Network Tools
Find clear answers to common questions about MX Lookup, including usage, output, and common issues.
Use this MX lookup tool to check the mail exchange servers configured for a domain. It is useful for email routing checks, mail setup validation, DNS troubleshooting, and verifying whether mail records point to the expected servers.
MX Lookup is useful for quick network checks, validation, and troubleshooting when you want a simple browser-based result.
An MX record tells email systems which mail servers receive messages for a domain.
You can use it when setting up email, fixing delivery issues, or confirming mail routing.
It is useful for email configuration, troubleshooting delivery problems, and DNS verification.
Yes. It works online in the browser.
Use MX lookup when you need the mail-server routing records. Use TXT lookup when you want SPF, verification, or other text-based DNS values.
MX Lookup is useful for quick network checks, validation, and troubleshooting when you want a simple browser-based result.
Start by checking the input format, removing accidental spaces or unsupported characters, and comparing your input against the example pattern on the page.
Fix: Use the bare domain name when checking MX records.
Fix: Check whether the domain uses direct A-record fallback or is simply not configured for mail.
Fix: Remember that MX records show mail servers, not email-authentication text records.
If you want to see realistic input and output patterns, open the examples page. If you want step-by-step usage guidance, open the guide page.
Open the main MX Lookup page to test your own input and generate a live result.