It's as waterproof as a sieve, it's full of holes...
I'm guessing it's painted pebbledash. There's no point in putting a bellcast, bell curve or bell bottoms on it, as the water will be flowing through it.
You're only seeing it at the bottom because that's where gravity takes it until it ends up sitting on top of the DPC and unable to run further.
If, as suggested previously, and as looks likely, the DPC projects beyond the blocks that the render is on then it needs a projecting bell cast, drip strip or whatever, but it also needs to be water-tight so the water will run down its outside surface and not within or behind it.