Every .dk domain hosted inside the network 193.81.64.0/18, 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 |
|---|---|---|
| 193.81.64.0/18 | 64.81.193.in-addr.arpa | dns4.a1.net dns5.a1.net |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.