scan_domain_trust

Audit a domain's DNS, TLS, certificates, and email authentication (SPF/DKIM/DMARC/DNSSEC).

SERVERFEDLIN Scanners SOURCEhttps://mcp.fedlin.com/mcp

Low RISK CLASS

Category Read

Parameters 11 required

Recommended Allowedsee the rule below

Registry record Grade C, identity unverified Pull the record →

This record as markdown: /tools/com-fedlin-fedlin-mcp-server/scan-domain-trust.md

WHAT IT DOES

What scan_domain_trust does on FEDLIN Scanners

AI agents call scan_domain_trust to retrieve information from FEDLIN Scanners without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`domain`	string	Yes	A bare public hostname to scan, for example example.com. No scheme, path, or port; IP literals and internal hostnames are rejected.

Parameters from the server's own tool schema.

RISK

Why scan_domain_trust is rated Low

Even though scan_domain_trust only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs scan_domain_trust safely

PolicyLayer is an MCP gateway: it sits between your AI agents and FEDLIN Scanners, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For scan_domain_trust, this is the rule to start with:

scan_domain_trust Allowed

scan_domain_trust is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "scan_domain_trust": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect FEDLIN Scanners, apply this rule, and every scan_domain_trust call is checked against it from then on.

FAQ

Questions about scan_domain_trust

What does the scan_domain_trust tool do? +

Audit a domain's DNS, TLS, certificates, and email authentication (SPF/DKIM/DMARC/DNSSEC). It is categorised as a Read tool in the FEDLIN Scanners MCP Server, which means it retrieves data without modifying state.

What parameters does scan_domain_trust accept? +

scan_domain_trust accepts 1 parameter: domain. Required: domain. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on scan_domain_trust? +

Register the FEDLIN Scanners MCP server in PolicyLayer and add a rule for scan_domain_trust: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches FEDLIN Scanners. Nothing to install.

What risk level is scan_domain_trust? +

scan_domain_trust is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit scan_domain_trust? +

Yes. Add a rate_limit block to the scan_domain_trust rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block scan_domain_trust completely? +

Set action: deny in the PolicyLayer policy for scan_domain_trust. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides scan_domain_trust? +

scan_domain_trust is provided by the FEDLIN Scanners MCP server (https://mcp.fedlin.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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