2.58.56.84.powered.by.rdp.sh has no MX records.
Question and response
Question
dig 2.58.56.84.powered.by.rdp.sh. MX
Answer
The response has no answer records.
Authority
rdp.sh. 1800 SOA kenia.ns.cloudflare.com. dns.cloudflare.com. 2398029695 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0