Session Start Failed - HTTPSConnectionPool ... Max retries exceeded

My hosted account at Frappe Cloud is failing to load. After ~20 seconds it shows an error dialog with title “Session Start Failed” and content:
HTTPSConnectionPool(host=‘’, port=443): Max retries exceeded with url: /api/method/press.api.central.get_trial_end_date (Caused by NewConnectionError(‘: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution’))

Here’s what the requests look like, using Chrome on Mac. Interestingly they’re all 200s.

Here’s what the page looks like.