SSL/TLS Certificate Lookup

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

cassanova.de

SSL/TLS Certificate

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SSL/TLS Certificate for cassanova.de

Untrusted chain
Issued by (CA)
Let's Encrypt
Subject
cassanova.de
Valid from
Jul 18, 2026
Valid until
Oct 16, 2026 (87 days remaining)
Public key
EC 256-bit
Serial
05F3DBC8DD90621EAD94526E4E112CEFC13A
SHA-256 fingerprint
76:4E:0A:F8:0F:F4:BE:AD:81:CF:83:29:EC:81:4B:F5:EE:65:28:6F:26:F6:7A:BA:09:0C:DF:66:6A:AF:E8:CD
Chain
YE2
Subject Alternative Names (1)
cassanova.de

Certificate Authority Authorization (CAA)

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