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Free Post-Quantum, Domain Trust, and Security Headers Scanners

Free scanners

Pick a scan to run

Three checks for your public surface. Each runs against any public hostname, no login required. Choose one to begin.

Key exchange algorithm
Hybrid KEX detection
Certificate key & lifetime
Next migration step
MCP Available to AI agents as scan_post_quantum at https://mcp.fedlin.com/mcp
MCP Available to AI agents as scan_domain_trust at https://mcp.fedlin.com/mcp
CSP
HSTS
X-Frame-Options
Referrer-Policy
+ 5 more
MCP Available to AI agents as scan_security_headers at https://mcp.fedlin.com/mcp

These tools cover your public surface.

In-boundary endpoints, firmware, code dependencies, and your full cryptographic inventory require an assessment. A scoping call identifies what your architecture actually requires.

Book a Scoping Call

For AI agents

These scanners are also callable as agent tools via the FEDLIN MCP server at https://mcp.fedlin.com/mcp (Streamable HTTP). Tools: scan_post_quantum, scan_domain_trust, scan_security_headers. Each takes a public hostname, is passive, and rate-limited. See llms.txt for the full agent context.