crtool.dk
📜 DNS record history  ·  ← Current records
📜 Record History11 scans · 15 changes
Scanned AtChanges since previous scan
2026-08-27 00:33:20 no changes
2026-08-25 23:47:02 no changes
2026-08-15 22:03:08 no changes
2026-08-12 03:51:24
SOA + serial 2026081202 − serial 2026080601
2026-08-09 17:17:42
SOA + serial 2026080601 − serial 2026070701
2026-07-08 17:13:28
SOA + serial 2026070701 − serial 2026061202
2026-06-26 00:32:47
NS + ns01.one.com + ns02.one.com
A + 185.21.41.131
MX + 0 crtool-dk.mail.protection.outlook.com
TXT + v=spf1 include:spf.protection.outlook.com -all
SOA + serial 2026061202
DNSSEC + secure − indeterminate
2026-06-23 23:56:24
NS − ns01.one.com − ns02.one.com
A − 185.21.41.131
MX − 0 crtool-dk.mail.protection.outlook.com
TXT − v=spf1 include:spf.protection.outlook.com -all
SOA − serial 2026061202
DNSSEC + indeterminate − secure
2026-06-16 23:18:39 no changes
2026-06-16 23:10:58 no changes
2026-06-16 23:00:05 baseline 2 NS · 1 A · 1 MX · 1 TXT · serial 2026061202 · 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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