224.o74.net has no CNAME records.
Question and response
Question
dig 224.o74.net. NS
Answer
The response has no answer records.
Authority
o74.net. 261 SOA dns14.ovh.net. tech.ovh.net. 2026021001 86400 3600 3600000 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0