ns3.cableone.net has no CNAME records.
Question and response
Question
dig ns3.cableone.net. NS
Answer
The response has no answer records.
Authority
cableone.net. 300 SOA ns1.cableone.net. tech.cableone.net. 1900 300 300 300 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0