Telnet used to come pre-installed in Windows but not in Windows 10.
Table of Contents
Windows 10 does not come with Telnet pre-installed.
Even DOS Command Prompt has also become secondary with PowerShell taking the center stage.

you’ve got the option to also put an IP address instead of the name.
80 is the port number which you want to probe.
You should replace 80 with you desired port number.

Lets check whether aremote internet portis open and listening or not.
tns is short forTest-NetworkConnectioncommand.
google.com is the host name.

it’s possible for you to also put an IP address instead of the host name.
you could specify the port number using the -port switch at the end of tnc command.
5
Get weekly insights, tips and exclusive content delivered straight to your inbox.
Talk to us straight and get your questions answered right away
source: www.itechtics.com