V2ray Slow Dns Server Link

For DNS leak testing, connect your proxy and visit any online DNS leak test website. If the displayed DNS server IP matches your proxy's country location, you're safe. If it shows your local ISP's IP address, you have a DNS leak.

An unoptimized dns object in your client-side config.json is the most common cause of slowdowns. You must configure V2Ray to use fast, reliable, and geographically appropriate DNS servers. v2ray slow dns server

Warning: Fake DNS breaks sniffing on the local client. Only use this on the server side with xray (the V2Ray fork) for VLESS or Trojan protocols. For DNS leak testing, connect your proxy and

For advanced setups, consider using a dedicated local DNS cache like Unbound or dnsmasq alongside V2Ray's built-in features. These tools can cache frequently accessed domains and serve responses instantly without traversing the network. An unoptimized dns object in your client-side config

Avoid using if your DNS is slow, as it forces an immediate IP resolution for every single connection rule, adding massive overhead. Implement Local DNS Caching

The built-in DNS component is the most common source of slowness. V2Ray's DNS implementation has a fundamental limitation: it only supports basic IP queries (A and AAAA records). The official documentation recommends using a professional DNS relay like CoreDNS for complete DNS functionality, though many users rely entirely on V2Ray's built-in resolver.