This page lists every .dk domain whose delegation includes the nameserver ns2.colocrossing.com, 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 |
|---|---|---|---|
| 102.119.192.in-addr.arpa | 192.119.102.0/24 | 1 | 2026-10-12 |
| 112.95.23.in-addr.arpa | 23.95.112.0/24 | 1 | 2026-10-06 |
| 118.95.23.in-addr.arpa | 23.95.118.0/24 | 1 | 2026-10-16 |
| 128.23.198.in-addr.arpa | 198.23.128.0/24 | 1 | 2026-10-05 |
| 134.23.198.in-addr.arpa | 198.23.134.0/24 | 1 | 2026-10-16 |
| 14.245.172.in-addr.arpa | 172.245.14.0/24 | 1 | 2026-10-16 |
| 142.236.192.in-addr.arpa | 192.236.142.0/24 | 1 | 2026-10-15 |
| 185.245.172.in-addr.arpa | 172.245.185.0/24 | 1 | 2026-10-16 |
| 201.3.192.in-addr.arpa | 192.3.201.0/24 | 1 | 2026-10-16 |
| 208.175.107.in-addr.arpa | 107.175.208.0/24 | 1 | 2026-10-14 |
| 208.3.192.in-addr.arpa | 192.3.208.0/24 | 1 | 2026-10-12 |
| 221.175.107.in-addr.arpa | 107.175.221.0/24 | 1 | 2026-10-16 |
| 227.173.107.in-addr.arpa | 107.173.227.0/24 | 1 | 2026-10-16 |
| 227.215.67.in-addr.arpa | 67.215.227.0/24 | 1 | 2026-10-16 |
| 24.95.23.in-addr.arpa | 23.95.24.0/24 | 1 | 2026-10-13 |
| 248.55.198.in-addr.arpa | 198.55.248.0/24 | 1 | 2026-10-16 |
| 31.95.23.in-addr.arpa | 23.95.31.0/24 | 1 | 2026-10-09 |
| 32.168.104.in-addr.arpa | 104.168.32.0/24 | 1 | 2026-10-16 |
| 36.173.107.in-addr.arpa | 107.173.36.0/24 | 1 | 2026-10-11 |
| 37.173.107.in-addr.arpa | 107.173.37.0/24 | 1 | 2026-10-16 |
| 58.129.104.in-addr.arpa | 104.129.58.0/24 | 1 | 2026-10-16 |
| 59.129.104.in-addr.arpa | 104.129.59.0/24 | 1 | 2026-10-09 |
| 59.168.104.in-addr.arpa | 104.168.59.0/24 | 1 | 2026-10-09 |
| 63.172.107.in-addr.arpa | 107.172.63.0/24 | 1 | 2026-10-16 |
| 68.95.23.in-addr.arpa | 23.95.68.0/24 | 1 | 2026-10-04 |
| 69.95.23.in-addr.arpa | 23.95.69.0/24 | 1 | 2026-10-09 |
| 72.88.208.in-addr.arpa | 208.88.72.0/24 | 1 | 2026-10-08 |
| 77.88.208.in-addr.arpa | 208.88.77.0/24 | 1 | 2026-10-16 |
| 8.245.172.in-addr.arpa | 172.245.8.0/24 | 1 | 2026-10-16 |
| 84.174.107.in-addr.arpa | 107.174.84.0/24 | 1 | 2026-10-16 |
in-addr.arpa / ip6.arpa zones delegated to ns2.colocrossing.com, 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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