48 fierce(1) - Kailash Tool Reference
48.1 fierce
fierce - DNS reconnaissance for locating non-contiguous IP space.
| Layer | CLASSIC |
| Category | c-01-information-gathering |
| Safety class | safe |
| Licence | GPL-3.0-or-later |
| Upstream | github.com/mschwager/fierce |
48.1.1 NAME
fierce - DNS reconnaissance for locating non-contiguous IP space.
48.1.2 SYNOPSIS & usage
Derived from the upstream README at generation time; verify against --help where the tool is installed.
$ python -m pip install fierce
$ fierce -h$ git clone https://github.com/mschwager/fierce.git
$ cd fierce
$ python -m pip install dnspython==1.16.0
$ python fierce/fierce.py -h48.1.3 DESCRIPTION (upstream)
Fierce is a DNS reconnaissance tool for locating non-contiguous IP space. Useful links: * Domain Name System (DNS) * Domain Names - Concepts and Facilities * Domain Names - Implementation and Specification * Threat Analysis of the Domain Name System (DNS) * Name Servers (NS) * State of Authority Record (SOA) * Zone Transfer * [DNS Zone Transfer Prot
48.1.4 CONFIGURATION (detected)
Config-surface markers detected in the upstream README (2 matches, e.g. ci.yml, ci.yml). A full config reference page for this tool is queued under the config-page policy — this line is the detection record, not the page.
48.1.5 SEE ALSO
- Category: c-01-information-gathering in the category directory (sister tools listed there).
ref: pin - verified 2026-10-14