Apex domains cannot have CNAME records.
Question and response
Question
dig afoyi.com. NS
Answer
afoyi.com. 4 NS ns1.afoyi.com.
afoyi.com. 4 NS ns5.afoyi.com.
afoyi.com. 4 NS ns2.afoyi.com.
afoyi.com. 4 NS ns3.afoyi.com.
afoyi.com. 4 NS ns4.afoyi.com.
Authority
The response has no authority records.
Additional
ns1.afoyi.com. 4 A 103.127.120.15
ns2.afoyi.com. 4 A 110.232.114.190
ns3.afoyi.com. 4 A 96.126.112.243
ns4.afoyi.com. 4 A 212.111.42.139
ns5.afoyi.com. 4 A 172.104.175.251
ns1.afoyi.com. 4 AAAA 2404:1fc0:100:0:0:0:0:15
ns2.afoyi.com. 4 AAAA 2404:9400:2149:2000:0:0:0:53
ns3.afoyi.com. 4 AAAA 2600:3c00:0:0:f03c:91ff:fe70:b000
ns4.afoyi.com. 4 AAAA 2a01:7e00:0:0:f03c:91ff:fe33:2d8a
ns5.afoyi.com. 4 AAAA 2400:8901:0:0:f03c:91ff:fe0e:5b42
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0