A simple DNS lookup tool
Domain 217.35.209.188
Type PTR
Server Quad9
Duration 251 ms
Results
JSON ZONE 
{
  "status": "NOERROR",
  "from": "9.9.9.9",
  "answer": [
    {
      "type": "PTR",
      "name": "indnss05.bt.net",
      "ttl": 43200
    },
    {
      "type": "PTR",
      "name": "indnss05.ukcore.bt.net",
      "ttl": 43200
    },
    {
      "type": "PTR",
      "name": "ns0.bt.net",
      "ttl": 43200
    }
  ]
}
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