Apex domains cannot have CNAME records.
Question and response
Question
dig intramo.net.do. NS
Answer
intramo.net.do. 4 NS ns3.linode.com.
intramo.net.do. 4 NS ns5.linode.com.
intramo.net.do. 4 NS ns1.linode.com.
intramo.net.do. 4 NS ns2.linode.com.
intramo.net.do. 4 NS ns4.linode.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0