ns3.genericreverse.com has no CNAME records.
Question and response
Question
dig ns3.genericreverse.com. NS
Answer
The response has no answer records.
Authority
genericreverse.com. 746 SOA ns1.genericreverse.com. ops.take2hosting.com. 2013060602 10800 3600 604800 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0