prod.appsforte.com has no CNAME records.
Question and response
Question
dig prod.appsforte.com. NS
Answer
The response has no answer records.
Authority
appsforte.com. 31 SOA ns0.dnsmadeeasy.com. dns.dnsmadeeasy.com. 2008011160 43200 3600 1209600 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0