If you suspect a domain or a page redirect is not operating correctly, there are a couple of handy tools to help you trace the path of the redirects.
The best stand alone quick redirect checker. Outputs a nice flow chart graphic showing the redirect path. Site also has some tips for creating a redirect.
This is installed as a Chrome extension. The extension appears as an app icon in the upper menu bar. After entering the domain in the browser navigation field, clicking on the icon outputs the redirect path. Clicking on each path step provides detailed information such as IP address, web server type and content type.
To install, go to the extension screen in Chrome. Search specifically for the Redirect Path extension.
No web site available. Go to Goggle Chrome extension library.