$TTL    86400
@       IN      SOA     sen.zive.net.  root.sen.zive.net.(
                                      2004071401 ; Serial
                                      28800      ; Refresh
                                      14400      ; Retry
                                      3600000    ; Expire
                                      86400 )    ; Minimum
              IN      NS      sen.zive.net.
              IN      MX 10   sen.zive.net.
16            IN      PTR     sn.sen.zive.net.
17             IN      PTR     vd.sen.zive.net.