Every .dk domain hosted by Tdc Holding A/s, with the provider's IPv6 and DNSSEC adoption and the network prefixes its customers' sites live in. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.
Tdc Holding A/s (Denmark) currently hosts 13,322 .dk domains in our dataset — 1.02% of all scanned .dk domains. Across all our scans we have observed 4,838 unique IPv4 addresses on this provider's networks, and the domains currently sit in 116 IPv4 CIDR blocks covering roughly 5.2 million addresses of IPv4 space.
IPv6 is live here too: 41 domains (0.3%) publish AAAA records from this provider, resolving to 36 unique IPv6 addresses across 1 prefix (about 34.4 billion /64 networks of space).
On the security side, 8,576 of the domains hosted here (64.4%) validate as DNSSEC-secure — below the zone-wide average for domains with a web address, 70.5%. See how this provider's networks compare on the ASN statistics page, or drill into the CIDR list below the results.
| CIDR | Domains |
|---|---|
| 195.249.0.0/16 | 1,349 |
| 87.48.0.0/13 | 1,327 |
| 83.94.96.0/19 | 826 |
| 87.62.0.0/15 | 788 |
| 80.62.0.0/15 | 725 |
| 80.160.0.0/13 | 623 |
| 80.196.0.0/14 | 543 |
| 93.160.0.0/14 | 487 |
| 188.176.0.0/13 | 484 |
| 193.32.65.0/24 | 480 |
| 193.88.0.0/15 | 407 |
| 2.104.0.0/14 | 391 |
| 195.215.0.0/16 | 371 |
| 62.242.0.0/15 | 346 |
| 83.89.0.0/16 | 275 |
| 87.61.0.0/17 | 270 |
| 87.57.0.0/16 | 232 |
| 194.239.0.0/16 | 201 |
| 83.90.0.0/15 | 193 |
| 194.192.0.0/16 | 172 |
| 195.41.0.0/16 | 170 |
| 93.165.128.0/17 | 167 |
| 212.130.0.0/16 | 157 |
| 93.166.0.0/15 | 150 |
| 93.164.160.0/19 | 135 |
| 128.76.128.0/17 | 134 |
| 95.166.128.0/17 | 131 |
| 2.108.0.0/15 | 106 |
| 87.59.0.0/16 | 104 |
| 176.22.0.0/17 | 93 |
| 5.44.136.0/21 | 93 |
| 193.162.110.0/23 | 88 |
| 87.60.0.0/16 | 72 |
| 94.189.0.0/17 | 72 |
| 147.29.150.0/23 | 66 |
| 92.43.176.0/21 | 62 |
| 195.184.32.0/19 | 60 |
| 176.20.0.0/17 | 57 |
| 176.21.0.0/16 | 57 |
| 193.41.12.0/23 | 50 |
| 83.92.0.0/16 | 49 |
| 87.56.32.0/19 | 48 |
| 176.23.0.0/17 | 41 |
| 2001:6c8:0:0:0:0:0:0/29 | 40 |
| 83.93.0.0/17 | 38 |
| 176.20.224.0/19 | 36 |
| 93.164.0.0/17 | 35 |
| 83.88.192.0/18 | 34 |
| 131.164.0.0/16 | 32 |
| 2.111.0.0/16 | 30 |