sentinel.dk
📜 DNS record history  ·  ← Current records
📜 Record History10 scans · 15 changes
Scanned AtChanges since previous scan
2026-09-05 00:32:18
SOA + serial 2026090401 − serial 2026080401
2026-08-26 22:25:13 no changes
2026-08-26 04:50:12 no changes
2026-08-06 13:32:53
SOA + serial 2026080401 − serial 2026070501
2026-07-11 03:37:02 no changes
2026-07-06 11:37:33
SOA + serial 2026070501 − serial 2026060501
2026-06-26 02:59:15
NS + ns01.one.com + ns02.one.com
MX + 10 mail.protonmail.ch + 20 mailsec.protonmail.ch
TXT + protonmail-verification=b9c9fdec7fcff3e25fa1155996c8cc251ccb50a8 + v=DMARC1; p=quarantine + v=spf1 include:_spf.protonmail.ch ~all
TLSA + _25._tcp.mail.protonmail.ch 311 6111A5698D23C89E09C36FF833C1487EDC1B0C841F87C49DAE8F7A09E11E979E + _25._tcp.mail.protonmail.ch 311 76BB66711DA416433CA890A5B2E5A0533C6006478F7D10A4469A947ACC8399E1 + _25._tcp.mailsec.protonmail.ch 311 6111A5698D23C89E09C36FF833C1487EDC1B0C841F87C49DAE8F7A09E11E979E + _25._tcp.mailsec.protonmail.ch 311 76BB66711DA416433CA890A5B2E5A0533C6006478F7D10A4469A947ACC8399E1
SOA + serial 2026060501
DNSSEC + secure − indeterminate
2026-06-24 00:20:37
NS − ns01.one.com − ns02.one.com
MX − 10 mail.protonmail.ch − 20 mailsec.protonmail.ch
TXT − protonmail-verification=b9c9fdec7fcff3e25fa1155996c8cc251ccb50a8 − v=DMARC1; p=quarantine − v=spf1 include:_spf.protonmail.ch ~all
TLSA − _25._tcp.mail.protonmail.ch 311 6111A5698D23C89E09C36FF833C1487EDC1B0C841F87C49DAE8F7A09E11E979E − _25._tcp.mail.protonmail.ch 311 76BB66711DA416433CA890A5B2E5A0533C6006478F7D10A4469A947ACC8399E1 − _25._tcp.mailsec.protonmail.ch 311 6111A5698D23C89E09C36FF833C1487EDC1B0C841F87C49DAE8F7A09E11E979E − _25._tcp.mailsec.protonmail.ch 311 76BB66711DA416433CA890A5B2E5A0533C6006478F7D10A4469A947ACC8399E1
SOA − serial 2026060501
DNSSEC + indeterminate − secure
2026-06-20 20:59:53 no changes
2026-06-18 07:54:30 baseline 2 NS · 2 MX · 3 TXT · 4 TLSA · serial 2026060501 · DNSSEC secure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 10 scans). Click a timestamp to view that full snapshot.

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