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

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

26 files changed, 1500 insertions, 0 deletions

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()