SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for ruftan.de

Valid
Issued by (CA)
Let's Encrypt
Subject
ruftan.de
Valid from
May 24, 2026
Valid until
Aug 22, 2026 (31 days remaining)
Public key
EC 384-bit
Serial
0506565753B21F50B5E69B46A344556CE2A7
SHA-256 fingerprint
50:33:20:E0:B9:11:E6:E9:16:EF:1D:25:15:0D:EF:05:9A:E2:90:21:D5:3A:B5:15:42:34:91:48:AF:9F:E4:56
Chain
E7 → ISRG Root X1
Subject Alternative Names (1)
ruftan.de

Certificate Authority Authorization (CAA)

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