cgs-smtp.wiline.com has no MX records.
Question and response
Question
dig cgs-smtp.wiline.com. MX
Answer
The response has no answer records.
Authority
wiline.com. 300 SOA ns1.wiline.com. hostmaster.wiline.com. 2026030302 10800 3600 1814400 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0