DOI problem SSL

The “CrossRef XML Export Plugin” plugin when trying to deposit a new article gives me the following error: “No response from server”.
In the logs it does not show me any error. I made some modification to show me more details and it was the following (image capture).
OJS version
Windows Server 2016 Datacenter
PHP 7.4.6
Captura de pantalla 2021-05-18 a las 12.38.16