TLS 1.2 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 Certificate validation failed
Leaf Certificate
Subject www.pku.edu.cn
Issuer TrustAsia OV TLS RSA CA 2024
Valid From Feb 25, 2026
Valid Until Mar 25, 2027 (220 days)
Algorithm SHA256-RSA
Subject Alternative Names
www.pku.edu.cn
Intermediate
Subject TrustAsia OV TLS RSA CA 2024
Issuer TrustAsia TLS RSA Root CA
Valid From May 15, 2024
Valid Until May 15, 2034 (2828 days)
Algorithm SHA384-RSA
Intermediate
Subject TrustAsia TLS RSA Root CA
Issuer Certum Trusted Network CA
Valid From Oct 7, 2025
Valid Until Jan 14, 2029 (881 days)
Algorithm SHA384-RSA
Findings
⚠ TLS 1.2 in use
✓ SSL certificate valid (220 days remaining)
✓ Certificate covers 1 domains (SANs)
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