1; Be sure that the serial number below is left 2; justified in a field of at least 10 chars!! 3; 0123456789; 4; It's also possible to use the date form e.g. 2005040101 5@ IN SOA ns1.example.de. hostmaster.example.de. ( 6 267 ; Serial 7 43200 ; Refresh 8 1800 ; Retry 9 2W ; Expire 10 7200 ) ; Minimum 11