SSL/TLS Certificate Lookup

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

copastur.com.br

SSL/TLS Certificate

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SSL/TLS Certificate for copastur.com.br

Valid
Issued by (CA)
Let's Encrypt
Subject
www.copastur.com.br
Valid from
Jul 13, 2026
Valid until
Oct 11, 2026 (81 days remaining)
Public key
EC 256-bit
Serial
05E64D5E152B82C8806CC030C2184BF03792
SHA-256 fingerprint
3E:43:2C:98:15:EF:DA:BE:54:7C:5E:38:68:79:A0:3F:DD:01:01:35:F8:8F:DC:58:B9:85:76:25:84:67:36:21
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
copastur.com.br, www.copastur.com.br

Certificate Authority Authorization (CAA)

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