cosa.dk
📜 DNS record history  ·  ← Current records
📜 Record History11 scans · 16 changes
Scanned AtChanges since previous scan
2026-09-04 13:46:36
SOA + serial 2026090105 − serial 2026081301
2026-08-21 20:03:02 no changes
2026-08-16 09:41:17 no changes
2026-08-14 11:20:24
SOA + serial 2026081301 − serial 2026071401
2026-07-14 14:16:08
SOA + serial 2026071401 − serial 2026070305
2026-07-09 02:48:57 no changes
2026-07-04 23:25:12
SOA + serial 2026070305 − serial 2026061301
2026-06-24 07:59:25
NS + ns01.one.com + ns02.one.com
A + 46.30.211.38
MX + 10 in1-smtp.messagingengine.com + 20 in2-smtp.messagingengine.com
TXT + v=spf1 include:spf.messagingengine.com ?all
SOA + serial 2026061301
DNSSEC + secure − indeterminate
2026-06-21 13:56:10
NS − ns01.one.com − ns02.one.com
A − 46.30.211.38
MX − 10 in1-smtp.messagingengine.com − 20 in2-smtp.messagingengine.com
TXT − v=spf1 include:spf.messagingengine.com ?all
SOA − serial 2026061301
DNSSEC + indeterminate − secure
2026-06-16 22:35:25 no changes
2026-06-16 22:31:07 baseline 2 NS · 1 A · 2 MX · 1 TXT · serial 2026061301 · DNSSEC secure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 11 scans). Click a timestamp to view that full snapshot.

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