Domain Name Server (DNS)

A Domain Name Server is a computer designated to holding a list of domain names and their corresponding IP addresses. For the purposes of SmarterMail, some Domain Name Servers hold a list of domain names and IP addresses associated with mass spam mail outs. SmarterMail makes it possible for Administrators to enter the URL and take advantage of these Domain Name Servers to filter out mail from known spammers.

A server within the Internet network that performs translation between fully qualified domain names and IP addresses according to the domain name system. [2382-pt.35] 2. A server that retains the addresses and routing information for TCP/IP LAN users.