Networking

Cybersecurity 6 min The DMARC tag that meant 10% of the time now means all the time RFC 9989 removed the pct tag in May 2026, and the same document says receivers must ignore tags that are not r... KE Kenji Tanaka 4 Sep Developer Tools 4 min How to Set Up Caddy as a Reverse Proxy with Docker Caddy gets certificates without being asked, which is why it is the right first reverse proxy. The confusion s... KE Kenji Tanaka 31 Aug Cloud & Infra 8 min AWS Cut 69% of Its Routers by Wiring Data Centres at Random AWS abandoned shortest-path routing for a deliberately near-random fabric with thousands of equivalent paths.... KE Kenji Tanaka 31 Aug Cloud & Infra 4 min How Much of the Internet the Big Clouds Hold Add up Amazon's published address file and you get 188 million. The real figure is 101,829,252, because the sa... KE Kenji Tanaka 21 Aug Cloud & Infra 5 min How Far Away the Cloud Is From Singapore A dropdown asks which region, and most people pick the familiar name. Measured from a server in Singapore, the... KE Kenji Tanaka 21 Aug Developer Tools 6 min Your AI API Call Leaves the Country From a server in Singapore, OpenAI's API accepts a connection in 6.2ms and takes 237ms to say anything. Anthro... MA Maya Lin 19 Aug Developer Tools 6 min Your Bank Is Still on IPv4 We asked DNS whether 18 institutions across six ASEAN economies — the largest bank, the government portal and... MA Maya Lin 19 Aug Consumer Tech 6 min How Much Internet Speed Do I Need? Stop Multiplying by People The usual method — one person's needs times the number of people — assumes a connection gets divided. We measu... AM Amelia Wong 11 Aug Developer Tools 6 min Latency vs Bandwidth: Which One Are You Actually Waiting For? Internet plans are sold in one number, and for most of what you do all day it is the smaller half of the answe... KE Kenji Tanaka 11 Aug Consumer Tech 8 min Why Is My Wi-Fi Slow? Usually, It Is Not the Wi-Fi A page load is five separate stages, and the radio is only involved in one of them. Timed across three real si... AM Amelia Wong 10 Aug Cloud & Infra 8 min Singapore Has Warned About Cisco More Times in 2026 Than in Any Full Year Before It We read all 847 CSA alerts since 2020. Cisco leads every vendor, 2026 is already the heaviest Cisco year on re... KE Kenji Tanaka 7 Aug