shop.finaltek.com has no MX records.
Question and response
Question
dig shop.finaltek.com. MX
Answer
The response has no answer records.
Authority
finaltek.com. 1800 SOA ns.gransy.com. root.gransy.com. 2767534826 86400 900 1209600 1800
shop.finaltek.com. 1800 NSEC www.shop.finaltek.com. A TXT AAAA RRSIG NSEC
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0