OSINT Tools

DomainTools

Enterprise domain and DNS intelligence

Maltego

Visual OSINT link-analysis 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

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

DomainIQ

Reverse-analytics and domain intelligence lookups

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

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

RDAP Lookup

Hosted RDAP (modern WHOIS) lookup client

RIPEstat

RIPE NCC network statistics API

Squatm3gator

Enumerate typosquatting and look-alike domains

Synapsint

All-in-one OSINT aggregator for domains, IPs, and emails

TLDR Domains Free TLD-list

IANA authoritative TLD registry database