Authorize.net Recurring Payment not being updated
CiviCRM records post parameters send by Authorize.net you can find it in civicrm_system_log table. You can also use api explorer to get the data using SystemLog  entity. 

If you know the system log id than you can replay the ipn request to civicrm.

Ref: https://civicrm.stackexchange.com/a/4510/155