From github.com
shuffleDNS is a wrapper around massdns written in go that allows you to enumerate valid subdomains using active bruteforce as well as resolve subdomains with wildcard handling and easy input-output support.
- Simple and modular code base making it easy to contribute.
- Fast And Simple active subdomain scanning.
- Handles wildcard subdomains in a smart manner.
- Optimized for ease of use
- Stdin and stdout support for integrating in workflows