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Comcast Business reverse DNS / PTR update request for static IP
Hello,
I’m a Comcast Business customer with a static IPv4 address, and I need help updating the reverse
DNS / PTR record for that static IP.
The IP is used for our mail server, and I need the PTR record changed from the default Comcast
static-IP hostname to our mail server hostname. The forward DNS record for the mail hostname is
already configured and resolves correctly to the static IP.
This is needed so the mail server has matching forward and reverse DNS for mail deliverability.
Can a verified Comcast Business employee please let me know the correct process for updating
reverse DNS / PTR on a Comcast Business static IP? I can provide the static IP address and
desired mail hostname privately once requested.
Thank you.
Comcast_Shawn
Official Employee
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16 Messages
6 days ago
@HoppingMadGames My team will be able to assist you further on our end to help you.
Please send us a direct message with your full name, business name, full address, and phone number. • Click "Sign In" if necessary
• Click the "Direct Messaging" icon in the top right corner
• Click the "New message" (pencil and paper) icon
• The "To:" line prompts you to "Type the name of a person". Instead, type "Comcast Business" there
• - As you are typing a drop-down list appears. Select "Comcast Business" from that list
• An "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
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