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A fast and accurate DNS resolver written in Rust.

License: GNU General Public License v3.0

Rust 73.94% Shell 18.77% Roff 7.29%

rusolver's Introduction

Rusolver

Fast DNS resolver written in Rust. Works on Linux, Windows, macOS, Android, Aarch64, ARM and possibly in your oven.

Goal

Offer the community an efficient host resolution tool.

Performance, speed and accuracy

Rusolver is very resource friendly, you can use up to 1000 threads in an single core machine and this will work without any problem, the bottleneck for this tool is your network speed. By default, Rusolver is able to perform resolution for ~1532 hosts per second in good network conditions (tested in an AWS machine). Additionally the tool does a double-check by default for resolved hosts against Cloudflare, Google, Quad9, OpenDNS, Verisign, UncensoredDNS and dns.watch DNS, with that algoritm the possibility to get an false-positive is null.

Demo

The files used in the demo are here. hosts.txt is the list of hosts to perform resolution and the resolved.txt are the ones that Rusolver found as active.

Installation

Using precompiled binaries.

Download the asset from the releases page according to your platform.

Using the source code.

You need to have the latest stable Rust version insalled in your system.
Clone the repo or download the source code, then run cargo build --release.
Execute the tool from ./target/release/rusolver or add it to your system PATH to use from anywhere.

Optionally you can just use cargo install rusolver

Using the AUR packages. (Arch Linux)

rusolver can be installed from available AUR packages using an AUR helper. For example,

yay -S rusolver

If you prefer, you can clone the AUR packages and then compile them with makepkg. For example,

git clone https://aur.archlinux.org/rusolver.git && cd rusolver && makepkg -si

Usage

By default we only show the resolved hosts

cat hosts.txt | rusolver

If you want to see the discovered IP addresses:

cat hosts.txt | rusolver -i

You can tune the --timeout and -t/--threads options according to your needs. See rusolver --help

rusolver's People

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rusolver's Issues

Fix the issue in windows!

Hello i tried the precompiled windows exe and the first time it worked as expected but on 2nd time it just gave me 2 subdomains live output and in the input subdomain text file there are at least 200 of subdomains and the tools now tells that only 2 subdomains are live which isn't the case in real and i also tried to compile the rust file on my machine but rust gave me few errors that i don't wanna fix(i guess a long fix requires). and tried downloading the exe file again and tried running as well but same it still gives me 2 subdomains only and 2-3 blank lines :(

Problem when adding ip list of resolvers

thread 'main' panicked at 'internal error: entered unreachable code: Error parsing the server 199.83.64.222 :53, only IPv4 are allowed. Error: invalid IP address syntax', src/main.rs:221:23
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace

thank you

How to use it on windows?

Please provide a guide on windows or wiki.

No output displayed or saved

Hi, where does the output go when we call from CLI using a file in the same directory as an argument? I see the task complete, but even with the -i tag I see nothing print to console or saved in any directories.

Thank you

Add new feature for statistics.

Hi there,
Please add a new feature for statistics. This could use a new command line option such as -stats, e.g. echo www.example.com | rusolver -i -stats this will show us how many wordlists have been checked and how many wordlists have been found. I think it will grade.

could you add a new function for manually inputting the resolver list

Support for other resource records

Please add support for AAAA, TXT, SRV, NAPTR, PTR, CNAME, DNAME, MX, NS, SOA, LOC, SVCB, HTTPS, SPF, CAA and AVC resource records. This could use a new command line option such as -t, e.g. echo www.example.com | rusolver -i -t AAAA. It might also make sense to change -i/--ip to -d/--data with the text Display the record data.

$ echo www.example.com. | rusolver

$ echo www.example.com | rusolver
www.example.com

DNSx vs Rusolver

I was just curious how does your tool stack up against project discovery's DNSx in terms of accuracy and speed?