​Login to https://www.godaddy.com/.

Browse to DNS.

Review existing CNAMES (as reference to match config - previous records point to AWS.)

Add new CNAME.  Enter only the domain in the Host name. 

ex.  for "​Comet.aceinfo-cdp.com", enter "comet"

Then enter the full AWS path in the "points to"  field.

Click FINISH - should take affect the next morning.