What type of record does DNS use to find a mail service?

The correct answer is C. Mail Exchanger (MX) DNS record. 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…

Understanding Protocols and Services

Question

Options

AService (SRV) DNS record
BCanonical (CNAME) DNS record
CMail Exchanger (MX) DNS record
DHost (A) DNS record

How the community answered

(21 responses)

A
5% (1)
C
86% (18)
D
10% (2)

Explanation

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. The set of MX records of a domain name specifies how email should be routed with the Simple Mail Transfer Protocol (SMTP).

Topics

#DNS records#MX record#mail exchanger#email routing

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