itflow.omahatechnology.net has an A (IPv4) record (129.146.55.75) 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.
Get "http://itflow.omahatechnology.net/.well-known/acme-challenge/letsdebug-test": dial tcp 129.146.55.75:80: connect: no route to host
Trace:
@0ms: Making a request to http://itflow.omahatechnology.net/.well-known/acme-challenge/letsdebug-test (using initial IP 129.146.55.75)
@0ms: Dialing 129.146.55.75
@58ms: Experienced error: dial tcp 129.146.55.75:80: connect: no route to host
A test authorization for itflow.omahatechnology.net to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
129.146.55.75: Fetching http://itflow.omahatechnology.net/.well-known/acme-challenge/SCw1P0ptlZ9g4w7h7cJO4AelHuXZOde12-Ps18hYUMo: Error getting validation data