A domain name is used as an easy way to locate you and your business on the Internet. Typically a domain name will look something like this: my-business.com.
To clear the DNS cache on RedHat Linux, open a terminal window and type:
service named restart
(You need to be root.)
To clear the DNS cache on Mac OS X (10.5), open a terminal window and type:
To clear the DNS cache on windows, you can either reboot, or open a DOS window, and run: