A record in a domain name database that identifies the mail server responsible for handling emails for that domain. Network Operations Center (NOC) A centralized location and its staff that is responsible for the operational aspects of running a production network. These tasks include monitoring and control, troubleshooting, and user assistance.
A DNS resource record type indicating which host can handle mailfor a particular domain. See also: Domain Name System, ElectronicMail.[Source: MALAMUD] mail exploder
The Domain Name Service resource record type indicating which host can handle mail for a particular domain or host.