Apex domains cannot have CNAME records.
Question and response
Question
dig nic.care. NS
Answer
nic.care. 5 NS v2n1.nic.care.
nic.care. 5 NS v2n0.nic.care.
nic.care. 5 NS v0n0.nic.care.
nic.care. 5 NS v0n2.nic.care.
nic.care. 5 NS v0n3.nic.care.
nic.care. 5 NS v0n1.nic.care.
Authority
The response has no authority records.
Additional
v0n0.nic.care. 1356 A 65.22.32.5
v0n1.nic.care. 1356 A 65.22.33.5
v0n2.nic.care. 1356 A 65.22.34.5
v0n3.nic.care. 1356 A 161.232.16.5
v2n0.nic.care. 1356 A 65.22.35.5
v2n1.nic.care. 1356 A 161.232.17.5
v0n0.nic.care. 1356 AAAA 2a01:8840:22:0:0:0:0:5
v0n1.nic.care. 1356 AAAA 2a01:8840:23:0:0:0:0:5
v0n2.nic.care. 1356 AAAA 2a01:8840:24:0:0:0:0:5
v0n3.nic.care. 1356 AAAA 2a01:8840:fa:0:0:0:0:5
v2n0.nic.care. 1356 AAAA 2a01:8840:25:0:0:0:0:5
v2n1.nic.care. 1356 AAAA 2a01:8840:fb:0:0:0:0:5
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0