1 verse has
مَّحْفُوظًۭا
in Edition Uthmani / Al-Anbiyaa (The Prophets)

32:21وَجَعَلْنَا ٱلسَّمَآءَ سَقْفًۭا مَّحْفُوظًۭا ۖ وَهُمْ عَنْ ءَايَٰتِهَا مُعْرِضُونَ