Whois vs Splunk vs Armitage: Which Domain and IP Search tool is Best in 2025?

Whois is a critical internet protocol and query tool designed to access detailed registration data for domain names, IP addresses, and autonomous systems. As a leading domain information lookup tool for cybersecurity, Whois enables users to retrieve essential details like registrant contacts, registration dates, and name servers, making it indispensable for professionals and businesses. Whois lookup tool for domain ownership supports tasks from verifying domain availability to investigating cyber threats, all while navigating GDPR-compliant privacy protections.

Splunk, a Cisco company, empowers organizations to thrive in the digital age with its cutting-edge cybersecurity and observability platform. By harnessing AI and real-time data analytics, Splunk helps businesses proactively secure their systems, optimize performance, and drive resilience across IT, OT, and multicloud environments—trusted by global leaders to turn data into decisive action.

Armitage is a dynamic open-source GUI for the Metasploit Framework, pre-installed in Kali Linux (version 20221206), tailored for penetration testers and red teams. This Metasploit GUI tool for ethical hacking simplifies complex workflows by visualizing targets, recommending exploits, and automating post-exploitation tasks. With a 10.95 MB footprint and team server for multi-user collaboration, Armitage is a top collaborative penetration testing tool for cybersecurity experts, harnessing Metasploit’s vast exploit library for streamlined security assessments.