Dummy question: non-zero voltage between off OUTPUT pin and GND?

[twostar]

What happens if you try this with 12V input instead of 24V?  The reason I ask is that the HSS4P06 is specced for a max gate-source voltage (V/GS) of 20V while in this case it could be 24V (depending on what effect the 5.1K pullup has).