That looks like a BSD 3-clause licence to me, https://opensource.org/licenses/BSD-3-Clause https://opensource.org/licenses/BSD-3-Clause. The talk of DMCA takedo

That looks like a BSD 3-clause licence to me, https://opensource.org/licenses/BSD-3-Clause https://opensource.org/licenses/BSD-3-Clause. The talk of DMCA takedowns is concerning and could mean that the original author is not aware that he can't revert the licence. I hope he just talks about accidental copies of a newer version. But even then…