Other than using telnet with this syntax (it is required to install Telnet Client on device using add/remove program or alternative ways)
telnet IP/hostname port_number
telnet 192.168.100.2 443
otherwise you can utilize powershell too with this syntax
PS C:\> Test-NetConnection
or PS C:\> tnc
Example 1: Test ping connectivity
PS C:\> Test-NetConnection
Example 2: Test ping connectivity with detailed results
PS C:\> Test-NetConnection -Port 80 -InformationLevel "Detailed"
Example 3: Test TCP connectivity and display detailed results
PS C:\> Test-NetConnection -ComputerName ayampenyet.com -Port 443
Example 6: Perform route diagnostics to connect to a remote host with routing constraints
PS C:\> Test-NetConnection -ComputerName "www.contoso.com" -ConstrainInterface 5 -DiagnoseRouting -InformationLevel "Detailed"
more examples coud be found here