Let's Debug

Test result for ma7gdp.duckdns.org using http-01

Debug
Requests made to the domain
Request to: ma7gdp.duckdns.org/88.111.245.50, Result: [Address=88.111.245.50,Address Type=IPv4,Server=nginx/1.23.2,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://ma7gdp.duckdns.org/.well-known/acme-challenge/letsdebug-test (using initial IP 88.111.245.50)
@0ms: Dialing 88.111.245.50
@182ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
ma7gdp.duckdns.org. 0 IN A 88.111.245.50
Challenge update failures for ma7gdp.duckdns.org in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/5024359374
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": 88.111.245.50: Invalid response from http://ma7gdp.duckdns.org/.well-known/acme-challenge/7A04ixeja6gUDWFJ5COJLP8qjB0tGJfiKA0ODHJ9o1Q: 404
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for ma7gdp.duckdns.org is: org
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Nov 6 09:15:13 2022. Sat in queue for 27ms. Completed in 4s. Hide verbose information.