SSL/TLS Certificate Lookup

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

pepenero.cz

SSL/TLS Certificate

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SSL/TLS Certificate for pepenero.cz

Valid
Issued by (CA)
Let's Encrypt
Subject
mail.pepenero.cz
Valid from
May 27, 2026
Valid until
Aug 25, 2026 (34 days remaining)
Public key
RSA 2048-bit
Serial
067436F530B44182ABA6C3582C1D13030B7A
SHA-256 fingerprint
FB:94:9F:28:B1:0F:E0:23:74:A8:5D:57:6C:37:72:B8:6C:BA:DF:21:56:7C:0F:FB:A9:02:C9:A0:B3:C0:BC:1E
Chain
R12 → ISRG Root X1
Subject Alternative Names (3)
mail.pepenero.cz, pepenero.cz, www.pepenero.cz

Certificate Authority Authorization (CAA)

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