Every .dk domain whose A record resolves to 86.48.72.41. 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 |
|---|---|---|
| 86.48.72.0/21 | 72.48.86.in-addr.arpa | dns1.sentia.dk dns2.sentia.dk dns3.sentia.dk |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.