DNS servers maintains database for internet and are responsible for looking up hostnames to IP addresses. These servers not only provide additional security but also provides better speed. manual DNS switiching takes a lot of time and it is very hard to determine by our own which DNS server is best for us.
DNS Jumper is a portable Windows Freeware application that helps you to switch between DNS servers easily without having any detailed knowledge about them.
DNS Jumper can also be used to Flush DNS and taking backup. It eases out our work a lot and being a portable application it can be carried and used on any computer conveniently.
Download: DNS Jumper