dns.onetwistedpair.com has no MX records.
Question and response
Question
dig dns.onetwistedpair.com. MX
Answer
The response has no answer records.
Authority
onetwistedpair.com. 600 SOA ns77.domaincontrol.com. dns.jomax.net. 2026021117 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0