37 Audits
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Certificate Expiration Checker

Security Checker

Validates SSL certificate validity and expiration status

SecuritySSL
50 credits
Per check
~30 seconds
Average runtime
Active
Status

How it works

This checker validates SSL certificates for HTTPS websites, ensuring they are properly configured and not expired. The checker connects to the website via HTTPS, retrieves the server's SSL certificate chain, extracts certificate information including expiration date, and validates certificate format and validity.

What this checker validates

This checker validates SSL certificates for HTTPS websites, ensuring they are properly configured and not expired. It connects to the website via HTTPS, retrieves the server's SSL certificate chain, extracts certificate information including expiration date, and validates certificate format and validity.

Output Documentation

StatusConditionTest Logic
SUCCESSCertificate is validValid X509 certificate found with proper expiration date
WARNINGURL is not HTTPSCertificate check not applicable for non-HTTPS URLs
FAILCertificate issuesNo certificate found, SSL connection failed, or certificate validation errors

Risks and Considerations

Security Vulnerabilities: Expired or invalid certificates can expose your website to man-in-the-middle attacks and data breaches. User Trust Loss: Browsers will show security warnings, causing users to abandon your site. SEO Penalties: Search engines may rank your site lower due to security concerns.

Ready to start auditing?

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