TCT/IP is the concept of internetworking have developed together, each the cause of growth of the other. It operates like a single network connecting many computers of any size and type.
DNS (Domain Name System): The DNS is used to convert the domain name into the IP addresses. To identify an entity, a domain name is used in the internet. It is an organizational level within the internet. A Domain name is your own personal internet address with your own domain name your project a corporate identify that is solely your and not advertising your internet Services Provider (ISP). IP protocol uses the IP address which uniquely identifies the connection of a host to the internet. Domain may be connected together to create a unique identifier for a domain name always proceed left to right, from most specific to most general. The Domain name is divided into three sections.
Generic Domain: The generic domain defines registered host according to their generic behavior. The code indicates type of organization to which domain belongs. In this way you can see at a glance the type of the system to which network belongs. This code is consisting of three characters. Domain level Description Com Commercial Organization Edu. Educational Institution Gov. Government Organization Org Non Profitable Organization Country/Geographic domain: In case of outside the United State, a code is included that indicates to which country it belongs. This code is consisting of two characters which represent international codes. The few common geographic domains are: Au Australia Ca Canada UK United Kingdom In India Dk Denmark It Italy Inverse Domain: It is used to map an address to a name. This may happen for example when a server has received a request from a client to do a task. Whereas the server has a file that contains a list of authorized clients, the server lists only the IP address of the clients. To determine if the client in on the authorize list, it can send a query to the DNS server and asks for a mapping of address to name. Whats my IP address? Check through an online tool: whatsmyipaddress.net. It is the easiest way to find your IP Address, Hostname, Location, Ping and Traceroute.
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