localhost.n0x.net has no CNAME records.
Question and response
Question
dig localhost.n0x.net. NS
Answer
The response has no answer records.
Authority
n0x.net. 3332 SOA impala.n0x.net. matt.n0x.net. 1637964724 3600 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0