Domain Name System Ppt Slideshare

A user of a e mail program may know the e mail address of the recipient.

Domain name system ppt slideshare. Generic domain country domain inverse domain. Each node in the tree has a domain name. Domain name system dns akshay tiwari. Addresses are used to locate objects names are easier to remember than numbers you would like to get to the address or other objects using a name dns provides a mapping from names to resources of several types 2.

This was originally created as seminar presentation. Ddns automatically updates the dns master. Domain name system 1. Name to address resolution the host request the dns name server to resolve the domain name.

Its structure is an inverted hierarchical tree structure. The dns is a supporting program that is used by other programs such as e mail. Therefore we need a system that can map a name to an address or an address to a name. Introduction the internet model that follow the client server paradigm.

The domain name system overview what is dns. The domain name system is a client server application that identifies each host on the internet with a unique friendly name. Dns domain name system name service in internet zone is an administrative unit domain is a subtree. 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.

Domain name system presentation anchit dhingra. However the ip protocol needs the ip address. However people prefer to use names instead of addresses. The domain name system is usually used to translate a host name into an ip address.

Dns domain name system peter r. This is presentation on domain name system. 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. Domain name system 1.

0 number of embeds. Introduction 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. Dns hierarchy types of name servers how to access a web page. Domain names comprise a hierarchy so that names are unique yet easy to remember.

Domain name system presentation 1. 0 number of embeds. Dns domain name system 2. The domain name system is used to provide information to the domain name service to use when queries are made.

Types of dns queries dns caching why not centralize dns.