Alibaba Cloud Public DNS is designed for enterprise users. This service is suitable for domain hijacking prevention of mobile apps and access acceleration.
Domain hijacking prevention for terminal devices
Intended users: users who encounter domain hijacking issues. IoT terminals such as mobile apps, smart speakers, and smart cameras are supported,
especially applications that involve time-sensitive access in gaming, video, social networking, and e-commerce scenarios.
Access method: You can connect your terminal device to Alibaba Cloud Public DNS by calling the JSON API or using the SDK for iOS or Android.
Benefits:
Domain hijacking prevention: Alibaba Cloud Public DNS bypasses the local DNS servers of Internet service providers (ISPs) to prevent domain hijacking. It also provides anti-DDoS capabilities to prevent terminals from being affected by DDoS attacks.
User privacy protection: The DNS over TLS (DoT) and DNS over HTTPS (DoH) protocols are supported based on Transport Layer Security (TLS). This prevents data leaks and protects user privacy.
Access acceleration: The recursive DNS servers of Alibaba Cloud Public DNS and the authoritative DNS servers of Alibaba Cloud DNS work together to update resolution results. This reduces recursive resolution and allows DNS requests to be directly sent to authoritative DNS servers. This way, the access to domain names is accelerated.
Access to the nearest node: Alibaba Cloud Public DNS provides 27 global cluster nodes for you to access the node nearest to the location where your application is deployed.
Basic DNS resolution: Alibaba Cloud Public DNS provides basic domain name resolution services on the Internet. Domain names can be resolved over HTTP, HTTPS, DoH, or DoT.
Associated resolution for quick update
The following benefits are provided for users who use Alibaba Cloud Public DNS, Alibaba Cloud DNS, and Global Traffic Manager (GTM) at the same time:
Associated resolution: The recursive DNS servers of Alibaba Cloud Public DNS work with the authoritative DNS servers of Alibaba Cloud DNS to update resolution results within seconds.
Terminal acceleration: The DNS cache acceleration feature reduces recursive resolution and returns the IP address of the nearest resolution line based on the access source.
Disaster recovery and backup: Alibaba Cloud Public DNS uses the health check feature of GTM to check the status of disaster recovery nodes and automatically schedules traffic to the optimal node.
Precise scheduling: The recursive and authoritative DNS servers share an IP address library. This provides more precise IP address-based traffic scheduling.