This is sad and sorry for the hard time you are getting with the non-responsive casino support, but you have not included all the necessary details showing your deposit details on the blockchain and screenshots showing that your account has been banned
Duckdice has had a shady past, they did try to clean the image after some time, but I am not sure how far they have gone.
to all who concerned about the screenshot is not showing duckdice email here it is,
https://i.imgur.com/u0fymwa.jpegi did contact their live support but the live support was rude they limited me and i wasn't able to use live support option as it was disappeared of my screen.
then i start sending mails to
Support@duckdice.io from where i just got an automated response few days ago.
now some of users asked to provide proof of ban,
https://imgur.com/a/7hP3VLGbanned from all actions.