SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

herzsicher.com

SSL/TLS Certificate

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SSL/TLS Certificate for herzsicher.com

Valid
Issued by (CA)
Let's Encrypt
Subject
herzsicher.ch
Valid from
May 27, 2026
Valid until
Aug 25, 2026 (35 days remaining)
Public key
RSA 2048-bit
Serial
057495093AD43961EB24526DFA7CB5ED5B8C
SHA-256 fingerprint
19:3F:30:D7:2E:A9:29:53:E0:5C:78:DE:19:A8:AA:DD:A0:64:18:36:AB:DA:54:DF:AB:78:96:EC:02:5E:4E:34
Chain
R12 → ISRG Root X1
Subject Alternative Names (4)
herzsicher.ch, herzsicher.com, www.herzsicher.ch, www.herzsicher.com

Certificate Authority Authorization (CAA)

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