Sharing the following link in facebook is returning 404 error page information instead of the page details and link even though the page exists:
http://www.kentbusin
You should use the debugger provided by Facebook at https://developers.facebook.com/tools/debug/
There, please make sure that your original URL (Fetched URL) and the canonical URL match !!!
For whatever reason, if you end up setting up the wrong og:url entry, it distorts the canonical URL, which does not match the Fetched URL and this is a problem for Facebook. Just make sure that the og:url (canonical URL) entry matches with the actual URL, and hence its not perceived as a redirection