SSL/TLS Certificate Lookup

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

finjan.com

SSL/TLS Certificate

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SSL/TLS Certificate for finjan.com

Valid
Issued by (CA)
Let's Encrypt
Subject
www.finjan.com
Valid from
Jun 2, 2026
Valid until
Aug 31, 2026 (40 days remaining)
Public key
RSA 2048-bit
Serial
05346ECCEFDFE9E5591594E36377AE07FB5F
SHA-256 fingerprint
F7:6A:E7:C0:4D:D1:8A:CA:61:32:78:55:98:E1:03:7E:24:AA:64:2D:77:43:8E:6C:16:53:78:C4:90:80:A8:06
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
finjan.com, www.finjan.com

Certificate Authority Authorization (CAA)

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