>         I've not backed your assertion. I've provided some data
>         on the relative stability of the in-addr space. You've provided
>         zero data on the efficacy of the forward delegations.
>         
>         Can you, with a straight face, claim the servers for the
>         forward zones have a better reliability rate than the 92.55%
>         that I have seen in the inverse tree?  

actually, no.  I don't have hard data to back the assertion that the
reverse tree is less reliable than the forward tree... nor do I really
need to do that to make the point that DNS PTR lookup isn't reliable 
enough to allow DNS to be used to lookup connection endpoint identifiers.

Keith

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