Adding upstream version 1:9.16.44.upstream/1%9.16.44upstream

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

1 files changed, 1031 insertions, 0 deletions

diff --git a/doc/misc/options b/doc/misc/options
new file mode 100644
index 0000000..0dbcf10
--- /dev/null
+++ b/doc/misc/options
@@ -0,0 +1,1031 @@
+
+This is a summary of the named.conf options supported by
+this version of BIND 9.
+
+acl <string> { <address_match_element>; ... }; // may occur multiple times
+
+controls {
+        inet ( <ipv4_address> | <ipv6_address> |
+            * ) [ port ( <integer> | * ) ] allow
+            { <address_match_element>; ... } [
+            keys { <string>; ... } ] [ read-only
+            <boolean> ]; // may occur multiple times
+        unix <quoted_string> perm <integer>
+            owner <integer> group <integer> [
+            keys { <string>; ... } ] [ read-only
+            <boolean> ]; // may occur multiple times
+}; // may occur multiple times
+
+dlz <string> {
+        database <string>;
+        search <boolean>;
+}; // may occur multiple times
+
+dnssec-policy <string> {
+        dnskey-ttl <duration>;
+        keys { ( csk | ksk | zsk ) [ ( key-directory ) ] lifetime
+            <duration_or_unlimited> algorithm <string> [ <integer> ]; ... };
+        max-zone-ttl <duration>;
+        nsec3param [ iterations <integer> ] [ optout <boolean> ] [
+            salt-length <integer> ];
+        parent-ds-ttl <duration>;
+        parent-propagation-delay <duration>;
+        parent-registration-delay <duration>; // obsolete
+        publish-safety <duration>;
+        purge-keys <duration>;
+        retire-safety <duration>;
+        signatures-refresh <duration>;
+        signatures-validity <duration>;
+        signatures-validity-dnskey <duration>;
+        zone-propagation-delay <duration>;
+}; // may occur multiple times
+
+dyndb <string> <quoted_string> {
+    <unspecified-text> }; // may occur multiple times
+
+key <string> {
+        algorithm <string>;
+        secret <string>;
+}; // may occur multiple times
+
+logging {
+        category <string> { <string>; ... }; // may occur multiple times
+        channel <string> {
+                buffered <boolean>;
+                file <quoted_string> [ versions ( unlimited | <integer> ) ]
+                    [ size <size> ] [ suffix ( increment | timestamp ) ];
+                null;
+                print-category <boolean>;
+                print-severity <boolean>;
+                print-time ( iso8601 | iso8601-utc | local | <boolean> );
+                severity <log_severity>;
+                stderr;
+                syslog [ <syslog_facility> ];
+        }; // may occur multiple times
+};
+
+lwres { <unspecified-text> }; // obsolete, may occur multiple times
+
+managed-keys { <string> ( static-key
+    | initial-key | static-ds |
+    initial-ds ) <integer> <integer>
+    <integer> <quoted_string>; ... }; // may occur multiple times, deprecated
+
+masters <string> [ port <integer> ] [ dscp
+    <integer> ] { ( <remote-servers> |
+    <ipv4_address> [ port <integer> ] |
+    <ipv6_address> [ port <integer> ] ) [ key
+    <string> ]; ... }; // may occur multiple times
+
+options {
+        acache-cleaning-interval <integer>; // obsolete
+        acache-enable <boolean>; // obsolete
+        additional-from-auth <boolean>; // obsolete
+        additional-from-cache <boolean>; // obsolete
+        allow-new-zones <boolean>;
+        allow-notify { <address_match_element>; ... };
+        allow-query { <address_match_element>; ... };
+        allow-query-cache { <address_match_element>; ... };
+        allow-query-cache-on { <address_match_element>; ... };
+        allow-query-on { <address_match_element>; ... };
+        allow-recursion { <address_match_element>; ... };
+        allow-recursion-on { <address_match_element>; ... };
+        allow-transfer { <address_match_element>; ... };
+        allow-update { <address_match_element>; ... };
+        allow-update-forwarding { <address_match_element>; ... };
+        allow-v6-synthesis { <address_match_element>; ... }; // obsolete
+        also-notify [ port <integer> ] [ dscp <integer> ] { (
+            <remote-servers> | <ipv4_address> [ port <integer> ] |
+            <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... };
+        alt-transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * )
+            ] [ dscp <integer> ];
+        alt-transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> |
+            * ) ] [ dscp <integer> ];
+        answer-cookie <boolean>;
+        attach-cache <string>;
+        auth-nxdomain <boolean>; // default changed
+        auto-dnssec ( allow | maintain | off ); // deprecated
+        automatic-interface-scan <boolean>;
+        avoid-v4-udp-ports { <portrange>; ... };
+        avoid-v6-udp-ports { <portrange>; ... };
+        bindkeys-file <quoted_string>;
+        blackhole { <address_match_element>; ... };
+        cache-file <quoted_string>; // deprecated
+        catalog-zones { zone <string> [ default-masters [ port <integer> ]
+            [ dscp <integer> ] { ( <remote-servers> | <ipv4_address> [ port
+            <integer> ] | <ipv6_address> [ port <integer> ] ) [ key
+            <string> ]; ... } ] [ zone-directory <quoted_string> ] [
+            in-memory <boolean> ] [ min-update-interval <duration> ]; ... };
+        check-dup-records ( fail | warn | ignore );
+        check-integrity <boolean>;
+        check-mx ( fail | warn | ignore );
+        check-mx-cname ( fail | warn | ignore );
+        check-names ( primary | master |
+            secondary | slave | response ) (
+            fail | warn | ignore ); // may occur multiple times
+        check-sibling <boolean>;
+        check-spf ( warn | ignore );
+        check-srv-cname ( fail | warn | ignore );
+        check-wildcard <boolean>;
+        cleaning-interval <integer>; // obsolete
+        clients-per-query <integer>;
+        cookie-algorithm ( aes | siphash24 );
+        cookie-secret <string>; // may occur multiple times
+        coresize ( default | unlimited | <sizeval> );
+        datasize ( default | unlimited | <sizeval> );
+        deallocate-on-exit <boolean>; // ancient
+        deny-answer-addresses { <address_match_element>; ... } [
+            except-from { <string>; ... } ];
+        deny-answer-aliases { <string>; ... } [ except-from { <string>; ...
