contrib/bind9/doc/misc/options

   1
   2 This is a summary of the named.conf options supported by
   3 this version of BIND 9.
   4
   5 acl <string> { <address_match_element>; ... };
   6
   7 controls {
   8         inet ( <ipv4_address> | <ipv6_address> | * ) [ port ( <integer> | *
   9             ) ] allow { <address_match_element>; ... } [ keys { <string>;
  10             ... } ];
  11         unix <quoted_string> perm <integer> owner <integer> group <integer>
  12             [ keys { <string>; ... } ];
  13 };
  14
  15 dlz <string> {
  16         database <string>;
  17 };
  18
  19 key <string> {
  20         algorithm <string>;
  21         secret <string>;
  22 };
  23
  24 logging {
  25         category <string> { <string>; ... };
  26         channel <string> {
  27                 file <quoted_string> [ versions ( "unlimited" | <integer> )
  28                     ] [ size <size> ];
  29                 null;
  30                 print-category <boolean>;
  31                 print-severity <boolean>;
  32                 print-time <boolean>;
  33                 severity <log_severity>;
  34                 stderr;
  35                 syslog <optional_facility>;
  36         };
  37 };
  38
  39 lwres {
  40         listen-on [ port <integer> ] { ( <ipv4_address> | <ipv6_address> )
  41             [ port <integer> ]; ... };
  42         ndots <integer>;
  43         search { <string>; ... };
  44         view <string> <optional_class>;
  45 };
  46
  47 managed-keys { <string> <string> <integer> <integer> <integer>
  48     <quoted_string>; ... };
  49
  50 masters <string> [ port <integer> ] { ( <masters> | <ipv4_address> [ port
  51     <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... };
  52
  53 options {
  54         acache-cleaning-interval <integer>;
  55         acache-enable <boolean>;
  56         additional-from-auth <boolean>;
  57         additional-from-cache <boolean>;
  58         allow-new-zones <boolean>;
  59         allow-notify { <address_match_element>; ... };
  60         allow-query { <address_match_element>; ... };
  61         allow-query-cache { <address_match_element>; ... };
  62         allow-query-cache-on { <address_match_element>; ... };
  63         allow-query-on { <address_match_element>; ... };
  64         allow-recursion { <address_match_element>; ... };
  65         allow-recursion-on { <address_match_element>; ... };
  66         allow-transfer { <address_match_element>; ... };
  67         allow-update { <address_match_element>; ... };
  68         allow-update-forwarding { <address_match_element>; ... };
  69         allow-v6-synthesis { <address_match_element>; ... }; // obsolete
  70         also-notify [ port <integer> ] { ( <masters> | <ipv4_address> [
  71             port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key
  72             <string> ]; ... };
  73         alt-transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ];
  74         alt-transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> |
  75             * ) ];
  76         attach-cache <string>;
  77         auth-nxdomain <boolean>; // default changed
  78         auto-dnssec ( allow | maintain | off );
  79         avoid-v4-udp-ports { <portrange>; ... };
  80         avoid-v6-udp-ports { <portrange>; ... };
  81         bindkeys-file <quoted_string>;
  82         blackhole { <address_match_element>; ... };
  83         cache-file <quoted_string>;
  84         check-dup-records ( fail | warn | ignore );
  85         check-integrity <boolean>;
  86         check-mx ( fail | warn | ignore );
  87         check-mx-cname ( fail | warn | ignore );
  88         check-names ( master | slave | response ) ( fail | warn | ignore );
  89         check-sibling <boolean>;
  90         check-spf ( warn | ignore );
  91         check-srv-cname ( fail | warn | ignore );
  92         check-wildcard <boolean>;
  93         cleaning-interval <integer>;
  94         clients-per-query <integer>;
  95         coresize <size>;
  96         datasize <size>;
  97         deallocate-on-exit <boolean>; // obsolete
  98         deny-answer-addresses { <address_match_element>; ... } [
  99             except-from { <quoted_string>; ... } ];
 100         deny-answer-aliases { <quoted_string>; ... } [ except-from {
 101             <quoted_string>; ... } ];
 102         dialup <dialuptype>;
 103         directory <quoted_string>;
 104         disable-algorithms <string> { <string>; ... };
 105         disable-empty-zone <string>;
 106         dns64 <netprefix> {
 107                 break-dnssec <boolean>;
