Is my reverse DNS setup correctly?

Getting a Delivery Status Notification (Delay) sending to AOL, so I had my ISP fix my MX record to reflect the actual name of the sendng Exchange server (southern-1.southernbrokerage.com)

Still getting those messages, and dnsreport.com returns my correct MX record <-> IP

Is my REVERSE DNS setup correctly? (not sure if there is something else I should do)

Thanks!
jcapellAsked:
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dynamitedotorgCommented:
No.

There is no PTR record set for 72.159.224.226.
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cjtramanCommented:
you can check your PTR record htrough the URL http://www.dnsstuff.com

When I entered your IP address in reverse DNS, it returned "No PTR records exist for 72.159.224.226"
Ask your ISP to create reverse DNS record for your mail server by giving your hostname (as in MX record) as well as your IP address.

You need to allow 24 to 48 hours for the changes to take effect.
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