SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
efc-passau.de
SSL/TLS Certificate
SSL/TLS Certificate for efc-passau.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- efc-passau.de
- Valid from
- Aug 12, 2026
- Valid until
- Nov 10, 2026 (65 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06898AE9BDE5EF40C454C3D2AD5542C84249
- SHA-256 fingerprint
- DB:A6:22:88:F2:8F:E4:52:19:C6:5F:D6:F1:78:28:E2:67:EC:64:73:E8:88:3E:0C:5B:02:0B:54:A5:0D:11:1E
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by efc-passau.de's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch efc-passau.de continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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