Tool and Usage
Fierce is a security tool that helps with DNS reconnaissance. It can locate non-contiguous IP space, but using DNS information.
How it works
Fierce uses DNS information to extract information. This can be from SOA and NS records, but also by obtaining details with a domain zone transfer.
Usage and audience
Fierce is commonly used for information gathering, reconnaissance, or security assessment. Target users for this tool are pentesters and security professionals.
- + The source code of this software is available
Author and Maintainers
Fierce is under development by Matt Schwager.
Support operating systems
Fierce is known to work on Linux.