Performing a basic port scan (nmap -F yushak.hatenablog.com)
Nmap scan report for yushak.hatenablog.com (35.75.255.9)
Host is up (0.10s latency).
Other addresses for yushak.hatenablog.com (not scanned): 54.199.90.60
rDNS record for 35.75.255.9: ec2-35-75-255-9.ap-northeast-1.compute.amazonaws.com
Not shown: 98 filtered ports
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 3.75 seconds