Apex domains cannot have CNAME records.
Question and response
Question
dig novartis.net.do. NS
Answer
novartis.net.do. 1 NS a2-66.akam.net.
novartis.net.do. 1 NS a28-67.akam.net.
novartis.net.do. 1 NS a9-65.akam.net.
novartis.net.do. 1 NS a1-254.akam.net.
novartis.net.do. 1 NS a24-65.akam.net.
novartis.net.do. 1 NS a7-64.akam.net.
Authority
The response has no authority records.
Additional
a28-67.akam.net. 1 A 95.100.173.67
a28-67.akam.net. 1 AAAA 2600:1480:d800:0:0:0:0:43
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0