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The Domain Name System (DNS) can be confusing. It’s the phonebook of the Internet and what maps friendly human names (like cuanswers.com) to their actual Internet addresses (IP address) like 188.8.131.52. To get your website actually online, you need to register your domain name with a Registrar and then set up DNS to point the domain to your web hosting provider. You have to keep all these pieces wired up correctly and don’t forget your email services too. DNS is the glue that binds it all together.
Here’s an 10 part Twitter thread that offers a quick crash course on what the parts of DNS are and why you need them.
Chris Achard on Twitter: “Confused by DNS Records? A, CNAME, ALIAS… Me too 😬 Let’s change that! (cheatsheet at the end) 🔥 DNS Record crash course for web developers 👇” / Twitter