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I changed my router to use Google's public DNS. Now how do I ensure that my router is using Google Public DNS(8.8.8.8) to connect. How do I check what DNS server is being used to connect to the Internet for any service. I am using Windows 7

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This has been asked multiple times on superuser and is very easy to find information via web search. superuser.com/questions/486921/… –  Moses Aug 5 '13 at 21:24
    
Yes but these show my router address each time. I'm not seeing the actual DNS server addres 8.8.8.8 anytime I just keeo seeing 192.168.1.1 I am not sure if the router is using the new nameservers OpenDNS I remember used to have this feature where they could tell if you opened a webpage –  Somesh Mukherjee Aug 6 '13 at 4:05
    
If your computer is showing your router's address for the DNS, then that's exactly what you want. The router is using Google's DNS, and your PC is referring to the router for which servers to use. –  Moses Aug 7 '13 at 3:34
    
i just need a way to be sure. I switched because DNS lookups on a lot of sites were failing. Some DNS lookups still fail, although the number has gone down. just need to be sure –  Somesh Mukherjee Aug 7 '13 at 3:36
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If you see your router address as the DNS for your computer, then you need to log into your router's control panel and look at what DNS entries it is using. –  Darth Android Aug 7 '13 at 20:39

2 Answers 2

up vote 11 down vote accepted

You can do the following steps:

  1. Start up the command prompt (Win + R, enter cmd and press Enter).

  2. At the prompt, enter:

    nslookup
    

The program should display the name and IP address of the default DNS server being used.

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I would also go to the GRC's DNS Nameserver Spoofability Test for some ISP's are now redirecting the DNS requests to their own DNS servers.

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