This page lists every .dk domain whose delegation includes the nameserver a.ns.ns247.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 |
|---|---|---|---|
| 0.218.88.in-addr.arpa | 88.218.0.0/24 | 1 | 2026-10-16 |
| 130.120.37.in-addr.arpa | 37.120.130.0/24 | 1 | 2026-10-16 |
| 131.120.37.in-addr.arpa | 37.120.131.0/24 | 1 | 2026-10-16 |
| 136.132.91.in-addr.arpa | 91.132.136.0/24 | 1 | 2026-10-16 |
| 144.120.185.in-addr.arpa | 185.120.144.0/24 | 1 | 2026-10-13 |
| 146.120.185.in-addr.arpa | 185.120.146.0/24 | 1 | 2026-10-16 |
| 16.102.82.in-addr.arpa | 82.102.16.0/24 | 1 | 2026-10-07 |
| 169.212.185.in-addr.arpa | 185.212.169.0/24 | 1 | 2026-10-16 |
| 175.156.185.in-addr.arpa | 185.156.175.0/24 | 1 | 2026-10-16 |
| 20.102.82.in-addr.arpa | 82.102.20.0/24 | 1 | 2026-10-16 |
| 200.236.185.in-addr.arpa | 185.236.200.0/24 | 1 | 2026-10-15 |
| 203.236.185.in-addr.arpa | 185.236.203.0/24 | 1 | 2026-10-16 |
| 216.210.185.in-addr.arpa | 185.210.216.0/24 | 1 | 2026-10-16 |
| 4.45.89.in-addr.arpa | 89.45.4.0/24 | 1 | 2026-10-11 |
| 64.174.95.in-addr.arpa | 95.174.64.0/24 | 1 | 2026-10-09 |
| 65.102.91.in-addr.arpa | 91.102.65.0/24 | 1 | 2026-10-16 |
| 65.174.95.in-addr.arpa | 95.174.65.0/24 | 1 | 2026-10-16 |
| 7.45.89.in-addr.arpa | 89.45.7.0/24 | 1 | 2026-10-16 |
| 80.70.146.in-addr.arpa | 146.70.80.0/24 | 1 | 2026-10-16 |
in-addr.arpa / ip6.arpa zones delegated to a.ns.ns247.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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