Andrew Falanga presented these words - circa 9/6/08 6:28 PM->
Hi,

Well, my clients at church are still having issues and after working with George, a respondant to my original questions, I think that most, if not all, of my problems are related to DNS and how we've got it improperly configured.

First, a crude drawing of how our mail server exists in the world:

192.168.2.x/24           72.24.23.252      "lot's of networks"
Private Network <--> CableOne <--> Internet

Now, our mail server's IP is 192.168.2.23. On the router, he (the person at whose house the mail server is) has IP forwarding setup so that mail get's sent to our FreeBSD machine. Using dig, here's the responses:

(from my FBSD machine at home, not the server)
[/usr/home/andy]
-> dig +short -t MX whitneybaptist.org
10 mail.whitneybaptist.org.
[/usr/home/andy]
-> dig +short -t A whitneybaptist.org
72.24.34.252
[/usr/home/andy]
-> dig +short -x 72.24.34.252
34-252.72-24-cpe.cableone.net.

(from the church FBSD machine)
[/home/afalanga]
-> hostname
whitbap
[/home/afalanga]
-> ifconfig fxp0
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        options=8<VLAN_MTU>
        inet 192.168.2.23 netmask 0xffffff00 broadcast 255.255.255.255
        ether 00:d0:b7:74:87:48
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
[/home/afalanga]
-> cat /etc/resolv.conf
search McCutchanLAN
nameserver 192.168.2.1


It doesn't take a rocket scientist, or a computer scientist, to figure out we've got DNS issues. I'm thinking that I should setup a domain within the 192.168.2.0/24 network on this box. I've done this before, at work. The question I've got is I've never actually integrated a domain like this to a domain on the Internet. I'm thinking that we'll setup something like: internal.whitneybaptist.org with hosts in that sub-domain.



First, what are you trying to accomplish with the internal DNS?  Make it easier 
to
resolve machines in the 192.168.2.0 network?  Allow lookups external of the
192.168.2.0 network?  What machine is 'mail.whitneybaptist.com'?  Is it on the
192.168.2.0 network?  Is it reachable from the Internet?

Who is the owner of whitneybaptist.org DNS zone?  I show the following NS 
servers:

[EMAIL PROTECTED]/src/MPS/DocDownload 140 > dig +short -t NS whitneybaptist.org
ns1.domaindirect.com.
ns2.domaindirect.com.
ns3.domaindirect.com.

Which is administered by tucows.com (Tucows, Inc) a seller of DNS services.

So, what would my DNS tables need to look like to make this happen. Also, to any knowledgable souls here, what RFCs address these issues?


You can read the RFC's if you want, but you would be better served to purchase
"DNS and BIND, Fourth Edition, by Paul Albitz & Cricket Liu" to learn how to
administer DNS.

Patrick
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