C
app.subdomain/subdomains
Find known subdomains of a domain. Passive data; may include historic entries. List or count.
Security Score
65/100Details
- URL https://api.subdomain.app/mcp
- Framework mcp
- Sources mcp_registry
- First Seen Jun 27, 2026
- Response Time 360ms
Security Checks (14 criteria)
HTTPS Enabled
Authentication Required
No Admin Exposure
CORS Configured
No Credential Leak
No Server Info Leak
No Open Redirect
No Directory Listing
No Error Info Leak
Endpoint Reachable
Content-Security-Policy
Strict-Transport-Security
X-Frame-Options
X-Content-Type-Options