$TTL 86400

domain.com. IN SOA ns1.domain.com. root.domain.com. 2005102701 28800 7200 864000 86400
domain.com. IN NS ns1
domain.com. IN MX 10 mail.domain.com.

domain.com. IN A 192.168.0.21
localhost.domain.com. IN A 127.0.0.1
durance.domain.com. IN A 192.168.0.21 
atlas.domain.com. IN A 192.168.0.11
vega.domain.com. IN A 192.168.0.12
www.domain.com. IN      CNAME       durance.domain.com.
mail.domain.com. IN      A           192.168.0.21
ns1.domain.com. IN      CNAME       durance.domain.com.