bankofharry.nl has an A (IPv4) record (95.179.147.177) 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://bankofharry.nl/.well-known/acme-challenge/letsdebug-test: dial tcp 95.179.147.177:80: connect: connection refused
Trace:
@0ms: Making a request to http://bankofharry.nl/.well-known/acme-challenge/letsdebug-test (using initial IP 95.179.147.177)
@0ms: Dialing 95.179.147.177
@83ms: Experienced error: dial tcp 95.179.147.177:80: connect: connection refused
A test authorization for bankofharry.nl to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://bankofharry.nl/.well-known/acme-challenge/jL5_gf6LHQSUT-YaSWzSqmUvmHCU3MxW_amp2TqsDRM: Connection refused