If any step suffers from , every subsequent connection (website, API call, video stream) stalls.
The improvement is dramatic.
Unlike a standard VPN that routes all traffic indiscriminately, V2Ray often operates using a split proxy model. It relies heavily on domain-based routing rules to decide whether traffic should be proxied (e.g., blocked websites) or connect directly (e.g., local banking services). For this logic to function, V2Ray or its underlying system must first resolve a domain name into an IP address. If a DNS server takes three seconds to return a response, the proxy decision is delayed by three seconds before a single byte of actual web data is transferred. This makes DNS resolution the true first mile of the connection. v2ray slow dns server
Here is how to optimize your configuration, specifically focusing on the config.json file. If any step suffers from , every subsequent
time nslookup google.com 8.8.8.8