Yet another changing-my-name-server's-ISP question

[Mark_Andrews at isc.org]

> I'm hosting about 40 domains on my name server,
> and we will be switching ISPs shortly, so the
> name server's IP will be changing.
> 
> If, for example my domains are:
> 
> domain1.com
> domain1.net
> domain1.org
> domain2.com
> domain3.com
> domain4.com
> etc...
> 
> and the name server for all of them is
> ns1.sub.domain1.com, how many
> registrar-level changes do I need to make
> assuming the FQDN of the name server
> stays the same and only the IP is changing?
> 
> Would there be one glue record in the .com zone
> for "ns1.sub.domain1.com" which would cover
> all 40 domains that I need to change?
> 
> May I assume that the .net & .org zones don't have
> a glue record for my .net & .org domains if
> the NS is under .com?
> 
> Also, how does one get a glue record changed?
> Can I just make a name server change with my
> domain1.com registrar?
> 
> I just need to know whether I need to
> make 40 changes, 1 change, or some other number.
> 
> TIA.

	You should only need to update the host record for nameserver
	in the zone that is the parent for the nameserver.

	Mark

--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org