Creating reverse DNS entries which resolve

Tiffany Walker asked:

Possible Duplicate:
Reverse DNS – how to correctly configure for SMTP delivery

I ran a DNS check and ended up with the following error:

FAIL: Found reverse DNS entries which don't resolves
All IP's reverse DNS entries should resolve back to IP address (MX record's name -> IP -> IP Reverse -> IP). Many mail servers are configured to reject e-mails from IPs with inconsistent reverse DNS configuration.

How do I properly configure and it so it goes to an IP?

My answer:

Contact the provider who assigned the IP address to you. Unless they have delegated reverse DNS to you, then they will have to set it for you.

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