Blog
From a List of IP Addresses to Defensible Network Groups
A controlled investigation of network grouping from raw addresses, including the evidence to record, the repair to test, and the limits of the result.
October 26, 2026
A 200 OK Page Can Still Be Broken
A controlled investigation of successful status with failed content, including the evidence to record, the repair to test, and the limits of the result.
October 23, 2026
Measuring the Throughput a VPN Must Sustain for Streaming
A controlled investigation of sustained streaming capacity, including the evidence to record, the repair to test, and the limits of the result.
October 21, 2026
Building an XML Sitemap From Application Routes Instead of a Crawl
A controlled investigation of route-driven sitemap inventory, including the evidence to record, the repair to test, and the limits of the result.
October 19, 2026
SPF Pass, DMARC Fail: How Alignment Actually Breaks
A controlled investigation of DMARC identifier alignment, including the evidence to record, the repair to test, and the limits of the result.
October 16, 2026
How to Test a VPN Before Trusting It With Daily Traffic
A controlled investigation of pre-use VPN verification, including the evidence to record, the repair to test, and the limits of the result.
October 14, 2026
Why IP Geolocation Databases Disagree on the Same Address
A controlled investigation of IP location disagreement, including the evidence to record, the repair to test, and the limits of the result.
October 12, 2026
What Your IP Address Leaks and the Tools That Help Plug the Gaps
Your IP address reveals more than you think. See what sites, ISPs, and ad trackers collect from it, and the layered tools that close the gaps.
October 9, 2026
What Your IP Address Shows About You and Whether Your Passwords Are Safe
Your IP address reveals more than you think. Learn what it exposes, how to limit it, and why checking for breached passwords is the next step.
October 9, 2026
Your IP Address Is Not the Only Thing Websites Use to Track You
Your IP is just one piece. Learn how browser fingerprints, cookies, DNS leaks, and email sign-ups expose your online identity, and what stops them.
October 9, 2026
How to Check for DNS Leaks and Keep Your VPN Actually Private
DNS leaks can expose your browsing even with a VPN connected. Learn what they are, how to test for one, and how to fix it today.
October 9, 2026
What Your IP Address Reveals to Websites and How to Limit It
Learn what your IP address exposes to every website you visit, from your city to your ISP, and get practical steps to limit what leaks.
October 9, 2026