kamarweb.mcglashan.school.nz has an A (IPv4) record (210.55.89.207) 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 kamarweb.mcglashan.school.nz/210.55.89.207: Get "http://kamarweb.mcglashan.school.nz/.well-known/acme-challenge/letsdebug-test": dial tcp 210.55.89.207:80: i/o timeout
Trace:
@0ms: Making a request to http://kamarweb.mcglashan.school.nz/.well-known/acme-challenge/letsdebug-test (using initial IP 210.55.89.207)
@0ms: Dialing 210.55.89.207
@10001ms: Experienced error: dial tcp 210.55.89.207:80: i/o timeout
A test authorization for kamarweb.mcglashan.school.nz to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://kamarweb.mcglashan.school.nz/.well-known/acme-challenge/DaoiLQMOUAxUibBdMooAN0bA3-LPwlt0-nYnoILffvI: Timeout during connect (likely firewall problem)