vol.net.br CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig vol.net.br. NS

Answer

vol.net.br. 5 NS ns1.altcloud.net.br. vol.net.br. 5 NS ns2.altcloud.net.br.

Authority

The response has no authority records.

Additional

ns1.altcloud.net.br. 5 A 187.85.152.30 ns2.altcloud.net.br. 5 A 177.131.112.101 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0