c.nic.vip has no CNAME records.
Question and response
Question
dig c.nic.vip. NS
Answer
The response has no answer records.
Authority
nic.vip. 876 SOA a.nic.vip. admin.tldns.godaddy. 1773027848 1800 300 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0