Misty Registry: An Empirical Study of Flawed Domain Registry Operation
USENIX Security research paper examining domain registry operations and their security implications.
Read PaperWorld's Single Largest
Internet Domains Dataset
Processing petabytes of data so you don't have to
2.8B+
Domains
9.3PB
Data Processed
1251
TLDs
Products & Services
Phish
A new monitoring service for battling phishing attacks. Stay protected against malicious domains.
Learn moreLLMC
Text-based URL classifier powered by Ollama. Intelligent domain classification using AI.
Learn moreDataset Access
Freely available sorted list of Internet domains. The most comprehensive dataset available.
Learn moreFeatures
01
Massive Scale
Over 2.8B+ domains indexed and growing. The largest public domain dataset available.
02
Regular Updates
Continuously updated with new domains discovered through our crawling infrastructure.
03
TLD Coverage
Comprehensive coverage across all top-level domains, including country-code TLDs.
04
Open Source
BSD-3-Clause licensed. Use it freely for research, security, and commercial applications.
05
DNS Data
Historical DNS records available for subscribers. Track domain changes over time.
06
API Access
WebSocket support for real-time new domain notifications. Stay ahead of threats.
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Read PaperAbout
DomainsProject is the world's single largest Internet domains dataset. We've processed over 8 petabytes of Internet traffic to compile more than 2.8B+ unique domains.
Our mission is to provide comprehensive domain data for security researchers, academics, and organizations fighting against cyber threats.
The project is open source under the BSD-3-Clause license, and has been cited in numerous academic papers and used by security professionals worldwide.