Domain Name Server Ppt

Name server a host on the internet or on a tcp ip internetwork that can be used to resolve host names into ip addresses.

Domain name server ppt. Secondary servers work as backups and as load distributors for the primary name servers. It software notes edurev is made by best teachers of it software. Domain name server. The resulting set of servers functions as a large coordinated database of names.

Domain name system pptx free download as powerpoint presentation ppt pptx pdf file pdf text file txt or view presentation slides online. 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. Caching servers are just that. They contain no configuration files for any particular domain.

1 4 220 134 in addr apra will return sunc scit wlv. Whenever an application needs to translate a name to an ip address the application becomes a client of the naming system. The domain name system dns is basically a large database which resides on various computers and it contains the names and ip addresses of various hosts on the internet and various domains. This document is highly rated by it software students and has been viewed 198 times.

Here 1 4 220 134 is the ip address that is mapped to its name sunc scit wlv at uk with the help of in addr apra domain. 19 the dns client server model. Types of servers dns primary servers are considered authoritative for a particular domain. May 02 2020 ppt.

What is domain name system dns. An authoritative server is the one on which the domain s configuration files reside. 25 2 domain name. Each server contains information that links the server to other domain name servers.

It is a special domain name in addr apra that is used translate the ip address to fully qualified domain name example. What s server is responsible for or has authority over.