arvan_net_dns_lookup

Resolve a DNS record.

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-net-dns-lookup.md

WHAT IT DOES

What arvan_net_dns_lookup does on ArvanCloud MCP Server

AI agents call arvan_net_dns_lookup 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_net_dns_lookup is rated Low

DNS lookups are read-only operations that retrieve existing DNS data. They have no side effects, cannot modify infrastructure, and pose minimal security risk even if misused by an AI agent. The operation is informational only, making it appropriate for the Read category with low severity.

From the tool's definition Tool name and description indicate DNS record resolution: 'Resolve a DNS record.' This is a query operation that retrieves DNS information without modifying, executing code, deleting, or affecting financial systems.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs arvan_net_dns_lookup 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_net_dns_lookup, this is the rule to start with:

arvan_net_dns_lookup Allowed

arvan_net_dns_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": {
    "arvan_net_dns_lookup": {}
  }
}

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_net_dns_lookup call is checked against it from then on.

FAQ

Questions about arvan_net_dns_lookup

What does the arvan_net_dns_lookup tool do? +

Resolve a DNS record. 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_net_dns_lookup? +

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

What risk level is arvan_net_dns_lookup? +

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

Can I rate-limit arvan_net_dns_lookup? +

Yes. Add a rate_limit block to the arvan_net_dns_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 arvan_net_dns_lookup completely? +

Set action: deny in the PolicyLayer policy for arvan_net_dns_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 arvan_net_dns_lookup? +

arvan_net_dns_lookup 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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