26678.h2.nexus has no MX records.
Question and response
Question
dig 26678.h2.nexus. MX
Answer
The response has no answer records.
Authority
h2.nexus. 1800 SOA amit.ns.cloudflare.com. dns.cloudflare.com. 2397180544 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0