Yeah it should be a blackjack, there should be no options to hit to get more card. I just tried myself as I'm curious how could you get that blackjack but you could hit for more card. Here is the same result
http://prntscr.com/myxzu8 10 A is not a (direct/automatic) blackjack as well. I wonder why no one reported it previously, is it a new bug that has just occured recently?
I decided to click Stand on that cards, the payout is correct for a blackjack but it is obviously broken software.
How to manually verify results?
Hit the menu button then click Provably Fair as shown in this screenshot
http://prntscr.com/myy1ns