Free Tools

Free security tools for SEO and lead generation

Run real checks on headers, SSL, DNS, email records, and more — no account required. Sign up for saved scans, monitoring, and PDF reports.

Free Security Headers Checker

Check HSTS, CSP, X-Frame-Options, and other HTTP security headers.

Verify SSL certificate status, expiration, and TLS configuration.

Detect DMARC records and email spoofing protection policies.

Validate SPF records and authorized mail senders for your domain.

Review DNS records and common misconfigurations.

Discover publicly exposed subdomains for your domain.

Get a quick security score based on public-facing signals.