Authenticity of a Durood
Q: Is the following Durood and virtue authentic?
اَللّهُمَّ صَلِّ عَلَى سَيِّدِنَا مُحَمَّدٍ مَّا اخْتَلَفَ الْمَلوَان وَتَعَاقَبَ الْعَصَرَانِ وَكَرَّ الْجَدِيدَانِ وَاسْتَقْبَلَ الْفَرْقَدَانِ وَبَلِغْ رُوحَهٌ وَأَرْوَاحَ أَهْلِ بَيْتِهِ مِنَّا التَّحِيَّةَ وَالسَّلَامَ وَبَارِكُ وَسَلِمُ عَلَيْهِ كَثِيرًا
Whoever recites this Durood Shareef three times in the morning and three times at night will get the thawaab of reciting Durood Shareef thirty thousand times in the morning and thirty thousand times at night.