TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject durham.ac.uk
Issuer Amazon RSA 2048 M01
Valid From Dec 1, 2025
Valid Until Dec 30, 2026 (136 days)
Algorithm SHA256-RSA
Subject Alternative Names
durham.ac.ukwww.dur.ac.ukwww.durham.ac.ukdur.ac.uk
Intermediate
Subject Amazon RSA 2048 M01
Issuer Amazon Root CA 1
Valid From Aug 23, 2022
Valid Until Aug 23, 2030 (1468 days)
Algorithm SHA256-RSA
Intermediate
Subject Amazon Root CA 1
Issuer Starfield Services Root Certificate Authority - G2
Valid From May 25, 2015
Valid Until Dec 31, 2037 (4154 days)
Algorithm SHA256-RSA
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (136 days remaining)
✓ Certificate covers 4 domains (SANs)
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