This page lists every .dk domain whose delegation includes the nameserver edns116.ultradns.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 |
|---|---|---|---|
| 108.87.in-addr.arpa | 87.108.0.0/16 | 3 | 2026-10-16 |
| 0.200.74.in-addr.arpa | 74.200.0.0/24 | 1 | 2026-10-09 |
| 0.21.89.in-addr.arpa | 89.21.0.0/24 | 1 | 2026-10-15 |
| 0.88.194.in-addr.arpa | 194.88.0.0/24 | 1 | 2026-10-16 |
| 100.201.81.in-addr.arpa | 81.201.100.0/24 | 1 | 2026-10-15 |
| 101.187.89.in-addr.arpa | 89.187.101.0/24 | 1 | 2026-10-16 |
| 105.201.81.in-addr.arpa | 81.201.105.0/24 | 1 | 2026-10-16 |
| 109.187.89.in-addr.arpa | 89.187.109.0/24 | 1 | 2026-10-16 |
| 128.84.88.in-addr.arpa | 88.84.128.0/24 | 1 | 2026-10-16 |
| 133.52.213.in-addr.arpa | 213.52.133.0/24 | 1 | 2026-10-16 |
| 142.84.88.in-addr.arpa | 88.84.142.0/24 | 1 | 2026-10-16 |
| 160.80.88.in-addr.arpa | 88.80.160.0/24 | 1 | 2026-10-09 |
| 170.80.88.in-addr.arpa | 88.80.170.0/24 | 1 | 2026-10-16 |
| 19.200.74.in-addr.arpa | 74.200.19.0/24 | 1 | 2026-10-16 |
| 192.29.81.in-addr.arpa | 81.29.192.0/24 | 1 | 2026-10-08 |
| 208.177.202.in-addr.arpa | 202.177.208.0/24 | 1 | 2026-10-09 |
| 208.29.81.in-addr.arpa | 81.29.208.0/24 | 1 | 2026-10-16 |
| 208.79.217.in-addr.arpa | 217.79.208.0/24 | 1 | 2026-10-05 |
| 214.177.202.in-addr.arpa | 202.177.214.0/24 | 1 | 2026-10-16 |
| 214.29.81.in-addr.arpa | 81.29.214.0/24 | 1 | 2026-10-16 |
| 216.79.217.in-addr.arpa | 217.79.216.0/24 | 1 | 2026-10-16 |
| 220.255.159.in-addr.arpa | 159.255.220.0/24 | 1 | 2026-10-16 |
| 221.79.217.in-addr.arpa | 217.79.221.0/24 | 1 | 2026-10-16 |
| 32.209.62.in-addr.arpa | 62.209.32.0/24 | 1 | 2026-10-16 |
| 36.209.62.in-addr.arpa | 62.209.36.0/24 | 1 | 2026-10-16 |
| 45.219.213.in-addr.arpa | 213.219.45.0/24 | 1 | 2026-10-16 |
| 53.209.62.in-addr.arpa | 62.209.53.0/24 | 1 | 2026-10-16 |
| 64.199.82.in-addr.arpa | 82.199.64.0/24 | 1 | 2026-10-04 |
| 69.199.82.in-addr.arpa | 82.199.69.0/24 | 1 | 2026-10-16 |
| 80.252.80.in-addr.arpa | 80.252.80.0/24 | 1 | 2026-10-16 |
| 86.252.80.in-addr.arpa | 80.252.86.0/24 | 1 | 2026-10-16 |
| 90.252.80.in-addr.arpa | 80.252.90.0/24 | 1 | 2026-10-16 |
| 96.187.89.in-addr.arpa | 89.187.96.0/24 | 1 | 2026-10-06 |
in-addr.arpa / ip6.arpa zones delegated to edns116.ultradns.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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