shigakensei.com CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig shigakensei.com. NS

Answer

shigakensei.com. 5 NS ns1.shigakensei.com. shigakensei.com. 5 NS ns2.shigakensei.com.

Authority

The response has no authority records.

Additional

ns1.shigakensei.com. 5 A 119.252.190.171 ns2.shigakensei.com. 5 A 119.252.190.173 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0