dig example.com @208.67.222.222
Ensure your config.json has a dedicated dns object. This allows V2Ray to resolve domains internally rather than relying on the operating system, which is often slower when a proxy is active. ⚖️ Pros & Cons of Third-Party DNS in V2Ray Speed Resolvers like Cloudflare are built for low latency. Third-party servers can still experience rare outages. Privacy Prevents DNS leaking to your local ISP. You must trust the privacy policy of the DNS provider. Customization v2ray slow dns server
In restrictive regions, ISPs inject fake replies or reset UDP DNS packets. V2Ray may fall back to TCP, adding latency. dig example