Sunan Abi Dawud 4961
سنن أبي داود#4961SahihAbu Hurairah reported the prophet (May peace be upon him) as saying :The vilest names in Allah’s sight on the Day of resurrection will be that of a man called Malik al-Amlak. Abu Dawud said: This tradition has also been transmitted by Shu'aib b. Abi Hamzah from Abi al-Zinad through different chain of narrators. This version has the words "akhna' ismin" (most obscene name) instead of "akhna ismin" (the vilest name)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (6206) Sahih Muslim (2143)
In-book reference: 43:189