Every .dk domain whose A record resolves to 5.181.49.89. 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 |
|---|---|---|
| 5.181.48.0/22 | 48.181.5.in-addr.arpa | root-dns.netcup.net second-dns.netcup.net third-dns.netcup.net |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.