A fatal issue occured during the DNS lookup process for doyban.com/CAA.
DNS response for doyban.com had fatal DNSSEC issues: validation failure <doyban.com. CAA IN>: No DNSKEY record from 91.231.140.6 for key doyban.com. while building chain of trust
A fatal issue occured during the DNS lookup process for doyban.com/A.
DNS response for doyban.com had fatal DNSSEC issues: validation failure <doyban.com. A IN>: No DNSKEY record from 91.231.140.6 for key doyban.com. while building chain of trust
A fatal issue occured during the DNS lookup process for doyban.com/AAAA.
DNS response for doyban.com had fatal DNSSEC issues: validation failure <doyban.com. AAAA IN>: No DNSKEY record from 91.231.140.7 for key doyban.com. while building chain of trust
No valid A or AAAA records could be ultimately resolved for doyban.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.