SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for optivaa.com

Valid
Issued by (CA)
Let's Encrypt
Subject
optivaa.com
Valid from
Jun 19, 2026
Valid until
Sep 17, 2026 (57 days remaining)
Public key
RSA 2048-bit
Serial
0575ECA7D93BC503F0E293D77806F83E65E6
SHA-256 fingerprint
BA:B9:B4:39:8C:BB:1E:4A:5C:02:26:56:80:F1:B0:7F:75:97:FF:87:B2:46:2B:E5:43:F3:5F:B7:BD:72:E9:FE
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (1)
optivaa.com

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org, pki.goog, sectigo.com).