{
  "domain": "cf.130519.xyz",
  "updated_at": "2026-05-13T18:01:56Z",
  "status": "ok",
  "source_type": "api",
  "source_count": 20,
  "checked_count": 20,
  "top_candidates": [
    {
      "domain": "cf.130519.xyz",
      "success_ratio": 1.0,
      "avg_latency_ms": 71,
      "ok_count": 5,
      "attempts": 5,
      "errors": []
    },
    {
      "domain": "nas.chinwa.eu.cc",
      "success_ratio": 1.0,
      "avg_latency_ms": 215,
      "ok_count": 5,
      "attempts": 5,
      "errors": []
    },
    {
      "domain": "bbs.alipansou.com",
      "success_ratio": 1.0,
      "avg_latency_ms": 74,
      "ok_count": 5,
      "attempts": 5,
      "errors": []
    }
  ]
}