Domain Name System Slideshare

The domain name system comprises of domain names domain name space name server that have been described below.

Domain name system slideshare. Source we do so because it is easy to remember names than to remember long decimal numbers. The dns is a supporting program that is used by other programs such as e mail. Domain name system course title. If you continue browsing the site you agree to the use of cookies on this website.

The nodes of this database are the name servers. There are several domain names available. A user of a e mail program may know the e mail address of the recipient. Domain name is a symbolic string associated with an ip address.

Domain name system definition the dns translates internet domain and host names to ip addresses. Domain name system presentation 1. Domain name system 1. Introduction the internet model that follow the client server paradigm.

Design principle of dns the naming system on which dns is based is a hierarchical and logical tree structure called the domain namespace. Dns automatically converts the names we type in our web browser address bar to the ip addresses of web servers hosting those sites. An organization obtains authority for parts of the name space and can add additional layers of the hierarchy in practice allocation of the domain names generally follows the allocation of ip address e g. 0 number of embeds.

This is presentation on domain name system. 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. 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. This was originally created as seminar presentation.

Dns domain name system name service in internet zone is an administrative unit domain is a subtree. Dns domain name system 2. Each domain has at least one authoritative dns server that publishes information about that domain and the name servers of any domains subordinate to it. Management information system mis slideshare uses cookies to improve functionality and performance and to provide you with relevant advertising.

The domain name system is maintained by a distributed database system which uses the client server model. 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.