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).