HackGuard Domain Security Tools

Quick security checks to help you verify your security configuration before vulnerabilities become problems.

Investigate domain details including DNS records, IP ownership, email configuration, and security status.

Find domains sharing the same IP address. Identify shared hosting neighbors.

Discover historical IP changes for any domain name.

Check SSL certificate validity, expiry date, and TLS configuration. Get an instant security grade.

Check SPF, DMARC, and MX records for any domain. Protect against email spoofing and phishing.

Check DNSSEC configuration and CAA records. Prevent DNS hijacking and unauthorized certificates.

Free Domain Security Tools for Developers