This page lists every .dk domain whose delegation includes the nameserver rdns2.twinservers.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 |
|---|---|---|---|
| 156.94.45.in-addr.arpa | 45.94.156.0/24 | 1 | 2026-10-09 |
| 159.94.45.in-addr.arpa | 45.94.159.0/24 | 1 | 2026-10-16 |
| 16.131.31.in-addr.arpa | 31.131.16.0/24 | 1 | 2026-10-14 |
| 192.83.45.in-addr.arpa | 45.83.192.0/24 | 1 | 2026-10-09 |
| 193.83.45.in-addr.arpa | 45.83.193.0/24 | 1 | 2026-10-16 |
| 20.131.31.in-addr.arpa | 31.131.20.0/24 | 1 | 2026-10-16 |
| 232.105.176.in-addr.arpa | 176.105.232.0/24 | 1 | 2026-10-17 |
| 26.131.31.in-addr.arpa | 31.131.26.0/24 | 1 | 2026-10-16 |
| 27.131.31.in-addr.arpa | 31.131.27.0/24 | 1 | 2026-10-16 |
| 60.111.193.in-addr.arpa | 193.111.60.0/24 | 1 | 2026-10-15 |
| 62.111.193.in-addr.arpa | 193.111.62.0/24 | 1 | 2026-10-16 |
| 63.111.193.in-addr.arpa | 193.111.63.0/24 | 1 | 2026-10-16 |
| 72.91.185.in-addr.arpa | 185.91.72.0/24 | 1 | 2026-10-16 |
| 75.91.185.in-addr.arpa | 185.91.75.0/24 | 1 | 2026-10-16 |
in-addr.arpa / ip6.arpa zones delegated to rdns2.twinservers.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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