Nextdns does not apply

Technical Support for Routers
1

Hi, I have the GL-AX1800 FLINT router and I would like to insert the NEXTDNS personalized DNS. I follow the online guide, I insert ID Nextdns Click applies and gives me the following error: “Before activating this function, deactivating the other DNS settings” and among the manual setting there is DNS Server1: 127.0.0.1#…

I tried to eliminate 127 … replacing it with Next’s DNS, but it doesn’t work.
How to solve the problem? Thank you

2
  1. check if the “Stubby” (DoT) is running or not and what port is listening to ?
    ( ps | grep stubby ), (if something wrong happens, please check system log to see what it complains about)
  2. If Stubby is running ok, please check the current DNS setting (Luci → Network → DHCP & DNS → DNS forwardings (delete the unnecessary ones and check the order of listing (if multiple DNS forwarding applied)
3

I solved. I had active AdGuard Home and went into conflict. So I deactivated AdGuard and no more longer that error.
Thanks for the reply

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