Apex domains cannot have CNAME records.
Question and response
Question
dig ptj-intl.com. NS
Answer
ptj-intl.com. 5 NS ns1.ptj-intl.com.
ptj-intl.com. 5 NS ns2.ptj-intl.com.
Authority
The response has no authority records.
Additional
ns1.ptj-intl.com. 5 A 216.245.220.222
ns2.ptj-intl.com. 5 A 69.162.72.76
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0