www.microlink.com.my has an A (IPv4) record (52.237.79.2) 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 www.microlink.com.my/52.237.79.2: Get "https://www.microlink.com.my/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://www.microlink.com.my/.well-known/acme-challenge/letsdebug-test (using initial IP 52.237.79.2)
@0ms: Dialing 52.237.79.2
@471ms: Server response: HTTP 301 Moved Permanently
@471ms: Received redirect to https://www.microlink.com.my/.well-known/acme-challenge/letsdebug-test
@471ms: Dialing 52.237.79.2
@10000ms: Experienced error: context deadline exceeded
A test authorization for www.microlink.com.my to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
52.237.79.2: Fetching https://www.microlink.com.my/.well-known/acme-challenge/zXmxoKa4K2aj89aHC2oeiGCfp0l_zA-b_nLcV-FbNZk: Timeout during connect (likely firewall problem)