Nmap scan report for mailx3.iitm.ac.in (103.158.42.47)
Host is up (0.23s latency).
Not shown: 96 filtered tcp ports (no-response)
PORT    STATE  SERVICE
25/tcp  open   smtp
80/tcp  open   http
113/tcp closed ident
443/tcp closed https

Nmap done: 1 IP address (1 host up) scanned in 6.47 seconds