+ret=0
+if [ -x "${CURL}" ] ; then
+    for i in 1 2 3 4 5; do
+        ret=0
+        if $FEATURETEST --have-libxml2;
+        then
+            URL="http://10.53.0.2:${EXTRAPORT1}/xml/v3/server"
+            filter_str='s#<current-time>.*</current-time>##g'
+        else
+            URL="http://10.53.0.2:${EXTRAPORT1}/json/v1/server"
+            filter_str='s#"current-time.*",##g'
+        fi
+        "${CURL}" -D regular.headers "$URL" 2>/dev/null | \
+            sed -e "$filter_str" > regular.out || ret=1
+        "${CURL}" -D compressed.headers --compressed "$URL" 2>/dev/null | \
+            sed -e "$filter_str" > compressed.out || ret=1
+        diff regular.out compressed.out >/dev/null || ret=1
+        if [ $ret != 0 ]; then
+            echo_i "failed on try $i, probably a timing issue, trying again"
+            sleep 1
+        else
+            break
+        fi
+    done
+else
+    echo_i "skipping test as curl not found"
+fi
+status=$((status + ret))
+n=$((n + 1))
+
+ret=0
+echo_i "checking if compressed output is really compressed ($n)"
+if $FEATURETEST --with-zlib;
+then
+    REGSIZE=$(cat regular.headers | \
+        grep -i Content-Length | sed -e "s/.*: \([0-9]*\).*/\1/")
+    COMPSIZE=$(cat compressed.headers | \
+        grep -i Content-Length | sed -e "s/.*: \([0-9]*\).*/\1/")
+    if [ ! $((REGSIZE / COMPSIZE)) -gt 2 ]; then
+        ret=1
+    fi
+else
+    echo_i "skipped"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# Test dnssec sign statistics.
+zone="dnssec"
+sign_prefix="dnssec-sign operations"
+refresh_prefix="dnssec-refresh operations"
+ksk_id=$(cat ns2/$zone.ksk.id)
+zsk_id=$(cat ns2/$zone.zsk.id)
+
+# Test sign operations for scheduled resigning.
+ret=0
+# The dnssec zone has 10 RRsets to sign (including NSEC) with the ZSK and one
+# RRset (DNSKEY) with the KSK. So starting named with signatures that expire
+# almost right away, this should trigger 10 zsk and 1 ksk sign operations.
+echo "${refresh_prefix} ${zsk_id}: 10" > zones.expect
+echo "${refresh_prefix} ${ksk_id}: 1" >> zones.expect
+echo "${sign_prefix} ${zsk_id}: 10" >> zones.expect
+echo "${sign_prefix} ${ksk_id}: 1" >> zones.expect
+cat zones.expect | sort > zones.expect.$n
+rm -f zones.expect
+# Fetch and check the dnssec sign statistics.
+echo_i "fetching zone '$zone' stats data after zone maintenance at startup ($n)"
+if [ $PERL_XML ]; then
+    getzones xml $zone x$n || ret=1
+    cmp zones.out.x$n zones.expect.$n || ret=1
+fi
+if [ $PERL_JSON ]; then
+    getzones json 0 j$n || ret=1
+    cmp zones.out.j$n zones.expect.$n || ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# Test sign operations after dynamic update.
+ret=0
+(
+# Update dnssec zone to trigger signature creation.
+echo zone $zone
+echo server 10.53.0.2 "$PORT"
+echo update add $zone. 300 in txt "nsupdate added me"
+echo send
+) | $NSUPDATE
+# This should trigger the resign of SOA, TXT and NSEC (+3 zsk).
+echo "${refresh_prefix} ${zsk_id}: 10" > zones.expect
+echo "${refresh_prefix} ${ksk_id}: 1" >> zones.expect
+echo "${sign_prefix} ${zsk_id}: 13" >> zones.expect
+echo "${sign_prefix} ${ksk_id}: 1" >> zones.expect
+cat zones.expect | sort > zones.expect.$n
+rm -f zones.expect
+# Fetch and check the dnssec sign statistics.
+echo_i "fetching zone '$zone' stats data after dynamic update ($n)"
+if [ $PERL_XML ]; then
+    getzones xml $zone x$n || ret=1
+    cmp zones.out.x$n zones.expect.$n || ret=1
+fi
+if [ $PERL_JSON ]; then
+    getzones json 0 j$n || ret=1
+    cmp zones.out.j$n zones.expect.$n || ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# Test sign operations of KSK.
+ret=0
+echo_i "fetch zone '$zone' stats data after updating DNSKEY RRset ($n)"
+# Add a standby DNSKEY, this triggers resigning the DNSKEY RRset.
+zsk=$("$KEYGEN" -K ns2 -q -a "$DEFAULT_ALGORITHM" -b "$DEFAULT_BITS" "$zone")
+$SETTIME -K ns2 -P now -A never $zsk.key > /dev/null
+loadkeys_on 2 $zone || ret=1
+# This should trigger the resign of SOA (+1 zsk) and DNSKEY (+1 ksk).
+echo "${refresh_prefix} ${zsk_id}: 11" > zones.expect
+echo "${refresh_prefix} ${ksk_id}: 2" >> zones.expect
+echo "${sign_prefix} ${zsk_id}: 14" >> zones.expect
+echo "${sign_prefix} ${ksk_id}: 2" >> zones.expect
+cat zones.expect | sort > zones.expect.$n
+rm -f zones.expect
+# Fetch and check the dnssec sign statistics.
+if [ $PERL_XML ]; then
+    getzones xml $zone x$n || ret=1
+    cmp zones.out.x$n zones.expect.$n || ret=1
+fi
+if [ $PERL_JSON ]; then
+    getzones json 0 j$n || ret=1
+    cmp zones.out.j$n zones.expect.$n || ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# Test sign operations for scheduled resigning (many keys).
+ret=0
+zone="manykeys"
+ksk8_id=$(cat ns2/$zone.ksk8.id)
+zsk8_id=$(cat ns2/$zone.zsk8.id)
+ksk13_id=$(cat ns2/$zone.ksk13.id)
+zsk13_id=$(cat ns2/$zone.zsk13.id)
+ksk14_id=$(cat ns2/$zone.ksk14.id)
+zsk14_id=$(cat ns2/$zone.zsk14.id)
+# The dnssec zone has 10 RRsets to sign (including NSEC) with the ZSKs and one
+# RRset (DNSKEY) with the KSKs. So starting named with signatures that expire
+# almost right away, this should trigger 10 zsk and 1 ksk sign operations per
+# key.
+echo "${refresh_prefix} ${zsk8_id}: 10" > zones.expect
+echo "${refresh_prefix} ${zsk13_id}: 10" >> zones.expect
+echo "${refresh_prefix} ${zsk14_id}: 10" >> zones.expect
+echo "${refresh_prefix} ${ksk8_id}: 1" >> zones.expect
+echo "${refresh_prefix} ${ksk13_id}: 1" >> zones.expect
+echo "${refresh_prefix} ${ksk14_id}: 1" >> zones.expect
+echo "${sign_prefix} ${zsk8_id}: 10" >> zones.expect
+echo "${sign_prefix} ${zsk13_id}: 10" >> zones.expect
+echo "${sign_prefix} ${zsk14_id}: 10" >> zones.expect
+echo "${sign_prefix} ${ksk8_id}: 1" >> zones.expect
+echo "${sign_prefix} ${ksk13_id}: 1" >> zones.expect
+echo "${sign_prefix} ${ksk14_id}: 1" >> zones.expect
+cat zones.expect | sort > zones.expect.$n
+rm -f zones.expect
+# Fetch and check the dnssec sign statistics.
+echo_i "fetching zone '$zone' stats data after zone maintenance at startup ($n)"
+if [ $PERL_XML ]; then
+    getzones xml $zone x$n || ret=1
+    cmp zones.out.x$n zones.expect.$n || ret=1
+fi
+if [ $PERL_JSON ]; then
+    getzones json 2 j$n || ret=1
+    cmp zones.out.j$n zones.expect.$n || ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# Test sign operations after dynamic update (many keys).
+ret=0
+(
+# Update dnssec zone to trigger signature creation.
+echo zone $zone
+echo server 10.53.0.2 "$PORT"
+echo update add $zone. 300 in txt "nsupdate added me"
+echo send
+) | $NSUPDATE
+# This should trigger the resign of SOA, TXT and NSEC (+3 zsk).
+echo "${refresh_prefix} ${zsk8_id}: 10" > zones.expect
+echo "${refresh_prefix} ${zsk13_id}: 10" >> zones.expect
+echo "${refresh_prefix} ${zsk14_id}: 10" >> zones.expect
+echo "${refresh_prefix} ${ksk8_id}: 1" >> zones.expect
+echo "${refresh_prefix} ${ksk13_id}: 1" >> zones.expect
+echo "${refresh_prefix} ${ksk14_id}: 1" >> zones.expect
+echo "${sign_prefix} ${zsk8_id}: 13" >> zones.expect
+echo "${sign_prefix} ${zsk13_id}: 13" >> zones.expect
+echo "${sign_prefix} ${zsk14_id}: 13" >> zones.expect
+echo "${sign_prefix} ${ksk8_id}: 1" >> zones.expect
+echo "${sign_prefix} ${ksk13_id}: 1" >> zones.expect
+echo "${sign_prefix} ${ksk14_id}: 1" >> zones.expect
+cat zones.expect | sort > zones.expect.$n
+rm -f zones.expect
+# Fetch and check the dnssec sign statistics.
+echo_i "fetching zone '$zone' stats data after dynamic update ($n)"
+if [ $PERL_XML ]; then
+    getzones xml $zone x$n || ret=1
+    cmp zones.out.x$n zones.expect.$n || ret=1
+fi
+if [ $PERL_JSON ]; then
+    getzones json 2 j$n || ret=1
+    cmp zones.out.j$n zones.expect.$n || ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+# Test sign operations after dnssec-policy change (removing keys).
+ret=0
+copy_setports ns2/named2.conf.in ns2/named.conf
+$RNDCCMD 10.53.0.2 reload 2>&1 | sed 's/^/I:ns2 /'
+# This should trigger the resign of DNSKEY (+1 ksk), and SOA, NSEC,
+# TYPE65534 (+3 zsk). The dnssec-sign statistics for the removed keys should
+# be cleared and thus no longer visible. But NSEC and SOA are (mistakenly)
+# counted double, one time because of zone_resigninc and one time because of
+# zone_nsec3chain. So +5 zsk in total.
+echo "${refresh_prefix} ${zsk8_id}: 15" > zones.expect
+echo "${refresh_prefix} ${ksk8_id}: 2" >> zones.expect
+echo "${sign_prefix} ${zsk8_id}: 18" >> zones.expect
+echo "${sign_prefix} ${ksk8_id}: 2" >> zones.expect
+cat zones.expect | sort > zones.expect.$n
+rm -f zones.expect
+# Fetch and check the dnssec sign statistics.
+echo_i "fetching zone '$zone' stats data after dnssec-policy change ($n)"
+if [ $PERL_XML ]; then
+    getzones xml $zone x$n || ret=1
+    cmp zones.out.x$n zones.expect.$n || ret=1
+fi
+if [ $PERL_JSON ]; then
+    getzones json 2 j$n || ret=1
+    cmp zones.out.j$n zones.expect.$n || ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "Check HTTP/1.1 client-side pipelined requests are handled (GET) ($n)"
+ret=0
+if [ -x "${NC}" ] ; then
+    "${NC}" 10.53.0.3 "${EXTRAPORT1}" << EOF > nc.out$n || ret=1
+GET /xml/v3/status HTTP/1.1
+Host: 10.53.0.3:${EXTRAPORT1}
+
+GET /xml/v3/status HTTP/1.1
+Host: 10.53.0.3:${EXTRAPORT1}
+Connection: close
+
+EOF
+    lines=$(grep -c "^<statistics version" nc.out$n)
+    test "$lines" = 2 || ret=1
+    # keep-alive not needed in HTTP/1.1, second response has close
+    lines=$(grep -c "^Connection: Keep-Alive" nc.out$n || true)
+    test "$lines" = 0 || ret=1
+    lines=$(grep -c "^Connection: close" nc.out$n)
+    test "$lines" = 1 || ret=1
+else
+    echo_i "skipping test as nc not found"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "Check HTTP/1.1 client-side pipelined requests are handled (POST) ($n)"
+ret=0
+if [ -x "${NC}" ]; then
+    "${NC}" 10.53.0.3 "${EXTRAPORT1}" << EOF > nc.out$n || ret=1
+POST /xml/v3/status HTTP/1.1
+Host: 10.53.0.3:${EXTRAPORT1}
+Content-Type: application/json
+Content-Length: 3
+
+{}
+POST /xml/v3/status HTTP/1.1
+Host: 10.53.0.3:${EXTRAPORT1}
+Content-Type: application/json
+Content-Length: 3
+Connection: close
+
+{}
+EOF
+    lines=$(grep -c "^<statistics version" nc.out$n)
+    test "$lines" = 2 || ret=1
+    # keep-alive not needed in HTTP/1.1, second response has close
+    lines=$(grep -c "^Connection: Keep-Alive" nc.out$n || true)
+    test "$lines" = 0 || ret=1
+    lines=$(grep -c "^Connection: close" nc.out$n)
+    test "$lines" = 1 || ret=1
+else
+    echo_i "skipping test as nc not found"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "Check HTTP/1.0 keep-alive ($n)"
+ret=0
+if [ -x "${NC}" ]; then
+    "${NC}" 10.53.0.3 "${EXTRAPORT1}" << EOF > nc.out$n || ret=1
+GET /xml/v3/status HTTP/1.0
+Connection: keep-alive
+
+GET /xml/v3/status HTTP/1.0
+
+EOF
+    # should be two responses
+    lines=$(grep -c "^<statistics version" nc.out$n)
+    test "$lines" = 2 || ret=1
+    # first response has keep-alive, second has close
+    lines=$(grep -c "^Connection: Keep-Alive" nc.out$n || true)
+    test "$lines" = 1 || ret=1
+    lines=$(grep -c "^Connection: close" nc.out$n)
+    test "$lines" = 1 || ret=1
+else
+    echo_i "skipping test as nc not found"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "Check inconsistent Connection: headers ($n)"
+ret=0
+if [ -x "${NC}" ]; then
+    "${NC}" 10.53.0.3 "${EXTRAPORT1}" << EOF > nc.out$n || ret=1
+GET /xml/v3/status HTTP/1.0
+Connection: keep-alive
+Connection: close
+
+GET /xml/v3/status HTTP/1.0
+
+EOF
+    # should be one response (second is ignored)
+    lines=$(grep -c "^<statistics version" nc.out$n)
+    test "$lines" = 1 || ret=1
+    # no keep-alive, one close
+    lines=$(grep -c "^Connection: Keep-Alive" nc.out$n || true)
+    test "$lines" = 0 || ret=1
+    lines=$(grep -c "^Connection: close" nc.out$n)
+    test "$lines" = 1 || ret=1
+else
+    echo_i "skipping test as nc not found"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+if [ -x "${CURL}" ] && ! ("${CURL}" --next 2>&1 | grep 'option --next: is unknown'); then
+    CURL_NEXT="${CURL}"
+fi
+
+echo_i "Check HTTP with more than 100 headers ($n)"
+ret=0
+i=0
+if [ -x "${CURL_NEXT}" ] ; then
+    # build input stream.
+    : > header.in$n
+    while test $i -lt 101
+    do
+        printf 'X-Bloat%d: VGhlIG1vc3QgY29tbW9uIHJlYXNvbiBmb3IgYmxvYXRpbmcgaXMgaGF2aW5nIGEgbG90IG9mIGdhcyBpbiB5b3VyIGd1dC4gCg==\r\n' $i >> header.in$n
+        i=$((i+1))
+    done
+    printf '\r\n' >> header.in$n
+
+    # send the requests then wait for named to close the socket.
+    URL="http://10.53.0.3:${EXTRAPORT1}/xml/v3/status"
+    "${CURL}" --silent --include --get "$URL" --next --get --header @header.in$n "$URL" > curl.out$n && ret=1
+    # we expect 1 request to be processed.
+    lines=$(grep -c "^<statistics version" curl.out$n)
+    test "$lines" = 1 || ret=1
+else
+    echo_i "skipping test as curl with --next support not found"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "Check HTTP/1.1 keep-alive with truncated stream ($n)"
+ret=0
+i=0
+if [ -x "${CURL_NEXT}" ] ; then
+    # build input stream.
+    printf 'X-Bloat: ' > header.in$n
+    while test $i -lt 5000
+    do
+        printf '%s' "VGhlIG1vc3QgY29tbW9uIHJlYXNvbiBmb3IgYmxvYXRpbmcgaXMgaGF2aW5nIGEgbG90IG9mIGdhcyBpbiB5b3VyIGd1dC4gCg==" >> header.in$n
+        i=$((i+1))
+    done
+    printf '\r\n' >> header.in$n
+
+    # send the requests then wait for named to close the socket.
+    URL="http://10.53.0.3:${EXTRAPORT1}/xml/v3/status"
+    "${CURL}" --silent --include --get "$URL" --next --get --header @header.in$n "$URL" > curl.out$n && ret=1
+    # we expect 1 request to be processed.
+    lines=$(grep -c "^<statistics version" curl.out$n)
+    test "$lines" = 1 || ret=1
+else
+    echo_i "skipping test as curl with --next support not found"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "Check that consequtive responses do not grow excessively ($n)"
+ret=0
+i=0
+if [ -x "${CURL}" ] ; then
+    URL="http://10.53.0.3:${EXTRAPORT1}/json/v1"
+    "${CURL}" --silent --include --header "Accept-Encoding: deflate, gzip, br, zstd" "$URL" "$URL" "$URL" "$URL" "$URL" "$URL" "$URL" "$URL" "$URL" "$URL" > curl.out$n || ret=1
+    grep -a Content-Length curl.out$n | awk 'BEGIN { prev=0; } { if (prev != 0 && $2 - prev > 100) { exit(1); } prev = $2; }' || ret=1
+else
+    echo_i "skipping test as curl not found"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "Check if-modified-since works ($n)"
+ret=0
+if $FEATURETEST --have-libxml2 && [ -x "${CURL}" ] ; then
+    URL="http://10.53.0.3:${EXTRAPORT1}/bind9.xsl"
+    # ensure over-long time stamps are ignored
+    ${CURL} --silent --show-error --fail --output bind9.xsl.2 $URL \
+	    --header 'If-Modified-Since: 0123456789 0123456789 0123456789 0123456789 0123456789 0123456789'
+    if  ! [ bind9.xsl.2 -nt bind9.xsl.1 ] ||
+        ! ${CURL} --silent --show-error --fail \
+		  --output bind9.xsl.3 $URL \
+		  --time-cond bind9.xsl.1 ||
+	[ -f bind9.xsl.3 ]
+    then
+	   ret=1
+    fi
+else
+    echo_i "skipping test: requires libxml2 and curl"
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/statschannel/tests_json.py b/bin/tests/system/statschannel/tests_json.py
new file mode 100755
index 0000000..c459925
--- /dev/null
+++ b/bin/tests/system/statschannel/tests_json.py
@@ -0,0 +1,105 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from datetime import datetime
+
+import pytest
+
+import generic
+import pytest_custom_markers
+
+pytestmark = pytest_custom_markers.have_json_c
+requests = pytest.importorskip("requests")
+
+
+# JSON helper functions
+def fetch_zones_json(statsip, statsport):
+    r = requests.get(
+        "http://{}:{}/json/v1/zones".format(statsip, statsport), timeout=600
+    )
+    assert r.status_code == 200
+
+    data = r.json()
+    return data["views"]["_default"]["zones"]
+
+
+def fetch_traffic_json(statsip, statsport):
+    r = requests.get(
+        "http://{}:{}/json/v1/traffic".format(statsip, statsport), timeout=600
+    )
+    assert r.status_code == 200
+
+    data = r.json()
+
+    return data["traffic"]
+
+
+def load_timers_json(zone, primary=True):
+    name = zone["name"]
+
+    # Check if the primary zone timer exists
+    assert "loaded" in zone
+    loaded = datetime.strptime(zone["loaded"], generic.fmt)
+
+    if primary:
+        # Check if the secondary zone timers does not exist
+        assert "expires" not in zone
+        assert "refresh" not in zone
+        expires = None
+        refresh = None
+    else:
+        assert "expires" in zone
+        assert "refresh" in zone
+        expires = datetime.strptime(zone["expires"], generic.fmt)
+        refresh = datetime.strptime(zone["refresh"], generic.fmt)
+
+    return (name, loaded, expires, refresh)
+
+
+def load_zone_json(zone):
+    name = zone["name"]
+
+    return name
+
+
+def test_zone_timers_primary_json(statsport):
+    generic.test_zone_timers_primary(
+        fetch_zones_json,
+        load_timers_json,
+        statsip="10.53.0.1",
+        statsport=statsport,
+        zonedir="ns1",
+    )
+
+
+def test_zone_timers_secondary_json(statsport):
+    generic.test_zone_timers_secondary(
+        fetch_zones_json,
+        load_timers_json,
+        statsip="10.53.0.3",
+        statsport=statsport,
+        zonedir="ns3",
+    )
+
+
+def test_zone_with_many_keys_json(statsport):
+    generic.test_zone_with_many_keys(
+        fetch_zones_json, load_zone_json, statsip="10.53.0.2", statsport=statsport
+    )
+
+
+def test_traffic_json(named_port, statsport):
+    generic_dnspython = pytest.importorskip("generic_dnspython")
+    generic_dnspython.test_traffic(
+        fetch_traffic_json, statsip="10.53.0.2", statsport=statsport, port=named_port
+    )
diff --git a/bin/tests/system/statschannel/tests_sh_statschannel.py b/bin/tests/system/statschannel/tests_sh_statschannel.py
new file mode 100644
index 0000000..85d5d14
--- /dev/null
+++ b/bin/tests/system/statschannel/tests_sh_statschannel.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_statschannel(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/statschannel/tests_xml.py b/bin/tests/system/statschannel/tests_xml.py
new file mode 100755
index 0000000..7f0b37e
--- /dev/null
+++ b/bin/tests/system/statschannel/tests_xml.py
@@ -0,0 +1,135 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+from datetime import datetime
+import xml.etree.ElementTree as ET
+
+import pytest
+
+import generic
+import pytest_custom_markers
+
+pytestmark = pytest_custom_markers.have_libxml2
+requests = pytest.importorskip("requests")
+
+
+# XML helper functions
+def fetch_zones_xml(statsip, statsport):
+    r = requests.get(
+        "http://{}:{}/xml/v3/zones".format(statsip, statsport), timeout=600
+    )
+    assert r.status_code == 200
+
+    root = ET.fromstring(r.text)
+
+    default_view = None
+    for view in root.find("views").iter("view"):
+        if view.attrib["name"] == "_default":
+            default_view = view
+            break
+    assert default_view is not None
+
+    return default_view.find("zones").findall("zone")
+
+
+def fetch_traffic_xml(statsip, statsport):
+    def load_counters(data):
+        out = {}
+        for counter in data.findall("counter"):
+            out[counter.attrib["name"]] = int(counter.text)
+
+        return out
+
+    r = requests.get(
+        "http://{}:{}/xml/v3/traffic".format(statsip, statsport), timeout=600
+    )
+    assert r.status_code == 200
+
+    root = ET.fromstring(r.text)
+
+    traffic = {}
+    for ip in ["ipv4", "ipv6"]:
+        for proto in ["udp", "tcp"]:
+            proto_root = root.find("traffic").find(ip).find(proto)
+            for counters in proto_root.findall("counters"):
+                if counters.attrib["type"] == "request-size":
+                    key = "dns-{}-requests-sizes-received-{}".format(proto, ip)
+                else:
+                    key = "dns-{}-responses-sizes-sent-{}".format(proto, ip)
+
+                values = load_counters(counters)
+                traffic[key] = values
+
+    return traffic
+
+
+def load_timers_xml(zone, primary=True):
+    name = zone.attrib["name"]
+
+    loaded_el = zone.find("loaded")
+    assert loaded_el is not None
+    loaded = datetime.strptime(loaded_el.text, generic.fmt)
+
+    expires_el = zone.find("expires")
+    refresh_el = zone.find("refresh")
+    if primary:
+        assert expires_el is None
+        assert refresh_el is None
+        expires = None
+        refresh = None
+    else:
+        assert expires_el is not None
+        assert refresh_el is not None
+        expires = datetime.strptime(expires_el.text, generic.fmt)
+        refresh = datetime.strptime(refresh_el.text, generic.fmt)
+
+    return (name, loaded, expires, refresh)
+
+
+def load_zone_xml(zone):
+    name = zone.attrib["name"]
+
+    return name
+
+
+def test_zone_timers_primary_xml(statsport):
+    generic.test_zone_timers_primary(
+        fetch_zones_xml,
+        load_timers_xml,
+        statsip="10.53.0.1",
+        statsport=statsport,
+        zonedir="ns1",
+    )
+
+
+def test_zone_timers_secondary_xml(statsport):
+    generic.test_zone_timers_secondary(
+        fetch_zones_xml,
+        load_timers_xml,
+        statsip="10.53.0.3",
+        statsport=statsport,
+        zonedir="ns3",
+    )
+
+
+def test_zone_with_many_keys_xml(statsport):
+    generic.test_zone_with_many_keys(
+        fetch_zones_xml, load_zone_xml, statsip="10.53.0.2", statsport=statsport
+    )
+
+
+def test_traffic_xml(named_port, statsport):
+    generic_dnspython = pytest.importorskip("generic_dnspython")
+    generic_dnspython.test_traffic(
+        fetch_traffic_xml, statsip="10.53.0.2", statsport=statsport, port=named_port
+    )
diff --git a/bin/tests/system/statschannel/traffic-json.pl b/bin/tests/system/statschannel/traffic-json.pl
new file mode 100644
index 0000000..353d6c7
--- /dev/null
+++ b/bin/tests/system/statschannel/traffic-json.pl
@@ -0,0 +1,49 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# traffic-json.pl:
+# Parses the JSON version of the RSSAC002 traffic stats into a
+# normalized format.
+
+use JSON;
+
+my $file = $ARGV[0];
+open(INPUT, "<$file");
+my $text = do{local$/;<INPUT>};
+close(INPUT);
+
+my $ref = decode_json($text);
+
+my $tcprcvd = $ref->{traffic}->{"dns-tcp-requests-sizes-received-ipv4"};
+my $type = "tcp request-size ";
+foreach $key (keys %{$tcprcvd}) {
+    print $type . $key . ": ". $tcprcvd->{$key} ."\n";
+}
+
+my $tcpsent = $ref->{traffic}->{"dns-tcp-responses-sizes-sent-ipv4"};
+my $type = "tcp response-size ";
+foreach $key (keys %{$tcpsent}) {
+    print $type . $key . ": ". $tcpsent->{$key} ."\n";
+}
+
+my $udprcvd = $ref->{traffic}->{"dns-udp-requests-sizes-received-ipv4"};
+my $type = "udp request-size ";
+foreach $key (keys %{$udprcvd}) {
+    print $type . $key . ": ". $udprcvd->{$key} ."\n";
+}
+
+my $udpsent = $ref->{traffic}->{"dns-udp-responses-sizes-sent-ipv4"};
+my $type = "udp response-size ";
+foreach $key (keys %{$udpsent}) {
+    print $type . $key . ": ". $udpsent->{$key} ."\n";
+}
diff --git a/bin/tests/system/statschannel/traffic-xml.pl b/bin/tests/system/statschannel/traffic-xml.pl
new file mode 100644
index 0000000..5552cc5
--- /dev/null
+++ b/bin/tests/system/statschannel/traffic-xml.pl
@@ -0,0 +1,46 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# traffic-xml.pl:
+# Parses the XML version of the RSSAC002 traffic stats into a
+# normalized format.
+
+use XML::Simple;
+
+my $file = $ARGV[0];
+
+my $ref = XMLin($file);
+
+my $udp = $ref->{traffic}->{ipv4}->{udp}->{counters};
+foreach $group (@$udp) {
+    my $type = "udp " . $group->{type} . " ";
+    if (exists $group->{counter}->{name}) {
+        print $type . $group->{counter}->{name} . ": " . $group->{counter}->{content} . "\n";
+    } else {
+        foreach $key (keys %{$group->{counter}}) {
+            print $type . $key . ": ". $group->{counter}->{$key}->{content} ."\n";
+        }
+    }
+}
+
+my $tcp = $ref->{traffic}->{ipv4}->{tcp}->{counters};
+foreach $group (@$tcp) {
+    my $type = "tcp " . $group->{type} . " ";
+    if (exists $group->{counter}->{name}) {
+        print $type . $group->{counter}->{name} . ": " . $group->{counter}->{content} . "\n";
+    } else {
+        foreach $key (keys %{$group->{counter}}) {
+            print $type . $key . ": ". $group->{counter}->{$key}->{content} ."\n";
+        }
+    }
+}
diff --git a/bin/tests/system/statschannel/traffic.expect.1 b/bin/tests/system/statschannel/traffic.expect.1
new file mode 100644
index 0000000..5938d5d
--- /dev/null
+++ b/bin/tests/system/statschannel/traffic.expect.1
@@ -0,0 +1,2 @@
+tcp request-size 16-31: 1
+tcp response-size 64-79: 1
diff --git a/bin/tests/system/statschannel/traffic.expect.2 b/bin/tests/system/statschannel/traffic.expect.2
new file mode 100644
index 0000000..6c9e25a
--- /dev/null
+++ b/bin/tests/system/statschannel/traffic.expect.2
@@ -0,0 +1,4 @@
+tcp request-size 16-31: 1
+tcp response-size 64-79: 1
+udp request-size 48-63: 1
+udp response-size 112-127: 1
diff --git a/bin/tests/system/statschannel/traffic.expect.4 b/bin/tests/system/statschannel/traffic.expect.4
new file mode 100644
index 0000000..3f892f5
--- /dev/null
+++ b/bin/tests/system/statschannel/traffic.expect.4
@@ -0,0 +1,5 @@
+tcp request-size 16-31: 1
+tcp response-size 64-79: 1
+udp request-size 48-63: 2
+udp response-size 112-127: 1
+udp response-size 848-863: 1
diff --git a/bin/tests/system/statschannel/traffic.expect.5 b/bin/tests/system/statschannel/traffic.expect.5
new file mode 100644
index 0000000..15911b1
--- /dev/null
+++ b/bin/tests/system/statschannel/traffic.expect.5
@@ -0,0 +1,7 @@
+tcp request-size 16-31: 1
+tcp request-size 48-63: 1
+tcp response-size 112-127: 1
+tcp response-size 64-79: 1
+udp request-size 48-63: 2
+udp response-size 112-127: 1
+udp response-size 848-863: 1
diff --git a/bin/tests/system/statschannel/traffic.expect.6 b/bin/tests/system/statschannel/traffic.expect.6
new file mode 100644
index 0000000..73fc8f1
--- /dev/null
+++ b/bin/tests/system/statschannel/traffic.expect.6
@@ -0,0 +1,8 @@
+tcp request-size 16-31: 1
+tcp request-size 48-63: 2
+tcp response-size 112-127: 1
+tcp response-size 64-79: 1
+tcp response-size 848-863: 1
+udp request-size 48-63: 2
+udp response-size 112-127: 1
+udp response-size 848-863: 1
diff --git a/bin/tests/system/statschannel/zones-json.pl b/bin/tests/system/statschannel/zones-json.pl
new file mode 100644
index 0000000..9eec9db
--- /dev/null
+++ b/bin/tests/system/statschannel/zones-json.pl
@@ -0,0 +1,37 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# zones-json.pl:
+# Parses the JSON version of the dnssec sign stats for the
+# "dnssec" zone in the default view into a normalized format.
+
+use JSON;
+
+my $file = $ARGV[0];
+my $zone = $ARGV[1];
+open(INPUT, "<$file");
+my $text = do{local$/;<INPUT>};
+close(INPUT);
+
+my $ref = decode_json($text);
+
+my $dnssecsign = $ref->{views}->{_default}->{zones}[$zone]->{"dnssec-sign"};
+my $type = "dnssec-sign operations ";
+foreach $key (keys %{$dnssecsign}) {
+    print $type . $key . ": ". $dnssecsign->{$key} ."\n";
+}
+my $dnssecrefresh = $ref->{views}->{_default}->{zones}[$zone]->{"dnssec-refresh"};
+my $type = "dnssec-refresh operations ";
+foreach $key (keys %{$dnssecrefresh}) {
+    print $type . $key . ": ". $dnssecrefresh->{$key} ."\n";
+}
diff --git a/bin/tests/system/statschannel/zones-xml.pl b/bin/tests/system/statschannel/zones-xml.pl
new file mode 100644
index 0000000..be86852
--- /dev/null
+++ b/bin/tests/system/statschannel/zones-xml.pl
@@ -0,0 +1,40 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# zones-xml.pl:
+# Parses the XML version of the dnssec sign stats for the
+# "dnssec" zone in the default view into a normalized format.
+
+use XML::Simple;
+
+my $file = $ARGV[0];
+my $zone = $ARGV[1];
+
+my $ref = XMLin($file);
+
+my $counters = $ref->{views}->{view}->{_default}->{zones}->{zone}->{$zone}->{counters};
+
+foreach $group (@$counters) {
+
+    my $type = $group->{type};
+
+    if ($type eq "dnssec-sign" || $type eq "dnssec-refresh") {
+        if (exists $group->{counter}->{name}) {
+            print $type . " operations " . $group->{counter}->{name} . ": " . $group->{counter}->{content} . "\n";
+	} else {
+            foreach $key (keys %{$group->{counter}}) {
+                print $type . " operations " . $key . ": ". $group->{counter}->{$key}->{content} ."\n";
+            }
+        }
+    }
+}
diff --git a/bin/tests/system/stop.pl b/bin/tests/system/stop.pl
new file mode 100644
index 0000000..572f709
--- /dev/null
+++ b/bin/tests/system/stop.pl
@@ -0,0 +1,281 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Framework for stopping test servers
+# Based on the type of server specified, signal the server to stop, wait
+# briefly for it to die, and then kill it if it is still alive.
+# If a server is specified, stop it. Otherwise, stop all servers for test.
+
+use strict;
+use warnings;
+
+use Cwd ':DEFAULT', 'abs_path';
+use English '-no_match_vars';
+use Getopt::Long;
+
+# Usage:
+#   perl stop.pl [--use-rndc [--port port]] test [server]
+#
+#   --use-rndc      Attempt to stop the server via the "rndc stop" command.
+#
+#   --port port     Only relevant if --use-rndc is specified, this sets the
+#                   command port over which the attempt should be made.  If
+#                   not specified, port 9953 is used.
+#
+#   test            Name of the test directory.
+#
+#   server          Name of the server directory.
+
+my $usage = "usage: $0 [--use-rndc [--halt] [--port port]] test-directory [server-directory]";
+
+my $use_rndc = 0;
+my $halt = 0;
+my $rndc_port = 9953;
+my $errors = 0;
+
+GetOptions(
+	'use-rndc!' => \$use_rndc,
+	'halt!' => \$halt,
+	'port=i' => \$rndc_port
+    ) or die "$usage\n";
+
+my ( $test, $server_arg ) = @ARGV;
+
+if (!$test) {
+	die "$usage\n";
+}
+
+# Global variables
+my $builddir = $ENV{'builddir'};
+my $srcdir = $ENV{'srcdir'};
+my $testdir = "$builddir/$test";
+
+if (! -d $testdir) {
+	die "No test directory: \"$testdir\"\n";
+}
+
+if ($server_arg && ! -d "$testdir/$server_arg") {
+	die "No server directory: \"$testdir/$server_arg\"\n";
+}
+
+my $RNDC = $ENV{RNDC};
+
+my @ns;
+my @ans;
+
+if ($server_arg) {
+	if ($server_arg =~ /^ns/) {
+		push(@ns, $server_arg);
+	} elsif ($server_arg =~ /^ans/) {
+		push(@ans, $server_arg);
+	} else {
+		print "$0: ns or ans directory expected";
+		print "I:$test:failed";
+	}
+} else {
+	# Determine which servers need to be stopped for this test.
+	opendir DIR, $testdir or die "unable to read test directory: \"$test\" ($OS_ERROR)\n";
+	my @files = sort readdir DIR;
+	closedir DIR;
+
+	@ns = grep /^ns[0-9]*$/, @files;
+	@ans = grep /^ans[0-9]*$/, @files;
+}
+
+# Stop the server(s), pass 1: rndc.
+if ($use_rndc) {
+	foreach my $name(@ns) {
+		stop_rndc($name, $rndc_port);
+	}
+
+	@ns = wait_for_servers(30, @ns);
+}
+
+# Pass 2: SIGTERM
+foreach my $name (@ns) {
+	stop_signal($name, "TERM");
+}
+
+@ns = wait_for_servers(60, @ns);
+
+foreach my $name(@ans) {
+	stop_signal($name, "TERM", 1);
+}
+
+@ans = wait_for_servers(1200, @ans);
+
+# Pass 3: SIGABRT
+foreach my $name (@ns) {
+	print "I:$test:$name didn't die when sent a SIGTERM\n";
+	stop_signal($name, "ABRT");
+	$errors = 1;
+}
+foreach my $name (@ans) {
+	print "I:$test:$name didn't die when sent a SIGTERM\n";
+	stop_signal($name, "ABRT", 1);
+	$errors = 1;
+}
+
+exit($errors);
+
+# Subroutines
+
+# Return the full path to a given server's lock file.
+sub server_lock_file {
+	my ( $server ) = @_;
+
+	return $testdir . "/" . $server . "/named.lock" if ($server =~ /^ns/);
+	return if ($server =~ /^ans/);
+
+	die "Unknown server type $server\n";
+}
+
+# Return the full path to a given server's PID file.
+sub server_pid_file {
+	my ( $server ) = @_;
+
+	return $testdir . "/" . $server . "/named.pid" if ($server =~ /^ns/);
+	return $testdir . "/" . $server . "/ans.pid" if ($server =~ /^ans/);
+
+	die "Unknown server type $server\n";
+}
+
+# Read a PID.
+sub read_pid {
+	my ( $pid_file ) = @_;
+
+	return unless -f $pid_file;
+	# we don't really care about the race condition here
+	my $result = open(my $fh, "<", $pid_file);
+	if (!defined($result)) {
+		print "I:$test:$pid_file: $!\n";
+		unlink $pid_file;
+		return;
+	}
+
+	my $pid = <$fh>;
+	return unless defined($pid);
+
+	chomp($pid);
+	return $pid;
+}
+
+# Stop a named process with rndc.
+sub stop_rndc {
+	my ( $server, $port ) = @_;
+	my $n;
+
+	if ($server =~ /^ns(\d+)/) {
+		$n = $1;
+	} else {
+		die "unable to parse server number from name \"$server\"\n";
+	}
+
+	my $ip = "10.53.0.$n";
+	if (-e "$testdir/$server/named.ipv6-only") {
+		$ip = "fd92:7065:b8e:ffff::$n";
+	}
+
+	my $how = $halt ? "halt" : "stop";
+
+	# Ugly, but should work.
+	system("$RNDC -c ../common/rndc.conf -s $ip -p $port $how | sed 's/^/I:$test:$server /'");
+	return;
+}
+
+sub server_died {
+	my ( $server, $signal ) = @_;
+
+	print "I:$test:$server died before a SIG$signal was sent\n";
+	$errors = 1;
+
+	my $pid_file = server_pid_file($server);
+	unlink($pid_file);
+
+	return;
+}
+
+sub send_signal {
+	my ( $signal, $pid, $ans ) = @_;
+
+	if (! defined $ans) {
+		$ans = 0;
+	}
+
+	my $result = 0;
+
+	$result = kill $signal, $pid;
+	return $result;
+}
+
+# Stop a server by sending a signal to it.
+sub stop_signal {
+	my ( $server, $signal, $ans ) = @_;
+	if (! defined $ans) {
+		$ans = 0;
+	}
+
+	my $pid_file = server_pid_file($server);
+	my $pid = read_pid($pid_file);
+
+	return unless defined($pid);
+
+	# Send signal to the server, and bail out if signal can't be sent
+	if (send_signal($signal, $pid, $ans) != 1) {
+		server_died($server, $signal);
+		return;
+	}
+
+	return;
+}
+
+sub pid_file_exists {
+	my ( $server ) = @_;
+
+	my $pid_file = server_pid_file($server);
+	my $pid = read_pid($pid_file);
+
+	return unless defined($pid);
+
+	# If we're here, the PID file hasn't been cleaned up yet
+	if (send_signal(0, $pid) == 0) {
+		print "I:$test:$server crashed on shutdown\n";
+		$errors = 1;
+		return;
+	}
+
+	return $server;
+}
+
+sub lock_file_exists {
+	my ( $server ) = @_;
+	my $lock_file = server_lock_file($server);
+
+	return unless defined($lock_file) && -f $lock_file;
+
+	return $server;
+}
+
+sub wait_for_servers {
+	my ( $timeout, @servers ) = @_;
+
+	while ($timeout > 0 && @servers > 0) {
+		sleep 1 if (@servers > 0);
+		@servers =
+			grep { defined($_) }
+			map  { pid_file_exists($_) || lock_file_exists($_) } @servers;
+		$timeout--;
+	}
+
+	return @servers;
+}
diff --git a/bin/tests/system/stop.sh.in b/bin/tests/system/stop.sh.in
new file mode 100644
index 0000000..9b21356
--- /dev/null
+++ b/bin/tests/system/stop.sh.in
@@ -0,0 +1,22 @@
+#!/bin/sh
+#
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+builddir=@builddir@
+srcdir=@srcdir@
+
+# shellcheck source=conf.sh
+. "${builddir}/conf.sh"
+
+export builddir srcdir
+
+$PERL "${srcdir}/stop.pl" "$@"
diff --git a/bin/tests/system/stopall.sh b/bin/tests/system/stopall.sh
new file mode 100644
index 0000000..8eaa9d9
--- /dev/null
+++ b/bin/tests/system/stopall.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Stop all hanging processes from any system tests.
+#
+
+. ./conf.sh
+
+for d in $SUBDIRS
+do
+   $SHELL stop.sh $d
+done
diff --git a/bin/tests/system/stress/clean.sh b/bin/tests/system/stress/clean.sh
new file mode 100644
index 0000000..4833fa7
--- /dev/null
+++ b/bin/tests/system/stress/clean.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns?/zone*.bk
+
+rm -f ns2/zone0*.db
+rm -f ns2/zone0*.jnl
+rm -f */named.memstats
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.run
+rm -f ns*/named.conf
diff --git a/bin/tests/system/stress/ns2/named.conf.in b/bin/tests/system/stress/ns2/named.conf.in
new file mode 100644
index 0000000..607e0b5
--- /dev/null
+++ b/bin/tests/system/stress/ns2/named.conf.in
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "zone000000.example" {
+	type primary;
+	allow-update { any; };
+	file "zone000000.example.db";
+};
+
+zone "zone000001.example" {
+	type primary;
+	allow-update { any; };
+	file "zone000001.example.db";
+};
+
+zone "zone000002.example" {
+	type primary;
+	allow-update { any; };
+	file "zone000002.example.db";
+};
+
+zone "zone000003.example" {
+	type primary;
+	allow-update { any; };
+	file "zone000003.example.db";
+};
+
+zone "zone000004.example" {
+	type primary;
+	allow-update { any; };
+	file "zone000004.example.db";
+};
diff --git a/bin/tests/system/stress/ns2/zone.template.db b/bin/tests/system/stress/ns2/zone.template.db
new file mode 100644
index 0000000..7ca1cc3
--- /dev/null
+++ b/bin/tests/system/stress/ns2/zone.template.db
@@ -0,0 +1,21 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@	IN SOA 	ns2 hostmaster 1 300 120 3600 86400
+@	NS	ns2
+	NS	ns3
+	NS	ns4
+ns2	A	10.53.0.2
+ns3	A	10.53.0.3
+ns4	A	10.53.0.4
+
+$GENERATE 0-999 name${0,6} A 10.0.0.1
diff --git a/bin/tests/system/stress/ns3/named.conf.in b/bin/tests/system/stress/ns3/named.conf.in
new file mode 100644
index 0000000..13e54a5
--- /dev/null
+++ b/bin/tests/system/stress/ns3/named.conf.in
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+server 10.53.0.4 {
+	provide-ixfr no;
+};
+
+server 10.53.0.2 {
+	request-ixfr no;
+};
+
+zone "zone000000.example" {
+	type secondary;
+	file "zone000000.example.bk";
+	primaries { 10.53.0.2; };
+};
+
+zone "zone000001.example" {
+	type secondary;
+	file "zone000001.example.bk";
+	primaries { 10.53.0.2; };
+};
+
+zone "zone000002.example" {
+	type secondary;
+	file "zone000002.example.bk";
+	primaries { 10.53.0.2; };
+};
+
+zone "zone000003.example" {
+	type secondary;
+	file "zone000003.example.bk";
+	primaries { 10.53.0.2; };
+};
+
+zone "zone000004.example" {
+	type secondary;
+	file "zone000004.example.bk";
+	primaries { 10.53.0.2; };
+};
diff --git a/bin/tests/system/stress/ns4/named.conf.in b/bin/tests/system/stress/ns4/named.conf.in
new file mode 100644
index 0000000..26296f5
--- /dev/null
+++ b/bin/tests/system/stress/ns4/named.conf.in
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+};
+
+zone "zone000000.example" {
+	type secondary;
+	file "zone000000.example.bk";
+	primaries { 10.53.0.3; };
+};
+
+zone "zone000001.example" {
+	type secondary;
+	file "zone000001.example.bk";
+	primaries { 10.53.0.3; };
+};
+
+zone "zone000002.example" {
+	type secondary;
+	file "zone000002.example.bk";
+	primaries { 10.53.0.3; };
+};
+
+zone "zone000003.example" {
+	type secondary;
+	file "zone000003.example.bk";
+	primaries { 10.53.0.3; };
+};
+
+zone "zone000004.example" {
+	type secondary;
+	file "zone000004.example.bk";
+	primaries { 10.53.0.3; };
+};
diff --git a/bin/tests/system/stress/setup.sh b/bin/tests/system/stress/setup.sh
new file mode 100644
index 0000000..aab7002
--- /dev/null
+++ b/bin/tests/system/stress/setup.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+cp ns2/zone.template.db ns2/zone000000.example.db
+cp ns2/zone.template.db ns2/zone000001.example.db
+cp ns2/zone.template.db ns2/zone000002.example.db
+cp ns2/zone.template.db ns2/zone000003.example.db
+cp ns2/zone.template.db ns2/zone000004.example.db
+
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
diff --git a/bin/tests/system/stress/tests_stress_update.py b/bin/tests/system/stress/tests_stress_update.py
new file mode 100644
index 0000000..d326f14
--- /dev/null
+++ b/bin/tests/system/stress/tests_stress_update.py
@@ -0,0 +1,79 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import concurrent.futures
+import os
+import subprocess
+import time
+import dns.query
+import dns.update
+
+
+def rndc_loop(test_state, server):
+    rndc = os.getenv("RNDC")
+    port = os.getenv("CONTROLPORT")
+
+    cmdline = [
+        rndc,
+        "-c",
+        "../common/rndc.conf",
+        "-p",
+        port,
+        "-s",
+        server,
+        "reload",
+    ]
+
+    while not test_state["finished"]:
+        subprocess.run(cmdline, check=False)
+        time.sleep(1)
+
+
+def update_zone(test_state, zone, named_port, logger):
+    server = "10.53.0.2"
+    for i in range(1000):
+        if test_state["finished"]:
+            return
+        update = dns.update.UpdateMessage(zone)
+        update.add(f"dynamic-{i}.{zone}", 300, "TXT", f"txt-{i}")
+        try:
+            response = dns.query.udp(update, server, 10, named_port)
+            assert response.rcode() == dns.rcode.NOERROR
+        except dns.exception.Timeout:
+            logger.info(f"error: query timeout for {zone}")
+
+    logger.info(f"Update of {server} zone {zone} successful")
+
+
+# If the test has run to completion without named crashing, it has succeeded.
+def test_update_stress(named_port, logger):
+    test_state = {"finished": False}
+
+    with concurrent.futures.ThreadPoolExecutor() as executor:
+        executor.submit(rndc_loop, test_state, "10.53.0.3")
+
+        updaters = []
+        for i in range(5):
+            zone = f"zone00000{i}.example."
+            updaters.append(
+                executor.submit(update_zone, test_state, zone, named_port, logger)
+            )
+
+        # All the update_zone() tasks are expected to complete within 5
+        # minutes.  If they do not, we cannot assert immediately as that will
+        # cause the ThreadPoolExecutor context manager to wait indefinitely;
+        # instead, we first signal all tasks that it is time to exit and only
+        # check whether any task failed to finish within 5 minutes outside of
+        # the ThreadPoolExecutor context manager.
+        unfinished_tasks = concurrent.futures.wait(updaters, timeout=300).not_done
+        test_state["finished"] = True
+
+    assert not unfinished_tasks
diff --git a/bin/tests/system/stub/clean.sh b/bin/tests/system/stub/clean.sh
new file mode 100644
index 0000000..504df03
--- /dev/null
+++ b/bin/tests/system/stub/clean.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after stub tests.
+#
+rm -f dig.out.ns[35] ns3/child.example.st
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
+rm -f ns5/example.db
diff --git a/bin/tests/system/stub/knowngood.dig.out.norec b/bin/tests/system/stub/knowngood.dig.out.norec
new file mode 100644
index 0000000..ca0e458
--- /dev/null
+++ b/bin/tests/system/stub/knowngood.dig.out.norec
@@ -0,0 +1,21 @@
+
+; <<>> DiG 8.2 <<>> -p @10.53.0.3 +norec data.child.example txt
+; (1 server found)
+;; res options: init defnam dnsrch
+;; got answer:
+;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 216
+;; flags: qr ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
+;; QUERY SECTION:
+;;	data.child.example, type = TXT, class = IN
+
+;; AUTHORITY SECTION:
+child.example.		5M IN NS	ns2.child.example.
+
+;; ADDITIONAL SECTION:
+ns2.child.example.	5M IN A		10.53.0.2
+
+;; Total query time: 3 msec
+;; FROM: draco to SERVER: 10.53.0.3
+;; WHEN: Wed Jun 21 10:58:37 2000
+;; MSG SIZE  sent: 36  rcvd: 70
+
diff --git a/bin/tests/system/stub/knowngood.dig.out.rec b/bin/tests/system/stub/knowngood.dig.out.rec
new file mode 100644
index 0000000..8ea1968
--- /dev/null
+++ b/bin/tests/system/stub/knowngood.dig.out.rec
@@ -0,0 +1,18 @@
+
+; <<>> DiG 8.2 <<>> -p @10.53.0.3 data.child.example txt
+; (1 server found)
+;; res options: init recurs defnam dnsrch
+;; got answer:
+;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
+;; flags: qr rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1
+;; QUERY SECTION:
+;;	data.child.example, type = TXT, class = IN
+
+;; ANSWER SECTION:
+data.child.example.	5M IN TXT	"some" "test" "data"
+
+;; Total query time: 8 msec
+;; FROM: draco to SERVER: 10.53.0.3
+;; WHEN: Wed Jun 21 10:58:54 2000
+;; MSG SIZE  sent: 36  rcvd: 97
+
diff --git a/bin/tests/system/stub/ns1/named.conf.in b/bin/tests/system/stub/ns1/named.conf.in
new file mode 100644
index 0000000..2bf1b40
--- /dev/null
+++ b/bin/tests/system/stub/ns1/named.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	minimal-responses no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/stub/ns1/root.db b/bin/tests/system/stub/ns1/root.db
new file mode 100644
index 0000000..361f93e
--- /dev/null
+++ b/bin/tests/system/stub/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns3.example.
+ns3.example.		A	10.53.0.3
diff --git a/bin/tests/system/stub/ns2/child.example.db b/bin/tests/system/stub/ns2/child.example.db
new file mode 100644
index 0000000..9b50a2a
--- /dev/null
+++ b/bin/tests/system/stub/ns2/child.example.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+child.example.		IN SOA	ns2.child.example. hostmaster.child.example. (
+				2000042795 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+child.example.		NS	ns2.child.example.
+ns2.child.example.	A	10.53.0.2
+data			TXT     some test data
diff --git a/bin/tests/system/stub/ns2/named.conf.in b/bin/tests/system/stub/ns2/named.conf.in
new file mode 100644
index 0000000..1f006e0
--- /dev/null
+++ b/bin/tests/system/stub/ns2/named.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	minimal-responses no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "child.example" {
+	type primary;
+	file "child.example.db";
+};
diff --git a/bin/tests/system/stub/ns3/example.db b/bin/tests/system/stub/ns3/example.db
new file mode 100644
index 0000000..4d0b3f0
--- /dev/null
+++ b/bin/tests/system/stub/ns3/example.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	ns3.example. hostmaster.example. (
+				2000042795 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns3.example.
+ns3.example.		A	10.53.0.3
diff --git a/bin/tests/system/stub/ns3/named.conf.in b/bin/tests/system/stub/ns3/named.conf.in
new file mode 100644
index 0000000..e8e432f
--- /dev/null
+++ b/bin/tests/system/stub/ns3/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+	minimal-responses no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "child.example" {
+	type stub;
+	file "child.example.st";
+	primaries { 10.53.0.2; };
+};
diff --git a/bin/tests/system/stub/ns4/example.db b/bin/tests/system/stub/ns4/example.db
new file mode 100644
index 0000000..1afe983
--- /dev/null
+++ b/bin/tests/system/stub/ns4/example.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			IN SOA	ns4.example. hostmaster.example. (
+				2000042795 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+@        IN    NS      ns4
+ns4      IN    A       10.53.0.4
+         IN    AAAA    fd92:7065:b8e:ffff::4
+target   IN    TXT     "test"
diff --git a/bin/tests/system/stub/ns4/named.conf.in b/bin/tests/system/stub/ns4/named.conf.in
new file mode 100644
index 0000000..7e53972
--- /dev/null
+++ b/bin/tests/system/stub/ns4/named.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	minimal-responses yes;
+	dnssec-validation no;
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
diff --git a/bin/tests/system/stub/ns5/named.conf.in b/bin/tests/system/stub/ns5/named.conf.in
new file mode 100644
index 0000000..39e38cc
--- /dev/null
+++ b/bin/tests/system/stub/ns5/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+    dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type stub;
+	file "example.db";
+	primaries { 10.53.0.4 port @PORT@; };
+};
diff --git a/bin/tests/system/stub/setup.sh b/bin/tests/system/stub/setup.sh
new file mode 100644
index 0000000..5d12d6a
--- /dev/null
+++ b/bin/tests/system/stub/setup.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
diff --git a/bin/tests/system/stub/tests.sh b/bin/tests/system/stub/tests.sh
new file mode 100644
index 0000000..9a9ca66
--- /dev/null
+++ b/bin/tests/system/stub/tests.sh
@@ -0,0 +1,88 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp -p ${PORT}"
+
+status=0
+echo_i "check that the stub zone has been saved to disk"
+for i in 1 2 3 4 5 6 7 8 9 20
+do
+	[ -f ns3/child.example.st ] && break
+	sleep 1
+done
+[ -f ns3/child.example.st ] || { status=1;  echo_i "failed"; }
+
+for pass in 1 2
+do
+
+echo_i "trying an axfr that should be denied (NOTAUTH) (pass=$pass)"
+ret=0
+$DIG $DIGOPTS child.example. @10.53.0.3 axfr > dig.out.ns3 || ret=1
+grep "; Transfer failed." dig.out.ns3 > /dev/null || ret=1
+[ $ret = 0 ] || { status=1;  echo_i "failed"; }
+
+echo_i "look for stub zone data without recursion (should not be found) (pass=$pass)"
+for i in 1 2 3 4 5 6 7 8 9
+do
+	ret=0
+	$DIG $DIGOPTS +norec data.child.example. \
+		@10.53.0.3 txt > dig.out.ns3 || ret=1
+	grep "status: NOERROR" dig.out.ns3 > /dev/null || ret=1
+	[ $ret = 0 ] && break
+	sleep 1
+done
+digcomp knowngood.dig.out.norec dig.out.ns3 || ret=1
+[ $ret = 0 ] || { status=1;  echo_i "failed"; }
+
+echo_i "look for stub zone data with recursion (should be found) (pass=$pass)"
+ret=0
+$DIG $DIGOPTS +noauth +noadd data.child.example. @10.53.0.3 txt > dig.out.ns3 || ret=1
+digcomp knowngood.dig.out.rec dig.out.ns3 || ret=1
+[ $ret = 0 ] || { status=1;  echo_i "failed"; }
+
+[ $pass = 1 ] && {
+	echo_i "stopping stub server"
+	stop_server ns3
+
+	echo_i "re-starting stub server"
+	start_server --noclean --restart --port ${PORT} ns3
+}
+done
+
+echo_i "check that glue record is correctly transferred from primary when minimal-responses is on"
+ret=0
+# First ensure that zone data was transfered.
+for i in 1 2 3 4 5 6 7; do
+    [ -f ns5/example.db ] && break
+    sleep 1
+done
+
+if [ -f ns5/example.db ]; then
+    # If NS glue wasn't transferred,  this query would fail.
+    $DIG $DIGOPTS +nodnssec @10.53.0.5 target.example. txt > dig.out.ns5 || ret=1
+    grep  'target\.example.*TXT.*"test"' dig.out.ns5 > /dev/null || ret=1
+    # Ensure both ipv4 and ipv6 glue records were transferred.
+    grep -E 'ns4[[:space:]]+A[[:space:]]+10.53.0.4' ns5/example.db > /dev/null || ret=1
+    grep -E 'AAAA[[:space:]]+fd92:7065:b8e:ffff::4' ns5/example.db > /dev/null || ret=1
+    [ $ret = 0 ] || { status=1;  echo_i "failed"; }
+else
+    status=1
+    echo_i "failed: stub zone transfer failed ns4(primary) <---> ns5/example.db"
+fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/stub/tests_sh_stub.py b/bin/tests/system/stub/tests_sh_stub.py
new file mode 100644
index 0000000..311e450
--- /dev/null
+++ b/bin/tests/system/stub/tests_sh_stub.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_stub(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/synthfromdnssec/clean.sh b/bin/tests/system/synthfromdnssec/clean.sh
new file mode 100644
index 0000000..bd86173
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/clean.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+rm -f ./*/named.memstats
+rm -f ./*/named.conf
+rm -f ./*/named.run
+rm -f ./*/named.run.prev
+rm -f ./*/named.stats
+rm -f ./dig.out.*
+rm -f ./ns1/K*+*+*.key
+rm -f ./ns1/K*+*+*.private
+rm -f ./ns1/dsset-*
+rm -f ./ns1/example.db
+rm -f ./ns1/example.db.signed
+rm -f ./ns1/insecure.example.db
+rm -f ./ns1/insecure.example.db.signed
+rm -f ./ns1/dnamed.db
+rm -f ./ns1/dnamed.db.signed
+rm -f ./ns1/minimal.db
+rm -f ./ns1/minimal.db.signed
+rm -f ./ns1/root.db
+rm -f ./ns1/root.db.signed
+rm -f ./ns1/soa-without-dnskey.db
+rm -f ./ns1/soa-without-dnskey.db.signed
+rm -f ./ns1/trusted.conf
+rm -f ./ns2/named_dump.db
+rm -f ./ns*/managed-keys.bind*
+rm -f ./nodata.out ./insecure.nodata.out
+rm -f ./nxdomain.out ./insecure.nxdomain.out
+rm -f ./wild.out ./insecure.wild.out
+rm -f ./wildcname.out ./insecure.wildcname.out
+rm -f ./wildnodata1nsec.out ./insecure.wildnodata1nsec.out
+rm -f ./wildnodata2nsec.out ./insecure.wildnodata2nsec.out
+rm -f ./wildnodata2nsecafterdata.out ./insecure.wildnodata2nsecafterdata.out
+rm -f ./minimal.nxdomain.out
+rm -f ./black.out
+rm -f ./xml.out*
+rm -f ./json.out*
diff --git a/bin/tests/system/synthfromdnssec/ns1/dnamed.db.in b/bin/tests/system/synthfromdnssec/ns1/dnamed.db.in
new file mode 100644
index 0000000..61dfcf8
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns1/dnamed.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	ns1 hostmaster 1 3600 1200 604800 5
+@		NS	ns1
+ns1		A	10.53.0.1
+a		A	10.53.0.1
+dname		DNAME	example.
diff --git a/bin/tests/system/synthfromdnssec/ns1/example.db.in b/bin/tests/system/synthfromdnssec/ns1/example.db.in
new file mode 100644
index 0000000..79d5c27
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns1/example.db.in
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	ns1 hostmaster 1 3600 1200 604800 3600
+@		NS	ns1
+ns1		A	10.53.0.1
+nodata		TXT	nodata
+*.wild-a	A	1.2.3.4
+*.wild-cname 	CNAME	ns1
+*.wild-1-nsec	A	1.2.3.4
+*.wild-2-nsec 	A	1.2.3.4
+_x.wild-2-nsec	TXT	a name beween wild-2-nsec and a.wild-2-nsec
+*.wild-2-nsec-afterdata 	A	1.2.3.4
+*.wild-2-nsec-afterdata 	AAAA	2002::1
+_x.wild-2-nsec-afterdata	TXT	a name beween wild-2-nsec-afterdata and a.wild-2-nsec-afterdata
+dnamed		DNAME	dnamed.
diff --git a/bin/tests/system/synthfromdnssec/ns1/minimal.db.in b/bin/tests/system/synthfromdnssec/ns1/minimal.db.in
new file mode 100644
index 0000000..2df3890
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns1/minimal.db.in
@@ -0,0 +1,46 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+minimal.		3600	SOA	ns1.minimal. hostmaster.minimal. (
+					1          ; serial
+					3600       ; refresh (1 hour)
+					1200       ; retry (20 minutes)
+					604800     ; expire (1 week)
+					3600       ; minimum (1 hour)
+					)
+			3600	NS	ns1.minimal.
