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I am getting errors like: 

ERR Name Resolution Failed  
ERR tunnel connection failed  
DNS probe finished nxdomain

I am using airtel broadband connection.

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  • 2
    Could you provide additional information? When do these happen? What have you tried? Have you contacted the provider?
    – Raystafarian
    Mar 18, 2016 at 6:45

2 Answers 2

Reset to default
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+25

DNS_PROBE_FINISHED_NXDOMAIN is a DNS related error, perhaps related to your Internet supplier (ISP).

Some more information would be useful about your operating system, geographical location, ISP and router model. Without that information, I would guess that you are on Windows.

To change your DNS servers from your ISP to Google, do this :

  1. Type simultaneously Windows + R, enter ncpa.cpl and click OK to configure the network connections.
  2. Right-click your network adapter and choose Properties.
  3. Turn off IPv6 by unchecking Internet Protocol Version 6 (TCP/IPv6).
  4. Click "Internet Protocol Version 4 (TCP/IPv4)" and then Properties.
  5. Enter the following addresses :
    Preferred DNS server: 8.8.8.8
    Alternate DNS server 8.8.4.4
  6. Click OK until all dialogs are closed.

  7. In a Command Prompt run as administrator, enter these commands : 

    ipconfig /release
ipconfig /flushdns  
ipconfig /renew
netsh int ip set dns
netsh winsock reset

  8. Reboot.

  9. If the problem continues, reset Chrome : Type chrome://flags/ in address bar and press Enter.
  10. Click Reset all to default button (right side) and re-launch Chrome.
  11. If the problem continues, power the router off and on again.

If the problem still continues, try to see if it arrives with another browser than Chrome.

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  • My OS is win 10 & router is asus n10e , india. The problem was with all browsers. I changed the router and problem solved. I used the router at other place and internet connection went down after a day ! I wonder if the router is broken ?
    – superb1
    Mar 29, 2016 at 11:28
  • Impossible to say from over here - I don't know enough about your environment. If it keeps on having problems, then you might assume it's broken or at least unreliable.
    – harrymc
    Mar 29, 2016 at 11:45
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You can also try to use Chrome connectivity diagnostics app to check most steps above. This tool should give you a quick root cause on the issue and maybe help you find answer faster.

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