em.dom1c.net has no MX records.
Question and response
Question
dig em.dom1c.net. MX
Answer
The response has no answer records.
Authority
dom1c.net. 1800 SOA nina.ns.cloudflare.com. dns.cloudflare.com. 2395592416 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0