Perhaps, but blocking 53 is better than not, IMHO. I've seen devices fall back once blocked to a hard-coded dns, so it works today. DoH is another that devices

Perhaps, but blocking 53 is better than not, IMHO. I've seen devices fall back once blocked to a hard-coded dns, so it works today. DoH is another that devices will eventually employ, so that's another whack-a-mole situation.