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Old 12th July 2010, 14:13
yawyway yawyway is offline
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Default Secondary DNS issue (BIND9 / Debian)

Hello all,
I don't know how to solve this :

I have set up a master and a slave DNS. Two servers seem OK ... Configuration data are perfectly copied to slave, everything is fine .

When I stop the master DNS deamon, the slave is able to respond to queries. But after some days the slave doesn't respond to queries anymore.

Is this behaviour usual ?
Many thanks,
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Old 13th July 2010, 01:00
matty matty is offline
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This is a normal function of secondary DNS servers. The time until it stops answering queries is set by the "expire" parameter in the SOA RR. This page might help explain it a little more for you.

http://www.zytrax.com/books/dns/ch8/soa.html
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