Every .dk domain whose A record resolves to 161.221.74.213. Shared-hosting servers often carry hundreds of sites on one address; this reverse IP lookup shows exactly which .dk names share it. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.
| CIDR | Reverse zone | Nameservers |
|---|---|---|
| 161.221.74.0/23 | 221.161.in-addr.arpa | mail9th1.barnesandnoble.com ns2.barnesandnoble.com ns3.barnesandnoble.com ns4.barnesandnoble.com |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.