Every .dk domain whose A record resolves to 91.206.237.19. Shared-hosting servers often carry hundreds of sites on one address; this reverse IP lookup shows exactly which .dk names share it. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.
| CIDR | Reverse zone | Nameservers |
|---|---|---|
| 91.206.236.0/23 | 236.206.91.in-addr.arpa | dns.dorn.at office.dorn.at |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.