 108                 clients { <address_match_element>; ... };
 109                 exclude { <address_match_element>; ... };
 110                 mapped { <address_match_element>; ... };
 111                 recursive-only <boolean>;
 112                 suffix <ipv6_address>;
 113         };
 114         dns64-contact <string>;
 115         dns64-server <string>;
 116         dnssec-accept-expired <boolean>;
 117         dnssec-dnskey-kskonly <boolean>;
 118         dnssec-enable <boolean>;
 119         dnssec-loadkeys-interval <integer>;
 120         dnssec-lookaside ( <string> trust-anchor <string> | auto | no );
 121         dnssec-must-be-secure <string> <boolean>;
 122         dnssec-secure-to-insecure <boolean>;
 123         dnssec-update-mode ( maintain | no-resign );
 124         dnssec-validation ( yes | no | auto );
 125         dual-stack-servers [ port <integer> ] { ( <quoted_string> [ port
 126             <integer> ] | <ipv4_address> [ port <integer> ] |
 127             <ipv6_address> [ port <integer> ] ); ... };
 128         dump-file <quoted_string>;
 129         edns-udp-size <integer>;
 130         empty-contact <string>;
 131         empty-server <string>;
 132         empty-zones-enable <boolean>;
 133         fake-iquery <boolean>; // obsolete
 134         fetch-glue <boolean>; // obsolete
 135         files <size>;
 136         filter-aaaa { <address_match_element>; ... }; // not configured
 137         filter-aaaa-on-v4 <v4_aaaa>; // not configured
 138         flush-zones-on-shutdown <boolean>;
 139         forward ( first | only );
 140         forwarders [ port <integer> ] { ( <ipv4_address> | <ipv6_address> )
 141             [ port <integer> ]; ... };
 142         has-old-clients <boolean>; // obsolete
 143         heartbeat-interval <integer>;
 144         host-statistics <boolean>; // not implemented
 145         host-statistics-max <integer>; // not implemented
 146         hostname ( <quoted_string> | none );
 147         inline-signing <boolean>;
 148         interface-interval <integer>;
 149         ixfr-from-differences <ixfrdiff>;
 150         key-directory <quoted_string>;
 151         lame-ttl <integer>;
 152         listen-on [ port <integer> ] { <address_match_element>; ... };
 153         listen-on-v6 [ port <integer> ] { <address_match_element>; ... };
 154         maintain-ixfr-base <boolean>; // obsolete
 155         managed-keys-directory <quoted_string>;
 156         masterfile-format ( text | raw );
 157         match-mapped-addresses <boolean>;
 158         max-acache-size <size_no_default>;
 159         max-cache-size <size_no_default>;
 160         max-cache-ttl <integer>;
 161         max-clients-per-query <integer>;
 162         max-ixfr-log-size <size>; // obsolete
 163         max-journal-size <size_no_default>;
 164         max-ncache-ttl <integer>;
 165         max-refresh-time <integer>;
 166         max-retry-time <integer>;
 167         max-rsa-exponent-size <integer>;
 168         max-transfer-idle-in <integer>;
 169         max-transfer-idle-out <integer>;
 170         max-transfer-time-in <integer>;
 171         max-transfer-time-out <integer>;
 172         max-udp-size <integer>;
 173         memstatistics <boolean>;
 174         memstatistics-file <quoted_string>;
 175         min-refresh-time <integer>;
 176         min-retry-time <integer>;
 177         min-roots <integer>; // not implemented
 178         minimal-responses <boolean>;
 179         multi-master <boolean>;
 180         multiple-cnames <boolean>; // obsolete
 181         named-xfer <quoted_string>; // obsolete
 182         notify <notifytype>;
 183         notify-delay <integer>;
 184         notify-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ];
 185         notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ];
 186         notify-to-soa <boolean>;
 187         nsec3-test-zone <boolean>; // test only
 188         pid-file ( <quoted_string> | none );
 189         port <integer>;
 190         preferred-glue <string>;
 191         provide-ixfr <boolean>;
 192         query-source <querysource4>;
 193         query-source-v6 <querysource6>;
 194         querylog <boolean>;
 195         queryport-pool-ports <integer>; // obsolete
 196         queryport-pool-updateinterval <integer>; // obsolete
 197         random-device <quoted_string>;
 198         recursing-file <quoted_string>;
 199         recursion <boolean>;
 200         recursive-clients <integer>;
 201         request-ixfr <boolean>;
 202         request-ixfr <boolean>;
 203         request-nsid <boolean>;
