LinuxSA Mailing list archives

  From: Adam Smith <adam.smith@sageautomation.com>
  To  : Mike Gratton <mike@vee.net>
  Date: Mon, 14 Apr 2003 10:03:13 +0930

Re: dns confusion

On Sun, Apr 13, 2003 at 06:46:24PM +0930, Mike Gratton said:
> 
> 
> Adam Smith wrote:
> >
> >It proves to be very annoying when I change a DNS entry on a remote DNS 
> >server
> >and then I'm forced to wait for TTL's to expire before I can start using it
> >again :/
> 
> Doesn't BIND have a lookup cache file, usually located in the directory 
> specified in it's config file with
> 
>   options { directory "/foo"; };

It certainly does, but there are no database files in here that I can see
:(

> Adam, if you're making changes to DNS it's worth winding down ttl and
> expire times for a few days to reduce the time updates take.

Since these DNS entries are pointing towards my dynamic IP, I have set
their TTL to a reasonably short amount of time, however I guess I just want
to know how to purge my *own* cache :)

> Alternatively, if you are using forwarders, then you may be getting the 
> cached response from those nameservers.

I had considered that, but it wasn't relevant in this case.


-- 
Adam Smith
Information Technology Officer
SAGE Automation Ltd.

adam.smith@sageautomation.com
http://www.sageautomation.com

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