Let's Debug

Test result for mix.linkpc.net using http-01

A fatal issue occurred during the DNS lookup process for mix.linkpc.net/A.
DNS response for mix.linkpc.net/A did not have an acceptable response code: SERVFAIL
A fatal issue occurred during the DNS lookup process for mix.linkpc.net/AAAA.
DNS response for mix.linkpc.net/AAAA did not have an acceptable response code: SERVFAIL
Fatal
No valid A or AAAA records could be ultimately resolved for mix.linkpc.net. This means that Let's Encrypt would not be able 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 Feb 1 16:53:46 2024. Sat in queue for 4ms. Completed in 2m36s. Show verbose information.