The country has been planning several DNS tests already, with many speculating that their ultimate goal is to do what China has done, but do so under the guise of “guarding against foreign attacks” in case another country tries to disrupt the country’s Internet as a whole.
Perhaps unsurprisingly, Russia has been building momentum to do the same. In many ways, this allows China to have their own Internet, keeping all traffic “in-house,” as every DNS query remains within the country’s own network, allowing the government to monitor (and censor) any and all traffic using this default DNS. Unfortunately, some restrictive countries opposed to true freedoms have always been aware of this, leading nations such as China to build their own DNS server network, rather than rely on the ones the rest of the world uses. 4 How Important is DNS?ĭNS servers are the backbone of the modern Internet, acting as a phonebook directory and/or switchboard of sorts. If that domain name and IP isn’t cached, the resolving name server will then query the root nameservers for the TLD for that domain, which then directs it to the provider in charge of it, and then relays back to your browser. If the domain is a popular site like Google, it will already be in the cache, making the process short. That resolving name server is usually your ISP ( Internet Service Provider). When you type in a domain name and hit ‘enter’, your browser will first query your local resolving name server and “ask” if it has its DNS records in a cache. Now that you know what a DNS is, and what it does, let’s see the process in action. Nameservers are located all around the world, and each set is responsible for storing an assigned top-level domain, also known as a TLD.įor those who don’t know what a TLD is, it’s the final part of the domain name, such as. These special servers store DNS records, which is really just a tiny file that links the IP to its domain name. Okay, so DNS links IP addresses to their respective domain names this is a process in and of itself, with the info being stored on nameservers. Wondering what all this has to do with your online privacy? Bear with me for a bit longer. This is actually how the Internet was before a man named Paul Mockapetris came up with DNS in the early 1980s (thanks Paul!) Without DNS, every website address would basically look like a really long and complicated phone number. DNS is what saves us from having to memorize long sets of numbers as website URLs, using their names instead.
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At its most simple definition, DNS is what converts a domain name into the actual IP address when using the Internet.įor example, we know as, but the actual IP address of Google’s site is a series of numbers, since computers and networks can only communicate using numbers. 1 What is DNS?ĭNS is an acronym for Domain Name System. So, let’s start by defining what DNS really is and go from there.
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With that said, a full comprehension of how DNS works, what DNS leaks are, and the many ways to prevent them is much more helpful, and puts you in a better position to make sure your connection is always secure.
If you value your online privacy, it’s certainly true that a DNS leak is never a good thing, and we should always do what we can to prevent it from occurring in the first place.
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