waternlava.duckdns.org has an A (IPv4) record (172.97.143.192) 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 waternlava.duckdns.org/172.97.143.192: Get "http://waternlava.duckdns.org/.well-known/acme-challenge/letsdebug-test": dial tcp 172.97.143.192:80: i/o timeout
Trace:
@0ms: Making a request to http://waternlava.duckdns.org/.well-known/acme-challenge/letsdebug-test (using initial IP 172.97.143.192)
@0ms: Dialing 172.97.143.192
@10000ms: Experienced error: dial tcp 172.97.143.192:80: i/o timeout
A test authorization for waternlava.duckdns.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://waternlava.duckdns.org/.well-known/acme-challenge/PR9bNO2sWQdEnCgFqbDOI5qGgxDZv4gubFd-mlqGa2g: Timeout during connect (likely firewall problem)
Requests made to the domain
Request to: waternlava.duckdns.org/172.97.143.192, Result: [Address=172.97.143.192,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://waternlava.duckdns.org/.well-known/acme-challenge/letsdebug-test (using initial IP 172.97.143.192)
@0ms: Dialing 172.97.143.192
@10000ms: Experienced error: dial tcp 172.97.143.192:80: i/o timeout
A and AAAA records found for this domain
waternlava.duckdns.org. 0 IN A 172.97.143.192
Challenge update failures for waternlava.duckdns.org in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/216912741
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://waternlava.duckdns.org/.well-known/acme-challenge/PR9bNO2sWQdEnCgFqbDOI5qGgxDZv4gubFd-mlqGa2g: Timeout during connect (likely firewall problem)
The IANA public suffix is the TLD of the Registered Domain
The TLD for waternlava.duckdns.org is: org
The current status.io status for Let's Encrypt
Operational