support2.expedient.com has no CNAME records.
Question and response
Question
dig support2.expedient.com. NS
Answer
The response has no answer records.
Authority
expedient.com. 3465 SOA auth1.dns.expedient.com. hostmaster.expedient.com. 2013111305 3600 900 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0