OK, now I understand....thank you very much !!! Regards.
2018-05-17 11:25 GMT-03:00 Roberto Carna <robertocarn...@gmail.com>: > 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 down....how 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 <d...@dotat.at>: >> Roberto Carna <robertocarn...@gmail.com> 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 <d...@dotat.at> http://dotat.at/ >> Hebrides: Southeast 4, veering south 5 or 6, then veering west later. >> Moderate >> or rough. Rain later. Good, occasionally moderate. _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users