[zinekeller]

... that was perpetuated by BIND.

(Yes, there are other recursive resolver implementations, but they look at BIND as the reference implementation and absent any contravention to the RFC or intentional design-level decisions, they would follow BIND's mechanism.)

[account42]

It's also the most natural way to structure the answer:

Hey, where can I find A.

Answer: A is actually B

Answer: Also B can be found at 42