DNS Propagation Checker - Free online tool for real time DNS propagation checker

Hey Product Hunt 👋 I’m excited to introduce **showdns.net** — a simple and fast toolkit to check DNS records, security headers, and website technical health in one place. I built this because most tools felt slow or too complex. My goal was to create something clean, developer-friendly, and useful for SEO and security testing. ✨ What you can do: • Check DNS records instantly • Analyze HTTP security headers • Test website technical configuration I would really love your honest feedback — what features should I add next? Thanks for checking it out and supporting! 🚀