阿里云手册容器服务 Kubernetes 版 ACK

https://www.alibabacloud.com/help/zh/ack/ack-managed-and-ack-dedicated/user-guide/dns-resolution-policies-and-caching-policies?spm=a2c63.p38356.help-menu-85222.d_2_3_6_1.3f4264bdYs72Xk

https://zhuanlan.zhihu.com/p/560558448