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mqttyyc.top 公益 MQTT：免费公共 MQTT Broker，支持 TCP / SSL / WebSocket / WSS 四种接入，注册即用，另附工业机器人与 PLC 的 MQTT 接入说明，Powered by EMQX
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-09-19 |
| Last crawled | 2026-09-19 |
| IPv4 | 43.251.225.50 |
| Network | AS401696 cognetcloud INC · Hong Kong |
| Language | zh-CN |
| Server | openresty |