Let's Debug

Test result for abr.eplus.net using http-01

Debug
Requests made to the domain
Request to: abr.eplus.net/50.93.182.138, Result: [Address=50.93.182.138,Address Type=IPv4,Server=nginx/1.17.6,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://abr.eplus.net/.well-known/acme-challenge/letsdebug-test (using initial IP 50.93.182.138)
@0ms: Dialing 50.93.182.138
@56ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
abr.eplus.net. 0 IN A 50.93.182.138
Challenge update failures for abr.eplus.net in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/79288494
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from http://abr.eplus.net/.well-known/acme-challenge/xCuqtSq4Jsxvtyypc_bOdZrFvcJEBfAvpzwi7PbMJwc [50.93.182.138]: "<html>\r\n<head><title>404 Not Found</title></head>\r\n<body>\r\n<center><h1>404 Not Found</h1></center>\r\n<hr><center>nginx/1.17.6</ce"
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for abr.eplus.net is: net
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Mar 14 07:10:20 2020. Sat in queue for 2ms. Completed in 4s. Hide verbose information.