Domain Mail Server/Exchanger (MX Records) Lookup

Helpful Information about MX records
Internet Email systems rely on DNS MX Records to transmit Emails between domains (known as zones in DNS jargon). The MX Record in the host known as the Mail Exchanger (Mail Server) that is responsible for receiving the emails bound for that particular domain. Domains can have multiple MX Records, each normally specifying a different host with a priority level. Hosts with lower priority level are to be contacted first as emails arrive. If a domain (zone) does not have a specified MX Record, the A Record (Address Record) for the zone is normally used as the Mail Server/Exchanger host.