$ttl 10800
@ IN SOA ns1.c2mcs.net. c2mcs.net. (
        UNIQUE_NUMBER_FOR_EVERY_UPDATE ; Serial
        10800 ; Refresh after 3 hours
        3600 ; Retry after 1 hour
        604800 ; Expire after 1 week
        10800 ; Minimum TTL of 1 day
)

;nameservers
    IN NS ns1.c2mcs.net.
    IN NS ns2.c2mcs.net.
ns1 IN A NS1_IP_HERE
ns2 IN A NS2_IP_HERE

;basic
@                              IN A SOME_IP
www                            IN A SOME_IP

;everything else
2dumsmchut                    1800 IN A SOME_IP