While discussing about the working of the DNS, there are many things which need to consider and play Avery significant role. This can the type of communication between the systems, protocol used type of request etc. DNS which is simply stands of rate Domain Name server, the name itself reflects the working of the system. IT translates the domain name for the requested urn of can say the IP address. As on Internet, every machines, whether it u a client or server is identified with the unique address which is neither identical not common. This unique address also known as the Internet Protocol address of simply the IP address enables the DNS to locate the desired pages form the n number of servers or sites. The Ip address is generally 16 bit or 32 bit address, which again almost next to impossible of the human to remember ip address of all the desired websites. This facility is generally offered by the DNS to the humans. This is the major task which is performed by the DNS.