Traceroute is a common diagnostic tool for displaying the route (path) and measuring transit delays of packets across a network. The traceroute command is available on most modern operating systems.

CloudFlare Support will frequently ask for the output of a traceroute (you must have CloudFlare turned on) if you are experiencing connectivity issues.

Windows

    Open the Start menu
    Click on Run
    Type cmd and then press the OK button to open a command prompt
    At the prompt, type tracert yourdomain.com and press the Enter key
    To copy the output, right-click anywhere in the window and select Mark. You can press Enter to copy all of the output, or select the text you want to copy and then right-click with your mouse. Paste the copied text by hitting CTRL + V.

Note: To traceroute IPv6 you would simply execute :  tracert -6 'your_domain_url'

Linux

    Open a terminal window
    Type traceroute yourdomain.com at the prompt and press the Enter key

Note: To traceroute IPv6 you would simply execute traceroute6 yourdomain.com

Mac OS

    Go to Applications -> Utilities -> Network Utility -> Traceroute
    Type the domain or IP address in the appropriate input field and press Trace. You can also open a terminal window and use the same instructions as you would for performing a traceroute in Linux.

Note: To traceroute IPv6 you would simply execute traceroute6 yourdomain.com