On 02.09.11 14:52, JudahXIII wrote:
when i set my dns server (via bind) as "forward only" server, i set two
destination dns addresses.

do you run bind server as forward only? why not use those forwarders directly?

now, when the first destination dns server is down, will my server still
send requests to it?

because even if it's down, it may come up once. BIND does try ocasionally

when does my server send request to the second one?

BIND does prefer server that responds faster => when the first comes down, bind should start preferring another one, unless it's unreachable too.

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