You are making zero sense. The point is the ids are random, so yes there are 74 quintillion possibilities. And roughly 74 quintillion 404’s. You need to check a

You are making zero sense. The point is the ids are random, so yes there are 74 quintillion possibilities. And roughly 74 quintillion 404’s. You need to check all of them. If you want to keep up with them you need to check them often. No one has the cash to check 74 quintillion anything even with a million 386s. Even the 386sx.