Let's Debug

Test result for clientservice.tvb.com.hk using tls-alpn-01

A test authorization for clientservice.tvb.com.hk to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
103.84.222.89: Connection refused

Submitted Jun 22 03:46:47 2022. Sat in queue for 5ms. Completed in 16s. Show verbose information.