Every .dk domain whose A record resolves to 23.106.66.81. 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 |
|---|---|---|
| 23.106.64.0/20 | 64.106.23.in-addr.arpa | ns1.leaseweb.nl ns4.leaseweb.net ns5.leaseweb.nl |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.