bigguy.gte.net has no CNAME records.
Question and response
Question
dig bigguy.gte.net. NS
Answer
The response has no answer records.
Authority
gte.net. 10800 SOA ns1.verizon.net. dns.verizon.com. 2026012301 86400 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0