Every .dk domain whose A record resolves to 81.19.99.227. 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 |
|---|---|---|
| 81.19.96.0/21 | 96.19.81.in-addr.arpa | auth21.ns.gin.ntt.net auth22.ns.gin.ntt.net auth23.ns.gin.ntt.net auth24.ns.gin.ntt.net auth25.ns.gin.ntt.net |
The zone shown is the most specific level that answers an NS query, so a classless delegation may report its parent.