DNS

WWW or no-WWW

Update: With ALIAS records widely available, this is a moot point as there’s no benefit to using WWW at this point. Case-in-point: I’ve switched to no-WWW!

Should you use the www. prefix in your domain name or not?

Here are a few reasons why I think you should.

1. Using a Content Delivery Network (CDN)

As your website grows larger in scale (or for reliability / DDOS mitigation), you may need to use a CDN. CDNs work by caching your website content on a variety of servers around …

DNS Basics for Developers

Overview

When I first worked with DNS I was a bit confused, but it’s actually a very simple system.

DNS is essentially a key-value store that maps records pertaining to your hosting environment with bits of data needed to interact with it, such as where to find your server and how to connect to it.

The majority of the time, DNS is being used by browsers to connect to your website, so let’s look at it from that perspective.