Re: [cobalt-users] dns and nameservers

[shimi <shimi@xxxxxxxxxxxxxxxx>]

On Sun, 15 Apr 2001, Jim Carey wrote:

> Hi,
> 
> I currently have my DNS on 1 server (bad I know). I have just agreed a
> secondary service with someone else in a different geographic region. I will
> be asking customers to add this secondary nameserver onto their delegations.
> What I want to do is to simply ask them to add this new one on as an extra
> (ie 3rd nameserver).
> 
> So I will have
> 
> web.ozdns.net
> web2.ozdns.net
> new.nameserver.com
> 
> as the recommended suite.
> 
> Now web.ozdns.net and web2.ozdns.net are both on the same server. Is this an
> issue in terms of performance or reliability - if say the web.ozdns.net
> facility is temporarily unavailable and this is the one that has been tried
> first then it will go for one of the others (yes ?) - if it happens to pick
> web2 then if that is still unavailable it will go to the new.nameserver.com
> (yes?). If that's the case the worst that should happen is a small amount of
> additional delay while it cycles through the two ozdns.net nameservers.
> 
> (problem is that I restart named every 30 minutes to pick up new domain
> names for my redirect service and sendmail every 60 minutes to pick up new
> email redirects - so there are bound to be times when a query won't find the
> ozdns.net nameservers)
> 
> cheers and a very happy Easter to all out there :-)

If you restart them with:

killall -HUP named
killall -HUP sendmail

the restart is tranparent...

> 
> Jim Carey
> 
- shimi