Re: Stub zones

In news:9049E8C5-1463-4779-89E7-4272EE1CFA6E@xxxxxxxxxxxxx,
howellrj <howellrj@xxxxxxxxxxxxxxxxxxxxxxxxx> stated, which I commented on
below:
Hi

I would like to know if our company would benifit from stub zones.

Currently we have an empty root with the root zone housed in it, all
the child domains have delegations listed in this root zone. the
root zone is replicated to all DNS servers in the Windows 2003 forest.

I would like to know if we had to place stub zones for all the child
domains to the Root and replicate those to all DNS servers in the
forest if we would improve the DNS responses.

Each child domain has only 1 link into the network cloud

Thanks

Stubs replace delegations. If you already have delegations, and it's
working, you can probably just leave well enough alone. Keep in mind, with
delegations, (just as an FYI, and you probably already know this, but many
do not), a forwarder (conditional or otherwise) should exist from the child
domain DNS to the parent (root). Of course all machiens in the child will
ONLY ONLY point to the child domain DNS and NO others. This keeps resolution
clean by asking it's own DNS for all queries.

If you have only one link from the child domains to the parent and they do
not have Internet access on their own andall of it goes through the corp
location, I would suggest to use 'All other domains" forwarder. I
wouldsuggest to do this in your scenario since you have multiple child
domains, otherwise you would need to configure the search suffix for all
other domains on all machines, which can be tedious.

If you want to use stubs, which are just a glue pointer to another domain's
NS server to resolve anything in that namespace, you can delete the
delegations, and create a stub for say, child1.domain.com, and provide the
nameservers of the child domain as the authorative servers. What is nice
about stub zones, is that if the NS record changes, such as if you created
them in your scenario, and the DC/DNS server changes IP addresses in the
child domain, then the updated record will be populated to the stub record
in the parent. Nice little feature, but if your servers are pretty much
static and don't expect changes, then it would be alot of work to just gain
this feature.

But honestly in your case, I would leave it be. :-)

I hope that helps.

--
Ace
Innovative IT Concepts, Inc (IITCI)
Willow Grove, PA

This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.

Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft MVP - Directory Services
Microsoft Certified Trainer

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