SSL/TLS Certificate Lookup

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

klappeauf.de

SSL/TLS Certificate

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SSL/TLS Certificate for klappeauf.de

Valid
Issued by (CA)
Let's Encrypt
Subject
klappeauf.de
Valid from
Jun 28, 2026
Valid until
Sep 26, 2026 (67 days remaining)
Public key
EC 256-bit
Serial
051547CF0903EFA12DDAC5E42F8E786BA9D3
SHA-256 fingerprint
5B:BC:A6:23:46:21:AB:51:74:B3:1C:B6:03:CD:17:9A:D7:38:A8:67:05:30:3C:31:90:E9:66:F8:F2:0A:D4:9F
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
*.klappeauf.de, klappeauf.de

Certificate Authority Authorization (CAA)

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