ARIN WHOIS
Web
IP registration database
domain-ip-network
Domain, IP & Network
THE ARSENAL
Tools
756 documented, categorized tools across 26 disciplines. Every entry links to its original project — you decide what to install.
6 results
PassiveTotal (RiskIQ)
Web
Passive DNS, WHOIS, SSL cert pivots — now Microsoft Defender TI
domain-ip-network
Domain, IP & Network
DomainEye Reverse WHOIS
Web
Search domains by registrant data
people-identity
People & Identity
WHOIS.com
Manual
WHOIS domain registration lookup
domain-ip-network
Domain, IP & Network
Whoisology
Web
Reverse WHOIS — find domains by registrant
domain-ip-network
Domain, IP & Network
Whoxy
Web
WHOIS lookup with reverse-WHOIS, history, and bulk API
domain-ip-network
Domain, IP & Network