Insights, tutorials, and updates about free subdomains, DNS, and developer infrastructure.
How Cloudflares anycast architecture works under the hood, why it makes subdomains faster globally, and what it means for your sites performance and security.
Read MoreA deep dive into DNS caching at every layer — browser, OS, router, ISP, and authoritative DNS — with concrete steps to flush caches and debug propagation issues in real time.
Read MoreA practical security checklist to prevent subdomain takeover vulnerabilities — from proper CNAME validation to ensuring DNS records are deleted when deploying services.
Read MoreA curated list of the free-tier tools we rely on to run is-pro.dev — from DNS management to monitoring, error tracking, and CI/CD — and how to maximize value from each.
Read MoreThe moderation system behind is-pro.dev — how we detect abuse, handle false positives, balance free speech with platform safety, and keep the majority of users experience uninterrupted.
Read MoreHow to price your SaaS product when you are competing with free alternatives — understanding value anchoring, the freemium psychological trap, and when free is actually the right model.
Read MoreUnderstanding the real security differences between Let's Encrypt (end-to-end encryption), Cloudflare Full Strict (edge encryption), and Cloudflare Flexible SSL (partial encryption).
Read MoreThe systems and tools we use at scale to manage thousands of subdomains — from automated DNS provisioning to bulk record updates, monitoring, and expiration management.
Read MoreLearn to identify suspicious DNS activity by understanding common log patterns — from normal CNAME chains to signs of domain takeovers, phishing, and brand impersonation.
Read MoreA personal argument for why free subdomain providers like is-pro.dev are critical infrastructure for the indie hacker ecosystem, enabling anyone to build and ship without upfront costs.
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