.. Copyright (C) Internet Systems Consortium, Inc. ("ISC")
..
.. SPDX-License-Identifier: MPL-2.0
..
.. This Source Code Form is subject to the terms of the Mozilla Public
.. License, v. 2.0. If a copy of the MPL was not distributed with this
.. file, you can obtain one at https://mozilla.org/MPL/2.0/.
..
.. See the COPYRIGHT file distributed with this work for additional
.. information regarding copyright ownership.
::
options {
allow-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>; ... };
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 );
check-sibling <boolean>;
check-spf ( warn | ignore );
check-srv-cname ( fail | warn | ignore );
check-wildcard <boolean>;
clients-per-query <integer>;
cookie-algorithm ( aes | siphash24 );
cookie-secret <string>;
coresize ( default | unlimited | <sizeval> );
datasize ( default | unlimited | <sizeval> );
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>;
... };
disable-ds-digests <string> { <string>;
... };
disable-empty-zone <string>;
dns64 <netprefix> {
break-dnssec <boolean>;
clients { <address_match_element>; ... };
exclude { <address_match_element>; ... };
mapped { <address_match_element>; ... };
recursive-only <boolean>;
suffix <ipv6_address>;
};
dns64-contact <string>;
dns64-server <string>;
dnskey-sig-validity <integer>;
dnsrps-enable <boolean>;
dnsrps-options { <unspecified-text> };
dnssec-accept-expired <boolean>;
dnssec-dnskey-kskonly <boolean>;
dnssec-loadkeys-interval <integer>;
dnssec-must-be-secure <string> <boolean>;
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>;
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>;
fetch-quota-params <integer> <fixedpoint> <fixedpoint> <fixedpoint>;
fetches-per-server <integer> [ ( drop | fail ) ];
fetches-per-zone <integer> [ ( drop | fail ) ];
files ( default | unlimited | <sizeval> );
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 );
glue-cache <boolean>;
heartbeat-interval <integer>;
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>; ... };
listen-on-v6 [ port <integer> ] [ dscp
<integer> ] {
<address_match_element>; ... };
lmdb-mapsize <sizeval>;
lock-file ( <quoted_string> | none );
managed-keys-directory <quoted_string>;
masterfile-format ( map | raw | text );
masterfile-style ( full | relative );
match-mapped-addresses <boolean>;
max-cache-size ( default | unlimited | <sizeval> | <percentage> );
max-cache-ttl <duration>;
max-clients-per-query <integer>;
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>;
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>;
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>;
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>;
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>;
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>;
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-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> ];
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>;
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>;
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>;
trust-anchor-telemetry <boolean>; // experimental
try-tcp-refresh <boolean>;
update-check-ksk <boolean>;
update-quota <integer>;
use-alt-transfer-source <boolean>;
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> );
};