pch.nic.vi has no CNAME records.
Question and response
Question
dig pch.nic.vi. NS
Answer
The response has no answer records.
Authority
nic.vi. 10800 SOA ns1.nic.vi. hostmaster.nic.vi. 2025092101 14400 3600 72000 38400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0