$TTL 86400
@                     IN     SOA    server.bburn.com.  (
                   200511271     ; Serial no., based on date
                        21600     ; Refresh after 6 hours
                         3600     ; Retry after 1 hour
                       604800     ; Expire after 7 days
                         3600)    ; Minimum TTL of 1 hour
1	IN     PTR     gw
254	IN     PTR     server
@	IN     NS      server