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Select “Use the following DNS server addresses” and enter 9.9.9.9 into the Preferred DNS server box. For the Alternative DNS server enter 149.112.112.112
If you are using IPv6 enter 2620:fe::fe into the Preferred DNS server box.
Optional: You can add 2620:fe::9 as the alternative in the list.
https://www.quad9.net/support/set-up-guides/windows
