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“If you can’t explain it simply, you don’t understand it well enough.” That quote is often attributed to Albert Einstein, and although that attribution is debatable, there is truth in the quote. Domain Name System has its roots back in the 70s and this is maybe the reason why the new age might night follow the concept or it is not easy to understand.

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Dieter Hovorka

CTO, Co-founder, Skillz Middle East

Luckily, the folks at Web Hosting Geeks understand domain name system very well, and they put together a guide that explains DNS simply for those of us who use domain names regularly—including marketers who might be required to come up with domain names for their brands, but don’t know how it all works.

Below in the infographic, you can read also about the History of DNS which roots reach back to 1973. I was only 3 years old and host systems were still state of the art. But a push came later in 1981 when leading experts drafted the first version of DNS and the following year 1982 a group of programmers held a meeting to come up with a solution to relay emails, the foundation was born. The whole system stands and falls with 12 root name servers worldwide. In the age of blockchain and co this does not sound a lot, but it has proven to be perfect.

Top-level domains are the most important once, like dot com which is the most popular. We differentiate between country code to level domains (ccTLD) and general top-level domains (gTLD). While country-specific ones have been assigned once we have a lot of new once which have been created over the time. One of my projects is, as you can see the TLD which is CITY.

The guide includes an infographic that explains how to break down the structure of a domain name and what the most popular top-level domains are and as of 2017 we had 299 million domain names registered on a global level.

The infographic also dives into the difference between IPv4 and IPv6 addresses and illustrates more of the technical aspects of DNS, such as how a recursive server works and what the function of DNS is.

To learn more about Domain Name System (DNS), click on the image to see the full infographic:

The Domain Name System (DNS) Complicated Technology Explained in Simple Terms

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