Apex domains cannot have CNAME records.
Question and response
Question
dig theglobeanmail.com. NS
Answer
theglobeanmail.com. 5 NS ns-1728.awsdns-24.co.uk.
theglobeanmail.com. 5 NS ns-326.awsdns-40.com.
theglobeanmail.com. 5 NS ns-291.awsdns-36.com.
theglobeanmail.com. 5 NS ns-1596.awsdns-07.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0