SSL Certificate Test
Verify HTTPS certificate security and expiration
Result for: github.com
Tested at: 2026-04-21 00:32:20
90
优秀
SSL Score: 90/100
🔒 Certificate Status
Certificate Valid
✓ Valid
Days Remaining
45 days
📋 Certificate Details
Subject
github.com
Issuer
Sectigo Public Server Authentication CA DV E36
Certificate Type
Commercial
Valid From
2026-03-06 08:00:00
Valid To
2026-06-04 07:59:59
Signature Algorithm
ecdsa-with-SHA256
💡 Security Suggestions
证书有效期提醒
证书45天后过期，建议记录更新时间。