Let's Debug

Test result for orcertest.oabrnd.com using http-01

Fatal
No valid A or AAAA records could be ultimately resolved for orcertest.oabrnd.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 orcertest.oabrnd.com is: com
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Jul 19 08:34:30 2018. Sat in queue for 4ms. Completed in 0s. Hide verbose information.