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aol 421

Discussion in 'General Discussion' started by Zion Ahead, Apr 11, 2007.

  1. Zion Ahead

    Zion Ahead Well-Known Member

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    This message was created automatically by mail delivery software.

    A message that you sent could not be delivered to one or more of its
    recipients. This is a permanent error. The following address(es) failed:

    someuser@aol.com
    SMTP error from remote mail server after end of data:
    host mailin-02.mx.aol.com [205.188.155.89]: 421-:
    (DNS:NR) http://postmaster.info.aol.com/errors/421dnsnr.html
    421 SERVICE NOT AVAILABLE: retry timeout exceeded

    My customer's domain does have a reverse dns record setup, over 2 days now.

    Why else would she continue to get this error?
     
  2. Spiral

    Spiral BANNED

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    Reverse DNS usually cannot be setup within your server but rather instead
    within the DNS system of your server provider.

    I have never known a server provider to charge for reverse DNS so all
    you should have to do is simply contact your provider and tell them
    what hostname you would like resolved for the IP.

    (AOL won't care what the reverse hostname is but rather that it just exists)

    To find out what hostname you have currently, you can use the reverse
    lookup tools at http://www.dnsstuff.com

    To find who controls the IP (and thus where the reverse PTR needs to setup),
    you can lookup the IP number on the WHOIS lookup at http://www.arin.net
     
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