ns1.trunkoz.com has no CNAME records.
Question and response
Question
dig ns1.trunkoz.com. NS
Answer
The response has no answer records.
Authority
trunkoz.com. 3339 SOA ns1.trunkoz.com. hostmaster.trunkoz.com. 2463 900 600 86400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0