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A network technician receives the following command output from a Linux-based machine:

```
ABCDEG.com 430 IN MX mx1.ABCDEG.COM
ABCDEG.com 5 IN MX mx2.ABCDEFG.com
ABCDEG.COM 430 IN MX mx10.ABCDEG.com
```

What does this output indicate about the mail exchange records for ABCDEG.com?

Answer :

Final answer:

The output is a display of DNS MX records for the domain ABCDEG.com on a Linux machine. The records show three mail servers with different priorities. The server with the lowest priority number is the most preferred mail server.

Explanation:

The output given is related to the DNS (Domain Name System) settings of a Linux machine. There are three DNS MX (Mail Exchange) records displayed, each with different priorities. The syntax of the DNS MX records is as follows: [domain name] [TTL] IN MX [priority] [mail server address].

For example, ABCDEG.com 430 IN MX mx1.ABCDEG.COM means that the domain ABCDEG.com has a mail server mx1.ABCDEG.COM with a priority of 430. The lower the priority number, the more preferred the server. Therefore, based on the information given, the preferred mail server would be mx2.ABCDEFG.com as it has the lowest priority number, 5.

Learn more about DNS MX Records here:

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