A test authorization for www.lurgolog.it to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
82.223.49.25: Fetching http://www.lurgolog.it/.well-known/acme-challenge/mZP7V7V_ceO5ADbtz0vDatSfmT0l-u3DeFCVWFSVGwM: Timeout during connect (likely firewall problem)