$TTL 86400
@           IN    SOA   ns1.hosso.com. root.hosso.com. (
                                     2005032100   ; serial
                                     43200        ; refresh
                                     7200         ; retry
                                     1209600      ; expiry
                                     604800 )     ; minimum

             IN      NS    ns1.hosso.com.

1            IN      PTR   ns1.hosso.com.
1            IN      PTR   hosso.com.