Requests made to the domain
Request to: sendy.colcolmail.co.uk/52.16.62.68, Result: [Address=52.16.62.68,Address Type=IPv4,Server=nginx/1.10.3 (Ubuntu),HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://sendy.colcolmail.co.uk/.well-known/acme-challenge/letsdebug-test (using initial IP 52.16.62.68)
@0ms: Dialing 52.16.62.68
@168ms: Server response: HTTP 404 Not Found
Challenge update failures for sendy.colcolmail.co.uk in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/73641056
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from http://sendy.colcolmail.co.uk/.well-known/acme-challenge/aYtYPcZp1pbTJgw5cQ3fki7E6besHpvJ6hj64YKbviU [52.16.62.68]: "<html>\r\n<head><title>404 Not Found</title></head>\r\n<body bgcolor=\"white\">\r\n<center><h1>404 Not Found</h1></center>\r\n<hr><center>"
The IANA public suffix is the TLD of the Registered Domain
The TLD for sendy.colcolmail.co.uk is: co.uk