A test authorization for kcurv.nl to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching https://kcurv.nl/.well-known/acme-challenge/OAxp4Zhe5EjQfkuV2E64Muam-c4P7HrECx5luoWdQRg: Timeout during connect (likely firewall problem)
Requests made to the domain
Request to: kcurv.nl/2a06:2ec0:1::97, Result: [Address Type=IPv6,Server=Apache/2,HTTP Status=302,Number of Redirects=1,Final HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://kcurv.nl/.well-known/acme-challenge/letsdebug-test (using initial IP 2a06:2ec0:1::97)
@0ms: Dialing 2a06:2ec0:1::97
@164ms: Server response: HTTP 302 Found
@165ms: Received redirect to https://kcurv.nl/.well-known/acme-challenge/letsdebug-test
@165ms: Dialing 2a06:2ec0:1::97
@486ms: Server response: HTTP 404 Not Found
Request to: kcurv.nl/185.104.29.40, Result: [Address Type=IPv4,Server=Apache/2,HTTP Status=302,Number of Redirects=1,Final HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://kcurv.nl/.well-known/acme-challenge/letsdebug-test (using initial IP 185.104.29.40)
@0ms: Dialing 185.104.29.40
@170ms: Server response: HTTP 302 Found
@170ms: Received redirect to https://kcurv.nl/.well-known/acme-challenge/letsdebug-test
@170ms: Dialing 185.104.29.40
@493ms: Server response: HTTP 404 Not Found
A and AAAA records found for this domain
kcurv.nl. 0 IN A 185.104.29.40
kcurv.nl. 0 IN AAAA 2a06:2ec0:1::97
Challenge update failures for kcurv.nl in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/38868292
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching https://kcurv.nl/.well-known/acme-challenge/OAxp4Zhe5EjQfkuV2E64Muam-c4P7HrECx5luoWdQRg: Timeout during connect (likely firewall problem)