mail.mschosting.com has no CNAME records.
Question and response
Question
dig mail.mschosting.com. NS
Answer
The response has no answer records.
Authority
mschosting.com. 426 SOA win-qhh1jedm59n. hostmaster.mschosting.com. 6352 900 600 86400 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0