On Thu, Oct 21, 2010 at 06:32:09AM -0500,
 Martin McCormick <[email protected]> wrote 
 a message of 39 lines which said:

> Example:
> 
> nameserver    139.78.100.1
> nameserver    139.78.200.1

I always add:

timeout:1

because the default timeout is 5 seconds, much too important to allow
for a smooth fallback.

Other options could be interesting, such as "rotate". See
resolv.conf(5).

Unlike the failure of an authoritative name server, the failure of a
resolver is not really transparent for the Unix stub resolver, as you
have discovered. You may consider solutions using a redundancy at
layer 3 such as VRRP or CARP.

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