Every .dk domain whose A record resolves to 88.151.42.166. 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 |
|---|---|---|
| 88.151.42.0/24 | 42.151.88.in-addr.arpa | ns0.authdns.co.uk ns1.authdns.co.uk ns2.authdns.co.uk ns3.authdns.co.uk ns4.authdns.co.uk |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.