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Viewed 38k times. What is the best way to lookup MX records for a domain from the command line? Gordon Davisson Gordon Davisson Chealion Chealion Sign up or log in Sign up using Google. Sign up using Facebook.
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Featured on Meta. The MX record tells the rest of the internet where to send your email.
Looking Up MX Records
Double click on the Terminal application. Open a command prompt by going to Start, clicking on Run, and in the window that appears type the word command in many versions of Windows typing in cmd will also work and press enter.
- Check Your DNS MX Records | DNS Check.
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In the command line window that appears type the following, substituting the domain name you wish to query for domainname. If the domain has a single MX record like in the screenshot example above you will see a result similar to the following example:. Some domains utilize multiple MX records.
Perform Detailed DNS Lookups with host Command in OS X
This is to ensure that if one email server goes down a different server will handle the email and nothing will be lost. Normally these are listed in order with the smallest number at the top.
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- Perform Detailed DNS Lookups with host Command in OS X?
A small number represents a high priority for that server. For the gmail MX example above, the priority assignments show that gmail-smtp-in.