About haagermany.help

I recieved an email from noreply@haagermany.help about 8 months ago to submitt some documents. I submitted all the documets but didnt recieved a confermation email imediatly. Its about 8 months that i have not heard from them. Now i have a doubt that did my submition has sent? What should i do know? Should i wait or resubmit the documents on the same link, that link still works.