{
  "domain": "yg2.ygkkk.dpdns.org",
  "updated_at": "2026-04-18T18:49:23Z",
  "status": "ok",
  "source_count": 20,
  "checked_count": 19,
  "top_candidates": [
    {
      "domain": "yg2.ygkkk.dpdns.org",
      "success_ratio": 1.0,
      "avg_latency_ms": 1086,
      "ok_count": 2,
      "attempts": 2,
      "errors": []
    },
    {
      "domain": "animal.nuaa.tech",
      "success_ratio": 1.0,
      "avg_latency_ms": 163,
      "ok_count": 2,
      "attempts": 2,
      "errors": []
    },
    {
      "domain": "baota.us.kg",
      "success_ratio": 1.0,
      "avg_latency_ms": 1024,
      "ok_count": 2,
      "attempts": 2,
      "errors": []
    }
  ]
}