How to Use Fierce – Best DNS Reconnaissance Tool for Pentesting & OSINT: Looking for the best DNS reconnaissance tool for ethical hacking, bug bounty, OSINT, and penetration testing? In this video, we dive deep into Fierce, a powerful and fast DNS enumeration tool used by cybersecurity professionals to map subdomains, discover hosts, and uncover hidden assets during recon. In this step-by-step Fierce tutorial, you’ll learn how to install Fierce in Kali Linux, how the tool works, why DNS reconnaissance is important, and how attackers and defenders use Fierce to find misconfigured DNS records. If you're into bug bounty hunting or network security analysis, this tool is a must-know! This video covers: #What is Fierce and how DNS recon works #How to install Fierce on Kali Linux #Fierce tool usage with examples #How to find subdomains using Fierce #Reverse DNS, wildcard checks & DNS traversal #Why Fierce is useful for OSINT and pentesting #Real-world bug bounty recon workflow #How to uninstall Fierce from Kali Linux Fierce helps you discover hidden subdomains, open DNS records, and infrastructure details that many automated tools miss. Whether you’re analyzing a target before penetration testing or doing reconnaissance for bug bounty programs, Fierce gives you accurate domain mapping with minimal noise. Commands used in this video: #Install Ferce #Run DNS enumeration #Scan a domain for subdomains #Resolve DNS records #Export results for further recon #(All commands are shown clearly in the video.) This guide is perfect for: #Ethical hackers #Cybersecurity beginners #Pentesters #Bug bounty hunters #OSINT researchers #Students learning DNS recon techniques By the end of the video, you’ll understand exactly how to use Fierce effectively and include it in your recon workflow along with tools like Subfinder, Amass, Knockpy, DNSRecon, Sudomy, Chaos, and Findomain. If you find the content helpful, make sure to like, share, and subscribe for more ethical hacking tutorials, recon tools, and cybersecurity guides. 📌 Chapters: 00:00 – Intro 00:45 – What is Fierce? 02:10 – Install Fierce in Kali Linux 03:50 – Basic Usage 06:20 – Advanced DNS Recon 08:15 – OSINT Recon Example 10:40 – Exporting Results 12:30 – Uninstall Fierce 13:00 – Final Tips 📌 Useful for search: Fierce tool tutorial, DNS reconnaissance tools, how to use Fierce Kali Linux, DNS enumeration for pentesting, bug bounty recon, OSINT domain discovery, Fierce DNS scan, best recon tools 2025. #Fierce #DNSTool #DNSRecon #FierceTutorial #EthicalHacking #BugBounty #Pentesting #OSINT #KaliLinux #CyberSecurity #CyberSecurityTools #ReconTools #SubdomainFinder #DNSEnumeration #HackingTools #LinuxTutorial #InfoSec #BugBountyHunter #RedTeam #BlueTeam #SecurityTesting #NetworkSecurity #FierceDNS #FierceKaliLinux #HackingForBeginners #CyberSecurityTraining #HackingTips #EthicalHacker #DNSLookup #Reconnaissance #OSINTTools #CyberTools #SecurityResearch #DNSSecurity #FierceTool #DomainRecon #SubdomainEnumeration #CyberAwareness #HackerEducation #CyberLearning #PentestTools #HackingGuide #HackerTools #LinuxHacking