Let's Debug

Test result for demo.lomin.ai using http-01

Error
demo.lomin.ai has an A (IPv4) record (147.46.238.11) but a request to this address over port 80 did not succeed.
A timeout was experienced while communicating with demo.lomin.ai/147.46.238.11: Get http://demo.lomin.ai/.well-known/acme-challenge/letsdebug-test: context deadline exceeded

Trace:
@0ms: Making a request to http://demo.lomin.ai/.well-known/acme-challenge/letsdebug-test (using initial IP 147.46.238.11)
@0ms: Dialing 147.46.238.11
@10000ms: Experienced error: context deadline exceeded
A test authorization for demo.lomin.ai to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://demo.lomin.ai/.well-known/acme-challenge/bC9R4XeP4KQdmgKcPXiE6gST1QLT03ET_9qrLMHYG7E: Timeout during connect (likely firewall problem)

Submitted Dec 14 11:05:35 2018. Sat in queue for 2ms. Completed in 22s. Show verbose information.