newspam2.spamtador.com has no MX records.
Question and response
Question
dig newspam2.spamtador.com. MX
Answer
The response has no answer records.
Authority
spamtador.com. 1800 SOA casey.ns.cloudflare.com. dns.cloudflare.com. 2398538771 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0