Free MX Record Lookup

Our free Free MX Record Lookup helps marketers, developers, and small businesses validate and prepare email data quickly without installing software or creating an account. The tool runs entirely in your browser and on our servers using industry-standard checks, so you get fast, actionable results. Whether you manage newsletters, build SaaS sign-up flows, or troubleshoot deliverability, this utility saves time and reduces costly mistakes. Paste your input, run the check, and use the output immediately in spreadsheets, CRMs, or automation workflows. We designed the interface for clarity: each result is explained in plain language so non-technical users can make confident decisions. Combine this tool with our related email utilities for a complete list-hygiene workflow before every campaign.

Enter a domain name without http:// or www.

How to Use This Tool

  1. Enter your data in the form above.
  2. Click the action button to run the check.
  3. Review the results table or output area.
  4. Download or copy results if needed.
  5. Use related tools for deeper validation.

What This Result Means

Found badges mean the DNS record exists. Missing MX records indicate the domain cannot receive email. SPF TXT records show authorized sending servers. If MX exists but mail still bounces, the mailbox may not exist—use the email verifier for mailbox-level checks.

Frequently Asked Questions

Is the Free MX Record Lookup free?

Yes. This tool is free to use with no account required for basic checks.

Do you store my data?

We process input to deliver results and do not sell your data. Avoid pasting sensitive information when possible.

How accurate are the results?

Results use standard DNS and format checks. For mission-critical lists, combine multiple tools and periodic re-checks.

Can I use this for bulk lists?

Yes for supported tools. For large CSV files use our bulk CSV verifier or list cleaner.

Related Tools

SPF Checker

SPF records

DMARC Checker

DMARC policy

Deliverability Test

Overall score

Example Use Cases

Pre-campaign list hygiene

Run the Free MX Record Lookup before sending newsletters to reduce bounces and protect sender reputation.

Sign-up form quality

Developers and marketers use this at registration to block bad addresses early.

Sales prospect research

Sales teams validate contact data before outreach to improve connect rates.