Brown Spots Why Why Do I Have Brown Spots On Eating Utensils (stainless Steel) After Cleaning In Dishwasher?

Why do I have brown spots on eating utensils (stainless steel) after cleaning in dishwasher? - brown spots why

I have new plates and cutlery) (stainless steel, and every time you clean in the dishwasher, brown spots each piece.

What could be causing this?

And is it harmful?

Thank you!