A test authorization for cdo-tst.lenovo.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://cdo-tst.lenovo.com/.well-known/acme-challenge/MwDoNmiCyronYIIF2idfyjn2HqWdpvaO_iSDpka8n_Y: Timeout during connect (likely firewall problem)
Requests made to the domain
Request to: cdo-tst.lenovo.com/146.196.114.78, Result: [Address=146.196.114.78,Address Type=IPv4,Server=nginx/1.14.0,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://cdo-tst.lenovo.com/.well-known/acme-challenge/letsdebug-test (using initial IP 146.196.114.78)
@0ms: Dialing 146.196.114.78
@2491ms: Server response: HTTP 404 Not Found
A and AAAA records found for this domain
cdo-tst.lenovo.com. 0 IN A 146.196.114.78
Challenge update failures for cdo-tst.lenovo.com in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/61940194
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://cdo-tst.lenovo.com/.well-known/acme-challenge/MwDoNmiCyronYIIF2idfyjn2HqWdpvaO_iSDpka8n_Y: Timeout during connect (likely firewall problem)
The IANA public suffix is the TLD of the Registered Domain
The TLD for cdo-tst.lenovo.com is: com
3 Certificates contributing to rate limits for this domain
Serial: 312813761474128274283498475035075480590963
NotBefore: 2019-11-17 03:56:56 +0000 UTC
Names: [shangxue.lenovo.com]
Serial: 387514178692125931806750500993801229518605
NotBefore: 2019-11-12 09:22:49 +0000 UTC
Names: [*.cnno1.uds-qa.lenovo.com]
Serial: 319711536812960241998459597006062235318554
NotBefore: 2019-11-11 15:35:39 +0000 UTC
Names: [demopool.lenovo.com]
The current status.io status for Let's Encrypt
Operational