Which type of DNS record is responsible for email?

Which type of DNS record is responsible for email?

• CName record
• A Record
• MX record
• NS record 

EXPLANATION

A mail exchanger record (MX record) specifies the mail server responsible for accepting email messages on behalf of a domain name. It is a resource record in the Domain Name System (DNS). It is possible to configure several MX records, typically pointing to an array of mail servers for load balancing and redundancy.