Whether your an IT Pro or just an average computer user, you are most likely familiar with something called DNS. You have likely gotten an error message in your browser indicating a DNS lookup failed, or have read an article mentioning DNS, or even had a computer technician walk you through verifying your computer’s DNS settings. If you are in IT, then you have most likely even encountered DNS in troubleshooting or while setting up a website or email server. After reading this post, you’ll have at least a good understanding of DNS, what it is, how it works, why it is important, and why things can break so easily when there is a DNS problem.
