named actually executed DNS ( Dynamic naming Service) server daemon. It converts host names to IP addresses and vice versa. There are several different kinds of DNS servers, such as primary server, slave server and cached server etc. Its data is stored in the directory /var/named.The data stored in the DNS is identified by domain names that are organized as a tree according to organizational or administrative boundaries
# /sbin/service named
Usage: /etc/init.d/named {start|stop|status|restart|condrestart|reload|probe}
/etc/named.conf