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Threat analysis service for URLs, files, certificates, domains, and suspicious hashes.

GitHub malware research repository containing live samples for controlled analysis environments.

Historical malware archive mirrored by vx-underground for research and preservation.

Security tool for identifying Azure tenant information during cloud security research and assessments.

Enumerate available domains generated modifying the original domain name through different cybersquatting techniques

Google certificate transparency search for checking certificates and HTTPS records.

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

Website information page for traffic estimates, site metadata, and audience insights.

AnalyzeID is a unified search tool for finding web pages, files, records, code, or internet intelligence.

Internet intelligence tool for looking up ASN details, IP information, and BGP routing data.

Internet asset search engine for domains, hosts, certificates, and exposed services.

Censys certificate search for exploring TLS certificates, domains, issuers, and transparency logs.

Censys IPv4 search for finding exposed hosts, ports, services, and internet infrastructure.

Searchable archive of exposed panels and misconfigurations found across domains by continuous internet-wide scanning; look up the exposure findings on

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

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

Domain monitoring tool for tracking DNS changes, records, and domain activity.

Internet asset search engine for discovering exposed services, hosts, domains, and technologies.

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

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

IANA database listing top-level domains, registry operators, and root zone delegation data.

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

Shodan InternetDB lookup for checking open ports, vulnerabilities, tags, and host data by IP.

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