Let's Debug

Test result for scammell.co.uk using http-01

Requests made to the domain
Request to: scammell.co.uk/2a03:b0c0:3:d0::54:f001, Result: [Address Type=IPv6,Response Code=404,Server=nginx], Issue:
Request to: scammell.co.uk/, Result: [Address Type=IPv4,Response Code=404,Server=nginx], Issue:
A and AAAA records found for this domain
scammell.co.uk. 0 IN A
scammell.co.uk. 0 IN AAAA 2a03:b0c0:3:d0::54:f001
Challenge update failures for scammell.co.uk in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/1220315
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from http://scammell.co.uk/.well-known/acme-challenge/jMSrINypJ7gqCO2ngFPYcjPm6ljlWGHkGXWl0gVaUDw: "<html>
<head><title>404 Not Found</title></head>
<body bgcolor="white">
<center><h1>404 Not Found</h1></center>
The IANA public suffix is the TLD of the Registered Domain
The TLD for scammell.co.uk is: co.uk
The current status.io status for Let's Encrypt

Submitted May 23 16:57:23 2018. Sat in queue for 5ms. Completed in 2s. Hide verbose information.