control-web01.chi02.singlehop.net has no CNAME records.
Question and response
Question
dig control-web01.chi02.singlehop.net. NS
Answer
The response has no answer records.
Authority
chi02.singlehop.net. 3600 SOA ns1.singlehop.net.chi02.singlehop.net. netops.singlehop.com.chi02.singlehop.net. 2009070100 172800 900 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0