Apex domains cannot have CNAME records.
Question and response
Question
dig glansemanagement.com. NS
Answer
glansemanagement.com. 5 NS ns1.glansemanagement.com.
glansemanagement.com. 5 NS ns2.glansemanagement.com.
Authority
The response has no authority records.
Additional
ns1.glansemanagement.com. 5 A 209.212.157.15
ns2.glansemanagement.com. 5 A 5.196.99.220
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0