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 a2m2.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- a2m2.ch
- Valid from
- Jun 27, 2026
- Valid until
- Sep 25, 2026 (65 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0540D684D4B365D365980E49C992E4276C58
- SHA-256 fingerprint
- 69:56:53:80:37:88:90:76:F0:BA:89:16:19:34:A4:BD:10:92:21:8B:CD:07:C5:53:A3:4C:E4:8F:79:D2:C4:A7
- 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.