David Einslow

003 - When Chinese Domains Appeared in My DNS Logs by: David Einslow (a.k.a. - That Private Dude) TL;DR: I discovered hundreds of DNS queries to unfamiliar Chinese domains in my logs and initially feared my network was compromised. After days of investigation, I discovered someone in China was using my NextDNS configuration ID—likely through brute-forcing or an unknown leak. The fix was simple: regenerate your NextDNS config ID. If you use NextDNS, check your logs now to ensure you're the onl...

002 - Mastering Email Aliases – A Follow‑Up Primer by: David Einslow (a.k.a. - That Private Dude) Introduction This is a follow‑up to my previous post, “Refining the Email Strategy of the GOAT.” While that piece dove straight into practical workflows, it did not clarify the terminology that underpins the whole discussion. If you’re new to privacy‑focused email practices, or even privacy in general, consider this a brief glossary and conceptual overview that will help you understand why ali...

Refining the Email Strategy of the GOAT by: David Einslow (a.k.a. - That Private Dude) Introduction Privacy‑savvy readers of Michael Bazzell’s Extreme Privacy (5th Edition) know that email is the digital front door to our lives. A single address can betray more than a careless “reply‑all” ever could. Yet the modern toolbox—custom domains, aliasing services such as SimpleLogin, and the ever‑reliable ProtonMail—offers enough levers to keep the door firmly shut. In this post we’ll walk throu...