Apex domains cannot have CNAME records.
Question and response
Question
dig tfl.com.fj. NS
Answer
tfl.com.fj. 5 NS drua.tfl.com.fj.
tfl.com.fj. 5 NS tabua.tfl.com.fj.
Authority
The response has no authority records.
Additional
drua.tfl.com.fj. 5 A 202.137.183.17
tabua.tfl.com.fj. 5 A 202.137.181.1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0