* Peter Eisentraut (pete...@gmx.net) wrote: > On mån, 2010-08-09 at 13:56 -0500, Kevin Grittner wrote: > > Some IP addresses have several host names, including in reverse > > lookup; how is that handled? > > This is not possible, or at least the C library APIs don't expose it. > Compare the getnameinfo() and getaddrinfo() man pages, for example.
Don't know how it happens at a technical level, but I've definitely seen
it happen before.. Particularly with Windows domains where they don't
have "clean-up reverse DNS" enabled. Manifests itself by having
different host names show up on successive requests... Evil in any
case.
Stephen
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