vps.loveseitan.com has no MX records.
Question and response
Question
dig vps.loveseitan.com. MX
Answer
The response has no answer records.
Authority
loveseitan.com. 1800 SOA asa.ns.cloudflare.com. dns.cloudflare.com. 2398323964 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0