Let's Debug

Test result for srimuang.ddns.net using http-01

srimuang.ddns.net has an A (IPv4) record ( 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 srimuang.ddns.net/ Get "http://srimuang.ddns.net/.well-known/acme-challenge/letsdebug-test": context deadline exceeded

@0ms: Making a request to http://srimuang.ddns.net/.well-known/acme-challenge/letsdebug-test (using initial IP
@0ms: Dialing
@10000ms: Experienced error: context deadline exceeded
A test authorization for srimuang.ddns.net to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued. Fetching http://srimuang.ddns.net/.well-known/acme-challenge/PrZHyBrKT9Xv26svBGu__XAc8FAi7b-nzXIqkekxd3w: Timeout during connect (likely firewall problem)

Submitted Aug 23 18:15:52 2022. Sat in queue for 6ms. Completed in 21s. Show verbose information.