TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject *.which.co.uk
Issuer Amazon RSA 2048 M04
Valid From Jun 15, 2026
Valid Until Dec 29, 2026 (135 days)
Algorithm SHA256-RSA
Subject Alternative Names
*.which.co.uk*.green.which.co.uk*.internal.which.co.ukwhich.co.uk
Intermediate
Subject Amazon RSA 2048 M04
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 (135 days remaining)
✓ Certificate covers 4 domains (SANs)
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