Open-source intelligence tools for security researchers and investigators. Perform DNS lookups, WHOIS queries, IP geolocation, reverse IP lookups, ASN analysis, port scanning, and more.
Search for a username across 18+ social platforms — find GitHub, Twitter, Instagram, TikTok, YouTube profiles and more.
Discover the digital footprint of any email address — Gravatar, GitHub, social profiles, email provider, and disposable email detection.
Find who owns and operates a website — WHOIS data, contact emails, analytics codes, CMS platform, and social media profiles.
Check how old a domain is via WHOIS. See creation date, expiry, registrar, and name servers.
Check if a website is up or down. See status code, response time, redirect chain, and server info.
Check if a domain name is available for registration via WHOIS lookup.
Look up the geographic location, ISP, and ASN information of any IP address or domain.
Find other domains hosted on the same IP address / server.
Detect the hosting provider, ISP, and infrastructure behind any website.
Check DNS propagation across 12 global resolvers. See if your DNS changes have propagated.
Check username availability across 15 popular platforms (GitHub, Twitter, Instagram, etc.).
Search Certificate Transparency logs for SSL certificates issued to a domain. Find subdomains.
Look up Autonomous System Number (ASN), network prefix, ISP, and registry info for any domain or IP.
Trace the network path to a host, showing each hop with IP addresses and latency.