Apex domains cannot have CNAME records.
Question and response
Question
dig ms.modicagroup.com. NS
Answer
ms.modicagroup.com. 4 NS ns-1465.awsdns-55.org.
ms.modicagroup.com. 4 NS ns-1685.awsdns-18.co.uk.
ms.modicagroup.com. 4 NS ns-376.awsdns-47.com.
ms.modicagroup.com. 4 NS ns-907.awsdns-49.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0