s8.stella-net.net has no CNAME records.
Question and response
Question
dig s8.stella-net.net. NS
Answer
The response has no answer records.
Authority
stella-net.net. 10800 SOA ns500013.stella-net.net. dns.stella-net.fr. 2022090802 10800 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0