DNS-over-HTTPS Resolver - Ultimate Edition

Available Endpoints:
• /dns-query              - Standard DoH (GET/POST)
• /dns-query?name=example.com - JSON API
• /resolve-tcp            - TCP-compatible API
• /resolve-udp            - UDP-compatible API
• /health                 - Health status

Features:
✓ Multiple upstream resolvers
✓ Instagram DNS override
✓ TCP/UDP proxy compatibility
✓ CORS enabled
✓ Fast failover
✓ No caching

Example Usage:
curl "https://your-worker.workers.dev/dns-query?name=instagram.com&type=A"
curl "https://your-worker.workers.dev/resolve-udp?name=google.com&type=A"