A systems administrator needs to know the mail exchange (MX) record for the foo.com domain. Which of the following commands will accomplish this task?

The correct answer is B. dig mx foo.com. The dig command is used for querying DNS information. To retrieve the MX records for a domain (which indicate where emails should be routed), the command dig mx foo.com is used. This returns the mail servers associated with the domain, including their priority levels.

Troubleshooting

Question

Options

Atelnet mx foo.com
Bdig mx foo.com
Cnslookup mx foo.com
Dhost mx foo.com

How the community answered

(39 responses)

B
92% (36)
C
5% (2)
D
3% (1)

Explanation

The dig command is used for querying DNS information. To retrieve the MX records for a domain (which indicate where emails should be routed), the command dig mx foo.com is used. This returns the mail servers associated with the domain, including their priority levels.

Topics

#DNS lookup#MX record#dig command#Network utilities

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