TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject umich.edu
Issuer WE1
Valid From Jul 20, 2026
Valid Until Oct 18, 2026 (62 days)
Algorithm ECDSA-SHA256
Subject Alternative Names
umich.edu
Intermediate
Subject WE1
Issuer GTS Root R4
Valid From Dec 13, 2023
Valid Until Feb 20, 2029 (918 days)
Algorithm ECDSA-SHA384
Intermediate
Subject GTS Root R4
Issuer GlobalSign Root CA
Valid From Nov 15, 2023
Valid Until Jan 28, 2028 (529 days)
Algorithm SHA256-RSA
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (62 days remaining)
✓ Certificate covers 1 domains (SANs)
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