TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject *.ico.org.uk
Issuer Thawte TLS RSA CA G1
Valid From Feb 19, 2026
Valid Until Mar 22, 2027 (218 days)
Algorithm SHA256-RSA
Subject Alternative Names
*.ico.org.ukico.org.uk
Intermediate
Subject Thawte TLS RSA CA G1
Issuer DigiCert Global Root G2
Valid From Nov 2, 2017
Valid Until Nov 2, 2027 (442 days)
Algorithm SHA256-RSA
Intermediate
Subject DigiCert Global Root G2
Issuer DigiCert Global Root CA
Valid From Jan 18, 2024
Valid Until Nov 9, 2031 (1911 days)
Algorithm SHA256-RSA
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (218 days remaining)
✓ Certificate covers 2 domains (SANs)
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