Apex domains cannot have CNAME records.
Question and response
Question
dig aptalaska.net. NS
Answer
aptalaska.net. 5 NS ns2.aptalaska.net.
aptalaska.net. 5 NS ns3.aptalaska.net.
aptalaska.net. 5 NS ns1.aptalaska.net.
Authority
The response has no authority records.
Additional
ns1.aptalaska.net. 5 A 64.186.96.3
ns2.aptalaska.net. 5 A 64.186.96.6
ns3.aptalaska.net. 5 A 64.186.99.11
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0