The Domain Name System (DNS) is a hierarchical naming system built on a distributed database for computers, services, or any resource connected to the Internet or a private network.

- Stackoverflow.com Wiki
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If you ever thought a cute comic – complete with suspenseful cliffhangers and crazy characters – about the domain name system was impossible, think again!


DNS isn’t a sexy topic. Unless you’re a network or infrastructure engineer, you probably think as little as possible about it — until something goes wrong. If you run a site and haven’t thought much about DNS, now’s a good time to take steps that can keep your site/services up when your peers go down.