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Question:
Jack needs to review the mail servers for example.com. Which of the following tools and commands BEST suited for him to determine this?
A
nslookup -query =mx example.com.
explanation
The email servers for a domain are recorded in its MX records. To obtain the MX servers for a domain like example.com, Jack can use nslookup to query the Domain Name System (DNS) by running the command nslookup -query=mx example.com. While ping cannot be used for MX server lookups, both smtp and email are not command-line tools.
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