This is a summary of the named.conf options supported by this version of BIND 9. options { acache-cleaning-interval ; acache-enable ; additional-from-auth ; additional-from-cache ; allow-query-cache { ; ... }; allow-query-cache-on { ; ... }; allow-recursion { ; ... }; allow-recursion-on { ; ... }; allow-v6-synthesis { ; ... }; // obsolete attach-cache ; auth-nxdomain ; // default changed avoid-v4-udp-ports { ; ... }; avoid-v6-udp-ports { ; ... }; bindkeys-file ; blackhole { ; ... }; cache-file ; check-names ( master | slave | response ) ( fail | warn | ignore ); cleaning-interval ; clients-per-query ; coresize ; datasize ; ddns-keyalg ; ddns-keyfile ( | none ); ddns-keyname ; deallocate-on-exit ; // obsolete deny-answer-addresses { ; ... } [ except-from { ; ... } ]; deny-answer-aliases { ; ... } [ except-from { ; ... } ]; directory ; disable-algorithms { ; ... }; disable-empty-zone ; dnssec-accept-expired ; dnssec-enable ; dnssec-lookaside trust-anchor ; dnssec-must-be-secure ; dnssec-validation ; dual-stack-servers [ port ] { ( [ port ] | [ port ] | [ port ] ); ... }; dump-file ; edns-udp-size ; empty-contact ; empty-server ; empty-zones-enable ; fake-iquery ; // obsolete fetch-glue ; // obsolete files ; flush-zones-on-shutdown ; has-old-clients ; // obsolete heartbeat-interval ; host-statistics ; // not implemented host-statistics-max ; // not implemented hostname ( | none ); interface-interval ; ixfr-from-differences ; lame-ttl ; listen-on [ port ] { ; ... }; listen-on-v6 [ port ] { ; ... }; match-mapped-addresses ; max-acache-size ; max-cache-size ; max-cache-ttl ; max-clients-per-query ; max-ncache-ttl ; max-udp-size ; memstatistics ; memstatistics-file ; min-roots ; // not implemented minimal-responses ; multiple-cnames ; // obsolete named-xfer ; // obsolete pid-file ( | none ); port ; preferred-glue ; provide-ixfr ; query-source ; query-source-v6 ; querylog ; queryport-pool-ports ; // obsolete queryport-pool-updateinterval ; // obsolete random-device ; recursing-file ; recursion ; recursive-clients ; request-ixfr ; request-nsid ; reserved-sockets ; rfc2308-type1 ; // not yet implemented root-delegation-only [ exclude { ; ... } ]; rrset-order { [ class ] [ type ] [ name ] ; ... }; serial-queries ; // obsolete serial-query-rate ; server-id ( | none |; stacksize ; statistics-file ; statistics-interval ; // not yet implemented tcp-clients ; tcp-listen-queue ; tkey-dhkey ; tkey-domain ; tkey-gssapi-credential ; transfers-in ; transfers-out ; transfers-per-ns ; treat-cr-as-space ; // obsolete use-id-pool ; // obsolete use-ixfr ; use-v4-udp-ports { ; ... }; use-v6-udp-ports { ; ... }; version ( | none );