Knowledge Base
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Databases / Data Feeds
NRD 2
Tutorials
General Support
WHOIS Domain Data
WHOIS vs. Historical WHOIS
Quarterly feeds
WHOIS data fields
Bulk WHOIS Lookup
DNS Data
APIs
WHOIS API
Whois History API
DNS Lookup API
IP Geolocation API
Email Verification API
Domain Reputation API
Subdomain Lookup API
Reverse WHOIS API
Databases / Data Feeds
Threat Intelligence Data Feeds (TIDF)
IP Geolocation / IP Netblocks Databases
Domain / Research Suite (DRS)
Legacy
NRD 1
Dev & Data Science Corner
Dev resources
Domain Research Suite (DRS)
IP Data
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Knowledge Base
Databases / Data Feeds
NRD 2
Tutorials
General Support
WHOIS Domain Data
WHOIS vs. Historical WHOIS
Quarterly feeds
WHOIS data fields
Bulk WHOIS Lookup
DNS Data
APIs
WHOIS API
Whois History API
DNS Lookup API
IP Geolocation API
Email Verification API
Domain Reputation API
Subdomain Lookup API
Reverse WHOIS API
Databases / Data Feeds
Threat Intelligence Data Feeds (TIDF)
IP Geolocation / IP Netblocks Databases
Domain / Research Suite (DRS)
Legacy
NRD 1
Dev & Data Science Corner
Dev resources
Domain Research Suite (DRS)
IP Data
Databases / Data Feeds
Check this section for more information about databases and data feeds.
Where can I find specifications for all your databases and feeds?
Which IP addresses and domains should I safe-list to download databases and data feeds (e.g., NRD2, typosquatting, DNS, etc.)?
Threat Intelligence Data Feeds (TIDF)
Will a domain re-appear in TIDF daily files?
Will there be a fresh file every day or will the file have to be cleaned up?
Why is the domain name file bigger than the URL file?
IP Geolocation / IP Netblocks Databases
Why do IP data JSONL and CSV files have different sizes?