Every .dk domain whose A record resolves to 18.173.5.46. 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 |
|---|---|---|
| 18.173.0.0/21 | 173.18.in-addr.arpa | pdns1.ultradns.net x1.amazonaws.com x2.amazonaws.com x3.amazonaws.org x4.amazonaws.org |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.