ENOfficial
It was narrated from 'Uqbah bin 'Amir that: The Prophet (ﷺ) said: "There have been revealed to me Verses the like of which has never been seen: 'Say: I seek refuge with (Allah) the Lord of the daybreak...' to the end of the Surah, and 'Say: I seek refuge with (Allah) the Lord of mankind...' to the end of the Surah."
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، قَالَ حَدَّثَنَا يَحْيَى، قَالَ حَدَّثَنَا إِسْمَاعِيلُ، قَالَ حَدَّثَنَا قَيْسٌ، عَنْ عُقْبَةَ بْنِ عَامِرٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " أُنْزِلَ عَلَىَّ آيَاتٌ لَمْ يُرَ مِثْلُهُنَّ { قُلْ أَعُوذُ بِرَبِّ الْفَلَقِ } إِلَى آخِرِ السُّورَةِ وَ { قُلْ أَعُوذُ بِرَبِّ النَّاسِ } " . إِلَى آخِرِ السُّورَةِ .
sunnah.com