Apex domains cannot have CNAME records.
Question and response
Question
dig tmes.trendmicro.com. NS
Answer
tmes.trendmicro.com. 5 NS ns-491.awsdns-61.com.
tmes.trendmicro.com. 5 NS ns-1008.awsdns-62.net.
tmes.trendmicro.com. 5 NS ns-1044.awsdns-02.org.
tmes.trendmicro.com. 5 NS ns-1990.awsdns-56.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0