Traceroute

Windows

 * Open an MS-DOS prompt (command prompt).
 * Type  and hit the Enter key. If you want to check the email server, use   instead.

Linux

 * In Debian based Linux (such as Debian or Ubuntu) you will usually need to install the traceroute package using something like
 * You can then perform a traceroute from the terminal by typing
 * Note that some Linux variants require you to specify the protocol after -I. i.e.,

Mac OS 9

 * Download WhatRoute (alternative)

Mac OS X

 * Use the command line Terminal (usually found in the Utilities folder inside of Applications)
 * Type


 * Use the Network Utility graphical program (usually found in the Utilities folder inside of Applications)
 * Click the Traceroute button in the top bar, type in the server name and click the Trace button. To copy and paste the results, just copy and paste all the text from the results area.

Copying and pasting results
For some users (especially those with PCs) copying and pasting the results of the traceroute output can be confusing. There's a couple of ways to accomplish this, however.


 * 1) From a Windows PC, you can copy the results of the traceroute output by right-clicking inside the 'cmd' window and selecting 'Mark'.
 * 2) From there, click and drag a box around the lines that you would like to copy.
 * 3) Then, right click inside the 'cmd' window again or press 'Enter' to copy the selected error.
 * 4) Paste the results into your email to support.

If you'd rather skip the extra clicking, you can have the traceroute command output the results to a text file automatically. Here's how:


 * Issue a command similar to the following:

This also applies to Mac and Linux users:


 * You would issue a line similar to the following: