PTR Record Multiple Domain on One IP address

I have multiple domain that receives email on a single public IP and need to setup PTR records.

Is there any work around to this since I only have one IP address?

It’s important that the PTR matches the hostname of the sending server, not the domain that is used to send emails from.

Nevertheless, you can’t set PTR here unless you have dedicated IPs.

Yes I Have a dedicated IP. Would I need to go through my ISP since they own the IP? or can I set it from cloudlare?

Yes. Or your server’s host. Who ever is the IP owner.

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