Problem is, most of client resolvers (not resolving nameservers, but resolvers on workstations etc) query first specified nameserver first, then after timeout start with the others. You should create a HA IP for such uses.
b. On 7 March 2012 10:23, <ro...@free.fr> wrote: > Dear community, > > I use bind on my network as DNS Server. Running bind > 1:9.6.ESV.R4+dfsg-0+lenny4 > on Debian Lenny. > > The setup is quite usual : one master server with one slave server. > > The slave sync the zone from the master. > > I discover that when the master is down I have some trouble to access to > internet and to local domain which are managed by the master server. > > Symptoms are : slow browsing and some website can't be reached, seems to > be a > timeout issue. (the server didn't answer in time). > > I saw that for unreachable website, the issue was DNS as my tcpdump didn't > get > any http request. > > How can I troubleshoot this issue ? > > Regards, > > > > _______________________________________________ > 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 >
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