Dns not respond to some queries...

[Juan Tommasone]

Hi, 
I have a Dns Server w/W2k....We recieve mails from some domains, but not all
!!. 
Did you know why this happens ??
whats the problem could be??

Juan Tommasone
Docuprint
Sistemas
Tel.4343-4747 {int.1502}
 <<Juan Tommasone (E-mail).vcf>> 

Juan Tommasone (E-mail).vcf