Every .dk domain whose A record resolves to 37.221.228.131. 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 |
|---|---|---|
| 37.221.224.0/21 | 224.221.37.in-addr.arpa | ahmlmdns01.addpro.se ahmlmdns02.addpro.se apdns1.addpro.se apdns2.addpro.se |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.