astra.scada-international.com has an A (IPv4) record (18.104.22.168) 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.
Get "http://astra.scada-international.com/.well-known/acme-challenge/letsdebug-test": read tcp 22.214.171.124:33824->126.96.36.199:80: read: connection reset by peer
@0ms: Making a request to http://astra.scada-international.com/.well-known/acme-challenge/letsdebug-test (using initial IP 188.8.131.52)
@0ms: Dialing 184.108.40.206
@194ms: Experienced error: read tcp 220.127.116.11:33824->18.104.22.168:80: read: connection reset by peer
A test authorization for astra.scada-international.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
22.214.171.124: Fetching http://astra.scada-international.com/.well-known/acme-challenge/6cH05quIt9EiBL-9BtLctJm2lm7RvY3Y0O2ACFAfv-U: Connection reset by peer