A fatal issue occurred during the DNS lookup process for cdn.233.momobako.com/A.
DNS response for cdn.233.momobako.com had fatal DNSSEC issues: validation failure <cdn.233.momobako.com. A IN>: signature crypto failed from 203.119.159.121 for DS 233.momobako.com. while building chain of trust
No valid A or AAAA records could be ultimately resolved for cdn.233.momobako.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.