$TTL 3D @ IN SOA test. root.test. ( 199609203 ; Serial 28800 ; Refresh 7200 ; Retry 604800 ; Expire 86400) ; Minimum TTL NS test.test. test IN A 127.0.0.1 * IN MX 10 test * IN MX 20 test2 * IN AAAA ::1 test2 IN CNAME test