Join James Williamson for an in-depth discussion in this video The DNS and why it matters, part of Web Development Foundations: Web Technologies.
…DNS is one of the most important processes on the web and it's also one…of the most overlooked. Domain name servers, or…DNS, address one of the fundamental differences between…humans and computers. When a web server hosts a website the site is assigned a…unique IP address that's used to identify its…location. The IP address for lynda.com for example…is 22.214.171.124. While computers find working with…these long strings of numbers very, very simple,…humans struggle to remember them. Imagine trying to…remember the IP addresses of every single website…you frequent. So, in order to make the web a little bit more usable for us…humans, every website is also assigned a unique…domain name that's been associated with the site's…IP, and that is where the DNS comes in. Others have described it as the phone book…of the Internet and I really can't think…of a better example than that. When you type…www.lynda.com into your browser, the domain name is…sent to a name server which looks up the…address and then returns the proper IP to your…
- Working with web clients and servers
- Exploring HTTP
- How browsers work
- Structuring HTML
- Controlling presentation with CSS
- Dealing with data
- Working with a content management system (like WordPress)
- Using cloud services
Skill Level Beginner
1. Introduction to the Web
2. Front-End Technology
3. Back-End Technology
4. Assembly Technologies
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