) the domain name system[(Domain Name System), etc. (abbreviated DNS) is called the military hierarchy for the computers and other resources connected to the internet or other networks, which in 1984 introduced.

When you want to enter a site. must be a server address to know. Address of the web server with the IP addresses specified. But remembering IP addresses difficult. Can be used instead of IP addresses from domain names. For any IP addresses a domain name is considered. For example, address IP site,, Google, 173 of 194, the 33 of 104. For access to Google can from this address IP or domain name, it means www.google.com use.

In , the address of the internet within the banks distributed intelligence are no retreat on a particular spot of the network. Method name translation so that when an application is forced to make a. equivalent to IP addresses of a machine with a name like cs.ucsb.edu to bring, before anything, a function library (Library Function) sound people. to this library function, the function of the analyst name (English: Name Resolver) is said to be. The function of the analyst name, an address, symbolic that must be translated, etc., as input parameters accepted and then a package request to: Query Packet), UDP has produced and to address, a server DNS (which by default are specified to be) sent. All of the host machines, etc. should at least address the IP from a service provider at the discretion of the. This is a provider local after the search, address IP equivalent with a symbolic name returns. The function of the analyst name also it address IP to application delivery, gives the address of the IP-application can Operation his will continue.