Blacklist Shield

SSL Certificate Checker

Verify and analyze your domain's SSL/TLS certificate configuration

Why SSL Matters

  • Encrypts data transmission
  • Verifies website identity
  • Builds trust with visitors

Best Practices

Use modern encryption (TLS 1.2+)

Ensures strong security standards

Enable HSTS preloading

Prevents downgrade attacks

Understanding SSL Certificates

SSL/TLS certificates are digital certificates that authenticate a website's identity and enable an encrypted connection between web servers and browsers.

Key Components

  • • Domain validation
  • • Encryption strength
  • • Validity period
  • • Trust chain

Security Best Practices

  • • Use strong key sizes (2048+ bits)
  • • Enable HSTS
  • • Regular renewal
  • • Monitor expiration