$TTL    604800
@       IN      SOA      (
                        ns.party.lan.                   ; MNAME Record
                        admin.party.lan.                ; Mail von DNS Admin
                        2017022001                      ; Serial
                        604800                          ; Refresh
                        86400                           ; Retry
                        2419200                         ; Expire
                        604800 )                        ; Negative Cache TTL

; name servers – NS record
@       IN      NS      ns.party.lan.

; 192.168.210.0/24 - PTR records
1       IN      PTR     serv.party.lan.
1       IN      PTR     www.party.lan.