SSL/TLS Certificate Lookup

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

mesosona.cat

SSL/TLS Certificate

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SSL/TLS Certificate for mesosona.cat

Valid
Issued by (CA)
Let's Encrypt
Subject
*.mesosona.cat
Valid from
Jun 15, 2026
Valid until
Sep 13, 2026 (53 days remaining)
Public key
RSA 2048-bit
Serial
054C692067841529F44A7BA6ED3ACDF1BB2C
SHA-256 fingerprint
D3:7C:97:65:8B:7B:27:AC:34:68:30:50:90:F1:38:F2:07:FA:55:98:ED:C5:C4:2E:3F:39:EA:15:58:15:54:0A
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.mesosona.cat, mesosona.cat

Certificate Authority Authorization (CAA)

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