Let's Debug

Test result for www.1777900.com using http-01

A fatal issue occurred during the DNS lookup process for www.1777900.com/CAA.
DNS response for www.1777900.com/CAA did not have an acceptable response code: SERVFAIL
A fatal issue occurred during the DNS lookup process for www.1777900.com/AAAA.
DNS response for www.1777900.com/AAAA did not have an acceptable response code: SERVFAIL
Debug
A and AAAA records found for this domain
www.1777900.com. 0 IN A 47.91.163.203
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for www.1777900.com is: com
Debug
1 Certificates contributing to rate limits for this domain

Serial: 309994739540449013313654541381802742481182
NotBefore: 2018-10-16 12:12:44 +0000 UTC
Names: [1777900.com]

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

Submitted Oct 16 13:36:48 2018. Sat in queue for 9ms. Completed in 7s. Hide verbose information.