A fatal issue occurred during the DNS lookup process for shoppingsp.com/CAA.
DNS response for shoppingsp.com/CAA did not have an acceptable response code: SERVFAIL
A fatal issue occurred during the DNS lookup process for shoppingsp.com/A.
DNS response for shoppingsp.com/A did not have an acceptable response code: SERVFAIL
A fatal issue occurred during the DNS lookup process for shoppingsp.com/AAAA.
DNS response for shoppingsp.com/AAAA did not have an acceptable response code: SERVFAIL
No valid A or AAAA records could be ultimately resolved for shoppingsp.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.