TLS 1.3 TLS_AES_256_GCM_SHA384 Certificate validation failed
Leaf Certificate
Subject cairn.info
Issuer R13
Valid From May 18, 2026
Valid Until Aug 16, 2026 (0 days)
Algorithm SHA256-RSA
Subject Alternative Names
cairn.info
Intermediate
Subject R13
Issuer ISRG Root X1
Valid From Mar 13, 2024
Valid Until Mar 12, 2027 (208 days)
Algorithm SHA256-RSA
Findings
✓ TLS 1.3 supported
✗ SSL certificate expires in 0 days
✓ Certificate covers 1 domains (SANs)
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