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DNS Basics

Explore the fundamental concepts of DNS and how it supports AWS routing. Understand domain registration, DNS records such as A-records, CNAME, NS records, and TTL. This lesson helps you grasp how DNS resolves domain names to IP addresses and manages traffic direction within AWS environments.

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DNS – basics

DNS is fundamentally used to convert human-friendly domain names to IP addresses. For example, www.xyz.com gets translated into http://18.125.38.x.

Domain registrars

As all domains in a top-level domain (i.e. com, .uk, .gov) need to be unique, there ...