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DNS Setup Question

Posted on 2007-04-03
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Last Modified: 2010-04-18
Hi All

I'm trying to set up DNS on a windows 2003 server and cant seem to get it the servers internal IP is 192.168.1.50 and the modem/routers IP address 192.168.1.1


Port Forwarding on 192.168.1.1 is fowarded to 192.168.1.50

POP3 - TCP Any -> 110
SMTP - TCP Any -> 25
FTP - TCP Any -> 21
HTTP - TCP Any -> 80
DNS - TCP 53 -> 53
TCP 1024-65535 -> 53
UDP 53 -> 53
UDP 1024-65535 -> 53

Now www.MyDmoaninName.com and 192.168.1.50 work fine on the “SERVER”.

On the local intranet: www.MyDmoaninName.com does “NOT” work but 192.168.1.50 works fine.

On the internet nothing works.
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Question by:blnukem
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12 Comments
 
LVL 33

Expert Comment

by:NJComputerNetworks
ID: 18842854
I am assuming that you have a domain...

1) on the Windows 2003 DNS /DC server go into the TCP/IP settings.  The DNS tab should only be set to point to itself: 192.168.1.50 or 127.0.0.1  (All members of the domain should also be set to 192.168.1.50...and no secondary)

2) Configure forwarding on your DNS/DC server....

Go into the DNS console...  right click your server name --> click the forwarders tab...and enter 192.168.1.1  then click OK

Retry your queries.
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LVL 33

Expert Comment

by:NJComputerNetworks
ID: 18842912
What is your internal windows domain name?  If your internal windows domain name matches your external internet domain name "MyDmoaninName.com", then you will have to create an "A" record to fix this problem:

"On the local intranet: www.MyDmoaninName.com does “NOT” work but 192.168.1.50 works fine. "

Go into the DNS console... create an A record called WWW with an IP address of 192.168.1.50

0
 

Author Comment

by:blnukem
ID: 18843724
NJComputerNetworks

Did all that and have the same results as before.
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LVL 33

Expert Comment

by:NJComputerNetworks
ID: 18843832
- Post your DC TCP/IP settings

- Post your member workstations TCP/IP settings...

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LVL 33

Expert Comment

by:NJComputerNetworks
ID: 18843845
Also you can use the NSLOOKUP command to test DNS queries...

http://support.microsoft.com/kb/200525

EXAMPLES

C:\>nslookup computerhope.com
Server: ns.computerhope.com
Address: 1.1.1.1

Name: computerhope.com
Address: 204.228.150.3

 
0
 

Author Comment

by:blnukem
ID: 18844038

NJComputerNetworks

SERVER:

IP Address: 192.168.1.50
Subnetmask: 255.255.225.0
Default Gateway: 192.168.1.1
DNS Server: 192.168.1.50 & 127.0.0.1
WINS Server:


WORKSTATION:

Controlled by DHCP
IP Address: 192.168.1.3
Default Gateway: 192.168.1.1

0
 

Author Comment

by:blnukem
ID: 18844055

C:\>nslookup on the server

Default Server: UnKnown
Address: 192.168.1.50
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LVL 33

Accepted Solution

by:
NJComputerNetworks earned 2000 total points
ID: 18844112
Go into DNS console... add a reverse lookup zone for 192.168.1.x

then retry NSLOOKUP

C:\>nslookup computerhope.com
Server: ns.computerhope.com
Address: 1.1.1.1

Name: computerhope.com   <--- type your internal domain name
Address: 204.228.150.3       <-- the response should be your DC IP address


Regarding DHCP:

WORKSTATION:

Controlled by DHCP
IP Address: 192.168.1.3
Default Gateway: 192.168.1.1
Add... DNS settings too...  192.168.1.50
0
 

Author Comment

by:blnukem
ID: 18844447

NJComputerNetworks

Now works om the Intranet! Now I need to go look remotely back in a few.
0
 

Author Comment

by:blnukem
ID: 18844751
NJComputerNetworks

It does not work on the Internet
0
 

Author Comment

by:blnukem
ID: 18844814

NJComputerNetworks

I will ask that in a different question.
0
 
LVL 33

Expert Comment

by:NJComputerNetworks
ID: 18844815
can you explain more about "It does not work on the Internet"?

Do you mean from inside you domain, you can not resolve internet names?  like www.yahoo.com ?


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