Masscan
Information Gatheringkali · parrotInternet-scale port scanner — extremely fast asynchronous TCP scanning.
Install
sudo apt install masscan
Common commands
sudo masscan -p1-65535 target.com --rate 10000 sudo masscan -p80,443 10.0.0.0/8
Use only on systems you are authorized to test. Follow program scope.
Related tools
Amass
featuredOWASP Amass for in-depth subdomain enumeration and attack surface mapping.
Nmap
featuredIndustry-standard network scanner for port discovery, service detection, and OS fingerprinting. Core recon tool for every engagement.
Subfinder
featuredPassive subdomain discovery tool. Fast and reliable for bug bounty recon.
dnsenum
DNS enumeration script for zone transfers, subdomain brute force, and record discovery.