Every .dk domain whose A record resolves to 72.66.23.129. 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 |
|---|---|---|
| 72.66.16.0/20 | 16.66.72.in-addr.arpa | ns5.verizon.net ns6.verizon.net ns7.verizon.net ns8.verizon.net |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.