mv-gw.Valis.COM has no CNAME records.
Question and response
Question
dig mv-gw.Valis.COM. NS
Answer
The response has no answer records.
Authority
Valis.COM. 9633 SOA Valis.COM. psi.Valis.COM. 2024030601 10800 3600 2492000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0