Performing a basic port scan (nmap -F estrellagalicia.de)
Nmap scan report for estrellagalicia.de (176.58.9.56)
Host is up (0.15s latency).
rDNS record for 176.58.9.56: mail.estrelladegalicia.es
Not shown: 93 filtered ports
PORT STATE SERVICE
25/tcp open smtp
53/tcp open domain
80/tcp open http
110/tcp open pop3
113/tcp closed ident
143/tcp open imap
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 4.59 seconds