Sunan Ibn Majah 1924
سنن ابن ماجه#1924Sahihحَدَّثَنَا أَحْمَدُ بْنُ عَبْدَةَ، أَنْبَأَنَا عَبْدُ الْوَاحِدِ بْنُ زِيَادٍ، عَنْ حَجَّاجِ بْنِ أَرْطَاةَ، عَنْ عَمْرِو بْنِ شُعَيْبٍ، عَنْ عَبْدِ اللَّهِ بْنِ هَرَمِيٍّ، عَنْ خُزَيْمَةَ بْنِ ثَابِتٍ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " إِنَّ اللَّهَ لاَ يَسْتَحْيِي مِنَ الْحَقِّ " . ثَلاَثَ مَرَّاتٍ لاَ تَأْتُوا النِّسَاءَ فِي أَدْبَارِهِنَّ " .
It was narrated from Khuzaimah bin Thabit:That the Messenger of Allah (ﷺ) said: “Allah is not too shy to tell the truth,” three times. “Do not have intercourse with women in their buttocks.”
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 9:80