Let's Debug

Test result for cardaviz.app using http-01

cardaviz.app has an AAAA (IPv6) record (2a03:b0c0:1:d0::116c:2001) 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.
Get "http://cardaviz.app/.well-known/acme-challenge/letsdebug-test": EOF

Trace:
@0ms: Making a request to http://cardaviz.app/.well-known/acme-challenge/letsdebug-test (using initial IP 2a03:b0c0:1:d0::116c:2001)
@0ms: Dialing 2a03:b0c0:1:d0::116c:2001
@165ms: Experienced error: EOF
A test authorization for cardaviz.app to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
2a03:b0c0:1:d0::116c:2001: Fetching http://cardaviz.app/.well-known/acme-challenge/90WA3xo9cRd7-bqAu8Y_j1O2WIpAngrsInyhqLohdy0: Error getting validation data
Debug
Requests made to the domain
Request to: cardaviz.app/2a03:b0c0:1:d0::116c:2001, Result: [Address=2a03:b0c0:1:d0::116c:2001,Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://cardaviz.app/.well-known/acme-challenge/letsdebug-test (using initial IP 2a03:b0c0:1:d0::116c:2001)
@0ms: Dialing 2a03:b0c0:1:d0::116c:2001
@165ms: Experienced error: EOF

Request to: cardaviz.app/159.65.34.99, Result: [Address=159.65.34.99,Address Type=IPv4,Server=nginx/1.18.0 (Ubuntu),HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://cardaviz.app/.well-known/acme-challenge/letsdebug-test (using initial IP 159.65.34.99)
@0ms: Dialing 159.65.34.99
@11ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
cardaviz.app. 0 IN A 159.65.34.99
cardaviz.app. 0 IN AAAA 2a03:b0c0:1:d0::116c:2001
Challenge update failures for cardaviz.app in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/10688433744
acme: error code 400 "urn:ietf:params:acme:error:connection": 2a03:b0c0:1:d0::116c:2001: Fetching http://cardaviz.app/.well-known/acme-challenge/90WA3xo9cRd7-bqAu8Y_j1O2WIpAngrsInyhqLohdy0: Error getting validation data
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for cardaviz.app is: app
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Sep 3 22:47:59 2023. Sat in queue for 4ms. Completed in 5s. Hide verbose information.