What Is A DNS Server & How Can It Speed Up Your Internet?!?
35In this video, I show exactly what a DNS server is and how changing your DNS server can speed up your internet. There are tons of different public DNS options, but how do they actually speed up your internet and how does a DNS work anyway? Well, good thing you found this video because we tell what a DNS server and how it can make your internet faster in it!
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About this video: This video tells you exactly what a DNS server is and how it can speed up your internet if you change your DNS server. Changing your DNS is actually one of the simplest and easiest ways to improve your internet speed, and I explain why that is in the video.
So what does DNS stand for anyway? Well, DNS stands for the 'Domain Name System', and it basically underpins the entire internet. It works in the background without us even knowing it taking domain names, like https://TheBreakdown.xyz, and linking them to computer-readable numerical IP addresses. DNS does this by looking up that information on a system of linked DNS servers across the Internet.
Basically, domain names are the human-readable website addresses we use every day. For example, TheBreakdown's domain name is https://TheBreakdown.xyz. If you want to visit our website you just need to enter https://thebreakdown.xyz into your web browser’s address bar. The thing is though, your computer doesn’t understand where “thebreakdown.xyz” is. Behind the scenes, the Internet and other networks use numerical IP addresses. If you typed an IP address directly into your web browser’s address bar, you’d also end up at the website associated with that address.
DNS servers match domain names to their associated IP addresses. When you type a domain name into your browser, your computer contacts your current DNS server and asks what IP address is associated with the domain name. Your computer then connects to the IP address and retrieves the right web page for you.
The DNS servers you use are likely provided by your Internet service provider. If you’re behind a router, your computer may be using the router itself as its DNS server, but the router is forwarding requests to your ISP’s DNS servers.
Computers cache DNS responses locally, so the DNS request doesn’t happen every single time you connect to a particular domain name that you’ve already visited. Once your computer has determined the IP address associated with a domain name, it will remember that for a period of time, which improves connection speed by skipping the DNS request phase.
The thing is though different DNS servers can have different effects on your internet's speed and security.
Now, you’re probably using your ISP’s default DNS servers. However, you don’t have to. Instead, you can use DNS servers run by a third party. Three of the most popular third-party DNS servers are OpenDNS, Google Public DNS, and CloudFlare's speed and security optimized DNS system.
In some cases, these DNS servers may provide you with faster DNS resolves and thus speeding up your connection the first time you connect to a domain name. However, the actual speed differences you see will vary depending on how far you are from the third-party DNS servers and how fast your ISP’s DNS servers are. If your ISP’s DNS servers are fast and you’re located a long way from the third party provider's servers, you may see slower DNS resolves than when using your ISP’s DNS server. It really all just depends.
With that being said, I hope this video did teach you what a DNS server is, how it works, and how it can speed up your internet. If it did, please give the video a thumbs up and be sure to subscribe to the channel if you haven't already. It really helps us out. Thank you very much in advance!
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