A test authorization for gwiz.site to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
24.112.29.7: Error getting validation data
Challenge update failures for gwiz.site in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/6054537353
acme: error code 400 "urn:ietf:params:acme:error:connection": 24.112.29.7: Error getting validation data