 204         reserved-sockets <integer>;
 205         resolver-query-timeout <integer>;
 206         response-policy { zone <quoted_string> [ policy ( given | disabled
 207             | passthru | no-op | nxdomain | nodata | cname <quoted_string>
 208             ) ] [ recursive-only <boolean> ] [ max-policy-ttl <integer> ];
 209             ... } [ recursive-only <boolean> ] [ break-dnssec <boolean> ] [
 210             max-policy-ttl <integer> ] [ min-ns-dots <integer> ];
 211         rfc2308-type1 <boolean>; // not yet implemented
 212         root-delegation-only [ exclude { <quoted_string>; ... } ];
 213         rrset-order { [ class <string> ] [ type <string> ] [ name
 214             <quoted_string> ] <string> <string>; ... };
 215         secroots-file <quoted_string>;
 216         serial-queries <integer>; // obsolete
 217         serial-query-rate <integer>;
 218         serial-update-method ( increment | unixtime );
 219         server-id ( <quoted_string> | none | hostname );
 220         session-keyalg <string>;
 221         session-keyfile ( <quoted_string> | none );
 222         session-keyname <string>;
 223         sig-signing-nodes <integer>;
 224         sig-signing-signatures <integer>;
 225         sig-signing-type <integer>;
 226         sig-validity-interval <integer> [ <integer> ];
 227         sortlist { <address_match_element>; ... };
 228         stacksize <size>;
 229         statistics-file <quoted_string>;
 230         statistics-interval <integer>; // not yet implemented
 231         suppress-initial-notify <boolean>; // not yet implemented
 232         tcp-clients <integer>;
 233         tcp-listen-queue <integer>;
 234         tkey-dhkey <quoted_string> <integer>;
 235         tkey-domain <quoted_string>;
 236         tkey-gssapi-credential <quoted_string>;
 237         tkey-gssapi-keytab <quoted_string>;
 238         topology { <address_match_element>; ... }; // not implemented
 239         transfer-format ( many-answers | one-answer );
 240         transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ];
 241         transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ];
 242         transfers-in <integer>;
 243         transfers-out <integer>;
 244         transfers-per-ns <integer>;
 245         treat-cr-as-space <boolean>; // obsolete
 246         try-tcp-refresh <boolean>;
 247         update-check-ksk <boolean>;
 248         use-alt-transfer-source <boolean>;
 249         use-id-pool <boolean>; // obsolete
 250         use-ixfr <boolean>;
 251         use-queryport-pool <boolean>; // obsolete
 252         use-v4-udp-ports { <portrange>; ... };
 253         use-v6-udp-ports { <portrange>; ... };
 254         version ( <quoted_string> | none );
 255         zero-no-soa-ttl <boolean>;
 256         zero-no-soa-ttl-cache <boolean>;
 257         zone-statistics <zonestat>;
 258 };
 259
 260 server <netprefix> {
 261         bogus <boolean>;
 262         edns <boolean>;
 263         edns-udp-size <integer>;
 264         keys <server_key>;
 265         max-udp-size <integer>;
 266         notify-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ];
 267         notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ];
 268         provide-ixfr <boolean>;
 269         query-source <querysource4>;
 270         query-source-v6 <querysource6>;
 271         request-ixfr <boolean>;
 272         support-ixfr <boolean>; // obsolete
 273         transfer-format ( many-answers | one-answer );
 274         transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ];
 275         transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ];
 276         transfers <integer>;
 277 };
 278
 279 statistics-channels {
 280         inet ( <ipv4_address> | <ipv6_address> | * ) [ port ( <integer> | *
 281             ) ] [ allow { <address_match_element>; ... } ];
 282 };
 283
 284 trusted-keys { <string> <integer> <integer> <integer> <quoted_string>; ... };
 285
 286 view <string> <optional_class> {
 287         acache-cleaning-interval <integer>;
 288         acache-enable <boolean>;
 289         additional-from-auth <boolean>;
 290         additional-from-cache <boolean>;
 291         allow-new-zones <boolean>;
 292         allow-notify { <address_match_element>; ... };
 293         allow-query { <address_match_element>; ... };
 294         allow-query-cache { <address_match_element>; ... };
 295         allow-query-cache-on { <address_match_element>; ... };
 296         allow-query-on { <address_match_element>; ... };
 297         allow-recursion { <address_match_element>; ... };
