{
  "responses": [
    {
      "queries": [
        {
          "name": "do-flag.opt.example.",
          "class": "IN",
          "type": "A"
        }
      ],
      "answers": [
        {
          "name": "do-flag.opt.example.",
          "class": "IN",
          "ttl": 600,
          "type": "A",
          "data": {
            "address": "127.0.0.1"
          }
        }
      ],
      "authorities": [],
      "additionals": [
        {
          "name": "",
          "type": "OPT",
          "data": {
            "version": 0,
            "data": []
          }
        }
      ]
    }
  ]
}