Features

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This topic describes the features of HTTPDNS.

Secure and accurate resolution results

  • HTTPDNS bypasses the local DNS of ISPs using the HTTP (or HTTPS) protocol. This helps prevent domain hijacking and provides more accurate domain name resolution by precisely identifying the client's region and ISP.

  • It directly obtains the client's egress gateway IP address. This allows for more accurate identification of the client's region and ISP, which leads to more precise domain name resolution.

  • Global nodes optimize access for users outside China and reduce request latency for the HTTPDNS service.

  • It mitigates application availability risks caused by unreliable ISP networks and improves the domain name resolution success rate in poor wireless network conditions.

Global domain name resolution

  • HTTPDNS supports the resolution of all domain names, such as those registered with Alibaba Cloud, third-party providers, and international providers. International domain names are subject to regional compliance. A free online trial is available.

  • This service supports domain name resolution for third-party service providers such as Akamai, enables precise scheduling for scenarios such as CDN, and provides a mobile SDK and API operations for various scenarios.

  • HTTPDNS provides simple API operations for domain name resolution. These operations are typically called directly from a mobile app, but can also be called from the server-side.

Software-defined DNS

HTTPDNS allows developers to create FC functions to customize the domain name resolution process. This enables targeted scheduling and intelligent resolution.

Efficient and low-cost integration

  • HTTPDNS provides SDKs for Android, iOS, HarmonyOS, and C. A one-time development effort supports global business expansion without requiring repeated client-side updates.

  • It offers an HTTP (or HTTPS) API for easy integration with server-side applications and in other scenarios.