TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject nationalgeographic.org
Issuer Amazon RSA 2048 M04
Valid From Jun 23, 2026
Valid Until Jan 6, 2027 (143 days)
Algorithm SHA256-RSA
Subject Alternative Names
nationalgeographic.org*.nationalgeographic.org
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 (143 days remaining)
✓ Certificate covers 2 domains (SANs)
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