Query all common DNS record types for a domain
AI agents call query_all_records to retrieve information from DNS MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves DNS record information without creating, modifying, deleting, or executing any operations. DNS record queries are non-destructive read operations with minimal security impact even if called by an AI agent with arbitrary domain names—the worst case being reconnaissance of publicly available DNS infrastructure.
From the tool's definition Tool performs DNS queries ("Query all common DNS record types for a domain") which retrieves publicly available DNS records with no modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Query all common DNS record types for a domain. It is categorised as a Read tool in the DNS MCP Server MCP Server, which means it retrieves data without modifying state.
Register the DNS MCP Server MCP server in PolicyLayer and add a rule for query_all_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 DNS MCP Server. Nothing to install.
query_all_records is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the query_all_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.
Set action: deny in the PolicyLayer policy for query_all_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.
query_all_records is provided by the DNS MCP Server MCP server (stanibaj/dns-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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