Email Validator
Validate email format and check MX records. Verify if domain accepts mail.
Checks format + MX records.
How to use
- Enter a domain, URL, or value relevant to Email Validator.
- Run the check and review the output carefully.
- Apply recommended fixes, then run the check again to verify.
Common use cases
- Pre-deployment validation for Email Validator.
- Incident triage when security checks fail in production.
- Periodic security review as part of technical SEO and hardening.
Example inputs
Common issues and fixes
No MX records
Domain has no mail servers. Emails will bounce.
Invalid format
Check for typos, missing @, invalid TLD.
Recommended remediation
Format: [email protected]. MX records required for delivery. Use for signup validation.
FAQ
Is Email Validator free to use?
Yes. This tool is free and can be used without account registration.
Do you store submitted values?
Only the minimum processing needed for the check. For client-side tools, data stays in your browser.
How should I use these results?
Use the output as a diagnostic baseline, apply fixes in your stack, then re-run the check to confirm remediation.