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 wini.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- wini.ch
- Valid from
- Jun 26, 2026
- Valid until
- Sep 24, 2026 (64 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 050AA9D50146C3A7DF1B04C7CFDA0825A2B5
- SHA-256 fingerprint
- A0:85:7B:63:1C:EE:C1:CA:0F:D8:12:40:ED:3D:57:EF:59:7D:59:0D:92:82:1F:AE:FF:5D:32:71:4F:7D:46:88
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.