________________________________________
From: Heros Deidda [[email protected]]
The master DNS for each zone is defined in the 'masters' statement of the zone
clause and allows slaves to refresh their zone record when the 'expiry'
parameter of the SOA Record is reached. If a slave cannot reach the master DNS
when the 'expiry' time has been reached it will stop responding to requests for
the zone. It will NOT use time-expired data.
in my zone file on the slave server I see the expire time is 1800. This means
the slave stop resolving after 30 minutes.
Could be this the problem?
mysipdomain.it IN SOA ns1.mysipdomain.it. root.mysipdomain.it. (
2010042303 ; serial
1800 ; refresh (30 minutes)
1800 ; retry (30 minutes)
1800 ; expire (30 minutes)
1800 ; minimum (30 minutes)
)
__________________________________________
Yes, that is the problem. The "expire" value should be longer than the longest
time that you require the slave DNS server to function without contacting the
master DNS server. Often the "refresh" value will be 30 minutes or so and the
"expire" value will be 1 week.
Dale
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