Every .dk domain whose A record resolves to 45.9.222.139. 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 |
|---|---|---|
| 45.9.220.0/22 | 220.9.45.in-addr.arpa | dns1.at-fiber.at dns2.at-fiber.at |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.