Every .dk domain whose A record resolves to 5.100.229.64. 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 |
|---|---|---|
| 5.100.228.0/23 | 228.100.5.in-addr.arpa | ns4.sentia.nl ns5.sentia.nl ns6.sentia.net ns7.sentia.net |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.