tempdevsmtp.sabahosted.com has no CNAME records.
Question and response
Question
dig tempdevsmtp.sabahosted.com. NS
Answer
The response has no answer records.
Authority
sabahosted.com. 1658 SOA ns1.p05.dynect.net. hostmaster.centra.com. 2233 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0