# MX W3B Tools

MX W3B Tools is a public mail authentication scanner for checking MX, SPF, DKIM, and DMARC DNS records.

## Canonical URLs

- Scanner: https://mx.w3b.tools/
- Privacy Policy: https://mx.w3b.tools/privacy.php
- Terms of Service: https://mx.w3b.tools/terms.php

## Appropriate Use

Use this site for understanding public DNS mail authentication records and common configuration warnings. Results are informational and should be verified before making production DNS changes.

## Contact

support@w3b.tools