# vDNS In the digital era, the speed and stability of websites and online applications are critical factors that determine user experience and business success. One of the key components affecting access speed is the Domain Name System (DNS). Understanding this, GreenNode proudly introduces vDNS — a powerful DNS solution designed to optimize performance, enhance security, and ensure the stability of your online infrastructure. ### What is vDNS? vDNS is a DNS (Domain Name System) service developed and operated by GreenNode, providing fast and reliable domain name resolution capabilities. With a robust server infrastructure, globally distributed architecture, and advanced technologies, vDNS efficiently converts domain names (for example: example.com) into IP addresses (for example: 192.168.1.1), enabling users to access your websites and applications smoothly and without interruption. ### Outstanding Benefits of vDNS #### Optimized Performance vDNS is built on a powerful infrastructure with globally distributed servers, minimizing latency and accelerating domain name resolution speed, delivering a fast access experience for users anywhere in the world. #### High Availability With a redundant architecture and automatic failover capabilities, vDNS ensures service continuity and stability while minimizing downtime. #### Strong Security vDNS integrates advanced security features such as DDoS protection and DNSSEC, helping protect your DNS system from cybersecurity threats. #### Easy Management An intuitive and user-friendly management interface allows you to easily configure and manage your DNS records. #### Seamless Integration with the GreenNode Ecosystem vDNS is tightly integrated with other GreenNode services, creating a complete and powerful ecosystem for your online infrastructure. #### Professional Support GreenNode’s experienced technical team is available 24/7 to support you, answer questions, and ensure your services operate smoothly. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.vngcloud.vn/vng-cloud-document/vdns.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.