home.chewie.co.uk has an A (IPv4) record (112.201.66.188) 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 home.chewie.co.uk/112.201.66.188: Get "http://home.chewie.co.uk/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://home.chewie.co.uk/.well-known/acme-challenge/letsdebug-test (using initial IP 112.201.66.188)
@0ms: Dialing 112.201.66.188
@10000ms: Experienced error: context deadline exceeded
A test authorization for home.chewie.co.uk to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://home.chewie.co.uk/.well-known/acme-challenge/5wuQ517rA-lBFTP1EQRiYhIW75K-fswdlAeYMJTwl3w: Timeout during connect (likely firewall problem)