domain-info-fetcher/examples/whois-usage.ts

A powerful TypeScript/JavaScript tool for comprehensive domain analysis, featuring detailed WHOIS data with registration dates, registrars, and domain status. Offers SSL certificate extraction (with PEM support), DNS records, and server details. Includes

import { fetchDomainInfo } from "../index";

/**
 * Example showing how to use the WHOIS data functionality
 * (Available since v2.3.0)
 */
async function main(): Promise<void> {
  console.log("Domain-Info-Fetcher WHOIS Example");
  console.log("==================================");

  // Replace with the domain you want to check
  const domainToCheck = "google.com";

  console.log(`Fetching WHOIS data for ${domainToCheck}...`);

  try {
    const info = await fetchDomainInfo(domainToCheck);

    if (!info || !info.whoisData) {
      console.log(`No WHOIS data available for ${domainToCheck}`);
      return;
    }

    console.log("\nRegistration Information:");
    console.log(`Registrar: ${info.whoisData.registrar || "Not available"}`);
    if (info.whoisData.registrarUrl) {
      console.log(`Registrar URL: ${info.whoisData.registrarUrl}`);
    }

    console.log("\nImportant Dates:");
    if (info.whoisData.creationDate) {
      console.log(
        `Creation Date: ${info.whoisData.creationDate.toLocaleDateString()}`
      );
    }
    if (info.whoisData.updatedDate) {
      console.log(
        `Updated Date: ${info.whoisData.updatedDate.toLocaleDateString()}`
      );
    }
    if (info.whoisData.expirationDate) {
      console.log(
        `Expiration Date: ${info.whoisData.expirationDate.toLocaleDateString()}`
      );
    }

    console.log("\nRegistrant Information:");
    if (info.whoisData.registrant?.organization) {
      console.log(`Organization: ${info.whoisData.registrant.organization}`);
    }
    if (info.whoisData.registrant?.country) {
      console.log(`Country: ${info.whoisData.registrant.country}`);
    }

    if (info.whoisData.statusCodes && info.whoisData.statusCodes.length > 0) {
      console.log("\nDomain Status:");
      info.whoisData.statusCodes.forEach((status) =>
        console.log(`- ${status}`)
      );
    }

    if (info.whoisData.nameServers && info.whoisData.nameServers.length > 0) {
      console.log("\nNameservers:");
      info.whoisData.nameServers.forEach((ns) => console.log(`- ${ns}`));
    }

    console.log("\nRaw WHOIS Data Sample:");
    if (info.whoisData.rawText) {
      // Show first few lines of raw text
      const rawTextSample = info.whoisData.rawText
        .split("\n")
        .slice(0, 10)
        .join("\n");
      console.log(rawTextSample + "\n...");
    }

    console.log("\nExample Completed Successfully!");
  } catch (error) {
    console.error(
      `Error: ${error instanceof Error ? error.message : String(error)}`
    );
  }
}

main().catch(console.error);