Comprobación de ping (nmap -sP certifiedhacker.com)
Nmap scan report for certifiedhacker.com (162.241.216.11)
Host is up (0.032s latency).
rDNS record for 162.241.216.11: box5331.bluehost.com
Nmap done: 1 IP address (1 host up) scanned in 0.26 seconds