Well, there is some change right now. I think the DNS change needed some time. However now I get another error, but a different one.
Cannot Execute Your Request
Details
Requesting new certificate order…
Processing authorization for devconexus.nl…
Error: http://devconexus.nl/.well-known/acme-challenge/letsencrypt_1539269071 is not reachable. Aborting the script.
dig output for devconexus.nl:
84.22.102.228
Please make sure /.well-known alias is setup in WWW server.