TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject *.nationaltrust.org.uk
Issuer GlobalSign RSA OV SSL CA 2018
Valid From Nov 11, 2025
Valid Until Dec 13, 2026 (118 days)
Algorithm SHA256-RSA
Subject Alternative Names
*.nationaltrust.org.uknationaltrust.org.uk
Intermediate
Subject GlobalSign RSA OV SSL CA 2018
Issuer GlobalSign
Valid From Nov 21, 2018
Valid Until Nov 21, 2028 (827 days)
Algorithm SHA256-RSA
Intermediate
Subject GlobalSign
Issuer GlobalSign
Valid From Mar 18, 2009
Valid Until Mar 18, 2029 (944 days)
Algorithm SHA256-RSA
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (118 days remaining)
✓ Certificate covers 2 domains (SANs)
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