Every .dk domain whose A record resolves to 213.171.135.166. 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 |
|---|---|---|
| 213.171.128.0/19 | 128.171.213.in-addr.arpa | ns4.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.