This page lists every .dk domain whose delegation includes the nameserver ns2.katapult.io, 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 |
|---|---|---|---|
| 0.72.77.in-addr.arpa | 77.72.0.0/24 | 1 | 2026-10-17 |
| 1.72.77.in-addr.arpa | 77.72.1.0/24 | 1 | 2026-10-16 |
| 2.72.77.in-addr.arpa | 77.72.2.0/24 | 1 | 2026-10-16 |
| 220.199.185.in-addr.arpa | 185.199.220.0/24 | 1 | 2026-10-12 |
| 222.199.185.in-addr.arpa | 185.199.222.0/24 | 1 | 2026-10-16 |
| 24.98.141.in-addr.arpa | 141.98.24.0/24 | 1 | 2026-10-17 |
| 26.98.141.in-addr.arpa | 141.98.26.0/24 | 1 | 2026-10-16 |
| 76.89.152.in-addr.arpa | 152.89.76.0/24 | 1 | 2026-10-09 |
| 79.89.152.in-addr.arpa | 152.89.79.0/24 | 1 | 2026-10-16 |
| 90.194.185.in-addr.arpa | 185.194.90.0/24 | 1 | 2026-10-16 |
in-addr.arpa / ip6.arpa zones delegated to ns2.katapult.io, 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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