fan.uz has no MX records.
Question and response
Question
dig fan.uz. MX
Answer
The response has no answer records.
Authority
fan.uz. 300 SOA ns1.beget.com. hostmaster.beget.com. 1764331679 300 600 86400 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0