Apex domains cannot have CNAME records.
Question and response
Question
dig dysfunctionalpottery.com. NS
Answer
dysfunctionalpottery.com. 5 NS ns2.dysfunctionalpottery.com.
dysfunctionalpottery.com. 5 NS ns1.dysfunctionalpottery.com.
Authority
The response has no authority records.
Additional
ns1.dysfunctionalpottery.com. 5 A 86.111.190.247
ns2.dysfunctionalpottery.com. 5 A 51.68.148.231
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0