21cf.dk
📜 DNS record history  ·  ← Current records
📜 Record History4 scans · 6 changes
Scanned AtChanges since previous scan
2026-08-27 04:52:05 no changes
2026-06-23 18:23:41
NS + dns1.cscdns.net + dns2.cscdns.net
SOA + serial 2020031802
DNSSEC + insecure − indeterminate
2026-06-23 17:41:58
NS − dns1.cscdns.net − dns2.cscdns.net
SOA − serial 2020031802
DNSSEC + indeterminate − insecure
2026-06-16 12:43:07 baseline 2 NS · serial 2020031802 · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 4 scans). Click a timestamp to view that full snapshot.

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