 298         allow-recursion-on { <address_match_element>; ... };
 299         allow-transfer { <address_match_element>; ... };
 300         allow-update { <address_match_element>; ... };
 301         allow-update-forwarding { <address_match_element>; ... };
 302         allow-v6-synthesis { <address_match_element>; ... }; // obsolete
 303         also-notify [ port <integer> ] { ( <masters> | <ipv4_address> [
 304             port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key
 305             <string> ]; ... };
 306         alt-transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ];
 307         alt-transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> |
 308             * ) ];
 309         attach-cache <string>;
 310         auth-nxdomain <boolean>; // default changed
 311         auto-dnssec ( allow | maintain | off );
 312         cache-file <quoted_string>;
 313         check-dup-records ( fail | warn | ignore );
 314         check-integrity <boolean>;
 315         check-mx ( fail | warn | ignore );
 316         check-mx-cname ( fail | warn | ignore );
 317         check-names ( master | slave | response ) ( fail | warn | ignore );
 318         check-sibling <boolean>;
 319         check-spf ( warn | ignore );
 320         check-srv-cname ( fail | warn | ignore );
 321         check-wildcard <boolean>;
 322         cleaning-interval <integer>;
 323         clients-per-query <integer>;
 324         database <string>;
 325         deny-answer-addresses { <address_match_element>; ... } [
 326             except-from { <quoted_string>; ... } ];
 327         deny-answer-aliases { <quoted_string>; ... } [ except-from {
 328             <quoted_string>; ... } ];
 329         dialup <dialuptype>;
 330         disable-algorithms <string> { <string>; ... };
 331         disable-empty-zone <string>;
 332         dlz <string> {
 333                 database <string>;
 334         };
 335         dns64 <netprefix> {
 336                 break-dnssec <boolean>;
 337                 clients { <address_match_element>; ... };
 338                 exclude { <address_match_element>; ... };
 339                 mapped { <address_match_element>; ... };
 340                 recursive-only <boolean>;
 341                 suffix <ipv6_address>;
 342         };
 343         dns64-contact <string>;
 344         dns64-server <string>;
 345         dnssec-accept-expired <boolean>;
 346         dnssec-dnskey-kskonly <boolean>;
 347         dnssec-enable <boolean>;
 348         dnssec-loadkeys-interval <integer>;
 349         dnssec-lookaside ( <string> trust-anchor <string> | auto | no );
 350         dnssec-must-be-secure <string> <boolean>;
 351         dnssec-secure-to-insecure <boolean>;
 352         dnssec-update-mode ( maintain | no-resign );
 353         dnssec-validation ( yes | no | auto );
 354         dual-stack-servers [ port <integer> ] { ( <quoted_string> [ port
 355             <integer> ] | <ipv4_address> [ port <integer> ] |
 356             <ipv6_address> [ port <integer> ] ); ... };
 357         edns-udp-size <integer>;
 358         empty-contact <string>;
 359         empty-server <string>;
 360         empty-zones-enable <boolean>;
 361         fetch-glue <boolean>; // obsolete
 362         filter-aaaa { <address_match_element>; ... }; // not configured
 363         filter-aaaa-on-v4 <v4_aaaa>; // not configured
 364         forward ( first | only );
 365         forwarders [ port <integer> ] { ( <ipv4_address> | <ipv6_address> )
 366             [ port <integer> ]; ... };
 367         inline-signing <boolean>;
 368         ixfr-from-differences <ixfrdiff>;
 369         key <string> {
 370                 algorithm <string>;
 371                 secret <string>;
 372         };
 373         key-directory <quoted_string>;
 374         lame-ttl <integer>;
 375         maintain-ixfr-base <boolean>; // obsolete
 376         managed-keys { <string> <string> <integer> <integer> <integer>
 377             <quoted_string>; ... };
 378         masterfile-format ( text | raw );
 379         match-clients { <address_match_element>; ... };
 380         match-destinations { <address_match_element>; ... };
 381         match-recursive-only <boolean>;
 382         max-acache-size <size_no_default>;
 383         max-cache-size <size_no_default>;
 384         max-cache-ttl <integer>;
 385         max-clients-per-query <integer>;
 386         max-ixfr-log-size <size>; // obsolete
 387         max-journal-size <size_no_default>;
 388         max-ncache-ttl <integer>;
 389         max-refresh-time <integer>;
 390         max-retry-time <integer>;