+			3600	NSEC	badtypemap.minimal. NS SOA RRSIG NSEC DNSKEY
+; bad NSEC type map without RRSIG or NSEC
+badtypemap.minimal.	3600	NSEC	black.minimal. A
+badtypemap.minimal.	3600	A	1.2.3.4
+badtypemap.minimal.	3600	AAAA	2002::1
+; cloudflare black lie
+black.minimal.		3600	NSEC	\000.black.minimal. RRSIG NSEC
+;
+dnamed.minimal.		3600	DNAME	dnamed.
+			3600	NSEC	insecure.minimal. DNAME RRSIG NSEC
+insecure.minimal.	3600	NS	ns1.insecure.minimal.
+			3600	NSEC	nodata.minimal. NS RRSIG NSEC
+nodata.minimal.		3600	TXT	"nodata"
+			3600	NSEC	ns1.minimal. TXT RRSIG NSEC
+; incomplete chain pointing at non-existent ns2.minimal
+ns1.minimal.		3600	A	10.53.0.1
+			3600	NSEC	ns2.minimal. A RRSIG NSEC
+; minimal response for nxdomain.minimal.
+nxdomaia.minimal.	3600	NSEC	nxdomaiz.minimal. RRSIG NSEC
+;
+*.wild-a.minimal.	3600	A	1.2.3.4
+			3600	NSEC	*.wild-cname.minimal. A RRSIG NSEC
+*.wild-cname.minimal.	3600	CNAME	ns1.minimal.
+			3600	NSEC	minimal. CNAME RRSIG NSEC
+; glue
+ns1.insecure.minimal.	3600	A	10.53.0.1
diff --git a/bin/tests/system/synthfromdnssec/ns1/named.conf.in b/bin/tests/system/synthfromdnssec/ns1/named.conf.in
new file mode 100644
index 0000000..9a86e24
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns1/named.conf.in
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+statistics-channels {
+	inet 10.53.0.1 port @EXTRAPORT1@ allow { any; };
+};
+
+zone "." {
+	type primary;
+	file "root.db.signed";
+};
+
+zone "example" {
+	type primary;
+	file "example.db.signed";
+};
+
+zone "insecure.example" {
+	type primary;
+	file "insecure.example.db.signed";
+};
+
+zone "dnamed" {
+	type primary;
+	file "dnamed.db.signed";
+};
+
+zone "minimal" {
+	type primary;
+	file "minimal.db.signed";
+};
+
+zone "soa-without-dnskey" {
+	type primary;
+	file "soa-without-dnskey.db.signed";
+};
+
+include "trusted.conf";
diff --git a/bin/tests/system/synthfromdnssec/ns1/root.db.in b/bin/tests/system/synthfromdnssec/ns1/root.db.in
new file mode 100644
index 0000000..bade656
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns1/root.db.in
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	ns1 hostmaster 1 3600 1200 604800 3600
+@		NS	ns1
+ns1		A	10.53.0.1
+example		NS	ns1.example
+fun		NS	ns1.example
+ns1.example	A	10.53.0.1
+dnamed		NS	ns1.dnamed
+ns1.dnamed	A	10.53.0.1
+minimal		NS	ns1.minimal
+ns1.minimal	A	10.53.0.1
+soa-without-dnskey NS	ns1.soa-without-dnskey
+ns1.soa-without-dnskey A 10.53.0.1
diff --git a/bin/tests/system/synthfromdnssec/ns1/sign.sh b/bin/tests/system/synthfromdnssec/ns1/sign.sh
new file mode 100644
index 0000000..9f699a0
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns1/sign.sh
@@ -0,0 +1,76 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../../conf.sh
+
+zone=example
+infile=example.db.in
+zonefile=example.db
+
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+cat "$infile" "$keyname.key" > "$zonefile"
+echo insecure NS ns1.insecure >> "$zonefile"
+echo ns1.insecure A 10.53.0.1 >> "$zonefile"
+
+$SIGNER -P -o $zone $zonefile > /dev/null
+
+zone=insecure.example
+infile=example.db.in
+zonefile=insecure.example.db
+
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+cat "$infile" "$keyname.key" > "$zonefile"
+
+$SIGNER -P -o $zone $zonefile > /dev/null
+
+zone=dnamed
+infile=dnamed.db.in
+zonefile=dnamed.db
+
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+cat "$infile" "$keyname.key" > "$zonefile"
+
+$SIGNER -P -o $zone $zonefile > /dev/null
+
+zone=minimal
+infile=minimal.db.in
+zonefile=minimal.db
+
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+cat "$infile" "$keyname.key" > "$zonefile"
+
+# do not regenerate NSEC chain as there in a minimal NSEC record present
+$SIGNER -P -Z nonsecify -o $zone $zonefile > /dev/null
+
+zone=soa-without-dnskey
+infile=soa-without-dnskey.db.in
+zonefile=soa-without-dnskey.db
+
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+cat "$infile" "$keyname.key" > "$zonefile"
+
+# do not regenerate NSEC chain as there in a minimal NSEC record present
+$SIGNER -P -Z nonsecify -o $zone $zonefile > /dev/null
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -b ${DEFAULT_BITS} -n zone $zone)
+cat "$infile" "$keyname.key" > "$zonefile"
+
+$SIGNER -P -g -o $zone $zonefile > /dev/null
+
+# Configure the resolving server with a static key.
+keyfile_to_static_ds "$keyname" > trusted.conf
diff --git a/bin/tests/system/synthfromdnssec/ns1/soa-without-dnskey.db.in b/bin/tests/system/synthfromdnssec/ns1/soa-without-dnskey.db.in
new file mode 100644
index 0000000..a8ad40c
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns1/soa-without-dnskey.db.in
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+soa-without-dnskey.	3600	SOA	ns1.soa-without-dnskey. hostmaster.soa-without-dnskey. (
+					1          ; serial
+					3600       ; refresh (1 hour)
+					1200       ; retry (20 minutes)
+					604800     ; expire (1 week)
+					3600       ; minimum (1 hour)
+					)
+			3600	NS	ns1.soa-without-dnskey.
+			3600	NSEC	ns1.soa-without-dnskey. NS SOA RRSIG NSEC
+ns1.soa-without-dnskey.	3600	A	10.53.0.1
+			3600	NSEC	soa-without-dnskey. A RRSIG NSEC
diff --git a/bin/tests/system/synthfromdnssec/ns2/example.internal.db b/bin/tests/system/synthfromdnssec/ns2/example.internal.db
new file mode 100644
index 0000000..938159b
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns2/example.internal.db
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	ns2 hostmaster 1 3600 1200 604800 3600
+@		NS	ns2
+@		A	1.2.3.4
+ns2		A	10.53.0.2
diff --git a/bin/tests/system/synthfromdnssec/ns2/named.conf.in b/bin/tests/system/synthfromdnssec/ns2/named.conf.in
new file mode 100644
index 0000000..f4b5059
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns2/named.conf.in
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+statistics-channels {
+	inet 10.53.0.2 port @EXTRAPORT1@ allow { any; };
+};
+
+zone "." {
+	type hint;
+	file "root.hints";
+};
+
+zone "example.internal" {
+	type primary;
+	file "example.internal.db";
+};
+
+zone "example.internal2" {
+	type primary;
+	file "example.internal.db";
+};
+
+include "../ns1/trusted.conf";
diff --git a/bin/tests/system/synthfromdnssec/ns2/root.hints b/bin/tests/system/synthfromdnssec/ns2/root.hints
new file mode 100644
index 0000000..6b80b9e
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns2/root.hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	NS	ns1
+ns1	A	10.53.0.1
diff --git a/bin/tests/system/synthfromdnssec/ns3/named.conf.in b/bin/tests/system/synthfromdnssec/ns3/named.conf.in
new file mode 100644
index 0000000..874143a
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns3/named.conf.in
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS3
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+statistics-channels {
+	inet 10.53.0.3 port @EXTRAPORT1@ allow { any; };
+};
+
+zone "." {
+	type hint;
+	file "root.hints";
+};
+
+zone "." {
+	type redirect;
+	file "redirect.db";
+};
+
+include "../ns1/trusted.conf";
diff --git a/bin/tests/system/synthfromdnssec/ns3/redirect.db b/bin/tests/system/synthfromdnssec/ns3/redirect.db
new file mode 100644
index 0000000..c529ad2
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns3/redirect.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@ IN SOA ns.example.net hostmaster.example.net 0 0 0 0 0
+@ IN NS ns.example.net
+;
+; NS records do not need address records in this zone as it is not in the
+; normal namespace.
+;
+*.redirect. IN A 100.100.100.2
+*.redirect. IN AAAA 2001:ffff:ffff::100.100.100.2
diff --git a/bin/tests/system/synthfromdnssec/ns3/root.hints b/bin/tests/system/synthfromdnssec/ns3/root.hints
new file mode 100644
index 0000000..6b80b9e
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns3/root.hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	NS	ns1
+ns1	A	10.53.0.1
diff --git a/bin/tests/system/synthfromdnssec/ns4/named.conf.in b/bin/tests/system/synthfromdnssec/ns4/named.conf.in
new file mode 100644
index 0000000..c9d9210
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns4/named.conf.in
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS4
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation yes;
+	synth-from-dnssec no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+statistics-channels {
+	inet 10.53.0.4 port @EXTRAPORT1@ allow { any; };
+};
+
+zone "." {
+	type hint;
+	file "root.hints";
+};
+
+include "../ns1/trusted.conf";
diff --git a/bin/tests/system/synthfromdnssec/ns4/root.hints b/bin/tests/system/synthfromdnssec/ns4/root.hints
new file mode 100644
index 0000000..6b80b9e
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns4/root.hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	NS	ns1
+ns1	A	10.53.0.1
diff --git a/bin/tests/system/synthfromdnssec/ns5/internal2.db b/bin/tests/system/synthfromdnssec/ns5/internal2.db
new file mode 100644
index 0000000..4f07f70
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns5/internal2.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	ns5 hostmaster 1 3600 1200 604800 3600
+@		NS	ns5
+ns5		A	10.53.0.5
+example		NS	ns2.example
+ns2.example	A	10.53.0.2
diff --git a/bin/tests/system/synthfromdnssec/ns5/named.conf.in b/bin/tests/system/synthfromdnssec/ns5/named.conf.in
new file mode 100644
index 0000000..4249548
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns5/named.conf.in
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation yes;
+	synth-from-dnssec yes;
+	validate-except { example.internal; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+statistics-channels {
+	inet 10.53.0.5 port @EXTRAPORT1@ allow { any; };
+};
+
+zone "." {
+	type hint;
+	file "root.hints";
+};
+
+zone "example.internal" {
+	type forward;
+	forward only;
+	forwarders { 10.53.0.2; };
+};
+
+zone "internal2" {
+	type primary;
+	file "internal2.db";
+};
+
+include "../ns1/trusted.conf";
diff --git a/bin/tests/system/synthfromdnssec/ns5/root.hints b/bin/tests/system/synthfromdnssec/ns5/root.hints
new file mode 100644
index 0000000..6b80b9e
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns5/root.hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	NS	ns1
+ns1	A	10.53.0.1
diff --git a/bin/tests/system/synthfromdnssec/ns6/named.conf.in b/bin/tests/system/synthfromdnssec/ns6/named.conf.in
new file mode 100644
index 0000000..c10e0f7
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns6/named.conf.in
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS6
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+	dnssec-validation no;
+	synth-from-dnssec yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+statistics-channels {
+	inet 10.53.0.6 port @EXTRAPORT1@ allow { any; };
+};
+
+zone "." {
+	type hint;
+	file "root.hints";
+};
+
+include "../ns1/trusted.conf";
diff --git a/bin/tests/system/synthfromdnssec/ns6/root.hints b/bin/tests/system/synthfromdnssec/ns6/root.hints
new file mode 100644
index 0000000..6b80b9e
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/ns6/root.hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+.	NS	ns1
+ns1	A	10.53.0.1
diff --git a/bin/tests/system/synthfromdnssec/setup.sh b/bin/tests/system/synthfromdnssec/setup.sh
new file mode 100644
index 0000000..d109871
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/setup.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+set -e
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+
+(
+    cd ns1
+    $SHELL sign.sh
+)
diff --git a/bin/tests/system/synthfromdnssec/tests.sh b/bin/tests/system/synthfromdnssec/tests.sh
new file mode 100644
index 0000000..1bfd00b
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/tests.sh
@@ -0,0 +1,904 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# set -e
+#
+# shellcheck source=conf.sh
+. ../conf.sh
+
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+set -e
+
+status=0
+n=1
+synth_default=yes
+
+rm -f dig.out.*
+
+dig_with_opts() {
+    "$DIG" +tcp +noadd +nosea +nostat +nocmd +dnssec -p "$PORT" "$@"
+}
+
+check_ad_flag() {
+    if [ ${1} = yes ]
+    then
+	grep "flags:[^;]* ad[^;]*; QUERY" ${2} > /dev/null || return 1
+    else
+	grep "flags:[^;]* ad[^;]*; QUERY" ${2} > /dev/null && return 1
+    fi
+    return 0
+}
+
+check_status() {
+    grep "status: ${1}," ${2} > /dev/null || return 1
+    return 0
+}
+
+check_synth_soa() (
+    name=$(echo "$1" | sed 's/\./\\./g')
+    grep "^${name}.*[0-9]*.IN.SOA" ${2} > /dev/null || return 1
+    grep "^${name}.*3600.IN.SOA" ${2} > /dev/null && return 1
+    return 0
+)
+
+check_nosynth_soa() (
+    name=$(echo "$1" | sed 's/\./\\./g')
+    grep "^${name}.*3600.IN.SOA" ${2} > /dev/null || return 1
+    return 0
+)
+
+check_synth_a() (
+    name=$(echo "$1" | sed 's/\./\\./g')
+    grep "^${name}.*[0-9]*.IN.A.[0-2]" ${2} > /dev/null || return 1
+    grep "^${name}.*3600.IN.A.[0-2]" ${2} > /dev/null && return 1
+    return 0
+)
+
+check_nosynth_a() (
+    name=$(echo "$1" | sed 's/\./\\./g')
+    grep "^${name}.*3600.IN.A.[0-2]" ${2} > /dev/null || return 1
+    return 0
+)
+
+check_synth_aaaa() (
+    name=$(echo "$1" | sed 's/\./\\./g')
+    grep "^${name}.*[0-9]*.IN.AAAA" ${2} > /dev/null || return 1
+    grep "^${name}.*3600.IN.A" ${2} > /dev/null && return 1
+    return 0
+)
+
+check_nosynth_aaaa() (
+    name=$(echo "$1" | sed 's/\./\\./g')
+    grep "^${name}.*3600.IN.AAAA" ${2} > /dev/null || return 1
+    return 0
+)
+
+check_synth_cname() (
+    name=$(echo "$1" | sed 's/\./\\./g')
+    grep "^${name}.*[0-9]*.IN.CNAME" ${2} > /dev/null || return 1
+    grep "^${name}.*3600.IN.CNAME" ${2} > /dev/null && return 1
+    return 0
+)
+
+check_nosynth_cname() (
+    name=$(echo "$1" | sed 's/\./\\./g')
+    grep "^${name}.*3600.IN.CNAME" ${2} > /dev/null || return 1
+    return 0
+)
+
+check_auth_count() {
+    grep "AUTHORITY: ${1}," ${2} > /dev/null || return 1
+    return 0
+}
+
+for ns in 2 4 5 6
+do
+    case $ns in
+    2) ad=yes; description="<default>";;
+    4) ad=yes; description="no";;
+    5) ad=yes; description="yes";;
+    6) ad=no; description="yes; dnssec-validation no";;
+    *) exit 1;;
+    esac
+    echo_i "prime negative NXDOMAIN response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NXDOMAIN dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa example. dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && cp dig.out.ns${ns}.test$n nxdomain.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime negative NODATA response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts nodata.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa example. dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && cp dig.out.ns${ns}.test$n nodata.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime wildcard response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.wild-a.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_a a.wild-a.example. dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && sed 's/^a\./b./' dig.out.ns${ns}.test$n > wild.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime wildcard CNAME response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.wild-cname.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_cname a.wild-cname.example. dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && sed 's/^a\./b./' dig.out.ns${ns}.test$n > wildcname.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime wildcard NODATA 1 NSEC response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.wild-1-nsec.example. @10.53.0.${ns} TXT > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa example. dig.out.ns${ns}.test$n || ret=1
+    check_auth_count 4 dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && sed 's/^a\./b./' dig.out.ns${ns}.test$n > wildnodata1nsec.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime wildcard NODATA 2 NSEC response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.wild-2-nsec.example. @10.53.0.${ns} TXT > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa example. dig.out.ns${ns}.test$n || ret=1
+    check_auth_count 6 dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && sed 's/^a\./b./' dig.out.ns${ns}.test$n > wildnodata2nsec.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime wildcard NODATA 2 NSEC after data response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.wild-2-nsec-afterdata.example. @10.53.0.${ns} TXT > dig.out.txt.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.txt.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.txt.ns${ns}.test$n || ret=1
+    check_nosynth_soa example. dig.out.txt.ns${ns}.test$n || ret=1
+    check_auth_count 6 dig.out.txt.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && sed 's/^a\./b./' dig.out.txt.ns${ns}.test$n > wildnodata2nsecafterdata.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime insecure negative NXDOMAIN response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.insecure.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NXDOMAIN dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa insecure.example. dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && cp dig.out.ns${ns}.test$n insecure.nxdomain.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime insecure negative NODATA response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts nodata.insecure.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa insecure.example. dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && cp dig.out.ns${ns}.test$n insecure.nodata.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime insecure wildcard response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.wild-a.insecure.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_a a.wild-a.insecure.example. dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && sed 's/^a\./b./' dig.out.ns${ns}.test$n > insecure.wild.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime wildcard CNAME response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.wild-cname.insecure.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_cname a.wild-cname.insecure.example. dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && sed 's/^a\./b./' dig.out.ns${ns}.test$n > insecure.wildcname.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime insecure wildcard NODATA 1 NSEC response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.wild-1-nsec.insecure.example. @10.53.0.${ns} TXT > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa insecure.example. dig.out.ns${ns}.test$n || ret=1
+    check_auth_count 4 dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && cp dig.out.ns${ns}.test$n insecure.wildnodata1nsec.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime insecure wildcard NODATA 2 NSEC response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.wild-2-nsec.insecure.example. @10.53.0.${ns} TXT > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa insecure.example. dig.out.ns${ns}.test$n || ret=1
+    check_auth_count 6 dig.out.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && cp dig.out.ns${ns}.test$n insecure.wildnodata2nsec.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime insecure wildcard NODATA 2 NSEC after data response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts a.wild-2-nsec-afterdata.insecure.example. @10.53.0.${ns} TXT > dig.out.txt.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.txt.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.txt.ns${ns}.test$n || ret=1
+    check_nosynth_soa insecure.example. dig.out.txt.ns${ns}.test$n || ret=1
+    check_auth_count 6 dig.out.txt.ns${ns}.test$n || ret=1
+    [ $ns -eq 2 ] && sed 's/^a\./b./' dig.out.txt.ns${ns}.test$n > insecure.wildnodata2nsecafterdata.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime minimal NXDOMAIN response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts nxdomain.minimal. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NXDOMAIN dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa minimal. dig.out.ns${ns}.test$n || ret=1
+    grep "nxdomaia.minimal.*3600.IN.NSEC.nxdomaiz.minimal. RRSIG NSEC" dig.out.ns${ns}.test$n > /dev/null || ret=1
+    [ $ns -eq 2 ] && cp dig.out.ns${ns}.test$n minimal.nxdomain.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime black lie NODATA response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts black.minimal. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa minimal. dig.out.ns${ns}.test$n || ret=1
+    grep 'black.minimal.*3600.IN.NSEC.\\000.black.minimal. RRSIG NSEC' dig.out.ns${ns}.test$n > /dev/null || ret=1
+    [ $ns -eq 2 ] && cp dig.out.ns${ns}.test$n black.out
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime bad type map NODATA response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts badtypemap.minimal. @10.53.0.${ns} TXT > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa minimal. dig.out.ns${ns}.test$n || ret=1
+    grep 'badtypemap.minimal.*3600.IN.NSEC.black.minimal. A$' dig.out.ns${ns}.test$n > /dev/null || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "prime SOA without DNSKEY bad type map NODATA response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts soa-without-dnskey. @10.53.0.${ns} TXT > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa soa-without-dnskey. dig.out.ns${ns}.test$n || ret=1
+    grep 'soa-without-dnskey.*3600.IN.NSEC.ns1.soa-without-dnskey. NS SOA RRSIG NSEC$' dig.out.ns${ns}.test$n > /dev/null || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+done
+
+echo_i "prime redirect response (+nodnssec) (synth-from-dnssec <default>;) ($n)"
+ret=0
+dig_with_opts +nodnssec a.redirect. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+check_ad_flag no dig.out.ns3.test$n || ret=1
+check_status NOERROR dig.out.ns3.test$n || ret=1
+grep 'a\.redirect\..*300.IN.A.100\.100\.100\.2' dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+#
+# ensure TTL of synthesised answers differs from direct answers.
+#
+sleep 1
+
+for ns in 2 4 5 6
+do
+    case $ns in
+    2) ad=yes synth=${synth_default} description="<default>";;
+    4) ad=yes synth=no description="no";;
+    5) ad=yes synth=yes description="yes";;
+    6) ad=no synth=no description="yes; dnssec-validation no";;
+    *) exit 1;;
+    esac
+    echo_i "check synthesized NXDOMAIN response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NXDOMAIN dig.out.ns${ns}.test$n || ret=1
+    if [ ${synth} = yes ]
+    then
+	check_synth_soa example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.example/A > /dev/null && ret=1
+    else
+	check_nosynth_soa example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.example/A > /dev/null || ret=1
+    fi
+    digcomp nxdomain.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check synthesized NODATA response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts nodata.example. @10.53.0.${ns} aaaa > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    if [ ${synth} = yes ]
+    then
+	check_synth_soa example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep nodata.example/AAAA > /dev/null && ret=1
+    else
+	check_nosynth_soa example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep nodata.example/AAAA > /dev/null || ret=1
+    fi
+    digcomp nodata.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check synthesized wildcard response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.wild-a.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    if [ ${synth} = yes ]
+    then
+	check_synth_a b.wild-a.example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.wild-a.example/A > /dev/null && ret=1
+    else
+	check_nosynth_a b.wild-a.example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.wild-a.example/A > /dev/null || ret=1
+    fi
+    digcomp wild.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check synthesized wildcard CNAME response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.wild-cname.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    if [ ${synth} = yes ]
+    then
+	check_synth_cname b.wild-cname.example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.wild-cname.example/A > /dev/null && ret=1
+    else
+	check_nosynth_cname b.wild-cname.example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.wild-cname.example/A > /dev/null || ret=1
+    fi
+    grep "ns1.example.*.IN.A" dig.out.ns${ns}.test$n > /dev/null || ret=1
+    digcomp wildcname.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check synthesized wildcard NODATA 1 NSEC response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.wild-1-nsec.example. @10.53.0.${ns} AAAA > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    if [ ${synth} = yes ]
+    then
+	check_synth_soa example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.wild-1-nsec.example/AAAA > /dev/null && ret=1
+    else
+	check_nosynth_soa example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.wild-1-nsec.example/AAAA > /dev/null || ret=1
+    fi
+    digcomp wildnodata1nsec.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check synthesized wildcard NODATA 2 NSEC response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.wild-2-nsec.example. @10.53.0.${ns} AAAA > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    if [ ${synth} = yes ]
+    then
+	check_synth_soa example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.wild-2-nsec.example/AAAA > /dev/null && ret=1
+    else
+	check_nosynth_soa example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.wild-2-nsec.example/AAAA > /dev/null || ret=1
+    fi
+    digcomp wildnodata2nsec.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check synthesized wildcard NODATA 2 NSEC after data response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    # Use AAAA to avoid cached qname minimisation _.wild-2-nsec-afterdata.example A record
+    dig_with_opts b.wild-2-nsec-afterdata.example. @10.53.0.${ns} AAAA > dig.out.a.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.a.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.a.ns${ns}.test$n || ret=1
+    check_nosynth_aaaa b.wild-2-nsec-afterdata.example. dig.out.a.ns${ns}.test$n || ret=1
+    #
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.wild-2-nsec-afterdata.example. @10.53.0.${ns} TLSA > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    if [ ${synth} = yes ]
+    then
+	check_synth_soa example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.wild-2-nsec-afterdata.example/TLSA > /dev/null && ret=1
+    else
+	check_nosynth_soa example. dig.out.ns${ns}.test$n || ret=1
+	nextpart ns1/named.run | grep b.wild-2-nsec-afterdata.example/TLSA > /dev/null || ret=1
+    fi
+    digcomp wildnodata2nsecafterdata.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check insecure NXDOMAIN response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.insecure.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NXDOMAIN dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa insecure.example. dig.out.ns${ns}.test$n || ret=1
+    nextpart ns1/named.run | grep b.insecure.example/A > /dev/null || ret=1
+    digcomp insecure.nxdomain.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check insecure NODATA response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts nodata.insecure.example. @10.53.0.${ns} aaaa > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa insecure.example. dig.out.ns${ns}.test$n || ret=1
+    nextpart ns1/named.run | grep nodata.insecure.example/AAAA > /dev/null || ret=1
+    digcomp insecure.nodata.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check insecure wildcard response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.wild-a.insecure.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    grep "b\.wild-a\.insecure\.example\..*3600.IN.A" dig.out.ns${ns}.test$n > /dev/null || ret=1
+    nextpart ns1/named.run | grep b.wild-a.insecure.example/A > /dev/null || ret=1
+    digcomp insecure.wild.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check insecure wildcard CNAME response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.wild-cname.insecure.example. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_cname b.wild-cname.insecure.example dig.out.ns${ns}.test$n || ret=1
+    nextpart ns1/named.run | grep b.wild-cname.insecure.example/A > /dev/null || ret=1
+    grep "ns1.insecure.example.*.IN.A" dig.out.ns${ns}.test$n > /dev/null || ret=1
+    digcomp insecure.wildcname.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check insecure wildcard NODATA 1 NSEC response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.wild-1-nsec.insecure.example. @10.53.0.${ns} AAAA > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa insecure.example. dig.out.ns${ns}.test$n || ret=1
+    digcomp insecure.wildnodata1nsec.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check insecure wildcard NODATA 2 NSEC response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.wild-2-nsec.insecure.example. @10.53.0.${ns} AAAA > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa insecure.example. dig.out.ns${ns}.test$n || ret=1
+    digcomp insecure.wildnodata2nsec.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check insecure wildcard NODATA 2 NSEC after data response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts b.wild-2-nsec-afterdata.insecure.example. @10.53.0.${ns} AAAA > dig.out.a.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.a.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.a.ns${ns}.test$n || ret=1
+    check_nosynth_aaaa b.wild-2-nsec-afterdata.insecure.example. dig.out.a.ns${ns}.test$n || ret=1
+    #
+    dig_with_opts b.wild-2-nsec-afterdata.insecure.example. @10.53.0.${ns} TLSA > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag no dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa insecure.example. dig.out.ns${ns}.test$n || ret=1
+    digcomp insecure.wildnodata2nsecafterdata.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check minimal NXDOMAIN response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts nxdomaic.minimal. @10.53.0.${ns} a > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NXDOMAIN dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa minimal. dig.out.ns${ns}.test$n || ret=1
+    nextpart ns1/named.run | grep nxdomaic.minimal/A > /dev/null || ret=1
+    digcomp minimal.nxdomain.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check black lie NODATA response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    nextpart ns1/named.run > /dev/null
+    dig_with_opts black.minimal. @10.53.0.${ns} aaaa > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa minimal. dig.out.ns${ns}.test$n || ret=1
+    nextpart ns1/named.run | grep black.minimal/AAAA > /dev/null || ret=1
+    digcomp black.out dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check bad type map NODATA response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts badtypemap.minimal. @10.53.0.${ns} HINFO > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa minimal. dig.out.ns${ns}.test$n || ret=1
+    grep 'badtypemap.minimal.*3600.IN.NSEC.black.minimal. A$' dig.out.ns${ns}.test$n > /dev/null || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check bad type map NODATA response with existent data (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts badtypemap.minimal. @10.53.0.${ns} AAAA > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_aaaa badtypemap.minimal. dig.out.ns${ns}.test$n || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check SOA without DNSKEY bad type map NODATA response (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    dig_with_opts soa-without-dnskey. @10.53.0.${ns} A > dig.out.ns${ns}.test$n || ret=1
+    check_ad_flag $ad dig.out.ns${ns}.test$n || ret=1
+    check_status NOERROR dig.out.ns${ns}.test$n || ret=1
+    check_nosynth_soa soa-without-dnskey. dig.out.ns${ns}.test$n || ret=1
+    grep 'soa-without-dnskey.*3600.IN.NSEC.ns1.soa-without-dnskey. NS SOA RRSIG NSEC$' dig.out.ns${ns}.test$n > /dev/null || ret=1
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check 'rndc stats' output for 'covering nsec returned' (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    ${RNDCCMD} 10.53.0.${ns} stats 2>&1 | sed 's/^/ns6 /' | cat_i
+    # 2 views, _bind should always be '0 covering nsec returned'
+    count=$(grep "covering nsec returned" ns${ns}/named.stats | wc -l)
+    test $count = 2 || ret=1
+    zero=$(grep " 0 covering nsec returned" ns${ns}/named.stats | wc -l)
+    if [ ${synth} = yes ]
+    then
+	test $zero = 1 || ret=1
+    else
+	test $zero = 2 || ret=1
+    fi
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    echo_i "check 'rndc stats' output for 'cache NSEC auxiliary database nodes' (synth-from-dnssec ${description};) ($n)"
+    ret=0
+    # 2 views, _bind should always be '0 cache NSEC auxiliary database nodes'
+    count=$(grep "cache NSEC auxiliary database nodes" ns${ns}/named.stats | wc -l)
+    test $count = 2 || ret=1
+    zero=$(grep "0 cache NSEC auxiliary database nodes" ns${ns}/named.stats | wc -l)
+    if [ ${ad} = yes ]
+    then
+	test $zero = 1 || ret=1
+    else
+	test $zero = 2 || ret=1
+    fi
+    n=$((n+1))
+    if [ $ret != 0 ]; then echo_i "failed"; fi
+    status=$((status+ret))
+
+    for synthesized in NXDOMAIN no-data wildcard
+    do
+	case $synthesized in
+	NXDOMAIN) count=1;;
+	no-data) count=4;;
+	wildcard) count=2;;
+	esac
+	echo_i "check 'rndc stats' output for 'synthesized a ${synthesized} response' (synth-from-dnssec ${description};) ($n)"
+	ret=0
+	if [ ${synth} = yes ]
+	then
+	    grep "$count synthesized a ${synthesized} response" ns${ns}/named.stats > /dev/null || ret=1
+	else
+	    grep "synthesized a ${synthesized} response" ns${ns}/named.stats > /dev/null && ret=1
+	fi
+	n=$((n+1))
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+   done
+
+   if ${FEATURETEST} --have-libxml2 && [ -x "${CURL}" ] ; then
+	echo_i "getting XML statisistcs for (synth-from-dnssec ${description};) ($n)"
+	ret=0
+	xml=xml.out$n
+	${CURL} http://10.53.0.${ns}:${EXTRAPORT1}/xml/v3/server > $xml 2>/dev/null || ret=1
+	n=$((n+1))
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+
+	echo_i "check XML for 'CoveringNSEC' with (synth-from-dnssec ${description};) ($n)"
+	ret=0
+	counter=$(sed -n 's;.*<view name="_default">.*\(<counter name="CoveringNSEC">[0-9]*</counter>\).*</view><view.*;\1;gp' $xml)
+	count=$(echo "$counter" | grep CoveringNSEC | wc -l)
+	test $count = 1 || ret=1
+	zero=$(echo "$counter" | grep ">0<" | wc -l)
+	if [ ${synth} = yes ]
+	then
+	    test $zero = 0 || ret=1
+	else
+	    test $zero = 1 || ret=1
+	fi
+	n=$((n+1))
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+
+	echo_i "check XML for 'CacheNSECNodes' with (synth-from-dnssec ${description};) ($n)"
+	ret=0
+	counter=$(sed -n 's;.*<view name="_default">.*\(<counter name="CacheNSECNodes">[0-9]*</counter>\).*</view><view.*;\1;gp' $xml)
+	count=$(echo "$counter" | grep CacheNSECNodes | wc -l)
+	test $count = 1 || ret=1
+	zero=$(echo "$counter" | grep ">0<" | wc -l)
+	if [ ${ad} = yes ]
+	then
+	    test $zero = 0 || ret=1
+	else
+	    test $zero = 1 || ret=1
+	fi
+	n=$((n+1))
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+
+	for synthesized in SynthNXDOMAIN SynthNODATA SynthWILDCARD
+	do
+	    case $synthesized in
+	    SynthNXDOMAIN) count=1;;
+	    SynthNODATA) count=4;;
+	    SynthWILDCARD) count=2;;
+	    esac
+
+	    echo_i "check XML for '$synthesized}' with (synth-from-dnssec ${description};) ($n)"
+	    ret=0
+	    if [ ${synth} = yes ]
+	    then
+		grep '<counter name="'$synthesized'">'$count'</counter>' $xml > /dev/null || ret=1
+	    else
+		grep '<counter name="'$synthesized'">'0'</counter>' $xml > /dev/null || ret=1
+	    fi
+	    n=$((n+1))
+	    if [ $ret != 0 ]; then echo_i "failed"; fi
+	    status=$((status+ret))
+	done
+   else
+	echo_i "Skipping XML statistics checks"
+   fi
+
+   if $FEATURETEST --have-json-c && [ -x "${CURL}" ] ; then
+	echo_i "getting JSON statisistcs for (synth-from-dnssec ${description};) ($n)"
+	ret=0
+	json=json.out$n
+	${CURL} http://10.53.0.${ns}:${EXTRAPORT1}/json/v1/server > $json 2>/dev/null || ret=1
+	n=$((n+1))
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+
+	echo_i "check JSON for 'CoveringNSEC' with (synth-from-dnssec ${description};) ($n)"
+	ret=0
+	count=$(grep '"CoveringNSEC":' $json | wc -l)
+	test $count = 2 || ret=1
+	zero=$(grep '"CoveringNSEC":0' $json | wc -l)
+	if [ ${synth} = yes ]
+	then
+	    test $zero = 1 || ret=1
+	else
+	    test $zero = 2 || ret=1
+	fi
+	n=$((n+1))
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+
+	echo_i "check JSON for 'CacheNSECNodes' with (synth-from-dnssec ${description};) ($n)"
+	ret=0
+	count=$(grep '"CacheNSECNodes":' $json | wc -l)
+	test $count = 2 || ret=1
+	zero=$(grep '"CacheNSECNodes":0' $json | wc -l)
+	if [ ${ad} = yes ]
+	then
+	    test $zero = 1 || ret=1
+	else
+	    test $zero = 2 || ret=1
+	fi
+	n=$((n+1))
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+
+	for synthesized in SynthNXDOMAIN SynthNODATA SynthWILDCARD
+	do
+	    case $synthesized in
+	    SynthNXDOMAIN) count=1;;
+	    SynthNODATA) count=4;;
+	    SynthWILDCARD) count=2;;
+	    esac
+
+	    echo_i "check JSON for '$synthesized}' with (synth-from-dnssec ${description};) ($n)"
+	    ret=0
+	    if [ ${synth} = yes ]
+	    then
+		grep '"'$synthesized'":'$count'' $json > /dev/null || ret=1
+	    else
+		grep '"'$synthesized'":' $json > /dev/null && ret=1
+	    fi
+	    n=$((n+1))
+	    if [ $ret != 0 ]; then echo_i "failed"; fi
+	    status=$((status+ret))
+	done
+   else
+	echo_i "Skipping JSON statistics checks"
+   fi
+done
+
+echo_i "check redirect response (+dnssec) (synth-from-dnssec <default>;) ($n)"
+ret=0
+synth=${synth_default}
+dig_with_opts b.redirect. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+check_ad_flag yes dig.out.ns3.test$n || ret=1
+check_status NXDOMAIN dig.out.ns3.test$n || ret=1
+if [ ${synth} = yes ]
+then
+    check_synth_soa . dig.out.ns3.test$n || ret=1
+else
+    check_nosynth_soa . dig.out.ns3.test$n || ret=1
+fi
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "check redirect response (+nodnssec) (synth-from-dnssec <default>;) ($n)"
+ret=0
+dig_with_opts +nodnssec b.redirect. @10.53.0.3 a > dig.out.ns3.test$n || ret=1
+check_ad_flag no dig.out.ns3.test$n || ret=1
+check_status NOERROR dig.out.ns3.test$n || ret=1
+grep 'b\.redirect\..*300.IN.A.100\.100\.100\.2' dig.out.ns3.test$n > /dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "check DNAME handling (synth-from-dnssec yes;) ($n)"
+ret=0
+dig_with_opts dnamed.example. ns @10.53.0.5 > dig.out.ns5.test$n || ret=1
+dig_with_opts a.dnamed.example. a @10.53.0.5 > dig.out.ns5-1.test$n || ret=1
+check_status NOERROR dig.out.ns5-1.test$n || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "regression test for CVE-2022-0635 ($n)"
+ret=0
+# add DNAME to cache
+dig_with_opts dname.dnamed. dname @10.53.0.5 > dig.out.ns5-1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns5-1.test$n >/dev/null || ret=1
+# add A record to cache at name before DNAME owner
+dig_with_opts a.dnamed. a @10.53.0.5 > dig.out.ns5-2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns5-2.test$n >/dev/null || ret=1
+# add NSEC record to cache at name before DNAME owner
+dig_with_opts a.dnamed. aaaa @10.53.0.5 > dig.out.ns5-3.test$n || ret=1
+grep "status: NOERROR" dig.out.ns5-3.test$n >/dev/null || ret=1
+# wait for NSEC to timeout
+sleep 6
+# use DNAME for lookup
+dig_with_opts b.dname.dnamed a @10.53.0.5 > dig.out.ns5-4.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns5-4.test$n >/dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "check synth-from-dnssec with grafted zone (forward only) ($n)"
+ret=0
+#prime cache with NXDOMAIN NSEC covering 'fun' to 'minimal'
+dig_with_opts internal @10.53.0.5 > dig.out.ns5-1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns5-1.test$n >/dev/null || ret=1
+grep '^fun\..*NSEC.minimal\. ' dig.out.ns5-1.test$n >/dev/null || ret=1
+#perform lookup in grafted zone
+dig_with_opts example.internal @10.53.0.5 > dig.out.ns5-2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns5-2.test$n >/dev/null || ret=1
+grep '^example\.internal\..*A.1.2.3.4$' dig.out.ns5-2.test$n >/dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "check synth-from-dnssec with grafted zone (primary zone) ($n)"
+ret=0
+#prime cache with NXDOMAIN NSEC covering 'fun' to 'minimal'
+dig_with_opts internal @10.53.0.5 > dig.out.ns5-1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns5-1.test$n >/dev/null || ret=1
+grep '^fun\..*NSEC.minimal\. ' dig.out.ns5-1.test$n >/dev/null || ret=1
+#perform lookup in grafted zone
+dig_with_opts example.internal2 @10.53.0.5 > dig.out.ns5-2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns5-2.test$n >/dev/null || ret=1
+grep '^example\.internal2\..*A.1.2.3.4$' dig.out.ns5-2.test$n >/dev/null || ret=1
+n=$((n+1))
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/synthfromdnssec/tests_sh_synthfromdnssec.py b/bin/tests/system/synthfromdnssec/tests_sh_synthfromdnssec.py
new file mode 100644
index 0000000..5cbf848
--- /dev/null
+++ b/bin/tests/system/synthfromdnssec/tests_sh_synthfromdnssec.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_synthfromdnssec(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/tcp/1996-alloc_dnsbuf-crash-test.pkt b/bin/tests/system/tcp/1996-alloc_dnsbuf-crash-test.pkt
new file mode 100644
index 0000000..7520c3a
--- /dev/null
+++ b/bin/tests/system/tcp/1996-alloc_dnsbuf-crash-test.pkt
@@ -0,0 +1,12 @@
+# Transaction ID
+0001
+# Standard query
+0000
+# Questions: 1, Additional: 1
+0001 0000 0000 0000
+# QNAME: www.isc.org
+03 697363 03 6F7267 00
+# Type: AXFR
+00fc
+# Class: IN
+0001
diff --git a/bin/tests/system/tcp/ans6/ans.py b/bin/tests/system/tcp/ans6/ans.py
new file mode 100644
index 0000000..4595ddc
--- /dev/null
+++ b/bin/tests/system/tcp/ans6/ans.py
@@ -0,0 +1,157 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+############################################################################
+#
+# This tool allows an arbitrary number of TCP connections to be made to the
+# specified service and to keep them open until told otherwise.  It is
+# controlled by writing text commands to a TCP socket (default port: 5309).
+#
+# Currently supported commands:
+#
+#   - open <COUNT> <HOST> <PORT>
+#
+#     Opens <COUNT> TCP connections to <HOST>:<PORT> and keeps them open.
+#     <HOST> must be an IP address (IPv4 or IPv6).
+#
+#   - close <COUNT>
+#
+#     Close the oldest <COUNT> previously established connections.
+#
+############################################################################
+
+from __future__ import print_function
+
+import datetime
+import errno
+import os
+import select
+import signal
+import socket
+import sys
+import time
+
+
+# Timeout for establishing all connections requested by a single 'open' command.
+OPEN_TIMEOUT = 2
+VERSION_QUERY = b"\x00\x1e\xaf\xb8\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x07version\x04bind\x00\x00\x10\x00\x03"
+
+
+def log(msg):
+    print(datetime.datetime.now().strftime("%d-%b-%Y %H:%M:%S.%f ") + msg)
+
+
+def open_connections(active_conns, count, host, port):
+    queued = []
+    errors = []
+
+    try:
+        socket.inet_aton(host)
+        family = socket.AF_INET
+    except socket.error:
+        family = socket.AF_INET6
+
+    log("Opening %d connections..." % count)
+
+    for _ in range(count):
+        sock = socket.socket(family, socket.SOCK_STREAM)
+        sock.setblocking(0)
+        err = sock.connect_ex((host, port))
+        if err not in (0, errno.EINPROGRESS):
+            log("%s on connect for socket %s" % (errno.errorcode[err], sock))
+            errors.append(sock)
+        else:
+            queued.append(sock)
+
+    start = time.time()
+    while queued:
+        now = time.time()
+        time_left = OPEN_TIMEOUT - (now - start)
+        if time_left <= 0:
+            break
+        _, wsocks, _ = select.select([], queued, [], time_left)
+        for sock in wsocks:
+            queued.remove(sock)
+            err = sock.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
+            if err:
+                log("%s for socket %s" % (errno.errorcode[err], sock))
+                errors.append(sock)
+            else:
+                sock.send(VERSION_QUERY)
+                active_conns.append(sock)
+
+    if errors:
+        log("result=FAIL: %d connection(s) failed" % len(errors))
+    elif queued:
+        log("result=FAIL: Timed out, aborting %d pending connections" % len(queued))
+        for sock in queued:
+            sock.close()
+    else:
+        log("result=OK: Successfully opened %d connections" % count)
+
+
+def close_connections(active_conns, count):
+    log("Closing %s connections..." % "all" if count == 0 else str(count))
+    if count == 0:
+        count = len(active_conns)
+    for _ in range(count):
+        sock = active_conns.pop(0)
+        sock.close()
+    log("result=OK: Successfully closed %d connections" % count)
+
+
+def sigterm(*_):
+    log("SIGTERM received, shutting down")
+    os.remove("ans.pid")
+    sys.exit(0)
+
+
+def main():
+    active_conns = []
+
+    signal.signal(signal.SIGTERM, sigterm)
+
+    with open("ans.pid", "w") as pidfile:
+        print(os.getpid(), file=pidfile)
+
+    listenip = "10.53.0.6"
+    try:
+        port = int(os.environ["CONTROLPORT"])
+    except KeyError:
+        port = 5309
+
+    log("Listening on %s:%d" % (listenip, port))
+
+    ctlsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    ctlsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    ctlsock.bind((listenip, port))
+    ctlsock.listen(1)
+
+    while True:
+        (clientsock, _) = ctlsock.accept()
+        log("Accepted control connection from %s" % clientsock)
+        cmdline = clientsock.recv(512).decode("ascii").strip()
+        if cmdline:
+            log("Received command: %s" % cmdline)
+            cmd = cmdline.split()
+            if cmd[0] == "open":
+                count, host, port = cmd[1:]
+                open_connections(active_conns, int(count), host, int(port))
+            elif cmd[0] == "close":
+                (count,) = cmd[1:]
+                close_connections(active_conns, int(count))
+            else:
+                log("result=FAIL: Unknown command")
+        clientsock.close()
+
+
+if __name__ == "__main__":
+    main()
diff --git a/bin/tests/system/tcp/clean.sh b/bin/tests/system/tcp/clean.sh
new file mode 100644
index 0000000..1ea5b60
--- /dev/null
+++ b/bin/tests/system/tcp/clean.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ./*/named.memstats
+rm -f ./*/named.run
+rm -f ./*/named.conf
+rm -f ./*/named.stats*
+rm -f ans6/ans.run*
+rm -f dig.out*
+rm -f rndc.out*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/tcp/ns1/named.conf.in b/bin/tests/system/tcp/ns1/named.conf.in
new file mode 100644
index 0000000..010e754
--- /dev/null
+++ b/bin/tests/system/tcp/ns1/named.conf.in
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	statistics-file "named.stats";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/tcp/ns1/root.db b/bin/tests/system/tcp/ns1/root.db
new file mode 100644
index 0000000..17780d1
--- /dev/null
+++ b/bin/tests/system/tcp/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/tcp/ns2/example.db b/bin/tests/system/tcp/ns2/example.db
new file mode 100644
index 0000000..4d60ce3
--- /dev/null
+++ b/bin/tests/system/tcp/ns2/example.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+
+$ORIGIN example.
+a			A	10.0.0.1
+			MX	10 mail.example.
+
+mail			A	10.0.0.2
diff --git a/bin/tests/system/tcp/ns2/named.conf.in b/bin/tests/system/tcp/ns2/named.conf.in
new file mode 100644
index 0000000..0a97093
--- /dev/null
+++ b/bin/tests/system/tcp/ns2/named.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+	statistics-file "named.stats";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-update { any; };
+};
diff --git a/bin/tests/system/tcp/ns3/named.conf.in b/bin/tests/system/tcp/ns3/named.conf.in
new file mode 100644
index 0000000..8516d72
--- /dev/null
+++ b/bin/tests/system/tcp/ns3/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+};
+
+server 10.53.0.1 { tcp-only yes; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/tcp/ns4/named.conf.in b/bin/tests/system/tcp/ns4/named.conf.in
new file mode 100644
index 0000000..a7758cc
--- /dev/null
+++ b/bin/tests/system/tcp/ns4/named.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+	forwarders { 10.53.0.2; };
+	forward only;
+};
+
+server 10.53.0.2 { tcp-only yes; };
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/tcp/ns5/named.conf.in b/bin/tests/system/tcp/ns5/named.conf.in
new file mode 100644
index 0000000..bd754f7
--- /dev/null
+++ b/bin/tests/system/tcp/ns5/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS5
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+        tcp-listen-queue 32;
+	recursion yes;
+	notify yes;
+        tcp-clients 17;
+	dnssec-validation no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/tcp/ns7/named.conf.in b/bin/tests/system/tcp/ns7/named.conf.in
new file mode 100644
index 0000000..5441519
--- /dev/null
+++ b/bin/tests/system/tcp/ns7/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	statistics-file "named.stats";
+	tcp-clients 1;
+	keep-response-order { any; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/tcp/ns7/named.dropedns b/bin/tests/system/tcp/ns7/named.dropedns
new file mode 100644
index 0000000..37dd9cf
--- /dev/null
+++ b/bin/tests/system/tcp/ns7/named.dropedns
@@ -0,0 +1 @@
+dropedns
diff --git a/bin/tests/system/tcp/ns7/root.db b/bin/tests/system/tcp/ns7/root.db
new file mode 100644
index 0000000..bb31741
--- /dev/null
+++ b/bin/tests/system/tcp/ns7/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.7
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/tcp/setup.sh b/bin/tests/system/tcp/setup.sh
new file mode 100644
index 0000000..475f399
--- /dev/null
+++ b/bin/tests/system/tcp/setup.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
diff --git a/bin/tests/system/tcp/tests.sh b/bin/tests/system/tcp/tests.sh
new file mode 100644
index 0000000..12ca679
--- /dev/null
+++ b/bin/tests/system/tcp/tests.sh
@@ -0,0 +1,203 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=../conf.sh
+. ../conf.sh
+
+dig_with_opts() {
+	"${DIG}" -p "${PORT}" "$@"
+}
+
+rndccmd() {
+	"${RNDC}" -p "${CONTROLPORT}" -c ../common/rndc.conf -s "$@"
+}
+
+status=0
+n=0
+
+n=$((n + 1))
+echo_i "initializing TCP statistics ($n)"
+ret=0
+rndccmd 10.53.0.1 stats || ret=1
+rndccmd 10.53.0.2 stats || ret=1
+mv ns1/named.stats ns1/named.stats.test$n
+mv ns2/named.stats ns2/named.stats.test$n
+ntcp10="$(grep "TCP requests received" ns1/named.stats.test$n | tail -1 | awk '{print $1}')"
+ntcp20="$(grep "TCP requests received" ns2/named.stats.test$n | tail -1 | awk '{print $1}')"
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking TCP request statistics (resolver) ($n)"
+ret=0
+dig_with_opts @10.53.0.3 txt.example. > dig.out.test$n
+sleep 1
+rndccmd 10.53.0.1 stats || ret=1
+rndccmd 10.53.0.2 stats || ret=1
+mv ns1/named.stats ns1/named.stats.test$n
+mv ns2/named.stats ns2/named.stats.test$n
+ntcp11="$(grep "TCP requests received" ns1/named.stats.test$n | tail -1 | awk '{print $1}')"
+ntcp21="$(grep "TCP requests received" ns2/named.stats.test$n | tail -1 | awk '{print $1}')"
+if [ "$ntcp10" -ge "$ntcp11" ]; then ret=1; fi
+if [ "$ntcp20" -ne "$ntcp21" ]; then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking TCP request statistics (forwarder) ($n)"
+ret=0
+dig_with_opts @10.53.0.4 txt.example. > dig.out.test$n
+sleep 1
+rndccmd 10.53.0.1 stats || ret=1
+rndccmd 10.53.0.2 stats || ret=1
+mv ns1/named.stats ns1/named.stats.test$n
+mv ns2/named.stats ns2/named.stats.test$n
+ntcp12="$(grep "TCP requests received" ns1/named.stats.test$n | tail -1 | awk '{print $1}')"
+ntcp22="$(grep "TCP requests received" ns2/named.stats.test$n | tail -1 | awk '{print $1}')"
+if [ "$ntcp11" -ne "$ntcp12" ]; then ret=1; fi
+if [ "$ntcp21" -ge "$ntcp22" ];then ret=1; fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# -------- TCP high-water tests ----------
+refresh_tcp_stats() {
+	rndccmd 10.53.0.5 status > rndc.out.$n || ret=1
+	TCP_CUR="$(sed -n "s/^tcp clients: \([0-9][0-9]*\).*/\1/p" rndc.out.$n)"
+	TCP_LIMIT="$(sed -n "s/^tcp clients: .*\/\([0-9][0-9]*\)/\1/p" rndc.out.$n)"
+	TCP_HIGH="$(sed -n "s/^TCP high-water: \([0-9][0-9]*\)/\1/p" rndc.out.$n)"
+}
+
+# Send a command to the tool script listening on 10.53.0.6.
+send_command() {
+	nextpart ans6/ans.run > /dev/null
+	echo "$*" | send 10.53.0.6 "${CONTROLPORT}"
+	wait_for_log_peek 10 "result=" ans6/ans.run || ret=1
+	if ! nextpartpeek ans6/ans.run | grep -qF "result=OK"; then
+		return 1
+	fi
+}
+
+# Instructs ans6 to open $1 TCP connections to 10.53.0.5.
+open_connections() {
+	send_command "open" "${1}" 10.53.0.5 "${PORT}" || return 1
+}
+
+# Instructs ans6 to close $1 TCP connections to 10.53.0.5.
+close_connections() {
+	send_command "close" "${1}" || return 1
+}
+
+# Check TCP connections are working normally before opening
+# multiple connections
+n=$((n + 1))
+echo_i "checking TCP query repsonse ($n)"
+ret=0
+dig_with_opts +tcp @10.53.0.5 txt.example > dig.out.test$n
+grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check TCP statistics after server startup before using them as a baseline for
+# subsequent checks.
+n=$((n + 1))
+echo_i "TCP high-water: check initial statistics ($n)"
+ret=0
+refresh_tcp_stats
+assert_int_equal "${TCP_CUR}" 0 "current TCP clients count" || ret=1
+# We compare initial tcp-highwater value with 1 because as part of the
+# system test startup, the script start.pl executes dig to check if target
+# named is running, and that increments tcp-quota by one.
+assert_int_equal "${TCP_HIGH}" 1 "tcp-highwater count" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Ensure the TCP high-water statistic gets updated after some TCP connections
+# are established.
+n=$((n + 1))
+echo_i "TCP high-water: check value after some TCP connections are established ($n)"
+ret=0
+OLD_TCP_CUR="${TCP_CUR}"
+TCP_ADDED=9
+open_connections "${TCP_ADDED}" || ret=1
+check_stats_added() {
+	refresh_tcp_stats
+	assert_int_equal "${TCP_CUR}" $((OLD_TCP_CUR + TCP_ADDED)) "current TCP clients count" || return 1
+	assert_int_equal "${TCP_HIGH}" $((OLD_TCP_CUR + TCP_ADDED)) "TCP high-water value" || return 1
+}
+retry 2 check_stats_added || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Ensure the TCP high-water statistic remains unchanged after some TCP
+# connections are closed.
+n=$((n + 1))
+echo_i "TCP high-water: check value after some TCP connections are closed ($n)"
+ret=0
+OLD_TCP_CUR="${TCP_CUR}"
+OLD_TCP_HIGH="${TCP_HIGH}"
+TCP_REMOVED=5
+close_connections "${TCP_REMOVED}" || ret=1
+check_stats_removed() {
+	refresh_tcp_stats
+	assert_int_equal "${TCP_CUR}" $((OLD_TCP_CUR - TCP_REMOVED)) "current TCP clients count" || return 1
+	assert_int_equal "${TCP_HIGH}" "${OLD_TCP_HIGH}" "TCP high-water value" || return 1
+}
+retry 2 check_stats_removed || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Ensure the TCP high-water statistic never exceeds the configured TCP clients
+# limit.
+n=$((n + 1))
+echo_i "TCP high-water: ensure tcp-clients is an upper bound ($n)"
+ret=0
+open_connections $((TCP_LIMIT + 1)) || ret=1
+check_stats_limit() {
+	refresh_tcp_stats
+	assert_int_equal "${TCP_CUR}" "${TCP_LIMIT}" "current TCP clients count" || return 1
+	assert_int_equal "${TCP_HIGH}" "${TCP_LIMIT}" "TCP high-water value" || return 1
+}
+retry 2 check_stats_limit || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+# Check TCP connections are working normally before opening
+# multiple connections
+n=$((n + 1))
+echo_i "checking TCP response recovery ($n)"
+ret=0
+# "0" closes all connections
+close_connections 0 || ret=1
+dig_with_opts +tcp @10.53.0.5 txt.example > dig.out.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+####################################################
+# NOTE: The next test resets the debug level to 1. #
+####################################################
+
+n=$((n + 1))
+echo_i "checking that BIND 9 doesn't crash on long TCP messages ($n)"
+ret=0
+# Avoid logging useless information.
+rndccmd 10.53.0.1 trace 1 || ret=1
+{ $PERL ../packet.pl -a "10.53.0.1" -p "${PORT}" -t tcp -r 300000 1996-alloc_dnsbuf-crash-test.pkt || ret=1 ; } | cat_i
+dig_with_opts +tcp @10.53.0.1 txt.example > dig.out.test$n || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/tcp/tests_sh_tcp.py b/bin/tests/system/tcp/tests_sh_tcp.py
new file mode 100644
index 0000000..b1d797c
--- /dev/null
+++ b/bin/tests/system/tcp/tests_sh_tcp.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_tcp(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/tcp/tests_tcp.py b/bin/tests/system/tcp/tests_tcp.py
new file mode 100644
index 0000000..532b47b
--- /dev/null
+++ b/bin/tests/system/tcp/tests_tcp.py
@@ -0,0 +1,116 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# pylint: disable=unused-variable
+
+import socket
+import struct
+import time
+
+import pytest
+
+pytest.importorskip("dns", minversion="2.0.0")
+import dns.message
+import dns.query
+
+
+TIMEOUT = 10
+
+
+def create_msg(qname, qtype, edns=-1):
+    msg = dns.message.make_query(qname, qtype, use_edns=edns)
+    return msg
+
+
+def timeout():
+    return time.time() + TIMEOUT
+
+
+def create_socket(host, port):
+    sock = socket.create_connection((host, port), timeout=10)
+    sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, True)
+    return sock
+
+
+def test_tcp_garbage(named_port):
+    with create_socket("10.53.0.7", named_port) as sock:
+        msg = create_msg("a.example.", "A")
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        (response, rtime) = dns.query.receive_tcp(sock, timeout())
+
+        wire = msg.to_wire()
+        assert len(wire) > 0
+
+        # Send DNS message shorter than DNS message header (12),
+        # this should cause the connection to be terminated
+        sock.send(struct.pack("!H", 11))
+        sock.send(struct.pack("!s", b"0123456789a"))
+
+        with pytest.raises(EOFError):
+            try:
+                (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+                (response, rtime) = dns.query.receive_tcp(sock, timeout())
+            except ConnectionError as e:
+                raise EOFError from e
+
+
+def test_tcp_garbage_response(named_port):
+    with create_socket("10.53.0.7", named_port) as sock:
+        msg = create_msg("a.example.", "A")
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        (response, rtime) = dns.query.receive_tcp(sock, timeout())
+
+        wire = msg.to_wire()
+        assert len(wire) > 0
+
+        # Send DNS response instead of DNS query, this should cause
+        # the connection to be terminated
+
+        rmsg = dns.message.make_response(msg)
+        (sbytes, stime) = dns.query.send_tcp(sock, rmsg, timeout())
+
+        with pytest.raises(EOFError):
+            try:
+                (response, rtime) = dns.query.receive_tcp(sock, timeout())
+            except ConnectionError as e:
+                raise EOFError from e
+
+
+# Regression test for CVE-2022-0396
+def test_close_wait(named_port):
+    with create_socket("10.53.0.7", named_port) as sock:
+        msg = create_msg("a.example.", "A")
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        (response, rtime) = dns.query.receive_tcp(sock, timeout())
+
+        msg = dns.message.make_query("a.example.", "A", use_edns=0, payload=1232)
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+
+        # Shutdown the socket, but ignore the other side closing the socket
+        # first because we sent DNS message with EDNS0
+        try:
+            sock.shutdown(socket.SHUT_RDWR)
+        except ConnectionError:
+            pass
+        except OSError:
+            pass
+
+    # BIND allows one TCP client, the part above sends DNS messaage with EDNS0
+    # after the first query. BIND should react adequately because of
+    # ns7/named.dropedns and close the socket, making room for the next
+    # request. If it gets stuck in CLOSE_WAIT state, there is no connection
+    # available for the query below and it will time out.
