
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 );

