Apex domains cannot have CNAME records.
Question and response
Question
dig intrabit.services. NS
Answer
intrabit.services. 5 NS ns03.intrabit.net.
intrabit.services. 5 NS ns04.intrabit.net.
intrabit.services. 5 NS ns01.intrabit.net.
intrabit.services. 5 NS ns02.intrabit.net.
Authority
The response has no authority records.
Additional
ns01.intrabit.net. 3 A 62.116.159.4
ns02.intrabit.net. 3 A 217.160.113.37
ns04.intrabit.net. 3 A 74.208.254.4
ns01.intrabit.net. 3 AAAA 2001:4178:3:a357:62:116:159:4
ns02.intrabit.net. 3 AAAA 2001:8d8:580:401:217:160:113:37
ns03.intrabit.net. 3 AAAA 2a01:130:2000:118:89:146:248:4
ns04.intrabit.net. 3 AAAA 2607:f1c0:849:fe00:74:208:254:4
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0