DNSimple DNS method for Lets encrypt fails.

[rjolda]

Hi,
Using C11.1 and NT14.38
I have my DNS Simple set up and running.  I have filled in all of the information on the Server.  I test my DNS credentials and they are OK.
"Call to WhoAmI was Successful
HTTP/1.1 200 OK"
I go to test getting a Certificate and it goes through the process and hangs at :
[ 7/08/26-15:49:57]  DNS Record not yet propogated. Rechecking.     <<<<<<<<<<<<==========

This is the precursor message:
[ 7/08/26-15:49:56]  Checking DNS Record propogation
[ 7/08/26-15:49:55]  DNS Challenge for pdmginc.com being created

Where do I look for a problem?
Thanks,
Ron