Let's Debug

Test result for me.justanon.com using http-01

Error
me.justanon.com has an A (IPv4) record (87.75.54.210) 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://me.justanon.com/.well-known/acme-challenge/letsdebug-test": dial tcp 87.75.54.210:80: connect: connection refused

Trace:
@0ms: Making a request to http://me.justanon.com/.well-known/acme-challenge/letsdebug-test (using initial IP 87.75.54.210)
@0ms: Dialing 87.75.54.210
@93ms: Experienced error: dial tcp 87.75.54.210:80: connect: connection refused
A test authorization for me.justanon.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
87.75.54.210: Fetching http://me.justanon.com/.well-known/acme-challenge/Z4BjFogQuAgWklXxnyjW2iYz98DHyDg7FJk3Kp_bFfo: Connection refused

Submitted Jun 26 22:48:41 2022. Sat in queue for 3ms. Completed in 14s. Show verbose information.