title: Can't run expo error: getaddrinfo ENOTFOUND exp.host
body: <p>this error appear suddenly after updating expo-cli to version <code>3.2.3</code></p>
  
  <p>I can't manage to run the application, it displays error like this when I run <code>expo start</code> / <code>yarn start</code> </p>
  
  <pre><code>Trying to open the project in iOS simulator...
  Opening exp://127.0.0.1:19000 in iOS simulator
  
  Expo  Press ? to show a list of all available commands.
  Fetching the user profile failed
  getaddrinfo ENOTFOUND exp.host
  
  </code></pre>
  
  <p>even I open <code>expo.host</code> from the browser loading.. I tried using 2 internet providers, change dns, flush dns, etc. still not loaded.</p>