This page lists every .dk domain whose delegation includes the nameserver ns2.rdns.cldin.eu, together with its IP addresses, network, zone-transfer and ANY-query behaviour, the protocols and RFCs it supports (TCP, EDNS, cookies, NSID, DNS over TLS/HTTPS …), the nameserver sets it is used in and how fast those sets answer. Use it to size a DNS provider, audit a migration or find domains still pointing at an old server. Data comes from our own scanners, which re-resolve every .dk domain in the zone roughly once a week.
Not probed yet. This nameserver is queued; the probe runs in the background and the result usually shows here within a few minutes.
| Reverse zone | Prefix | Prefixes | Checked |
|---|---|---|---|
| 0.0.0.0.0.8.2.7.b.0.a.2.ip6.arpa | 2a0b:7280::/48 | 1 | 2026-10-09 |
| 0.0.2.0.0.1.f.0.0.0.a.2.ip6.arpa | 2a00:f10:200::/48 | 1 | 2026-10-13 |
| 10.131.145.in-addr.arpa | 145.131.10.0/24 | 1 | 2026-10-16 |
| 106.198.91.in-addr.arpa | 91.198.106.0/24 | 1 | 2026-10-13 |
| 128.99.79.in-addr.arpa | 79.99.128.0/24 | 1 | 2026-10-16 |
| 130.99.79.in-addr.arpa | 79.99.130.0/24 | 1 | 2026-10-16 |
| 131.99.79.in-addr.arpa | 79.99.131.0/24 | 1 | 2026-10-16 |
| 168.63.92.in-addr.arpa | 92.63.168.0/24 | 1 | 2026-10-16 |
| 172.63.92.in-addr.arpa | 92.63.172.0/24 | 1 | 2026-10-16 |
| 174.63.92.in-addr.arpa | 92.63.174.0/24 | 1 | 2026-10-16 |
| 184.87.185.in-addr.arpa | 185.87.184.0/24 | 1 | 2026-10-14 |
| 187.87.185.in-addr.arpa | 185.87.187.0/24 | 1 | 2026-10-16 |
| 212.107.185.in-addr.arpa | 185.107.212.0/24 | 1 | 2026-10-16 |
| 216.109.185.in-addr.arpa | 185.109.216.0/24 | 1 | 2026-10-16 |
| 230.94.185.in-addr.arpa | 185.94.230.0/24 | 1 | 2026-10-14 |
| 240.103.185.in-addr.arpa | 185.103.240.0/24 | 1 | 2026-10-16 |
| 248.221.62.in-addr.arpa | 62.221.248.0/24 | 1 | 2026-10-16 |
| 248.232.185.in-addr.arpa | 185.232.248.0/24 | 1 | 2026-10-15 |
| 249.232.185.in-addr.arpa | 185.232.249.0/24 | 1 | 2026-10-16 |
| 250.232.185.in-addr.arpa | 185.232.250.0/24 | 1 | 2026-10-16 |
| 251.221.62.in-addr.arpa | 62.221.251.0/24 | 1 | 2026-10-16 |
| 251.232.185.in-addr.arpa | 185.232.251.0/24 | 1 | 2026-10-16 |
| 56.182.185.in-addr.arpa | 185.182.56.0/24 | 1 | 2026-10-14 |
| 58.117.176.in-addr.arpa | 176.117.58.0/24 | 1 | 2026-10-16 |
| 58.182.185.in-addr.arpa | 185.182.58.0/24 | 1 | 2026-10-16 |
| 59.182.185.in-addr.arpa | 185.182.59.0/24 | 1 | 2026-10-16 |
| 80.72.109.in-addr.arpa | 109.72.80.0/24 | 1 | 2026-10-07 |
| 85.72.109.in-addr.arpa | 109.72.85.0/24 | 1 | 2026-10-16 |
| 87.72.109.in-addr.arpa | 109.72.87.0/24 | 1 | 2026-10-16 |
in-addr.arpa / ip6.arpa zones delegated to ns2.rdns.cldin.eu, found from the SOA of the reverse name of each IPv4 /24 behind the zone's websites (and any CIDR page viewed), so the zone is the real delegation point, at whatever prefix length it sits. A /24 whose reverse delegation is broken (SERVFAIL) is not credited to anyone.
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