SSL/TLS Certificate Lookup

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

zoopet.cz

SSL/TLS Certificate

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SSL/TLS Certificate for zoopet.cz

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
www.zoopet.cz
Valid from
Jun 7, 2026
Valid until
Sep 5, 2026 (45 days remaining)
Public key
RSA 2048-bit
Serial
051D5D7AA9F7E01AFB4332F313182D5323F1
SHA-256 fingerprint
27:9A:58:B6:2B:52:81:89:92:04:35:D3:A7:FD:61:D1:DB:F9:06:6F:CA:2D:46:BF:BE:99:31:36:CB:2F:5F:12
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (1)
www.zoopet.cz

Certificate Authority Authorization (CAA)

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