bsi.com.br CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig bsi.com.br. NS

Answer

bsi.com.br. 5 NS ns1.bsi.com.br. bsi.com.br. 5 NS ns2.bsi.com.br.

Authority

The response has no authority records.

Additional

ns1.bsi.com.br. 5 A 162.214.64.109 ns2.bsi.com.br. 5 A 162.214.64.115 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0