251. Dua to be recited after salaam #2
Thauban (RA) said that Rasulullah (ﷺ) used to say after saying istighfar three times after the prayer:
اَللَّهُمَّ أَنْتَ السَّلَامُ وَمِنْكَ السَّلَامُ تَبَارَكْتَ يَا ذَا الْجَلَالِ وَالْإِكْرَامِ
Allaahumma 'Antas-Salaam wa minkas-salaam, tabaarakta yaa Dhal-Jalaali wal-'Ikraam
Translation
O Allah, You are Peace and from You comes peace. Blessed are You, O Owner of majesty and honor.
ReferenceMuslim: 591