OSINT Tools

DomainTools

Enterprise domain and DNS intelligence

Maltego

Visual OSINT link-analysis platform

SecurityTrails

DNS history and domain intelligence platform

SpiderFoot

Automated OSINT reconnaissance framework

VirusTotal

Analyze files, URLs, domains, and IPs

AFRINIC Whois

AFRINIC regional WHOIS service

APNIC Whois

APNIC regional WHOIS service

ARIN Whois-RWS

ARIN regional WHOIS API

CentralOps

Web toolkit for WHOIS, DNS, and IP network lookups

Cyberbro

Extract IOCs from raw text and enrich them across reputation services

DNSstuff

Online DNS, reverse-DNS and blocklist lookup suite

DomainBigData

WHOIS and reverse-WHOIS domain database

DomainIQ

Reverse-analytics and domain intelligence lookups

HackerTarget

Free recon tools (DNS, ports, headers, WHOIS)

ICANN Lookup

Central ICANN WHOIS gateway

IP2WHOIS

Domain WHOIS lookup returning registrar and registrant data

InfoSniper

Map an IP or hostname to location, ISP and organisation

JPNIC Whois Gateway

Japanese network information center WHOIS

LACNIC Whois

LACNIC regional WHOIS service

MXToolbox

a DNS, mail, blacklist, and network diagnostic platform for domain and IP inv

Netcraft Site Report

Hosting history, network owner and tech stack for a domain

Netlas.io

Internet scan search engine for hosts, DNS, certs and WHOIS

OSINT.sh WHOIS History

Historical WHOIS records for a domain name

OpenGraph Intel

Visual OSINT framework that enriches entities via transforms into graphs