If it is
http://ipodworld.hostzi.com
Then hes using 000webhost.
http://www.000webhost.com/faq.php?ID=24
FAQ:
You have go to our members' area, enter the control panel and click on the 'MySQL' icon. Your MySQL hostname will be listed there.
Important! Never use 'localhost' as your MySQL hostname here or you will get access denied errors!
