On linux boxes, adding

options rotate

to the /etc/resolv.conf helps.

Lyle Giese
LCR Computer Services, Inc.

On 03/07/12 06:54, Bostjan Skufca wrote:
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 <mailto: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,



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