Jami` at-Tirmidhi 2980
جامع الترمذي#2980HasanNarrated Ibn 'Abbas:"'Umar came to the Messenger of Allah (ﷺ) and said: 'O Messenger of Allah! I am ruined!' He said: 'Why are you ruined?' He said: 'I turned my mount during the night (meaning that he went into his wife from behind).'" He said: "So the Messenger of Allah (ﷺ) did not say anything in reply to him. Then Allah revealed this Ayah to the Messenger of Allah (ﷺ): 'Your wives are a tilth for you, so go to your tilth when or how you will (2:223).' From the front, the back, avoiding the anus, and menstruation
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirHasan
Al-AlbaniHasan
Bashar Awad MaaroufHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 47:32