Every .dk domain whose A record resolves to 5.57.42.159. 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 |
|---|---|---|
| 5.57.40.0/21 | 40.57.5.in-addr.arpa | ns11.planetary-networks.de ns12.planetary-networks.eu ns13.planetary-networks.com ns14.planetary-networks.net |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.