Let's Debug

Test result for shop.agit-global.com using http-01

A fatal issue occurred during the DNS lookup process for shop.agit-global.com/CAA.
DNS response for shop.agit-global.com/CAA did not have an acceptable response code: SERVFAIL
A fatal issue occurred during the DNS lookup process for shop.agit-global.com/A.
DNS response for shop.agit-global.com/A did not have an acceptable response code: SERVFAIL
A fatal issue occurred during the DNS lookup process for shop.agit-global.com/AAAA.
DNS response for shop.agit-global.com/AAAA did not have an acceptable response code: SERVFAIL
Fatal
No valid A or AAAA records could be ultimately resolved for shop.agit-global.com. This means that Let's Encrypt would not be able to to connect to your domain to perform HTTP validation, since it would not know where to connect to.
No A or AAAA records found.

Submitted Oct 6 20:50:39 2020. Sat in queue for 2ms. Completed in 2s. Show verbose information.