DNS Resolution is not working

Fig57
Fig57 Member Posts: 5
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in CenturyLink #1
I installed a new DSL modem and now I keep getting an error on Fing desktop that says Primary DNS worked, but secondary DNS failed. Does anyone know what this means and how I would fix it?
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  • Marc
    Marc Moderator, Beta Tester Posts: 3,081
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    #2
    Hi @Fig57, in most router configurations, you have at least 2 DNS entries...  A primary and secondary at minimum so in case one fails, the other can still resolve addresses.  Fing is looking at that configuration and it must be seeing that the secondary is not resolving properly.  Do you have access to your router configuration and can you tell us what the secondary is pointing to?
    Thats Daphnee, she's a good dog...
    Robin_Ex_Fing
  • Fig57
    Fig57 Member Posts: 5
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    #3
    Hi Marc, thanks for the response. I've been watching my laptop and the issue appears to have resolved itself because the warning no longer appears. It never would show up when I ran Fing on a mobile device, only my laptop and now it's not coming up there anymore either. Thanks again!
    Marc
  • Fig57
    Fig57 Member Posts: 5
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    #4
    And now it appears to be back... the entire error message says:
    DNS resolution is not working: Primary DNS worked, but secondary DNS 205.171.2.26 failed. Test domain apple.com resolved by 192.168.0.1


  • Robin_Ex_Fing
    Robin_Ex_Fing Member Posts: 5,293
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    #5
    Hi @Fig57
    It seems like the DNS resolution is not configured correctly on your router. When the Fing desktop run the scan and it identified any unreliable DNS resolution, it warns you. If you configure dns resolution with 8.8.8.8 on your router then I think it will stabilize.
    Robin (Admin at Fing)
    Getting Started? Please refer to Community guidelines & Community User Guides. HAPPY POSTING!!!
  • Marc
    Marc Moderator, Beta Tester Posts: 3,081
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    #6

    One small suggestion. If your going to use google as your sole dns provider, use 8.8.8.8 as your primary and 8.8.4.4 as your secondary. That is googled recommended configuration.

    Thats Daphnee, she's a good dog...
    Robin_Ex_Fing
  • Fig57
    Fig57 Member Posts: 5
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    #7
    Thank you both!! I gave that a try and will see what happens.
  • Fig57
    Fig57 Member Posts: 5
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    #8
    I'll give that a try, thank you both.
    Marc
  • Mindcrime
    Mindcrime Member Posts: 4
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    #9
    Got the same error on apple.com. Tried ping it. apple.com does not resolve however www.apple.com does.
    Perhaps it's PI-Hole confusing things. I tha=ink I had the same with amazone.com. 
    Is there a way to set the domains Fing uses to check connection/dns resolution? I think I want to switch to domains that will actually resolve always when IP is up and DNS is working. Which is really the cases.

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