host2232.hketc.com has no CNAME records.
Question and response
Question
dig host2232.hketc.com. NS
Answer
The response has no answer records.
Authority
hketc.com. 664 SOA host1.cntech.net. webmaster.hketc.com. 2022122001 3600 1800 1209600 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0