Nmap scan report for zs.region73.ru (109.197.194.208)
Host is up (0.048s latency).
Not shown: 97 filtered tcp ports (no-response)
PORT    STATE SERVICE
25/tcp  open  smtp
110/tcp open  pop3
443/tcp open  https

Nmap done: 1 IP address (1 host up) scanned in 2.85 seconds