Sunan Ibn Majah 814
سنن ابن ماجه#814SahihIt was narrated from Abu Hurairah that the Prophet (ﷺ) used to start his recitation with ‘All the praises and thanks are to Allah, the Lord of all that exists’ (Al-hamdu Lillahi Rabbil-‘Alamin),’ [1:]
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih Lighairihi
Zubair Ali ZaiSahih
In-book reference: 5:12