sambadepaper.com has no MX records.
Question and response
Question
dig sambadepaper.com. MX
Answer
The response has no answer records.
Authority
sambadepaper.com. 1800 SOA carl.ns.cloudflare.com. dns.cloudflare.com. 2397833124 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0