smtp.sbaraildigital.com has no MX records.
Question and response
Question
dig smtp.sbaraildigital.com. MX
Answer
The response has no answer records.
Authority
sbaraildigital.com. 1800 SOA danica.ns.cloudflare.com. dns.cloudflare.com. 2394598513 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0