Mailhardener and dmarcdigests are 2 that I've used. Dmarcdigests also has a free version through postmark that sends you a summary email weekly instead of a das

Mailhardener and dmarcdigests are 2 that I've used. Dmarcdigests also has a free version through postmark that sends you a summary email weekly instead of a dashboard. I personally like mailhardener, I felt the dashboard was better and easier to understand.