Let's Debug

Test result for dovevo.com using http-01

A fatal issue occurred during the DNS lookup process for dovevo.com/CAA.
DNS response for dovevo.com/CAA did not have an acceptable response code: SERVFAIL
A fatal issue occurred during the DNS lookup process for dovevo.com/A.
DNS response for dovevo.com/A did not have an acceptable response code: SERVFAIL
A fatal issue occurred during the DNS lookup process for dovevo.com/AAAA.
DNS response for dovevo.com/AAAA did not have an acceptable response code: SERVFAIL
Fatal
No valid A or AAAA records could be ultimately resolved for dovevo.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.
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for dovevo.com is: com
Debug
1 Certificates contributing to rate limits for this domain

Serial: 317002622232976875424538071050196435990583
NotBefore: 2019-03-16 07:12:15 +0000 UTC
Names: [mail.dovevo.com]

Debug
The current status.io status for Let's Encrypt
Operational

Submitted Mar 22 10:07:48 2019. Sat in queue for 2ms. Completed in 50s. Hide verbose information.