TLS 1.3 TLS_AES_128_GCM_SHA256
Leaf Certificate
Subject yubico.com
Issuer GlobalSign Atlas R3 DV TLS CA 2026 Q2
Valid From Jun 23, 2026
Valid Until Jan 8, 2027 (145 days)
Algorithm SHA256-RSA
Subject Alternative Names
yubico.comdemo.yubico.comdevelopers.yubico.comdocs.yubico.comdownloads.yubico.comemail.pr.yubico.comforum.yubico.comwww.yubico.comwwyk.yubico.com
Intermediate
Subject GlobalSign Atlas R3 DV TLS CA 2026 Q2
Issuer GlobalSign
Valid From Jan 21, 2026
Valid Until Jan 21, 2028 (522 days)
Algorithm SHA256-RSA
Findings
✓ TLS 1.3 supported
✓ SSL certificate valid (145 days remaining)
✓ Certificate covers 9 domains (SANs)
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