This page lists every .dk domain whose delegation includes the nameserver apnic.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 |
|---|---|---|---|
| 103.in-addr.arpa | 103.0.0.0/8 | 10 | 2026-10-16 |
| 153.in-addr.arpa | 153.0.0.0/8 | 4 | 2026-10-16 |
| 1.in-addr.arpa | 1.0.0.0/8 | 3 | 2026-10-16 |
| 43.in-addr.arpa | 43.0.0.0/8 | 3 | 2026-10-16 |
| 119.in-addr.arpa | 119.0.0.0/8 | 2 | 2026-10-16 |
| 171.in-addr.arpa | 171.0.0.0/8 | 2 | 2026-10-16 |
| 116.in-addr.arpa | 116.0.0.0/8 | 1 | 2026-10-11 |
| 117.in-addr.arpa | 117.0.0.0/8 | 1 | 2026-10-16 |
| 14.in-addr.arpa | 14.0.0.0/8 | 1 | 2026-10-14 |
| 163.in-addr.arpa | 163.0.0.0/8 | 1 | 2026-10-14 |
| 182.in-addr.arpa | 182.0.0.0/8 | 1 | 2026-10-09 |
| 183.in-addr.arpa | 183.0.0.0/8 | 1 | 2026-10-11 |
| 203.in-addr.arpa | 203.0.0.0/8 | 1 | 2026-10-11 |
| 27.in-addr.arpa | 27.0.0.0/8 | 1 | 2026-10-16 |
in-addr.arpa / ip6.arpa zones delegated to apnic.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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