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Posts posted by prabhjot

  1. Hello all,

    I am new to SpamCop. I read on this page http://www.spamcop.net/fom-serve/cache/351.html

    that we can use a dns query to know if an IP is in a black list or not in our custom application/software.

    The page says that if I want to check an IP like then my dns query should be:


    But for me this returns the messsage that this is a non-existent domain.

    I wanted to confirm my understanding. So, if I receive non-existent domain message it means that IP is not blacklisted else it is blacklisted?

    Thanks and have a nice day!