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 citt.ch

Hostname mismatch
Issued by (CA)
Sectigo Limited
Subject
*.cloudrexx.com
Valid from
Oct 10, 2025
Valid until
Nov 9, 2026 (111 days remaining)
Public key
RSA 4096-bit
Serial
2C7075378701ADE53FD44AA0F950E8AC
SHA-256 fingerprint
AE:A0:F4:96:B9:D4:78:DC:6D:ED:56:3E:32:69:E1:69:93:11:71:14:02:00:93:D4:91:EF:A9:5F:26:43:47:B5
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (8)
*.cloudrexx.com, *.h1.cloudrexx.com, *.mail.cloudrexx.com, *.webmail.cloudrexx.com, cloudrexx.com, h1.cloudrexx.com, mail.cloudrexx.com, webmail.cloudrexx.com

Certificate Authority Authorization (CAA)

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