ns.mbi.km.ua has no MX records.
Question and response
Question
dig ns.mbi.km.ua. MX
Answer
The response has no answer records.
Authority
mbi.km.ua. 3600 SOA ns.mbi.km.ua. vovk.km.ua. 2023011082 18000 1800 1209600 604800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0