+            } ];
+        dialup ( notify | notify-passive | passive | refresh | <boolean> );
+        directory <quoted_string>;
+        disable-algorithms <string> { <string>;
+            ... }; // may occur multiple times
+        disable-ds-digests <string> { <string>;
+            ... }; // may occur multiple times
+        disable-empty-zone <string>; // may occur multiple times
+        dns64 <netprefix> {
+                break-dnssec <boolean>;
+                clients { <address_match_element>; ... };
+                exclude { <address_match_element>; ... };
+                mapped { <address_match_element>; ... };
+                recursive-only <boolean>;
+                suffix <ipv6_address>;
+        }; // may occur multiple times
+        dns64-contact <string>;
+        dns64-server <string>;
+        dnskey-sig-validity <integer>;
+        dnsrps-enable <boolean>; // not configured
+        dnsrps-options { <unspecified-text> }; // not configured
+        dnssec-accept-expired <boolean>;
+        dnssec-dnskey-kskonly <boolean>;
+        dnssec-enable <boolean>; // obsolete
+        dnssec-loadkeys-interval <integer>;
+        dnssec-lookaside ( <string>
+            trust-anchor <string> |
+            auto | no ); // obsolete, may occur multiple times
+        dnssec-must-be-secure <string> <boolean>; // may occur multiple times
+        dnssec-policy <string>;
+        dnssec-secure-to-insecure <boolean>;
+        dnssec-update-mode ( maintain | no-resign );
+        dnssec-validation ( yes | no | auto );
+        dnstap { ( all | auth | client | forwarder | resolver | update ) [
+            ( query | response ) ]; ... };
+        dnstap-identity ( <quoted_string> | none | hostname );
+        dnstap-output ( file | unix ) <quoted_string> [ size ( unlimited |
+            <size> ) ] [ versions ( unlimited | <integer> ) ] [ suffix (
+            increment | timestamp ) ];
+        dnstap-version ( <quoted_string> | none );
+        dscp <integer>; // deprecated
+        dual-stack-servers [ port <integer> ] { ( <quoted_string> [ port
+            <integer> ] [ dscp <integer> ] | <ipv4_address> [ port
+            <integer> ] [ dscp <integer> ] | <ipv6_address> [ port
+            <integer> ] [ dscp <integer> ] ); ... };
+        dump-file <quoted_string>;
+        edns-udp-size <integer>;
+        empty-contact <string>;
+        empty-server <string>;
+        empty-zones-enable <boolean>;
+        fake-iquery <boolean>; // ancient
+        fetch-glue <boolean>; // ancient
+        fetch-quota-params <integer> <fixedpoint> <fixedpoint> <fixedpoint>;
+        fetches-per-server <integer> [ ( drop | fail ) ];
+        fetches-per-zone <integer> [ ( drop | fail ) ];
+        files ( default | unlimited | <sizeval> );
+        filter-aaaa { <address_match_element>; ... }; // obsolete
+        filter-aaaa-on-v4 <boolean>; // obsolete
+        filter-aaaa-on-v6 <boolean>; // obsolete
+        flush-zones-on-shutdown <boolean>;
+        forward ( first | only );
+        forwarders [ port <integer> ] [ dscp <integer> ] { ( <ipv4_address>
+            | <ipv6_address> ) [ port <integer> ] [ dscp <integer> ]; ... };
+        fstrm-set-buffer-hint <integer>;
+        fstrm-set-flush-timeout <integer>;
+        fstrm-set-input-queue-size <integer>;
+        fstrm-set-output-notify-threshold <integer>;
+        fstrm-set-output-queue-model ( mpsc | spsc );
+        fstrm-set-output-queue-size <integer>;
+        fstrm-set-reopen-interval <duration>;
+        geoip-directory ( <quoted_string> | none );
+        geoip-use-ecs <boolean>; // obsolete
+        glue-cache <boolean>;
+        has-old-clients <boolean>; // ancient
+        heartbeat-interval <integer>;
+        host-statistics <boolean>; // ancient
+        host-statistics-max <integer>; // ancient
+        hostname ( <quoted_string> | none );
+        interface-interval <duration>;
+        ixfr-from-differences ( primary | master | secondary | slave |
+            <boolean> );
+        keep-response-order { <address_match_element>; ... };
+        key-directory <quoted_string>;
+        lame-ttl <duration>;
+        listen-on [ port <integer> ] [ dscp
+            <integer> ] {
+            <address_match_element>; ... }; // may occur multiple times
+        listen-on-v6 [ port <integer> ] [ dscp
+            <integer> ] {
+            <address_match_element>; ... }; // may occur multiple times
+        lmdb-mapsize <sizeval>;
+        lock-file ( <quoted_string> | none );
+        maintain-ixfr-base <boolean>; // ancient
+        managed-keys-directory <quoted_string>;
+        masterfile-format ( map | raw | text );
+        masterfile-style ( full | relative );
+        match-mapped-addresses <boolean>;
+        max-acache-size ( unlimited | <sizeval> ); // obsolete
+        max-cache-size ( default | unlimited | <sizeval> | <percentage> );
+        max-cache-ttl <duration>;
+        max-clients-per-query <integer>;
+        max-ixfr-log-size ( default | unlimited | <sizeval> ); // ancient
+        max-ixfr-ratio ( unlimited | <percentage> );
+        max-journal-size ( default | unlimited | <sizeval> );
+        max-ncache-ttl <duration>;
+        max-records <integer>;
+        max-recursion-depth <integer>;
+        max-recursion-queries <integer>;
+        max-refresh-time <integer>;
+        max-retry-time <integer>;
+        max-rsa-exponent-size <integer>;
+        max-stale-ttl <duration>;
+        max-transfer-idle-in <integer>;
+        max-transfer-idle-out <integer>;
+        max-transfer-time-in <integer>;
+        max-transfer-time-out <integer>;
+        max-udp-size <integer>;
+        max-zone-ttl ( unlimited | <duration> );
+        memstatistics <boolean>;
+        memstatistics-file <quoted_string>;
+        message-compression <boolean>;
+        min-cache-ttl <duration>;
+        min-ncache-ttl <duration>;
+        min-refresh-time <integer>;
+        min-retry-time <integer>;
+        min-roots <integer>; // ancient
+        minimal-any <boolean>;
+        minimal-responses ( no-auth | no-auth-recursive | <boolean> );
+        multi-master <boolean>;
+        multiple-cnames <boolean>; // ancient
