Let's Debug

Test result for psisix.com using tls-sni-01

The validation method provided (tls-sni-01) has been disabled by Let's Encrypt. For more information, please visit the url in the details.
https://community.letsencrypt.org/t/important-what-you-need-to-know-about-tls-sni-validation-issues/50811

Submitted Aug 3 05:38:16 2018. Sat in queue for 1ms. Completed in 0s. Show verbose information.