+    with create_socket("10.53.0.7", named_port) as sock:
+        msg = create_msg("a.example.", "A")
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        (response, rtime) = dns.query.receive_tcp(sock, timeout())
diff --git a/bin/tests/system/testcrypto.sh b/bin/tests/system/testcrypto.sh
new file mode 100755
index 0000000..ceaaf37
--- /dev/null
+++ b/bin/tests/system/testcrypto.sh
@@ -0,0 +1,95 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+prog=$0
+args=""
+quiet=0
+dir=""
+msg="cryptography"
+
+if test -z "$KEYGEN"; then
+    . ../conf.sh
+    alg="-a $DEFAULT_ALGORITHM -b $DEFAULT_BITS"
+else
+    alg=""
+    quiet=1
+    args="-q"
+fi
+
+while test "$#" -gt 0; do
+    case $1 in
+    -q)
+        if test $quiet -eq 0; then
+            args="$args -q"
+            quiet=1
+        fi
+        ;;
+    rsa|RSA|rsasha1|RSASHA1)
+        alg="-a RSASHA1"
+        msg="RSA cryptography"
+        ;;
+    rsasha256|RSASHA256)
+        alg="-a RSASHA256"
+        msg="RSA cryptography"
+        ;;
+    rsasha512|RSASHA512)
+        alg="-a RSASHA512"
+        msg="RSA cryptography"
+        ;;
+    ecdsa|ECDSA|ecdsap256sha256|ECDSAP256SHA256)
+        alg="-a ECDSAP256SHA256"
+        msg="ECDSA cryptography"
+        ;;
+    ecdsap384sha384|ECDSAP384SHA384)
+        alg="-a ECDSAP384SHA384"
+        msg="ECDSA cryptography"
+        ;;
+    eddsa|EDDSA|ed25519|ED25519)
+        alg="-a ED25519"
+        msg="EDDSA cryptography"
+        ;;
+    ed448|ED448)
+        alg="-a ED448"
+        msg="EDDSA cryptography"
+        ;;
+    *)
+        echo "${prog}: unknown argument"
+        exit 1
+        ;;
+    esac
+    shift
+done
+
+if test -z "$alg"; then
+    echo "${prog}: no algorithm selected"
+    exit 1
+fi
+
+if test -n "$TMPDIR"; then
+    dir=$(mktemp -d "$TMPDIR/XXXXXX")
+    args="$args -K $dir"
+fi
+
+if $KEYGEN $args $alg foo > /dev/null 2>&1
+then
+    if test -z "$dir"; then
+        rm -f Kfoo*
+    else
+        rm -rf "$dir"
+    fi
+else
+    if test $quiet -eq 0; then
+        echo_i "This test requires support for $msg" >&2
+    fi
+    exit 255
+fi
diff --git a/bin/tests/system/testsock.pl b/bin/tests/system/testsock.pl
new file mode 100755
index 0000000..e793874
--- /dev/null
+++ b/bin/tests/system/testsock.pl
@@ -0,0 +1,55 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Test whether the interfaces on 10.53.0.* are up.
+
+require 5.001;
+
+use Cwd 'abs_path';
+use File::Basename;
+use Socket;
+use Getopt::Long;
+
+my $port = 0;
+my $id = 0;
+GetOptions("p=i" => \$port,
+           "i=i" => \$id);
+
+my @ids;
+if ($id != 0) {
+	@ids = ($id);
+} else {
+	my $dir = dirname(abs_path($0));
+	my $fn = "$dir/ifconfig.sh.in";
+	open FH, "< $fn" or die "open < $fn: $!\n";
+	while (<FH>) {
+		@ids = (1..$1)
+		    if /^max=(\d+)\s*$/;
+	}
+	close FH;
+	die "could not find max IP address in $fn\n"
+	    unless @ids > 1;
+}
+
+foreach $id (@ids) {
+        my $addr = pack("C4", 10, 53, 0, $id);
+	my $sa = pack_sockaddr_in($port, $addr);
+	socket(SOCK, PF_INET, SOCK_STREAM, getprotobyname("tcp"))
+      		or die "$0: socket: $!\n";
+	setsockopt(SOCK, SOL_SOCKET, SO_REUSEADDR, pack("l", 1));
+
+	bind(SOCK, $sa)
+	    	or die sprintf("$0: bind(%s, %d): $!\n",
+			       inet_ntoa($addr), $port);
+	close(SOCK);
+}
diff --git a/bin/tests/system/testsock6.pl b/bin/tests/system/testsock6.pl
new file mode 100644
index 0000000..5903684
--- /dev/null
+++ b/bin/tests/system/testsock6.pl
@@ -0,0 +1,25 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+require 5.001;
+
+use IO::Socket::INET6;
+
+foreach $addr (@ARGV) {
+	my $sock;
+	$sock = IO::Socket::INET6->new(LocalAddr => $addr,
+                                       LocalPort => 0,
+                                       Proto     => tcp)
+                             or die "Can't bind : $@\n";
+	close($sock);
+}
diff --git a/bin/tests/system/testsummary.sh b/bin/tests/system/testsummary.sh
new file mode 100644
index 0000000..52c79b9
--- /dev/null
+++ b/bin/tests/system/testsummary.sh
@@ -0,0 +1,91 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# Creates the system tests output file from the various test.output.* files.  It
+# then searches that file and prints the number of tests passed, failed, not
+# run.  It also checks whether the IP addresses 10.53.0.[1-8] were set up and,
+# if not, prints a warning.
+#
+# Usage:
+#    testsummary.sh [-n]
+#
+# -n	Do NOT delete the individual test.output.* files after concatenating
+#	them into systests.output.
+#
+# Status return:
+# 0 - no tests failed
+# 1 - one or more tests failed
+
+. ./conf.sh
+
+keepfile=0
+
+while getopts "n" flag; do
+    case $flag in
+	n) keepfile=1 ;;
+	*) exit 1 ;;
+    esac
+done
+
+if [ "$(find . -name 'test.output.*' 2>/dev/null | wc -l)" -eq 0 ]; then
+    echowarn "I:No 'test.output.*' files were found."
+    echowarn "I:Printing summary from pre-existing 'systests.output'."
+else
+    cat test.output.* > systests.output
+    if [ $keepfile -eq 0 ]; then
+        rm -f test.output.*
+    fi
+fi
+
+if [ ! -f systests.output ]; then
+    echowarn "I:No 'systests.output' file found."
+    exit 1
+fi
+
+status=0
+echoinfo "I:System test result summary:"
+echoinfo "$(grep 'R:[a-z0-9_-][a-z0-9_-]*:[A-Z][A-Z]*' systests.output | cut -d':' -f3 | sort | uniq -c | sed -e 's/^/I:/')"
+
+FAILED_TESTS=$(grep 'R:[a-z0-9_-][a-z0-9_-]*:FAIL' systests.output | cut -d':' -f2 | sort | sed -e 's/^/I:      /')
+if [ -n "${FAILED_TESTS}" ]; then
+	echoinfo "I:The following system tests failed:"
+	echoinfo "${FAILED_TESTS}"
+	status=1
+fi
+
+CRASHED_TESTS=$(find . \( -name 'core' -or -name 'core.*' -or -name '*.core' \) ! -name '*.txt' | cut -d'/' -f2 | sort -u | sed -e 's/^/I:      /')
+if [ -n "${CRASHED_TESTS}" ]; then
+	echoinfo "I:Core dumps were found for the following system tests:"
+	echoinfo "${CRASHED_TESTS}"
+fi
+
+ASSERTION_FAILED_TESTS=$(find . -name named.run -print0 | xargs -0 grep "assertion failure" | cut -d'/' -f2 | sort -u | sed -e 's/^/I:      /')
+if [ -n "${ASSERTION_FAILED_TESTS}" ]; then
+	echoinfo "I:Assertion failures were detected for the following system tests:"
+	echoinfo "${ASSERTION_FAILED_TESTS}"
+fi
+
+TSAN_REPORT_TESTS=$(find . -name 'tsan.*' | cut -d'/' -f2 | sort -u | sed -e 's/^/I:      /')
+if [ -n "${TSAN_REPORT_TESTS}" ]; then
+	echoinfo "I:ThreadSanitizer reported issues for the following system tests:"
+	echoinfo "${TSAN_REPORT_TESTS}"
+fi
+
+RESULTS_FOUND=$(grep -c 'R:[a-z0-9_-][a-z0-9_-]*:[A-Z][A-Z]*' systests.output)
+TESTS_RUN=$(echo "${SUBDIRS}" | wc -w)
+if [ "${RESULTS_FOUND}" -ne "${TESTS_RUN}" ]; then
+	echofail "I:Found ${RESULTS_FOUND} test results, but ${TESTS_RUN} tests were run"
+	status=1
+fi
+
+exit $status
diff --git a/bin/tests/system/timeouts/clean.sh b/bin/tests/system/timeouts/clean.sh
new file mode 100644
index 0000000..0da8a9c
--- /dev/null
+++ b/bin/tests/system/timeouts/clean.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ./ns*/managed-keys.bind*
+rm -f ./ns*/named.conf
+rm -f ./ns*/named.lock
+rm -f ./ns*/named.memstats
+rm -f ./ns*/named.run*
+rm -f ./ns*/named.stats
+rm -rf ./__pycache__
+rm -f ./ns*/large.db
diff --git a/bin/tests/system/timeouts/ns1/example.db b/bin/tests/system/timeouts/ns1/example.db
new file mode 100644
index 0000000..cb321ff
--- /dev/null
+++ b/bin/tests/system/timeouts/ns1/example.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			SOA	mname1. . (
+				2000062101 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns1
+ns1			A	10.53.0.1
+@			A	10.53.0.1
+a			A	10.53.0.1
+b			A	10.53.0.1
+$INCLUDE large.db
diff --git a/bin/tests/system/timeouts/ns1/named.args b/bin/tests/system/timeouts/ns1/named.args
new file mode 100644
index 0000000..437a77f
--- /dev/null
+++ b/bin/tests/system/timeouts/ns1/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 1 -D timeouts-ns1 -X named.lock -g -T maxcachesize=2097152
diff --git a/bin/tests/system/timeouts/ns1/named.conf.in b/bin/tests/system/timeouts/ns1/named.conf.in
new file mode 100644
index 0000000..1c46549
--- /dev/null
+++ b/bin/tests/system/timeouts/ns1/named.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	dnssec-validation no;
+	recursion no;
+	notify no;
+	tcp-initial-timeout 20;
+	tcp-idle-timeout 50;
+	tcp-keepalive-timeout 70;
+	max-transfer-time-out 5; /* minutes */
+	max-transfer-idle-out 1; /* minutes */
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "example." {
+	type primary;
+	file "example.db";
+	check-integrity no;
+};
diff --git a/bin/tests/system/timeouts/ns1/root.db b/bin/tests/system/timeouts/ns1/root.db
new file mode 100644
index 0000000..cb48acd
--- /dev/null
+++ b/bin/tests/system/timeouts/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+.			IN SOA	gson.isc.org. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns1.example.
+ns1.example.		A	10.53.0.1
diff --git a/bin/tests/system/timeouts/prereq.sh b/bin/tests/system/timeouts/prereq.sh
new file mode 100644
index 0000000..0fac912
--- /dev/null
+++ b/bin/tests/system/timeouts/prereq.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+if test -n "$PYTHON"
+then
+    if $PYTHON -c "from dns.query import send_tcp" 2> /dev/null
+    then
+        :
+    else
+        echo_i "This test requires the dnspython >= 2.0.0 module." >&2
+        exit 1
+    fi
+else
+    echo_i "This test requires Python and the dnspython module." >&2
+    exit 1
+fi
+
+exit 0
diff --git a/bin/tests/system/timeouts/setup.sh b/bin/tests/system/timeouts/setup.sh
new file mode 100644
index 0000000..c4019d2
--- /dev/null
+++ b/bin/tests/system/timeouts/setup.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+
+#
+# Generate a large enough zone, so the transfer takes longer than
+# tcp-initial-timeout interval
+#
+$PYTHON -c "
+print('large IN TXT', end=' ')
+for a in range(128):
+    print('\"%s\"' % ('A' * 240), end=' ')
+print('')
+
+for a in range(150000):
+    print('%s IN NS a' % (a))
+    print('%s IN NS b' % (a))" > ns1/large.db
diff --git a/bin/tests/system/timeouts/tests_tcp_timeouts.py b/bin/tests/system/timeouts/tests_tcp_timeouts.py
new file mode 100644
index 0000000..2e2a4b4
--- /dev/null
+++ b/bin/tests/system/timeouts/tests_tcp_timeouts.py
@@ -0,0 +1,279 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# pylint: disable=unused-variable
+
+import socket
+import time
+
+import pytest
+
+pytest.importorskip("dns", minversion="2.0.0")
+import dns.edns
+import dns.message
+import dns.name
+import dns.query
+import dns.rdataclass
+import dns.rdatatype
+
+import pytest_custom_markers  # pylint: disable=import-error
+
+
+TIMEOUT = 10
+
+
+def create_msg(qname, qtype):
+    msg = dns.message.make_query(
+        qname, qtype, want_dnssec=True, use_edns=0, payload=4096
+    )
+    return msg
+
+
+def timeout():
+    return time.time() + TIMEOUT
+
+
+def test_initial_timeout(named_port):
+    #
+    # The initial timeout is 2.5 seconds, so this should timeout
+    #
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.connect(("10.53.0.1", named_port))
+
+        time.sleep(3)
+
+        msg = create_msg("example.", "A")
+
+        with pytest.raises(EOFError):
+            try:
+                (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+                (response, rtime) = dns.query.receive_tcp(sock, timeout())
+            except ConnectionError as e:
+                raise EOFError from e
+
+
+def test_idle_timeout(named_port):
+    #
+    # The idle timeout is 5 seconds, so the third message should fail
+    #
+    msg = create_msg("example.", "A")
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.connect(("10.53.0.1", named_port))
+
+        time.sleep(1)
+
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        (response, rtime) = dns.query.receive_tcp(sock, timeout())
+
+        time.sleep(2)
+
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        (response, rtime) = dns.query.receive_tcp(sock, timeout())
+
+        time.sleep(6)
+
+        with pytest.raises(EOFError):
+            try:
+                (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+                (response, rtime) = dns.query.receive_tcp(sock, timeout())
+            except ConnectionError as e:
+                raise EOFError from e
+
+
+def test_keepalive_timeout(named_port):
+    #
+    # Keepalive is 7 seconds, so the third message should succeed.
+    #
+    msg = create_msg("example.", "A")
+    kopt = dns.edns.GenericOption(11, b"\x00")
+    msg.use_edns(edns=True, payload=4096, options=[kopt])
+
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.connect(("10.53.0.1", named_port))
+
+        time.sleep(1)
+
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        (response, rtime) = dns.query.receive_tcp(sock, timeout())
+
+        time.sleep(2)
+
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        (response, rtime) = dns.query.receive_tcp(sock, timeout())
+
+        time.sleep(6)
+
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        (response, rtime) = dns.query.receive_tcp(sock, timeout())
+
+
+def test_pipelining_timeout(named_port):
+    #
+    # The pipelining should only timeout after the last message is received
+    #
+    msg = create_msg("example.", "A")
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.connect(("10.53.0.1", named_port))
+
+        time.sleep(1)
+
+        # Send and receive 25 DNS queries
+        for n in range(25):
+            (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        for n in range(25):
+            (response, rtime) = dns.query.receive_tcp(sock, timeout())
+
+        time.sleep(3)
+
+        # Send and receive 25 DNS queries
+        for n in range(25):
+            (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        for n in range(25):
+            (response, rtime) = dns.query.receive_tcp(sock, timeout())
+
+        time.sleep(6)
+
+        with pytest.raises(EOFError):
+            try:
+                (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+                (response, rtime) = dns.query.receive_tcp(sock, timeout())
+            except ConnectionError as e:
+                raise EOFError from e
+
+
+def test_long_axfr(named_port):
+    #
+    # The timers should not fire during AXFR, thus the connection should not
+    # close abruptly
+    #
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.connect(("10.53.0.1", named_port))
+
+        name = dns.name.from_text("example.")
+        msg = create_msg("example.", "AXFR")
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+
+        # Receive the initial DNS message with SOA
+        (response, rtime) = dns.query.receive_tcp(
+            sock, timeout(), one_rr_per_rrset=True
+        )
+        soa = response.get_rrset(
+            dns.message.ANSWER, name, dns.rdataclass.IN, dns.rdatatype.SOA
+        )
+        assert soa is not None
+
+        # Pull DNS message from wire until the second SOA is received
+        while True:
+            (response, rtime) = dns.query.receive_tcp(
+                sock, timeout(), one_rr_per_rrset=True
+            )
+            soa = response.get_rrset(
+                dns.message.ANSWER, name, dns.rdataclass.IN, dns.rdatatype.SOA
+            )
+            if soa is not None:
+                break
+        assert soa is not None
+
+
+@pytest_custom_markers.flaky(max_runs=3)
+def test_send_timeout(named_port):
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.connect(("10.53.0.1", named_port))
+
+        # Send and receive single large RDATA over TCP
+        msg = create_msg("large.example.", "TXT")
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+        (response, rtime) = dns.query.receive_tcp(sock, timeout())
+
+        # Send and receive 28 large (~32k) DNS queries that should
+        # fill the default maximum 208k TCP send buffer
+        for n in range(28):
+            (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+
+        # configure idle interval is 5 seconds, sleep 6 to make sure we are
+        # above the interval
+        time.sleep(6)
+
+        with pytest.raises(EOFError):
+            try:
+                (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+                (response, rtime) = dns.query.receive_tcp(sock, timeout())
+            except ConnectionError as e:
+                raise EOFError from e
+
+
+@pytest_custom_markers.long_test
+def test_max_transfer_idle_out(named_port):
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.connect(("10.53.0.1", named_port))
+
+        name = dns.name.from_text("example.")
+        msg = create_msg("example.", "AXFR")
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+
+        # Receive the initial DNS message with SOA
+        (response, rtime) = dns.query.receive_tcp(
+            sock, timeout(), one_rr_per_rrset=True
+        )
+        soa = response.get_rrset(
+            dns.message.ANSWER, name, dns.rdataclass.IN, dns.rdatatype.SOA
+        )
+        assert soa is not None
+
+        time.sleep(61)  # max-transfer-idle-out is 1 minute
+
+        with pytest.raises(ConnectionResetError):
+            # Process queued TCP messages
+            while True:
+                (response, rtime) = dns.query.receive_tcp(
+                    sock, timeout(), one_rr_per_rrset=True
+                )
+                soa = response.get_rrset(
+                    dns.message.ANSWER, name, dns.rdataclass.IN, dns.rdatatype.SOA
+                )
+                if soa is not None:
+                    break
+            assert soa is None
+
+
+@pytest_custom_markers.long_test
+def test_max_transfer_time_out(named_port):
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        sock.connect(("10.53.0.1", named_port))
+
+        name = dns.name.from_text("example.")
+        msg = create_msg("example.", "AXFR")
+        (sbytes, stime) = dns.query.send_tcp(sock, msg, timeout())
+
+        # Receive the initial DNS message with SOA
+        (response, rtime) = dns.query.receive_tcp(
+            sock, timeout(), one_rr_per_rrset=True
+        )
+        soa = response.get_rrset(
+            dns.message.ANSWER, name, dns.rdataclass.IN, dns.rdatatype.SOA
+        )
+        assert soa is not None
+
+        # The loop should timeout at the 5 minutes (max-transfer-time-out)
+        with pytest.raises(EOFError):
+            while True:
+                time.sleep(1)
+                (response, rtime) = dns.query.receive_tcp(
+                    sock, timeout(), one_rr_per_rrset=True
+                )
+                soa = response.get_rrset(
+                    dns.message.ANSWER, name, dns.rdataclass.IN, dns.rdatatype.SOA
+                )
+                if soa is not None:
+                    break
+        assert soa is None
diff --git a/bin/tests/system/tkey/clean.sh b/bin/tests/system/tkey/clean.sh
new file mode 100644
index 0000000..f5df065
--- /dev/null
+++ b/bin/tests/system/tkey/clean.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+rm -f ./K*
+rm -f ./dig.out.*
+rm -f ./rndc.out.*
+rm -f ns*/K*
+rm -f ns*/_default.tsigkeys
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.conf
+rm -f ns*/named.conf-e
+rm -f ns*/named.lock
+rm -f ns*/named.memstats
+rm -f ns*/named.run
diff --git a/bin/tests/system/tkey/keycreate.c b/bin/tests/system/tkey/keycreate.c
new file mode 100644
index 0000000..37f6e48
--- /dev/null
+++ b/bin/tests/system/tkey/keycreate.c
@@ -0,0 +1,278 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/app.h>
+#include <isc/base64.h>
+#include <isc/hash.h>
+#include <isc/log.h>
+#include <isc/managers.h>
+#include <isc/mem.h>
+#include <isc/netmgr.h>
+#include <isc/nonce.h>
+#include <isc/print.h>
+#include <isc/random.h>
+#include <isc/result.h>
+#include <isc/sockaddr.h>
+#include <isc/task.h>
+#include <isc/util.h>
+
+#include <dns/dispatch.h>
+#include <dns/fixedname.h>
+#include <dns/keyvalues.h>
+#include <dns/message.h>
+#include <dns/name.h>
+#include <dns/request.h>
+#include <dns/result.h>
+#include <dns/tkey.h>
+#include <dns/tsig.h>
+#include <dns/view.h>
+
+#define CHECK(str, x)                                        \
+	{                                                    \
+		if ((x) != ISC_R_SUCCESS) {                  \
+			fprintf(stderr, "I:%s: %s\n", (str), \
+				isc_result_totext(x));       \
+			exit(-1);                            \
+		}                                            \
+	}
+
+#define RUNCHECK(x) RUNTIME_CHECK((x) == ISC_R_SUCCESS)
+
+#define TIMEOUT 30
+
+static char *ip_address = NULL;
+static int port = 0;
+
+static dst_key_t *ourkey = NULL;
+static isc_mem_t *mctx = NULL;
+static dns_tsigkey_t *tsigkey = NULL, *initialkey = NULL;
+static dns_tsig_keyring_t *ring = NULL;
+static unsigned char noncedata[16];
+static isc_buffer_t nonce;
+static dns_requestmgr_t *requestmgr = NULL;
+static const char *ownername_str = ".";
+
+static void
+recvquery(isc_task_t *task, isc_event_t *event) {
+	dns_requestevent_t *reqev = (dns_requestevent_t *)event;
+	isc_result_t result;
+	dns_message_t *query = NULL, *response = NULL;
+	char keyname[256];
+	isc_buffer_t keynamebuf;
+	int type;
+
+	UNUSED(task);
+
+	REQUIRE(reqev != NULL);
+
+	if (reqev->result != ISC_R_SUCCESS) {
+		fprintf(stderr, "I:request event result: %s\n",
+			isc_result_totext(reqev->result));
+		exit(-1);
+	}
+
+	query = reqev->ev_arg;
+
+	dns_message_create(mctx, DNS_MESSAGE_INTENTPARSE, &response);
+
+	result = dns_request_getresponse(reqev->request, response,
+					 DNS_MESSAGEPARSE_PRESERVEORDER);
+	CHECK("dns_request_getresponse", result);
+
+	if (response->rcode != dns_rcode_noerror) {
+		result = dns_result_fromrcode(response->rcode);
+		fprintf(stderr, "I:response rcode: %s\n",
+			isc_result_totext(result));
+		exit(-1);
+	}
+
+	result = dns_tkey_processdhresponse(query, response, ourkey, &nonce,
+					    &tsigkey, ring);
+	CHECK("dns_tkey_processdhresponse", result);
+
+	/*
+	 * Yes, this is a hack.
+	 */
+	isc_buffer_init(&keynamebuf, keyname, sizeof(keyname));
+	result = dst_key_buildfilename(tsigkey->key, 0, "", &keynamebuf);
+	CHECK("dst_key_buildfilename", result);
+	printf("%.*s\n", (int)isc_buffer_usedlength(&keynamebuf),
+	       (char *)isc_buffer_base(&keynamebuf));
+	type = DST_TYPE_PRIVATE | DST_TYPE_PUBLIC | DST_TYPE_KEY;
+	result = dst_key_tofile(tsigkey->key, type, "");
+	CHECK("dst_key_tofile", result);
+
+	dns_message_detach(&query);
+	dns_message_detach(&response);
+	dns_request_destroy(&reqev->request);
+	isc_event_free(&event);
+	isc_app_shutdown();
+	return;
+}
+
+static void
+sendquery(isc_task_t *task, isc_event_t *event) {
+	struct in_addr inaddr;
+	isc_sockaddr_t address;
+	isc_region_t r;
+	isc_result_t result;
+	dns_fixedname_t keyname;
+	dns_fixedname_t ownername;
+	isc_buffer_t namestr, keybuf;
+	unsigned char keydata[9];
+	dns_message_t *query = NULL;
+	dns_request_t *request = NULL;
+	static char keystr[] = "0123456789ab";
+
+	isc_event_free(&event);
+
+	result = ISC_R_FAILURE;
+	if (inet_pton(AF_INET, ip_address, &inaddr) != 1) {
+		CHECK("inet_pton", result);
+	}
+	isc_sockaddr_fromin(&address, &inaddr, port);
+
+	dns_fixedname_init(&keyname);
+	isc_buffer_constinit(&namestr, "tkeytest.", 9);
+	isc_buffer_add(&namestr, 9);
+	result = dns_name_fromtext(dns_fixedname_name(&keyname), &namestr, NULL,
+				   0, NULL);
+	CHECK("dns_name_fromtext", result);
+
+	dns_fixedname_init(&ownername);
+	isc_buffer_constinit(&namestr, ownername_str, strlen(ownername_str));
+	isc_buffer_add(&namestr, strlen(ownername_str));
+	result = dns_name_fromtext(dns_fixedname_name(&ownername), &namestr,
+				   NULL, 0, NULL);
+	CHECK("dns_name_fromtext", result);
+
+	isc_buffer_init(&keybuf, keydata, 9);
+	result = isc_base64_decodestring(keystr, &keybuf);
+	CHECK("isc_base64_decodestring", result);
+
+	isc_buffer_usedregion(&keybuf, &r);
+
+	result = dns_tsigkey_create(
+		dns_fixedname_name(&keyname), DNS_TSIG_HMACMD5_NAME,
+		isc_buffer_base(&keybuf), isc_buffer_usedlength(&keybuf), false,
+		NULL, 0, 0, mctx, ring, &initialkey);
+	CHECK("dns_tsigkey_create", result);
+
+	dns_message_create(mctx, DNS_MESSAGE_INTENTRENDER, &query);
+
+	result = dns_tkey_builddhquery(query, ourkey,
+				       dns_fixedname_name(&ownername),
+				       DNS_TSIG_HMACMD5_NAME, &nonce, 3600);
+	CHECK("dns_tkey_builddhquery", result);
+
+	result = dns_request_create(requestmgr, query, NULL, &address,
+				    DNS_REQUESTOPT_TCP, initialkey, TIMEOUT, 0,
+				    0, task, recvquery, query, &request);
+	CHECK("dns_request_create", result);
+}
+
+int
+main(int argc, char *argv[]) {
+	char *ourkeyname = NULL;
+	isc_nm_t *netmgr = NULL;
+	isc_taskmgr_t *taskmgr = NULL;
+	isc_sockaddr_t bind_any;
+	dns_dispatchmgr_t *dispatchmgr = NULL;
+	dns_dispatch_t *dispatchv4 = NULL;
+	dns_view_t *view = NULL;
+	dns_tkeyctx_t *tctx = NULL;
+	isc_log_t *log = NULL;
+	isc_logconfig_t *logconfig = NULL;
+	isc_task_t *task = NULL;
+	isc_result_t result;
+	int type;
+
+	RUNCHECK(isc_app_start());
+
+	if (argc < 4) {
+		fprintf(stderr, "I:no DH key provided\n");
+		exit(-1);
+	}
+	ip_address = argv[1];
+	port = atoi(argv[2]);
+	ourkeyname = argv[3];
+
+	if (argc >= 5) {
+		ownername_str = argv[4];
+	}
+
+	isc_mem_debugging = ISC_MEM_DEBUGRECORD;
+	isc_mem_create(&mctx);
+
+	isc_log_create(mctx, &log, &logconfig);
+
+	RUNCHECK(dst_lib_init(mctx, NULL));
+
+	isc_managers_create(mctx, 1, 0, &netmgr, &taskmgr, NULL);
+
+	RUNCHECK(isc_task_create(taskmgr, 0, &task));
+	RUNCHECK(dns_dispatchmgr_create(mctx, netmgr, &dispatchmgr));
+
+	isc_sockaddr_any(&bind_any);
+	RUNCHECK(dns_dispatch_createudp(dispatchmgr, &bind_any, &dispatchv4));
+	RUNCHECK(dns_requestmgr_create(mctx, taskmgr, dispatchmgr, dispatchv4,
+				       NULL, &requestmgr));
+
+	RUNCHECK(dns_tsigkeyring_create(mctx, &ring));
+	RUNCHECK(dns_tkeyctx_create(mctx, &tctx));
+
+	RUNCHECK(dns_view_create(mctx, 0, "_test", &view));
+	dns_view_setkeyring(view, ring);
+	dns_tsigkeyring_detach(&ring);
+
+	RUNCHECK(isc_app_onrun(mctx, task, sendquery, NULL));
+
+	type = DST_TYPE_PUBLIC | DST_TYPE_PRIVATE | DST_TYPE_KEY;
+	result = dst_key_fromnamedfile(ourkeyname, NULL, type, mctx, &ourkey);
+	CHECK("dst_key_fromnamedfile", result);
+
+	isc_buffer_init(&nonce, noncedata, sizeof(noncedata));
+	isc_nonce_buf(noncedata, sizeof(noncedata));
+	isc_buffer_add(&nonce, sizeof(noncedata));
+
+	(void)isc_app_run();
+
+	dns_requestmgr_shutdown(requestmgr);
+	dns_requestmgr_detach(&requestmgr);
+	dns_dispatch_detach(&dispatchv4);
+	dns_dispatchmgr_detach(&dispatchmgr);
+	isc_task_shutdown(task);
+	isc_task_detach(&task);
+	isc_managers_destroy(&netmgr, &taskmgr, NULL);
+
+	dst_key_free(&ourkey);
+	dns_tsigkey_detach(&initialkey);
+	dns_tsigkey_detach(&tsigkey);
+
+	dns_tkeyctx_destroy(&tctx);
+
+	dns_view_detach(&view);
+
+	isc_log_destroy(&log);
+
+	dst_lib_destroy();
+
+	isc_mem_destroy(&mctx);
+
+	isc_app_finish();
+
+	return (0);
+}
diff --git a/bin/tests/system/tkey/keydelete.c b/bin/tests/system/tkey/keydelete.c
new file mode 100644
index 0000000..f653a18
--- /dev/null
+++ b/bin/tests/system/tkey/keydelete.c
@@ -0,0 +1,221 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/app.h>
+#include <isc/base64.h>
+#include <isc/hash.h>
+#include <isc/log.h>
+#include <isc/managers.h>
+#include <isc/mem.h>
+#include <isc/netmgr.h>
+#include <isc/print.h>
+#include <isc/random.h>
+#include <isc/result.h>
+#include <isc/sockaddr.h>
+#include <isc/task.h>
+#include <isc/util.h>
+
+#include <dns/dispatch.h>
+#include <dns/fixedname.h>
+#include <dns/keyvalues.h>
+#include <dns/message.h>
+#include <dns/name.h>
+#include <dns/request.h>
+#include <dns/result.h>
+#include <dns/tkey.h>
+#include <dns/tsig.h>
+#include <dns/view.h>
+
+#define CHECK(str, x)                                        \
+	{                                                    \
+		if ((x) != ISC_R_SUCCESS) {                  \
+			fprintf(stderr, "I:%s: %s\n", (str), \
+				isc_result_totext(x));       \
+			exit(-1);                            \
+		}                                            \
+	}
+
+#define RUNCHECK(x) RUNTIME_CHECK((x) == ISC_R_SUCCESS)
+
+#define TIMEOUT 30
+
+static char *ip_address = NULL;
+static int port;
+static isc_mem_t *mctx = NULL;
+static dns_tsigkey_t *tsigkey = NULL;
+static dns_tsig_keyring_t *ring = NULL;
+static dns_requestmgr_t *requestmgr = NULL;
+
+static void
+recvquery(isc_task_t *task, isc_event_t *event) {
+	dns_requestevent_t *reqev = (dns_requestevent_t *)event;
+	isc_result_t result;
+	dns_message_t *query = NULL, *response = NULL;
+
+	UNUSED(task);
+
+	REQUIRE(reqev != NULL);
+
+	if (reqev->result != ISC_R_SUCCESS) {
+		fprintf(stderr, "I:request event result: %s\n",
+			isc_result_totext(reqev->result));
+		exit(-1);
+	}
+
+	query = reqev->ev_arg;
+
+	dns_message_create(mctx, DNS_MESSAGE_INTENTPARSE, &response);
+
+	result = dns_request_getresponse(reqev->request, response,
+					 DNS_MESSAGEPARSE_PRESERVEORDER);
+	CHECK("dns_request_getresponse", result);
+
+	if (response->rcode != dns_rcode_noerror) {
+		result = dns_result_fromrcode(response->rcode);
+		fprintf(stderr, "I:response rcode: %s\n",
+			isc_result_totext(result));
+		exit(-1);
+	}
+
+	result = dns_tkey_processdeleteresponse(query, response, ring);
+	CHECK("dns_tkey_processdhresponse", result);
+
+	dns_message_detach(&query);
+	dns_message_detach(&response);
+	dns_request_destroy(&reqev->request);
+	isc_event_free(&event);
+	isc_app_shutdown();
+	return;
+}
+
+static void
+sendquery(isc_task_t *task, isc_event_t *event) {
+	struct in_addr inaddr;
+	isc_sockaddr_t address;
+	isc_result_t result;
+	dns_message_t *query = NULL;
+	dns_request_t *request = NULL;
+
+	isc_event_free(&event);
+
+	result = ISC_R_FAILURE;
+	if (inet_pton(AF_INET, ip_address, &inaddr) != 1) {
+		CHECK("inet_pton", result);
+	}
+	isc_sockaddr_fromin(&address, &inaddr, port);
+
+	dns_message_create(mctx, DNS_MESSAGE_INTENTRENDER, &query);
+
+	result = dns_tkey_builddeletequery(query, tsigkey);
+	CHECK("dns_tkey_builddeletequery", result);
+
+	result = dns_request_create(requestmgr, query, NULL, &address,
+				    DNS_REQUESTOPT_TCP, tsigkey, TIMEOUT, 0, 0,
+				    task, recvquery, query, &request);
+	CHECK("dns_request_create", result);
+}
+
+int
+main(int argc, char **argv) {
+	char *keyname = NULL;
+	isc_nm_t *netmgr = NULL;
+	isc_taskmgr_t *taskmgr = NULL;
+	isc_sockaddr_t bind_any;
+	dns_dispatchmgr_t *dispatchmgr = NULL;
+	dns_dispatch_t *dispatchv4 = NULL;
+	dns_view_t *view = NULL;
+	dns_tkeyctx_t *tctx = NULL;
+	dst_key_t *dstkey = NULL;
+	isc_log_t *log = NULL;
+	isc_logconfig_t *logconfig = NULL;
+	isc_task_t *task = NULL;
+	isc_result_t result;
+	int type;
+
+	RUNCHECK(isc_app_start());
+
+	if (argc < 4) {
+		fprintf(stderr, "I:no key to delete\n");
+		exit(-1);
+	}
+	if (strcmp(argv[1], "-r") == 0) {
+		fprintf(stderr, "I:The -r options has been deprecated\n");
+		exit(-1);
+	}
+	ip_address = argv[1];
+	port = atoi(argv[2]);
+	keyname = argv[3];
+
+	isc_mem_create(&mctx);
+
+	isc_log_create(mctx, &log, &logconfig);
+
+	RUNCHECK(dst_lib_init(mctx, NULL));
+
+	isc_managers_create(mctx, 1, 0, &netmgr, &taskmgr, NULL);
+
+	RUNCHECK(isc_task_create(taskmgr, 0, &task));
+	RUNCHECK(dns_dispatchmgr_create(mctx, netmgr, &dispatchmgr));
+	isc_sockaddr_any(&bind_any);
+	RUNCHECK(dns_dispatch_createudp(dispatchmgr, &bind_any, &dispatchv4));
+	RUNCHECK(dns_requestmgr_create(mctx, taskmgr, dispatchmgr, dispatchv4,
+				       NULL, &requestmgr));
+
+	RUNCHECK(dns_tsigkeyring_create(mctx, &ring));
+	RUNCHECK(dns_tkeyctx_create(mctx, &tctx));
+
+	RUNCHECK(dns_view_create(mctx, 0, "_test", &view));
+	dns_view_setkeyring(view, ring);
+
+	RUNCHECK(isc_app_onrun(mctx, task, sendquery, NULL));
+
+	type = DST_TYPE_PUBLIC | DST_TYPE_PRIVATE | DST_TYPE_KEY;
+	result = dst_key_fromnamedfile(keyname, NULL, type, mctx, &dstkey);
+	CHECK("dst_key_fromnamedfile", result);
+	result = dns_tsigkey_createfromkey(dst_key_name(dstkey),
+					   DNS_TSIG_HMACMD5_NAME, dstkey, true,
+					   NULL, 0, 0, mctx, ring, &tsigkey);
+	dst_key_free(&dstkey);
+	CHECK("dns_tsigkey_createfromkey", result);
+
+	(void)isc_app_run();
+
+	dns_requestmgr_shutdown(requestmgr);
+	dns_requestmgr_detach(&requestmgr);
+	dns_dispatch_detach(&dispatchv4);
+	dns_dispatchmgr_detach(&dispatchmgr);
+	isc_task_shutdown(task);
+	isc_task_detach(&task);
+	isc_managers_destroy(&netmgr, &taskmgr, NULL);
+
+	dns_tsigkeyring_detach(&ring);
+
+	dns_tsigkey_detach(&tsigkey);
+
+	dns_tkeyctx_destroy(&tctx);
+
+	dns_view_detach(&view);
+
+	isc_log_destroy(&log);
+
+	dst_lib_destroy();
+
+	isc_mem_destroy(&mctx);
+
+	isc_app_finish();
+
+	return (0);
+}
diff --git a/bin/tests/system/tkey/ns1/example.db b/bin/tests/system/tkey/ns1/example.db
new file mode 100644
index 0000000..a847946
--- /dev/null
+++ b/bin/tests/system/tkey/ns1/example.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 1D
+
+@			IN SOA	ns hostmaster (
+				1
+				3600
+				1800
+				1814400
+				3
+				)
+			NS	ns
+ns			A	10.53.0.1
+mx			MX	10 mail
+a			A	10.53.0.1
+			A	10.53.0.2
+txt			TXT	"this is text"
+
diff --git a/bin/tests/system/tkey/ns1/named.conf.in b/bin/tests/system/tkey/ns1/named.conf.in
new file mode 100644
index 0000000..c5c372c
--- /dev/null
+++ b/bin/tests/system/tkey/ns1/named.conf.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+controls { /* empty */ };
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+	tkey-domain "server";
+	tkey-dhkey "server" KEYID;
+	allow-query-cache { any; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key "tkeytest." {
+	algorithm hmac-md5;
+	secret "0123456789ab";
+};
+
+zone example {
+	type primary;
+	file "example.db";
+	allow-query { key tkeytest.; none; };
+};
diff --git a/bin/tests/system/tkey/ns1/setup.sh b/bin/tests/system/tkey/ns1/setup.sh
new file mode 100644
index 0000000..b283f73
--- /dev/null
+++ b/bin/tests/system/tkey/ns1/setup.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../../conf.sh
+
+keyname=$($KEYGEN -T KEY -a DH -b 768 -n host server)
+keyid=$(keyfile_to_key_id "$keyname")
+sed -i -e "s;KEYID;$keyid;" named.conf
diff --git a/bin/tests/system/tkey/setup.sh b/bin/tests/system/tkey/setup.sh
new file mode 100644
index 0000000..bc6aa51
--- /dev/null
+++ b/bin/tests/system/tkey/setup.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+
+cd ns1 && $SHELL setup.sh
diff --git a/bin/tests/system/tkey/tests.sh b/bin/tests/system/tkey/tests.sh
new file mode 100644
index 0000000..864542f
--- /dev/null
+++ b/bin/tests/system/tkey/tests.sh
@@ -0,0 +1,163 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+dig_with_opts() {
+	"$DIG" @10.53.0.1 -p "$PORT" "$@"
+}
+
+status=0
+n=1
+
+echo_i "generating new DH key ($n)"
+ret=0
+dhkeyname=$($KEYGEN -T KEY -a DH -b 768 -n host client) || ret=1
+if [ $ret != 0 ]; then
+	echo_i "failed"
+	status=$((status+ret))
+	echo_i "exit status: $status"
+	exit $status
+fi
+status=$((status+ret))
+n=$((n+1))
+
+for owner in . foo.example.
+do
+	echo_i "creating new key using owner name \"$owner\" ($n)"
+	ret=0
+	keyname=$($KEYCREATE 10.53.0.1 "$PORT" "$dhkeyname" $owner) || ret=1
+	if [ $ret != 0 ]; then
+		echo_i "failed"
+		status=$((status+ret))
+		echo_i "exit status: $status"
+		exit $status
+	fi
+	status=$((status+ret))
+	n=$((n+1))
+
+	echo_i "checking the new key ($n)"
+	ret=0
+	dig_with_opts txt txt.example -k "$keyname" > dig.out.test$n || ret=1
+	grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+	grep "TSIG.*hmac-md5.*NOERROR" dig.out.test$n > /dev/null || ret=1
+	grep "Some TSIG could not be validated" dig.out.test$n > /dev/null && ret=1
+	if [ $ret != 0 ]; then
+		echo_i "failed"
+	fi
+	status=$((status+ret))
+	n=$((n+1))
+
+	echo_i "deleting new key ($n)"
+	ret=0
+	$KEYDELETE 10.53.0.1 "$PORT" "$keyname" || ret=1
+	if [ $ret != 0 ]; then
+		echo_i "failed"
+	fi
+	status=$((status+ret))
+	n=$((n+1))
+
+	echo_i "checking that new key has been deleted ($n)"
+	ret=0
+	dig_with_opts txt txt.example -k "$keyname" > dig.out.test$n || ret=1
+	grep "status: NOERROR" dig.out.test$n > /dev/null && ret=1
+	grep "TSIG.*hmac-md5.*NOERROR" dig.out.test$n > /dev/null && ret=1
+	grep "Some TSIG could not be validated" dig.out.test$n > /dev/null || ret=1
+	if [ $ret != 0 ]; then
+		echo_i "failed"
+	fi
+	status=$((status+ret))
+	n=$((n+1))
+done
+
+echo_i "creating new key using owner name bar.example. ($n)"
+ret=0
+keyname=$($KEYCREATE 10.53.0.1 "$PORT" "$dhkeyname" bar.example.) || ret=1
+if [ $ret != 0 ]; then
+        echo_i "failed"
+	status=$((status+ret))
+        echo_i "exit status: $status"
+        exit $status
+fi
+status=$((status+ret))
+n=$((n+1))
+
+echo_i "checking the key with 'rndc tsig-list' ($n)"
+ret=0
+$RNDC -c ../common/rndc.conf -s 10.53.0.1 -p "$CONTROLPORT" tsig-list > rndc.out.test$n
+grep "key \"bar.example.server" rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then
+        echo_i "failed"
+fi
+status=$((status+ret))
+n=$((n+1))
+
+echo_i "using key in a request ($n)"
+ret=0
+dig_with_opts -k "$keyname" txt.example txt > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then
+        echo_i "failed"
+fi
+status=$((status+ret))
+n=$((n+1))
+
+echo_i "deleting the key with 'rndc tsig-delete' ($n)"
+ret=0
+$RNDC -c ../common/rndc.conf -s 10.53.0.1 -p "$CONTROLPORT" tsig-delete bar.example.server > /dev/null || ret=1
+$RNDC -c ../common/rndc.conf -s 10.53.0.1 -p "$CONTROLPORT" tsig-list > rndc.out.test$n
+grep "key \"bar.example.server" rndc.out.test$n > /dev/null && ret=1
+dig_with_opts -k "$keyname" txt.example txt > dig.out.test$n || ret=1
+grep "TSIG could not be validated" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then
+        echo_i "failed"
+fi
+status=$((status+ret))
+n=$((n+1))
+
+echo_i "recreating the bar.example. key ($n)"
+ret=0
+keyname=$($KEYCREATE 10.53.0.1 "$PORT" "$dhkeyname" bar.example.) || ret=1
+if [ $ret != 0 ]; then
+        echo_i "failed"
+	status=$((status+ret))
+        echo_i "exit status: $status"
+        exit $status
+fi
+status=$((status+ret))
+n=$((n+1))
+
+echo_i "checking the new key with 'rndc tsig-list' ($n)"
+ret=0
+$RNDC -c ../common/rndc.conf -s 10.53.0.1 -p "$CONTROLPORT" tsig-list > rndc.out.test$n
+grep "key \"bar.example.server" rndc.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then
+        echo_i "failed"
+fi
+status=$((status+ret))
+n=$((n+1))
+
+echo_i "using the new key in a request ($n)"
+ret=0
+dig_with_opts -k "$keyname" txt.example txt > dig.out.test$n || ret=1
+grep "status: NOERROR" dig.out.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then
+        echo_i "failed"
+fi
+status=$((status+ret))
+n=$((n+1))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/tkey/tests_sh_tkey.py b/bin/tests/system/tkey/tests_sh_tkey.py
new file mode 100644
index 0000000..9a29490
--- /dev/null
+++ b/bin/tests/system/tkey/tests_sh_tkey.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_tkey(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/tools/clean.sh b/bin/tests/system/tools/clean.sh
new file mode 100644
index 0000000..32a8e97
--- /dev/null
+++ b/bin/tests/system/tools/clean.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f NSEC3
+rm -f nsec3hash
+rm -f nsec3param
+rm -f testcases
diff --git a/bin/tests/system/tools/setup.sh b/bin/tests/system/tools/setup.sh
new file mode 100644
index 0000000..b8ae3b4
--- /dev/null
+++ b/bin/tests/system/tools/setup.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+$SHELL clean.sh
diff --git a/bin/tests/system/tools/tests.sh b/bin/tests/system/tools/tests.sh
new file mode 100644
index 0000000..a7113cb
--- /dev/null
+++ b/bin/tests/system/tools/tests.sh
@@ -0,0 +1,107 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+status=0
+
+checkout() {
+	rc=$1
+	case $rc in
+	0) : ok ;;
+	*) echo_i "failed"
+	   status=$((status + 1))
+	   return 1 ;;
+	esac
+	case $out in
+	*$hash*) : ok ;;
+	*) echo_i "expect $hash"
+	   echo_i "output $out"
+	   echo_i "failed"
+	   status=$((status + 1)) ;;
+	esac
+}
+
+# test cases taken from RFC 5155 appendix A
+algo=1 flags=0 iters=12 salt="aabbccdd"
+while	read name hash
+do
+	echo_i "checking $NSEC3HASH $name"
+	{ out=$($NSEC3HASH $salt $algo $iters $name); rc=$?; } || true
+	checkout $rc
+
+	echo_i "checking $NSEC3HASH -r $name"
+	{ out=$($NSEC3HASH -r $algo $flags $iters $salt $name); rc=$?; } || true
+	checkout $rc
+
+done <<EOF
+*.w.example R53BQ7CC2UVMUBFU5OCMM6PERS9TK9EN
+2t7b4g4vsa5smi47k61mv5bv1a22bojr.example KOHAR7MBB8DC2CE8A9QVL8HON4K53UHI
+a.example 35MTHGPGCU1QG68FAB165KLNSNK3DPVL
+ai.example GJEQE526PLBF1G8MKLP59ENFD789NJGI
+example 0P9MHAVEQVM6T7VBL5LOP2U3T2RP3TOM
+ns1.example 2T7B4G4VSA5SMI47K61MV5BV1A22BOJR
+ns2.example Q04JKCEVQVMU85R014C7DKBA38O0JI5R
+w.example K8UDEMVP1J2F7EG6JEBPS17VP3N8I58H
+x.w.example B4UM86EGHHDS6NEA196SMVMLO4ORS995
+x.y.w.example 2VPTU5TIMAMQTTGL4LUU9KG21E0AOR3S
+xx.example T644EBQK9BIBCNA874GIVR6JOJ62MLHV
+y.w.example JI6NEOAEPV8B5O6K4EV33ABHA8HT9FGC
+EOF
+
+# test empty salt
+checkempty() {
+	rc=$1
+	hash=CK0POJMG874LJREF7EFN8430QVIT8BSM checkout $rc &&
+	hash=- checkout $rc
+}
+name=com algo=1 flags=1 iters=0
+echo_i "checking $NSEC3HASH '' $name"
+{ out=$($NSEC3HASH '' $algo $iters $name); rc=$?; } || true
+checkempty $rc
+echo_i "checking $NSEC3HASH - $name"
+{ out=$($NSEC3HASH - $algo $iters $name); rc=$?; } || true
+checkempty $rc
+echo_i "checking $NSEC3HASH -- '' $name"
+{ out=$($NSEC3HASH -- '' $algo $iters $name); rc=$?; } || true
+checkempty $rc
+echo_i "checking $NSEC3HASH -- - $name"
+{ out=$($NSEC3HASH -- - $algo $iters $name); rc=$?; } || true
+checkempty $rc
+echo_i "checking $NSEC3HASH -r '' $name"
+{ out=$($NSEC3HASH -r $algo $flags $iters '' $name); rc=$?; } || true
+checkempty $rc
+echo_i "checking $NSEC3HASH -r - $name"
+{ out=$($NSEC3HASH -r $algo $flags $iters - $name); rc=$?; } || true
+checkempty $rc
+
+checkfail() {
+	rc=$1
+	case $rc in
+	0) echo_i "failed to fail"
+	   status=$((status + 1))
+	   return 1 ;;
+	esac
+}
+echo_i "checking $NSEC3HASH missing args"
+{ out=$($NSEC3HASH 00 1 0 2>&1); rc=$?; } || true
+checkfail $rc
+echo_i "checking $NSEC3HASH extra args"
+{ out=$($NSEC3HASH 00 1 0 two names 2>&1); rc=$?; } || true
+checkfail $rc
+echo_i "checking $NSEC3HASH bad option"
+{ out=$($NSEC3HASH -? 2>&1); rc=$?; } || true
+checkfail $rc
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/tools/tests_sh_tools.py b/bin/tests/system/tools/tests_sh_tools.py
new file mode 100644
index 0000000..319a0fe
--- /dev/null
+++ b/bin/tests/system/tools/tests_sh_tools.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_tools(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/transport-acl/clean.sh b/bin/tests/system/transport-acl/clean.sh
new file mode 100644
index 0000000..e8d1b95
--- /dev/null
+++ b/bin/tests/system/transport-acl/clean.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after zone transfer tests.
+#
+
+rm -f ./*/named.conf
+rm -f ./*/named.memstats
+rm -f ./*/named.run
+rm -f ./*/named.run.prev
+rm -f ./dig.out.*
+rm -f ./*/example.db
+rm -rf ./headers.*
diff --git a/bin/tests/system/transport-acl/ns1/named.conf.in b/bin/tests/system/transport-acl/ns1/named.conf.in
new file mode 100644
index 0000000..cf0ccd5
--- /dev/null
+++ b/bin/tests/system/transport-acl/ns1/named.conf.in
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+tls self-signed {
+	cert-file "../self-signed-cert.pem";
+	key-file "../self-signed-key.pem";
+};
+
+options {
+	pid-file "named.pid";
+	##
+	# generic test
+	listen-on port @PORT@ { 10.53.0.1; };
+	listen-on port @TLSPORT@ tls self-signed { 10.53.0.1; };
+	# test #1
+	listen-on port @EXTRAPORT1@ { 10.53.0.1; };
+	listen-on port @EXTRAPORT1@ tls self-signed { 10.53.0.2; };
+	listen-on port @EXTRAPORT2@ { 10.53.0.1; };
+	listen-on port @EXTRAPORT2@ tls self-signed { 10.53.0.2; };
+	# test #2
+	listen-on port @EXTRAPORT1@ { 10.53.0.3; };
+	listen-on port @EXTRAPORT2@ { 10.53.0.3; };
+	listen-on port @EXTRAPORT1@ tls self-signed { 10.53.0.4; };
+	listen-on port @EXTRAPORT2@ tls self-signed { 10.53.0.4; };
+	# test #3
+	listen-on port @EXTRAPORT3@ tls self-signed { 10.53.0.3; };
+	listen-on port @EXTRAPORT4@ tls self-signed { 10.53.0.3; };
+	listen-on port @EXTRAPORT3@ { 10.53.0.4; };
+	listen-on port @EXTRAPORT4@ { 10.53.0.4; };
+	# test #4
+	listen-on port @EXTRAPORT1@ { 10.53.0.5; };
+	listen-on port @EXTRAPORT2@ { 10.53.0.5; };
+	listen-on port @EXTRAPORT1@ tls self-signed { 10.53.0.6; };
+	# test #5
+	listen-on port @EXTRAPORT3@ tls self-signed { 10.53.0.1; };
+	listen-on port @EXTRAPORT4@ tls self-signed { 10.53.0.1; };
+	listen-on port @EXTRAPORT3@ { 10.53.0.2; };
+	# test #6
+	listen-on port @EXTRAPORT5@ { 10.53.0.1; };
+	# test #7
+	listen-on port @EXTRAPORT6@ tls self-signed  { 10.53.0.1; };
+	# test #7
+	listen-on port @EXTRAPORT7@ tls self-signed  { 10.53.0.1; };
+	# test #8
+	listen-on port @EXTRAPORT8@ { 10.53.0.1; };
+	##
+	listen-on-v6 { none; };
+	recursion no;
+	notify explicit;
+	statistics-file "named.stats";
+	dnssec-validation yes;
+	tcp-initial-timeout 1200;
+};
+
+zone "example0" {
+	type primary;
+	file "example.db";
+	allow-transfer port @TLSPORT@ transport tls { any; };
+};
+
+zone "example1" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT1@ { any; };
+};
+
+zone "example2" {
+	type primary;
+	file "example.db";
+	allow-transfer transport tcp { any; };
+};
+
+zone "example3" {
+	type primary;
+	file "example.db";
+	allow-transfer transport tls { any; };
+};
+
+zone "example4" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT1@ transport tcp { any; };
+};
+
+zone "example5" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT3@ transport tls { any; };
+};
+
+zone "example6" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT5@ transport tcp { 10.53.0.7; 10.53.0.8; 10.53.0.9; };
+};
+
+zone "example7" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT6@ transport tls { 10.53.0.7; 10.53.0.8; 10.53.0.9; };
+};
+
+zone "example8" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT7@ transport tls { 10.53.0.1; 10.53.0.2; 10.53.0.3; };
+};
+
+zone "example9" {
+	type primary;
+	file "example.db";
+	allow-transfer port @EXTRAPORT8@ transport tcp { 10.53.0.7; !10.53.0.8; 10.53.0.9; };
+};
diff --git a/bin/tests/system/transport-acl/self-signed-cert.pem b/bin/tests/system/transport-acl/self-signed-cert.pem
new file mode 100644
index 0000000..d569353
--- /dev/null
+++ b/bin/tests/system/transport-acl/self-signed-cert.pem
@@ -0,0 +1,28 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/bin/tests/system/transport-acl/self-signed-key.pem b/bin/tests/system/transport-acl/self-signed-key.pem
new file mode 100644
index 0000000..5d9748b
--- /dev/null
+++ b/bin/tests/system/transport-acl/self-signed-key.pem
@@ -0,0 +1,40 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
diff --git a/bin/tests/system/transport-acl/setup.sh b/bin/tests/system/transport-acl/setup.sh
new file mode 100644
index 0000000..672a5b6
--- /dev/null
+++ b/bin/tests/system/transport-acl/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# shellcheck disable=SC1091
+. ../conf.sh
+
+$SHELL clean.sh
+
+$SHELL "${TOP_SRCDIR}"/bin/tests/system/genzone.sh 2 > ns1/example.db
+
+copy_setports ns1/named.conf.in ns1/named.conf
diff --git a/bin/tests/system/transport-acl/tests.sh b/bin/tests/system/transport-acl/tests.sh
new file mode 100644
index 0000000..9bed02b
--- /dev/null
+++ b/bin/tests/system/transport-acl/tests.sh
@@ -0,0 +1,124 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck disable=SC1091
+. ../conf.sh
+
+dig_out_basename="dig.out.test"
+testing="testing allow-transfer transport ACL functionality"
+
+dig_with_opts() {
+	# shellcheck disable=SC2086
+	"$DIG" +noadd +nosea +nostat +noquest +nocmd "$@"
+}
+
+status=0
+n=0
+
+run_dig_test () {
+	test_message="$1"
+	shift
+	n=$((n+1))
+	echo_i "$test_message ($n)"
+	ret=0
+	dig_with_opts "$@" > "$dig_out_basename$n" || ret=1
+}
+
+run_dig_expect_axfr_success () {
+	run_dig_test "$@"
+	grep "; Transfer failed" "$dig_out_basename$n" > /dev/null && ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status+ret))
+}
+
+run_dig_expect_axfr_failure () {
+	run_dig_test "$@"
+	grep "; Transfer failed" "$dig_out_basename$n" > /dev/null || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; fi
+	status=$((status + ret))
+}
+
+# generic tests
+run_dig_expect_axfr_success "$testing for XoT" -p "${TLSPORT}" +tls -b 10.53.0.10 @10.53.0.1 axfr example0
+
+run_dig_expect_axfr_failure "$testing XFR via TCP (failure expected)" -p "${PORT}" +tcp -b 10.53.0.10 @10.53.0.1 axfr example0
+
+# 1. Test allow-transfer port X, transfer works with TCP and TLS on port X but not port Y.
+
+run_dig_expect_axfr_success "$testing for XFR via TCP" -p "${EXTRAPORT1}" +tcp -b 10.53.0.10 @10.53.0.1 axfr example1
+
+run_dig_expect_axfr_success "$testing for XoT" -p "${EXTRAPORT1}" +tls -b 10.53.0.10 @10.53.0.2 axfr example1
+
+run_dig_expect_axfr_failure "$testing for XFR via TCP (failure expected)" -p  "${EXTRAPORT2}" +tcp -b 10.53.0.10 @10.53.0.1 axfr example1
+
+run_dig_expect_axfr_failure "$testing for XoT (failure expected)" -p "${EXTRAPORT2}" +tls -b 10.53.0.10 @10.53.0.2 axfr example1
+
+# 2. Test allow-transfer transport tcp, transfer works with TCP on any port but not TLS.
+
+run_dig_expect_axfr_success "$testing for XFR via TCP" -p "${EXTRAPORT1}" +tcp -b 10.53.0.10 @10.53.0.3 axfr example2
+
+run_dig_expect_axfr_success "$testing for XFR via TCP" -p "${EXTRAPORT2}" +tcp -b 10.53.0.10 @10.53.0.3 axfr example2
+
+run_dig_expect_axfr_failure "$testing for XoT (failure expected)" -p "${EXTRAPORT1}" +tls -b 10.53.0.10 @10.53.0.4 axfr example2
+
+run_dig_expect_axfr_failure "$testing for XoT (failure expected)" -p "${EXTRAPORT2}" +tls -b 10.53.0.10 @10.53.0.4 axfr example2
+
+# 3. Test allow-transfer transport tls, transfer works with TLS on any port but not TCP.
