If you are the owner of that site, I am told by Firefox to inform you an error occurs during connection with bitmixlist.com.
Secure Connection Failed
An error occurred during a connection to bitmixlist.com.
- The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
- Please contact the website owners to inform them of this problem.
I just checked with 3 different FF based browsers and all worked fine.