Quad9 is a free security solution that uses DNS to protect your systems against the most common cyber threats. You can setup Quad9 on your Windows 10 PC for IPv4 in six easy steps.
Open the Control Panel.
- Left click the start menu. Select the gear (Setting)
- In the search box type "control panel". In the drop down select control panel.
Select View network status and tasks.
Select the interface used for your Internet connection.
Select Internet Protocol Version 4. Then click Properties.
This is where the magic happens and is really multiple steps on the same page.
- Select Use the following DNS server Addresses. For IPv4 enter 220.127.116.11 in Preferred DNS Server and 18.104.22.168 in Alternate DNS Server.
- Click the Validate settings upon exit box to ensure that you have done it correctly.
- Then click OK.
Close the configuration boxes. You should be on Quad9 now. To check follow these instructions How to Confirm You're Using Quad9 - Windows