My domain is getting notices

Hi, everyone i am new here. Referred by a friend from Denmark. I don't is it a right place to ask or not but. I want to ask a question about my domain DMCA issue. My domain topstudyworld.com is getting DMCA notices every week. Sometimes from the domain registrar and sometime from the hosting company. I'm not using any type of illegal or prohibited content. Somebody help me finding the real solution.