Apex domains cannot have CNAME records.
Question and response
Question
dig acwebconnecting.com. NS
Answer
acwebconnecting.com. 4 NS ns102.acwebconnecting.com.
acwebconnecting.com. 4 NS ns101.acwebconnecting.com.
Authority
The response has no authority records.
Additional
ns101.acwebconnecting.com. 4 A 91.208.175.130
ns102.acwebconnecting.com. 4 A 87.255.57.99
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0