SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
dispositif-sessad-tsa67.alsace
SSL/TLS Certificate
SSL/TLS Certificate for dispositif-sessad-tsa67.alsace
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- dispositif-sessad-tsa67.alsace
- Valid from
- Oct 20, 2026
- Valid until
- Jan 18, 2027 (63 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0697064EA711347980D59819CFC1A61D0962
- SHA-256 fingerprint
- 02:AA:95:86:A9:BA:94:CC:84:11:82:C0:45:47:9A:1C:6C:DD:B4:E1:CB:E0:DA:E4:AE:5B:44:3B:1D:FA:E7:11
- 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.
We've observed 1 previous certificate for this host. This certificate has been served since Oct 21, 2026.
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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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