telnet, netcat and nmap are often nowhere to be found on corporate provided Windows laptops. Thankfully there is the Test-NetConnection Powershell function.

Oh the joys of KB5034441... Also a little bit of PowerShell..

As an IT consultant in 99,5% of all cases I'm provided a notebook with Windows as operating system. As this is (sadly) still the standard, even when you do your work only on Linux machines.. Therefore I do have to use many separate Windows tools..