Every .dk domain hosted inside the network 134.90.144.0/21, 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 |
|---|---|---|
| 134.90.144.0/21 | 144.90.134.in-addr.arpa | ns1.optical.no srv.vert.no |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.