whs11.ndless.net has no MX records.
Question and response
Question
dig whs11.ndless.net. MX
Answer
The response has no answer records.
Authority
ndless.net. 1800 SOA hugh.ns.cloudflare.com. dns.cloudflare.com. 2397013408 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0