This page lists every .dk domain whose delegation includes the nameserver nsa.online.net, 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 |
|---|---|---|---|
| 0.129.212.in-addr.arpa | 212.129.0.0/24 | 1 | 2026-10-07 |
| 0.15.51.in-addr.arpa | 51.15.0.0/24 | 1 | 2026-10-16 |
| 0.154.195.in-addr.arpa | 195.154.0.0/24 | 1 | 2026-10-12 |
| 0.172.163.in-addr.arpa | 163.172.0.0/24 | 1 | 2026-10-13 |
| 0.210.62.in-addr.arpa | 62.210.0.0/24 | 1 | 2026-10-10 |
| 1.159.51.in-addr.arpa | 51.159.1.0/24 | 1 | 2026-10-16 |
| 101.172.163.in-addr.arpa | 163.172.101.0/24 | 1 | 2026-10-16 |
| 111.210.62.in-addr.arpa | 62.210.111.0/24 | 1 | 2026-10-15 |
| 113.154.195.in-addr.arpa | 195.154.113.0/24 | 1 | 2026-10-09 |
| 115.151.in-addr.arpa | 151.115.0.0/16 | 1 | 2026-10-09 |
| 128.83.212.in-addr.arpa | 212.83.128.0/24 | 1 | 2026-10-04 |
| 134.154.195.in-addr.arpa | 195.154.134.0/24 | 1 | 2026-10-16 |
| 135.83.212.in-addr.arpa | 212.83.135.0/24 | 1 | 2026-10-16 |
| 137.83.212.in-addr.arpa | 212.83.137.0/24 | 1 | 2026-10-16 |
| 140.83.212.in-addr.arpa | 212.83.140.0/24 | 1 | 2026-10-16 |
| 147.83.212.in-addr.arpa | 212.83.147.0/24 | 1 | 2026-10-16 |
| 152.15.51.in-addr.arpa | 51.15.152.0/24 | 1 | 2026-10-09 |
| 153.15.51.in-addr.arpa | 51.15.153.0/24 | 1 | 2026-10-09 |
| 157.158.51.in-addr.arpa | 51.158.157.0/24 | 1 | 2026-10-16 |
| 158.51.in-addr.arpa | 51.158.0.0/16 | 1 | 2026-10-16 |
| 16.15.51.in-addr.arpa | 51.15.16.0/24 | 1 | 2026-10-16 |
| 174.154.195.in-addr.arpa | 195.154.174.0/24 | 1 | 2026-10-16 |
| 180.83.212.in-addr.arpa | 212.83.180.0/24 | 1 | 2026-10-09 |
| 208.154.195.in-addr.arpa | 195.154.208.0/24 | 1 | 2026-10-16 |
| 208.210.62.in-addr.arpa | 62.210.208.0/24 | 1 | 2026-10-16 |
| 210.154.195.in-addr.arpa | 195.154.210.0/24 | 1 | 2026-10-16 |
| 215.172.163.in-addr.arpa | 163.172.215.0/24 | 1 | 2026-10-16 |
| 217.210.62.in-addr.arpa | 62.210.217.0/24 | 1 | 2026-10-16 |
| 22.15.51.in-addr.arpa | 51.15.22.0/24 | 1 | 2026-10-16 |
| 221.172.163.in-addr.arpa | 163.172.221.0/24 | 1 | 2026-10-16 |
| 224.47.212.in-addr.arpa | 212.47.224.0/24 | 1 | 2026-10-05 |
| 235.47.212.in-addr.arpa | 212.47.235.0/24 | 1 | 2026-10-16 |
| 239.47.212.in-addr.arpa | 212.47.239.0/24 | 1 | 2026-10-09 |
| 243.47.212.in-addr.arpa | 212.47.243.0/24 | 1 | 2026-10-16 |
| 244.47.212.in-addr.arpa | 212.47.244.0/24 | 1 | 2026-10-09 |
| 246.210.62.in-addr.arpa | 62.210.246.0/24 | 1 | 2026-10-16 |
| 25.210.62.in-addr.arpa | 62.210.25.0/24 | 1 | 2026-10-16 |
| 254.154.195.in-addr.arpa | 195.154.254.0/24 | 1 | 2026-10-16 |
| 3.129.212.in-addr.arpa | 212.129.3.0/24 | 1 | 2026-10-16 |
| 36.210.62.in-addr.arpa | 62.210.36.0/24 | 1 | 2026-10-16 |
| 39.159.51.in-addr.arpa | 51.159.39.0/24 | 1 | 2026-10-16 |
| 42.129.212.in-addr.arpa | 212.129.42.0/24 | 1 | 2026-10-16 |
| 43.154.195.in-addr.arpa | 195.154.43.0/24 | 1 | 2026-10-16 |
| 44.129.212.in-addr.arpa | 212.129.44.0/24 | 1 | 2026-10-16 |
| 54.172.163.in-addr.arpa | 163.172.54.0/24 | 1 | 2026-10-16 |
| 58.172.163.in-addr.arpa | 163.172.58.0/24 | 1 | 2026-10-16 |
| 67.159.51.in-addr.arpa | 51.159.67.0/24 | 1 | 2026-10-09 |
| 69.210.62.in-addr.arpa | 62.210.69.0/24 | 1 | 2026-10-09 |
| 78.154.195.in-addr.arpa | 195.154.78.0/24 | 1 | 2026-10-16 |
| 78.210.62.in-addr.arpa | 62.210.78.0/24 | 1 | 2026-10-09 |
| 9.129.212.in-addr.arpa | 212.129.9.0/24 | 1 | 2026-10-16 |
in-addr.arpa / ip6.arpa zones delegated to nsa.online.net, 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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