Apex domains cannot have CNAME records.
Question and response
Question
dig aka-ns.net. NS
Answer
aka-ns.net. 5 NS g-n2-a5.aka-ns.net.
aka-ns.net. 5 NS g-n2-a28.aka-ns.net.
aka-ns.net. 5 NS g-n2-a6.aka-ns.net.
aka-ns.net. 5 NS g-n2-a2.aka-ns.net.
aka-ns.net. 5 NS g-n2-a22.aka-ns.net.
aka-ns.net. 5 NS g-n2-a1.aka-ns.net.
aka-ns.net. 5 NS g-n2-a26.aka-ns.net.
aka-ns.net. 5 NS g-n2-a10.aka-ns.net.
aka-ns.net. 5 NS g-n2-a14.aka-ns.net.
aka-ns.net. 5 NS g-n2-a18.aka-ns.net.
aka-ns.net. 5 NS g-n2-a9.aka-ns.net.
aka-ns.net. 5 NS g-n2-a24.aka-ns.net.
aka-ns.net. 5 NS g-n2-a13.aka-ns.net.
Authority
The response has no authority records.
Additional
g-n2-a1.aka-ns.net. 5 A 193.108.88.128
g-n2-a2.aka-ns.net. 5 A 95.100.174.128
g-n2-a5.aka-ns.net. 5 A 95.100.168.128
g-n2-a6.aka-ns.net. 5 A 23.211.133.128
g-n2-a9.aka-ns.net. 5 A 184.85.248.128
g-n2-a10.aka-ns.net. 5 A 96.7.50.128
g-n2-a13.aka-ns.net. 5 A 2.22.230.128
g-n2-a14.aka-ns.net. 5 A 184.26.161.128
g-n2-a18.aka-ns.net. 5 A 95.101.36.128
g-n2-a22.aka-ns.net. 5 A 23.211.61.128
g-n2-a24.aka-ns.net. 5 A 2.16.130.128
g-n2-a26.aka-ns.net. 5 A 23.74.25.128
g-n2-a28.aka-ns.net. 5 A 95.100.173.128
g-n2-a1.aka-ns.net. 5 AAAA 2600:1403:11:0:0:0:0:80
g-n2-a2.aka-ns.net. 5 AAAA 2600:1480:7000:0:0:0:0:80
g-n2-a5.aka-ns.net. 5 AAAA 2600:1480:b000:0:0:0:0:80
g-n2-a6.aka-ns.net. 5 AAAA 2600:1401:1:0:0:0:0:80
g-n2-a9.aka-ns.net. 5 AAAA 2a02:26f0:117:0:0:0:0:80
g-n2-a10.aka-ns.net. 5 AAAA 2600:1480:d000:0:0:0:0:80
g-n2-a13.aka-ns.net. 5 AAAA 2600:1480:800:0:0:0:0:80
g-n2-a14.aka-ns.net. 5 AAAA 2600:1480:1800:0:0:0:0:80
g-n2-a18.aka-ns.net. 5 AAAA 2600:1480:4800:0:0:0:0:80
g-n2-a22.aka-ns.net. 5 AAAA 2600:1480:7800:0:0:0:0:80
g-n2-a24.aka-ns.net. 5 AAAA 2600:1480:9800:0:0:0:0:80
g-n2-a26.aka-ns.net. 5 AAAA 2600:1480:b800:0:0:0:0:80
g-n2-a28.aka-ns.net. 5 AAAA 2600:1480:d800:0:0:0:0:80
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0