nextcloud.huber-server.de has an AAAA (IPv6) record (2a02:590:ec0:b6f:b42e:9900:1cc:1915) but a test request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address. You should either ensure that validation requests to this domain succeed over IPv6, or remove its AAAA record.
A timeout was experienced while communicating with nextcloud.huber-server.de/2a02:590:ec0:b6f:b42e:9900:1cc:1915: Get "http://nextcloud.huber-server.de/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://nextcloud.huber-server.de/.well-known/acme-challenge/letsdebug-test (using initial IP 2a02:590:ec0:b6f:b42e:9900:1cc:1915)
@0ms: Dialing 2a02:590:ec0:b6f:b42e:9900:1cc:1915
@10000ms: Experienced error: context deadline exceeded
A test authorization for nextcloud.huber-server.de to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
2a02:590:ec0:b6f:b42e:9900:1cc:1915: Fetching http://nextcloud.huber-server.de/.well-known/acme-challenge/XJu7Rlb2cK044S45wInQm8ix8C2GJpSuFRH4NErNelk: Timeout during connect (likely firewall problem)
Requests made to the domain
Request to: nextcloud.huber-server.de/2a02:590:ec0:b6f:b42e:9900:1cc:1915, Result: [Address=2a02:590:ec0:b6f:b42e:9900:1cc:1915,Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://nextcloud.huber-server.de/.well-known/acme-challenge/letsdebug-test (using initial IP 2a02:590:ec0:b6f:b42e:9900:1cc:1915)
@0ms: Dialing 2a02:590:ec0:b6f:b42e:9900:1cc:1915
@10000ms: Experienced error: context deadline exceeded
A and AAAA records found for this domain
nextcloud.huber-server.de. 0 IN AAAA 2a02:590:ec0:b6f:b42e:9900:1cc:1915
Challenge update failures for nextcloud.huber-server.de in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/15020098214
acme: error code 400 "urn:ietf:params:acme:error:connection": 2a02:590:ec0:b6f:b42e:9900:1cc:1915: Fetching http://nextcloud.huber-server.de/.well-known/acme-challenge/XJu7Rlb2cK044S45wInQm8ix8C2GJpSuFRH4NErNelk: Timeout during connect (likely firewall problem)
The IANA public suffix is the TLD of the Registered Domain
The TLD for nextcloud.huber-server.de is: de
The current status.io status for Let's Encrypt
Operational