Apex domains cannot have CNAME records.
Question and response
Question
dig newttidc.com. NS
Answer
newttidc.com. 5 NS ns1.hkbnes.net.hk.
newttidc.com. 5 NS ns2.hkbnes.net.hk.
Authority
The response has no authority records.
Additional
ns1.hkbnes.net.hk. 5 A 175.45.33.250
ns2.hkbnes.net.hk. 5 A 59.152.248.250
ns1.hkbnes.net.hk. 5 AAAA 2407:8000:15:17:175:45:33:250
ns2.hkbnes.net.hk. 5 AAAA 2407:8000:15:17:59:152:248:250
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0