requirements.txt

# Core Dependencies
python-nmap==0.7.1         # Python wrapper for Nmap
python-whois==0.8.0        # WHOIS domain availability checks

# CLI and System Utilities
argparse==1.4.0            # Command-line argument parsing (default in Python >=3.2)
colorama==0.4.6            # Cross-platform colored terminal text

# Python Version Compatibility
platform==1.0.8            # System version and platform detection

# Optional Additions
itertools==8.4.0           # Combinatorial iterator tools (builtin in Python >=3.0)

#itertools, platform, sys, argparse, and os are part of Python's standard library. They do not need to be installed via pip, as they come built-in with Python.