> Right now I have some domains listed in the Linux DNS that I plan to
> have start using the newly installed IMail program.
Your plans/rationale are not entirely clear from your post.
If the Linux machine is the official ("authoritative") nameserver for
your IMail-hosted domains (you should have two, but let's leave that
out for now), and also answers recursive queries (queries for other
domains), you can simply point IMail to use that server as its DNS
server, as Robert suggested.
If the Linux box is authorititative, but doesn't do recursion, you
would need to point to another publicly available DNS server at your
ISP or use your Windows box for this function. The latter choice does
*not* require that the Windows box be authoritative for your
IMail-hosted domains, though it *does* need to be able to reach the
Linux box by its publicly known IP address for any domains for which
the Linux box is authoritative, but which are not IMail-hosted. (Note
that an Imail box that is *hosting* a given mail domain locally does
*not* need to query DNS for that domain, so the fact that IMail may be
using a DNS server that is authoritative, non-authoritative, or even
broken with regard to its local domains makes no difference.)
If you want your Windows box to be the authoritative nameserver for
those domains, these changes will need to be made at your registrar.
Just putting up a new DNS server that has your domain data on it
doesn't mean the rest of the world will know to query it for that
info.
If you want your Windows box to be an additional authoritative
nameserver, that change will also need to be made at your registrar.
The concept of DNS primaries/secondaries (which should be all over
your book) takes care of replication between two nameservers that are
each authoritative.
> I'm not sure how to make sure these two name servers are in sync
> with each other, or even whether it is something I should even worry
> about.
If they are both authoritative, it is absolutely something you should
worry about! If people from the outside get different results from one
than the other, that's a major screwup.
Let us know what you *really* want and you'll get more precise help.
:)
-Sandy
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