Which of the following types of DNS records enables support for email?
A.
A
B.
MX
C.
PTR
D.
AAAA
Explanation:
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A mail exchanger record (MX record) is a type of resource record in the Domain Name System that specifies a mail server responsible for accepting email messages on behalf of a recipient’s domain, and a preference value used to prioritize mail delivery if multiple mail servers are available.
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