tools_reverse_ip_lookup

Free public API. Reverse-DNS (PTR) lookup for an IP address. Returns one or more hostnames if configured.

SERVERDomainee SOURCEhttps://mcp.domainee.dev/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/dev-domainee-domainee/tools-reverse-ip-lookup.md

WHAT IT DOES

What tools_reverse_ip_lookup does on Domainee

AI agents call tools_reverse_ip_lookup to retrieve information from Domainee 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
`ip`	string	Yes	IPv4 or IPv6 address, e.g. 8.8.8.8.

Parameters from the server's own tool schema.

RISK

Why tools_reverse_ip_lookup is rated Low

Even though tools_reverse_ip_lookup 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 tools_reverse_ip_lookup safely

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

tools_reverse_ip_lookup Allowed

tools_reverse_ip_lookup 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": {
    "tools_reverse_ip_lookup": {}
  }
}

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

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

FAQ

Questions about tools_reverse_ip_lookup

What does the tools_reverse_ip_lookup tool do? +

Free public API. Reverse-DNS (PTR) lookup for an IP address. Returns one or more hostnames if configured. It is categorised as a Read tool in the Domainee MCP Server, which means it retrieves data without modifying state.

What parameters does tools_reverse_ip_lookup accept? +

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

How do I enforce a policy on tools_reverse_ip_lookup? +

Register the Domainee MCP server in PolicyLayer and add a rule for tools_reverse_ip_lookup: 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 Domainee. Nothing to install.

What risk level is tools_reverse_ip_lookup? +

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

Can I rate-limit tools_reverse_ip_lookup? +

Yes. Add a rate_limit block to the tools_reverse_ip_lookup 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 tools_reverse_ip_lookup completely? +

Set action: deny in the PolicyLayer policy for tools_reverse_ip_lookup. 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 tools_reverse_ip_lookup? +

tools_reverse_ip_lookup is provided by the Domainee MCP server (https://mcp.domainee.dev/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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