Hi Roberto,

> On 17 May 2018, at 16:06, Roberto Carna <robertocarn...@gmail.com> wrote:
> Hi people, I've implemented two BIND9 servers for my company, one as
> primary public DNS server and the other as secondary public DNS
> server.
> 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.
> But it seems it is different than I believed....when I see the query
> log file in primary and secondary DNS servers, I can see queries
> coming from Internet in both servers....in other words, the two DNS
> servers are being contacted all the time.
> Is there any way to make DNS clients from Internet always contact my
> primary DNS server and just if it is down the clients must contact the
> secondary DNS server ???

are those servers Authoritative, or Recursive?
It’s not quite clear in your above explanation.



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