Dear Tony, so you say that it's impossible what I want...

In this scenario that my two DNS servers respond queries at the same
time, suppose the primary server goes do clients know that
they have to query the secondary DNS server at this moment?

Thanks again.

2018-05-17 11:19 GMT-03:00 Tony Finch <>:
> Roberto Carna <> wrote:
>> I always believed that all the client queries coming from Internet go
>> to the DNS primary server, and if it is down, just in this case go to
>> the DNS secondary server.
> It can't happen that way because there's no way for a resolver to tell
> which is which.
> Tony.
> --
> f.anthony.n.finch  <>
> Hebrides: Southeast 4, veering south 5 or 6, then veering west later. Moderate
> or rough. Rain later. Good, occasionally moderate.
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