Let's Debug

Test result for www.gnaarl.de using http-01

A fatal issue occurred during the DNS lookup process for www.gnaarl.de/CAA.
DNS response for www.gnaarl.de/CAA did not have an acceptable response code: SERVFAIL
Debug
A and AAAA records found for this domain
www.gnaarl.de. 0 IN A 188.68.60.18
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for www.gnaarl.de is: de
Debug
The current status.io status for Let's Encrypt
Operational

Submitted May 7 11:20:49 2019. Sat in queue for 3ms. Completed in 4s. Hide verbose information.