ns.eli.net has no CNAME records.
Question and response
Question
dig ns.eli.net. NS
Answer
The response has no answer records.
Authority
eli.net. 7113 SOA ns.integraonline.com. hostmaster.integraonline.com. 2008081201 2800 7200 604800 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0