Yes. That's why I put the footnote there.

Well, I read that footnote, but I'm not sure if overloading the acronym is the best idea, is what I'm trying to say.

I agree with you there. But the term does not belong to me buy yo CISA and other organisations. But it's not as bad as Cyber Security Awareness Month acronym at least

“PDNS” also often refers to “Passive DNS”, never heard of “protective dns” before.