+run_dig_expect_axfr_success "$testing for XoT" -p "${EXTRAPORT3}" +tls -b 10.53.0.10 @10.53.0.3 axfr example3
+
+run_dig_expect_axfr_success "$testing for XoT" -p "${EXTRAPORT4}" +tls -b 10.53.0.10 @10.53.0.3 axfr example3
+
+run_dig_expect_axfr_failure "$testing for XFR via TCP (failure expected)" -p "${EXTRAPORT3}" +tcp -b 10.53.0.10 @10.53.0.4 axfr example3
+
+run_dig_expect_axfr_failure "$testing for XFR via TCP (failure expected)" -p "${EXTRAPORT4}" +tcp -b 10.53.0.10 @10.53.0.4 axfr example3
+
+# 4. Test allow-transfer port X transport tcp, transfer works with TCP on port X but not port Y and not with TLS on port X.
+
+run_dig_expect_axfr_success "$testing for XFR via TCP" -p "${EXTRAPORT1}" +tcp -b 10.53.0.10 @10.53.0.5 axfr example4
+
+run_dig_expect_axfr_failure "$testing for XFR via TCP (failure expected)" -p "${EXTRAPORT2}" +tcp -b 10.53.0.10 @10.53.0.5 axfr example4
+
+run_dig_expect_axfr_failure "$testing for XoT (failure expected)" -p "${EXTRAPORT1}" +tls -b 10.53.0.10 @10.53.0.6 axfr example4
+
+# 5. Test allow-transfer port X transport tls, transfer works with TLS on port X but not port Y and not with TCP on port X.
+
+run_dig_expect_axfr_success "$testing for XoT" -p "${EXTRAPORT3}" +tls -b 10.53.0.10 @10.53.0.1 axfr example5
+
+run_dig_expect_axfr_failure "$testing for XoT (failure expected)" -p "${EXTRAPORT4}" +tls -b 10.53.0.10 @10.53.0.1 axfr example5
+
+run_dig_expect_axfr_failure "$testing for XFR via TCP (failure expected)" -p "${EXTRAPORT3}" +tcp -b 10.53.0.10 @10.53.0.2 axfr example5
+
+# 6. Test with multiple allow-transfer available, first ACL is a match.
+run_dig_expect_axfr_success "$testing for XFR via TCP" -p "${EXTRAPORT5}" +tcp -b 10.53.0.7 @10.53.0.1 axfr example6
+
+run_dig_expect_axfr_failure "$testing for XFR via TCP (failure expected)" -p "${EXTRAPORT5}" +tcp -b 10.53.0.6 @10.53.0.1 axfr example6
+
+# 7. Test with multiple allow-transfer available, last ACL is a match.
+run_dig_expect_axfr_success "$testing for XoT" -p "${EXTRAPORT6}" +tls -b 10.53.0.9 @10.53.0.1 axfr example7
+
+run_dig_expect_axfr_failure "$testing for XoT (failure expected)" -p "${EXTRAPORT6}" +tls -b 10.53.0.6 @10.53.0.1 axfr example7
+
+# 8. Test with multiple allow-transfer available, no ACL is a match.
+run_dig_expect_axfr_failure "$testing for XoT (failure expected)" -p "${EXTRAPORT7}" +tls -b 10.53.0.7 @10.53.0.1 axfr example8
+
+# 9. Test with multiple allow-transfer available, negated ACL is used.
+run_dig_expect_axfr_success "$testing for XFR via TCP" -p "${EXTRAPORT8}" +tcp -b 10.53.0.7 @10.53.0.1 axfr example9
+
+run_dig_expect_axfr_failure "$testing for XoT (failure expected)" -p "${EXTRAPORT8}" +tcp -b 10.53.0.8 @10.53.0.1 axfr example9
+
+run_dig_expect_axfr_success "$testing for XFR via TCP" -p "${EXTRAPORT8}" +tcp -b 10.53.0.9 @10.53.0.1 axfr example9
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/transport-acl/tests_sh_transport_acl.py b/bin/tests/system/transport-acl/tests_sh_transport_acl.py
new file mode 100644
index 0000000..400c859
--- /dev/null
+++ b/bin/tests/system/transport-acl/tests_sh_transport_acl.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_transport_acl(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/tsig/ans2/ans.pl b/bin/tests/system/tsig/ans2/ans.pl
new file mode 100644
index 0000000..09ab29b
--- /dev/null
+++ b/bin/tests/system/tsig/ans2/ans.pl
@@ -0,0 +1,52 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# An adhoc server that returns a TC=1 response with the final byte
+# removed to generate UNEXPECTEDEND form dns_message_parse.
+#
+
+use IO::File;
+use IO::Socket;
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+printf "localport %u\n", $localport;
+
+my $sock = IO::Socket::INET->new(LocalAddr => "10.53.0.2",
+   LocalPort => $localport, Proto => "udp") or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+sub arraystring {
+    my $string = join("", @_);
+    return $string;
+}
+
+for (;;) {
+	$from = $sock->recv($buf, 512);
+	($port, $ip_address) = unpack_sockaddr_in($from);
+	$l = length($buf);
+	printf "received %u bytes from %s#%u\n", $l, inet_ntoa($ip_address), $port;
+	@up = unpack("C[$l]", $buf);
+	$up[2] |= 0x80; # QR
+	$up[2] |= 0x02; # TC
+	$up[3] |= 0x80; # RA
+	$l -= 1;	# truncate the response 1 byte
+	$replydata = pack("C[$l]", @up);
+	printf "sent %u bytes\n", $sock->send($replydata);
+}
diff --git a/bin/tests/system/tsig/badlocation b/bin/tests/system/tsig/badlocation
new file mode 100644
index 0000000..4477423
--- /dev/null
+++ b/bin/tests/system/tsig/badlocation
@@ -0,0 +1,37 @@
+# Transaction ID
+1122
+# Standard query
+0000
+# Questions: 1, Additional: 1
+0001 0000 0001 0000
+# QNAME: isc.org
+03 69 73 63 03 6F 72 67 00
+# Type: A (Host Address)
+0001
+# Class: IN
+0001
+# Specially crafted TSIG Resource Record
+# Name: "sha256"
+06 73 68 61 32 35 36 00
+# Type: TSIG (Transaction Signature)
+00fa
+# Class: ANY
+00ff
+# TTL: 0
+00000000
+# RdLen: 29
+001d
+# Algorithm Name: hmac-sha256
+0b 68 6D 61 63 2D 73 68 61 32 35 36 00
+# Time Signed: Jan 1, 1970 01:00:00.000000000 CET
+00 00 00 00 00 00
+# Fudge: 300
+012c
+# MAC Size: 0; MAC: empty
+0000
+# Original ID: 0
+0000
+# Error: no error
+0000
+# Other Data Length: 0
+0000
diff --git a/bin/tests/system/tsig/badtime b/bin/tests/system/tsig/badtime
new file mode 100644
index 0000000..7926404
--- /dev/null
+++ b/bin/tests/system/tsig/badtime
@@ -0,0 +1,37 @@
+# Transaction ID
+1122
+# Standard query
+0000
+# Questions: 1, Additional: 1
+0001 0000 0000 0001
+# QNAME: isc.org
+03 69 73 63 03 6F 72 67 00
+# Type: A (Host Address)
+0001
+# Class: IN
+0001
+# Specially crafted TSIG Resource Record
+# Name: "sha256"
+06 73 68 61 32 35 36 00
+# Type: TSIG (Transaction Signature)
+00fa
+# Class: ANY
+00ff
+# TTL: 0
+00000000
+# RdLen: 29
+001d
+# Algorithm Name: hmac-sha256
+0b 68 6D 61 63 2D 73 68 61 32 35 36 00
+# Time Signed: Jan 1, 1970 01:00:00.000000000 CET
+00 00 00 00 00 00
+# Fudge: 300
+012c
+# MAC Size: 0; MAC: empty
+0000
+# Original ID: 0
+0000
+# Error: BADSIG
+0010
+# Other Data Length: 0
+0000
diff --git a/bin/tests/system/tsig/clean.sh b/bin/tests/system/tsig/clean.sh
new file mode 100644
index 0000000..b173ffe
--- /dev/null
+++ b/bin/tests/system/tsig/clean.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after tsig tests.
+#
+
+rm -f dig.out.*
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run
+rm -f ns*/named.lock
+rm -f Kexample.net.*
+rm -f keygen.out?
+rm -f ns*/managed-keys.bind*
+rm -f packet.out
diff --git a/bin/tests/system/tsig/ns1/example.db b/bin/tests/system/tsig/ns1/example.db
new file mode 100644
index 0000000..7854613
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/example.db
@@ -0,0 +1,163 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example.nil		IN SOA	ns1.example.nil. hostmaster.example.nil. (
+				1	   ; serial
+				2000       ; refresh (2000 seconds)
+				2000       ; retry (2000 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.nil.		NS	ns1.example.nil.
+ns1.example.nil.	A	10.53.0.1
+example.nil.		NS	ns2.example.nil.
+ns2.example.nil.	A	10.53.0.2
+
+$ORIGIN example.nil.
+*			MX	10 mail
+a			TXT	"foo foo foo"
+			PTR	foo.net.
+$TTL 3600	; 1 hour
+a01			A	0.0.0.0
+a02			A	255.255.255.255
+a601			AAAA	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+afsdb01			AFSDB	0 hostname
+afsdb02			AFSDB	65535 .
+$TTL 300	; 5 minutes
+b			CNAME	foo.net.
+c			A	73.80.65.49
+$TTL 3600	; 1 hour
+cert01			CERT	65534 65535 PRIVATEOID (
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+cname01			CNAME	cname-target.
+cname02			CNAME	cname-target
+cname03			CNAME	.
+$TTL 300	; 5 minutes
+d			A	73.80.65.49
+$TTL 3600	; 1 hour
+dname01			DNAME	dname-target.
+dname02			DNAME	dname-target
+dname03			DNAME	.
+$TTL 300	; 5 minutes
+e			MX	10 mail
+			TXT	"one"
+			TXT	"three"
+			TXT	"two"
+			A	73.80.65.49
+			A	73.80.65.50
+			A	73.80.65.52
+			A	73.80.65.51
+f			A	73.80.65.52
+$TTL 3600	; 1 hour
+gpos01			GPOS	"-22.6882" "116.8652" "250.0"
+gpos02			GPOS	"" "" ""
+hinfo01			HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02			HINFO	"PC" "NetBSD"
+isdn01			ISDN	"isdn-address"
+isdn02			ISDN	"isdn-address" "subaddress"
+isdn03			ISDN	"isdn-address"
+isdn04			ISDN	"isdn-address" "subaddress"
+key01			KEY	512 255 1 (
+				AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aR
+				yzWZriO6i2odGWWQVucZqKVsENW91IOW4vqudngPZsY3
+				GvQ/xVA8/7pyFj6b7Esga60zyGW6LFe9r8n6paHrlG5o
+				jqf0BaqHT+8= )
+kx01			KX	10 kdc
+kx02			KX	10 .
+loc01			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+mb01			MG	madname
+mb02			MG	.
+mg01			MG	mgmname
+mg02			MG	.
+minfo01			MINFO	rmailbx emailbx
+minfo02			MINFO	. .
+mr01			MR	mrname
+mr02			MR	.
+mx01			MX	10 mail
+mx02			MX	10 .
+naptr01			NAPTR	0 0 "" "" "" .
+naptr02			NAPTR	65535 65535 "blurgh" "blorf" ":(.*):\\1:" foo.
+nsap-ptr01		NSAP-PTR foo.
+			NSAP-PTR .
+nsap01			NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02			NSAP	0x47000580005a0000000001e133ffffff00016100
+nxt01			NXT	a.secure ( NS SOA MX SIG KEY LOC NXT )
+nxt02			NXT	. ( NSAP-PTR NXT )
+nxt03			NXT	. ( A )
+nxt04			NXT	. ( 127 )
+ptr01			PTR	example.nil.
+px01			PX	65535 foo. bar.
+px02			PX	65535 . .
+rp01			RP	mbox-dname txt-dname
+rp02			RP	. .
+rt01			RT	0 intermediate-host
+rt02			RT	65535 .
+$TTL 300	; 5 minutes
+s			NS	ns.s
+$ORIGIN s.example.nil.
+ns			A	73.80.65.49
+$ORIGIN example.nil.
+$TTL 3600	; 1 hour
+sig01			SIG	NXT 1 3 3600 20000102030405 (
+				19961211100908 2143 foo
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+srv01			SRV	0 0 0 .
+srv02			SRV	65535 65535 65535 old-slow-box.example.com.
+$TTL 301	; 5 minutes 1 second
+t			A	73.80.65.49
+$TTL 3600	; 1 hour
+txt01			TXT	"foo"
+txt02			TXT	"foo" "bar"
+txt03			TXT	"foo"
+txt04			TXT	"foo" "bar"
+txt05			TXT	"foo bar"
+txt06			TXT	"foo bar"
+txt07			TXT	"foo bar"
+txt08			TXT	"foo\010bar"
+txt09			TXT	"foo\010bar"
+txt10			TXT	"foo bar"
+txt11			TXT	"\"foo\""
+txt12			TXT	"\"foo\""
+$TTL 300	; 5 minutes
+u			TXT	"txt-not-in-nxt"
+$ORIGIN u.example.nil.
+a			A	73.80.65.49
+b			A	73.80.65.49
+$ORIGIN example.nil.
+$TTL 3600	; 1 hour
+wks01			WKS	10.0.0.1 6 ( 0 1 2 21 23 )
+wks02			WKS	10.0.0.1 17 ( 0 1 2 53 )
+wks03			WKS	10.0.0.2 6 ( 65535 )
+x2501			X25	"123456789"
+large			TXT	( 1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890
+				  1234567890 1234567890 1234567890 1234567890 )
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-md5-legacy.+157+22023.key b/bin/tests/system/tsig/ns1/legacy/Khmac-md5-legacy.+157+22023.key
new file mode 100644
index 0000000..37ee8ae
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-md5-legacy.+157+22023.key
@@ -0,0 +1 @@
+hmac-md5-legacy. IN KEY 0 3 157 B7HCXJs0XnSPzypG5oHuGw==
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-md5-legacy.+157+22023.private b/bin/tests/system/tsig/ns1/legacy/Khmac-md5-legacy.+157+22023.private
new file mode 100644
index 0000000..8b2f435
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-md5-legacy.+157+22023.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 157 (HMAC_MD5)
+Key: B7HCXJs0XnSPzypG5oHuGw==
+Bits: AAA=
+Created: 20230619071002
+Publish: 20230619071002
+Activate: 20230619071002
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-sha1-legacy.+161+50591.key b/bin/tests/system/tsig/ns1/legacy/Khmac-sha1-legacy.+161+50591.key
new file mode 100644
index 0000000..bd1445d
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-sha1-legacy.+161+50591.key
@@ -0,0 +1 @@
+hmac-sha1-legacy. IN KEY 0 3 161 TxGx9XBp6Pp5yYAOKXdERA==
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-sha1-legacy.+161+50591.private b/bin/tests/system/tsig/ns1/legacy/Khmac-sha1-legacy.+161+50591.private
new file mode 100644
index 0000000..fe3d7ec
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-sha1-legacy.+161+50591.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 161 (HMAC_SHA1)
+Key: TxGx9XBp6Pp5yYAOKXdERA==
+Bits: AAA=
+Created: 20230619071031
+Publish: 20230619071031
+Activate: 20230619071031
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-sha224-legacy.+162+50865.key b/bin/tests/system/tsig/ns1/legacy/Khmac-sha224-legacy.+162+50865.key
new file mode 100644
index 0000000..c849be9
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-sha224-legacy.+162+50865.key
@@ -0,0 +1 @@
+hmac-sha224-legacy. IN KEY 0 3 162 H8Hyw718rLqToQFRLAeFWQ==
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-sha224-legacy.+162+50865.private b/bin/tests/system/tsig/ns1/legacy/Khmac-sha224-legacy.+162+50865.private
new file mode 100644
index 0000000..a2f31ec
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-sha224-legacy.+162+50865.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 162 (HMAC_SHA224)
+Key: H8Hyw718rLqToQFRLAeFWQ==
+Bits: AAA=
+Created: 20230619071136
+Publish: 20230619071136
+Activate: 20230619071136
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-sha256-legacy.+163+38999.key b/bin/tests/system/tsig/ns1/legacy/Khmac-sha256-legacy.+163+38999.key
new file mode 100644
index 0000000..1bbb6f0
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-sha256-legacy.+163+38999.key
@@ -0,0 +1 @@
+hmac-sha256-legacy. IN KEY 0 3 163 fdT9hiPov4ThMEfRv1FNmA==
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-sha256-legacy.+163+38999.private b/bin/tests/system/tsig/ns1/legacy/Khmac-sha256-legacy.+163+38999.private
new file mode 100644
index 0000000..0b209c6
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-sha256-legacy.+163+38999.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 163 (HMAC_SHA256)
+Key: fdT9hiPov4ThMEfRv1FNmA==
+Bits: AAA=
+Created: 20230619071043
+Publish: 20230619071043
+Activate: 20230619071043
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-sha384-legacy.+164+56610.key b/bin/tests/system/tsig/ns1/legacy/Khmac-sha384-legacy.+164+56610.key
new file mode 100644
index 0000000..46fae39
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-sha384-legacy.+164+56610.key
@@ -0,0 +1 @@
+hmac-sha384-legacy. IN KEY 0 3 164 fnshFIjQTLFap6+j2JGBkA==
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-sha384-legacy.+164+56610.private b/bin/tests/system/tsig/ns1/legacy/Khmac-sha384-legacy.+164+56610.private
new file mode 100644
index 0000000..be5aa12
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-sha384-legacy.+164+56610.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 164 (HMAC_SHA384)
+Key: fnshFIjQTLFap6+j2JGBkA==
+Bits: AAA=
+Created: 20230619071109
+Publish: 20230619071109
+Activate: 20230619071109
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-sha512-legacy.+165+22767.key b/bin/tests/system/tsig/ns1/legacy/Khmac-sha512-legacy.+165+22767.key
new file mode 100644
index 0000000..0defc84
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-sha512-legacy.+165+22767.key
@@ -0,0 +1 @@
+hmac-sha512-legacy. IN KEY 0 3 165 BZwNLICp2tj4hi6gil41eg==
diff --git a/bin/tests/system/tsig/ns1/legacy/Khmac-sha512-legacy.+165+22767.private b/bin/tests/system/tsig/ns1/legacy/Khmac-sha512-legacy.+165+22767.private
new file mode 100644
index 0000000..21268e5
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/legacy/Khmac-sha512-legacy.+165+22767.private
@@ -0,0 +1,7 @@
+Private-key-format: v1.3
+Algorithm: 165 (HMAC_SHA512)
+Key: BZwNLICp2tj4hi6gil41eg==
+Bits: AAA=
+Created: 20230619071124
+Publish: 20230619071124
+Activate: 20230619071124
diff --git a/bin/tests/system/tsig/ns1/named.conf.in b/bin/tests/system/tsig/ns1/named.conf.in
new file mode 100644
index 0000000..de16ccf
--- /dev/null
+++ b/bin/tests/system/tsig/ns1/named.conf.in
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	notify no;
+};
+
+# md5 key appended by setup.sh at the end
+
+key "sha1" {
+	secret "FrSt77yPTFx6hTs4i2tKLB9LmE0=";
+	algorithm hmac-sha1;
+};
+
+key "sha224" {
+	secret "hXfwwwiag2QGqblopofai9NuW28q/1rH4CaTnA==";
+	algorithm hmac-sha224;
+};
+
+key "sha256" {
+	secret "R16NojROxtxH/xbDl//ehDsHm5DjWTQ2YXV+hGC2iBY=";
+	algorithm hmac-sha256;
+};
+
+key "sha384" {
+	secret "OaDdoAk2LAcLtYeUnsT7A9XHjsb6ZEma7OCvUpMraQIJX6HetGrlKmF7yglO1G2h";
+	algorithm hmac-sha384;
+};
+
+key "sha512" {
+	secret "jI/Pa4qRu96t76Pns5Z/Ndxbn3QCkwcxLOgt9vgvnJw5wqTRvNyk3FtD6yIMd1dWVlqZ+Y4fe6Uasc0ckctEmg==";
+	algorithm hmac-sha512;
+};
+
+# hmac-md5-legacy key appended by setup.sh at the end
+
+key "hmac-sha1-legacy" {
+       algorithm "hmac-sha1";
+       secret "TxGx9XBp6Pp5yYAOKXdERA==";
+};
+
+key "hmac-sha224-legacy" {
+       algorithm "hmac-sha224";
+       secret "H8Hyw718rLqToQFRLAeFWQ==";
+};
+
+key "hmac-sha256-legacy" {
+       algorithm "hmac-sha256";
+       secret "fdT9hiPov4ThMEfRv1FNmA==";
+};
+
+key "hmac-sha384-legacy" {
+       algorithm "hmac-sha384";
+       secret "fnshFIjQTLFap6+j2JGBkA==";
+};
+
+key "hmac-sha512-legacy" {
+       algorithm "hmac-sha512";
+       secret "BZwNLICp2tj4hi6gil41eg==";
+};
+
+# md5-trunc key appended by setup.sh at the end
+
+key "sha1-trunc" {
+	secret "FrSt77yPTFx6hTs4i2tKLB9LmE0=";
+	algorithm hmac-sha1-80;
+};
+
+key "sha224-trunc" {
+	secret "hXfwwwiag2QGqblopofai9NuW28q/1rH4CaTnA==";
+	algorithm hmac-sha224-112;
+};
+
+key "sha256-trunc" {
+	secret "R16NojROxtxH/xbDl//ehDsHm5DjWTQ2YXV+hGC2iBY=";
+	algorithm hmac-sha256-128;
+};
+
+key "sha384-trunc" {
+	secret "OaDdoAk2LAcLtYeUnsT7A9XHjsb6ZEma7OCvUpMraQIJX6HetGrlKmF7yglO1G2h";
+	algorithm hmac-sha384-192;
+};
+
+key "sha512-trunc" {
+	secret "jI/Pa4qRu96t76Pns5Z/Ndxbn3QCkwcxLOgt9vgvnJw5wqTRvNyk3FtD6yIMd1dWVlqZ+Y4fe6Uasc0ckctEmg==";
+	algorithm hmac-sha512-256;
+};
+
+zone "example.nil" {
+	type primary;
+	file "example.db";
+};
+
+server 10.53.0.2 {
+	keys sha256;
+};
+
+zone "bad-tsig" {
+	type forward;
+	forwarders { 10.53.0.2; };
+	forward only;
+};
diff --git a/bin/tests/system/tsig/setup.sh b/bin/tests/system/tsig/setup.sh
new file mode 100644
index 0000000..d8dbbe3
--- /dev/null
+++ b/bin/tests/system/tsig/setup.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+
+if $FEATURETEST --md5
+then
+	cat >> ns1/named.conf << EOF
+# Conditionally included when support for MD5 is available
+key "md5" {
+        secret "97rnFx24Tfna4mHPfgnerA==";
+        algorithm hmac-md5;
+};
+
+key "hmac-md5-legacy" {
+	algorithm "hmac-md5";
+	secret "B7HCXJs0XnSPzypG5oHuGw==";
+};
+
+key "md5-trunc" {
+        secret "97rnFx24Tfna4mHPfgnerA==";
+        algorithm hmac-md5-80;
+};
+EOF
+fi
diff --git a/bin/tests/system/tsig/tests.sh b/bin/tests/system/tsig/tests.sh
new file mode 100644
index 0000000..68c5b6d
--- /dev/null
+++ b/bin/tests/system/tsig/tests.sh
@@ -0,0 +1,322 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +nosea +nostat +noquest +nocomm +nocmd -p ${PORT}"
+
+#
+# Shared secrets.
+#
+md5="97rnFx24Tfna4mHPfgnerA=="
+sha1="FrSt77yPTFx6hTs4i2tKLB9LmE0="
+sha224="hXfwwwiag2QGqblopofai9NuW28q/1rH4CaTnA=="
+sha256="R16NojROxtxH/xbDl//ehDsHm5DjWTQ2YXV+hGC2iBY="
+sha384="OaDdoAk2LAcLtYeUnsT7A9XHjsb6ZEma7OCvUpMraQIJX6HetGrlKmF7yglO1G2h"
+sha512="jI/Pa4qRu96t76Pns5Z/Ndxbn3QCkwcxLOgt9vgvnJw5wqTRvNyk3FtD6yIMd1dWVlqZ+Y4fe6Uasc0ckctEmg=="
+
+status=0
+
+if $FEATURETEST --md5
+then
+	echo_i "fetching using hmac-md5 (old form)"
+	ret=0
+	$DIG $DIGOPTS example.nil. -y "md5:$md5" @10.53.0.1 soa > dig.out.md5.old || ret=1
+	grep -i "md5.*TSIG.*NOERROR" dig.out.md5.old > /dev/null || ret=1
+	if [ $ret -eq 1 ] ; then
+		echo_i "failed"; status=1
+	fi
+
+	echo_i "fetching using hmac-md5 (new form)"
+	ret=0
+	$DIG $DIGOPTS example.nil. -y "hmac-md5:md5:$md5" @10.53.0.1 soa > dig.out.md5.new || ret=1
+	grep -i "md5.*TSIG.*NOERROR" dig.out.md5.new > /dev/null || ret=1
+	if [ $ret -eq 1 ] ; then
+		echo_i "failed"; status=1
+	fi
+else
+	echo_i "skipping using hmac-md5"
+fi
+
+echo_i "fetching using hmac-sha1"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha1:sha1:$sha1" @10.53.0.1 soa > dig.out.sha1 || ret=1
+grep -i "sha1.*TSIG.*NOERROR" dig.out.sha1 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha224"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha224:sha224:$sha224" @10.53.0.1 soa > dig.out.sha224 || ret=1
+grep -i "sha224.*TSIG.*NOERROR" dig.out.sha224 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha256"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha256:sha256:$sha256" @10.53.0.1 soa > dig.out.sha256 || ret=1
+grep -i "sha256.*TSIG.*NOERROR" dig.out.sha256 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha384"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha384:sha384:$sha384" @10.53.0.1 soa > dig.out.sha384 || ret=1
+grep -i "sha384.*TSIG.*NOERROR" dig.out.sha384 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha512"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha512:sha512:$sha512" @10.53.0.1 soa > dig.out.sha512 || ret=1
+grep -i "sha512.*TSIG.*NOERROR" dig.out.sha512 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+#
+#
+#	Truncated TSIG
+#
+#
+if $FEATURETEST --md5
+then
+	echo_i "fetching using hmac-md5 (trunc)"
+	ret=0
+	$DIG $DIGOPTS example.nil. -y "hmac-md5-80:md5-trunc:$md5" @10.53.0.1 soa > dig.out.md5.trunc || ret=1
+	grep -i "md5-trunc.*TSIG.*NOERROR" dig.out.md5.trunc > /dev/null || ret=1
+	if [ $ret -eq 1 ] ; then
+		echo_i "failed"; status=1
+	fi
+else
+	echo_i "skipping using hmac-md5 (trunc)"
+fi
+
+echo_i "fetching using hmac-sha1 (trunc)"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha1-80:sha1-trunc:$sha1" @10.53.0.1 soa > dig.out.sha1.trunc || ret=1
+grep -i "sha1.*TSIG.*NOERROR" dig.out.sha1.trunc > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha224 (trunc)"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha224-112:sha224-trunc:$sha224" @10.53.0.1 soa > dig.out.sha224.trunc || ret=1
+grep -i "sha224-trunc.*TSIG.*NOERROR" dig.out.sha224.trunc > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha256 (trunc)"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha256-128:sha256-trunc:$sha256" @10.53.0.1 soa > dig.out.sha256.trunc || ret=1
+grep -i "sha256-trunc.*TSIG.*NOERROR" dig.out.sha256.trunc > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha384 (trunc)"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha384-192:sha384-trunc:$sha384" @10.53.0.1 soa > dig.out.sha384.trunc || ret=1
+grep -i "sha384-trunc.*TSIG.*NOERROR" dig.out.sha384.trunc > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha512-256 (trunc)"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha512-256:sha512-trunc:$sha512" @10.53.0.1 soa > dig.out.sha512.trunc || ret=1
+grep -i "sha512-trunc.*TSIG.*NOERROR" dig.out.sha512.trunc > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+
+#
+#
+#	Check for bad truncation.
+#
+#
+if $FEATURETEST --md5
+then
+	echo_i "fetching using hmac-md5-80 (BADTRUNC)"
+	ret=0
+	$DIG $DIGOPTS example.nil. -y "hmac-md5-80:md5:$md5" @10.53.0.1 soa > dig.out.md5-80 || ret=1
+	grep -i "md5.*TSIG.*BADTRUNC" dig.out.md5-80 > /dev/null || ret=1
+	if [ $ret -eq 1 ] ; then
+		echo_i "failed"; status=1
+	fi
+else
+	echo_i "skipping using hmac-md5-80 (BADTRUNC)"
+fi
+
+echo_i "fetching using hmac-sha1-80 (BADTRUNC)"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha1-80:sha1:$sha1" @10.53.0.1 soa > dig.out.sha1-80 || ret=1
+grep -i "sha1.*TSIG.*BADTRUNC" dig.out.sha1-80 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha224-112 (BADTRUNC)"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha224-112:sha224:$sha224" @10.53.0.1 soa > dig.out.sha224-112 || ret=1
+grep -i "sha224.*TSIG.*BADTRUNC" dig.out.sha224-112 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha256-128 (BADTRUNC)"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha256-128:sha256:$sha256" @10.53.0.1 soa > dig.out.sha256-128 || ret=1
+grep -i "sha256.*TSIG.*BADTRUNC" dig.out.sha256-128 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha384-192 (BADTRUNC)"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha384-192:sha384:$sha384" @10.53.0.1 soa > dig.out.sha384-192 || ret=1
+grep -i "sha384.*TSIG.*BADTRUNC" dig.out.sha384-192 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha512-256 (BADTRUNC)"
+ret=0
+$DIG $DIGOPTS example.nil. -y "hmac-sha512-256:sha512:$sha512" @10.53.0.1 soa > dig.out.sha512-256 || ret=1
+grep -i "sha512.*TSIG.*BADTRUNC" dig.out.sha512-256 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "attempting fetch with bad tsig algorithm"
+ret=0
+$DIG $DIGOPTS example.nil. -y "badalgo:invalid:$sha512" @10.53.0.1 soa > dig.out.badalgo 2>&1 || ret=1
+grep -i "Couldn't create key invalid: algorithm is unsupported" dig.out.badalgo > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "checking both OPT and TSIG records are returned when TC=1"
+ret=0
+$DIG -p ${PORT} +ignore +bufsize=512 large.example.nil -y "hmac-sha1:sha1:$sha1" @10.53.0.1 txt > dig.out.large 2>&1 || ret=1
+grep "flags:.* tc[ ;]" dig.out.large > /dev/null || ret=1
+grep "status: NOERROR" dig.out.large > /dev/null || ret=1
+grep "EDNS:" dig.out.large > /dev/null || ret=1
+grep -i "sha1.*TSIG.*NOERROR" dig.out.sha1 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "check that dnssec-keygen won't generate TSIG keys"
+ret=0
+$KEYGEN -a hmac-sha256 -b 128 -n host example.net > keygen.out3 2>&1 && ret=1
+grep "unknown algorithm" keygen.out3 > /dev/null || ret=1
+
+echo_i "check that a 'BADTIME' response with 'QR=0' is handled as a request"
+ret=0
+$PERL ../packet.pl -a 10.53.0.1 -p ${PORT} -t tcp < badtime > /dev/null || ret=1
+$DIG -p ${PORT} @10.53.0.1 version.bind txt ch > dig.out.verify || ret=1
+grep "status: NOERROR" dig.out.verify > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=1
+fi
+
+if "$PERL" -e 'use Net::DNS; use Net::DNS::Packet;' > /dev/null 2>&1
+then
+  echo_i "check that TSIG in the wrong place returns FORMERR"
+  ret=0
+  $PERL ../packet.pl -a 10.53.0.1 -p ${PORT} -t udp -d < badlocation > packet.out
+  grep "rcode  = FORMERR" packet.out > /dev/null || ret=1
+  if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=1
+  fi
+fi
+
+echo_i "check that a malformed truncated response to a TSIG query is handled"
+ret=0
+$DIG -p $PORT @10.53.0.1 bad-tsig > dig.out.bad-tsig || ret=1
+grep "status: SERVFAIL" dig.out.bad-tsig > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+    echo_i "failed"; status=1
+fi
+
+if $FEATURETEST --md5
+then
+	echo_i "fetching using hmac-md5 (legacy)"
+	ret=0
+	$DIG $DIGOPTS example.nil. -k ns1/legacy/Khmac-md5-legacy.+*.key @10.53.0.1 soa > dig.out.md5.legacy 2>&1 || ret=1
+	grep -i "md5.*TSIG.*NOERROR" dig.out.md5.legacy > /dev/null || ret=1
+	grep "Use of K\* file pairs for HMAC is deprecated" dig.out.md5.legacy > /dev/null || ret=1
+	if [ $ret -eq 1 ] ; then
+		echo_i "failed"; status=1
+	fi
+else
+	echo_i "skipping using hmac-md5"
+fi
+
+echo_i "fetching using hmac-sha1 (legacy)"
+ret=0
+$DIG $DIGOPTS example.nil. -k ns1/legacy/Khmac-sha1-legacy.+*.key @10.53.0.1 soa > dig.out.sha1.legacy 2>&1 || ret=1
+grep -i "sha1.*TSIG.*NOERROR" dig.out.sha1.legacy > /dev/null || ret=1
+grep "Use of K\* file pairs for HMAC is deprecated" dig.out.sha1.legacy > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha224 (legacy)"
+ret=0
+$DIG $DIGOPTS example.nil. -k ns1/legacy/Khmac-sha224-legacy.+*.key @10.53.0.1 soa > dig.out.sha224 2>&1 || ret=1
+grep -i "sha224.*TSIG.*NOERROR" dig.out.sha224 > /dev/null || ret=1
+grep "Use of K\* file pairs for HMAC is deprecated" dig.out.sha224 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha256 (legacy)"
+ret=0
+$DIG $DIGOPTS example.nil. -k ns1/legacy/Khmac-sha256-legacy.*.key @10.53.0.1 soa > dig.out.sha256 2>&1 || ret=1
+grep -i "sha256.*TSIG.*NOERROR" dig.out.sha256 > /dev/null || ret=1
+grep "Use of K\* file pairs for HMAC is deprecated" dig.out.sha256 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha384 (legacy)"
+ret=0
+$DIG $DIGOPTS example.nil. -k ns1/legacy/Khmac-sha384-legacy.*.key @10.53.0.1 soa > dig.out.sha384 2>&1 || ret=1
+grep -i "sha384.*TSIG.*NOERROR" dig.out.sha384 > /dev/null || ret=1
+grep "Use of K\* file pairs for HMAC is deprecated" dig.out.sha384 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "fetching using hmac-sha512 (legacy)"
+ret=0
+$DIG $DIGOPTS example.nil. -k ns1/legacy/Khmac-sha512-legacy.*.key @10.53.0.1 soa > dig.out.sha512 2>&1 || ret=1
+grep "Use of K\* file pairs for HMAC is deprecated" dig.out.sha512 > /dev/null || ret=1
+grep -i "sha512.*TSIG.*NOERROR" dig.out.sha512 > /dev/null || ret=1
+if [ $ret -eq 1 ] ; then
+	echo_i "failed"; status=1
+fi
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/tsig/tests_sh_tsig.py b/bin/tests/system/tsig/tests_sh_tsig.py
new file mode 100644
index 0000000..b421852
--- /dev/null
+++ b/bin/tests/system/tsig/tests_sh_tsig.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_tsig(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/tsiggss/authsock.pl b/bin/tests/system/tsiggss/authsock.pl
new file mode 100644
index 0000000..4c76bf8
--- /dev/null
+++ b/bin/tests/system/tsiggss/authsock.pl
@@ -0,0 +1,91 @@
+#!/usr/bin/env perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# test the update-policy external protocol
+
+require 5.6.0;
+
+use IO::Socket::UNIX;
+use Getopt::Long;
+
+my $path;
+my $typeallowed = "A";
+my $pidfile = "authsock.pid";
+my $timeout = 0;
+
+GetOptions("path=s" => \$path,
+	   "type=s" => \$typeallowed,
+	   "pidfile=s" => \$pidfile,
+	   "timeout=i" => \$timeout);
+
+if (!defined($path)) {
+	print("Usage: authsock.pl --path=<sockpath> --type=type --pidfile=pidfile\n");
+	exit(1);
+}
+
+unlink($path);
+my $server = IO::Socket::UNIX->new(Local => $path, Type => SOCK_STREAM, Listen => 8) or
+    die "unable to create socket $path";
+chmod 0777, $path;
+
+# setup our pidfile
+open(my $pid,">",$pidfile)
+    or die "unable to open pidfile $pidfile";
+print $pid "$$\n";
+close($pid);
+
+if ($timeout != 0) {
+    # die after the given timeout
+    alarm($timeout);
+}
+
+while (my $client = $server->accept()) {
+	$client->recv(my $buf, 8, 0);
+	my ($version, $req_len) = unpack('N N', $buf);
+
+	if ($version != 1 || $req_len < 17) {
+		printf("Badly formatted request\n");
+		$client->send(pack('N', 2));
+		next;
+	}
+
+	$client->recv(my $buf, $req_len - 8, 0);
+
+	my ($signer,
+	    $name,
+	    $addr,
+	    $type,
+	    $key,
+	    $key_data) = unpack('Z* Z* Z* Z* Z* N/a', $buf);
+
+	if ($req_len != length($buf)+8) {
+		printf("Length mismatch %u %u\n", $req_len, length($buf)+8);
+		$client->send(pack('N', 2));
+		next;
+	}
+
+	printf("version=%u signer=%s name=%s addr=%s type=%s key=%s key_data_len=%u\n",
+	       $version, $signer, $name, $addr, $type, $key, length($key_data));
+
+	my $result;
+	if ($typeallowed eq $type) {
+		$result = 1;
+		printf("allowed type %s == %s\n", $type, $typeallowed);
+	} else {
+		printf("disallowed type %s != %s\n", $type, $typeallowed);
+		$result = 0;
+	}
+
+	$reply = pack('N', $result);
+	$client->send($reply);
+}
diff --git a/bin/tests/system/tsiggss/clean.sh b/bin/tests/system/tsiggss/clean.sh
new file mode 100644
index 0000000..0ace209
--- /dev/null
+++ b/bin/tests/system/tsiggss/clean.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after tsiggss tests.
+#
+
+rm -f ns1/*.jnl ns1/update.txt ns1/auth.sock
+rm -f ns1/*.db ns1/K*.key ns1/K*.private
+rm -f ns1/_default.tsigkeys
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run
+rm -f authsock.pid
+rm -f ns1/core
+rm -f nsupdate.out*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/tsiggss/ns1/administrator.ccache b/bin/tests/system/tsiggss/ns1/administrator.ccache
new file mode 100644
index 0000000..e6c2e74
--- /dev/null
+++ b/bin/tests/system/tsiggss/ns1/administrator.ccache
diff --git a/bin/tests/system/tsiggss/ns1/dns.keytab b/bin/tests/system/tsiggss/ns1/dns.keytab
new file mode 100644
index 0000000..dcb863b
--- /dev/null
+++ b/bin/tests/system/tsiggss/ns1/dns.keytab
diff --git a/bin/tests/system/tsiggss/ns1/example.nil.db.in b/bin/tests/system/tsiggss/ns1/example.nil.db.in
new file mode 100644
index 0000000..ffa7e58
--- /dev/null
+++ b/bin/tests/system/tsiggss/ns1/example.nil.db.in
@@ -0,0 +1,62 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+; -*- zone -*-
+; this was generated by a Samba4 provision, and is typical
+; of a AD DNS zone
+$ORIGIN example.nil.
+$TTL 1W
+@               IN SOA  blu   hostmaster (
+                                2010113027   ; serial
+                                2D              ; refresh
+                                4H              ; retry
+                                6W              ; expiry
+                                1W )            ; minimum
+			IN NS	blu
+
+            IN A    10.53.0.1
+;
+
+blu        IN A    10.53.0.1
+gc._msdcs               IN A    10.53.0.1
+
+fb33eb58-5d58-4100-a114-256e0a97ffc1._msdcs	IN CNAME	blu
+;
+; global catalog servers
+_gc._tcp		IN SRV 0 100 3268	blu
+_gc._tcp.Default-First-Site-Name._sites	IN SRV 0 100 3268	blu
+_ldap._tcp.gc._msdcs	IN SRV 0 100 3268	blu
+_ldap._tcp.Default-First-Site-Name._sites.gc._msdcs	IN SRV 0 100 3268 blu
+;
+; ldap servers
+_ldap._tcp		IN SRV 0 100 389	blu
+_ldap._tcp.dc._msdcs	IN SRV 0 100 389	blu
+_ldap._tcp.pdc._msdcs	IN SRV 0 100 389	blu
+_ldap._tcp.d86745b4-f3e0-4af3-be03-2130d1534be8.domains._msdcs		IN SRV 0 100 389 blu
+_ldap._tcp.Default-First-Site-Name._sites		IN SRV 0 100 389 blu
+_ldap._tcp.Default-First-Site-Name._sites.dc._msdcs	IN SRV 0 100 389 blu
+;
+; krb5 servers
+_kerberos._tcp		IN SRV 0 100 88		blu
+_kerberos._tcp.dc._msdcs	IN SRV 0 100 88	blu
+_kerberos._tcp.Default-First-Site-Name._sites	IN SRV 0 100 88	blu
+_kerberos._tcp.Default-First-Site-Name._sites.dc._msdcs	IN SRV 0 100 88 blu
+_kerberos._udp		IN SRV 0 100 88		blu
+; MIT kpasswd likes to lookup this name on password change
+_kerberos-master._tcp		IN SRV 0 100 88		blu
+_kerberos-master._udp		IN SRV 0 100 88		blu
+;
+; kpasswd
+_kpasswd._tcp		IN SRV 0 100 464	blu
+_kpasswd._udp		IN SRV 0 100 464 	blu
+;
+; heimdal 'find realm for host' hack
+_kerberos		IN TXT	EXAMPLE.NIL
diff --git a/bin/tests/system/tsiggss/ns1/named.conf.in b/bin/tests/system/tsiggss/ns1/named.conf.in
new file mode 100644
index 0000000..7b34c32
--- /dev/null
+++ b/bin/tests/system/tsiggss/ns1/named.conf.in
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	session-keyfile "session.key";
+	listen-on { 10.53.0.1; 127.0.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	tkey-gssapi-keytab "dns.keytab";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "example.nil." IN {
+	type primary;
+	file "example.nil.db";
+
+	update-policy {
+		grant Administrator@EXAMPLE.NIL wildcard * A AAAA SRV CNAME;
+		grant testdenied@EXAMPLE.NIL wildcard * TXT;
+		grant "local:auth.sock" external * CNAME;
+	};
+
+	/* we need to use check-names ignore so _msdcs A records can be created */
+	check-names ignore;
+};
diff --git a/bin/tests/system/tsiggss/ns1/testdenied.ccache b/bin/tests/system/tsiggss/ns1/testdenied.ccache
new file mode 100644
index 0000000..070e85b
--- /dev/null
+++ b/bin/tests/system/tsiggss/ns1/testdenied.ccache
diff --git a/bin/tests/system/tsiggss/prereq.sh b/bin/tests/system/tsiggss/prereq.sh
new file mode 100644
index 0000000..0f8e2d6
--- /dev/null
+++ b/bin/tests/system/tsiggss/prereq.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+# enable the tsiggss test only if gssapi was enabled
+$FEATURETEST --gssapi ||  {
+        echo_i "gssapi and krb5 not supported - skipping tsiggss test"
+        exit 255
+}
+
+exit 0
diff --git a/bin/tests/system/tsiggss/setup.sh b/bin/tests/system/tsiggss/setup.sh
new file mode 100644
index 0000000..37b80fd
--- /dev/null
+++ b/bin/tests/system/tsiggss/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+
+key=$($KEYGEN -Cq -K ns1 -a $DEFAULT_ALGORITHM -b $DEFAULT_BITS -n HOST -T KEY key.example.nil.)
+cat ns1/example.nil.db.in ns1/${key}.key > ns1/example.nil.db
diff --git a/bin/tests/system/tsiggss/tests.sh b/bin/tests/system/tsiggss/tests.sh
new file mode 100644
index 0000000..97cc7bb
--- /dev/null
+++ b/bin/tests/system/tsiggss/tests.sh
@@ -0,0 +1,178 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# tests for TSIG-GSS updates
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=1
+
+DIGOPTS="@10.53.0.1 -p ${PORT}"
+
+test_update () {
+    num="$1"
+    host="$2"
+    type="$3"
+    cmd="$4"
+    digout="$5"
+
+    cat <<EOF > ns1/update.txt
+server 10.53.0.1 ${PORT}
+update add $host $cmd
+send
+answer
+EOF
+    echo_i "testing update for $host $type $cmd"
+    $NSUPDATE -g -d ns1/update.txt > nsupdate.out${num} 2>&1 || {
+	echo_i "update failed for $host $type $cmd"
+	sed "s/^/I:/" nsupdate.out${num}
+	return 1
+    }
+
+    # Verify that TKEY response is signed.
+    tkeyout=$(awk '/recvmsg reply from GSS-TSIG query/,/Sending update to/' nsupdate.out${num})
+    pattern="recvmsg reply from GSS-TSIG query .* opcode: QUERY, status: NOERROR, id: .* flags: qr; QUESTION: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; QUESTION SECTION: ;.* ANY TKEY ;; ANSWER SECTION: .* 0 ANY TKEY gss-tsig\. .* ;; TSIG PSEUDOSECTION: .* 0 ANY TSIG gss-tsig\. .* NOERROR 0"
+    echo $tkeyout | grep "$pattern" > /dev/null || {
+	echo_i "bad tkey response (not tsig signed)"
+	return 1
+    }
+
+    # Weak verification that TKEY response is signed.
+    grep -q "flags: qr; QUESTION: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1" nsupdate.out${num} || {
+	echo_i "bad tkey response (not tsig signed)"
+	return 1
+    }
+
+    out=$($DIG $DIGOPTS -t $type -q $host | grep -E "^${host}")
+    lines=$(echo "$out" | grep "$digout" | wc -l)
+    [ $lines -eq 1 ] || {
+	echo_i "dig output incorrect for $host $type $cmd: $out"
+	return 1
+    }
+    return 0
+}
+
+
+# Testing updates with good credentials.
+KRB5CCNAME="FILE:"$(pwd)/ns1/administrator.ccache
+export KRB5CCNAME
+
+echo_i "testing updates to testdc1 as administrator ($n)"
+ret=0
+test_update $n testdc1.example.nil. A "86400 A 10.53.0.10" "10.53.0.10" || ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "testing updates to testdc2 as administrator ($n)"
+ret=0
+test_update $n testdc2.example.nil. A "86400 A 10.53.0.11" "10.53.0.11" || ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "testing updates to denied as administrator ($n)"
+ret=0
+test_update $n denied.example.nil. TXT "86400 TXT helloworld" "helloworld" > /dev/null && ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+
+# Testing denied updates.
+KRB5CCNAME="FILE:"$(pwd)/ns1/testdenied.ccache
+export KRB5CCNAME
+
+echo_i "testing updates to denied (A) as a user ($n)"
+ret=0
+test_update $n testdenied.example.nil. A "86400 A 10.53.0.12" "10.53.0.12" > /dev/null && ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "testing updates to denied (TXT) as a user ($n)"
+ret=0
+test_update $n testdenied.example.nil. TXT "86400 TXT helloworld" "helloworld" || ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "testing external update policy (CNAME) ($n)"
+ret=0
+test_update $n testcname.example.nil. CNAME "86400 CNAME testdenied.example.nil" "testdenied" > /dev/null && ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "testing external update policy (CNAME) with auth sock ($n)"
+ret=0
+$PERL ./authsock.pl --type=CNAME --path=ns1/auth.sock --pidfile=authsock.pid --timeout=120 > /dev/null 2>&1 &
+sleep 1
+test_update $n testcname.example.nil. CNAME "86400 CNAME testdenied.example.nil" "testdenied" || ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "testing external update policy (A) ($n)"
+ret=0
+test_update $n testcname.example.nil. A "86400 A 10.53.0.13" "10.53.0.13" > /dev/null && ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "testing external policy with SIG(0) key ($n)"
+ret=0
+$NSUPDATE -k ns1/Kkey.example.nil.*.private <<END > /dev/null 2>&1 || ret=1
+server 10.53.0.1 ${PORT}
+zone example.nil
+update add fred.example.nil 120 cname foo.bar.
+send
+END
+output=$($DIG $DIGOPTS +short cname fred.example.nil.)
+[ -n "$output" ] || ret=1
+[ $ret -eq 0 ] || echo_i "failed"
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "ensure too long realm name is fatal in non-interactive mode ($n)"
+ret=0
+$NSUPDATE <<END > nsupdate.out${n} 2>&1 && ret=1
+    realm namenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamename
+END
+grep "realm is too long" nsupdate.out${n} > /dev/null || ret=1
+grep "syntax error" nsupdate.out${n} > /dev/null || ret=1
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "ensure too long realm name is not fatal in interactive mode ($n)"
+ret=0
+$NSUPDATE -i <<END > nsupdate.out${n} 2>&1 || ret=1
+    realm namenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamenamename
+END
+grep "realm is too long" nsupdate.out${n} > /dev/null || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+n=$((n+1))
+if [ "$ret" -ne 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+[ $status -eq 0 ] && echo_i "tsiggss tests all OK"
+
+kill $(cat authsock.pid)
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/tsiggss/tests_isc_spnego_flaws.py b/bin/tests/system/tsiggss/tests_isc_spnego_flaws.py
new file mode 100755
index 0000000..6340b5a
--- /dev/null
+++ b/bin/tests/system/tsiggss/tests_isc_spnego_flaws.py
@@ -0,0 +1,219 @@
+#!/usr/bin/python
+############################################################################
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+############################################################################
+
+"""
+A tool for reproducing ISC SPNEGO vulnerabilities
+"""
+
+import argparse
+import datetime
+import struct
+import time
+
+import pytest
+
+pytest.importorskip("dns")
+import dns.message
+import dns.name
+import dns.query
+import dns.rdata
+import dns.rdataclass
+import dns.rdatatype
+import dns.rrset
+
+
+class CraftedTKEYQuery:
+    # pylint: disable=too-few-public-methods
+
+    """
+    A class for preparing crafted TKEY queries
+    """
+
+    def __init__(self, opts: argparse.Namespace) -> None:
+        # Prepare crafted key data
+        tkey_data = ASN1Encoder(opts).get_tkey_data()
+        # Prepare TKEY RDATA containing crafted key data
+        rdata = dns.rdata.GenericRdata(
+            dns.rdataclass.ANY, dns.rdatatype.TKEY, self._get_tkey_rdata(tkey_data)
+        )
+        # Prepare TKEY RRset with crafted RDATA (for the ADDITIONAL section)
+        rrset = dns.rrset.from_rdata(dns.name.root, dns.rdatatype.TKEY, rdata)
+
+        # Prepare complete TKEY query to send
+        self.msg = dns.message.make_query(
+            dns.name.root, dns.rdatatype.TKEY, dns.rdataclass.ANY
+        )
+        self.msg.additional.append(rrset)
+
+    def _get_tkey_rdata(self, tkey_data: bytes) -> bytes:
+        """
+        Return the RDATA to be used for the TKEY RRset sent in the ADDITIONAL
+        section
+        """
+        tkey_rdata = dns.name.from_text("gss-tsig.").to_wire()  # domain
+        if not tkey_rdata:
+            return b""
+        tkey_rdata += struct.pack(">I", int(time.time()) - 3600)  # inception
+        tkey_rdata += struct.pack(">I", int(time.time()) + 86400)  # expiration
+        tkey_rdata += struct.pack(">H", 3)  # mode
+        tkey_rdata += struct.pack(">H", 0)  # error
+        tkey_rdata += self._with_len(tkey_data)  # key
+        tkey_rdata += struct.pack(">H", 0)  # other size
+        return tkey_rdata
+
+    def _with_len(self, data: bytes) -> bytes:
+        """
+        Return 'data' with its length prepended as a 16-bit big-endian integer
+        """
+        return struct.pack(">H", len(data)) + data
+
+
+class ASN1Encoder:
+    # pylint: disable=too-few-public-methods
+
+    """
+    A custom ASN1 encoder which allows preparing malformed GSSAPI tokens
+    """
+
+    SPNEGO_OID = b"\x06\x06\x2b\x06\x01\x05\x05\x02"
+
+    def __init__(self, opts: argparse.Namespace) -> None:
+        self._real_oid_length = opts.real_oid_length
+        self._extra_oid_length = opts.extra_oid_length
+
+    # The TKEY RR being sent contains an encoded negTokenInit SPNEGO message.
+    # RFC 4178 section 4.2 specifies how such a message is constructed.
+
+    def get_tkey_data(self) -> bytes:
+        """
+        Return the key data field of the TKEY RR to be sent
+        """
+        return self._asn1(
+            data_id=b"\x60", data=self.SPNEGO_OID + self._get_negtokeninit()
+        )
+
+    def _get_negtokeninit(self) -> bytes:
+        """
+        Return the ASN.1 DER-encoded form of the negTokenInit message to send
+        """
+        return self._asn1(
+            data_id=b"\xa0",
+            data=self._asn1(
+                data_id=b"\x30",
+                data=self._get_mechtypelist(),
+                extra_length=self._extra_oid_length,
+            ),
+            extra_length=self._extra_oid_length,
+        )
+
+    def _get_mechtypelist(self) -> bytes:
+        """
+        Return the ASN.1 DER-encoded form of the MechTypeList to send
+        """
+        return self._asn1(
+            data_id=b"\xa0",
+            data=self._asn1(
+                data_id=b"\x30",
+                data=self._get_mechtype(),
+                extra_length=self._extra_oid_length,
+            ),
+            extra_length=self._extra_oid_length,
+        )
+
+    def _get_mechtype(self) -> bytes:
+        """
+        Return the ASN.1 DER-encoded form of a bogus security mechanism OID
+        which consists of 'self._real_oid_length' 0x01 bytes
+        """
+        return self._asn1(
+            data_id=b"\x06",
+            data=b"\x01" * self._real_oid_length,
+            extra_length=self._extra_oid_length,
+        )
+
+    def _asn1(self, data_id: bytes, data: bytes, extra_length: int = 0) -> bytes:
+        """
+        Return the ASN.1 DER-encoded form of 'data' to be included in GSSAPI
+        key data, designated with 'data_id' as the content identifier.  Setting
+        'extra_length' to a positive integer allows data length indicated in
+        the ASN.1 DER representation of 'data' to be increased beyond its
+        actual size.
+        """
+        data_len = struct.pack(">I", len(data) + extra_length)
+        return data_id + b"\x84" + data_len + data
+
+
+def parse_options() -> argparse.Namespace:
+    """
+    Parse command line options
+    """
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--server-ip", required=True)
+    parser.add_argument("--server-port", type=int, default=53)
+    parser.add_argument("--real-oid-length", type=int, default=1)
+    parser.add_argument("--extra-oid-length", type=int, default=0)
+
+    return parser.parse_args()
+
+
+def send_crafted_tkey_query(opts: argparse.Namespace) -> None:
+    """
+    Script entry point
+    """
+
+    query = CraftedTKEYQuery(opts).msg
+    print("# > " + str(datetime.datetime.now()))
+    print(query.to_text())
+    print()
+
+    response = dns.query.tcp(query, opts.server_ip, timeout=2, port=opts.server_port)
+    print("# < " + str(datetime.datetime.now()))
+    print(response.to_text())
+    print()
+
+
+def test_cve_2020_8625(named_port):
+    """
+    Reproducer for CVE-2020-8625.  When run for an affected BIND 9 version,
+    send_crafted_tkey_query() will raise a network-related exception due to
+    named (ns1) becoming unavailable after crashing.
+    """
+    for i in range(0, 50):
+        opts = argparse.Namespace(
+            server_ip="10.53.0.1",
+            server_port=named_port,
+            real_oid_length=i,
+            extra_oid_length=0,
+        )
+        send_crafted_tkey_query(opts)
+
+
+def test_cve_2021_25216(named_port):
+    """
+    Reproducer for CVE-2021-25216.  When run for an affected BIND 9 version,
+    send_crafted_tkey_query() will raise a network-related exception due to
+    named (ns1) becoming unavailable after crashing.
+    """
+    opts = argparse.Namespace(
+        server_ip="10.53.0.1",
+        server_port=named_port,
+        real_oid_length=1,
+        extra_oid_length=1073741824,
+    )
+    send_crafted_tkey_query(opts)
+
+
+if __name__ == "__main__":
+    cli_opts = parse_options()
+    send_crafted_tkey_query(cli_opts)
diff --git a/bin/tests/system/tsiggss/tests_sh_tsiggss.py b/bin/tests/system/tsiggss/tests_sh_tsiggss.py
new file mode 100644
index 0000000..926a9a9
--- /dev/null
+++ b/bin/tests/system/tsiggss/tests_sh_tsiggss.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_tsiggss(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/ttl/clean.sh b/bin/tests/system/ttl/clean.sh
new file mode 100644
index 0000000..3bb41d9
--- /dev/null
+++ b/bin/tests/system/ttl/clean.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ./*/named.conf
+rm -f ./*/named.memstats
+rm -f ./*/named.run
+rm -f ./ns*/managed-keys.bind*
diff --git a/bin/tests/system/ttl/ns1/max-example.db b/bin/tests/system/ttl/ns1/max-example.db
new file mode 100644
index 0000000..aeaafc7
--- /dev/null
+++ b/bin/tests/system/ttl/ns1/max-example.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+max-example.	1209600	IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				1209600    ; minimum (2 weeks)
+				)
+max-example.	1209600	IN NS	ns.max-example.
+ns.max-example.	1209600	IN A	10.53.0.1
diff --git a/bin/tests/system/ttl/ns1/min-example.db b/bin/tests/system/ttl/ns1/min-example.db
new file mode 100644
index 0000000..87d6e7e
--- /dev/null
+++ b/bin/tests/system/ttl/ns1/min-example.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+min-example.	0	IN SOA	ns root (
+				2000082401 ; serial
+				1800       ; refresh (30 minutes)
+				1800       ; retry (30 minutes)
+				1814400    ; expire (3 weeks)
+				0          ; minimum (0 seconds)
+				)
+min-example.	0	IN NS	ns.min-example.
+ns.min-example.	0	IN A	10.53.0.1
diff --git a/bin/tests/system/ttl/ns1/named.conf.in b/bin/tests/system/ttl/ns1/named.conf.in
new file mode 100644
index 0000000..51eee0c
--- /dev/null
+++ b/bin/tests/system/ttl/ns1/named.conf.in
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	check-integrity no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "min-example" {
+	type primary;
+	file "min-example.db";
+};
+
+zone "max-example" {
+	type primary;
+	file "max-example.db";
+};
diff --git a/bin/tests/system/ttl/ns2/hints.db b/bin/tests/system/ttl/ns2/hints.db
new file mode 100644
index 0000000..c9264bf
--- /dev/null
+++ b/bin/tests/system/ttl/ns2/hints.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+. 60 IN NS ns.nil.
