A simple DNS lookup tool
Domain b.in-addr-servers.arpa
Type A
Server Quad9
Duration 2 ms
Results
JSON ZONE 
{
  "status": "NOERROR",
  "from": "9.9.9.9",
  "answer": [
    {
      "type": "A",
      "address": "199.253.183.183",
      "ttl": 24446
    }
  ]
}
This Lookup
Realtime Lookup