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-   -   Secondary DNS issue (BIND9 / Debian) (http://www.howtoforge.com/forums/showthread.php?t=47239)

yawyway 12th July 2010 14:13

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,

matty 13th July 2010 01:00

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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