Apex domains cannot have CNAME records.
Question and response
Question
dig colloquiestag.com. NS
Answer
colloquiestag.com. 2 NS ns2.pwpadvertising.com.
colloquiestag.com. 2 NS ns1.pwpadvertising.com.
Authority
The response has no authority records.
Additional
ns1.pwpadvertising.com. 2 A 66.181.34.97
ns2.pwpadvertising.com. 2 A 66.181.34.97
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0