mx.veetime.com has no CNAME records.
Question and response
Question
dig mx.veetime.com. NS
Answer
The response has no answer records.
Authority
veetime.com. 10800 SOA veetime.com. root.veetime.com. 2025111401 28800 14400 720000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0