How do I check a reverse PTR record?

Posted by Daisetsu on Server Fault See other posts from Server Fault or by Daisetsu
Published on 2010-06-05T00:20:30Z Indexed on 2010/06/05 6:03 UTC
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email

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spam

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ptr

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ptr-record

I need to check a reverse PTR record to make sure that a script I have is sending emails which will actually received by my users and not incorrectly marked as spam.

I understand that the ISP which owns the IP range has to set up the PTR record, but how do I check if it is already set up?

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