Discussion: DNS problem
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Vieux 10/08/2006, 02h51   #3
Barry Margolin
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Par défaut Re: DNS problem

In article <1155167630.715023.211170@75g2000cwc.googlegroups. com>,
soup_or_power@yahoo.com wrote:

> Hi
> I am able to view www.membersedgellc.com from itnernet. However, it is
> not viewable from our office net (intranet). Traceroute shows only the
> gateway 192.168.1.253 and the external IP 209.178.198.245.


209.178.198.245 is the address of www.membersedgellc.com. Are you
redirecting that address to an internal server on your firewall? Many
firewalls don't let internal users access the public IP of a redirect;
NAT only works when going in-to-out or out-to-in, but not in-to-in. You
need to put the private IP on your internal DNS server.

>
> Also the internal DNS server (192.168.5.10) resolves the
> admin.scholasticfundinggroup.com correctly but fails to resolve
> epcs.scholasticfundinggroup.com. Both these sites are registered with
> external DNS servers (e.g. check with dnsstuff.com). In fact, the
> internal DNS server resolves epcs.scholasticfundinggroup.com to
> 192.168.5.58 which is obsolete because I changed the IP to
> 192.168.11.58. I don't know why DNS server can't update itself. Or do I
> need to set them up? Here are the external DNS hosts (forwarders)
> 209.178.200.2, 209.178.223.4, 209.178.200.4


Where did you change it? If you just changed the address on the server,
you still have to update your internal DNS.

--
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***
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