A test authorization for catona.cloud to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
23.95.47.78: Fetching http://catona.cloud/.well-known/acme-challenge/HSVeiHpqAx0u4kHr_MemqxyFINX53ZFfnj3gC_Dn-Gc: Timeout during connect (likely firewall problem)