Apex domains cannot have CNAME records.
Question and response
Question
dig astrakloc.com. NS
Answer
astrakloc.com. 5 NS ns1.astrakloc.com.
astrakloc.com. 5 NS ns2.astrakloc.com.
Authority
The response has no authority records.
Additional
ns1.astrakloc.com. 5 A 37.48.71.72
ns2.astrakloc.com. 5 A 212.32.226.17
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0