This page lists every .dk domain whose delegation includes the nameserver ns1.mainnameserver.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 |
|---|---|---|---|
| 114.60.92.in-addr.arpa | 92.60.114.0/24 | 1 | 2026-10-16 |
| 15.109.91.in-addr.arpa | 91.109.15.0/24 | 1 | 2026-10-16 |
| 187.199.217.in-addr.arpa | 217.199.187.0/24 | 1 | 2026-10-12 |
| 224.32.176.in-addr.arpa | 176.32.224.0/24 | 1 | 2026-10-09 |
| 224.32.46.in-addr.arpa | 46.32.224.0/24 | 1 | 2026-10-17 |
| 226.32.46.in-addr.arpa | 46.32.226.0/24 | 1 | 2026-10-16 |
| 230.32.176.in-addr.arpa | 176.32.230.0/24 | 1 | 2026-10-16 |
| 243.32.46.in-addr.arpa | 46.32.243.0/24 | 1 | 2026-10-16 |
| 40.170.79.in-addr.arpa | 79.170.40.0/24 | 1 | 2026-10-17 |
| 44.170.79.in-addr.arpa | 79.170.44.0/24 | 1 | 2026-10-16 |
| 6.109.91.in-addr.arpa | 91.109.6.0/24 | 1 | 2026-10-16 |
in-addr.arpa / ip6.arpa zones delegated to ns1.mainnameserver.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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