+ns.nil. 60 IN A 10.53.0.1
diff --git a/bin/tests/system/ttl/ns2/named.conf.in b/bin/tests/system/ttl/ns2/named.conf.in
new file mode 100644
index 0000000..1716807
--- /dev/null
+++ b/bin/tests/system/ttl/ns2/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	directory ".";
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	servfail-ttl 0;
+	max-recursion-depth 12;
+	recursion yes;
+	dnssec-validation no;
+	min-cache-ttl 60;
+	min-ncache-ttl 30;
+	max-cache-ttl 120;
+	max-ncache-ttl 60;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." { type hint; file "hints.db"; };
diff --git a/bin/tests/system/ttl/setup.sh b/bin/tests/system/ttl/setup.sh
new file mode 100644
index 0000000..6929ec5
--- /dev/null
+++ b/bin/tests/system/ttl/setup.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
diff --git a/bin/tests/system/ttl/tests_cache_ttl.py b/bin/tests/system/ttl/tests_cache_ttl.py
new file mode 100644
index 0000000..9025283
--- /dev/null
+++ b/bin/tests/system/ttl/tests_cache_ttl.py
@@ -0,0 +1,32 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+import pytest
+
+pytest.importorskip("dns")
+import dns.message
+import dns.query
+
+
+@pytest.mark.parametrize(
+    "qname,rdtype,expected_ttl",
+    [
+        ("min-example.", "SOA", 60),
+        ("min-example.", "MX", 30),
+        ("max-example.", "SOA", 120),
+        ("max-example.", "MX", 60),
+    ],
+)
+def test_cache_ttl(qname, rdtype, expected_ttl, named_port):
+    msg = dns.message.make_query(qname, rdtype)
+    response = dns.query.udp(msg, "10.53.0.2", timeout=10, port=named_port)
+    for rr in response.answer + response.authority:
+        assert rr.ttl == expected_ttl
diff --git a/bin/tests/system/unknown/clean.sh b/bin/tests/system/unknown/clean.sh
new file mode 100644
index 0000000..1d73edd
--- /dev/null
+++ b/bin/tests/system/unknown/clean.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f dig.out* check.out
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run
+rm -f */*.bk
+rm -f */*.bk.*
+rm -f ns3/Kexample.*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
diff --git a/bin/tests/system/unknown/large.out b/bin/tests/system/unknown/large.out
new file mode 100644
index 0000000..812bde5
--- /dev/null
+++ b/bin/tests/system/unknown/large.out
@@ -0,0 +1 @@
+\# 48000 45841674994E4F5E4BA43AADA754D631DFB7E12155E7F10C551032B3 E56ED5BA5136C15CDA201E7E5E54FB60A99388B61A565C1CF74CD8AA E1AEE7FBEB54CEBEE065CF2B1B317F67277AE733183C668BA81A7EFE C322D36FB5CC6293AD7F7AE3544A7C64D404C4EEB1B889E9780A213B D548A018BE2E1B6A3B8840D714DDB8C0A66BEAA4C2A1471D216AD0EB 8D2C884960D30FD3FAD058C47EACE42AAB0F0D40A690CA3BAF9616B7 373B889788E891757AE0EEACCD291D87D05DAED8631D1EBF9202F816 59754CA11221E902A69C7BF0039310EDF5305ACE5404DDD02163BE0A 22334879A27BFA7702E13D06F15887261A12ABFD0C01966FA67F97ED 38C521DBCFF8A2AA8DAF53F1EAA7991B6767DA0E68B2EBB38BEB8F1A ADAA30C1185870DAD0091E7AF0BBED453CE081BA5DC87CA5A764592E D7312C6A26F7E358EF35182A49763A61C9A0C5DBDDCF199251381215 51EB3C3CED9F529F03A85429F42F75503EFA6E1301AA7AD9B29C5AAA A1EF6EE5BBE9E2639D65BAF98A6B06243483A2453969F65F9A0DAD3D 8630522079B8C1079E28057D63696739B71F57EE85AB20A596865D77 EF70412C7A4BE7D9D5A4EB13709F0EC1AF6A4CF962364761EBD62EFB 4F16EE843C1B214944EFF2C81563C4AC4C854C32972DF761F17FDCAC 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
diff --git a/bin/tests/system/unknown/ns1/broken1.db b/bin/tests/system/unknown/ns1/broken1.db
new file mode 100644
index 0000000..cee3832
--- /dev/null
+++ b/bin/tests/system/unknown/ns1/broken1.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			SOA	mname1. . (
+				2000062101 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+
+a			A	\# 5 0A000001
diff --git a/bin/tests/system/unknown/ns1/broken2.db b/bin/tests/system/unknown/ns1/broken2.db
new file mode 100644
index 0000000..b06ce83
--- /dev/null
+++ b/bin/tests/system/unknown/ns1/broken2.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			SOA	mname1. . (
+				2000062101 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+
+a			A	\# 4 0A00000100
diff --git a/bin/tests/system/unknown/ns1/broken3.db b/bin/tests/system/unknown/ns1/broken3.db
new file mode 100644
index 0000000..24c0aed
--- /dev/null
+++ b/bin/tests/system/unknown/ns1/broken3.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			SOA	mname1. . (
+				2000062101 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+
+a			A	\# 5 0A00000100
diff --git a/bin/tests/system/unknown/ns1/broken4.db b/bin/tests/system/unknown/ns1/broken4.db
new file mode 100644
index 0000000..448bc4b
--- /dev/null
+++ b/bin/tests/system/unknown/ns1/broken4.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			SOA	mname1. . (
+				2000062101 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+
+soa			SOA	\# 32 026E73013300 04726F6F74C4 00000001 00000001 00000001 00000001 00000001
diff --git a/bin/tests/system/unknown/ns1/broken5.db b/bin/tests/system/unknown/ns1/broken5.db
new file mode 100644
index 0000000..b868a6c
--- /dev/null
+++ b/bin/tests/system/unknown/ns1/broken5.db
@@ -0,0 +1,23 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			SOA	mname1. . (
+				2000062101 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+
+any			TYPE255	\# 2 AB CD
diff --git a/bin/tests/system/unknown/ns1/class10.hints b/bin/tests/system/unknown/ns1/class10.hints
new file mode 100644
index 0000000..cf78245
--- /dev/null
+++ b/bin/tests/system/unknown/ns1/class10.hints
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+.	NS	ns.
diff --git a/bin/tests/system/unknown/ns1/example-class10.db b/bin/tests/system/unknown/ns1/example-class10.db
new file mode 100644
index 0000000..ba69aad
--- /dev/null
+++ b/bin/tests/system/unknown/ns1/example-class10.db
@@ -0,0 +1,31 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			SOA	mname1. . (
+				2000062101 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+
+a1			A	\# 4 0A000001
+a2		CLASS10	A	\# 4 0A000001
+
+txt1			TXT	\# 6 0568656C6C6F
+txt2			TXT	"hello"
+txt3		CLASS10	TXT	\# 6 0568656C6C6F
+txt4		CLASS10	TXT	"hello"
+
+unk1                    TYPE123 \# 1 00
+unk2            CLASS10 TYPE123 \# 1 00
diff --git a/bin/tests/system/unknown/ns1/example-in.db b/bin/tests/system/unknown/ns1/example-in.db
new file mode 100644
index 0000000..9b4b8ec
--- /dev/null
+++ b/bin/tests/system/unknown/ns1/example-in.db
@@ -0,0 +1,56 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			SOA	mname1. . (
+				2000062101 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+
+a1			A	\# 4 0A000001
+a2			A	\# 4 0A 00 00 01
+a3		CLASS1	A	10.0.0.1
+a4		CLASS1	A	\# 4 0A000001
+a5			TYPE1	10.0.0.1
+a6			TYPE1	\# 4 0A000001
+a7		CLASS1	TYPE1	10.0.0.1
+a8		CLASS1	TYPE1	\# 4 0A000001
+a9		IN	TYPE1	10.0.0.1
+a10		IN	TYPE1	\# 4 0A000001
+a11		IN	TYPE1	\# 4 0a000001
+a12		IN	A	\# 4 0A000001
+
+null		IN	NULL	\# 1 00
+empty		IN	NULL	\# 0
+empty		IN	TYPE124	\# 0
+
+emptyplus	IN	TYPE125 \# 0
+emptyplus	IN	TYPE125 \# 1 11
+
+txt1		IN	TXT	"hello"
+txt2		CLASS1	TXT	"hello"
+txt3		IN	TYPE16	"hello"
+txt4		CLASS1	TYPE16	"hello"
+txt5			TXT	\# 6 0568656C6C6F
+txt6			TYPE16	\# 6 0568656C6C6F
+txt7		IN	TXT	\# 6 0568656C6C6F
+txt8		IN	TXT	"\#" 2 0145
+txt9		IN	TXT	\# text
+
+unk1			TYPE123	\# 1 00
+unk2		CLASS1	TYPE123	\# 1 00
+unk3		IN	TYPE123	\# 1 00
+$INCLUDE large.db
diff --git a/bin/tests/system/unknown/ns1/large.db b/bin/tests/system/unknown/ns1/large.db
new file mode 100644
index 0000000..ada9930
--- /dev/null
+++ b/bin/tests/system/unknown/ns1/large.db
@@ -0,0 +1,3011 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+large	IN TYPE45234	\# 48000 ( 45841674994e4f5e4ba43aada754d631
+			dfb7e12155e7f10c551032b3e56ed5ba
+			5136c15cda201e7e5e54fb60a99388b6
+			1a565c1cf74cd8aae1aee7fbeb54cebe
+			e065cf2b1b317f67277ae733183c668b
+			a81a7efec322d36fb5cc6293ad7f7ae3
+			544a7c64d404c4eeb1b889e9780a213b
+			d548a018be2e1b6a3b8840d714ddb8c0
+			a66beaa4c2a1471d216ad0eb8d2c8849
+			60d30fd3fad058c47eace42aab0f0d40
+			a690ca3baf9616b7373b889788e89175
+			7ae0eeaccd291d87d05daed8631d1ebf
+			9202f81659754ca11221e902a69c7bf0
+			039310edf5305ace5404ddd02163be0a
+			22334879a27bfa7702e13d06f1588726
+			1a12abfd0c01966fa67f97ed38c521db
+			cff8a2aa8daf53f1eaa7991b6767da0e
+			68b2ebb38beb8f1aadaa30c1185870da
+			d0091e7af0bbed453ce081ba5dc87ca5
+			a764592ed7312c6a26f7e358ef35182a
+			49763a61c9a0c5dbddcf199251381215
+			51eb3c3ced9f529f03a85429f42f7550
+			3efa6e1301aa7ad9b29c5aaaa1ef6ee5
+			bbe9e2639d65baf98a6b06243483a245
+			3969f65f9a0dad3d8630522079b8c107
+			9e28057d63696739b71f57ee85ab20a5
+			96865d77ef70412c7a4be7d9d5a4eb13
+			709f0ec1af6a4cf962364761ebd62efb
+			4f16ee843c1b214944eff2c81563c4ac
+			4c854c32972df761f17fdcac3e40e027
+			57fdf1fa57f77e1c86c3d488b02d4634
+			501801be4f929ffde0ed07112093d901
+			8d59cee1733bfdc8a968a831d42b95c0
+			87a578e3c6eefacfa1c9089072ab490d
+			631b2d00cb75cb33586917f103842856
+			ca2f5ccd449465b4a86a37f8147d6269
+			69f02dafacd4ba81b680e5dc288037ad
+			a3be902e2ef9c129710200ac93f5d3bf
+			1c1418b65d98bdf101d38d9b2c5f25a3
+			d09a4638dcc2c0d0cf411f3ed747e674
+			5ac7a8be03ea2ee990979cf3b8398c4b
+			fb058012de25fbf0e1081c4205afc54d
+			3bda63565bc0bc3f6af91f083abc26ac
+			7047e2759f28525498ae6461a1f66b90
+			0fde5d8cd6c842c587f28620444ad5bd
+			3b522f0294c14e2279b5c577f3f41c15
+			a723a20259805aa18360f6b954b75d98
+			beecd0c0a0ad151b0027cca891932adf
+			ca9b7eca33fd585031c188f8d851e3bb
+			c8552f340e1319553bfe776975baee6a
+			cf025b8c4849c0a430049734114b7534
+			5228d19846b39580f1c328068a4b36c4
+			3ef13380be7e54060acd9494ee99908f
+			57e779a4c20728135d509b52d5066cc7
+			bac77f1c4fcf81e9f0c7cf621593e90f
+			398c56b14fddc74f62a4854655cb27b1
+			dc94a83f9a4a52055ea74ea3129f88cb
+			8d01870bfd5157cb966cfa4121e018c2
+			dd72f363dfa5011d1072fd9350dde79b
+			ec213520cd68ccea356ee24b2c3e8487
+			1540c410353e9514188a46771b07b2b0
+			e261287d353a8d55a71077b4b509fb99
+			c80d7d07f6739cbc9ed82a5a40e624c0
+			860a42049585c0abc164b6e5e726da58
+			b6faf8384e0c8e9a03bae074415335ba
+			c4e72aad561cb77a8d7aad25c67f3d74
+			f38b62f43a2012fbe62c0def6be94809
+			8dbcbb0f06769663b8e6a7c0d88ac914
+			dbb8baa785f4509b2decad57f85516d2
+			aef23a24202b4123f4ce41e97653b5f3
+			8e7e092c8ebfdc36a46d204237ae7148
+			4f4249740c2eca7beace1699ccaac0da
+			a6ad8c1a0c5aeb59086c2179a235085d
+			0c68942c8fbd67ec7fcf627049df4790
+			757f40d7d027fbeae4a358edd5867c7f
+			5671046038e3086d76d3e22f868dbe60
+			c64eb123bbf15358fd7d5b6511cedecf
+			a701494b143f77f7463d8e3099b811e8
+			ab53092b3ef6e995a655086bcf61eb77
+			3900d425132a04530befc404f5bc27d9
+			8dd2367bb815580f8bb7cbef47936806
+			48959a44a6cd216196a4bd61d1cc4432
+			6869877e2be943c6c7bb95b854117b1a
+			0b00d33083afe54461024bd791b2724b
+			ed82edd289f9376c7e0502627e1e3672
+			345dc53f1f25afb60568ca28c84b9214
+			d32fb5d805cdd31324640519c3dd0b65
+			19fa93ab15d734fc0c5abbfa90c910c9
+			0c3f38b0688b584b6285427f760414c9
+			445b415fe433908035081f5ca081ab53
+			cc7c2701f65a18a5e64eba887bad3343
+			2735c1e62ad2b35f0a258892d919835d
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diff --git a/bin/tests/system/unknown/ns1/named.conf.in b/bin/tests/system/unknown/ns1/named.conf.in
new file mode 100644
index 0000000..a4b98db
--- /dev/null
+++ b/bin/tests/system/unknown/ns1/named.conf.in
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+};
+
+view "in" {
+	zone "example." {
+		type primary;
+		file "example-in.db";
+	};
+
+	zone "broken1." {
+		type primary;
+		file "broken1.db";
+	};
+
+	zone "broken2." {
+		type primary;
+		file "broken2.db";
+	};
+
+	zone "broken3." {
+		type primary;
+		file "broken3.db";
+	};
+
+	zone "broken4." {
+		type primary;
+		file "broken4.db";
+	};
+
+	zone "broken5." {
+		type primary;
+		file "broken5.db";
+	};
+};
+
+view "class10" class10 {
+	zone "." class10 {
+		type hint;
+		file "class10.hints";
+	};
+
+	zone "example." class10 {
+		type primary;
+		file "example-class10.db";
+	};
+};
diff --git a/bin/tests/system/unknown/ns2/named.conf.in b/bin/tests/system/unknown/ns2/named.conf.in
new file mode 100644
index 0000000..af81836
--- /dev/null
+++ b/bin/tests/system/unknown/ns2/named.conf.in
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+};
+
+view "in" {
+	zone "example." {
+		type secondary;
+		primaries { 10.53.0.1; };
+		file "example-in.bk";
+	};
+};
diff --git a/bin/tests/system/unknown/ns3/named.conf.in b/bin/tests/system/unknown/ns3/named.conf.in
new file mode 100644
index 0000000..ae20a68
--- /dev/null
+++ b/bin/tests/system/unknown/ns3/named.conf.in
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+};
+
+view "in" {
+	zone "example." {
+		type secondary;
+		primaries { 10.53.0.1; };
+		inline-signing yes;
+		auto-dnssec maintain;
+		file "example-in.bk";
+	};
+};
diff --git a/bin/tests/system/unknown/ns3/sign.sh b/bin/tests/system/unknown/ns3/sign.sh
new file mode 100644
index 0000000..7a8b097
--- /dev/null
+++ b/bin/tests/system/unknown/ns3/sign.sh
@@ -0,0 +1,20 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+zone=example
+rm -f K${zone}.+*+*.key
+rm -f K${zone}.+*+*.private
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone $zone)
+keyname=$($KEYGEN -q -a ${DEFAULT_ALGORITHM} -n zone -f KSK $zone)
diff --git a/bin/tests/system/unknown/setup.sh b/bin/tests/system/unknown/setup.sh
new file mode 100644
index 0000000..0c043bf
--- /dev/null
+++ b/bin/tests/system/unknown/setup.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+
+(cd ns3; $SHELL -e sign.sh)
diff --git a/bin/tests/system/unknown/tests.sh b/bin/tests/system/unknown/tests.sh
new file mode 100644
index 0000000..f52b50e
--- /dev/null
+++ b/bin/tests/system/unknown/tests.sh
@@ -0,0 +1,235 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+DIGOPTS="-p ${PORT}"
+
+dig_cmd() {
+	# shellcheck disable=SC2086
+	"$DIG" $DIGOPTS "$@" | grep -v '^;'
+}
+
+n=$((n+1))
+echo_i "querying for various representations of an IN A record ($n)"
+for i in 1 2 3 4 5 6 7 8 9 10 11 12
+do
+	ret=0
+	dig_cmd +short @10.53.0.1 a$i.example a in > dig.out.$i.test$n
+	echo 10.0.0.1 | diff - dig.out.$i.test$n || ret=1
+	if [ $ret != 0 ]
+	then
+		echo_i "#$i failed"
+	fi
+	status=$((status + ret))
+done
+
+n=$((n+1))
+echo_i "querying for various representations of an IN TXT record ($n)"
+for i in 1 2 3 4 5 6 7
+do
+	ret=0
+	dig_cmd +short @10.53.0.1 txt$i.example txt in > dig.out.$i.test$n
+	echo '"hello"' | diff - dig.out.$i.test$n || ret=1
+	if [ $ret != 0 ]
+	then
+		echo_i "#$i failed"
+	fi
+	status=$((status + ret))
+done
+
+n=$((n+1))
+echo_i "querying for various representations of an IN TYPE123 record ($n)"
+for i in 1 2 3
+do
+	ret=0
+	dig_cmd +short @10.53.0.1 unk$i.example type123 in > dig.out.$i.test$n
+	echo '\# 1 00' | diff - dig.out.$i.test$n || ret=1
+	if [ $ret != 0 ]
+	then
+		echo_i "#$i failed"
+	fi
+	status=$((status + ret))
+done
+
+n=$((n+1))
+echo_i "querying for NULL record ($n)"
+ret=0
+dig_cmd +short @10.53.0.1 null.example null in > dig.out.test$n
+echo '\# 1 00' | diff - dig.out.test$n || ret=1
+[ $ret = 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "querying for empty NULL record ($n)"
+ret=0
+dig_cmd +short @10.53.0.1 empty.example null in > dig.out.test$n
+echo '\# 0' | diff - dig.out.test$n || ret=1
+[ $ret = 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "querying for various representations of a CLASS10 TYPE1 record ($n)"
+for i in 1 2
+do
+	ret=0
+	dig_cmd +short @10.53.0.1 a$i.example a class10 > dig.out.$i.test$n
+	echo '\# 4 0A000001' | diff - dig.out.$i.test$n || ret=1
+	if [ $ret != 0 ]
+	then
+		echo_i "#$i failed"
+	fi
+	status=$((status + ret))
+done
+
+n=$((n+1))
+echo_i "querying for various representations of a CLASS10 TXT record ($n)"
+for i in 1 2 3 4
+do
+	ret=0
+	dig_cmd +short @10.53.0.1 txt$i.example txt class10 > dig.out.$i.test$n
+	echo '"hello"' | diff - dig.out.$i.test$n || ret=1
+	if [ $ret != 0 ]
+	then
+		echo_i "#$i failed"
+	fi
+	status=$((status + ret))
+done
+
+n=$((n+1))
+echo_i "querying for various representations of a CLASS10 TYPE123 record ($n)"
+for i in 1 2
+do
+	ret=0
+	dig_cmd +short @10.53.0.1 unk$i.example type123 class10 > dig.out.$i.test$n
+	echo '\# 1 00' | diff - dig.out.$i.test$n || ret=1
+	if [ $ret != 0 ]
+	then
+		echo_i "#$i failed"
+	fi
+	status=$((status + ret))
+done
+
+n=$((n+1))
+echo_i "querying for SOAs of zone that should have failed to load ($n)"
+for i in 1 2 3 4
+do
+	ret=0
+	$DIG $DIGOPTS @10.53.0.1 broken$i. soa in > dig.out.$i.test$n || ret=1
+	grep "SERVFAIL" dig.out.$i.test$n > /dev/null || ret=1
+	if [ $ret != 0 ]
+	then
+		echo_i "#$i failed"
+	fi
+	status=$((status + ret))
+done
+
+n=$((n+1))
+echo_i "checking large unknown record loading on primary ($n)"
+for try in 0 1 2 3 4 5 6 7 8 9; do
+    ret=0
+    dig_cmd @10.53.0.1 +tcp +short large.example TYPE45234 > dig.out.$i.test$n
+    diff -s large.out dig.out.$i.test$n > /dev/null || { ret=1 ; echo_i "diff failed"; }
+    [ "$ret" -eq 0 ] && break
+    sleep 1
+done
+[ $ret = 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "checking large unknown record loading on secondary ($n)"
+for try in 0 1 2 3 4 5 6 7 8 9; do
+    ret=0
+    dig_cmd @10.53.0.2 +tcp +short large.example TYPE45234 > dig.out.$i.test$n
+    diff -s large.out dig.out.$i.test$n > /dev/null || { ret=1 ; echo_i "diff failed"; }
+    [ "$ret" -eq 0 ] && break
+    sleep 1
+done
+[ $ret = 0 ] || echo_i "failed"
+status=$((status + ret))
+
+echo_i "stop and restart secondary"
+stop_server ns2
+start_server --noclean --restart --port ${PORT} ns2
+
+# server may be answering queries before zones are loaded,
+# so retry a few times if this query fails
+n=$((n+1))
+echo_i "checking large unknown record loading on secondary ($n)"
+for try in 0 1 2 3 4 5 6 7 8 9; do
+    ret=0
+    dig_cmd @10.53.0.2 +tcp +short large.example TYPE45234 > dig.out.$i.test$n
+    diff -s large.out dig.out.$i.test$n > /dev/null || { ret=1 ; echo_i "diff failed"; }
+    [ "$ret" -eq 0 ] && break
+    sleep 1
+done
+[ $ret = 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "checking large unknown record loading on inline secondary ($n)"
+ret=0
+dig_cmd @10.53.0.3 +tcp +short large.example TYPE45234 > dig.out.test$n
+diff large.out dig.out.test$n > /dev/null || { ret=1 ; echo_i "diff failed"; }
+[ $ret = 0 ] || echo_i "failed"
+status=$((status + ret))
+
+echo_i "stop and restart inline secondary"
+stop_server ns3
+start_server --noclean --restart --port ${PORT} ns3
+
+# server may be answering queries before zones are loaded,
+# so retry a few times if this query fails
+n=$((n+1))
+echo_i "checking large unknown record loading on inline secondary ($n)"
+for try in 0 1 2 3 4 5 6 7 8 9; do
+    ret=0
+    dig_cmd @10.53.0.3 +tcp +short large.example TYPE45234 > dig.out.$i.test$n
+    diff large.out dig.out.$i.test$n > /dev/null || { ret=1 ; echo_i "diff failed"; }
+    [ "$ret" -eq 0 ] && break
+    sleep 1
+done
+[ $ret = 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that '"'"\\#"'"' is not treated as the unknown escape sequence ($n)"
+ret=0
+dig_cmd @10.53.0.1 +tcp +short txt8.example txt > dig.out.test$n
+echo '"#" "2" "0145"' | diff - dig.out.test$n || ret=1
+[ $ret = 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that 'TXT \# text' is not treated as the unknown escape sequence ($n)"
+ret=0
+dig_cmd @10.53.0.1 +tcp +short txt9.example txt > dig.out.test$n
+echo '"#" "text"' | diff - dig.out.test$n || ret=1
+[ $ret = 0 ] || echo_i "failed"
+status=$((status + ret))
+
+n=$((n+1))
+echo_i "check that 'TYPE353 \# cat' produces 'not a valid number' ($n)"
+ret=0
+$CHECKZONE nan.bad zones/nan.bad > check.out 2>&1 && ret=1
+grep "not a valid number" check.out > /dev/null || ret=1
+[ $ret = 0 ] || echo_i "failed"
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/unknown/tests_sh_unknown.py b/bin/tests/system/unknown/tests_sh_unknown.py
new file mode 100644
index 0000000..fe1f451
--- /dev/null
+++ b/bin/tests/system/unknown/tests_sh_unknown.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_unknown(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/unknown/zones/nan.bad b/bin/tests/system/unknown/zones/nan.bad
new file mode 100644
index 0000000..4381f88
--- /dev/null
+++ b/bin/tests/system/unknown/zones/nan.bad
@@ -0,0 +1,12 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0 IN TYPE353 \# cat 010101010101010101
diff --git a/bin/tests/system/upforwd/ans4/ans.pl b/bin/tests/system/upforwd/ans4/ans.pl
new file mode 100644
index 0000000..000be56
--- /dev/null
+++ b/bin/tests/system/upforwd/ans4/ans.pl
@@ -0,0 +1,363 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# This is the name server from hell.  It provides canned
+# responses based on pattern matching the queries, and
+# can be reprogrammed on-the-fly over a TCP connection.
+#
+# The server listens for control connections on port 5301.
+# A control connection is a TCP stream of lines like
+#
+#  /pattern/
+#  name ttl type rdata
+#  name ttl type rdata
+#  ...
+#  /pattern/
+#  name ttl type rdata
+#  name ttl type rdata
+#  ...
+#
+# There can be any number of patterns, each associated
+# with any number of response RRs.  Each pattern is a
+# Perl regular expression.
+#
+# Each incoming query is converted into a string of the form
+# "qname qtype" (the printable query domain name, space,
+# printable query type) and matched against each pattern.
+#
+# The first pattern matching the query is selected, and
+# the RR following the pattern line are sent in the
+# answer section of the response.
+#
+# Each new control connection causes the current set of
+# patterns and responses to be cleared before adding new
+# ones.
+#
+# The server handles UDP and TCP queries.  Zone transfer
+# responses work, but must fit in a single 64 k message.
+#
+# Now you can add TSIG, just specify key/key data with:
+#
+#  /pattern <key> <key_data>/
+#  name ttl type rdata
+#  name ttl type rdata
+#
+#  Note that this data will still be sent with any request for
+#  pattern, only this data will be signed. Currently, this is only
+#  done for TCP.
+
+
+use IO::File;
+use IO::Socket;
+use Data::Dumper;
+use Net::DNS;
+use Net::DNS::Packet;
+use strict;
+
+# Ignore SIGPIPE so we won't fail if peer closes a TCP socket early
+local $SIG{PIPE} = 'IGNORE';
+
+# Flush logged output after every line
+local $| = 1;
+
+my $server_addr = "10.53.0.4";
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $udpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $localport, Proto => "udp", Reuse => 1) or die "$!";
+
+my $tcpsock = IO::Socket::INET->new(LocalAddr => "$server_addr",
+   LocalPort => $localport, Proto => "tcp", Listen => 5, Reuse => 1) or die "$!";
+
+print "listening on $server_addr:$localport.\n";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";;
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+#my @answers = ();
+my @rules;
+sub handleUDP {
+        my ($buf) = @_;
+	my $packet;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$packet = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($packet, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+        $packet->header->qr(1);
+        $packet->header->aa(1);
+
+        my @questions = $packet->question;
+        my $qname = $questions[0]->qname;
+        my $qtype = $questions[0]->qtype;
+
+        # get the existing signature if any, and clear the additional section
+        my $prev_tsig;
+        while (my $rr = $packet->pop("additional")) {
+                if ($rr->type eq "TSIG") {
+                        $prev_tsig = $rr;
+                }
+        }
+
+        my $r;
+        foreach $r (@rules) {
+                my $pattern = $r->{pattern};
+		my($dbtype, $key_name, $key_data) = split(/ /,$pattern);
+		print "[handleUDP] $dbtype, $key_name, $key_data \n";
+                if ("$qname $qtype" =~ /$dbtype/) {
+                        my $a;
+                        foreach $a (@{$r->{answer}}) {
+                                $packet->push("answer", $a);
+                        }
+			if(defined($key_name) && defined($key_data)) {
+				# Sign the packet
+				print "  Signing the response with " .
+                                      "$key_name/$key_data\n";
+                                my $tsig = Net::DNS::RR->
+                                        new("$key_name TSIG $key_data");
+
+                                # These kluges are necessary because Net::DNS
+                                # doesn't know how to sign responses.  We
+                                # clear compnames so that the TSIG key and
+                                # algorithm name won't be compressed, and
+                                # add one to arcount because the signing
+                                # function will attempt to decrement it,
+                                # which is incorrect in a response. Finally
+                                # we set request_mac to the previous digest.
+                                $packet->{"compnames"} = {};
+                                $packet->{"header"}{"arcount"} += 1;
+                                if (defined($prev_tsig)) {
+                                        my $rmac = pack('n H*',
+                                                $prev_tsig->mac_size,
+                                                $prev_tsig->mac);
+                                        $tsig->{"request_mac"} =
+                                                unpack("H*", $rmac);
+                                }
+
+				$packet->sign_tsig($tsig);
+			}
+                        last;
+                }
+        }
+        #$packet->print;
+
+        return $packet->data;
+}
+
+# namelen:
+# given a stream of data, reads a DNS-formatted name and returns its
+# total length, thus making it possible to skip past it.
+sub namelen {
+        my ($data) = @_;
+        my $len = 0;
+        my $label_len = 0;
+        do {
+                $label_len = unpack("c", $data);
+                $data = substr($data, $label_len + 1);
+                $len += $label_len + 1;
+        } while ($label_len != 0);
+        return ($len);
+}
+
+# packetlen:
+# given a stream of data, reads a DNS wire-format packet and returns
+# its total length, making it possible to skip past it.
+sub packetlen {
+        my ($data) = @_;
+        my $q;
+        my $rr;
+
+        my ($header, $offset) = Net::DNS::Header->parse(\$data);
+        for (1 .. $header->qdcount) {
+                ($q, $offset) = Net::DNS::Question->parse(\$data, $offset);
+        }
+        for (1 .. $header->ancount) {
+                ($rr, $offset) = Net::DNS::RR->parse(\$data, $offset);
+        }
+        for (1 .. $header->nscount) {
+                ($rr, $offset) = Net::DNS::RR->parse(\$data, $offset);
+        }
+        for (1 .. $header->arcount) {
+                ($rr, $offset) = Net::DNS::RR->parse(\$data, $offset);
+        }
+        return $offset;
+}
+
+# sign_tcp_continuation:
+# This is a hack to correct the problem that Net::DNS has no idea how
+# to sign multiple-message TCP responses.  Several data that are included
+# in the digest when signing a query or the first message of a response are
+# omitted when signing subsequent messages in a TCP stream.
+#
+# Net::DNS::Packet->sign_tsig() has the ability to use a custom signing
+# function (specified by calling Packet->sign_func()).  We use this
+# function as the signing function for TCP continuations, and it removes
+# the unwanted data from the digest before calling the default sign_hmac
+# function.
+sub sign_tcp_continuation {
+        my ($key, $data) = @_;
+
+        # copy out first two bytes: size of the previous MAC
+        my $rmacsize = unpack("n", $data);
+        $data = substr($data, 2);
+
+        # copy out previous MAC
+        my $rmac = substr($data, 0, $rmacsize);
+        $data = substr($data, $rmacsize);
+
+        # try parsing out the packet information
+        my $plen = packetlen($data);
+        my $pdata = substr($data, 0, $plen);
+        $data = substr($data, $plen);
+
+        # remove the keyname, ttl, class, and algorithm name
+        $data = substr($data, namelen($data));
+        $data = substr($data, 6);
+        $data = substr($data, namelen($data));
+
+        # preserve the TSIG data
+        my $tdata = substr($data, 0, 8);
+
+        # prepare a new digest and sign with it
+        $data = pack("n", $rmacsize) . $rmac . $pdata . $tdata;
+        return Net::DNS::RR::TSIG::sign_hmac($key, $data);
+}
+
+sub handleTCP {
+	my ($buf) = @_;
+	my $packet;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$packet = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($packet, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	$packet->header->qr(1);
+	$packet->header->aa(1);
+
+	my @questions = $packet->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+
+        # get the existing signature if any, and clear the additional section
+        my $prev_tsig;
+        my $signer;
+        while (my $rr = $packet->pop("additional")) {
+                if ($rr->type eq "TSIG") {
+                        $prev_tsig = $rr;
+                }
+        }
+
+	my @results = ();
+	my $count_these = 0;
+
+	my $r;
+	foreach $r (@rules) {
+		my $pattern = $r->{pattern};
+		my($dbtype, $key_name, $key_data) = split(/ /,$pattern);
+		print "[handleTCP] $dbtype, $key_name, $key_data \n";
+		if ("$qname $qtype" =~ /$dbtype/) {
+			$count_these++;
+			my $a;
+			foreach $a (@{$r->{answer}}) {
+				$packet->push("answer", $a);
+			}
+			if(defined($key_name) && defined($key_data)) {
+				# sign the packet
+				print "  Signing the data with " .
+                                      "$key_name/$key_data\n";
+
+                                my $tsig = Net::DNS::RR->
+                                        new("$key_name TSIG $key_data");
+
+                                # These kluges are necessary because Net::DNS
+                                # doesn't know how to sign responses.  We
+                                # clear compnames so that the TSIG key and
+                                # algorithm name won't be compressed, and
+                                # add one to arcount because the signing
+                                # function will attempt to decrement it,
+                                # which is incorrect in a response. Finally
+                                # we set request_mac to the previous digest.
+                                $packet->{"compnames"} = {};
+                                $packet->{"header"}{"arcount"} += 1;
+                                if (defined($prev_tsig)) {
+                                        my $rmac = pack('n H*',
+                                                $prev_tsig->mac_size,
+                                                $prev_tsig->mac);
+                                        $tsig->{"request_mac"} =
+                                                unpack("H*", $rmac);
+                                }
+
+                                $tsig->sign_func($signer) if defined($signer);
+				$packet->sign_tsig($tsig);
+                                $signer = \&sign_tcp_continuation;
+
+                                my $copy =
+                                        Net::DNS::Packet->new(\($packet->data));
+                                $prev_tsig = $copy->pop("additional");
+			}
+			#$packet->print;
+			push(@results,$packet->data);
+			$packet = new Net::DNS::Packet(\$buf, 0);
+			$packet->header->qr(1);
+			$packet->header->aa(1);
+		}
+	}
+	print " A total of $count_these patterns matched\n";
+	return \@results;
+}
+
+# Main
+my $rin;
+my $rout;
+for (;;) {
+	$rin = '';
+	vec($rin, fileno($tcpsock), 1) = 1;
+	vec($rin, fileno($udpsock), 1) = 1;
+
+	select($rout = $rin, undef, undef, undef);
+
+	if (vec($rout, fileno($udpsock), 1)) {
+		printf "UDP request\n";
+		my $buf;
+		$udpsock->recv($buf, 512);
+	} elsif (vec($rout, fileno($tcpsock), 1)) {
+		my $conn = $tcpsock->accept;
+		my $buf;
+		for (;;) {
+			my $lenbuf;
+			my $n = $conn->sysread($lenbuf, 2);
+			last unless $n == 2;
+			my $len = unpack("n", $lenbuf);
+			$n = $conn->sysread($buf, $len);
+		}
+		sleep(1);
+	}
+}
diff --git a/bin/tests/system/upforwd/clean.sh b/bin/tests/system/upforwd/clean.sh
new file mode 100644
index 0000000..2641c43
--- /dev/null
+++ b/bin/tests/system/upforwd/clean.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after zone transfer tests.
+#
+
+rm -f dig.out.ns1* dig.out.ns2 dig.out.ns1 dig.out.ns3 dig.out.ns1.after
+rm -f ns1/*.jnl ns2/*.jnl ns3/*.jnl ns1/example.db ns2/*.bk ns3/*.bk
+rm -f ns3/noprimary1.db
+rm -f ns3/dnstap.out*
+rm -f ns3/dnstap.conf
+rm -f dnstap.out*
+rm -f dnstapread.out*
+rm -f */named.memstats
+rm -f */named.run
+rm -f */named.conf
+rm -f */ans.run
+rm -f Ksig0.example2.*
+rm -f keyname keyname.err
+rm -f ns*/named.lock
+rm -f ns1/example2.db
+rm -f ns*/managed-keys.bind*
+rm -f nsupdate.out.*
+rm -f ns*/named.run.prev
diff --git a/bin/tests/system/upforwd/knowngood.after1 b/bin/tests/system/upforwd/knowngood.after1
new file mode 100644
index 0000000..7fc424c
--- /dev/null
+++ b/bin/tests/system/upforwd/knowngood.after1
@@ -0,0 +1,10 @@
+example.		3600	IN	SOA	n1.example. hostmaster.ns1.example. 2 3600 1200 604800 7200
+example.		3600	IN	NS	ns2.example.
+example.		3600	IN	NS	ns3.example.
+ns1.example.		3600	IN	A	10.53.0.1
+ns2.example.		3600	IN	A	10.53.0.2
+ns3.example.		3600	IN	A	10.53.0.3
+updated.example.	600	IN	TXT	"Foo"
+updated.example.	600	IN	A	10.10.10.1
+example.		3600	IN	SOA	n1.example. hostmaster.ns1.example. 2 3600 1200 604800 7200
+
diff --git a/bin/tests/system/upforwd/knowngood.after2 b/bin/tests/system/upforwd/knowngood.after2
new file mode 100644
index 0000000..eab7a2c
--- /dev/null
+++ b/bin/tests/system/upforwd/knowngood.after2
@@ -0,0 +1,11 @@
+example.		3600	IN	SOA	n1.example. hostmaster.ns1.example. 3 3600 1200 604800 7200
+example.		3600	IN	NS	ns2.example.
+example.		3600	IN	NS	ns3.example.
+ns1.example.		3600	IN	A	10.53.0.1
+ns2.example.		3600	IN	A	10.53.0.2
+ns3.example.		3600	IN	A	10.53.0.3
+unsigned.example.	600	IN	TXT	"Foo"
+unsigned.example.	600	IN	A	10.10.10.1
+updated.example.	600	IN	TXT	"Foo"
+updated.example.	600	IN	A	10.10.10.1
+example.		3600	IN	SOA	n1.example. hostmaster.ns1.example. 3 3600 1200 604800 7200
diff --git a/bin/tests/system/upforwd/knowngood.before b/bin/tests/system/upforwd/knowngood.before
new file mode 100644
index 0000000..4bde819
--- /dev/null
+++ b/bin/tests/system/upforwd/knowngood.before
@@ -0,0 +1,8 @@
+example.		3600	IN	SOA	n1.example. hostmaster.ns1.example. 1 3600 1200 604800 7200
+example.		3600	IN	NS	ns2.example.
+example.		3600	IN	NS	ns3.example.
+ns1.example.		3600	IN	A	10.53.0.1
+ns2.example.		3600	IN	A	10.53.0.2
+ns3.example.		3600	IN	A	10.53.0.3
+example.		3600	IN	SOA	n1.example. hostmaster.ns1.example. 1 3600 1200 604800 7200
+
diff --git a/bin/tests/system/upforwd/knowngood.ns2.before b/bin/tests/system/upforwd/knowngood.ns2.before
new file mode 100644
index 0000000..bb3c355
--- /dev/null
+++ b/bin/tests/system/upforwd/knowngood.ns2.before
@@ -0,0 +1,6 @@
+example.		3600	IN	SOA	n1.example. hostmaster.ns1.example. 1 3600 1200 604800 7200
+example.		3600	IN	NS	ns2.example.
+ns1.example.		3600	IN	A	10.53.0.1
+ns2.example.		3600	IN	A	10.53.0.2
+example.		3600	IN	SOA	n1.example. hostmaster.ns1.example. 1 3600 1200 604800 7200
+
diff --git a/bin/tests/system/upforwd/ns1/example1.db b/bin/tests/system/upforwd/ns1/example1.db
new file mode 100644
index 0000000..04c47f2
--- /dev/null
+++ b/bin/tests/system/upforwd/ns1/example1.db
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	SOA	n1.example. hostmaster.ns1.example. (
+			1 3600 1200 604800 7200 )
+		NS	ns2.example.
+		NS	ns3.example.
+ns1		A	10.53.0.1
+ns2		A	10.53.0.2
+ns3		A	10.53.0.3
diff --git a/bin/tests/system/upforwd/ns1/named.conf.in b/bin/tests/system/upforwd/ns1/named.conf.in
new file mode 100644
index 0000000..822621e
--- /dev/null
+++ b/bin/tests/system/upforwd/ns1/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+key "update.example." {
+	algorithm "hmac-md5";
+	secret "c3Ryb25nIGVub3VnaCBmb3IgYSBtYW4gYnV0IG1hZGUgZm9yIGEgd29tYW4K";
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-update { key update.example.; 10.53.0.3; };
+};
+
+zone "example2" {
+	type primary;
+	file "example2.db";
+	allow-update { key sig0.example2.; };
+};
diff --git a/bin/tests/system/upforwd/ns2/named.conf.in b/bin/tests/system/upforwd/ns2/named.conf.in
new file mode 100644
index 0000000..df4121b
--- /dev/null
+++ b/bin/tests/system/upforwd/ns2/named.conf.in
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "example" {
+	type secondary;
+	file "example.bk";
+	primaries { 10.53.0.1; };
+};
+
+zone "example2" {
+	type secondary;
+	file "example2.bk";
+	primaries { 10.53.0.1; };
+};
diff --git a/bin/tests/system/upforwd/ns3/named1.conf.in b/bin/tests/system/upforwd/ns3/named1.conf.in
new file mode 100644
index 0000000..b142537
--- /dev/null
+++ b/bin/tests/system/upforwd/ns3/named1.conf.in
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	include "dnstap.conf";
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "example" {
+	type secondary;
+	file "example.bk";
+	allow-update-forwarding { 10.53.0.1; };
+	primaries { 10.53.0.1; };
+};
+
+zone "example2" {
+	type secondary;
+	file "example2.bk";
+	allow-update-forwarding { 10.53.0.1; };
+	primaries { 10.53.0.1; };
+};
+
+zone "example3" {
+	type secondary;
+	file "example3.bk";
+	allow-update-forwarding { 10.53.0.1; };
+	primaries { 10.53.0.1; };
+};
+
+zone "noprimary" {
+	type secondary;
+	file "noprimary1.db";
+	allow-update-forwarding { any; };
+	masterfile-format text;
+	primaries { 10.53.0.4; };
+};
diff --git a/bin/tests/system/upforwd/ns3/named2.conf.in b/bin/tests/system/upforwd/ns3/named2.conf.in
new file mode 100644
index 0000000..1fe3e04
--- /dev/null
+++ b/bin/tests/system/upforwd/ns3/named2.conf.in
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	tls-port @TLSPORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on tls ephemeral { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	update-quota 1;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "example" {
+	type secondary;
+	file "example.bk";
+	allow-update-forwarding { any; };
+	primaries { 10.53.0.1; };
+};
diff --git a/bin/tests/system/upforwd/ns3/noprimary.db b/bin/tests/system/upforwd/ns3/noprimary.db
new file mode 100644
index 0000000..c27e154
--- /dev/null
+++ b/bin/tests/system/upforwd/ns3/noprimary.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0 SOA	. . 141235 3600 1200 86400 1200
+@ 0 NS ns4
+ns4 0 A 10.53.0.4
diff --git a/bin/tests/system/upforwd/setup.sh b/bin/tests/system/upforwd/setup.sh
new file mode 100644
index 0000000..f2719ba
--- /dev/null
+++ b/bin/tests/system/upforwd/setup.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+cp -f ns1/example1.db ns1/example.db
+cp -f ns3/noprimary.db ns3/noprimary1.db
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named1.conf.in ns3/named.conf
+
+if $FEATURETEST --enable-dnstap
+then
+	cat <<'EOF' > ns3/dnstap.conf
+	dnstap-identity "ns3";
+	dnstap-version "xxx";
+	dnstap-output file "dnstap.out";
+	dnstap { all; };
+EOF
+else
+	echo "/* DNSTAP NOT ENABLED */" >ns3/dnstap.conf
+fi
+
+
+#
+# SIG(0) required cryptographic support which may not be configured.
+#
+keyname=$($KEYGEN  -q -n HOST -a ${DEFAULT_ALGORITHM} -b 1024 -T KEY sig0.example2 2>keyname.err)
+if test -n "$keyname"
+then
+	cat ns1/example1.db $keyname.key > ns1/example2.db
+	echo $keyname > keyname
+else
+	cat ns1/example1.db > ns1/example2.db
+fi
+cat_i < keyname.err
diff --git a/bin/tests/system/upforwd/tests.sh b/bin/tests/system/upforwd/tests.sh
new file mode 100644
index 0000000..9b49fbd
--- /dev/null
+++ b/bin/tests/system/upforwd/tests.sh
@@ -0,0 +1,295 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+# ns1 = stealth primary
+# ns2 = secondary with update forwarding disabled; not currently used
+# ns3 = secondary with update forwarding enabled
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +noadd +nosea +nostat +noquest +nocomm +nocmd -p ${PORT}"
+RNDCCMD="$RNDC -p ${CONTROLPORT} -c ../common/rndc.conf"
+
+status=0
+n=1
+capture_dnstap() {
+	retry_quiet 20 test -f ns3/dnstap.out && mv ns3/dnstap.out dnstap.out.$n
+	$RNDCCMD -s 10.53.0.3 dnstap -reopen
+}
+
+uq_equals_ur() {
+	"$DNSTAPREAD" dnstap.out.$n |
+        awk '$3 == "UQ" { UQ+=1 } $3 == "UR" { UR += 1 } END { print UQ+0, UR+0 }' > dnstapread.out$n
+        read UQ UR < dnstapread.out$n
+	echo_i "UQ=$UQ UR=$UR"
+        test $UQ -eq $UR || return 1
+}
+
+echo_i "waiting for servers to be ready for testing ($n)"
+for i in 1 2 3 4 5 6 7 8 9 10
+do
+	ret=0
+	$DIG +tcp -p ${PORT} example. @10.53.0.1 soa > dig.out.ns1 || ret=1
+	grep "status: NOERROR" dig.out.ns1 > /dev/null ||  ret=1
+	$DIG +tcp -p ${PORT} example. @10.53.0.2 soa > dig.out.ns2 || ret=1
+	grep "status: NOERROR" dig.out.ns2 > /dev/null ||  ret=1
+	$DIG +tcp -p ${PORT} example. @10.53.0.3 soa > dig.out.ns3 || ret=1
+	grep "status: NOERROR" dig.out.ns3 > /dev/null ||  ret=1
+	test $ret = 0 && break
+	sleep 1
+done
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+echo_i "fetching primary copy of zone before update ($n)"
+ret=0
+$DIG $DIGOPTS example.\
+	@10.53.0.1 axfr > dig.out.ns1 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+echo_i "fetching secondary 1 copy of zone before update ($n)"
+$DIG $DIGOPTS example.\
+	@10.53.0.2 axfr > dig.out.ns2 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+echo_i "fetching secondary 2 copy of zone before update ($n)"
+ret=0
+$DIG $DIGOPTS example.\
+	@10.53.0.3 axfr > dig.out.ns3 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+echo_i "comparing pre-update copies to known good data ($n)"
+ret=0
+digcomp knowngood.before dig.out.ns1 || ret=1
+digcomp knowngood.before dig.out.ns2 || ret=1
+digcomp knowngood.before dig.out.ns3 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+echo_i "updating zone (signed) ($n)"
+ret=0
+$NSUPDATE -y update.example:c3Ryb25nIGVub3VnaCBmb3IgYSBtYW4gYnV0IG1hZGUgZm9yIGEgd29tYW4K -- - <<EOF || ret=1
+local 10.53.0.1
+server 10.53.0.3 ${PORT}
+update add updated.example. 600 A 10.10.10.1
+update add updated.example. 600 TXT Foo
+send
+EOF
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+echo_i "sleeping 15 seconds for server to incorporate changes"
+sleep 15
+
+echo_i "fetching primary copy of zone after update ($n)"
+ret=0
+$DIG $DIGOPTS example.\
+	@10.53.0.1 axfr > dig.out.ns1 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+echo_i "fetching secondary 1 copy of zone after update ($n)"
+ret=0
+$DIG $DIGOPTS example.\
+	@10.53.0.2 axfr > dig.out.ns2 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+echo_i "fetching secondary 2 copy of zone after update ($n)"
+ret=0
+$DIG $DIGOPTS example.\
+	@10.53.0.3 axfr > dig.out.ns3 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+echo_i "comparing post-update copies to known good data ($n)"
+ret=0
+digcomp knowngood.after1 dig.out.ns1 || ret=1
+digcomp knowngood.after1 dig.out.ns2 || ret=1
+digcomp knowngood.after1 dig.out.ns3 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+echo_i "checking 'forwarding update for zone' is logged ($n)"
+ret=0
+grep "forwarding update for zone 'example/IN'" ns3/named.run > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+if $FEATURETEST --enable-dnstap
+then
+	echo_i "checking DNSTAP logging of UPDATE forwarded update replies ($n)"
+	ret=0
+	capture_dnstap
+	uq_equals_ur || ret=1
+	if [ $ret != 0 ] ; then echo_i "failed"; fi
+	status=$((status + ret))
+	n=$((n + 1))
+fi
+
+echo_i "updating zone (unsigned) ($n)"
+ret=0
+$NSUPDATE -- - <<EOF || ret=1
+local 10.53.0.1
+server 10.53.0.3 ${PORT}
+update add unsigned.example. 600 A 10.10.10.1
+update add unsigned.example. 600 TXT Foo
+send
+EOF
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+echo_i "sleeping 15 seconds for server to incorporate changes"
+sleep 15
+
+echo_i "fetching primary copy of zone after update ($n)"
+ret=0
+$DIG $DIGOPTS example.\
+	@10.53.0.1 axfr > dig.out.ns1 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+echo_i "fetching secondary 1 copy of zone after update ($n)"
+ret=0
+$DIG $DIGOPTS example.\
+	@10.53.0.2 axfr > dig.out.ns2 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+echo_i "fetching secondary 2 copy of zone after update ($n)"
+ret=0
+$DIG $DIGOPTS example.\
+	@10.53.0.3 axfr > dig.out.ns3 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+echo_i "comparing post-update copies to known good data ($n)"
+ret=0
+digcomp knowngood.after2 dig.out.ns1 || ret=1
+digcomp knowngood.after2 dig.out.ns2 || ret=1
+digcomp knowngood.after2 dig.out.ns3 || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+
+if $FEATURETEST --enable-dnstap
+then
+	echo_i "checking DNSTAP logging of UPDATE forwarded update replies ($n)"
+	ret=0
+	capture_dnstap
+	uq_equals_ur || ret=1
+	if [ $ret != 0 ] ; then echo_i "failed"; fi
+	status=$((status + ret))
+	n=$((n + 1))
+fi
+n=$((n + 1))
+
+if test -f keyname
+then
+	echo_i "checking update forwarding to with sig0 ($n)"
+	ret=0
+	keyname=$(cat keyname)
+	$NSUPDATE -k $keyname.private -- - <<EOF
+	local 10.53.0.1
+	server 10.53.0.3 ${PORT}
+	zone example2
+	update add unsigned.example2. 600 A 10.10.10.1
+	update add unsigned.example2. 600 TXT Foo
+	send
+EOF
+	$DIG -p ${PORT} unsigned.example2 A @10.53.0.1 > dig.out.ns1.test$n
+	grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+	if [ $ret != 0 ] ; then echo_i "failed"; fi
+	status=$((status + ret))
+	n=$((n + 1))
+
+	if $FEATURETEST --enable-dnstap
+	then
+		echo_i "checking DNSTAP logging of UPDATE forwarded update replies ($n)"
+		ret=0
+		capture_dnstap
+		uq_equals_ur || ret=1
+		if [ $ret != 0 ] ; then echo_i "failed"; fi
+		status=$((status + ret))
+		n=$((n + 1))
+	fi
+fi
+
+echo_i "attempting an update that should be rejected by ACL ($n)"
+ret=0
+{
+        $NSUPDATE -- - << EOF
+        local 10.53.0.2
+        server 10.53.0.3 ${PORT}
+        update add another.unsigned.example. 600 A 10.10.10.2
+        update add another.unsigned.example. 600 TXT Bar
+        send
+EOF
+} > nsupdate.out.$n 2>&1 && ret=1
+grep REFUSED nsupdate.out.$n > /dev/null || ret=1
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+echo_i "checking update forwarding to dead primary ($n)"
+count=0
+ret=0
+while [ $count -lt 5 -a $ret -eq 0 ]
+do
+(
+$NSUPDATE -- - <<EOF
+local 10.53.0.1
+server 10.53.0.3 ${PORT}
+zone noprimary
+update add unsigned.noprimary. 600 A 10.10.10.1
+update add unsigned.noprimary. 600 TXT Foo
+send
+EOF
+) > /dev/null 2>&1 &
+	$DIG -p ${PORT} +noadd +notcp +noauth noprimary. @10.53.0.3 soa > dig.out.ns3 || ret=1
+	grep "status: NOERROR" dig.out.ns3 > /dev/null || ret=1
+	count=$((count + 1))
+done
+if [ $ret != 0 ] ; then echo_i "failed"; status=$((status + ret)); fi
+n=$((n + 1))
+
+if $FEATURETEST --enable-dnstap
+then
+	echo_i "checking DNSTAP logging of UPDATE forwarded update replies ($n)"
+	ret=0
+	capture_dnstap
+	uq_equals_ur && ret=1
+	if [ $ret != 0 ] ; then echo_i "failed"; fi
+	status=$((status + ret))
+	n=$((n + 1))
+fi
+
+n=$((n + 1))
+ret=0
+echo_i "attempting updates that should exceed quota ($n)"
+# lower the update quota to 1.
+copy_setports ns3/named2.conf.in ns3/named.conf
+rndc_reconfig ns3 10.53.0.3
+nextpart ns3/named.run > /dev/null
+for loop in 1 2 3 4 5 6 7 8 9 10; do
+{
+  $NSUPDATE -- - > /dev/null 2>&1 <<END
+  local 10.53.0.1
+  server 10.53.0.3 ${PORT}
+  update add txt-$loop.unsigned.example 300 IN TXT Whatever
+  send
+END
+} &
+done
+wait_for_log 10 "too many DNS UPDATEs queued" ns3/named.run || ret=1
+[ $ret = 0 ] || { echo_i "failed"; status=1; }
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/upforwd/tests_sh_upforwd.py b/bin/tests/system/upforwd/tests_sh_upforwd.py
new file mode 100644
index 0000000..35bcc64
--- /dev/null
+++ b/bin/tests/system/upforwd/tests_sh_upforwd.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_upforwd(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/verify/clean.sh b/bin/tests/system/verify/clean.sh
new file mode 100644
index 0000000..767ca77
--- /dev/null
+++ b/bin/tests/system/verify/clean.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns*/named.lock
+rm -f verify.out*
+rm -f zones/*.bad
+rm -f zones/*.good
+rm -f zones/*.out*
+rm -f zones/*.tmp
+rm -f zones/K*
+rm -f zones/dsset-*
diff --git a/bin/tests/system/verify/setup.sh b/bin/tests/system/verify/setup.sh
new file mode 100644
index 0000000..08af706
--- /dev/null
+++ b/bin/tests/system/verify/setup.sh
@@ -0,0 +1,16 @@
+#!/bin/sh -e
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+(cd zones && $SHELL genzones.sh)
diff --git a/bin/tests/system/verify/tests.sh b/bin/tests/system/verify/tests.sh
new file mode 100644
index 0000000..d40780a
--- /dev/null
+++ b/bin/tests/system/verify/tests.sh
@@ -0,0 +1,113 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+failed () {
+	cat verify.out.$n | sed 's/^/D:/';
+	echo_i "failed";
+	status=1;
+}
+
+n=0
+status=0
+
+for file in zones/*.good
+do
+	n=$((n + 1))
+	zone=$(expr "$file" : 'zones/\(.*\).good')
+	echo_i "checking supposedly good zone: $zone ($n)"
+	ret=0
+	case $zone in
+	zsk-only.*) only=-z;;
+	ksk-only.*) only=-z;;
+	*) only=;;
+	esac
+	$VERIFY ${only} -o $zone $file > verify.out.$n 2>&1 || ret=1
+	[ $ret = 0 ] || failed
+done
+
+for file in zones/*.bad
+do
+	n=$((n + 1))
+	zone=$(expr "$file" : 'zones/\(.*\).bad')
+	echo_i "checking supposedly bad zone: $zone ($n)"
+	ret=0
+	dumpit=0
+	case $zone in
+	zsk-only.*) only=-z;;
+	ksk-only.*) only=-z;;
+	*) only=;;
+	esac
+	expect1= expect2=
+	case $zone in
+	*.dnskeyonly)
+		expect1="DNSKEY is not signed"
+		;;
+	*.expired)
+		expect1="signature has expired"
+		expect2="No self-signed .*DNSKEY found"
+		;;
+	*.ksk-expired)
+		expect1="signature has expired"
+		expect2="No self-signed .*DNSKEY found"
+		;;
+	*.out-of-zone-nsec|*.below-bottom-of-zone-nsec|*.below-dname-nsec)
+		expect1="unexpected NSEC RRset at"
+		;;
+	*.nsec.broken-chain)
+		expect1="Bad NSEC record for.*, next name mismatch"
+		;;
+	*.bad-bitmap)
+		expect1="bit map mismatch"
+		;;
+	*.missing-empty)
+		expect1="Missing NSEC3 record for";
+		;;
+	unsigned)
+		expect1="Zone contains no DNSSEC keys"
+		;;
+	*.extra-nsec3)
+		expect1="Expected and found NSEC3 chains not equal";
+		;;
+	*)
+		dumpit=1
+		;;
+	esac
+	$VERIFY ${only} -o $zone $file > verify.out.$n 2>&1 && ret=1
+	grep "${expect1:-.}" verify.out.$n > /dev/null || ret=1
+	grep "${expect2:-.}" verify.out.$n > /dev/null || ret=1
+	[ $ret = 0 ] || failed
+	[ $dumpit = 1 ] && cat verify.out.$n
+done
+
+n=$((n + 1))
+echo_i "checking error message when -o is not used and a SOA record not at top of zone is found ($n)"
+ret=0
+# When -o is not used, origin is set to zone file name, which should cause an error in this case
+$VERIFY zones/ksk+zsk.nsec.good > verify.out.$n 2>&1 && ret=1
+grep "not at top of zone" verify.out.$n > /dev/null || ret=1
+grep "use -o to specify a different zone origin" verify.out.$n > /dev/null || ret=1
+[ $ret = 0 ] || failed
+
+n=$((n + 1))
+echo_i "checking error message when an invalid -o is specified and a SOA record not at top of zone is found ($n)"
+ret=0
+$VERIFY -o invalid.origin zones/ksk+zsk.nsec.good > verify.out.$n 2>&1 && ret=1
+grep "not at top of zone" verify.out.$n > /dev/null || ret=1
+grep "use -o to specify a different zone origin" verify.out.$n > /dev/null && ret=1
+[ $ret = 0 ] || failed
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/verify/tests_sh_verify.py b/bin/tests/system/verify/tests_sh_verify.py
new file mode 100644
index 0000000..2fd0c5c
--- /dev/null
+++ b/bin/tests/system/verify/tests_sh_verify.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_verify(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/verify/zones/genzones.sh b/bin/tests/system/verify/zones/genzones.sh
new file mode 100644
index 0000000..494174d
--- /dev/null
+++ b/bin/tests/system/verify/zones/genzones.sh
@@ -0,0 +1,247 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+SYSTESTDIR=verify
+
+dumpit () {
+	echo_d "${debug}: dumping ${1}"
+	cat "${1}" | cat_d
+}
+
+setup () {
+	echo_i "setting up $2 zone: $1"
+	debug="$1"
+	zone="$1"
+	file="$1.$2"
+	n=$((${n:-0} + 1))
+}
+
+# A unsigned zone should fail validation.
+setup unsigned bad
+cp unsigned.db unsigned.bad
+
+# A set of nsec zones.
+setup zsk-only.nsec good
+$KEYGEN -a ${DEFAULT_ALGORITHM} ${zone}> kg.out$n 2>&1 || dumpit kg.out$n
+$SIGNER -SP -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup ksk-only.nsec good
+$KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} > kg.out$n 2>&1 || dumpit kg.out$n
+$SIGNER -SPz -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup ksk+zsk.nsec good
+$KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} > kg1.out$n 2>&1 || dumpit kg1.out$n
+$KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} > kg2.out$n 2>&1 || dumpit kg2.out$n
+$SIGNER -SPx -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup ksk+zsk.nsec.apex-dname good
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg1.out$n) || dumpit kg1.out$n
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cp unsigned.db ${file}.tmp
+echo "@ DNAME data" >> ${file}.tmp
+$SIGNER -SP -o ${zone} -f ${file} ${file}.tmp > s.out$n || dumpit s.out$n
+
+# A set of nsec3 zones.
