IsPortOpen.md

Run this command with PowerShell to validate that a port on another machine is open

Test-NetConnection -Port 53 -ComputerName 192.168.0.1 -InformationLevel Detailed

Typical output

ComputerName            : 192.168.0.1
RemoteAddress           : 192.168.0.1
RemotePort              : 53
NameResolutionResults   : 192.168.0.1
                          aaa.bbb.ccc
MatchingIPsecRules      : 
NetworkIsolationContext : Private Network
IsAdmin                 : False
InterfaceAlias          : Ethernet
SourceAddress           : 192.168.0.##
NetRoute (NextHop)      : 0.0.0.0
TcpTestSucceeded        : True

References

https://stackoverflow.com/questions/273159/how-do-i-determine-if-a-port-is-open-on-a-windows-server