A private, inaccessible, IANA/IETF-reserved IP address was found for inuvem.org. Let's Encrypt will always fail HTTP validation for any domain that is pointing to an address that is not routable on the internet. You should either remove this address and replace it with a public one or use the DNS validation method instead.
fe80::9e74:1aff:fe48:6e76
A and AAAA records found for this domain
inuvem.org. 0 IN A 149.90.46.104
inuvem.org. 0 IN AAAA fe80::9e74:1aff:fe48:6e76
The IANA public suffix is the TLD of the Registered Domain
The TLD for inuvem.org is: org
4 Certificates contributing to rate limits for this domain
Serial: 411655138493550255269909906735406856147043
NotBefore: 2022-11-05 15:09:02 +0000 UTC
Names: [*.crm.inuvem.org crm.inuvem.org inuvem.org]
Serial: 403387644098340115733116859275609750912814
NotBefore: 2022-11-04 18:35:05 +0000 UTC
Names: [*.webmail.inuvem.org inuvem.org webmail.inuvem.org]
Serial: 371551548769404553084814199156349159173637
NotBefore: 2022-11-04 02:53:39 +0000 UTC
Names: [*.crm.inuvem.org crm.inuvem.org inuvem.org]
Serial: 323694753631845940367915318757480210311789
NotBefore: 2022-11-03 13:06:45 +0000 UTC
Names: [*.webmail.inuvem.org inuvem.org webmail.inuvem.org]
The current status.io status for Let's Encrypt
Operational