CheckFileType supports reverse engineering, malware analysis, file inspection, or security research workflows.
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Cisco Talos portal for threat intelligence, IP reputation, advisories, and malware research.
Free DNS, WHOIS, DKIM discovery, SPF/DMARC analysis and blacklist checks with plain-English results, no signup.
Exploit-DB paper archive with security research, exploitation papers, and technical writeups.
Exploit-DB binary exploit archive for security research and controlled testing.
Fortinet map visualizing cyber attack activity, malware detections, and global threat events.
LemmeDebug supports reverse engineering, malware analysis, file inspection, or security research workflows.
Threat analysis service for URLs, files, certificates, domains, and suspicious hashes.
Online steganography and image analysis tool for hiding, extracting, and inspecting data in images.
Threat intelligence search engine for domains, IPs, hashes, malware, and related indicators.
An online tool that displays your mtr / traceroute / flyingroutes output on a map for visual analysis.
Open source intelligence toolkit for gathering and analyzing information from websites and online sources.
Microsoft tool for monitoring website search performance, indexing status, and SEO insights.
Python OSINT crawler for extracting URLs, files, endpoints, and related website data.
SEO rank tracking platform for monitoring keyword positions, search performance, and website visibility.
Website information page for traffic estimates, site metadata, and audience insights.
is a website that will help you discover hosts related to a specific domain.
Retrieve DNS records, subdomains, SSL certificates and WHOIS / RDAP data for a given website.
is an online database that will provide you a report with detail information about a particular website and the history associated with it.
uses advanced search operators (Google Dorks) to find juicy information about target websites.
Web vulnerability search engine for finding reported security issues across websites.
OSINT.sh tool for finding websites connected by shared Google AdSense identifiers.
OSINT.sh tool for finding websites connected by shared Google Analytics tracking IDs.
OSINT.sh tool for finding domains and websites hosted on the same IP address.