+        named-xfer <quoted_string>; // ancient
+        new-zones-directory <quoted_string>;
+        no-case-compress { <address_match_element>; ... };
+        nocookie-udp-size <integer>;
+        nosit-udp-size <integer>; // obsolete
+        notify ( explicit | master-only | primary-only | <boolean> );
+        notify-delay <integer>;
+        notify-rate <integer>;
+        notify-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [
+            dscp <integer> ];
+        notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ]
+            [ dscp <integer> ];
+        notify-to-soa <boolean>;
+        nsec3-test-zone <boolean>; // test only
+        nta-lifetime <duration>;
+        nta-recheck <duration>;
+        nxdomain-redirect <string>;
+        parental-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [
+            dscp <integer> ];
+        parental-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * )
+            ] [ dscp <integer> ];
+        pid-file ( <quoted_string> | none );
+        port <integer>;
+        preferred-glue <string>;
+        prefetch <integer> [ <integer> ];
+        provide-ixfr <boolean>;
+        qname-minimization ( strict | relaxed | disabled | off );
+        query-source ( ( [ address ] ( <ipv4_address> | * ) [ port (
+            <integer> | * ) ] ) | ( [ [ address ] ( <ipv4_address> | * ) ]
+            port ( <integer> | * ) ) ) [ dscp <integer> ];
+        query-source-v6 ( ( [ address ] ( <ipv6_address> | * ) [ port (
+            <integer> | * ) ] ) | ( [ [ address ] ( <ipv6_address> | * ) ]
+            port ( <integer> | * ) ) ) [ dscp <integer> ];
+        querylog <boolean>;
+        queryport-pool-ports <integer>; // obsolete
+        queryport-pool-updateinterval <integer>; // obsolete
+        random-device ( <quoted_string> | none );
+        rate-limit {
+                all-per-second <integer>;
+                errors-per-second <integer>;
+                exempt-clients { <address_match_element>; ... };
+                ipv4-prefix-length <integer>;
+                ipv6-prefix-length <integer>;
+                log-only <boolean>;
+                max-table-size <integer>;
+                min-table-size <integer>;
+                nodata-per-second <integer>;
+                nxdomains-per-second <integer>;
+                qps-scale <integer>;
+                referrals-per-second <integer>;
+                responses-per-second <integer>;
+                slip <integer>;
+                window <integer>;
+        };
+        recursing-file <quoted_string>;
+        recursion <boolean>;
+        recursive-clients <integer>;
+        request-expire <boolean>;
+        request-ixfr <boolean>;
+        request-nsid <boolean>;
+        request-sit <boolean>; // obsolete
+        require-server-cookie <boolean>;
+        reserved-sockets <integer>;
+        resolver-nonbackoff-tries <integer>;
+        resolver-query-timeout <integer>;
+        resolver-retry-interval <integer>;
+        response-padding { <address_match_element>; ... } block-size
+            <integer>;
+        response-policy { zone <string> [ add-soa <boolean> ] [ log
+            <boolean> ] [ max-policy-ttl <duration> ] [ min-update-interval
+            <duration> ] [ policy ( cname | disabled | drop | given | no-op
+            | nodata | nxdomain | passthru | tcp-only <quoted_string> ) ] [
+            recursive-only <boolean> ] [ nsip-enable <boolean> ] [
+            nsdname-enable <boolean> ]; ... } [ add-soa <boolean> ] [
+            break-dnssec <boolean> ] [ max-policy-ttl <duration> ] [
+            min-update-interval <duration> ] [ min-ns-dots <integer> ] [
+            nsip-wait-recurse <boolean> ] [ qname-wait-recurse <boolean> ]
+            [ recursive-only <boolean> ] [ nsip-enable <boolean> ] [
+            nsdname-enable <boolean> ] [ dnsrps-enable <boolean> ] [
+            dnsrps-options { <unspecified-text> } ];
+        reuseport <boolean>;
+        rfc2308-type1 <boolean>; // ancient
+        root-delegation-only [ exclude { <string>; ... } ];
+        root-key-sentinel <boolean>;
+        rrset-order { [ class <string> ] [ type <string> ] [ name
+            <quoted_string> ] <string> <string>; ... };
+        secroots-file <quoted_string>;
+        send-cookie <boolean>;
+        serial-queries <integer>; // ancient
+        serial-query-rate <integer>;
+        serial-update-method ( date | increment | unixtime );
+        server-id ( <quoted_string> | none | hostname );
+        servfail-ttl <duration>;
+        session-keyalg <string>;
+        session-keyfile ( <quoted_string> | none );
+        session-keyname <string>;
+        sig-signing-nodes <integer>;
+        sig-signing-signatures <integer>;
+        sig-signing-type <integer>;
+        sig-validity-interval <integer> [ <integer> ];
+        sit-secret <string>; // obsolete
+        sortlist { <address_match_element>; ... };
+        stacksize ( default | unlimited | <sizeval> );
+        stale-answer-client-timeout ( disabled | off | <integer> );
+        stale-answer-enable <boolean>;
+        stale-answer-ttl <duration>;
+        stale-cache-enable <boolean>;
+        stale-refresh-time <duration>;
+        startup-notify-rate <integer>;
+        statistics-file <quoted_string>;
+        statistics-interval <integer>; // ancient
+        suppress-initial-notify <boolean>; // not yet implemented
+        synth-from-dnssec <boolean>;
+        tcp-advertised-timeout <integer>;
+        tcp-clients <integer>;
+        tcp-idle-timeout <integer>;
+        tcp-initial-timeout <integer>;
+        tcp-keepalive-timeout <integer>;
+        tcp-listen-queue <integer>;
+        tkey-dhkey <quoted_string> <integer>;
+        tkey-domain <quoted_string>;
+        tkey-gssapi-credential <quoted_string>;
+        tkey-gssapi-keytab <quoted_string>;
+        topology { <address_match_element>; ... }; // ancient
+        transfer-format ( many-answers | one-answer );
+        transfer-message-size <integer>;
+        transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [
+            dscp <integer> ];
+        transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * )
