SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

klasektea.cz

SSL/TLS Certificate

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SSL/TLS Certificate for klasektea.cz

Valid
Issued by (CA)
Let's Encrypt
Subject
www.klasektea.cz
Valid from
Jul 20, 2026
Valid until
Oct 18, 2026 (88 days remaining)
Public key
EC 256-bit
Serial
05FE7198C78FB1185B014BF918966508F521
SHA-256 fingerprint
3B:98:58:F4:2C:B6:37:80:DA:A5:92:DB:C3:E2:B0:49:B8:16:7B:7F:79:F6:73:15:D2:B3:21:01:21:B3:C5:88
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
klasektea.cz, www.klasektea.cz

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.