Edge
This covers Edge only. On Windows 11, the system setting covers every app.
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Open Settings โ Privacy, search, and services โ Security (or go to
edge://settings/privacy). -
Turn on Use secure DNS to specify how to look up the network address for websites.
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Choose Choose a service provider and enter:
https://dns.opdns.net/<profile-id>/<device>Screenshot to comeEdge's secure DNS setting with the opdns URL entered as the service provider.