AOL still blocks Reverse DNS after it's setup

Barry Margolin barmar at
Thu Mar 3 02:07:25 UTC 2005

In article <d0526f$unt$1 at>,
 "AVB" <avanbaelen at> wrote:

> I set up Reverse DNS for my mail server with zoneedit (who supports my
> dns) and with my ISP. If I go to and Reverse Query my
> server then it says it's succesfull. However my mail fails when sending
> to AOL. According to AOL
>   "Reverse DNS must
> be in the form of a fully-qualified domain name - reverse DNSes
> containing are not acceptable, as these are merely
> placeholders for a valid PTR record. Reverse DNSes consisting only of
> IP addresses are also not acceptable, as they do not correctly
> establish the relationship between domain and IP address"
> So I am a little lost. Why are reverse DNSes with not
> acceptable?? I thought thats how they are suppose to be setup. I have
> no other option but to set up a record in Zoneedit with the FQDN to
> PTR record. My ISP has also set up a reverse DNS
> entry (which I am assuming is correct cause test are successful). This
> is unfamiliar territory and ideas would be greatly appreciated! Thanks

Tell us your IP so we can tell whether the reverse DNS is correct.

Barry Margolin, barmar at
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***

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