What Happens When You Type a URL and Press Enter
DNS lookups, TCP and TLS handshakes, HTTP requests, servers, and the browser's rendering pipeline. The whole journey of a web page, explained so it finally clicks.
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Tips & writing
Notes from the workbench
Practical engineering tips, design theory and performance breakdowns — written for developers and founders who like their advice tested in production.
Filtering by tag #dns — clear
DNS Explained for Developers: Records, TTL and "Propagation"
A, AAAA, CNAME, MX, TXT and NS records in plain English, why DNS changes seem slow, and the troubleshooting commands that tell you what is really going on.
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How to Get a Free Domain Name as a Developer (Legit Options Only)
Free subdomains, developer communities, student packs and the at-cost registrars that make a real domain nearly free. What actually works, what to avoid, and when to just pay.
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Sending Email from Your Web App Without Landing in Spam
Password resets and receipts that end up in spam are a broken product. How transactional email works, SPF, DKIM and DMARC in plain English, and the habits that keep your emails in the inbox.
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