ns.LAND82.RU has no MX records.
Question and response
Question
dig ns.LAND82.RU. MX
Answer
The response has no answer records.
Authority
land82.ru. 600 SOA ns.land82.ru. hostmaster.land82.ru. 2024081401 3600 600 86400 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0