$TTL 1200
@       IN      SOA     phrost.net.        graceful.phrost.net. (
                        2007030200
                        3600
                        1200
                        3600000
                        86400 )

@       IN      NS      ns1.phrost.net.


74      IN      PTR     ns1.phrost.net.
74      IN      PTR     ns2.phrost.net.