v1.1.0 — DNS Propagation Checker

v1.1.0 — 2026-08-29

DNS Propagation Checker rebuilt from scratch + weekly health monitoring.

Added

• DNS Propagation Checker — Astro + Supabase edge functions
  • Queries 394+ global DNS servers via Deno.resolveDns
  • Parallel chunked queries (25/chunk, Promise.all) — full check in ~10s
  • Interactive SVG map with pan/zoom, colored dots by status
  • Expandable map overlay (fullscreen toggle)
  • Group servers by country (Intl.DisplayNames, zero deps)
  • 2-column responsive card layout
  • Summary bar (ok/empty/failed + elapsed) at top
• Weekly DNS health check — GitHub Actions (dns-health.yml)
  • Raw UDP probe via stdlib (zero pip), 10 seed domains, 30s budget
  • Auto-deactivation of dead servers, auto-reactivation
  • Safety guard: aborts if >50% fleet dead
  • Commits to dns.json + dispatches site rebuild
• active field on all 599 DNS servers

Changed

• Migrated site from Jekyll to Astro
• DNS checker queries servers directly (no dnsrobot.net)
• Client rewritten: vanilla JS pan/zoom, no runtime d3
• Deploy workflow: Astro build → force-push to live branch

Fixed

• Deploy workflow path issues, CSS deploy race conditions
• Country grid layout, summary bar spacing, form button padding