+setup zsk-only.nsec3 good
+$KEYGEN -a ${DEFAULT_ALGORITHM} ${zone}> kg.out$n 2>&1 || dumpit kg.out$n
+$SIGNER -3 - -SP -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup ksk-only.nsec3 good
+$KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} > kg.out$n 2>&1 || dumpit kg.out$n
+$SIGNER -3 - -SPz -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup ksk+zsk.nsec3 good
+$KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} > kg1.out$n 2>&1 || dumpit kg1.out$n
+$KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} > kg2.out$n 2>&1 || dumpit kg2.out$n
+$SIGNER -3 - -SPx -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup ksk+zsk.optout good
+$KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} > kg1.out$n 2>&1 || dumpit kg1.out$n
+$KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} > kg2.out$n 2>&1 || dumpit kg2.out$n
+$SIGNER -3 - -A -SPx -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup ksk+zsk.nsec3.apex-dname good
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg1.out$n) || dumpit kg1.out$n
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cp unsigned.db ${file}.tmp
+echo "@ DNAME data" >> ${file}.tmp
+$SIGNER -3 - -SP -o ${zone} -f ${file} ${file}.tmp > s.out$n || dumpit s.out$n
+
+#
+# generate an NSEC record like
+#	aba NSEC FOO ...
+# then downcase all the FOO records so the next name in the database
+# becomes foo when the zone is loaded.
+#
+setup nsec-next-name-case-mismatch good
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cat << EOF > ${zone}.tmp
+\$TTL 0
+@ IN SOA  foo . ( 1 28800 7200 604800 1800 )
+@ NS foo
+\$include $ksk.key
+\$include $zsk.key
+FOO AAAA ::1
+FOO A 127.0.0.2
+aba CNAME FOO
+EOF
+$SIGNER -zP -o ${zone} -f ${file}.tmp ${zone}.tmp > s.out$n || dumpit s.out$n
+sed 's/^FOO\./foo\./' < ${file}.tmp > ${file}
+
+# A set of zones with only DNSKEY records.
+setup zsk-only.dnskeyonly bad
+key1=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2>kg.out) || dumpit kg.out$n
+cat unsigned.db $key1.key > ${file}
+
+setup ksk-only.dnskeyonly bad
+key1=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2>kg.out) || dumpit kg.out$n
+cat unsigned.db $key1.key > ${file}
+
+setup ksk+zsk.dnskeyonly bad
+key1=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2>kg.out) || dumpit kg.out$n
+key2=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2>kg.out) || dumpit kg.out$n
+cat unsigned.db $key1.key $key2.key > ${file}
+
+# A set of zones with expired records
+s="-s -2678400"
+setup zsk-only.nsec.expired bad
+$KEYGEN -a ${DEFAULT_ALGORITHM} ${zone}> kg.out$n 2>&1 || dumpit kg.out$n
+$SIGNER -SP ${s} -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup ksk-only.nsec.expired bad
+$KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} > kg.out$n 2>&1 || dumpit kg.out$n
+$SIGNER -SPz ${s} -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup ksk+zsk.nsec.expired bad
+$KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} > kg1.out$n 2>&1 || dumpit kg1.out$n
+$KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} > kg2.out$n 2>&1 || dumpit kg2.out$n
+$SIGNER -SP ${s} -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup zsk-only.nsec3.expired bad
+$KEYGEN -a ${DEFAULT_ALGORITHM} ${zone}> kg.out$n 2>&1 || dumpit kg.out$n
+$SIGNER -3 - ${s} -SP -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup ksk-only.nsec3.expired bad
+$KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} > kg.out$n 2>&1 || dumpit kg.out$n
+$SIGNER -3 - ${s} -SPz -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+setup ksk+zsk.nsec3.expired bad
+$KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} > kg1.out$n 2>&1 || dumpit kg1.out$n
+$KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} > kg2.out$n 2>&1 || dumpit kg2.out$n
+$SIGNER -3 - ${s} -SPx -o ${zone} -f ${file} unsigned.db > s.out$n || dumpit s.out$n
+
+# ksk expired
+setup ksk+zsk.nsec.ksk-expired bad
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg1.out$n) || dumpit kg1.out$n
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cat unsigned.db $ksk.key $zsk.key > $file
+$SIGNER -Px -o ${zone} -f ${file} ${file} $zsk > s.out$n || dumpit s.out$n
+$SIGNER ${s} -P -O full -o ${zone} -f ${file} ${file} $ksk > s.out$n || dumpit s.out$n
+now=$(date -u +%Y%m%d%H%M%S)
+exp=$(awk '$4 == "RRSIG" && $5 == "DNSKEY" { print $9;}' ${file})
+[ "${exp:-40001231246060}" -lt ${now:-0} ] || dumpit $file
+
+setup ksk+zsk.nsec3.ksk-expired bad
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg1.out$n) || dumpit kg1.out$n
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cat unsigned.db $ksk.key $zsk.key > $file
+$SIGNER -3 - -Px -o ${zone} -f ${file} ${file} $zsk > s.out$n || dumpit s.out$n
+$SIGNER -3 - ${s} -P -O full -o ${zone} -f ${file} ${file} $ksk > s.out$n || dumpit s.out$n
+now=$(date -u +%Y%m%d%H%M%S)
+exp=$(awk '$4 == "RRSIG" && $5 == "DNSKEY" { print $9;}' ${file})
+[ "${exp:-40001231246060}" -lt ${now:-0} ] || dumpit $file
+
+# broken nsec chain
+setup ksk+zsk.nsec.broken-chain bad
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg1.out$n) || dumpit kg1.out$n
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cat unsigned.db $ksk.key $zsk.key > $file
+$SIGNER -P -O full -o ${zone} -f ${file} ${file} $ksk > s.out$n || dumpit s.out$n
+awk '$4 == "NSEC" { $5 = "'$zone'."; print } { print }' ${file} > ${file}.tmp
+$SIGNER -Px -Z nonsecify -o ${zone} -f ${file} ${file}.tmp $zsk > s.out$n || dumpit s.out$n
+
+# bad nsec bitmap
+setup ksk+zsk.nsec.bad-bitmap bad
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg1.out$n) || dumpit kg1.out$n
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cat unsigned.db $ksk.key $zsk.key > $file
+$SIGNER -P -O full -o ${zone} -f ${file} ${file} $ksk > s.out$n || dumpit s.out$n
+awk '$4 == "NSEC" && /SOA/ { $6=""; print } { print }' ${file} > ${file}.tmp
+$SIGNER -Px -Z nonsecify -o ${zone} -f ${file} ${file}.tmp $zsk > s.out$n || dumpit s.out$n
+
+# extra NSEC record out side of zone
+setup ksk+zsk.nsec.out-of-zone-nsec bad
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg1.out$n) || dumpit kg1.out$n
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cat unsigned.db $ksk.key $zsk.key > $file
+$SIGNER -P -O full -o ${zone} -f ${file} ${file} $ksk > s.out$n || dumpit s.out$n
+echo "out-of-zone. 3600 IN NSEC ${zone}. A" >> ${file}
+$SIGNER -Px -Z nonsecify -O full -o ${zone} -f ${file} ${file} $zsk > s.out$n || dumpit s.out$n
+
+# extra NSEC record below bottom of zone
+setup ksk+zsk.nsec.below-bottom-of-zone-nsec bad
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg1.out$n) || dumpit kg1.out$n
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cat unsigned.db $ksk.key $zsk.key > $file
+$SIGNER -P -O full -o ${zone} -f ${file} ${file} $ksk > s.out$n || dumpit s.out$n
+echo "ns.sub.${zone}. 3600 IN NSEC ${zone}. A AAAA" >> ${file}
+$SIGNER -Px -Z nonsecify -O full -o ${zone} -f ${file}.tmp ${file} $zsk > s.out$n || dumpit s.out$n
+# dnssec-signzone signs any node with a NSEC record.
+awk '$1 ~ /^ns.sub/ && $4 == "RRSIG" && $5 != "NSEC" { next; } { print; }' ${file}.tmp > ${file}
+
+# extra NSEC record below DNAME
+setup ksk+zsk.nsec.below-dname-nsec bad
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg1.out$n) || dumpit kg1.out$n
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cat unsigned.db $ksk.key $zsk.key > $file
+$SIGNER -P -O full -o ${zone} -f ${file} ${file} $ksk > s.out$n || dumpit s.out$n
+echo "sub.dname.${zone}. 3600 IN NSEC ${zone}. TXT" >> ${file}
+$SIGNER -Px -Z nonsecify -O full -o ${zone} -f ${file} ${file} $zsk > s.out$n || dumpit s.out$n
+
+# missing NSEC3 record at empty node
+# extract the hash fields from the empty node's NSEC 3 record then fix up
+# the NSEC3 chain to remove it
+setup ksk+zsk.nsec3.missing-empty bad
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg1.out$n) || dumpit kg1.out$n
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cat unsigned.db $ksk.key $zsk.key > $file
+$SIGNER -3 - -P -O full -o ${zone} -f ${file} ${file} $ksk > s.out$n || dumpit s.out$n
+a=$(awk '$4 == "NSEC3" && NF == 9 { split($1, a, "."); print a[1]; }' ${file})
+b=$(awk '$4 == "NSEC3" && NF == 9 { print $9; }' ${file})
+awk '
+$4 == "NSEC3" && $9 == "'$a'" { $9 = "'$b'"; print; next; }
+$4 == "NSEC3" && NF == 9 { next; }
+{ print; }' ${file} > ${file}.tmp
+$SIGNER -3 - -Px -Z nonsecify -O full -o ${zone} -f ${file} ${file}.tmp $zsk > s.out$n || dumpit s.out$n
+
+# extra NSEC3 record
+setup ksk+zsk.nsec3.extra-nsec3 bad
+zsk=$($KEYGEN -a ${DEFAULT_ALGORITHM} ${zone} 2> kg1.out$n) || dumpit kg1.out$n
+ksk=$($KEYGEN -a ${DEFAULT_ALGORITHM} -fK ${zone} 2> kg2.out$n) || dumpit kg2.out$n
+cat unsigned.db $ksk.key $zsk.key > $file
+$SIGNER -3 - -P -O full -o ${zone} -f ${file} ${file} $ksk > s.out$n || dumpit s.out$n
+awk '
+BEGIN {
+	ZONE="'${zone}'.";
+}
+$4 == "NSEC3" && NF == 9 {
+	$1 = "H9P7U7TR2U91D0V0LJS9L1GIDNP90U3H." ZONE;
+	$9 = "H9P7U7TR2U91D0V0LJS9L1GIDNP90U3I";
+	print;
+}' ${file} > ${file}.tmp
+cat ${file}.tmp >> ${file}
+rm -f ${file}.tmp
+$SIGNER -3 - -Px -Z nonsecify -O full -o ${zone} -f ${file} ${file} $zsk > s.out$n || dumpit s.out$n
diff --git a/bin/tests/system/verify/zones/unsigned.db b/bin/tests/system/verify/zones/unsigned.db
new file mode 100644
index 0000000..1e7cd2b
--- /dev/null
+++ b/bin/tests/system/verify/zones/unsigned.db
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@		SOA	. . 0 0 0 2419200 3600	; 28 day expire
+@		NS	.
+data		A	1.2.3.4
+dname		DNAME	data
+longttl 2419200 A	1.2.3.4
+sub.dname	TXT	sub.dname
+sub.empty	TXT	sub.empty
+sub		NS	ns.sub
+ns.sub  	A	1.2.3.4
+ns.sub  	AAAA	2002::1.2.3.4
+ns.sub		WKS	1.2.3.4 udp domain
+other.sub	TXT	other.sub
+secure		NS	secure
+secure		DS	1312 50 100 96EEB2FFD9B00CD4694E78278B5EFDAB0A80446567B69F634DA078F0
+secure  	A	1.2.3.4
+secure  	AAAA	2002::1.2.3.4
+out-of-zone.	A	1.2.3.4
diff --git a/bin/tests/system/views/clean.sh b/bin/tests/system/views/clean.sh
new file mode 100644
index 0000000..d644c2a
--- /dev/null
+++ b/bin/tests/system/views/clean.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+#
+# Clean up after zone transfer tests.
+#
+
+rm -f ns*/named.conf
+rm -f ns3/example.bk dig.out.ns?.?
+rm -f ns2/example.db ns3/internal.bk
+rm -f -- */*.jnl
+rm -f -- */named.memstats
+rm -f -- */named.run */named.run.prev
+rm -f ns2/external/K*
+rm -f ns2/external/inline.db.jbk
+rm -f ns2/external/inline.db.signed
+rm -f ns2/external/inline.db.signed.jnl
+rm -f ns2/internal/K*
+rm -f ns2/internal/inline.db.jbk
+rm -f ns2/internal/inline.db.signed
+rm -f ns2/internal/inline.db.signed.jnl
+rm -f ns2/zones.conf
+rm -f ns2/db.* ns2/K*
+rm -f dig.out.external dig.out.internal
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
diff --git a/bin/tests/system/views/ns1/named.conf.in b/bin/tests/system/views/ns1/named.conf.in
new file mode 100644
index 0000000..888b9b0
--- /dev/null
+++ b/bin/tests/system/views/ns1/named.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/views/ns1/root.db b/bin/tests/system/views/ns1/root.db
new file mode 100644
index 0000000..17780d1
--- /dev/null
+++ b/bin/tests/system/views/ns1/root.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
diff --git a/bin/tests/system/views/ns2/1.10.in-addr.arpa.db b/bin/tests/system/views/ns2/1.10.in-addr.arpa.db
new file mode 100644
index 0000000..7ca723d
--- /dev/null
+++ b/bin/tests/system/views/ns2/1.10.in-addr.arpa.db
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	IN	SOA	. . 0 0 0 0 0
+@	IN	NS 	.
diff --git a/bin/tests/system/views/ns2/clone.db b/bin/tests/system/views/ns2/clone.db
new file mode 100644
index 0000000..0f2de76
--- /dev/null
+++ b/bin/tests/system/views/ns2/clone.db
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	600
+@		IN SOA	mname1. . (
+			2          ; serial
+			20         ; refresh (20 seconds)
+			20         ; retry (20 seconds)
+			1814400    ; expire (3 weeks)
+			3600       ; minimum (1 hour)
+			)
+@		IN	NS		ns2
+ns2		IN	A	10.53.0.2
+
+a		IN	A	10.1.0.1
+child		IN	NS	ns3.child
+ns3.child	IN	A	10.53.0.3
diff --git a/bin/tests/system/views/ns2/example1.db b/bin/tests/system/views/ns2/example1.db
new file mode 100644
index 0000000..4d60ce3
--- /dev/null
+++ b/bin/tests/system/views/ns2/example1.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+
+$ORIGIN example.
+a			A	10.0.0.1
+			MX	10 mail.example.
+
+mail			A	10.0.0.2
diff --git a/bin/tests/system/views/ns2/example2.db b/bin/tests/system/views/ns2/example2.db
new file mode 100644
index 0000000..966240e
--- /dev/null
+++ b/bin/tests/system/views/ns2/example2.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				2          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.4
+
+$ORIGIN example.
+a			A	10.0.0.1
+			MX	10 mail.example.
+
+mail			A	10.0.0.2
diff --git a/bin/tests/system/views/ns2/external/inline.db b/bin/tests/system/views/ns2/external/inline.db
new file mode 100644
index 0000000..16d53b9
--- /dev/null
+++ b/bin/tests/system/views/ns2/external/inline.db
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+inline.			IN SOA	mname1. . (
+				2          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+inline.			NS	ns2.inline.
+ns2.inline.		A	10.53.0.2
+inline.			NS	ns3.inline.
+ns3.inline.		A	10.53.0.3
+
+$ORIGIN inline.
+a			A	10.1.0.1
+			MX	10 extmail.inline.
+
+extmail			A	10.1.0.2
diff --git a/bin/tests/system/views/ns2/internal.db b/bin/tests/system/views/ns2/internal.db
new file mode 100644
index 0000000..4f1014f
--- /dev/null
+++ b/bin/tests/system/views/ns2/internal.db
@@ -0,0 +1,30 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				2          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+example.		NS	ns3.example.
+ns3.example.		A	10.53.0.3
+
+$ORIGIN example.
+a			A	10.1.0.1
+			MX	10 intmail.example.
+
+intmail			A	10.1.0.2
diff --git a/bin/tests/system/views/ns2/internal/inline.db b/bin/tests/system/views/ns2/internal/inline.db
new file mode 100644
index 0000000..7a30873
--- /dev/null
+++ b/bin/tests/system/views/ns2/internal/inline.db
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+inline.			IN SOA	mname1. . (
+				2          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+inline.			NS	ns2.inline.
+ns2.inline.		A	10.53.0.2
+inline.			NS	ns3.inline.
+ns3.inline.		A	10.53.0.3
+
+$ORIGIN inline.
+a			A	10.1.0.1
+			MX	10 intmail.inline.
+
+intmail			A	10.1.0.2
diff --git a/bin/tests/system/views/ns2/named1.conf.in b/bin/tests/system/views/ns2/named1.conf.in
new file mode 100644
index 0000000..4a257c0
--- /dev/null
+++ b/bin/tests/system/views/ns2/named1.conf.in
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+	allow-update { any; };
+};
+
+zone "inline" {
+	type primary;
+	file "external/inline.db";
+	key-directory "external";
+	auto-dnssec maintain;
+	inline-signing yes;
+	dnssec-dnskey-kskonly no;
+};
diff --git a/bin/tests/system/views/ns2/named2.conf.in b/bin/tests/system/views/ns2/named2.conf.in
new file mode 100644
index 0000000..8a4d773
--- /dev/null
+++ b/bin/tests/system/views/ns2/named2.conf.in
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view "internal" {
+	match-clients { 10.53.0.2;
+			10.53.0.3; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "example" {
+		type primary;
+		file "internal.db";
+		allow-update { any; };
+	};
+
+	zone "clone" {
+		type primary;
+		file "clone.db";
+		allow-update { any; };
+	};
+
+	zone "1.10.in-addr.arpa" {
+		type primary;
+		file "1.10.in-addr.arpa.db";
+	};
+
+	zone "inline" {
+		type primary;
+		file "internal/inline.db";
+		key-directory "internal";
+		auto-dnssec maintain;
+		inline-signing yes;
+		dnssec-dnskey-kskonly no;
+	};
+};
+
+view "external" {
+	match-clients { any; };
+
+	zone "." {
+		type hint;
+		file "../../common/root.hint";
+	};
+
+	zone "example" {
+		type primary;
+		file "example.db";
+	};
+
+	zone "clone" {
+		in-view internal;
+		forward only;
+		forwarders { 10.53.0.5; };
+	};
+
+	zone "1.10.in-addr.arpa" {
+		in-view internal;
+	};
+
+	zone "inline" {
+		type primary;
+		file "external/inline.db";
+		key-directory "external";
+		auto-dnssec maintain;
+		inline-signing yes;
+		dnssec-dnskey-kskonly no;
+	};
+};
diff --git a/bin/tests/system/views/ns2/named3.conf.in b/bin/tests/system/views/ns2/named3.conf.in
new file mode 100644
index 0000000..d84cda9
--- /dev/null
+++ b/bin/tests/system/views/ns2/named3.conf.in
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+include "zones.conf";
diff --git a/bin/tests/system/views/ns3/child.clone.db b/bin/tests/system/views/ns3/child.clone.db
new file mode 100644
index 0000000..9b90023
--- /dev/null
+++ b/bin/tests/system/views/ns3/child.clone.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns3. . (
+			1          ; serial
+			20         ; refresh (20 seconds)
+			20         ; retry (20 seconds)
+			1814400    ; expire (3 weeks)
+			3600       ; minimum (1 hour)
+			)
+@		NS	ns3
+@		TXT	This is NS3.
+ns3		A	10.53.0.3
diff --git a/bin/tests/system/views/ns3/internal.db b/bin/tests/system/views/ns3/internal.db
new file mode 100644
index 0000000..c93c2b0
--- /dev/null
+++ b/bin/tests/system/views/ns3/internal.db
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				1          ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns3.example.
+ns3.example.		A	10.53.0.3
+
+$ORIGIN example.
+a			A	10.1.0.1
+			MX	10 intmail.example.
+
+intmail			A	10.1.0.2
diff --git a/bin/tests/system/views/ns3/named1.conf.in b/bin/tests/system/views/ns3/named1.conf.in
new file mode 100644
index 0000000..b4fbf41
--- /dev/null
+++ b/bin/tests/system/views/ns3/named1.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	allow-update { any; };
+	file "internal.db";
+};
+
+zone "child.clone" {
+	type primary;
+	file "child.clone.db";
+};
diff --git a/bin/tests/system/views/ns3/named2.conf.in b/bin/tests/system/views/ns3/named2.conf.in
new file mode 100644
index 0000000..0ef2009
--- /dev/null
+++ b/bin/tests/system/views/ns3/named2.conf.in
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "internal.bk";
+};
+
+zone "child.clone" {
+	type primary;
+	file "child.clone.db";
+};
diff --git a/bin/tests/system/views/ns5/child.clone.db b/bin/tests/system/views/ns5/child.clone.db
new file mode 100644
index 0000000..e29143b
--- /dev/null
+++ b/bin/tests/system/views/ns5/child.clone.db
@@ -0,0 +1,22 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@		IN SOA	ns3. . (
+			1          ; serial
+			20         ; refresh (20 seconds)
+			20         ; retry (20 seconds)
+			1814400    ; expire (3 weeks)
+			3600       ; minimum (1 hour)
+			)
+@		NS	ns3
+@		TXT	This is NS5.
+ns3		A	10.53.0.3
diff --git a/bin/tests/system/views/ns5/named.conf.in b/bin/tests/system/views/ns5/named.conf.in
new file mode 100644
index 0000000..4c4ee4e
--- /dev/null
+++ b/bin/tests/system/views/ns5/named.conf.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	directory ".";
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.5 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "child.clone" {
+	type primary;
+	file "child.clone.db";
+};
diff --git a/bin/tests/system/views/setup.sh b/bin/tests/system/views/setup.sh
new file mode 100644
index 0000000..e0cca83
--- /dev/null
+++ b/bin/tests/system/views/setup.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+cp -f ns2/example1.db ns2/example.db
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named1.conf.in ns2/named.conf
+copy_setports ns3/named1.conf.in ns3/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+
+#
+# We remove k1 and k2 as KEYGEN is deterministic when given the
+# same source of "random" data and we want different keys for
+# internal and external instances of inline.
+#
+$KEYGEN -K ns2/internal -a ${DEFAULT_ALGORITHM} -q inline > /dev/null 2>&1
+$KEYGEN -K ns2/internal -a ${DEFAULT_ALGORITHM} -qfk inline > /dev/null 2>&1
+k1=$($KEYGEN -K ns2/external -a ${DEFAULT_ALGORITHM} -q inline 2> /dev/null)
+k2=$($KEYGEN -K ns2/external -a ${DEFAULT_ALGORITHM} -qfk inline 2> /dev/null)
+$KEYGEN -K ns2/external -a ${DEFAULT_ALGORITHM} -q inline > /dev/null 2>&1
+$KEYGEN -K ns2/external -a ${DEFAULT_ALGORITHM} -qfk inline > /dev/null 2>&1
+test -n "$k1" && rm -f ns2/external/"$k1".*
+test -n "$k2" && rm -f ns2/external/"$k2".*
diff --git a/bin/tests/system/views/tests.sh b/bin/tests/system/views/tests.sh
new file mode 100644
index 0000000..06cb3b1
--- /dev/null
+++ b/bin/tests/system/views/tests.sh
@@ -0,0 +1,189 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+# shellcheck source=conf.sh
+. ../conf.sh
+
+dig_with_opts() {
+	"$DIG" +tcp +noadd +nosea +nostat +noquest +nocomm +nocmd +noauth -p "${PORT}" "$@"
+}
+
+dig_with_shortopts() {
+	"$DIG" +tcp +short -p "${PORT}" "$@"
+}
+
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+status=0
+
+echo_i "fetching a.example from ns2's initial configuration"
+dig_with_opts a.example. @10.53.0.2 any > dig.out.ns2.1 || status=1
+
+echo_i "fetching a.example from ns3's initial configuration"
+dig_with_opts a.example. @10.53.0.3 any > dig.out.ns3.1 || status=1
+
+echo_i "copying in new configurations for ns2 and ns3"
+rm -f ns2/named.conf ns3/named.conf ns2/example.db
+cp -f ns2/example2.db ns2/example.db
+copy_setports ns2/named2.conf.in ns2/named.conf
+copy_setports ns3/named2.conf.in ns3/named.conf
+
+echo_i "reloading ns2 and ns3 with rndc"
+nextpart ns2/named.run > /dev/null
+nextpart ns3/named.run > /dev/null
+rndc_reload ns2 10.53.0.2
+rndc_reload ns3 10.53.0.3
+
+echo_i "wait for reload to complete"
+ret=0
+_check_reload() (
+  nextpartpeek ns2/named.run | grep "all zones loaded" > /dev/null && \
+  nextpartpeek ns3/named.run | grep "all zones loaded" > /dev/null && \
+  nextpartpeek ns3/named.run | grep "zone_dump: zone example/IN: enter" > /dev/null
+)
+retry_quiet 10 _check_reload || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "fetching a.example from ns2's 10.53.0.4, source address 10.53.0.4"
+dig_with_opts -b 10.53.0.4 a.example. @10.53.0.4 any > dig.out.ns4.2 || status=1
+
+echo_i "fetching a.example from ns2's 10.53.0.2, source address 10.53.0.2"
+dig_with_opts -b 10.53.0.2 a.example. @10.53.0.2 any > dig.out.ns2.2 || status=1
+
+echo_i "fetching a.example from ns3's 10.53.0.3, source address defaulted"
+dig_with_opts @10.53.0.3 a.example. any > dig.out.ns3.2 || status=1
+
+echo_i "comparing ns3's initial a.example to one from reconfigured 10.53.0.2"
+digcomp dig.out.ns3.1 dig.out.ns2.2 || status=1
+
+echo_i "comparing ns3's initial a.example to one from reconfigured 10.53.0.3"
+digcomp dig.out.ns3.1 dig.out.ns3.2 || status=1
+
+echo_i "comparing ns2's initial a.example to one from reconfigured 10.53.0.4"
+digcomp dig.out.ns2.1 dig.out.ns4.2 || status=1
+
+echo_i "comparing ns2's initial a.example to one from reconfigured 10.53.0.3"
+echo_i "(should be different)"
+if $PERL ../digcomp.pl dig.out.ns2.1 dig.out.ns3.2 >/dev/null
+then
+	echo_i "no differences found.  something's wrong."
+	status=1
+fi
+
+echo_i "updating cloned zone in internal view"
+$NSUPDATE << EOF
+server 10.53.0.2 ${PORT}
+zone clone
+update add b.clone. 300 in a 10.1.0.3
+send
+EOF
+echo_i "sleeping to allow update to take effect"
+sleep 5
+
+echo_i "verifying update affected both views"
+ret=0
+one=$(dig_with_shortopts -b 10.53.0.2 @10.53.0.2 b.clone a)
+two=$(dig_with_shortopts -b 10.53.0.4 @10.53.0.2 b.clone a)
+if [ "$one" != "$two" ]; then
+        echo_i "'$one' does not match '$two'"
+        ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "verifying forwarder in cloned zone works"
+ret=0
+one=$(dig_with_shortopts -b 10.53.0.2 @10.53.0.2 child.clone txt)
+two=$(dig_with_shortopts -b 10.53.0.4 @10.53.0.2 child.clone txt)
+three=$(dig_with_shortopts @10.53.0.3 child.clone txt)
+four=$(dig_with_shortopts @10.53.0.5 child.clone txt)
+echo "$three" | grep NS3 > /dev/null || { ret=1; echo_i "expected response from NS3 got '$three'"; }
+echo "$four" | grep NS5 > /dev/null || { ret=1; echo_i "expected response from NS5 got '$four'"; }
+if [ "$one" = "$two" ]; then
+        echo_i "'$one' matches '$two'"
+        ret=1
+fi
+if [ "$one" != "$three" ]; then
+        echo_i "'$one' does not match '$three'"
+        ret=1
+fi
+if [ "$two" != "$four" ]; then
+        echo_i "'$two' does not match '$four'"
+        ret=1
+fi
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "verifying inline zones work with views"
+ret=0
+wait_for_signed() {
+    "$DIG" -p "${PORT}" @10.53.0.2 -b 10.53.0.2 +dnssec DNSKEY inline > dig.out.internal
+    "$DIG" -p "${PORT}" @10.53.0.2 -b 10.53.0.5 +dnssec DNSKEY inline > dig.out.external
+    grep "ANSWER: 4," dig.out.internal > /dev/null || return 1
+    grep "ANSWER: 4," dig.out.external > /dev/null || return 1
+    return 0
+}
+retry_quiet 10 wait_for_signed || ret=1
+int=$(awk '$4 == "DNSKEY" { print $8 }' dig.out.internal | sort)
+ext=$(awk '$4 == "DNSKEY" { print $8 }' dig.out.external | sort)
+test "$int" != "$ext" || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "verifying adding of multiple inline zones followed by reconfiguration works"
+
+[ ! -f ns2/zones.conf ] && touch ns2/zones.conf
+copy_setports ns2/named3.conf.in ns2/named.conf
+
+i=1
+while [ $i -lt 50 ]; do
+	ret=0
+	zone_name=$(printf "example%03d.com" $i)
+
+	# Add a new zone to the configuration.
+	cat >> ns2/zones.conf <<-EOF
+	zone "${zone_name}" {
+	    type primary;
+	    file "db.${zone_name}";
+	    dnssec-dnskey-kskonly yes;
+	    auto-dnssec maintain;
+	    inline-signing yes;
+	};
+	EOF
+
+	# Create a master file for the zone.
+	cat > "ns2/db.${zone_name}" <<-EOF
+	\$TTL 86400
+	@		IN	SOA	localhost. hostmaster.localhost (
+						1612542642 ; serial
+						12H ; refresh
+						1H  ; retry
+						2w  ; expiry
+						1h  ; minimum
+					)
+	@		IN      NS      localhost
+	localhost       IN      A       127.0.0.1
+	EOF
+
+	$KEYGEN -q -Kns2 -fk -aecdsa256 "${zone_name}" > /dev/null
+	$RNDCCMD 10.53.0.2 reconfig || ret=1
+	if [ $ret != 0 ]; then echo_i "failed"; break; fi
+	i=$((i + 1))
+done
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ "$status" -eq 0 ] || exit 1
diff --git a/bin/tests/system/views/tests_sh_views.py b/bin/tests/system/views/tests_sh_views.py
new file mode 100644
index 0000000..bfaacf4
--- /dev/null
+++ b/bin/tests/system/views/tests_sh_views.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_views(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/wildcard/clean.sh b/bin/tests/system/wildcard/clean.sh
new file mode 100644
index 0000000..c690ade
--- /dev/null
+++ b/bin/tests/system/wildcard/clean.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f ns*/named.run
+rm -f ns*/named.conf
+rm -f ns1/K*
+rm -f ns1/*.db
+rm -f ns1/*.signed
+rm -f ns1/dsset-*
+rm -f ns1/keyset-*
+rm -f ns1/trusted.conf
+rm -f ns1/private.nsec.conf
+rm -f ns1/private.nsec3.conf
+rm -f ns1/signer.err
+rm -f */named.memstats
+rm -f dig.out.ns*.test*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/wildcard/ns1/allwild.db.in b/bin/tests/system/wildcard/ns1/allwild.db.in
new file mode 100644
index 0000000..71575c3
--- /dev/null
+++ b/bin/tests/system/wildcard/ns1/allwild.db.in
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN allwild.test.
+allwild.test.                 3600 IN  SOA   . . 0 0 0 0 0
+allwild.test.                 3600     NS    ns.example.test.
+*.allwild.test.           3600     A     192.0.2.1
diff --git a/bin/tests/system/wildcard/ns1/dlv.db.in b/bin/tests/system/wildcard/ns1/dlv.db.in
new file mode 100644
index 0000000..6156de6
--- /dev/null
+++ b/bin/tests/system/wildcard/ns1/dlv.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 120
+@	SOA a.root-servers.nil. hostmaster.root-servers.nil. 1 1800 900 604800 86400
+@	NS  a.root-servers.nil.
diff --git a/bin/tests/system/wildcard/ns1/example.db.in b/bin/tests/system/wildcard/ns1/example.db.in
new file mode 100644
index 0000000..36616cb
--- /dev/null
+++ b/bin/tests/system/wildcard/ns1/example.db.in
@@ -0,0 +1,25 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN example.
+example.                 3600 IN  SOA   . . 0 0 0 0 0
+example.                 3600     NS    ns.example.com.
+example.                 3600     NS    ns.example.net.
+*.example.               3600     TXT   "this is a wildcard"
+*.example.               3600     MX    10 host1.example.
+sub.*.example.           3600     TXT   "this is not a wildcard"
+host1.example.           3600     A     192.0.2.1
+_ssh._tcp.host1.example. 3600     SRV   0 0 22 host1.example.
+_ssh._tcp.host2.example. 3600     SRV   0 0 22 host2.example.
+subdel.example.          3600     NS    ns.example.com.
+subdel.example.          3600     NS    ns.example.net.
+
+_foo._udp.*.example.	 3600 IN  SRV   0 1 9 old-slow-box.example.
diff --git a/bin/tests/system/wildcard/ns1/named.conf.in b/bin/tests/system/wildcard/ns1/named.conf.in
new file mode 100644
index 0000000..ac02abf
--- /dev/null
+++ b/bin/tests/system/wildcard/ns1/named.conf.in
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "." { type primary; file "root.db.signed"; };
+
+/*
+ * RFC 4592 example zone.
+ */
+zone "allwild.test" { type primary; file "allwild.db"; };
+zone "example" { type primary; file "example.db"; };
+zone "nsec" { type primary; file "nsec.db.signed"; };
+zone "private.nsec" { type primary; file "private.nsec.db.signed"; };
+
+/*
+ * The contents of nsec3 and private.nsec3 are specially chosen to
+ * have separate NSEC3 records for the "no qname proof" and the
+ * "closest encloser proof".
+ */
+zone "nsec3" { type primary; file "nsec3.db.signed"; };
+zone "private.nsec3" { type primary; file "private.nsec3.db.signed"; };
diff --git a/bin/tests/system/wildcard/ns1/nsec.db.in b/bin/tests/system/wildcard/ns1/nsec.db.in
new file mode 100644
index 0000000..8869ab9
--- /dev/null
+++ b/bin/tests/system/wildcard/ns1/nsec.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 120
+@	SOA a.root-servers.nil. hostmaster.root-servers.nil. 1 1800 900 604800 86400
+@	NS  a.root-servers.nil.
+private NS  a.root-servers.nil.
+*.wild	CNAME a.
+a.wild	A   1.2.3.5
diff --git a/bin/tests/system/wildcard/ns1/nsec3.db.in b/bin/tests/system/wildcard/ns1/nsec3.db.in
new file mode 100644
index 0000000..8869ab9
--- /dev/null
+++ b/bin/tests/system/wildcard/ns1/nsec3.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 120
+@	SOA a.root-servers.nil. hostmaster.root-servers.nil. 1 1800 900 604800 86400
+@	NS  a.root-servers.nil.
+private NS  a.root-servers.nil.
+*.wild	CNAME a.
+a.wild	A   1.2.3.5
diff --git a/bin/tests/system/wildcard/ns1/private.nsec.db.in b/bin/tests/system/wildcard/ns1/private.nsec.db.in
new file mode 100644
index 0000000..b7cc222
--- /dev/null
+++ b/bin/tests/system/wildcard/ns1/private.nsec.db.in
@@ -0,0 +1,16 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 120
+@	SOA a.root-servers.nil. hostmaster.root-servers.nil. 1 1800 900 604800 86400
+@	NS  a.root-servers.nil.
+*.wild	CNAME a.
+a.wild	A   1.2.3.5
diff --git a/bin/tests/system/wildcard/ns1/private.nsec3.db.in b/bin/tests/system/wildcard/ns1/private.nsec3.db.in
new file mode 100644
index 0000000..566b3f8
--- /dev/null
+++ b/bin/tests/system/wildcard/ns1/private.nsec3.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 120
+@	SOA a.root-servers.nil. hostmaster.root-servers.nil. 1 1800 900 604800 86400
+@	NS  a.root-servers.nil.
+b	A   1.2.3.4
+*.wild	CNAME a.
+a.wild	A   1.2.3.5
diff --git a/bin/tests/system/wildcard/ns1/root.db.in b/bin/tests/system/wildcard/ns1/root.db.in
new file mode 100644
index 0000000..ffeb0a6
--- /dev/null
+++ b/bin/tests/system/wildcard/ns1/root.db.in
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 120
+@	SOA a.root-servers.nil hostmaster.root-servers.nil 1 1800 900 604800 86400
+@	NS  a.root-servers.nil
+a.root-servers.nil A 10.53.0.1
+nsec	NS  a.root-servers.nil
+nsec3	NS  a.root-servers.nil
diff --git a/bin/tests/system/wildcard/ns1/sign.sh b/bin/tests/system/wildcard/ns1/sign.sh
new file mode 100755
index 0000000..d414bb1
--- /dev/null
+++ b/bin/tests/system/wildcard/ns1/sign.sh
@@ -0,0 +1,95 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../../conf.sh
+
+SYSTESTDIR=wildcard
+
+dssets=
+
+# RFC 4592 example zone.
+cp allwild.db.in allwild.db
+cp example.db.in example.db
+
+zone=nsec
+infile=nsec.db.in
+zonefile=nsec.db
+outfile=nsec.db.signed
+dssets="$dssets dsset-${zone}."
+
+keyname1=$($KEYGEN -a ${DEFAULT_ALGORITHM} -n zone $zone 2> /dev/null)
+keyname2=$($KEYGEN -f KSK -a ${DEFAULT_ALGORITHM} -n zone $zone 2> /dev/null)
+
+cat $infile $keyname1.key $keyname2.key > $zonefile
+
+$SIGNER -o $zone -f $outfile $zonefile > /dev/null 2> signer.err || cat signer.err
+echo_i "signed $zone"
+
+zone=private.nsec
+infile=private.nsec.db.in
+zonefile=private.nsec.db
+outfile=private.nsec.db.signed
+
+keyname1=$($KEYGEN -a ${DEFAULT_ALGORITHM} -n zone $zone 2> /dev/null)
+keyname2=$($KEYGEN -f KSK -a ${DEFAULT_ALGORITHM} -n zone $zone 2> /dev/null)
+
+cat $infile $keyname1.key $keyname2.key > $zonefile
+
+$SIGNER -o $zone -f $outfile $zonefile > /dev/null 2> signer.err || cat signer.err
+echo_i "signed $zone"
+
+keyfile_to_static_ds $keyname2 > private.nsec.conf
+
+zone=nsec3
+infile=nsec3.db.in
+zonefile=nsec3.db
+outfile=nsec3.db.signed
+dssets="$dssets dsset-${zone}."
+
+keyname1=$($KEYGEN -a ${DEFAULT_ALGORITHM} -n zone $zone 2> /dev/null)
+keyname2=$($KEYGEN -f KSK -a ${DEFAULT_ALGORITHM} -n zone $zone 2> /dev/null)
+
+cat $infile $keyname1.key $keyname2.key > $zonefile
+
+$SIGNER -3 - -H 10 -o $zone -f $outfile $zonefile > /dev/null 2> signer.err || cat signer.err
+echo_i "signed $zone"
+
+zone=private.nsec3
+infile=private.nsec3.db.in
+zonefile=private.nsec3.db
+outfile=private.nsec3.db.signed
+
+keyname1=$($KEYGEN -a ${DEFAULT_ALGORITHM} -n zone $zone 2> /dev/null)
+keyname2=$($KEYGEN -f KSK -a ${DEFAULT_ALGORITHM} -n zone $zone 2> /dev/null)
+
+cat $infile $keyname1.key $keyname2.key > $zonefile
+
+$SIGNER -3 - -H 10 -o $zone -f $outfile $zonefile > /dev/null 2> signer.err || cat signer.err
+echo_i "signed $zone"
+
+keyfile_to_static_ds $keyname2 > private.nsec3.conf
+
+zone=.
+infile=root.db.in
+zonefile=root.db
+outfile=root.db.signed
+
+keyname1=$($KEYGEN -a ${DEFAULT_ALGORITHM} -n zone $zone 2> /dev/null)
+keyname2=$($KEYGEN -f KSK -a ${DEFAULT_ALGORITHM} -n zone $zone 2> /dev/null)
+
+cat $infile $keyname1.key $keyname2.key $dssets >$zonefile
+
+$SIGNER -o $zone -f $outfile $zonefile > /dev/null 2> signer.err || cat signer.err
+echo_i "signed $zone"
+
+keyfile_to_static_ds $keyname2 > trusted.conf
diff --git a/bin/tests/system/wildcard/ns2/named.conf.in b/bin/tests/system/wildcard/ns2/named.conf.in
new file mode 100644
index 0000000..a9a2a70
--- /dev/null
+++ b/bin/tests/system/wildcard/ns2/named.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/wildcard/ns3/named.conf.in b/bin/tests/system/wildcard/ns3/named.conf.in
new file mode 100644
index 0000000..0b958fa
--- /dev/null
+++ b/bin/tests/system/wildcard/ns3/named.conf.in
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+};
+
+include "../ns1/trusted.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/wildcard/ns4/named.conf.in b/bin/tests/system/wildcard/ns4/named.conf.in
new file mode 100644
index 0000000..b125fa7
--- /dev/null
+++ b/bin/tests/system/wildcard/ns4/named.conf.in
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+	forward only;
+	forwarders { 10.53.0.2; };
+};
+
+include "../ns1/trusted.conf";
+include "../ns1/private.nsec.conf";
+include "../ns1/private.nsec3.conf";
diff --git a/bin/tests/system/wildcard/ns5/named.conf.in b/bin/tests/system/wildcard/ns5/named.conf.in
new file mode 100644
index 0000000..1cd358d
--- /dev/null
+++ b/bin/tests/system/wildcard/ns5/named.conf.in
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.5;
+	notify-source 10.53.0.5;
+	transfer-source 10.53.0.5;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.5; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	notify yes;
+};
+
+include "../ns1/trusted.conf";
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
diff --git a/bin/tests/system/wildcard/setup.sh b/bin/tests/system/wildcard/setup.sh
new file mode 100644
index 0000000..8c7adfe
--- /dev/null
+++ b/bin/tests/system/wildcard/setup.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+copy_setports ns5/named.conf.in ns5/named.conf
+
+(cd ns1 && $SHELL -e sign.sh)
diff --git a/bin/tests/system/wildcard/tests.sh b/bin/tests/system/wildcard/tests.sh
new file mode 100644
index 0000000..b956874
--- /dev/null
+++ b/bin/tests/system/wildcard/tests.sh
@@ -0,0 +1,282 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+status=0
+n=0
+
+rm -f dig.out.*
+
+DIGOPTS="+tcp +noadd +nosea +nostat +nocmd +dnssec -p ${PORT}"
+
+n=$((n + 1))
+echo_i "checking that NSEC wildcard non-existence proof is returned auth ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.nsec +norec @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep -i 'a\.wild\.nsec\..*NSEC.*nsec\..*NSEC'  dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NSEC wildcard non-existence proof is returned non-validating ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.nsec @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep -i 'a\.wild\.nsec\..*NSEC.*nsec\..*NSEC'  dig.out.ns2.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NSEC wildcard non-existence proof is returned validating ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.nsec @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep -i 'a\.wild\.nsec\..*NSEC.*nsec\..*NSEC'  dig.out.ns3.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NSEC wildcard non-existence proof is returned validating + CD ($n)"
+ret=0
+$DIG $DIGOPTS +cd a b.wild.nsec @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep -i 'a\.wild\.nsec\..*NSEC.*nsec\..*NSEC'  dig.out.ns5.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns5.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+n=$((n + 1))
+
+echo_i "checking that returned NSEC wildcard non-existence proof validates ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.nsec @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep -i 'a\.wild\.nsec\..*NSEC.*nsec\..*NSEC'  dig.out.ns4.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NSEC wildcard non-existence proof is returned private, validating ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.private.nsec @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep -i 'a\.wild\.private\.nsec\..*NSEC.*private\.nsec\..*NSEC'  dig.out.ns3.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that returned NSEC wildcard non-existence proof for private zone validates ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.private.nsec @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep -i 'a\.wild\.private\.nsec\..*NSEC.*private\.nsec\..*NSEC'  dig.out.ns4.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NSEC3 wildcard non-existence proof is returned auth ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.nsec3 +norec @10.53.0.1 > dig.out.ns1.test$n || ret=1
+grep -i 'O3TJ8D9AJ54CBTFCQCJ3QK49CH7SF6H9\.nsec3\..*V5DLFB6UJNHR94LQ61FO607KGK12H88A'  dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NSEC3 wildcard non-existence proof is returned non-validating ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.nsec3 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+grep -i 'O3TJ8D9AJ54CBTFCQCJ3QK49CH7SF6H9\.nsec3\..*V5DLFB6UJNHR94LQ61FO607KGK12H88A'  dig.out.ns2.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns2.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NSEC3 wildcard non-existence proof is returned validating ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.nsec3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep -i 'O3TJ8D9AJ54CBTFCQCJ3QK49CH7SF6H9\.nsec3\..*V5DLFB6UJNHR94LQ61FO607KGK12H88A'  dig.out.ns3.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns3.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NSEC3 wildcard non-existence proof is returned validating + CD ($n)"
+ret=0
+$DIG $DIGOPTS +cd a b.wild.nsec3 @10.53.0.5 > dig.out.ns5.test$n || ret=1
+grep -i 'O3TJ8D9AJ54CBTFCQCJ3QK49CH7SF6H9\.nsec3\..*V5DLFB6UJNHR94LQ61FO607KGK12H88A'  dig.out.ns5.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns5.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that returned NSEC3 wildcard non-existence proof validates ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.nsec3 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep -i 'O3TJ8D9AJ54CBTFCQCJ3QK49CH7SF6H9\.nsec3\..*V5DLFB6UJNHR94LQ61FO607KGK12H88A'  dig.out.ns4.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that NSEC3 wildcard non-existence proof is returned private, validating ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.private.nsec3 @10.53.0.3 > dig.out.ns3.test$n || ret=1
+grep -i 'UDBSP4R8OUOT6HSO39VD8B5LMOSHRD5N\.private\.nsec3\..*NSEC3.*ASDRUIB7GO00OR92S5OUGI404LT27RNU' dig.out.ns3.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns3.test$n > /dev/null && ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking that returned NSEC3 wildcard non-existence proof for private zone validates ($n)"
+ret=0
+$DIG $DIGOPTS a b.wild.private.nsec3 @10.53.0.4 > dig.out.ns4.test$n || ret=1
+grep -i 'UDBSP4R8OUOT6HSO39VD8B5LMOSHRD5N\.private\.nsec3\..*NSEC3.*ASDRUIB7GO00OR92S5OUGI404LT27RNU' dig.out.ns4.test$n > /dev/null || ret=1
+grep -i 'flags:.* ad[ ;]'  dig.out.ns4.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking RFC 4592 responses ..."
+
+n=$((n + 1))
+echo_i "checking RFC 4592: host3.example. QTYPE=MX, QCLASS=IN ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 host3.example. MX IN > dig.out.ns1.test$n || ret=1
+grep '^host3.example..*IN.MX.10 host1.example.' dig.out.ns1.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking RFC 4592: host3.example. QTYPE=A, QCLASS=IN ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 host3.example. A IN > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking RFC 4592: foo.bar.example. QTYPE=TXT, QCLASS=IN ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 foo.bar.example TXT IN > dig.out.ns1.test$n || ret=1
+grep '^foo.bar.example..*IN.TXT."this is a wildcard"' dig.out.ns1.test$n > /dev/null || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking RFC 4592: host1.example. QTYPE=MX, QCLASS=IN ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 host1.example MX IN > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking RFC 4592: host1.example. QTYPE=MX, QCLASS=IN ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 host1.example MX IN > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking RFC 4592: sub.*.example. QTYPE=MX, QCLASS=IN ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 "sub.*.example." MX IN > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking RFC 4592: _telnet._tcp.host1.example. QTYPE=SRV, QCLASS=IN ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 _telnet._tcp.host1.example. SRV IN > dig.out.ns1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking RFC 4592: host.subdel.example. QTYPE=A, QCLASS=IN ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 host.subdel.example A IN > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns1.test$n > /dev/null || ret=1
+grep "AUTHORITY: 2," dig.out.ns1.test$n > /dev/null || ret=1
+grep "subdel.example..*IN.NS.ns.example.com." dig.out.ns1.test$n > /dev/null || ret=1
+grep "subdel.example..*IN.NS.ns.example.net." dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking RFC 4592: ghost.*.example. QTYPE=MX, QCLASS=IN ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 "ghost.*.example" MX IN > dig.out.ns1.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns1.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "checking RFC 4592: _foo._udp.bar.example. QTYPE=SRV, QCLASS=IN ($n)"
+ret=0
+$DIG $DIGOPTS @10.53.0.1 "_foo._udp.bar.example" SRV IN > dig.out.ns1.test$n || ret=1
+grep "status: NOERROR" dig.out.ns1.test$n > /dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns1.test$n > /dev/null || ret=1
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+n=$((n + 1))
+echo_i "check wild card expansions by code point ($n)"
+ret=0
+i=0
+while test $i -lt 256
+do
+	x=$(expr 00$i : '.*\(...\)$' || true)
+	$DIG $DIGOPTS @10.53.0.1 "\\$x.example" TXT > dig.out.ns1.$x.test$n
+	if test $i -le 32 -o $i -ge 127
+	then
+		grep '^\\'"$x"'\.example\..*TXT.*"this is a wildcard"$' dig.out.ns1.$x.test$n > /dev/null || { echo_i "code point $x failed" ; ret=1; }
+        # "=34 $=36 (=40 )=41 .=46 ;=59 \=92 @=64
+	elif test $i -eq 34 -o $i -eq 36 -o $i -eq 40 -o $i -eq 41 -o \
+                  $i -eq 46 -o $i -eq 59 -o $i -eq 64 -o $i -eq 92
+	then
+		case $i in
+		34) a='"';;
+		36) a='$';;
+		40) a='(';;
+		41) a=')';;
+		46) a='\.';;
+		59) a=';';;
+		64) a='@';;
+		92) a='\\';;
+		*) a=''; echo_i "code point $x failed" ; ret=1 ;;
+		esac
+		grep '^\\'"$a"'\.example.*.*TXT.*"this is a wildcard"$' dig.out.ns1.$x.test$n > /dev/null || { echo_i "code point $x failed" ; ret=1; }
+	else
+		grep '^\\' dig.out.ns1.$x.test$n && { echo_i "code point $x failed" ; ret=1; }
+	fi
+	i=$((i + 1))
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/wildcard/tests_sh_wildcard.py b/bin/tests/system/wildcard/tests_sh_wildcard.py
new file mode 100644
index 0000000..89a9fef
--- /dev/null
+++ b/bin/tests/system/wildcard/tests_sh_wildcard.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_wildcard(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/wildcard/tests_wildcard.py b/bin/tests/system/wildcard/tests_wildcard.py
new file mode 100755
index 0000000..66166f2
--- /dev/null
+++ b/bin/tests/system/wildcard/tests_wildcard.py
@@ -0,0 +1,112 @@
+#!/usr/bin/python3
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+"""
+Example property-based test for wildcard synthesis.
+Verifies that otherwise-empty zone with single wildcard record * A 192.0.2.1
+produces synthesized answers for <random_label>.test. A, and returns NODATA for
+<random_label>.test. when rdtype is not A.
+
+Limitations - untested properties:
+    - expansion works with multiple labels
+    - asterisk in qname does not cause expansion
+    - empty non-terminals prevent expansion
+    - or more generally any existing node prevents expansion
+    - DNSSEC record inclusion
+    - possibly others, see RFC 4592 and company
+    - content of authority & additional sections
+    - flags beyond RCODE
+    - special behavior of rdtypes like CNAME
+"""
+import pytest
+
+pytest.importorskip("dns")
+import dns.message
+import dns.name
+import dns.query
+import dns.rcode
+import dns.rdataclass
+import dns.rdatatype
+import dns.rrset
+
+pytest.importorskip("hypothesis")
+from hypothesis import given
+from hypothesis.strategies import binary, integers
+
+
+# labels of a zone with * A 192.0.2.1 wildcard
+WILDCARD_ZONE = ("allwild", "test", "")
+WILDCARD_RDTYPE = dns.rdatatype.A
+WILDCARD_RDATA = "192.0.2.1"
+IPADDR = "10.53.0.1"
+TIMEOUT = 5  # seconds, just a sanity check
+
+
+# Helpers
+def is_nonexpanding_rdtype(rdtype):
+    """skip meta types to avoid weird rcodes caused by AXFR etc.; RFC 6895"""
+    return not (
+        rdtype == WILDCARD_RDTYPE
+        or dns.rdatatype.is_metatype(rdtype)  # known metatypes: OPT ...
+        or 128 <= rdtype <= 255
+    )  # unknown meta types
+
+
+def tcp_query(where, port, qname, qtype):
+    querymsg = dns.message.make_query(qname, qtype)
+    assert len(querymsg.question) == 1
+    return querymsg, dns.query.tcp(querymsg, where, port=port, timeout=TIMEOUT)
+
+
+def query(where, port, label, rdtype):
+    labels = (label,) + WILDCARD_ZONE
+    qname = dns.name.Name(labels)
+    return tcp_query(where, port, qname, rdtype)
+
+
+# Tests
+@given(
+    label=binary(min_size=1, max_size=63),
+    rdtype=integers(min_value=0, max_value=65535).filter(is_nonexpanding_rdtype),
+)
+def test_wildcard_rdtype_mismatch(label, rdtype, named_port):
+    """any label non-matching rdtype must result in to NODATA"""
+    check_answer_nodata(*query(IPADDR, named_port, label, rdtype))
+
+
+def check_answer_nodata(querymsg, answer):
+    assert querymsg.is_response(answer), str(answer)
+    assert answer.rcode() == dns.rcode.NOERROR, str(answer)
+    assert answer.answer == [], str(answer)
+
+
+@given(label=binary(min_size=1, max_size=63))
+def test_wildcard_match(label, named_port):
+    """any label with maching rdtype must result in wildcard data in answer"""
+    check_answer_noerror(*query(IPADDR, named_port, label, WILDCARD_RDTYPE))
+
+
+def check_answer_noerror(querymsg, answer):
+    assert querymsg.is_response(answer), str(answer)
+    assert answer.rcode() == dns.rcode.NOERROR, str(answer)
+    assert len(querymsg.question) == 1, str(answer)
+    expected_answer = [
+        dns.rrset.from_text(
+            querymsg.question[0].name,
+            300,  # TTL, ignored by dnspython comparison
+            dns.rdataclass.IN,
+            WILDCARD_RDTYPE,
+            WILDCARD_RDATA,
+        )
+    ]
+    assert answer.answer == expected_answer, str(answer)
diff --git a/bin/tests/system/xfer/ans5/badkeydata b/bin/tests/system/xfer/ans5/badkeydata
new file mode 100644
index 0000000..8dc80fb
--- /dev/null
+++ b/bin/tests/system/xfer/ans5/badkeydata
@@ -0,0 +1,10 @@
+/SOA tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 3 300 300 604800 300
+/AXFR tsig_key abcd1234ffff/
+nil.      	300	SOA	ns.nil. root.nil. 3 300 300 604800 300
+/AXFR tsig_key abcd1234ffff/
+nil.      	300	NS	ns.nil.
+nil.		300	TXT	"bad keydata AXFR"
+a.nil.		60	A	10.0.0.61
+/AXFR tsig_key abcd1234ffff/
+nil.      	300	SOA	ns.nil. root.nil. 3 300 300 604800 300
diff --git a/bin/tests/system/xfer/ans5/badmessageid b/bin/tests/system/xfer/ans5/badmessageid
new file mode 100644
index 0000000..e0dc041
--- /dev/null
+++ b/bin/tests/system/xfer/ans5/badmessageid
@@ -0,0 +1,10 @@
+/SOA tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+/AXFR tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+/AXFR bad-id tsig_key LSAnCU+Z/
+nil.      	300	NS	ns.nil.
+nil.		300	TXT	"bad message id"
+a.nil.		60	A	10.0.0.61
+/AXFR bad-id tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
diff --git a/bin/tests/system/xfer/ans5/goodaxfr b/bin/tests/system/xfer/ans5/goodaxfr
new file mode 100644
index 0000000..e5ccd43
--- /dev/null
+++ b/bin/tests/system/xfer/ans5/goodaxfr
@@ -0,0 +1,10 @@
+/SOA tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+/AXFR tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+/AXFR tsig_key LSAnCU+Z/
+nil.      	300	NS	ns.nil.
+nil.		300	TXT	"initial AXFR"
+a.nil.		60	A	10.0.0.61
+/AXFR tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
diff --git a/bin/tests/system/xfer/ans5/partial b/bin/tests/system/xfer/ans5/partial
new file mode 100644
index 0000000..e7eff8e
--- /dev/null
+++ b/bin/tests/system/xfer/ans5/partial
@@ -0,0 +1,11 @@
+/SOA tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+/AXFR tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
+/AXFR/
+nil.      	300	NS	ns.nil.
+nil.		300	TXT	"partially signed AXFR"
+a.nil.		60	A	10.0.0.61
+b.nil.		60	A	10.0.0.62
+/AXFR/
+nil.      	300	SOA	ns.nil. root.nil. 4 300 300 604800 300
diff --git a/bin/tests/system/xfer/ans5/soamismatch b/bin/tests/system/xfer/ans5/soamismatch
new file mode 100644
index 0000000..14cfa41
--- /dev/null
+++ b/bin/tests/system/xfer/ans5/soamismatch
@@ -0,0 +1,10 @@
+/SOA tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+/AXFR tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+/AXFR tsig_key LSAnCU+Z/
+nil.      	300	NS	ns.nil.
+nil.		300	TXT	"SOA mismatch AXFR"
+a.nil.		60	A	10.0.0.61
+/AXFR tsig_key LSAnCU+Z/
+nil.      	300	SOA	whatever. other. 1 300 300 604800 300
diff --git a/bin/tests/system/xfer/ans5/unknownkey b/bin/tests/system/xfer/ans5/unknownkey
new file mode 100644
index 0000000..da7889b
--- /dev/null
+++ b/bin/tests/system/xfer/ans5/unknownkey
@@ -0,0 +1,11 @@
+/SOA bad_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 5 300 300 604800 300
+/AXFR bad_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 5 300 300 604800 300
+/AXFR bad_key LSAnCU+Z/
+nil.      	300	NS	ns.nil.
+nil.		300	TXT	"unknown key AXFR"
+a.nil.		60	A	10.0.0.61
+b.nil.		60	A	10.0.0.62
+/AXFR bad_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 5 300 300 604800 300
diff --git a/bin/tests/system/xfer/ans5/unsigned b/bin/tests/system/xfer/ans5/unsigned
new file mode 100644
index 0000000..3fe04db
--- /dev/null
+++ b/bin/tests/system/xfer/ans5/unsigned
@@ -0,0 +1,11 @@
+/SOA tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 2 300 300 604800 300
+/AXFR/
+nil.      	300	SOA	ns.nil. root.nil. 2 300 300 604800 300
+/AXFR/
+nil.      	300	NS	ns.nil.
+nil.		300	TXT	"unsigned AXFR"
+a.nil.		60	A	10.0.0.61
+b.nil.		60	A	10.0.0.62
+/AXFR/
+nil.      	300	SOA	ns.nil. root.nil. 2 300 300 604800 300
diff --git a/bin/tests/system/xfer/ans5/wrongkey b/bin/tests/system/xfer/ans5/wrongkey
new file mode 100644
index 0000000..af120b0
--- /dev/null
+++ b/bin/tests/system/xfer/ans5/wrongkey
@@ -0,0 +1,11 @@
+/SOA unused_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 6 300 300 604800 300
+/AXFR unused_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 6 300 300 604800 300
+/AXFR unused_key LSAnCU+Z/
+nil.      	300	NS	ns.nil.
