Medium says they have notified “their DNS registrar, as copyright violation should be against their terms.

The website is hosted by https://www.hivelocity.net/.

You can file a report at abuse@hivelocity.net. We did as well.”

This morning I heard from hivelocity who said that I need to submit a properly formatted DMCA takedown notice and then they will proceed accordingly.

This is a link to how to do that:
https://www.name.com/support/articles/205190608-Filing-a-DMCA-complaint