SSL/TLS Certificate Lookup

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

catosfera.cat

SSL/TLS Certificate

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SSL/TLS Certificate for catosfera.cat

Valid
Issued by (CA)
Let's Encrypt
Subject
catosfera.cat
Valid from
Jun 9, 2026
Valid until
Sep 7, 2026 (48 days remaining)
Public key
RSA 2048-bit
Serial
0623C7163BF0185137642E4A664C3A65FE35
SHA-256 fingerprint
DC:64:17:F8:94:B6:4F:0A:97:A9:49:1A:84:FE:B6:43:A3:07:BD:17:58:87:BD:50:32:35:6C:E4:2A:CA:6D:7E
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.catosfera.cat, catosfera.cat

Certificate Authority Authorization (CAA)

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