O'Reilly logo

Learn Amazon Web Services in a Month of Lunches by David Clinton

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 5. DNS: what’s in a name?

As your website grows and more people discover it, I’m sure you won’t be satisfied with having to identify it by its IP address indefinitely. A nice, easy-to-remember name like, say, best-site-ever.com will work much better. Let’s make that upgrade right now.

Under all those bright, cheerful web pages with external links displayed as softly chiseled 3D boxes and identified by catchy, easy-to-remember names, it’s all about numbers. There’s no real place called google.com or wikipedia.org; rather, they’re 172.217.3.142 and 208.80.154.224. The software that does all the work connecting us to the websites we know and love recognizes only numeric IP addresses.

The tool that translates back and forth between text-mad ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required