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updns

GitHub Workflow Status Crates.io Crates.io


updns is a simple DNS proxy server developed using Rust. You can intercept any domain name and return the ip you need

Install

Download the binary from the release page

Or use cargo to install

cargo install updns

Start to use 🚀

updns
# or
updns -c /your/hosts

You may use sudo to run this command because you will use the 53 port

Running in docker

Build docker image

docker build -t updns .

Start up

docker run -d --name updns -p 53:53/udp -v /root/updns/:/root/.updns/ --restart always updns

Config

You can use updns config command and then call vim edit, or find ~/.updns/config edit

You can specify standard domains, or utilize regular expressions for dynamic matching

Regular expression starts with ~

bind     0.0.0.0:53      # Binding address
proxy    8.8.8.8:53      # Proxy address
timeout  2s              # Proxy timeout (format: 1ms, 1s, 1m, 1h, 1d)

# Domain matching
example.com              1.1.1.1
*.example.com            2.2.2.2
~^\w+\.example\.[a-z]+$  3.3.3.3

# IPv6
test.com                ::

# Import from other file
import /other/hosts

Reference

Building a DNS server in Rust

License

MIT license