Every .dk domain whose A record resolves to 176.221.49.237. 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 |
|---|---|---|
| 176.221.48.0/21 | 48.221.176.in-addr.arpa | ns1.criticalcase.com ns2.criticalcase.com ns3.criticalcase.com |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.