jellyfin.sbljellyfin.com has an A (IPv4) record (85.229.107.228) 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 jellyfin.sbljellyfin.com/85.229.107.228: Get "http://jellyfin.sbljellyfin.com/.well-known/acme-challenge/letsdebug-test": dial tcp 85.229.107.228:80: i/o timeout
Trace:
@0ms: Making a request to http://jellyfin.sbljellyfin.com/.well-known/acme-challenge/letsdebug-test (using initial IP 85.229.107.228)
@0ms: Dialing 85.229.107.228
@10001ms: Experienced error: dial tcp 85.229.107.228:80: i/o timeout
A test authorization for jellyfin.sbljellyfin.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
85.229.107.228: Fetching http://jellyfin.sbljellyfin.com/.well-known/acme-challenge/sh7UrJl8-AJQpwH2SzUuuAig-iA5UMiSUAxxL6asZ_4: Timeout during connect (likely firewall problem)