OSINT Tools 22 tools available
Network & IP Intelligence
IP Lookup
Geolocation, ASN, ISP info
ip-api.com
IPInfo
Enriched IP intelligence, ASN, abuse contacts
key optional
IP WHOIS / RDAP
ASN, CIDR, network entities via RDAP
no key
Shodan
Open ports, services, CVEs, banners
key required
Censys
Host scan: services, certs (250 req/month free)
key required
GreyNoise
Internet noise, scanner classification
community free
Netlas
Alternative internet scanner
key required
Reverse IP Lookup
PTR records, hosting, org, ASN
PTR + ip-api
Domain & DNS
WHOIS Lookup
Registrant, dates, nameservers
python-whois
DNS Enumeration
A, AAAA, MX, NS, TXT, CNAME, SOA, CAA
dnspython
Subdomain Enumeration
Wordlist bruteforce (54 common subdomains)
slow
Certificate Transparency
Subdomains via crt.sh CT logs
no key
SSL/TLS Certificate
Subject, issuer, expiry, SAN, cipher
python ssl
theHarvester
Email & host harvesting from public sources
slow
Person & Social Intelligence
Username Search
Check 20 platforms simultaneously
20 platforms
Maigret
Deep username OSINT — 50 sites (30s timeout)
slow · 3/min
Sherlock
Username across 100 social networks (30s timeout)
slow · 3/min
Instagram Profile
Public profile metadata via Instaloader
public only
Email Investigation
MX, disposable detection, HIBP, holehe
HIBP optional
Web & File Analysis
URL Reputation
URLhaus + VirusTotal (optional key)
URLhaus free
HTTP Headers Analysis
Security headers audit + technology fingerprint
10 security checks
EXIF Metadata
Extract GPS, camera, timestamps from images
no key · 10MB max