sigsys.dk
📜 DNS record history  ·  ← Current records
📜 Record History4 scans · 6 changes
Scanned AtChanges since previous scan
2026-09-03 14:24:54 no changes
2026-07-22 04:40:22
MX + 0 sigsys-dk.mail.protection.outlook.com − 10 mail.protonmail.ch − 20 mailsec.protonmail.ch
TXT + v=spf1 include:spf.protection.outlook.com -all − protonmail-verification=f6bea963f44d452af9f56190f62747374b354c56 − v=spf1 include:_spf.protonmail.ch ~all
TLSA − _25._tcp.mail.protonmail.ch 311 76BB66711DA416433CA890A5B2E5A0533C6006478F7D10A4469A947ACC8399E1 − _25._tcp.mail.protonmail.ch 311 6111A5698D23C89E09C36FF833C1487EDC1B0C841F87C49DAE8F7A09E11E979E − _25._tcp.mailsec.protonmail.ch 311 6111A5698D23C89E09C36FF833C1487EDC1B0C841F87C49DAE8F7A09E11E979E − _25._tcp.mailsec.protonmail.ch 311 76BB66711DA416433CA890A5B2E5A0533C6006478F7D10A4469A947ACC8399E1
SOA + serial 2026072013 − serial 2026070200
2026-07-03 19:03:31
TXT + MS=ms88355312
SOA + serial 2026070200 − serial 2026021200
2026-06-17 13:19:39 baseline 3 NS · 1 A · 2 MX · 1 AAAA · 2 TXT · 4 TLSA · serial 2026021200 · DMARC · 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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