Any of you know why Opera (latest version) always displays the Quad9 query on on.quad9.net with "No, you don't use Quad9" even though Quad9 is set up as a DNS server (DoH)? Both Safari and a terminal command indicate that Quad9 is active as a DNS server. Only Opera refuses. Only if the Quad9 servers (without DoH) are entered directly into the network settings, the query also works with Opera: "Yes, you are using Quad9". Opera seems to ignore the settings via an app (DNSecure) or via a profile, or does not recognise it

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