This is a summary of the named.conf options supported by

this version of BIND 9.

options {

acache-cleaning-interval <integer>;

acache-enable <boolean>;

additional-from-auth <boolean>;

additional-from-cache <boolean>;

allow-query-cache { <address_match_element>; ... };

allow-query-cache-on { <address_match_element>; ... };

allow-recursion { <address_match_element>; ... };

allow-recursion-on { <address_match_element>; ... };

allow-v6-synthesis { <address_match_element>; ... }; // obsolete

attach-cache <string>;

auth-nxdomain <boolean>; // default changed

avoid-v4-udp-ports { <portrange>; ... };

avoid-v6-udp-ports { <portrange>; ... };

bindkeys-file <quoted_string>;

blackhole { <address_match_element>; ... };

cache-file <quoted_string>;

check-names ( master | slave | response ) ( fail | warn | ignore );

cleaning-interval <integer>;

clients-per-query <integer>;

coresize <size>;

datasize <size>;

ddns-keyalg <string>;

ddns-keyfile ( <quoted_string> | none );

ddns-keyname <string>;

deallocate-on-exit <boolean>; // obsolete

deny-answer-addresses { <address_match_element>; ... } [

except-from { <quoted_string>; ... } ];

deny-answer-aliases { <quoted_string>; ... } [ except-from {

<quoted_string>; ... } ];

directory <quoted_string>;

disable-algorithms <string> { <string>; ... };

disable-empty-zone <string>;

dnssec-accept-expired <boolean>;

dnssec-enable <boolean>;

dnssec-lookaside <string> trust-anchor <string>;

dnssec-must-be-secure <string> <boolean>;

dnssec-validation <boolean>;

dual-stack-servers [ port <integer> ] { ( <quoted_string> [ port

<integer> ] | <ipv4_address> [ port <integer> ] |

<ipv6_address> [ port <integer> ] ); ... };

dump-file <quoted_string>;

edns-udp-size <integer>;

empty-contact <string>;

empty-server <string>;

empty-zones-enable <boolean>;

fake-iquery <boolean>; // obsolete

fetch-glue <boolean>; // obsolete

files <size>;

flush-zones-on-shutdown <boolean>;

has-old-clients <boolean>; // obsolete

heartbeat-interval <integer>;

host-statistics <boolean>; // not implemented

host-statistics-max <integer>; // not implemented

hostname ( <quoted_string> | none );

interface-interval <integer>;

ixfr-from-differences <ixfrdiff>;

lame-ttl <integer>;

listen-on [ port <integer> ] { <address_match_element>; ... };

listen-on-v6 [ port <integer> ] { <address_match_element>; ... };

match-mapped-addresses <boolean>;

max-acache-size <size_no_default>;

max-cache-size <size_no_default>;

max-cache-ttl <integer>;

max-clients-per-query <integer>;

max-ncache-ttl <integer>;

max-udp-size <integer>;

memstatistics <boolean>;

memstatistics-file <quoted_string>;

min-roots <integer>; // not implemented

minimal-responses <boolean>;

multiple-cnames <boolean>; // obsolete

named-xfer <quoted_string>; // obsolete

pid-file ( <quoted_string> | none );

port <integer>;

preferred-glue <string>;

provide-ixfr <boolean>;

query-source <querysource4>;

query-source-v6 <querysource6>;

querylog <boolean>;

queryport-pool-ports <integer>; // obsolete

queryport-pool-updateinterval <integer>; // obsolete

random-device <quoted_string>;

recursing-file <quoted_string>;

recursion <boolean>;

recursive-clients <integer>;

request-ixfr <boolean>;

request-nsid <boolean>;

reserved-sockets <integer>;

rfc2308-type1 <boolean>; // not yet implemented

root-delegation-only [ exclude { <quoted_string>; ... } ];

rrset-order { [ class <string> ] [ type <string> ] [

name <quoted_string> ] <string> <string>; ... };

serial-queries <integer>; // obsolete

serial-query-rate <integer>;

server-id ( <quoted_string> | none |;

stacksize <size>;

statistics-file <quoted_string>;

statistics-interval <integer>; // not yet implemented

tcp-clients <integer>;

tcp-listen-queue <integer>;

tkey-dhkey <quoted_string> <integer>;

tkey-domain <quoted_string>;

tkey-gssapi-credential <quoted_string>;

transfers-in <integer>;

transfers-out <integer>;

transfers-per-ns <integer>;

treat-cr-as-space <boolean>; // obsolete

use-id-pool <boolean>; // obsolete

use-ixfr <boolean>;

use-v4-udp-ports { <portrange>; ... };

use-v6-udp-ports { <portrange>; ... };

version ( <quoted_string> | none );