 391         max-transfer-idle-in <integer>;
 392         max-transfer-idle-out <integer>;
 393         max-transfer-time-in <integer>;
 394         max-transfer-time-out <integer>;
 395         max-udp-size <integer>;
 396         min-refresh-time <integer>;
 397         min-retry-time <integer>;
 398         min-roots <integer>; // not implemented
 399         minimal-responses <boolean>;
 400         multi-master <boolean>;
 401         notify <notifytype>;
 402         notify-delay <integer>;
 403         notify-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ];
 404         notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ];
 405         notify-to-soa <boolean>;
 406         nsec3-test-zone <boolean>; // test only
 407         preferred-glue <string>;
 408         provide-ixfr <boolean>;
 409         query-source <querysource4>;
 410         query-source-v6 <querysource6>;
 411         queryport-pool-ports <integer>; // obsolete
 412         queryport-pool-updateinterval <integer>; // obsolete
 413         recursion <boolean>;
 414         request-ixfr <boolean>;
 415         request-ixfr <boolean>;
 416         request-nsid <boolean>;
 417         resolver-query-timeout <integer>;
 418         response-policy { zone <quoted_string> [ policy ( given | disabled
 419             | passthru | no-op | nxdomain | nodata | cname <quoted_string>
 420             ) ] [ recursive-only <boolean> ] [ max-policy-ttl <integer> ];
 421             ... } [ recursive-only <boolean> ] [ break-dnssec <boolean> ] [
 422             max-policy-ttl <integer> ] [ min-ns-dots <integer> ];
 423         rfc2308-type1 <boolean>; // not yet implemented
 424         root-delegation-only [ exclude { <quoted_string>; ... } ];
 425         rrset-order { [ class <string> ] [ type <string> ] [ name
 426             <quoted_string> ] <string> <string>; ... };
 427         serial-update-method ( increment | unixtime );
 428         server <netprefix> {
 429                 bogus <boolean>;
 430                 edns <boolean>;
 431                 edns-udp-size <integer>;
 432                 keys <server_key>;
 433                 max-udp-size <integer>;
 434                 notify-source ( <ipv4_address> | * ) [ port ( <integer> | *
 435                     ) ];
 436                 notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer>
 437                     | * ) ];
 438                 provide-ixfr <boolean>;
 439                 query-source <querysource4>;
 440                 query-source-v6 <querysource6>;
 441                 request-ixfr <boolean>;
 442                 support-ixfr <boolean>; // obsolete
 443                 transfer-format ( many-answers | one-answer );
 444                 transfer-source ( <ipv4_address> | * ) [ port ( <integer> |
 445                     * ) ];
 446                 transfer-source-v6 ( <ipv6_address> | * ) [ port (
 447                     <integer> | * ) ];
 448                 transfers <integer>;
 449         };
 450         sig-signing-nodes <integer>;
 451         sig-signing-signatures <integer>;
 452         sig-signing-type <integer>;
 453         sig-validity-interval <integer> [ <integer> ];
 454         sortlist { <address_match_element>; ... };
 455         suppress-initial-notify <boolean>; // not yet implemented
 456         topology { <address_match_element>; ... }; // not implemented
 457         transfer-format ( many-answers | one-answer );
 458         transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ];
 459         transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ];
 460         trusted-keys { <string> <integer> <integer> <integer>
 461             <quoted_string>; ... };
 462         try-tcp-refresh <boolean>;
 463         update-check-ksk <boolean>;
 464         use-alt-transfer-source <boolean>;
 465         use-queryport-pool <boolean>; // obsolete
 466         zero-no-soa-ttl <boolean>;
 467         zero-no-soa-ttl-cache <boolean>;
 468         zone <string> <optional_class> {
 469                 allow-notify { <address_match_element>; ... };
 470                 allow-query { <address_match_element>; ... };
 471                 allow-query-on { <address_match_element>; ... };
 472                 allow-transfer { <address_match_element>; ... };
 473                 allow-update { <address_match_element>; ... };
 474                 allow-update-forwarding { <address_match_element>; ... };
 475                 also-notify [ port <integer> ] { ( <masters> |
 476                     <ipv4_address> [ port <integer> ] | <ipv6_address> [
