internetdb.shodan.io
Shodan InternetDB lookup for checking open ports, vulnerabilities, tags, and host data by IP.
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osint.sh
OSINT.sh IP lookup for checking geolocation, ASN, network, and hosting information.
db-ip.com
DB-IP provides an IP geolocation API and database covering IPv4 and IPv6 address spaces, with data on locations and network intelligence. It lists uses including location-aware content, traffic surveys and risk analysis. A free download is offered.
ipleak.net
IPLeak.net is a diagnostic page that shows the IP addresses, DNS resolvers, WebRTC and torrent address information a visitor's system exposes to websites. It also explains WebRTC and DNS leaks and lists request details such as user agent and headers.
leakix.net
LeakIX is a search and reporting platform with query syntax for ports, protocols, ASNs and IP ranges. It offers free and commercial plans, with paid tiers providing faster access to results, higher request limits, critical and RCE plugins, alert channels and downloadable results. Sponsorship supports voluntary researchers who dispatch free reports to companies and institutions.
majestic.com
Majestic is a backlink analysis toolset for SEO, established in 2004. It maps the web to provide Link Intelligence data, including metrics such as Trust Flow, Citation Flow and Topical Trust Flow. Its tools include Site Explorer, Summary, Backlink History and Clique Hunter, along with an API and browser plugins.
maltiverse.com
Threat intelligence search platform for malware indicators, IPs, domains, URLs, and hashes.
github.com
A user-friendly Python toolkit for open source intelligence, providing key features such as image geolocation, social media profiling, email breach checks, domain lookup, metadata extraction, Google dorking, Wayback Machine queries, IP geolocation with blacklist checks, reverse image search, among others.
github.com
Browser extension for searching IPs, domains, hashes, URLs, and indicators across threat intelligence services.
app.netlas.io
Netlas.io is an internet intelligence platform that provides accurate technical information on IP addresses, domain names, websites, web applications, IoT devices, and other online assets. It supports discovery, research, and monitoring of online assets.
netlas.io
Internet asset search engine for domains, IPs, ports, certificates, and exposed services.
osint.sh
OSINT.sh online Nmap-style scanner for checking visible ports and network services.
search.onyphe.io
OSINT search engine indexing exposed internet assets, IPs, domains, and network intelligence.
onyphe.io
OSINT search engine for exposed assets, IPs, domains, certificates, and network data.
osint.sh
OSINT.sh SSL check for testing whether a host appears vulnerable to POODLE.
punkspider.org
Web vulnerability search engine for finding reported security issues across websites.
readmedium.com
ReadMedium is a service that uses artificial intelligence to translate and summarize Medium articles into a user's native language. To access an article, users modify the domain of a Medium article URL to readmedium.com, and the service can also use OpenAI o1 models for processing.
osint.sh
OSINT.sh tool for finding websites connected by shared Google AdSense identifiers.
osint.sh
OSINT.sh tool for finding websites connected by shared Google Analytics tracking IDs.
osint.sh
OSINT.sh tool for finding domains and websites hosted on the same IP address.
osint.sh
OSINT.sh tool for finding domains that share the same mail exchanger records.
synapsint.com
OSINT platform for searching domains, IPs, emails, certificates, and related intelligence.
osint.sh
OSINT.sh tool for detecting a website's technology stack, frameworks, and services.
intelx.io
A collection of free open source intelligence and forensic tools for investigations. It provides links to third-party services for searching general web sources, email addresses, domains, IP addresses, Bitcoin addresses, images, usernames and social media, and includes a mail validation tool.