sharedmail.jp CNAME DNS records

CNAME Canonical name

Apex domains cannot have CNAME records.

Question and response

Question

dig sharedmail.jp. NS

Answer

sharedmail.jp. 5 NS ns2.dns-server.jp. sharedmail.jp. 5 NS ns4.dns-server.jp. sharedmail.jp. 5 NS ns1.dns-server.jp. sharedmail.jp. 5 NS ns3.dns-server.jp.

Authority

The response has no authority records.

Additional

ns1.dns-server.jp. 5 A 210.239.65.38 ns2.dns-server.jp. 5 A 18.177.45.193 ns3.dns-server.jp. 5 A 210.152.8.223 ns4.dns-server.jp. 5 A 15.168.90.255 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0