ns2.premiumdns.zone has no MX records.
Question and response
Question
dig ns2.premiumdns.zone. MX
Answer
The response has no answer records.
Authority
premiumdns.zone. 30 SOA premiumdns.zone. admin.premiumdns.zone. 2023045475 10800 3600 604800 30
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0