Sunan Abi Dawud 2162
سنن أبي داود#2162HasanNarrated AbuHurayrah: The Prophet (ﷺ) said: He who has intercourse with his wife through her anus is accursed
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan
Muhammad Muhyi Al-Din Abdul HamidHasan
Zubair Ali ZaiHasan
In-book reference: 12:117