Every .dk domain hosted inside the network 91.199.121.0/24, 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 |
|---|---|---|
| 91.199.121.0/24 | 121.199.91.in-addr.arpa | pdns109.ultradns.biz pdns109.ultradns.com pdns109.ultradns.net pdns109.ultradns.org |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.