What is SSL Certificate Checker?
SSL Certificate Checker analyzes SSL/TLS certificates for any domain. It displays certificate details including issuer, validity dates, expiration status, protocol version, and security configuration. Essential for monitoring certificate health and ensuring secure HTTPS connections.
Common Use Cases
Certificate Monitoring
Monitor SSL certificates across your domains to prevent expiration.
Security Auditing
Verify SSL configuration meets security best practices.
Troubleshooting
Debug HTTPS connection issues and certificate errors.
Compliance
Ensure certificates meet regulatory requirements.
How to Use This Tool
- Enter the domain name to check
- Click "Check SSL" to analyze the certificate
- Review certificate details and expiry status
- Copy the results for documentation
Frequently Asked Questions
What is an SSL certificate?
SSL certificates encrypt data between browsers and servers, enabling secure HTTPS connections. They also verify website identity.
How often should I check certificates?
Monitor regularly, especially within 30 days of expiration. Set up automated monitoring for critical sites.
What TLS version should I use?
TLS 1.2 or 1.3 is recommended. TLS 1.0 and 1.1 are deprecated due to security vulnerabilities.