On 25/08/2010 17:44, Rajagopal Swaminathan wrote: > Greetings, > > On Wed, Aug 25, 2010 at 9:08 PM, Les Mikesell<lesmikesell at gmail.com> wrote: >> On 8/23/2010 10:08 AM, Gabriel Tabares wrote: >> >> Some servers do, some don't. > Have you tried google's DNS servers 8.8.8.8 IP and one more IP I can't > recollect exactly > External DNS is not available as the servers are firewalled from the outside. When I open DNS access to the outside, the issue does not seem to appear.