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I had problems in config file with Quad9 public server names, whatever server name I tried I couldn’t get connection. Everything worked fine with other server names, even with OpenNIC servers, anyone with similar problem?
Hmm have you tried pulling in their resolver list directly? https://github.com/jedisct1/dnscrypt-proxy/blob/master/dnscrypt-proxy/example-dnscrypt-proxy.toml#L524
I fixed it, just added their official .md file
https://github.com/DNSCrypt/dnscrypt-proxy/wiki/DNS-server-sources might be worth mentioning in case GitHub is blocked for someone and those others aren’t for one reason or another and anyway decentralization.