SSL Certificate Checker

Analyze SSL/TLS certificates and check website security

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Domain Input

Enter the domain to check SSL certificate

SSL Certificate Information

What is SSL?

  • Secure Sockets Layer protocol
  • Encrypts data between client and server
  • Provides authentication and integrity
  • Essential for secure web communication

Certificate Types

  • Domain Validated (DV)
  • Organization Validated (OV)
  • Extended Validation (EV)
  • Wildcard certificates

Security Benefits

  • Data encryption in transit
  • Server authentication
  • Data integrity protection
  • Trust and credibility

SSL Security Tips

Certificate Management

  • Use 2048-bit or higher key sizes
  • Choose SHA-256 or higher signatures
  • Monitor certificate expiry dates
  • Set up automatic renewal

Security Best Practices

  • Enable HSTS headers
  • Use proper certificate chains
  • Implement OCSP stapling
  • Regular security audits

Common Issues

  • Expired certificates
  • Weak encryption algorithms
  • Missing certificate chains
  • Self-signed certificates