This means that the other hosting provider is also using, at least for some portions of their service, the MyOwnFreeHost reseller program, which is the same thing InfinityFree uses.
InfinityFree doesn’t just magically held your domain hostage for no reason. The backend hosting platform is blocking it.
But spamming the forum will NOT get your issue resolved.
Now since you have made it clear you need to wait for Admin to come back online and check your message.
There is NO live, 24/7 support.