https://304geeks.blogspot.com/2013/01/dns-scraping-for-corporate-av-detection.html
The 304Geeks: [UPDATED] DNS Scraping for Corporate AV Detection - "Admins, stop sharing your cache...
NEW TOOL: Scrape-DNS **Since this was first posted the technique has been implemented into Metasploit (which means it's on Kali Linux), ...