sing-box dns配置相关

[luckyyyyy]

运营商DNS虽然问题多，但依然对CDN来说是最优解，对于dns挟持问题，也可以用fakeip有效解决。

 "dns": {
    "disable_cache": false,
    "servers": [
      {
        "tag": "local",
        "address": "127.0.0.1",
        "detour": "🚀直接连接"
      },
      {
        "tag": "fakeip",
        "address": "fakeip",
        "strategy": "ipv4_only"
      },
      {
        "tag": "local_v4",
        "address": "127.0.0.1",
        "strategy": "ipv4_only",
        "detour": "🚀直接连接"
      },
      {
        "address": "rcode://refused",
        "tag": "reject"
      }
    ],
    "rules": [
      {
        "inbound": "dns-in",
        "disable_cache": false,
        "server": "reject",
        "query_type": [
          "HTTPS"
        ]
      },
      {
        "disable_cache": false,
        "rule_set": [
          "geosite-cn"
        ],
        "server": "local"
      },
      {
        "disable_cache": false,
        "rule_set": [
          "geoip-cn"
        ],
        "ip_cidr": [
          "10.0.0.1/8",
          "172.16.0.0/12",
          "192.168.0.0/16"
        ],
        "server": "local"
      },
      {
        "disable_cache": false,
        "outbound": "any",
        "server": "local"
      },
      {
        "inbound": "dns-in",
        "disable_cache": true,
        "rewrite_ttl": 1,
        "server": "fakeip",
        "query_type": [
          "A",
          "AAAA"
        ]
      }
    ],
    "final": "local",
    "disable_expire": false,
    "independent_cache": false,
    "reverse_mapping": false,
    "fakeip": {
      "enabled": true,
      "inet4_range": "198.18.0.0/15",
      "inet6_range": "fc00::/18"
    }
  }