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Monday, December 19th, 2022 1:10 PM

rDNS Lookup

How do you setup a reverse DNS lookup, I've called multiple times and they are clueless as to what it even is.

Trusted Forum Contributor


57 Messages

1 year ago

Hello there! I am sorry to hear our team hasn't been able to help when you have called. I'd be happy to help with getting this started for you. Can you please send us a DM with your name, business name and address? 


  • Make sure you are signed in here in the Xfinity Forum. Click "Sign In" if necessary
  • Click the "Direct Message" icon (square chat icon in the upper right corner of your screen next to the bell icon)
  • Click the "New message" (pencil and paper) icon
  • Type "Comcast Business" in the "To:" line and select "Comcast Business" from the drop-down list which appears. The "Comcast Business" graphic replaces the "To:" line
  • Type your message in the text area near the bottom of the window
  • Press Enter to send it