Let's Debug

Test result for epyc.org using http-01

Error
Sending an ACME HTTP validation request to epyc.org results in an unacceptable redirect. This is most likely a misconfiguration of your web server or your web application.
It appears that a redirect was generated by your web server that is missing a trailing slash after your domain name: https://epyc.org.well-known/acme-challenge/letsdebug-test. Check your web server configuration and .htaccess for Redirect/RedirectMatch/RewriteRule.

Trace:
@0ms: Making a request to http://epyc.org/.well-known/acme-challenge/letsdebug-test (using initial IP 50.116.44.159)
@0ms: Dialing 50.116.44.159
@41ms: Server response: HTTP 301 Moved Permanently
@41ms: Received redirect to https://epyc.org.well-known/acme-challenge/letsdebug-test
A test authorization for epyc.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching https://epyc.org.well-known/acme-challenge/m-hgGwamkZuN4Xz01z95WuCw1ZQMTTkKDF8z_4GZ3qE: dns :: DNS problem: NXDOMAIN looking up A for epyc.org.well-known

Submitted Mar 5 00:24:16 2019. Sat in queue for 8ms. Completed in 4s. Show verbose information.