This page lists every .dk domain whose delegation includes the nameserver ns.nscluster.nl, 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.
The nameserver ns.nscluster.nl appears in the delegation of 9 .dk domains in our dataset — <0.01% of every scanned .dk domain. The full list is below — here is how those domains look under the hood.
On the DNSSEC side, 0 (0.0%) validate as secure — below the zone-wide average of 63.9%, while 8 (88.9%) are unsigned, with none failing validation outright — a further 1 come back indeterminate.
Delegation health looks clean, too: none of these domains currently register as lame delegations at this nameserver.
Response time: across 9 timed domains, our resolver needed 669 ms on average to answer an A query and 656 ms for an NS query. Per nameserver set below.
Not profiled: it did not answer authoritatively for the zones we asked it about. Retried every few days.
| Nameserver set | Domains | Avg response (A) | NS lookup |
|---|---|---|---|
| ns.nscluster.be · ns.nscluster.eu · ns.nscluster.nl · ns.nscluster.uk · ns.nscluster.us | 6 | 190 ms | 137 ms |
| ns.nscluster.be · ns.nscluster.co.uk · ns.nscluster.eu · ns.nscluster.nl · ns.nscluster.us | 3 | 1,629 ms | 1,695 ms |
Times are the scanner's own lookups through its resolver on each domain's latest scan, so they include resolver overhead; compare sets with each other rather than reading them as raw authoritative round-trip times.
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