ip209.ip-51-210-69.eu has no CNAME records.
Question and response
Question
dig ip209.ip-51-210-69.eu. NS
Answer
The response has no answer records.
Authority
ip-51-210-69.eu. 75 SOA dns16.ovh.net. tech.ovh.net. 2024051000 86400 3600 3600000 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0