biggszm.duckdns.org has an A (IPv4) record (174.66.232.64) 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 biggszm.duckdns.org/174.66.232.64: Get "http://biggszm.duckdns.org/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://biggszm.duckdns.org/.well-known/acme-challenge/letsdebug-test (using initial IP 174.66.232.64)
@0ms: Dialing 174.66.232.64
@10000ms: Experienced error: context deadline exceeded
A test authorization for biggszm.duckdns.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://biggszm.duckdns.org/.well-known/acme-challenge/ajqq4L_HEJFX78nS0dme4abPsj6QMh66fAg-vChFgWA: Timeout during connect (likely firewall problem)
Requests made to the domain
Request to: biggszm.duckdns.org/174.66.232.64, Result: [Address=174.66.232.64,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://biggszm.duckdns.org/.well-known/acme-challenge/letsdebug-test (using initial IP 174.66.232.64)
@0ms: Dialing 174.66.232.64
@10000ms: Experienced error: context deadline exceeded
A and AAAA records found for this domain
biggszm.duckdns.org. 0 IN A 174.66.232.64
Challenge update failures for biggszm.duckdns.org in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/101800805
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://biggszm.duckdns.org/.well-known/acme-challenge/ajqq4L_HEJFX78nS0dme4abPsj6QMh66fAg-vChFgWA: Timeout during connect (likely firewall problem)
The IANA public suffix is the TLD of the Registered Domain
The TLD for biggszm.duckdns.org is: org
The current status.io status for Let's Encrypt
Operational