RSS.com is responsible for managing and keeping your feed updated, however, each platform is responsible for reading your feed from our server to theirs. For this reason, if you decide to submit your feed to different podcast platforms (such as Spotify or iTunes), each site may have different copyright licenses.
At RSS.com we encourage our users to stick on the side of caution and use music for commercial use or music in the public domain covered by most copyright policies if your podcast will directly or indirectly generate revenue.
We have a post on our blog about the best places to get free music that you can use in your podcast without a problem.
If you decide to use copyrighted music, you will risk having your podcast removed, as many record companies have tools to automatically detect their respective music.
We suggest researching "fair use" and copyright licenses and/or contacting a competent legal professional.