NS3.ASNIC.ORG has no MX records.
Question and response
Question
dig NS3.ASNIC.ORG. MX
Answer
The response has no answer records.
Authority
ASNIC.ORG. 600 SOA ns11.domaincontrol.com. dns.jomax.net. 2025112804 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0