+nil.		300	TXT	"incorrect key AXFR"
+a.nil.		60	A	10.0.0.61
+b.nil.		60	A	10.0.0.62
+/AXFR unused_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 6 300 300 604800 300
diff --git a/bin/tests/system/xfer/ans5/wrongname b/bin/tests/system/xfer/ans5/wrongname
new file mode 100644
index 0000000..346ac3d
--- /dev/null
+++ b/bin/tests/system/xfer/ans5/wrongname
@@ -0,0 +1,10 @@
+/SOA tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+/AXFR tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
+/AXFR tsig_key LSAnCU+Z ns.wrong./
+nil.      	300	NS	ns.nil.
+nil.		300	TXT	"wrong question AXFR"
+a.nil.		60	A	10.0.0.61
+/AXFR tsig_key LSAnCU+Z/
+nil.      	300	SOA	ns.nil. root.nil. 1 300 300 604800 300
diff --git a/bin/tests/system/xfer/axfr-stats.good b/bin/tests/system/xfer/axfr-stats.good
new file mode 100644
index 0000000..264af09
--- /dev/null
+++ b/bin/tests/system/xfer/axfr-stats.good
@@ -0,0 +1,3 @@
+messages=16
+records=10003
+bytes=218227
diff --git a/bin/tests/system/xfer/clean.sh b/bin/tests/system/xfer/clean.sh
new file mode 100644
index 0000000..effdda8
--- /dev/null
+++ b/bin/tests/system/xfer/clean.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after zone transfer tests.
+#
+
+rm -f */ans.run
+rm -f */named.conf
+rm -f */named.memstats
+rm -f */named.run
+rm -f */named.run.prev
+rm -f axfr.out
+rm -f dig.out.*
+rm -f ns*/managed-keys.bind*
+rm -f ns*/named.lock
+rm -f ns1/dot-fallback.db
+rm -f ns1/edns-expire.db
+rm -f ns1/ixfr-too-big.db ns1/ixfr-too-big.db.jnl
+rm -f ns1/sec.db ns2/sec.db
+rm -f ns2/example.db ns2/tsigzone.db ns2/example.db.jnl ns2/dot-fallback.db
+rm -f ns2/mapped.db
+rm -f ns3/example.bk ns3/xfer-stats.bk ns3/tsigzone.bk ns3/example.bk.jnl
+rm -f ns3/mapped.bk
+rm -f ns3/primary.bk ns3/primary.bk.jnl
+rm -f ns4/*.db ns4/*.jnl
+rm -f ns6/*.db ns6/*.bk ns6/*.jnl
+rm -f ns7/*.db ns7/*.bk ns7/*.jnl
+rm -f ns8/large.db ns8/small.db
+rm -f stats.*
+rm -f wait_for_message.*
diff --git a/bin/tests/system/xfer/dig1.good b/bin/tests/system/xfer/dig1.good
new file mode 100644
index 0000000..9fa5437
--- /dev/null
+++ b/bin/tests/system/xfer/dig1.good
@@ -0,0 +1,178 @@
+example.		86400	IN	SOA	ns2.example. hostmaster.example. 1397051952 5 5 1814400 3600
+example.		3600	IN	NS	ns2.example.
+example.		3600	IN	NS	ns3.example.
+a01.example.		3600	IN	A	0.0.0.0
+a02.example.		3600	IN	A	255.255.255.255
+a601.example.		3600	IN	A6	0 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+a601.example.		3600	IN	A6	64 ::ffff:ffff:ffff:ffff foo.
+a601.example.		3600	IN	A6	127 ::1 foo.
+a601.example.		3600	IN	A6	128  .
+aaaa01.example.		3600	IN	AAAA	::1
+aaaa02.example.		3600	IN	AAAA	fd92:7065:b8e:ffff::5
+afsdb01.example.	3600	IN	AFSDB	0 hostname.example.
+afsdb02.example.	3600	IN	AFSDB	65535 .
+amtrelay01.example.	3600	IN	AMTRELAY 0 0 0
+amtrelay02.example.	3600	IN	AMTRELAY 0 1 0
+amtrelay03.example.	3600	IN	AMTRELAY 0 0 1 0.0.0.0
+amtrelay04.example.	3600	IN	AMTRELAY 0 0 2 ::
+amtrelay05.example.	3600	IN	AMTRELAY 0 0 3 example.net.
+amtrelay06.example.	3600	IN	AMTRELAY \# 2 0004
+apl01.example.		3600	IN	APL	!1:10.0.0.1/32 1:10.0.0.0/24
+apl02.example.		3600	IN	APL
+atma01.example.		3600	IN	ATMA	+61200000000
+atma02.example.		3600	IN	ATMA	+61200000000
+atma03.example.		3600	IN	ATMA	1234567890abcdef
+atma04.example.		3600	IN	ATMA	fedcba0987654321
+avc.example.		3600	IN	AVC	"foo:bar"
+caa01.example.		3600	IN	CAA	0 issue "ca.example.net; policy=ev"
+caa02.example.		3600	IN	CAA	128 tbs "Unknown"
+caa03.example.		3600	IN	CAA	128 tbs ""
+cdnskey01.example.	3600	IN	CDNSKEY	512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+cds01.example.		3600	IN	CDS	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+cert01.example.		3600	IN	CERT	65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+cname01.example.	3600	IN	CNAME	cname-target.
+cname02.example.	3600	IN	CNAME	cname-target.example.
+cname03.example.	3600	IN	CNAME	.
+csync01.example.	3600	IN	CSYNC	0 0 A NS AAAA
+csync02.example.	3600	IN	CSYNC	0 0
+dhcid01.example.	3600	IN	DHCID	AAIBY2/AuCccgoJbsaxcQc9TUapptP69lOjxfNuVAA2kjEA=
+dhcid02.example.	3600	IN	DHCID	AAEBOSD+XR3Os/0LozeXVqcNc7FwCfQdWL3b/NaiUDlW2No=
+dhcid03.example.	3600	IN	DHCID	AAABxLmlskllE0MVjd57zHcWmEH3pCQ6VytcKD//7es/deY=
+dlv.example.		3600	IN	DLV	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+dname01.example.	3600	IN	DNAME	dname-target.
+dname02.example.	3600	IN	DNAME	dname-target.example.
+dname03.example.	3600	IN	DNAME	.
+doa01.example.		3600	IN	DOA	1234567890 1234567890 1 "image/gif" R0lGODlhKAAZAOMCAGZmZgBmmf///zOZzMz//5nM/zNmmWbM/5nMzMzMzACZ/////////////////////yH5BAEKAA8ALAAAAAAoABkAAATH8IFJK5U2a4337F5ogRkpnoCJrly7PrCKyh8c3HgAhzT35MDbbtO7/IJIHbGiOiaTxVTpSVWWLqNq1UVyapNS1wd3OAxug0LhnCubcVhsxysQnOt4ATpvvzHlFzl1AwODhWeFAgRpen5/UhheAYMFdUB4SFcpGEGGdQeCAqBBLTuSk30EeXd9pEsAbKGxjHqDSE0Sp6ixN4N1BJmbc7lIhmsBich1awPAjkY1SZR8bJWrz382SGqIBQQFQd4IsUTaX+ceuudPEQA7
+doa02.example.		3600	IN	DOA	0 1 2 "" aHR0cHM6Ly93d3cuaXNjLm9yZy8=
+ds01.example.		3600	IN	NS	ns42.example.
+ds01.example.		3600	IN	DS	12892 5 2 26584835CA80C81C91999F31CFAF2A0E89D4FF1C8FAFD0DDB31A85C7 19277C13
+ds02.example.		3600	IN	NS	ns43.example.
+ds02.example.		3600	IN	DS	12892 5 1 7AA4A3F416C2F2391FB7AB0D434F762CD62D1390
+eid01.example.		3600	IN	EID	1289AB
+eui48.example.		3600	IN	EUI48	01-23-45-67-89-ab
+eui64.example.		3600	IN	EUI64	01-23-45-67-89-ab-cd-ef
+gid01.example.		3600	IN	GID	\# 1 03
+unspec01.example.	3600	IN	UNSPEC	\# 1 04
+gpos01.example.		3600	IN	GPOS	"-22.6882" "116.8652" "250.0"
+gpos02.example.		3600	IN	GPOS	"" "" ""
+hinfo01.example.	3600	IN	HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02.example.	3600	IN	HINFO	"PC" "NetBSD"
+hip1.example.		3600	IN	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D
+hip2.example.		3600	IN	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs.example.com.
+https0.example.		3600	IN	HTTPS 0 example.net.
+https1.example.		3600	IN	HTTPS 1 . port=60
+ipseckey01.example.	3600	IN	IPSECKEY  10 1 2 192.0.2.38 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey02.example.	3600	IN	IPSECKEY  10 0 2 . AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey03.example.	3600	IN	IPSECKEY  10 1 2 192.0.2.3 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey04.example.	3600	IN	IPSECKEY  10 3 2 mygateway.example.com. AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey05.example.	3600	IN	IPSECKEY  10 2 2 2001:db8:0:8002::2000:1 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+isdn01.example.		3600	IN	ISDN	"isdn-address"
+isdn02.example.		3600	IN	ISDN	"isdn-address" "subaddress"
+isdn03.example.		3600	IN	ISDN	"isdn-address"
+isdn04.example.		3600	IN	ISDN	"isdn-address" "subaddress"
+dnskey01.example.	3600	IN	DNSKEY	512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+keydata.example.	3600	IN	TYPE65533 \# 0
+keydata.example.	3600	IN	TYPE65533 \# 6 010203040506
+keydata.example.	3600	IN	TYPE65533 \# 18 010203040506010203040506010203040506
+kx01.example.		3600	IN	KX	10 kdc.example.
+kx02.example.		3600	IN	KX	10 .
+loc01.example.		3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02.example.		3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+l32.example.		3600	IN	L32	10 1.2.3.4
+l64.example.		3600	IN	L64	10 14:4fff:ff20:ee64
+lp.example.		3600	IN	LP	10 example.net.
+nid.example.		3600	IN	NID	10 14:4fff:ff20:ee64
+mb01.example.		3600	IN	MG	madname.example.
+mb02.example.		3600	IN	MG	.
+mg01.example.		3600	IN	MG	mgmname.example.
+mg02.example.		3600	IN	MG	.
+minfo01.example.	3600	IN	MINFO	rmailbx.example. emailbx.example.
+minfo02.example.	3600	IN	MINFO	. .
+mr01.example.		3600	IN	MR	mrname.example.
+mr02.example.		3600	IN	MR	.
+mx01.example.		3600	IN	MX	10 mail.example.
+mx02.example.		3600	IN	MX	10 .
+naptr01.example.	3600	IN	NAPTR	0 0 "" "" "" .
+naptr02.example.	3600	IN	NAPTR	65535 65535 "blurgh" "blorf" "blllbb" foo.
+nimloc01.example.	3600	IN	NIMLOC	1289AB
+ninfo01.example.	3600	IN	NINFO	"foo"
+ninfo02.example.	3600	IN	NINFO	"foo" "bar"
+ninfo03.example.	3600	IN	NINFO	"foo"
+ninfo04.example.	3600	IN	NINFO	"foo" "bar"
+ninfo05.example.	3600	IN	NINFO	"foo bar"
+ninfo06.example.	3600	IN	NINFO	"foo bar"
+ninfo07.example.	3600	IN	NINFO	"foo bar"
+ninfo08.example.	3600	IN	NINFO	"foo\010bar"
+ninfo09.example.	3600	IN	NINFO	"foo\010bar"
+ninfo10.example.	3600	IN	NINFO	"foo bar"
+ninfo11.example.	3600	IN	NINFO	"\"foo\""
+ninfo12.example.	3600	IN	NINFO	"\"foo\""
+ninfo13.example.	3600	IN	NINFO	"foo;"
+ninfo14.example.	3600	IN	NINFO	"foo;"
+ninfo15.example.	3600	IN	NINFO	"bar\\;"
+ns2.example.		3600	IN	A	10.53.0.2
+ns3.example.		3600	IN	A	10.53.0.3
+nsap-ptr01.example.	3600	IN	NSAP-PTR .
+nsap-ptr01.example.	3600	IN	NSAP-PTR foo.
+nsap01.example.		3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02.example.		3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nsec01.example.		3600	IN	NSEC	a.secure.nil. NS SOA MX LOC RRSIG NSEC DNSKEY
+nsec02.example.		3600	IN	NSEC	. NSAP-PTR NSEC
+nsec03.example.		3600	IN	NSEC	. A
+nsec04.example.		3600	IN	NSEC	. TYPE127
+openpgpkey.example.	3600	IN	OPENPGPKEY  AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+ptr01.example.		3600	IN	PTR	example.
+px01.example.		3600	IN	PX	65535 foo. bar.
+px02.example.		3600	IN	PX	65535 . .
+rkey01.example.		3600	IN	RKEY	0 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+rp01.example.		3600	IN	RP	mbox-dname.example. txt-dname.example.
+rp02.example.		3600	IN	RP	. .
+rt01.example.		3600	IN	RT	0 intermediate-host.example.
+rt02.example.		3600	IN	RT	65535 .
+rrsig01.example.		3600	IN	RRSIG	NSEC 1 3 3600 20000102030405 19961211100908 2143 foo.nil. MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+spf01.example.		3600	IN	SPF	"v=spf1 -all"
+spf02.example.		3600	IN	SPF	"v=spf1" " -all"
+sshfp01.example.	3600	IN	SSHFP	4 2 C76D8329954DA2835751E371544E963EFDA099080D6C58DD2BFD9A31 6E162C83
+sshfp02.example.	3600	IN	SSHFP	1 2 BF29468C83AC58CCF8C85AB7B3BEB054ECF1E38512B8353AB36471FA 88961DCC
+sink01.example.		3600	IN	SINK	1 0 0
+sink02.example.		3600	IN	SINK	8 0 2 l4ik
+smimea.example.		3600	IN	SMIMEA	1 1 2 92003BA34942DC74152E2F2C408D29ECA5A520E7F2E06BB944F4DCA3 46BAF63C1B177615D466F6C4B71C216A50292BD58C9EBDD2F74E38FE 51FFD48C43326CBC
+srv01.example.		3600	IN	SRV	0 0 0 .
+srv02.example.		3600	IN	SRV	65535 65535 65535 old-slow-box.example.
+svcb0.example.		3600	IN	SVCB	0 example.net.
+svcb1.example.		3600	IN	SVCB	1 . port=60
+ta.example.		3600	IN	TA	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+talink0.example.	3600	IN	TALINK	. talink1.example.
+talink1.example.	3600	IN	TALINK	talink0.example. talink2.example.
+talink2.example.	3600	IN	TALINK	talink2.example. .
+tlsa.example.		3600	IN	TLSA	1 1 2 92003BA34942DC74152E2F2C408D29ECA5A520E7F2E06BB944F4DCA3 46BAF63C1B177615D466F6C4B71C216A50292BD58C9EBDD2F74E38FE 51FFD48C43326CBC
+txt01.example.		3600	IN	TXT	"foo"
+txt02.example.		3600	IN	TXT	"foo" "bar"
+txt03.example.		3600	IN	TXT	"foo"
+txt04.example.		3600	IN	TXT	"foo" "bar"
+txt05.example.		3600	IN	TXT	"foo bar"
+txt06.example.		3600	IN	TXT	"foo bar"
+txt07.example.		3600	IN	TXT	"foo bar"
+txt08.example.		3600	IN	TXT	"foo\010bar"
+txt09.example.		3600	IN	TXT	"foo\010bar"
+txt10.example.		3600	IN	TXT	"foo bar"
+txt11.example.		3600	IN	TXT	"\"foo\""
+txt12.example.		3600	IN	TXT	"\"foo\""
+txt13.example.		3600	IN	TXT	"foo;"
+txt14.example.		3600	IN	TXT	"foo;"
+txt15.example.		3600	IN	TXT	"bar\\;"
+uid01.example.		3600	IN	UID	\# 1 02
+uinfo01.example.	3600	IN	UINFO	\# 1 01
+uri01.example.		3600	IN	URI	10 20 "https://www.isc.org/"
+uri02.example.		3600	IN	URI	30 40 "https://www.isc.org/HolyCowThisSureIsAVeryLongURIRecordIDontEvenKnowWhatSomeoneWouldEverWantWithSuchAThingButTheSpecificationRequiresThatWesupportItSoHereWeGoTestingItLaLaLaLaLaLaLaSeriouslyThoughWhyWouldYouEvenConsiderUsingAURIThisLongItSeemsLikeASillyIdeaButEnhWhatAreYouGonnaDo/"
+uri03.example.		3600	IN	URI	30 40 ""
+wks01.example.		3600	IN	WKS	10.0.0.1 6 0 1 2 21 23
+wks02.example.		3600	IN	WKS	10.0.0.1 17 0 1 2 53
+wks03.example.		3600	IN	WKS	10.0.0.2 6 65535
+x2501.example.		3600	IN	X25	"123456789"
+zonemd01.example.	3600    IN	ZONEMD	2019020700 1 1 C220B8A6ED5728A971902F7E3D4FD93ADEEA88B0453C2E8E8C863D46 5AB06CF34EB95B266398C98B59124FA239CB7EEB
+zonemd02.example.	3600	IN	ZONEMD	2019020700 1 2 08CFA1115C7B948C4163A901270395EA226A930CD2CBCF2FA9A5E6EB 85F37C8A4E114D884E66F176EAB121CB02DB7D652E0CC4827E7A3204 F166B47E5613FD27
+8f1tmio9avcom2k0frp92lgcumak0cad.example. 3600 IN NSEC3 1 0 10 D2CF0294C020CE6C 8FPNS2UCT7FBS643THP2B77PEQ77K6IU A NS SOA MX AAAA RRSIG DNSKEY NSEC3PARAM
+kcd3juae64f9c5csl1kif1htaui7un0g.example. 3600 IN NSEC3 1 0 10 D2CF0294C020CE6C KD5MN2M20340DGO0BL7NTSB8JP4BSC7E
+mr5ukvsk1l37btu4q7b1dfevft4hkqdk.example. 3600 IN NSEC3 1 0 10 D2CF0294C020CE6C MT38J6VG7S0SN5G17MCUF6IQIKFUAJ05 A AAAA RRSIG
+example.		86400	IN	SOA	ns2.example. hostmaster.example. 1397051952 5 5 1814400 3600
diff --git a/bin/tests/system/xfer/dig2.good b/bin/tests/system/xfer/dig2.good
new file mode 100644
index 0000000..2229f9c
--- /dev/null
+++ b/bin/tests/system/xfer/dig2.good
@@ -0,0 +1,178 @@
+example.		86400	IN	SOA	ns2.example. hostmaster.example. 1397051953 5 5 1814400 3600
+example.		3600	IN	NS	ns2.example.
+example.		3600	IN	NS	ns3.example.
+a01.example.		3600	IN	A	0.0.0.1
+a02.example.		3600	IN	A	255.255.255.255
+a601.example.		3600	IN	A6	0 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+a601.example.		3600	IN	A6	64 ::ffff:ffff:ffff:ffff foo.
+a601.example.		3600	IN	A6	127 ::1 foo.
+a601.example.		3600	IN	A6	128  .
+aaaa01.example.		3600	IN	AAAA	::1
+aaaa02.example.		3600	IN	AAAA	fd92:7065:b8e:ffff::5
+afsdb01.example.	3600	IN	AFSDB	0 hostname.example.
+afsdb02.example.	3600	IN	AFSDB	65535 .
+amtrelay01.example.	3600	IN	AMTRELAY 0 0 0
+amtrelay02.example.	3600	IN	AMTRELAY 0 1 0
+amtrelay03.example.	3600	IN	AMTRELAY 0 0 1 0.0.0.1
+amtrelay04.example.	3600	IN	AMTRELAY 0 0 2 ::
+amtrelay05.example.	3600	IN	AMTRELAY 0 0 3 example.net.
+amtrelay06.example.	3600	IN	AMTRELAY \# 2 0004
+apl01.example.		3600	IN	APL	!1:10.0.0.1/32 1:10.0.0.1/24
+apl02.example.		3600	IN	APL
+atma01.example.		3600	IN	ATMA	+61200000000
+atma02.example.		3600	IN	ATMA	+61200000000
+atma03.example.		3600	IN	ATMA	1234567890abcdef
+atma04.example.		3600	IN	ATMA	fedcba0987654321
+avc.example.		3600	IN	AVC	"foo:bar"
+caa01.example.		3600	IN	CAA	0 issue "ca.example.net; policy=ev"
+caa02.example.		3600	IN	CAA	128 tbs "Unknown"
+caa03.example.		3600	IN	CAA	128 tbs ""
+cdnskey01.example.	3600	IN	CDNSKEY	512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+cds01.example.		3600	IN	CDS	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+cert01.example.		3600	IN	CERT	65534 65535 PRIVATEOID MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+cname01.example.	3600	IN	CNAME	cname-target.
+cname02.example.	3600	IN	CNAME	cname-target.example.
+cname03.example.	3600	IN	CNAME	.
+csync01.example.	3600	IN	CSYNC	0 0 A NS AAAA
+csync02.example.	3600	IN	CSYNC	0 0
+dhcid01.example.	3600	IN	DHCID	AAIBY2/AuCccgoJbsaxcQc9TUapptP69lOjxfNuVAA2kjEA=
+dhcid02.example.	3600	IN	DHCID	AAEBOSD+XR3Os/0LozeXVqcNc7FwCfQdWL3b/NaiUDlW2No=
+dhcid03.example.	3600	IN	DHCID	AAABxLmlskllE0MVjd57zHcWmEH3pCQ6VytcKD//7es/deY=
+dlv.example.		3600	IN	DLV	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+dname01.example.	3600	IN	DNAME	dname-target.
+dname02.example.	3600	IN	DNAME	dname-target.example.
+dname03.example.	3600	IN	DNAME	.
+doa01.example.		3600	IN	DOA	1234567890 1234567890 1 "image/gif" R0lGODlhKAAZAOMCAGZmZgBmmf///zOZzMz//5nM/zNmmWbM/5nMzMzMzACZ/////////////////////yH5BAEKAA8ALAAAAAAoABkAAATH8IFJK5U2a4337F5ogRkpnoCJrly7PrCKyh8c3HgAhzT35MDbbtO7/IJIHbGiOiaTxVTpSVWWLqNq1UVyapNS1wd3OAxug0LhnCubcVhsxysQnOt4ATpvvzHlFzl1AwODhWeFAgRpen5/UhheAYMFdUB4SFcpGEGGdQeCAqBBLTuSk30EeXd9pEsAbKGxjHqDSE0Sp6ixN4N1BJmbc7lIhmsBich1awPAjkY1SZR8bJWrz382SGqIBQQFQd4IsUTaX+ceuudPEQA7
+doa02.example.		3600	IN	DOA	0 1 2 "" aHR0cHM6Ly93d3cuaXNjLm9yZy8=
+ds01.example.		3600	IN	NS	ns42.example.
+ds01.example.		3600	IN	DS	12892 5 2 26584835CA80C81C91999F31CFAF2A0E89D4FF1C8FAFD0DDB31A85C7 19277C13
+ds02.example.		3600	IN	NS	ns43.example.
+ds02.example.		3600	IN	DS	12892 5 1 7AA4A3F416C2F2391FB7AB0D434F762CD62D1390
+eid01.example.		3600	IN	EID	1289AB
+eui48.example.		3600	IN	EUI48   01-23-45-67-89-ab
+eui64.example.		3600	IN	EUI64	01-23-45-67-89-ab-cd-ef
+gid01.example.		3600	IN	GID	\# 1 03
+unspec01.example.	3600	IN	UNSPEC	\# 1 04
+gpos01.example.		3600	IN	GPOS	"-22.6882" "116.8652" "250.0"
+gpos02.example.		3600	IN	GPOS	"" "" ""
+hinfo01.example.	3600	IN	HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02.example.	3600	IN	HINFO	"PC" "NetBSD"
+ipseckey01.example.	3600	IN	IPSECKEY  10 1 2 192.0.2.38 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey02.example.	3600	IN	IPSECKEY  10 0 2 . AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey03.example.	3600	IN	IPSECKEY  10 1 2 192.0.2.3 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey04.example.	3600	IN	IPSECKEY  10 3 2 mygateway.example.com. AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+ipseckey05.example.	3600	IN	IPSECKEY  10 2 2 2001:db8:0:8002::2000:1 AQNRU3mG7TVTO2BkR47usntb102uFJtugbo6BSGvgqt4AQ==
+isdn01.example.		3600	IN	ISDN	"isdn-address"
+isdn02.example.		3600	IN	ISDN	"isdn-address" "subaddress"
+isdn03.example.		3600	IN	ISDN	"isdn-address"
+isdn04.example.		3600	IN	ISDN	"isdn-address" "subaddress"
+hip1.example.		3600	IN	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D
+hip2.example.		3600	IN 	HIP	2 200100107B1A74DF365639CC39F1D578 AwEAAbdxyhNuSutc5EMzxTs9LBPCIkOFH8cIvM4p9+LrV4e19WzK00+CI6zBCQTdtWsuxKbWIy87UOoJTwkUs7lBu+Upr1gsNrut79ryra+bSRGQb1slImA8YVJyuIDsj7kwzG7jnERNqnWxZ48AWkskmdHaVDP4BcelrTI3rMXdXF5D rvs.example.com.
+dnskey01.example.	3600	IN	DNSKEY	512 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+https0.example.		3600	IN	HTTPS 0 example.net.
+https1.example.		3600	IN	HTTPS 1 . port=60
+keydata.example.	3600	IN	TYPE65533 \# 0
+keydata.example.	3600	IN	TYPE65533 \# 6 010203040506
+keydata.example.	3600	IN	TYPE65533 \# 18 010203040506010203040506010203040506
+kx01.example.		3600	IN	KX	10 kdc.example.
+kx02.example.		3600	IN	KX	10 .
+loc01.example.		3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02.example.		3600	IN	LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+l32.example.		3600	IN	L32	10 1.2.3.4
+l64.example.		3600	IN	L64	10 14:4fff:ff20:ee64
+lp.example.		3600	IN	LP	10 example.net.
+nid.example.		3600	IN	NID	10 14:4fff:ff20:ee64
+mb01.example.		3600	IN	MG	madname.example.
+mb02.example.		3600	IN	MG	.
+mg01.example.		3600	IN	MG	mgmname.example.
+mg02.example.		3600	IN	MG	.
+minfo01.example.	3600	IN	MINFO	rmailbx.example. emailbx.example.
+minfo02.example.	3600	IN	MINFO	. .
+mr01.example.		3600	IN	MR	mrname.example.
+mr02.example.		3600	IN	MR	.
+mx01.example.		3600	IN	MX	10 mail.example.
+mx02.example.		3600	IN	MX	10 .
+naptr01.example.	3600	IN	NAPTR	0 0 "" "" "" .
+naptr02.example.	3600	IN	NAPTR	65535 65535 "blurgh" "blorf" "blllbb" foo.
+nimloc01.example.	3600	IN	NIMLOC	1289AB
+ninfo01.example.	3600	IN	NINFO	"foo"
+ninfo02.example.	3600	IN	NINFO	"foo" "bar"
+ninfo03.example.	3600	IN	NINFO	"foo"
+ninfo04.example.	3600	IN	NINFO	"foo" "bar"
+ninfo05.example.	3600	IN	NINFO	"foo bar"
+ninfo06.example.	3600	IN	NINFO	"foo bar"
+ninfo07.example.	3600	IN	NINFO	"foo bar"
+ninfo08.example.	3600	IN	NINFO	"foo\010bar"
+ninfo09.example.	3600	IN	NINFO	"foo\010bar"
+ninfo10.example.	3600	IN	NINFO	"foo bar"
+ninfo11.example.	3600	IN	NINFO	"\"foo\""
+ninfo12.example.	3600	IN	NINFO	"\"foo\""
+ninfo13.example.	3600	IN	NINFO	"foo;"
+ninfo14.example.	3600	IN	NINFO	"foo;"
+ninfo15.example.	3600	IN	NINFO	"bar\\;"
+ns2.example.		3600	IN	A	10.53.0.2
+ns3.example.		3600	IN	A	10.53.0.3
+nsap-ptr01.example.	3600	IN	NSAP-PTR .
+nsap-ptr01.example.	3600	IN	NSAP-PTR foo.
+nsap01.example.		3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02.example.		3600	IN	NSAP	0x47000580005a0000000001e133ffffff00016100
+nsec01.example.		3600	IN	NSEC	a.secure.nil. NS SOA MX LOC RRSIG NSEC DNSKEY
+nsec02.example.		3600	IN	NSEC	. NSAP-PTR NSEC
+nsec03.example.		3600	IN	NSEC	. A
+nsec04.example.		3600	IN	NSEC	. TYPE127
+openpgpkey.example.	3600	IN	OPENPGPKEY  AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+ptr01.example.		3600	IN	PTR	example.
+px01.example.		3600	IN	PX	65535 foo. bar.
+px02.example.		3600	IN	PX	65535 . .
+rkey01.example.		3600	IN	RKEY	0 255 1 AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aRyzWZriO6i2od GWWQVucZqKVsENW91IOW4vqudngPZsY3GvQ/xVA8/7pyFj6b7Esga60z yGW6LFe9r8n6paHrlG5ojqf0BaqHT+8=
+rp01.example.		3600	IN	RP	mbox-dname.example. txt-dname.example.
+rp02.example.		3600	IN	RP	. .
+rt01.example.		3600	IN	RT	0 intermediate-host.example.
+rt02.example.		3600	IN	RT	65535 .
+rrsig01.example.	3600	IN	RRSIG	NSEC 1 3 3600 20000102030405 19961211100908 2143 foo.nil. MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgiWCn/GxHhai6V AuHAoNUz4YoU1tVfSCSqQYn6//11U6Nld80jEeC8aTrO+KKmCaY=
+sink01.example.		3600	IN	SINK	1 0 0
+sink02.example.		3600	IN	SINK	8 0 2 l4ik
+smimea.example.		3600	IN	SMIMEA	1 1 2 92003BA34942DC74152E2F2C408D29ECA5A520E7F2E06BB944F4DCA3 46BAF63C1B177615D466F6C4B71C216A50292BD58C9EBDD2F74E38FE 51FFD48C43326CBC
+spf01.example.		3600	IN	SPF	"v=spf1 -all"
+spf02.example.		3600	IN	SPF	"v=spf1" " -all"
+srv01.example.		3600	IN	SRV	0 0 0 .
+srv02.example.		3600	IN	SRV	65535 65535 65535 old-slow-box.example.
+sshfp01.example.	3600	IN	SSHFP	4 2 C76D8329954DA2835751E371544E963EFDA099080D6C58DD2BFD9A31 6E162C83
+sshfp02.example.	3600	IN	SSHFP	1 2 BF29468C83AC58CCF8C85AB7B3BEB054ECF1E38512B8353AB36471FA 88961DCC
+svcb0.example.		3600	IN	SVCB	0 example.net.
+svcb1.example.		3600	IN	SVCB	1 . port=60
+ta.example.		3600	IN	TA	30795 1 1 310D27F4D82C1FC2400704EA9939FE6E1CEAA3B9
+talink0.example.	3600	IN	TALINK	. talink1.example.
+talink1.example.	3600	IN	TALINK	talink0.example. talink2.example.
+talink2.example.	3600	IN	TALINK	talink2.example. .
+tlsa.example.		3600	IN	TLSA	1 1 2 92003BA34942DC74152E2F2C408D29ECA5A520E7F2E06BB944F4DCA3 46BAF63C1B177615D466F6C4B71C216A50292BD58C9EBDD2F74E38FE 51FFD48C43326CBC
+txt01.example.		3600	IN	TXT	"foo"
+txt02.example.		3600	IN	TXT	"foo" "bar"
+txt03.example.		3600	IN	TXT	"foo"
+txt04.example.		3600	IN	TXT	"foo" "bar"
+txt05.example.		3600	IN	TXT	"foo bar"
+txt06.example.		3600	IN	TXT	"foo bar"
+txt07.example.		3600	IN	TXT	"foo bar"
+txt08.example.		3600	IN	TXT	"foo\010bar"
+txt09.example.		3600	IN	TXT	"foo\010bar"
+txt10.example.		3600	IN	TXT	"foo bar"
+txt11.example.		3600	IN	TXT	"\"foo\""
+txt12.example.		3600	IN	TXT	"\"foo\""
+txt13.example.		3600	IN	TXT	"foo;"
+txt14.example.		3600	IN	TXT	"foo;"
+txt15.example.		3600	IN	TXT	"bar\\;"
+uid01.example.		3600	IN	UID	\# 1 02
+uinfo01.example.	3600	IN	UINFO	\# 1 01
+uri01.example.		3600	IN	URI	10 20 "https://www.isc.org/"
+uri02.example.		3600	IN	URI	30 40 "https://www.isc.org/HolyCowThisSureIsAVeryLongURIRecordIDontEvenKnowWhatSomeoneWouldEverWantWithSuchAThingButTheSpecificationRequiresThatWesupportItSoHereWeGoTestingItLaLaLaLaLaLaLaSeriouslyThoughWhyWouldYouEvenConsiderUsingAURIThisLongItSeemsLikeASillyIdeaButEnhWhatAreYouGonnaDo/"
+uri03.example.		3600	IN	URI	30 40 ""
+wks01.example.		3600	IN	WKS	10.0.0.1 6 0 1 2 21 23
+wks02.example.		3600	IN	WKS	10.0.0.1 17 0 1 2 53
+wks03.example.		3600	IN	WKS	10.0.0.2 6 65535
+x2501.example.		3600	IN	X25	"123456789"
+zonemd01.example.	3600    IN	ZONEMD	2019020700 1 1 C220B8A6ED5728A971902F7E3D4FD93ADEEA88B0453C2E8E8C863D46 5AB06CF34EB95B266398C98B59124FA239CB7EEB
+zonemd02.example.	3600	IN	ZONEMD	2019020700 1 2 08CFA1115C7B948C4163A901270395EA226A930CD2CBCF2FA9A5E6EB 85F37C8A4E114D884E66F176EAB121CB02DB7D652E0CC4827E7A3204 F166B47E5613FD27
+8f1tmio9avcom2k0frp92lgcumak0cad.example. 3600 IN NSEC3 1 0 10 D2CF0294C020CE6C 8FPNS2UCT7FBS643THP2B77PEQ77K6IU A NS SOA MX AAAA RRSIG DNSKEY NSEC3PARAM
+kcd3juae64f9c5csl1kif1htaui7un0g.example. 3600 IN NSEC3 1 0 10 D2CF0294C020CE6C KD5MN2M20340DGO0BL7NTSB8JP4BSC7E
+mr5ukvsk1l37btu4q7b1dfevft4hkqdk.example. 3600 IN NSEC3 1 0 10 D2CF0294C020CE6C MT38J6VG7S0SN5G17MCUF6IQIKFUAJ05 A AAAA RRSIG
+example.		86400	IN	SOA	ns2.example. hostmaster.example. 1397051953 5 5 1814400 3600
diff --git a/bin/tests/system/xfer/dig3.good b/bin/tests/system/xfer/dig3.good
new file mode 100644
index 0000000..d58c421
--- /dev/null
+++ b/bin/tests/system/xfer/dig3.good
@@ -0,0 +1,6 @@
+dot-fallback.		5	IN	SOA	ns1.dot-fallback. hostmaster.dot-fallback. 1 3600 3600 3600 3600
+dot-fallback.		5	IN	NS	ns1.dot-fallback.
+a01.dot-fallback.	5	IN	A	1.1.1.1
+a02.dot-fallback.	5	IN	A	255.255.255.255
+ns1.dot-fallback.	5	IN	A	10.53.0.1
+dot-fallback.		5	IN	SOA	ns1.dot-fallback. hostmaster.dot-fallback. 1 3600 3600 3600 3600
diff --git a/bin/tests/system/xfer/knowngood.mapped b/bin/tests/system/xfer/knowngood.mapped
new file mode 100644
index 0000000..5fcd00b
--- /dev/null
+++ b/bin/tests/system/xfer/knowngood.mapped
@@ -0,0 +1,26 @@
+
+; <<>> DiG 9.10.2-P3 <<>> -p 5300 axfr mapped @10.53.0.3
+;; global options: +cmd
+mapped.			3600	IN	SOA	. . 0 0 0 2147483647 0
+example.aa.		3600	IN	A	1.2.3.4
+example1.aa.		3600	IN	A	1.2.3.4
+example.bb.		3600	IN	A	1.2.3.4
+example1.bb.		3600	IN	A	1.2.3.4
+example.com.		3600	IN	A	1.2.3.4
+example1.com.		3600	IN	A	1.2.3.4
+bar.dd.			3600	IN	A	1.2.3.4
+foo.ee.			3600	IN	A	1.2.3.4
+foo.ff.			3600	IN	A	1.2.3.4
+foo.gg.			3600	IN	A	1.2.3.4
+foo.hh.			3600	IN	A	1.2.3.4
+foo.ii.			3600	IN	A	1.2.3.4
+foo.jj.			3600	IN	A	1.2.3.4
+foo.kk.			3600	IN	A	1.2.3.4
+foo.ll.			3600	IN	A	1.2.3.4
+mapped.			3600	IN	NS	.
+mapped.			3600	IN	SOA	. . 0 0 0 2147483647 0
+;; Query time: 4 msec
+;; SERVER: 10.53.0.3#5300(10.53.0.3)
+;; WHEN: Tue Feb 16 14:38:25 EST 2016
+;; XFR size: 18 records (messages 1, bytes 468)
+
diff --git a/bin/tests/system/xfer/ns1/axfr-max-idle-time.db b/bin/tests/system/xfer/ns1/axfr-max-idle-time.db
new file mode 100644
index 0000000..252925f
--- /dev/null
+++ b/bin/tests/system/xfer/ns1/axfr-max-idle-time.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	3600
+@	IN	SOA	. . 0 0 0 0 0
+@	IN	NS	.
+$GENERATE 1-5000	host$	TXT	data-$
diff --git a/bin/tests/system/xfer/ns1/axfr-max-transfer-time.db b/bin/tests/system/xfer/ns1/axfr-max-transfer-time.db
new file mode 100644
index 0000000..252925f
--- /dev/null
+++ b/bin/tests/system/xfer/ns1/axfr-max-transfer-time.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	3600
+@	IN	SOA	. . 0 0 0 0 0
+@	IN	NS	.
+$GENERATE 1-5000	host$	TXT	data-$
diff --git a/bin/tests/system/xfer/ns1/axfr-too-big.db b/bin/tests/system/xfer/ns1/axfr-too-big.db
new file mode 100644
index 0000000..37987a6
--- /dev/null
+++ b/bin/tests/system/xfer/ns1/axfr-too-big.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	3600
+@	IN	SOA	. . 0 0 0 0 0
+@	IN	NS	.
+$GENERATE 1-29	host$	A	1.2.3.$
diff --git a/bin/tests/system/xfer/ns1/dot-fallback.db.in b/bin/tests/system/xfer/ns1/dot-fallback.db.in
new file mode 100644
index 0000000..997f5ba
--- /dev/null
+++ b/bin/tests/system/xfer/ns1/dot-fallback.db.in
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 5
+
+@			IN SOA	ns1 hostmaster 1 3600 3600 3600 3600
+@			NS	ns1
+ns1			A	10.53.0.1
+a01			A	1.1.1.1
+a02			A	255.255.255.255
+
diff --git a/bin/tests/system/xfer/ns1/ixfr-too-big.db.in b/bin/tests/system/xfer/ns1/ixfr-too-big.db.in
new file mode 100644
index 0000000..c192316
--- /dev/null
+++ b/bin/tests/system/xfer/ns1/ixfr-too-big.db.in
@@ -0,0 +1,18 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	3600
+@	IN	SOA	. . 0 0 0 0 0
+@	IN	NS	ns1
+@	IN	NS	ns6
+ns1	IN	A	10.53.0.1
+ns6	IN	A	10.53.0.6
+$GENERATE 1-25	host$	A	1.2.3.$
diff --git a/bin/tests/system/xfer/ns1/named1.conf.in b/bin/tests/system/xfer/ns1/named1.conf.in
new file mode 100644
index 0000000..d7ce420
--- /dev/null
+++ b/bin/tests/system/xfer/ns1/named1.conf.in
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "secondary" {
+	type primary;
+	file "sec.db";
+};
+
+zone "edns-expire" {
+	type primary;
+	file "edns-expire.db";
+};
+
+zone "axfr-max-transfer-time" {
+	type primary;
+	file "axfr-max-transfer-time.db";
+};
+
+zone "axfr-max-idle-time" {
+	type primary;
+	file "axfr-max-idle-time.db";
+};
+
+zone "axfr-too-big" {
+	type primary;
+	file "axfr-too-big.db";
+};
+
+zone "ixfr-too-big" {
+	type primary;
+	allow-update { any; };
+	file "ixfr-too-big.db";
+};
+
+zone "xfer-stats" {
+	type primary;
+	file "xfer-stats.db";
+};
+
+zone "dot-fallback" {
+	type primary;
+	file "dot-fallback.db";
+};
diff --git a/bin/tests/system/xfer/ns1/named2.conf.in b/bin/tests/system/xfer/ns1/named2.conf.in
new file mode 100644
index 0000000..b349c33
--- /dev/null
+++ b/bin/tests/system/xfer/ns1/named2.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "axfr-max-transfer-time" {
+	type primary;
+	file "axfr-max-transfer-time.db";
+};
diff --git a/bin/tests/system/xfer/ns1/named3.conf.in b/bin/tests/system/xfer/ns1/named3.conf.in
new file mode 100644
index 0000000..05af961
--- /dev/null
+++ b/bin/tests/system/xfer/ns1/named3.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "axfr-max-idle-time" {
+	type primary;
+	file "axfr-max-idle-time.db";
+};
diff --git a/bin/tests/system/xfer/ns1/root.db b/bin/tests/system/xfer/ns1/root.db
new file mode 100644
index 0000000..58a675c
--- /dev/null
+++ b/bin/tests/system/xfer/ns1/root.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+
+tsigzone.		NS	ns2.tsigzone.
+ns2.tsigzone.		A	10.53.0.2
diff --git a/bin/tests/system/xfer/ns1/xfer-stats.db b/bin/tests/system/xfer/ns1/xfer-stats.db
new file mode 100644
index 0000000..42e1c9c
--- /dev/null
+++ b/bin/tests/system/xfer/ns1/xfer-stats.db
@@ -0,0 +1,15 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 3600
+@				SOA	. . 0 0 0 0 0
+@				NS	.
+$GENERATE 1-10000	$	TXT	$
diff --git a/bin/tests/system/xfer/ns2/mapped.db.in b/bin/tests/system/xfer/ns2/mapped.db.in
new file mode 100644
index 0000000..d928d69
--- /dev/null
+++ b/bin/tests/system/xfer/ns2/mapped.db.in
@@ -0,0 +1,28 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+mapped.                 3600    IN      SOA     . . 0 0 0 2147483647 0
+example.aa.             3600    IN      A       1.2.3.4
+example1.aa.            3600    IN      A       1.2.3.4
+example.bb.             3600    IN      A       1.2.3.4
+example1.bb.            3600    IN      A       1.2.3.4
+example.com.            3600    IN      A       1.2.3.4
+example1.com.           3600    IN      A       1.2.3.4
+bar.dd.                 3600    IN      A       1.2.3.4
+foo.ee.                 3600    IN      A       1.2.3.4
+foo.ff.                 3600    IN      A       1.2.3.4
+foo.gg.                 3600    IN      A       1.2.3.4
+foo.hh.                 3600    IN      A       1.2.3.4
+foo.ii.                 3600    IN      A       1.2.3.4
+foo.jj.                 3600    IN      A       1.2.3.4
+foo.kk.                 3600    IN      A       1.2.3.4
+foo.ll.                 3600    IN      A       1.2.3.4
+mapped.                 3600    IN      NS      .
diff --git a/bin/tests/system/xfer/ns2/named.conf.in b/bin/tests/system/xfer/ns2/named.conf.in
new file mode 100644
index 0000000..b81bd1c
--- /dev/null
+++ b/bin/tests/system/xfer/ns2/named.conf.in
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	ixfr-from-differences yes;
+	check-integrity no;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key tsigzone. {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+acl tzkey {
+	key tsigzone.;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "tsigzone" {
+	type primary;
+	file "tsigzone.db";
+	allow-transfer { tzkey; };
+};
+
+zone "secondary" {
+	type secondary;
+	file "sec.db";
+	primaries { 10.53.0.1; };
+	masterfile-format text;
+};
+
+zone "mapped" {
+	type secondary;
+	file "mapped.db";
+	masterfile-format text;
+	primaries { 10.53.0.100; };
+};
+
+zone "dot-fallback" {
+	type secondary;
+	file "dot-fallback.db";
+	primaries {
+		10.53.0.1 tls ephemeral;
+		10.53.0.1;
+	};
+};
diff --git a/bin/tests/system/xfer/ns2/sec.db.in b/bin/tests/system/xfer/ns2/sec.db.in
new file mode 100644
index 0000000..7978598
--- /dev/null
+++ b/bin/tests/system/xfer/ns2/sec.db.in
@@ -0,0 +1,19 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 5
+
+@			IN SOA	ns1 hostmaster 1 5 5 5 5
+@			NS	ns1
+ns1			A	10.53.0.1
+a01			A	1.1.1.1
+a02			A	255.255.255.255
+
diff --git a/bin/tests/system/xfer/ns3/named.conf.in b/bin/tests/system/xfer/ns3/named.conf.in
new file mode 100644
index 0000000..16d0759
--- /dev/null
+++ b/bin/tests/system/xfer/ns3/named.conf.in
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation no;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.3 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+key tsigzone. {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "example.bk";
+};
+
+zone "primary" {
+	type secondary;
+        transfer-source 10.53.0.3 port @EXTRAPORT1@;
+	primaries { 10.53.0.6; };
+	file "primary.bk";
+};
+
+server 10.53.0.2 {
+	keys { tsigzone.; };
+};
+
+zone "tsigzone" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "tsigzone.bk";
+	allow-transfer { key tsigzone.; };
+};
+
+zone "mapped" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	masterfile-format raw;
+	file "mapped.bk";
+};
+
+zone "xfer-stats" {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "xfer-stats.bk";
+};
diff --git a/bin/tests/system/xfer/ns4/named.conf.base b/bin/tests/system/xfer/ns4/named.conf.base
new file mode 100644
index 0000000..35311e1
--- /dev/null
+++ b/bin/tests/system/xfer/ns4/named.conf.base
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	blackhole { none; };
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+key unused_key. {
+	secret "1234abcd8765";
+	algorithm hmac-md5;
+};
+
+key tsig_key. {
+	secret "LSAnCU+Z";
+	algorithm hmac-md5;
+};
+
+controls {
+	inet 10.53.0.4 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/xfer/ns4/root.db.in b/bin/tests/system/xfer/ns4/root.db.in
new file mode 100644
index 0000000..29ee0ec
--- /dev/null
+++ b/bin/tests/system/xfer/ns4/root.db.in
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@ 0 SOA . . 0 0 0 0 0
+@ 0 NS .
+@ 0 A 10.53.0.4
diff --git a/bin/tests/system/xfer/ns6/named.args b/bin/tests/system/xfer/ns6/named.args
new file mode 100644
index 0000000..2be062b
--- /dev/null
+++ b/bin/tests/system/xfer/ns6/named.args
@@ -0,0 +1 @@
+-D xfer-ns6 -X named.lock -m record -c named.conf -d 99 -g -U 4 -T maxcachesize=2097152 -T transferinsecs
diff --git a/bin/tests/system/xfer/ns6/named.conf.in b/bin/tests/system/xfer/ns6/named.conf.in
new file mode 100644
index 0000000..87397b0
--- /dev/null
+++ b/bin/tests/system/xfer/ns6/named.conf.in
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.6 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.6;
+	notify-source 10.53.0.6;
+	transfer-source 10.53.0.6;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.6; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	ixfr-from-differences primary;
+	check-integrity no;
+	tcp-idle-timeout 600;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "primary" {
+	type primary;
+	file "primary.db";
+};
+
+zone "secondary" {
+	type secondary;
+	notify no;
+	primaries { 10.53.0.1; };
+	file "sec.bk";
+};
+
+zone "edns-expire" {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "edns-expire.bk";
+};
+
+zone "axfr-max-transfer-time" {
+	type secondary;
+	max-transfer-time-in 1; # this is tested as seconds, when used with '-T transferinsecs'
+	primaries { 10.53.0.1; };
+	file "axfr-max-transfer-time.bk";
+};
+
+zone "axfr-max-idle-time" {
+	type secondary;
+	max-transfer-idle-in 50;  # this is tested as seconds, when used with '-T transferinsecs'
+	primaries { 10.53.0.1; };
+	file "axfr-max-idle-time.bk";
+};
+
+zone "axfr-too-big" {
+	type secondary;
+	max-records 30;
+	primaries { 10.53.0.1; };
+	file "axfr-too-big.bk";
+};
+
+zone "ixfr-too-big" {
+	type secondary;
+	max-records 30;
+	primaries { 10.53.0.1; };
+	file "ixfr-too-big.bk";
+};
diff --git a/bin/tests/system/xfer/ns7/named.conf.in b/bin/tests/system/xfer/ns7/named.conf.in
new file mode 100644
index 0000000..47a9b05
--- /dev/null
+++ b/bin/tests/system/xfer/ns7/named.conf.in
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.7 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.7;
+	notify-source 10.53.0.7;
+	transfer-source 10.53.0.7;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.7; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+	ixfr-from-differences secondary;
+	check-integrity no;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "primary2" {
+	type primary;
+	file "primary2.db";
+};
+
+zone "secondary" {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "sec.bk";
+};
+
+zone "edns-expire" {
+	type secondary;
+	primaries { 10.53.0.6; };
+	file "edns-expire.bk";
+};
diff --git a/bin/tests/system/xfer/ns8/example.db b/bin/tests/system/xfer/ns8/example.db
new file mode 100644
index 0000000..8e8ccb9
--- /dev/null
+++ b/bin/tests/system/xfer/ns8/example.db
@@ -0,0 +1,24 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300	; 5 minutes
+@			SOA	mname1. . (
+				2000062101 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+			NS	ns
+ns			A	10.53.0.1
+
+$INCLUDE large.db
+$INCLUDE small.db
diff --git a/bin/tests/system/xfer/ns8/named.conf.in b/bin/tests/system/xfer/ns8/named.conf.in
new file mode 100644
index 0000000..831e934
--- /dev/null
+++ b/bin/tests/system/xfer/ns8/named.conf.in
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+include "../../common/rndc.key";
+
+controls {
+	inet 10.53.0.8 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+options {
+	query-source address 10.53.0.8;
+	notify-source 10.53.0.8;
+	transfer-source 10.53.0.8;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.8; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+	transfer-message-size 1024;
+};
+
+key key1. {
+	algorithm hmac-md5;
+	secret "1234abcd8765";
+};
+
+acl tzkey {
+	key key1.;
+};
+
+zone "example." {
+	type primary;
+	file "example.db";
+	allow-transfer { tzkey; };
+};
diff --git a/bin/tests/system/xfer/prereq.sh b/bin/tests/system/xfer/prereq.sh
new file mode 100644
index 0000000..c7b7828
--- /dev/null
+++ b/bin/tests/system/xfer/prereq.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+# macOS ships with Net::DNS 0.74 which does not work with
+# HMAC-SHA256, despite the workarounds in ans.pl
+
+if perl -MNet::DNS -e 'exit $Net::DNS::VERSION >= 1.0'
+then
+	version=$(perl -MNet::DNS -e 'print $Net::DNS::VERSION')
+	echo_i "perl Net::DNS $version is too old - skipping xfer test"
+	exit 1
+fi
+
+exit 0
diff --git a/bin/tests/system/xfer/setup.sh b/bin/tests/system/xfer/setup.sh
new file mode 100644
index 0000000..ff64d8f
--- /dev/null
+++ b/bin/tests/system/xfer/setup.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 1 6 7 >ns1/sec.db
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 1 6 7 >ns1/edns-expire.db
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 2 3 >ns2/example.db
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 2 3 >ns2/tsigzone.db
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 6 3 >ns6/primary.db
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 7 >ns7/primary2.db
+
+cp -f ns4/root.db.in ns4/root.db
+$PERL -e 'for ($i=0;$i<10000;$i++){ printf("x%u 0 in a 10.53.0.1\n", $i);}' >> ns4/root.db
+
+copy_setports ns1/named1.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns6/named.conf.in ns6/named.conf
+copy_setports ns7/named.conf.in ns7/named.conf
+copy_setports ns8/named.conf.in ns8/named.conf
+
+copy_setports ns4/named.conf.base ns4/named.conf
+
+cp ns1/dot-fallback.db.in ns1/dot-fallback.db
+
+cp ns2/sec.db.in ns2/sec.db
+touch -t 200101010000 ns2/sec.db
+
+cp ns2/mapped.db.in ns2/mapped.db
+
+$PERL -e 'for ($i=0;$i<4096;$i++){ printf("name%u 259200 A 1.2.3.4\nname%u 259200 TXT \"Hello World %u\"\n", $i, $i, $i);}' > ns8/small.db
+$PERL -e 'printf("large IN TYPE45234 \\# 48000 "); for ($i=0;$i<16*3000;$i++) { printf("%02x", $i % 256); } printf("\n");' > ns8/large.db
+
+cp -f ns1/ixfr-too-big.db.in ns1/ixfr-too-big.db
diff --git a/bin/tests/system/xfer/tests.sh b/bin/tests/system/xfer/tests.sh
new file mode 100755
index 0000000..f012d8b
--- /dev/null
+++ b/bin/tests/system/xfer/tests.sh
@@ -0,0 +1,627 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +noadd +nosea +nostat +noquest +nocomm +nocmd -p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+NS_PARAMS="-X named.lock -m record -c named.conf -d 99 -g -U 4 -T maxcachesize=2097152"
+
+status=0
+n=0
+
+n=$((n+1))
+echo_i "testing basic zone transfer functionality (from primary) ($n)"
+tmp=0
+$DIG $DIGOPTS example. @10.53.0.2 axfr > dig.out.ns2.test$n || tmp=1
+grep "^;" dig.out.ns2.test$n | cat_i
+digcomp dig1.good dig.out.ns2.test$n || tmp=1
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "testing basic zone transfer functionality (from secondary) ($n)"
+tmp=0
+#
+# Spin to allow the zone to transfer.
+#
+wait_for_xfer () {
+	ZONE=$1
+	SERVER=$2
+	$DIG $DIGOPTS $ZONE @$SERVER axfr > dig.out.test$n || return 1
+	grep "^;" dig.out.test$n > /dev/null && return 1
+	return 0
+}
+retry_quiet 25 wait_for_xfer example. 10.53.0.3 || tmp=1
+grep "^;" dig.out.test$n | cat_i
+digcomp dig1.good dig.out.test$n || tmp=1
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "testing zone transfer functionality (fallback to DNS after DoT failed) ($n)"
+tmp=0
+retry_quiet 25 wait_for_xfer dot-fallback. 10.53.0.2 || tmp=1
+grep "^;" dig.out.test$n | cat_i
+digcomp dig3.good dig.out.test$n || tmp=1
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "testing TSIG signed zone transfers ($n)"
+tmp=0
+$DIG $DIGOPTS tsigzone. @10.53.0.2 axfr -y tsigzone.:1234abcd8765 > dig.out.ns2.test$n || tmp=1
+grep "^;" dig.out.ns2.test$n | cat_i
+
+#
+# Spin to allow the zone to transfer.
+#
+wait_for_xfer_tsig () {
+	$DIG $DIGOPTS tsigzone. @10.53.0.3 axfr -y tsigzone.:1234abcd8765 > dig.out.ns3.test$n || return 1
+	grep "^;" dig.out.ns3.test$n > /dev/null && return 1
+	return 0
+}
+retry_quiet 25 wait_for_xfer_tsig || tmp=1
+grep "^;" dig.out.ns3.test$n | cat_i
+digcomp dig.out.ns2.test$n dig.out.ns3.test$n || tmp=1
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+echo_i "reload servers for in preparation for ixfr-from-differences tests"
+
+rndc_reload ns1 10.53.0.1
+rndc_reload ns2 10.53.0.2
+rndc_reload ns3 10.53.0.3
+rndc_reload ns6 10.53.0.6
+rndc_reload ns7 10.53.0.7
+
+sleep 2
+
+echo_i "updating primary zones for ixfr-from-differences tests"
+
+$PERL -i -p -e '
+	s/0\.0\.0\.0/0.0.0.1/;
+	s/1397051952/1397051953/
+' ns1/sec.db
+
+rndc_reload ns1 10.53.0.1
+
+$PERL -i -p -e '
+	s/0\.0\.0\.0/0.0.0.1/;
+	s/1397051952/1397051953/
+' ns2/example.db
+
+rndc_reload ns2 10.53.0.2
+
+$PERL -i -p -e '
+	s/0\.0\.0\.0/0.0.0.1/;
+	s/1397051952/1397051953/
+' ns6/primary.db
+
+rndc_reload ns6 10.53.0.6
+
+$PERL -i -p -e '
+	s/0\.0\.0\.0/0.0.0.1/;
+	s/1397051952/1397051953/
+' ns7/primary2.db
+
+rndc_reload ns7 10.53.0.7
+
+sleep 3
+
+n=$((n+1))
+echo_i "testing zone is dumped after successful transfer ($n)"
+tmp=0
+$DIG $DIGOPTS +noall +answer +multi @10.53.0.2 \
+	secondary. soa > dig.out.ns2.test$n || tmp=1
+grep "1397051952 ; serial" dig.out.ns2.test$n > /dev/null 2>&1 || tmp=1
+grep "1397051952 ; serial" ns2/sec.db > /dev/null 2>&1 || tmp=1
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "testing ixfr-from-differences yes; ($n)"
+tmp=0
+
+echo_i "wait for reloads..."
+wait_for_reloads() (
+	$DIG $DIGOPTS @10.53.0.6 +noall +answer soa primary > dig.out.soa1.ns6.test$n
+	grep "1397051953" dig.out.soa1.ns6.test$n > /dev/null || return 1
+	$DIG $DIGOPTS @10.53.0.1 +noall +answer soa secondary  > dig.out.soa2.ns1.test$n
+	grep "1397051953" dig.out.soa2.ns1.test$n > /dev/null || return 1
+	$DIG $DIGOPTS @10.53.0.2 +noall +answer soa example > dig.out.soa3.ns2.test$n
+	grep "1397051953" dig.out.soa3.ns2.test$n > /dev/null || return 1
+	return 0
+)
+retry_quiet 20 wait_for_reloads || tmp=1
+
+echo_i "wait for transfers..."
+wait_for_transfers() (
+	a=0 b=0 c=0 d=0
+	$DIG $DIGOPTS @10.53.0.3 +noall +answer soa example > dig.out.soa1.ns3.test$n
+	grep "1397051953" dig.out.soa1.ns3.test$n > /dev/null && a=1
+	$DIG $DIGOPTS @10.53.0.3 +noall +answer soa primary > dig.out.soa2.ns3.test$n
+	grep "1397051953" dig.out.soa2.ns3.test$n > /dev/null && b=1
+	$DIG $DIGOPTS @10.53.0.6 +noall +answer soa secondary > dig.out.soa3.ns6.test$n
+	grep "1397051953" dig.out.soa3.ns6.test$n > /dev/null && c=1
+	[ $a -eq 1 -a $b -eq 1 -a $c -eq 1 ] && return 0
+
+	# re-notify if necessary
+	$RNDCCMD 10.53.0.6 notify primary 2>&1 | sed 's/^/ns6 /' | cat_i
+	$RNDCCMD 10.53.0.1 notify secondary 2>&1 | sed 's/^/ns1 /' | cat_i
+	$RNDCCMD 10.53.0.2 notify example 2>&1 | sed 's/^/ns2 /' | cat_i
+	return 1
+)
+retry_quiet 20 wait_for_transfers || tmp=1
+
+$DIG $DIGOPTS example. \
+	@10.53.0.3 axfr > dig.out.ns3.test$n || tmp=1
+grep "^;" dig.out.ns3.test$n | cat_i
+
+digcomp dig2.good dig.out.ns3.test$n || tmp=1
+
+# ns3 has a journal iff it received an IXFR.
