ns-01.mcnc.org has no CNAME records.
Question and response
Question
dig ns-01.mcnc.org. NS
Answer
The response has no answer records.
Authority
mcnc.org. 8639 SOA ns-01.mcnc.org. hostmaster.ncren.net. 2026022300 14400 3600 604800 14400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0