Let's Debug

Test result for img.pptvhd36.com using http-01

A fatal issue occurred during the DNS lookup process for img.pptvhd36.com/A.
DNS response for img.pptvhd36.com/A did not have an acceptable response code: SERVFAIL
A fatal issue occurred during the DNS lookup process for img.pptvhd36.com/AAAA.
DNS response for img.pptvhd36.com/AAAA did not have an acceptable response code: SERVFAIL
Fatal
No valid A or AAAA records could be ultimately resolved for img.pptvhd36.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.
The current status as reported by the Let's Encrypt status page is Planned Maintenance as at 2020-05-21 17:15:18.284 +0000 UTC. Depending on the reported problem, this may affect certificate issuance. For more information, please visit the status page.
https://letsencrypt.status.io/

Submitted May 21 17:30:39 2020. Sat in queue for 1ms. Completed in 1m1s. Show verbose information.