rackhosting.com CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig rackhosting.com. NS

Answer

rackhosting.com. 3 NS dns1.rackhosting.com. rackhosting.com. 3 NS dns2.rackhosting.com. rackhosting.com. 3 NS dns3.rackhosting.com.

Authority

The response has no authority records.

Additional

dns1.rackhosting.com. 3 A 77.247.69.212 dns2.rackhosting.com. 3 A 45.32.187.211 dns3.rackhosting.com. 3 A 77.247.69.213 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0