Every .dk domain whose A record resolves to 188.64.57.13. 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 |
|---|---|---|
| 188.64.56.0/21 | 56.64.188.in-addr.arpa | ns.internet1.de ns2.internet1.de |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.