This is a hosted dedicated server no LAN/WAN schema.
As per ur request
[root@webmail rc3.d]# uname -a
Linux webmail.cntit.com 2.6.20.1 #12 SMP Fri May 18 19:03:50 EDT 2007 i686 i686 i386 GNU/Linux
[root@webmail rc3.d]# cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
# 64.33.49.12 controlpanel.cntit.cntit.com
www.controlpanel.cntit.cntit.com
64.33.49.11 webmail.cntit.com webmail
[root@webmail rc3.d]# vi /etc/hosts
[root@webmail rc3.d]# cat /etc/redhat-release
Fedora Core release 5 (Bordeaux)
[root@webmail rc3.d]#
Luis