SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
omercom.ch
SSL/TLS Certificate
SSL/TLS Certificate for omercom.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- omercom.ch
- Valid from
- Aug 18, 2026
- Valid until
- Nov 16, 2026 (34 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05AFB93739EAB866D53AB49DE4CFE9F0DC7E
- SHA-256 fingerprint
- 0B:5B:C5:20:0B:FF:DE:CF:65:10:34:59:12:32:29:C4:E1:78:3A:D9:D8:BA:67:96:5A:29:88:C6:08:B2:F7:D1
- 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.
This certificate has been served since Oct 9, 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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