Google DNS is an alternative Domain Name System (DNS) to your current DNS provider. To make it simple, DNS acts as a phonebook that converts hostnames (e.g: www.hostname.com) into IP addresses. You then use the DNS to “dial” to the particular website that you are accessing.
If you like this post, you’d probably like other tips of how to bypass blocked website:
In some cases, your government or Internet Service Provider (ISP) might have blacklisted the website. Thus, you are unable to access to it. Using alternative DNS can be quite useful to bypass those blocked website.
Here is some of the reason you should use Google public DNS.
1. Improve security.
2. Speed up your browsing experience.
3. Most importantly, gain access to any website.
Guide to change DNS server:
For Windows users:
1. Open up your control panel.
2. Click into network connections.
3. Find out the active network connection. In my case, I am using wireless connection.
4. Right click the icon and choose properties.
4. In general tab, search for Internet protocol (TCP/IP) and click properties.
5. Default Internet protocol should be automatically obtain IP address and DNS server address. Here, you change DNS server into 220.127.116.11 and alternative DNS server into 18.104.22.168.
5. Press ok and close everything. Right click your active network connection again and repair it to apply changes.
For Mac users:
1. Open up your System Preferences and select Network.
2. Select your active network and click on the Advanced.
3.Click on DNS and type add both 22.214.171.124 and 126.96.36.199 into your DNS servers and you are done.
Extra notes: There are some other free DNS available, but each might differ in its speeds and security. Still, Google DNS is the most common, and widely used DNS server. Google also implemented various approaches in improving browsing speed (by speeding up DNS lookup) and keeping things safe.