Proxy-DNS Caching Attacks: When You Become Your Own Canary
If you’re like most people building stealth infrastructure, you probably spent the last year patching every surface leak you could find—TLS quirks, header entropy, request timing, canvas, WebGL, AudioContext. Maybe you even got clever with session logic, blending in idle time, letting your browser stutter just a bit. But odds are, there’s one thing you’re still missing, buried deep in the flow and forgotten by almost everyone until it’s too late—DNS caching.