Every .dk domain whose A record resolves to 178.21.23.229. 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 |
|---|---|---|
| 178.21.16.0/21 | 16.21.178.in-addr.arpa | ns1.serverius.net ns2.serverius.nl ns3.serverius.eu |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.