| Tuya iotdns module is the DNS service module provided by Tuya, which ensures that developers can provide reliable, safe and stable DNS services when accessing the network. Tuya iotdns provides a DNS mechanism of mutual protection for static zone DNS resolution, dynamic random zone DNS resolution and local system DNS resolution. Among them, the DNS resolution mechanism relies on Tuya The trusted DNS service provided in the cloud can obtain the optimal DNS policy according to the zone and provide a load balancing mechanism; the dynamic random zone DNS resolution is based on the zone DNS resolution mechanism. In order to avoid a protection mechanism provided by DNS failure 2, a random zone is selected in all non current zones for DNS request; the local system DNS is provided by the local operator As a backing mechanism, the basic DNS service of. Tuya iotdns can switch the resolution mechanism in case of failure to ensure the stability and security of the whole mechanism.
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