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Benefits of using Google DNS – and

Google Public DNS
As I write this, 8. If you encounter any problems after setting Google Public DNS as your resolver, please run the diagnostic procedure. You may also find answers on our user group. What do you mean by "unusably slow"? In cases when there is a query for a non-existent or mistyped domain name, users get an NXDOMAIN response, which indicates no known response, to their query. The Google service also addresses DNS security.

Why should you try Google Public DNS?

Google DNS: and Benefits and how to use

Content Delivery Networks CDNs distribute large, delay-sensitive content like streaming videos to users around the world. These protect the privacy of your DNS queries once they arrive at Google, but they can still be seen and potentially modified en route to 8. From the start, we rejected the practice of hijacking nonexistent domain NXDOMAIN responses , working to provide users with accurate and honest DNS responses, even when attackers tried to corrupt them.

When we launched 8. Starting in , the internet started to use DNSSEC security in earnest, making it possible to protect cryptographically signed domains against such man-in-the-middle and man-on-the-side attacks. We are also exploring how to improve the security of the path from resolvers to authoritative name servers—issues not currently addressed by other DNS standards. There is no one person in control and there is no single point of failure or compromise.

Please note I'm not saying don't use Google, just don't put all your eggs in the same basket. Why not use 8. Perhaps you aren't all "tin foil hat" yet; but Google internally is wondering if you should be. There was an internal Google document leaked recently where they ponder if they should start mining all the data they possibly can. Udp is connectionless protocol, so it means if you have lots of hop's networks to travel to google dns you will lose packet or two.

Lost packets in your case mean delay so I would stick to closest DNS you can find to get faster response. Use your ISP's DNS servers they are closer to you, and they are less likely to be monitoring your traffic than google is. DNS makes a huge impact for user experience. The only downside from my point of view is that you may notice poor performance for sites that use CDNs.

The privacy issue is a non-starter for me. The only difference between Google monitoring your activities and your ISP is that Google is probably better at getting actual value out of the data.

The only way to really decide is to benchmark it. It is going to be different depending on your connection. You should use a tool like http: Google DNS is great but they do go down on occasion. As I write this, 8. For a personal computer, I recommend Google because they are fast and they will give you an error if there is a failure unlike most ISPs which will take you to an annoying search page.

You can call your DC in the event of an outage whereas Google cannot be contacted and is responsible for nothing.

Home Questions Tags Users Unanswered. Torben Gundtofte-Bruun 2 8 That's a big assumption you're making. You could interpret "we" as just the people in this household or organization. I'm not trying to rewire the planet: You asked "why shouldn't everybody use Google DNS" when the answer is primarily based in security concerns.

That'd be like asking "why should people lock their doors" and getting mad when the answer is "to keep people out". Kami 1, 9 What a handy tool, even after all these years. Doug Luxem 8, 7 43 Yup, that would make sense for larger organizations, though not for consumers. If you are asking about consumers, you are on the wrong site. Why on earth would you think dns caching wasn't a consumer grade thing?

Roll back the DNS changes you made and run the tests again. If the tests still do not work, then there is a problem with your network settings; contact your ISP or network administrator for assistance. If you encounter any problems after setting Google Public DNS as your resolver, please run the diagnostic procedure. This will revert your settings to using your ISP's default servers.

If you need to manually specify any addresses, use the procedures above to specify the old IP addresses. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3. For details, see our Site Policies. Last updated June 3, Home Guides Support All Products. For such fields enter: 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.

Select Use the following DNS server addresses. Test that your setup is working correctly; see Test your new settings below. Repeat the procedure for additional network connections you want to change. If the lock icon in the lower left-hand corner of the window is locked, click the icon to make changes, and when prompted to authenticate, enter your password. To change the settings for a wireless connection, select Airport , and click Advanced.

Select the DNS tab. To change the settings for an Ethernet connection, select the Wired tab, then select your network interface in the list.

It is usually called eth0. To change the settings for a wireless connection, select the Wireless tab, then select the appropriate wireless network.

Using Google's Public DNS provides increased security

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