I want to create a testing domain where I can get email sent to
user@us.company.com. That way, I don't test using the production
environment of user@company.com. As we already own company.com, how do
I
go about setting this up via NW DNS? I only have one location I'm
doing
this at for now.

Would I create a subdomain called us.company.com under the primary
domain
called company.com?

Would I even need to create a subdomain or would adding another type
of
record accomplish this?

What other records, if any, will I need to create after creating the

subdomain?

Also, can this work across multiple trees or would us.company.com need
to
be in the same tree as company.com?

I've been reading the discussions here and have gleaned quite a bit of

helpful info, but being a newbie, I think I need a little more direct
help.

TIA,

Phil