what is domain mx record
n MX record, or Mail Exchanger record, is a DNS record pointing to the server that is responsible for handling email for a given domain. You can send emails without the MX record configured for your domain name, but you will not be able to receive emails without it. It is important that you have working Name Servers so that they can answer queries about necessary domain name records: The following syntax is commonly used by many DNS hosting providers: 1  Host: your domain name. 2  Priority/Preference: number. 3  Destination/Mail Server/Points to: your mailing server name.