SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
plasty-frank.cz
SSL/TLS Certificate
SSL/TLS Certificate for plasty-frank.cz
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- plastyfrank.cz
- Valid from
- Oct 11, 2026
- Valid until
- Jan 9, 2027 (67 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 055E2469A80A1B1DEAA39D151F263082F7EB
- SHA-256 fingerprint
- 20:32:0A:FD:1E:2B:EF:C5:EB:AA:EB:C6:02:5F:4D:0D:59:6E:36:B7:4F:73:DA:1E:0A:0A:01:C0:CF:79:69:8E
- 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 Nov 1, 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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