+            ] [ dscp <integer> ];
+        transfers-in <integer>;
+        transfers-out <integer>;
+        transfers-per-ns <integer>;
+        treat-cr-as-space <boolean>; // ancient
+        trust-anchor-telemetry <boolean>; // experimental
+        try-tcp-refresh <boolean>;
+        update-check-ksk <boolean>;
+        update-quota <integer>;
+        use-alt-transfer-source <boolean>;
+        use-id-pool <boolean>; // ancient
+        use-ixfr <boolean>; // obsolete
+        use-queryport-pool <boolean>; // obsolete
+        use-v4-udp-ports { <portrange>; ... };
+        use-v6-udp-ports { <portrange>; ... };
+        v6-bias <integer>;
+        validate-except { <string>; ... };
+        version ( <quoted_string> | none );
+        zero-no-soa-ttl <boolean>;
+        zero-no-soa-ttl-cache <boolean>;
+        zone-statistics ( full | terse | none | <boolean> );
+};
+
+parental-agents <string> [ port <integer> ] [
+    dscp <integer> ] { ( <remote-servers> |
+    <ipv4_address> [ port <integer> ] |
+    <ipv6_address> [ port <integer> ] ) [ key
+    <string> ]; ... }; // may occur multiple times
+
+plugin ( query ) <string> [ { <unspecified-text>
+    } ]; // may occur multiple times
+
+primaries <string> [ port <integer> ] [ dscp
+    <integer> ] { ( <remote-servers> |
+    <ipv4_address> [ port <integer> ] |
+    <ipv6_address> [ port <integer> ] ) [ key
+    <string> ]; ... }; // may occur multiple times
+
+server <netprefix> {
+        bogus <boolean>;
+        edns <boolean>;
+        edns-udp-size <integer>;
+        edns-version <integer>;
+        keys <server_key>;
+        max-udp-size <integer>;
+        notify-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [
+            dscp <integer> ];
+        notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ]
+            [ dscp <integer> ];
+        padding <integer>;
+        provide-ixfr <boolean>;
+        query-source ( ( [ address ] ( <ipv4_address> | * ) [ port (
+            <integer> | * ) ] ) | ( [ [ address ] ( <ipv4_address> | * ) ]
+            port ( <integer> | * ) ) ) [ dscp <integer> ];
+        query-source-v6 ( ( [ address ] ( <ipv6_address> | * ) [ port (
+            <integer> | * ) ] ) | ( [ [ address ] ( <ipv6_address> | * ) ]
+            port ( <integer> | * ) ) ) [ dscp <integer> ];
+        request-expire <boolean>;
+        request-ixfr <boolean>;
+        request-nsid <boolean>;
+        request-sit <boolean>; // obsolete
+        send-cookie <boolean>;
+        support-ixfr <boolean>; // obsolete
+        tcp-keepalive <boolean>;
+        tcp-only <boolean>;
+        transfer-format ( many-answers | one-answer );
+        transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [
+            dscp <integer> ];
+        transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * )
+            ] [ dscp <integer> ];
+        transfers <integer>;
+}; // may occur multiple times
+
+statistics-channels {
+        inet ( <ipv4_address> | <ipv6_address> |
+            * ) [ port ( <integer> | * ) ] [
+            allow { <address_match_element>; ...
+            } ]; // may occur multiple times
+}; // may occur multiple times
+
+trust-anchors { <string> ( static-key |
+    initial-key | static-ds | initial-ds )
+    <integer> <integer> <integer>
+    <quoted_string>; ... }; // may occur multiple times
+
+trusted-keys { <string> <integer>
+    <integer> <integer>
+    <quoted_string>; ... }; // may occur multiple times, deprecated
+
+view <string> [ <class> ] {
+        acache-cleaning-interval <integer>; // obsolete
+        acache-enable <boolean>; // obsolete
+        additional-from-auth <boolean>; // obsolete
+        additional-from-cache <boolean>; // obsolete
+        allow-new-zones <boolean>;
+        allow-notify { <address_match_element>; ... };
+        allow-query { <address_match_element>; ... };
+        allow-query-cache { <address_match_element>; ... };
+        allow-query-cache-on { <address_match_element>; ... };
+        allow-query-on { <address_match_element>; ... };
+        allow-recursion { <address_match_element>; ... };
+        allow-recursion-on { <address_match_element>; ... };
+        allow-transfer { <address_match_element>; ... };
+        allow-update { <address_match_element>; ... };
+        allow-update-forwarding { <address_match_element>; ... };
+        allow-v6-synthesis { <address_match_element>; ... }; // obsolete
+        also-notify [ port <integer> ] [ dscp <integer> ] { (
+            <remote-servers> | <ipv4_address> [ port <integer> ] |
+            <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... };
+        alt-transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * )
+            ] [ dscp <integer> ];
+        alt-transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> |
+            * ) ] [ dscp <integer> ];
+        attach-cache <string>;
+        auth-nxdomain <boolean>; // default changed
+        auto-dnssec ( allow | maintain | off ); // deprecated
+        cache-file <quoted_string>; // deprecated
+        catalog-zones { zone <string> [ default-masters [ port <integer> ]
+            [ dscp <integer> ] { ( <remote-servers> | <ipv4_address> [ port
+            <integer> ] | <ipv6_address> [ port <integer> ] ) [ key
+            <string> ]; ... } ] [ zone-directory <quoted_string> ] [
+            in-memory <boolean> ] [ min-update-interval <duration> ]; ... };
+        check-dup-records ( fail | warn | ignore );
+        check-integrity <boolean>;
+        check-mx ( fail | warn | ignore );
+        check-mx-cname ( fail | warn | ignore );
+        check-names ( primary | master |
+            secondary | slave | response ) (
+            fail | warn | ignore ); // may occur multiple times
+        check-sibling <boolean>;
+        check-spf ( warn | ignore );
+        check-srv-cname ( fail | warn | ignore );
+        check-wildcard <boolean>;
+        cleaning-interval <integer>; // obsolete
+        clients-per-query <integer>;
+        deny-answer-addresses { <address_match_element>; ... } [
+            except-from { <string>; ... } ];
+        deny-answer-aliases { <string>; ... } [ except-from { <string>; ...
