*DotCom Secrets: The Underground Playbook for Growing Your Company Online* is a book by Russell Brunson, published in 2015.

The book provides strategies and insights for building and scaling online businesses. Brunson shares principles and tactics for effective digital marketing, including sales funnels, lead generation, and customer acquisition. *DotCom Secrets* is aimed at entrepreneurs and marketers looking to optimize their online presence and drive sales through proven techniques and methodologies. The book offers practical advice and actionable steps for achieving success in the digital marketplace.