Sure, but there are a few caveats to that: + Firefox doesn't use the system DNS by default anymore (Defaults to the DoH provider, usually Cloudflare) + Chrome

Sure, but there are a few caveats to that: + Firefox doesn't use the system DNS by default anymore (Defaults to the DoH provider, usually Cloudflare) + Chrome doesn't use the system DNS by default anymore (Defaults to Google's) + Businesses often set the default DNS to use Google's, not their ISPs.