So Rahner is to be trusted until absolutely proved otherwise. I get it.
Do you have any idea what Denzinger's reputation is like or how widely used it is? It is under constant scrutiny by countless scholars who would pick up on the sort of inaccuracies being suggested. And if such a thing happened it would be big news.
Heresy is certainly a great evil, but it is not sufficient cause to go about accusing people of random crimes with no evidence.