Every .dk domain hosted inside the network 156.154.110.0/23, 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 |
|---|---|---|
| 156.154.110.0/23 | 110.154.156.in-addr.arpa | pdns1.ultradns.net pdns2.ultradns.net pdns3.ultradns.org pdns4.ultradns.org pdns5.ultradns.info pdns6.ultradns.co.uk |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.