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Free and open-source domain and infrastructure research toolkit combining DNS, RDAP, WHOIS, passive subdomain discovery, IP and ASN data, email authen

Browser tool for testing RSA encryption, decryption, key values, and prime-number calculations.

API to search current and historical DNS records, current and historical WHOIS, technologies used by sites and whois search for phone, email, address,

Online checksum tool for calculating hashes from text or files for verification and security checks.

Guide to free and open source privacy tools, safer apps, and alternatives to data-heavy services.

Search tool for archived 8chan and 8kun QResearch posts and related board history.

Calculator for converting and evaluating infix, postfix, and prefix expressions.

A fast and multi-purpose DNS toolkit from ProjectDiscovery for running DNS probes, resolving records and filtering DNS responses.

Online service for detailed and free analysis of suspicious files and URLs.

Research paper and dataset about internet-wide scanning and host discovery from 2012.

AI-powered DNS and email security scanner with SPF, DKIM, DMARC, DNSSEC checks and fix suggestions.

A comprehensive IP intelligence database and API for accurate geolocation, ASN mapping, and VPN/Tor/Proxy detection.

Public archive and research site documenting Iron March forum material and far-right networks.

Threat intelligence platform aggregating malicious IP and domain data from multiple security feeds with real-time reputation scoring and threat catego

MD5 lookup and hash generator for checking common MD5 hashes and creating test values.

DDoSecrets project for searching and analyzing public-interest datasets and leaked records.

Attack-surface and DNS intelligence platform for domains, subdomains, IPs, and historical records.

Online steganography and image analysis tool for hiding, extracting, and inspecting data in images.

Online hashing tool for generating and checking MD5, SHA, and other common hash values.

Online editor for building and previewing Vega and Vega-Lite data visualizations.

Secure messaging and collaboration platform with encrypted chats, calls, and file sharing.

Ontario 511 portal for traffic cameras, road conditions, incidents, construction, and travel information.

Community threat intelligence platform for indicators, pulses, malware, and attack research.

GitHub collection of APT reports, threat actor notes, and security research documents.