From the course: Microsoft Azure Administrator Associate (AZ-104) Cert Prep by Microsoft Press

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Introduction to DNS in Azure

Introduction to DNS in Azure

- [Brett] Understanding how DNS works in Azure is important, 'cause there are multiple services that provide DNS, and DNS itself can be used across a wide range of components, from virtual machines to web apps and containers. First, a brief introduction to what DNS is. DNS, or Domain Name System, is a hierarchical and decentralized naming system used to translate human-readable domain names, like www.contoso.com, into IP addresses, like 198.168.34.15, the computers use to identify each other on the network. It is hierarchical in that each period denotes a particular domain, and each subdomain is a child of the parent domain. So in this example, dot com is the root domain and contoso is the subdomain. Usually, we would register a name like Contoso with the registrar who records it with the dot com domain provider. Once you have control over your own domain, so for example, Contoso, you can then register your own subdomains yourself, so for example, WWW. In this way, once you have a…

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