The topic already had been discussed in
In post #27 and #36 DxO staff explained in detail, that & why the export to DNG with the option “All corrections applied” (PL5) resp. “All corrections except Color Rendering” (PL6) *) does not contain the default color rendering of the camera (DxO Camera Profile). …
*)
in PL6.3.1 renamed again as before “All corrections applied”
( the screenshots in PL6 online manual still show “All corrections except Color Rendering” )