From the course: Deploying and Configuring Core TCP/IP Services
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Understanding DNS architecture - Windows Server Tutorial
From the course: Deploying and Configuring Core TCP/IP Services
Understanding DNS architecture
- [Instructor] DNS stands for Domain Name System and is a hierarchical naming system that maps domain names to their respective IP addresses. This technology enables users to type a recognizable name like www.linkedin.com instead of the organization's IP address. In simple terms, DNS is responsible for performing the conversion of host names to IP addresses which makes traversing any intranet or internet easy for the end user. There are three main parts to DNS: the namespace, the name servers, and the resolvers. Let's start with the namespace. The DNS namespace is made up of domains. It has a root and below that are top level domains like .com and .edu. Others include .org, .gov, .mil, .net, .biz, and more. As shown here, each top level domain contains second level domains. Examples of second level domains are Yahoo, Amazon, PBS, and so on. LinkedIn is a second level domain as well. Below these second level domains are…
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