Go Bulk DNS Resolver

About

Lightning-fast high-performance bulk DNS resolution tool written in Go based on miekg/dns.

Requirements

- OSX: `brew update && brew install unbound`

- Linux: `sudo apt-get update && sudo apt-get install unbound libunbound-dev

Building

./build.sh

Examples

The input is a newline-delimited list of domain names or URLs. The output will be of the form <domain> <ip1> <ip2> .. <ipN>.

echo 'google.com' | ./bulkdns
google.com 74.125.239.34 74.125.239.46 74.125.239.38 74.125.239.33 74.125.239.36 74.125.239.35 74.125.239.40 74.125.239.39 74.125.239.32 74.125.239.37 74.125.239.41

Options

-p will keep the output prefix exactly like the input prefix. By default, the behavior is to prefix the output with only the domain name.