About Who.is Platform
The internet's leading platform for domain registration research, RDAP discovery, nameserver analytics, and real-time DNS intelligence.
20+ Years of Data Archive
Since 2007, Who.is has cataloged over 2 billion WHOIS snapshots across thousands of top-level domains (gTLDs and ccTLDs), empowering cyber-investigators, legal professionals, and security teams.
Next-Gen RDAP & DNS Resolvers
Direct registry peering and Anycast DNS resolution allow sub-second lookups for A, AAAA, MX, NS, TXT, SOA, and CAA records with zero third-party tracking.