mail.webcomcpq.com has no CNAME records.
Question and response
Question
dig mail.webcomcpq.com. NS
Answer
The response has no answer records.
Authority
webcomcpq.com. 10800 SOA pdns1.ultradns.net. awong.calliduscloud.com. 2014121068 86400 86400 86400 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0