jm b^ÆÜkÝ:¶Y3.irjHÓå°C~ÿ9 ·FLIt's not technically possible. Anyone can broadcast the "set name" protocol with a name of their choice from any OP_return capable wallet.
https://whatsonchain.com/tx/473970ce30b6bedd13c36f5f995ab21a0a15c1a89a2f8dee00856321e7cc63f2