ssnc.cloud has no MX records.
Question and response
Question
dig ssnc.cloud. MX
Answer
The response has no answer records.
Authority
ssnc.cloud. 1800 SOA inetdns1.ssnc.cloud. dns.cloudflare.com. 2397274566 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0