RE: DNS (OT)

[dbrett <dbrett tcn net>]

The computers in the domain were all up.  So even if the entries were
cached shouldn't the requests still work. (I thought the zone entries were
cached not the DNS)

I though with the first two servers down, the request would go to the
third server.  What am I missing?

david

On Tue, 30 Sep 2003, Barry Johnson wrote:

> This has to do with how long you primary and secondary dns servers have
> been down.  Since most dns servers operate a cache it will take awhile
> for all the correct settings to propagate around the ether world.  If
> they have been down for more than a couple of days I would say your dns
> server isn't properly registered.  To work around this I would assign
> the ip address of your primary dns server to the third one that is still
> up if that is possible.
> 
> Barry Johnson
> Systems Administrator
> 
> -----Original Message-----
> From: redhat-list-admin redhat com [mailto:redhat-list-admin redhat com]
> On Behalf Of dbrett
> Sent: Tuesday, September 30, 2003 1:53 PM
> To: redhat-list redhat com
> Subject: OT: DNS 
> 
> 
> This is more of an Internet DNS question.  We have three DNS servers
> registered for our domain.  Unfortuantely two of the servers are down
> and the third one is up and operational.  
> If someone were to do a query for the domain it would fail.  If the
> query was done to the third DNS directly it would succed.
> 
> Does anybody understand why?
> 
> david
> 
> 
> 
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