Let's Debug

Test result for quanqiu.group using http-01

Error
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.
A timeout was experienced while communicating with quanqiu.group/106.15.121.65: Get https://quanqiu.group/.well-known/acme-challenge/letsdebug-test: context deadline exceeded

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
@443ms: Server response: HTTP 301 Moved Permanently
@443ms: Received redirect to https://quanqiu.group/.well-known/acme-challenge/letsdebug-test
@444ms: Dialing 106.15.121.65
@10000ms: Experienced error: context deadline exceeded
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 https://quanqiu.group/.well-known/acme-challenge/fRauIhllPx9IjvpT3fbhUrhWZl-COUf8RRCFnfv864E: Timeout after connect (your server may be slow or overloaded)
Debug
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=301,Number of Redirects=1,Final 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
@443ms: Server response: HTTP 301 Moved Permanently
@443ms: Received redirect to https://quanqiu.group/.well-known/acme-challenge/letsdebug-test
@444ms: Dialing 106.15.121.65
@10000ms: Experienced error: context deadline exceeded

Debug
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/5751349/69270643
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching https://quanqiu.group/.well-known/acme-challenge/fRauIhllPx9IjvpT3fbhUrhWZl-COUf8RRCFnfv864E: Timeout after connect (your server may be slow or overloaded)
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for quanqiu.group is: group
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Jan 9 19:59:46 2020. Sat in queue for 1ms. Completed in 13s. Hide verbose information.