gdns/example_config/config.json

{
    "listen":["tcp:0.0.0.0:8053","udp::8053"],
    "default_servers":["tcp:208.67.222.222:53","tcp:8.8.8.8:53"],
    "user":"nobody",
    "group":"nogroup",
    "ttl":3600,
    "timeout":1,
    "enable_cache":false,
    "blacklist_ips":["ip.txt"],
    "rules":[
        {
            "domain_list_file":"domain1.txt",
            "servers":["tcp:4.2.2.2:53"]
        },
        {
            "domain_list_file":"domain2.txt",
            "servers":["tcp:8.8.4.4:53","https:74.125.200.100"]
        }
    ]
}