- , . . IP. , . , . . , DNS (Domain Name System). DNS- , .
, 1983 , 1990 . . , . - . 90- .
, DNS-. - .
DNS, IP . , . , DNS. , DNS . whois.
, DNS . , . . . DNS-, : "ns1..., ns2..., ns3..."
DNS-. DNS -? , "ipconfig /all" . "DNS-", , . , "", "" "cmd". "" - .
- IP- -, "ping". : "Ping < >." -. ip.
DNS- , " DNS?" .