Alibaba Cloud DNS

Provides a stable, fast, secure, and smart DNS resolution management service for all types of domain names

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Alibaba Cloud DNS (Domain Name System) helps enterprises and developers translate human-readable domain names into machine readable IP addresses for intercommunication. It then routes user requests to the corresponding websites or application servers.

Benefits

Global Anycast Network
Provides a global BGP anycast network with 19 nodes.
Fast Propagation
Records changes are propagated to global DNS servers within 1 to 10 seconds.
Security and Stability
Supports multiple system-defined features, such as DNS security protection, load balancing, and auto failover, to ensure the high availability and stability of your services.
Smart Resolution
Covers 6 continents and 87 countries/regions. It accelerates the DNS resolution service by returning the optimal IP addresses to users.

Features

  • Global BGP Anycast Network

    19 global nodes: China (Hangzhou), China (Shanghai), China (Zhangbei), China (Shenzhen), Hong Kong, Singapore, Malaysia, India, Australia, Germany, USA East, USA West, Dubai, Japan, China (Hebei) with DNS protection, Hong Kong with DNS protection, Singapore with DNS protection, China (Hubei) with DNS protection, and USA East with DNS protection.

  • System-built DNS Security Features

    Alibaba Cloud DNS supports DNS protection with a peak size of 120 million QPS. It also supports system-built features, such as load balancing, auto failover, rate control, and malicious traffic scrubbing.

  • Smart Resolution

    Alibaba Cloud DNS provides multiple ISP lines for DNS resolution, including domestic ISP lines and international ISP lines. The domestic ISP lines include 5 ISPs. The international ISP lines cover 6 continents and 87 countries/regions. Based on these ISP lines, Alibaba Cloud DNS is able to return the optimal IP addresses to users to accelerate the DNS resolution service.

  • Fast DNS Record Propagation

    Propagates domain name changes to global DNS servers within 1 to 10 seconds to immediately apply the changes.

  • DNS Load Balancing

    The weighted traffic routing feature helps you avoid single points of failure (SPOFs).

DNS Function

Feature Fee-free DNS VIP DNS
DNS Anti-DDoS Peak attack size < 20,000 QPS 20,000 QPS < Peak attack size < 500,000 QPS
Global nodes 4 nodes: China (Hangzhou), China (Shanghai), China (Shenzhen), and China (Hebei). 19 nodes: China (Hangzhou), China (Shanghai), China (Zhangbei), China (Shenzhen), Hong Kong, Singapore, Malaysia, India, Australia, Germany, USA East, USA West, Dubai, Japan, China (Hebei) with DNS protection, Hong Kong with DNS protection, Singapore with DNS protection, China (Hubei) with DNS protection, and USA East with DNS protection.
Global anycast network Not Supported Supported
Global DNS propagation time < 10 seconds < 10 seconds
Per-server QPS 10 million QPS 30 million QPS
Per-cluster QPS 40 million 120 million QPS
DNS query statistics (QPS) Not Supported Supported
Smart resolution ISP lines Smart resolution ISP lines Default, domestic ISP lines (5 ISPs), and international ISP lines Default, domestic ISP lines (5 ISPs), international ISP lines, continents (6), and countries/regions (87)
TTL value 600 seconds Minimum: 1 second
Maximum number of A records that can be added for DNS load balancing 10 90
Search engine settings Google, Bing, Baidu Global search engine settings and sub settings (for Baidu, Google, and Bing)
OPEN API Supported Supported
Record types: A, MX, CNAME, NS, TXT, SRV, and AAAA Supported Supported