It looks as if you have generated a certificate via the test server, not the production server
getting cert from server - ivorselby.co.uk
Certificate chain
0 s:/CN=ivorselby.co.uk
i:/CN=Fake LE Intermediate X1
1 s:/CN=Fake LE Intermediate X1
i:/CN=Fake LE Root X1
---
Certificate:
Issuer: CN=Fake LE Intermediate X1
Not Before: Jan 3 10:17:47 2018 GMT
Not After : Apr 3 10:17:47 2018 GMT
Subject: CN=ivorselby.co.uk
Public Key Algorithm: rsaEncryption
DNS:ivorselby.co.uk
How did you generate the certificate ?