🔄 Reverse NS Lookup

Find all domains using this nameserver

This page lists every .dk domain whose delegation includes the nameserver kyindxmmexternal.cengage.net, together with its IP addresses, network, zone-transfer and ANY-query behaviour, 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.

🧭 kyindxmmexternal.cengage.net at a glance

nameserver profile from our scan data

The nameserver kyindxmmexternal.cengage.net appears in the delegation of 2 .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 64.0%, while 2 (100.0%) are unsigned, with none failing validation outright.

Delegation health looks clean, too: none of these domains currently register as lame delegations at this nameserver.

Response time: across 2 timed domains, our resolver needed 148 ms on average to answer an A query and 149 ms for an NS query. Per nameserver set below.

🖥️ kyindxmmexternal.cengage.net

Probed 2026-09-20 11:41
Network
No IPs resolved yet
Probes
AXFR Refused
IXFR Refused
Glue N/A
ANY No response
Version Hidden

🔗 Nameserver sets using kyindxmmexternal.cengage.net

top 1 by domains
Nameserver setDomainsAvg response (A)NS lookup
kyindxmmexternal.cengage.net · ns1.cengage.net · ns2.cengage.net 2 148 ms 149 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.

Found 2 domains matching kyindxmmexternal.cengage.net
Domain
cengage-group.dk View →
cengagegroup.dk View →
📈 DNSSEC Status Over Time

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