SSL/TLS Certificate Lookup

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

opsis.com

SSL/TLS Certificate

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SSL/TLS Certificate for opsis.com

Valid
Issued by (CA)
Let's Encrypt
Subject
opsis.com
Valid from
May 28, 2026
Valid until
Aug 26, 2026 (35 days remaining)
Public key
RSA 2048-bit
Serial
06D414499FEAA67651F446D46A1D702B3D49
SHA-256 fingerprint
EB:30:BD:1E:95:43:0E:77:6E:2C:88:37:00:4F:07:F8:DC:36:E6:85:93:BF:32:C1:C3:26:D0:AE:B8:96:DA:0F
Chain
R13 → ISRG Root X1
Subject Alternative Names (2)
opsis.com, www.opsis.com

Certificate Authority Authorization (CAA)

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