Date:        26 Oct 2017 13:20:29 -0600
    From:        "Andy Bradford" <[email protected]>
    Message-ID:  <[email protected]>

  | I wonder  what the  purpose of  such a  configuration might  be.

As a guess, the host is buried behind a NAT, and the address you get is
invented by the NAT/DNS, which remembers that there as been a query for that
host, holds the address binding for a second, to allow time for the
external host to initiate a connection, and then if there has been nothing
drops it.

NAT is just pure evil.   If we could only convince the world to switch to
v6 most of these issues would all just vanish.    But NAT makes too many
organisations too much profit, they don't want to let go of it.

kre


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