Multiple PTR reverse lookup problem (BIND9 resolver broken?)

Simon Waters Simon at wretched.demon.co.uk
Tue Mar 26 23:55:05 UTC 2002


David wrote:
> 
> When the
> resolver/client/whatever returns a different result every time, those
> functions do not work.  I see it as a bug or strange behavior becasue
> non-bind9 systems do not roundrobin the result.  Getting a different
> result avery few lookups from bind9 causes problems.

Those applications are broken not BIND 9, they should be coded
to handle multiple PTR records, or not at all.

Apps should do reverse then forward, not forward then reverse,
if you don't want to code for multiple PTR records. Or if needs
be forward, reverse, forward.


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