How DNS work on the internet?
I’m sure you probably heard about DNS stuff if you visit this page. But if you wonder how the entire mechanism works, I will try to do my best to explain the entire mechanism behind the DNS factory 🙂
First you need to understand how the internet really work. Whenever you type an address, like google.com your computer will translate this address into a numeric address called by geeks IP ADDRESS. Don’t get scared, the IP address is like a phone number you used to call. I’m sure if you’ll be lost without your phone agenda, and you won’t be able to memorize the entire phone numbers stored there. DNS server is a phone agenda, and whenever you try to call a “name”, he will try to find the “phone number” behind that name.
It’s a smart technology but also a weak point of the Internet. DNSes gets exploited too often by hackers to drive traffic to a specific website. They simply needs to change the “phone number” and when computers start to ask for the phone number, they receive the new number put there by hackers.
Ok, if you got it by now you should know that you can use some public “phone books” (aka DNS servers). Some of them can even protect your computer from malware website, inappropriate content and so on. It’s good to use a public DNS, like google public DNS server.
How you can change the DNS from your computer ?
Well, that’s a simple task, really. Right click on your current internet connection from your task-bar and click on “Open Network and Sharing Center”.
From there, click on “Change adapter settings”. A new window will be opened where you’re going to see your adapters (wifi, ethernet and so on).
Select the device you want to set and press the right click on your mouse. On the new menu select “Properties”
Select Internet Protocol Version 4, and double click on it. Now you should see the image presented below:
Click on “Use the following DNS server addresses” and use the servers listed there. When you’re done, just press ok and you’re good to go. Now you will use the google DNS’es. Really simple isn’t it ?