$TTL	86400
@       IN      SOA     myserver.mydomain.net. root.myserver.mydomain.net.  (
                                      1997022701 ; Serial
                                      28800      ; Refresh
                                      14400      ; Retry
                                      3600000    ; Expire
                                      86400 )    ; Minimum
              IN      NS      myserver.mydomain.net.

1       IN      PTR     localhost.