Every .dk domain hosted inside the network 156.54.136.0/21, 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 |
|---|---|---|
| 156.54.136.0/21 | 54.156.in-addr.arpa | dns4.interbusiness.it dns5.interbusiness.it |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.