demo.lifeinlocal.com has an A (IPv4) record (207.178.252.116) 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 demo.lifeinlocal.com/207.178.252.116: Get "http://demo.lifeinlocal.com/.well-known/acme-challenge/letsdebug-test": dial tcp 207.178.252.116:80: i/o timeout
Trace:
@0ms: Making a request to http://demo.lifeinlocal.com/.well-known/acme-challenge/letsdebug-test (using initial IP 207.178.252.116)
@0ms: Dialing 207.178.252.116
@10001ms: Experienced error: dial tcp 207.178.252.116:80: i/o timeout
A test authorization for demo.lifeinlocal.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
207.178.252.116: Fetching http://demo.lifeinlocal.com/.well-known/acme-challenge/qBPFzoTUu3Q-OmxdvSfKbf4wlw6AVgjEmZEE23iEmpQ: Timeout during connect (likely firewall problem)