title: Firebase Admin Module not found: 'dns'
body: <p>I just installed the Firebase Admin SDK with "npm install firebase-admin --save" and see the error on "npm start". Is there any dependency- that I missed?</p>
  
  <blockquote>
    <p><strong>Failed to compile.</strong></p>
    
    <p>Error in ./~/firebase-admin/~/isemail/lib/isemail.js Module not found:
    'dns' in
    C:\webroot\node_modules\firebase-admin\node_modules\isemail\lib</p>
    
    <p>@ ./~/firebase-admin/~/isemail/lib/isemail.js 45:10-24</p>
  </blockquote>