 477                     port <integer> ] ) [ key <string> ]; ... };
 478                 alt-transfer-source ( <ipv4_address> | * ) [ port (
 479                     <integer> | * ) ];
 480                 alt-transfer-source-v6 ( <ipv6_address> | * ) [ port (
 481                     <integer> | * ) ];
 482                 auto-dnssec ( allow | maintain | off );
 483                 check-dup-records ( fail | warn | ignore );
 484                 check-integrity <boolean>;
 485                 check-mx ( fail | warn | ignore );
 486                 check-mx-cname ( fail | warn | ignore );
 487                 check-names ( fail | warn | ignore );
 488                 check-sibling <boolean>;
 489                 check-spf ( warn | ignore );
 490                 check-srv-cname ( fail | warn | ignore );
 491                 check-wildcard <boolean>;
 492                 database <string>;
 493                 delegation-only <boolean>;
 494                 dialup <dialuptype>;
 495                 dnssec-dnskey-kskonly <boolean>;
 496                 dnssec-loadkeys-interval <integer>;
 497                 dnssec-secure-to-insecure <boolean>;
 498                 dnssec-update-mode ( maintain | no-resign );
 499                 file <quoted_string>;
 500                 forward ( first | only );
 501                 forwarders [ port <integer> ] { ( <ipv4_address> |
 502                     <ipv6_address> ) [ port <integer> ]; ... };
 503                 inline-signing <boolean>;
 504                 ixfr-base <quoted_string>; // obsolete
 505                 ixfr-from-differences <boolean>;
 506                 ixfr-tmp-file <quoted_string>; // obsolete
 507                 journal <quoted_string>;
 508                 key-directory <quoted_string>;
 509                 maintain-ixfr-base <boolean>; // obsolete
 510                 masterfile-format ( text | raw );
 511                 masters [ port <integer> ] { ( <masters> | <ipv4_address> [
 512                     port <integer> ] | <ipv6_address> [ port <integer> ] )
 513                     [ key <string> ]; ... };
 514                 max-ixfr-log-size <size>; // obsolete
 515                 max-journal-size <size_no_default>;
 516                 max-refresh-time <integer>;
 517                 max-retry-time <integer>;
 518                 max-transfer-idle-in <integer>;
 519                 max-transfer-idle-out <integer>;
 520                 max-transfer-time-in <integer>;
 521                 max-transfer-time-out <integer>;
 522                 min-refresh-time <integer>;
 523                 min-retry-time <integer>;
 524                 multi-master <boolean>;
 525                 notify <notifytype>;
 526                 notify-delay <integer>;
 527                 notify-source ( <ipv4_address> | * ) [ port ( <integer> | *
 528                     ) ];
 529                 notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer>
 530                     | * ) ];
 531                 notify-to-soa <boolean>;
 532                 nsec3-test-zone <boolean>; // test only
 533                 pubkey <integer> <integer> <integer>
 534                     <quoted_string>; // obsolete
 535                 request-ixfr <boolean>;
 536                 serial-update-method ( increment | unixtime );
 537                 server-addresses { ( <ipv4_address> | <ipv6_address> ) [
 538                     port <integer> ]; ... };
 539                 server-names { <quoted_string>; ... };
 540                 sig-signing-nodes <integer>;
 541                 sig-signing-signatures <integer>;
 542                 sig-signing-type <integer>;
 543                 sig-validity-interval <integer> [ <integer> ];
 544                 transfer-source ( <ipv4_address> | * ) [ port ( <integer> |
 545                     * ) ];
 546                 transfer-source-v6 ( <ipv6_address> | * ) [ port (
 547                     <integer> | * ) ];
 548                 try-tcp-refresh <boolean>;
 549                 type ( master | slave | stub | static-stub | hint | forward
 550                     | delegation-only | redirect );
 551                 update-check-ksk <boolean>;
 552                 update-policy ( local | { ( grant | deny ) <string> ( name
 553                     | subdomain | wildcard | self | selfsub | selfwild |
 554                     krb5-self | ms-self | krb5-subdomain | ms-subdomain |
 555                     tcp-self | 6to4-self | zonesub | external ) [ <string>
 556                     ] <rrtypelist>; ... };
 557                 use-alt-transfer-source <boolean>;
