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 helpmedia.ch

Valid
Issued by (CA)
Let's Encrypt
Subject
www.helpmedia.ch
Valid from
May 27, 2026
Valid until
Aug 25, 2026 (35 days remaining)
Public key
RSA 3072-bit
Serial
056CFD8D5E8EA8B7B8FCED8A5D35E4B97B29
SHA-256 fingerprint
EA:D2:91:CC:95:7F:BD:93:E9:3F:56:36:53:57:BB:A4:4B:CC:7C:D1:EA:9E:3A:9B:68:DD:AC:5B:87:09:B6:ED
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
helpmedia.ch, www.helpmedia.ch

Certificate Authority Authorization (CAA)

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