ctlogs.dev vs Findomain: side-by-side comparison (2026)
ctlogs.dev is a commercial external attack surface management solution by Apps34. Findomain is a free external attack surface management solution. Features, integrations, deployment and the company behind each one, side by side.
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
A domain reconnaissance tool that automates subdomain discovery, port scanning, and monitoring with support for multiple data sources and notification integrations.
Side-by-side comparison
Feature
ctlogs.dev
Findomain
Pricing model
Commercial
Free
Category
External Attack Surface Management
External Attack Surface Management
Deployment and fit
Deployment type
Cloud
On-Premises
Company size fit
Startup
Startup, SMB, Mid-Market, Enterprise
Open source
GitHub stars
–
3,561
Last commit
–
Sep 2025
Company
Company
Apps34
–
Use cases and capabilities
Reconnaissance
Yes
Yes
OSINT
Yes
Yes
SSL
Yes
No
TLS
Yes
No
REST API
Yes
No
Cyber Threat Intelligence
Yes
No
DNS Security
Yes
No
Attack Detection
Yes
No
Subdomain Enumeration
Yes
Yes
Port Scanning
No
Yes
Network Reconnaissance
No
Yes
Core features
- Real-time Certificate Transparency Search
- Automated Subdomain Enumeration
- High-Performance REST JSON API
- Wildcard & Fingerprint Matching
- SSL/TLS Certificate History Tracking
- Attack Surface Mapping
- Historical Log Archiving
- Instant Domain & Issuer Filtering
No features listed
Integrations
REST API
cURL
Python
JSON
Webhooks
SIEM
No integrations listed
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