ftp.mysafecity.ru has no MX records.
Question and response
Question
dig ftp.mysafecity.ru. MX
Answer
The response has no answer records.
Authority
mysafecity.ru. 86400 SOA ns1.podolsknet.ru. info.podolsknet.ru. 2026030300 28800 7200 1728000 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0