Email Validator & MX Record Checker
Validate email addresses in real time with RFC 5322 syntax checks, DNS MX lookups, disposable domain detection, and security scoring. Prevent fraudulent signups and maintain clean mailing lists before they reach your CRM.
Run a validation to see detailed breakdowns of syntax rules, MX lookups, disposable matches, and provider reputation. You can switch to the Bulk tab to process up to 10,000 emails from a CSV file.
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ℹ️ Disclaimer
This tool is provided for informational and educational purposes only. All processing happens entirely in your browser - no data is sent to or stored on our servers. While we strive for accuracy, we make no warranties about the completeness or reliability of results. Use at your own discretion.