Simple tcp dial for me to check multiple ports sometimes
➜ checkport git:(master) ./checkport google.com:443 microsoft.com:443 yahoo.com:4444 example.com:5555
Timeout is set to 5s seconds.
OK google.com:443
OK microsoft.com:443
X yahoo.com:4444
X example.com:5555
➜ checkport git:(master)