Server Replacement

[David Botham]

> -----Original Message-----
> From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org] On
> Behalf Of Michael E. Hanson
> Sent: Thursday, October 03, 2002 12:45 PM
> To: comp-protocols-dns-bind at isc.org
> Subject: Re: Server Replacement
> 
> 
> Actually, if your name server is registered at Network Solutions and
you
> change its "HOST" entry there, the change will automatically filter
into
> all
> the Domains that are registered with NetSol that reference that name
> server.

Good to know.  How about domains registered at other registrars?

Dave...

> _______________
> Michael E. Hanson
> President, Gryphon Consulting  Services
> (http://www.GryphonsGate.com)
> P.O. Box 1151
> Bellevue, NE  68005-1151
> (402) 871-9622
> 
> MEHanson at GryphonsGate.com (primary)
> Gryphons_Master at yahoo.com
> ----- Original Message -----
> From: "David Botham" <dns at botham.net>
> To: <comp-protocols-dns-bind at isc.org>
> Sent: Thursday, October 03, 2002 9:39 AM
> Subject: RE: Server Replacement
> 
> 
> >
> >
> >
> > > -----Original Message-----
> > > From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org]
On
> > > Behalf Of Clancy, Steve
> > > Sent: Thursday, October 03, 2002 9:26 AM
> > > To: comp-protocols-dns-bind at isc.org
> > > Subject: Server Replacement
> > >
> > >
> > > Greetings;
> > > I'm getting ready to replace my current DNS server with a new
machine.
> > The
> > > IP address will be different so I know I will need to change that
with
> > the
> > > registrar. Any other gotchas I should be aware of?
> >
> > Yes.  I am fairly certain that even if you change the IP of the name
> > server with your Registrar, that change will not filter into the
> > delegation RR for the zones on that name server.
> >
> > In other words:  Let's say your name server is ns1.foo.com with IP
> > 192.168.1.10 (that will be changed to 10.10.1.10).  Also, let's say
that
> > you have a domain that is registered to use that name server called
> > bar.com.
> >
> > I am pretty sure you will need to make two changes here:
> >
> > 1.  Change your name server host record at the registrar for
ns1.foo.com
> > to reflect ns1's change in IP address to 10.10.1.10.
> > 2.  Change the bar.com registration information to reflect the
change in
> > ns1's IP address to 10.10.1.10.
> >
> > I am sure you can see where the lag associated with these changes
can
> > cause a lapse in resolution if you are not careful.  This problem
gets
> > worse with an increase in the number of zones hosted on the name
server.
> > I recommend a process something like this:
> >
> > 1.  Create (and register) a new name server (say ns2) and load all
the
> > zones from the old name server on it.
> > 2.  Make the old name server a slave to the new server (make changes
on
> > the new server, they will replicate to the old server).
> > 3.  Make all the necessary changes with your registrar for all your
> > domains.
> > 4.  When you are sure that no one is using the old name server
anymore
> > (all delegation information is updated at the registrar and TTLs
[gtld
> > ttls are currently 2d] have expired), take the ole name server off
the
> > net.
> >
> >
> > Dave...
> >
> > >
> > > Thanks
> >
> >
> >