Every .dk domain whose A record resolves to 88.131.7.138. 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 |
|---|---|---|
| 88.131.0.0/16 | 131.88.in-addr.arpa | a.dns.tele2.net b.dns.tele2.net c.dns.tele2.net |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.