The truth will not be tolerated.
Of course there are no OFFICIAL no-go zones. But if any non-Muslims enter the areas in question, they're lucky to emerge with their heads still attached to their torsos. That makes them no-go zones, for all practical purposes.
In a sane country, CAIR would be outlawed and the citizenship of its members revoked.
As would be a host of organizations that advocate for foreign powers. A great example being “La Raza”.