This page lists every .dk domain whose delegation includes the nameserver arin.authdns.ripe.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 |
|---|---|---|---|
| 45.in-addr.arpa | 45.0.0.0/8 | 135 | 2026-10-16 |
| 199.in-addr.arpa | 199.0.0.0/8 | 24 | 2026-10-16 |
| 147.in-addr.arpa | 147.0.0.0/8 | 22 | 2026-10-16 |
| 74.in-addr.arpa | 74.0.0.0/8 | 18 | 2026-10-16 |
| 66.in-addr.arpa | 66.0.0.0/8 | 15 | 2026-10-16 |
| 104.in-addr.arpa | 104.0.0.0/8 | 11 | 2026-10-16 |
| 198.in-addr.arpa | 198.0.0.0/8 | 9 | 2026-10-16 |
| 146.in-addr.arpa | 146.0.0.0/8 | 8 | 2026-10-16 |
| 192.in-addr.arpa | 192.0.0.0/8 | 7 | 2026-10-15 |
| 69.in-addr.arpa | 69.0.0.0/8 | 7 | 2026-10-16 |
| 23.in-addr.arpa | 23.0.0.0/8 | 6 | 2026-10-16 |
| 67.in-addr.arpa | 67.0.0.0/8 | 6 | 2026-10-16 |
| 72.in-addr.arpa | 72.0.0.0/8 | 6 | 2026-10-16 |
| 157.in-addr.arpa | 157.0.0.0/8 | 5 | 2026-10-12 |
| 216.in-addr.arpa | 216.0.0.0/8 | 5 | 2026-10-16 |
| 64.in-addr.arpa | 64.0.0.0/8 | 5 | 2026-10-15 |
| 76.in-addr.arpa | 76.0.0.0/8 | 5 | 2026-10-16 |
| 136.in-addr.arpa | 136.0.0.0/8 | 4 | 2026-10-09 |
| 159.in-addr.arpa | 159.0.0.0/8 | 4 | 2026-10-16 |
| 161.in-addr.arpa | 161.0.0.0/8 | 4 | 2026-10-16 |
| 162.in-addr.arpa | 162.0.0.0/8 | 4 | 2026-10-14 |
| 207.in-addr.arpa | 207.0.0.0/8 | 4 | 2026-10-10 |
| 34.in-addr.arpa | 34.0.0.0/8 | 4 | 2026-10-16 |
| 107.in-addr.arpa | 107.0.0.0/8 | 3 | 2026-10-15 |
| 129.in-addr.arpa | 129.0.0.0/8 | 3 | 2026-10-16 |
| 148.in-addr.arpa | 148.0.0.0/8 | 3 | 2026-10-11 |
| 149.in-addr.arpa | 149.0.0.0/8 | 3 | 2026-10-15 |
| 15.in-addr.arpa | 15.0.0.0/8 | 3 | 2026-10-16 |
| 156.in-addr.arpa | 156.0.0.0/8 | 3 | 2026-10-16 |
| 16.in-addr.arpa | 16.0.0.0/8 | 3 | 2026-10-15 |
| 172.in-addr.arpa | 172.0.0.0/8 | 3 | 2026-10-14 |
| 18.in-addr.arpa | 18.0.0.0/8 | 3 | 2026-10-15 |
| 208.in-addr.arpa | 208.0.0.0/8 | 3 | 2026-10-14 |
| 209.in-addr.arpa | 209.0.0.0/8 | 3 | 2026-10-11 |
| 128.in-addr.arpa | 128.0.0.0/8 | 2 | 2026-10-16 |
| 140.in-addr.arpa | 140.0.0.0/8 | 2 | 2026-10-13 |
| 144.in-addr.arpa | 144.0.0.0/8 | 2 | 2026-10-16 |
| 158.in-addr.arpa | 158.0.0.0/8 | 2 | 2026-10-16 |
| 165.in-addr.arpa | 165.0.0.0/8 | 2 | 2026-10-13 |
| 170.in-addr.arpa | 170.0.0.0/8 | 2 | 2026-10-11 |
| 204.in-addr.arpa | 204.0.0.0/8 | 2 | 2026-10-11 |
| 108.in-addr.arpa | 108.0.0.0/8 | 1 | 2026-10-14 |
| 130.in-addr.arpa | 130.0.0.0/8 | 1 | 2026-10-09 |
| 134.in-addr.arpa | 134.0.0.0/8 | 1 | 2026-10-09 |
| 138.in-addr.arpa | 138.0.0.0/8 | 1 | 2026-10-11 |
| 152.in-addr.arpa | 152.0.0.0/8 | 1 | 2026-10-16 |
| 155.in-addr.arpa | 155.0.0.0/8 | 1 | 2026-10-09 |
| 160.in-addr.arpa | 160.0.0.0/8 | 1 | 2026-10-03 |
| 164.in-addr.arpa | 164.0.0.0/8 | 1 | 2026-10-16 |
| 167.in-addr.arpa | 167.0.0.0/8 | 1 | 2026-10-11 |
| 173.in-addr.arpa | 173.0.0.0/8 | 1 | 2026-10-11 |
| 184.in-addr.arpa | 184.0.0.0/8 | 1 | 2026-10-10 |
| 3.in-addr.arpa | 3.0.0.0/8 | 1 | 2026-10-10 |
| 48.in-addr.arpa | 48.0.0.0/8 | 1 | 2026-10-09 |
| 50.in-addr.arpa | 50.0.0.0/8 | 1 | 2026-10-13 |
| 63.in-addr.arpa | 63.0.0.0/8 | 1 | 2026-10-14 |
| 71.in-addr.arpa | 71.0.0.0/8 | 1 | 2026-10-15 |
in-addr.arpa / ip6.arpa zones delegated to arin.authdns.ripe.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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