Domain Name System Protocol Definition. The Domain Name System DNS is a hierarchical and decentralized naming system for computers services or other resources connected to the Internet or a private network. DNS translates domain names to IP addresses so browsers can load Internet resources.
In simple terms a Domain Name System DNS is a collection of databases that translate hostnames to IP addresses. What is the DNS Protocol. When a user enters your domain name into a web browser the browser uses your domain name to search and identify the correct IP address and as a result passes the website associated with that IP address.
Domain names are alphabetic and therefore easy to remember but the Internet is based on numeric IP addresses so a DNS server is required for computers to communicate with one another.
The DNS Domain Name System protocol resolve the IP address against the domain name in the network. Short for Domain Name System DNS is an Internet service that translates domain names to IP addresses. With DNS its possible to type words instead of a string of numbers into a browser allowing people to search for websites and send emails using familiar names. It is an application layer protocol for message exchange between clients and servers.