TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject www.uni-bielefeld.de
Issuer GEANT TLS RSA 1
Valid From Nov 11, 2025
Valid Until Nov 11, 2026 (86 days)
Algorithm SHA256-RSA
Subject Alternative Names
www.uni-bielefeld.deuni-bielefeld.dewwwfo.uni-bielefeld.de
Intermediate
Subject GEANT TLS RSA 1
Issuer HARICA TLS RSA Root CA 2021
Valid From Jan 3, 2025
Valid Until Dec 31, 2039 (4884 days)
Algorithm SHA256-RSA
Intermediate
Subject HARICA TLS RSA Root CA 2021
Issuer Hellenic Academic and Research Institutions RootCA 2015
Valid From Sep 2, 2021
Valid Until Aug 31, 2029 (1110 days)
Algorithm SHA256-RSA
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (86 days remaining)
✓ Certificate covers 3 domains (SANs)
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