File ini berisi SOA (start of authority) resource record, NS record, MX record dan CNAME record. Seluruh host dalam jaringan didefinisikan di sini.
$TTL 86400
@ IN SOA netcom.ut.astra.co.id. root.netcom.ut.astra.co.id. (
1997022700 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
IN NS netcom.ut.astra.co.id.
IN MX 10 netcom.ut.astra.co.id.
netcom IN A 10.2.6.5
www IN CNAME netcom
ftp IN CNAME netcom
mail IN CNAME netcom