Let's Debug

Test result for app.home.tilsch.it using dns-01

A fatal issue occurred during the DNS lookup process for app.home.tilsch.it/CAA.
DNS response for app.home.tilsch.it/CAA did not have an acceptable response code: SERVFAIL

Submitted Mar 25 15:57:10 2019. Sat in queue for 2ms. Completed in 3m30s. Show verbose information.