TLS 1.3 TLS_AES_256_GCM_SHA384
Leaf Certificate
Subject www.essex.ac.uk
Issuer YR2
Valid From Jun 25, 2026
Valid Until Sep 23, 2026 (37 days)
Algorithm SHA256-RSA
Subject Alternative Names
essex.ac.ukwww.essex.ac.uk
Intermediate
Subject YR2
Issuer Root YR
Valid From Sep 3, 2025
Valid Until Sep 2, 2028 (748 days)
Algorithm SHA256-RSA
Intermediate
Subject Root YR
Issuer ISRG Root X1
Valid From May 13, 2026
Valid Until Sep 2, 2032 (2209 days)
Algorithm SHA256-RSA
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (37 days remaining)
✓ Certificate covers 2 domains (SANs)
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