SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
werner-sauter.de
SSL/TLS Certificate
SSL/TLS Certificate for werner-sauter.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- werner-sauter.de
- Valid from
- May 30, 2026
- Valid until
- Aug 28, 2026 (34 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 053B7373DB07559A3621CDD84FA28A101F5B
- SHA-256 fingerprint
- 33:F6:B7:F9:0C:7D:91:D9:18:AA:9B:73:68:A7:1E:70:7F:B5:07:F6:8E:32:89:6F:10:8E:0C:D6:90:50:14:FF
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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Uptime
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DNS changes
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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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