A fatal issue occurred during the DNS lookup process for www.reliabletech.ru/CAA.
DNS response for www.reliabletech.ru had fatal DNSSEC issues: validation failure <www.reliabletech.ru. CAA IN>: No DNSKEY record from 162.159.44.175 for key reliabletech.ru. while building chain of trust
A fatal issue occurred during the DNS lookup process for www.reliabletech.ru/A.
DNS response for www.reliabletech.ru had fatal DNSSEC issues: validation failure <www.reliabletech.ru. A IN>: No DNSKEY record from 2606:4700:58::a29f:2caf for key reliabletech.ru. while building chain of trust
A fatal issue occurred during the DNS lookup process for www.reliabletech.ru/AAAA.
DNS response for www.reliabletech.ru had fatal DNSSEC issues: validation failure <www.reliabletech.ru. AAAA IN>: No DNSKEY record from 2803:f800:50::6ca2:c0be for key reliabletech.ru. while building chain of trust
No valid A or AAAA records could be ultimately resolved for www.reliabletech.ru. 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.