DNS is the abbreviation of Domain Name Servers which is Internets equivalent of a phone book. DNS keeps record of domain names and translate them to IP (Internet Protocol) addresses. This is important because domain names are easy for users to remember, computers or equivalent machines, accessing websites based on IP addresses.
To change default DNS settings in Windows means to change the servers that Windows communicates with to turn a websites hostname like www.abc.com into its IP address – 220.127.116.11.
The default settings of DNS servers in windows can be sometimes be the main cause of some types of problems in Internet; so trying different DNS servers or addresses in Windows can be helpful during the troubleshooting process of Internet problems.
Most of the computers (PC or Laptop) in home and workplace have default DNS settings which are automatically assigned by DNS servers via DHCP.
How to Change Default DNS Addresses or Settings in Windows 7
Whenever there is problem communicating with Internet we have to try different settings of DNS. Below are the instructions to change default DNS settings with the ones we choose in Windows 7.
Step 1 : Open the Control Panel in Windows 7, which can be opened from the Start Menu in right side.
Step 2 : Now choose Network and Internet option from Control Panel. If the option of Network and Internet is not visible then we can search from top right box named Search Control Panel; there we have to type Network and Sharing Center.
Step 3 : Click on Network and Sharing Center option; there we have to look for Change Adapter Settings option present in the left side of screen.
Step 4 : from the Network Connection window, click on the network that you use to connect to the Internet. From this option you can change the DNS setting. In Windows 7, wireless connections are labeled as Wireless Network Connection, and wired ones are labeled as Local Area Connection.
Step 5 : Select the properties option from the connections status window.
Step 6 : Double click on Internet Protocol Version 4 ( TCP/IPv4 ) from the list of options on the connections properties window.
Step 7 : In Internet Protocol version 4 option; click on the properties button.
Step 8 : Now, after clicking a window will pop – up; there we have to select Use the Following DNS server Addresses by clicking in the bubble beside the option.
Step 9 : Now we have to enter Preferred DNS Server and Alternate DNS Server in the blank areas provided beside the options.
NOTE :- Only one DNS Server is required, which we enter in Preferred DNS Server option. However, it is recommended that you should enter at least two, with the second in the Secondary DNS Server area. You can mix DNS servers from different providers, as well as enter more than two DNS servers using the blank areas found within the Advanced TCP/IP settings area, which you can open by clicking on the Advanced… button.
Step 10 : Now, click OK button to confirm the DNS setting you provided, which gets affected immediately.
Step 11 : Now, you can close all the windows that are open; since the changes you made are confirmed. Now, we can visit different websites to make sure that DNS settings is saved.
How to Change DNS Servers on Routers
Procedures to change DNS settings on Routers; here we take example of Linksys EA8500 Router. We can change the settings from the setup menu of Router.
- Log in to Routers web-based view; example http://192.168.1.1.
- Click on the Setup button from the menu present.
- In the Static DNS 1 field, enter the primary DNS server according to our choice.
- In the Static DNS 2 field, enter the secondary DNS server according to our choice.
- The Static DNS 3 field may be left blank if we want to or we can add a primary DNS server from another provider.
- click on the Save Settings button present at the bottom.
- Now, click on Continue button on the next screen.
It’s all done; now, we have to restart the router to make the changes gets affected.