what is DNS

(1) Short for name System (or Service or Server), an online service that interprets domain names into IP

addresses. as a result of domain names square measure alphabetic, they are easier to recollect. the net but, is actually supported IP addresses. each time you employ a site name, therefore, a DNS service should translate the name into the corresponding IP address. for instance, the name web.example.com may translate to 198.105.232.4.
The DNS system is, in fact, its own network. If one DNS server does not savvy to translate a selected name, it asks another one, and so on, till the proper IP address is came.
(2) Short for digital systema nervosum,a term coined by computer scientist to explain a network of non-public computers that build it easier to get and perceive info.