A test authorization for bdtest2.zorin.au to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
180.210.129.103: Fetching http://bdtest2.zorin.au/.well-known/acme-challenge/VzwSm_kHsadh8p_0d41g_TkbOegydm0EYArjlBYfksk: Timeout during connect (likely firewall problem)