www.nai.com.br-nmap_results

Starting nmap V. 2.54BETA3 ( www.insecure.org/nmap/ )
Insufficient responses for TCP sequencing (0), OS detection may be less accurate
Interesting ports on web2.matrix.com.br (200.202.17.101):
(The 1 port scanned but not shown below is in state: closed)
Port       State       Service
22/tcp     filtered    ssh                     
23/tcp     filtered    telnet                  
25/tcp     open        smtp                    
80/tcp     open        http                    

Remote OS guesses: Windows NT 5 Beta2 or Beta3, Windows 2000 RC1 through final release, MS Windows2000 Professional RC1/W2K Advance Server Beta3, Windows Millenium Edition v4.90.3000

Nmap run completed -- 1 IP address (1 host up) scanned in 7 seconds