scrat@scrat:~$ nmap -sT www.goolook.ru

Starting Nmap 4.20 ( http://insecure.org ) at 2007-06-28 13:44 MSD
Interesting ports on smtp.goolook.ru (213.248.63.39):
Not shown: 1689 filtered ports
PORT STATE SERVICE
22/tcp open ssh
25/tcp closed smtp
53/tcp open domain
80/tcp closed http
110/tcp closed pop3
113/tcp closed auth
443/tcp closed https
8000/tcp closed http-alt

Nmap finished: 1 IP address (1 host up) scanned in 28.688 seconds