Domain Name Server In Computer Networks
Purpose dns is a host name to ip address translation service.
Domain name server in computer networks. It is an application layer protocol for message exchange between clients and servers. What is a domain name server dns. It is an application layer protocol. Domain names arranged in a tree cut into zones each served by a name server.
The ohio state university raj jain 24 15 name resolution cont each computer has a name resolver routine e g gethostbyname in unix each resolver knows the name of a local dns server resolver sends a dns request to the server dns server either gives the answer forwards the request to another server or gives a referral referral next server to whom request should be sent. Dns is a distributed database implemented in a hierarchy of name servers. It serves to translate a requested domain name into an ip address so that the computer knows which ip address to connect to for the requested contents. Dns domain name system name service in internet zone is an administrative unit domain is a subtree.
Dns is short for domain name service or domain name system. Dns domain name server networking dns is a host name to ip address translation service. And the name server returns the ip address corresponding to that domain name to the host so that the host can future connect to that ip address. It converts the names we type in our web browser address bar to the ip address of web servers hosting those sites.