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Hardware: Surface Laptop 3 13" Software: Windows 10 20H2, all latest updates installed

Problem: it seems like there is something broken with the DNS resolution. In both Chrome and Edge (latest versions) bing.com or google.com (and auto completion) work fine. Results are found for any search incl. ads. However, every website that I try to open is not reachable when connected to the home WiFi. When connected to a mobile hotspot (iPhone) via WLAN, the DNS works. As soon a website was loaded via Hotspot, it will start working on WiFi as well.

Things that did not solve the issue:

  • Updating all drivers/windows updates
  • Using chrome/edge
  • Using wired connection to the same network
  • Reseting all network settings
  • Setting a manual DNS server (8.8.8.8)!
  • Following all guides in the internet that I found so far
  • A dozen different clients work on the same network (Windows 10, iOS, Android)
  • The laptop is brand new, out of the box. Just installed all updates.
  • Issue occured with Windows 1909 and 20H2

Any ideas?

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10
  • Check your router's DNS settings and [if applicable] any DNS adblocking software it may be running, as that's where the problem is
    – JW0914
    Mar 24, 2021 at 11:46
  • Also contact Microsoft Support. They can access the computer (you approve that) and they can determine the issue.
    – John
    Mar 24, 2021 at 11:51
  • @JW0914: Default ISP Router with no special settings. If it were the router, the custom DNS should have helped (and the other clients would be affected I guess).
    – SurfaceDNS
    Mar 24, 2021 at 12:31
  • @John: Seems like this is not availble at my location (germany)?
    – SurfaceDNS
    Mar 24, 2021 at 12:32
  • That does present a bit of a problem. There are global support numbers on this page: support.microsoft.com/en-us/topic/…
    – John
    Mar 24, 2021 at 12:35

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