serfurth.dk
📜 DNS record history  ·  ← Current records
📜 Record History5 scans · 18 changes
Scanned AtChanges since previous scan
2026-06-29 10:53:49 no changes
2026-06-22 22:24:33
NS + ns.second-ns.com + ns1.your-server.de + ns3.second-ns.de
A + 88.198.195.21
MX + 10 mail.protonmail.ch + 20 mailsec.protonmail.ch
AAAA + 2a01:4f8:d0a:10ff::2
TXT + protonmail-verification=e4072429a8aafa7a72dcfa179c4c8c4ee4d37904 + 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 2026021102
DMARC + v=DMARC1; p=quarantine
DNSSEC + insecure − indeterminate
2026-06-20 22:21:06
NS − ns.second-ns.com − ns1.your-server.de − ns3.second-ns.de
A − 88.198.195.21
MX − 10 mail.protonmail.ch − 20 mailsec.protonmail.ch
AAAA − 2a01:4f8:d0a:10ff::2
TXT − protonmail-verification=e4072429a8aafa7a72dcfa179c4c8c4ee4d37904 − 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 76BB66711DA416433CA890A5B2E5A0533C6006478F7D10A4469A947ACC8399E1 − _25._tcp.mailsec.protonmail.ch 311 6111A5698D23C89E09C36FF833C1487EDC1B0C841F87C49DAE8F7A09E11E979E
SOA − serial 2026021102
DMARC − v=DMARC1; p=quarantine
DNSSEC + indeterminate − insecure
2026-06-19 20:45:07 no changes
2026-06-17 13:58:07 baseline 3 NS · 1 A · 2 MX · 1 AAAA · 2 TXT · 4 TLSA · serial 2026021102 · DMARC · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 5 scans). Click a timestamp to view that full snapshot.

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