Fallback & High Availability with nextdns-cli

Hello there,

I'm planning to install nextdns-cli on my 2 RPis and to use them in High Availability using keepalived (router DNS set to keepalived IP).

I'm using currently AdGuardHome, configured with more resolvers (ie OpenDNS & Cloudflare).

What will happen to my HA nextdns-cli installations, if NextDNS goes down? The network served by the 2 HA RPis will be down.

Is there a way to set a fallback (on nextdns-cli) to another DoH provider in case NextDNS is not able to reply to queries?

For example, my FritzBox is able to fallback to standard DNS if the DoT host is unreachable.


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  • The CLI has already different fallback strategies to join different nextdns PoPs thru different paths.

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  • 2 mths agoLast active
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