syslog.digitalisland.co.nz has an A (IPv4) record (103.13.11.1) 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 syslog.digitalisland.co.nz/103.13.11.1: Get "http://syslog.digitalisland.co.nz/.well-known/acme-challenge/letsdebug-test": dial tcp 103.13.11.1:80: i/o timeout
Trace:
@0ms: Making a request to http://syslog.digitalisland.co.nz/.well-known/acme-challenge/letsdebug-test (using initial IP 103.13.11.1)
@0ms: Dialing 103.13.11.1
@10000ms: Experienced error: dial tcp 103.13.11.1:80: i/o timeout
A test authorization for syslog.digitalisland.co.nz to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://syslog.digitalisland.co.nz/.well-known/acme-challenge/PzE568gxB3rxlKJ6QpbCSqJxrvd12cQ-GVoXEBQ44OE: Timeout during connect (likely firewall problem)