Troubles with DNS

[Stephane Bortzmeyer]

On Wed, Nov 14, 2007 at 09:29:03AM -0300,
 Rodrigo Tavares <digolinopage at yahoo.com.br> wrote 
 a message of 36 lines which said:

> Sometimes, when I try to access a site come this message in firefox:

A Web browser is a very poor tool to debug DNS servers (there are too
many layers involved). Use dig or a similar tool. For instance:

dig @your-recursive-name-server A  www.desolation.org 
dig +trace  A  www.desolation.org 
 
> Is there a error in my DNS Server ?

May be, but the log of this name server will tell you more...