Per the announcement:
- Killing and looting any final Dungeon boss
- Killing and looting any final Trial boss
- Killing and looting any World boss
- Completing any Incursion event, such as a Dark Anchor, Abyssal Geyser, Bastion Nymic, or similar
Although the phrasing of the last point should follow the pattern of the first three: you must get credit for the boss itself, not the participation chest for dolmens or shell for geysers, in order to get a Jubilee box.
Per the announcement:
- Killing and looting any final Dungeon boss
- Killing and looting any final Trial boss
- Killing and looting any World boss
- Completing any Incursion event, such as a Dark Anchor, Abyssal Geyser, Bastion Nymic, or similar
Although the phrasing of the last point should follow the pattern of the first three: you must get credit for the boss itself, not the participation chest for dolmens or shell for geysers, in order to get a Jubilee box.
Wrong thread?
Anyway, to the OP, no: public dungeons aren't dungeons.
Actually, if you check your list the first item says Killing and looting *any* final dungeon boss.
I'm just the messenger: public dungeons don't count as dungeons.