SSL/TLS Certificate Lookup

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

optiva.com

SSL/TLS Certificate

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SSL/TLS Certificate for optiva.com

Valid
Issued by (CA)
Let's Encrypt
Subject
optiva.com
Valid from
Jun 25, 2026
Valid until
Sep 23, 2026 (64 days remaining)
Public key
RSA 2048-bit
Serial
05420F16729464A79F83F732F86AA2E47DC7
SHA-256 fingerprint
80:D0:47:0E:51:2E:A3:46:80:47:69:9C:5A:B8:62:1F:C3:C4:98:1B:C9:D5:30:0B:12:37:5E:07:10:46:F9:81
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
optiva.com, www.optiva.com

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).