mail.ci-commerce.com has no MX records.
Question and response
Question
dig mail.ci-commerce.com. MX
Answer
The response has no answer records.
Authority
ci-commerce.com. 60 SOA ns1.wpci-hosting.de. hostmaster.wpci.de. 2026010901 28800 7200 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0