elashri.duckdns.org has an A (IPv4) record (2.50.196.92) 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 elashri.duckdns.org/2.50.196.92: Get "http://elashri.duckdns.org/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://elashri.duckdns.org/.well-known/acme-challenge/letsdebug-test (using initial IP 2.50.196.92)
@0ms: Dialing 2.50.196.92
@10000ms: Experienced error: context deadline exceeded
A test authorization for elashri.duckdns.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
2.50.196.92: Fetching http://elashri.duckdns.org/.well-known/acme-challenge/Cx8XDJQLjktq_T8velYxplUoTzGo3amiOiOZl2_7LDI: Timeout during connect (likely firewall problem)