SSL/TLS Certificate Lookup

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

11-11.ch

SSL/TLS Certificate

WhoisRDAPDNS RecordsCertificateUptimeDiagnosticsHistoryHide Contact Info

SSL/TLS Certificate for 11-11.ch

Hostname mismatch
Issued by (CA)
Sectigo Limited
Subject
*.prossl.de
Valid from
Oct 28, 2025
Valid until
Nov 25, 2026 (128 days remaining)
Public key
RSA 4096-bit
Serial
4096BF57046F5FDCE263D07B7674B6E2
SHA-256 fingerprint
57:96:AD:FD:AC:7D:4A:E7:F6:34:92:0D:2C:C7:3C:94:37:9F:A1:62:B8:CA:FD:FF:B4:3F:83:92:9E:5C:3E:09
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.prossl.de, prossl.de

Certificate Authority Authorization (CAA)

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