+            } ];
+        dialup ( notify | notify-passive | passive | refresh | <boolean> );
+        disable-algorithms <string> { <string>;
+            ... }; // may occur multiple times
+        disable-ds-digests <string> { <string>;
+            ... }; // may occur multiple times
+        disable-empty-zone <string>; // may occur multiple times
+        dlz <string> {
+                database <string>;
+                search <boolean>;
+        }; // may occur multiple times
+        dns64 <netprefix> {
+                break-dnssec <boolean>;
+                clients { <address_match_element>; ... };
+                exclude { <address_match_element>; ... };
+                mapped { <address_match_element>; ... };
+                recursive-only <boolean>;
+                suffix <ipv6_address>;
+        }; // may occur multiple times
+        dns64-contact <string>;
+        dns64-server <string>;
+        dnskey-sig-validity <integer>;
+        dnsrps-enable <boolean>; // not configured
+        dnsrps-options { <unspecified-text> }; // not configured
+        dnssec-accept-expired <boolean>;
+        dnssec-dnskey-kskonly <boolean>;
+        dnssec-enable <boolean>; // obsolete
+        dnssec-loadkeys-interval <integer>;
+        dnssec-lookaside ( <string>
+            trust-anchor <string> |
+            auto | no ); // obsolete, may occur multiple times
+        dnssec-must-be-secure <string> <boolean>; // may occur multiple times
+        dnssec-policy <string>;
+        dnssec-secure-to-insecure <boolean>;
+        dnssec-update-mode ( maintain | no-resign );
+        dnssec-validation ( yes | no | auto );
+        dnstap { ( all | auth | client | forwarder | resolver | update ) [
+            ( query | response ) ]; ... };
+        dual-stack-servers [ port <integer> ] { ( <quoted_string> [ port
+            <integer> ] [ dscp <integer> ] | <ipv4_address> [ port
+            <integer> ] [ dscp <integer> ] | <ipv6_address> [ port
+            <integer> ] [ dscp <integer> ] ); ... };
+        dyndb <string> <quoted_string> {
+            <unspecified-text> }; // may occur multiple times
+        edns-udp-size <integer>;
+        empty-contact <string>;
+        empty-server <string>;
+        empty-zones-enable <boolean>;
+        fetch-glue <boolean>; // ancient
+        fetch-quota-params <integer> <fixedpoint> <fixedpoint> <fixedpoint>;
+        fetches-per-server <integer> [ ( drop | fail ) ];
+        fetches-per-zone <integer> [ ( drop | fail ) ];
+        filter-aaaa { <address_match_element>; ... }; // obsolete
+        filter-aaaa-on-v4 <boolean>; // obsolete
+        filter-aaaa-on-v6 <boolean>; // obsolete
+        forward ( first | only );
+        forwarders [ port <integer> ] [ dscp <integer> ] { ( <ipv4_address>
+            | <ipv6_address> ) [ port <integer> ] [ dscp <integer> ]; ... };
+        glue-cache <boolean>;
+        ixfr-from-differences ( primary | master | secondary | slave |
+            <boolean> );
+        key <string> {
+                algorithm <string>;
+                secret <string>;
+        }; // may occur multiple times
+        key-directory <quoted_string>;
+        lame-ttl <duration>;
+        lmdb-mapsize <sizeval>;
+        maintain-ixfr-base <boolean>; // ancient
+        managed-keys { <string> (
+            static-key | initial-key
+            | static-ds | initial-ds
+            ) <integer> <integer>
+            <integer>
+            <quoted_string>; ... }; // may occur multiple times, deprecated
+        masterfile-format ( map | raw | text );
+        masterfile-style ( full | relative );
+        match-clients { <address_match_element>; ... };
+        match-destinations { <address_match_element>; ... };
+        match-recursive-only <boolean>;
+        max-acache-size ( unlimited | <sizeval> ); // obsolete
+        max-cache-size ( default | unlimited | <sizeval> | <percentage> );
+        max-cache-ttl <duration>;
+        max-clients-per-query <integer>;
+        max-ixfr-log-size ( default | unlimited | <sizeval> ); // ancient
+        max-ixfr-ratio ( unlimited | <percentage> );
+        max-journal-size ( default | unlimited | <sizeval> );
+        max-ncache-ttl <duration>;
+        max-records <integer>;
+        max-recursion-depth <integer>;
+        max-recursion-queries <integer>;
+        max-refresh-time <integer>;
+        max-retry-time <integer>;
+        max-stale-ttl <duration>;
+        max-transfer-idle-in <integer>;
+        max-transfer-idle-out <integer>;
+        max-transfer-time-in <integer>;
+        max-transfer-time-out <integer>;
+        max-udp-size <integer>;
+        max-zone-ttl ( unlimited | <duration> );
+        message-compression <boolean>;
+        min-cache-ttl <duration>;
+        min-ncache-ttl <duration>;
+        min-refresh-time <integer>;
+        min-retry-time <integer>;
+        min-roots <integer>; // ancient
+        minimal-any <boolean>;
+        minimal-responses ( no-auth | no-auth-recursive | <boolean> );
+        multi-master <boolean>;
+        new-zones-directory <quoted_string>;
+        no-case-compress { <address_match_element>; ... };
+        nocookie-udp-size <integer>;
+        nosit-udp-size <integer>; // obsolete
+        notify ( explicit | master-only | primary-only | <boolean> );
+        notify-delay <integer>;
+        notify-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [
+            dscp <integer> ];
+        notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ]
+            [ dscp <integer> ];
+        notify-to-soa <boolean>;
+        nsec3-test-zone <boolean>; // test only
+        nta-lifetime <duration>;
+        nta-recheck <duration>;
+        nxdomain-redirect <string>;
+        parental-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [
+            dscp <integer> ];
+        parental-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * )
+            ] [ dscp <integer> ];
+        plugin ( query ) <string> [ {
+            <unspecified-text> } ]; // may occur multiple times
+        preferred-glue <string>;
+        prefetch <integer> [ <integer> ];
+        provide-ixfr <boolean>;
+        qname-minimization ( strict | relaxed | disabled | off );
