domain-info-fetcher/examples/basic-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";

/**
 * Basic usage example for the domain-info-fetcher package
 */
async function main(): Promise<void> {
  try {
    // Replace with your domain
    const domain = "baklouti.de";
    console.log(`Fetching information for ${domain}...`);

    const domainInfo = await fetchDomainInfo(domain);

    if (!domainInfo) {
      console.error("No domain information returned");
      return;
    }

    // SSL Certificate Information
    console.log("\n🔒 SSL Certificate:");
    console.log(`  - Issued to: ${JSON.stringify(domainInfo.sslData.subject)}`);
    console.log(`  - Issued by: ${JSON.stringify(domainInfo.sslData.issuer)}`);
    console.log(`  - Valid: ${domainInfo.sslData.valid ? "✅ Yes" : "❌ No"}`);
    console.log(
      `  - Valid from: ${new Date(
        domainInfo.sslData.validFrom
      ).toLocaleDateString()}`
    );
    console.log(
      `  - Valid until: ${new Date(
        domainInfo.sslData.validTo
      ).toLocaleDateString()}`
    );

    // Server Information
    console.log("\n🖥️ Server:");
    console.log(
      `  - Server software: ${domainInfo.serverData || "Not available"}`
    );
    console.log(`  - HTTP Status: ${domainInfo.httpStatus || "Not available"}`);

    // DNS Information
    if (domainInfo.dnsData) {
      console.log("\n🌐 DNS Records:");
      console.log(`  - A Records: ${domainInfo.dnsData.A.join(", ")}`);
      console.log(`  - CNAME: ${domainInfo.dnsData.CNAME || "None"}`);

      if (domainInfo.dnsData.MX.length) {
        console.log("  - MX Records:");
        domainInfo.dnsData.MX.forEach((mx) => {
          console.log(`    * ${mx.exchange} (priority: ${mx.priority})`);
        });
      }

      if (domainInfo.dnsData.TXT.length) {
        console.log("  - TXT Records:");
        domainInfo.dnsData.TXT.forEach((txt) => {
          console.log(`    * ${txt}`);
        });
      }
    } else {
      console.log("\n🌐 DNS Records: Not available");
    }
  } catch (error) {
    console.error("❌ Error fetching domain information:");
    if (error instanceof Error) {
      console.error(`   ${error.message}`);
    } else {
      console.error(`   ${String(error)}`);
    }
  }
}

// Run the example
main().catch(console.error);