uh, to the best of my knowledge the kock brothers have never given a penny to the DNC.
So, please give a REAL link to such.

Here is there spending for 2016 and not a single D in it:
https://www.opensecrets.org/orgs/recips.php?id=d000000186

And then you can look it up here. 
https://www.opensecrets.org/orgs/list.php