+        query-source ( ( [ address ] ( <ipv4_address> | * ) [ port (
+            <integer> | * ) ] ) | ( [ [ address ] ( <ipv4_address> | * ) ]
+            port ( <integer> | * ) ) ) [ dscp <integer> ];
+        query-source-v6 ( ( [ address ] ( <ipv6_address> | * ) [ port (
+            <integer> | * ) ] ) | ( [ [ address ] ( <ipv6_address> | * ) ]
+            port ( <integer> | * ) ) ) [ dscp <integer> ];
+        queryport-pool-ports <integer>; // obsolete
+        queryport-pool-updateinterval <integer>; // obsolete
+        rate-limit {
+                all-per-second <integer>;
+                errors-per-second <integer>;
+                exempt-clients { <address_match_element>; ... };
+                ipv4-prefix-length <integer>;
+                ipv6-prefix-length <integer>;
+                log-only <boolean>;
+                max-table-size <integer>;
+                min-table-size <integer>;
+                nodata-per-second <integer>;
+                nxdomains-per-second <integer>;
+                qps-scale <integer>;
+                referrals-per-second <integer>;
+                responses-per-second <integer>;
+                slip <integer>;
+                window <integer>;
+        };
+        recursion <boolean>;
+        request-expire <boolean>;
+        request-ixfr <boolean>;
+        request-nsid <boolean>;
+        request-sit <boolean>; // obsolete
+        require-server-cookie <boolean>;
+        resolver-nonbackoff-tries <integer>;
+        resolver-query-timeout <integer>;
+        resolver-retry-interval <integer>;
+        response-padding { <address_match_element>; ... } block-size
+            <integer>;
+        response-policy { zone <string> [ add-soa <boolean> ] [ log
+            <boolean> ] [ max-policy-ttl <duration> ] [ min-update-interval
+            <duration> ] [ policy ( cname | disabled | drop | given | no-op
+            | nodata | nxdomain | passthru | tcp-only <quoted_string> ) ] [
+            recursive-only <boolean> ] [ nsip-enable <boolean> ] [
+            nsdname-enable <boolean> ]; ... } [ add-soa <boolean> ] [
+            break-dnssec <boolean> ] [ max-policy-ttl <duration> ] [
+            min-update-interval <duration> ] [ min-ns-dots <integer> ] [
+            nsip-wait-recurse <boolean> ] [ qname-wait-recurse <boolean> ]
+            [ recursive-only <boolean> ] [ nsip-enable <boolean> ] [
+            nsdname-enable <boolean> ] [ dnsrps-enable <boolean> ] [
+            dnsrps-options { <unspecified-text> } ];
+        rfc2308-type1 <boolean>; // ancient
+        root-delegation-only [ exclude { <string>; ... } ];
+        root-key-sentinel <boolean>;
+        rrset-order { [ class <string> ] [ type <string> ] [ name
+            <quoted_string> ] <string> <string>; ... };
+        send-cookie <boolean>;
+        serial-update-method ( date | increment | unixtime );
+        server <netprefix> {
+                bogus <boolean>;
+                edns <boolean>;
+                edns-udp-size <integer>;
+                edns-version <integer>;
+                keys <server_key>;
+                max-udp-size <integer>;
+                notify-source ( <ipv4_address> | * ) [ port ( <integer> | *
+                    ) ] [ dscp <integer> ];
+                notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer>
+                    | * ) ] [ dscp <integer> ];
+                padding <integer>;
+                provide-ixfr <boolean>;
+                query-source ( ( [ address ] ( <ipv4_address> | * ) [ port
+                    ( <integer> | * ) ] ) | ( [ [ address ] (
+                    <ipv4_address> | * ) ] port ( <integer> | * ) ) ) [
+                    dscp <integer> ];
+                query-source-v6 ( ( [ address ] ( <ipv6_address> | * ) [
+                    port ( <integer> | * ) ] ) | ( [ [ address ] (
+                    <ipv6_address> | * ) ] port ( <integer> | * ) ) ) [
+                    dscp <integer> ];
+                request-expire <boolean>;
+                request-ixfr <boolean>;
+                request-nsid <boolean>;
+                request-sit <boolean>; // obsolete
+                send-cookie <boolean>;
+                support-ixfr <boolean>; // obsolete
+                tcp-keepalive <boolean>;
+                tcp-only <boolean>;
+                transfer-format ( many-answers | one-answer );
+                transfer-source ( <ipv4_address> | * ) [ port ( <integer> |
+                    * ) ] [ dscp <integer> ];
+                transfer-source-v6 ( <ipv6_address> | * ) [ port (
+                    <integer> | * ) ] [ dscp <integer> ];
+                transfers <integer>;
+        }; // may occur multiple times
+        servfail-ttl <duration>;
+        sig-signing-nodes <integer>;
+        sig-signing-signatures <integer>;
+        sig-signing-type <integer>;
+        sig-validity-interval <integer> [ <integer> ];
+        sortlist { <address_match_element>; ... };
+        stale-answer-client-timeout ( disabled | off | <integer> );
+        stale-answer-enable <boolean>;
+        stale-answer-ttl <duration>;
+        stale-cache-enable <boolean>;
+        stale-refresh-time <duration>;
+        suppress-initial-notify <boolean>; // not yet implemented
+        synth-from-dnssec <boolean>;
+        topology { <address_match_element>; ... }; // ancient
+        transfer-format ( many-answers | one-answer );
+        transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [
+            dscp <integer> ];
+        transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * )
+            ] [ dscp <integer> ];
+        trust-anchor-telemetry <boolean>; // experimental
+        trust-anchors { <string> ( static-key |
+            initial-key | static-ds | initial-ds
+            ) <integer> <integer> <integer>
+            <quoted_string>; ... }; // may occur multiple times
+        trusted-keys { <string>
+            <integer> <integer>
+            <integer>
+            <quoted_string>; ... }; // may occur multiple times, deprecated
+        try-tcp-refresh <boolean>;
+        update-check-ksk <boolean>;
+        use-alt-transfer-source <boolean>;
+        use-queryport-pool <boolean>; // obsolete
+        v6-bias <integer>;
