ucloudbiz.com CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig ucloudbiz.com. NS

Answer

ucloudbiz.com. 5 NS ns2.kornet.net. ucloudbiz.com. 5 NS ns.kornet.net.

Authority

The response has no authority records.

Additional

ns.kornet.net. 5 A 211.216.50.150 ns2.kornet.net. 5 A 211.216.50.160 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0