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 witg.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- witg.ch
- Valid from
- May 23, 2026
- Valid until
- Aug 21, 2026 (31 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06BF62CB3677E98C2653546F2E4C265C6E7C
- SHA-256 fingerprint
- 80:34:E6:B4:44:10:F2:F9:6B:6E:81:B2:69:60:5F:41:59:3A:67:CE:BD:30:DC:48:93:94:83:28:6C:AB:24:DD
- Chain
- R12 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.