SSL/TLS Certificate Lookup

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

lerni.com.br

SSL/TLS Certificate

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SSL/TLS Certificate for lerni.com.br

Valid
Issued by (CA)
Let's Encrypt
Subject
lerni.com.br
Valid from
Jul 10, 2026
Valid until
Oct 8, 2026 (78 days remaining)
Public key
RSA 2048-bit
Serial
053D3F2946D2DAD762B398664A8444F8833B
SHA-256 fingerprint
0C:B3:B4:9D:C8:50:65:2C:F7:12:68:32:F0:8F:03:7B:DA:6C:03:49:C6:2A:46:6C:A6:71:D8:34:A5:FC:25:9E
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
lerni.com.br

Certificate Authority Authorization (CAA)

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