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 treg.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- treg.ch
- Valid from
- May 28, 2026
- Valid until
- Aug 26, 2026 (35 days remaining)
- Public key
- RSA 3072-bit
- Serial
- 064D7AD91F764D46D8F39C0394DFC20F0C00
- SHA-256 fingerprint
- A3:B8:04:80:69:A8:CC:B0:46:95:02:E2:90:0E:6B:61:86:F7:99:67:F3:E1:78:63:BE:70:D8:7E:6F:3F:50:EE
- Chain
- R12 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.