shop.finaltek.com has no CNAME records.
Question and response
Question
dig shop.finaltek.com. NS
Answer
The response has no answer records.
Authority
finaltek.com. 270 SOA ns.gransy.com. root.gransy.com. 2767534826 86400 900 1209600 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0