Farsight DNSDB¶
Farsight DNSDB is a passive DNS database containing 300+ billion records of historical and near-real-time global DNS observations. Use it to trace infrastructure relationships, pivot on shared hosting, and see how domains and IPs have changed over time.
Choose an access method¶
DNSDB is available through three access methods. Pick one based on how you work.
DNSDB Scout (web app)¶
Browser-based GUI for interactive DNS pivoting and investigation. Point-and-click UI, tutorials, and installation guides.
DNSDB API¶
REST API for RRset and Rdata lookups, Flexible Search, and summaries. Includes OpenAPI spec, rate limit reference, and language-agnostic examples.
CLI tools¶
dnsdbq, flex search, and glob/regex reference for scripting and automation.
Related¶
- DNSDB Export — bulk historical data exports for large-scale analysis
- DNSDB Flexible Search — regex and wildcard queries across the full dataset
In this section
- Scout
- API Documentation