+        validate-except { <string>; ... };
+        zero-no-soa-ttl <boolean>;
+        zero-no-soa-ttl-cache <boolean>;
+        zone <string> [ <class> ] {
+                allow-notify { <address_match_element>; ... };
+                allow-query { <address_match_element>; ... };
+                allow-query-on { <address_match_element>; ... };
+                allow-transfer { <address_match_element>; ... };
+                allow-update { <address_match_element>; ... };
+                allow-update-forwarding { <address_match_element>; ... };
+                also-notify [ port <integer> ] [ dscp <integer> ] { (
+                    <remote-servers> | <ipv4_address> [ port <integer> ] |
+                    <ipv6_address> [ port <integer> ] ) [ key <string> ];
+                    ... };
+                alt-transfer-source ( <ipv4_address> | * ) [ port (
+                    <integer> | * ) ] [ dscp <integer> ];
+                alt-transfer-source-v6 ( <ipv6_address> | * ) [ port (
+                    <integer> | * ) ] [ dscp <integer> ];
+                auto-dnssec ( allow | maintain | off ); // deprecated
+                check-dup-records ( fail | warn | ignore );
+                check-integrity <boolean>;
+                check-mx ( fail | warn | ignore );
+                check-mx-cname ( fail | warn | ignore );
+                check-names ( fail | warn | ignore );
+                check-sibling <boolean>;
+                check-spf ( warn | ignore );
+                check-srv-cname ( fail | warn | ignore );
+                check-wildcard <boolean>;
+                database <string>;
+                delegation-only <boolean>;
+                dialup ( notify | notify-passive | passive | refresh |
+                    <boolean> );
+                dlz <string>;
+                dnskey-sig-validity <integer>;
+                dnssec-dnskey-kskonly <boolean>;
+                dnssec-loadkeys-interval <integer>;
+                dnssec-policy <string>;
+                dnssec-secure-to-insecure <boolean>;
+                dnssec-update-mode ( maintain | no-resign );
+                file <quoted_string>;
+                forward ( first | only );
+                forwarders [ port <integer> ] [ dscp <integer> ] { (
+                    <ipv4_address> | <ipv6_address> ) [ port <integer> ] [
+                    dscp <integer> ]; ... };
+                in-view <string>;
+                inline-signing <boolean>;
+                ixfr-base <quoted_string>; // ancient
+                ixfr-from-differences <boolean>;
+                ixfr-tmp-file <quoted_string>; // ancient
+                journal <quoted_string>;
+                key-directory <quoted_string>;
+                maintain-ixfr-base <boolean>; // ancient
+                masterfile-format ( map | raw | text );
+                masterfile-style ( full | relative );
+                masters [ port <integer> ] [ dscp <integer> ] { (
+                    <remote-servers> | <ipv4_address> [ port <integer> ] |
+                    <ipv6_address> [ port <integer> ] ) [ key <string> ];
+                    ... };
+                max-ixfr-log-size ( default | unlimited |
+                    <sizeval> ); // ancient
+                max-ixfr-ratio ( unlimited | <percentage> );
+                max-journal-size ( default | unlimited | <sizeval> );
+                max-records <integer>;
+                max-refresh-time <integer>;
+                max-retry-time <integer>;
+                max-transfer-idle-in <integer>;
+                max-transfer-idle-out <integer>;
+                max-transfer-time-in <integer>;
+                max-transfer-time-out <integer>;
+                max-zone-ttl ( unlimited | <duration> );
+                min-refresh-time <integer>;
+                min-retry-time <integer>;
+                multi-master <boolean>;
+                notify ( explicit | master-only | primary-only | <boolean> );
+                notify-delay <integer>;
+                notify-source ( <ipv4_address> | * ) [ port ( <integer> | *
+                    ) ] [ dscp <integer> ];
+                notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer>
+                    | * ) ] [ dscp <integer> ];
+                notify-to-soa <boolean>;
+                nsec3-test-zone <boolean>; // test only
+                parental-agents [ port <integer> ] [ dscp <integer> ] { (
+                    <remote-servers> | <ipv4_address> [ port <integer> ] |
+                    <ipv6_address> [ port <integer> ] ) [ key <string> ];
+                    ... };
+                parental-source ( <ipv4_address> | * ) [ port ( <integer> |
+                    * ) ] [ dscp <integer> ];
+                parental-source-v6 ( <ipv6_address> | * ) [ port (
+                    <integer> | * ) ] [ dscp <integer> ];
+                primaries [ port <integer> ] [ dscp <integer> ] { (
+                    <remote-servers> | <ipv4_address> [ port <integer> ] |
+                    <ipv6_address> [ port <integer> ] ) [ key <string> ];
+                    ... };
+                pubkey <integer> <integer> <integer>
+                    <quoted_string>; // ancient
+                request-expire <boolean>;
+                request-ixfr <boolean>;
+                serial-update-method ( date | increment | unixtime );
+                server-addresses { ( <ipv4_address> | <ipv6_address> ); ... };
+                server-names { <string>; ... };
+                sig-signing-nodes <integer>;
+                sig-signing-signatures <integer>;
+                sig-signing-type <integer>;
+                sig-validity-interval <integer> [ <integer> ];
+                transfer-source ( <ipv4_address> | * ) [ port ( <integer> |
+                    * ) ] [ dscp <integer> ];
+                transfer-source-v6 ( <ipv6_address> | * ) [ port (
+                    <integer> | * ) ] [ dscp <integer> ];
+                try-tcp-refresh <boolean>;
+                type ( primary | master | secondary | slave | mirror |
+                    delegation-only | forward | hint | redirect |
+                    static-stub | stub );
+                update-check-ksk <boolean>;
