Let's Debug

Test result for mail.topperfloats.com using http-01

Debug
Requests made to the domain
Request to: mail.topperfloats.com/74.85.224.14, Result: [Address=74.85.224.14,Address Type=IPv4,Server=IceWarp/12.2.0.2 x64,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://mail.topperfloats.com/.well-known/acme-challenge/letsdebug-test (using initial IP 74.85.224.14)
@0ms: Dialing 74.85.224.14
@159ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
mail.topperfloats.com. 0 IN A 74.85.224.14
Challenge update failures for mail.topperfloats.com in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/150962132
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from http://mail.topperfloats.com/.well-known/acme-challenge/sRZxFlH7zcez1Ofaiv_GV399K721y9OurX7Ks61dlfs [74.85.224.14]: "<HTML><HEAD><TITLE>404 Not Found</TITLE></HEAD><BODY><table width=\"400\" cellpadding=\"3\" cellspacing=\"5\"><tr><td align=\"left\" val"
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for mail.topperfloats.com is: com
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Sep 17 16:52:52 2020. Sat in queue for 2ms. Completed in 3s. Hide verbose information.