Hello @agiorg, welcome to the Let's Encrypt community. 
Using https://crt.sh/ here is a list of issued certificates crt.sh | bellevetratescorrevoli.it, the latest being 2022-11-17 for api.bellevetratescorrevoli.it. And for crm.bellevetratescorrevoli.it the latest is 2022-10-17.
Is an old version, Certbot 1.32.0 Release
You likely have a DNS issue.
Public facing domain name (crm.bellevetratescorrevoli.it) needs to resolve to a Pubic facing IP Address
for inside you can have the same domain name (crm.bellevetratescorrevoli.it) resolve to an inside facing IP Address to avoid the clients going outside the firewall and back in.