polyminhduc.com CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig polyminhduc.com. NS

Answer

polyminhduc.com. 1 NS ns2.polyminhduc.com. polyminhduc.com. 1 NS ns1.polyminhduc.com.

Authority

The response has no authority records.

Additional

ns1.polyminhduc.com. 1 A 213.227.153.42 ns2.polyminhduc.com. 1 A 213.227.153.45 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0