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List:       dns-operations
Subject:    [dns-operations] When TLDs have apex A records
From:       Francis.Dupont () fdupont ! fr (Francis Dupont)
Date:       2009-07-21 15:23:20
Message-ID: 200907211523.n6LFNKTv004392 () givry ! fdupont ! fr
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 In your previous mail you wrote:

   I'm not quite sure I understand all the problems you're describing
   here, but you may want to consider implementing something we had when
   I was DNS admin at Yahoo!. All of our critical A records had MX
   records associated with them. The ones that were not supposed to
   receive mail were directed to a mail server that did nothing but
   bounce messages sent to it with a message that said basically, "This
   host is not supposed to receive mail." (Sorry I don't recall the error
   number or the configuration, that was handled by our mail guys.)
   
=> 521 (cf RFC 1846)

Francis.Dupont at fdupont.fr

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