; ; @(#)named.local 1.1 (Berkeley) 86/01/21 ; @ IN SOA ns.rob.nocat. root.nocat.net. ( 1 ; Serial 21600 ; Refresh 3600 ; Retry 3600000 ; Expire 14400 ) ; Minimum IN NS ns.rob.nocat. 0 IN PTR loopback. 1 IN PTR localhost.