A simple DNS lookup tool
Domain dns-upper-redirect.xfinity.com
Type A
Server Cloudflare
Duration 46 ms
Results
JSON ZONE 
{
  "status": "NOERROR",
  "from": "1.1.1.1",
  "answer": [
    {
      "type": "A",
      "address": "96.99.227.0",
      "ttl": 7200
    }
  ]
}
This Lookup
Realtime Lookup