I've discovered this, I think the point is to add a txt record to the dns
The following errors were reported by the server:
Domain: eternity-tegueste.es
Type: unauthorized
Detail: No TXT record found at _acme-challenge.eternity-tegueste.es
To fix these errors, please make sure that your domain name was
entered correctly and the DNS A/AAAA record(s) for that domain
contain(s) the right IP address.
- The following errors were reported by the server:
Domain: mail.eternity-tegueste.es
Type: dns
Detail: DNS problem: NXDOMAIN looking up TXT for
_acme-challenge.mail.eternity-tegueste.es - check that a DNS record
exists for this domain
Domain:
www.eternity-tegueste.esType: dns
Detail: DNS problem: NXDOMAIN looking up TXT for
_acme-challenge.www.eternity-tegueste.es - check that a DNS record
exists for this domain