FluxOSINT is a modular, web-based OSINT (Open-Source Intelligence) platform built with FastAPI and vanilla JavaScript.

It collects and analyzes publicly available data for:

• Emails
• Username
• Domains
• IP addresses

It also includes LeakGuard, a privacy-safe password exposure checker using k-anonymity (your password never leaves the browser).

Frontend: https://fluxosint.flux3tor.xyz

API Docs: https://api.fluxosint.flux3tor.xyz/docs

• MX record lookup
• Disposable email detection
• Domain age check
• Gravatar presence
• Public paste mentions
• Risk scoring

Checks username presence across:

• Github
• Reddit
• Twitter / X

• IP resolution
• WHOIS creation date
• Registrar information

• Country
• City
• ISP
• Organization

Client-side SHA-1 hashing + k-anonymity against the HaveIBeenPwned range API. The backend only receives the first 5 hash characters..

Backend

• FastAPI
• SQLite
• dnspython
• python-whois
• requests
• BeautifulSoup

Frontend

• HTML
• CSS
• Vanilla JavaScript

Deployment

• Render (backend)
• Github Pages (frontend)
• Custom domain

FluxOSINT only uses publicly accessible data sources. Built for educational and ethical research purposes..

Do not use it for harassment, stalking, or privacy violations.