NetworkToolsSelfHostedDevToolsSaaS

Reach Segmentation Check

Multi-region connectivity diagnosis showing exactly where it breaks

Problem
Self-hosted NAS, website, and game server owners often hear 'it won't open on my end' but can't reproduce it locally. They lack external multi-location, segment-level timing diagnostics, left guessing whether it's DNS, port, or firewall.
Solution
Enter a domain or IP+port and probe from multiple global nodes simultaneously, showing DNS→TCP→TLS→TTFB→download segment timing bars with failure reasons and next-step troubleshooting hints.
Users
Self-hosted NAS/home server users, small website owners, indie game server admins
MVP
10–15 global probe nodes; DNS/TCP/TLS/TTFB segment timing and visualization; failed-step highlighting with troubleshooting tips; shareable result link
Revenue
Free per-check + subscription ($5/mo) for frequent checks, more nodes, and alerts; or pay-per-check credits
Why now
The self-hosting and home server wave continues, but existing global probe tools are enterprise-oriented and pricey; indies can build a niche version on cheap VPS

Source discussions · 1

  1. V2EX[分享发现] [开源] 可达性检测:你的 NAS / 网站 / 游戏服,别人到底能不能连上?0↑ 2
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