Will update with link when available, but for now a tweet via Patrick Ruffini (Republican #NeverTrump-er):
Echelon @EchelonInsights 3m3 minutes ago
Echelon Insights *post-debate* poll 9/26-27
Clinton 47
Trump 42
Clinton 44
Trump 39
Johnson 6
Stein 2
McMullin 1
1,529 LVs (Internet)
EDITED: To reflect correction noted by HillOfANight below
And here are the links...
TOPLINES:
http://echeloninsights.com/wp-content/uploads/2016/09/post_debate_survey_toplines.pdfCROSSTABS:
http://echeloninsights.com/wp-content/uploads/2016/09/Final-tabs.pdf