TLS 1.3 TLS_AES_256_GCM_SHA384
Leaf Certificate
Subject *.feishu.cn
Issuer RapidSSL TLS RSA CA G1
Valid From Jan 17, 2026
Valid Until Jan 16, 2027 (153 days)
Algorithm SHA256-RSA
Subject Alternative Names
*.feishu.cnfeishu.cn
Intermediate
Subject RapidSSL 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 G2
Valid From Aug 1, 2013
Valid Until Jan 15, 2038 (4169 days)
Algorithm SHA256-RSA
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (153 days remaining)
✓ Certificate covers 2 domains (SANs)
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