You can visit a webpage, or use a name service lookup that you can do that will show you if your system is using Quad9. Below are instructions for confirming you are using Quad9 on Windows 10.
|Open https://on.quad9.net - If you're using Quad9, you'll see a "YES" answer, or "NO" if not using Quad9.|
|Open a Windows command prompt.
Right click on the Windows button at the bottom left of the screen, Select Run
|Type cmd in the prompt, click OK.|
|A command window will come up looking like this:
Type or copy and paste this command into the command prompt window.
nslookup -q=txt -class=chaos
|If you are connected to Quad9, you will see output similar to the following:
Note: You may see different information before
|If you are not connected to Quad9, the lookup will fail like this:
Note: If you are not connected to Quad9, you will receive an error stating that your computer "can't find