The IRS is a bit incorrect ... all they can tell you is it did not go directly to you but to a third party bank ... if you used TT and you choose to have the TT fees withheld from the federal return and/or got an advance on the refund ...
Santa Barbara Tax Products Group, LLC (SBTPG) is the bank that handles the Refund Processing Service when you choose to have your TurboTax fees deducted from your refund. This option also has an additional charge from the bank that processes the transaction.
You can contact them SBTPG, toll-free, at 1-877-908-7228 or go to their secure website www.sbtpg.com
https://ttlc.intuit.com/questions/2580357-who-provides-the-refund-processing-service