Every .dk domain whose A record resolves to 151.252.41.138. 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 |
|---|---|---|
| 151.252.40.0/21 | 40.252.151.in-addr.arpa | dns7.syseleven.de dns8.syseleven.de dns9.syseleven.de |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.