A test authorization for testare.psiholog360.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
DNS problem: SERVFAIL looking up TXT for _acme-challenge.testare.psiholog360.com - the domain's nameservers may be malfunctioning
Challenge update failures for testare.psiholog360.com in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/131006118
acme: error code 400 "urn:ietf:params:acme:error:dns": DNS problem: SERVFAIL looking up TXT for _acme-challenge.testare.psiholog360.com - the domain's nameservers may be malfunctioning
The IANA public suffix is the TLD of the Registered Domain
The TLD for testare.psiholog360.com is: com