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What is the best way to lookup MX records for a domain from the command line?

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4 Answers

up vote 26 down vote accepted

3 options, in order from least to most verbose:

host -t mx mydomain.com
nslookup -q=mx mydomain.com
dig -t mx mydomain.com

The difference is largely a matter of personal preference; I tend to use host, but if you want full details about exactly what you're getting back from the server, dig is the way to go.

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No, the option the LEAST verbose is dig +short MX mydomain.com –  bortzmeyer Sep 21 '09 at 7:19
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nslookup -q=mx mydomain.com

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dig -t mx mydomain.com will work as well.

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It's easier to use online mx lookup tool like

http://www.adminkit.net/mxlookup.aspx

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The question explicitly asks about command line. The online service opened in a text terminal in browser like links is not very well arranged. –  pabouk Nov 5 '13 at 12:16
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