www.macintoshexpress.com-nmap_results

Starting nmap V. 2.54BETA3 ( www.insecure.org/nmap/ )
Warning:  OS detection will be MUCH less reliable because we did not find at least 1 open and 1 closed TCP port
Interesting ports on addr2.addr.com (209.249.147.251):
Port       State       Service
22/tcp     filtered    ssh                     
23/tcp     open        telnet                  
25/tcp     open        smtp                    
53/tcp     open        domain                  
80/tcp     open        http                    

TCP Sequence Prediction: Class=random positive increments
                         Difficulty=76522 (Worthy challenge)
Remote operating system guess: FreeBSD 2.2.1 - 4.1

Nmap run completed -- 1 IP address (1 host up) scanned in 9 seconds