Cert Spotter vs DNS Assistant: side-by-side comparison (2026)
Cert Spotter is a free external attack surface management solution. DNS Assistant is a commercial external attack surface management solution by DNS Assistant. Features, integrations, deployment and the company behind each one, side by side.
A Certificate Transparency log monitor that alerts users when SSL/TLS certificates are issued for their domains, helping detect unauthorized certificate issuance and potential security threats.
DNS posture mgmt platform for real-time DNS & WHOIS change monitoring.
Side-by-side comparison
Feature
Cert Spotter
DNS Assistant
Pricing model
Free
Commercial
Category
External Attack Surface Management
External Attack Surface Management
Deployment and fit
Deployment type
Hybrid
Cloud
Company size fit
Startup, SMB, Mid-Market, Enterprise
SMB, Mid-Market, Enterprise
Open source
GitHub stars
1,132
–
Last commit
Jan 2026
–
Company
Company
–
DNS Assistant
Use cases and capabilities
TLS
Yes
No
SSL
Yes
No
Alerting
Yes
Yes
DNS Security
No
Yes
RBAC
No
Yes
Multi Tenancy
No
Yes
REST API
No
Yes
MFA
No
Yes
Configuration Management
No
Yes
Misconfiguration
No
Yes
Core features
No features listed
10 features listed
Integrations
No integrations listed
3 integrations listed
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