SSL/TLS Certificate Lookup

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

pero.ch

SSL/TLS Certificate

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SSL/TLS Certificate for pero.ch

Valid
Issued by (CA)
Let's Encrypt
Subject
pero.ch
Valid from
Jul 20, 2026
Valid until
Oct 18, 2026 (88 days remaining)
Public key
RSA 2048-bit
Serial
05D12CF36FDBE4219F3CD167BD413A441BE5
SHA-256 fingerprint
5B:C1:F7:19:52:5A:C8:B9:09:3A:55:85:11:65:AC:1C:6F:7E:9E:5D:D9:45:67:4F:92:C8:47:CB:31:FF:6F:0F
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (3)
pero.ch, webmail.pero.ch, www.pero.ch

Certificate Authority Authorization (CAA)

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