Apex domains cannot have CNAME records.
Question and response
Question
dig digital.net.do. NS
Answer
digital.net.do. 5 NS ns-583.awsdns-08.net.
digital.net.do. 5 NS ns-1869.awsdns-41.co.uk.
digital.net.do. 5 NS ns-32.awsdns-04.com.
digital.net.do. 5 NS ns-1299.awsdns-34.org.
Authority
The response has no authority records.
Additional
ns-32.awsdns-04.com. 4 A 205.251.192.32
ns-583.awsdns-08.net. 4 A 205.251.194.71
ns-1299.awsdns-34.org. 4 A 205.251.197.19
ns-1869.awsdns-41.co.uk. 4 A 205.251.199.77
ns-32.awsdns-04.com. 4 AAAA 2600:9000:5300:2000:0:0:0:1
ns-583.awsdns-08.net. 4 AAAA 2600:9000:5302:4700:0:0:0:1
ns-1299.awsdns-34.org. 4 AAAA 2600:9000:5305:1300:0:0:0:1
ns-1869.awsdns-41.co.uk. 4 AAAA 2600:9000:5307:4d00:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0