SSL/TLS Certificate Lookup

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

optpeak.com

SSL/TLS Certificate

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SSL/TLS Certificate for optpeak.com

Valid
Issued by (CA)
Let's Encrypt
Subject
optpeak.com
Valid from
May 23, 2026
Valid until
Aug 21, 2026 (30 days remaining)
Public key
RSA 2048-bit
Serial
05189E699D772405CB18BC9873BB581308E7
SHA-256 fingerprint
FA:18:D8:29:DC:5C:1C:26:B7:CD:8D:89:33:D5:71:88:D1:D3:6B:5A:BC:68:1A:2A:4E:F6:48:20:DE:29:28:1D
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
*.optpeak.com, optpeak.com

Certificate Authority Authorization (CAA)

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