Can bind be configured to not drop RR's from the cache when the upstream DNS server is unresponsive

Ron ron.arts at
Sun Mar 20 11:09:23 UTC 2016

On Sun, Mar 20, 2016 at 3:03 AM, Barry Margolin <barmar at> wrote:
> That's feasible if you can reconfigure all the client machines to do
> this. It's not very scalable if you have a network of machines running
> different operating systems, and you'd like to have your central
> resolver take care of all the caching.

That's indeed my situation, we're running around 50 Linux machines each
having their own caching named. And a few Windows/OSX laptops which
run off Google DNS.

It's all very annoying, but it's even more annoying for our customers running
off the linux machines.

-- Ron

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