How to update QUICKLY for clients on subdomains.

[Barry Margolin]

In article <dq79r4$7fd$1 at sf1.isc.org>,
 "Truong Tan Son" <sontt at fcv.fujitsu.com> wrote:

> Barry Margolin wrote:
> 
> > I don't understand why.  When a cached record times out, the caching 
> > server should go back to the authoritative server.  It sounds like you 
> > may have a problem with your root hints and delegation records, so it 
> > doesn't know how to find the authoritative server.
> 
> You are right. Subdomains can resolve itself  Ok, the root hint has problem.

hint.domain on root1.sub1.domain.com says that root.domain.com is a root 
server, but there's no "." zone on root.domain.com.  You need to make 
root.domain.com a master for the "." zone.

> I must make crontab to "rndc flush" all nameservers after 1 hour.
> 
> Need I remove two options ?
> 
>                  allow-query { any;};
>                  allow-transfer { any;};

Since those are the default settings, removing them changes nothing.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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