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. Cheers, -- Nico
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