Test a port using your browser In your browser address bar: http://portquiz.net:XXXX
Examples: http://portquiz.net:8080 http://portquiz.net:8 http://portquiz.net:666
$ telnet portquiz.net 27017
Trying ...
Connected to portquiz.net.
Escape character is '^]'.
$ nc -v portquiz.net 27017
Connection to portquiz.net 27017 port [tcp/daytime] succeeded!
$ curl portquiz.net:27017
Port 27017 test successful!
Your IP: XXX.XXX.XXX.XXX
$ wget -qO- portquiz.net:27017
Port 27017 test successful!
Your IP: XXX.XXX.XXX.XXX
PS C:> Test-NetConnection -InformationLevel detailed -ComputerName portquiz.net -Port 27017