Google Public DNS – Good or Bad ?

By
Sergey Babkevych
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Google-Public-DNS
Google Public DNS

Google Public DNS – Good or Bad ?

 

Google Public DNS is a free, global Domain Name System (DNS) resolution service, that you can use as an alternative to your current DNS provider.

For example, you may configure your router or your LAN to use Google public dns records .

According to internal statistics Google DNS, 70% DNS-query comes from outside the United States.

The company aims to speed up DNS, and so in 2011 together with OpenDNS and other companies took the initiative for a new extension protocol DNS, which is intended to more effectively direct users to the closest CDN endpoint. This extension is already support multiple companies, including Google.

 

If you want to find out How to Resolve DNS to IP address you can follow these steps:

  1. Click Control Panel
  2. Double click Network Connection
  3. Right click on Wireless or Local Area Network (the network connection windows will open. You will the see : This connection uses the following items: scroll down until you see the Internet Protocol (TCP/IP) item and left click this once)
  4. Click Properties
  5. Click Advanced
  6. Click on the Option tab on top->you should see TCP/IP filtering in the Optional settings
  7. Click on Properties on this tab->Permit all should only be the one with radio button (green) on all three that you should see, the box on the Enable TCP/IP Filtering (All Adapters) should be left blank.

 

IP Google Public DNS

8.8.8.8
8.8.4.4
2001:4860:4860::8888
2001:4860:4860::8844

 

DNS settings are specified in the TCP/IP Properties window for the selected network connection.
Example: Changing DNS server settings on Microsoft Windows 7

  1. Go the Control Panel.
  2. Click Network and Internet, then Network and Sharing Center, and click Change adapter settings.
  3. Select the connection for which you want to configure Google Public DNS. For example:
  4. To change the settings for an Ethernet connection, right-click Local Area Connection, and click Properties.
  5. To change the settings for a wireless connection, right-click Wireless Network Connection, and click Properties.
  6. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
  7. Select the Networking tab. Under This connection uses the following items, select Internet Protocol Version 4 (TCP/IPv4) or Internet Protocol Version 6 (TCP/IPv6) and then click Properties.
  8. Click Advanced and select the DNS tab. If there are any DNS server IP addresses listed there, write them down for future reference, and remove them from this window.
  9. Click OK.
  10. Select Use the following DNS server addresses. If there are any IP addresses listed in the Preferred DNS server or Alternate DNS server, write them down for future reference.
  11. Replace those addresses with the IP addresses of the Google DNS servers:
  12. For IPv4: 8.8.8.8 and/or 8.8.4.4.
  13. For IPv6: 2001:4860:4860::8888 and/or 2001:4860:4860::8844
  14. Restart the connection you selected in step 3.

 

🙂