1zone <string> [ <class> ] { 2 type stub; 3 allow-query { <address_match_element>; ... }; 4 allow-query-on { <address_match_element>; ... }; 5 check-names ( fail | warn | ignore ); 6 database <string>; 7 delegation-only <boolean>; 8 dialup ( notify | notify-passive | passive | refresh | <boolean> ); 9 file <quoted_string>; 10 forward ( first | only ); 11 forwarders [ port <integer> ] [ dscp <integer> ] { ( <ipv4_address> | <ipv6_address> ) [ port <integer> ] [ dscp <integer> ]; ... }; 12 masterfile-format ( map | raw | text ); 13 masterfile-style ( full | relative ); 14 masters [ port <integer> ] [ dscp <integer> ] { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... }; 15 max-records <integer>; 16 max-refresh-time <integer>; 17 max-retry-time <integer>; 18 max-transfer-idle-in <integer>; 19 max-transfer-time-in <integer>; 20 min-refresh-time <integer>; 21 min-retry-time <integer>; 22 multi-master <boolean>; 23 primaries [ port <integer> ] [ dscp <integer> ] { ( <remote-servers> | <ipv4_address> [ port <integer> ] | <ipv6_address> [ port <integer> ] ) [ key <string> ]; ... }; 24 transfer-source ( <ipv4_address> | * ) [ port ( <integer> | * ) ] [ dscp <integer> ]; 25 transfer-source-v6 ( <ipv6_address> | * ) [ port ( <integer> | * ) ] [ dscp <integer> ]; 26 use-alt-transfer-source <boolean>; 27 zone-statistics ( full | terse | none | <boolean> ); 28}; 29