Apex domains cannot have CNAME records.
Question and response
Question
dig dorothypearlman.com. NS
Answer
dorothypearlman.com. 5 NS ns-1959.awsdns-52.co.uk.
dorothypearlman.com. 5 NS ns-30.awsdns-03.com.
dorothypearlman.com. 5 NS ns-799.awsdns-35.net.
dorothypearlman.com. 5 NS ns-1749.awsdns-26.co.uk.
Authority
The response has no authority records.
Additional
ns-1749.awsdns-26.co.uk. 4 A 205.251.198.213
ns-1749.awsdns-26.co.uk. 4 AAAA 2600:9000:5306:d500:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0