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DoH is enabled by default on Google Chrome version 83 or later. Complete this procedure to disable DoH.
To disable DoH on Chrome:
In the Chrome address bar, enter
chrome://flags/#dns-over-https
Go to the Secure DNS lookups setting In the provided menu, select Disabled Click Relaunch to relaunch the browser window with this change
DoH is enabled by default on Mozilla Firefox. Complete this procedure to disable DoH.
To disable DoH on Firefox:
On Mozilla Firefox, click the menu button Click Options Go to the Network Settings section and click Settings Scroll down to the Enable DNS over HTTPS option, and deselect it Click OK to save your settings
While DoH is not enabled by default on Microsoft Edge browsers, you can perform this procedure in case it's enabled.
To disable DoH on Edge:
In the Microsoft Edge address bar, enter edge:flags#dns-over-https Go to the Secure DNS Lookup setting In the provided menu, select Disabled Click Restart to restart the browser with this change