Apex domains cannot have CNAME records.
Question and response
Question
dig nic.red. NS
Answer
nic.red. 5 NS c0.nic.red.
nic.red. 5 NS a0.nic.red.
nic.red. 5 NS a2.nic.red.
nic.red. 5 NS b0.nic.red.
Authority
The response has no authority records.
Additional
a0.nic.red. 26300 A 65.22.36.25
a2.nic.red. 26300 A 65.22.39.25
b0.nic.red. 26300 A 65.22.37.25
c0.nic.red. 26300 A 65.22.38.25
a0.nic.red. 26300 AAAA 2a01:8840:26:0:0:0:0:25
a2.nic.red. 26300 AAAA 2a01:8840:29:0:0:0:0:25
b0.nic.red. 26300 AAAA 2a01:8840:27:0:0:0:0:25
c0.nic.red. 26300 AAAA 2a01:8840:28:0:0:0:0:25
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0