title: heroku subdomains on different apps?
body: <p>If you have a domain name pointed at heroku can you use it with subdomains across heroku apps?  If so where can I find info about how to set this up?</p>
  
  <p><strong>main website - heroku app</strong></p>
  
  <pre><code>    www.mydomainname.com
  </code></pre>
  
  <p><strong>game site - different heroku app</strong></p>
  
  <pre><code>    game.mydomainname.com
  </code></pre>