A test authorization for ast.docflow.bpm.unitybase.info to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
DNS problem: query timed out looking up TXT for _acme-challenge.ast.docflow.bpm.unitybase.info
An internal error occurred while checking the domain
Failed to query certwatch database to check rate limits: pq: canceling statement due to user request
Challenge update failures for ast.docflow.bpm.unitybase.info in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/88499066
acme: error code 400 "urn:ietf:params:acme:error:dns": DNS problem: query timed out looking up TXT for _acme-challenge.ast.docflow.bpm.unitybase.info
The IANA public suffix is the TLD of the Registered Domain
The TLD for ast.docflow.bpm.unitybase.info is: info
The current status.io status for Let's Encrypt
Operational