SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ruftan.de
SSL/TLS Certificate
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
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.