    zone string [ class ] {
    	type static-stub;
    	allow-query { address_match_element; ... };
    	allow-query-on { address_match_element; ... };
    	forward ( first | only );
    	forwarders [ port integer ] [ dscp integer ] { ( ipv4_address | ipv6_address ) [ port integer ] [ dscp integer ]; ... };
    	max-records integer;
    	server-addresses { ( ipv4_address | ipv6_address ); ... };
    	server-names { string; ... };
    	zone-statistics ( full | terse | none | boolean );
    };