http://snippets.bentasker.i2p/posts/bash/intercepting-outbound-dns-queries.html
Some devices and apps, though, insist on ignoring the DHCP provided DNS server and instead use Google's public DNS service. Rather than letting these queries sneak out, I opted to intercept them at the router It's also useful, in some cases, when pentesting as it allows you to demonstrate the ability to use a router as a pivot point to silently send traffic to your "malicious" DNS server This snippet details how to intercept and redirect...