green has no MX records.
Question and response
Question
dig green. MX
Answer
The response has no answer records.
Authority
green. 3600 SOA a0.nic.green. hostmaster.donuts.email. 1771788748 7200 900 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0