HaproxyDNS/configuration/reverseproxy/nginx/dns-stream

# DNS (TCP) server
server {
    listen 53;
    listen [::]:53;
    proxy_pass dns;
}

# DNS (UDP) server
server {
    listen 53 udp;
    listen [::]:53 udp;
    proxy_responses 1;
    proxy_pass dns;
}