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 mycup.ch

Valid
Issued by (CA)
Let's Encrypt
Subject
mycup.ch
Valid from
Jun 17, 2026
Valid until
Sep 15, 2026 (55 days remaining)
Public key
EC 256-bit
Serial
069C2C61AA51F09DD9D3D2A6FA89E18B6D38
SHA-256 fingerprint
3E:D6:88:11:35:24:6F:D0:AD:9C:1A:C2:C2:15:72:64:49:39:44:46:61:33:55:05:B4:11:06:D7:8D:40:00:F5
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
mycup.ch

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.