Domain Name System Components

The top level domain is the furthest portion to the right as separated by a dot.

Domain name system components. A top level domain or tld is the most general part of the domain. In simple terms a domain name system dns is a collection of databases that translate hostnames to ip addresses. The first is a name space that establishes the syntactical rules for creating and structuring legal dns names.

The internet maintains two principal namespaces the domain name hierarchy and the internet protocol ip address spaces. The domain name system maintains the domain name hierarchy and provides translation services between it and the address spaces. The dns has three major components.

A 2 b 3 c 4 d 5. It cannot be neglected that human find it easy to remember names rather than numerical ip addresses. Top level domains are at the top of the hierarchy in terms of domain names.

The dns consists of three components. Dns consists of the following components. The domain name structure and domain name system were developed to organise and find the ip addresses of computers on large distributed networks.

The naming convention moves from right to left and vice versa for ip addresses. In the domain name for google first the dns will check for com which stands for the commercial domain and is a. Common top level domains are com net org gov edu and io.

Internet name servers and a communication protocol implement the domain name system. Before the domain name structure was developed computer names and ip addresses were mapped using a flat list and stored in a simple text file called the hosts file. The second is a globally distributed database implemented on a network of name servers.