ns3.gigenet.com has no CNAME records.
Question and response
Question
dig ns3.gigenet.com. NS
Answer
The response has no answer records.
Authority
gigenet.com. 9006 SOA ns1.gigenet.com. hostmaster.gigenet.com. 2025070706 3600 900 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0