support1.expedient.com has no CNAME records.
Question and response
Question
dig support1.expedient.com. NS
Answer
The response has no answer records.
Authority
expedient.com. 2269 SOA auth1.dns.expedient.com. hostmaster.expedient.com. 2013111305 3600 900 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0