arvan_list_ptr_records

List reverse-DNS (PTR) records in a region.

SERVERArvanCloud MCP Server SOURCEdwin-gharibi/arvancloud-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/dwin-gharibi-arvancloud-mcp/arvan-list-ptr-records.md

WHAT IT DOES

What arvan_list_ptr_records does on ArvanCloud MCP Server

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

RISK

Why arvan_list_ptr_records is rated Low

This tool retrieves PTR records from ArvanCloud's DNS service. It performs a read-only query with no side effects, no data modification, no execution of external commands, and no destructive or financial impact. The blast radius of misuse is minimal — an attacker gains visibility into DNS reverse-lookup configuration but cannot alter infrastructure or extract sensitive operational data beyond DNS metadata.

From the tool's definition Tool name includes 'list' and description states 'List reverse-DNS (PTR) records' — a query operation that retrieves data without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs arvan_list_ptr_records safely

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

arvan_list_ptr_records Allowed

arvan_list_ptr_records 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": {
    "arvan_list_ptr_records": {}
  }
}

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

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

FAQ

Questions about arvan_list_ptr_records

What does the arvan_list_ptr_records tool do? +

List reverse-DNS (PTR) records in a region. It is categorised as a Read tool in the ArvanCloud MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on arvan_list_ptr_records? +

Register the ArvanCloud MCP Server MCP server in PolicyLayer and add a rule for arvan_list_ptr_records: 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 ArvanCloud MCP Server. Nothing to install.

What risk level is arvan_list_ptr_records? +

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

Can I rate-limit arvan_list_ptr_records? +

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

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

arvan_list_ptr_records is provided by the ArvanCloud MCP Server MCP server (dwin-gharibi/arvancloud-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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