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 zpth.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- zpth.ch
- Valid from
- Jul 16, 2026
- Valid until
- Oct 14, 2026 (84 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0516AEFFD05C3B47F1F2265EF640A30170F5
- SHA-256 fingerprint
- F4:F2:B2:22:91:31:80:CF:A3:B8:ED:5A:F0:A3:E6:5F:FF:9B:64:F4:9B:96:CE:39:2E:F6:32:2E:60:17:7C:76
- 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.