+                update-policy ( local | { ( deny | grant ) <string> (
+                    6to4-self | external | krb5-self | krb5-selfsub |
+                    krb5-subdomain | ms-self | ms-selfsub | ms-subdomain |
+                    name | self | selfsub | selfwild | subdomain | tcp-self
+                    | wildcard | zonesub ) [ <string> ] <rrtypelist>; ... } );
+                use-alt-transfer-source <boolean>;
+                zero-no-soa-ttl <boolean>;
+                zone-statistics ( full | terse | none | <boolean> );
+        }; // may occur multiple times
+        zone-statistics ( full | terse | none | <boolean> );
+}; // may occur multiple times
+
+zone <string> [ <class> ] {
+        allow-notify { <address_match_element>; ... };
+        allow-query { <address_match_element>; ... };
+        allow-query-on { <address_match_element>; ... };
+        allow-transfer { <address_match_element>; ... };
+        allow-update { <address_match_element>; ... };
+        allow-update-forwarding { <address_match_element>; ... };
+        also-notify [ port <integer> ] [ dscp <integer> ] { (
+            <remote-servers> | <ipv4_address> [ port <integer> ] |
+            <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... };
+        alt-transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * )
+            ] [ dscp <integer> ];
+        alt-transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> |
+            * ) ] [ dscp <integer> ];
+        auto-dnssec ( allow | maintain | off ); // deprecated
+        check-dup-records ( fail | warn | ignore );
+        check-integrity <boolean>;
+        check-mx ( fail | warn | ignore );
+        check-mx-cname ( fail | warn | ignore );
+        check-names ( fail | warn | ignore );
+        check-sibling <boolean>;
+        check-spf ( warn | ignore );
+        check-srv-cname ( fail | warn | ignore );
+        check-wildcard <boolean>;
+        database <string>;
+        delegation-only <boolean>;
+        dialup ( notify | notify-passive | passive | refresh | <boolean> );
+        dlz <string>;
+        dnskey-sig-validity <integer>;
+        dnssec-dnskey-kskonly <boolean>;
+        dnssec-loadkeys-interval <integer>;
+        dnssec-policy <string>;
+        dnssec-secure-to-insecure <boolean>;
+        dnssec-update-mode ( maintain | no-resign );
+        file <quoted_string>;
+        forward ( first | only );
+        forwarders [ port <integer> ] [ dscp <integer> ] { ( <ipv4_address>
+            | <ipv6_address> ) [ port <integer> ] [ dscp <integer> ]; ... };
+        in-view <string>;
+        inline-signing <boolean>;
+        ixfr-base <quoted_string>; // ancient
+        ixfr-from-differences <boolean>;
+        ixfr-tmp-file <quoted_string>; // ancient
+        journal <quoted_string>;
+        key-directory <quoted_string>;
+        maintain-ixfr-base <boolean>; // ancient
+        masterfile-format ( map | raw | text );
+        masterfile-style ( full | relative );
+        masters [ port <integer> ] [ dscp <integer> ] { ( <remote-servers>
+            | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port
+            <integer> ] ) [ key <string> ]; ... };
+        max-ixfr-log-size ( default | unlimited | <sizeval> ); // ancient
+        max-ixfr-ratio ( unlimited | <percentage> );
+        max-journal-size ( default | unlimited | <sizeval> );
+        max-records <integer>;
+        max-refresh-time <integer>;
+        max-retry-time <integer>;
+        max-transfer-idle-in <integer>;
+        max-transfer-idle-out <integer>;
+        max-transfer-time-in <integer>;
+        max-transfer-time-out <integer>;
+        max-zone-ttl ( unlimited | <duration> );
+        min-refresh-time <integer>;
+        min-retry-time <integer>;
+        multi-master <boolean>;
+        notify ( explicit | master-only | primary-only | <boolean> );
+        notify-delay <integer>;
+        notify-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [
+            dscp <integer> ];
+        notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ]
+            [ dscp <integer> ];
+        notify-to-soa <boolean>;
+        nsec3-test-zone <boolean>; // test only
+        parental-agents [ port <integer> ] [ dscp <integer> ] { (
+            <remote-servers> | <ipv4_address> [ port <integer> ] |
+            <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... };
+        parental-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [
+            dscp <integer> ];
+        parental-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * )
+            ] [ dscp <integer> ];
+        primaries [ port <integer> ] [ dscp <integer> ] { (
+            <remote-servers> | <ipv4_address> [ port <integer> ] |
+            <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... };
+        pubkey <integer> <integer> <integer> <quoted_string>; // ancient
+        request-expire <boolean>;
+        request-ixfr <boolean>;
+        serial-update-method ( date | increment | unixtime );
+        server-addresses { ( <ipv4_address> | <ipv6_address> ); ... };
+        server-names { <string>; ... };
+        sig-signing-nodes <integer>;
+        sig-signing-signatures <integer>;
+        sig-signing-type <integer>;
+        sig-validity-interval <integer> [ <integer> ];
+        transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [
+            dscp <integer> ];
+        transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * )
+            ] [ dscp <integer> ];
+        try-tcp-refresh <boolean>;
+        type ( primary | master | secondary | slave | mirror |
+            delegation-only | forward | hint | redirect | static-stub |
+            stub );
+        update-check-ksk <boolean>;
+        update-policy ( local | { ( deny | grant ) <string> ( 6to4-self |
+            external | krb5-self | krb5-selfsub | krb5-subdomain | ms-self
+            | ms-selfsub | ms-subdomain | name | self | selfsub | selfwild
+            | subdomain | tcp-self | wildcard | zonesub ) [ <string> ]
+            <rrtypelist>; ... } );
+        use-alt-transfer-source <boolean>;
+        zero-no-soa-ttl <boolean>;
+        zone-statistics ( full | terse | none | <boolean> );
+}; // may occur multiple times
+