nsp2.hinet.net has no CNAME records.
Question and response
Question
dig nsp2.hinet.net. NS
Answer
The response has no answer records.
Authority
hinet.net. 4150 SOA ans1.hinet.net. hostmaster.hinet.net. 2026030902 300 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0