$TTL    604800
@       IN      SOA     dav.lan. root.dav.lan. (
                              2         ; Serial
                         604800         ; Refresh
                          86400         ; Retry
                        2419200         ; Expire
                         604800 )       ; Negative Cache TTL

@       IN      NS      ns.
2       IN      PTR     ns.dav.lan.
3       IN      PTR     zidoo.dav.lan.
4       IN      PTR     voip.dav.lan.
5       IN      PTR     qnap.dav.lan.
6       IN      PTR     printserver.dav.lan.
7       IN      PTR     docker.dav.lan.
8       IN      PTR     dnas.dav.lan.
9       IN      PTR     pve.dav.lan.
10      IN      PTR     bastion.dav.lan.
12      IN      PTR     smarthome.dav.lan.
15      IN      PTR     syno.dav.lan.