TLS 1.3 TLS_AES_256_GCM_SHA384
Leaf Certificate
Subject cuni.cz
Issuer GEANT TLS ECC 1
Valid From Aug 13, 2026
Valid Until Feb 28, 2027 (195 days)
Algorithm ECDSA-SHA384
Subject Alternative Names
cuni.czwww.cuni.cz
Intermediate
Subject GEANT TLS ECC 1
Issuer HARICA TLS ECC Root CA 2021
Valid From Jan 3, 2025
Valid Until Dec 31, 2039 (4884 days)
Algorithm ECDSA-SHA384
Intermediate
Subject HARICA TLS ECC Root CA 2021
Issuer Hellenic Academic and Research Institutions ECC RootCA 2015
Valid From Sep 2, 2021
Valid Until Aug 31, 2029 (1110 days)
Algorithm ECDSA-SHA384
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (195 days remaining)
✓ Certificate covers 2 domains (SANs)
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