quanqiu.group has an A (IPv4) record (106.15.121.65) but a request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address.
Get http://quanqiu.group/.well-known/acme-challenge/letsdebug-test: dial tcp 106.15.121.65:80: connect: connection refused
Trace:
@0ms: Making a request to http://quanqiu.group/.well-known/acme-challenge/letsdebug-test (using initial IP 106.15.121.65)
@0ms: Dialing 106.15.121.65
@236ms: Experienced error: dial tcp 106.15.121.65:80: connect: connection refused
A test authorization for quanqiu.group to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://quanqiu.group/.well-known/acme-challenge/2SGKB6yml7rFOZ-8A6kiFCVasIdRlWfguhEgR1lLiig: Connection refused
Requests made to the domain
Request to: quanqiu.group/106.15.121.65, Result: [Address=106.15.121.65,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://quanqiu.group/.well-known/acme-challenge/letsdebug-test (using initial IP 106.15.121.65)
@0ms: Dialing 106.15.121.65
@236ms: Experienced error: dial tcp 106.15.121.65:80: connect: connection refused
A and AAAA records found for this domain
quanqiu.group. 0 IN A 106.15.121.65
Challenge update failures for quanqiu.group in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/69362164
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://quanqiu.group/.well-known/acme-challenge/2SGKB6yml7rFOZ-8A6kiFCVasIdRlWfguhEgR1lLiig: Connection refused
The IANA public suffix is the TLD of the Registered Domain
The TLD for quanqiu.group is: group
The current status.io status for Let's Encrypt
Operational