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Passive OSINT reconnaissance framework in Rust: subdomains, DNS, ASN, certificate transparency history, GitHub dorking, tech fingerprinting, emails an

Russian-language guide for reducing online exposure and understanding counter-OSINT practices.

Python package template for building command-line OSINT tools with a reusable project structure.

Open source intelligence toolkit for gathering and analyzing information from websites and online sources.

Collection of online network tools for DNS, IP lookup, email checks, and security research.

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

CentralOps collection of DNS, WHOIS, traceroute, email, and network lookup tools.

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

Python tool that identifies hashes, emails, IPs, URLs, and other strings found in text or files.

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

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

Threat intelligence search service for checking IPs, domains, hashes, and security indicators.

Fortinet threat intelligence portal for security updates, IP reputation, malware, and web filtering data.

Open source threat intelligence platform for analyzing observables, files, and security indicators.

Python OSINT crawler for extracting URLs, files, endpoints, and related website data.

OSINT.sh certificate search for finding TLS certificates, domains, and certificate history.

Cisco Talos portal for threat intelligence, IP reputation, advisories, and malware research.

OSINT.sh tool for checking historical DNS records and domain infrastructure changes.

FullHunt is an OSINT tool focused on identifying and protecting internet-exposed assets.

OSINT.sh SSL check for testing whether a host appears vulnerable to Heartbleed.

OSINT.sh IP lookup for checking geolocation, ASN, network, and hosting information.

OSINT tool for collecting domain, IP, ASN, and infrastructure intelligence from multiple sources.

OSINT.sh online Nmap-style scanner for checking visible ports and network services.

OSINT search engine for exposed assets, IPs, domains, certificates, and network data.