Certstream vs Farsight Security DNSDB: side-by-side comparison (2026)
Certstream is a free threat intel feeds solution. Farsight Security DNSDB is a commercial threat intel feeds solution by Farsight Security. Features, integrations, deployment and the company behind each one, side by side.
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Real-time monitoring tool for newly issued SSL certificates.
Passive DNS intelligence platform for threat detection and investigation.
Side-by-side comparison
Feature
Certstream
Farsight Security DNSDB
Pricing model
Free
Commercial
Category
Threat Intel Feeds
Threat Intel Feeds
Deployment and fit
Deployment type
Cloud
Cloud
Company size fit
Startup, SMB, Mid-Market, Enterprise
SMB, Mid-Market, Enterprise
Company
Company
–
Farsight Security
Use cases and capabilities
SSL
Yes
No
Cyber Threat Intelligence
No
Yes
Investigation
No
Yes
Core features
No features listed
5 features listed
Integrations
No integrations listed
1 integration listed
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