Every .dk domain whose A record resolves to 23.227.38.73. 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 |
|---|---|---|
| 23.227.38.0/23 | 38.227.23.in-addr.arpa | blue.foundationdns.com blue.foundationdns.net blue.foundationdns.org |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.