When there are no Root Name Servers

[Martin McCormick]

Kevin Darcy writes:
>Why don't you configure your boxes as slaves for the root zone, from an
>internal master, which under normal circumstances is a mirror copy of
>the Internet root zone, and in failure mode, is switched to a
>"island" version of the root zone, which only knows about your internal
>domains? With NOTIFY, it shouldn't take very long to propagate the
>"island" root zone to all of your internal slaves.

	Excellent idea.

>By the way, if your Internet connectivity is completely down, isn't your
>phone going to be ringing a lot *anyway*, regardless of how your DNS is
>set up?

	Oh yes, but we shouldn't get quite as many calls when
buildings across the street or next door to one another can still
communicate normally.