Simple online tools for developers, networking, text and conversions.

Network Tools

MX Record Lookup Examples

Review practical MX Record Lookup examples so you can understand expected input, output, and common patterns faster.

Why examples matter for MX Record Lookup

Use this free MX Record Lookup tool to check the mail exchange records for a domain and see which servers are configured to receive email for it. It is useful for troubleshooting email delivery problems, verifying mail provider setup, checking migration changes, reviewing priority values, and confirming whether a domain is pointed to the expected mail service before deeper SMTP or inbox troubleshooting.

Example pages are especially useful for network tools because they show what good input looks like, what kind of output to expect, and how the tool behaves in common scenarios.

MX Record Lookup examples

Check MX records for a business domain

Input

example.com

Output

Priority and mail server hostnames

Useful for confirming which service is receiving mail for the domain.

Verify a mail migration

Input

mydomain.net

Output

Current MX records with priorities

Helpful when checking whether email routing moved to the new provider.

Check mail setup after DNS changes

Input

projectsite.org

Output

Live MX records currently visible

Useful when troubleshooting whether email changes have propagated.

Inspect priority order

Input

branddomain.com

Output

MX hosts with preference values

Helpful when checking failover order between primary and backup mail servers.

Confirm hosted mail provider

Input

clientdomain.io

Output

MX records pointing to the active provider

Useful when verifying whether the domain is using Google Workspace, Microsoft 365, or another service.

Check a domain with no visible MX records

Input

simpledomain.dev

Output

No MX records found

Useful when diagnosing why email may not be routed as expected.

Malformed domain input

Input

not a real domain

Output

Invalid domain or no MX data found

The lookup fails when the domain format is invalid or cannot be resolved.

Check a newly configured mail domain

Input

newmaildomain.co

Output

Current MX records returned by DNS

Helpful right after onboarding a new domain to a mail service.

How to use these examples

  1. Paste the domain name into the input box
  2. Click Run Tool to fetch MX records
  3. Review the returned mail servers and priority values
  4. Compare the result with the mail provider you expected to see
  5. If needed, follow up with DNS Lookup or TXT-related checks for broader mail troubleshooting

Common mistakes in sample input

Assuming MX records alone prove email will work correctly

Fix: MX records are only one part of mail setup. TXT, SPF, DKIM, DMARC, mailbox provisioning, and provider-side settings may also matter.

Ignoring MX priority values

Fix: Check both the mail hostnames and their priority order to understand primary and backup routing.

Expecting email changes to work immediately after updating DNS

Fix: Allow time for propagation and caching, especially after migration or provider changes.

Confusing MX records with website hosting records

Fix: MX records control incoming mail routing, not website resolution.

Stopping at MX when the real issue is SPF, DKIM, or mailbox-side configuration

Fix: Use MX as a routing check, then continue with broader mail diagnostics if delivery still fails.

Next steps

After reviewing these examples, run the live tool with your own input. If your task involves a follow-up step, the related page can help you move to the next tool in the workflow.

Run the main tool

Open the main MX Record Lookup page and test your own real input.

Open MX Record Lookup