cURL error 7: Failed to connect to www.mindomo.com port 443 after 12 ms: Connection refused (see https://curl.haxx.se/libcurl/c/libcurl-errors.html) for https://www.mindomo.com/help/desktop/basics/tasks/faqs/classroom-exercises/css/assignments/administration/mind-mapping/integrations/mobile/mind-mapping/images/boundary_new2.png