 558                 zero-no-soa-ttl <boolean>;
 559                 zone-statistics <zonestat>;
 560         };
 561         zone-statistics <zonestat>;
 562 };
 563
 564 zone <string> <optional_class> {
 565         allow-notify { <address_match_element>; ... };
 566         allow-query { <address_match_element>; ... };
 567         allow-query-on { <address_match_element>; ... };
 568         allow-transfer { <address_match_element>; ... };
 569         allow-update { <address_match_element>; ... };
 570         allow-update-forwarding { <address_match_element>; ... };
 571         also-notify [ port <integer> ] { ( <masters> | <ipv4_address> [
 572             port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key
 573             <string> ]; ... };
 574         alt-transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ];
 575         alt-transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> |
 576             * ) ];
 577         auto-dnssec ( allow | maintain | off );
 578         check-dup-records ( fail | warn | ignore );
 579         check-integrity <boolean>;
 580         check-mx ( fail | warn | ignore );
 581         check-mx-cname ( fail | warn | ignore );
 582         check-names ( fail | warn | ignore );
 583         check-sibling <boolean>;
 584         check-spf ( warn | ignore );
 585         check-srv-cname ( fail | warn | ignore );
 586         check-wildcard <boolean>;
 587         database <string>;
 588         delegation-only <boolean>;
 589         dialup <dialuptype>;
 590         dnssec-dnskey-kskonly <boolean>;
 591         dnssec-loadkeys-interval <integer>;
 592         dnssec-secure-to-insecure <boolean>;
 593         dnssec-update-mode ( maintain | no-resign );
 594         file <quoted_string>;
 595         forward ( first | only );
 596         forwarders [ port <integer> ] { ( <ipv4_address> | <ipv6_address> )
 597             [ port <integer> ]; ... };
 598         inline-signing <boolean>;
 599         ixfr-base <quoted_string>; // obsolete
 600         ixfr-from-differences <boolean>;
 601         ixfr-tmp-file <quoted_string>; // obsolete
 602         journal <quoted_string>;
 603         key-directory <quoted_string>;
 604         maintain-ixfr-base <boolean>; // obsolete
 605         masterfile-format ( text | raw );
 606         masters [ port <integer> ] { ( <masters> | <ipv4_address> [ port
 607             <integer> ] | <ipv6_address> [ port <integer> ] ) [ key
 608             <string> ]; ... };
 609         max-ixfr-log-size <size>; // obsolete
 610         max-journal-size <size_no_default>;
 611         max-refresh-time <integer>;
 612         max-retry-time <integer>;
 613         max-transfer-idle-in <integer>;
 614         max-transfer-idle-out <integer>;
 615         max-transfer-time-in <integer>;
 616         max-transfer-time-out <integer>;
 617         min-refresh-time <integer>;
 618         min-retry-time <integer>;
 619         multi-master <boolean>;
 620         notify <notifytype>;
 621         notify-delay <integer>;
 622         notify-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ];
 623         notify-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ];
 624         notify-to-soa <boolean>;
 625         nsec3-test-zone <boolean>; // test only
 626         pubkey <integer> <integer> <integer> <quoted_string>; // obsolete
 627         request-ixfr <boolean>;
 628         serial-update-method ( increment | unixtime );
 629         server-addresses { ( <ipv4_address> | <ipv6_address> ) [ port
 630             <integer> ]; ... };
 631         server-names { <quoted_string>; ... };
 632         sig-signing-nodes <integer>;
 633         sig-signing-signatures <integer>;
 634         sig-signing-type <integer>;
 635         sig-validity-interval <integer> [ <integer> ];
 636         transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ];
 637         transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ];
 638         try-tcp-refresh <boolean>;
 639         type ( master | slave | stub | static-stub | hint | forward |
 640             delegation-only | redirect );
 641         update-check-ksk <boolean>;
 642         update-policy ( local | { ( grant | deny ) <string> ( name |
 643             subdomain | wildcard | self | selfsub | selfwild | krb5-self |
 644             ms-self | krb5-subdomain | ms-subdomain | tcp-self | 6to4-self
 645             | zonesub | external ) [ <string> ] <rrtypelist>; ... };
 646         use-alt-transfer-source <boolean>;
 647         zero-no-soa-ttl <boolean>;
 648         zone-statistics <zonestat>;
 649 };
 650