> We used to say that it was a good idea to run the cache-only resolver
> that comes with VM TCP/IP (i.e. NAMED) to avoid excessive DNS lookups
> going outside VM. Some installations also used it to prime the cache
> with a set of important host names (in case the outboard DNS was not
> available). But the VM DNS implementation has become a bit dated, so
> if you can you should probably avoid that route.

Or replace it with a minimal Linux guest. 

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