it-tools-mcp/build/tools/network/nslookup/index.js

MCP-compliant server access to over 100 IT tools and utilities commonly used by developers, system administrators, and IT professionals.

import { z } from "zod";
import dns from "dns";
export function registerNslookup(server) {
    server.registerTool("nslookup", {
        inputSchema: {
            target: z.string().describe("Hostname or IP address")
        },
        // VS Code compliance annotations
        annotations: {
            title: "Nslookup",
            readOnlyHint: false
        }
    }, async ({ target }) => {
        return new Promise((resolve) => {
            dns.lookup(target, (err, address, family) => {
                if (err) {
                    resolve({ content: [{ type: "text", text: `nslookup failed: ${err.message}` }] });
                }
                else {
                    resolve({ content: [{ type: "text", text: `Address: ${address}\nFamily: IPv${family}` }] });
                }
            });
        });
    });
}