Running an uptime monitoring service as we do, over time it’s become obvious to us that a large portion of website problems are caused by DNS issues, and in many cases those issues were a direct result of bad DNS settings. In other words, there is a lot of downtime and other website errors that could have been avoided if the DNS servers of that website had been correctly configured from the start.

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The .com top-level domain has dominated the Internet pretty much from the start, and that’s still the case. But how strong is this dominance? After all, there are now approximately 200 million registered domain names, and less than half of those are .coms.

To find out what the current situation looks like for actual, popular websites, we’ve looked at this from two different perspectives:

• The top 10,000 websites in the world.
• The top 10,000 websites in the United States.

This article will show you the distribution of top-level domains (TLDs) among these top websites to show you how widely used .com is today, and how the other top-level domains are doing by comparison.

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Domain names, without them the web would just be a bunch of hard-to-remember IP addresses. Imagine telling your buddies, “Oh, I found this awesome site at 72.14.204.104 last night.”

And yet, many of us don’t know all that much about them. Prepare to be cured of that, because here is…

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We stumbled upon an interesting statistic the other day: According to DomainTools there are more than 380 million deleted gTLD domain names, i.e. domain names that at some point have been registered but no longer exist. More than 80% of those are .com domain names.

This number needs to be put into perspective to understand how unnaturally large it is. The total number of active gTLD domain names (.com, .net, .org, etc.) today is about 118 million. We find it hard to believe that on top of these, there would have at some time existed another 380 million legitimate domain names.

So how did that number become so large? The answer is quite simple: domain tasting.

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Most reasonably technical Internet users have a pretty good idea what DNS is, but what actually happens when you look up a domain name is not always so clear. For those of you who are a bit uncertain of how it works (or just like geeky server charts), we found an excellent picture describing the chain of events of a DNS lookup.

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Every year, companies find that someone has registered domain names involving their trademarks, or variations of their domain names that are confusingly similar to the original. If a solution can’t be found by talking to the registrant of the offending domain name(s), a formal dispute usually follows.

WIPO, the World Intellectual Property Organization (an agency of the UN), has an arbitration and mediation center for domain disputes, and they continually publish the results of these disputes, as well as related facts and figures.

We have summarized some of the most interesting data in this article, and we have also tried to figure out the underlying reason for the increase in domain disputes. Well, at least we have a pretty good theory involving Google AdSense…

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