Every .dk domain whose A record resolves to 178.72.16.53. 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 |
|---|---|---|
| 178.72.16.0/21 | 16.72.178.in-addr.arpa | ns1-01.azure-dns.com ns2-01.azure-dns.net ns3-01.azure-dns.org ns4-01.azure-dns.info |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.