North American Network Operators Group
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RE: How common is lack of DNS server diversity?

  • From: Roeland Meyer
  • Date: Sat Jan 27 13:43:52 2001 
> It appeared from the reports/complaints we
> received that a number of client systems/resolvers had decided to only
> request data from the nonfunctional DNS server and despite 
> failing on that
> wouldn't ask our other listed DNS servers. They therefore could not
> resolve addresses for otherwise functional network assets. I seem to
> remember this was somehow related to systems running Microsoft OS's.
>   Am I confused or could it be that Microsoft knows something 
> about this?

MS DNS, WinNT4 and below, have broken search algorithm implementations.
DDNS, Win2K, is currently untested.