Apex domains cannot have CNAME records.
Question and response
Question
dig buddyns.com. NS
Answer
buddyns.com. 5 NS i.ns.buddyns.com.
buddyns.com. 5 NS h.ns.buddyns.com.
buddyns.com. 5 NS f.ns.buddyns.com.
buddyns.com. 5 NS uz56xw8h7fw656bpfv84pctjbl9rbzbqrw4rpzdhtvzyltpjdmx0zq.pro.ns.buddyns.com.
buddyns.com. 5 NS uz5dkwpjfvfwb9rh1qj93mtup0gw65s6j7vqqumch0r9gzlu8qxx39.pro.ns.buddyns.com.
Authority
The response has no authority records.
Additional
f.ns.buddyns.com. 5 A 5.223.55.119
h.ns.buddyns.com. 5 A 103.25.56.55
i.ns.buddyns.com. 5 A 216.73.156.203
uz56xw8h7fw656bpfv84pctjbl9rbzbqrw4rpzdhtvzyltpjdmx0zq.pro.ns.buddyns.com. 5 A 37.143.61.179
uz5dkwpjfvfwb9rh1qj93mtup0gw65s6j7vqqumch0r9gzlu8qxx39.pro.ns.buddyns.com. 5 A 192.184.93.99
f.ns.buddyns.com. 5 AAAA 2a01:4ff:2f0:3661:0:0:0:3
h.ns.buddyns.com. 5 AAAA 2406:d500:2:0:0:0:de4f:f105
i.ns.buddyns.com. 5 AAAA 2602:fafd:902:51:0:0:0:a
uz56xw8h7fw656bpfv84pctjbl9rbzbqrw4rpzdhtvzyltpjdmx0zq.pro.ns.buddyns.com. 5 AAAA 2a01:a500:2766:0:0:0:5c3f:d10b
uz5dkwpjfvfwb9rh1qj93mtup0gw65s6j7vqqumch0r9gzlu8qxx39.pro.ns.buddyns.com. 5 AAAA 2604:180:1:92a:0:0:0:3
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0