Every .dk domain whose A record resolves to 185.4.72.209. 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 |
|---|---|---|
| 185.4.72.0/22 | 72.4.185.in-addr.arpa | dns.fastdns24.com dns2.fastdns24.org dns3.fastdns24.eu dns4.fastdns24.link |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.