1.     Click Finder or press 〔Command〕+〔N〕

2.     Double click Applications, click Utilities, double click Terminal

3.     In the command mode, enter the command with the hostname :

ping   www.yourdomain.com      (example: ping   www.wcpdemo.com)

and then enter

tracert   www.yourdomain.com   (example:  tracert   www.wcpdemo.com)

If it's your email connection problem, then enter

ping   mail.yourdomain.com      (example:  ping  mail.wcpdemo.com)　

tracert   mail.yourdomain.com   (example:  tracert mail.wcpdemo.com)

If it's your website connection problem, then enter 

ping    www.yourdomain.com       (example:  ping   www.wcpdemo.com)

tracert    www.yourdomain.com    (example:  tracert   www.wcpdemo.com)

If it's your FTP connection problem, then enter

ping   ftp.yourdomain.com         (example:  ping   ftp.wcpdemo.com)

tracert     ftp.yourdomain.com      (example:  tracert   ftp.wcpdemo.com)

4.     To cancel the ping, press CTRL + C. The network results will look similar to :

Ping result:

    Traceroute result:

5.     To capture the screenshot, press Command + Shift + 3.

6.     After you have dumped the results, please send them to [email protected] for investigation.