{
  "title": "BnsFetchHistoricalZoneFileResponse",
  "description": "Fetches the historical zonefile specified by the username and zone hash.",
  "anyOf": [
    {
      "type": "object",
      "properties": {
        "zonefile": { "type": "string" }
      }
    },
    {
      "type": "object",
      "properties": {
        "error": { "type": "string" }
      }
    }
  ]
}