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SSL Certificate: www.rub.de

🟢 Valid Certificate
Common Namesan4.ruhr-uni-bochum.de
OrganizationRuhr-Universitaet Bochum
IssuerHellenic Academic and Research Institutions CA
Issuer CNGEANT TLS RSA 1
Valid FromFeb 19 08:16:41 2026 GMT
Valid UntilFeb 19 08:16:41 2027 GMT (215 days left)
Serial Number1DDF289ED75B82A283113FE6099FECF3
ℹ️ About SSL Certificates

SSL (Secure Sockets Layer) certificates encrypt data between your browser and www.rub.de's server. A valid SSL certificate ensures that your connection is private and that you're communicating with the real Rub website.

Websites without valid SSL certificates may show browser warnings and are penalized in search engine rankings.