子域发现 API

{
  "domain": "example.com",
  "subdomains": [
    {
      "name": "api.example.com",
      "source": "ct",
      "first_seen": "2026-01-18T09:24:00Z",
      "verified": false,
      "dns_records": null
    },
    {
      "name": "www.example.com",
      "source": "ct",
      "first_seen": "2025-11-04T14:10:00Z",
      "verified": false,
      "dns_records": null
    }
  ],
  "summary": {
    "total_found": 2,
    "returned": 2,
    "verified_count": 0,
    "unverified_count": 2,
    "sources_used": ["crtsh"]
  },
  "meta": {
    "query_time_ms": 842,
    "cached": false
  }
}