Every .dk domain hosted inside the network 31.172.88.0/21, with the address, ASN and provider of each. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.
| CIDR | Reverse zone | Nameservers |
|---|---|---|
| 31.172.88.0/21 | 88.172.31.in-addr.arpa | ns1.first-colo.net ns2.first-colo.net |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.