smtip2go.com CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig smtip2go.com. NS

Answer

smtip2go.com. 5 NS ns1.smtip2go.com. smtip2go.com. 5 NS ns2.smtip2go.com.

Authority

The response has no authority records.

Additional

ns1.smtip2go.com. 5 A 45.59.107.78 ns2.smtip2go.com. 5 A 51.161.68.222 . 0 OPT ; payload 1232, xrcode 0, version 0, flags 0