SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
optivaa.com
SSL/TLS Certificate
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
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org, pki.goog, sectigo.com).
This certificate has been served since Jul 21, 2026.