ns02.intrabit.net has no CNAME records.
Question and response
Question
dig ns02.intrabit.net. NS
Answer
The response has no answer records.
Authority
intrabit.net. 4079 SOA ns01.intrabit.net. domains.intrabit.net. 2026030203 43200 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0