title: MongoDB no suitable servers found
body: <p>I'm having trouble connecting to a replica set.</p>
  
  <pre><code>[MongoDB\Driver\Exception\ConnectionTimeoutException]                                                                                                              
  No suitable servers found (`serverSelectionTryOnce` set): 
  [Server closed connection. calling ismaster on 'a.mongodb.net:27017'] 
  [Server closed connection. calling ismaster on 'b.mongodb.net:27017']
  [Server closed connection. calling ismaster on 'c.mongodb.net:27017']
  </code></pre>
  
  <p>I however, can connect using MongoChef</p>