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Alibaba Cloud DNS:Health check

Last Updated:Jul 06, 2025

You can configure health checks for IPAM pools. Enabling health checks allows you to monitor IP addresses in the IPAM pool. After health checks are enabled, the availability status of application services can be monitored in real-time, helping enterprises achieve automatic fault isolation and automatic failover.

  • Supported health check methods: Ping health check, TCP health check, HTTP(S) health check.

  • Health check epoch: Each monitoring node independently runs health check tasks. A monitoring node performs a health check every minute.

  • Health check monitoring nodes:

    Category

    Geographical locations

    BGP nodes

    Zhangjiakou, Qingdao, Hangzhou, Shanghai, Hohhot, Shenzhen, Beijing

    International nodes

    China (Hong Kong), Germany, Singapore, California, Australia, Malaysia, Japan

    Carrier nodes

    Wuhan China Unicom, Dalian China Unicom, Nanjing China Unicom, Tianjin China Unicom, Qingdao China Telecom, Changsha China Telecom, Xi'an China Telecom, Zhengzhou China Telecom, Shenzhen China Mobile, Dalian China Mobile, Nanjing China Mobile