Getting BIND to work with an AD hosted DNS domain

[Mark Drummond]

My Sun servers were all configured to use a BIND based DNS service 
running on some of my Sun boxes. The DNS domain used is my company's 
official domain name which for arguments sake we call "myco.com".

Recently the Windows folks completed a migration to AD, and with that 
they implemented an AD based DNS service. On the brilliant 
recommendation of some consultants, rather than using "myco.com" the AD 
folks set up "myco.corp".

My problem is, my laptop needs to be in myco.corp to function properly 
in the AD domain (things like connecting to Exchange), but at the same 
time I still need to be able to resolve myco.com to work with my Sun 
servers.

I'm sure there is probably some way to configure my workstation to 
handle this, but I would prefer a more elegant server side solution.

What I would like is the following:

* Manually configure my laptop to reference the DNS service on my Sun 
systems so I can resolve myco.com. (Done.)

* Have the DNS service on my Sun boxes forward requests for myco.corp to 
the AD servers.

* And have DNS requests for everything else forwarded to our external 
DNS servers, which are currently hosted by our service provider.

I'm not completely sure how to implement this. I've been 
using/configuring BIND for many years, but never really had to do much 
more than very basic configs.

Any pointers are greatly appreciated!

Thanks,

Mark