At CinemaCon this year, the Motion Picture Association Chairman and CEO Charles Rivkin said the organization is going to work with Congress to establish and enforce a site-blocking legislation in the United States.
They may not know how it works, which is why it's fucking dangerous that they are getting "consulted" by the MPA.
Best case scenario: it's just a DNS level block.
Worst case scenario: it's a DNS level log capture so that the MPA can sue people who watch things on fmovies or similar sites, like the RIAA did in the 90s.