ns4.hosting24.com has no CNAME records.
Question and response
Question
dig ns4.hosting24.com. NS
Answer
The response has no answer records.
Authority
hosting24.com. 173 SOA dns1.hostinger.com. dns.cloudflare.com. 2397605920 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0