North American Network Operators Group
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Re: Testing root server down code

  • From: Stephen J. Wilcox
  • Date: Wed Oct 23 14:06:35 2002 
On Wed, 23 Oct 2002, Sean Donelan wrote:

> 
> The last time all the root servers were down was June 28 1985.  On June 29
> 1985 there was a flurry of messages about adding root server down code to
> the various DNS implementations of the day.  Apparently, some of the
> software had a poor response to all root servers being unreachable, and
> spun out of control.
> 
> Has anyone tested modern DNS code (Microsoft and BIND to name two) for
> this condition recently?  I haven't, hence my question.

Microsoft DNS has a poor response and can spin out of control with all root
servers available.. how would you tell the difference ;)

Steve