It wasnarrated that Muhammad said:
"I asked Anas bin Malik aboutQunut,and he said: 'The Messenger of Allah (ﷺ) recited Qunut afterRuku'.'" (RU)
English reference (RU): Vol. 1, Book 5, Hadith 1184 (RU)
Arabic reference (RU): Book 5, Hadith 1240 (RU)