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PTR Record Subnet mask

Discussion in 'Plesk 9.x for Windows Issue, Fixes, How-To' started by GiorgosI, Jan 26, 2012.

  1. GiorgosI

    GiorgosI Basic Pleskian

    Nov 6, 2009
    Likes Received:
    The problem exists in all Plesk versions we have, which is Plesk8, Plesk9, Plesk10 (we haven't tested it in Plesk 10.4) for windows and for linux.

    When we add an ipv4 PTR Record in a server, it allows to use a subnet mask from a drop down menu with values 8, 16, and 24. There is no value 32. So, if we select value 24 for PTR subnet, plesk creates zone:
    For example, if server's IP is it creates zone:
    which is the C class 192.168.1.xxx

    The problem that is caused is that if another server from the same C class, with IP for example, sends an email to server, then server looks in it's local 1.168.192.in-addr.arpa file (because it is supposed to be for the whole C class).
    As you may assume, it does not find any PTR record for IP, so there are problems with receiving emails from servers in the same C class.

    Is there any way to make plesk adding PTR with subnet 32 (in the above example, zone file should be