Open Port Checker
Check a domains ports to see if they are open or closed.
About Open Port Checker
The purpose of the Open Port Checker tool is to check if a domains ports are open, you can either check one port or multiple ports that are separated by commas. Input your domain into the first text box, this could be an IP address, hostname, or domain name, for example, you could put "https://codeshack.io" into the first text box, the second text box is for ports, you can either put one port or multiple ports separated by commas. This tool is fast, free, and easy to use, you can check as many ports as you want.
Why Check Ports?
You check ports to see if they are open or closed, for example, you could be configuring your firewall and you can't understand why your public application (that uses ports) is not working correctly, with this tool you can check to see if your applications ports are open or closed.