Ad blocking not working only on Windows 10 machine

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It may be the browser you are using in Windows. Some of the newer browsers can provide their own DNS service, and bypass Pi -Hole.

Are you seeing all the browser traffic going through Pi-Hole?

How do I determine what domain an ad is coming from?

Block ads or fix broken sites This FAQ is written in the context of finding out how to block an ad that isn't blocked automatically, but the same steps can be used to troubleshoot issues with sites that don't function properly. An example is that sometimes certain payment gateways try to collect metrics on the sale, but these domains are blocked by Pi-hole, so the payment cannot be processed. Also, some links send you through several referrers and if one of them is blocked, you may land on a …