Nmap scan report for rfoip.com (166.84.136.81)
Host is up (0.067s latency).
rDNS record for 166.84.136.81: mail.rdss.com
Not shown: 982 filtered tcp ports (no-response), 10 filtered tcp ports (host-prohibited)
PORT    STATE  SERVICE
22/tcp  closed ssh
25/tcp  open   smtp
80/tcp  open   http
143/tcp open   imap
443/tcp open   https
465/tcp open   smtps
587/tcp open   submission
993/tcp open   imaps

Nmap done: 1 IP address (1 host up) scanned in 6.19 seconds