+test -f ns3/example.bk || tmp=1
+test -f ns3/example.bk.jnl || tmp=1
+
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "testing ixfr-from-differences primary; (primary zone) ($n)"
+tmp=0
+
+$DIG $DIGOPTS primary. \
+	@10.53.0.6 axfr > dig.out.ns6.test$n || tmp=1
+grep "^;" dig.out.ns6.test$n | cat_i
+
+$DIG $DIGOPTS primary. \
+	@10.53.0.3 axfr > dig.out.ns3.test$n || tmp=1
+grep "^;" dig.out.ns3.test$n > /dev/null && cat_i < dig.out.ns3.test$n
+
+digcomp dig.out.ns6.test$n dig.out.ns3.test$n || tmp=1
+
+# ns3 has a journal iff it received an IXFR.
+test -f ns3/primary.bk || tmp=1
+test -f ns3/primary.bk.jnl || tmp=1
+
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "testing ixfr-from-differences primary; (secondary zone) ($n)"
+tmp=0
+
+$DIG $DIGOPTS secondary. \
+	@10.53.0.6 axfr > dig.out.ns6.test$n || tmp=1
+grep "^;" dig.out.ns6.test$n | cat_i
+
+$DIG $DIGOPTS secondary. \
+	@10.53.0.1 axfr > dig.out.ns1.test$n || tmp=1
+grep "^;" dig.out.ns1.test$n | cat_i
+
+digcomp dig.out.ns6.test$n dig.out.ns1.test$n || tmp=1
+
+# ns6 has a journal iff it received an IXFR.
+test -f ns6/sec.bk || tmp=1
+test -f ns6/sec.bk.jnl && tmp=1
+
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "testing ixfr-from-differences secondary; (secondary zone) ($n)"
+tmp=0
+
+# ns7 has a journal iff it generates an IXFR.
+test -f ns7/primary2.db || tmp=1
+test -f ns7/primary2.db.jnl && tmp=1
+
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "testing ixfr-from-differences secondary; (secondary zone) ($n)"
+tmp=0
+
+$DIG $DIGOPTS secondary. \
+	@10.53.0.1 axfr > dig.out.ns1.test$n || tmp=1
+grep "^;" dig.out.ns1.test$n | cat_i
+
+$DIG $DIGOPTS secondary. \
+	@10.53.0.7 axfr > dig.out.ns7.test$n || tmp=1
+grep "^;" dig.out.ns7.test$n | cat_i
+
+digcomp dig.out.ns7.test$n dig.out.ns1.test$n || tmp=1
+
+# ns7 has a journal iff it generates an IXFR.
+test -f ns7/sec.bk || tmp=1
+test -f ns7/sec.bk.jnl || tmp=1
+
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "check that a multi-message uncompressable zone transfers ($n)"
+$DIG axfr . -p ${PORT} @10.53.0.4 | grep SOA > axfr.out
+if test $(wc -l < axfr.out) != 2
+then
+	 echo_i "failed"
+         status=$((status+1))
+fi
+
+# now we test transfers with assorted TSIG glitches
+DIGCMD="$DIG $DIGOPTS @10.53.0.4"
+
+sendcmd() {
+    send 10.53.0.5 "$EXTRAPORT1"
+}
+
+echo_i "testing that incorrectly signed transfers will fail..."
+n=$((n+1))
+echo_i "initial correctly-signed transfer should succeed ($n)"
+
+sendcmd < ans5/goodaxfr
+
+# Initially, ns4 is not authoritative for anything.
+# Now that ans is up and running with the right data, we make ns4
+# a secondary for nil.
+
+cat <<EOF >>ns4/named.conf
+zone "nil" {
+	type secondary;
+	file "nil.db";
+	primaries { 10.53.0.5 key tsig_key; };
+};
+EOF
+
+nextpart ns4/named.run >/dev/null
+
+rndc_reload ns4 10.53.0.4
+
+wait_for_soa() (
+	$DIGCMD nil. SOA > dig.out.ns4.test$n
+	grep SOA dig.out.ns4.test$n > /dev/null
+)
+retry_quiet 10 wait_for_soa
+
+nextpart ns4/named.run | grep "Transfer status: success" > /dev/null || {
+    echo_i "failed: expected status was not logged"
+    status=$((status+1))
+}
+
+$DIGCMD nil. TXT | grep 'initial AXFR' >/dev/null || {
+    echo_i "failed"
+    status=$((status+1))
+}
+
+n=$((n+1))
+echo_i "unsigned transfer ($n)"
+
+sendcmd < ans5/unsigned
+sleep 1
+
+$RNDCCMD 10.53.0.4 retransfer nil | sed 's/^/ns4 /' | cat_i
+
+sleep 2
+
+nextpart ns4/named.run | grep "Transfer status: expected a TSIG or SIG(0)" > /dev/null || {
+    echo_i "failed: expected status was not logged"
+    status=$((status+1))
+}
+
+$DIGCMD nil. TXT | grep 'unsigned AXFR' >/dev/null && {
+    echo_i "failed"
+    status=$((status+1))
+}
+
+n=$((n+1))
+echo_i "bad keydata ($n)"
+
+sendcmd < ans5/badkeydata
+
+$RNDCCMD 10.53.0.4 retransfer nil | sed 's/^/ns4 /' | cat_i
+
+sleep 2
+
+nextpart ns4/named.run | grep "Transfer status: tsig verify failure" > /dev/null || {
+    echo_i "failed: expected status was not logged"
+    status=$((status+1))
+}
+
+$DIGCMD nil. TXT | grep 'bad keydata AXFR' >/dev/null && {
+    echo_i "failed"
+    status=$((status+1))
+}
+
+n=$((n+1))
+echo_i "partially-signed transfer ($n)"
+
+sendcmd < ans5/partial
+
+$RNDCCMD 10.53.0.4 retransfer nil | sed 's/^/ns4 /' | cat_i
+
+sleep 2
+
+nextpart ns4/named.run | grep "Transfer status: expected a TSIG or SIG(0)" > /dev/null || {
+    echo_i "failed: expected status was not logged"
+    status=$((status+1))
+}
+
+$DIGCMD nil. TXT | grep 'partially signed AXFR' >/dev/null && {
+    echo_i "failed"
+    status=$((status+1))
+}
+
+n=$((n+1))
+echo_i "unknown key ($n)"
+
+sendcmd < ans5/unknownkey
+
+$RNDCCMD 10.53.0.4 retransfer nil | sed 's/^/ns4 /' | cat_i
+
+sleep 2
+
+nextpart ns4/named.run | grep "tsig key 'tsig_key': key name and algorithm do not match" > /dev/null || {
+    echo_i "failed: expected status was not logged"
+    status=$((status+1))
+}
+
+$DIGCMD nil. TXT | grep 'unknown key AXFR' >/dev/null && {
+    echo_i "failed"
+    status=$((status+1))
+}
+
+n=$((n+1))
+echo_i "incorrect key ($n)"
+
+sendcmd < ans5/wrongkey
+
+$RNDCCMD 10.53.0.4 retransfer nil | sed 's/^/ns4 /' | cat_i
+
+sleep 2
+
+nextpart ns4/named.run | grep "tsig key 'tsig_key': key name and algorithm do not match" > /dev/null || {
+    echo_i "failed: expected status was not logged"
+    status=$((status+1))
+}
+
+$DIGCMD nil. TXT | grep 'incorrect key AXFR' >/dev/null && {
+    echo_i "failed"
+    status=$((status+1))
+}
+
+n=$((n+1))
+echo_i "bad question section ($n)"
+
+sendcmd < ans5/wrongname
+
+$RNDCCMD 10.53.0.4 retransfer nil | sed 's/^/ns4 /' | cat_i
+
+sleep 2
+
+nextpart ns4/named.run | grep "question name mismatch" > /dev/null || {
+    echo_i "failed: expected status was not logged"
+    status=$((status+1))
+}
+
+$DIGCMD nil. TXT | grep 'wrong question AXFR' >/dev/null && {
+    echo_i "failed"
+    status=$((status+1))
+}
+
+n=$((n+1))
+echo_i "bad message id ($n)"
+
+sendcmd < ans5/badmessageid
+
+# Uncomment to see AXFR stream with mismatching IDs.
+# $DIG $DIGOPTS @10.53.0.5 -y tsig_key:LSAnCU+Z nil. AXFR +all
+
+$RNDCCMD 10.53.0.4 retransfer nil | sed 's/^/ns4 /' | cat_i
+
+sleep 2
+
+nextpart ns4/named.run | grep "unexpected message id" > /dev/null || {
+    echo_i "failed: expected status was not logged"
+    status=$((status+1))
+}
+
+$DIGCMD nil. TXT | grep 'bad message id' >/dev/null && {
+    echo_i "failed"
+    status=$((status+1))
+}
+
+n=$((n+1))
+echo_i "mismatched SOA ($n)"
+
+sendcmd < ans5/soamismatch
+
+$RNDCCMD 10.53.0.4 retransfer nil | sed 's/^/ns4 /' | cat_i
+
+sleep 2
+
+nextpart ns4/named.run | grep "Transfer status: FORMERR" > /dev/null || {
+    echo_i "failed: expected status was not logged"
+    status=$((status+1))
+}
+
+$DIGCMD nil. TXT | grep 'SOA mismatch AXFR' >/dev/null && {
+    echo_i "failed"
+    status=$((status+1))
+}
+
+n=$((n+1))
+echo_i "check that we ask for and get a EDNS EXPIRE response ($n)"
+# force a refresh query
+$RNDCCMD 10.53.0.7 refresh edns-expire 2>&1 | sed 's/^/ns7 /' | cat_i
+sleep 10
+
+# there may be multiple log entries so get the last one.
+expire=$(awk '/edns-expire\/IN: got EDNS EXPIRE of/ { x=$9 } END { print x }' ns7/named.run)
+test ${expire:-0} -gt 0 -a ${expire:-0} -lt 1814400 || {
+    echo_i "failed (expire=${expire:-0})"
+    status=$((status+1))
+}
+
+n=$((n+1))
+echo_i "test smaller transfer TCP message size ($n)"
+$DIG $DIGOPTS example. @10.53.0.8 axfr \
+	-y key1.:1234abcd8765 > dig.out.msgsize.test$n || status=1
+
+bytes=$(wc -c < dig.out.msgsize.test$n)
+if [ $bytes -ne 459357 ]; then
+	echo_i "failed axfr size check"
+        status=$((status+1))
+fi
+
+num_messages=$(cat ns8/named.run | grep "sending TCP message of" | wc -l)
+if [ $num_messages -le 300 ]; then
+	echo_i "failed transfer message count check"
+        status=$((status+1))
+fi
+
+n=$((n+1))
+echo_i "test mapped zone with out of zone data ($n)"
+tmp=0
+$DIG -p ${PORT} txt mapped @10.53.0.3 > dig.out.1.test$n
+grep "status: NOERROR," dig.out.1.test$n > /dev/null || tmp=1
+stop_server ns3
+start_server --noclean --restart --port ${PORT} ns3
+check_mapped () {
+	$DIG -p ${PORT} txt mapped @10.53.0.3 > dig.out.2.test$n
+	grep "status: NOERROR," dig.out.2.test$n > /dev/null || return 1
+	$DIG -p ${PORT} axfr mapped @10.53.0.3 > dig.out.3.test$n
+	digcomp knowngood.mapped dig.out.3.test$n || return 1
+	return 0
+}
+retry_quiet 10 check_mapped || tmp=1
+[ "$tmp" -ne 0 ] && echo_i "failed"
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "test that a zone with too many records is rejected (AXFR) ($n)"
+tmp=0
+grep "'axfr-too-big/IN'.*: too many records" ns6/named.run >/dev/null || tmp=1
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "test that a zone with too many records is rejected (IXFR) ($n)"
+tmp=0
+nextpart ns6/named.run > /dev/null
+$NSUPDATE << EOF
+zone ixfr-too-big
+server 10.53.0.1 ${PORT}
+update add the-31st-record.ixfr-too-big 0 TXT this is it
+send
+EOF
+msg="'ixfr-too-big/IN' from 10.53.0.1#${PORT}: Transfer status: too many records"
+wait_for_log 10 "$msg" ns6/named.run || tmp=1
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "checking whether dig calculates AXFR statistics correctly ($n)"
+tmp=0
+# Loop until the secondary server manages to transfer the "xfer-stats" zone so
+# that we can both check dig output and immediately proceed with the next test.
+# Use -b so that we can discern between incoming and outgoing transfers in ns3
+# logs later on.
+wait_for_xfer() (
+	$DIG $DIGOPTS +noedns +stat -b 10.53.0.2 @10.53.0.3 xfer-stats. AXFR > dig.out.ns3.test$n
+	grep "; Transfer failed" dig.out.ns3.test$n > /dev/null || return 0
+	return 1
+)
+if retry_quiet 10 wait_for_xfer; then
+	get_dig_xfer_stats dig.out.ns3.test$n > stats.dig
+	diff axfr-stats.good stats.dig || tmp=1
+else
+	echo_i "timed out waiting for zone transfer"
+fi
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+# Note: in the next two tests, we use ns3 logs for checking both incoming and
+# outgoing transfer statistics as ns3 is both a secondary server (for ns1) and a
+# primary server (for dig queries from the previous test) for "xfer-stats".
+n=$((n+1))
+echo_i "checking whether named calculates incoming AXFR statistics correctly ($n)"
+tmp=0
+get_named_xfer_stats ns3/named.run 10.53.0.1 xfer-stats "Transfer completed" > stats.incoming
+diff axfr-stats.good stats.incoming || tmp=1
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "checking whether named calculates outgoing AXFR statistics correctly ($n)"
+tmp=0
+check_xfer_stats() {
+	get_named_xfer_stats ns3/named.run 10.53.0.2 xfer-stats "AXFR ended" > stats.outgoing
+	diff axfr-stats.good stats.outgoing > /dev/null
+}
+retry_quiet 10 check_xfer_stats || tmp=1
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+n=$((n+1))
+echo_i "test that transfer-source uses port option correctly ($n)"
+tmp=0
+grep "10.53.0.3#${EXTRAPORT1} (primary): query 'primary/SOA/IN' approved" ns6/named.run > /dev/null || tmp=1
+if test $tmp != 0 ; then echo_i "failed"; fi
+status=$((status+tmp))
+
+wait_for_message() (
+	nextpartpeek ns6/named.run > wait_for_message.$n
+	grep -F "$1" wait_for_message.$n >/dev/null
+)
+
+nextpart ns6/named.run > /dev/null
+
+n=$((n+1))
+echo_i "test max-transfer-time-in with 1 second timeout ($n)"
+stop_server ns1
+copy_setports ns1/named2.conf.in ns1/named.conf
+start_server --noclean --restart --port ${PORT} ns1 -- "-D xfer-ns1 $NS_PARAMS -T transferinsecs -T transferslowly"
+sleep 1
+$RNDCCMD 10.53.0.6 retransfer axfr-max-transfer-time 2>&1 | sed 's/^/ns6 /' | cat_i
+tmp=0
+retry_quiet 10 wait_for_message "maximum transfer time exceeded: timed out" || tmp=1
+status=$((status+tmp))
+
+nextpart ns6/named.run > /dev/null
+
+n=$((n+1))
+echo_i "test max-transfer-idle-in with 50 seconds timeout ($n)"
+stop_server ns1
+copy_setports ns1/named3.conf.in ns1/named.conf
+start_server --noclean --restart --port ${PORT} ns1 -- "-D xfer-ns1 $NS_PARAMS -T transferinsecs -T transferstuck"
+sleep 1
+start=$(date +%s)
+$RNDCCMD 10.53.0.6 retransfer axfr-max-idle-time 2>&1 | sed 's/^/ns6 /' | cat_i
+tmp=0
+retry_quiet 60 wait_for_message "maximum idle time exceeded: timed out" || tmp=1
+if [ $tmp -eq 0 ]; then
+	now=$(date +%s)
+	diff=$((now - start))
+	# we expect a timeout in 50 seconds
+	test $diff -lt 50 && tmp=1
+	test $diff -ge 59 && tmp=1
+	if test $tmp != 0 ; then echo_i "unexpected diff value: ${diff}"; fi
+fi
+status=$((status+tmp))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/xfer/tests_sh_xfer.py b/bin/tests/system/xfer/tests_sh_xfer.py
new file mode 100644
index 0000000..c83d6e9
--- /dev/null
+++ b/bin/tests/system/xfer/tests_sh_xfer.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_xfer(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/xferquota/clean.sh b/bin/tests/system/xferquota/clean.sh
new file mode 100644
index 0000000..9cc4057
--- /dev/null
+++ b/bin/tests/system/xferquota/clean.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Clean up after zone transfer quota tests.
+#
+
+rm -f ns1/zone*.example.db ns1/zones.conf
+rm -f ns2/zone*.example.bk ns2/zones.conf
+rm -f dig.out.* ns2/changing.bk
+rm -f ns1/changing.db
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/xferquota/ns1/changing1.db b/bin/tests/system/xferquota/ns1/changing1.db
new file mode 100644
index 0000000..0b5e893
--- /dev/null
+++ b/bin/tests/system/xferquota/ns1/changing1.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	600
+
+@               IN      SOA     dns1.changing. postmaster.changing. (
+                        1               ;; serial
+                        3600            ;; refresh period
+                        1800            ;; retry interval
+                        604800          ;; expire time
+                        600 )           ;; default TTL
+
+		IN	NS		dns1.changing.
+			NS		dns2.changing.
+
+dns1		IN	A		10.53.0.1
+dns2		IN	A		10.53.0.2
+
+a		IN	A		10.0.0.1
diff --git a/bin/tests/system/xferquota/ns1/changing2.db b/bin/tests/system/xferquota/ns1/changing2.db
new file mode 100644
index 0000000..33dd7f4
--- /dev/null
+++ b/bin/tests/system/xferquota/ns1/changing2.db
@@ -0,0 +1,27 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL	600
+
+@               IN      SOA     dns1.changing. postmaster.changing. (
+                        2               ;; serial
+                        3600            ;; refresh period
+                        1800            ;; retry interval
+                        604800          ;; expire time
+                        600 )           ;; default TTL
+
+		IN	NS		dns1.changing.
+			NS		dns2.changing.
+
+dns1		IN	A		10.53.0.1
+dns2		IN	A		10.53.0.2
+
+a		IN	A		10.0.0.2
diff --git a/bin/tests/system/xferquota/ns1/named.conf.in b/bin/tests/system/xferquota/ns1/named.conf.in
new file mode 100644
index 0000000..e868318
--- /dev/null
+++ b/bin/tests/system/xferquota/ns1/named.conf.in
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
+
+zone "changing." {
+	type primary;
+	file "changing.db";
+};
+
+include "zones.conf";
diff --git a/bin/tests/system/xferquota/ns1/root.db b/bin/tests/system/xferquota/ns1/root.db
new file mode 100644
index 0000000..c5049f4
--- /dev/null
+++ b/bin/tests/system/xferquota/ns1/root.db
@@ -0,0 +1,29 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+. 			IN SOA	gson.nominum.com. a.root.servers.nil. (
+				2000042100   	; serial
+				600         	; refresh
+				600         	; retry
+				1200    	; expire
+				600       	; minimum
+				)
+.			NS	a.root-servers.nil.
+a.root-servers.nil.	A	10.53.0.1
+
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+
+changing.		NS	dns1.changing.
+			A	10.53.0.1
+			NS	dns2.changing.
+			A	10.53.0.2
diff --git a/bin/tests/system/xferquota/ns2/example.db b/bin/tests/system/xferquota/ns2/example.db
new file mode 100644
index 0000000..e1d2b82
--- /dev/null
+++ b/bin/tests/system/xferquota/ns2/example.db
@@ -0,0 +1,146 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$ORIGIN .
+$TTL 300	; 5 minutes
+example			IN SOA	mname1. . (
+				2000042795 ; serial
+				20         ; refresh (20 seconds)
+				20         ; retry (20 seconds)
+				1814400    ; expire (3 weeks)
+				3600       ; minimum (1 hour)
+				)
+example.		NS	ns2.example.
+ns2.example.		A	10.53.0.2
+example.		NS	ns3.example.
+ns3.example.		A	10.53.0.3
+
+$ORIGIN example.
+*			MX	10 mail
+a			TXT	"foo foo foo"
+			PTR	foo.net.
+$TTL 3600	; 1 hour
+a01			A	0.0.0.0
+a02			A	255.255.255.255
+a601			AAAA	ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+afsdb01			AFSDB	0 hostname
+afsdb02			AFSDB	65535 .
+$TTL 300	; 5 minutes
+b			CNAME	foo.net.
+c			A	73.80.65.49
+$TTL 3600	; 1 hour
+cert01			CERT	65534 65535 PRIVATEOID (
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+cname01			CNAME	cname-target.
+cname02			CNAME	cname-target
+cname03			CNAME	.
+$TTL 300	; 5 minutes
+d			A	73.80.65.49
+$TTL 3600	; 1 hour
+dname01			DNAME	dname-target.
+dname02			DNAME	dname-target
+dname03			DNAME	.
+$TTL 300	; 5 minutes
+e			MX	10 mail
+			TXT	"one"
+			TXT	"three"
+			TXT	"two"
+			A	73.80.65.49
+			A	73.80.65.50
+			A	73.80.65.52
+			A	73.80.65.51
+f			A	73.80.65.52
+$TTL 3600	; 1 hour
+gpos01			GPOS	"-22.6882" "116.8652" "250.0"
+gpos02			GPOS	"" "" ""
+hinfo01			HINFO	"Generic PC clone" "NetBSD-1.4"
+hinfo02			HINFO	"PC" "NetBSD"
+isdn01			ISDN	"isdn-address"
+isdn02			ISDN	"isdn-address" "subaddress"
+isdn03			ISDN	"isdn-address"
+isdn04			ISDN	"isdn-address" "subaddress"
+dnskey01		DNSKEY	512 255 1 (
+				AQMFD5raczCJHViKtLYhWGz8hMY9UGRuniJDBzC7w0aR
+				yzWZriO6i2odGWWQVucZqKVsENW91IOW4vqudngPZsY3
+				GvQ/xVA8/7pyFj6b7Esga60zyGW6LFe9r8n6paHrlG5o
+				jqf0BaqHT+8= )
+kx01			KX	10 kdc
+kx02			KX	10 .
+loc01			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+loc02			LOC	60 9 0.000 N 24 39 0.000 E 10.00m 20m 2000m 20m
+mb01			MG	madname
+mb02			MG	.
+mg01			MG	mgmname
+mg02			MG	.
+minfo01			MINFO	rmailbx emailbx
+minfo02			MINFO	. .
+mr01			MR	mrname
+mr02			MR	.
+mx01			MX	10 mail
+mx02			MX	10 .
+naptr01			NAPTR	0 0 "" "" "" .
+naptr02			NAPTR	65535 65535 "blurgh" "blorf" ":(.*):\\1:" foo.
+nsap-ptr01		NSAP-PTR foo.
+			NSAP-PTR .
+nsap01			NSAP	0x47000580005a0000000001e133ffffff00016100
+nsap02			NSAP	0x47000580005a0000000001e133ffffff00016100
+nsec01			NSEC	a.secure ( NS SOA MX RRSIG DNSKEY LOC NSEC )
+nsec02			NSEC	. ( NSAP-PTR NSEC )
+nsec03			NSEC	. ( A )
+nsec04			NSEC	. ( 127 )
+ptr01			PTR	example.
+px01			PX	65535 foo. bar.
+px02			PX	65535 . .
+rp01			RP	mbox-dname txt-dname
+rp02			RP	. .
+rt01			RT	0 intermediate-host
+rt02			RT	65535 .
+$TTL 300	; 5 minutes
+s			NS	ns.s
+$ORIGIN s.example.
+ns			A	73.80.65.49
+$ORIGIN example.
+$TTL 3600	; 1 hour
+rrsig01			RRSIG	NSEC 1 3 3600 20000102030405 (
+				19961211100908 2143 foo
+				MxFcby9k/yvedMfQgKzhH5er0Mu/vILz45IkskceFGgi
+				WCn/GxHhai6VAuHAoNUz4YoU1tVfSCSqQYn6//11U6Nl
+				d80jEeC8aTrO+KKmCaY= )
+srv01			SRV	0 0 0 .
+srv02			SRV	65535 65535 65535 old-slow-box.example.com.
+$TTL 301	; 5 minutes 1 second
+t			A	73.80.65.49
+$TTL 3600	; 1 hour
+txt01			TXT	"foo"
+txt02			TXT	"foo" "bar"
+txt03			TXT	"foo"
+txt04			TXT	"foo" "bar"
+txt05			TXT	"foo bar"
+txt06			TXT	"foo bar"
+txt07			TXT	"foo bar"
+txt08			TXT	"foo\010bar"
+txt09			TXT	"foo\010bar"
+txt10			TXT	"foo bar"
+txt11			TXT	"\"foo\""
+txt12			TXT	"\"foo\""
+$TTL 300	; 5 minutes
+u			TXT	"txt-not-in-nsec"
+$ORIGIN u.example.
+a			A	73.80.65.49
+b			A	73.80.65.49
+$ORIGIN example.
+$TTL 3600	; 1 hour
+wks01			WKS	10.0.0.1 6 ( 0 1 2 21 23 )
+wks02			WKS	10.0.0.1 17 ( 0 1 2 53 )
+wks03			WKS	10.0.0.2 6 ( 65535 )
+x2501			X25	"123456789"
diff --git a/bin/tests/system/xferquota/ns2/named.conf.in b/bin/tests/system/xferquota/ns2/named.conf.in
new file mode 100644
index 0000000..f21938e
--- /dev/null
+++ b/bin/tests/system/xferquota/ns2/named.conf.in
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+	notify no;
+
+	transfers-in 5;
+	transfers-per-ns 5;
+};
+
+zone "." {
+	type hint;
+	file "../../common/root.hint";
+};
+
+zone "changing." {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "changing.bk";
+};
+
+include "zones.conf";
diff --git a/bin/tests/system/xferquota/setup.pl b/bin/tests/system/xferquota/setup.pl
new file mode 100644
index 0000000..ab5450c
--- /dev/null
+++ b/bin/tests/system/xferquota/setup.pl
@@ -0,0 +1,40 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Set up test data for zone transfer quota tests.
+#
+use FileHandle;
+
+my $priconf = new FileHandle("ns1/zones.conf", "w") or die;
+my $secconf  = new FileHandle("ns2/zones.conf", "w") or die;
+
+for ($z = 0; $z < 300; $z++) {
+    my $zn = sprintf("zone%06d.example", $z);
+    print $priconf "zone \"$zn\" { type primary; file \"$zn.db\"; };\n";
+    print $secconf  "zone \"$zn\" { type secondary; file \"$zn.bk\"; masterfile-format text; primaries { 10.53.0.1; }; };\n";
+    my $fn = "ns1/$zn.db";
+    my $f = new FileHandle($fn, "w") or die "open: $fn: $!";
+    print $f "\$TTL 300
+\@	IN SOA 	ns1 . 1 300 120 3600 86400
+	NS	ns1
+	NS	ns2
+ns1	A	10.53.0.1
+ns2	A	10.53.0.2
+	MX	10 mail1.isp.example.
+	MX	20 mail2.isp.example.
+www	A	10.0.0.1
+xyzzy   A       10.0.0.2
+";
+    $f->close;
+}
diff --git a/bin/tests/system/xferquota/setup.sh b/bin/tests/system/xferquota/setup.sh
new file mode 100644
index 0000000..55e34b9
--- /dev/null
+++ b/bin/tests/system/xferquota/setup.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Set up test data for zone transfer quota tests.
+#
+
+. ../conf.sh
+
+$PERL setup.pl
+
+cp -f ns1/changing1.db ns1/changing.db
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
diff --git a/bin/tests/system/xferquota/tests.sh b/bin/tests/system/xferquota/tests.sh
new file mode 100755
index 0000000..46dfba0
--- /dev/null
+++ b/bin/tests/system/xferquota/tests.sh
@@ -0,0 +1,61 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="+tcp +noadd +nosea +nostat +noquest +nocomm +nocmd -p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+#
+# Perform tests
+#
+
+count=0
+ticks=0
+while [ $count != 300 ]; do
+        if [ $ticks = 1 ]; then
+	        echo_i "Changing test zone..."
+		cp -f ns1/changing2.db ns1/changing.db
+                kill -HUP $(cat ns1/named.pid)
+	fi
+	sleep 1
+	ticks=$((ticks + 1))
+	seconds=$((ticks * 1))
+	if [ $ticks = 360 ]; then
+		echo_i "Took too long to load zones"
+		exit 1
+	fi
+	count=$(cat ns2/zone*.bk | grep xyzzy | wc -l)
+	echo_i "Have $count zones up in $seconds seconds"
+done
+
+status=0
+
+$DIG $DIGOPTS zone000099.example. @10.53.0.1 axfr > dig.out.ns1 || status=1
+
+$DIG $DIGOPTS zone000099.example. @10.53.0.2 axfr > dig.out.ns2 || status=1
+
+digcomp dig.out.ns1 dig.out.ns2 || status=1
+
+sleep 15
+
+$DIG $DIGOPTS a.changing. @10.53.0.1 a > dig.out.ns1 || status=1
+
+$DIG $DIGOPTS a.changing. @10.53.0.2 a > dig.out.ns2 || status=1
+
+digcomp dig.out.ns1 dig.out.ns2 || status=1
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/xferquota/tests_sh_xferquota.py b/bin/tests/system/xferquota/tests_sh_xferquota.py
new file mode 100644
index 0000000..762e182
--- /dev/null
+++ b/bin/tests/system/xferquota/tests_sh_xferquota.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_xferquota(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/zero/ans5/ans.pl b/bin/tests/system/zero/ans5/ans.pl
new file mode 100644
index 0000000..3ca1083
--- /dev/null
+++ b/bin/tests/system/zero/ans5/ans.pl
@@ -0,0 +1,81 @@
+#!/usr/bin/perl -w
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+#
+# Don't respond if the "norespond" file exists; otherwise respond to
+# any A or AAAA query.
+#
+
+use IO::File;
+use IO::Socket;
+use Net::DNS;
+use Net::DNS::Packet;
+
+my $localport = int($ENV{'PORT'});
+if (!$localport) { $localport = 5300; }
+
+my $sock = IO::Socket::INET->new(LocalAddr => "10.53.0.5",
+   LocalPort => $localport, Proto => "udp") or die "$!";
+
+my $pidf = new IO::File "ans.pid", "w" or die "cannot open pid file: $!";
+print $pidf "$$\n" or die "cannot write pid file: $!";
+$pidf->close or die "cannot close pid file: $!";
+sub rmpid { unlink "ans.pid"; exit 1; };
+
+$SIG{INT} = \&rmpid;
+$SIG{TERM} = \&rmpid;
+
+my $octet = 0;
+
+for (;;) {
+	$sock->recv($buf, 512);
+
+	print "**** request from " , $sock->peerhost, " port ", $sock->peerport, "\n";
+
+	my $packet;
+
+	if ($Net::DNS::VERSION > 0.68) {
+		$packet = new Net::DNS::Packet(\$buf, 0);
+		$@ and die $@;
+	} else {
+		my $err;
+		($packet, $err) = new Net::DNS::Packet(\$buf, 0);
+		$err and die $err;
+	}
+
+	print "REQUEST:\n";
+	$packet->print;
+
+	$packet->header->qr(1);
+
+	my @questions = $packet->question;
+	my $qname = $questions[0]->qname;
+	my $qtype = $questions[0]->qtype;
+
+	$packet->header->aa(1);
+	if ($qtype eq "A") {
+		$packet->push("answer",
+			      new Net::DNS::RR($qname .
+					       " 0 A 192.0.2." . $octet));
+		$octet = $octet + 1;
+	} elsif ($qtype eq "AAAA") {
+		$packet->push("answer",
+			      new Net::DNS::RR($qname .
+						" 300 AAAA 2001:db8:beef::1"));
+	}
+
+	$sock->send($packet->data);
+	print "RESPONSE:\n";
+	$packet->print;
+	print "\n";
+}
diff --git a/bin/tests/system/zero/clean.sh b/bin/tests/system/zero/clean.sh
new file mode 100644
index 0000000..2ef5727
--- /dev/null
+++ b/bin/tests/system/zero/clean.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f */named.conf
+rm -f */named.run
+rm -f */named.memstats
+rm -f ns2/example.db
+rm -f ns4/example.bk
+rm -f dig.out*
+rm -f query.list
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind*
diff --git a/bin/tests/system/zero/ns1/named.conf.in b/bin/tests/system/zero/ns1/named.conf.in
new file mode 100644
index 0000000..1334c85
--- /dev/null
+++ b/bin/tests/system/zero/ns1/named.conf.in
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "." {
+	type primary;
+	file "root.db";
+};
diff --git a/bin/tests/system/zero/ns1/root.db b/bin/tests/system/zero/ns1/root.db
new file mode 100644
index 0000000..fbcb3e2
--- /dev/null
+++ b/bin/tests/system/zero/ns1/root.db
@@ -0,0 +1,26 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 300
+@	SOA ns1. hostmaster.warn.example. (
+	    1 3600 1200 604800 3600 )
+	NS  ns1.
+ns1. A 10.53.0.1
+;
+example. NS ns2.example.
+ns2.example. A 10.53.0.2
+example. NS ns4.example.
+ns4.example. A 10.53.0.4
+increment. NS incrementns.
+incrementns. A 10.53.0.5
+tld. NS ns2.tld.
+ns2.tld. A 10.53.0.2
+
diff --git a/bin/tests/system/zero/ns2/named.args b/bin/tests/system/zero/ns2/named.args
new file mode 100644
index 0000000..4b7aad6
--- /dev/null
+++ b/bin/tests/system/zero/ns2/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 1 -D zero-ns2 -X named.lock -g -T maxcachesize=2097152
diff --git a/bin/tests/system/zero/ns2/named.conf.in b/bin/tests/system/zero/ns2/named.conf.in
new file mode 100644
index 0000000..751eafd
--- /dev/null
+++ b/bin/tests/system/zero/ns2/named.conf.in
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation no;
+};
+
+zone "example" {
+	type primary;
+	file "example.db";
+};
+
+zone "tld" {
+	type primary;
+	file "tld.db";
+};
diff --git a/bin/tests/system/zero/ns2/tld.db b/bin/tests/system/zero/ns2/tld.db
new file mode 100644
index 0000000..0ffeb05
--- /dev/null
+++ b/bin/tests/system/zero/ns2/tld.db
@@ -0,0 +1,20 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 1
+@	300	SOA	ns2.tld. hostmaster.ns2.tld. 0 1 1 1 1
+@	300	NS 	ns2.tld.
+ns2	300	A 	10.53.0.2
+;
+;	The TTL of these delegation records needs to 1.
+;
+one	1	NS 	ns4.one.tld.
+ns4.one	1	A	10.53.0.4
diff --git a/bin/tests/system/zero/ns3/named.args b/bin/tests/system/zero/ns3/named.args
new file mode 100644
index 0000000..e6f6060
--- /dev/null
+++ b/bin/tests/system/zero/ns3/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 1 -D zero-ns3 -X named.lock -g -T maxcachesize=2097152
diff --git a/bin/tests/system/zero/ns3/named.conf.in b/bin/tests/system/zero/ns3/named.conf.in
new file mode 100644
index 0000000..7e0d1d7
--- /dev/null
+++ b/bin/tests/system/zero/ns3/named.conf.in
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.3;
+	notify-source 10.53.0.3;
+	transfer-source 10.53.0.3;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.3; };
+	listen-on-v6 { none; };
+	recursion yes;
+	dnssec-validation yes;
+	servfail-ttl 0;
+};
+
+zone "." {
+	type hint;
+	file "root.hint";
+};
diff --git a/bin/tests/system/zero/ns3/root.hint b/bin/tests/system/zero/ns3/root.hint
new file mode 100644
index 0000000..206e952
--- /dev/null
+++ b/bin/tests/system/zero/ns3/root.hint
@@ -0,0 +1,13 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+. NS ns1.
+ns1. A 10.53.0.1
diff --git a/bin/tests/system/zero/ns4/named.args b/bin/tests/system/zero/ns4/named.args
new file mode 100644
index 0000000..bd59f13
--- /dev/null
+++ b/bin/tests/system/zero/ns4/named.args
@@ -0,0 +1 @@
+-m record -c named.conf -d 1 -D zero-ns4 -X named.lock -g -T maxcachesize=2097152
diff --git a/bin/tests/system/zero/ns4/named.conf.in b/bin/tests/system/zero/ns4/named.conf.in
new file mode 100644
index 0000000..fc8fec6
--- /dev/null
+++ b/bin/tests/system/zero/ns4/named.conf.in
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+options {
+	query-source address 10.53.0.4;
+	notify-source 10.53.0.4;
+	transfer-source 10.53.0.4;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.4; };
+	listen-on-v6 { none; };
+	recursion no;
+	dnssec-validation yes;
+};
+
+zone "example" {
+	type secondary;
+	primaries { 10.53.0.2; };
+	file "example.bk";
+};
+
+zone "one.tld" {
+	type primary;
+	file "one.tld.db";
+};
diff --git a/bin/tests/system/zero/ns4/one.tld.db b/bin/tests/system/zero/ns4/one.tld.db
new file mode 100644
index 0000000..491ba87
--- /dev/null
+++ b/bin/tests/system/zero/ns4/one.tld.db
@@ -0,0 +1,17 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+$TTL 1
+;	The TTL of all these records needs to be 1.
+@	1	SOA	ns4.one.tld. hostmaster.ns4.tld. 0 1 1 1 1
+@	1	NS 	ns4.one.tld.
+ns4	1	A	10.53.0.4
+www	1	A	10.53.0.4
diff --git a/bin/tests/system/zero/setup.sh b/bin/tests/system/zero/setup.sh
new file mode 100644
index 0000000..bf58ee5
--- /dev/null
+++ b/bin/tests/system/zero/setup.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+copy_setports ns3/named.conf.in ns3/named.conf
+copy_setports ns4/named.conf.in ns4/named.conf
+
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 2 4 | sed -e 's/^$TTL 3600$/$TTL 0 ; force TTL to zero/' -e 's/86400.IN SOA/0 SOA/' > ns2/example.db
diff --git a/bin/tests/system/zero/tests.sh b/bin/tests/system/zero/tests.sh
new file mode 100644
index 0000000..f5e2038
--- /dev/null
+++ b/bin/tests/system/zero/tests.sh
@@ -0,0 +1,123 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+#shellcheck source=conf.sh
+. ../conf.sh
+
+dig_with_opts() {
+	"$DIG" -p "${PORT}" "$@"
+}
+
+wait_for_pid() (
+	for pid in "$@"; do
+		kill -0 "$pid" 2>/dev/null && return 1
+	done
+	return 0
+)
+
+status=0
+n=0
+
+n=$((n+1))
+echo_i "check lookups against TTL=0 records ($n)"
+i=0
+ret=0
+passes=10
+dig_with_opts @10.53.0.2 axfr example | grep -v "^ds0" | \
+awk '$2 == "0" { print "-q", $1, $4; print "-q", "zzz"$1, $4;}' > query.list
+
+# add 1/5 second per query
+timeout=$(($(wc -l < query.list) / 5))
+while [ $i -lt $passes ]
+do
+	(dig_with_opts -d +qr @10.53.0.3 -f query.list > "dig.out$i.1.test$n" 2>&1) & pid1="$!"
+	(dig_with_opts -d +qr @10.53.0.3 -f query.list > "dig.out$i.2.test$n" 2>&1) & pid2="$!"
+	(dig_with_opts -d +qr @10.53.0.3 -f query.list > "dig.out$i.3.test$n" 2>&1) & pid3="$!"
+	(dig_with_opts -d +qr @10.53.0.3 -f query.list > "dig.out$i.4.test$n" 2>&1) & pid4="$!"
+	(dig_with_opts -d +qr @10.53.0.3 -f query.list > "dig.out$i.5.test$n" 2>&1) & pid5="$!"
+	(dig_with_opts -d +qr @10.53.0.3 -f query.list > "dig.out$i.6.test$n" 2>&1) & pid6="$!"
+
+	retry_quiet "$timeout" wait_for_pid "$pid1" "$pid2" "$pid3" "$pid4" "$pid5" "$pid6" || { echo_i "wait_for_pid failed"; ret=1; }
+	kill -TERM "$pid1" "$pid2" "$pid3" "$pid4" "$pid5" "$pid6" 2>/dev/null || true
+
+	wait "$pid1" || { echo_i "wait $pid1 (dig.out$i.1.test$n) failed with $?"; ret=1; }
+	wait "$pid2" || { echo_i "wait $pid2 (dig.out$i.2.test$n) failed with $?"; ret=1; }
+	wait "$pid3" || { echo_i "wait $pid3 (dig.out$i.3.test$n) failed with $?"; ret=1; }
+	wait "$pid4" || { echo_i "wait $pid4 (dig.out$i.4.test$n) failed with $?"; ret=1; }
+	wait "$pid5" || { echo_i "wait $pid5 (dig.out$i.5.test$n) failed with $?"; ret=1; }
+	wait "$pid6" || { echo_i "wait $pid6 (dig.out$i.6.test$n) failed with $?"; ret=1; }
+
+	grep "status: SERVFAIL" "dig.out$i.1.test$n" > /dev/null && ret=1
+	grep "status: SERVFAIL" "dig.out$i.2.test$n" > /dev/null && ret=1
+	grep "status: SERVFAIL" "dig.out$i.3.test$n" > /dev/null && ret=1
+	grep "status: SERVFAIL" "dig.out$i.4.test$n" > /dev/null && ret=1
+	grep "status: SERVFAIL" "dig.out$i.5.test$n" > /dev/null && ret=1
+	grep "status: SERVFAIL" "dig.out$i.6.test$n" > /dev/null && ret=1
+	[ $ret = 1 ] && break
+	i=$((i+1))
+	echo_i "successfully completed pass $i of $passes"
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+repeat_query() (
+	i=0
+	while [ "$i" -lt "$1" ]; do
+		dig_with_opts +short "@$2" "$3" | tee "dig.out$i.test$n" || return 1
+		i=$((i+1))
+	done
+)
+
+count_unique() (
+	repeat_query "$@" | sort -u | wc -l
+)
+
+n=$((n+1))
+echo_i "check repeated recursive lookups of non recurring TTL=0 responses get new values ($n)"
+ret=0
+repeats=9
+count=$(count_unique "$repeats" 10.53.0.3 foo.increment)
+if [ "$count" -ne "$repeats" ] ; then echo_i "failed (count=$count, repeats=$repeats)"; ret=1; fi
+status=$((status+ret))
+
+n=$((n+1))
+echo_i "check lookups against TTL=1 records ($n)"
+i=0
+passes=10
+ret=0
+while [ $i -lt $passes ]
+do
+	dig_with_opts @10.53.0.3 www.one.tld > "dig.out$i.1.test$n" || ret=1
+	dig_with_opts @10.53.0.3 www.one.tld > "dig.out$i.2.test$n" || ret=1
+	dig_with_opts @10.53.0.3 www.one.tld > "dig.out$i.3.test$n" || ret=1
+	dig_with_opts @10.53.0.3 www.one.tld > "dig.out$i.4.test$n" || ret=1
+	dig_with_opts @10.53.0.3 www.one.tld > "dig.out$i.5.test$n" || ret=1
+	dig_with_opts @10.53.0.3 www.one.tld > "dig.out$i.6.test$n" || ret=1
+	grep "status: SERVFAIL" "dig.out$i.1.test$n" > /dev/null && ret=1
+	grep "status: SERVFAIL" "dig.out$i.2.test$n" > /dev/null && ret=1
+	grep "status: SERVFAIL" "dig.out$i.3.test$n" > /dev/null && ret=1
+	grep "status: SERVFAIL" "dig.out$i.4.test$n" > /dev/null && ret=1
+	grep "status: SERVFAIL" "dig.out$i.5.test$n" > /dev/null && ret=1
+	grep "status: SERVFAIL" "dig.out$i.6.test$n" > /dev/null && ret=1
+	[ $ret = 1 ] && break
+	i=$((i+1))
+	echo_i "successfully completed pass $i of $passes"
+	sleep 1
+done
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status+ret))
+
+echo_i "exit status: $status"
+[ "$status" -eq 0 ] || exit 1
diff --git a/bin/tests/system/zero/tests_sh_zero.py b/bin/tests/system/zero/tests_sh_zero.py
new file mode 100644
index 0000000..0e8ceb2
--- /dev/null
+++ b/bin/tests/system/zero/tests_sh_zero.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_zero(run_tests_sh):
+    run_tests_sh()
diff --git a/bin/tests/system/zonechecks/a.db b/bin/tests/system/zonechecks/a.db
new file mode 100644
index 0000000..62d1ee7
--- /dev/null
+++ b/bin/tests/system/zonechecks/a.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	IN SOA	ns hostmaster 1 3600 1200 604800 3600
+@	3600	IN NS	127.0.0.1
+127.0.0.1 3600	IN A	127.0.0.1
diff --git a/bin/tests/system/zonechecks/aaaa.db b/bin/tests/system/zonechecks/aaaa.db
new file mode 100644
index 0000000..75724d6
--- /dev/null
+++ b/bin/tests/system/zonechecks/aaaa.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	IN SOA	ns hostmaster 1 3600 1200 604800 3600
+@	3600	IN NS	::1
+::1	3600	IN AAAA	::1
diff --git a/bin/tests/system/zonechecks/bigserial.db b/bin/tests/system/zonechecks/bigserial.db
new file mode 100644
index 0000000..200573a
--- /dev/null
+++ b/bin/tests/system/zonechecks/bigserial.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	IN SOA	ns hostmaster 3003113544 3600 1200 604800 3600
+@	3600	IN NS	ns
+ns	3600	IN A	10.53.0.1
diff --git a/bin/tests/system/zonechecks/clean.sh b/bin/tests/system/zonechecks/clean.sh
new file mode 100644
index 0000000..ed4012a
--- /dev/null
+++ b/bin/tests/system/zonechecks/clean.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+rm -f *.out
+rm -f */named.memstats
+rm -f */named.conf
+rm -f */named.run
+rm -f */*.db */*.db.signed */K*.key */K*.private */*.jnl */dsset-*
+rm -f */signer.err
+rm -f rndc.out.*
+rm -f ns*/named.lock
+rm -f ns*/managed-keys.bind* ns*/*.mkeys*
diff --git a/bin/tests/system/zonechecks/cname.db b/bin/tests/system/zonechecks/cname.db
new file mode 100644
index 0000000..2e8a123
--- /dev/null
+++ b/bin/tests/system/zonechecks/cname.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	IN SOA	ns hostmaster 1 3600 1200 604800 3600
+@	3600	IN NS	ns
+ns	3600	IN CNAME @
diff --git a/bin/tests/system/zonechecks/dname.db b/bin/tests/system/zonechecks/dname.db
new file mode 100644
index 0000000..b2859d1
--- /dev/null
+++ b/bin/tests/system/zonechecks/dname.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	IN SOA	ns hostmaster 1 3600 1200 604800 3600
+@	3600	IN NS	ns
+@	3600	IN DNAME .
diff --git a/bin/tests/system/zonechecks/noaddress.db b/bin/tests/system/zonechecks/noaddress.db
new file mode 100644
index 0000000..f656197
--- /dev/null
+++ b/bin/tests/system/zonechecks/noaddress.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	IN SOA	ns hostmaster 1 3600 1200 604800 3600
+@	3600	IN NS	ns
+ns	3600	IN TXT	this name has no address records
diff --git a/bin/tests/system/zonechecks/ns1/named.conf.in b/bin/tests/system/zonechecks/ns1/named.conf.in
new file mode 100644
index 0000000..03bc918
--- /dev/null
+++ b/bin/tests/system/zonechecks/ns1/named.conf.in
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS1
+
+options {
+	query-source address 10.53.0.1;
+	notify-source 10.53.0.1;
+	transfer-source 10.53.0.1;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.1; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.1 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+view unused {
+	match-clients { none; };
+
+	zone "duplicate.example" {
+		type primary;
+		file "duplicate.db";
+	};
+};
+
+view primary {
+	match-clients { any; };
+
+	zone "primary.example" {
+		type primary;
+		file "primary.db";
+		allow-update { any; };
+		allow-transfer { any; };
+		auto-dnssec maintain;
+	};
+
+	zone "bigserial.example" {
+		type primary;
+		file "bigserial.db";
+	};
+
+	zone "reload.example" {
+		type primary;
+		file "reload.db";
+	};
+
+	zone "duplicate.example" {
+		type primary;
+		file "duplicate.db";
+	};
+};
diff --git a/bin/tests/system/zonechecks/ns2/named.conf.in b/bin/tests/system/zonechecks/ns2/named.conf.in
new file mode 100644
index 0000000..5ecf68b
--- /dev/null
+++ b/bin/tests/system/zonechecks/ns2/named.conf.in
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+// NS2
+
+options {
+	query-source address 10.53.0.2;
+	notify-source 10.53.0.2;
+	transfer-source 10.53.0.2;
+	port @PORT@;
+	pid-file "named.pid";
+	listen-on { 10.53.0.2; };
+	listen-on-v6 { none; };
+	recursion no;
+	notify yes;
+	dnssec-validation yes;
+};
+
+key rndc_key {
+	secret "1234abcd8765";
+	algorithm @DEFAULT_HMAC@;
+};
+
+controls {
+	inet 10.53.0.2 port @CONTROLPORT@ allow { any; } keys { rndc_key; };
+};
+
+zone "primary.example" {
+	type secondary;
+	primaries { 10.53.0.1; };
+	file "sec.db";
+};
diff --git a/bin/tests/system/zonechecks/nxdomain.db b/bin/tests/system/zonechecks/nxdomain.db
new file mode 100644
index 0000000..853325d
--- /dev/null
+++ b/bin/tests/system/zonechecks/nxdomain.db
@@ -0,0 +1,14 @@
+; Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+;
+; SPDX-License-Identifier: MPL-2.0
+;
+; This Source Code Form is subject to the terms of the Mozilla Public
+; License, v. 2.0.  If a copy of the MPL was not distributed with this
+; file, you can obtain one at https://mozilla.org/MPL/2.0/.
+;
+; See the COPYRIGHT file distributed with this work for additional
+; information regarding copyright ownership.
+
+@	3600	IN SOA	ns hostmaster 1 3600 1200 604800 3600
+@	3600	IN NS	ns
+; There are no records at all with the ownername of "ns".
diff --git a/bin/tests/system/zonechecks/setup.sh b/bin/tests/system/zonechecks/setup.sh
new file mode 100644
index 0000000..76e8a19
--- /dev/null
+++ b/bin/tests/system/zonechecks/setup.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+. ../conf.sh
+
+$SHELL clean.sh
+
+copy_setports ns1/named.conf.in ns1/named.conf
+copy_setports ns2/named.conf.in ns2/named.conf
+
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 1 > ns1/primary.db
+$SHELL ${TOP_SRCDIR}/bin/tests/system/genzone.sh 1 > ns1/duplicate.db
+cp bigserial.db ns1/
+cd ns1
+touch primary.db.signed
+echo '$INCLUDE "primary.db.signed"' >> primary.db
+$KEYGEN -a ${DEFAULT_ALGORITHM} -q primary.example > /dev/null 2>&1
+$KEYGEN -a ${DEFAULT_ALGORITHM} -qfk primary.example > /dev/null 2>&1
+$SIGNER -SD -o primary.example primary.db > /dev/null \
+    2> signer.err || cat signer.err
+echo '$INCLUDE "soa.db"' > reload.db
+echo '@ 0 NS .' >> reload.db
+echo '@ 0 SOA . . 1 0 0 0 0' > soa.db
diff --git a/bin/tests/system/zonechecks/tests.sh b/bin/tests/system/zonechecks/tests.sh
new file mode 100644
index 0000000..958bfed
--- /dev/null
+++ b/bin/tests/system/zonechecks/tests.sh
@@ -0,0 +1,258 @@
+#!/bin/sh
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+set -e
+
+. ../conf.sh
+
+DIGOPTS="-p ${PORT}"
+RNDCCMD="$RNDC -c ../common/rndc.conf -p ${CONTROLPORT} -s"
+
+status=0
+
+#
+echo_i "checking that we detect a NS which refers to a CNAME"
+if $CHECKZONE . cname.db > cname.out 2>&1
+then
+	echo_i "failed (status)"; status=$((status + 1))
+else
+	if grep "is a CNAME" cname.out > /dev/null
+	then
+		:
+	else
+		echo_i "failed (message)"; status=$((status + 1))
+	fi
+fi
+
+#
+echo_i "checking that we detect a NS which is below a DNAME"
+if $CHECKZONE . dname.db > dname.out 2>&1
+then
+	echo_i "failed (status)"; status=$((status + 1))
+else
+	if grep "is below a DNAME" dname.out > /dev/null
+	then
+		:
+	else
+		echo_i "failed (message)"; status=$((status + 1))
+	fi
+fi
+
+#
+echo_i "checking that we detect a NS which has no address records (A/AAAA)"
+if $CHECKZONE . noaddress.db > noaddress.out
+then
+	echo_i "failed (status)"; status=$((status + 1))
+else
+	if grep "has no address records" noaddress.out > /dev/null
+	then
+		:
+	else
+		echo_i "failed (message)"; status=$((status + 1))
+	fi
+fi
+
+#
+echo_i "checking that we detect a NS which has no records"
+if $CHECKZONE . nxdomain.db > nxdomain.out
+then
+	echo_i "failed (status)"; status=$((status + 1))
+else
+	if grep "has no address records" noaddress.out > /dev/null
+	then
+		:
+	else
+		echo_i "failed (message)"; status=$((status + 1))
+	fi
+fi
+
+#
+echo_i "checking that we detect a NS which looks like a A record (fail)"
+if $CHECKZONE -n fail . a.db > a.out 2>&1
+then
+	echo_i "failed (status)"; status=$((status + 1))
+else
+	if grep "appears to be an address" a.out > /dev/null
+	then
+		:
+	else
+		echo_i "failed (message)"; status=$((status + 1))
+	fi
+fi
+
+#
+echo_i "checking that we detect a NS which looks like a A record (warn=default)"
+if $CHECKZONE . a.db > a.out 2>&1
+then
+	if grep "appears to be an address" a.out > /dev/null
+	then
+		:
+	else
+		echo_i "failed (message)"; status=$((status + 1))
+	fi
+else
+	echo_i "failed (status)"; status=$((status + 1))
+fi
+
+#
+echo_i "checking that we detect a NS which looks like a A record (ignore)"
+if $CHECKZONE -n ignore . a.db > a.out 2>&1
+then
+	if grep "appears to be an address" a.out > /dev/null
+	then
+		echo_i "failed (message)"; status=$((status + 1))
+	else
+		:
+	fi
+else
+	echo_i "failed (status)"; status=$((status + 1))
+fi
+
+#
+echo_i "checking that we detect a NS which looks like a AAAA record (fail)"
+if $CHECKZONE -n fail . aaaa.db > aaaa.out 2>&1
+then
+	echo_i "failed (status)"; status=$((status + 1))
+else
+	if grep "appears to be an address" aaaa.out > /dev/null
+	then
+		:
+	else
+		echo_i "failed (message)"; status=$((status + 1))
+	fi
+fi
+
+#
+echo_i "checking that we detect a NS which looks like a AAAA record (warn=default)"
+if $CHECKZONE . aaaa.db > aaaa.out 2>&1
+then
+	if grep "appears to be an address" aaaa.out > /dev/null
+	then
+		:
+	else
+		echo_i "failed (message)"; status=$((status + 1))
+	fi
+else
+	echo_i "failed (status)"; status=$((status + 1))
+fi
+
+#
+echo_i "checking that we detect a NS which looks like a AAAA record (ignore)"
+if $CHECKZONE -n ignore . aaaa.db > aaaa.out 2>&1
+then
+	if grep "appears to be an address" aaaa.out > /dev/null
+	then
+		echo_i "failed (message)"; status=$((status + 1))
+	else
+		:
+	fi
+else
+	echo_i "failed (status)"; status=$((status + 1))
+fi
+
+#
+echo_i "checking 'rdnc zonestatus' output"
+ret=0
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	$RNDCCMD 10.53.0.1 zonestatus primary.example > rndc.out.pri 2>&1
+	grep "zone not loaded" rndc.out.pri > /dev/null || break
+	sleep 1
+done
+checkfor() {
+	grep "$1" $2 > /dev/null || {
+		ret=1;
+		echo_i "missing string '$1' from '$2'"
+	}
+}
+checkfor "name: primary.example" rndc.out.pri
+checkfor "type: primary" rndc.out.pri
+checkfor "files: primary.db, primary.db.signed" rndc.out.pri
+checkfor "serial: " rndc.out.pri
+checkfor "nodes: " rndc.out.pri
+checkfor "last loaded: " rndc.out.pri
+checkfor "secure: yes" rndc.out.pri
+checkfor "inline signing: no" rndc.out.pri
+checkfor "key maintenance: automatic" rndc.out.pri
+checkfor "next key event: " rndc.out.pri
+checkfor "next resign node: " rndc.out.pri
+checkfor "next resign time: " rndc.out.pri
+checkfor "dynamic: yes" rndc.out.pri
+checkfor "frozen: no" rndc.out.pri
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	$RNDCCMD 10.53.0.2 zonestatus primary.example > rndc.out.sec 2>&1
+	grep "zone not loaded" rndc.out.sec > /dev/null || break
+	sleep 1
+done
+checkfor "name: primary.example" rndc.out.sec
+checkfor "type: secondary" rndc.out.sec
+checkfor "files: sec.db" rndc.out.sec
+checkfor "serial: " rndc.out.sec
+checkfor "nodes: " rndc.out.sec
+checkfor "next refresh: " rndc.out.sec
+checkfor "expires: " rndc.out.sec
+checkfor "secure: yes" rndc.out.sec
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	$RNDCCMD 10.53.0.1 zonestatus reload.example > rndc.out.prereload 2>&1
+	grep "zone not loaded" rndc.out.prereload > /dev/null || break
+	sleep 1
+done
+checkfor "files: reload.db, soa.db$" rndc.out.prereload
+echo "@ 0 SOA . . 2 0 0 0 0" > ns1/soa.db
+$RNDCCMD 10.53.0.1 reload reload.example | sed 's/^/ns1 /' | cat_i
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	$DIG $DIGOPTS reload.example SOA @10.53.0.1 > dig.out
+	grep " 2 0 0 0 0" dig.out >/dev/null && break
+	sleep 1
+done
+$RNDCCMD 10.53.0.1 zonestatus reload.example > rndc.out.postreload 2>&1
+checkfor "files: reload.db, soa.db$" rndc.out.postreload
+sleep 1
+echo "@ 0 SOA . . 3 0 0 0 0" > ns1/reload.db
+echo "@ 0 NS ." >> ns1/reload.db
+rndc_reload ns1 10.53.0.1 reload.example
+for i in 0 1 2 3 4 5 6 7 8 9
+do
+	$DIG $DIGOPTS reload.example SOA @10.53.0.1 > dig.out
+	grep " 3 0 0 0 0" dig.out >/dev/null && break
+	sleep 1
+done
+$RNDCCMD 10.53.0.1 zonestatus reload.example > rndc.out.removeinclude 2>&1
+checkfor "files: reload.db$" rndc.out.removeinclude
+
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking 'rdnc zonestatus' with duplicated zone name"
+ret=0
+$RNDCCMD 10.53.0.1 zonestatus duplicate.example > rndc.out.duplicate 2>&1 && ret=1
+checkfor "zone 'duplicate.example' was found in multiple views" rndc.out.duplicate
+$RNDCCMD 10.53.0.1 zonestatus duplicate.example in primary > rndc.out.duplicate 2>&1 || ret=1
+checkfor "name: duplicate.example" rndc.out.duplicate
+$RNDCCMD 10.53.0.1 zonestatus nosuchzone.example > rndc.out.duplicate 2>&1 && ret=1
+checkfor "no matching zone 'nosuchzone.example' in any view" rndc.out.duplicate
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "checking 'rdnc zonestatus' with big serial value"
+ret=0
+$RNDCCMD 10.53.0.1 zonestatus bigserial.example > rndc.out.bigserial 2>&1
+checkfor "serial: 3003113544" rndc.out.bigserial
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$((status + ret))
+
+echo_i "exit status: $status"
+[ $status -eq 0 ] || exit 1
diff --git a/bin/tests/system/zonechecks/tests_sh_zonechecks.py b/bin/tests/system/zonechecks/tests_sh_zonechecks.py
new file mode 100644
index 0000000..28a7bb1
--- /dev/null
+++ b/bin/tests/system/zonechecks/tests_sh_zonechecks.py
@@ -0,0 +1,14 @@
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+
+def test_zonechecks(run_tests_sh):
+    run_tests_sh()