greatuniversal.com has no MX records.
Question and response
Question
dig greatuniversal.com. MX
Answer
The response has no answer records.
Authority
greatuniversal.com. 3600 SOA ns1.atom.com. hostmaster.greatuniversal.com. 2025061703 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0