DNS primary and secondary receiveing queries at the same time

Nico CARTRON nicolas at ncartron.org
Thu May 17 14:12:10 UTC 2018


Hi Roberto,

> On 17 May 2018, at 16:06, Roberto Carna <robertocarna36 at 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

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.isc.org/pipermail/bind-users/attachments/20180517/058b72fa/attachment-0001.html>


More information about the bind-users mailing list