webcom-mail.webcominc.com has no CNAME records.
Question and response
Question
dig webcom-mail.webcominc.com. NS
Answer
The response has no answer records.
Authority
webcominc.com. 1115 SOA pdns1.ultradns.net. awong.calliduscloud.com. 2014122245 86400 86400 86400 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0