TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject *.shef.ac.uk
Issuer Sectigo Public Server Authentication CA DV R36
Valid From May 18, 2026
Valid Until Dec 2, 2026 (108 days)
Algorithm SHA256-RSA
Subject Alternative Names
*.shef.ac.ukshef.ac.uk
Intermediate
Subject Sectigo Public Server Authentication CA DV R36
Issuer Sectigo Public Server Authentication Root R46
Valid From Mar 22, 2021
Valid Until Mar 21, 2036 (3505 days)
Algorithm SHA384-RSA
Intermediate
Subject Sectigo Public Server Authentication Root R46
Issuer AAA Certificate Services
Valid From Mar 22, 2021
Valid Until Dec 31, 2028 (868 days)
Algorithm SHA384-RSA
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (108 days remaining)
✓ Certificate covers 2 domains (SANs)
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